1 2000-09-24 Richard Henderson <rth@cygnus.com>
3 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5 * sibcall.c (skip_pic_restore): New.
6 (identify_call_return_value): Use it.
8 2000-09-24 Mark Mitchell <mark@codesourcery.com>
10 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
11 functions. Generalize to handle both C and C++.
12 * Makefile.in (c-tree.info): New target.
13 (info): Add c-tree.info.
15 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17 * expr.c (store_field): If BITSIZE is negative, use size of type.
18 (expand_expr, case COMPONENT_EXPR): Likewise.
20 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
22 * cpplex.c: Update TODO comment.
23 * cpplib.c (do_error, do_warning): Merge common code of
24 do_error and do_warning into do_diagnostic. Use it.
25 (do_diagnostic): New function.
26 * cpplib.h: Fix comment typo.
28 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
30 * c-common.c (check_format_info): Warn for a wide character string
31 used as a non-wide format argument.
33 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
35 * builtins.def (BUILT_IN_LLABS): Add.
36 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
37 * c-common.c (c_common_nodes_builtins): Create builtin functions
38 __builtin_llabs, and plain llabs unless no_nonansi_builtins
40 (expand_tree_builtin): Handle BUILT_IN_LLABS.
42 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
44 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
45 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
46 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
47 _cpp_free_toklist): No need to worry about extra dummy token
48 at the start of token lists any more.
49 (trigraph_ok): Only warn outside comments.
50 (skip_block_comment): Set and clear lexing_comment.
51 (skip_line_comment): Take a cpp_reader not cpp_buffer.
52 Set and clear lexing_comment.
53 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
54 (check_long_token): Delete.
55 (lex_percent, lex_dot): New subroutines of lex_token to
56 handle lexing of '.' and '%' without lookback.
57 (lex_token): Use lex_dot and lex_percent.
58 (lex_line): Don't check for LIST_OFFSET.
59 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
60 * cpplib.c (_cpp_parse_assertion): Similarly.
61 (cpp_push_buffer): Initialize extra_char.
62 * cpplib.h (LIST_OFFSET): Delete.
63 (struct cpp_buffer): New member extra_char.
64 (struct lexer_state): New members lexing_comment and seen_dot.
66 2000-09-23 Jason Merrill <jason@redhat.com>
68 * config/rs6000/x-aix41 (CLIB): Define here.
69 * config/rs6000/t-aix43: Not here.
70 * config/rs6000/t-aix41: Or here. Remove.
71 * configure.in: Don't use it.
73 2000-09-22 Jason Merrill <jason@redhat.com>
75 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
76 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
77 * config.in: Regenerate.
79 * configure.in: Fix checks for assembler features when using a
80 one-tree assembler that has not yet been built.
81 Fix --disable-threads.
83 2000-09-19 Geoff Keating <geoffk@cygnus.com>
85 * stmt.c (expand_asm_operands): Allow # in constraints.
87 2000-09-22 Jason Merrill <jason@redhat.com>
89 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
91 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
94 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
95 Mark Mitchell <mark@codesourcery.com>
97 * toplev.c (warn_disabled_optimization): Declare new warning flag.
98 * flags.h (warn_disabled_optimization): Add it here.
99 * gcse.c (gcse_main): Add warning when disabled.
100 * invoke.texi: Document -Wdisabled-optimization.
102 2000-09-21 Jason Merrill <jason@redhat.com>
104 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
106 * dwarf2out.c (tree_add_const_value_attribute): New fn.
107 (gen_variable_die): Call it for non-definitions.
109 * dwarf2out.c (die_struct): Add die_mark field.
110 (mark_dies, unmark_dies): New fns.
111 (clear_die_sizes): Remove.
112 (print_die): Check die_symbol rather than die_offset.
113 (build_abbrev_table, output_pubnames, output_aranges): Check
114 die_mark rather than die_offset.
115 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
118 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
120 * cppfiles.c (lookup_include_file): Rename to open_file.
121 Always create a splay tree value, even on syscall failures.
122 Negative entries indicated by fd == -2.
123 Re-open files closed in the meantime.
124 (_cpp_fake_include): Create a negative splay tree entry.
125 (find_include_file, cpp_read_file): Update for function name
127 * gcc.gd/cpp/mi4.c: Testcase.
129 2000-09-21 Nick Clifton <nickc@redhat.com>
131 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
134 * config/mcore/mcore.c: Fix compile time warnings.
135 * config/mcore/mcore-protos.h: Fix compile time warnings.
137 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
139 * configure.in: Correct test of gcc_cv_glibc.
140 * configure: Rebuilt.
141 * config.in: Rebuilt.
143 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
145 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
146 (expand_builtin): Handle BUILT_IN_FWRITE.
148 * builtins.def (BUILT_IN_FWRITE): New entry.
150 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
152 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
154 * gcc.c (modify_target): New variable and struct.
155 (process_command): Handle MODIFY_TARGET_NAME.
156 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
157 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
159 * c-decl.c (finish_decl): Add else's to avoid referencing
160 TYPE_DOMAIN of an ERROR_MARK.
162 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
164 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
167 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
169 * config/avr/avr.md (neghi2): Add alternative for input and output
170 operands in different registers, as in negsi2.
171 (*negsi2): Remove '*' from the name. Use "movw" if available.
173 2000-09-19 Jim Wilson <wilson@cygnus.com>
175 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
176 HAVE_GAS_HIDDEN macro.
178 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
180 * cpplex.c (lex_line): Drop the EOF token for unknown
181 directives in assembler.
183 2000-09-19 David Edelsohn <edelsohn@gnu.org>
185 * configure.in: Allow enable_threads_flag value of "aix". Define
186 thread_file as "aix" for AIX 4.3 and above.
187 * configure: Regenerated.
189 * gthr-aix.h: New file.
191 * rs6000/t-aix43: Replace soft-float multilib with pthread.
192 Remove 403 processor multilib match. Fix rios2 processor multilib
195 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
196 to return to appropriate csect.
198 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
200 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
202 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
203 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
206 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
209 * c-common.c (init_function_format_info): Handle __builtin_printf.
210 Set `check_function_format_ptr'.
211 (c_common_nodes_and_builtins): Set `puts_ftype' and
212 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
213 __builtin_printf and printf.
215 * tree.c, tree.h (check_function_format_ptr): Declare.
217 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
219 * cppfiles.c (read_include_file): Take no special action for
222 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
224 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
225 rather than that of branch.
226 (shorten_branches): Don't increment insn_current_address twice.
228 Undo most of the Wed Jan 27 23:39:53 1999 patch:
229 * loop.h (struct induction): Delete members derived, ix and last_use.
230 (struct loop_ivs): Delete members first_increment_giv and
232 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
233 recombine_givs): Delete functions.
234 (find_and_verify_loops): Don't initialize cont_dominator.
235 (strength_reduce): Lose code to try to find bivs that can be
236 expressed as givs of another biv, and to convert biv increments
238 Lose loop_scan_start variable, always use loop->scan_start.
239 Don't call recombine_givs. Don't handle derived givs.
240 (record_giv): Don't initialize derived and last_use fields.
241 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
243 * unroll.c (derived_regs): Delete static variable.
244 (unroll_loop): Don't initialize it.
245 (copy_loop_body): Lose code to handle derived givs.
246 (find_splittable_givs): Don't check for givs made from biv
248 Don't set derived_regs.
250 Fix misapplied earlier patch:
251 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
253 (floatsisf2): Generate floatsisf_ie by default.
254 (floatsisf_i4): Conditional on TARGET_SH4.
256 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
257 predicate for the expanders.
259 2000-09-19 Richard Henderson <rth@cygnus.com>
261 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
262 in addition to pentium and pentiumpro symbols.
263 (CPP_CPU_DEFAULT_SPEC): Likewise.
265 * c-typeck.c (c_expand_asm_operands): Restore the output tree
268 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
269 if the tree has side effects.
270 (warn_if_unused_value): Do not warn about void constructs.
272 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
274 * unroll.c (copy_loop_body): Update LABEL_NUSES before
277 2000-09-18 Geoff Keating <geoffk@cygnus.com>
279 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
282 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * Makefile.in (c-common.o): Depend on diagnostic.h.
286 * c-common.c: Include diagnostic.h.
288 (status_warning): New function.
289 (check_format_info, maybe_read_dollar_number, check_format_types,
290 finish_dollar_format_checking, check_function_format): Accept a
291 `status' parameter. All callers changed.
293 * c-common.h (check_function_format): Accept a `status' parameter.
295 * c-typeck.c: Update call to `check_function_format'.
297 2000-09-18 Richard Henderson <rth@cygnus.com>
299 * c-decl.c (c_expand_body): Call mark_varargs before
300 expand_function_start.
302 2000-09-18 Geoff Keating <geoffk@cygnus.com>
304 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
305 * config/rs6000/eabi-ci.asm: Likewise.
307 2000-09-18 Richard Henderson <rth@cygnus.com>
309 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
312 2000-09-18 Jim Wilson <wilson@cygnus.com>
314 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
315 before passing it to fold_rtx_mult_add.
317 * unroll.c (final_giv_value): Pass increment through
318 extend_value_for_giv before passing it to emit_iv_add_mult.
320 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
321 paradoxical subreg, then directly substitute the replacement and
324 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
326 * cpp.texi: Update documentation, including some clarifications,
327 the treatment of various newline combinations, and space between
328 backslash and newline.
330 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
332 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
333 Replace ASM_OUTPUT_LABELREF with assemble_name.
335 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
337 * sh.c (addsubcosts): CONST is not cheap.
338 (find_barrier): For Sh1, take alignment after jumps into account.
340 2000-09-15 Andrew Haley <aph@redhat.com>
342 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
343 remove all SETs of SUBREGs of hard registers.
344 * function.c (purge_hard_subreg_sets): New function.
345 (purge_single_hard_subreg_set): New function.
346 * rtl.h: (purge_hard_subreg_sets): New function.
348 2000-09-18 Richard Henderson <rth@cygnus.com>
350 * config/ia64/ia64-protos.h: Update.
351 * config/ia64/ia64.c (signed_inequality_operator): New.
352 (ia64_expand_compare): New.
353 (ia64_register_move_cost): Handle PR_REGS moves.
354 (ia64_secondary_reload_class): Require a GR when moving to a PR.
355 (struct reg_write_state): Add written_by_and/or.
356 (struct reg_flags): Add is_and/or.
357 (rws_update): Set them.
358 (rws_access_regno): Test them to allow parallel comparisons.
359 (rtx_needs_barrier): Recognize parallel comparisons.
360 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
361 Call recog_memoized; ignore pred_rel_mutex.
362 (emit_predicate_relation_info): Don't call find_basic_blocks here.
363 (ia64_reorg): Do it here instead.
364 * config/ia64/ia64.h: s/CCmode/BImode/g
365 (MODES_TIEABLE_P): Don't tie BImode.
366 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
367 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
368 (RTX_COSTS): Make multiply 4 insns.
369 (MEMORY_MOVE_COST): New.
370 (PREDICATE_CODES): Update.
371 * config/ia64/ia64.md: s/CCmode/BImode/g
372 (movcci, movbi): New.
373 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
374 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
375 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
376 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
377 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
378 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
379 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
380 (mulsi, muldi): Use xmpy not xma.
382 (movcc, movcc_internal): Remove.
383 (branch expanders): Use ia64_expand_compare.
384 (setcc expanders): Likewise.
385 (cmov insns): Use move_operand and ia64_move_ok.
386 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
387 scheduler from moving it past a use.
388 * config/ia64/build.hacks: Remove.
390 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
392 * cpphash.h (HASHSTEP): Take character rather than pointer
394 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
396 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
398 * cpplex.c (auto_expand_name_space, trigraph_replace,
399 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
400 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
401 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
402 KNOWN_DIRECTIVE): Delete.
404 (handle_newline, check_long_token, skip_escaped_newlines,
405 unterminated): New functions.
406 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
408 (parse_identifier): Was parse_name, new implementation.
409 (skip_line_comment, skip_block_comment, skip_whitespace,
410 parse_number, parse_string, trigraph_ok, save_comment,
411 adjust_column, _cpp_get_line): New implementations.
413 (lex_token): New function. Lexes a token at a time, looking
414 forwards. Contains most of the guts of the old lex_line.
415 (lex_line): New implementation, using lex_token to obtain
417 (cpp_scan_buffer): Use the token's line, not the list's line.
419 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
421 (do_assert): Don't bother setting the answer's list's line.
422 (cpp_push_buffer): Initialise new pfile and read_ahead members
423 of struct cpp_buffer.
425 * cpplib.h (cppchar_t): New typedef.
426 (struct cpp_buffer): read_ahead, pfile and col_adjust are
428 (struct lexer_state): New structure that determines the state
429 and behaviour of the lexer.
430 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
431 (struct cpp_reader): New member "state". Rename
432 multiline_string_line and multiline_string_column. Delete
433 col_adjust, in_lex_line members.
434 (CPP_BUF_COLUMN): Update.
436 2000-09-18 Richard Henderson <rth@cygnus.com>
438 * combine.c (simplify_comparison): Shift a NOT out of a single
441 * combine.c (if_then_else_cond): Canonicalize BImode true to
443 * explow.c (trunc_int_for_mode): Likewise.
445 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
446 the NOT for De Morgan's rule.
447 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
448 of a comparison to the reverse comparison.
450 * combine.c (try_combine): Allow split to create a single insn.
452 * machmode.def: Add BImode. Add a column for bitsize.
453 * machmode.h (DEF_MACHMODE): Adjust for extra column.
454 (GET_MODE_BITSIZE): Use it.
455 * rtl.c (DEF_MACHMODE): Adjust for extra column.
457 (mode_mask_array): Use bitsize.
458 * combine.c (combine_simplify_rtx): Require inner and outer
459 modes to match on nonzero_bits optimizations.
461 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
463 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
464 its entry in spill_reg_store.
465 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
466 * sh.c (reg_no_subreg_operand): New function.
467 * sh-protos.h (reg_no_subreg_operand): Declare it.
468 * sh.h (PREDICATE_CODES): Add it.
469 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
470 input operand that needs to be in fpul.
471 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
472 * sh.c (find_barrier): Take into account that machine_dependent_reorg
475 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
477 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
479 (sh_expand_epilogue): Take the PIC register into account when
480 computing the frame size.
482 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
483 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
484 LABEL_REFs with a PIC-safe unspec.
486 2000-09-18 Will Cohen <wcohen@redhat.com>
488 * extend.texi (Zero Length): State that static initializers for
489 zero-length arrays are not allowed.
491 * c-typeck.c (process_init_element): Flag initializers for zero
494 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
495 exactly HOST_BITS_PERWIDE_INT.
497 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
499 * c-common.c (check_format_info): Properly save the argument
500 number and parameter for $ operand number formats in case width
501 and precision arguments are also used. Allow printf width and
502 precision arguments to have operand numbers even if none was
503 specified for the main format, since this is OK for %*.*m. Only
504 object to missing $ operand number if the format used requires an
507 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
509 * c-common.c (format_char_info): Add 'W' flag to comment.
510 (print_char_table, scan_char_table): Use it.
511 (check_format_info): Use the 'W' flag to determine whether a
512 format argument is written into.
514 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
516 * c-common.c (check_format_types): Reorganise and clean up,
517 checking earlier for ERROR_MARKs and making cur_type into its
518 TYPE_MAIN_VARIANT where convenient.
520 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
522 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
524 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
526 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
528 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
529 * i386.c (struct builtin_description): New.
530 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
531 (mmx_reg_operand): Declare MODE arg as unused.
532 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
533 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
534 ix86_expand_binop_builtin, ix86_expand_store_builtin,
535 ix86_init_builtins, ix86_expand_builtin): New functions.
536 * i386.h (ix86_builtins): New enumeration.
537 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
538 * i386.md (attr length_immediate): 0 for mmx/sse types.
539 (attr prefix_0f): 1 for mmx/sse types.
540 (setcc_2): Remove "*" so we get gen_setcc_2.
541 (emms): Account for changed register numbering. Set "memory" attr
543 (sfence): Set "memory" attr to unknown.
545 2000-09-18 Andreas Jaeger <aj@suse.de>
547 * configure.in: Define _GNU_SOURCE only when using the GNU C
549 * configure: Regenerated.
550 * config.in: Regenerated.
552 2000-09-17 Mark Mitchell <mark@codesourcery.com>
554 * cppinit.c (cpp_init): Don't use ANSI prototypes.
555 * flow.c (flow_dump_loop): Likewise.
556 (flow_loops_dump): Likewise.
558 * c-typeck.c (c_start_case): Fix typo.
560 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
562 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
563 to int for plain complex which defaults to complex double. Do
564 warn about defaulting to complex double if pedantic. Warn about
565 complex integer types if pedantic. Warn about complex types if
566 pedantic and not in C99 mode.
567 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
568 for complex conjugation.
570 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
572 * contrib.texi: Update my entry.
574 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
576 * config/avr/avr.md (mcu_enhanced): New attribute.
577 (mcu_mega): Likewise.
578 (extendhisi2): Use mcu_enhanced.
579 (zero_extendhisi2): Likewise.
580 (call_insn): Use mcu_enhanced and mcu_mega.
581 (call_value_insn): Likewise.
582 (*sbrx_branch): Use mcu_mega.
583 (*sbrx_and_branchsi): Likewise.
584 (*sbrx_and_branchhi): Likewise.
585 (*tablejump_lib): Likewise.
587 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
589 * alias.c (true_dependence): Allow non-unchanging read to conflict
590 with unchanging write.
592 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
593 (store_constructor): Pass alias_set to it.
595 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
596 TYPE_MAIN_VARIANT of ERROR_MARK.
597 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
599 * simplify-rtx.c (simplify_unary_operation): Add cases
600 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
602 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
604 * expr.h (emit_library_call, emit_library_call_value): Delete
606 * rtl.h (enum libcall_type): New.
607 (emit_library_call, emit_library_call_value): Change fn_type arg to
608 be of type enum libcall_type.
609 * calls.c: Likewise for the function definitions. Several callers
610 throughout changed to use the new enumeration appropriately.
611 (emit_library_call_value_1): Likewise. Put back code to make libcall
612 blocks of equal form, but only use it for the two new higher
615 2000-09-16 Mark Mitchell <mark@codesourcery.com>
617 Convert the C front-end to use function-at-a-time mode.
618 * c-common.h: Include splay-tree.h.
619 (C_DECLARED_LABEL_FLAG): New macro.
620 (struct language_function): Add x_scope_stmt_stack and
621 x_function_name_declared_p.
622 (RECHAIN_STMTS): Move definition.
623 (lang_statment_code_p): Likewise.
624 (lang_expand_stmt): Likewise.
625 (lang_expand_decl_stmt): New variable.
626 (lang_expand_function_end): Likewise.
627 (current_scope_stmt_stack): New function.
628 (add_decl_stmt): Likewise.
629 (add_scope_stmt): Likewise.
630 (mark_stmt_tree): Likewise.
631 (struct c_lang_decl): New structure.
632 (DECL_SAVED_TREE): Define.
633 (c_mark_lang_decl): New function.
634 (c_expand_start_cond): Change prototype.
635 (c_finish_then): New function.
636 (c_finish_else): Likewise.
637 (current_function_name_declared): Remove.
638 (set_current_function_name_declared): Likewise.
639 (mark_c_language_function): Declare.
640 (case_compare): Likewise.
641 (c_add_case_label): Likewise.
642 (c_expand_expr): Likewise.
643 (c_safe_from_p): Likewise.
644 * c-common.c (lang_expand_function_end): New variable.
645 (struct if_elt): Add if_stmt.
646 (c_expand_start_cond): Add the if-statement to the statement-tree,
647 rather than generating RTL.
648 (c_finish_then): New function.
649 (c_expand_start_else): Don't generate RTL.
650 (c_finish_else): New function.
651 (c_expand_expr_stmt): Don't generate RTL.
652 (statement_code_p): Add SCOPE_STMT.
653 (case_compare): New function.
654 (c_add_case_label): Likewise.
655 (mark_stmt_tree): Likewise.
656 (c_mark_lang_decl): Likewise.
657 (mark_c_language_function): Likewise.
658 (c_expand_expr): Likewise.
659 (c_safe_from_p): Likewise.
660 * c-decl.c (c_stmt_tree): New variable
661 (c_scope_stmt_stack): Likewise.
662 (c_function_name_declared_p): Likewise.
663 (lang_expand_expr_stmt): Remove.
664 (poplevel): Don't call output_inline_function for nested
666 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
668 (redeclaration_error_message): Change means of computing whether
669 or not a function is nested.
670 (lookup_label): Don't call label_rtx.
671 (init_decl_processing): Add more GC roots.
672 (start_decl): Add DECL_STMTs to the statement-tree, rather than
673 calling rest_of_decl_compilation.
674 (finish_decl): Don't call expand_decl.
675 (store_parm_decls): Begin the statement-tree, but don't generate
677 (finish_function): Tie off the statement-tree. Call c_expand_body
679 (c_expand_body): New function.
680 (push_c_function_context): Save more information.
681 (pop_c_function_contxt): Likewise.
682 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
683 (lang_mark_tree): Mark it.
684 (current_stmt_tree): Adjust.
685 (current_scope_stmt_stack): New function.
687 (set_current_name_declared): Likewise.
688 (c_begin_compound_stmt): Define.
689 (c_expand_decl_stmt): Likewise.
690 * c-lang.c: Include rtl.h and expr.h.
691 (lang_init): Set more language-specific hooks.
692 * c-lex.c: Include expr.h.
693 * c-parse.in: Changes throughout to add statements to the
694 statement-tree, rather than generating RTL after every statement.
695 * c-semantics.c (lang_expand_decl_stmt): Define.
696 (add_decl_stmt): New function.
697 (add_scope_stmt): Likewise.
698 (finish_stmt_tree): Tweak.
699 (genrtl_expr_stmt): Likewise.
700 (genrtl_decl_stmt): Handle local labels, and call
701 lang_expand_decl_stmt if required.
702 (genrtl_for_stmt): Fix line-number handling.
703 (genrtl_case_label): Handle cleanups.
704 (genrtl_asm_stmt): Don't call combine_strings.
705 (genrtl_compound_stmt): Simplify.
706 (expand_stmt): Handle SCOPE_STMTs.
707 * c-tree.h (struct lang_decl): New structure.
708 (C_DECLARED_LABEL_FLAG): Remove.
709 (c_begin_compound_stmt): Declare.
710 (c_expand_decl_stmt): Likewise.
711 (c_expand_start_case): Rename to c_start_case.
712 (c_finish_case): New function.
713 * c-typeck.c (start_init): Tweak setting of
714 constructor_incremental.
715 (c_expand_asm_operands): Tweak error-handling. Add to the
717 (c_expand_return): Add to the statement-tree.
718 (c_expand_start_case): Rename to ...
719 (c_start_case): ... this.
720 (struct c_switch): New type.
721 (switch_stack): New variable.
723 (c_finish_case): New function.
724 * dependence.c: Include expr.h.
725 (enum dependence_type): Change spelling of enumerals.
726 (check_node_dependence): Adjust.
727 * expr.h (lang_safe_from_p): Declare.
728 (safe_from_p): Likewise.
729 * expr.c (lang_safe_from_p): New variable.
730 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
731 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
732 * toplev.c (rest_of_decl_compilation): Robustify.
733 * tree.c (contains_placeholder_p): Likewise.
734 * Makefile.in: Update dependencies.
735 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
736 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
737 (objc_expand_function_end): New function.
738 (finish_method_def): Use it.
739 (init_objc): Initialize more language-specific hooks.
740 * objc/Make-lang.in: Update dependencies.
742 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
744 * configure.in: Define macros that affect features before
745 testing for features. Don't define _XOPEN_SOURCE.
746 * configure: Regenerated.
747 * config.in: Regenerated.
749 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
751 * rtlanal.c (rtx_varies_p): Volatile asms vary.
752 (rtx_unstable_p): Restructure code. Volatile asms
755 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
757 * function.h (no_debugging_symbols): New field.
758 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
759 Initialize no_debugging_symbols.
760 (output_inline_function): Save and restore write_symbols and set from
761 no_debugging_symbols.
762 * toplev.c (rest_of_compilation): Call save_for_inline.
763 * tree.h: Update comment.
765 * stor-layout.c (place_field): Don't do anything if field or
766 its type are ERROR_MARK.
768 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
770 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
771 (read_include_file): Ensure inc->mmaped is initialized.
773 2000-09-16 Richard Henderson <rth@cygnus.com>
775 * cppiles.c (purge_cache): Use PTR not caddr_t.
777 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
779 * gcc.c: In description for %{<S}, say the option removed is -S.
780 * invoke.texi (Spec Files): Ditto.
782 2000-09-16 Andreas Jaeger <aj@suse.de>
784 * configure.in: Always define _GNU_SOURCE to make interfaces
785 visible that were hidden by only defining _GNU_SOURCE.
786 * configure: Regenerated.
788 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
790 * cpplex.c (push_macro_context): Set an argument's level after
791 calling parse_args. We could loop infinitely otherwise.
793 2000-09-15 Tom Tromey <tromey@cygnus.com>
795 * configure, config.in: Rebuilt.
796 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
798 2000-09-15 Greg McGary <greg@mcgary.org>
800 * cppmacro.c (check_trad_stringification): Check token
801 text pointers against limit before dereferencing.
803 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
805 * c-common.c (format_wanted_type): New structure.
806 (check_format_types): New function.
807 (check_format_info): Pass all checking of types of format
808 arguments, including width and precision arguments, to this new
811 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
815 2000-09-15 Jakub Jelinek <jakub@redhat.com>
817 * config/alpha/alpha.c (override_options): ev6 cache latencies
818 from Richard Henderson. Don't allow -mmemory-latency=L0.
820 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
821 (TARGET_OPTIONS): Add tune=.
822 (alpha_tune_string): Declare.
823 * config/alpha/alpha.c (override_options): Add cpu_table.
824 Use alpha_cpu_string first to set both alpha_cpu and target_flags
825 and then alpha_tune_string to set alpha_cpu only.
826 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
827 * config/alpha/elf.h (ASM_FILE_START): Likewise.
828 * config/alpha/osf.h (ASM_FILE_START): Likewise.
829 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
831 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
833 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
835 (ix86_comparison_operator, ix86_cc_mode): Declare
836 * i386.h (CCGC, CCGCO): New modes.
837 (SELECT_CC_MODE): Move offline to ....
838 * i386.c (ix86_cc_mode): .... here; use new modes.
839 (ix86_comparison_operator): New.
840 (fcmov_comparison_operator): Ensure proper mode.
841 (put_condition_mode): More sanity checking.
842 (ix86_match_ccmode): Handle new modes.
843 (ix86_expand_fp_compare): GEU requires CCmode.
844 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
846 * i386.md (cmp?i_ccz_1): Remove
847 (cmp?i_ccno_1): Use ix86_match_ccmode.
848 (cmp?i_minus_1): New.
849 (cmpsi_1): New expander.
850 (cmpqi_ext_1): Use match_ccmode
851 (cmpqi_ext_3): New expander.
852 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
853 (cmpqi_ext_4): Use match_ccmode.
854 (add?i_?): Use match_ccmode.
856 (test?i_ccz_1): Remove
858 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
859 (testqi_ext_0): Use ix86_match_ccmode.
860 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
861 (xorqi_cc_ext_1): New expander.
862 (shift patterns): Use CCGOCmode for all shifts except for sar.
863 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
864 (setcc_3, jcc_3, miv?icc_c): Remove.
866 2000-09-15 Will Cohen <wcohen@redhat.com>
868 * dwarf2out.c (add_const_value_attribute): Changed array into a
869 xmalloced object, so it exists after function exit.
870 (free_AT): Added case for dw_val_class_float to free allocated
873 2000-09-15 Kazu Hirata <kazu@hxi.com>
875 * config/i386/i386.md: Fix a comment typo.
876 * gcc.c: Fix formatting.
878 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
880 * optabs.c (emit_libcall_block): If target is a user variable,
881 copy to a temporary first.
882 * expr.c (convert_move): When generating a libcall, make a libcall
884 * calls.c (emit_library_call_value_1): Don't create a libcall
885 sequence here; our caller will in most cases do it.
887 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
889 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
890 * sh.md (reload_outsf): Generate recognizable patterns for
892 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
893 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
894 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
895 truncdfsf2_i4): Change not to use explicit references to fpul.
896 (floatsisf2_ie): Remove USE of fpscr.
897 (floatsisf2): Change default expansion to match this.
898 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
901 2000-09-15 Richard Henderson <rth@cygnus.com>
903 * expmed.c (store_bit_field): Consider naturally aligned
904 memory for direct reference.
906 2000-09-15 Richard Henderson <rth@cygnus.com>
908 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
909 AND addresses into alias set 0.
910 (alpha_expand_unaligned_store): Likewise.
911 (alpha_expand_unaligned_load_words): Likewise.
912 (alpha_expand_unaligned_store_words): Likewise.
914 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
916 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
917 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
919 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
920 rsize of UNITS_PER_WORD.
922 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
924 * cpplex.c (ON_REST_ARG): Correct the test.
925 (maybe_paste_with_next): Duplicate a token that fail pasting,
926 and clear its PASTE_LEFT flag, so that nested pasting attempts
929 2000-09-14 Richard Henderson <rth@cygnus.com>
931 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
932 * cse.c (rtx_cost): Likewise.
933 * optabls.c (expand_binop): Likewise.
934 (expand_twoval_binop, prepare_cmp_insn): Likewise.
935 * regclass.c (copy_cost): Likewise.
936 * reload1.c (reload_cse_move2add): Likewise.
938 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
940 * c-parse.in (reswords): Add _Complex.
942 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
944 * gcc.1: Delete documentation for -undef preprocessor option.
946 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
948 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
949 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
950 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
951 Remove undefine before config/elfos.h.
952 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
954 2000-09-14 Kazu Hirata <kazu@hxi.com>
956 * invoke.texi (H8/300 Options): Add -ms2600.
957 * config/h8300.c (h8300_init_once): Output an error when -ms2600
959 * config/h8300.h (TARGET_MAC): New.
960 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
961 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
962 machine other than H8/S2600.
963 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
966 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
968 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
969 pseudos that refer to the original pseudos, not only to their
970 equivalent memory locations.
972 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
974 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
977 * Makefile.in (LN): Remove duplicate definition.
979 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
982 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
983 on an insn and function_invariant_p returns nonzero for the source,
984 add a REG_EQUAL note.
986 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
988 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
989 conflict with frame_pointer_rtx.
991 2000-09-13 Kazu Hirata <kazu@hxi.com>
993 * loop.c: Fix formatting.
996 2000-09-13 Richard Henderson <rth@cygnus.com>
998 * config/ia64/ia64.md (divsf3): New.
999 (divsf3_internal_lat, divsf3_internal_thr): New.
1000 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1001 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1002 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1003 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1004 (nmadddf4_alts, nmadddf4_trunc): New.
1005 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1006 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1007 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1008 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1009 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1010 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1011 (nmaddtf4_truncdf_alts): New.
1012 (recip_approx): Don't predicate.
1014 2000-09-13 Richard Henderson <rth@cygnus.com>
1016 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1018 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1020 * flags.h (flag_dump_rtl_in_asm): Declare.
1021 * toplev.c (flag_dump_rtl_in_asm): Define.
1022 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1023 if -dP is specified.
1024 * rtl.h (print_rtx_head): Declare.
1025 * print-rtl.c (print_rtx_head): Define.
1026 (print_rtx): Print the string pointed to by print_rtx_head
1027 at beginning of each dump line.
1028 (print_rtl): Likewise.
1029 (print_rtl_single): Likewise.
1030 * final.c (final_scan_insn): Dump the insn in the assembly
1032 * gcc.1: Document -dP option.
1033 * invoke.texi (Debugging Options): Likewise.
1035 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1037 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1038 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1039 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1041 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1043 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1044 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1045 (*clrstrqi): Likewise.
1046 (xorhi3,xorsi3,absqi2): Likewise.
1047 (one_cmplhi2,one_cmplsi2): Likewise.
1048 (addsi3): Two stupid constraint alternatives removed.
1049 (extendhisi2): Use `movw' for enhanced avr cores.
1050 (zero_extendhisi2): Likewise.
1052 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1054 * alias.c (find_base_term): Use frame_pointer_rtx
1055 when handling an ADDRESSOF.
1057 * cse.c (canon_hash): Handle USE of BLKmode memory.
1058 (cse_insn): Outgoing arguments for a libcall don't
1059 affect any recorded expressions.
1061 2000-09-12 Tom Tromey <tromey@cygnus.com>
1063 * configure, config.in: Rebuilt.
1064 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1066 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1068 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1069 * expr.c (expand_expr): Don't optimize constant array references
1070 initialized with wide string constants.
1072 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1074 * loop.c (note_set_pseudo_multiple_uses): Correct.
1076 2000-09-12 Jim Wilson <wilson@cygnus.com>
1078 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1079 else block, and X has side-effects, then fail.
1081 2000-09-12 Greg McGary <greg@mcgary.org>
1083 * config/mips/mips-protos.h
1084 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1085 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1086 (PREDICATE_CODES): Add "trap_cmp_op".
1087 * config/mips/mips.c
1088 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1089 * config/mips/mips.md (trap, conditional_trap): New patterns.
1091 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1093 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1096 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1098 * builtins.c (built_in_decls): New array.
1099 (expand_builtin_fputs): New function.
1100 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1102 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1104 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1106 * tree.h (built_in_decls): New array.
1108 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1110 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1112 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1114 2000-09-12 Kazu Hirata <kazu@hxi.com>
1116 * haifa-sched.c: Fix formatting.
1118 * genattrtab.c: Fix formatting.
1120 * unroll.c: Fix formatting.
1122 2000-09-12 Bruce Korb <bkorb@gnu.org>
1124 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1125 remove obsolete code
1126 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1127 * fixinc/fixincl.tpl: make non-exported arrays static scope
1128 * fixinc/fixincl.x: regenerate
1129 * fixinc/fixlib.h: Use PARAMS, not _P_
1130 * fixinc/fixtests.c: make a type for the test proc & use it
1131 * fixinc/server.h: Use PARAMS, not _P_
1133 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * c-typeck.c (process_init_element): Avoid union init warnings on
1136 floating point zero. Don't crash on unions containing structs.
1138 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1140 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1141 general_movsrc_operand, and remove CONST_INT from
1142 general_movdst_operand.
1144 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1146 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1147 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1148 regs with a higher cost.
1149 (preferrable): Deal with cases where either cost or regcost is
1151 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1153 (COSTS_N_INSNS): Move definition...
1155 (MAX_COST): New macro.
1156 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1159 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1161 * c-common.h (genrtl_clear_out_block): Remove.
1162 * c-semantics.c (genrtl_clear_out_block): Remove.
1163 (genrtl_while_stmt): Don't call it.
1164 (genrtl_for_stmt): Likewise.
1166 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1168 * cppfiles.c: Move all default-#defines to top of file.
1169 (open_include_file): Replace by lookup_include_file.
1170 (read_with_read, read_file): Merged into read_include_file.
1171 (stack_include_file, purge_cache): New functions.
1172 (close_cached_fd): Delete.
1173 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1174 Cache the in-memory buffer, not the file descriptor.
1176 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1178 (xcnew): New utility macro.
1179 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1180 * cpplib.h (struct cpp_buffer): Remove mapped field.
1182 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1184 * cpplex.c (parse_string): Accept backslash space newline as a
1186 (lex_line): Likewise.
1187 (_cpp_get_token): Remove hard limit on macro nesting.
1189 2000-09-12 Philipp Thomas <pthomas@suse.de>
1191 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1192 * configure: Rebuilt.
1194 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1196 * flow.c (split_block): Fix update of registers live at
1199 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1201 * i386.md (add?i_3, add?i_5): New.
1202 (add?i_4): Rename from add?i_3; Fix compare pattern.
1203 (sub?i_3, xor?i_3, ior?i_3): New.
1205 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1206 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1207 instead of extract_insn and extract_constrain_insn_cache instead of
1208 extract_insn and constrain_operands.
1209 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1211 (extract_insn): Clear which_alternative.
1212 (constrain_operands): Set which_alternative to -1 when failed.
1213 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1216 2000-09-11 Matthew Hiller <hiller@redhat.com>
1218 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1219 on operand 0 to '+'.
1220 (movstricthi): Likewise.
1222 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1224 * loop.h (LOOP_IVS): New macro.
1225 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1226 (struct loop_ivs): New.
1227 (struct loop_info): Add ivs field.
1228 (reg_iv_type, reg_iv_info): Delete prototype.
1229 (reg_biv_class, loop_iv_list): Likewise.
1230 * loop.c (record_biv, find_life_end): Pass loop argument.
1231 (reg_iv_type): Remove global array and use
1232 field in loop_regs structure within loop_ivs structure.
1233 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1234 (first_increment_giv, last_increment_giv): Use entry in
1236 (record_initial): Pass ivs pointer.
1237 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1239 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1241 * loop.h (LOOP_REGS): New macro.
1242 (struct loop_regs): New.
1243 (struct loop_info): Add regs field.
1244 * loop.c (set_in_loop): Remove global array and store
1245 in loop_regs structure as part of loop_info structure.
1246 (n_times_set, may_not_optimize): Likewise.
1247 (reg_single_usage, moved_once): Likewise.
1248 (count_one_set): Add regs argument.
1249 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1250 (set_pseudo_multiple_uses): Pass regs pointer.
1252 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1254 * unroll.c (iteration_info): Subsume into loop_iterations.
1255 * loop.h (loop_info): New field iv.
1257 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1259 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1260 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1261 (flow_loops_update): New prototype.
1262 (flow_loops_find): Add flags to prototype.
1263 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1264 * flow.c (flow_loop_pre_header_scan): New.
1265 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1266 (flow_loop_free): Free pre-header root and trace and exit dominators.
1267 (flow_loops_find): New argument flags.
1268 (flow_loops_update): New function.
1269 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1271 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1273 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1274 * flow.c (split_block, update_bb_for_insn): New functions.
1276 2000-09-11 Richard Henderson <rth@cygnus.com>
1278 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1280 2000-09-11 Richard Henderson <rth@cygnus.com>
1282 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1283 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1284 (ia64_override_options): Prevent optimizing division for both
1285 latency and throughput.
1286 (rtx_needs_barrier): Handle frcpa.
1287 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1288 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1289 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1290 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1291 -minline-divide-max-throughput.
1292 (PREDICATE_CODES): Update.
1293 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1294 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1295 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1296 (extendsftf2): Likewise.
1297 (extenddftf2): Likewise.
1298 (fix_trunctfdi2_alts): New.
1299 (fixuns_trunctfdi2_alts): New.
1300 (madd*4): Rename from madd*3.
1301 (divsi3, modsi3, udivsi3, umodsi3): New.
1302 (divsi3_internal): New.
1303 (divdi3, moddi3, udivdi3, umoddi3): New.
1304 (divdi3_internal_lat, divdi3_internal_thr): New.
1305 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1306 (recip_approx): New.
1308 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1310 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1311 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1313 * integrate.c (copy_rtx_and_substitute): Don't share
1314 LEAF_REG_REMAPpable registers with the inlined function. Don't
1315 share the function value with calling sequences.
1317 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1319 * c-decl.c (do_case): Fix a typo.
1321 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1322 to a if the comparison is floating mode and not -ffast-math.
1323 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1325 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1327 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1328 gen_ic_invalidate_line.
1330 2000-09-11 Philip Blundell <pb@futuretv.com>
1332 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1334 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1336 * install.texi (LANGUAGES): Update to include new languages.
1339 2000-09-11 DJ Delorie <dj@redhat.com>
1341 * gcc.c (main): Don't warn about unused -B prefixes
1342 (unused_prefix_warnings): remove
1344 2000-09-11 Kazu Hirata <kazu@hxi.com>
1346 * final.c: Fix formatting.
1348 * integrate.c: Fix formatting.
1350 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1352 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1354 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1356 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1358 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1360 * gcc.1: Document 68hc11 specific options.
1362 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1364 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1365 (TARGET_LONG_DOUBLE_128): Define.
1366 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1367 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1368 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1369 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1370 of __LONG_DOUBLE_128__.
1371 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1373 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1374 (CPP_SYSV_DEFAULT_SPEC): Define.
1375 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1376 (INIT_TARGET_OPTABS): Define.
1378 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1379 (RS6000_UITRUNC): Likewise.
1380 (INIT_TARGET_OPTABS): New macro.
1381 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1382 (trunc_defined): Delete.
1383 (output_prolog): Don't output .extern definitions for fp->int
1384 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1385 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1386 (trunc_defined): Delete.
1387 (RS6000_ITRUNC): Moved to aix.h.
1388 (RS6000_UITRUNC): Likewise.
1389 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1390 only emit a libcall.
1391 (fixuns_truncdfsi2): Delete.
1392 (trunc_call): Delete.
1393 (trunc_call_rtl): Delete.
1395 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1397 * varasm.c (make_decl_rtl): Restore leading star on
1398 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1400 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1402 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1403 won't give a spurious error for '#pragma pack()'. Simplify
1404 control flow for readability. 'reset' action is not necessary.
1406 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1408 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1409 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1410 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1411 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1413 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1414 profile.c, sdbout.c, tradcif.y, tree.c:
1415 Include defaults.h if not already included.
1416 Don't define the above macros.
1418 * Makefile.in: Update dependencies.
1420 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1422 * c-common.h (add_stmt): Change prototype.
1423 (RECHAIN_STMTS): New macro.
1424 (CASE_LABEL_DECL): Likewise.
1425 (genrtl_case_label): Change prototype.
1426 (c_expand_start_case): Remove prototype.
1427 (build_case_label): Change prototype.
1428 (decl_constant_value): Declare.
1429 * c-common.c (check_case_value): Handle C++'s extensions to C
1431 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1433 * c-parse.in (stmt): Adjust handling of return statements and case
1435 * c-semantics.c (add_stmt): Return the new statement.
1436 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1437 returned expression. Directly generate RTL, rather than calling
1439 (genrtl_switch_stmt): Don't call c_expand_start_case.
1440 (build_case_label): Take the LABEL_DECL as input, too.
1441 (genrtl_case_label): Just call add_case_node.
1442 (expand_stmt): Adjust calls to genrtl_return_stmt and
1444 * c-tree.h (c_expand_start_case): Declare.
1445 * c-typeck.c (decl_constant_value): Give it external linkage.
1446 (c_expand_return): Don't call expand_return or expand_null_return;
1447 use genrtl_return_stmt instead.
1448 * stmt.c (struct nesting): Remove num_ranges field.
1449 (add_case_node): Give it external linkage.
1450 (expand_start_case): Don't set num_ranges.
1451 (expand_start_case_dummy): Don't clear it.
1452 (pushcase): Rely on add_case_node to handle `default' labels.
1453 (add_case_node): Handle `default' labels.
1454 * tree.c (tree_int_cst_compare): New function.
1455 * tree.h (tree_int_cst_compare): Declare.
1456 (add_case_node): Likewise.
1458 2000-09-10 Richard Henderson <rth@cygnus.com>
1460 * c-parse.in: Revert last change.
1461 (init_reswords): Do not enter disabled keywords into the ridpointers
1462 table, modulo objc weirdness.
1463 (_yylex): Return the canonical spelling for a keyword.
1465 2000-09-10 Philip Blundell <philb@gnu.org>
1467 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1468 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1470 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1472 * alias.c (find_base_term): Handle ADDRESSOF.
1473 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1475 2000-09-10 Denis Chertykov <denisc@overta.ru>
1477 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1478 outputting templates with many lines.
1480 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1482 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1483 to decide whether 64-bit support must be generated.
1485 2000-09-10 Richard Henderson <rth@cygnus.com>
1487 * c-parse.in (asm patterns): Fix volatile check.
1489 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1491 * cppmacro.c (check_trad_stringification): New function.
1492 (save_expansion): If -Wtraditional, warn about stringification of
1495 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1497 * loop.h (struct loop_mem_info): Move from loop.c
1498 (struct loop_info): Add fields store_mems, mems, mems_idx,
1499 mems_allocated, unknown_address_altered,
1500 unknown_constant_address_altered, num_mem_sets, and
1501 first_loop_store_insn.
1503 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1504 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1505 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1506 (num_mem_sets): Likewise.
1507 (replace_loop_mems, replace_loop_regs): New.
1508 (struct loop_replace_args): New.
1509 (load_mems): Use replace_loop_mems.
1510 (try_copy_prop): Use replace_loop_regs.
1511 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1513 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1515 * configure.in: Recognize m6811-elf and m6812-elf.
1516 * configure: Regenerate.
1518 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1520 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1523 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1525 * loop.c (struct movables): New.
1526 (num_movables): Move into struct movables.
1527 (the_movables): Change type to struct movables.
1528 (ignore_some_movables): Change struct movable arg to struct movables.
1529 (force_movables, combine_movables, regs_match_p): Likewise.
1530 (rtx_equal_for_loop_p, move_movables): Likewise.
1531 (scan_loop): Change movables to be of type struct movables.
1532 Replace last_movable with field in movables structure.
1534 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1536 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1537 (init_pragma): Avoid warning if pfile happens to be unused.
1538 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1539 define init_pragma to nothing. Always prototype
1540 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1542 * c-lex.c (process_directive): Always call dispatch_pragma.
1543 Initialize entering_c_header to 0.
1545 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1547 * config/m68hc11/m68hc11.md: New file, machine description for
1549 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1550 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1551 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1552 * config/m68hc11/m68hc11-protos.h: New file.
1553 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1554 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1555 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1556 * config/m68hc11/larith.asm: New file, libgcc routines.
1558 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1560 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1561 (FPBIT_FUNCS): Add _usi_to_sf.
1562 * config/fp-bit.c (usi_to_float): New function.
1563 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1564 (usi_to_float): Add appropriate #define.
1566 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1568 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1570 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1571 * i386.md (attr "type"): Add sse and mmx types.
1572 (attr "memory"): Handle them without a crash.
1573 (movsi_1, movdi_2): Allow MMX regs.
1574 (movdi splits): Don't split moves involving MMX regs.
1575 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1576 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1577 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1578 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1579 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1580 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1581 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1582 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1583 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1584 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1585 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1586 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1587 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1588 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1589 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1590 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1591 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1592 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1593 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1594 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1595 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1596 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1597 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1598 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1599 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1600 mmx_clrdi): New patterns.
1602 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1604 * arm.c: Don't include tm.h directly.
1606 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1608 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1609 testing; simplify subregs of constants and nested subregs.
1611 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1613 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1615 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1617 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1619 * rtl.texi (description of USE): Add note about possible pitfalls
1621 From Richard Henderson:
1622 * reload1.c (choose_reload_regs): Compute need_mode properly.
1624 2000-09-07 Richard Henderson <rth@cygnus.com>
1626 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1627 (__modsi3, __umodsi3): Likewise.
1628 (__udivsi3): Likewise. Normalize the TFmode values.
1630 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1632 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1634 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1637 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1639 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1640 (cmpeqdi_t): Add output pattern.
1641 (cmpeqdi_t+1): Don't split when not optimizing.
1642 Restore proper splitting operation.
1644 2000-09-07 Richard Henderson <rth@cygnus.com>
1646 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1647 do not call dispatch_pragma.
1649 2000-09-07 Jim Wilson <wilson@cygnus.com>
1651 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1652 to CLASS_CANNOT_CHANGE_MODE.
1653 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1654 mode classes are different.
1656 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1658 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1659 left out of commit which removed cppulp.c.
1661 2000-09-07 Richard Henderson <rth@cygnus.com>
1663 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1664 after switch for CASE_DROPS_THROUGH.
1666 2000-09-07 Richard Henderson <rth@cygnus.com>
1668 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1669 Properly extend the biv initial value for the giv.
1670 (record_biv): Zero ext_dependant.
1671 (record_giv): New argument ext_val. Update all callers.
1672 (general_induction_var): Likewise.
1673 (consec_sets_giv): Likewise.
1674 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1675 a sign-extend, zero-extend, or truncate.
1676 (combine_givs_p): Make sure modes are compatible.
1677 (check_ext_dependant_givs): New.
1678 (extend_value_for_giv): New.
1679 * loop.h (struct induction): Add ext_dependant.
1680 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1681 (find_splittable_givs): Likewise.
1682 (final_giv_value): Likewise.
1684 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1686 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1687 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1688 definitions from cpplib.h.
1689 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1691 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1692 documentation for REGISTER_TARGET_PRAGMAS.
1694 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1695 default-pragma callback to implement -Wunknown-pragmas if
1697 * c-parse.in: Move all includes to top of file.
1698 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1700 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1702 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1704 * arm.h, arm-protos.h, arm.c,
1705 c4x.h, c4x-protos.h, c4x.c,
1706 h8300.h, h8300-protos.h, h8300.c,
1707 i370.h, i370-protos.h, i370.c,
1708 i960.h, i960-protos.h, i960.c,
1709 sh.h, sh-protos.h, sh.c,
1710 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1711 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1713 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1714 multiple include guard.
1715 * i370.md (untyped_call): Use GEN_CALL.
1716 (umodsi3): Remove unused variable.
1717 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1718 * v850.c (output_move_single, output_move_double): Constify
1720 (print_operand): Constify a char *.
1721 * v850.h (struct small_memory_info): Constify name member.
1723 2000-09-07 Kazu Hirata <kazu@hxi.com>
1725 * config/h8300.h: Fix comment typos.
1726 * config/h8300/h8300.md: Likewise.
1727 * config/h8300/lib1funcs.asm: Likewise.
1729 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1731 * Makefile.in: Remove references to cppulp.{c,o}.
1732 * cppinit.c (initialize_builtins, cpp_start_read,
1733 cpp_handle_option): Update to use cpp_options structure.
1736 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1738 * c-common.c (time_char_table): Allow %#b and %#h.
1740 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1742 * reorg.c (find_end_label): If the basic block reorder pass moves the
1743 return insn to some other place try to locate it again and put our
1744 end_of_function_label there.
1745 * reorg.c (relax_delay_slots): Check if find_end_label created a
1746 new label that invalidates the current optimazation.
1748 2000-09-07 Catherine Moore <clm@redhat.com>
1750 * unroll.c (unroll_loop): Check for unconditional jumps
1751 to loop continuation. Delete if n_iterations is 1.
1752 (ujump_to_loop_cont): New routine.
1754 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1756 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1758 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1759 to handle multiword modes correctly. All callers and the declaration
1762 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1764 * c-common.h (prep_stmt): Declare.
1765 (lang_expand_stmt): Likewise.
1766 * c-decl.c (lang_expand_stmt): Remove.
1767 * c-semantics.c (lang_expand_stmt): Define.
1768 (prep_stmt): New function.
1769 (expand_stmt): Handle common statement types here.
1771 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1773 * configure.in (sh-*-linux*): Added.
1774 * configure: Rebuilt.
1775 * config/sh/t-linux: New file.
1776 * config/sh/sh.h (USERMODE_BIT): Define.
1777 (TARGET_USERMODE): Likewise.
1778 (TARGET_SWITCHES): New switches for the bits above.
1779 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1780 * config/sh/linux.h: New file.
1781 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1782 underscore on linux.
1783 (L_sdivsi3, L_udivsi3): Define for linux.
1784 (L_ic_invalidate): Define.
1785 * invoke.texi (SH Options): Document -musermode.
1787 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1789 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1790 CSE unless generating PIC.
1792 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1795 2000-09-06 H.J. Lu (hjl@gnu.org)
1797 * Makefile.in (clean_s1): Depend on stage_b.
1798 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1799 stage2. They are used for "make compare".
1801 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1803 Move statement-tree facilities from C++ to C front-end.
1804 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1805 (void_zero_node): New macro.
1806 (struct stmt_tree_s): New type.
1807 (stmt_tree): New typedef.
1808 (struct language_function): New type.
1809 (last_tree): New macro.
1810 (last_expr_type): Likewise.
1811 (walk_tree_fn): New typedef.
1812 (current_stmt_tree): New function.
1813 (begin_stmt_tree): Likewise.
1814 (add_stmt): Likewise.
1815 (finish_stmt_tree): Likewise.
1816 (statement_code_p): Likewise.
1817 (lang_statement_code_p): New variable.
1818 (walk_stmt_tree): New function.
1819 (STMT_IS_FULL_EXPR_P): New macro.
1820 * c-common.c (lang_statement_code_p): New variable.
1821 (c_common_nodes_and_builtins): Initialize void_zero_node.
1822 (statement_code_p): New function.
1823 (walk_stmt_tree): Likewise.
1824 * c-decl.c (language_function): Rename to ...
1825 (c_language_function): ... this. Include language_function.
1826 (push_c_function_context): Adjust accordingly.
1827 (pop_c_function_context): Likewise.
1828 (mark_c_function_context): Likewise.
1829 (current_stmt_tree): Define.
1830 * c-semantics.c (begin_stmt_tree): New function.
1831 (add_stmt): Likewise.
1832 (prune_unused_decls): Likewise.
1833 (finish_stmt_tree): Likewise.
1835 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1837 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1839 2000-09-06 Kazu Hirata <kazu@hxi.com>
1841 * calls.c: Fix formatting.
1843 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1845 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1847 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1849 Integrated preprocessor.
1851 * Makefile.in: Remove all references to c-parse.gperf,
1852 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1853 generating c-parse.c. Update dependencies.
1854 * c-parse.gperf, c-gperf.h: Delete.
1856 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1857 yy_lim, or yy_get_token. Don't define get_directive_line if
1859 * c-common.h: Add multiple include guard. Define RID values
1860 for every keyword in C, C++, and Objective C. Put all the
1862 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1863 * c-decl.c (c_decode_option): Handle -lang-objc here.
1864 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1865 (grokdeclarator): Adjust for new RID scheme.
1866 (extract_interface_info): New stub.
1867 * c-lang.c: Don't declare yy_cur or parse_options.
1868 (lang_init_options): Call cpp_init. Don't call
1870 (lang_init): Don't call check_newline if USE_CPPLIB.
1872 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1873 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1874 rendered unnecessary by new architecture. Move routines not
1875 shared with C++ to c-parse.in. Maintain a local idea of the
1876 line number. Handle C++ as well as C.
1877 [USE_CPPLIB]: Declare and register callbacks for #ident and
1878 for entering/leaving files.
1879 (init_c_lex, c_lex): Are now the entry points to this file.
1880 (check_newline): Break out directive handling to
1882 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1884 (readescape, parse_float): Overhaul.
1885 (lex_number, lex_string, lex_charconst): Break out of c_lex
1887 (get_fileinfo, update_header_times, dump_one_header,
1888 dump_time_statistics): New and/or moved here from C++.
1889 Support per-file data needed by C++ and per-header timing
1890 statistics (C++ only, at the moment).
1891 * c-lex.h: Update prototypes. Add multiple include guard.
1892 * c-tree.h (struct lang_identifier): Add rid_code field.
1893 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1895 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1896 reinit_parse_for_function and/or position_after_white_space.
1897 (save_filename, save_lineno): Look ahead before saving.
1898 (label -> identifier ':'): Save file and line before shifting ':'.
1899 (reservedwords): No need to call get_identifier.
1900 (init_parse, finish_parse, yyerror, yylex, yyprint,
1901 make_pointer_declarator): Are now here for C/ObjC.
1902 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1904 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1905 #pragma registry. Provide dummy implementation of that
1906 interface if !USE_CPPLIB.
1907 * c-pragma.h: Update to match.
1909 * flags.h: Add multiple include guard.
1910 (flag_detailed_statistics): Moved here from C++.
1911 * toplev.c: Define flag_detailed_statistics.
1913 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1915 * timevar.def (TV_CPP, TV_LEX): New.
1916 * timevar.h: Add multiple include guard.
1918 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1920 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1921 Initialize cpplib properly. Force lineno to 0 after first
1922 call to check_newline. Don't handle -lang-objc here.
1923 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1925 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1927 * rs6000.md: Correct function unit definitions for cr_logical and
1929 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1930 and use portable method for >=0 and floating point >=. Remove
1931 associated matchers.
1933 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1935 * extend.texi: Mark named return value extension as deprecated.
1937 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1939 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1942 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1944 * toplev.c (display_help): Fix thinko in documentation.
1946 * diagnostic.h (output_buffer::indent_skip): New fields.
1947 (output_indentation): New macro.
1949 * diagnostic.c (output_indent): New function.
1950 (output_set_prefix, clear_diagnostic_info): Use.
1951 (output_emit_prefix): Predict future indentation.
1953 2000-09-06 DJ Delorie <dj@redhat.com>
1955 * Makefile.in (stage_*): add more dependencies to ensure parallel
1956 builds build correctly
1958 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1960 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1961 not bootstrap-lean_f.
1963 2000-09-06 Andreas Schwab <schwab@suse.de>
1965 * mklibgcc.in: Emit rule for libgcc-stage-start.
1966 * Makefile.in (stage1-start, stage2-start, stage3-start,
1967 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1969 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1971 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1972 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1973 (combine_regs): Likewise.
1975 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1976 * cse.c: Include "basic-block.h".
1977 (struct table_elt): New field REGCOST.
1978 (CHEAP_REG): Delete macro.
1979 (COST): Return 0 for REGs.
1980 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1981 (notreg_cost): Return 0 for appropriate SUBREGs.
1982 (COSTS_N_INSNS): Return N * 2.
1983 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1985 (CHEAPER): Use new function preferrable.
1986 (insert): Initialize REGCOST member.
1987 (find_best_addr): Use approx_reg_cost for estimation of register
1989 (cse_insn): Likewise.
1990 * loop.c (iv_add_mult_cost): New function.
1991 (add_cost, shift_cost, mult_cost): Delete variables.
1992 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1993 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1994 Make code that detects autoinc opportunities slightly less optimistic.
1995 (simplify_giv_expr): If expression contains other reg that is also a
1996 giv, only increment benefit if this is the only use of that reg.
1997 (consec_sets_giv): Take that change into account.
1998 (combine_givs): Slightly more verbose output.
2000 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2001 not the cost of an equivalent shift.
2002 * sh-protos.h (addsubcosts): Declare.
2003 * sh.c (addsubcosts): New function.
2004 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2005 (RTX_COSTS): Tweak. Use addsubcosts.
2006 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2008 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2010 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2011 (branch_comparison_operator): Call validate_condition_mode to
2012 abort rather than returning 0.
2013 (branch_positive_comparison_operator): New function.
2014 (scc_comparison_operator): Call validate_condition_mode to abort
2015 rather than returning 0.
2016 (ccr_bit): Call validate_condition_mode. Update for
2018 (print_operand): Delete %C modifier. Update %E case
2019 to use EQ bit not SO bit.
2020 (rs6000_reverse_condition): New function.
2021 (rs6000_generate_compare): New function.
2022 (rs6000_emit_sCOND): New function.
2023 (rs6000_emit_cbranch): New function.
2024 (output_cbranch): The length of a long branch insn is
2025 now only 8 bytes. Add validate_condition_mode. Use
2026 rs6000_reverse_condition. Remove cror generation.
2028 * config/rs6000/rs6000.h: Update comments.
2029 (PREDICATE_CODES): Add new predicate. Update codes used
2030 by branch_comparison_operator and scc_comparison_operator.
2031 * config/rs6000/rs6000-protos.h: Add prototypes for
2032 new external functions.
2033 * config/rs6000/rs6000.md: Add new scheduling parameters
2034 for cr_logical instructions. Change length of branch
2036 (bCOND patterns): Call rs6000_emit_cbranch.
2037 (sCOND patterns): Call rs6000_emit_sCOND.
2038 (branch patterns): Change lengths to 4.
2039 (cr logical patterns): New.
2041 2000-09-06 Richard Henderson <rth@cygnus.com>
2043 * config/i386/i386.md (call_pop): Fix test for setting
2044 current_function_uses_pic_offset_table.
2045 (call, call_value_pop, call_value): Likewise.
2047 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2049 * timevar.c (timevar_add): Delete.
2050 (timevar_get): Also count time since the selected timer was
2051 last updated. Do not examine the timevar stack if the
2052 selected timer is standalone.
2054 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2056 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2058 2000-09-05 Jason Merrill <jason@redhat.com>
2060 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2061 for 'extern' arrays.
2063 2000-09-05 Richard Henderson <rth@cygnus.com>
2065 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2066 Eliminate final copy from non-trapping case.
2067 (__divdf3, __divsf3): Likewise.
2069 2000-09-05 Richard Henderson <rth@cygnus.com>
2071 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2072 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2074 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2076 * Makefile.in: Restructure bootstrap stages to allow clean
2077 restart after failure.
2079 2000-09-05 Richard Henderson <rth@cygnus.com>
2081 * config/ia64.md (movsi and movdi patterns): Allow moves from
2082 8-bit constants to AR registers.
2084 2000-09-05 Richard Henderson <rth@cygnus.com>
2086 * config/ia64/ia64.md (mulhi3): New.
2088 2000-09-05 Richard Henderson <rth@cygnus.com>
2090 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2091 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2092 Optimization Guide, minimum latency alternative.
2093 (__moddi3, __udivdi3, __umoddi3): Likewise.
2094 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2096 2000-09-05 Bruce Korb <bkorb@gnu.org>
2098 * fixinc/fixincl.c (load_file): always read header files
2099 with sizes that are a multiple of the page size.
2100 & use libiberty's getpagesize for determining that.
2102 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2104 * gcse.c (hash_string_1): Add prototype.
2105 * cse.c (canon_hash_string): Likewise.
2107 2000-09-04 Craig Newell <CraigN@ieee.org>
2109 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2111 2000-09-04 Andreas Schwab <schwab@suse.de>
2113 * Makefile.in (STAGESTUFF): Remove libgcc.
2114 (stage1-start, stage2-start, stage3-start): Copy the contents of
2115 the libgcc directory explicitly.
2116 (mostlyclean): Clean libgcc.
2118 2000-09-04 Andrew Haley <aph@redhat.com>
2120 * dwarf2out.c: (stack_adjust_offset): New prototype.
2122 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2124 * combine.c (make_extraction): Fix rtx_cost comparison to
2127 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2129 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2130 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2131 Add '*' to insn pattern name.
2133 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2135 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2136 use posn - 1 to index into tokens array.
2137 (maybe_paste_with_next): Adjust caller.
2139 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2141 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2143 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2144 (REGNO_REG_CLASS): Use symbolic register
2147 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2149 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2150 recognized, don't try to conditionally execute it.
2152 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2154 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2155 (call_value_insn): Right length claculation.
2156 (call_insn): Likewise.
2158 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2160 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2161 gas_output_limited_string, gas_output_ascii, output_movqi,
2162 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2163 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2164 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2165 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2166 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2167 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2168 Add "const" as needed to remove warnings.
2170 * config/avr/avr.c (avr_override_options, avr_init_once,
2171 function_prologue, function_epilogue, frame_pointer_required_p,
2172 class_likely_spilled_p, order_regs_for_local_alloc,
2173 avr_address_cost, avr_ret_register): Use K&R style arguments.
2174 (initial_elimination_offset, gas_output_limited_string):
2175 Remove ATTRIBUTE_UNUSED from the used arguments.
2176 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2177 Use local variables src, dest, base to access operands[].
2178 Rename reg_dest to reg_src if that's what it is.
2179 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2180 constants to LD_REGS if reg_was_0.
2181 (output_reload_insisf): Change arg 3 to insn length and set it.
2182 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2183 access to 16-bit I/O register pairs.
2184 (avr_address_cost): Lower cost for the above case.
2185 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2186 may be clobbered, also for LD_REGS.
2187 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2190 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2192 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2193 macro to test_hard_reg_class function.
2194 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2195 for loading immediate constants to LD_REGS.
2196 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2199 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2201 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2202 * config/avr/libgcc.S: Lost part of the previous patch.
2204 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2206 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2207 object before calling pthread_mutex_init.
2209 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2211 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2212 config/sh/crtn.asm: New files.
2213 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2214 (crt1.o, crti.o, crtn.o): New targets.
2215 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2217 * configure: Rebuilt.
2218 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2219 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2220 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2221 Undefine for config/elfos.h to redefine.
2222 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2224 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2226 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2227 legitimize_pic_address, output_pic_addr_const): Declare.
2228 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2229 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2230 (TARGET_SWITCHES): New switch -mprefergot.
2231 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2232 (PIC_OFFSET_TABLE_REGNUM): Define.
2233 (GOT_SYMBOL_TABLE): Likewise.
2234 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2235 (ENCODE_SECTION_INFO): Define.
2236 (FINALIZE_PIC): New macros.
2237 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2238 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2239 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2240 (prepare_move_operands): Call emit_pic_move or
2241 emit_pic_const_move if appropriate.
2242 (output_far_jump): For PIC, use braf and output long offset.
2243 (machine_dependent_reorg):
2244 (sh_expand_prologue): Save and initialize the PIC register.
2245 (sh_expand_epilogue): Restore it.
2246 (initial_elimination_offset): Account for it.
2247 (nonpic_symbol_mentioned_p): New function.
2248 (legitimize_pic_address): Likewise.
2249 (output_pic_addr_const): Likewise.
2250 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2251 (call, call_value): Use them.
2252 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2253 symPLT_label2reg): New expands.
2254 * invoke.texi (SH Options): Document -mprefergot.
2256 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2258 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2259 * gcse.c (hash_string_1): New function.
2260 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2261 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2262 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2263 (canon_hash_string): New function.
2264 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2265 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2266 (fold_rtx): Use ASM_OPERANDS accessor macros.
2267 * emit-rtl.c (copy_insn_1): Likewise.
2268 * integrate.c (copy_rtx_and_substitute): Likewise.
2269 * stmt.c (expand_asm_operands): Likewise. Give an
2270 ASM_OPERANDS rtx the mode of the output reg being set from it.
2272 2000-09-01 Fred Fish <fnf@be.com>
2274 * fix-header.c (write_rbrac): Add putc and getc to list of
2275 functions to protect against prior definition as a macro.
2277 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2279 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2280 (c_size_type_node): Define.
2281 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2282 * c-common.c (enum format_lengths, enum format_std_version,
2283 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2284 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2285 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2286 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2287 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2288 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2289 format_types): Define.
2290 (format_char_info, print_char_table, scan_char_table,
2291 time_char_table): Rearrange for new organization of information
2292 about format length modifiers and standard versions.
2293 (T_ST): Redefine to use c_size_type_node.
2294 (check_format_info): Obtain information about length modifiers and
2295 standard versions from tables. Adjust warning message wordings.
2296 Use the name from the user's program for `ll' and `hh' length
2297 modifiers in warning messages. Use more informative names for
2298 wanted types where available (for wchar_t, wint_t, size_t, signed
2299 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2301 2000-09-01 Jim Wilson <wilson@cygnus.com>
2303 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2304 * combine.c (distribute_notes): Handle REG_NORETURN.
2305 * rtl.c (reg_note_name): Add REG_NORETURN.
2306 * rtl.h (enum reg_note): Likewise.
2308 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2310 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2311 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2312 (emit_predicate_relation_info): Handle conditional calls with
2314 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2315 instead of ia64_file_start.
2316 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2317 * config/ia64/ia64.md (safe_across_calls_all,
2318 save_across_calls_normal): New patterns.
2320 * loop.c (check_final_value): Check for biv use before checking for
2321 giv use. Check for both biv and giv uses. Always set last_giv_use
2322 if there is a giv use.
2324 2000-09-01 Richard Henderson <rth@cygnus.com>
2326 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2327 (madddi3): Likewise.
2330 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * expr.c (clear_storage): Don't use emit_move_insn unless
2333 either BLKmode or proper size.
2334 (store_constructor): Don't call clear_storage if REG of wrong size.
2336 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2337 of function if returns wiht stack pointer depressed.
2339 2000-09-01 Andrew Haley <aph@redhat.com>
2341 * dwarf2out.c (stack_adjust_offset): New function.
2342 (dwarf2out_stack_adjust): Break out stack adjust logic into
2343 new stack_adjust_offset function. Look inside parallels and
2344 sequences for stack adjustments.
2346 2000-08-31 Jeff Law <law@cygnus.com>
2348 * arm.md: Use no_new_pseudos to determine when it is safe
2349 to create new pseudo registers.
2351 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2352 when we can safely allocate new registers.
2354 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2356 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2357 so that CONCATs are not generated for ASMs.
2358 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2359 not generating_concat_p.
2360 * function.c (pop_function_context_from): Reset
2361 generating_concat_p.
2362 (prepare_function_start): Likewise.
2363 * rtl.c (generating_concat_p): Define.
2364 * rtl.h (generating_concat_p): Declare.
2365 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2367 2000-08-22 Philipp Thomas <pthomas@suse.de>
2368 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2370 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2373 2000-08-30 Greg McGary <greg@mcgary.org>
2375 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2376 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2377 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2379 2000-08-30 Greg McGary <greg@mcgary.org>
2381 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2382 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2383 (TREE_INT_CST): New macro.
2384 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2385 Use new macro TREE_INT_CST.
2387 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2389 * contrib.texi: Add self.
2391 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2393 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2394 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2397 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2399 * fixinc/gnu-regex.c: Don't define `const'.
2401 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2403 * expr.c (store_constructor): Allow variable bounds of array type.
2404 (expand_expr): Don't blow up if type is ERROR_MARK.
2405 * varasm.c (output_constructor): Don't access lower bound of array
2406 type unless need it if index is supplied (so it can be a variable
2407 if no index is supplied).
2408 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2409 Other minor cleanups.
2411 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2413 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2414 for compilations in stage 1 and subsequent stages, respectively.
2415 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2416 * configure: Rebuilt.
2417 * x-vax, x-vax-gcc: Deleted.
2419 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2421 * c-common.c (declare_function_name): Use func_id_node,
2422 function_id_node, and pretty_function_id_node. Do not make
2423 __func__ visible at file scope.
2424 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2425 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2426 (function_id_node, pretty_function_id_node, func_id_node): New
2428 * c-decl.c (init_decl_processing): Initialize function_id_node,
2429 pretty_function_id_node, and func_id_node.
2430 (c_make_fname_decl): Correct comment.
2432 * tree.h (struct tree_identifier): Constify pointer member.
2434 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2435 * c-pragma.h (struct weak_syms): Constify name and value members.
2436 (add_weak): Constify arguments.
2438 * calls.c (special_function_p): Constify a char *.
2439 (expand_call): Remove variable which is initialized and then
2441 * dependence.c (struct def_use, struct induction, struct subscript):
2442 Constify 'variable' member.
2443 (get_low_bound, have_induction_variable): Constify char * argument.
2444 (find_induction_variable): Add braces to avoid dangling else.
2445 (classify_dependence): Constify char * arrays.
2446 * profile.c (output_func_start_profiler): Constify a char *.
2447 * stor-layout.c (finalize_record_size): Constify a char *.
2448 * tree.c (is_attribute_p): Constify a char *.
2449 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2451 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2452 for comprehensibility. Do not call get_identifier if we did
2453 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2454 create temporary string constants, not ggc_alloc_string. No
2455 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2456 char * to hold IDENTIFIER_POINTERs.
2458 2000-08-29 Richard Henderson <rth@cygnus.com>
2460 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2463 2000-08-29 Richard Henderson <rth@cygnus.com>
2465 * reload.c (push_secondary_reload): Allow class == reload_class
2466 if we're using a reload_in/out pattern.
2468 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2469 the half that does not conflict with the reload register.
2470 (reload_outti): Likewise.
2472 2000-08-29 Kazu Hirata <kazu@hxi.com>
2474 * reload.c: Fix formatting.
2476 * stmt.c: Fix formatting.
2478 * gcc.c: Fix formatting.
2480 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2482 * flags.h (time_report, mem_report): New global flags.
2483 * toplev.c: Define time_report and mem_report.
2484 (f_options): Add -ftime-report and -fmem-report.
2485 (compile_file): Turn on time_report if quiet_flag is off.
2486 Call ggc_print_statistics at very end if mem_report is on.
2487 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2489 * ggc-common.c (ggc_print_statistics): Rename to
2490 ggc_print_common_statistics; all callers changed. Scale
2491 quantities above 10K to kilobytes and above 10M to megabytes.
2492 * ggc-page.c (ggc_page_print_statistics): Rename to
2493 ggc_print_statistics. Report memory consumed by internal data
2494 structures for each allocation bucket. Scale quantities above
2495 10K to kilobytes and above 10M to megabytes.
2496 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2497 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2498 Define tally_leaves always.
2499 (ggc_print_statistics): New function.
2500 * ggc.h: Adjust for renamed functions.
2502 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2504 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2505 output_movsisf instead of which_alternative.
2507 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2509 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2511 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2512 (avr_progmem_p): New prototype.
2513 (output_movsisf): Prototype declaration changed.
2514 (output_movqi): New prototype.
2515 (output_movhi): New prototype.
2516 (call_insn_operand): Likewise.
2517 (final_prescan_insn): Likewise.
2518 (avr_simplify_comparision_p): Likewise.
2519 (avr_normalize_condition): Likewise.
2520 (compare_eq_p): Likewise.
2521 (out_shift_with_cnt): Likewise.
2522 (const_int_pow2_p): Likewise.
2523 (output_reload_inhi): Prototype declaration changed.
2525 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2526 (ldi_reg_rtx): New. rtx for r31.
2527 (avr_init_stack): Initialize as "__stack".
2528 (function_prologue): Use it.
2529 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2530 (avr_mcu_name): Initialize as "avr2".
2531 (avr_enhanced_p, avr_mega_p): New variables.
2532 (mcu_types, avr_override_options): Handle all known MCU types.
2533 Also handle avr1 (only preprocess, assemble and link).
2534 (print_operand): Using of `%K' in output template removed.
2535 (out_movqi_r_mr): Optimized.
2536 (out_movhi_r_mr): Likewise.
2537 (output_movqi): New function.
2538 (output_movhi): Likewise.
2539 (out_movsi_r_mr): Optimized.
2540 (output_movsisf): Compute insn length for `adjust_insn_length'
2541 (out_movqi_mr_r): Optimized.
2542 (out_movhi_mr_r): Optimized.
2543 (adjust_insn_length): Use output_movsisf, output_movqi,
2544 output_movhi for insn length adjusting.
2545 (reg_unused_after): Use dead_or_set_p.
2546 (preferred_reload_class): Now havn't any restriction.
2547 (reg_was_0): New function.
2548 (io_address_p): Likewise.
2549 (const_int_pow2_p): Likewise.
2550 (output_reload_inhi): Likewise.
2551 (output_reload_insisf): Likewise.
2553 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2554 (LIB_SPEC): Use -lc for all supported devices.
2555 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2556 (AVR_MEGA): Define as avr_mega_p.
2557 (AVR_ENHANCED): New, define as avr_enhanced_p.
2558 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2559 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2560 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2561 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2562 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2563 (ASM_SPEC): Pass -mmcu=... to the assembler.
2564 Change all -DAVR_* to -D__AVR_*__.
2565 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2566 Rename library functions to start with two underscores.
2567 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2569 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2570 (SUPPORTS_WEAK): Likewise.
2571 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2572 register for loading constants to r0-r14.
2574 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2576 (*mov_r_sp): Removed. Handled by output_movhi.
2577 (*mov_sp_r): Likewise.
2578 (*mov_sp_r_no_interrupts): Likewise
2579 (*mov_sp_r_tiny): Likewise.
2580 (*movqi): Use output_movqi.
2581 (*reload_inqi): New.
2582 (*movhi): Use output_movhi.
2583 (*reload_inhi): New.
2584 (*negsi2): Optimized.
2585 (*negsf2): Likewise.
2586 Added peepholes (define_peephole2) for loading constants to r0-r14
2587 and for using `cpse' command.
2589 * config/avr/libgcc.S: Rename library functions to start with two
2591 Add support for enhanced core.
2592 (_moqhi3): Fix typo, now _modqi3.
2593 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2594 (__prologue_saves__): Remove test for stack adjust by 0.
2595 (__tablejump__): New.
2597 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2598 Add multilib support.
2600 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2602 * loop.c (prescan_loop): Don't check unknown_address_altered
2603 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2604 to loop_store_mems as necessary.
2605 (loop_invariant_p): Don't check unknown_address_altered
2606 or unknown_constant_address_altered.
2608 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2610 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2612 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2614 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2615 print just the filename.
2616 * cpplex.c (_cpp_run_directive): Add additional argument, the
2617 name to give the synthetic buffer. This defaults to
2618 translated "<command line>".
2619 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2621 (_cpp_define_builtin): New function.
2622 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2623 * cpphash.h: Update prototypes.
2625 * tradcpp.c (main): Process -D and -U simultaneously, in the
2626 order they appeared on the command line.
2628 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * c-decl.c (define_label): Call warning_with_file_and_line and
2631 error_with_file_and_line instead of plain warning or error.
2633 * c-parse.in (label): Use save_filename/save_lineno to ensure
2634 correct values for calls to define_label.
2636 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2638 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2640 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2642 * tree.h (get_file_function_name): Remove two duplicate
2645 2000-08-28 Kazu Hirata <kazu@hxi.com>
2647 * tree.c: Fix formatting.
2649 * xcoffout.c: Fix formatting.
2651 2000-08-28 Jason Merrill <jason@redhat.com>
2653 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2655 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2657 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2658 break_out_includes if it won't do anything.
2660 2000-08-28 Richard Henderson <rth@cygnus.com>
2662 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2663 (find_reloads): Likewise.
2664 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2665 (reload_inhi): Likewise.
2667 2000-08-28 Richard Henderson <rth@cygnus.com>
2669 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2670 (call_insn_operand): Don't expect a surrounding mem.
2671 (constant_call_address_operand): Likewise.
2672 * config/i386/i386.h (PREDICATE_CODES): Update.
2673 * config/i386/i386.md (call patterns): Move the match_operand
2674 for the call destination inside the mem.
2676 2000-08-28 Richard Henderson <rth@cygnus.com>
2678 * local-alloc.c (requires_inout): Don't use reserved range for
2679 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2680 * recog.c (asm_operand_ok): Likewise.
2681 (preprocess_constraints, constrain_operands): Likewise.
2682 * regclass.c (record_reg_classes): Likewise.
2683 * reload.c (find_reloads): Likewise.
2684 * reload1.c (maybe_fix_stack_asms): Likewise.
2685 (reload_cse_simplify_operands): Likewise.
2686 * stmt.c (expand_asm_operands): Likewise.
2688 * md.texi: Update constraints documentation.
2689 * tm.texi (EXTRA_CONSTRAINT): Update.
2691 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2693 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2694 (print_die): If we don't know the offset of the
2695 target die, try the symbol. Add a trailing newline.
2696 (reverse_all_dies): New fn.
2697 (dwarf2out_finish): Call it.
2698 (break_out_includes): Reorganize for clarity.
2699 (add_sibling_attributes): Don't call reverse_die_lists.
2700 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2702 * flags.h: Add flag_eliminate_dwarf2_dups.
2703 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2705 2000-08-28 Jason Merrill <jason@redhat.com>
2707 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2708 * dwarf2out.c: #include "md5.h".
2709 (DIE_LABEL_PREFIX): New macro.
2710 (dw_val_struct): Add 'external' flag to val_die_ref.
2711 (add_AT_die_ref, AT_ref): Adjust.
2712 (AT_ref_external, set_AT_ref_external): New fns.
2713 (build_abbrev_table): Call set_AT_ref_external.
2714 (value_format): Call AT_ref_external.
2715 (die_struct): Add die_symbol field.
2716 (new_die): Clear it.
2717 (dwarf_tag_name): Handle BINCL/EINCL.
2718 (dwarf2out_start_source_file): Add BINCL DIE.
2719 (dwarf2out_end_source_file): Add EINCL DIE.
2720 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2721 (loc_checksum, attr_checksum, die_checksum): New fns.
2722 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2723 (compute_section_prefix, assign_symbol_names): New fns.
2724 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2725 (output_die): Call output_die_symbol and AT_ref_external.
2726 (output_comdat_comp_unit): New fn, split out from...
2727 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2729 (output_pubnames, output_aranges): Abort if we see entries from
2731 * toplev.h: Declare file_name_nondirectory.
2732 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2733 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2734 (debug_start_source_file): Call dwarf2out_start_source_file
2735 regardless of debug verbosity.
2736 (debug_end_source_file): Similarly.
2737 * tree.h: Declare clean_symbol_name.
2738 * tree.c (clean_symbol_name): Split out from...
2739 (get_file_function_name_long): ...here.
2741 * dwarf2out.c (new_loc_descr): Use calloc.
2742 (splice_child_die): Remove the die from the right parent.
2743 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2745 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2747 * toplev.c (decode_g_option): Don't give warning for unknown -g
2748 option; return 0 instead.
2749 (main): If -g option is not recognized by front end or
2750 language-independent code, give warning.
2752 2000-08-28 Greg McGary <greg@mcgary.org>
2754 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2755 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2756 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2758 2000-08-27 Greg McGary <greg@mcgary.org>
2760 * cpplex.c (parse_string): Don't look for backslash
2761 before first char in `namebuf'.
2762 * loop.c (strength_reduce): Skip NOTEs.
2764 2000-08-27 Jason Merrill <jason@redhat.com>
2766 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2767 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2768 TREE_ASM_WRITTEN, either.
2769 (finish_decl): Adjust.
2771 2000-08-28 Philipp Thomas <pthomas@suse.de>
2773 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2774 they have been incorporated into the gettext CVS. Change the text to
2775 reflect the current status of NLS. Add instructions for accessing
2776 the gettext CVS and add the patch from Martin v. Loewis.
2778 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2780 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2781 by using gen_lowpart_common.
2782 (movdi_internal64+6): Likewise.
2784 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2786 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2789 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2790 numbers to the ranges used by GDB.
2792 2000-08-25 Richard Henderson <rth@cygnus.com>
2794 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2795 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2796 (ia64_expand_prologue): Likewise.
2797 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2798 argument for stdargs.
2800 2000-08-25 Jason Merrill <jason@redhat.com>
2802 * integrate.c (expand_inline_function): Pull out the original decl.
2804 2000-08-25 Jim Wilson <wilson@cygnus.com>
2806 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2808 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2810 2000-08-25 Greg McGary <greg@mcgary.org>
2812 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2813 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2815 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2817 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2819 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2821 * i386.c (ix86_find_base_term): New.
2822 * i386-protos.h (ix86_find_base_term): Prototype.
2823 * i386.h (FIND_BASE_TERM): Define.
2824 * alias.c (find_base_term): Use it.
2825 * tm.texi (FIND_BASE_TERM): Document it.
2827 * alias.c (true_dependence, write_dependence_p): Unchanging
2828 memory can't conflict with non-unchanging memory.
2830 * alias.c (memrefs_conflict_p): A BLKmode reference
2831 to a symbol (or CONST_INT address) always conflicts
2832 with a reference to another symbol.
2834 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2836 * c-common.c (time_char_table): Don't allow width and flags with
2839 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2841 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2842 way as LT and LTU when the second operand has 0 in low word.
2844 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2846 * basic-block.h (struct loop): Rename `exits' field to
2847 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2849 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2850 (flow_loop_entry_edges_find): Add.
2851 (flow_edge_list_print): Rename from flow_exits_print.
2852 (flow_loops_find): Call flow_loop_entry_edges_find.
2853 (flow_loop_dump): Dump entry_edges list.
2854 (flow_loops_free): Free entry_edges.
2856 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2858 * loop.c (loop_dump_aux, debug_loop): New functions.
2859 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2861 * flow.c (flow_loops_dump): Add callback parameter.
2862 (flow_loop_dump): Add callback parameter and call it. Move
2863 loop note debugging code to loop_dump_aux.
2865 * basic-block.h (flow_loop_dump): Add callback parameter
2866 (flow_loops_dump): Likewise.
2868 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2869 to call to flow_loops_dump.
2871 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2873 * loop.c (count_loop_regs_set): Replace start and end arguments
2874 with loop argument. All callers udated.
2876 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2878 * loop.c (constant_high_bytes): Delete.
2880 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2882 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2883 and NOTE_INSN_LOOP_VTOP to...
2884 (find_and_verify_loops) ...here.
2886 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2888 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2889 (fini_dummy, init_dummy): Use it.
2891 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2893 * cpplex.c (is_macro_disabled): Caller has already checked
2894 that we're not a preprocessed file.
2896 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2898 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2899 (c-iterate.o): Remove target.
2900 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2901 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2902 (finish_decl): Don't handle iterators.
2903 (grokdeclarator): Likewise.
2904 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2905 * gcc/c-gperf.h: Regenerated.
2906 * gcc/c-iterate.c: Removed.
2907 * gcc/c-lex.c (init_lex): Don't handle iterators.
2908 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2909 (compstmt_primary_start): Remove push_iterator_stack call.
2910 (stmt): Don't allow iterator statements. Replace iterator_expand
2911 with expand_expr_stmt.
2912 (all_iter_stmt): Remove.
2913 (all_iter_stmt_simple): Likewise.
2914 (all_iter_stmt_with_decl): Likewise.
2915 * gcc/c-tree.h (ITERATOR_P): Remove.
2916 (ITERATOR_BOUND_P): Likewise.
2917 (init_iterators): Remove declaration.
2918 (iterator_expand): Likewise.
2919 (iterator_for_loop_start): Likewise.
2920 (iterator_for_loop_end): Likewise.
2921 (iterator_for_loop_record): Likewise.
2922 (push_iterator_stack): Likewise.
2923 (pop_iterator_stack): Likewise.
2924 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2925 (readonly_warning): Likewise.
2926 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2928 2000-08-24 Jim Wilson <wilson@cygnus.com>
2930 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2931 Copy type in a TYPE_DECL, just like pushdecl does.
2933 2000-08-24 Richard Henderson <rth@cygnus.com>
2935 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2937 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2939 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2940 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2941 the extras on the free list.
2942 (release_pages): Clean up.
2943 (ggc_set_mark): Don't adjust G.allocated here...
2944 (sweep_pages): ... do it here.
2946 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2948 * cppfiles.c (read_include_file): Rearrange initializations.
2950 2000-08-24 Richard Henderson <rth@cygnus.com>
2952 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2954 * config/ia64/ia64-protos.h: Update.
2955 * config/ia64/ia64.c (gr_register_operand): New.
2956 (fr_register_operand, grfr_register_operand): New.
2957 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2958 (grfr_reg_or_8bit_operand): New.
2959 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2960 use gr_register_operand.
2961 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2962 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2963 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2964 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2965 (fr_reg_or_fp01_operand): Likewise.
2966 (not_postinc_memory_operand): New.
2967 (ia64_split_timode): Remove unused variables.
2968 (rtx_needs_barrier): Check arguments to cmpxchg.
2969 (builtin_description): Remove.
2970 (bdesc_2argsi, bdesc_2argdi): Remove.
2971 (ia64_init_builtins): Declare all builtins directly.
2972 (ia64_expand_fetch_and_op): Rewrite to be called from
2973 ia64_expand_builtin directly. Use expand_binop and co.
2974 (ia64_expand_op_and_fetch): Likewise.
2975 (ia64_expand_compare_and_swap): Likewise.
2976 (ia64_expand_binop_builtin): Remove.
2977 (ia64_expand_lock_test_and_set): New.
2978 (ia64_expand_lock_release): New.
2979 (ia64_expand_builtin): Use them.
2980 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2981 (EXTRA_CONSTRAINT): Use it.
2982 (PREDICATE_CODES): Update.
2983 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2984 (mf): Indicate that we set memory as well as use it.
2985 (fetchadd_acq_si): Show memory being modified as well.
2986 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2987 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2988 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2989 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2990 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2991 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2992 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2993 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2994 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2995 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2996 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2997 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2998 return type. Pretty print definitions.
3000 2000-08-24 Jim Wilson <wilson@cygnus.com>
3002 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3003 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3005 2000-08-24 Jason Merrill <jason@redhat.com>
3007 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3008 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3009 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3010 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3012 2000-08-24 Greg McGary <greg@mcgary.org>
3014 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3015 and extendtab within their proper array boundaries.
3016 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3017 for the entire array.
3019 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3020 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3021 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3022 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3023 * config/i386/dgux.c (output_options): Likewise.
3024 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3025 * config/m88k/m88k.c (output_options): Likewise.
3026 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3027 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3028 layout_mcore_frame, handle_structs_in_regs): Likewise.
3029 * config/mips/mips.c (output_block_move): Likewise.
3030 * config/rs6000/rs6000.c (rs6000_override_options,
3031 rs6000_file_start): Likewise.
3032 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3033 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3034 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3035 * builtins.c (expand_builtin_setjmp): Likewise.
3036 * expr.c (safe_from_p): Likewise.
3037 * flow.c (life_analysis): Likewise.
3038 * fold-const.c (size_int_type_wide): Likewise.
3039 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3040 * genattrtab.c (make_length_attrs): Likewise.
3041 * genopinit.c (gen_insn): Likewise.
3042 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3043 * global.c (global_alloc): Likewise.
3044 * local-alloc.c (find_free_reg): Likewise.
3045 * mips-tdump.c (print_symbol): Likewise.
3046 * mips-tfile.c (parse_def, parse_input): Likewise.
3047 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3048 * stmt.c (expand_nl_goto_receiver): Likewise.
3049 * stor-layout.c (set_sizetype): Likewise.
3050 * varasm.c (decode_reg_name): Likewise.
3051 * toplev.c (decode_f_option, decode_W_option,
3052 set_target_switch, print_switch_values): Likewise.
3053 (NUM_ELEM): Remove macro.
3054 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3056 2000-08-24 Greg McGary <greg@mcgary.org>
3058 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3059 (MAIN_NAME_P, main_identifier_node): New macros.
3060 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3061 * c-decl.c (start_decl, grokdeclarator, start_function,
3062 store_parm_decls, finish_function): Use MAIN_NAME_P.
3063 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3064 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3065 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3066 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3068 2000-08-24 Greg McGary <greg@mcgary.org>
3070 * cppfiles.c (actual_directory): Don't write beyond `dir'
3071 when it contains "".
3072 * real.c (asctoeg): Stay within bounds of etens[][].
3074 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3076 * dependence.c (dependence_string, direction_string,
3077 dump_one_node, dump_node_dependence): Hide unused identifiers.
3078 (get_low_bound, normalize_coefficients): Match definition to
3080 (get_one_coefficient): Initialize variables `value0_is_idx' and
3082 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3083 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3084 (direction_merge): Avoid automatic aggregate initialization.
3085 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3086 Initialize variables `dest_idx' and `src_idx'.
3087 (end_dependence_analysis): Avoid C89 style function definition.
3089 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3091 * c-common.c (time_char_table): Don't allow width with %F.
3092 (check_format_info): Don't allow "Z" length with scanf.
3094 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3096 * diagnostic.c (finish_diagnostic): Define.
3097 (output_do_printf): Use wrap_text instead of output_add_string.
3098 (default_print_error_function): Avoid embedded '\n'.
3100 * diagnostic.h (flush_diagnostic_buffer): Declare.
3102 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3104 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3106 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3108 * Makefile.in (GCC_PASSES): Add specs.
3110 2000-08-23 Jim Wilson <wilson@cygnus.com>
3112 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3113 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3114 EHANDLER nor UHANDLER bit is set.
3115 (__get_except_table): Likewise.
3117 2000-08-23 Nick Clifton <nickc@redhat.com>
3119 * config/arm/lib1funcs.asm: Replace upper case condition codes
3120 with lower case versions.
3122 * config/arm/arm.h (STRUCT_VALUE): Define.
3123 (STRUCT_VALUE_REGNUM): Delete.
3125 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3127 * cpphash.h (IN_I): New flag for directive table.
3128 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3130 (_cpp_check_directive): If -fpreprocessed, execute directives
3131 marked with IN_I. Issue no warnings in this case.
3132 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3134 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3136 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3138 (check_format_info): Support printf 'I' flag; warn about it with
3141 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3143 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3144 barrier can't be ignored by the alias analysis code.
3146 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3148 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3149 works inside fixincl.
3151 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3153 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3154 simplify_relational_operation() unless both operands are of
3156 * cse.c (fold_rtx): Likewise.
3158 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3160 * rtlanal.c (rtx_unstable_p): The pic register is stable
3161 (within one function) and the actual rtx should be used
3162 when checking the registers.
3163 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3165 * alias.c (true_dependence, write_dependence_p): Fix
3166 bug in previous patch.
3168 * i386.c (ix86_GOT_alias_set): New.
3169 (legitimize_pic_address): Use it.
3171 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3172 only stable if its address is stable.
3173 (rtx_varies_p): An unchanging MEM can't vary if
3174 its address doesn't vary.
3176 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3180 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3182 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3183 * x-vax-gcc: New file for bootstrapping with gcc.
3184 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3185 * configure.in: Use x-vax-gcc with gcc.
3186 * configure: Rebuilt.
3188 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3190 * toplev.c (rest_of_compilation): Rebuild label notes after
3191 post-reload splitting pass if new labels have been created.
3193 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3195 * diagnostic.h (output_buffer_state): New macro.
3196 * diagnostic.c (diagnostic_for_decl, sorry,
3197 default_print_error_function, output_do_verbatim,
3198 report_diagnostic, report_problematic_module): Use it.
3200 (output_format): Use wrap_text instead of maybe_wrap_text.
3202 2000-08-22 Nick Clifton <nickc@redhat.com>
3204 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3205 Common code for ARM divide and modulus functions.
3206 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3208 (FUNC_END): New macro: Common code at the end of the division and
3210 (THUMB_FUNCTION_START): New macro: Common code at the start of
3212 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3214 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3216 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3218 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3219 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3222 2000-08-22 Nick Clifton <nickc@redhat.com>
3224 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3225 restorative additions, test for bottom bits of IP being set,
3226 rather than relying upon the RORs not matching.
3229 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3231 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3232 text_section() as appropriate instead of emitting text csect
3234 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3235 (UNIQUE_SECTION): Define macro.
3236 (ASM_OUTPUT_SECTION_NAME): Define macro.
3237 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3238 on AIX if debugging and -fdata-sections always.
3240 2000-08-22 Steven King <sxking@uswest.net>
3242 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3244 (LDBL_MAX): Same here.
3246 2000-08-22 Richard Henderson <rth@cygnus.com>
3248 * flow.c (tidy_fallthru_edge): Update b->end properly.
3250 2000-08-22 Stan Cox <scox@redhat.com>
3252 * Makefile.in (OBJS): Add dependence.o.
3253 * dependence.c: New file.
3255 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3257 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3259 (check_sibcall_argument_overlap): Likewise.
3261 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3263 * invoke.texi (SH Options): Document -m4-nofpu,
3264 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3265 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3267 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3269 * c-common.c (check_format_info): Give the 'some locales' warning
3270 for strftime %Ey rather than the unconditional 'only last 2 digits
3273 2000-08-22 Richard Henderson <rth@cygnus.com>
3275 * alias.c (init_alias_analysis): Do not register
3276 struct_value_incoming_rtx or static_chain_rtx as pointing
3279 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3281 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3283 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3285 * diagnostic.h (report_problematic_module): Declare.
3286 * diagnostic.c (report_problematic_module): New function.
3287 (report_error_function): Tweak.
3289 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3291 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3292 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3294 2000-08-21 Richard Henderson <rth@cygnus.com>
3296 * flow.c (calculate_global_regs_live): Mark frame pointer live
3297 everywhere before reload.
3299 2000-08-21 Jim Wilson <wilson@cygnus.com>
3301 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3302 INTEL_EXTENDED_IEEE_FORMAT.
3303 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3304 clear last two bytes of output FP value.
3306 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3308 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3310 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3312 * unroll.c (loop_find_equiv_value): If ret is modified between
3313 insn and loop_start, ret might not be equivalent to reg.
3315 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3317 * c-common.c (init_dollar_format_checking,
3318 maybe_read_dollar_number, finish_dollar_format_checking): New
3320 (dollar_arguments_used, dollar_arguments_count,
3321 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3323 (check_format_info): Support $ formats for scanf and printf width
3324 and precision. Always increment format_chars to advance past the
3325 '*' of precision, not just when the format parameters are
3328 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3330 * mips.c (block_move_loop, expand_block_move,
3331 function_arg_partial_nregs, save_restore_insns, function_prologue,
3332 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3334 (function_arg_advance, function_arg): Match argument to format
3337 2000-08-21 Nix <nix@esperi.demon.co.uk>
3339 * gcc.c (do_spec_1): Implement %j spec flag.
3340 Remove dead comment.
3342 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3343 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3344 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3345 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3347 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3348 writable) instead of hardcoded value.
3350 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3352 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3355 * gcc.c (cc1_options): Do not process -o or run the assembler if
3357 * objc/lang-spec.h: Likewise.
3359 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3361 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3362 "external" fixes through `cat', to avoid truncating the input
3363 file by redirection.
3365 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3367 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3369 (lea_general_2, lea_general_3): Likewise.
3371 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3374 warnings to user code.
3376 * c-lex.c (readescape, yylex): Likewise.
3378 * c-typeck.c (store_init_value, process_init_element): Likewise
3379 (c_expand_start_case): Format.
3381 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3383 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3385 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3386 and linker_endian_spec to endian_spec.
3387 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3388 (LINK_SPEC): Remove %{EB} and %{EL}.
3389 (ASM_SPEC): Likewise. Use %(endian_spec).
3391 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3393 * c-tree.h (flag_hosted): Move declaration from here...
3394 * c-common.h (flag_hosted): ... to here.
3395 (flag_noniso_default_format_attributes): New declaration.
3396 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3397 (c_decode_option): Set it appropriately for options choosing
3398 language standard variant.
3399 * c-common.c (init_function_format_info): Only provide default
3400 format attributes if flag_hosted. Only provide the gettext
3401 formats if flag_noniso_default_format_attributes. Update
3403 (check_format_info): Disable treatment of %a as a scanf flag in
3406 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3408 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3410 (check_format_info): Set 'wide' for scanf format widths. Warn for
3411 a zero scanf width. Make the check for writing into a constant
3412 object at the first level of indirection; at later levels, warn if
3413 any type qualifiers are encountered.
3415 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3417 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3419 (push_reload): Use reload_inner_reg_of_subreg.
3420 (combine_reloads): Do not combine reloads if the input reload
3421 is a SUBREG in which the inner part will need reloading.
3423 * global.c (global_alloc): Avoid passing dumpfile argument to
3425 * toplev.c (rest_of_compilation): Likewise.
3426 * reload.h (reload): Remove dumpfile argument. Callers changed.
3427 (debug_reload, debug_reload_to_stream): Move prototypes here.
3428 * rtl.h (reload): Remove dumpfile argument.
3429 * reload.c (debug_reload): Remove prototype.
3430 (debug_reload_to_stream): Likewise.
3431 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3434 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3436 * diagnostic.c (context_as_prefix): Export.
3437 (need_error_newline): Remove.
3438 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3439 (error_module_changed, record_last_error_module,
3440 error_function_changed, record_last_error_function): New functions.
3441 (initialize_diagnostics): Default intialize
3442 lang_diagnostic_starter, lang_diagnostic_finalizer.
3443 (init_output_buffer): Tweak.
3444 (file_name_as_prefix): New function.
3445 (announce_function, default_print_error_function,
3446 report_error_function, set_diagnostic_context): Tweak.
3448 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3450 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3451 condition expression.
3453 2000-08-20 Richard Henderson <rth@cygnus.com>
3455 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3457 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3459 * cppinit.c (cpp_init): Set global flag when called.
3460 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3462 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3464 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3465 before `process_directive' so that newlines won't be missed
3467 (cpp_printf): Increment `print->lineno' when newline is emitted.
3469 * cppmain.c (cb_ident): Likewise.
3470 (cb_define): Likewise.
3471 (cb_undef): Likewise.
3472 (cb_include): Likewise.
3473 (cb_def_pragma): Likewise.
3474 (dump_macros_helper): Likewise.
3476 2000-08-20 Richard Henderson <rth@cygnus.com>
3478 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3479 assigned before a loop.
3481 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3482 (ashrsi3, lshrsi3): Likewise.
3484 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3486 * c-lang.c: #include diagnostic.h
3487 (c_tree_printer): New function.
3488 (lang_init): Initialize lang_printer.
3490 * Makefile.in (c-lang.o): Depends on diagnostic.h
3492 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3494 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3496 * diagnostic.c (default_diagnostic_starter,
3497 default_diagnostic_finalizer): New functions.
3498 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3499 (pedwarn, pedwarn_with_file_and_line, error,
3500 error_with_file_and_line, fatal, warning,
3501 warning_with_file_and_line): Adjust call to report_diagnostic.
3502 (report_diagnostic): Rework.
3503 (set_diagnostic_context): New function.
3505 * diagnostic.h (struct diagnostic_context): New data structure.
3506 (diagnostic_message, diagnostic_argument_list,
3507 diagnostic_file_location, diagnostic_line_location,
3508 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3509 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3510 (set_diagnostic_context): Declare.
3511 (report_diagnostic): Change prototype.
3513 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3515 * fix-header.c (main): Initialize cpplib.
3517 2000-08-19 Michael Meissner <meissner@redhat.com>
3519 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3520 instructions in it before checking for indirect jumps.
3522 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3523 in a indirect jump as a potential for conditional execution.
3525 * d30v.h (d30v_init_expanders): Don't declare here.
3526 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3529 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3531 * cpp.texi: Add @section for assertions.
3533 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3535 * loop.c (scan_loop): Use CONST_CALL_P instead of
3536 checking for REG_LIBCALL / REG_RETVAL.
3538 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3540 * reload1.c (reload_as_needed): Accept dumpfile argument,
3541 pass it to emit_reload_insns.
3542 (emit_reload_insns): Add new dumpfile argument. If non-null
3543 then dump the reloads for each insn into the dumpfile.
3544 (reload): Pass dumpfile to reload_as_needed.
3546 * invoke.texi: Clean up linux-gnu vs linux comments.
3548 2000-08-19 Richard Henderson <rth@cygnus.com>
3550 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3551 (ia64_depz_field_mask): New.
3552 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3553 (PREDICATE_CODES): Update.
3554 * config/ia64/ia64.md: Update commentary.
3555 (depz_internal): New.
3556 (ashlsi3): Implement directly.
3557 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3558 (ashldi3): Use shladd.
3559 * config/ia64/ia64-protos.h: Update.
3561 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3563 * toplev.c (independent_decode_option): Always process -g.
3564 Remove third argument, now unused. Adjust caller to match.
3566 2000-08-18 Richard Henderson <rth@cygnus.com>
3568 * combine.c (make_compound_operation): Break after creating
3571 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3573 * cpplib.c (cpp_register_pragma_space): Just return if the
3574 namespace is already registered.
3576 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3578 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3579 constant amount. Do not generate ROTL instruction.
3581 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3583 * config/sh/elf.h: Do not include sh/sh.h.
3584 * config/sh/rtems.h: Likewise.
3585 * config/sh/rtemself.h: Do not include sh/elf.h.
3586 * configure.in: Get them included with `tm_file's.
3587 * configure: Rebuilt.
3589 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3590 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3592 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3594 * stor-layout.c (compute_record_type): Don't use mode of single
3595 field as mode of record if not integer mode of same type.
3597 * regmove.c (perhaps_ends_bb_p): New function.
3598 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3599 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3600 (fixup_match_1): Likewise.
3601 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3602 avoid signed/unsigned warnings.
3604 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3607 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3609 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3610 (_cpp_trigraph_map): Declaration moved from cpplex.c
3612 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3613 instead of 256. Use consistent test for designated initializers.
3614 (cpp_init): Initialize trigraph_map.
3615 (initialize_standard_includes, parse_option): Use memcmp
3618 * cpplex.c (init_trigraph_map): Remove.
3619 (trigraph_ok, trigraph_replace, lex_line): Refer to
3622 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3623 (do_unassert): Remove unused "next" local.
3625 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3627 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3629 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3632 2000-08-17 Richard Henderson <rth@cygnus.com>
3634 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3635 the first insn in a sequence.
3637 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3639 * alias.c (true_dependence, write_dependence_p): A read
3640 involving a label_ref or the constant pool doesn't create
3643 * rtl.h (unchanging): Improve documentation.
3645 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3647 * cse.c (insert_regs): Remove unused `regno'.
3649 2000-08-17 Neil Booth <NeilB@earthling.net>
3651 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3652 remove_dup_dirs. If qtail == brack, remove brack not
3654 (remove_dup_dir, remove_dup_dirs): New functions.
3656 2000-08-17 Neil Booth <NeilB@earthling.net>
3658 * cppinit.c (cpp_cleanup): Free include dir chains.
3659 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3660 (do_unassert): Free the assert with _cpp_free_definition.
3661 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3662 assertions. Make the node a T_VOID node.
3664 2000-08-17 Neil Booth <NeilB@earthling.net>
3666 * cppinit.c (path_include, append_include_chain):
3667 Remove 2nd parameter (struct cpp_pending *).
3668 (path_include, initialize_standard_includes, cpp_handle_option):
3669 Update callers appropriately.
3670 (cpp_handle_option): Use pend.
3672 2000-08-17 Neil Booth <NeilB@earthling.net>
3674 * cppinit.c (sort_options): Remove, put functionality in
3677 (initialize_builtins): Free memory.
3678 (cpp_start_read): Move init_IStable to cpp_init.
3680 * cpplib.h (cpp_init): New prototype.
3681 * cppmain.c (main): Call cpp_init.
3683 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3685 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3686 (rtx_unstable_p, rtx_varies_p): Process vectors.
3688 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3690 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3691 references to GLOBAL symbols. Use LOCAL where appropriate.
3693 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3696 use t-aix41 when host == target.
3698 2000-08-16 Richard Henderson <rth@cygnus.com>
3700 * reload.c (push_secondary_reload): Revert last change.
3701 If we use a reload_in/out pattern, make the when the same
3702 as the primary reload.
3703 (find_reloads): Likewise.
3705 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3707 * configure.in (libstdcxx-v3): Fix test.
3708 * configure: Regenerate.
3710 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3712 * calls.c (calls_function_1, expand_call): Only test
3713 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3714 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3716 2000-08-16 Richard Henderson <rth@cygnus.com>
3718 * combine.c (simplify_shift_const): Revert previous two
3719 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3720 before the main loop.
3722 2000-08-15 Richard Henderson <rth@cygnus.com>
3724 * combine.c (simplify_shift_const): Bound shift count when
3727 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3729 * calls.c (ECF_SP_DEPRESSED): New macro.
3730 (calls_function_1): Treat calling sp-depressed function as alloca.
3731 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3732 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3733 If sp-depressed, ensure block saves and restores SP.
3734 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3736 * function.c (keep_stack_depressed): New function.
3737 (thread_prologue_and_epilogue_insns): Call it.
3738 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3739 to print DECL_OFFSET_ALIGN.
3740 Print no-force-blk and transparent-union flags properly.
3741 * stmt.c (expand_goto_internal): Don't restore stack if last block
3742 and function returns with sp depressed.
3743 (fixup_gotos): Likewise.
3744 (save_stack_pointer): New function, from code in expand_decl.
3745 (expand_decl): Call new function.
3746 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3747 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3748 (save_stack_pointer): New declaration.
3750 * diagnostic.c (fatal_function): New variable.
3751 (set_fatal_function): New function.
3753 * diagnostic.h (set_fatal_function): New declaration.
3755 2000-08-15 William Cohen <wcohen@redhat.com>
3757 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3758 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3759 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3761 2000-08-15 Richard Henderson <rth@cygnus.com>
3763 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3765 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3767 * arm.c (arm_function_ok_for_sibcall): New function.
3768 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3769 * arm.md (call expanders): Don't check here for calls that can't
3772 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3774 * arm.md (splits generating cond_exec): Disable.
3776 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3778 * arm/linux-elf.h (text_section): Delete declaration.
3780 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3782 ARM support for unordered FP operations.
3783 * arm-protos.h (arm_comparison_operator): Declare.
3784 * arm.c (arm_comparison_operator): New function.
3785 (arm_select_cc_mode): Add unordered comparison codes.
3786 (get_arm_condition_code): Likewise.
3787 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3788 be done in one insn.
3789 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3790 * arm.md (all uses of comparison_operator): Replace with
3791 arm_comparison_operator.
3792 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3794 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3797 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3799 * gthr-posix.h: Conditionally include <sched.h>; include
3800 <config.h> from libobjc/.
3802 2000-08-14 Richard Henderson <rth@cygnus.com>
3804 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3807 2000-08-14 Richard Henderson <rth@cygnus.com>
3809 * configure.in (ia64-*): Set float_format for i386 long double.
3811 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3812 as we would for i386 XFmode.
3813 (PUT_REAL): Likewise.
3814 (endian, ereal_atof, real_value_truncate): Likewise.
3815 (ereal_isneg, toe64, etens, make_nan): Likewise.
3816 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3818 * config/ia64/ia64-protos.h: Update.
3819 * config/ia64/ia64.c (general_tfmode_operand): New.
3820 (destination_tfmode_operand): New.
3821 (tfreg_or_fp01_operand): New.
3822 (ia64_split_timode): New.
3823 (spill_tfmode_operand): New.
3824 (ia64_expand_prologue): Use TFmode not XFmode.
3825 (ia64_expand_epilogue): Likewise.
3826 (ia64_function_arg): Likewise.
3827 (ia64_function_arg_advance): Likewise.
3828 (ia64_return_in_memory): Likewise.
3829 (ia64_function_value): Likewise.
3830 (ia64_print_operand): Likewise.
3831 (ia64_register_move_cost): Set GR<->FR to 5.
3832 (ia64_secondary_reload_class): Get GR for TImode memory op.
3833 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3834 (ROUND_TYPE_ALIGN): Remove.
3835 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3836 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3837 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3838 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3839 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3840 (CLASS_MAX_NREGS): Likewise.
3841 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3842 (PREDICATE_CODES): Update.
3843 * config/ia64/ia64.md (movti): New.
3844 (movti_internal): Use a clobber for memory alternatives.
3845 (reload_inti, reload_outti): New.
3846 (movsfcc_astep): Predicate properly.
3847 (movdfcc_astep): Likewise.
3850 (extendsftf2, extenddftf2): New.
3851 (trunctfsf2, trunctfdf2): New.
3852 (floatditf2, fix_trunctfdi2): New.
3853 (floatunsditf2, fixuns_trunctfdi2): New.
3854 (addtf3, subtf3, multf3, abstf2): New.
3855 (negtf2, nabstf2, mintf3, maxtf3): New.
3856 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3858 (fr_spill): Use TFmode, not XFmode.
3859 (fr_restore): Likewise.
3860 * config/ia64/lib1funcs.asm (__divtf3): New.
3861 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3863 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3865 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3867 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3868 `U' integer constant suffix.
3870 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3873 * sparc/sol2.h (__enable_execute_stack): Prototype.
3875 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3877 * collect2.c: Remove use of AIX import file.
3879 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3881 * rs6000.c (print_operand, case 'E'): Add else.
3883 2000-08-14 Richard Henderson <rth@cygnus.com>
3885 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3886 (movdi_symbolic): New.
3888 2000-08-14 Jim Wilson <wilson@cygnus.com>
3890 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3891 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3892 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3895 2000-08-14 Richard Henderson <rth@cygnus.com>
3897 * expr.c (emit_group_load): Don't force constants into registers.
3898 Special case source already in the correct mode.
3900 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3902 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3903 * fixinc/inclhack.def: Likewise.
3904 * fixinc/mkfixinc.sh: Likewise.
3905 * configure: Regenerate.
3906 * fixinc/fixincl.x: Regenerate.
3907 * install.texi: Document equivalence of linux and linux-gnu.
3909 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3911 * cse.c (insert_regs): Also in REG case: When finding an invalid
3912 value, and we make a new quantity, make sure that it won't be
3913 mistaken by for a valid one by mention_regs.
3915 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3917 * h8300.md: Remove obsolete peepholes.
3919 2000-08-13 Kazu Hirata <kazu@hxi.com>
3921 * invoke.texi (H8/300 Options): Fix typos.
3922 * config/h8300.c: Fix formatting.
3923 * config/h8300.h: Fix comment typos.
3924 (OVERRIDE_OPTIONS): Fix formatting.
3926 * function.c: Fix formatting.
3928 * cse.c: Fix formatting.
3930 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3932 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3933 (attempt_auto_inc): Suppress parentheses warning.
3934 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3935 * loop.c (load_mems): Remove `u' suffix in two places.
3936 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3938 * config/rs6000/rs6000.h: Likewise.
3939 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3940 __eabi dummy routine.
3941 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3944 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3945 not put stuff in .sdata unnecessarily.
3946 (rs6000_unique_section): New function.
3947 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3948 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3950 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3951 arrays in C99. Don't try to look at DECL_REGISTER of a
3952 COMPONENT_REF. Don't complain twice about the same error.
3954 * fixinc/inclhack.def (aix_pthread): New fix.
3955 (aix_sysmachine): New fix.
3956 * fixinc/fixincl.x: Regenerate.
3958 * expr.c (expand_expr): Call convert_modes when turning a large
3959 multiply into a small one.
3961 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3963 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3964 the tree structure an exponent rather than an explicit alignment
3965 so it doesn't overflow.
3966 (SET_DECL_OFFSET_ALIGN): New macro.
3967 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3968 rather than DECL_OFFSET_ALIGN.
3969 (place_field): Likewise.
3970 * expmed.c (store_bit_field): Abort on align==0 to avoid
3971 antisocial machine behaviour.
3973 2000-08-12 Richard Henderson <rth@cygnus.com>
3975 * sibcall.c (uses_addressof): Accept both addressof and
3976 current_function_internal_arg_pointer inside a mem.
3977 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3978 if current_function_uses_addressof.
3979 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3982 2000-08-11 Richard Henderson <rth@cygnus.com>
3984 * config/ia64/ia64.md (addsi3): Remove expander.
3985 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3986 (*addsi3_shladd): New.
3988 2000-08-11 Richard Henderson <rth@cygnus.com>
3990 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3991 (do_restore): Likewise.
3992 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3993 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3994 (rtx_needs_barrier): Track actual bit manipulation for
3995 ar.unat moves, gr_spill, and gr_restore.
3996 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3997 (process_set): Don't handle varargs spills.
3998 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3999 .mem.offset here instead of in process_set.
4000 (gr_restore): Likewise.
4002 2000-08-11 Richard Henderson <rth@cygnus.com>
4004 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4006 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4008 * gcc.texi (The Configuration File): Document
4009 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4010 UPDATE_PATH_HOST_CANONICALIZATION.
4012 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4014 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4015 unprototyped function pointer casts on integer constants.
4017 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4019 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4021 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4023 * extend.texi (Volatiles): Fix typos.
4025 2000-08-11 Kazu Hirata <kazu@hxi.com>
4027 * flow.c: Fix formatting.
4029 2000-08-11 Richard Henderson <rth@cygnus.com>
4031 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4032 pattern, always allocate a tertiary scratch register.
4034 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4035 (reload_inhi): Likewise.
4037 2000-08-11 Richard Henderson <rth@cygnus.com>
4039 * function.c (put_reg_into_stack): Allow type to be NULL.
4040 (schedule_fixup_var_refs): Likewise.
4041 (gen_mem_addressof): Allow decl to be NULL.
4042 (put_addressof_into_stack): Likewise.
4044 * flow.c (merge_blocks_nomove): Be more careful about
4045 locating the beginning of block A.
4047 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4049 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4054 * config.in: Reverted the check for <sched.h>.
4056 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4058 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4059 macros define the name of CTOR and DTOR sections.
4060 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4061 DTOR_LIST_END): Change to use attributes to specify
4063 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4064 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4065 DTOR_LIST_END): Same as in mips/elf.h.
4067 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4069 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4070 disabling just crt0.o.
4072 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4074 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4075 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4076 (EXTRA_SPECS): Add them.
4077 * arm/lib1funcs.asm: Support builds for interworking.
4078 Use macros to eliminate duplicated pieces of code.
4080 2000-08-10 Kazu Hirata <kazu@hxi.com>
4082 * h8300.c (expand_a_rotate): New.
4083 (emit_a_rotate): Likewise.
4084 (h8300_adjust_insn_length): Add support for the rotate insns.
4085 * h8300.md (rotlqi3): New.
4086 (*rotlqi3_1): Likewise.
4087 (rotlhi3): Likewise.
4088 (*rotlhi3_1): Likewise.
4089 (rotlhi3): Likewise.
4090 (*rotlhi3_1): Likewise.
4091 * h8300-proto.h: Add prototypes for expand_a_rotate and
4094 * h8300.c: Fix comment typos.
4095 (dosize): Declare the variable amount as unsigned.
4096 (get_shift_alg): Fix a comparison between signed and unsigned.
4097 (emit_a_shift): Likewise.
4098 (h8300_adjust_insn_length): Simplify the code.
4100 * c-decl.c: Fix formatting.
4102 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4104 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4105 warning about non-traditional numeric constant suffixes.
4107 * cppexp.c (parse_number): Likewise.
4109 * invoke.texi: (-Wtraditional): Document new behavior.
4111 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4113 * gthr-posix.h: Include auto-host.h. Conditionally include
4115 * configure.in: Check for the <sched.h> header file.
4116 * config.in: Added define for HAVE_SCHED_H.
4118 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4120 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4121 initialization of unions.
4123 * invoke.texi (-Wtraditional): Document new behavior.
4125 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4127 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4128 instead of extra_c_flags.
4129 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4130 * configure: Regenerate.
4131 * config.in: Regenerate.
4133 * cpperror.c (cpp_type2name): New function.
4134 * cpplex.c (lex_line): If we issued an error for an invalid
4135 preprocessing directive, discard that logical line.
4136 * cpplib.c (do_line): Call a hook function if the current file
4137 is renamed by #line.
4138 (do_ident): Pass the contents of the string, not the entire
4139 token, to the callback function.
4140 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4141 (cb.rename_file): New hook function.
4142 (cb.ident): Adjust prototype.
4143 (cpp_type2name): Prototype.
4144 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4146 * cppmain.c (cb_ident): Update for changed interface.
4147 (cb_rename_file): New function.
4148 (main): Set rename callback.
4150 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4152 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4153 multi-word registers.
4155 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4157 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4158 or ISO C89 instead of ANSI C.
4159 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4160 build_enumerator, do_case): Likewise.
4161 * c-lex.c (parse_float, yylex): Likewise.
4162 * c-parse.in: Likewise.
4163 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4164 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4165 build_c_cast, convert_for_assignment, set_init_index,
4166 set_init_label, c_expand_start_case): Likewise.
4167 * toplev.c (documented_lang_options, display_help): Likewise.
4169 2000-08-08 Kazu Hirata <kazu@hxi.com>
4171 * h8300.c: Fix formatting.
4172 * h8300.h: Likewise.
4173 * h8300.md: Likewise.
4174 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4176 * reload1.c: Fix formatting.
4178 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4180 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4181 Use GEN_CALL_VALUE define.
4182 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4183 * clipper/clipper.md (untyped_call): Likewise.
4184 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4185 * fx80/fx80.md (untyped_call): Likewise.
4186 * mips/mips.md (untyped_call): Likewise.
4187 * ns32k/ns32k.md (untyped_call): Likewise.
4188 * pa/pa.md (untyped_call): Likewise.
4189 * romp/romp.md (untyped_call): Likewise.
4190 * sparc/sparc.md (untyped_call): Likewise.
4192 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4194 * config/i860/i860.c (singlemove_string): Do not generate assembler
4195 pseudo instructions that must be expanded (that is, with signed
4196 constants larger than 16 bits).
4198 2000-08-08 Richard Henderson <rth@cygnus.com>
4200 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4201 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4202 (init_propagate_block_info): Don't kill memory stores at -O0.
4203 (mark_set_1, mark_used_regs): Likewise.
4205 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4207 * rs6000.c (optimization_options): Decorate 'level' as
4209 (mask64_operand): Remove sign-extend thinko.
4210 (rldic_operand): New function.
4211 (load_multiple_operation): regno's are unsigned ints.
4212 (store_multiple_operation): Likewise.
4213 (lmw_operation): Likewise.
4214 (stmw_operation): Likewise.
4215 (includes_lshift_p): shift_mask is unsigned int.
4216 (includes_lshift64_p): New function.
4217 (addrs_ok_for_quad_peep): unsigned int reg1.
4218 (print_operand): Consistently add "else" after
4219 output_operand_lossage().
4220 (print_operand, case 'b'): Fold in case 'W'.
4221 (print_operand, case 'W'): Print rldic MB value.
4222 (output_epilogue): Update Objective-C language string.
4223 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4224 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4225 * rs6000.md (ashldi3): Add rldic instruction.
4226 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4227 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4230 2000-08-08 Richard Henderson <rth@cygnus.com>
4232 * config/ia64/ia64-protos.h: Remove duplicates. Update
4233 for massive code rearrangements.
4234 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4235 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4236 (ia64_local_regs, ia64_need_regstk): Remove.
4237 (ar_ccv_reg_operand): New.
4238 (ia64_gp_save_reg): New.
4239 (struct ia64_frame_info): Combine most of the size elements;
4240 add new gr save elements.
4241 (find_gr_spill): New.
4242 (next_scratch_gr_reg): New.
4243 (mark_reg_gr_used_mask): New.
4244 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4245 to GR backing store regs when possible.
4246 (ia64_initial_elimination_offset): New.
4247 (ia64_rap_fp_offset): Remove.
4248 (save_restore_insns): Remove.
4249 (setup_spill_pointers): New.
4250 (finish_spill_pointers): New.
4251 (spill_restore_mem): New.
4252 (do_spill, do_restore): New.
4253 (ia64_expand_prologue): Rewrite to use them.
4254 (ia64_expand_epilogue): Likewise.
4255 (ia64_direct_return): Update for current_frame_info changes.
4256 (ia64_function_prologue): Simplify .prologue emission. Emit
4258 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4259 (ia64_dbx_register_number): New.
4260 (ia64_initialize_trampoline): New.
4261 (ia64_secondary_reload_class): Request GR_REGS for integer
4262 arithmetic destined for FR_REGS.
4263 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4264 (ia64_mark_machine_status): Mark ia64_gp_save.
4265 (rws_access_regno): Rename from rws_access_reg; don't treat
4266 predicates specially.
4267 (rws_access_reg): New. Update all callers.
4268 (rtx_needs_barrier): Remove dead unspecs.
4269 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4270 (ia64_encode_section_info): Silence signed/unsigned warnings.
4271 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4272 (tmp_reg, tmp_saved): Remove.
4273 (process_set): Rewrite to expect complicated bits via
4274 REG_FRAME_RELATED_EXPR.
4275 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4276 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4277 (ia64_expand_op_and_fetch): Likewise.
4278 (ia64_expand_compare_and_swap): Likewise.
4279 (ia64_expand_builtin): Likewise.
4280 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4281 (FIRST_PSEUDO_REGISTER): Update.
4282 (AR_M_REGNO_P): Update.
4283 (FIXED_REGS): Don't mark three local registers as used.
4284 (EXTRA_CC_MODES): New.
4285 (SELECT_CC_MODE): New.
4286 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4287 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4288 (FRAME_GROWS_DOWNWARD): Unset.
4289 (STARTING_FRAME_OFFSET): Zero.
4290 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4291 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4292 (HARD_FRAME_POINTER_REGNUM): New.
4293 (CAN_DEBUG_WITHOUT_FP): Define.
4294 (TRAMPOLINE_TEMPLATE): Remove.
4295 (TRAMPOLINE_SIZE): Lower to 32.
4296 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4297 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4298 (PREDICATE_CODES): Update.
4299 (struct machine_function): Add ia64_gp_save.
4300 * config/ia64/ia64.md: Purge unused unspecs.
4301 (movsi patterns): Allow moves to/from AR_M_REGS.
4302 (movdi patterns): Allow moves to/from p0.
4303 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4304 (gr_spill, gr_restore): Indicate ar.unat read/written.
4305 (nonlocal_goto): Don't pass old frame_pointer.
4306 (nonlocal_goto_receiver): Remove.
4307 (exception_receiver): New.
4308 (builtin_setjmp_setup): New.
4309 (builtin_setjmp_receiver): New.
4310 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4311 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4312 (__ia64_restore_stack_nonlocal): Likewise.
4313 (__ia64_trampoline): New.
4314 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4316 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4318 2000-08-08 Richard Henderson <rth@cygnus.com>
4320 * frame.h (ia64_frame_state): Add my_psp.
4321 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4322 (__throw): Pass it in. Don't clobber r7.
4323 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4324 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4325 and nothing to do with sp.
4326 (normalize_reg_loc): Use frame->my_psp.
4327 (frame_translate): Handle frame-pointer-less functions. Set
4328 spill_base correctly, in absence of being told.
4329 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4330 (__ia64_backtrace_helper): New sp argument. Use
4331 builtin_return_address instead of label addresses.
4332 (print_record) [mem_stack_v]: No size member.
4334 2000-08-08 Richard Henderson <rth@cygnus.com>
4336 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4338 2000-08-08 Richard Henderson <rth@cygnus.com>
4340 * tm.texi (LOCAL_REGNO): Document.
4341 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4342 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4343 * reload1.c (reload): Likewise when considering nonlocal labels.
4345 * config/ia64/ia64.h (LOCAL_REGNO): New.
4346 * config/sparc/sparc.h (LOCAL_REGNO): New.
4348 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4350 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4352 2000-08-07 Nick Clifton <nickc@redhat.com>
4354 * config/mips/mips.c: Fix compile time warning messages.
4355 * config/mips/mips-protos.h: Add prototype for equality_op.
4357 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4359 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4361 * mn10300.md: Use nonimmediate_operand instead of general_operand
4364 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4366 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4368 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4369 * sh.c (expand_block_move): Break long lines.
4370 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4371 * sh.md (mulsi3): Likewise.
4372 (movdi): Adjust spacing.
4374 2000-08-07 Richard Henderson <rth@cygnus.com>
4376 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4377 * expr.c (emit_group_store): Don't set it.
4379 2000-08-07 Kazu Hirata <kazu@hxi.com>
4381 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4382 duplicate entries for 'w' and 'z'.
4384 * flow.c: Fix a comment typo.
4386 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4388 * c-parse.in: Changed the language string for Objective-C to "GNU
4391 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4393 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4394 to improve the Posix thread support for Objective-C.
4396 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4398 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4399 CTI_UNSIGNED_PTRDIFF_TYPE.
4400 (signed_size_type_node): Define.
4401 (unsigned_ptrdiff_type_node): Define.
4402 * c-decl.c (init_decl_processing): Create the
4403 signed_size_type_node and unsigned_ptrdiff_type_node types.
4404 * c-common.c (T_SC): Define.
4407 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4408 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4410 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4411 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4412 flags for %c, %s and %[.
4413 (check_format_info): Only allow leniency for signedness of targets
4414 of character pointers (when pedantic) for formats flagged with
4415 "c", so for strings but not for %hh formats. When pedantic, don't
4416 allow character pointers to substitute for void pointers if a
4417 second level of indirection is present.
4419 2000-08-06 Kazu Hirata <kazu@hxi.com>
4421 * invoke.texi (Options for Debugging Your Program or GCC): Update
4422 the names of dump files.
4424 * h8300.c (dosize): Rearrange code for conciseness.
4425 (split_adds_subs): Likewise.
4427 * loop.c: Fix formatting.
4429 * dwarf2out.c: Fix formatting.
4431 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4433 * expr.c: Fix formatting.
4435 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4437 * rs6000.c (rs6000_maybe_dead): Prototype.
4439 2000-08-06 Richard Henderson <rth@cygnus.com>
4441 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4442 HAVE_nonlocal_goto as well.
4443 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4444 * config/pj/pj.md (nonlocal_goto): Likewise.
4446 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4448 * loop.c (try_swap_copy_prop): New function.
4449 (load_mems): Rename copies to load_copies and add new regset
4450 store_copies. Check for sets of shadow registers and mark
4451 in store_copies. Call try_swap_copy_prop for registers
4452 marked in store_copies.
4454 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4456 * objc/objc-act.c: New command line option -fconstant-string-class
4457 to allow specifying a user defined constant string class,
4458 different from NXConstantString.
4460 * toplev.c: Moved the Objective-C specific options to
4461 objc/lang-options.h.
4463 * objc/lang-options.h: Moved the Objective-C specific options from
4464 toplev.c. Added -fconstant-string-class.
4466 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4468 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4469 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4470 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4471 avoid extra alignment imposed on arrays.
4472 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4473 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4475 * mips.h: Clean up comments and spacing near MASKs.
4476 (TARGET_UNIX_ASM): Delete.
4477 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4478 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4481 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4483 * c-common.c (print_char_table): Add entries for the X/Open '
4484 format flag (print decimals with locale's thousands grouping
4485 character). Make %C expect wint_t.
4486 (check_format_info): If pedantic, warn when the %n$ operand
4487 number form is used. Allow for the ' flag; warn about it if
4490 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4492 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4493 type is a float mode, cfun->decl's return type is not, and
4494 TARGET_FLOAT_RETURNS_IN_80387.
4496 2000-08-04 Andreas Schwab <schwab@suse.de>
4498 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4499 token list, which are always `#' and `pragma'.
4501 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4503 * tree.c (tree_expr_nonnegative_p): Move to...
4504 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4505 (rtl_expr_nonnegative_p): New.
4506 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4508 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4509 CONST_DOUBLE_CHAIN: Move to...
4510 * rtl.h: ...here. Use XCINT/XCEXP.
4512 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4513 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4514 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4517 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4519 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4521 * config/c4x/c4x.md (return_indirect_internal): New.
4522 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4524 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4526 * c-common.c (time_char_table): Mark up formats added in C99 and
4527 make other corrections. %D and %g were added in C99. %Og is an
4528 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4529 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4530 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4531 %h was added in C99. %C was added in C99. %OY and %OC are
4532 extensions. Add the C99 format %F.
4533 (check_format_info): If pedantic and not in C99 mode, warn for C99
4536 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4538 * function.c (schedule_fixup_var_refs): New function, broken out
4539 of put_reg_into_stack.
4540 (put_reg_into_stack): Use it.
4541 (put_var_into_stack): In CONCAT case, fixup up references for
4542 components only after fixing up references to the whole concat.
4544 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4546 * alias.c (mark_constant_function): Use INSN_P.
4547 (init_alias_analysis): Likewise.
4548 * combine.c (combine_instructions): Use INSN_P.
4549 (can_combine_p): Likewise.
4550 (try_combine): Likewise.
4551 (distribute_notes): Likewise.
4552 (distribute_links): Likewise.
4553 * cse.c (cse_around_loop): Use INSN_P.
4554 (invalidate_skipped_block): Likewise.
4555 (cse_set_around_loop): Likewise.
4556 (cse_end_of_basic_block): Likewise.
4557 (delete_trivially_dead_insns): Likewise.
4558 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4559 (unshare_all_rtl_1): Likewise.
4560 (next_cc0_user): Likewise.
4561 (try_split make_insn_raw): Likewise.
4562 (remove_unnecessary_notes): Likewise.
4563 * final.c (shorten_branches): Use INSN_P.
4564 (leaf_renumber_regs): Likewise.
4565 (leaf_renumber_regs_insn): Likewise.
4566 * flow.c (find_label_refs): Use INSN_P.
4567 (verify_wide_reg): Likewise.
4568 (notice_stack_pointer_modification): Likewise.
4569 (count_or_remove_death_notes): Likewise.
4570 (verify_flow_info): Likewise.
4571 (clear_log_links): Likewise.
4572 * function.c (fixup_var_refs_insns): Use INSN_P.
4573 (compute_insns_for_mem): Likewise.
4574 * gcse.c (alloc_gcse_mem): Use INSN_P.
4575 (compute_sets): Likewise.
4576 (compute_hash_table): Likewise.
4577 (classic_gcse): Likewise.
4579 (insert_insn_end_bb): Likewise.
4580 (delete_null_pointer_checks_1): Likewise.
4581 * global.c (expand_preferences): Use INSN_P.
4582 (build_insn_chain): Likewise.
4583 * graph.c (node_data): Use INSN_P.
4584 * haifa-sched.c (priority): Use INSN_P.
4585 (rm_line_notes): Likewise.
4586 (rm_other_notes): Likewise.
4587 (find_insn_reg_weight): Likewise.
4588 (init_target_units): Likewise.
4589 (schedule_block): Likewise.
4590 (compute_block_forward_dependences): Likewise.
4591 (debug_dependencies): Likewise.
4592 (set_priorities): Likewise.
4593 * integrate.c (function_cannot_inline_p): Use INSN_P.
4594 (save_parm_insns): Likewise.
4595 (copy_insn_list): Likewise.
4596 * jump.c (mark_all_labels): Use INSN_P.
4597 (never_reached_warning): Likewise.
4598 * lcm.c (optimize_mode_switching): Use INSN_P.
4599 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4600 (memref_used_between_p): Likewise.
4601 (update_equiv_regs): Likewise.
4602 (block_alloc): Likewise.
4603 (no_conflict_p): Likewise.
4604 * loop.c (scan_loop): Use INSN_P.
4605 (find_and_verify_loops): Likewise.
4606 (count_loop_regs_set): Likewise.
4607 (loop_reg_used_before_p): Likewise.
4608 (strength_reduce): Likewise.
4609 (recombine_givs): Likewise.
4610 (check_dbra_loop): Likewise.
4611 (load_mems): Likewise.
4612 (try_copy_prop): Likewise.
4613 * print-rtl.c (print_rtx): Use INSN_P.
4614 * recog.c (find_single_use): Use INSN_P.
4615 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4616 (next_flags_user): Likewise.
4617 (swap_rtx_condition): Likewise.
4618 * regmove.c (mark_flags_life_zones): Use INSN_P.
4619 (optimize_reg_copy_1): Likewise.
4620 (optimize_reg_copy_2): Likewise.
4621 (optimize_reg_copy_3): Likewise.
4622 (reg_is_remote_constant_p): Likewise.
4623 (fixup_match_2): Likewise.
4624 (regmove_optimize): Likewise.
4625 (fixup_match_1): Likewise.
4626 * regrename.c (build_def_use): Use INSN_P.
4627 (replace_reg_in_block): Likewise.
4628 (consider_use): Likewise.
4629 * reload.c (find_equiv_reg): Use INSN_P.
4630 * reload1.c (reload): Use INSN_P.
4631 (maybe_fix_stack_asms): Likewise.
4632 (calculate_needs_all_insns): Likewise.
4633 (reload_as_needed): Likewise.
4634 (emit_output_reload_insns): Likewise.
4635 (delete_address_reloads_1): Likewise.
4636 (reload_cse_regs_1): Likewise.
4637 (reload_combine): Likewise.
4638 (reload_cse_move2add): Likewise.
4639 * reorg.c (redundant_insn): Use INSN_P.
4640 (dbr_schedule): Likewise.
4641 * resource.c (find_dead_or_set_registers): Use INSN_P.
4642 (mark_target_live_regs): Likewise.
4643 * rtlanal.c (reg_used_between_p): Use INSN_P.
4644 (reg_referenced_between_p): Likewise.
4645 (reg_set_between_p): Likewise.
4646 (reg_set_p): Likewise.
4647 (single_set): Likewise.
4648 (multiple_sets): Likewise.
4649 (find_last_value): Likewise.
4650 (reg_set_last): Likewise.
4651 (find_reg_note): Likewise.
4652 (find_regno_note): Likewise.
4653 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4654 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4655 * ssa.c (find_evaluations): Use INSN_P.
4656 (rename_block): Likewise.
4657 (rename_equivalent_regs): Likewise.
4658 * unroll.c (loop_find_equiv_value): Use INSN_P.
4659 (set_dominates_use): Likewise.
4660 * varasm.c (mark_constant_pool): Use INSN_P.
4661 (mark_constants): Likewise.
4662 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4663 (alphaev4_next_group): Likewise.
4664 (alphaev5_next_group): Likewise.
4665 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4666 (c4x_rptb_rpts_p): Likewise.
4667 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4668 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4669 (rs6000_adjust_priority): Likewise.
4670 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4671 (machine_dependent_reorg): Likewise.
4672 (split_branches): Likewise.
4673 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4675 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4677 * combine.c (recog_for_combine): Remove the old notes
4678 prior to attempting to recognize the new pattern.
4679 (distribute_notes): Ignore REG_NONNEG notes.
4681 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4683 * varasm.c (output_constructor): Add .align 0 for packed vars.
4685 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4687 * configure.in: Use default thread_file even when enable_threads is
4688 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4689 * configure: Rebuilt.
4691 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4693 2000-08-04 Donn Terry (donnte@microsoft.com)
4695 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4697 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4699 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4700 Delete code that conditionally modifies 'version'.
4701 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4702 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4703 * gcc.c (main): Use it.
4704 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4705 * prefix.c (update_path): Use it.
4706 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4707 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4708 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4710 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4711 (SUBTARGET_SWITCHES): Adjust.
4712 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4714 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4716 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4718 * c-common.h (flag_isoc94): Declare.
4719 * c-decl.c (flag_isoc94): Define.
4720 (c_decode_option): Set flag_isoc94 as appropriate.
4721 * c-common.c (T_PD, T_IM, T_UIM): Define.
4722 (format_char_info): Add tlen and jlen.
4723 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4725 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4727 (time_char_table): Add NULL entries for %t and %j.
4728 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4729 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4730 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4731 precision. Allow precision argument to be unsigned int. If
4732 pedantic, warn for %p passed an argument not a pointer to possibly
4733 qualified void or a possibly qualified character type, and for
4734 pointer targets of the wrong sign, except for character pointers.
4736 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4738 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4739 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4740 (wint_type_node): Define.
4741 * c-decl.c (WINT_TYPE): Define.
4742 (init_decl_processing): Create the wint_type_node type.
4743 * c-common.c (T_WI): Define.
4744 (print_char_table): Use T_WI for %lc format.
4746 2000-08-04 Bruce Korb <bkorb@gnu.org>
4748 * fixinc/: Verified that the MSDOS patch does not break
4749 the UNIX functionality and applied the next three patches
4752 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4754 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4755 output file with the temporary one by appending ".X" to generate
4756 the temporary fuile's name. If the output file already has an
4757 extension, replace it with ".X".
4759 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4760 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4761 reallocate the command buffer while copying the command-line
4762 argument. Redirect the output directly to the temporary file,
4763 instead of going through another temporary file.
4764 (process): Close the temporary file before unlinking it.
4765 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4766 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4767 (run_compiles): Pass p_fixd argument to machine_matches, as it
4770 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4771 environment, assume there are no symlinks in the include
4772 directory. When cleaning up the DONE files, look for them
4773 case-insensitively. Don't try to remove symlinks if they aren't
4776 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4777 all callers changed. Declare pz "const char *", to avoid compiler
4780 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4781 Change prototype of make_raw_shell_str.
4783 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4785 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4786 (initialize) [__MSDOS__]: Use tempnam.
4787 (initialize): Don't use SIGPIPE if it is not defined.
4789 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4792 2000-07-25 Bruce Korb <bkorb@gnu.org>
4794 * fixinc/fix*.[ch]: substantially reworked to make it possible
4795 to run this program without using fork(2) or pipe(2) (i.e. in
4798 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4800 * cppdefault.h (WINT_TYPE): Define.
4801 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4802 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4803 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4805 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4807 * (mips_legitimate_address_p): Don't allow register+offset
4808 if the offset is large and negative, and we are compiling
4809 for 64 bit registers.
4811 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4813 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4814 insn_code_number + 1.
4816 2000-08-04 Kazu Hirata <kazu@hxi.com>
4818 * h8300.c (function_prologue): Rearrange code for conciseness.
4819 (function_epilogue): Likewise.
4820 * h8300.h (OK_FOR_U): Fix formatting.
4822 * cse.c: Fix a comment typo. Fix formatting.
4824 2000-08-03 Richard Henderson <rth@cygnus.com>
4826 * config/i386/i386.md (return_indirect_internal): New.
4827 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4829 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4831 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4833 (lex_line): Glue @ onto the beginning of identifiers and
4834 string constants, in Objective-C mode.
4835 (output_token, spell_token): Handle CPP_OSTRING.
4836 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4837 beginning of a NAME or a STRING, in objc mode.
4839 * cpplib.c (get_define_node): Do not permit identifiers that
4840 begin with @ to be #defined.
4841 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4842 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4844 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4845 * c-tree.h (build_objc_string): Delete prototype.
4846 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4847 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4849 * c-parse.in, objc/objc-act.c: Update commentary.
4851 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4853 * extend.texi: Fix typo in last change.
4855 * extend.texi: Add commentary on statement-expressions and their
4856 interactions with C++.
4858 2000-08-03 Nick Clifton <nickc@cygnus.com>
4860 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4861 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4863 2000-08-03 Anthony Green <green@cygnus.com>
4865 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4866 (add_bound_info): Check for java language.
4867 (is_java): New function.
4868 * dwarfout.c (output_compile_unit_die): Ditto.
4869 * dwarf.h (dwarf_source_language): Add java source language type.
4870 * dwarf2.h (dwarf_source_language): Ditto.
4872 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4874 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4877 * i386.c (ix86_expand_branch): Mode of comparison in
4878 IF_THEN_ELSE is VOIDmode.
4880 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4882 * gengenrtl.c, rtl.c: Avoid #elif.
4884 2000-08-03 Michael Poole <poole@troilus.org>
4886 * tm.texi (Register Classes): Clarify order of sub-initializers
4887 in REG_CLASS_CONTENTS.
4889 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4891 From SAITOH Masanobu:
4892 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4894 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4896 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4897 is not supported by tradcpp and isn't actually needed for cygwin.
4899 2000-08-03 Kazu Hirata <kazu@hxi.com>
4901 * h8300.c: Fix a comment typo.
4902 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4904 * jump.c: Fix formatting.
4906 * toplev.c: Fix formatting.
4908 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4910 * flow.c (find_auto_inc): Verify that we've got a REG before
4911 peeking at its regno. Fail, don't abort if we can't find
4912 the increment of the desired register.
4914 * pa.md (shadd height reduction patterns/splitters): Remove.
4916 2000-08-02 Jim Wilson <wilson@cygnus.com>
4918 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4919 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4921 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4923 * dce.c: Remove all uses of assert.
4924 * dwarf2out.c: Likewise.
4925 * dwarfout.c: Likewise.
4928 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4930 * gcc.h (lang_specific_driver): Constify second argument.
4931 * gcc.c (translate_options, process_command, main): Likewise.
4932 Constify variables to match. Cast second argument to
4935 * cppspec.c, gccspec.c: Adjust type of second argument to
4936 lang_specific_driver, and update code as necessary.
4938 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4940 * loop.c (scan_loop): Ensure update_end label does not
4941 go away until reg_scan_update is run.
4943 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4945 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4946 * c-tree.h: ... not here.
4947 * errors.h: Prototype fancy_abort.
4949 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4950 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4951 * regrename.c (regrename_optimize): Make control flow explicit.
4952 (replace_reg_in_block): Initialize reg_use to 0.
4954 * i386.c (legitimate_address_p): Rename error label to
4955 report_error to avoid namespace clash.
4957 2000-08-02 Kazu Hirata <kazu@hxi.com>
4959 * fold-const.c: Fix formatting.
4961 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4963 * i386.c (legitimate_address_p): Accept other bases than
4964 pic_offset_table_rtx for GOTOFF constructs.
4966 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4968 * i386.md (shift to lea splitter): Use const_int_operand.
4970 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4972 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4973 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4976 * cppmain.c (cb_define, cb_undef): Don't generate any output
4977 if not done_initializing.
4978 * cpplex.c (maybe_paste_with_next): When the token after a ##
4979 is an omitted rest argument, only delete the token before it
4980 if that token is a comma. Do not warn about bogus token
4981 pastes for , ## rest_arg.
4984 * cpp.1: Regenerate.
4986 2000-08-02 Fred Fish <fnf@be.com>
4988 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4989 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4992 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4993 Be directories to search path.
4995 Remove support for __declspec(dllimport) and __declspec(dllexport).
4996 This is leftover cruft from the earlier BeOS gcc port when BeOS
4997 used Microsoft's PE object file format.
4998 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4999 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5000 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5001 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5002 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5003 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5004 (REDO_SECTION_INFO_P): Remove.
5005 (ASM_EXPORT_DECL): Remove.
5006 (ASM_DECLARE_FUNCTION_NAME): Remove.
5007 (ASM_DECLARE_OBJECT_NAME): Remove.
5008 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5009 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5010 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5011 (STRIP_NAME_ENCODING): Remove.
5013 Remove support for obsolete version of BeOS that is no longer
5015 * configure.in (i*86-*-beospe*): Remove.
5016 * config/i386/beos-pe.h: Remove.
5018 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5019 Mark Mitchell <mark@codesourcery.com>
5021 * Makefile.in (OBJS): Added dce.o.
5022 (ssa.o): Updated target to include ssa.h.
5024 (toplev.o): Likewise.
5025 (dce.o): Created target.
5026 * basic-block.h: Added comments.
5027 (INVALID_BLOCK): Added definition.
5028 (connect_infinite_loops_to_exit): Added declaration.
5029 Moved SSA declarations to ssa.h.
5030 * flow.c: Added inclusion of ssa.h.
5031 (struct depth_first_search_dsS, depth_first_search_ds):
5033 (compute_immediate_postdominators): Added definition.
5034 (connect_infinite_loops_to_exit): Likewise.
5035 (flow_dfs_compute_reverse_init): Likewise.
5036 (flow_dfs_compute_reverse_add_bb): Likewise.
5037 (flow_dfs_compute_reverse_execute): Likewise.
5038 (flow_dfs_compute_reverse_finish): Likewise.
5039 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5040 (LABEL_P): Added definition.
5043 (BARRIER_P): Likewise.
5044 (JUMP_TABLE_DATA_P): Likewise.
5045 (INSN_DEAD_CODE_P): Likewise.
5046 * ssa.c: Replaced inclusions with ssa.h inclusion.
5047 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5048 (rename_registers): Removed unnecessary variables.
5049 * ssa.h: Created by moving declarations from ssa.c and
5051 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5052 * toplev.c: Added ssa.h inclusion.
5053 (dump_file_index): Added DFI_dce.
5054 (dump_file): Added "dce" entry.
5056 (f_options): Added dce entry.
5057 * invoke.texi: Document -fdce. Emphasize experimental status of
5061 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5063 * cpperror.c (v_message): Split into _cpp_begin_message and
5064 v_message macro. All callers updated.
5065 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5068 * cppfiles.c (cpp_syshdr_flags): New function.
5069 (read_include_file): Don't call cpp_output_tokens. Call
5071 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5072 (cpp_reader_init): Don't initialize token_buffer. Call
5073 _cpp_init_internal_pragmas.
5074 (cpp_cleanup): Don't clear token_buffer.
5075 (cpp_start_read): Don't worry about output from -D processing.
5076 Don't call cpp_output_tokens.
5077 (cpp_finish): Don't dump macros here. Don't call
5079 * cppmacro.c (_cpp_dump_definition): Rename
5080 cpp_dump_definition. Write directly to a FILE *.
5081 (dump_funlike_macro): Delete.
5082 (dump_macro_args): New.
5084 * cpplex.c (TOKEN_LEN): Convert to inline function.
5085 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5086 cpp_scan_line, _cpp_dump_list): Delete.
5087 (cpp_printf, cpp_output_list): New.
5088 (output_line_command): Don't worry about entering or leaving files.
5089 (cpp_scan_buffer): Just output each token as we hit it.
5090 (process_directive): Don't call cpp_output_tokens.
5091 (_cpp_glue_header_name): Don't use token_buffer.
5092 (output_token, dump_param_spelling): Write directly to a FILE *.
5094 * cpplib.c (pass_thru_directive, dump_macro_name,
5095 pragma_dispatch, do_pragma_gcc): Delete.
5096 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5097 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5099 (do_error, do_warning, pragma_dependency): Call
5100 _cpp_begin_message, then cpp_output_list.
5101 (cpp_register_pragma, cpp_register_pragma_space,
5102 _cpp_init_internal_pragmas): New.
5103 (do_pragma): Walk the pragmas table here.
5104 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5105 do_pragma_dependency): Return void.
5106 (do_pragma_implementation): Moved to cppmain.c.
5108 * cpplib.h: Update prototypes.
5109 (struct cpp_reader): Remove printer, token_buffer,
5110 token_buffer_size, and limit. Add struct cb, and pragmas.
5111 (struct cpp_printer): Remove last_id and written.
5112 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5113 CPP_ADJUST_WRITTEN): Delete.
5114 * cpphash.h: Update prototypes.
5115 (ufputs): New wrapper.
5117 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5118 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5119 (main): Set up callbacks. Register #pragma implementation.
5120 Dump macros from here.
5122 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5124 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5125 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5126 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5127 insns if they have a REG_MAYBE_DEAD note attached.
5128 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5129 (rs6000_emit_load_toc_table): TOC loads may go dead.
5131 2000-08-01 Jim Wilson <wilson@cygnus.com>
5133 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5134 type exists before using it. Use number of words as alignment
5136 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5137 ia64_va_arg): Propagate ia64_function_args changes here.
5139 2000-08-01 Richard Henderson <rth@cygnus.com>
5141 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5142 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5144 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5146 From Joern Rennecke:
5147 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5148 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5149 unless TARGET_SH3E is set.
5150 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5152 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5153 (ashlsi3_std): New pattern.
5154 (ashlsi3 expander): Use it for TARGET_SH3.
5155 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5157 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5159 * loop.c (canonicalize_condition): Use destination, not source to
5160 determine SET's mode.
5162 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5164 * flow.c (clear_log_links): Fix typo.
5166 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5168 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5169 on targets which need more than one insn for a compare/cbranch
5172 2000-07-31 Jim Wilson <wilson@cygnus.com>
5174 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5175 when computing offset.
5177 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5179 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5181 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5183 * flow.c (clear_log_links): Nuke global_live_at_start and
5184 global_live_at_end data, since if the log_links stuff is invalid
5185 so is global_live_at_*.
5187 2000-07-31 Richard Henderson <rth@cygnus.com>
5189 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5191 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5193 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5194 (_cpp_get_token): Don't macro expand a just pasted token if it
5195 was pasted at no_expand_level.
5197 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5199 * cppmacro.c (find_param, count_params, save_expansion):
5200 Permit 'defined' as a macro parameter name.
5202 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5204 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5205 xcpp to cpp throughout.
5206 (native): Remove unnecessary dependency on cpp.
5208 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5209 tradcpp to tradcpp0.
5210 (.i spec): Add missing output-file spec to cc1 command line.
5211 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5213 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5215 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5216 (implicit_decl_warning): New function.
5217 (implicitly_declare): Use it.
5218 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5219 to complain about implicit decls of builtins.
5221 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5222 based on pedantic && flag_isoc99, if not already set.
5223 * c-tree.h: Declare mesg_implicit_function_declaration.
5224 Prototype implicit_decl_warning.
5226 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5228 * Makefile.in (ssa.o): Updated header files in dependences.
5229 * basic-block.h: Added compute_immediate_postdominators declaration.
5230 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5232 * flow.c (compute_immediate_dominators): Updated comment.
5233 (compute_immediate_postdominators): Added definition.
5234 * rtl.h (HARD_REGISTER_P): Added definition.
5235 * ssa.c: Include additional header files.
5236 (assert): Added definition.
5237 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5238 include select hard registers.
5239 (ssa_rename_to_insert): Likewise.
5240 (ssa_rename_from_initialize): Likewise.
5241 (ssa_rename_from_lookup): Likewise.
5242 (original_register): Likewise.
5243 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5244 include select hard reigsters.
5245 (ssa_rename_from_traverse): Likewise.
5246 (ssa_rename_from_free): Likewise.
5247 (ssa_rename_from_print): Likewise.
5248 (ssa_rename_from_print_1): Likewise.
5249 (ssa_rename_from_hash_function): Likewise.
5250 (ssa_rename_from_equal): Likewise.
5251 (ssa_rename_from_delete): Likewise.
5252 (simplify_to_immediate_dominators): Removed in favor of
5253 flow.c:compute_immediate_dominators.
5254 (find_evaluations_1): Modified to work with hard registers.
5255 (insert_phi_node): Likewise.
5256 (insert_phi_nodes): Likewise.
5257 (struct rename_set_data): Updated prev_reg comment.
5258 (create_delayed_rename): Modified to work with hard registers.
5259 (RENAME_NO_RTX): Updated comment.
5260 (apply_delayed_renames): Modified to work with hard registers.
5261 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5262 (rename_block): Updated to use revised ssa_rename_to interface.
5263 (rename_registers): Updated to use revised ssa_rename_to and
5264 ssa_rename_from interface.
5265 (convert_to_ssa): Revised to use compute_immediate_dominators and
5266 deal with hard registers.
5267 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5268 registers. Added check for illegal unification of hard register.
5269 (make_equivalent_phi_alternatives_equivalent): Modified to work
5270 with hard registers.
5271 (compute_conservative_reg_partition): Likewise.
5272 (coalesce_if_unconflicting): Modified to work with hard registers
5273 and check for conflicting hard registers.
5274 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5276 (rename_equivalent_regs_in_insn): Modified to work with hard
5278 (record_canonical_element_1): Added definition.
5279 (check_hard_regs_in_partition): Added definition.
5280 (convert_from_ssa): Added data structure deallocation and check
5281 for illegal hard register unification.
5282 (conflict_hard_regs_p): Added definition.
5283 * toplev.c (rest_of_compilation): Added comment.
5285 2000-07-31 Anthony Green <green@redhat.com>
5287 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5289 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5291 * builtins.c (expand_builtin_apply): Don't defer pop during
5294 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5296 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5297 preferred_unit_stack_boundary when it is > 1.
5299 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5301 * c-common.c (init_function_format_info): Add C99 format functions
5304 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5305 void' or 'register void' as being the special case of 'void' alone
5306 in a parameter list.
5308 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5309 discarding qualifiers into a plain warning.
5311 2000-07-31 Kazu Hirata <kazu@hxi.com>
5313 * combine.c: Fix formatting.
5315 * h8300.md: Fix formatting.
5317 * local-alloc.c: Fix formatting.
5319 * h8300.c (get_shift_alg): Remove the variable alg.
5320 (emit_a_shift): Rearrange code to improve readability.
5322 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5324 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5325 HImode on all architectures and a combination of HImode and SImode
5326 on H8/300H and H8/S.
5328 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5330 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5332 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5335 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5337 * recog.c (extract_insn): Set operand_mode according to
5338 operand if match_operand is VOIDmode.
5340 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5342 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5344 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5346 * c-parse.in (extdefs): Call ggc_collect between external
5349 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5350 Richard Henderson <rth@cygnus.com>
5352 * Makefile.in (OBJS): Add doloop.o.
5353 * doloop.c: New file.
5355 * final.c (insn_current_reference_address): Return 0 before final.
5356 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5357 * jump.c (any_uncondjump_p): Likewise.
5358 * loop.c (indirect_jump_in_function): Make static.
5359 (strength_reduce): Call doloop_optimize.
5360 (insert_bct, instrument_loop_bct): Remove.
5361 * loop.h (doloop_optimize): Prototype.
5362 * recog.c (split_all_insns): Split all INSN_P.
5363 * toplev.c (flag_branch_on_count_reg): Default on.
5365 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5366 flag_branch_on_count_reg.
5367 * config/i386/i386.c (override_options): Likewise.
5368 * config/rs6000/rs6000.c (optimization_options): Likewise.
5370 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5372 (dbra_ge): Remove, as well as all it's splitters.
5374 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5377 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5378 (ia64_register_move_cost): Declare.
5379 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5380 (struct ia64_frame_info): Add ar_size.
5381 (ia64_compute_frame_size): Set it.
5382 (save_restore_insns): Save and restore ar.lc.
5383 (ia64_register_move_cost): New, moved from header file. Handle
5384 application registers.
5385 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5386 (emit_insn_group_barriers): Special case doloop_end_internal.
5387 (ia64_epilogue_uses): Mark ar.lc live at end.
5388 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5389 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5390 (FIRST_PSEUDO_REGISTER): Make room.
5391 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5392 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5393 (REG_ALLOC_ORDER): Update.
5394 (HARD_REGNO_MODE_OK): Update.
5395 (REGISTER_NAMES): Update.
5396 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5397 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5398 (REGNO_REG_CLASS): Update.
5399 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5400 (REGISTER_MOVE_COST): Move out of line.
5401 (PREDICATE_CODES): Update.
5402 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5403 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5404 (shladd_elim splitter): Allow constants in the predicate.
5405 (doloop_end, doloop_end_internal): New.
5407 2000-07-30 Richard Henderson <rth@cygnus.com>
5409 * genattrtab.c (struct insn_def): Add lineno member.
5410 (struct insn_ent): Likewise.
5411 (struct attr_desc): Likewise.
5412 (struct delay_desc): Likewise.
5413 (struct function_unit_op): Likewise.
5414 (struct function_unit): Likewise.
5415 (check_attr_value): Use message_with_line.
5416 (check_defs): Likewise.
5417 (expand_units): Likewise.
5418 (check_attr_test): Take a lineno argument.
5419 (gen_attr): Likewise.
5420 (gen_insn): Likewise.
5421 (gen_delay): Likewise.
5422 (gen_unit): Likewise.
5423 (main): Give it to them.
5424 (convert_set_attr_alternative): Take an insn_def argument
5425 instead of num_alt and insn_index.
5426 (convert_set_attr): Likewise.
5427 (write_test_expr): Protect INSN_ADDRESSES load
5428 with INSN_ADDRESSES_SET_P.
5430 2000-07-30 Richard Henderson <rth@cygnus.com>
5432 * flow.c (init_propagate_block_info): Use pc_set.
5434 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5436 * i386.md (*lea_general_[123]) New insns and splits.
5437 (addsi3 to lea splitter): Handle other modes too.
5438 (shlsi3 to lea splitter): Likewise.
5439 (addhi_1_lea, shlhi_1_lea): New patterns.
5440 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5442 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5444 * recog.c (general_operand, nonimmediate_operand): Accept
5445 any mode for VOIDmode CONSTANT_P operands.
5447 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5449 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5450 instead of replace_rtx.
5451 * recog.c (validate_replace_rtx_subexp): New function.
5452 * recog.h (validate_replace_rtx_subexp): Declare.
5454 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5456 * combine.c (simplify_set, make_extraction, make_compound_operation
5457 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5458 as force_to_mode argument.
5460 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5462 * combine.c (if_then_else_cond): Be sure that mode fits in
5465 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5467 * combine.c (record_promoted_value): Allow bitsize of mode
5468 to be equivalent to HOST_BITS_PER_WISE_INT.
5470 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5472 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5473 Do not call gen_mode_alignment when mode is BLKmode.
5475 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5477 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5479 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5481 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5482 VOIDmode implies both operands to be VOIDmode.
5483 (simplify_ternary_operation): Compute properly the mode of comparison.
5484 * combine.c (combine_simplify_rtx): Likewise.
5486 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5488 * basic-block.h (struct loops): New field rc_order.
5489 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5490 (flow_loops_free): Free rc_order.
5491 (flow_depth_first_order_compute): New parameter rc_order.
5492 (flow_loops_find): Allocate rc_order and swap usage with
5495 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5496 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5498 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5499 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5500 (nodb_call, return_from_epilogue): Likewise.
5501 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5502 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5503 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5504 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5505 (c4x_valid_type_attribute_p): Likewise.
5506 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5507 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5509 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5511 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5512 and loadhi_big_constant if applicable.
5513 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5514 and add new splitter.s
5516 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5518 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5520 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5522 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5524 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5526 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5528 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5530 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5532 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5534 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5535 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5536 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5537 (get_prev_bb_note): Likewise.
5538 (remove_scope_notes): Likewise.
5539 * flow.c (commit_one_edge_insertion): Likewise.
5540 (merge_blocks_nomove): Likewise.
5541 (verify_flow_info): Likewise.
5542 * gcse.c (insert_insn_end_bb): Likewise.
5543 * reg-stack.c (emit_swap_insn): Likewise.
5544 * ssa.c (first_insn_after_basic_block_note): New function.
5545 (insert_phi_node): Use it.
5546 (rename_block): Likewise.
5547 (eliminate_phi): Likewise.
5548 (make_regs_equivalent_over_bad_edges): Likewise.
5549 (make_equivalent_phi_alternatives_equivalent): Likewise.
5550 (for_each_successor_phi): Likewise.
5551 (convert_from_ssa): Modify phi-node deletion algorithm.
5553 2000-07-29 Andreas Jaeger <aj@suse.de>
5555 * configure.in (mips*-*-linux*): Use mips*el to check for little
5556 endian MIPS, add tmake_file.
5558 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5559 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5560 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5562 2000-07-28 Richard Henderson <rth@cygnus.com>
5564 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5565 Sign extend mode size before negating.
5567 2000-07-28 Richard Henderson <rth@cygnus.com>
5569 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5571 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5573 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5574 (cse_insn): Likewise.
5575 (addr_affects_sp_p): Likewise.
5576 * expr.c (move_by_pieces): Likewise.
5577 (clear_by_pieces): Likewise.
5578 * gcse.c (oprs_unchanged_p): Likewise.
5579 * haifa-sched.c (sched_analyze_2): Likewise.
5580 * recog.c (offsettable_address_p): Likewise.
5581 * regclass.c (record_address_regs): Likewise.
5582 * reload.c (find_reusable_reload): Likewise.
5583 (push_reload): Likewise.
5584 (operands_match_p): Likewise.
5585 (decompose): Likewise.
5586 (find_reloads_address_1): Likewise.
5587 (find_inc_amount): Likewise.
5588 * reload1.c (elimination_effects): Likewise.
5589 * resource.c (mark_set_resources): Likewise.
5590 * flow.c (attempt_auto_inc): New function; mostly broken out
5592 (find_auto_inc): Split into two functions and enhanced to
5593 generate POST_MODIFY.
5594 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5595 * rtl.h (count_all_occurrences): Declare.
5596 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5598 * rtlanal.c (count_all_occurrences): New function.
5599 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5600 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5602 * config/ia64/ia64-protos.h (destination_operand): Declare.
5603 * config/ia64/ia64.c (destination_operand): New function.
5604 (ia64_print_operand): Handle POST_MODIFY.
5605 (rtx_needs_barrier): Likewise.
5606 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5607 (HAVE_POST_MODIFY_REG): Define to 1.
5608 (MAX_REGS_PER_ADDRESS): Change to 2.
5609 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5610 (LEGITIMATE_ADDRESS_REG): New helper macro.
5611 (LEGITIMATE_ADDRESS_DISP): Likewise.
5612 (PREDICATE_CODES): Add entry for destination_operand.
5613 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5614 predicate for operand 0.
5616 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5618 * dwarf2out.c: Indent #error directive.
5620 * gbl-ctors.h: Fix typo in comment.
5621 (__do_global_ctors): Prototype.
5623 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5625 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5626 (print_operand): Initialize variable `t'.
5628 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5630 * config/arm/arm.md ("call_value"): removed constraints.
5631 Constraints are ignored in expanders.
5632 (*call_value_reg): split =rf into various constraints.
5633 (*call_value_mem): same
5634 (*call_value_symbol): same
5635 (*sibcall_value_insn): same
5637 2000-07-28 Philipp Thomas <pthomas@suse.de>
5639 * install.texi (--enable-nls): Change the description of the NLS
5640 related configure options to match the current state.
5641 (--with-included-gettext): Likewise.
5642 (--enable-maintainer-mode): New description added.
5643 * extend.texi (-fstrict-prototype): Add missing '.'.
5645 2000-07-27 Jim Wilson <wilson@cygnus.com>
5647 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5648 DECL_INITIAL (decl) == NULL_TREE.
5650 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5652 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5653 on insn-attr.h with it.
5654 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5655 * insn-addr.h: New header.
5656 (insn_addresses_): Renamed from insn_addresses.
5657 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5658 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5659 INSN_ADDRESSES_NEW): New macros.
5660 * genattrtab.c (write_test_expr): Use new macros.
5661 * final.c (insn_addresses, init_insn_lengths): Likewise.
5662 (align_fuzz, shorten_branches): Likewise.
5663 (final): Likewise. Do not reject new insns if their addresses
5664 have been added to INSN_ADDRESSES.
5665 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5666 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5667 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5668 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5669 * config/sh/sh.c: Likewise.
5670 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5672 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5674 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5676 * gcc.c (struct prefix_list): Add member priority.
5677 (enum path_prefix_priority): Declare.
5678 (add_prefix): Replace ``first'' with ``priority''. Append new
5679 entry but keep list in priority order.
5680 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5681 PREFIX_PRIORITY_LAST to add_prefix.
5682 (process_command): Move include kludge - foo/stageN - to before
5685 2000-07-27 Jason Merrill <jason@redhat.com>
5687 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5688 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5690 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5692 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5693 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5695 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5697 * c-decl.c (finish_function): Don't treat 'main' specially unless
5698 flag_hosted. In C99 mode, return 0 from 'main' unless
5699 DEFAULT_MAIN_RETURN is otherwise defined.
5701 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5702 parameters defaulting to int in an old-style function definition.
5704 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * c-parse.in (string): For -Wtraditional, warn about string
5707 concatenation only once per line.
5709 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5711 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5712 for HI-UX/WE2 systems.
5714 2000-07-24 Bruce Korb <bkorb@gnu.org>
5716 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5717 defining the __xxx_TYPE__ macros.
5718 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5719 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5720 * fixincl/inclhack.def(type_map): now obsolete
5722 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5724 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5726 2000-07-26 Dave Pitts <dpitts@cozx.com>
5728 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5730 (mvs_hash_alias): New function.
5731 (mvs_add_alias): Change argument spacing.
5732 (mvs_need_alias): Change aliasing criteria. Added documentation.
5733 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5734 CSECT name collisions.
5735 (mvs_check_alias): Likewise.
5736 (handle_pragma): Change documentation.
5737 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5738 mode from SImode to DImode.
5739 (iorhi3): Changed LTORG size for insn.
5741 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5743 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5744 mem if the address is a mode_dependent_address_p.
5746 2000-07-26 Kazu Hirata <kazu@hxi.com>
5748 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5749 suitable for 8-bit absolute.
5750 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5751 (OK_FOR_U): Add a case for the 8-bit constant address on the
5754 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5756 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5757 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5758 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5759 lack of implemented alignment.
5761 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5763 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5764 cross-compiling between 64-bit and 32-bit machines.
5766 2000-07-27 Richard Henderson <rth@cygnus.com>
5768 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5769 (movhicc_astep, movhi_internal_astep): New.
5770 (movsicc_astep, movsi_internal_astep): New.
5771 (movdicc_astep, movdi_internal_astep): New.
5772 (movsfcc_astep, movsf_internal_astep): New.
5773 (movdfcc_astep, movdf_internal_astep): New.
5774 (movxfcc_astep, movxf_internal_astep): New.
5775 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5776 Unify the cmov[ds]i splitters.
5778 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5780 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5782 2000-07-26 Nick Clifton <nickc@cygnus.com>
5784 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5785 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5787 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5788 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5790 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5792 * c-decl.c (finish_enum): Convert enumerations that fit in an
5794 (build_enumerator): In pedantic mode, cast to `int' those that
5797 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5799 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5801 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5803 * sh.md (cmpgtdi_t): Must be split.
5804 (cmpgtdi_t+1): New splitter.
5806 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5808 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5809 warnings for indented directives even if we are skipping.
5811 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5813 * invoke.texi (strict-prototypes): Remove.
5814 * extend.texi (Deprecated Features): Add strict-prototypes.
5815 (Backwards Compatibility): New node.
5817 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5819 * config/i386/i386.md (andsi_1+1): Allow HImode.
5820 (andsi_1+2): Require q_regs_operand.
5822 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5824 * config/i386/i386.md (call_pop): Check operands[0],
5825 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5827 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5828 (call_value): Likewise.
5830 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5832 * toplev.c (pipe_closed): Delete.
5833 (crash_signal): New. Generate ICE for a fatal signal.
5834 (float_signal): Call crash_signal outside a float-handler
5836 (main): Install crash_signal as handler for core-dumping signals.
5838 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5840 * rs6000.c (print_operand, case 'T'): New case.
5842 * rs6000.md (call_indirect_aix32): Convert to expander of
5843 scheduled instructions.
5844 (call_indirect_aix64): Likewise.
5845 (call_value_indirect_aix{32,64}): Likewise.
5846 (call, call_value): Invoke expanders for AIX. Fall through to
5848 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5849 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5850 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5851 only "g" constraint.
5852 (call_nonlocal_aix64): Likewise.
5853 (call_value_nonlocal_aix{32,64}): Likewise.
5854 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5856 (call_value_nonlocal_sysv): New pattern.
5857 (indirect_jump{si,di}): Use new 'T' modifier.
5858 (tablejump{si,di} matchers): Likewise.
5859 (return_internal_{si,di}): Likewise.
5860 (return_eh_{si,di}): Likewise.
5862 2000-07-24 Richard Henderson <rth@cygnus.com>
5864 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5865 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5866 * config/ia64/ia64.md (movdi_internal): Use it.
5868 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5870 * cppexp.c: Warn about unary + if -Wtraditional.
5871 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5873 2000-07-24 Michael Meissner <meissner@redhat.com>
5875 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5878 2000-07-24 Nick Clifton <nickc@cygnus.com>
5880 * config/arm/arm.c (emit_multi_reg_push): Generate a
5881 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5882 dwarf2out_debug_frame_expr.
5884 2000-07-24 Jason Merrill <jason@redhat.com>
5886 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5887 UNALIGNED_INT_ASM_OP.
5888 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5889 a location expression.
5890 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5891 assume indirect access if we're saving the CFA address exactly.
5893 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5895 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5897 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5900 2000-07-24 Michael Meissner <meissner@redhat.com>
5902 * invoke.texi (D30V Options): Add d30v options.
5904 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5906 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5907 needed by our gcse pass anymore.
5908 (free_pre_mem): Corresponding changes.
5909 (compute_pre_data): Do not call compute_transpout anymore.
5911 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5912 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5915 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5916 (compute_pre_data): Do it here instead.
5918 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5920 (pre_delete): Corresponding changes.
5922 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5924 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5925 to figure out whether or not a variable has already been emitted.
5927 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5929 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5930 instead of gen_call.
5932 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5934 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5936 2000-07-23 Kazu Hirata <kazu@hxi.com>
5938 * h8300.c: Fix formatting.
5940 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5942 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5943 for `long' switch expression into a plain warning.
5945 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5946 (yylex): Don't pedwarn for "inline" in C99 mode.
5948 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5950 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5951 ggc_alloc): Likewise.
5952 * bb-reorder.c (dump_scope_forest_1): Likewise.
5954 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5956 * reload.c (find_reloads_toplev): Add new parameter
5958 (find_reloads): Add new parameter to find_reloads_toplev calls.
5960 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5962 * collect2.c (main): Typo fixed.
5963 * diagnostic.c: Typo fixed.
5964 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5965 * eh-common.h: Typo fixed.
5966 * emit-rtl.c (start_sequence): Typo fixed.
5967 * flow.c (find_label_refs): Typo fixed.
5968 (calculate_global_regs_live): Typo fixed.
5969 (mark_regno_cond_dead): Typo fixed.
5970 (create_edge_list): Typos fixed.
5971 (verify_edge_list): Typo fixed.
5972 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5973 * loop.c (strength_reduce): Typo in function name fixed.
5974 * rtl.h: Added comments. Typo in function name fixed.
5975 * rtlanal.c: Typo in function name fixed.
5976 (insn_dependant_p): Rename to ...
5977 (insn_dependent_p): ... this.
5978 (computed_jumo_p): Typo fixed.
5980 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5982 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5984 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5986 * rs6000.h (SIZE_TYPE): Define.
5988 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5990 * ssa.c (rename_insn_1): Don't rename registers that are
5993 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5995 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5997 (fatal_function, set_fatal_function): Removed.
5998 (fatal): Don't prepare for or call the fatal_function.
5999 (diagnostic_lock, error_recursion): New.
6000 (diagnostic_for_decl, report_diagnostic): Guard against
6001 re-entering the error reporting routines.
6002 (fancy_abort): Assume function is not NULL.
6004 * errors.c (fancy_abort): New. Assume function is not NULL.
6005 * tradcpp.c (fancy_abort): Assume function is not NULL.
6007 * system.h: Provide default definition of __FUNCTION__.
6008 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6009 Always use __FUNCTION__ in definition of abort.
6011 * varray.h: Likewise.
6012 * toplev.h: Likewise. Don't prototype set_fatal_function.
6014 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6016 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6018 * glimits.h: Don't do #if defined for ARCH_PPC.
6020 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6021 constants of size no larger than a pointer should go in the TOC.
6022 Add 'MODE' parameter.
6023 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6024 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6025 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6026 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6027 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6028 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6029 (rs6000_legitimize_address): Likewise.
6030 (rs6000_emit_move): Likewise.
6031 (rs6000_select_rtx_section): Likewise.
6032 (output_toc): Deal properly with outputting small constants like
6033 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6034 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6035 MODE parameter. Put small constants in the TOC.
6037 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6039 (rs6000_emit_move): When reload calls us with an illegitimate
6040 address, exit early. Move the change_address calls to one place
6041 at the end of the routine. Merge the SImode and DImode expanders.
6042 When called by reload to put an integer into a FP register, force
6045 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6047 (rs6000_hash_constant): Hash mode too.
6048 (toc_hash_function): Allow for key_mode.
6049 (toc_hash_eq): Structures are different if key_mode differs.
6050 (output_toc): Add 'mode' parameter. Save key_mode.
6051 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6052 Pass 'mode' parameter.
6053 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6055 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6056 for vtable references.
6058 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6059 choice, don't put integer values in FP regs.
6061 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6063 * flow.c (verify_flow_info): Revamp code to verify that the
6064 head and end of each basic block are in the insn chain.
6066 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6068 * gcse.c (record_one_set): Prepend instead of append onto
6069 reg_set_table, making it O(n) instead O(n^2).
6070 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6071 Use a queue instead of a stack as worklist.
6073 2000-07-20 Kazu Hirata <kazu@hxi.com>
6075 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6076 * h8300.h (OK_FOR_T): New.
6077 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6078 * h8300.md: Use inc/dec.[wl] for increment/decrement
6079 by 1 and 2 in HI and SI modes.
6081 2000-07-20 Jim Wilson <wilson@cygnus.com>
6083 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6084 larger than 14 bits.
6086 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6088 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6089 (count_params): Don't set GNU_REST_ARGS on anything.
6090 (save_expansion): Set PASTE_LEFT only on tokens for which
6091 CAN_PASTE_AFTER is true, or which are named operators.
6093 * cpplex.c (parse_args): Distinguish between a rest argument
6094 given one empty argument, and a rest argument given zero arguments.
6095 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6096 deletion of previous token based on that.
6097 (get_raw_token): Flatten some control structure.
6099 * cpplib.h (CPP_LAST_EQ): Correct.
6100 (VOID_REST): New token flag.
6101 (GNU_REST_ARGS): Delete.
6103 * tradcpp.c (main): Don't munge -D options.
6104 (make_definition): Bring -D handling in line with cpplib.
6105 (do_define): Strip all leading whitespace from macro definitions.
6107 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6109 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6111 2000-07-20 Bruce Korb <bkorb@gnu.org>
6113 * fixincl/check.tpl: strip the platform specific types before testing
6114 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6115 * fixincl/fixincl.tpl: use platform specific types
6116 * fixincl/fixlib.h: include the platform specific types
6117 * fixincl/inclhack.def(gnu_types): don't supply the types
6118 * fixincl/fixincl.x: regen
6120 2000-07-19 Jim Wilson <wilson@cygnus.com>
6122 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6125 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6127 * tradcpp.c (rescan): Do not recognize directives when the #
6130 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6132 Implement C++ named operators.
6134 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6135 of operators allowed in #if and having an _EQ variant. Add
6136 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6137 (cpp_token flags): Add NAMED_OP.
6138 (enum node_type): Add T_OPERATOR.
6139 (struct cpp_hashnode): Add code slot to value union.
6140 * cpphash.h (spec_nodes): Remove n_defined.
6142 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6143 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6144 (is_macro_disabled): Tweak error messages.
6146 * cpplib.c (get_define_node): Disallow all named operators as
6147 macro names. Tweak error messages.
6148 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6150 * cppinit.c (builtin_array): Add entries for the named operators.
6151 * cppexp.c (lex): Check for CPP_DEFINED token.
6152 (priority table): Add entries for CPP_MIN and CPP_MAX.
6153 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6155 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6157 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6158 larger than the array of cuids.
6159 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6162 2000-07-19 Bruce Korb <bkorb@gnu.org>
6164 * fixinc/fixincl.c: Convert to using a table of environment variables
6165 and activate the auto-edit marker on the fixed output files.
6166 * fixinc/fixlib.h: Define the environment table
6167 * fixinc/fixincl.sh: export the ${INPUT} dir
6168 * fixinc/check.tpl: likewise
6170 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6172 * gcc.c (.h spec): Fix typo.
6174 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6176 * Makefile.in: Fix tradcif.c path.
6178 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6180 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6183 * cpphash.h (TOKEN_NAME): New macro.
6184 (_cpp_spell_operator): Deleted.
6185 (token_spellings): Now _cpp_token_spellings.
6187 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6188 * cpplex.c: Use OP and TK macros when expanding the
6189 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6190 store the stringification of the enumeration name (CPP_CHAR,
6191 etc.) in the name slot of token_spellings.
6192 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6193 token_spellings directly.
6194 * cpplib.c: Use TOKEN_SPELL.
6196 * cpplex.c (_cpp_push_token): If the token being pushed back
6197 is the previous token in this context, just subtract one from
6199 * cppmacro.c (save_expansion): Clear aux field when storing a
6202 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6204 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6205 buffer, provided it is not NULL.
6207 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6209 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6210 case of invalid volatile re-declaration.
6212 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6214 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6215 (expand_call): Adjust caller.
6217 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6219 * diagnostic.h (report_diagnostic): Change prototype.
6221 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6222 diagnostic_for_decl): Change prototype.
6223 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6224 error, warning, error_with_file_and_line,
6225 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6226 Adjust call to report_diagnostic, diagnostic_for_decl.
6227 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6228 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6230 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6231 varaible argument list.
6233 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6235 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6236 moved to cppmacro.c.
6237 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6238 dump_hash_helper): Delete.
6239 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6240 cpp_forall_identifiers): New. Implement specialized version of
6241 Vlad's expandable hash table.
6242 (cpp_lookup): Use new functions.
6243 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6245 * cppmacro.c: New file.
6246 * cppinit.c (dump_macros_helper): New.
6247 (cpp_finish): Iterate over the identifier table directly.
6248 * cpplex.c (parse_name): Calculate the hash of the identifier
6249 while we scan it. Use _cpp_lookup_with_hash when we can.
6251 * cpphash.h: Update prototypes.
6252 (xcnewvec, HASHSTEP): New helper macros.
6253 * cpplib.h: Update prototypes.
6254 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6255 (cppmacro.o): New rule.
6256 (cpphash.o): Update deps.
6258 * cppmain.c: Do not set pfile->printer if no_output is on.
6260 2000-07-15 Neil Booth <neilb@earthling.net>
6262 * cpplib.c: Change all directive-handler functions to return
6264 * cpphash.h: Update typedefs.
6266 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6268 * configure: Regenerate.
6270 * extend.texi (Extended Asm): Mention that a memory clobber
6271 does not count as a side-effect.
6273 * unroll.c (copy_loop_body): Fix one instance of using host
6274 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6277 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6279 2000-07-17 Richard Henderson <rth@cygnus.com>
6281 * config/ia64/ia64.md (movdi): Split out load address code.
6282 New post-reload splitter for symbolic operands.
6283 (movdi_internal): Abort if we didn't split symbolic operands
6284 when we should have.
6285 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6286 (ia64_reorg): Split insns when not optimizing.
6287 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6289 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6291 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6292 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6294 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6296 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6298 2000-07-17 Jason Merrill <jason@redhat.com>
6300 * Makefile.in (clean): Remove libgcc directory.
6302 * configure.in (-Wno-long-long check): Use higher-level macros.
6304 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6306 * simplify-rtx.c (simplify_binary_operation): Recognize
6307 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6308 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6309 a CONST_INT, it will always be zero.
6311 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6313 * loop.c (check_dbra_loop) : Return if more than one condition is
6314 present to control the loop.
6316 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6318 * mips.c (mips_expand_prologue): Don't calculate the last argument
6319 register unless we need it. When we are calculating this, make
6320 sure FUNCTION_ARG is giving us a REG.
6322 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6324 * flow.c (libcall_dead_p): Use single_set to verify the insn
6325 has only one set and get for analysis.
6326 (propagate_one_insn): Don't pass the PATTERN of the insn.
6328 2000-07-17 Mark Klein <mklein@dis.com>
6330 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6332 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6334 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6335 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6336 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6337 of second argument of getgroups.
6338 * configure, config.in: Rebuilt.
6340 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6342 * simplify-rtx.c (simplify_relational_operation): Two signed
6343 values with equal high words are less/greater than each other if
6344 their low words are less/greater when considered as unsigned.
6346 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6348 * configure.in (vax-*-openbsd): Change to new style configuration,
6349 add collect2/float_format information.
6350 * configure: Rebuilt.
6351 * config/vax/openbsd1.h: New.
6352 * config/vax/openbsd.h: New.
6353 * config/vax/t-openbsd: New.
6355 2000-07-17 Chip Salzenberg <chip@valinux.com>
6357 * c-common.c (shorten_compare): Quiet warnings about unsigned
6358 comparisons with zero when they occur in a system header.
6360 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6362 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6363 update to describe current practice.
6365 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6367 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6368 references to C9X. Change references to -fstd and -flang-isoc9x
6371 * c-common.c (scan_char_table): Allow "z" length modifiers on
6373 (check_format_info): Use TYPE_DOMAIN on the type matched against
6374 for "z" formats, to retrieve the language size_t rather than the
6377 * c-common.c (check_format_info): Do not make a pedantic objection
6378 to the 'L' length modifier if used with a floating point type
6381 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6382 constants in C99 mode.
6384 2000-07-17 Kazu Hirata <kazu@hxi.com>
6386 * h8300.md: Fix the format of mac.
6387 (movsi_h8300hs): Output a tab after stmac instead of a space.
6389 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6390 profitable adds/subs sequences.
6392 * fold-const.c: Fix comment typos.
6394 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6396 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6398 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6400 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6402 2000-07-16 Neil Booth <NeilB@earthling.net>
6404 * cpplex.c: Update comments.
6405 * README.Portability: Small update.
6407 2000-07-16 Neil Booth <NeilB@earthling.net>
6409 * README.Portability: Small update.
6411 2000-07-15 Richard Henderson <rth@cygnus.com>
6413 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6414 * config/ia64/ia64.c (ia64_move_ok): New function.
6415 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6416 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6418 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6420 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6421 immediately following a paste operator.
6422 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6423 (cpp_reader_init): Call it, if HOST_EBCDIC.
6424 (cpp_handle_options): Do not sort option list here.
6425 (handle_option): Rename to cpp_handle_option and export.
6426 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6427 _cpp_get_token directly.
6428 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6429 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6430 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6433 2000-07-15 Richard Henderson <rth@cygnus.com>
6435 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6436 cast around an expression. Tidy other unsigned tests.
6438 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6440 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6441 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6442 (v_message_with_decl): Rename to ...
6443 (format_with_decl): ... this. Tweak
6444 (diagnostic_for_decl): New function.
6445 (fatal_io_error): Use verbatim in lieu of notice.
6446 (announce_function): Use verbatim.
6447 (default_print_error_function): Likewise.
6448 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6451 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6453 * mips.c (function_arg_pass_by_reference): Don't do automatic
6454 aggregate initialization.
6455 (machine_dependent_reorg): Initialize variable `mode'.
6457 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6458 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6459 conflicts with sys/param.h macro of the same name.
6460 (reload_outdi): Likewise.
6462 2000-07-15 Michael Meissner <meissner@redhat.com>
6464 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6465 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6466 create a new node instead.
6468 2000-07-15 Neil Booth <NeilB@earthling.net>
6470 * README.Portability: Correct example about calling a function
6471 through a pointer to function. Format wide paragraphs.
6473 2000-07-15 Michael Meissner <meissner@redhat.com>
6475 * README.Portability: Update integer suffixes and function
6478 2000-07-15 Neil Booth <NeilB@earthling.net>
6480 * README.Portability: Small update.
6482 2000-07-15 Neil Booth <NeilB@earthling.net>
6484 * README.Portability: New file.
6486 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6488 * INSTALL: Give special instructions for building GCC on Irix 6.
6489 * config/mips/x-iris6 (CC): Don't set it.
6492 2000-07-14 Jason Merrill <jason@redhat.com>
6494 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6495 register in the stack and later in another register, use the new
6498 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6500 * config/mips/mips.md: (absdi2): Handle sign_extend for
6503 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6505 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6507 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6509 * .cvsignore: Correct typo.
6511 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6513 * .cvsignore: Add generated YACC files.
6514 * objc/.cvsignore: New file.
6516 2000-07-14 Neil Booth <NeilB@earthling.net>
6518 * cpplex.c (adjust_column): New funcion.
6519 (skip_whitespace): Use it.
6520 (skip_block_comment): Use it, and warn about /*/* with
6523 2000-07-14 Neil Booth <NeilB@earthling.net>
6525 * cpphash.c (struct macro_info): Add new members.
6526 (_cpp_free_definition): Delete the macro directly.
6527 (count_params): Return void, with first token of
6528 expansion in struct macro_info on success.
6529 (parse_define): Return int. Hoist syntax checking from
6530 save_macro_expansion. Leave call to save_expansion to
6531 _cpp_create_definition.
6532 (alloc_macro): Needs just 2 arguments.
6533 (free_macro): Delete.
6534 (save_expansion): Don't perform syntax check.
6535 (_cpp_create_definition): Call save_expansion.
6537 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6539 * genrecog.c (write_header): Split long string.
6541 * cpphash.c (macro_info): Don't use the `signed' keyword.
6543 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6545 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6547 * calls.c (stored_args_map): New variable.
6548 (check_sibcall_argument_overlap_1): New.
6549 (check_sibcall_argument_overlap): New.
6550 (expand_call): Initialize stored_args_map.
6551 Call check_sibcall_argument_overlap.
6553 2000-07-13 Bruce Korb <bkorb@gnu.org>
6555 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6556 (emit_gnu_type): utility procedure for gnu_type_fix
6557 (gnu_type_fix): implement various pre-processor guards around
6558 standard types so these types can be defined over and over
6559 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6560 types alluded to above will have GNU-compliant base types
6561 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6562 * fixinc/inclhack.def: add test_text entries and utilize the new
6563 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6564 * fixinc/fixincl.x: regenerate
6566 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6568 * diagnostic.c (vline_wrapper_message_with_location,
6569 v_message_with_file_and_line, v_error_with_file_and_file,
6570 v_error_for_asm, v_warning_for_asm, vfatal,
6571 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6572 vsorry, verror, vwarning, vpedwarn): Remove.
6573 (diagnostic_for_asm): New function.
6574 (pedwarn, error, warning, pedwarn_with_file_and_line,
6575 error_with_file_and_line, warning_with_file_and_line, sorry,
6576 error_for_asm, warning_for_asm, fatal): Reimplement.
6577 (finish_diagnostic): Clear diagnostic info as well.
6579 2000-07-13 Neil Booth <NeilB@earthling.net>
6581 * c-common.h (flag_digraphs): New.
6582 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6583 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6586 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6588 * gcc.c (do_spec_1): Add new %B operator.
6589 (set_input): Prepare for %B.
6591 (link_command_spec): Move up with the other tm.h-
6592 overrideable specs. Factor out the portion conditional on
6593 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6594 (struct compiler): Just have a single spec string. All users
6596 (default_compilers): Remove unnecessary braces.
6597 (static_specs): Update.
6599 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6601 (C and assembly specs): Use the new named specs, as appropriate.
6603 * objc/lang-specs.h: Use the new named specs.
6604 Remove unnecessary braces.
6606 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6608 * gcc.c (execute): If a subprocess gets a fatal signal, report
6609 strsignal() of the signal number, and ask for a bug report.
6610 Do not do this for SIGPIPE if there's already been an error.
6612 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6615 * tradcif.c: Remove.
6617 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6619 * final.c (profile_function): Do not emit profile counters in
6620 the data section, if NO_PROFILE_COUNTERS is defined.
6621 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6624 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6625 (FUNCTION_PROFILER): Just emit a call to mcount.
6627 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6629 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6631 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6632 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6633 traditional, lang_chill, or lang_fortran.
6635 * cppfiles.c: #undef strcmp to suppress warning about macros
6636 used without arguments.
6637 (_cpp_execute_include): Use f, not fname, in "No include path"
6639 (_cpp_pop_file_buffer): New function.
6640 * cpplib.c: Don't include <sys/mman.h>.
6641 (cpp_push_buffer): Set line_base and lineno in new buffer.
6642 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6644 * cpplex.c: Move all prototypes and structure declarations to the
6645 top of the file. Properly parenthesise some macro arguments.
6646 (cpp_scan_line): New function.
6647 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6648 don't need to walk up the stack counting.
6650 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6652 * c-common.c (combine_strings): Emit a pedantic warning when a
6653 string length is greater than the minimum ANSI C is required
6656 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6658 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6659 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6661 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * c-decl.c (define_label): Warn about identifier conflicts with
6664 labels in traditional C.
6666 * c-parse.in (unop +): Warn about the unary plus operator for
6669 * c-typeck.c (store_init_value): Warn about automatic aggregate
6670 initialization for traditional C.
6672 * invoke.texi (-Wtraditional): Document new warnings.
6674 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6676 * Makefile.in (c-errors.o): Fix thinko in dependency.
6678 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6680 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6681 -traditional, -ftraditional, or -traditional-cpp was given.
6682 Do not pass -traditional to the preprocessor.
6683 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6684 preprocessor does it automatically.
6685 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6687 * ch/lang-specs.h: Always use tradcpp. Do not pass
6688 -traditional, -trigraphs, or -pedantic to the preprocessor.
6689 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6692 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6694 * cppexp.c (LOGICAL): Delete macro.
6695 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6698 * cpphash.c (HASHSIZE): Increase to 4096.
6699 (struct hashdummy): Add hash field.
6700 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6701 the string values using memcmp.
6702 (cpp_lookup): Set dummy.hash.
6704 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6706 * configure.in (m88k-openbsd): Express configuration using new fragment
6708 * configure: Rebuilt.
6709 * m88k/aout-dbx.h: New.
6710 * m88k/openbsd.h: New.
6711 * m88k/xm-openbsd.h: New.
6713 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6715 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6717 2000-07-12 Richard Henderson <rth@cygnus.com>
6719 * reload.c (push_secondary_reload): Make sure to add the new
6720 reload at the end, after acquiring secondary memory.
6722 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6724 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6726 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6727 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6729 * c-parse.in (stmt): Delete unused variables.
6731 * convert.c (convert_to_vector): Likewise.
6733 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6735 * tree.c (finish_vector_type): Prototype.
6737 2000-07-12 Bruce Korb <bkorb@gnu.org>
6739 * fixinc/fixfixes.c: use xmalloc
6740 * fixinc/fixincl.c(initialize): set program name for xmalloc
6741 * fixinc/fixlib.c(must_malloc): obsolete
6742 (is_cxx_header): no longer used - disabled
6743 (skip_quote): inserted and disabled for future use
6744 * fixinc/fixlib.h: reflects above
6745 * fixinc/fixtests.c: removed dinkleberries
6747 2000-07-12 Neil Booth <NeilB@earthling.net>
6749 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6750 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6752 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6753 struct toklist_dummy): New.
6754 (cpp_free_definition): Free macros with free_macro.
6755 (count_params): Don't save paramter spellings. Save macro
6756 information in a struct macro_info.
6757 (parse_define): Don't allocate a token list.
6758 (save_expansion): Allocate the macro's token list, and
6759 save parameter spellings if necessary. Use TOKEN_SPELL.
6760 (cpp_create_definition): Make list const.
6762 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6764 * c-typeck.c (pedwarn_c99): Move to
6765 * c-errors.c: ... Here.
6766 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6767 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6768 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6769 (c-errors.o): List dependency.
6771 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6773 * c-parse.c: Remove.
6774 * c-parse.h: Likewise.
6775 * c-parse.y: Likewise.
6776 * objc/objc-parse.c: Likewise.
6777 * objc/objc-pasre.y: Likewise.
6779 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6781 * gcc.texi: Fix minor typos
6782 * extend.texi: Fix minor typos
6784 2000-07-11 Marc Espie <espie@openbsd.org>
6786 * collect2.c (main): Recognize .lo as object files.
6788 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6790 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6793 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6794 with MAP_ANONYMOUS and MAP_ANON.
6795 * configure, config.in: Rebuilt.
6797 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6799 * diagnostic.c (save_output_state): Remove.
6800 (restore_output_state): Likewise.
6801 (clear_text_info): New function.
6802 (clear_diagnostic_info): Likewise.
6803 (output_text_length, is_starting_newline, output_prefix,
6804 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6805 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6806 (set_real_maximum_length, output_set_maximum_length,
6807 output_set_prefix, output_get_prefix, output_set_maximum_length,
6808 output_destroy_prefix, init_output_buffer,
6809 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6810 output_add_newline, output_add_character, output_add_space,
6811 output_append_r, output_append, wrap_text, output_format,
6812 output_do_printf, output_printf, output_do_verbatim,
6813 output_verbatim, verbatim): Use them.
6814 (output_clear): Split into cleat_text_info and
6815 clear_diagnostic_info.
6816 (struct output_state): Move to...
6818 * diagnostic.h: ...Here
6819 (struct output_buffer): Adjust.
6821 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6823 * cpplex.c (parse_name): No longer inline (premature optimization).
6824 (do_pop_context): Fold into pop_context.
6825 (pop_context): Returns int.
6826 (lex_next): Hoist test for end of directive into pop_context.
6827 (push_macro_context): Returns int; takes just reader and token.
6828 Hoist test for excessive nesting to caller.
6829 (push_arg_context): Returns void; takes just reader and token.
6830 Do not call stringify_arg or get_raw_token.
6831 (get_raw_token): Convert tail recursion through push_arg_context
6832 to a loop at this level. Call stringify_arg here if appropriate.
6833 (maybe_paste_with_next): Convert tail recursion to a while loop.
6834 Hoist test of paste_level to caller.
6836 (stringify_arg): Push arg context at beginning.
6837 (cpp_get_token): Split out core into _cpp_get_token. Call
6838 process_directive here. Throw away CPP_PLACEMARKER tokens.
6839 (_cpp_get_token): Convert tail recursion through
6840 push_macro_context to a loop at this level.
6841 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6842 _cpp_get_raw_token): Use _cpp_get_token.
6843 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6844 not call pop_context.
6845 (_cpp_run_directive): Call lex_next directly.
6847 * cpphash.h: Prototype _cpp_get_token.
6848 * cppexp.c (lex): Use it.
6849 * cpphash.c (parse_define): Use it.
6850 * cpplib.c (get_define_node, do_undef, parse_include,
6851 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6852 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6853 parse_ifdef, validate_else): Use it.
6854 (cpp_push_buffer): Tweak error message; abort if anyone tries
6855 to push a buffer while macro expansions are stacked.
6857 2000-07-11 Donn Terry <donnte@microsoft.com>
6859 * cpplex.c (free_macro_args, save_token): Cast arg of free
6860 and/or xrealloc to PTR.
6861 (_cpp_init_input_buffer): Clear all fields of the base context.
6863 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6865 * gensupport.c (process_rtx): Make rtl checking stop
6866 complaining about the define_insn while it is being
6867 converted from a define_insn_and_split.
6869 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6871 * config/mips/mips.c (simple_memory_operand): Access the
6872 INTVAL of the address, not it's containing MEM.
6874 2000-07-11 Bruce Korb <bkorb@gnu.org>
6876 * fixinc/fixtests.c(double_slash): obsolete
6877 (else_endif_label): likewise
6878 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6879 (libc1_ifdefd_memx): correct initial comment
6880 and omit the #if/#endif pair from the memxxx declarations
6881 * fixinc/fixincl.x: regen
6883 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6885 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6887 2000-07-11 Neil Booth <NeilB@earthling.net>
6891 2000-07-11 Neil Booth <NeilB@earthling.net>
6893 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6894 (handle_option): Set digraphs according to standard.
6895 Merge OPT_lang_c89 handler with OPT_std_c89.
6897 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6898 accordance with the digraphs flag.
6900 * cpplib.h: (struct cpp_options): New option digraphs.
6902 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6903 Bruce Korb <bkorb@gnu.org>
6905 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6906 * fixinc/fixincl.x: Regenerate.
6907 * fixinc/tests/base/testing.h: Add testcase.
6909 2000-07-10 Richard Henderson <rth@cygnus.com>
6911 * config/ia64/ia64.c (got_symbolic_operand): New.
6912 (symbolic_operand, move_operand): Revert 0701 change.
6913 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6914 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6915 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6916 split the offset into a 14-bit low part instead of a 13-bit low part.
6917 (load_fptr): Mark the mem as unchanging.
6918 (load_symptr): Use got_symbolic_operand.
6920 2000-07-10 Nick Clifton <nickc@cygnus.com>
6922 * libgcc2.c (next_stack_level): Cast result of computation to
6923 (void **) so that the assignment does not generate a warning.
6925 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6927 * flags.h : Add new variable flag_single_precision_constant.
6928 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6929 (flag_single_precision_constant): New.
6930 * c-lex.c (yylex): Convert floating point constant to single
6932 * invoke.texi : Add documentation for this new option.
6934 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6936 * diagnostic.c (output_octal): Second parameter is unsigned.
6937 (output_long_octal): Likewise.
6938 (output_hexadecimal): Likewise.
6939 (output_long_hexadecimal): Likewise.
6940 (output_format): Adjust arguments extraction. Tweak.
6941 (output_verbatim, verbatim): End variable argument list.
6942 (report_diagnostic): Improve documentation.
6944 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6946 * c-common.h (build_stmt): Declare.
6947 (build_continue_stmt): Likewise.
6948 (build_break_stmt): Likewise.
6949 (build_return_stmt): Likewise.
6951 * c-decl.c (do_case): Rewrite to do what previously done in
6954 * c-semantics.c (build_stmt): Define.
6955 (build_return_stmt): Likewise.
6956 (build_break_stmt): Likewise.
6957 (build_continue_stmt): Likewise.
6958 (build_case_label): Likewise.
6960 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6961 (CONTINUE): Likewise.
6964 (DEFAULT): Likewise.
6966 * c-parse.y: Regenerate.
6967 * c-pasre.c: Likewise.
6969 2000-07-09 Jason Merrill <jason@redhat.com>
6971 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6973 * tree.h (STRIP_NOPS): Check for error_mark_node.
6974 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6975 (dwarf2out_*): Remove duplicate declarations.
6977 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6978 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6980 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6982 * diagnostic.c (wrap_text): New function.
6983 (maybe_wrap_text): Likewise.
6984 (output_add_string): Use it.
6985 (output_format): Likewise.
6986 (count_error): Use verbatim instead of notice.
6987 (report_error_function): Likewise. Don't use plain fprintf.
6988 (finish_diagnostic): New function.
6989 (output_do_verbatim): Tweak. Commonalize functionalities in
6990 output_verbatim and verbatim.
6991 (output_verbatim): Adjust.
6992 (verbatim): Likewise.
6993 (report_diagnostic): Define.
6995 * diagnostic.h (report_diagnostic): Prototype.
6997 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6999 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7001 2000-07-09 Neil Booth <NeilB@earthling.net>
7003 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7004 IShspace, ISspace: Update.
7006 * cppinit.c: ISTABLE: Update.
7009 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7010 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7011 (skip_block_comment, skip_line_comment, parse_string,
7012 lex_line): Use is_vspace rather than IS_NEWLINE.
7013 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7014 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7016 (lex_next): Unconditionally stop if within a directive.
7017 Treat directives within macro invocations as directives
7018 (after parse_args emits error), not as the argument.
7020 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7022 * diagnostic.c (diagnostic_args): New macro.
7023 (diagnostic_msg): Likewise.
7024 (output_formatted_integer): Likewise.
7025 (output_state): New data type.
7026 (digit_buffer): Make global.
7027 (output_add_integer): Rename to output_decimal. Squeeze
7029 (output_long_decimal, output_unsigned_decimal,
7030 output_long_unsigned_decimal, output_octal, output_long_octal,
7031 output_hexadecimal, output_long_hexadecimal): New functions.
7032 (output_append_r): New function.
7033 (output_append): Tweak.
7034 (output_flush_on): Rename to output_to_stream.
7035 (output_format): Change prototype. Improve documentation. Handle
7036 more format specifiers.
7037 (build_location_prefix): Rename to context_as_prefix.
7038 (output_notice): Rename to output_do_printf.
7039 (output_printf): Tweak.
7040 (line_wrapper_printf): Likewise.
7041 (vline_wrapper_message_with_location): Adjust call to renamed
7043 (v_message_with_decl): Likewise.
7044 (default_print_error_function): Likewise.
7045 (save_output_state): New function.
7046 (restore_output_state): Likewise.
7047 (output_do_verbatim): Likewise.
7048 (output_verbatim): Define.
7049 (verbatim): Likewise.
7051 * diagnostic.h (printer_fn): Change return type from void to int.
7052 Improve documentation.
7053 (output_add_integer): Rename to output_decimal.
7054 (output_flush_on, output_format): Don't export.
7055 (output_verbatim, verbatim): Declare.
7057 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7059 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7060 Check whether c divides op1 exactly if operation is not
7063 2000-07-08 Richard Henderson <rth@cygnus.com>
7065 * final.c (final): Do not abort when reg-stack introduces
7068 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7070 * cpplib.h (struct cpp_name): Now struct cpp_string.
7071 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7072 CPP_HEADER_NAME): Change to type S.
7073 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7074 field, a cpp_hashnode *. All references to val.name updated
7075 to use val.str or val.node as appropriate.
7076 (struct cpp_reader): Add spec_nodes field.
7077 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7079 * cpphash.h (struct spec_nodes): New.
7080 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7081 val.str. All references to 'spelling > SPELL_NONE' updated to
7084 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7085 pfile->buffer->inc are not NULL before dereferencing them.
7087 * cpplex.c (parse_name): Take a pointer to the current token,
7088 plus current position and limit as args; return the new
7089 position; don't copy the text of a name into the string
7090 buffer, instead call cpp_lookup and store the node pointer.
7091 If extending a token, copy out the text of the old into a
7092 scratch buffer, append the new, look that up and store the new
7093 node pointer. Inline.
7094 (maybe_paste_with_next): If the result of paste is a NAME,
7095 then look up the pasted text and store its node pointer.
7096 (lex_line): Adjust for new parse_name interface.
7097 Check for L"str", L'str' using spec_nodes->n_L.
7098 (spell_token): SPELL_IDENT tokens have their spelling in
7099 val.node->name. Handle SPELL_STRING tokens that don't have
7101 (_cpp_expand_name_space,
7102 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7103 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7104 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7105 return 1=equal 0=not, not a tristate.
7107 * cpphash.c (var_args_str): Delete.
7108 (find_param): Compare node fields directly.
7109 (is__va_args__): Use CPP_PEDANTIC. Just compare
7110 token->val.node with spec_nodes->n__VA_ARGS__.
7111 (dump_funlike_macro): Don't use var_args_str.
7113 * cpplib.c (_cpp_check_directive): Just walk through
7114 spec_nodes->dirs comparing pointers.
7115 (get_define_node, do_pragma_poison, detect_if_not_defined,
7116 parse_ifdef): The identifier has already been looked up.
7117 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7119 (do_if): Only call detect_if_not_defined at beginning of file.
7120 (_cpp_parse_assertion): Only copy string pointers for
7121 SPELL_STRING tokens.
7122 (pragma_dispatch): Take a node pointer and examine its name
7124 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7126 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7128 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7129 reverse order from the corresponding _cpp_init_* routines.
7131 * cppexp.c (parse_number, parse_charconst, parse_defined,
7132 lex): Check val.node->type instead of calling cpp_defined.
7133 Use spec_nodes entries where appropriate.
7135 * fix-header.c, scan-decls.c: Update for interface changes.
7137 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7139 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7140 emitting aux_truncdfsf2.
7142 2000-07-03 Donn Terry (donnte@microsoft.com)
7144 * cppinit.c (print_help): split overlong line into ISO C89
7147 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7149 * cppexp.c: Update all code for new lexer interface.
7150 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7151 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7152 * cpplex.c (token_names): Trim leading CPP_ from names; make
7153 the strings unsigned.
7154 (_cpp_spell_operator): New.
7155 (is_macro_disabled): Disable all macros if rescanning
7157 (_cpp_get_directive_token): Remove.
7159 * cppinit.c: Don't set no_macro_expand.
7160 * cpplib.c (read_line_number, do_line): Check only for EOF,
7162 * cpphash.h: Update prototypes.
7163 * cpplib.h (CPP_VSPACE): Remove.
7164 (struct cpp_reader): Remove no_macro_expand.
7166 2000-07-08 Neil Booth <NeilB@earthling.net>
7168 * cpphash.c (is__va_args__): New function.
7169 (count_params): Fix line reported in error messages. Use
7170 is__va_args__. Don't return ')' on error. Flag GNU style
7171 rest args macro definitions.
7172 (parse_define): Check macro name is not __VA_ARGS__.
7173 (save_expansion): Check identifier in non-varargs-macro is
7174 not __VA_ARGS__. Don't flag GNU_VARARGS.
7175 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7176 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7177 than per-token GNU_VARARGS.
7178 * cpplib.h (GNU_VARARGS): Remove.
7179 (GNU_REST_ARGS): New.
7181 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7183 * i386.md (call_pop, call, call_value_pop): Do not set
7184 current_function_uses_pic_offset_table for calls to static
7185 functions or indirect calls.
7187 2000-07-07 Jim Wilson <wilson@cygnus.com>
7189 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7190 is_predicate_reg, then take max write_count of register pair.
7192 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7194 * tradcpp.c (main): Rename label `include' to `add_include' to
7195 avoid conflicts with variable `include' in traditional C.
7197 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7199 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7201 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7203 * sibcall.c (uses_addressof): Add INMEM argument, check for
7204 current_function_internal_arg_pointer outside of MEM rtxs in addition
7206 (sequence_uses_addressof): Update caller.
7208 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7210 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7213 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7215 * system.h (UNION_INIT_ZERO): New macro for initializing union
7218 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7220 2000-07-07 Neil Booth <NeilB@earthling.net>
7224 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7226 * final.c (final): Detect out of bounds array access to
7227 the insn_lengths array.
7229 2000-07-07 Kazu Hirata <kazu@hxi.com>
7231 * fold-const.c (fold): Fix a comment typo.
7233 2000-07-07 Neil Booth <NeilB@earthling.net>
7235 * cpp.texi: Update to new lexer.
7237 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7239 * tradcpp.c: New file.
7240 * tradcif.y: New file.
7241 * tradcif.c: New generated file.
7243 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7244 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7245 dependencies of C. Install tradcpp from install-common, in
7248 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7250 * cppinit.c: Include cppdefault.h. Refer to
7251 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7252 to GCC_INCLUDE_DIR and its length.
7253 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7254 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7255 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7257 (include_defaults_array): Move to cppdefault.c.
7259 * cppdefault.h: New file.
7260 * cppdefault.c: New file.
7262 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7263 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7264 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7267 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7269 * reload.c (push_reload): When seeing if can reuse a register,
7270 check extra registers against widest of INMODE and OUTMODE.
7272 2000-07-06 Neil Booth <NeilB@earthling.net>
7274 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7275 based on full length of predicate.
7277 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7279 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7280 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7282 2000-07-05 Kazu Hirata <kazu@hxi.com>
7284 * h8300-proto.h: Fix formatting.
7285 * h8300.c: Likewise.
7286 * h8300.h: Likewise.
7288 2000-07-05 Jim Wilson <wilson@cygnus.com>
7290 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7293 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7295 * invoke.texi: Fix minor typos
7296 * md.texi: Fix minor typos
7298 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7300 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7302 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7304 * cpplex.c: Don't include sys/mman.h.
7305 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7307 * cpplib.c: Include sys/mman.h and obstack.h.
7308 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7310 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7311 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7312 bother freeing if stack entries (they will be freed with their buffer).
7313 (do_endif): Free if stack entries from the buffer obstack.
7314 (push_conditional): Allocate if stack entries from the buffer obstack.
7316 (find_answer): Rename to _cpp_find_answer.
7317 (do_assert, do_unassert): Update.
7319 * cpphash.h: Update prototypes.
7320 (xobnew): New convenience macro.
7321 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7323 (struct cpp_hashnode): Remove disabled field.
7325 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7326 (report_missing_guard): Moved to cppfiles.c.
7327 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7329 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7330 cpp_cleanup_includes. Don't destroy hashtab or
7331 all_include_files here.
7332 (cpp_finish): Use _cpp_report_missing_guards.
7334 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7335 (_cpp_init_include_table): Rename _cpp_init_includes.
7336 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7338 * cppexp.c (parse_assertion): Update for new name of
7341 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7343 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7345 * cpplib.c (do_ident): s/VSPACE/EOF/
7347 2000-07-05 Neil Booth <NeilB@earthling.net>
7349 * cpplex.c: Fix trigraph replacement within strings.
7351 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7353 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7355 * xcoffout.c (assign_type_number): Constify.
7356 (xcoffout_source_file): Add static prototype. Don't needlessly
7357 cast away const-ness.
7359 2000-07-04 Jason Merrill <jason@redhat.com>
7361 * frame.h (frame_state): Move base_offset to end.
7363 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7365 * calls.c (emit_library_call_value_1): Revert previous change.
7367 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7369 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7370 (recognized_extern, recognized_function, read_scan_file):
7371 Update for new scheme.
7372 (check_protection): It's still a multiple include guard even
7373 if it doesn't always trigger.
7374 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7376 * scan.h: Declare struct cpp_token. Update prototypes.
7378 2000-07-03 Neil Booth <neilb@earthling.net>
7379 Zack Weinberg <zack@wolery.cumb.org>
7381 Complete overhaul of the lexer and macro expander.
7383 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7384 arg, arglist, argdata, reflist, collect_objlike_expansion,
7385 collect_funlike_expansion, collect_params,
7386 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7387 unsafe_chars, macarg, compare_defs, special_symbol,
7388 scan_arguments, stringify, funlike_macroexpand,
7389 _cpp_quote_string, monthnames): Delete.
7390 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7391 _cpp_create_definition, _cpp_dump_definition,
7392 dump_hash_helper): Adjust.
7393 (find_param, count_params, parse_define, var_args_str,
7394 check_macro_redefinition, save_expansion): New.
7396 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7397 parse_string, output_line_command, trigraph_replace,
7398 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7399 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7400 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7401 _cpp_skip_rest_of_line): Modify.
7403 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7404 find_position, null_warning, bump_column, expand_name_space,
7405 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7406 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7407 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7408 _cpp_prescan): Delete.
7410 (dump_param_spelling, process_directive, lex_next,
7411 is_macro_disabled, stringify_arg, expand_context_stack,
7412 output_token, make_string_token, alloc_number_token,
7413 special_symbol, duplicate_token, maybe_paste_with_next,
7414 can_paste, prevent_macro_expansion, restore_macro_expansion,
7415 get_temp_token, release_temp_tokens, quote_string,
7416 token_names, token_spellings, _cpp_expand_name_space,
7417 _cpp_glue_header_name, _cpp_reserve_name_space,
7418 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7419 placemarker_token, eof_token, cpp_context, macro_args,
7420 get_raw_token, parse_arg, parse_args, save_token,
7421 push_arg_context, push_macro_context, pop_context,
7422 do_pop_context, free_macro_args, _cpp_get_line,
7423 _cpp_run_directive): New.
7425 * cpplib.c (validate_else, parse_include, push_conditional,
7426 pass_thru_directive, read_line_number, parse_ifdef,
7427 detect_if_not_defined, _cpp_check_directive, do_define,
7428 do_undef, do_include, do_import, do_include_next, do_error,
7429 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7430 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7431 do_pragma_poison, do_pragma_system_header,
7432 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7433 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7434 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7435 cpp_defined): Update for new scheme.
7436 (strtoul_for_line, get_define_node, dump_macro_name,
7437 _cpp_check_linemarker, _cpp_parse_assertion): New.
7438 (_cpp_handle_directive, do_pragma_default): Delete.
7440 * cpphash.h (struct predicate): Now struct answer.
7441 (enum spell_type, struct token_spelling, struct directive,
7442 directive_handler): New.
7443 Update prototypes. Remove unused macros.
7444 * cpplib.h: Update prototypes. Remove unused macros,
7445 structure definitions, and fields.
7447 * cpperror.c (print_containing_files, v_message): Adjust.
7448 * cppexp.c (parse_assertion, lex, parse_escape,
7449 _cpp_parse_expr): Adjust.
7450 * cppfiles.c (open_include_file, _cpp_execute_include,
7451 _cpp_compare_file_date, cpp_read_file, read_include_file):
7453 * cppinit.c (dump_special_to_buffer): Delete.
7454 (append_include_chain, merge_include_chains, cpp_reader_init,
7455 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7456 cpp_finish, handle_option, print_help): Adjust.
7457 * cppmain.c (main): Adjust.
7459 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7461 * cppspec.c (lang_specific_driver): Use double quotes in error
7464 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7466 * calls.c (emit_library_call_value_1): Use valreg instead
7467 of hard_libcall_value.
7469 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7471 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7472 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7473 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7481 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7482 mode instead of wider_mode is being used.
7484 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7486 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7487 of 'r'. Use q_regs_operand.
7488 (andsi_1+2): Use q_regs_operand.
7490 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7492 * builtins.c (get_memory_rtx): Always put into alias set 0.
7494 2000-07-03 Nick Clifton <nickc@cygnus.com>
7496 * config/arm/arm.md: Fix post increment and pre increment
7497 peepholes so that they do not generate UNPREDICATBLE opcodes.
7498 (ie ones where the increment clobbers the source/destination).
7500 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7502 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7503 change too big for -mtiny-stack" a warning, if larger than 63.
7504 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7505 always safe to use on possible future devices.
7506 (function_prologue): Write SPH before SPL, for consistency.
7507 If interrupt_func_p true, we know we have enabled interrupts.
7508 (avr_num_arg_regs): New function. Round up to even number of
7509 bytes if no -mpack-args or if calling a libgcc function.
7510 (function_arg, function_arg_advance): Use it.
7511 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7512 Output "movw" if available.
7513 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7514 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7515 (asm_output_section_name): Add blanks for consistent output.
7516 (encode_section_info): Set TREE_READONLY for progmem data to
7517 avoid gas warnings about changed section attributes.
7518 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7519 even numbered registers on devices with "movw".
7520 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7521 (TARGET_SWITCHES): Mark help strings for translation.
7522 Add new -mpack-args and -menhanced switches.
7523 (TARGET_OPTIONS): Mark help strings for translation.
7524 (progmem_section): Add section attributes.
7525 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7526 Output "movw" if available.
7527 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7529 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7530 call convention (arguments aligned on even registers).
7531 (_cleanup, _exit): Make weak symbols libc can override.
7533 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7535 * fp-bit.h: New file.
7537 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7538 Comment #endif statements.
7539 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7541 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7543 * gcse.c (compute_pre_data): Compute ae_kill using other local
7544 properties instead of calling compute_ae_kill.
7546 * alias.c (init_alias_analysis): Do not call
7547 prologue_epilogue_contains until after reload has completed.
7549 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7551 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7552 (genrtl_finish_compound_stmt): Likewise.
7553 (genrtl_compound_stmt): Change to return void.
7555 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7556 move code from here to ...
7557 (genrtl_compound_stmt): ... here.
7558 (genrtl_finish_compound_stmt): Remove.
7559 (expand_stmt): Add comment.
7561 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7563 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7566 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7568 * cpplib.h (struct cpp_reader): New field include_depth.
7569 (struct cpp_printer): Rename last_bsd to last_id.
7570 * cppfiles.c (read_include_file): Bump include_depth.
7571 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7572 (output_line_command): Output correct #line if a header
7573 is including itself and is not protected against multiple inclusion.
7574 Use include_depth instead of buffer_stack_depth, last_id instead of
7576 * cppinit.c (cpp_start_read): Initialize last_id instead of
7579 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7581 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7582 (c-semantics.o): New target.
7584 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7585 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7586 (genrtl_clear_out_block): Likewise.
7587 (genrtl_goto_stmt): Likewise.
7588 (genrtl_expr_stmt): Likewise.
7589 (genrtl_decl_stmt): Likewise.
7590 (genrtl_if_stmt): Likewise.
7591 (genrtl_while_stmt): Likewise.
7592 (genrtl_do_stmt): Likewise.
7593 (genrtl_return_stmt): Likewise.
7594 (genrtl_for_stmt): Likewise.
7595 (genrtl_break_stmt): Likewise.
7596 (genrtl_continue_stmt): Likewise.
7597 (genrtl_scope_stmt): Likewise.
7598 (genrtl_switch_stmt): Likewise.
7599 (genrtl_case_label): Likewise.
7600 (genrtl_begin_compound_stmt): Likewise.
7601 (gerntl_finish_compound_stmt): Likewise.
7602 (genrtl_compound_stmt): Likewise.
7603 (genrtl_asm_stmt): Likewise.
7604 (genrtl_decl_cleanup): Likewise.
7605 (DECL_ANON_UNION_ELEMS): Likewise.
7606 (emit_local_var): Likewise.
7607 (make_rtl_for_local_static): Likewise.
7608 (expand_cond): Likewise.
7609 (expand_stmt): Likewise.
7610 (c_expand_return): Likewise.
7611 (c_expand_start_case): Likewise.
7612 (do_case): Likewise.
7613 (COMPOUND_STMT_NO_SCOPE): Likewise.
7614 (c_expand_asm_operands): Likewise.
7615 (NEW_FOR_SCOPE_P): New macro.
7616 (expand_expr_stmt_fn): New type.
7618 (set_current_function_name_declared): Likewise.
7619 (current_function_name_declared): Likewise.
7620 (lang_expand_stmt): Likewise.
7621 (stmts_are_full_exprs_p): Likewise.
7622 (anon_aggr_type_p): Likewise.
7623 (lang_expand_expr_stmt): Likewise.
7624 (build_case_label): Likewise.
7626 * c-decl.c (lang_expand_expr_stmt): Initialize.
7627 (stmts_are_full_exprs_p): Define.
7628 (current_function_name_declared): Likewise.
7629 (do_case): Likewise.
7630 (lang_expand_stmt): Likewise.
7631 (set_current_function_name_declared): Likewise.
7632 (anon_aggr_type_p): Likewise.
7634 * c-semantics.c: New file.
7635 (expand_cond): Moved from cp/semantics.c.
7636 (genrtl_do_pushlevel): Likewise.
7637 (genrtl_clear_out_block): Likewise.
7638 (genrtl_goto_stmt): Likewise.
7639 (genrtl_expr_stmt): Likewise.
7640 (genrtl_decl_stmt): Likewise.
7641 (genrtl_if_stmt): Likewise.
7642 (genrtl_while_stmt): Likewise.
7643 (genrtl_do_stmt): Likewise.
7644 (genrtl_return_stmt): Likewise.
7645 (genrtl_for_stmt): Likewise.
7646 (genrtl_break_stmt): Likewise.
7647 (genrtl_continue_stmt): Likewise.
7648 (genrtl_scope_stmt): Likewise.
7649 (genrtl_switch_stmt): Likewise.
7650 (genrtl_case_label): Likewise.
7651 (genrtl_begin_compound_stmt): Likewise.
7652 (genrtl_finish_compound_stmt): Likewise.
7653 (genrtl_compound_stmt): Likewise.
7654 (genrtl_asm_stmt): Likewise.
7655 (genrtl_decl_cleanup): Likewise.
7656 (make_rtl_for_local_static): Moved from cp/decl.c.
7657 (emit_local_var): Likewise.
7658 (expand_stmt): Define.
7660 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7661 (c_expand_return): Likewise.
7662 (c_expand_start_case): Likewise.
7664 2000-07-01 Richard Henderson <rth@cygnus.com>
7666 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7667 with the low 13 bits set.
7668 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7669 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7670 of the low 13 bits into a CONST plus an adddi3.
7671 (load_symptr): Set RTX_UNCHANGING_P.
7673 See ChangeLog.3 for earlier changes.