1 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
3 * ia64.c (struct group): New structure.
4 (last_group): New static array.
5 (group_idx): New static variable.
6 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
8 (emit_insn_group_barriers): Initialize and keep track of group_idx
10 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
11 Replace all calls to emit_insn_after that emit a group barrier to use
12 emit_group_barrier_after.
13 * ia64.h (MASK_B_STEP): New.
14 (other MASK_XXX macros): Renumbered.
16 (TARGET_SWITCHES): Add -mb-step.
18 2000-11-15 Fred Fish <fnf@be.com>
20 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
21 machines for which fixincludes is not needed.
22 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
24 2000-11-15 Jason Merrill <jason@redhat.com>
26 * diagnostic.c (finish_abort): New fn.
27 (fancy_abort, error_recursion): Use it.
28 * toplev.c (crash_signal): Likewise.
29 * diagnostic.h: Declare it.
31 2000-11-13 Andrew Haley <aph@redhat.com>
33 * tree.c (build_type_no_quals): New function.
34 * tree.h (build_type_no_quals): Declare.
35 * c-common.c (c_get_alias_set): When considering type
36 compatibility for pointer types, ignore cv-qualifiers anywhere in
39 2000-11-15 Graham Stott <grahams@redhat.com>
41 * regrename.c (scan_rtx_rtx): Skip to the next chain on
42 encountering a terminated chain.
44 2000-11-14 Mark Mitchell <mark@codesourcery.com>
46 * configure.in: Move check for V3 above check for C++ header-file
48 * configure: Regenerated.
50 2000-11-14 DJ Delorie <dj@redhat.com>
52 * config/v850/v850.c: Remove obstacks.
54 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
56 * config/avr/avr.c (avr_case_values_threshold): New.
57 (avr_override_options): Set it depending on options, make it large
58 when not optimizing to work around "unable to generate reloads".
60 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
61 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
62 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
63 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
64 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
65 (avr_case_values_threshold): Declare as extern int.
66 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
68 * config/avr/avr.md (tablejump): Removed.
69 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
70 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
71 index in the table, not multiplied by 2.
72 (casesi): Change to match the above insns. Always enable.
74 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
75 Change to expect the word address of the table, multiply it by 2
76 here and not in the caller. Change "adiw" to faster "inc".
78 2000-11-14 Neil Booth <neilb@earthling.net>
80 * cppexp.c (parse_defined): Call cpp_get_token not
83 * cpplex.c (cpp_output_line): Similarly.
84 * cpplib.c (glue_header_name, do_line, do_ident,
85 parse_answer, parse_assertion): Similarly.
86 (_cpp_handle_diretive): Don't save to lookaheads
87 when processing directives.
88 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
90 (funlike_invocation_p): Don't save to lookaheads
91 when pre-expanding arguments.
92 (_cpp_get_token): Delete.
93 (cpp_get_token): Merge contents of _cpp_get_token.
95 2000-11-14 Jakub Jelinek <jakub@redhat.com>
97 * builtins.c (expand_builtin_setjmp): Set
98 current_function_calls_setjmp.
99 (expand_builtin_longjmp): Set current_function_calls_longjmp.
101 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
102 (do_builtin_setjmp_setup): New insn.
104 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
106 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
107 (int_fits_type_p): For variable bounds, call force_fit_type.
109 2000-11-14 Jakub Jelinek <jakub@redhat.com>
111 * varasm.c (struct deferred_string): New structure.
112 (const_str_htab): New variable.
113 (STRHASH): New macro.
114 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
115 constr_str_htab_eq, const_str_htab_del): New functions.
116 (output_constant_def): Add DEFER argument, defer string
117 constants until mark_constant_pool time if requested.
118 (mark_constant_pool): Walk the insn chain even if const_str_htab is
120 (mark_constants): If a SYMBOL_REF for deferred string is found,
121 output it and remove from hash table.
122 (output_addressed_constants): Set DEFER to 0 in call to
124 * rtl.h (STRING_POOL_ADDRESS_P): Define.
125 (output_constant_def): Adjust prototype.
126 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
128 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
130 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
131 signed types if flag_trapv.
133 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
135 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
138 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
140 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
142 2000-11-14 Jakub Jelinek <jakub@redhat.com>
144 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
145 to array of pool_constnat pointers.
146 (struct pool_constant): Add next_sym and label members.
147 (struct pool_sym): Remove.
148 (init_varasm_status): Change pool_sym into pool_constant.
149 (mark_pool_constant): Mark pc->label string as well.
150 (mark_pool_sym_hash_table): Remove.
151 (mark_varasm_status): Remove it from caller as well.
152 (free_varasm_status): Don't free pool_sym structures.
153 (force_const_mem): Don't allocate pool_sym structure, instead
154 fill pool->label and chain it into rtx_sym hash table.
155 (find_pool_constant, mark_constant_pool): Use pool_constant instead
158 2000-11-14 Jakub Jelinek <jakub@redhat.com>
160 * reload1.c (emit_input_reload_insns): Honour forcing of constants
161 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
163 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
165 * dominance.c: New file.
166 * Makefile.in (OBJS): Add dominance.o.
168 * flow.c (compute_flow_dominators): Remove.
169 (compute_immediate_dominators): Remove.
170 (compute_immediate_postdominators): Remove.
171 * basic-block.h: Remove their prototypes.
172 (calculate_dominance_info): Add prototype.
174 * dce.c (eliminate_dead_code): Change calls to above functions.
175 Don't compute dominators but only immediate dominators.
176 * flow.c (flow_loops_find): Change callers.
177 * gcse.c (compute_code_hoist_data): Likewise.
178 * haifa-sched.c (schedule_insns): Likewise.
179 * ifcvt.c (if_convert): Likewise.
180 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
183 2000-11-14 Richard Henderson <rth@redhat.com>
185 * stmt.c (warn_if_unused_value): Don't warn if the expression
188 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
189 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
191 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
193 * loop.c (basic_induction_var): Revert accidental checkin.
195 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
197 * c-lex.c (cb_leave_file): Harmonize conditions and order of
198 statements to those of process_directive for (action == act_pop).
200 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
202 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
205 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
207 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
210 2000-11-13 Neil Booth <neilb@earthling.net>
212 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
213 cases return without MI check.
214 * cpplib.c (do_diagnostic): Take boolean of whether to
215 print the directive name.
216 (do_error, do_warning): Update.
217 (do_pragma_dependency): Use it.
218 * cpplib.h (VARARGS_FIRST): Delete.
219 (struct cpp_token): Delete integer.
220 * cppmacro.c (enter_macro_context): Move disabled check
222 (_cpp_get_token): Simplify into a single loop.
224 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
226 * configure.in: Use 'test -f' not '[ -e'.
227 * configure: Regenerated.
229 2000-11-13 DJ Delorie <dj@redhat.com>
231 * config/mn10300/mn10300.md (store_movm): Note which registers are
232 really used or clobbered.
234 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
236 * c-parse.in (ends_in_label): Remove from %union and %type.
237 (decls, stmts, lineno_stmt_or_labels, xstmts,
238 lineno_stmt_or_label, stmt_or_label): Remove.
239 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
240 lineno_stmt_decl_or_labels_ending_decl,
241 lineno_stmt_decl_or_labels_ending_label,
242 lineno_stmt_decl_or_labels_ending_error,
243 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
244 lineno_stmt, lineno_label): New.
245 (compstmt_nostart): Use compstmt_contents_nonempty.
247 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
249 * c-common.c (boolean_increment): New function.
250 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
251 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
252 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
253 (boolean_increment): Declare.
254 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
255 * c-decl.c (init_decl_processing): Create boolean nodes.
256 (finish_struct): Allow for _Bool bitfields.
257 * c-parse.in (reswords): Add _Bool.
258 (rid_to_yy): Allow for RID_BOOL.
259 * c-typeck.c (default_conversion): Make booleans promote to int.
260 (convert_arguments, build_unary_op, build_modify_expr,
261 convert_for_assignment): Allow for booleans.
262 * ginclude/stdbool.h: Make conforming to C99.
264 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
266 * c-parse.in (c99_block_start, c99_block_end,
267 c99_block_lineno_labeled_stmt): New.
268 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
269 (stmt): Split off selection and iteration statements into...
270 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
272 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
274 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
277 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
279 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
280 Rewrite to avoid use of match_dup. Don't try to tie registers that
281 are not in the same mode.
283 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
285 * invoke.texi: Update lists of languages and suffixes supported.
287 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
289 * configure.in: Take toplevel configure arguments from the
290 environment to create configargs.h and substitute
291 gcc_config_arguments, taking account of any existing configargs.h
293 * configure: Regenerate.
294 * gccbug.in: Include toplevel configure arguments in gccbug.
296 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
298 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
299 union to make it well-aligned. Update all uses.
301 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
303 * c-parse.in (initelt): Give appropriate pedantic warnings,
304 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
306 (designator): If pedantic, pedwarn for a designator specifying a
308 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
310 * extend.texi: Document the C99 syntax as the preferred syntax,
311 and the pre-2.5 syntax as obsolete. Mention use of designator
312 lists for nested subobjects.
314 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
316 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
317 Add ATTRIBUTE_PRINTF.
318 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
319 Add ATTRIBUTE_PRINTF*.
321 2000-11-12 Mark Mitchell <mark@codesourcery.com>
323 * function.c (assign_parms): When calling put_var_into_stack, make
324 sure that there are no hidden pending sequences.
326 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
329 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
332 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
334 * c-common.c (c_common_nodes_and_builtins): Declare index and
335 rindex when nonansi builtins are allowed.
337 * extend.texi (index, rindex): Document new builtins.
339 2000-11-12 Mark Mitchell <mark@codesourcery.com>
341 * configure.in: Turn on libstdc++ V3 by default.
342 * configure: Regenerated.
344 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
346 2000-11-12 Jakub Jelinek <jakub@redhat.com>
348 * reload1.c (set_label_offsets): Go inside of PARALLELs.
350 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
352 * invoke.texi: Clean up option summary.
354 2000-11-12 Nick Clifton <nickc@redhat.com>
356 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
359 2000-11-12 Marc Espie <espie@openbsd.org>
361 * configure.in: Fix filds test.
364 2000-11-12 Mark Mitchell <mark@codesourcery.com>
366 * jump.c (delete_computation): Don't assume that just becuase an
367 instruction sets a register, that register is dead.
369 2000-11-12 Neil Booth <neilb@earthling.net>
371 * cppexp.c: Don't worry about pfile->skipping.
372 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
373 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
374 for handled directives.
375 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
376 and releasing lookaheads.
377 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
378 (do_else, do_elif, push_conditional): Update logic.
379 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
380 (unwind_if_stack): Inline into cpp_pop_buffer.
381 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
382 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
383 multiple-include optimisation.
384 * cpplib.h (struct cpp_buffer): New member was_skipping.
385 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
386 works because skipping == 0 in directives.
387 (_cpp_release_lookahead): Renamed from release_lookahead.
388 (cpp_get_token): No need to check skipping as _cpp_get_token does
389 this for us. No need to handle MI optimisation.
391 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
393 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
394 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
395 * fixinc/fixincl.x: Regenerated.
397 2000-11-11 Bruce Korb <bkorb@gnu.org>
399 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
400 (avoid_wchar_t_type): ditto
401 * fixinc/fixinc.irix: obsoleted
403 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
405 * configure.in: Don't add $outputs to all_lang_makefiles. Add
406 $srcdir/$s/Makefile.in if it exists.
407 * configure: Regenerate.
409 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
411 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
413 2000-11-11 Jason Merrill <jason@redhat.com>
415 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
416 give the parm a register and then call put_var_into_stack.
417 * stmt.c (expand_decl): Likewise.
419 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
421 * gcc.texi: Adjust wording.
423 2000-11-11 Mark Mitchell <mark@codesourcery.com>
425 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
426 * fininc/fixincl.x: Regenerated.
428 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
430 * invoke.texi: Correct spelling of -foptimize-register-move.
432 2000-11-11 Neil Booth <neilb@earthling.net>
434 Remove CPP_PLACEMARKERs.
436 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
437 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
438 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
440 * cpplib.h: Remove CPP_PLACEMARKER.
441 (struct lexer_state): Rename skip_newlines to next_bol.
442 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
443 Simplify prev_white handling as a result.
444 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
445 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
446 (parse_args): Similarly. Update argument count tests.
447 (enter_macro_context): Return 2 to indicate an empty macro.
448 (replace_args): Don't bother pre-expanding an empty argument.
449 Handle placemarkers and ## extension during pre-expansion.
450 (cpp_get_token): Handle empty macro expansions. Don't worry
451 about CPP_PLACEMARKERs.
452 (_cpp_create_definition): Empty macros are now empty.
453 (cpp_macro_defintion): Don't special case empty macros.
454 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
455 * c-lex.c: Similarly.
457 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
459 * gcc.texi, invoke.texi: Add new section discussing language
460 standards; link to it where appropriate; refer to ISO C instead of
463 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
465 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
468 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
471 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
473 * gcc.texi, gcov.texi: Update dates and version numbers.
475 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
477 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
478 flex and bison, specifically, first in a unified build and
479 then installed on the system.
480 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
481 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
484 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
485 cppdefault.o): Remove pointless sed munging of source file
488 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
490 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
491 for address reloads. Push replacements for REG_INC notes.
492 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
494 * reload1.c (choose_reload_regs): Registers set in the insn can't be
495 used for RELOAD_OTHER reloads.
497 2000-11-10 Mark Mitchell <mark@codesourcery.com>
499 * c-dump.h: New file.
501 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
503 * alpha.c (check_float_value): Use memcpy, not bcopy.
504 * arm.c (output_move_double): Likewise.
506 * m88k.c (legitimize_operand): Likewise.
507 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
509 * mips.c (override_options): Likewise.
511 * romp.c (output_fpops): Likewise.
512 * rs6000.c (rs6000_override_options): Likewise.
514 * vax.c (check_float_value): Likewise.
516 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
517 * expmed.c (synth_mult): Likewise.
518 * final.c (add_bb_string): Likewise.
519 * genattr.c (main): Likewise.
520 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
522 * jump.c (thread_jumps): Likewise.
523 * prefix.c (save_string): Likewise.
524 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
525 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
526 * reload1.c (reload, eliminate_regs): Likewise.
528 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
530 * gcc.texi (Service): Update to reflect current practice and
531 location of the GNU service directory.
533 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
535 * regrename.c (build_def_use): Mark contents of REG_INC notes as
538 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
539 a no-op move if regs are equal.
540 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
541 when calling jump after post-reload splitting.
543 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
545 * c-tree.texi: Fix typos.
546 * extend.texi: Likewise
547 * gcov.texi: Likewise
551 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
553 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
554 in_system_header and flags[1] before dereferencing flags[2].
556 2000-11-09 Matthew Hiller <hiller@redhat.com>
558 * reload1.c (reload_combine): Fixed calculation of
559 first_index_reg, last_index_reg.
561 2000-11-09 Mark Mitchell <mark@codesourcery.com>
563 * c-dump.c (dequeue_and_dump): Dump function bodies.
565 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
566 (c-dump.o): New target.
567 * c-common.h (flag_dump_translation_unit): New variable.
568 (C_TYPE_QUALS): New macro.
569 (strip_array_types): New function.
570 (DECL_C_BIT_FIELD): New macro.
571 (SET_DECL_C_BIT_FIELD): Likewise.
572 (CLEAR_DECL_C_BIT_FIELD): Likewise.
573 (dump_info_p): New typedef.
574 (dump_tree_fn): Likewise.
575 (lang_dump_tree): New variable.
576 (dump_node_to_file): New function.
577 * c-common.c (flag_dump_translation_unit): Define it.
578 (strip_array_types): New function.
579 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
580 * c-lang.c (finish_file): Call dump_node_to_file if
581 flag_dump_translation_unit.
582 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
583 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
584 * c-dump.c: New file.
586 2000-11-09 Christopher Faylor <cgf@cygnus.com>
588 * config/i386/cygwin.h: Add mingw startfile prefix.
590 2000-11-09 Richard Henderson <rth@redhat.com>
592 * flow.c (invalidate_mems_from_set): Split out from ...
593 (mark_set_1): ... here.
594 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
595 instead of turning insn into a NOTE_INSN_DELETED.
597 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
599 * extend.texi, invoke.texi: Move documentation of builtin versions
600 of C library functions to one place and update.
602 2000-11-09 Richard Henderson <rth@redhat.com>
604 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
605 the types themselves to discover type equivalence.
607 2000-11-09 Mike Stump <mrs@wrs.com>
609 * Makefile.in (distclean): Remove a few extra leftovers.
611 2000-11-09 Richard Henderson <rth@redhat.com>
613 * recog.c (validate_replace_rtx_1): Consider subregs when
614 replacing a register with a constant inside a sign/zero_extend.
616 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
618 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
620 * c-decl.c (finish_struct): When a structure is completed,
621 check all its variant types for completeness.
623 2000-11-09 Neil Booth <neilb@earthling.net>
625 * cpphash.c: Move cpp_defined here from cpplib.c.
626 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
627 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
628 * cppmacro.c (cpp_get_token): Update comments, no need now
629 to catch the CPP_EOF meaning EOL case.
631 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
633 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
634 is more than that provided, copy to a temporary.
636 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
638 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
639 interpreting $out as a macro assignment.
640 * Makefile.in (T_TARGET): New auxiliary macro and target.
641 (all): Add a target right in the beginning, so that we don't build
644 2000-11-09 Graham Stott <grahams@redhat.com>
646 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
647 order for -mintel-syntax. Remove comment now that the operand
648 order has been checked.
649 (mmx_pextrw): Likewise.
650 (mmx_pshufw): Likewise.
652 2000-11-09 Jakub Jelinek <jakub@redhat.com>
654 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
655 (c_getstr): New function.
656 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
657 If both arguments are constant string, optimize out.
658 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
659 (expand_builtin_strpbrk): Use c_getstr, do nothing if
660 -fcheck-memory-usage.
661 (expand_builtin_fputs): Likewise.
662 (expand_builtin_strcmp): Add MODE argument.
663 Use even if !HAVE_cmpstrsi.
664 Optimize the case when both arguments are constant strings.
665 (expand_builtin): Adjust expand_builtin_strcmp caller.
666 Call expand_builtin_strchr and expand_builtin_strrchr.
667 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
669 * builtins.def (BUILT_IN_STRRCHR): Add.
671 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
673 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
675 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
677 * calls.c (expand_call, emit_library_call_value_1), collect2.c
678 (scan_prog_file), config/a29k/a29k.c (print_operand),
679 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
681 * real.h: Use memcmp () instead of bcmp ().
682 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
683 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
684 ultrasparc_sched_init, ultrasparc_sched_reorder),
685 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
687 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
688 instead of rindex ().
689 * configure.in: Don't check for bzero, bcmp, index or rindex.
690 * configure, config.in: Regenerate.
691 * system.h: Don't include declarations for bzero, bcmp, index or
693 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
694 bzero, bcmp, index or rindex.
696 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
698 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
699 include and library paths from -mcygwin case. Parameterize some
700 declarations to avoid warnings. Use standard locations for include and
703 2000-11-08 Nick Clifton <nickc@redhat.com>
705 * config/arm/arm.md (mulsidi3adddi): Change output operand
706 constraint from "=&" to "+&".
707 (umulsidi3adddi): Change output operand constraint from "=&" to
710 2000-11-08 Richard Henderson <rth@redhat.com>
712 * flow.c (init_propagate_block_info): Protect the rtx stored in
713 mem_set_list from modification by find_auto_inc.
714 (mark_set_1): Likewise.
716 2000-11-08 Neil Booth <neilb@earthling.net>
718 Move directive handling into the lexer itself.
720 * cpplex.c (_cpp_lex_token): Handle directives directly.
721 In the case of a directive interrupting a function-like
722 macro invocation, use extra_char since read_ahead is
723 used to store the '#'. Return a CPP_EOF in this case.
724 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
725 (cpp_get_token): Don't handle directives here.
726 * cpplib.h: Remove CPP_DHASH token type.
728 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
730 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
731 formed using PRE_MODIFY too.
733 2000-11-08 Mark Mitchell <mark@codesourcery.com>
735 * c-tree.texi (VAR_DECL): Describe representation of GCC's
736 extension for placing variables in particular registers.
738 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
739 unprototyped C functions with no parameters.
741 2000-11-08 Jakub Jelinek <jakub@redhat.com>
743 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
744 before passing to fprintf.
746 2000-11-08 Jakub Jelinek <jakub@redhat.com>
748 * function.c (expand_function_start): Cast GET_MODE_SIZE to
749 HOST_WIDE_INT before negating it.
751 2000-11-08 Jakub Jelinek <jakub@redhat.com>
753 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
754 passed in multiple non-contiguous locations.
756 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
758 * README.gnat: Remove file.
760 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
762 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
765 2000-11-07 Richard Henderson <rth@redhat.com>
767 * dwarfout.c (INSN_LABEL_FMT): Remove.
768 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
769 (dwarfout_label): Remove.
770 * dwarfout.h: Remove it's prototype.
771 * dwarf2out.c (INSN_LABEL_FMT): Remove.
772 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
773 (dwarf2out_label): Remove.
774 * dwarf2out.h: Remove it's prototype.
775 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
777 2000-11-07 Richard Henderson <rth@redhat.com>
779 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
780 search on the unwind region section.
782 * config/ia64/ia64.md (movbi): Add r/r alternative.
783 (cmovdi_internal_astep): Describe all combinations of register
784 classes for sources & destinations; remove matching constraints.
785 (cmovdi_internal): Likewise.
787 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
789 2000-11-07 Richard Henderson <rth@redhat.com>
791 * c-lang.c (start_cdtor, finish_cdtor): New functions.
792 (finish_file): Use them in building constructor/destructor functions.
794 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
795 LD_FINI_SWITCH): Move ...
796 * config/alpha/osf.h: ... here.
797 * config/alpha/alpha-interix.h: Don't undef them.
799 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
801 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
802 included in libgcc.a.
804 (dp-bit.c): Likewise.
805 (fp-bit.c): Likewise.
807 2000-11-07 Nick Clifton <nickc@redhat.com>
809 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
810 (INTERNAL_ASM_OP): Add missing tab.
812 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
814 * alias.c (init_alias_analysis), calls.c (expand_call,
815 emit_library_call_value_1), combine.c (init_reg_last_arrays),
816 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
817 (init_output_buffer, set_diagnostic_context), dwarf2out.c
818 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
819 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
820 function.c (assign_parms), gcse.c (compute_can_copy,
821 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
822 compute_hash_table, compute_set_hash_table,
823 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
824 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
825 clear_units, schedule_block), integrate.c (initialize_for_inline,
826 expand_inline_function), jump.c (thread_jumps), local-alloc.c
827 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
828 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
829 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
830 record_reg_classes, allocate_reg_info), reload.c
831 (get_secondary_mem, remove_address_replacements, find_reloads),
832 reload1.c (reload, set_initial_label_offsets, finish_spills,
833 reload_as_needed, choose_reload_regs_init,
834 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
835 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
836 (rename_registers), stmt.c (expand_end_case), unroll.c
837 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
838 () instead of bzero ().
840 2000-11-07 Neil Booth <neilb@earthling.net>
842 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
844 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
846 * c-common.c (combine_strings): Only warn about long strings for C.
848 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
850 * combine.c (distribute_notes): Fix typo in last change.
852 2000-11-07 Geoff Keating <geoffk@redhat.com>
854 * config/rs6000/rs6000.md (movdi_internal32+1): Use
855 operand_subreg_force rather than gen_rtx_SUBREG.
856 (movdi_internal32+2): Likewise.
858 2000-11-07 Philip Blundell <philb@gnu.org>
860 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
861 * config/arm/linux-aout.h: Likewise.
862 * configure: Regenerate.
864 2000-11-07 Philipp Thomas <pthomas@suse.de>
866 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
867 accepted my the gettext maintainer.
869 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * builtins.c (expand_builtin_strpbrk): New function.
872 (expand_builtin): Handle BUILT_IN_STRPBRK.
874 * builtins.def (BUILT_IN_STRPBRK): New entry.
876 * c-common.c (c_common_nodes_and_builtins): Declare builtin
879 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
881 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
882 * POTFILES.in: Add config/alpha/freebsd.h
883 * configure.in: Add alpha*-freebsd support.
884 * configure: Regenerate.
886 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
888 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
889 copy of ptr_type_node rather than ptr_type_node itself.
891 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
893 * combine.c (recog_for_combine): Allocate uninitialized vector with
895 * recog.c (apply_change_group): Likewise.
897 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
899 * flow.c (verify_local_live_at_start): Back out last change.
900 * combine.c (distribute_notes): When parts of a hard reg are
901 neither set nor referenced in PLACE, search backwards for a
902 place to put a REG_UNUSED note; if none found, ask for flow
905 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
907 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
908 with (clobber (match_scratch...)).
910 2000-11-06 Neil Booth <neilb@earthling.net>
912 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
915 2000-11-06 Neil Booth <neilb@earthling.net>
917 * tradcpp.c (special_symbol): Assign an null string rather
918 than writing to an unallocated buffer.
920 2000-11-06 Neil Booth <neilb@earthling.net>
922 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
925 2000-11-06 Neil Booth <neilb@earthling.net>
927 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
928 tok.val.arg_no as appropriate.
929 * cppexp.c (lex): Similarly.
930 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
931 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
932 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
933 cpp_macro_definition): Similarly.
934 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
936 2000-11-06 Jakub Jelinek <jakub@redhat.com>
938 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
939 operands[1] is constant, calculate the sum and generate movdi.
940 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
941 (subsi3): Use SImode in call to arith_4096_operand.
943 2000-11-06 Jakub Jelinek <jakub@redhat.com>
945 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
946 adjust %o1, not %o0 if the return type is large structure.
948 2000-11-06 Jakub Jelinek <jakub@redhat.com>
950 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
951 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
953 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
955 * expmed.c (expand_divmod): For signed divide by 2, prefer
956 a branch and fewer shifts if branches are very cheap.
958 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
960 * Makefile.in: Remove all targets related to building
961 distributions and diffs, or INSTALL.
962 * INSTALL, install1.texi: Remove.
963 * configure.in: Remove mention of distdir.
964 * configure: Regenerate.
965 * objc/Make-lang.in: Remove mention of distdir.
967 2000-11-04 Neil Booth <neilb@earthling.net>
969 * cpp.texi: Update for _Pragma.
971 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
973 * gcc.texi (Contributing): Update URL for projects web page.
975 2000-11-04 Neil Booth <neilb@earthling.net>
977 * cpplex.c (parse_string): Don't allow multiline strings in
978 #include family directives.
980 2000-11-04 Neil Booth <neilb@earthling.net>
982 * cpplib.c (do_line): Only warn pedantically if not reading
985 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
987 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
990 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
992 * builtins.c (expand_builtin_strlen): Remove unused mode
994 * gcc.c (process_command): Remove unused variable.
995 * fold-const.c: Include expr.h.
996 * recog.c: Include reload.h.
997 * Makefile.in (recog.o, fold-const.o): Update deps.
999 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1001 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1003 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1005 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1007 (STARTFILE_SPEC): Likewise.
1008 (LINK_SPEC): Likewise.
1010 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1013 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1014 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1016 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1018 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1019 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1020 perm_calloc, get_identifier, maybe_get_identifier,
1021 real_value_from_int_cst, simple_cst_equal), varasm.c
1022 (assemble_name, assemble_real, immed_real_const_1,
1023 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1024 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1025 (). Use memcpy () instead of bcopy (). Use memset () instead of
1028 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1030 * cppfiles.c (open_file): If already read, then don't reopen.
1031 Immediately close an empty file.
1033 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1035 * expr.h (fold_builtin): Move declaration...
1036 * tree.h (fold_builtin): ... here.
1038 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1040 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1042 2000-11-02 Neil Booth <neilb@earthling.net>
1045 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1046 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1047 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1048 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1049 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1050 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1051 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1052 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1053 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1054 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1055 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1056 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1057 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1058 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1059 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1060 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1061 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1062 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1063 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1064 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1065 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1066 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1067 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1068 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1069 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1070 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1071 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1072 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1073 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1074 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1075 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1076 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1077 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1078 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1079 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1080 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1081 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1082 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1083 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1084 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1085 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1086 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1087 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1088 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1089 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1090 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1091 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1092 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1093 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1094 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1095 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1096 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1097 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1098 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1099 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1101 Replace -A() with -A=, the new assertion syntax.
1103 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1105 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1107 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1108 registers, increment the loop counter by the size of the parts;
1109 use recursion to handle individual parts.
1111 2000-11-02 Neil Booth <neilb@earthling.net>
1113 * configure.in: Make integrated CPP the default.
1114 * configure: Regenerate.
1116 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1118 * reload.c (find_equiv_reg): Test all hard registers for membership
1119 in the requested class.
1121 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1123 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1124 process_command, main), gcov.c (open_files, output_data), tlink.c
1125 (frob_extension, scan_linker_output), toplev.c
1126 (file_name_nondirectory): Use strchr () and strrchr () instead of
1127 index () and rindex ().
1129 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1131 * c-common.c (get_flag_spec, check_format_info_main,
1132 check_format_types): Use strchr () instead of index (). Compare
1133 against error_mark_node instead of comparing the TREE_CODE against
1136 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1140 * c-lex.c (init_c_lex): Update cpp_start_read call.
1141 (cb_ident): Update for new callback prototype.
1142 (cb_def_pragma): Update for new cpp_get_token prototype.
1143 (c_lex): Similarly. Use cpp_get_line.
1145 * c-parse.in (finish_parse): Update for new cpp_finish
1148 * cp/lex.c (finish_parse): Similarly.
1150 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1152 * machmode.def: Add V16QImode.
1154 2000-11-01 Richard Henderson <rth@redhat.com>
1156 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1157 from rtl_for_decl_location.
1158 (add_location_or_const_value_attribute): Likewise.
1160 2000-11-01 Neil Booth <neilb@earthling.net>
1162 * cpplib.c (run_directive): Use correct line number for output
1163 of _Pragma. Remember any in-progress directive.
1165 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1167 2000-11-01 Richard Henderson <rth@redhat.com>
1169 * stmt.c (expand_start_null_loop): Set continue_label.
1171 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1173 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1174 (expand_builtin_constant_p): Move parts of the code into
1175 fold_builtin_constant_p.
1176 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1177 * expr.h (fold_builtin): Declare.
1178 * fold-const.c (fold): Handle builtin calls.
1180 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1182 2000-11-01 Richard Henderson <rth@redhat.com>
1184 * stmt.c (expand_start_null_loop): New.
1185 (expand_end_null_loop): New.
1186 * c-semantics.c (genrtl_do_stmt): Use them.
1187 * tree.h: Declare them.
1189 2000-11-01 Richard Henderson <rth@redhat.com>
1191 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1193 2000-11-01 Neil Booth <neilb@earthling.net>
1195 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1196 * cp/spew.c: Similarly.
1197 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1198 * cppmacro.c (stringify_arg): Similarly.
1199 * cpplib.h (CPP_BACKSLASH): Delete.
1201 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1203 * builtins.c (expand_builtin_strstr): New function.
1204 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1206 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1208 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1211 2000-10-31 Richard Henderson <rth@redhat.com>
1213 * config/i386/i386.c (fcmov_comparison_operator): Check for
1214 CCFPmode or CCFPUmode instead of CCmode.
1215 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1216 unordered operations as well.
1218 2000-10-31 Richard Henderson <rth@redhat.com>
1220 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1221 of integer_zero_node.
1223 2000-10-31 Richard Henderson <rth@redhat.com>
1225 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1227 2000-10-31 Nick Clifton <nickc@redhat.com>
1229 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1230 -fdata-sections to override the section attribute of a DECL.
1232 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1234 * libgcc2.c (__shtab): Remove __shtab variable.
1235 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1236 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1239 2000-10-31 Jim Wilson <wilson@redhat.com>
1241 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1242 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1243 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1244 instead of ASM_OUTPUT_INTERNAL_LABEL.
1245 (dwarf2out_end_block, dwarf2out_label): Likewise.
1246 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1247 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1249 2000-10-31 Richard Henderson <rth@redhat.com>
1251 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1252 (size_of_locs): Set it.
1253 (output_loc_operands): Use it to compute branch displacement.
1254 (int_loc_descriptor): New.
1255 (mem_loc_descriptor): Dereference memory in the proper size.
1256 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1257 (loc_descriptor_from_tree): New.
1258 (rtl_for_decl_location): Break out from ...
1259 (add_location_or_const_value_attribute): ... here.
1260 (add_bound_info): Use loc_descriptor_from_tree.
1262 2000-10-31 Neil Booth <neilb@earthling.net>
1264 * cpp.texi: Update for new command line assertion syntax.
1265 * cpplib.c (cpp_define): Simplify a bit.
1266 (cpp_assert, cpp_unassert): Use handle_assertion.
1267 (handle_assertion): New function; accept new command line
1269 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1271 2000-10-31 Neil Booth <neilb@earthling.net>
1273 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1274 undefined. Remove #ifdef check.
1275 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1276 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1278 2000-10-31 Jan Hubicka <jh@suse.cz>
1279 Jakub Jelinek <jakub@redhat.com>
1281 * config/i386/i386.h: Clarify CCNOmode description in comment.
1282 (EXTRA_CC_MODES): Remove CCRCmode.
1283 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1284 (put_condition_code, ix86_match_ccmode): Likewise.
1285 (ix86_cc_mode): Likewise. Fix comment.
1286 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1287 * config/i386/i386.md: Add unspec 12 description.
1288 (adddi3 split): Use unspec 12 instead of CCRCmode.
1289 (addsi3_carry_rc): Remove.
1290 (addsi3_cc, addqi3_cc): New patterns.
1291 (addsi_3): Swap operands, match CCZmode.
1292 (addsi_4): Rewritten.
1293 (addsi_5): Renamed from addsi_6.
1295 (addhi_3): Swap operands, match CCZmode.
1296 (addhi_4): Rewritten.
1297 (addhi_5): Renamed from addhi_6.
1299 (addqi_3): Swap operands, match CCZmode.
1300 (addqi_4): Rewritten.
1301 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1302 (subsi3_carry_rc): Removed.
1303 (iorqi_3): Use =q constraint for clobber.
1304 (xorqi_cc_2): Likewise.
1305 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1306 (x86_movsicc_0_m1_rc): Removed.
1307 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1309 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1311 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1312 and decrement of complex types.
1314 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1316 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1317 builtin fputs, ensure we still evaluate the stream in case it
1320 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1322 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1325 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1327 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1328 (fp_extended_operand, emit_fpscr_use): Likewise.
1329 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1330 (fpul_operand): New function.
1331 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1332 fp_extended_operand. Add fpul_operand.
1333 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1334 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1335 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1336 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1337 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1338 (divdf3_i): Likewise.
1339 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1340 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1341 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1342 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1343 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1345 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1347 * config/i386/i386.c (ix86_init_builtins): Correct return type
1348 building v4hi_ftype_v4hi_int_int tree node.
1349 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1350 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1352 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1354 (mmx__uavgv8qi3): Correct insn mnemonic.
1355 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1356 (mmx_punpckhwd): Correct insn mnemonic.
1357 (mmx_punpckhdq): Likewise.
1358 (mmx_punpcklwd): Likewise.
1359 (mmx_punpckldq): Likewise.
1360 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1361 Renumber case labels to match the _mm_prefetch constants defined in
1364 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
1365 if the splitter didn't emit new insns.
1366 Make sure we call cleanup_subreg_operands even when splitting the last
1367 insn in a basic block.
1369 * invoke.texi (Debugging Options): Describe -do.
1370 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
1371 (dump_file): Likewise.
1372 (rest_of_compilation): Split .greg dump into .greg and .postreload.
1374 2000-10-30 Neil Booth <neilb@earthling.net>
1376 * cppfiles.c (stack_include_file): Check for stacked contexts
1378 * cpphash.h (_cpp_do__Pragma): New prototype.
1379 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
1381 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
1382 escaped newlines if !(buffer->from_stage3).
1383 (_cpp_lex_token): Warn about missing newlines iff
1384 !buffer->from_stage3.
1386 * cpplib.c (get__Pragma_string, destringize,
1387 _cpp_do__Pragma): New functions.
1388 (run_directive): Set output_line for _Pragma to avoid line
1389 markers in output. Set from_stage3 and prevent macro expansion
1390 for _Pragma and command-line options. Check buffer exhaustion.
1391 (cpp_push_buffer): Don't check for stacked macro contexts, as
1392 this is perfectly legitimate for _Pragma. Move the check to
1393 stack_include_file instead. Set from_stage3 iff buffer is
1396 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
1397 unsigned. New boolean from_stage3.
1398 (struct spec_nodes): Add n__Pragma.
1400 * cppmacro.c (enter_macro_context): Flip sense of return value.
1401 (_cpp_get_token): Handle _Pragma operator.
1403 2000-10-30 Phil Edwards <pme@sources.redhat.com>
1405 * gcc.texi: The C++ standard isn't "draft" anymore.
1407 2000-10-30 Mark Mitchell <mark@codesourcery.com>
1409 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
1411 2000-10-29 Neil Booth <neilb@earthling.net>
1413 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
1415 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
1417 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
1418 fixinc/inclhack.def: Change comments mentioning C9X to refer to
1421 * invoke.texi: Document that -V will only work for very similar
1422 versions of driver and compiler.
1424 2000-10-29 Neil Booth <neilb@earthling.net>
1426 * cppmacro.c (_cpp_create_definition): Optimize the case of
1427 a macro defined to itself.
1429 2000-10-29 Neil Booth <neilb@earthling.net>
1431 * cpplex.c (save_comment): Don't store new lines in C++ comments.
1433 2000-10-29 Michael Hayes <mhayes@redhat.com>
1435 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
1437 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
1439 * cpphash.c (cpp_forall_identifiers): Add context variable
1440 for callback routine.
1441 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
1443 (main): Call cpp_forall_identifiers with null context.
1444 * cpplib.h (cpp_forall_identifiers): Update prototype.
1446 * cppmain.c: Make `parse_in' and `print' static.
1448 2000-10-28 Alan Modra <alan@linuxcare.com.au>
1450 * c-decl.c (finish_function): Clear c_function_name_declared_p.
1452 2000-10-28 Richard Henderson <rth@redhat.com>
1454 * regrename.c (scan_rtx_address): Frob action, not class,
1455 when trying to disable optimization.
1457 2000-10-28 Mark Mitchell <mark@codesourcery.com>
1459 * c-semantics.c (make_rtl_for_local_static): Don't clobber
1460 DECL_ASSEMBLER_NAME.
1462 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
1464 * configure.in: Determine and substitute gcc_version_full.
1465 * configure: Regenerate.
1466 * gccbug.in: Use it to give full version. Don't allow
1469 2000-10-28 Richard Henderson <rth@redhat.com>
1471 * recog.c (split_all_insns): Run cleanup_subreg_operands
1474 * regrename.c (regrename_optimize): Verify that all registers of
1475 a multiple register mode are available.
1476 (scan_rtx_address): Accept the mode of the address; all callers
1479 * cpplib.c (run_directive): Fix prototype.
1481 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
1483 * reload.c (find_reloads): Distinguish "wins" so that we know whether
1484 a given operand won because of a matching constraint or not; then use
1485 that information to compute goal_alternative_matched properly.
1486 * reload1.c (choose_reload_regs): Never set reload_override_in for an
1489 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
1490 accurate value for MULT.
1491 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
1492 2% or > 98% before using static branch prediction bits.
1494 2000-10-28 Neil Booth <neilb@earthling.net>
1498 * cpplib.c (struct answer): New.
1499 (struct if_stack): Use cpp_lexer_pos rather than line and col.
1500 Rename cmacro mi_cmacro.
1501 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
1502 IN_I): New directive and flags.
1503 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
1504 parse_answer, parse_assertion, find_answer): New functions.
1505 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
1506 (lex_macro_node): New function to replace parse_ifdef and
1509 (_cpp_handle_directive): New function, combines _cpp_check_directive
1510 and _cpp_check_linemarker.
1512 (do_define, do_undef, parse_include, do_include, do_import,
1513 do_include_next, read_line_number, do_line, do_ident, do_pragma,
1514 do_pragma_once, do_pragma_poison, do_pragma_dependency):
1515 Update for new token getting interface.
1517 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
1518 : Update for new multiple-include optimisation technique.
1519 (do_elif): Don't forget to invalidate controlling macros.
1521 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
1522 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
1523 Functions to handle assertions with the new token interface.
1524 (do_assert, do_unassert): Use them.
1526 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
1529 (_cpp_init_stacks): Register directive names. Don't register special
1532 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
1533 new position recording regime.
1534 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1535 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1536 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
1537 (cpp_type2name): Move to cpplex.c.
1539 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
1540 (parse_defined): Update to handle new multiple include optimisation
1541 method. Remove poisoned identifier warning.
1542 (parse_assertion, TYPE_NAME): Delete.
1543 (lex): Update for multiple include optimisation, removal of
1544 CPP_DEFINED, to use _cpp_test_assertion for assertions and
1546 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
1547 (op_as_text): New function, to wrap cpp_token_as_text.
1549 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
1550 Update for MI optimisation.
1551 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
1552 segfault on diagnostic.
1553 (_cpp_compare_file_date): Take a token rather than 3 args.
1554 (cpp_read_file): Work correctly for zero-length files.
1556 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
1557 _cpp_init_hashtable and _cpp_cleanup_hashtable.
1558 (cpp_lookup): Place identifiers at front of identifier pool
1559 for _cpp_lookup_with_hash.
1560 (_cpp_lookup_with_hash): Require identifiers to be at the front of
1561 the identifier pool. Commit the memory if not already in the
1564 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
1565 Initialise various members of cpp_reader, memory pools, and the
1567 (cpp_printer_init): Delete.
1568 (cpp_cleanup): Update.
1569 (struct builtin, builtin_array, initialize_builtins): Update for new
1570 hashnode definition and builtin handling.
1571 (cpp_start_read, cpp_finish): Don't take or initialise a
1574 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
1575 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
1576 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
1577 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
1578 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
1579 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
1580 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
1581 struct toklist, struct cpp_context, struct specnodes,
1582 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
1583 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
1584 enum builtin_type, cpp_can_paste): New.
1585 (struct cpp_token): Delete line and col members.
1586 (struct cpp_buffer): New member output_lineno.
1587 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
1588 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
1589 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
1590 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
1591 base_context, context, directive, mi_state, mi_if_not_defined,
1592 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
1593 mlstring_pos, macro_buffer, macro_buffer_len.
1594 Delete members mls_line, mls_column, token_list, potential_control_macro,
1595 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
1596 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
1597 save_parameter_spellings, need_newline, .
1598 Change type of date, time and spec_nodes members.
1599 Change prototypes for include and ident callbacks.
1600 (struct cpp_hashnode): Change type of name. Remove union members
1601 expansion and code. Add members macro, operator and builtin.
1603 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
1604 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
1605 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
1606 cpp_stop_lookahead): New prototypes.
1607 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
1609 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
1610 Move from cpphash.h.
1612 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
1613 ufputs): Move to cpplib.h.
1614 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
1615 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
1616 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
1617 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
1618 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
1619 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
1620 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
1621 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
1622 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
1623 _cpp_parse_assertion, _cpp_find_answer): Delete.
1624 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
1625 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
1626 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
1627 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
1628 _cpp_handle_directive, DSC): New.
1629 (struct include_file): New member defined.
1631 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
1632 _cpp_compare_file_date): Update.
1633 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
1634 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
1635 _cpp_cleanup_hashtable.
1637 * Makefile.in: Remove cppoutput.c.
1639 * cppoutput.c: Delete
1641 * fixheader.c (read_scan_file): Update for new cpp_get_token
1643 (recognized_function): New argument LINE.
1645 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1646 new cpp_get_token prototype.
1648 * scan.h (recognized_function): Update prototype.
1650 * po/POTFILES.in: Remove cppoutput.c.
1652 2000-10-27 Mark Mitchell <mark@codesourcery.com>
1654 * c-typeck.c (check_init_type_bitfields): Remove.
1655 (constructor_incremental): Likewise.
1656 (struct constructor_stack): Remove incremental bit.
1657 (struct initializer_stack): Likewise.
1658 (start_init): Don't play with constructor_incremental.
1659 (finish_init): Likewise.
1660 (really_start_incremental_init): Likewise.
1661 (push_init_level): Likewise.
1662 (pop_init_level): Likewise.
1663 (output_init_level): Likewise.
1664 (output_pending_init_elements): Likewise.
1666 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
1668 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
1669 Improve error messages. Correct parsing of
1670 #pragma pack(pop [,id]). Do not check the user-supplied
1671 alignment if we're popping.
1673 * gcc.dg/pack-test-1.c: New test case.
1674 * gcc.dg/pack-test-2.c: New test case.
1675 * gcc.dg/pack-test-1.h: New file.
1677 2000-10-27 Neil Booth <neilb@earthling.net>
1681 2000-10-27 Kelley Cook <kelley.cook@home.com>
1683 * invoke.texi: Document -mintel-syntax
1685 2000-10-27 Richard Henderson <rth@redhat.com>
1687 * invoke.texi: Document -frename-registers. Add it to -O3.
1688 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
1689 (enum dump_file_index, dump_file): Update order.
1690 (main): Set flag_rename_registers at -O3.
1692 2000-10-27 Richard Henderson <rth@redhat.com>
1694 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
1695 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
1696 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
1697 * config/alpha/alpha.md (call_osf_1): Use it.
1698 (call_value_osf_1): Likewise.
1700 * config/ia64/ia64.c: Revert 10-23 patch.
1701 (ia64_hard_regno_rename_ok): New.
1702 * config/ia64/ia64-protos.h: Declare it.
1703 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
1705 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
1706 Richard Henderson <rth@redhat.com>
1708 * regrename.c: Rewrite to handle multi-register modes and
1709 cond_exec instructions.
1710 * Makefile.in (regrename.o): Update dependancies.
1711 * recog.h (struct operand_alternative): Add is_address.
1712 * recog.c (preprocess_constraints) [case 'p']: Set it.
1714 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
1716 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
1717 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
1718 top level. Kill oldstyle_subdirs. Do not include
1719 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
1720 $outputs. Do not run configure.lang from config.status.
1721 Rearrange warning-flag logic to correspond to what the
1722 makefile wants. Put special vax stage1 options in
1723 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
1724 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
1725 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
1726 switch is given, nothing otherwise.
1727 * configure.lang: Delete.
1729 * Makefile.in: Expunge all traces of extra_c_objs,
1730 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
1731 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
1732 warning options via a three level scheme so that -pedantic and
1733 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
1734 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
1735 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
1736 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
1737 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
1738 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
1739 generation rules. Wrap all rules that change the current
1740 directory in parentheses; pmake doesn't spawn a new shell for
1741 each command. Expunge all references to $(P). When one
1742 command depends on another and they're run all at once, use &&
1743 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
1744 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
1747 * objc/Make-lang.in: Wrap all rules that change the current
1748 directory in parentheses. Expunge all references to $(P).
1749 When one command depends on another and they're run all at
1750 once, use && to separate them, not ;. Add OUTPUT_OPTION to
1751 all object-file generation rules. Delete obsolete variables.
1752 * objc/Makefile.in: Delete.
1754 2000-10-27 Jakub Jelinek <jakub@redhat.com>
1756 * calls.c (expand_call): If sibcall_failure is set during pass 1,
1757 clear tail_call_insns as well.
1759 2000-10-27 Nick Clifton <nickc@redhat.com>
1761 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
1764 2000-10-26 Richard Henderson <rth@redhat.com>
1766 * calls.c (expand_call): Supress sibcall if we have a
1767 BLKmode return in registers.
1769 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
1771 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
1774 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
1776 * tree.c (make_node, case 't'): Set alignment to that of
1778 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
1780 2000-10-25 Mark Mitchell <mark@codesourcery.com>
1782 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
1783 * configure.in (enable-libstdcxx-v3): Arrange to have
1784 HAVE_LIBSTDCXX_V3 substituted into the output files.
1786 2000-10-25 Richard Henderson <rth@redhat.com>
1788 * recog.c (constrain_operands): Initialize which_alternative
1789 before no alternatives early exit.
1791 * cse.c (find_comparison_args): Check that we can reverse a
1792 comparison if needed before accepting the substitution.
1794 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
1796 * simplify-rtx.c (simplify_relational_operation): Sign extend
1797 low words before sign extending to high words.
1799 2000-10-25 Nick Clifton <nickc@redhat.com>
1801 * config/mcore/mcore.c: Include config.h before system.h.
1803 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
1805 * config/mcore/mcore.md (return): Force function epilogue to
1806 always be generated to work around epilogue suppression bug in
1809 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
1811 * c-decl.c (grokdeclarator): Move warning for qualified void
1812 return types with -pedantic to when the function type is
1813 constructed. At -W, warn in general for qualified function return
1814 types, except for volatile void.
1815 * invoke.texi: Document this new warning at -W.
1817 2000-10-25 Neil Booth <neilb@earthling.net>
1819 * cpp.texi: Update with implementation-defined behavior and
1822 2000-10-25 Jakub Jelinek <jakub@redhat.com>
1824 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
1825 incomplete type force it into alias set 0.
1827 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
1829 * alias.c: Include basic-block.h.
1830 (loop_p): New function.
1831 (mark_constant_function): Use it.
1832 * Makefile.in (alias.o): Update dependencies.
1834 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1836 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
1839 2000-10-24 Jim Wilson <wilson@cygnus.com>
1841 * expmed.c (store_bit_field): Move integer pun code down after
1842 code that calls emit_move_insn for entire register move.
1843 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
1844 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
1846 2000-10-24 Richard Henderson <rth@cygnus.com>
1848 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
1849 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
1851 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1853 * gcse.c (cprop_insn): do not propagate constants into jump_insn
1854 for machines with CC0 more than once.
1856 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
1858 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
1859 pseudos just like memory.
1861 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
1863 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
1864 when deleting libcall sequence collapsed to a single instruction.
1866 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
1868 * expr.c (do_store_flag): Don't crash if either side of a
1869 comparison is error_mark_node.
1871 2000-10-24 Jakub Jelinek <jakub@redhat.com>
1873 * sibcall.c (purge_mem_unchanging_flag): New function.
1874 (optimize_sibling_and_tail_recursive_calls): Call it.
1876 2000-10-24 Philipp Thomas <pthomas@suse.de>
1878 * Makefile.in (check-po): New target for doing checks in the po
1879 subdir if all languages configured.
1880 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
1881 configure if NLS is enabled.
1882 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
1883 otherwise leave empty.
1884 * configure: Regenerate.
1886 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1888 * i386.c (print_operand): Handle new 'A' formatting code.
1889 387 opcodes need suffixes even with -mintel-syntax.
1890 Check for explicit size override (codes 'b', 'w' and 'k').
1891 (print_operand_address): Check if register prefix is needed when
1892 emitting `ds' segment override.
1893 * i386.h: Add comment about new 'A' formatting code.
1894 * i386.md (jump and call patterns): Emit absolute references using %A.
1896 2000-10-23 Richard Henderson <rth@cygnus.com>
1898 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1899 output registers as fixed.
1900 (ia64_function_epilogue): Undo output fixation.
1902 2000-10-23 Richard Henderson <rth@cygnus.com>
1904 * config/alpha/alpha.md: Add names for all unnamed insns; use
1905 define_insn_and_split in some obvious places.
1907 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1908 (zero_extendqisi2, zero_extendqidi2): Likewise.
1909 (zero_extendhisi2, zero_extendhidi2): Likewise.
1910 (abs splitters): Fix match_scratch operand number.
1911 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1913 2000-10-23 Jim Wilson <wilson@cygnus.com>
1915 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1917 * ia64.md (cmpsi_adjusted): Use %r3.
1918 (cmpdi_adjusted): Likewise.
1920 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1922 * config/i386/att.h (ASM_FILE_START): Define.
1924 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1926 * config/i386/linux.h (ASM_FILE_START): Define.
1928 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1930 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1931 since this (only) drags in a crt0.o reference that the .ld files
1934 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1936 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1937 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1938 reloads just like an RELOAD_FOR_OUTPUT would.
1940 * local-alloc.c (update_equiv_regs): Add an abort(). When
1941 deleting or moving insns, update reg_equiv[regno].init_insns.
1943 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1945 * c-tree.texi: Improve documentation for IF_STMTs and related
1946 conditional statements.
1948 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1950 * expr.c (do_preexpand_calls): Remove.
1951 (same_from_p): Don't use CALL_EXPR_RTL.
1952 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1953 (preexpand_calls): Remove.
1954 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1955 (unsave_expr_1): Likewise.
1956 * tree.def (CALL_EXPR): Give it only two slots.
1957 * tree.h (CALL_EXPR_RTL): Remove.
1959 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1961 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1962 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1965 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1967 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1968 adjust stack when unadjusted_alignment ends up as zero.
1970 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1972 * fixinc/genfixes: Remove EGCS reference.
1973 * install.texi: Remove EGCS reference.
1974 * INSTALL: Regenerate.
1976 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1978 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1980 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1982 * diagnostic.c: Remove EGCS reference in comment.
1984 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1986 * loop.c (strength_reduce): Fix error in last change.
1988 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1990 * Makefile.in (SHLIB_NM_FLAGS): New.
1991 (libgcc.mk): Pass it.
1992 * mklibgcc.in (libgcc.map): Use it.
1994 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1995 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1997 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1999 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2001 * sparc.c (load_pic_register): Delete unused varaible.
2003 * libgcc2.c (__addvsi3): Delete unused variable.
2005 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2006 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2007 __negvdi2): Prototype.
2009 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2011 * toplev.c (display_target_options): Make static to match
2012 prototype. Delete empty declaration.
2014 2000-10-20 Tom Tromey <tromey@cygnus.com>
2016 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2017 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2019 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2021 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2023 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2024 a constant before comparing it; use tree_low_cst.
2025 * tree.c (save_expr): Set TREE_READONLY.
2026 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2027 (build, build1): Set TREE_READONLY if all operands are.
2028 (build_index_type): If upper bound is a negative number, lower
2029 bound is zero and sizetype is unsigned, use upper bound of one and
2032 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2034 * gcc.c (process_command, main): Use "because" instead of
2035 "since" in error messages.
2037 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2039 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2040 Don't use mode of field for record unless sizes are the same.
2041 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2042 previously added for Ada; also change to using host_integerp
2045 * loop.c (strength_reduce): Show when new register made for
2046 giv is known to be a pointer and its aligment if so and known.
2047 (loop_dump_aux): Show VERBOSE parameter unused.
2049 * gcse.c (set_hash_table_size): Now unsigned.
2050 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2051 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2052 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2053 (sdbout_end_epilogue): Remove variable NAME.
2054 * system.h (getopt): Add default definition.
2055 * config/alpha/alpha.c (print_operand): Don't continue processing
2056 after issuing error.
2057 (summarize_insn): Avoid use of UL in constant.
2059 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2061 * fold-const.c (force_fit_type): Unsigned values can overflow
2062 if they are sizetype.
2063 (int_const_binop): Don't use cache if overflows.
2065 2000-10-20 Richard Henderson <rth@cygnus.com>
2067 * function.c (locate_and_pad_parm): Zero alignment_pad.
2069 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2070 perform substitutions, and apply_change_group to see if it worked.
2072 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2074 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2076 * combine.c (struct undo): Change int to unsigned int.
2077 (do_SUBST_INT): Args are unsigned int.
2078 (make_extraction, force_to_mode): Use proper type when forming mask.
2079 (make_field_assignment): Likewise.
2081 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2083 * c-common.c (check_format_info_recurse): Extract string constant
2084 initializers from non-volatile constant arrays and check them as
2086 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2087 for DECL_MODE (decl) != BLKmode.
2088 (decl_constant_value_for_broken_optimization): New function which
2089 includes these checks.
2090 (default_conversion, convert_for_assignment, digest_init): Use
2091 decl_constant_value_for_broken_optimization instead of
2092 decl_constant_value.
2094 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2096 * tree.h (DECL_ALIGN_UNIT): New macro.
2098 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2100 * config/avr/avr-protos.h (avr_output_bld): New.
2101 (out_shift_with_cnt): Add t_len argument.
2102 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2103 (output_movqi, output_movhi, output_movsisf): Optimize loading
2104 any constant with exactly one bit set to NO_LD_REGS.
2105 (out_shift_with_cnt): Optimize output code for size or speed,
2106 depending on optimize_size. Handle small shift counts as well
2107 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2108 with or without a scratch register, with help of __tmp_reg__
2109 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2110 length of TEMPLATE in words, return total insn length in *LEN.
2111 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2112 out_shift_with_cnt to work with the above change.
2113 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2114 lshrsi3_out): Likewise. Optimize more known shift count cases.
2115 Remove cases already well optimized in out_shift_with_cnt.
2116 (avr_output_bld): New function.
2117 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2118 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2119 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2120 Add reload_completed to insn condition - only for peepholes.
2121 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2122 in a register or memory.
2123 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2124 Do not require a scratch register.
2125 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2126 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2127 Optimize shifts by known count using a scratch register, but only
2128 if one is still available after register allocation.
2130 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2132 * t-vax: New file. Don't build modules from libgcc1.c.
2134 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2136 * alias.c: (mark_constant_function): Don't check pure functions.
2137 Initialize and end alias analysis.
2138 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2139 Don't make a special exception for recursion. Handle
2140 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2141 unless it's volatile.
2143 * local-alloc.c (equivalence): New structure.
2144 (reg_equiv): Define.
2145 (contains_replace_regs): Remove array and use
2147 (memref_referenced_p): Likewise.
2148 (no_equiv): Likewise.
2149 (update_equiv_regs): Likewise.
2151 (equiv_init_varies_p,
2152 equiv_init_movable_p): New functions.
2153 (update_equiv_regs): Use them. Use rtx_varies_p
2154 instead of function_invariant_p. Process insns
2155 from end to beginning. Allow a REG_EQUIV insn
2156 within the same loop as a use to be moved, also
2157 allow it to be moved out of a loop. Update
2158 REG_DEAD notes when substituting into an insn.
2160 2000-10-19 Jim Wilson <wilson@cygnus.com>
2162 * c-decl.c (start_decl): Check for error_mark_node type before using
2164 (finish_decl): Likewise. Don't give an error if decl type is
2165 already error_mark_node.
2167 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2168 New local update_blocks. Use update_blocks to remove duplicates
2169 when computing update blocks. Check for bblst_table overflow.
2170 (schedule_block): Add explanatory comment. Reduce bblst_size by
2172 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2175 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2177 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2179 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2181 * expmed.c: Minor corrections in comments.
2182 * invoke.texi: Added desciption for the new option -ftrapv.
2184 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2186 * libgcc2.c: Added the missing #endif.
2188 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2190 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2192 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2194 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2195 Use smulv_optab for -ftrapv.
2196 (expand_mult_highpart): Use unsigned multiply.
2197 (expand_divmod): Special-case division by -1.
2198 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2199 For complex divide, use abs with unsigned result.
2200 * expr.c (force_operand): Use unsigned multiply.
2201 (expand_expr): Use overflow-trapping optabs for signed types if
2203 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2204 if the type is signed and the original call wasn't EXPAND_SUM or
2206 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2207 (negv_optab, absv_optab): Declare.
2208 * flags.h (flag_trapv): Declare.
2209 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2210 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2211 (gen_insn): Interpret '$P' as requiring an integer mode,
2212 including partial integer modes.
2213 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2214 (product_cheap_p): Use unsigned expand_mult.
2215 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2216 (negv_optab, absv_optab): Define.
2217 (expand_binop): Use overflow-trapping optabs for signed types if
2219 Handle negv_optab libe neg_optab.
2220 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2221 Use overflow-trapping optabs for signed result if flag_trapv.
2222 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2224 Don't open-code complex absolute-value operation for flag_trapv.
2225 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2226 sdivv_optab, negv_optab and absv_optab.
2227 * toplev.c (flag_trapv): Define.
2228 (lang_independent_options f_options): Include flag_trapv.
2229 * tree.h (TYPE_TRAP_SIGNED): Define.
2230 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2231 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2233 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2234 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2236 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2237 David V. Henkel-Wallace <gumby@cygnus.com>
2239 * config/i386/t-netware: Bring in from the Red Hat tree.
2240 * config/i386/netware.h: Likewise.
2241 * config/netware.h: Likewise.
2242 * config/rs6000/netware.h: Delete.
2243 * configure.in: Add i[34567]86-*-netware.
2244 * configure: Hand-edit to match configure.in change.
2246 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2248 * c-common.h (flag_no_builtin): Declare.
2249 (flag_no_nonansi_builtin): Likewise.
2250 (c_common_nodes_and_builtins): Change prototype.
2251 * c-common.c (flag_no_builtin): New variable.
2252 (flag_no_nonansi_builtin): Likewise.
2253 (c_common_nodes_and_builtins): Remove parameters. Adjust
2255 * c-decl.c (flag_no_builtin): Remove.
2256 (flag_no_nonansi_builtin): Likewise.
2257 (init_decl_processing): Adjust call to
2258 c_common_nodes_and_builtins.
2260 2000-10-18 Marc Espie <espie@openbsd.org>
2262 * tm.texi (LIBGCC_SPEC): Synch with reality.
2264 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2266 * c-common.c (check_format_types): Check for writing through a
2267 NULL pointer argument.
2269 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2271 * tm.texi (Exception Region Output): Document
2272 DWARF_CIE_DATA_ALIGNMENT.
2273 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2275 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2276 DWARF_CIE_DATA_ALIGNMENT.
2278 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2280 * basic-block.h (struct loop): Delete fields pre_header_root
2281 and pre_header_trace and replace with pre_header_edges
2282 and num_pre_header_edges.
2283 * flow.c (flow_loop_dump): Dump pre_header_edges.
2284 (flow_loops_free): Free pre_header_edges.
2285 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2287 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2289 * contrib.texi: Update references to steering committee members
2290 and Jeff Law's entry.
2292 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2294 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2295 (maybe_read_dollar_number, check_format_info_main): Use them for
2296 pedantic warning messages.
2298 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2300 * c-common.c (check_format_info_main): Minor cleanup: move
2301 variables into inner scopes; initialize declarations where
2302 appropriate; don't hardcode "scanf" name on warning for zero
2305 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2307 * c-common.c (back_end_hook): New variable.
2308 * c-common.h (back_end_hook): Declare it.
2309 * c-lang.c (finish_file): Use it.
2311 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2314 2000-10-18 Jan Hubicka <jh@suse.cz>
2316 * i386.c (ix86_comparison_operator, put_condition_code,
2317 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2318 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2319 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2320 * i386.md (adddi and negdi splitter): Use CCRCmode.
2321 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2322 (subsi3_carry): add '*'
2323 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2324 (cmp to add peep2): Use CCRCmode; swap operands.
2326 2000-10-18 Kazu Hirata <kazu@hxi.com>
2328 * h8300.c: Fix a comment typo.
2329 (round_frame_size): New.
2330 (compute_saved_regs): Likewise.
2333 (push_order): Remove.
2334 (pop_order): Likewise.
2335 (function_prologue): Rearrange code for readability.
2336 (function_epilogue): Likewise.
2338 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2339 expander that is used when not optimizing. Output a tab after
2340 each assembly insns.
2342 * reorg.c: Fix formatting.
2344 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2346 * reload1.c (move2add_note_store): Check for simple
2347 auto-inc in destination.
2349 2000-10-17 Michael Chastain <chastain@redhat.com>
2351 * config/i386/i386-aout.h: define INT_ASM_OP.
2353 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2355 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2357 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2359 * i370.md: Fix spelling typo.
2361 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2363 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
2364 Fixes execute/20001017-1.c on powerpc-linux-gnu.
2366 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
2367 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
2370 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
2371 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
2373 * rs6000/aix.h: ...to here.
2374 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
2376 2000-10-17 Jakub Jelinek <jakub@redhat.com>
2378 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
2380 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
2381 sure linker can relax even the delay slot mov %g1,%o7, fix output
2384 2000-10-17 Kazu Hirata <kazu@hxi.com>
2386 * config/h8300/h8300.md: Remove an unnecessary zero_extend
2387 expander that is used when not optimizing. Output a tab after
2388 each assembly insns.
2390 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
2392 * gcc.c: New options --target-help.
2393 (process_command): Added code to parse this new option.
2394 * toplev.c (display_target_options): New function to support the
2396 * cppinit.c (new_pending_directive) : New option OPT_target__help.
2397 (cpp_handle_option): Support this new option.
2398 * invoke.texi: Added notes about --target-help option.
2400 2000-10-17 Graham Stott <grahams@redhat.com>
2402 * config/i386/i386.md (testqi_1): Add missing operand prefix
2404 * config/i386/i386-protos.h: Add missing prototype.
2406 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
2408 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
2409 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
2410 using -mintel-syntax.
2412 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2414 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
2415 (format_types): Use it for printf.
2416 (maybe_read_dollar_number): Add parameter for the kind of format
2417 involved. Warn for multiple use for arguments if this is
2418 inappropriate for the kind of format involved.
2419 (check_format_info_main): Update calls to maybe_read_dollar_number.
2421 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2423 * inclhack.def (hpux_maxint): Also apply fix to values.h.
2424 * fixincl.x: Rebuilt.
2426 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
2428 * genrecog.c (write_switch): Return the first condition that needs a
2431 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
2433 * c-tree.h (warn_sequence_point): Move declaration to...
2434 * c-common.h (warn_sequence_point): ... here.
2435 * c-decl.c (warn_sequence_point): Move definition to...
2436 * c-common.c (warn_sequence_point): ... here.
2437 (struct reverse_tree): New.
2438 (reverse_list, reverse_max_depth): New static variables.
2439 (build_reverse_tree, common_ancestor, modify_ok
2440 verify_sequence_points): New functions.
2441 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
2442 * c-typeck.c (check_modify_expr): Delete.
2443 (build_modify_expr): Don't call it.
2445 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2447 * c-common.h (warn_missing_format_attribute): New variable.
2448 * c-decl.c (warn_missing_format_attribute): New variable.
2449 (c_decode_option): Decode -Wmissing-format-attribute and
2450 -Wno-missing-format-attribute.
2451 * c-common.c (check_function_format): If
2452 -Wmissing-format-attribute, give a warning where a vprintf or
2453 vscanf function is called by a function without its own printf or
2455 * toplev.c (documented_lang_options): Add
2456 -Wmissing-format-attribute.
2457 * invoke.texi: Document -Wmissing-format-attribute.
2459 2000-10-17 Marc Espie <espie@openbsd.org>
2461 * invoke.texi (-shared): Insist on requiring code generation flags
2462 to be used along with -shared, and document the subtle failure that
2463 may occur otherwise.
2465 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2467 * pa.md (return_internal): Move `use' after `return'.
2469 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2471 * machmode.def: Correct comment.
2473 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
2475 * print-rtl.c (print_rtx_head): Constify.
2476 * rtl.h (print_rtx_head): Similarly.
2478 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
2479 Constify char * return value.
2481 (output_64bit_and, output_64bit_ior): Constify char * return value.
2482 (pa_can_combine_p): Make static.
2483 (function_arg): Decorate unused `named' argument. Fix comment typo.
2484 (function_arg_partial_nregs): Decorate unused `named' argument.
2486 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
2488 * c-common.c (format_check_results): New structure.
2489 (finish_dollar_format_checking): Adjust to take a
2490 format_check_results * parameter.
2491 (check_format_info, check_format_info_recurse,
2492 check_format_info_main): Split check_format_info into three
2493 functions, the main checking going in check_format_info_main.
2494 Recurse when any reduction of the format string argument towards a
2495 string literal is done; go down both branches of a conditional
2496 expression. Don't warn for extra format arguments or empty format
2497 strings if they only occur in some branches of a conditional
2500 2000-10-16 Kazu Hirata <kazu@hxi.com>
2502 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
2504 2000-10-16 Jakub Jelinek <jakub@redhat.com>
2506 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
2508 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
2510 * i386.md (*movsi_or): Switch operand order for intel syntax.
2512 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
2516 * gcc.texi (Contributing): Update.
2518 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
2520 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
2521 appropriate assembler dialect.
2523 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
2525 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
2527 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
2529 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
2530 constants 1 and 2 to NO_LD_REGS.
2532 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2534 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
2536 * objc/Make-lang.in (objc-parse.c): Likewise.
2538 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2540 * arm.c: Include obstack.h
2541 (minipool_obstack, minipool_startobj): Define.
2542 (arm_add_gc_roots): Initialize them.
2543 (create_fix_barrier): Use our new obstack.
2544 (push_minipool_barrier, push_minipool_fix): Likewise.
2545 (arm_reorg): Release obstack memory.
2547 2000-10-13 Jakub Jelinek <jakub@redhat.com>
2549 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
2550 (prologue, exception_receiver, builtin_setjmp_receiver): New
2552 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
2553 * config/sparc/sparc-protos.h (finalize_pic): Remove.
2554 (load_pic_register): New prototype.
2555 * config/sparc/sparc.c (pic_setup_code): Remove.
2556 (finalize_pic): Rename to...
2557 (load_pic_register): ...this function.
2558 Don't look for nonlocal_goto_receivers and emit pic setup code
2559 directly. Don't check current_function_uses_pic_offset_table.
2561 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2563 * tree.h (struct obstack): Declare.
2565 2000-10-12 Mark Mitchell <mark@codesourcery.com>
2568 * Makefile.in (ggc-callbacks.o): Remove target.
2569 (flow.o): Depend on GGC_H.
2570 * alias.c (init_alias_analysis):
2571 Remove ggc_p conditionals.
2572 (end_alias_analysis): Likewise.
2573 * basic-block.h (init_flow): New function.
2574 (allocate_reg_life_data): Declare.
2575 * bb-reorder.c (function_obstack): Replace with ...
2576 (flow_obstack): ... new variable.
2577 (fixup_reorder_chain): Use it.
2578 * c-decl.c (ggc_p): Remove.
2579 (caller-save.c): Don't call oballoc/obfree.
2581 undobuf): Remove storage.
2582 (try_combine): Don't call oballoc.
2583 (undo_all): Don't call obfree.
2584 * cse.c (insert): Use xmalloc, not
2586 (cse_main): Adjust accordingly.
2587 * dwarf2out.c (save_rtx): Remove
2589 (dwarf2out_init): Remove ggc_p conditionals.
2590 * emit-rtl.c (rtl_obstack): Remove.
2591 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
2592 (make_insn_raw): Likewise.
2593 (emit_insn_before): Likewise.
2594 (emit_insn_after): Likewise.
2595 (emit_insn): Likewise.
2596 (gen_sequence): Likewise.
2597 (copy_insn_1): Remove handling of `b' RTL components.
2598 (init_emit_once): Remove ggc_p conditionals.
2599 * except.c (create_rethrow_ref): Don't fool with obstacks.
2600 (add_partial_entry): Likewise.
2601 (call_get_eh_context): Likewise.
2602 (begin_protect_partials): Likewise.
2603 (protect_with_terminate): Likewise.
2605 (plus_constant_wide): Likewise.
2606 * expr.c (init_expr_once):
2608 (emit_block_move): Likewise.
2609 (clear_storage): Likewise.
2610 (expand_expr): Likewise.
2611 * flow.c (function_obstack): Remove.
2612 (flow_obstack): New variable.
2613 (flow_firstobj): Likewise.
2614 (create_base_block): Use the flow_obstack.
2615 (split_block): Likewise.
2616 (split_edge): Likewise.
2617 (calculate_global_regs_live): Likewise.
2618 (allocate_bb_life_data): Make it static. Likewiwse.
2619 (init_flow): New function.
2620 (size_int_type_wide): Remove ggc_p conditionals.
2622 (push_function_context_to): Don't call save_tree_status.
2623 (pop_function_context_from): Or restore_tree_status.
2624 (assign_stack_local_1): Don't call push_obstacks.
2625 (find_fixup_replacement): Use xmalloc.
2626 (fixup_var_refs_insns): Free the storage.
2627 (insns_for_mem_walk): Don't mess with obstacks.
2628 (instantiate_decls): Likewise.
2629 (trampoline_address): Likewise.
2630 (expand_function_end): Likewise.
2631 * function.h (sturct function):
2632 Remove obstack-related variables.
2633 (save_tree_status): Don't declare.
2634 (restore_tree_status): Likewise.
2635 * gcse.c (compute_can_copy):
2636 Don't call oballoc/obfree.
2637 * genattrtab.c (operate_exp): Remove
2639 (simplify_cond): Likewise.
2640 (simplify_test_exp): Don't mess with obstacks.
2641 (optimize_attrs): Likewise.
2642 * gengenrtl.c (gendef): Don't include
2644 * ggc-callbacks.c (ggc_p): Remove.
2645 * ggc-none.c (ggc_p): Remove.
2646 * ggc.h (ggc_p): Don't declare.
2647 * integrate.c (save_for_inline): Don't mess with obstacks.
2648 (integrate_decl_tree): Likewise.
2649 (output_inline_function): Likewise.
2651 (init_EXPR_INSN_LIST_cache): Likewise.
2652 * loop.c (temp_obstack):
2654 (rtl_obstack): Likewise.
2655 (init_loop): Don't mess with obstacks.
2656 (reg_address_cost): Free BIVs and GIVs.
2657 (check_insns_for_bivs): Use xmalloc, not oballoc.
2658 (find_mem_givs): Likewise.
2659 (record_biv): Likewise.
2660 (general_induction_var): Likewise.
2661 (product_cheap_p): Likewse.
2662 * optabs.c (init_one_libfunc): Remove
2664 * print-tree.c (debug_tree): Don't use
2666 (print_node): Likewise.
2667 * profile.c (output_func_start_profiler):
2668 Remove call to temporary_allocation.
2670 (eliminate_regs_in_insn): Don't mess with obstacks.
2672 (mark_target_live_regs): Use xmalloc.
2673 (free_resource_info): Free the memory.
2674 * rtl.c (rtl_obstack):
2676 (rtvec_alloc): Don't mess with obstacks.
2677 (rtx_alloc): Likewise.
2679 (copy_rtx): Don't handle `b' cases.
2680 (read_rtx): Use a local rtl_obstack.
2681 * rtl.h (oballoc): Remove.
2683 (pop_obstacks): Likewise.
2684 (push_obstacks): Likewise.
2685 (allocate_bb_life_data): Likewise.
2686 (allocate_reg_life_data): Likewise.
2687 (rtx_free): Likewise.
2688 * sdbout.c (sdbout_queue_anonymous_type):
2689 Use tree_cons, not saveable_tree_cons.
2691 (cselib_init): Don't mess with obstacks.
2693 (mark_block_nesting): Mark the label_chain.
2694 (epxand_label): Use ggc_alloc, not oballoc.
2695 (clear_last_expr): Don't mess with obstacks.
2696 (expand_decl_cleanup): Likewise.
2697 (expand_dcc_cleanup): Likewise.
2698 (expand_dhc_cleanup): Likewise.
2699 (expand_anon_union_decl): Likewise.
2700 (add_case_node): Use xmalloc, not oballoc.
2701 (free_case_nodes): New function.
2702 (expand_end_case): Call it.
2703 * stor-layout.c (layout_type): Don't
2705 (layout_type): Likewise.
2706 * toplev.c (wrapup_global_declarations):
2708 (compile_file): Remove ggc_p conditionals.
2709 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
2710 (decode_f_option): Remove ggc_p conditionals.
2712 (function_maybepermanent_obstack): Remove.
2713 (maybepermanent_obstack): Likewise.
2714 (function_obstack): Likewise.
2715 (tmeporary_obstack): Likewise.
2716 (momentary_obstack): Likewise.
2717 (temp_decl_obstack): Likewise.
2718 (saveable_obstack): Likewise.
2719 (rtl_obstack): Likewise.
2720 (current_obstack): Likewise.
2721 (expression_obstack): Likewise.
2722 (struct obstack_stack): Likewise.
2723 (obstack_stack): Likewise.
2724 (obstack_stack_obstack): Likewise.
2725 (maybepermanent_firstobj): Likewise.
2726 (temporary_firstobj): Likewise.
2727 (momentary_firstobj): Likewise.
2728 (temp_decl_firstobj): Likewise.
2729 (momentary_function_firstobj): Likewise.
2730 (all_types_permanent): Likewise.
2731 (struct momentary_level): Likewise.
2732 (momentary_stack): Likewise.
2733 (init_obstacks): Remove initialization of removed obstacks.
2734 (save_tree_status): Remove.
2735 (restore_tree_status): Likewise.
2736 (temporary_allocation): Liekwise.
2737 (end_temporary_allocation): Liekwise.
2738 (resume_temporary_allocation): Likewise.
2739 (saveable_allocation): Likewise.
2740 (push_obstacks): Likewise.
2741 (push_obstacks_nochange): Likewise.
2742 (pop_obstacks): Likewise.
2743 (allocation_temporary_p): Likewise.
2744 (permanent_allocation): Likewise.
2745 (preserve_data): Likewise.
2746 (preserve_initializer): Likewise.
2747 (rtl_in_current_obstack): Likewise.
2748 (rtl_in_saveable_obstack): Likewise.
2749 (oballoc): Likewise.
2751 (savealloc): Likewise.
2752 (expralloc): Likewise.
2753 (print_obstack_name): Likewise.
2754 (debug_obstack): Likewise.
2755 (object_permanent_p): Likewise.
2756 (push_momentary): Likewise.
2757 (perserve_momentary): Likewise.
2758 (clear_momentary): Likewise.
2759 (pop_momentary): Likewise.
2760 (pop_momentary_nofree): Likewise.
2761 (suspend_momentary): Likewise.
2762 (resume_momentary): Likewise.
2763 (make_node): Don't set TREE_PERMANENT.
2764 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
2765 Don't set TREE_PERMANENT.
2766 (get_identifier): Remove ggc_p conditionals.
2767 (build_string): Likewise.
2768 (make_tree_vec): Likewise.
2769 (build_decl_list): Remove.
2770 (build_expr_list): Likewise.
2771 (tree_cons): Remove ggc_p conditionals.
2772 (decl_tree_cons): Remove.
2773 (expr_tree_cons): Likewise.
2774 (perm_tree_cons): Likewise.
2775 (temp_tree_cons): Likewise.
2776 (saveable_tree_cons): Likewise.
2777 (build1): Remove ggc_p conditionals.
2778 (build_parse_node): Likewise.
2779 (build_type_attribute_variant): Don't mess with obstacks.
2780 (build_type_copy): Likewise.
2781 (type_hash_canon): Likewise.
2782 (build_pointer_type): Likewise.
2783 (build_reference_type): Likewise.
2784 (build_index_type): Likewise.
2785 (build_range_type): Likewise.
2786 (dump_tree_statistics): Don't print obstack information.
2788 (struct tree_common): Remove permanent_flag.
2789 (TREE_PERMANENT): Remove.
2790 (TREE_SET_PERMANENT): Likewise.
2791 (TYPE_OBSTACK): Likewise.
2792 (struct tree_type): Remove obstack.
2794 (savealloc): Likewise.
2795 (build_decl_list): Likewise.
2796 (build_expr_list): Likewise.
2797 (perm_tree_cons): Likewise.
2798 (temp_tree_cons): Likewise.
2799 (saveable_tree_cons): Likewise.
2800 (decl_tree_cons): Likewise.
2801 (expr_tree_cons): Likewise.
2802 (suspend_momentary): Likewise.
2803 (allocation_temporary_p): Likewise.
2804 (resume_momentary): Likewise.
2805 (push_obstacks_nochange): Likewise.
2806 (permanent_allocation): Likewise.
2807 (push_momentary): Likewise.
2808 (clear_momentary): Likewise.
2809 (pop_momentary): Likewise.
2810 (end_temporary_allocation): Likewise.
2811 (pop_obstacks): Likewise.
2812 (push_obstacks): Likewise.
2813 (pop_momentary_nofree): LIkewise.
2814 (preserve_momentary): Likewise.
2815 (saveable_allocation): Likewise.
2816 (temporary_allocation): Likewise.
2817 (resume_temporary_allocation): Likewise.
2818 (perserve_initializer): Likewise.
2819 (debug_obstack): Likewise.
2820 (rtl_in_current_obstack): Likewise.
2821 (rtl_in_saveable_obstack): Likewise.
2823 * varasm.c (current_obstack): Remove.
2824 (saveable_obstack): Remove.
2825 (rtl_obstack): Remove.
2826 (immed_double_const): Don't mess with obstacks.
2827 (immed_real_cons): Likewise.
2828 (output_constant_def): Likewise.
2829 (init_varasm_status): Use xcalloc.
2830 (mark_pool_constant): Mark the pool constant itself.
2831 (free_varasm_status): Free memory.
2832 (decode_rtx_const): Call bzero directly, rather than expanding it
2834 (record_rtx_const): Don't mess with obstacks.
2835 (force_const_mem): Likewise.
2836 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
2838 (aof_pic_entry): Likewise.
2839 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
2840 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
2841 * config/pa/pa.c (saveable_obstack): Remove.
2842 (rtl_obstack): Likewise.
2843 (current_obstack): Likewise.
2844 (output_call): Don't mess with obstacks.
2845 (hppa_encode_label): Remove ggc_p conditionals.
2846 * config/romp/romp.c (get_symref): Don't mess with obstacks.
2847 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
2848 (rs6000_encode_section_info): Likewise.
2849 * config/sh/sh.c (get_fpscr_rtx): Likewise.
2851 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
2853 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
2854 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
2855 (addsi3_carry): Canonicalize.
2856 (addqi_5): Remove '*'.
2857 (sbb pattern): Canonicalize.
2859 * i386.md (cmp to inc/add peep2): New.
2861 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
2863 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
2866 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2868 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
2869 * README.TRAD, TESTS.FLUNK: Remove.
2871 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2873 * c-common.c (decl_attributes): Don't allow strftime formats with
2874 first_arg_num nonzero.
2875 (check_format_info): Set wanted_type and wanted_type_name to zero
2876 before they are possibly assigned and used.
2878 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2880 * c-common.c (scanf_flag_specs): Add flags ' and I.
2881 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
2882 or the ^ and # flags together.
2883 (scan_char_table): Handle the ' and I flags.
2884 (format_types): Add ' and I flags for scanf.
2886 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2888 * c-common.c (print_char_table): Use the unpromoted type for
2889 lengths "h" and "hh" with conversions dioxXu.
2890 (check_format_types): Apply the default argument promotions where
2891 the wanted type is not a pointer target.
2893 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2894 Joseph S. Myers <jsm28@cam.ac.uk>
2896 * c-typeck.c (check_modify_expr): New function.
2897 (build_modify_expr): Call it if warn_sequence_point.
2898 * c-decl.c (warn_sequence_point): New variable.
2899 (c_decode_option): Handle -Wsequence-point and
2900 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2901 * c-tree.h (warn_sequence_point): Declare.
2902 * invoke.texi (-Wsequence-point): Document.
2903 * toplev.c (documented_lang_options): Add -Wsequence-point and
2904 -Wno-sequence-point.
2905 Original work by Michael Meeks, 16 Jun 1998.
2907 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2909 * tree.c (get_narrower): Don't look at precision of field if
2912 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2914 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2915 declaration for data with "progmem" attribute.
2917 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2919 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2920 Correct insn length if shift count is a memory operand.
2921 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2922 (*iorhi3_clobber): Change lo8 to hi8.
2923 (zero_extendhisi2): Change %B0 to %A1.
2924 (ashlhi3, ashrhi3): Correct insn length.
2925 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2926 from "clobber" to "set_n" in some alternatives.
2928 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2930 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2931 remove its insn_chain structure as well.
2933 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2935 * dbxout.c (dbxout_source_line): Remove extra tab.
2937 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2939 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2941 2000-10-09 Richard Henderson <rth@cygnus.com>
2943 * Makefile.in (LANG_LIB2FUNCS): Remove.
2944 (LIB2FUNCS): Remove _pure.
2945 (LIB2ADD): Remove LANG_LIB2FUNCS.
2946 (stage_a): Don't set LANG_LIB2FUNCS.
2947 * libgcc2.c (__terminate): Mark noreturn.
2948 (__pure_virtual): Remove.
2949 * mklibgcc.in: Remove LIB2ADD .txt processing.
2951 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2953 * arm.md (push_multi): Revert unintended change.
2955 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2957 * arm.c: Miscellaneous white space and comment clean-ups. No
2961 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2963 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2964 STRING_CST by calling combine_strings.
2966 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2968 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2969 (thumb_output_move_mem_multiple): Support new insn format.
2970 * arm.md (movmem12b): Use SSA compatible format.
2971 (movmem8b): Likewise.
2973 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2975 * arm.md (predicable): New attribute, default to "no".
2976 (all patterns): Mark as predicable if appropriate.
2977 (conditional execution splits): Split using predication format.
2978 (define_cond_exec): Define.
2979 * arm.c (arm_print_operand): handle insn predicate.
2981 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2983 * README.NS32K: Remove file.
2985 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2987 * README-bugs: Remove file.
2989 2000-10-08 Philipp Thomas <pthomas@suse.de>
2990 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2992 * configure: Rebuilt.
2994 2000-10-08 Philipp Thomas <pthomas@suse.de>
2995 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2996 disable catalog building if no suitable program was found.
2997 Move warning message from here
2998 (AM_GNU_GETTEXT): To here.
2999 * configure: Rebuilt.
3001 2000-10-08 Philipp Thomas <pthomas@suse.de>
3002 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3003 different cache variables.
3004 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3005 uses different cache variables.
3006 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3007 * configure: Regenerated.
3009 2000-10-08 Richard Henderson <rth@cygnus.com>
3011 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3012 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3013 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3016 * config/t-linux (SHLIB_EXT): New.
3017 (SHLIB_LINK): Use the entire build command, with substitutions.
3018 (SHLIB_LIBS): Remove.
3019 * config/alpha/t-osf4: Likewise.
3020 * config/mips/t-iris6: Likewise.
3021 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3022 * config/sparc/t-slibgcc-sld: ...here.
3023 * config/sparc/t-slibgcc: New file.
3025 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3027 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3028 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3030 (intmax_type_node, uintmax_type_node): Define.
3031 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3032 attributes create a type wider than intmax_t.
3033 (T_IM, T_UIM): Define properly.
3034 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3036 (init_decl_processing): Initialize intmax_type_node and
3038 * c-lex.c (lex_number): When pedantic and warning for integer
3039 constants that are too large, in C99 mode warn for those that have
3040 a type wider than long long.
3042 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3044 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3045 FMT_FLAG_FANCY_PERCENT_OK): Define.
3046 (format_char_info): Add flag "4" to comment.
3047 (format_flag_spec, format_flag_pair): New structures.
3048 (format_kind_info): Add additional fields to control format
3050 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3051 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3053 (time_char_table): Use "4" flag to handle %Ey.
3054 (format_types): Add entries for new fields.
3055 (get_flag_spec): New function.
3056 (check_format_info): Increase size of flag_chars[] to 256.
3057 Control format checking using the new fields of a format_kind_info
3058 and the new tables; remove all conditionals on printf_format_type,
3059 scanf_format_type or strftime_format_type. Handle all details of
3060 bad combinations of flags (including width, precision and strftime
3061 modifiers) through data rather than ad hoc code. Handle all
3062 details of standard versions in which flags appeared through
3063 data. Use the "4" flag.
3065 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3067 * config/h8300/h8300.md: Remove the memory alternative and correct
3068 the insn lengths in the templates for sign extention and zero
3071 2000-10-07 Richard Henderson <rth@cygnus.com>
3073 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3074 * flow.c (make_edges): Revert last change.
3076 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3078 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3080 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3082 * config/alpha/elf.h: Standardize the formatting.
3084 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3086 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3089 2000-10-06 Richard Henderson <rth@cygnus.com>
3091 * function.c (diddle_return_value): Examine
3092 current_function_return_rtx instead of the DECL_RESULT.
3093 (expand_function_end): Handle reloading DECL_RESULT from memory
3094 into a hard register. Query promote_mode for sign of mismatched
3097 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3099 * haifa-sched.c (schedule_insns): Fix typo in freeing
3100 forward_dependency_cache.
3102 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3104 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3105 `TARGET_SH2' as a condition.
3107 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3109 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3110 forward_dependency_cache): New variables.
3111 (add_dependence, remove_dependence): Use anti_dependency_cache and
3112 output_dependency_cache.
3113 (compute_block_forward_dependences): Use forward_dependency_cache.
3114 (schedule_insns): Allocate and free memory for anti/output/forward
3115 dependencies caches.
3117 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3119 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3120 `! TARGET_SH1'. Reindent.
3122 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3124 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3125 Move functions from here ...
3127 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3129 (c_expand_builtin): New function.
3130 (init_function_format_info): Don't set `check_function_format_ptr'.
3131 (c_common_nodes_and_builtins): Set built_in_class type for
3132 printf/__builtin_printf to BUILT_IN_FRONTEND.
3133 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3135 * c-common.h (build_function_call): Declare.
3137 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3138 to `lang_expand_expr' rather than `expand_builtin'.
3140 * tree.c (check_function_format_ptr): Delete.
3142 * tree.h (check_function_format_ptr): Likewise.
3144 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3146 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3147 DW_OP_bregx when cfa->reg > 31.
3149 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3152 2000-10-05 Richard Henderson <rth@cygnus.com>
3154 * c-decl.c (warn_missing_noreturn): Remove.
3155 (c_expand_body): Don't set or check can_reach_end.
3156 * c-tree.h (warn_missing_noreturn): Move ...
3157 * flags.h: ... here.
3158 (can_reach_end): Remove.
3159 * flow.c (check_function_return_warnings): New.
3160 (make_edges): No edge to exit for noreturn sibcalls.
3161 * function.c (expand_function_end): Save the return value
3162 clobber instruction.
3163 (mark_function_status): Mark it.
3164 * function.h (struct function): Add x_clobber_return_insn.
3165 * jump.c (can_reach_end): Remove.
3166 (calculate_can_reach_end): Remove.
3167 (jump_optimize_1): Don't call it.
3168 * output.h (check_function_return_warnings): Declare.
3169 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3170 (rest_of_compilation): Call check_function_return_warnings.
3172 2000-10-05 Richard Henderson <rth@cygnus.com>
3174 * Makefile.in (NM_FOR_TARGET): New.
3175 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3176 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3177 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3178 shared library build on that and EXTRA_MULTILIB_PARTS.
3179 * mkmap-flat.awk: New file.
3180 * mkmap-symver.awk: New file.
3181 * libgcc-std.ver: New file.
3182 * config/libgcc-glibc.ver: New file.
3183 * config/ia64/libgcc-ia64.ver: New file.
3184 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3185 (SHLIB_LINK): Add --version-script.
3186 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3187 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3188 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3189 (SHLIB_LINK): Add -M.
3191 2000-10-05 Richard Henderson <rth@cygnus.com>
3193 * Makefile.in (LIB2FUNCS): Add _clz.
3194 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3195 (__clz_tab): Put in its own unit, non-static.
3196 * libgcc2.h: Always include longlong.h.
3198 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3199 a zero instead of -1.
3200 (count_trailing_zeros): Likewise.
3202 2000-10-05 Richard Henderson <rth@cygnus.com>
3204 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3205 when second op1 is const0_rtx. Validate op0 as a register.
3206 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3207 in the first argument of the compare.
3208 (setcc_swapped_internal): Likewise.
3209 (setne_internal): Likewise.
3211 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3213 * tree.c (tree_size): New function split out of copy_node.
3214 (make_node): Remove obstack handling. Use tree_size.
3215 (copy_node): Use tree_size.
3216 * tree.h: Prototype tree_size.
3218 2000-10-05 Richard Henderson <rth@cygnus.com>
3220 * diagnostic.c (output_format): Add missing break.
3222 2000-10-05 Jim Wilson <wilson@cygnus.com>
3224 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3225 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3226 sequence insn to INSN, and delete last sequence insn.
3228 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3230 * gcc.c (main): Include generated configargs.h header
3231 and use arguments in '-v' output.
3233 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3235 * gcc.c: Move data on prefixes forward in file and reorganize.
3236 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3237 Always define, but make null if no value.
3238 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3239 and "md_startfile_prefix_1".
3240 (main): Check whether md_exec_prefix and the others are the
3241 null string rather than whether the macro is defined.
3243 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3245 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3246 from PSImode to SImode.
3248 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3250 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3251 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3252 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3255 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3257 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3258 negation in proper type.a
3260 2000-10-04 Richard Henderson <rth@cygnus.com>
3262 * configure.in (enable-shared): New.
3263 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3264 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3265 * mklibgcc.in: Use them to link shared a libgcc.
3266 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3267 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3268 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3269 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3271 * configure.in (alpha-osf*): Use t-osf and x-osf.
3272 * config/alpha/t-osf: New file.
3273 * config/alpha/t-osf4: New file.
3274 * config/alpha/x-osf: New file.
3275 * config/alpha/x-alpha: Remove file.
3277 2000-10-04 Will Cohen <wcohen@redhat.com>
3279 * c-typeck.c (process_init_element): Added warning for zero-length
3282 * extend.texi (Zero Length): State that static initializers for
3283 zero-length arrays are not allowed.
3285 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3287 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3290 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3292 * config/float-c4x.h: New.
3293 * configure.in (c4x-*): Set float_format to c4x.
3294 * configure: Regenerate.
3296 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3298 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3299 compilation for solaris versions 2.7 and greater.
3301 2000-10-02 Marc Espie <espie@openbsd.org>
3303 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3304 instead of redefining from scratch.
3306 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3308 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3310 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3312 * config/ns32k/genix.h: Remove.
3313 * config/ns32k/x-genix: Likewise.
3314 * config/ns32k/xm-genix.h: Likewise.
3315 * config/fx80: Remove all filee in directory.
3316 * config/pyr: Likewise.
3317 * config/tahoe: Likewise.
3318 * config/gmicro: Likewise.
3319 * config/spur: Likewise.
3320 * configure.in: Remove configury bits for above targets.
3321 * configure: Regenerated.
3323 * configure.in: Don't configure chill by default.
3324 * configure: Regenerated.
3326 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3327 (lang_mark_false_label_stack): Remove.
3328 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3329 <top level> string in GC area.
3330 (mark_splay_tree_node): New function.
3331 (mark_splay_tree): Likewise.
3332 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3334 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3335 * ggc-common.c (lang_mark_false_label_stack): Change type.
3336 * ggc.h (ggc_alloc_string): Add comment.
3337 (ggc_strdup): New function.
3339 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3341 * config/avr/avr.h (BRANCH_COST): Define as 0.
3343 * config/pdp11/pdp11.c: #include "tree.h" added.
3345 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3347 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3348 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3349 with known shift count.
3350 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3351 New alternative for shift count 2 with no scratch register.
3352 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3353 "set_n" for shift counts 1 and 2.
3355 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3357 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3358 the mask value from the individual SET operations.
3359 (return_internal_si): Move the USE after the RETURN.
3360 (return_internal_di): Likewise.
3361 (return_and_restore_fpregs_si): Likewise.
3362 (return_and_restore_fpregs_di): Likewise.
3363 (return_eh_si): Likewise.
3364 (return_eh_di): Likewise.
3365 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
3367 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
3368 Don't generate a PARALLEL around a single operation movsi_to_cr.
3369 Generate the RETURN first in any PARALLELs.
3371 * rtlanal.c (single_set_1): Use fatal_insn to display the
3372 invalid insn. Check for more cases when a USE or CLOBBER occurs
3374 * Makefile.in: Update dependencies for rtlanal.o.
3376 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3378 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
3380 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3382 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
3383 Consistently use @email for formatting email addresses.
3385 2000-09-29 Richard Henderson <rth@cygnus.com>
3387 * cse.c (notreg_cost): New argument outer.
3388 (COST): Pass in SET to notreg_cost
3390 (fold_rtx): Use COST_IN. Prefer constants when costs
3393 2000-09-29 David Edelsohn <edelsohn@gnu.org>
3395 * fixinc/inclhack.def (broken_cabs): Generalize regex.
3396 * fixinc/fixincl.x: Regenerate.
3398 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3400 * loop.c (check_final_value): A GIV is not replaceable if used
3403 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
3405 * version.c: Bump to gcc-2.97.
3407 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
3409 * final.c (final_scan_insn): Remove extra extract_insn call;
3410 Use caching for constrain_operands.
3411 (cleanup_subreg_operands): Use caching for extract_insn.
3412 * recog.c (constrain_operands_cached): New.
3413 * recog.h (constrain_operands_cached): Declare.
3414 * i386.c (ix86_attr_length_immediate_default,
3415 ix86_attr_length_address_default, ix86_agi_dependant): Cache
3418 * recog.c (asm_noperands): Tweak.
3419 (extract_insn): Do not call asm_noperads for non-asm instructions.
3421 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3423 * recog.c (recog_memoized): Rename to recog_memoized_1.
3424 * recog.h (recog_memoized): Rename to recog_memoized_1.
3425 (recog_memoized): New macro.
3426 * rtl.h (single_set): Rename to single_set_1
3427 (single_set): New macro.
3428 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
3431 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
3432 Do not use match_dup of input operands at outputs.
3433 Use register_operand for memory expression.
3434 (rep_movsi): Put use last, canonicalize.
3435 Use register_operand for memory expression.
3436 (rep_movqi): Put use last.
3437 Use register_operand for memory expression.
3438 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
3439 of input operands at outputs. Use register_operand for memory
3441 (rep_stossi): Put use last; canonicalize; fix match_dup in
3442 the address expression
3443 (rep_stosqi): Likewise.
3444 (memcmp expander): Update calls.
3445 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
3448 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
3450 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
3452 2000-09-28 David O'Brien <obrien@FreeBSD.org>
3454 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
3455 Contains the old contents of config/i386/freebsd.h
3456 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
3457 Contains the old contents of config/i386/freebsd-elf.h
3458 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
3459 config/i386/freebsd.h.
3460 * configure.in: Adjust for above changes.
3461 * po/POTFILES.in: Likewise.
3462 * po/en_GB.po: Likewise.
3463 * po/gcc.pot: Likewise.
3464 * configure: Rebuilt.
3466 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3468 * doloop.c (doloop_modify): Prevent delete_insn() from
3469 deleting too much. Prefer loop->top over loop->start as
3470 target for the new JUMP insn.
3471 (doloop_valid_p): Ignore loop with exit_count != 0.
3473 2000-09-28 Philipp Thomas <pthomas@suse.de>
3475 * invoke.texi (i386 Options): Add athlon to table of possible
3478 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
3480 * diagnostic.h (output_clear_message_text): New function.
3481 (output_message_text): New macro.
3483 * diagnostic.c (clear_text_info): Rename to
3484 output_clear_message_text.
3485 (output_clear): Adjust.
3486 (output_finish): Rename to output_finalize_message. Tweek.
3487 (output_to_stream): Adjust.
3489 2000-09-28 Neil Booth <neilb@earthling.net>
3491 * cpperror.c (_cpp_begin_message): Do the test for suppression
3492 of warnings and pedantic warnings before the "is a warning an
3494 * cppinit.c (cpp_handle_option): Remove surplus \n.
3495 * cpplex.c (ON_REST_ARG): Delete.
3496 (skip_block_comment): Initialise prevc.
3497 (parse_args): Improve error messages.
3498 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
3500 * cpplib.c (cpp_push_buffer): Fix grammar in message.
3501 * cppmain.c (main): Set callbacks for #ident and #pragma
3502 only if no_output option is false.
3503 (do_pragma_implementation): Only call the #pragma handler
3504 if it is set in the cpp_reader structure.
3506 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
3508 * integrate.c (copy_insn_list): if an ignored return value
3509 is being clobbered, skip cloning that into the inline copy.
3511 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
3513 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
3514 use @uref for formatting URLs.
3516 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
3518 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
3521 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
3523 * gcc.c (cpp_options): Add spec for -ftabstop=.
3524 (invoke_as): New spec that handles invoking as.
3525 Update specs to handle -save-temps and -traditional.
3526 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
3528 * cp/lang-specs.h, objc/lang-specs.h: Update to use
3529 invoke_as, and handle -save-temps and -traditional (if
3532 2000-09-26 Jakub Jelinek <jakub@redhat.com>
3534 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
3536 (function_arg_slotno): Accept TImode/CTImode.
3537 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
3540 2000-09-26 Michael Hayes <mhayes@cygnus.com>
3542 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
3545 2000-09-25 Jim Wilson <wilson@cygnus.com>
3547 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
3548 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
3549 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
3550 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
3552 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
3554 * cpplex.c (parse_args): Don't set VOID_REST flag.
3555 (CONTEXT_VARARGS): New flag.
3556 (maybe_paste_with_next): Set context earlier in loop. Use
3557 it. Do varargs test with CONTEXT_VARARGS flag.
3558 (push_arg_context): Set CONTEXT_VARARGS flag if we're
3559 pushing an argument context for a varargs argument.
3560 * cpplib.h (VOID_REST): Delete.
3561 * gcc.dg/cpp/vararg1.c: Add test case.
3563 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
3565 * flags.h: Declare warning flag warn_system_headers.
3566 * toplev.c: Define it.
3567 (W_options): Add option -Wsystem-headers.
3568 * diagnostic.c (count_error): Test warn_system_headers.
3569 * invoke.texi: Add description for -Wsystem-headers.
3570 * cpplib.h (cpp_options): New member warn_system_headers.
3571 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
3572 CPP_IN_SYSTEM_HEADER.
3573 * cpplib.c (do_import, do_pragma_once): Likewise.
3574 * cpperror.c (_cpp_begin_message): Test warn_system_headers
3575 and CPP_IN_SYSTEM_HEADER.
3576 * cppinit.c (handle_option): Recognize -Wsystem_headers.
3577 (print_help): Describe -Wsystem_headers.
3578 * cpplex.c (lex_line): Reorganize condition so that warnings
3579 about C++ comments in system headers can be enabled. Remove
3580 label do_line_comment.
3582 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
3584 * cpplex.c (save_comment): Only store the initial '/'
3586 (lex_token): Combine handling of the two comment types.
3587 Pass everything but the initial '/' to save_comment.
3589 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
3591 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
3592 _cpp_can_paste): New library-internal prototypes.
3593 * cpplex.c (dump_param_spelling, output_line_command,
3594 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
3595 cpp_printf, cpp_output_list): Move to cppoutput.c.
3596 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
3597 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
3599 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
3600 dump_param_spelling, output_line_command, cpp_scan_buffer,
3601 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
3603 * Makefile.in: Add cppoutput.c.
3604 * po/POTFILES.in: Add cppoutput.c.
3606 2000-09-25 Richard Henderson <rth@cygnus.com>
3608 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
3609 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
3610 split until after reload.
3611 (rotlsi3, rotldi3): New.
3613 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
3615 * diagnostic.c (output_last_position): Define.
3616 (set_real_maximum_length): Tweek.
3617 * diagnostic.h (output_last_position): Declare.
3619 2000-09-25 Kazu Hirata <kazu@hxi.com>
3621 * config/i386/i386.c: Fix formatting.
3623 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
3625 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
3626 UNITS_PER_WORD is small.
3628 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
3630 * c-common.c (format_char_info): Add flags2; update comments.
3631 (print_char_table, scan_char_table, time_char_table): Split some
3632 flags out into flags2.
3633 (check_format_info): Use flags2 for those flags, for identifying
3634 the initial character of a scanf scanset, and for identifying
3635 printf formats where the '0' flag is ignored with precision.
3637 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
3639 Changes below marked "here" add TABs on either or both sides,
3640 covering start of line, up to any operand for all noted .*ASM.*_OP
3641 definitions. All callers changed.
3642 * tm.texi: Make documented *_ASM.*_OP:s include spacing
3643 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
3644 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3645 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3646 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
3647 Fix typos in description for LONG_LONG_TYPE_SIZE and
3648 FINI_SECTION_ASM_OP.
3649 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
3650 why these defaults don't have leading spacing.
3651 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
3652 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3653 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
3654 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
3655 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
3656 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
3657 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
3658 * varasm.c (ASM_STABS_OP): Here.
3659 * xcoffout.h (ASM_STABS_OP): Here.
3660 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3661 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3662 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
3663 STRING_ASM_OP): Here.
3664 * config/freebsd.h (IDENT_ASM_OP): Here.
3665 * config/linux-aout.h (SET_ASM_OP): Here.
3666 * config/linux.h (SET_ASM_OP): Here.
3667 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3669 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3670 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
3671 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3672 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3674 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3675 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3676 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
3677 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3678 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
3679 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3680 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
3681 * config/a29k/udi.h (INT_ASM_OP): Here.
3682 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
3683 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3685 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
3686 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3687 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3688 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
3689 ASM_STABD_OP): Here.
3690 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
3691 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
3692 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3693 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
3694 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
3695 SIZE_ASM_OP, STRING_ASM_OP): Here.
3696 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
3697 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
3698 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
3699 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
3700 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
3701 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
3703 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3704 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
3705 * config/arm/coff.h (INT_ASM_OP): Here.
3706 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3707 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
3708 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
3709 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
3710 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3711 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3712 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
3713 STRING_ASM_OP): Here. Update documentation copy in comments.
3714 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
3715 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
3716 DATA_SECTION_ASM_OP): Here.
3717 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
3719 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
3720 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3721 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3722 BSS_SECTION_ASM_OP): Here.
3723 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3724 BSS_SECTION_ASM_OP): Here.
3725 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3727 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
3728 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3729 * config/h8300/h8300.h (ASM_WORD_OP): Here.
3730 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3731 BSS_SECTION_ASM_OP): Here.
3732 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
3733 * config/i386/bsd.h (ASM_BYTE_OP): Here.
3734 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
3735 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
3736 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
3738 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
3739 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
3741 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
3742 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3743 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
3744 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3746 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
3747 * config/i386/netbsd.h (INT_ASM_OP): Here.
3748 * config/i386/openbsd.h (INT_ASM_OP): Here.
3749 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
3750 IDENT_ASM_OP): Here.
3751 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
3752 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
3753 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
3754 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
3755 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
3756 SHARED_BSS_SECTION_ASM_OP): Here.
3757 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
3758 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3759 DATA_SECTION_ASM_OP): Here.
3760 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3761 CONST_SECTION_ASM_OP): Here.
3762 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
3763 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3764 BSS_SECTION_ASM_OP): Here.
3765 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
3766 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
3767 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
3768 BSS_ASM_OP): Here, but use trailing spaces.
3769 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3770 DATA_SECTION_ASM_OP): Here.
3771 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
3773 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
3774 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
3775 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3776 TDESC_SECTION_ASM_OP): Here.
3777 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
3778 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3779 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3781 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3782 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3783 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3784 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3785 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
3786 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
3787 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3788 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
3789 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
3790 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
3791 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3792 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3794 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3795 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3796 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
3797 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
3798 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
3799 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
3800 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
3801 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3802 GLOBAL_ASM_OP): Here.
3803 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
3804 BSS_SECTION_ASM_OP): Here.
3805 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
3806 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3807 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
3808 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
3810 * config/m68k/newsgas.h (SET_ASM_OP): Here.
3811 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
3812 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3813 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3814 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3815 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
3816 but use trailing spaces.
3817 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
3818 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
3819 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
3821 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3822 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3823 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3824 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3825 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3826 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
3827 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
3828 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
3829 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
3830 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
3831 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3832 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
3834 * config/m88k/openbsd.h (SET_ASM_OP): Here.
3835 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3836 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3837 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
3838 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
3839 DTORS_SECTION_ASM_OP): Here.
3840 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
3841 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3842 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
3843 BSS_SECTION_ASM_OP): Here.
3844 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
3845 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
3846 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
3847 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
3848 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
3849 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3850 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
3851 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
3853 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
3855 * config/mips/osfrose.h (SET_ASM_OP): Here.
3856 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
3857 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
3858 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
3859 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3861 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
3862 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
3863 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
3864 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
3865 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
3866 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3868 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3870 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
3871 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
3872 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
3874 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
3875 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
3876 * config/sparc/linux.h (COMMON_ASM_OP): Here.
3877 * config/sparc/linux64.h (COMMON_ASM_OP,
3878 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3879 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
3880 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3881 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
3882 * config/sparc/pbd.h (ASM_INT_OP): Here.
3883 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
3884 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3885 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3886 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3887 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3888 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3889 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3890 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3891 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3892 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3893 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3894 EH_FRAME_SECTION_ASM_OP): Here.
3895 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3896 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3898 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3900 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3901 TCOMMON_ASM_OP): Here.
3902 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3904 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3907 2000-09-25 Richard Henderson <rth@cygnus.com>
3909 * expmed.c (store_bit_field): Adjust last change to not consider
3910 any word-sized field naturally aligned.
3912 2000-09-24 Richard Henderson <rth@cygnus.com>
3914 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3915 TFmode unordered compares properly. Revalidate integer compare
3917 (alpha_emit_setcc): New.
3918 (alpha_emit_conditional_move): Revalidate integer compare operands.
3919 * config/alpha/alpha-protos.h: Update.
3920 * config/alpha/alpha.md (cmpdi): Allow general operands.
3921 (sne): Use alpha_emit_setcc.
3922 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3923 (sunordered, sordered): New.
3925 2000-09-24 Richard Henderson <rth@cygnus.com>
3927 * config/ia64/ia64-protos.h: Update.
3928 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3929 (ia64_expand_call): New.
3930 (ia64_expand_prologue): Emit an alloc if we need extra input
3932 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3933 instruction if true.
3934 (struct reg_flags): Add is_sibcall.
3935 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3936 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3937 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3938 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3939 * config/ia64/ia64.md (call): Use ia64_expand_call.
3940 (call_value): Likewise.
3941 (sibcall, sibcall_value): New.
3942 (call patterns): Remove extra expanders; tidy.
3943 (sibcall_epilogue): New.
3944 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3946 2000-09-24 Richard Henderson <rth@cygnus.com>
3948 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3950 * sibcall.c (skip_pic_restore): New.
3951 (identify_call_return_value): Use it.
3953 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3955 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3956 functions. Generalize to handle both C and C++.
3957 * Makefile.in (c-tree.info): New target.
3958 (info): Add c-tree.info.
3960 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3962 * expr.c (store_field): If BITSIZE is negative, use size of type.
3963 (expand_expr, case COMPONENT_EXPR): Likewise.
3965 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3967 * cpplex.c: Update TODO comment.
3968 * cpplib.c (do_error, do_warning): Merge common code of
3969 do_error and do_warning into do_diagnostic. Use it.
3970 (do_diagnostic): New function.
3971 * cpplib.h: Fix comment typo.
3973 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3975 * c-common.c (check_format_info): Warn for a wide character string
3976 used as a non-wide format argument.
3978 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3980 * builtins.def (BUILT_IN_LLABS): Add.
3981 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3982 * c-common.c (c_common_nodes_builtins): Create builtin functions
3983 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3984 outside of C99 mode.
3985 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3987 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3989 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3990 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3991 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3992 _cpp_free_toklist): No need to worry about extra dummy token
3993 at the start of token lists any more.
3994 (trigraph_ok): Only warn outside comments.
3995 (skip_block_comment): Set and clear lexing_comment.
3996 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3997 Set and clear lexing_comment.
3998 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3999 (check_long_token): Delete.
4000 (lex_percent, lex_dot): New subroutines of lex_token to
4001 handle lexing of '.' and '%' without lookback.
4002 (lex_token): Use lex_dot and lex_percent.
4003 (lex_line): Don't check for LIST_OFFSET.
4004 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4005 * cpplib.c (_cpp_parse_assertion): Similarly.
4006 (cpp_push_buffer): Initialize extra_char.
4007 * cpplib.h (LIST_OFFSET): Delete.
4008 (struct cpp_buffer): New member extra_char.
4009 (struct lexer_state): New members lexing_comment and seen_dot.
4011 2000-09-23 Jason Merrill <jason@redhat.com>
4013 * config/rs6000/x-aix41 (CLIB): Define here.
4014 * config/rs6000/t-aix43: Not here.
4015 * config/rs6000/t-aix41: Or here. Remove.
4016 * configure.in: Don't use it.
4018 2000-09-22 Jason Merrill <jason@redhat.com>
4020 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4021 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4022 * config.in: Regenerate.
4024 * configure.in: Fix checks for assembler features when using a
4025 one-tree assembler that has not yet been built.
4026 Fix --disable-threads.
4028 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4030 * stmt.c (expand_asm_operands): Allow # in constraints.
4032 2000-09-22 Jason Merrill <jason@redhat.com>
4034 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4036 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4037 function-local names.
4039 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4040 Mark Mitchell <mark@codesourcery.com>
4042 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4043 * flags.h (warn_disabled_optimization): Add it here.
4044 * gcse.c (gcse_main): Add warning when disabled.
4045 * invoke.texi: Document -Wdisabled-optimization.
4047 2000-09-21 Jason Merrill <jason@redhat.com>
4049 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4051 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4052 (gen_variable_die): Call it for non-definitions.
4054 * dwarf2out.c (die_struct): Add die_mark field.
4055 (mark_dies, unmark_dies): New fns.
4056 (clear_die_sizes): Remove.
4057 (print_die): Check die_symbol rather than die_offset.
4058 (build_abbrev_table, output_pubnames, output_aranges): Check
4059 die_mark rather than die_offset.
4060 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4063 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4065 * cppfiles.c (lookup_include_file): Rename to open_file.
4066 Always create a splay tree value, even on syscall failures.
4067 Negative entries indicated by fd == -2.
4068 Re-open files closed in the meantime.
4069 (_cpp_fake_include): Create a negative splay tree entry.
4070 (find_include_file, cpp_read_file): Update for function name
4072 * gcc.gd/cpp/mi4.c: Testcase.
4074 2000-09-21 Nick Clifton <nickc@redhat.com>
4076 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4077 ARM and THUMB modes.
4079 * config/mcore/mcore.c: Fix compile time warnings.
4080 * config/mcore/mcore-protos.h: Fix compile time warnings.
4082 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4084 * configure.in: Correct test of gcc_cv_glibc.
4085 * configure: Rebuilt.
4086 * config.in: Rebuilt.
4088 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4091 (expand_builtin): Handle BUILT_IN_FWRITE.
4093 * builtins.def (BUILT_IN_FWRITE): New entry.
4095 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4097 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4099 * gcc.c (modify_target): New variable and struct.
4100 (process_command): Handle MODIFY_TARGET_NAME.
4101 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4102 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4104 * c-decl.c (finish_decl): Add else's to avoid referencing
4105 TYPE_DOMAIN of an ERROR_MARK.
4107 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4109 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4112 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4114 * config/avr/avr.md (neghi2): Add alternative for input and output
4115 operands in different registers, as in negsi2.
4116 (*negsi2): Remove '*' from the name. Use "movw" if available.
4118 2000-09-19 Jim Wilson <wilson@cygnus.com>
4120 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4121 HAVE_GAS_HIDDEN macro.
4123 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4125 * cpplex.c (lex_line): Drop the EOF token for unknown
4126 directives in assembler.
4128 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4130 * configure.in: Allow enable_threads_flag value of "aix". Define
4131 thread_file as "aix" for AIX 4.3 and above.
4132 * configure: Regenerated.
4134 * gthr-aix.h: New file.
4136 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4137 Remove 403 processor multilib match. Fix rios2 processor multilib
4140 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4141 to return to appropriate csect.
4143 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4145 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4147 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4148 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4151 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4154 * c-common.c (init_function_format_info): Handle __builtin_printf.
4155 Set `check_function_format_ptr'.
4156 (c_common_nodes_and_builtins): Set `puts_ftype' and
4157 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4158 __builtin_printf and printf.
4160 * tree.c, tree.h (check_function_format_ptr): Declare.
4162 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4164 * cppfiles.c (read_include_file): Take no special action for
4167 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4169 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4170 rather than that of branch.
4171 (shorten_branches): Don't increment insn_current_address twice.
4173 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4174 * loop.h (struct induction): Delete members derived, ix and last_use.
4175 (struct loop_ivs): Delete members first_increment_giv and
4177 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4178 recombine_givs): Delete functions.
4179 (find_and_verify_loops): Don't initialize cont_dominator.
4180 (strength_reduce): Lose code to try to find bivs that can be
4181 expressed as givs of another biv, and to convert biv increments
4183 Lose loop_scan_start variable, always use loop->scan_start.
4184 Don't call recombine_givs. Don't handle derived givs.
4185 (record_giv): Don't initialize derived and last_use fields.
4186 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4188 * unroll.c (derived_regs): Delete static variable.
4189 (unroll_loop): Don't initialize it.
4190 (copy_loop_body): Lose code to handle derived givs.
4191 (find_splittable_givs): Don't check for givs made from biv
4193 Don't set derived_regs.
4195 Fix misapplied earlier patch:
4196 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4198 (floatsisf2): Generate floatsisf_ie by default.
4199 (floatsisf_i4): Conditional on TARGET_SH4.
4201 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4202 predicate for the expanders.
4204 2000-09-19 Richard Henderson <rth@cygnus.com>
4206 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4207 in addition to pentium and pentiumpro symbols.
4208 (CPP_CPU_DEFAULT_SPEC): Likewise.
4210 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4213 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4214 if the tree has side effects.
4215 (warn_if_unused_value): Do not warn about void constructs.
4217 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4219 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4220 calling invert_jump.
4222 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4224 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4227 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4229 * Makefile.in (c-common.o): Depend on diagnostic.h.
4231 * c-common.c: Include diagnostic.h.
4233 (status_warning): New function.
4234 (check_format_info, maybe_read_dollar_number, check_format_types,
4235 finish_dollar_format_checking, check_function_format): Accept a
4236 `status' parameter. All callers changed.
4238 * c-common.h (check_function_format): Accept a `status' parameter.
4240 * c-typeck.c: Update call to `check_function_format'.
4242 2000-09-18 Richard Henderson <rth@cygnus.com>
4244 * c-decl.c (c_expand_body): Call mark_varargs before
4245 expand_function_start.
4247 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4249 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4250 * config/rs6000/eabi-ci.asm: Likewise.
4252 2000-09-18 Richard Henderson <rth@cygnus.com>
4254 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4257 2000-09-18 Jim Wilson <wilson@cygnus.com>
4259 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4260 before passing it to fold_rtx_mult_add.
4262 * unroll.c (final_giv_value): Pass increment through
4263 extend_value_for_giv before passing it to emit_iv_add_mult.
4265 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4266 paradoxical subreg, then directly substitute the replacement and
4269 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4271 * cpp.texi: Update documentation, including some clarifications,
4272 the treatment of various newline combinations, and space between
4273 backslash and newline.
4275 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4277 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4278 Replace ASM_OUTPUT_LABELREF with assemble_name.
4280 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4282 * sh.c (addsubcosts): CONST is not cheap.
4283 (find_barrier): For Sh1, take alignment after jumps into account.
4285 2000-09-15 Andrew Haley <aph@redhat.com>
4287 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4288 remove all SETs of SUBREGs of hard registers.
4289 * function.c (purge_hard_subreg_sets): New function.
4290 (purge_single_hard_subreg_set): New function.
4291 * rtl.h: (purge_hard_subreg_sets): New function.
4293 2000-09-18 Richard Henderson <rth@cygnus.com>
4295 * config/ia64/ia64-protos.h: Update.
4296 * config/ia64/ia64.c (signed_inequality_operator): New.
4297 (ia64_expand_compare): New.
4298 (ia64_register_move_cost): Handle PR_REGS moves.
4299 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4300 (struct reg_write_state): Add written_by_and/or.
4301 (struct reg_flags): Add is_and/or.
4302 (rws_update): Set them.
4303 (rws_access_regno): Test them to allow parallel comparisons.
4304 (rtx_needs_barrier): Recognize parallel comparisons.
4305 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4306 Call recog_memoized; ignore pred_rel_mutex.
4307 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4308 (ia64_reorg): Do it here instead.
4309 * config/ia64/ia64.h: s/CCmode/BImode/g
4310 (MODES_TIEABLE_P): Don't tie BImode.
4311 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4312 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4313 (RTX_COSTS): Make multiply 4 insns.
4314 (MEMORY_MOVE_COST): New.
4315 (PREDICATE_CODES): Update.
4316 * config/ia64/ia64.md: s/CCmode/BImode/g
4317 (movcci, movbi): New.
4318 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4319 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4320 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4321 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4322 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4323 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4324 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4325 (mulsi, muldi): Use xmpy not xma.
4327 (movcc, movcc_internal): Remove.
4328 (branch expanders): Use ia64_expand_compare.
4329 (setcc expanders): Likewise.
4330 (cmov insns): Use move_operand and ia64_move_ok.
4331 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4332 scheduler from moving it past a use.
4333 * config/ia64/build.hacks: Remove.
4335 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4337 * cpphash.h (HASHSTEP): Take character rather than pointer
4339 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4341 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4343 * cpplex.c (auto_expand_name_space, trigraph_replace,
4344 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4345 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4346 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4347 KNOWN_DIRECTIVE): Delete.
4349 (handle_newline, check_long_token, skip_escaped_newlines,
4350 unterminated): New functions.
4351 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4353 (parse_identifier): Was parse_name, new implementation.
4354 (skip_line_comment, skip_block_comment, skip_whitespace,
4355 parse_number, parse_string, trigraph_ok, save_comment,
4356 adjust_column, _cpp_get_line): New implementations.
4358 (lex_token): New function. Lexes a token at a time, looking
4359 forwards. Contains most of the guts of the old lex_line.
4360 (lex_line): New implementation, using lex_token to obtain
4362 (cpp_scan_buffer): Use the token's line, not the list's line.
4364 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
4365 New implementations.
4366 (do_assert): Don't bother setting the answer's list's line.
4367 (cpp_push_buffer): Initialise new pfile and read_ahead members
4368 of struct cpp_buffer.
4370 * cpplib.h (cppchar_t): New typedef.
4371 (struct cpp_buffer): read_ahead, pfile and col_adjust are
4373 (struct lexer_state): New structure that determines the state
4374 and behaviour of the lexer.
4375 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
4376 (struct cpp_reader): New member "state". Rename
4377 multiline_string_line and multiline_string_column. Delete
4378 col_adjust, in_lex_line members.
4379 (CPP_BUF_COLUMN): Update.
4381 2000-09-18 Richard Henderson <rth@cygnus.com>
4383 * combine.c (simplify_comparison): Shift a NOT out of a single
4386 * combine.c (if_then_else_cond): Canonicalize BImode true to
4388 * explow.c (trunc_int_for_mode): Likewise.
4390 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
4391 the NOT for De Morgan's rule.
4392 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
4393 of a comparison to the reverse comparison.
4395 * combine.c (try_combine): Allow split to create a single insn.
4397 * machmode.def: Add BImode. Add a column for bitsize.
4398 * machmode.h (DEF_MACHMODE): Adjust for extra column.
4399 (GET_MODE_BITSIZE): Use it.
4400 * rtl.c (DEF_MACHMODE): Adjust for extra column.
4401 (mode_bitsize): New.
4402 (mode_mask_array): Use bitsize.
4403 * combine.c (combine_simplify_rtx): Require inner and outer
4404 modes to match on nonzero_bits optimizations.
4406 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4408 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
4409 its entry in spill_reg_store.
4410 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
4411 * sh.c (reg_no_subreg_operand): New function.
4412 * sh-protos.h (reg_no_subreg_operand): Declare it.
4413 * sh.h (PREDICATE_CODES): Add it.
4414 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
4415 input operand that needs to be in fpul.
4416 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
4417 * sh.c (find_barrier): Take into account that machine_dependent_reorg
4418 might add new insns.
4420 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
4422 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
4424 (sh_expand_epilogue): Take the PIC register into account when
4425 computing the frame size.
4427 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
4428 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
4429 LABEL_REFs with a PIC-safe unspec.
4431 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4433 * c-common.c (check_format_info): Properly save the argument
4434 number and parameter for $ operand number formats in case width
4435 and precision arguments are also used. Allow printf width and
4436 precision arguments to have operand numbers even if none was
4437 specified for the main format, since this is OK for %*.*m. Only
4438 object to missing $ operand number if the format used requires an
4441 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4443 * c-common.c (format_char_info): Add 'W' flag to comment.
4444 (print_char_table, scan_char_table): Use it.
4445 (check_format_info): Use the 'W' flag to determine whether a
4446 format argument is written into.
4448 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4450 * c-common.c (check_format_types): Reorganise and clean up,
4451 checking earlier for ERROR_MARKs and making cur_type into its
4452 TYPE_MAIN_VARIANT where convenient.
4454 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
4458 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4460 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
4462 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
4463 * i386.c (struct builtin_description): New.
4464 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
4465 (mmx_reg_operand): Declare MODE arg as unused.
4466 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
4467 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
4468 ix86_expand_binop_builtin, ix86_expand_store_builtin,
4469 ix86_init_builtins, ix86_expand_builtin): New functions.
4470 * i386.h (ix86_builtins): New enumeration.
4471 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
4472 * i386.md (attr length_immediate): 0 for mmx/sse types.
4473 (attr prefix_0f): 1 for mmx/sse types.
4474 (setcc_2): Remove "*" so we get gen_setcc_2.
4475 (emms): Account for changed register numbering. Set "memory" attr
4477 (sfence): Set "memory" attr to unknown.
4479 2000-09-18 Andreas Jaeger <aj@suse.de>
4481 * configure.in: Define _GNU_SOURCE only when using the GNU C
4483 * configure: Regenerated.
4484 * config.in: Regenerated.
4486 2000-09-17 Mark Mitchell <mark@codesourcery.com>
4488 * cppinit.c (cpp_init): Don't use ANSI prototypes.
4489 * flow.c (flow_dump_loop): Likewise.
4490 (flow_loops_dump): Likewise.
4492 * c-typeck.c (c_start_case): Fix typo.
4494 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4496 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
4497 to int for plain complex which defaults to complex double. Do
4498 warn about defaulting to complex double if pedantic. Warn about
4499 complex integer types if pedantic. Warn about complex types if
4500 pedantic and not in C99 mode.
4501 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
4502 for complex conjugation.
4504 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4506 * contrib.texi: Update my entry.
4508 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
4510 * config/avr/avr.md (mcu_enhanced): New attribute.
4511 (mcu_mega): Likewise.
4512 (extendhisi2): Use mcu_enhanced.
4513 (zero_extendhisi2): Likewise.
4514 (call_insn): Use mcu_enhanced and mcu_mega.
4515 (call_value_insn): Likewise.
4516 (*sbrx_branch): Use mcu_mega.
4517 (*sbrx_and_branchsi): Likewise.
4518 (*sbrx_and_branchhi): Likewise.
4519 (*tablejump_lib): Likewise.
4521 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4523 * alias.c (true_dependence): Allow non-unchanging read to conflict
4524 with unchanging write.
4526 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
4527 (store_constructor): Pass alias_set to it.
4529 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
4530 TYPE_MAIN_VARIANT of ERROR_MARK.
4531 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
4533 * simplify-rtx.c (simplify_unary_operation): Add cases
4534 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
4536 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
4538 * expr.h (emit_library_call, emit_library_call_value): Delete
4540 * rtl.h (enum libcall_type): New.
4541 (emit_library_call, emit_library_call_value): Change fn_type arg to
4542 be of type enum libcall_type.
4543 * calls.c: Likewise for the function definitions. Several callers
4544 throughout changed to use the new enumeration appropriately.
4545 (emit_library_call_value_1): Likewise. Put back code to make libcall
4546 blocks of equal form, but only use it for the two new higher
4549 2000-09-16 Mark Mitchell <mark@codesourcery.com>
4551 Convert the C front-end to use function-at-a-time mode.
4552 * c-common.h: Include splay-tree.h.
4553 (C_DECLARED_LABEL_FLAG): New macro.
4554 (struct language_function): Add x_scope_stmt_stack and
4555 x_function_name_declared_p.
4556 (RECHAIN_STMTS): Move definition.
4557 (lang_statment_code_p): Likewise.
4558 (lang_expand_stmt): Likewise.
4559 (lang_expand_decl_stmt): New variable.
4560 (lang_expand_function_end): Likewise.
4561 (current_scope_stmt_stack): New function.
4562 (add_decl_stmt): Likewise.
4563 (add_scope_stmt): Likewise.
4564 (mark_stmt_tree): Likewise.
4565 (struct c_lang_decl): New structure.
4566 (DECL_SAVED_TREE): Define.
4567 (c_mark_lang_decl): New function.
4568 (c_expand_start_cond): Change prototype.
4569 (c_finish_then): New function.
4570 (c_finish_else): Likewise.
4571 (current_function_name_declared): Remove.
4572 (set_current_function_name_declared): Likewise.
4573 (mark_c_language_function): Declare.
4574 (case_compare): Likewise.
4575 (c_add_case_label): Likewise.
4576 (c_expand_expr): Likewise.
4577 (c_safe_from_p): Likewise.
4578 * c-common.c (lang_expand_function_end): New variable.
4579 (struct if_elt): Add if_stmt.
4580 (c_expand_start_cond): Add the if-statement to the statement-tree,
4581 rather than generating RTL.
4582 (c_finish_then): New function.
4583 (c_expand_start_else): Don't generate RTL.
4584 (c_finish_else): New function.
4585 (c_expand_expr_stmt): Don't generate RTL.
4586 (statement_code_p): Add SCOPE_STMT.
4587 (case_compare): New function.
4588 (c_add_case_label): Likewise.
4589 (mark_stmt_tree): Likewise.
4590 (c_mark_lang_decl): Likewise.
4591 (mark_c_language_function): Likewise.
4592 (c_expand_expr): Likewise.
4593 (c_safe_from_p): Likewise.
4594 * c-decl.c (c_stmt_tree): New variable
4595 (c_scope_stmt_stack): Likewise.
4596 (c_function_name_declared_p): Likewise.
4597 (lang_expand_expr_stmt): Remove.
4598 (poplevel): Don't call output_inline_function for nested
4600 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
4602 (redeclaration_error_message): Change means of computing whether
4603 or not a function is nested.
4604 (lookup_label): Don't call label_rtx.
4605 (init_decl_processing): Add more GC roots.
4606 (start_decl): Add DECL_STMTs to the statement-tree, rather than
4607 calling rest_of_decl_compilation.
4608 (finish_decl): Don't call expand_decl.
4609 (store_parm_decls): Begin the statement-tree, but don't generate
4611 (finish_function): Tie off the statement-tree. Call c_expand_body
4613 (c_expand_body): New function.
4614 (push_c_function_context): Save more information.
4615 (pop_c_function_contxt): Likewise.
4616 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
4617 (lang_mark_tree): Mark it.
4618 (current_stmt_tree): Adjust.
4619 (current_scope_stmt_stack): New function.
4621 (set_current_name_declared): Likewise.
4622 (c_begin_compound_stmt): Define.
4623 (c_expand_decl_stmt): Likewise.
4624 * c-lang.c: Include rtl.h and expr.h.
4625 (lang_init): Set more language-specific hooks.
4626 * c-lex.c: Include expr.h.
4627 * c-parse.in: Changes throughout to add statements to the
4628 statement-tree, rather than generating RTL after every statement.
4629 * c-semantics.c (lang_expand_decl_stmt): Define.
4630 (add_decl_stmt): New function.
4631 (add_scope_stmt): Likewise.
4632 (finish_stmt_tree): Tweak.
4633 (genrtl_expr_stmt): Likewise.
4634 (genrtl_decl_stmt): Handle local labels, and call
4635 lang_expand_decl_stmt if required.
4636 (genrtl_for_stmt): Fix line-number handling.
4637 (genrtl_case_label): Handle cleanups.
4638 (genrtl_asm_stmt): Don't call combine_strings.
4639 (genrtl_compound_stmt): Simplify.
4640 (expand_stmt): Handle SCOPE_STMTs.
4641 * c-tree.h (struct lang_decl): New structure.
4642 (C_DECLARED_LABEL_FLAG): Remove.
4643 (c_begin_compound_stmt): Declare.
4644 (c_expand_decl_stmt): Likewise.
4645 (c_expand_start_case): Rename to c_start_case.
4646 (c_finish_case): New function.
4647 * c-typeck.c (start_init): Tweak setting of
4648 constructor_incremental.
4649 (c_expand_asm_operands): Tweak error-handling. Add to the
4651 (c_expand_return): Add to the statement-tree.
4652 (c_expand_start_case): Rename to ...
4653 (c_start_case): ... this.
4654 (struct c_switch): New type.
4655 (switch_stack): New variable.
4656 (do_case): Simplify.
4657 (c_finish_case): New function.
4658 * dependence.c: Include expr.h.
4659 (enum dependence_type): Change spelling of enumerals.
4660 (check_node_dependence): Adjust.
4661 * expr.h (lang_safe_from_p): Declare.
4662 (safe_from_p): Likewise.
4663 * expr.c (lang_safe_from_p): New variable.
4664 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
4665 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
4666 * toplev.c (rest_of_decl_compilation): Robustify.
4667 * tree.c (contains_placeholder_p): Likewise.
4668 * Makefile.in: Update dependencies.
4669 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
4670 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
4671 (objc_expand_function_end): New function.
4672 (finish_method_def): Use it.
4673 (init_objc): Initialize more language-specific hooks.
4674 * objc/Make-lang.in: Update dependencies.
4676 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
4678 * configure.in: Define macros that affect features before
4679 testing for features. Don't define _XOPEN_SOURCE.
4680 * configure: Regenerated.
4681 * config.in: Regenerated.
4683 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
4685 * rtlanal.c (rtx_varies_p): Volatile asms vary.
4686 (rtx_unstable_p): Restructure code. Volatile asms
4689 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4691 * function.h (no_debugging_symbols): New field.
4692 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
4693 Initialize no_debugging_symbols.
4694 (output_inline_function): Save and restore write_symbols and set from
4695 no_debugging_symbols.
4696 * toplev.c (rest_of_compilation): Call save_for_inline.
4697 * tree.h: Update comment.
4699 * stor-layout.c (place_field): Don't do anything if field or
4700 its type are ERROR_MARK.
4702 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
4704 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
4705 (read_include_file): Ensure inc->mmaped is initialized.
4707 2000-09-16 Richard Henderson <rth@cygnus.com>
4709 * cppiles.c (purge_cache): Use PTR not caddr_t.
4711 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
4713 * gcc.c: In description for %{<S}, say the option removed is -S.
4714 * invoke.texi (Spec Files): Ditto.
4716 2000-09-16 Andreas Jaeger <aj@suse.de>
4718 * configure.in: Always define _GNU_SOURCE to make interfaces
4719 visible that were hidden by only defining _GNU_SOURCE.
4720 * configure: Regenerated.
4722 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
4724 * cpplex.c (push_macro_context): Set an argument's level after
4725 calling parse_args. We could loop infinitely otherwise.
4727 2000-09-15 Tom Tromey <tromey@cygnus.com>
4729 * configure, config.in: Rebuilt.
4730 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
4732 2000-09-15 Greg McGary <greg@mcgary.org>
4734 * cppmacro.c (check_trad_stringification): Check token
4735 text pointers against limit before dereferencing.
4737 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
4739 * c-common.c (format_wanted_type): New structure.
4740 (check_format_types): New function.
4741 (check_format_info): Pass all checking of types of format
4742 arguments, including width and precision arguments, to this new
4745 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4747 * BUGS: Remove file.
4749 2000-09-15 Jakub Jelinek <jakub@redhat.com>
4751 * config/alpha/alpha.c (override_options): ev6 cache latencies
4752 from Richard Henderson. Don't allow -mmemory-latency=L0.
4754 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
4755 (TARGET_OPTIONS): Add tune=.
4756 (alpha_tune_string): Declare.
4757 * config/alpha/alpha.c (override_options): Add cpu_table.
4758 Use alpha_cpu_string first to set both alpha_cpu and target_flags
4759 and then alpha_tune_string to set alpha_cpu only.
4760 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
4761 * config/alpha/elf.h (ASM_FILE_START): Likewise.
4762 * config/alpha/osf.h (ASM_FILE_START): Likewise.
4763 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
4765 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4767 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
4769 (ix86_comparison_operator, ix86_cc_mode): Declare
4770 * i386.h (CCGC, CCGCO): New modes.
4771 (SELECT_CC_MODE): Move offline to ....
4772 * i386.c (ix86_cc_mode): .... here; use new modes.
4773 (ix86_comparison_operator): New.
4774 (fcmov_comparison_operator): Ensure proper mode.
4775 (put_condition_mode): More sanity checking.
4776 (ix86_match_ccmode): Handle new modes.
4777 (ix86_expand_fp_compare): GEU requires CCmode.
4778 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
4780 * i386.md (cmp?i_ccz_1): Remove
4781 (cmp?i_ccno_1): Use ix86_match_ccmode.
4782 (cmp?i_minus_1): New.
4783 (cmpsi_1): New expander.
4784 (cmpqi_ext_1): Use match_ccmode
4785 (cmpqi_ext_3): New expander.
4786 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
4787 (cmpqi_ext_4): Use match_ccmode.
4788 (add?i_?): Use match_ccmode.
4790 (test?i_ccz_1): Remove
4792 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
4793 (testqi_ext_0): Use ix86_match_ccmode.
4794 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
4795 (xorqi_cc_ext_1): New expander.
4796 (shift patterns): Use CCGOCmode for all shifts except for sar.
4797 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
4798 (setcc_3, jcc_3, miv?icc_c): Remove.
4800 2000-09-15 Will Cohen <wcohen@redhat.com>
4802 * dwarf2out.c (add_const_value_attribute): Changed array into a
4803 xmalloced object, so it exists after function exit.
4804 (free_AT): Added case for dw_val_class_float to free allocated
4807 2000-09-15 Kazu Hirata <kazu@hxi.com>
4809 * config/i386/i386.md: Fix a comment typo.
4810 * gcc.c: Fix formatting.
4812 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4814 * optabs.c (emit_libcall_block): If target is a user variable,
4815 copy to a temporary first.
4816 * expr.c (convert_move): When generating a libcall, make a libcall
4818 * calls.c (emit_library_call_value_1): Don't create a libcall
4819 sequence here; our caller will in most cases do it.
4821 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
4823 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
4824 * sh.md (reload_outsf): Generate recognizable patterns for
4826 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
4827 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
4828 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
4829 truncdfsf2_i4): Change not to use explicit references to fpul.
4830 (floatsisf2_ie): Remove USE of fpscr.
4831 (floatsisf2): Change default expansion to match this.
4832 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
4835 2000-09-15 Richard Henderson <rth@cygnus.com>
4837 * expmed.c (store_bit_field): Consider naturally aligned
4838 memory for direct reference.
4840 2000-09-15 Richard Henderson <rth@cygnus.com>
4842 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
4843 AND addresses into alias set 0.
4844 (alpha_expand_unaligned_store): Likewise.
4845 (alpha_expand_unaligned_load_words): Likewise.
4846 (alpha_expand_unaligned_store_words): Likewise.
4848 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4850 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
4851 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
4853 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
4854 rsize of UNITS_PER_WORD.
4856 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
4858 * cpplex.c (ON_REST_ARG): Correct the test.
4859 (maybe_paste_with_next): Duplicate a token that fail pasting,
4860 and clear its PASTE_LEFT flag, so that nested pasting attempts
4863 2000-09-14 Richard Henderson <rth@cygnus.com>
4865 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
4866 * cse.c (rtx_cost): Likewise.
4867 * optabls.c (expand_binop): Likewise.
4868 (expand_twoval_binop, prepare_cmp_insn): Likewise.
4869 * regclass.c (copy_cost): Likewise.
4870 * reload1.c (reload_cse_move2add): Likewise.
4872 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
4874 * c-parse.in (reswords): Add _Complex.
4876 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4878 * gcc.1: Delete documentation for -undef preprocessor option.
4880 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
4882 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4883 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
4884 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4885 Remove undefine before config/elfos.h.
4886 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4888 2000-09-14 Kazu Hirata <kazu@hxi.com>
4890 * invoke.texi (H8/300 Options): Add -ms2600.
4891 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4892 is used without -ms.
4893 * config/h8300.h (TARGET_MAC): New.
4894 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4895 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4896 machine other than H8/S2600.
4897 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4900 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4902 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4903 pseudos that refer to the original pseudos, not only to their
4904 equivalent memory locations.
4906 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4908 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4909 when making new MEM.
4911 * Makefile.in (LN): Remove duplicate definition.
4913 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4915 From Joern Rennecke:
4916 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4917 on an insn and function_invariant_p returns nonzero for the source,
4918 add a REG_EQUAL note.
4920 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4922 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4923 conflict with frame_pointer_rtx.
4925 2000-09-13 Kazu Hirata <kazu@hxi.com>
4927 * loop.c: Fix formatting.
4930 2000-09-13 Richard Henderson <rth@cygnus.com>
4932 * config/ia64/ia64.md (divsf3): New.
4933 (divsf3_internal_lat, divsf3_internal_thr): New.
4934 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4935 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4936 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4937 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4938 (nmadddf4_alts, nmadddf4_trunc): New.
4939 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4940 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4941 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4942 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4943 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4944 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4945 (nmaddtf4_truncdf_alts): New.
4946 (recip_approx): Don't predicate.
4948 2000-09-13 Richard Henderson <rth@cygnus.com>
4950 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4952 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4954 * flags.h (flag_dump_rtl_in_asm): Declare.
4955 * toplev.c (flag_dump_rtl_in_asm): Define.
4956 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4957 if -dP is specified.
4958 * rtl.h (print_rtx_head): Declare.
4959 * print-rtl.c (print_rtx_head): Define.
4960 (print_rtx): Print the string pointed to by print_rtx_head
4961 at beginning of each dump line.
4962 (print_rtl): Likewise.
4963 (print_rtl_single): Likewise.
4964 * final.c (final_scan_insn): Dump the insn in the assembly
4966 * gcc.1: Document -dP option.
4967 * invoke.texi (Debugging Options): Likewise.
4969 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4971 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4972 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4973 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4975 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4977 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4978 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4979 (*clrstrqi): Likewise.
4980 (xorhi3,xorsi3,absqi2): Likewise.
4981 (one_cmplhi2,one_cmplsi2): Likewise.
4982 (addsi3): Two stupid constraint alternatives removed.
4983 (extendhisi2): Use `movw' for enhanced avr cores.
4984 (zero_extendhisi2): Likewise.
4986 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4988 * alias.c (find_base_term): Use frame_pointer_rtx
4989 when handling an ADDRESSOF.
4991 * cse.c (canon_hash): Handle USE of BLKmode memory.
4992 (cse_insn): Outgoing arguments for a libcall don't
4993 affect any recorded expressions.
4995 2000-09-12 Tom Tromey <tromey@cygnus.com>
4997 * configure, config.in: Rebuilt.
4998 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5000 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5002 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5003 * expr.c (expand_expr): Don't optimize constant array references
5004 initialized with wide string constants.
5006 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5008 * loop.c (note_set_pseudo_multiple_uses): Correct.
5010 2000-09-12 Jim Wilson <wilson@cygnus.com>
5012 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5013 else block, and X has side-effects, then fail.
5015 2000-09-12 Greg McGary <greg@mcgary.org>
5017 * config/mips/mips-protos.h
5018 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5019 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5020 (PREDICATE_CODES): Add "trap_cmp_op".
5021 * config/mips/mips.c
5022 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5023 * config/mips/mips.md (trap, conditional_trap): New patterns.
5025 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5027 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5030 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5032 * builtins.c (built_in_decls): New array.
5033 (expand_builtin_fputs): New function.
5034 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5036 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5038 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5040 * tree.h (built_in_decls): New array.
5042 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5044 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5046 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5048 2000-09-12 Kazu Hirata <kazu@hxi.com>
5050 * haifa-sched.c: Fix formatting.
5052 * genattrtab.c: Fix formatting.
5054 * unroll.c: Fix formatting.
5056 2000-09-12 Bruce Korb <bkorb@gnu.org>
5058 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5059 remove obsolete code
5060 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5061 * fixinc/fixincl.tpl: make non-exported arrays static scope
5062 * fixinc/fixincl.x: regenerate
5063 * fixinc/fixlib.h: Use PARAMS, not _P_
5064 * fixinc/fixtests.c: make a type for the test proc & use it
5065 * fixinc/server.h: Use PARAMS, not _P_
5067 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5069 * c-typeck.c (process_init_element): Avoid union init warnings on
5070 floating point zero. Don't crash on unions containing structs.
5072 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5074 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5075 general_movsrc_operand, and remove CONST_INT from
5076 general_movdst_operand.
5078 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5080 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5081 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5082 regs with a higher cost.
5083 (preferrable): Deal with cases where either cost or regcost is
5085 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5087 (COSTS_N_INSNS): Move definition...
5089 (MAX_COST): New macro.
5090 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5093 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5095 * c-common.h (genrtl_clear_out_block): Remove.
5096 * c-semantics.c (genrtl_clear_out_block): Remove.
5097 (genrtl_while_stmt): Don't call it.
5098 (genrtl_for_stmt): Likewise.
5100 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5102 * cppfiles.c: Move all default-#defines to top of file.
5103 (open_include_file): Replace by lookup_include_file.
5104 (read_with_read, read_file): Merged into read_include_file.
5105 (stack_include_file, purge_cache): New functions.
5106 (close_cached_fd): Delete.
5107 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5108 Cache the in-memory buffer, not the file descriptor.
5110 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5112 (xcnew): New utility macro.
5113 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5114 * cpplib.h (struct cpp_buffer): Remove mapped field.
5116 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5118 * cpplex.c (parse_string): Accept backslash space newline as a
5120 (lex_line): Likewise.
5121 (_cpp_get_token): Remove hard limit on macro nesting.
5123 2000-09-12 Philipp Thomas <pthomas@suse.de>
5125 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5126 * configure: Rebuilt.
5128 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5130 * flow.c (split_block): Fix update of registers live at
5133 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5135 * i386.md (add?i_3, add?i_5): New.
5136 (add?i_4): Rename from add?i_3; Fix compare pattern.
5137 (sub?i_3, xor?i_3, ior?i_3): New.
5139 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5140 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5141 instead of extract_insn and extract_constrain_insn_cache instead of
5142 extract_insn and constrain_operands.
5143 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5145 (extract_insn): Clear which_alternative.
5146 (constrain_operands): Set which_alternative to -1 when failed.
5147 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5150 2000-09-11 Matthew Hiller <hiller@redhat.com>
5152 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5153 on operand 0 to '+'.
5154 (movstricthi): Likewise.
5156 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5158 * loop.h (LOOP_IVS): New macro.
5159 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5160 (struct loop_ivs): New.
5161 (struct loop_info): Add ivs field.
5162 (reg_iv_type, reg_iv_info): Delete prototype.
5163 (reg_biv_class, loop_iv_list): Likewise.
5164 * loop.c (record_biv, find_life_end): Pass loop argument.
5165 (reg_iv_type): Remove global array and use
5166 field in loop_regs structure within loop_ivs structure.
5167 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5168 (first_increment_giv, last_increment_giv): Use entry in
5170 (record_initial): Pass ivs pointer.
5171 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5173 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5175 * loop.h (LOOP_REGS): New macro.
5176 (struct loop_regs): New.
5177 (struct loop_info): Add regs field.
5178 * loop.c (set_in_loop): Remove global array and store
5179 in loop_regs structure as part of loop_info structure.
5180 (n_times_set, may_not_optimize): Likewise.
5181 (reg_single_usage, moved_once): Likewise.
5182 (count_one_set): Add regs argument.
5183 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5184 (set_pseudo_multiple_uses): Pass regs pointer.
5186 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5188 * unroll.c (iteration_info): Subsume into loop_iterations.
5189 * loop.h (loop_info): New field iv.
5191 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5193 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5194 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5195 (flow_loops_update): New prototype.
5196 (flow_loops_find): Add flags to prototype.
5197 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5198 * flow.c (flow_loop_pre_header_scan): New.
5199 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5200 (flow_loop_free): Free pre-header root and trace and exit dominators.
5201 (flow_loops_find): New argument flags.
5202 (flow_loops_update): New function.
5203 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5205 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5207 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5208 * flow.c (split_block, update_bb_for_insn): New functions.
5210 2000-09-11 Richard Henderson <rth@cygnus.com>
5212 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5214 2000-09-11 Richard Henderson <rth@cygnus.com>
5216 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5217 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5218 (ia64_override_options): Prevent optimizing division for both
5219 latency and throughput.
5220 (rtx_needs_barrier): Handle frcpa.
5221 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5222 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5223 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5224 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5225 -minline-divide-max-throughput.
5226 (PREDICATE_CODES): Update.
5227 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5228 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5229 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5230 (extendsftf2): Likewise.
5231 (extenddftf2): Likewise.
5232 (fix_trunctfdi2_alts): New.
5233 (fixuns_trunctfdi2_alts): New.
5234 (madd*4): Rename from madd*3.
5235 (divsi3, modsi3, udivsi3, umodsi3): New.
5236 (divsi3_internal): New.
5237 (divdi3, moddi3, udivdi3, umoddi3): New.
5238 (divdi3_internal_lat, divdi3_internal_thr): New.
5239 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5240 (recip_approx): New.
5242 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5244 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5245 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5247 * integrate.c (copy_rtx_and_substitute): Don't share
5248 LEAF_REG_REMAPpable registers with the inlined function. Don't
5249 share the function value with calling sequences.
5251 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5253 * c-decl.c (do_case): Fix a typo.
5255 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5256 to a if the comparison is floating mode and not -ffast-math.
5257 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5259 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5261 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5262 gen_ic_invalidate_line.
5264 2000-09-11 Philip Blundell <pb@futuretv.com>
5266 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5268 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5270 * install.texi (LANGUAGES): Update to include new languages.
5273 2000-09-11 DJ Delorie <dj@redhat.com>
5275 * gcc.c (main): Don't warn about unused -B prefixes
5276 (unused_prefix_warnings): remove
5278 2000-09-11 Kazu Hirata <kazu@hxi.com>
5280 * final.c: Fix formatting.
5282 * integrate.c: Fix formatting.
5284 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5286 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5288 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5290 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5292 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5294 * gcc.1: Document 68hc11 specific options.
5296 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5298 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5299 (TARGET_LONG_DOUBLE_128): Define.
5300 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5301 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5302 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5304 of __LONG_DOUBLE_128__.
5305 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5307 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5308 (CPP_SYSV_DEFAULT_SPEC): Define.
5309 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5310 (INIT_TARGET_OPTABS): Define.
5312 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5313 (RS6000_UITRUNC): Likewise.
5314 (INIT_TARGET_OPTABS): New macro.
5315 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5316 (trunc_defined): Delete.
5317 (output_prolog): Don't output .extern definitions for fp->int
5318 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5319 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5320 (trunc_defined): Delete.
5321 (RS6000_ITRUNC): Moved to aix.h.
5322 (RS6000_UITRUNC): Likewise.
5323 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5324 only emit a libcall.
5325 (fixuns_truncdfsi2): Delete.
5326 (trunc_call): Delete.
5327 (trunc_call_rtl): Delete.
5329 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5331 * varasm.c (make_decl_rtl): Restore leading star on
5332 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5334 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5336 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5337 won't give a spurious error for '#pragma pack()'. Simplify
5338 control flow for readability. 'reset' action is not necessary.
5340 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5342 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5343 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5344 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5345 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5347 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5348 profile.c, sdbout.c, tradcif.y, tree.c:
5349 Include defaults.h if not already included.
5350 Don't define the above macros.
5352 * Makefile.in: Update dependencies.
5354 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5356 * c-common.h (add_stmt): Change prototype.
5357 (RECHAIN_STMTS): New macro.
5358 (CASE_LABEL_DECL): Likewise.
5359 (genrtl_case_label): Change prototype.
5360 (c_expand_start_case): Remove prototype.
5361 (build_case_label): Change prototype.
5362 (decl_constant_value): Declare.
5363 * c-common.c (check_case_value): Handle C++'s extensions to C
5365 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
5367 * c-parse.in (stmt): Adjust handling of return statements and case
5369 * c-semantics.c (add_stmt): Return the new statement.
5370 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
5371 returned expression. Directly generate RTL, rather than calling
5373 (genrtl_switch_stmt): Don't call c_expand_start_case.
5374 (build_case_label): Take the LABEL_DECL as input, too.
5375 (genrtl_case_label): Just call add_case_node.
5376 (expand_stmt): Adjust calls to genrtl_return_stmt and
5378 * c-tree.h (c_expand_start_case): Declare.
5379 * c-typeck.c (decl_constant_value): Give it external linkage.
5380 (c_expand_return): Don't call expand_return or expand_null_return;
5381 use genrtl_return_stmt instead.
5382 * stmt.c (struct nesting): Remove num_ranges field.
5383 (add_case_node): Give it external linkage.
5384 (expand_start_case): Don't set num_ranges.
5385 (expand_start_case_dummy): Don't clear it.
5386 (pushcase): Rely on add_case_node to handle `default' labels.
5387 (add_case_node): Handle `default' labels.
5388 * tree.c (tree_int_cst_compare): New function.
5389 * tree.h (tree_int_cst_compare): Declare.
5390 (add_case_node): Likewise.
5392 2000-09-10 Richard Henderson <rth@cygnus.com>
5394 * c-parse.in: Revert last change.
5395 (init_reswords): Do not enter disabled keywords into the ridpointers
5396 table, modulo objc weirdness.
5397 (_yylex): Return the canonical spelling for a keyword.
5399 2000-09-10 Philip Blundell <philb@gnu.org>
5401 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
5402 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
5404 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
5406 * alias.c (find_base_term): Handle ADDRESSOF.
5407 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
5409 2000-09-10 Denis Chertykov <denisc@overta.ru>
5411 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
5412 outputting templates with many lines.
5414 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5416 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
5417 to decide whether 64-bit support must be generated.
5419 2000-09-10 Richard Henderson <rth@cygnus.com>
5421 * c-parse.in (asm patterns): Fix volatile check.
5423 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * cppmacro.c (check_trad_stringification): New function.
5426 (save_expansion): If -Wtraditional, warn about stringification of
5429 2000-09-11 Michael Hayes <mhayes@cygnus.com>
5431 * loop.h (struct loop_mem_info): Move from loop.c
5432 (struct loop_info): Add fields store_mems, mems, mems_idx,
5433 mems_allocated, unknown_address_altered,
5434 unknown_constant_address_altered, num_mem_sets, and
5435 first_loop_store_insn.
5437 * loop.c (loop_store_mems): Replace with field in loop_info struct.
5438 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
5439 (unknown_address_altered, unknown_constant_address_altered): Likewise.
5440 (num_mem_sets): Likewise.
5441 (replace_loop_mems, replace_loop_regs): New.
5442 (struct loop_replace_args): New.
5443 (load_mems): Use replace_loop_mems.
5444 (try_copy_prop): Use replace_loop_regs.
5445 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
5447 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5449 * configure.in: Recognize m6811-elf and m6812-elf.
5450 * configure: Regenerate.
5452 2000-09-09 Geoff Keating <geoffk@cygnus.com>
5454 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
5457 2000-09-10 Michael Hayes <mhayes@cygnus.com>
5459 * loop.c (struct movables): New.
5460 (num_movables): Move into struct movables.
5461 (the_movables): Change type to struct movables.
5462 (ignore_some_movables): Change struct movable arg to struct movables.
5463 (force_movables, combine_movables, regs_match_p): Likewise.
5464 (rtx_equal_for_loop_p, move_movables): Likewise.
5465 (scan_loop): Change movables to be of type struct movables.
5466 Replace last_movable with field in movables structure.
5468 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
5470 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
5471 (init_pragma): Avoid warning if pfile happens to be unused.
5472 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
5473 define init_pragma to nothing. Always prototype
5474 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
5476 * c-lex.c (process_directive): Always call dispatch_pragma.
5477 Initialize entering_c_header to 0.
5479 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5481 * config/m68hc11/m68hc11.md: New file, machine description for
5483 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
5484 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
5485 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
5486 * config/m68hc11/m68hc11-protos.h: New file.
5487 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
5488 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
5489 * config/m68hc11/xm-m68hc11.h: New file, target defs.
5490 * config/m68hc11/larith.asm: New file, libgcc routines.
5492 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5494 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
5495 (FPBIT_FUNCS): Add _usi_to_sf.
5496 * config/fp-bit.c (usi_to_float): New function.
5497 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
5498 (usi_to_float): Add appropriate #define.
5500 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5502 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
5504 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
5505 * i386.md (attr "type"): Add sse and mmx types.
5506 (attr "memory"): Handle them without a crash.
5507 (movsi_1, movdi_2): Allow MMX regs.
5508 (movdi splits): Don't split moves involving MMX regs.
5509 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
5510 (movv4sf_internal, movv4si_internal, movv8qi_internal,
5511 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
5512 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
5513 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
5514 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
5515 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
5516 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
5517 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
5518 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
5519 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
5520 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5521 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5522 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
5523 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
5524 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5525 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5526 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
5527 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
5528 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
5529 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
5530 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
5531 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5532 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5533 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
5534 mmx_clrdi): New patterns.
5536 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
5538 * arm.c: Don't include tm.h directly.
5540 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
5542 * recog.c (validate_replace_rtx_1): Fix confusion about equality
5543 testing; simplify subregs of constants and nested subregs.
5545 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
5547 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
5549 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5551 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
5553 * rtl.texi (description of USE): Add note about possible pitfalls
5555 From Richard Henderson:
5556 * reload1.c (choose_reload_regs): Compute need_mode properly.
5558 2000-09-07 Richard Henderson <rth@cygnus.com>
5560 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
5561 (__modsi3, __umodsi3): Likewise.
5562 (__udivsi3): Likewise. Normalize the TFmode values.
5564 2000-09-07 Geoff Keating <geoffk@cygnus.com>
5566 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
5568 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
5571 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5573 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
5574 (cmpeqdi_t): Add output pattern.
5575 (cmpeqdi_t+1): Don't split when not optimizing.
5576 Restore proper splitting operation.
5578 2000-09-07 Richard Henderson <rth@cygnus.com>
5580 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
5581 do not call dispatch_pragma.
5583 2000-09-07 Jim Wilson <wilson@cygnus.com>
5585 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
5586 to CLASS_CANNOT_CHANGE_MODE.
5587 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
5588 mode classes are different.
5590 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5592 * cpplib.h (struct cpp_options): Add user_label_prefix member,
5593 left out of commit which removed cppulp.c.
5595 2000-09-07 Richard Henderson <rth@cygnus.com>
5597 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
5598 after switch for CASE_DROPS_THROUGH.
5600 2000-09-07 Richard Henderson <rth@cygnus.com>
5602 * loop.c (strength_reduce): Call check_ext_dependant_givs.
5603 Properly extend the biv initial value for the giv.
5604 (record_biv): Zero ext_dependant.
5605 (record_giv): New argument ext_val. Update all callers.
5606 (general_induction_var): Likewise.
5607 (consec_sets_giv): Likewise.
5608 (simplify_giv_expr): Likewise. Fill in ext_val if we find
5609 a sign-extend, zero-extend, or truncate.
5610 (combine_givs_p): Make sure modes are compatible.
5611 (check_ext_dependant_givs): New.
5612 (extend_value_for_giv): New.
5613 * loop.h (struct induction): Add ext_dependant.
5614 * unroll.c (iteration_info): Extend the biv initial value for the giv.
5615 (find_splittable_givs): Likewise.
5616 (final_giv_value): Likewise.
5618 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5620 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
5621 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
5622 definitions from cpplib.h.
5623 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
5625 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
5626 documentation for REGISTER_TARGET_PRAGMAS.
5628 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
5629 default-pragma callback to implement -Wunknown-pragmas if
5631 * c-parse.in: Move all includes to top of file.
5632 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
5634 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
5636 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
5638 * arm.h, arm-protos.h, arm.c,
5639 c4x.h, c4x-protos.h, c4x.c,
5640 h8300.h, h8300-protos.h, h8300.c,
5641 i370.h, i370-protos.h, i370.c,
5642 i960.h, i960-protos.h, i960.c,
5643 sh.h, sh-protos.h, sh.c,
5644 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
5645 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
5647 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
5648 multiple include guard.
5649 * i370.md (untyped_call): Use GEN_CALL.
5650 (umodsi3): Remove unused variable.
5651 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
5652 * v850.c (output_move_single, output_move_double): Constify
5654 (print_operand): Constify a char *.
5655 * v850.h (struct small_memory_info): Constify name member.
5657 2000-09-07 Kazu Hirata <kazu@hxi.com>
5659 * config/h8300.h: Fix comment typos.
5660 * config/h8300/h8300.md: Likewise.
5661 * config/h8300/lib1funcs.asm: Likewise.
5663 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
5665 * Makefile.in: Remove references to cppulp.{c,o}.
5666 * cppinit.c (initialize_builtins, cpp_start_read,
5667 cpp_handle_option): Update to use cpp_options structure.
5670 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
5672 * c-common.c (time_char_table): Allow %#b and %#h.
5674 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5676 * reorg.c (find_end_label): If the basic block reorder pass moves the
5677 return insn to some other place try to locate it again and put our
5678 end_of_function_label there.
5679 * reorg.c (relax_delay_slots): Check if find_end_label created a
5680 new label that invalidates the current optimazation.
5682 2000-09-07 Catherine Moore <clm@redhat.com>
5684 * unroll.c (unroll_loop): Check for unconditional jumps
5685 to loop continuation. Delete if n_iterations is 1.
5686 (ujump_to_loop_cont): New routine.
5688 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
5690 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
5692 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
5693 to handle multiword modes correctly. All callers and the declaration
5696 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5698 * c-common.h (prep_stmt): Declare.
5699 (lang_expand_stmt): Likewise.
5700 * c-decl.c (lang_expand_stmt): Remove.
5701 * c-semantics.c (lang_expand_stmt): Define.
5702 (prep_stmt): New function.
5703 (expand_stmt): Handle common statement types here.
5705 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
5707 * configure.in (sh-*-linux*): Added.
5708 * configure: Rebuilt.
5709 * config/sh/t-linux: New file.
5710 * config/sh/sh.h (USERMODE_BIT): Define.
5711 (TARGET_USERMODE): Likewise.
5712 (TARGET_SWITCHES): New switches for the bits above.
5713 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
5714 * config/sh/linux.h: New file.
5715 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
5716 underscore on linux.
5717 (L_sdivsi3, L_udivsi3): Define for linux.
5718 (L_ic_invalidate): Define.
5719 * invoke.texi (SH Options): Document -musermode.
5721 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
5723 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
5724 CSE unless generating PIC.
5726 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
5729 2000-09-06 H.J. Lu (hjl@gnu.org)
5731 * Makefile.in (clean_s1): Depend on stage_b.
5732 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
5733 stage2. They are used for "make compare".
5735 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5737 Move statement-tree facilities from C++ to C front-end.
5738 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
5739 (void_zero_node): New macro.
5740 (struct stmt_tree_s): New type.
5741 (stmt_tree): New typedef.
5742 (struct language_function): New type.
5743 (last_tree): New macro.
5744 (last_expr_type): Likewise.
5745 (walk_tree_fn): New typedef.
5746 (current_stmt_tree): New function.
5747 (begin_stmt_tree): Likewise.
5748 (add_stmt): Likewise.
5749 (finish_stmt_tree): Likewise.
5750 (statement_code_p): Likewise.
5751 (lang_statement_code_p): New variable.
5752 (walk_stmt_tree): New function.
5753 (STMT_IS_FULL_EXPR_P): New macro.
5754 * c-common.c (lang_statement_code_p): New variable.
5755 (c_common_nodes_and_builtins): Initialize void_zero_node.
5756 (statement_code_p): New function.
5757 (walk_stmt_tree): Likewise.
5758 * c-decl.c (language_function): Rename to ...
5759 (c_language_function): ... this. Include language_function.
5760 (push_c_function_context): Adjust accordingly.
5761 (pop_c_function_context): Likewise.
5762 (mark_c_function_context): Likewise.
5763 (current_stmt_tree): Define.
5764 * c-semantics.c (begin_stmt_tree): New function.
5765 (add_stmt): Likewise.
5766 (prune_unused_decls): Likewise.
5767 (finish_stmt_tree): Likewise.
5769 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5771 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
5773 2000-09-06 Kazu Hirata <kazu@hxi.com>
5775 * calls.c: Fix formatting.
5777 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
5779 * config/i386/i386.h (ADDRESS_COST): Fix typo.
5781 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5783 Integrated preprocessor.
5785 * Makefile.in: Remove all references to c-parse.gperf,
5786 c-gperf.h, and c-parse.h. Remove -d from yacc command line
5787 generating c-parse.c. Update dependencies.
5788 * c-parse.gperf, c-gperf.h: Delete.
5790 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
5791 yy_lim, or yy_get_token. Don't define get_directive_line if
5793 * c-common.h: Add multiple include guard. Define RID values
5794 for every keyword in C, C++, and Objective C. Put all the
5796 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
5797 * c-decl.c (c_decode_option): Handle -lang-objc here.
5798 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
5799 (grokdeclarator): Adjust for new RID scheme.
5800 (extract_interface_info): New stub.
5801 * c-lang.c: Don't declare yy_cur or parse_options.
5802 (lang_init_options): Call cpp_init. Don't call
5804 (lang_init): Don't call check_newline if USE_CPPLIB.
5806 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
5807 Elide lots of unnecessary code if USE_CPPLIB. Delete code
5808 rendered unnecessary by new architecture. Move routines not
5809 shared with C++ to c-parse.in. Maintain a local idea of the
5810 line number. Handle C++ as well as C.
5811 [USE_CPPLIB]: Declare and register callbacks for #ident and
5812 for entering/leaving files.
5813 (init_c_lex, c_lex): Are now the entry points to this file.
5814 (check_newline): Break out directive handling to
5816 (read_ucs, is_extended_char, utf8_extend_token): Moved here
5818 (readescape, parse_float): Overhaul.
5819 (lex_number, lex_string, lex_charconst): Break out of c_lex
5821 (get_fileinfo, update_header_times, dump_one_header,
5822 dump_time_statistics): New and/or moved here from C++.
5823 Support per-file data needed by C++ and per-header timing
5824 statistics (C++ only, at the moment).
5825 * c-lex.h: Update prototypes. Add multiple include guard.
5826 * c-tree.h (struct lang_identifier): Add rid_code field.
5827 (C_IS_RESERVED_WORD, C_RID_CODE): New.
5829 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
5830 reinit_parse_for_function and/or position_after_white_space.
5831 (save_filename, save_lineno): Look ahead before saving.
5832 (label -> identifier ':'): Save file and line before shifting ':'.
5833 (reservedwords): No need to call get_identifier.
5834 (init_parse, finish_parse, yyerror, yylex, yyprint,
5835 make_pointer_declarator): Are now here for C/ObjC.
5836 (rid_to_yy): Conversion table from RID constants to Yacc codes.
5838 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
5839 #pragma registry. Provide dummy implementation of that
5840 interface if !USE_CPPLIB.
5841 * c-pragma.h: Update to match.
5843 * flags.h: Add multiple include guard.
5844 (flag_detailed_statistics): Moved here from C++.
5845 * toplev.c: Define flag_detailed_statistics.
5847 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
5849 * timevar.def (TV_CPP, TV_LEX): New.
5850 * timevar.h: Add multiple include guard.
5852 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
5854 * objc/objc-act.c: Don't mention yy_cur or parse_options.
5855 Initialize cpplib properly. Force lineno to 0 after first
5856 call to check_newline. Don't handle -lang-objc here.
5857 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
5859 2000-09-06 David Edelsohn <edelsohn@gnu.org>
5861 * rs6000.md: Correct function unit definitions for cr_logical and
5863 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
5864 and use portable method for >=0 and floating point >=. Remove
5865 associated matchers.
5867 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5869 * extend.texi: Mark named return value extension as deprecated.
5871 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5873 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
5876 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
5878 * toplev.c (display_help): Fix thinko in documentation.
5880 * diagnostic.h (output_buffer::indent_skip): New fields.
5881 (output_indentation): New macro.
5883 * diagnostic.c (output_indent): New function.
5884 (output_set_prefix, clear_diagnostic_info): Use.
5885 (output_emit_prefix): Predict future indentation.
5887 2000-09-06 DJ Delorie <dj@redhat.com>
5889 * Makefile.in (stage_*): add more dependencies to ensure parallel
5890 builds build correctly
5892 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5894 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5895 not bootstrap-lean_f.
5897 2000-09-06 Andreas Schwab <schwab@suse.de>
5899 * mklibgcc.in: Emit rule for libgcc-stage-start.
5900 * Makefile.in (stage1-start, stage2-start, stage3-start,
5901 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5903 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5905 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5906 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5907 (combine_regs): Likewise.
5909 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5910 * cse.c: Include "basic-block.h".
5911 (struct table_elt): New field REGCOST.
5912 (CHEAP_REG): Delete macro.
5913 (COST): Return 0 for REGs.
5914 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5915 (notreg_cost): Return 0 for appropriate SUBREGs.
5916 (COSTS_N_INSNS): Return N * 2.
5917 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5919 (CHEAPER): Use new function preferrable.
5920 (insert): Initialize REGCOST member.
5921 (find_best_addr): Use approx_reg_cost for estimation of register
5923 (cse_insn): Likewise.
5924 * loop.c (iv_add_mult_cost): New function.
5925 (add_cost, shift_cost, mult_cost): Delete variables.
5926 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5927 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5928 Make code that detects autoinc opportunities slightly less optimistic.
5929 (simplify_giv_expr): If expression contains other reg that is also a
5930 giv, only increment benefit if this is the only use of that reg.
5931 (consec_sets_giv): Take that change into account.
5932 (combine_givs): Slightly more verbose output.
5934 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5935 not the cost of an equivalent shift.
5936 * sh-protos.h (addsubcosts): Declare.
5937 * sh.c (addsubcosts): New function.
5938 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5939 (RTX_COSTS): Tweak. Use addsubcosts.
5940 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5942 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5944 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5945 (branch_comparison_operator): Call validate_condition_mode to
5946 abort rather than returning 0.
5947 (branch_positive_comparison_operator): New function.
5948 (scc_comparison_operator): Call validate_condition_mode to abort
5949 rather than returning 0.
5950 (ccr_bit): Call validate_condition_mode. Update for
5952 (print_operand): Delete %C modifier. Update %E case
5953 to use EQ bit not SO bit.
5954 (rs6000_reverse_condition): New function.
5955 (rs6000_generate_compare): New function.
5956 (rs6000_emit_sCOND): New function.
5957 (rs6000_emit_cbranch): New function.
5958 (output_cbranch): The length of a long branch insn is
5959 now only 8 bytes. Add validate_condition_mode. Use
5960 rs6000_reverse_condition. Remove cror generation.
5962 * config/rs6000/rs6000.h: Update comments.
5963 (PREDICATE_CODES): Add new predicate. Update codes used
5964 by branch_comparison_operator and scc_comparison_operator.
5965 * config/rs6000/rs6000-protos.h: Add prototypes for
5966 new external functions.
5967 * config/rs6000/rs6000.md: Add new scheduling parameters
5968 for cr_logical instructions. Change length of branch
5970 (bCOND patterns): Call rs6000_emit_cbranch.
5971 (sCOND patterns): Call rs6000_emit_sCOND.
5972 (branch patterns): Change lengths to 4.
5973 (cr logical patterns): New.
5975 2000-09-06 Richard Henderson <rth@cygnus.com>
5977 * config/i386/i386.md (call_pop): Fix test for setting
5978 current_function_uses_pic_offset_table.
5979 (call, call_value_pop, call_value): Likewise.
5981 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5983 * timevar.c (timevar_add): Delete.
5984 (timevar_get): Also count time since the selected timer was
5985 last updated. Do not examine the timevar stack if the
5986 selected timer is standalone.
5988 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5990 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5992 2000-09-05 Jason Merrill <jason@redhat.com>
5994 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5995 for 'extern' arrays.
5997 2000-09-05 Richard Henderson <rth@cygnus.com>
5999 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6000 Eliminate final copy from non-trapping case.
6001 (__divdf3, __divsf3): Likewise.
6003 2000-09-05 Richard Henderson <rth@cygnus.com>
6005 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6006 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6008 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6010 * Makefile.in: Restructure bootstrap stages to allow clean
6011 restart after failure.
6013 2000-09-05 Richard Henderson <rth@cygnus.com>
6015 * config/ia64.md (movsi and movdi patterns): Allow moves from
6016 8-bit constants to AR registers.
6018 2000-09-05 Richard Henderson <rth@cygnus.com>
6020 * config/ia64/ia64.md (mulhi3): New.
6022 2000-09-05 Richard Henderson <rth@cygnus.com>
6024 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6025 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6026 Optimization Guide, minimum latency alternative.
6027 (__moddi3, __udivdi3, __umoddi3): Likewise.
6028 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6030 2000-09-05 Bruce Korb <bkorb@gnu.org>
6032 * fixinc/fixincl.c (load_file): always read header files
6033 with sizes that are a multiple of the page size.
6034 & use libiberty's getpagesize for determining that.
6036 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6038 * gcse.c (hash_string_1): Add prototype.
6039 * cse.c (canon_hash_string): Likewise.
6041 2000-09-04 Craig Newell <CraigN@ieee.org>
6043 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6045 2000-09-04 Andreas Schwab <schwab@suse.de>
6047 * Makefile.in (STAGESTUFF): Remove libgcc.
6048 (stage1-start, stage2-start, stage3-start): Copy the contents of
6049 the libgcc directory explicitly.
6050 (mostlyclean): Clean libgcc.
6052 2000-09-04 Andrew Haley <aph@redhat.com>
6054 * dwarf2out.c: (stack_adjust_offset): New prototype.
6056 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6058 * combine.c (make_extraction): Fix rtx_cost comparison to
6061 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6063 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6064 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6065 Add '*' to insn pattern name.
6067 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6069 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6070 use posn - 1 to index into tokens array.
6071 (maybe_paste_with_next): Adjust caller.
6073 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6075 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6077 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6078 (REGNO_REG_CLASS): Use symbolic register
6081 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6083 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6084 recognized, don't try to conditionally execute it.
6086 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6088 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6089 (call_value_insn): Right length claculation.
6090 (call_insn): Likewise.
6092 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6094 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6095 gas_output_limited_string, gas_output_ascii, output_movqi,
6096 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6097 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6098 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6099 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6100 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6101 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6102 Add "const" as needed to remove warnings.
6104 * config/avr/avr.c (avr_override_options, avr_init_once,
6105 function_prologue, function_epilogue, frame_pointer_required_p,
6106 class_likely_spilled_p, order_regs_for_local_alloc,
6107 avr_address_cost, avr_ret_register): Use K&R style arguments.
6108 (initial_elimination_offset, gas_output_limited_string):
6109 Remove ATTRIBUTE_UNUSED from the used arguments.
6110 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6111 Use local variables src, dest, base to access operands[].
6112 Rename reg_dest to reg_src if that's what it is.
6113 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6114 constants to LD_REGS if reg_was_0.
6115 (output_reload_insisf): Change arg 3 to insn length and set it.
6116 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6117 access to 16-bit I/O register pairs.
6118 (avr_address_cost): Lower cost for the above case.
6119 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6120 may be clobbered, also for LD_REGS.
6121 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6124 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6126 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6127 macro to test_hard_reg_class function.
6128 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6129 for loading immediate constants to LD_REGS.
6130 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6133 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6135 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6136 * config/avr/libgcc.S: Lost part of the previous patch.
6138 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6140 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6141 object before calling pthread_mutex_init.
6143 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6145 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6146 config/sh/crtn.asm: New files.
6147 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6148 (crt1.o, crti.o, crtn.o): New targets.
6149 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6151 * configure: Rebuilt.
6152 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6153 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6154 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6155 Undefine for config/elfos.h to redefine.
6156 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6158 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6160 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6161 legitimize_pic_address, output_pic_addr_const): Declare.
6162 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6163 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6164 (TARGET_SWITCHES): New switch -mprefergot.
6165 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6166 (PIC_OFFSET_TABLE_REGNUM): Define.
6167 (GOT_SYMBOL_TABLE): Likewise.
6168 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6169 (ENCODE_SECTION_INFO): Define.
6170 (FINALIZE_PIC): New macros.
6171 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6172 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6173 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6174 (prepare_move_operands): Call emit_pic_move or
6175 emit_pic_const_move if appropriate.
6176 (output_far_jump): For PIC, use braf and output long offset.
6177 (machine_dependent_reorg):
6178 (sh_expand_prologue): Save and initialize the PIC register.
6179 (sh_expand_epilogue): Restore it.
6180 (initial_elimination_offset): Account for it.
6181 (nonpic_symbol_mentioned_p): New function.
6182 (legitimize_pic_address): Likewise.
6183 (output_pic_addr_const): Likewise.
6184 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6185 (call, call_value): Use them.
6186 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6187 symPLT_label2reg): New expands.
6188 * invoke.texi (SH Options): Document -mprefergot.
6190 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6192 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6193 * gcse.c (hash_string_1): New function.
6194 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6195 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6196 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6197 (canon_hash_string): New function.
6198 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6199 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6200 (fold_rtx): Use ASM_OPERANDS accessor macros.
6201 * emit-rtl.c (copy_insn_1): Likewise.
6202 * integrate.c (copy_rtx_and_substitute): Likewise.
6203 * stmt.c (expand_asm_operands): Likewise. Give an
6204 ASM_OPERANDS rtx the mode of the output reg being set from it.
6206 2000-09-01 Fred Fish <fnf@be.com>
6208 * fix-header.c (write_rbrac): Add putc and getc to list of
6209 functions to protect against prior definition as a macro.
6211 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6213 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6214 (c_size_type_node): Define.
6215 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6216 * c-common.c (enum format_lengths, enum format_std_version,
6217 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6218 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6219 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6220 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6221 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6222 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6223 format_types): Define.
6224 (format_char_info, print_char_table, scan_char_table,
6225 time_char_table): Rearrange for new organization of information
6226 about format length modifiers and standard versions.
6227 (T_ST): Redefine to use c_size_type_node.
6228 (check_format_info): Obtain information about length modifiers and
6229 standard versions from tables. Adjust warning message wordings.
6230 Use the name from the user's program for `ll' and `hh' length
6231 modifiers in warning messages. Use more informative names for
6232 wanted types where available (for wchar_t, wint_t, size_t, signed
6233 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6235 2000-09-01 Jim Wilson <wilson@cygnus.com>
6237 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6238 * combine.c (distribute_notes): Handle REG_NORETURN.
6239 * rtl.c (reg_note_name): Add REG_NORETURN.
6240 * rtl.h (enum reg_note): Likewise.
6242 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6244 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6245 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6246 (emit_predicate_relation_info): Handle conditional calls with
6248 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6249 instead of ia64_file_start.
6250 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6251 * config/ia64/ia64.md (safe_across_calls_all,
6252 save_across_calls_normal): New patterns.
6254 * loop.c (check_final_value): Check for biv use before checking for
6255 giv use. Check for both biv and giv uses. Always set last_giv_use
6256 if there is a giv use.
6258 2000-09-01 Richard Henderson <rth@cygnus.com>
6260 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6261 (madddi3): Likewise.
6264 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6266 * expr.c (clear_storage): Don't use emit_move_insn unless
6267 either BLKmode or proper size.
6268 (store_constructor): Don't call clear_storage if REG of wrong size.
6270 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6271 of function if returns wiht stack pointer depressed.
6273 2000-09-01 Andrew Haley <aph@redhat.com>
6275 * dwarf2out.c (stack_adjust_offset): New function.
6276 (dwarf2out_stack_adjust): Break out stack adjust logic into
6277 new stack_adjust_offset function. Look inside parallels and
6278 sequences for stack adjustments.
6280 2000-08-31 Jeff Law <law@cygnus.com>
6282 * arm.md: Use no_new_pseudos to determine when it is safe
6283 to create new pseudo registers.
6285 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6286 when we can safely allocate new registers.
6288 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6290 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6291 so that CONCATs are not generated for ASMs.
6292 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6293 not generating_concat_p.
6294 * function.c (pop_function_context_from): Reset
6295 generating_concat_p.
6296 (prepare_function_start): Likewise.
6297 * rtl.c (generating_concat_p): Define.
6298 * rtl.h (generating_concat_p): Declare.
6299 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6301 2000-08-22 Philipp Thomas <pthomas@suse.de>
6302 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6304 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6307 2000-08-30 Greg McGary <greg@mcgary.org>
6309 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6310 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6311 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6313 2000-08-30 Greg McGary <greg@mcgary.org>
6315 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6316 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6317 (TREE_INT_CST): New macro.
6318 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6319 Use new macro TREE_INT_CST.
6321 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6323 * contrib.texi: Add self.
6325 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6327 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6328 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6331 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6333 * fixinc/gnu-regex.c: Don't define `const'.
6335 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6337 * expr.c (store_constructor): Allow variable bounds of array type.
6338 (expand_expr): Don't blow up if type is ERROR_MARK.
6339 * varasm.c (output_constructor): Don't access lower bound of array
6340 type unless need it if index is supplied (so it can be a variable
6341 if no index is supplied).
6342 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6343 Other minor cleanups.
6345 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6347 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6348 for compilations in stage 1 and subsequent stages, respectively.
6349 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6350 * configure: Rebuilt.
6351 * x-vax, x-vax-gcc: Deleted.
6353 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6355 * c-common.c (declare_function_name): Use func_id_node,
6356 function_id_node, and pretty_function_id_node. Do not make
6357 __func__ visible at file scope.
6358 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6359 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6360 (function_id_node, pretty_function_id_node, func_id_node): New
6362 * c-decl.c (init_decl_processing): Initialize function_id_node,
6363 pretty_function_id_node, and func_id_node.
6364 (c_make_fname_decl): Correct comment.
6366 * tree.h (struct tree_identifier): Constify pointer member.
6368 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
6369 * c-pragma.h (struct weak_syms): Constify name and value members.
6370 (add_weak): Constify arguments.
6372 * calls.c (special_function_p): Constify a char *.
6373 (expand_call): Remove variable which is initialized and then
6375 * dependence.c (struct def_use, struct induction, struct subscript):
6376 Constify 'variable' member.
6377 (get_low_bound, have_induction_variable): Constify char * argument.
6378 (find_induction_variable): Add braces to avoid dangling else.
6379 (classify_dependence): Constify char * arrays.
6380 * profile.c (output_func_start_profiler): Constify a char *.
6381 * stor-layout.c (finalize_record_size): Constify a char *.
6382 * tree.c (is_attribute_p): Constify a char *.
6383 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
6385 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
6386 for comprehensibility. Do not call get_identifier if we did
6387 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
6388 create temporary string constants, not ggc_alloc_string. No
6389 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
6390 char * to hold IDENTIFIER_POINTERs.
6392 2000-08-29 Richard Henderson <rth@cygnus.com>
6394 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
6397 2000-08-29 Richard Henderson <rth@cygnus.com>
6399 * reload.c (push_secondary_reload): Allow class == reload_class
6400 if we're using a reload_in/out pattern.
6402 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
6403 the half that does not conflict with the reload register.
6404 (reload_outti): Likewise.
6406 2000-08-29 Kazu Hirata <kazu@hxi.com>
6408 * reload.c: Fix formatting.
6410 * stmt.c: Fix formatting.
6412 * gcc.c: Fix formatting.
6414 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6416 * flags.h (time_report, mem_report): New global flags.
6417 * toplev.c: Define time_report and mem_report.
6418 (f_options): Add -ftime-report and -fmem-report.
6419 (compile_file): Turn on time_report if quiet_flag is off.
6420 Call ggc_print_statistics at very end if mem_report is on.
6421 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
6423 * ggc-common.c (ggc_print_statistics): Rename to
6424 ggc_print_common_statistics; all callers changed. Scale
6425 quantities above 10K to kilobytes and above 10M to megabytes.
6426 * ggc-page.c (ggc_page_print_statistics): Rename to
6427 ggc_print_statistics. Report memory consumed by internal data
6428 structures for each allocation bucket. Scale quantities above
6429 10K to kilobytes and above 10M to megabytes.
6430 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
6431 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
6432 Define tally_leaves always.
6433 (ggc_print_statistics): New function.
6434 * ggc.h: Adjust for renamed functions.
6436 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
6438 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
6439 output_movsisf instead of which_alternative.
6441 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
6443 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6445 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
6446 (avr_progmem_p): New prototype.
6447 (output_movsisf): Prototype declaration changed.
6448 (output_movqi): New prototype.
6449 (output_movhi): New prototype.
6450 (call_insn_operand): Likewise.
6451 (final_prescan_insn): Likewise.
6452 (avr_simplify_comparision_p): Likewise.
6453 (avr_normalize_condition): Likewise.
6454 (compare_eq_p): Likewise.
6455 (out_shift_with_cnt): Likewise.
6456 (const_int_pow2_p): Likewise.
6457 (output_reload_inhi): Prototype declaration changed.
6459 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
6460 (ldi_reg_rtx): New. rtx for r31.
6461 (avr_init_stack): Initialize as "__stack".
6462 (function_prologue): Use it.
6463 Replace all TARGET_ENHANCED with AVR_ENHANCED.
6464 (avr_mcu_name): Initialize as "avr2".
6465 (avr_enhanced_p, avr_mega_p): New variables.
6466 (mcu_types, avr_override_options): Handle all known MCU types.
6467 Also handle avr1 (only preprocess, assemble and link).
6468 (print_operand): Using of `%K' in output template removed.
6469 (out_movqi_r_mr): Optimized.
6470 (out_movhi_r_mr): Likewise.
6471 (output_movqi): New function.
6472 (output_movhi): Likewise.
6473 (out_movsi_r_mr): Optimized.
6474 (output_movsisf): Compute insn length for `adjust_insn_length'
6475 (out_movqi_mr_r): Optimized.
6476 (out_movhi_mr_r): Optimized.
6477 (adjust_insn_length): Use output_movsisf, output_movqi,
6478 output_movhi for insn length adjusting.
6479 (reg_unused_after): Use dead_or_set_p.
6480 (preferred_reload_class): Now havn't any restriction.
6481 (reg_was_0): New function.
6482 (io_address_p): Likewise.
6483 (const_int_pow2_p): Likewise.
6484 (output_reload_inhi): Likewise.
6485 (output_reload_insisf): Likewise.
6487 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
6488 (LIB_SPEC): Use -lc for all supported devices.
6489 (LIBGCC_SPEC): Use -lgcc for all supported devices.
6490 (AVR_MEGA): Define as avr_mega_p.
6491 (AVR_ENHANCED): New, define as avr_enhanced_p.
6492 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
6493 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
6494 (CRT_BINUTILS_SPECS): Handle all known MCU types.
6495 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
6496 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
6497 (ASM_SPEC): Pass -mmcu=... to the assembler.
6498 Change all -DAVR_* to -D__AVR_*__.
6499 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
6500 Rename library functions to start with two underscores.
6501 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
6503 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
6504 (SUPPORTS_WEAK): Likewise.
6505 (LDI_REG_REGNO): New. Register r31 will be used as temporary
6506 register for loading constants to r0-r14.
6508 * config/avr/avr.md: Replace all TARGET_ENHANCED with
6510 (*mov_r_sp): Removed. Handled by output_movhi.
6511 (*mov_sp_r): Likewise.
6512 (*mov_sp_r_no_interrupts): Likewise
6513 (*mov_sp_r_tiny): Likewise.
6514 (*movqi): Use output_movqi.
6515 (*reload_inqi): New.
6516 (*movhi): Use output_movhi.
6517 (*reload_inhi): New.
6518 (*negsi2): Optimized.
6519 (*negsf2): Likewise.
6520 Added peepholes (define_peephole2) for loading constants to r0-r14
6521 and for using `cpse' command.
6523 * config/avr/libgcc.S: Rename library functions to start with two
6525 Add support for enhanced core.
6526 (_moqhi3): Fix typo, now _modqi3.
6527 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
6528 (__prologue_saves__): Remove test for stack adjust by 0.
6529 (__tablejump__): New.
6531 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
6532 Add multilib support.
6534 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
6536 * loop.c (prescan_loop): Don't check unknown_address_altered
6537 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
6538 to loop_store_mems as necessary.
6539 (loop_invariant_p): Don't check unknown_address_altered
6540 or unknown_constant_address_altered.
6542 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6544 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
6546 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6548 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
6549 print just the filename.
6550 * cpplex.c (_cpp_run_directive): Add additional argument, the
6551 name to give the synthetic buffer. This defaults to
6552 translated "<command line>".
6553 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
6555 (_cpp_define_builtin): New function.
6556 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
6557 * cpphash.h: Update prototypes.
6559 * tradcpp.c (main): Process -D and -U simultaneously, in the
6560 order they appeared on the command line.
6562 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6564 * c-decl.c (define_label): Call warning_with_file_and_line and
6565 error_with_file_and_line instead of plain warning or error.
6567 * c-parse.in (label): Use save_filename/save_lineno to ensure
6568 correct values for calls to define_label.
6570 2000-08-29 Mark Mitchell <mark@codesourcery.com>
6572 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
6574 * expr.c (expand_expr, case TARGET_EXPR): Don't call
6576 * tree.h (get_file_function_name): Remove two duplicate
6579 2000-08-28 Kazu Hirata <kazu@hxi.com>
6581 * tree.c: Fix formatting.
6583 * xcoffout.c: Fix formatting.
6585 2000-08-28 Jason Merrill <jason@redhat.com>
6587 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
6589 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6591 * dwarf2out.c (dwarf2out_finish): Don't bother calling
6592 break_out_includes if it won't do anything.
6594 2000-08-28 Richard Henderson <rth@cygnus.com>
6596 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
6597 (find_reloads): Likewise.
6598 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
6599 (reload_inhi): Likewise.
6601 2000-08-28 Richard Henderson <rth@cygnus.com>
6603 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
6604 (call_insn_operand): Don't expect a surrounding mem.
6605 (constant_call_address_operand): Likewise.
6606 * config/i386/i386.h (PREDICATE_CODES): Update.
6607 * config/i386/i386.md (call patterns): Move the match_operand
6608 for the call destination inside the mem.
6610 2000-08-28 Richard Henderson <rth@cygnus.com>
6612 * local-alloc.c (requires_inout): Don't use reserved range for
6613 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
6614 * recog.c (asm_operand_ok): Likewise.
6615 (preprocess_constraints, constrain_operands): Likewise.
6616 * regclass.c (record_reg_classes): Likewise.
6617 * reload.c (find_reloads): Likewise.
6618 * reload1.c (maybe_fix_stack_asms): Likewise.
6619 (reload_cse_simplify_operands): Likewise.
6620 * stmt.c (expand_asm_operands): Likewise.
6622 * md.texi: Update constraints documentation.
6623 * tm.texi (EXTRA_CONSTRAINT): Update.
6625 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6627 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
6628 (print_die): If we don't know the offset of the
6629 target die, try the symbol. Add a trailing newline.
6630 (reverse_all_dies): New fn.
6631 (dwarf2out_finish): Call it.
6632 (break_out_includes): Reorganize for clarity.
6633 (add_sibling_attributes): Don't call reverse_die_lists.
6634 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
6636 * flags.h: Add flag_eliminate_dwarf2_dups.
6637 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
6639 2000-08-28 Jason Merrill <jason@redhat.com>
6641 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
6642 * dwarf2out.c: #include "md5.h".
6643 (DIE_LABEL_PREFIX): New macro.
6644 (dw_val_struct): Add 'external' flag to val_die_ref.
6645 (add_AT_die_ref, AT_ref): Adjust.
6646 (AT_ref_external, set_AT_ref_external): New fns.
6647 (build_abbrev_table): Call set_AT_ref_external.
6648 (value_format): Call AT_ref_external.
6649 (die_struct): Add die_symbol field.
6650 (new_die): Clear it.
6651 (dwarf_tag_name): Handle BINCL/EINCL.
6652 (dwarf2out_start_source_file): Add BINCL DIE.
6653 (dwarf2out_end_source_file): Add EINCL DIE.
6654 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
6655 (loc_checksum, attr_checksum, die_checksum): New fns.
6656 (is_type_die, is_comdat_die, is_symbol_die): New fns.
6657 (compute_section_prefix, assign_symbol_names): New fns.
6658 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
6659 (output_die): Call output_die_symbol and AT_ref_external.
6660 (output_comdat_comp_unit): New fn, split out from...
6661 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
6663 (output_pubnames, output_aranges): Abort if we see entries from
6665 * toplev.h: Declare file_name_nondirectory.
6666 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
6667 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
6668 (debug_start_source_file): Call dwarf2out_start_source_file
6669 regardless of debug verbosity.
6670 (debug_end_source_file): Similarly.
6671 * tree.h: Declare clean_symbol_name.
6672 * tree.c (clean_symbol_name): Split out from...
6673 (get_file_function_name_long): ...here.
6675 * dwarf2out.c (new_loc_descr): Use calloc.
6676 (splice_child_die): Remove the die from the right parent.
6677 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
6679 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6681 * toplev.c (decode_g_option): Don't give warning for unknown -g
6682 option; return 0 instead.
6683 (main): If -g option is not recognized by front end or
6684 language-independent code, give warning.
6686 2000-08-28 Greg McGary <greg@mcgary.org>
6688 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
6689 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
6690 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
6692 2000-08-27 Greg McGary <greg@mcgary.org>
6694 * cpplex.c (parse_string): Don't look for backslash
6695 before first char in `namebuf'.
6696 * loop.c (strength_reduce): Skip NOTEs.
6698 2000-08-27 Jason Merrill <jason@redhat.com>
6700 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
6701 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
6702 TREE_ASM_WRITTEN, either.
6703 (finish_decl): Adjust.
6705 2000-08-28 Philipp Thomas <pthomas@suse.de>
6707 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
6708 they have been incorporated into the gettext CVS. Change the text to
6709 reflect the current status of NLS. Add instructions for accessing
6710 the gettext CVS and add the patch from Martin v. Loewis.
6712 2000-08-27 Geoff Keating <geoffk@cygnus.com>
6714 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
6715 by using gen_lowpart_common.
6716 (movdi_internal64+6): Likewise.
6718 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
6720 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
6723 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
6724 numbers to the ranges used by GDB.
6726 2000-08-25 Richard Henderson <rth@cygnus.com>
6728 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
6729 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
6730 (ia64_expand_prologue): Likewise.
6731 (ia64_setup_incoming_varargs): Set it. Properly skip the current
6732 argument for stdargs.
6734 2000-08-25 Jason Merrill <jason@redhat.com>
6736 * integrate.c (expand_inline_function): Pull out the original decl.
6738 2000-08-25 Jim Wilson <wilson@cygnus.com>
6740 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
6742 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
6744 2000-08-25 Greg McGary <greg@mcgary.org>
6746 * flow.c (dump_edge_info): Use ARRAY_SIZE.
6747 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
6749 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
6751 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
6753 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
6755 * i386.c (ix86_find_base_term): New.
6756 * i386-protos.h (ix86_find_base_term): Prototype.
6757 * i386.h (FIND_BASE_TERM): Define.
6758 * alias.c (find_base_term): Use it.
6759 * tm.texi (FIND_BASE_TERM): Document it.
6761 * alias.c (true_dependence, write_dependence_p): Unchanging
6762 memory can't conflict with non-unchanging memory.
6764 * alias.c (memrefs_conflict_p): A BLKmode reference
6765 to a symbol (or CONST_INT address) always conflicts
6766 with a reference to another symbol.
6768 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
6770 * c-common.c (time_char_table): Don't allow width and flags with
6773 2000-08-25 Jakub Jelinek <jakub@redhat.com>
6775 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
6776 way as LT and LTU when the second operand has 0 in low word.
6778 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6780 * basic-block.h (struct loop): Rename `exits' field to
6781 `exit_edges'. Add `entry_edges' and `num_entries' fields.
6783 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
6784 (flow_loop_entry_edges_find): Add.
6785 (flow_edge_list_print): Rename from flow_exits_print.
6786 (flow_loops_find): Call flow_loop_entry_edges_find.
6787 (flow_loop_dump): Dump entry_edges list.
6788 (flow_loops_free): Free entry_edges.
6790 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6792 * loop.c (loop_dump_aux, debug_loop): New functions.
6793 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
6795 * flow.c (flow_loops_dump): Add callback parameter.
6796 (flow_loop_dump): Add callback parameter and call it. Move
6797 loop note debugging code to loop_dump_aux.
6799 * basic-block.h (flow_loop_dump): Add callback parameter
6800 (flow_loops_dump): Likewise.
6802 * toplev.c (rest_of_compilation): Add NULL callback function pointer
6803 to call to flow_loops_dump.
6805 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6807 * loop.c (count_loop_regs_set): Replace start and end arguments
6808 with loop argument. All callers udated.
6810 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6812 * loop.c (constant_high_bytes): Delete.
6814 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6816 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
6817 and NOTE_INSN_LOOP_VTOP to...
6818 (find_and_verify_loops) ...here.
6820 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
6822 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
6823 (fini_dummy, init_dummy): Use it.
6825 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
6827 * cpplex.c (is_macro_disabled): Caller has already checked
6828 that we're not a preprocessed file.
6830 2000-08-24 Mark Mitchell <mark@codesourcery.com>
6832 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
6833 (c-iterate.o): Remove target.
6834 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
6835 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
6836 (finish_decl): Don't handle iterators.
6837 (grokdeclarator): Likewise.
6838 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
6839 * gcc/c-gperf.h: Regenerated.
6840 * gcc/c-iterate.c: Removed.
6841 * gcc/c-lex.c (init_lex): Don't handle iterators.
6842 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
6843 (compstmt_primary_start): Remove push_iterator_stack call.
6844 (stmt): Don't allow iterator statements. Replace iterator_expand
6845 with expand_expr_stmt.
6846 (all_iter_stmt): Remove.
6847 (all_iter_stmt_simple): Likewise.
6848 (all_iter_stmt_with_decl): Likewise.
6849 * gcc/c-tree.h (ITERATOR_P): Remove.
6850 (ITERATOR_BOUND_P): Likewise.
6851 (init_iterators): Remove declaration.
6852 (iterator_expand): Likewise.
6853 (iterator_for_loop_start): Likewise.
6854 (iterator_for_loop_end): Likewise.
6855 (iterator_for_loop_record): Likewise.
6856 (push_iterator_stack): Likewise.
6857 (pop_iterator_stack): Likewise.
6858 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
6859 (readonly_warning): Likewise.
6860 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
6862 2000-08-24 Jim Wilson <wilson@cygnus.com>
6864 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
6865 Copy type in a TYPE_DECL, just like pushdecl does.
6867 2000-08-24 Richard Henderson <rth@cygnus.com>
6869 * toplev.c (main): Enable flag_reorder_blocks at -O2.
6871 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6873 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
6874 asked for one page, allocate GGC_QUIRE_SIZE of them and put
6875 the extras on the free list.
6876 (release_pages): Clean up.
6877 (ggc_set_mark): Don't adjust G.allocated here...
6878 (sweep_pages): ... do it here.
6880 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6882 * cppfiles.c (read_include_file): Rearrange initializations.
6884 2000-08-24 Richard Henderson <rth@cygnus.com>
6886 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6888 * config/ia64/ia64-protos.h: Update.
6889 * config/ia64/ia64.c (gr_register_operand): New.
6890 (fr_register_operand, grfr_register_operand): New.
6891 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6892 (grfr_reg_or_8bit_operand): New.
6893 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6894 use gr_register_operand.
6895 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6896 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6897 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6898 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6899 (fr_reg_or_fp01_operand): Likewise.
6900 (not_postinc_memory_operand): New.
6901 (ia64_split_timode): Remove unused variables.
6902 (rtx_needs_barrier): Check arguments to cmpxchg.
6903 (builtin_description): Remove.
6904 (bdesc_2argsi, bdesc_2argdi): Remove.
6905 (ia64_init_builtins): Declare all builtins directly.
6906 (ia64_expand_fetch_and_op): Rewrite to be called from
6907 ia64_expand_builtin directly. Use expand_binop and co.
6908 (ia64_expand_op_and_fetch): Likewise.
6909 (ia64_expand_compare_and_swap): Likewise.
6910 (ia64_expand_binop_builtin): Remove.
6911 (ia64_expand_lock_test_and_set): New.
6912 (ia64_expand_lock_release): New.
6913 (ia64_expand_builtin): Use them.
6914 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6915 (EXTRA_CONSTRAINT): Use it.
6916 (PREDICATE_CODES): Update.
6917 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6918 (mf): Indicate that we set memory as well as use it.
6919 (fetchadd_acq_si): Show memory being modified as well.
6920 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6921 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6922 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6923 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6924 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6925 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6926 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6927 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6928 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6929 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6930 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6931 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6932 return type. Pretty print definitions.
6934 2000-08-24 Jim Wilson <wilson@cygnus.com>
6936 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6937 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6939 2000-08-24 Jason Merrill <jason@redhat.com>
6941 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6942 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6943 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6944 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6946 2000-08-24 Greg McGary <greg@mcgary.org>
6948 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6949 and extendtab within their proper array boundaries.
6950 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6951 for the entire array.
6953 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6954 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6955 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6956 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6957 * config/i386/dgux.c (output_options): Likewise.
6958 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6959 * config/m88k/m88k.c (output_options): Likewise.
6960 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6961 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6962 layout_mcore_frame, handle_structs_in_regs): Likewise.
6963 * config/mips/mips.c (output_block_move): Likewise.
6964 * config/rs6000/rs6000.c (rs6000_override_options,
6965 rs6000_file_start): Likewise.
6966 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6967 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6968 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6969 * builtins.c (expand_builtin_setjmp): Likewise.
6970 * expr.c (safe_from_p): Likewise.
6971 * flow.c (life_analysis): Likewise.
6972 * fold-const.c (size_int_type_wide): Likewise.
6973 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6974 * genattrtab.c (make_length_attrs): Likewise.
6975 * genopinit.c (gen_insn): Likewise.
6976 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6977 * global.c (global_alloc): Likewise.
6978 * local-alloc.c (find_free_reg): Likewise.
6979 * mips-tdump.c (print_symbol): Likewise.
6980 * mips-tfile.c (parse_def, parse_input): Likewise.
6981 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6982 * stmt.c (expand_nl_goto_receiver): Likewise.
6983 * stor-layout.c (set_sizetype): Likewise.
6984 * varasm.c (decode_reg_name): Likewise.
6985 * toplev.c (decode_f_option, decode_W_option,
6986 set_target_switch, print_switch_values): Likewise.
6987 (NUM_ELEM): Remove macro.
6988 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6990 2000-08-24 Greg McGary <greg@mcgary.org>
6992 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6993 (MAIN_NAME_P, main_identifier_node): New macros.
6994 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6995 * c-decl.c (start_decl, grokdeclarator, start_function,
6996 store_parm_decls, finish_function): Use MAIN_NAME_P.
6997 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6998 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6999 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7000 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7002 2000-08-24 Greg McGary <greg@mcgary.org>
7004 * cppfiles.c (actual_directory): Don't write beyond `dir'
7005 when it contains "".
7006 * real.c (asctoeg): Stay within bounds of etens[][].
7008 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7010 * dependence.c (dependence_string, direction_string,
7011 dump_one_node, dump_node_dependence): Hide unused identifiers.
7012 (get_low_bound, normalize_coefficients): Match definition to
7014 (get_one_coefficient): Initialize variables `value0_is_idx' and
7016 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7017 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7018 (direction_merge): Avoid automatic aggregate initialization.
7019 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7020 Initialize variables `dest_idx' and `src_idx'.
7021 (end_dependence_analysis): Avoid C89 style function definition.
7023 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7025 * c-common.c (time_char_table): Don't allow width with %F.
7026 (check_format_info): Don't allow "Z" length with scanf.
7028 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7030 * diagnostic.c (finish_diagnostic): Define.
7031 (output_do_printf): Use wrap_text instead of output_add_string.
7032 (default_print_error_function): Avoid embedded '\n'.
7034 * diagnostic.h (flush_diagnostic_buffer): Declare.
7036 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7038 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7040 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7042 * Makefile.in (GCC_PASSES): Add specs.
7044 2000-08-23 Jim Wilson <wilson@cygnus.com>
7046 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7047 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7048 EHANDLER nor UHANDLER bit is set.
7049 (__get_except_table): Likewise.
7051 2000-08-23 Nick Clifton <nickc@redhat.com>
7053 * config/arm/lib1funcs.asm: Replace upper case condition codes
7054 with lower case versions.
7056 * config/arm/arm.h (STRUCT_VALUE): Define.
7057 (STRUCT_VALUE_REGNUM): Delete.
7059 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7061 * cpphash.h (IN_I): New flag for directive table.
7062 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7064 (_cpp_check_directive): If -fpreprocessed, execute directives
7065 marked with IN_I. Issue no warnings in this case.
7066 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7068 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7070 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7072 (check_format_info): Support printf 'I' flag; warn about it with
7075 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7077 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7078 barrier can't be ignored by the alias analysis code.
7080 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7082 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7083 works inside fixincl.
7085 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7087 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7088 simplify_relational_operation() unless both operands are of
7090 * cse.c (fold_rtx): Likewise.
7092 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7094 * rtlanal.c (rtx_unstable_p): The pic register is stable
7095 (within one function) and the actual rtx should be used
7096 when checking the registers.
7097 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7099 * alias.c (true_dependence, write_dependence_p): Fix
7100 bug in previous patch.
7102 * i386.c (ix86_GOT_alias_set): New.
7103 (legitimize_pic_address): Use it.
7105 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7106 only stable if its address is stable.
7107 (rtx_varies_p): An unchanging MEM can't vary if
7108 its address doesn't vary.
7110 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7112 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7114 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7116 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7117 * x-vax-gcc: New file for bootstrapping with gcc.
7118 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7119 * configure.in: Use x-vax-gcc with gcc.
7120 * configure: Rebuilt.
7122 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7124 * toplev.c (rest_of_compilation): Rebuild label notes after
7125 post-reload splitting pass if new labels have been created.
7127 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7129 * diagnostic.h (output_buffer_state): New macro.
7130 * diagnostic.c (diagnostic_for_decl, sorry,
7131 default_print_error_function, output_do_verbatim,
7132 report_diagnostic, report_problematic_module): Use it.
7134 (output_format): Use wrap_text instead of maybe_wrap_text.
7136 2000-08-22 Nick Clifton <nickc@redhat.com>
7138 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7139 Common code for ARM divide and modulus functions.
7140 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7142 (FUNC_END): New macro: Common code at the end of the division and
7144 (THUMB_FUNCTION_START): New macro: Common code at the start of
7146 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7148 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7150 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7152 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7153 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7156 2000-08-22 Nick Clifton <nickc@redhat.com>
7158 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7159 restorative additions, test for bottom bits of IP being set,
7160 rather than relying upon the RORs not matching.
7163 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7165 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7166 text_section() as appropriate instead of emitting text csect
7168 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7169 (UNIQUE_SECTION): Define macro.
7170 (ASM_OUTPUT_SECTION_NAME): Define macro.
7171 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7172 on AIX if debugging and -fdata-sections always.
7174 2000-08-22 Steven King <sxking@uswest.net>
7176 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7178 (LDBL_MAX): Same here.
7180 2000-08-22 Richard Henderson <rth@cygnus.com>
7182 * flow.c (tidy_fallthru_edge): Update b->end properly.
7184 2000-08-22 Stan Cox <scox@redhat.com>
7186 * Makefile.in (OBJS): Add dependence.o.
7187 * dependence.c: New file.
7189 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7191 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7193 (check_sibcall_argument_overlap): Likewise.
7195 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7197 * invoke.texi (SH Options): Document -m4-nofpu,
7198 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7199 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7201 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7203 * c-common.c (check_format_info): Give the 'some locales' warning
7204 for strftime %Ey rather than the unconditional 'only last 2 digits
7207 2000-08-22 Richard Henderson <rth@cygnus.com>
7209 * alias.c (init_alias_analysis): Do not register
7210 struct_value_incoming_rtx or static_chain_rtx as pointing
7213 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7215 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7217 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7219 * diagnostic.h (report_problematic_module): Declare.
7220 * diagnostic.c (report_problematic_module): New function.
7221 (report_error_function): Tweak.
7223 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7225 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7226 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7228 2000-08-21 Richard Henderson <rth@cygnus.com>
7230 * flow.c (calculate_global_regs_live): Mark frame pointer live
7231 everywhere before reload.
7233 2000-08-21 Jim Wilson <wilson@cygnus.com>
7235 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7236 INTEL_EXTENDED_IEEE_FORMAT.
7237 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7238 clear last two bytes of output FP value.
7240 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7242 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7244 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7246 * unroll.c (loop_find_equiv_value): If ret is modified between
7247 insn and loop_start, ret might not be equivalent to reg.
7249 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7251 * c-common.c (init_dollar_format_checking,
7252 maybe_read_dollar_number, finish_dollar_format_checking): New
7254 (dollar_arguments_used, dollar_arguments_count,
7255 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7257 (check_format_info): Support $ formats for scanf and printf width
7258 and precision. Always increment format_chars to advance past the
7259 '*' of precision, not just when the format parameters are
7262 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7264 * mips.c (block_move_loop, expand_block_move,
7265 function_arg_partial_nregs, save_restore_insns, function_prologue,
7266 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7268 (function_arg_advance, function_arg): Match argument to format
7271 2000-08-21 Nix <nix@esperi.demon.co.uk>
7273 * gcc.c (do_spec_1): Implement %j spec flag.
7274 Remove dead comment.
7276 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7277 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7278 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7279 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7281 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7282 writable) instead of hardcoded value.
7284 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7286 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7289 * gcc.c (cc1_options): Do not process -o or run the assembler if
7291 * objc/lang-spec.h: Likewise.
7293 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7295 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7296 "external" fixes through `cat', to avoid truncating the input
7297 file by redirection.
7299 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7301 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7303 (lea_general_2, lea_general_3): Likewise.
7305 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7307 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7308 warnings to user code.
7310 * c-lex.c (readescape, yylex): Likewise.
7312 * c-typeck.c (store_init_value, process_init_element): Likewise
7313 (c_expand_start_case): Format.
7315 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7317 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7319 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7320 and linker_endian_spec to endian_spec.
7321 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7322 (LINK_SPEC): Remove %{EB} and %{EL}.
7323 (ASM_SPEC): Likewise. Use %(endian_spec).
7325 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7327 * c-tree.h (flag_hosted): Move declaration from here...
7328 * c-common.h (flag_hosted): ... to here.
7329 (flag_noniso_default_format_attributes): New declaration.
7330 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7331 (c_decode_option): Set it appropriately for options choosing
7332 language standard variant.
7333 * c-common.c (init_function_format_info): Only provide default
7334 format attributes if flag_hosted. Only provide the gettext
7335 formats if flag_noniso_default_format_attributes. Update
7337 (check_format_info): Disable treatment of %a as a scanf flag in
7340 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7342 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7344 (check_format_info): Set 'wide' for scanf format widths. Warn for
7345 a zero scanf width. Make the check for writing into a constant
7346 object at the first level of indirection; at later levels, warn if
7347 any type qualifiers are encountered.
7349 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7351 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7353 (push_reload): Use reload_inner_reg_of_subreg.
7354 (combine_reloads): Do not combine reloads if the input reload
7355 is a SUBREG in which the inner part will need reloading.
7357 * global.c (global_alloc): Avoid passing dumpfile argument to
7359 * toplev.c (rest_of_compilation): Likewise.
7360 * reload.h (reload): Remove dumpfile argument. Callers changed.
7361 (debug_reload, debug_reload_to_stream): Move prototypes here.
7362 * rtl.h (reload): Remove dumpfile argument.
7363 * reload.c (debug_reload): Remove prototype.
7364 (debug_reload_to_stream): Likewise.
7365 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
7368 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7370 * diagnostic.c (context_as_prefix): Export.
7371 (need_error_newline): Remove.
7372 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
7373 (error_module_changed, record_last_error_module,
7374 error_function_changed, record_last_error_function): New functions.
7375 (initialize_diagnostics): Default intialize
7376 lang_diagnostic_starter, lang_diagnostic_finalizer.
7377 (init_output_buffer): Tweak.
7378 (file_name_as_prefix): New function.
7379 (announce_function, default_print_error_function,
7380 report_error_function, set_diagnostic_context): Tweak.
7382 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
7384 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
7385 condition expression.
7387 2000-08-20 Richard Henderson <rth@cygnus.com>
7389 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
7391 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
7393 * cppinit.c (cpp_init): Set global flag when called.
7394 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
7396 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
7398 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
7399 before `process_directive' so that newlines won't be missed
7401 (cpp_printf): Increment `print->lineno' when newline is emitted.
7403 * cppmain.c (cb_ident): Likewise.
7404 (cb_define): Likewise.
7405 (cb_undef): Likewise.
7406 (cb_include): Likewise.
7407 (cb_def_pragma): Likewise.
7408 (dump_macros_helper): Likewise.
7410 2000-08-20 Richard Henderson <rth@cygnus.com>
7412 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
7413 assigned before a loop.
7415 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
7416 (ashrsi3, lshrsi3): Likewise.
7418 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7420 * c-lang.c: #include diagnostic.h
7421 (c_tree_printer): New function.
7422 (lang_init): Initialize lang_printer.
7424 * Makefile.in (c-lang.o): Depends on diagnostic.h
7426 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7428 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
7430 * diagnostic.c (default_diagnostic_starter,
7431 default_diagnostic_finalizer): New functions.
7432 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
7433 (pedwarn, pedwarn_with_file_and_line, error,
7434 error_with_file_and_line, fatal, warning,
7435 warning_with_file_and_line): Adjust call to report_diagnostic.
7436 (report_diagnostic): Rework.
7437 (set_diagnostic_context): New function.
7439 * diagnostic.h (struct diagnostic_context): New data structure.
7440 (diagnostic_message, diagnostic_argument_list,
7441 diagnostic_file_location, diagnostic_line_location,
7442 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
7443 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
7444 (set_diagnostic_context): Declare.
7445 (report_diagnostic): Change prototype.
7447 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
7449 * fix-header.c (main): Initialize cpplib.
7451 2000-08-19 Michael Meissner <meissner@redhat.com>
7453 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
7454 instructions in it before checking for indirect jumps.
7456 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7457 in a indirect jump as a potential for conditional execution.
7459 * d30v.h (d30v_init_expanders): Don't declare here.
7460 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
7463 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
7465 * cpp.texi: Add @section for assertions.
7467 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
7469 * loop.c (scan_loop): Use CONST_CALL_P instead of
7470 checking for REG_LIBCALL / REG_RETVAL.
7472 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
7474 * reload1.c (reload_as_needed): Accept dumpfile argument,
7475 pass it to emit_reload_insns.
7476 (emit_reload_insns): Add new dumpfile argument. If non-null
7477 then dump the reloads for each insn into the dumpfile.
7478 (reload): Pass dumpfile to reload_as_needed.
7480 * invoke.texi: Clean up linux-gnu vs linux comments.
7482 2000-08-19 Richard Henderson <rth@cygnus.com>
7484 * config/ia64/ia64.c (reg_or_5bit_operand): New.
7485 (ia64_depz_field_mask): New.
7486 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
7487 (PREDICATE_CODES): Update.
7488 * config/ia64/ia64.md: Update commentary.
7489 (depz_internal): New.
7490 (ashlsi3): Implement directly.
7491 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
7492 (ashldi3): Use shladd.
7493 * config/ia64/ia64-protos.h: Update.
7495 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7497 * toplev.c (independent_decode_option): Always process -g.
7498 Remove third argument, now unused. Adjust caller to match.
7500 2000-08-18 Richard Henderson <rth@cygnus.com>
7502 * combine.c (make_compound_operation): Break after creating
7505 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7507 * cpplib.c (cpp_register_pragma_space): Just return if the
7508 namespace is already registered.
7510 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
7512 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
7513 constant amount. Do not generate ROTL instruction.
7515 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
7517 * config/sh/elf.h: Do not include sh/sh.h.
7518 * config/sh/rtems.h: Likewise.
7519 * config/sh/rtemself.h: Do not include sh/elf.h.
7520 * configure.in: Get them included with `tm_file's.
7521 * configure: Rebuilt.
7523 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
7524 * config/sh/sh.c (fpscr_set_from_mem): Use them.
7526 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7528 * stor-layout.c (compute_record_type): Don't use mode of single
7529 field as mode of record if not integer mode of same type.
7531 * regmove.c (perhaps_ends_bb_p): New function.
7532 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
7533 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
7534 (fixup_match_1): Likewise.
7535 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
7536 avoid signed/unsigned warnings.
7538 * function.c (fixup_var_refs_1, case MEM): Update CODE after
7541 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
7543 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
7544 (_cpp_trigraph_map): Declaration moved from cpplex.c
7546 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
7547 instead of 256. Use consistent test for designated initializers.
7548 (cpp_init): Initialize trigraph_map.
7549 (initialize_standard_includes, parse_option): Use memcmp
7552 * cpplex.c (init_trigraph_map): Remove.
7553 (trigraph_ok, trigraph_replace, lex_line): Refer to
7556 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
7557 (do_unassert): Remove unused "next" local.
7559 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
7561 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
7563 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
7566 2000-08-17 Richard Henderson <rth@cygnus.com>
7568 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
7569 the first insn in a sequence.
7571 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
7573 * alias.c (true_dependence, write_dependence_p): A read
7574 involving a label_ref or the constant pool doesn't create
7577 * rtl.h (unchanging): Improve documentation.
7579 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
7581 * cse.c (insert_regs): Remove unused `regno'.
7583 2000-08-17 Neil Booth <NeilB@earthling.net>
7585 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
7586 remove_dup_dirs. If qtail == brack, remove brack not
7588 (remove_dup_dir, remove_dup_dirs): New functions.
7590 2000-08-17 Neil Booth <NeilB@earthling.net>
7592 * cppinit.c (cpp_cleanup): Free include dir chains.
7593 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
7594 (do_unassert): Free the assert with _cpp_free_definition.
7595 * cppmacro.c (_cpp_free_definition): Free memory allocated for
7596 assertions. Make the node a T_VOID node.
7598 2000-08-17 Neil Booth <NeilB@earthling.net>
7600 * cppinit.c (path_include, append_include_chain):
7601 Remove 2nd parameter (struct cpp_pending *).
7602 (path_include, initialize_standard_includes, cpp_handle_option):
7603 Update callers appropriately.
7604 (cpp_handle_option): Use pend.
7606 2000-08-17 Neil Booth <NeilB@earthling.net>
7608 * cppinit.c (sort_options): Remove, put functionality in
7611 (initialize_builtins): Free memory.
7612 (cpp_start_read): Move init_IStable to cpp_init.
7614 * cpplib.h (cpp_init): New prototype.
7615 * cppmain.c (main): Call cpp_init.
7617 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
7619 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
7620 (rtx_unstable_p, rtx_varies_p): Process vectors.
7622 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7624 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
7625 references to GLOBAL symbols. Use LOCAL where appropriate.
7627 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7629 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
7630 use t-aix41 when host == target.
7632 2000-08-16 Richard Henderson <rth@cygnus.com>
7634 * reload.c (push_secondary_reload): Revert last change.
7635 If we use a reload_in/out pattern, make the when the same
7636 as the primary reload.
7637 (find_reloads): Likewise.
7639 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
7641 * configure.in (libstdcxx-v3): Fix test.
7642 * configure: Regenerate.
7644 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7646 * calls.c (calls_function_1, expand_call): Only test
7647 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7648 * function.c (thread_prologue_and_epilogue_insns): Likewise.
7650 2000-08-16 Richard Henderson <rth@cygnus.com>
7652 * combine.c (simplify_shift_const): Revert previous two
7653 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
7654 before the main loop.
7656 2000-08-15 Richard Henderson <rth@cygnus.com>
7658 * combine.c (simplify_shift_const): Bound shift count when
7661 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7663 * calls.c (ECF_SP_DEPRESSED): New macro.
7664 (calls_function_1): Treat calling sp-depressed function as alloca.
7665 (emit_call_1): Don't adjust SP if calling sp-depressed function.
7666 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
7667 If sp-depressed, ensure block saves and restores SP.
7668 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
7670 * function.c (keep_stack_depressed): New function.
7671 (thread_prologue_and_epilogue_insns): Call it.
7672 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
7673 to print DECL_OFFSET_ALIGN.
7674 Print no-force-blk and transparent-union flags properly.
7675 * stmt.c (expand_goto_internal): Don't restore stack if last block
7676 and function returns with sp depressed.
7677 (fixup_gotos): Likewise.
7678 (save_stack_pointer): New function, from code in expand_decl.
7679 (expand_decl): Call new function.
7680 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
7681 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
7682 (save_stack_pointer): New declaration.
7684 * diagnostic.c (fatal_function): New variable.
7685 (set_fatal_function): New function.
7687 * diagnostic.h (set_fatal_function): New declaration.
7689 2000-08-15 William Cohen <wcohen@redhat.com>
7691 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
7692 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
7693 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
7695 2000-08-15 Richard Henderson <rth@cygnus.com>
7697 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
7699 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7701 * arm.c (arm_function_ok_for_sibcall): New function.
7702 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
7703 * arm.md (call expanders): Don't check here for calls that can't
7706 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7708 * arm.md (splits generating cond_exec): Disable.
7710 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7712 * arm/linux-elf.h (text_section): Delete declaration.
7714 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7716 ARM support for unordered FP operations.
7717 * arm-protos.h (arm_comparison_operator): Declare.
7718 * arm.c (arm_comparison_operator): New function.
7719 (arm_select_cc_mode): Add unordered comparison codes.
7720 (get_arm_condition_code): Likewise.
7721 (arm_final_prescan_insn): Can't handle unordered jumps that can't
7722 be done in one insn.
7723 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
7724 * arm.md (all uses of comparison_operator): Replace with
7725 arm_comparison_operator.
7726 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
7728 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
7731 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7733 * gthr-posix.h: Conditionally include <sched.h>; include
7734 <config.h> from libobjc/.
7736 2000-08-14 Richard Henderson <rth@cygnus.com>
7738 * config/i386/i386.c (legitimize_pic_address): Use Pmode
7741 2000-08-14 Richard Henderson <rth@cygnus.com>
7743 * configure.in (ia64-*): Set float_format for i386 long double.
7745 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
7746 as we would for i386 XFmode.
7747 (PUT_REAL): Likewise.
7748 (endian, ereal_atof, real_value_truncate): Likewise.
7749 (ereal_isneg, toe64, etens, make_nan): Likewise.
7750 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
7752 * config/ia64/ia64-protos.h: Update.
7753 * config/ia64/ia64.c (general_tfmode_operand): New.
7754 (destination_tfmode_operand): New.
7755 (tfreg_or_fp01_operand): New.
7756 (ia64_split_timode): New.
7757 (spill_tfmode_operand): New.
7758 (ia64_expand_prologue): Use TFmode not XFmode.
7759 (ia64_expand_epilogue): Likewise.
7760 (ia64_function_arg): Likewise.
7761 (ia64_function_arg_advance): Likewise.
7762 (ia64_return_in_memory): Likewise.
7763 (ia64_function_value): Likewise.
7764 (ia64_print_operand): Likewise.
7765 (ia64_register_move_cost): Set GR<->FR to 5.
7766 (ia64_secondary_reload_class): Get GR for TImode memory op.
7767 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
7768 (ROUND_TYPE_ALIGN): Remove.
7769 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
7770 (INTEL_EXTENDED_IEEE_FORMAT): Define.
7771 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
7772 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
7773 (MODES_TIEABLE_P): Use TFmode, not XFmode.
7774 (CLASS_MAX_NREGS): Likewise.
7775 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
7776 (PREDICATE_CODES): Update.
7777 * config/ia64/ia64.md (movti): New.
7778 (movti_internal): Use a clobber for memory alternatives.
7779 (reload_inti, reload_outti): New.
7780 (movsfcc_astep): Predicate properly.
7781 (movdfcc_astep): Likewise.
7784 (extendsftf2, extenddftf2): New.
7785 (trunctfsf2, trunctfdf2): New.
7786 (floatditf2, fix_trunctfdi2): New.
7787 (floatunsditf2, fixuns_trunctfdi2): New.
7788 (addtf3, subtf3, multf3, abstf2): New.
7789 (negtf2, nabstf2, mintf3, maxtf3): New.
7790 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
7792 (fr_spill): Use TFmode, not XFmode.
7793 (fr_restore): Likewise.
7794 * config/ia64/lib1funcs.asm (__divtf3): New.
7795 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
7797 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7799 * cse.c (fold_rtx): Avoid empty body in an if-statement.
7801 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
7802 `U' integer constant suffix.
7804 * dwarf2out.c (add_subscript_info): Avoid empty body in an
7807 * sparc/sol2.h (__enable_execute_stack): Prototype.
7809 2000-08-14 David Edelsohn <edelsohn@gnu.org>
7811 * collect2.c: Remove use of AIX import file.
7813 * longlong.h: Test ARCH_PWR not ARCH_POWER.
7815 * rs6000.c (print_operand, case 'E'): Add else.
7817 2000-08-14 Richard Henderson <rth@cygnus.com>
7819 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
7820 (movdi_symbolic): New.
7822 2000-08-14 Jim Wilson <wilson@cygnus.com>
7824 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7825 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
7826 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7829 2000-08-14 Richard Henderson <rth@cygnus.com>
7831 * expr.c (emit_group_load): Don't force constants into registers.
7832 Special case source already in the correct mode.
7834 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
7836 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
7837 * fixinc/inclhack.def: Likewise.
7838 * fixinc/mkfixinc.sh: Likewise.
7839 * configure: Regenerate.
7840 * fixinc/fixincl.x: Regenerate.
7841 * install.texi: Document equivalence of linux and linux-gnu.
7843 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7845 * cse.c (insert_regs): Also in REG case: When finding an invalid
7846 value, and we make a new quantity, make sure that it won't be
7847 mistaken by for a valid one by mention_regs.
7849 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
7851 * h8300.md: Remove obsolete peepholes.
7853 2000-08-13 Kazu Hirata <kazu@hxi.com>
7855 * invoke.texi (H8/300 Options): Fix typos.
7856 * config/h8300.c: Fix formatting.
7857 * config/h8300.h: Fix comment typos.
7858 (OVERRIDE_OPTIONS): Fix formatting.
7860 * function.c: Fix formatting.
7862 * cse.c: Fix formatting.
7864 2000-08-13 Geoff Keating <geoffk@cygnus.com>
7866 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
7867 (attempt_auto_inc): Suppress parentheses warning.
7868 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
7869 * loop.c (load_mems): Remove `u' suffix in two places.
7870 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
7872 * config/rs6000/rs6000.h: Likewise.
7873 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
7874 __eabi dummy routine.
7875 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
7878 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
7879 not put stuff in .sdata unnecessarily.
7880 (rs6000_unique_section): New function.
7881 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
7882 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
7884 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7885 arrays in C99. Don't try to look at DECL_REGISTER of a
7886 COMPONENT_REF. Don't complain twice about the same error.
7888 * fixinc/inclhack.def (aix_pthread): New fix.
7889 (aix_sysmachine): New fix.
7890 * fixinc/fixincl.x: Regenerate.
7892 * expr.c (expand_expr): Call convert_modes when turning a large
7893 multiply into a small one.
7895 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7897 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7898 the tree structure an exponent rather than an explicit alignment
7899 so it doesn't overflow.
7900 (SET_DECL_OFFSET_ALIGN): New macro.
7901 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7902 rather than DECL_OFFSET_ALIGN.
7903 (place_field): Likewise.
7904 * expmed.c (store_bit_field): Abort on align==0 to avoid
7905 antisocial machine behaviour.
7907 2000-08-12 Richard Henderson <rth@cygnus.com>
7909 * sibcall.c (uses_addressof): Accept both addressof and
7910 current_function_internal_arg_pointer inside a mem.
7911 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7912 if current_function_uses_addressof.
7913 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7916 2000-08-11 Richard Henderson <rth@cygnus.com>
7918 * config/ia64/ia64.md (addsi3): Remove expander.
7919 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7920 (*addsi3_shladd): New.
7922 2000-08-11 Richard Henderson <rth@cygnus.com>
7924 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7925 (do_restore): Likewise.
7926 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7927 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7928 (rtx_needs_barrier): Track actual bit manipulation for
7929 ar.unat moves, gr_spill, and gr_restore.
7930 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7931 (process_set): Don't handle varargs spills.
7932 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7933 .mem.offset here instead of in process_set.
7934 (gr_restore): Likewise.
7936 2000-08-11 Richard Henderson <rth@cygnus.com>
7938 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7940 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7942 * gcc.texi (The Configuration File): Document
7943 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7944 UPDATE_PATH_HOST_CANONICALIZATION.
7946 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7948 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7949 unprototyped function pointer casts on integer constants.
7951 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7953 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7955 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7957 * extend.texi (Volatiles): Fix typos.
7959 2000-08-11 Kazu Hirata <kazu@hxi.com>
7961 * flow.c: Fix formatting.
7963 2000-08-11 Richard Henderson <rth@cygnus.com>
7965 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7966 pattern, always allocate a tertiary scratch register.
7968 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7969 (reload_inhi): Likewise.
7971 2000-08-11 Richard Henderson <rth@cygnus.com>
7973 * function.c (put_reg_into_stack): Allow type to be NULL.
7974 (schedule_fixup_var_refs): Likewise.
7975 (gen_mem_addressof): Allow decl to be NULL.
7976 (put_addressof_into_stack): Likewise.
7978 * flow.c (merge_blocks_nomove): Be more careful about
7979 locating the beginning of block A.
7981 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7983 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7988 * config.in: Reverted the check for <sched.h>.
7990 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7992 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7993 macros define the name of CTOR and DTOR sections.
7994 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7995 DTOR_LIST_END): Change to use attributes to specify
7997 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7998 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7999 DTOR_LIST_END): Same as in mips/elf.h.
8001 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8003 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8004 disabling just crt0.o.
8006 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8008 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8009 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8010 (EXTRA_SPECS): Add them.
8011 * arm/lib1funcs.asm: Support builds for interworking.
8012 Use macros to eliminate duplicated pieces of code.
8014 2000-08-10 Kazu Hirata <kazu@hxi.com>
8016 * h8300.c (expand_a_rotate): New.
8017 (emit_a_rotate): Likewise.
8018 (h8300_adjust_insn_length): Add support for the rotate insns.
8019 * h8300.md (rotlqi3): New.
8020 (*rotlqi3_1): Likewise.
8021 (rotlhi3): Likewise.
8022 (*rotlhi3_1): Likewise.
8023 (rotlhi3): Likewise.
8024 (*rotlhi3_1): Likewise.
8025 * h8300-proto.h: Add prototypes for expand_a_rotate and
8028 * h8300.c: Fix comment typos.
8029 (dosize): Declare the variable amount as unsigned.
8030 (get_shift_alg): Fix a comparison between signed and unsigned.
8031 (emit_a_shift): Likewise.
8032 (h8300_adjust_insn_length): Simplify the code.
8034 * c-decl.c: Fix formatting.
8036 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8038 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8039 warning about non-traditional numeric constant suffixes.
8041 * cppexp.c (parse_number): Likewise.
8043 * invoke.texi: (-Wtraditional): Document new behavior.
8045 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8047 * gthr-posix.h: Include auto-host.h. Conditionally include
8049 * configure.in: Check for the <sched.h> header file.
8050 * config.in: Added define for HAVE_SCHED_H.
8052 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8054 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8055 initialization of unions.
8057 * invoke.texi (-Wtraditional): Document new behavior.
8059 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8061 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8062 instead of extra_c_flags.
8063 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8064 * configure: Regenerate.
8065 * config.in: Regenerate.
8067 * cpperror.c (cpp_type2name): New function.
8068 * cpplex.c (lex_line): If we issued an error for an invalid
8069 preprocessing directive, discard that logical line.
8070 * cpplib.c (do_line): Call a hook function if the current file
8071 is renamed by #line.
8072 (do_ident): Pass the contents of the string, not the entire
8073 token, to the callback function.
8074 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8075 (cb.rename_file): New hook function.
8076 (cb.ident): Adjust prototype.
8077 (cpp_type2name): Prototype.
8078 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8080 * cppmain.c (cb_ident): Update for changed interface.
8081 (cb_rename_file): New function.
8082 (main): Set rename callback.
8084 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8086 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8087 multi-word registers.
8089 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8091 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8092 or ISO C89 instead of ANSI C.
8093 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8094 build_enumerator, do_case): Likewise.
8095 * c-lex.c (parse_float, yylex): Likewise.
8096 * c-parse.in: Likewise.
8097 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8098 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8099 build_c_cast, convert_for_assignment, set_init_index,
8100 set_init_label, c_expand_start_case): Likewise.
8101 * toplev.c (documented_lang_options, display_help): Likewise.
8103 2000-08-08 Kazu Hirata <kazu@hxi.com>
8105 * h8300.c: Fix formatting.
8106 * h8300.h: Likewise.
8107 * h8300.md: Likewise.
8108 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8110 * reload1.c: Fix formatting.
8112 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8114 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8115 Use GEN_CALL_VALUE define.
8116 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8117 * clipper/clipper.md (untyped_call): Likewise.
8118 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8119 * fx80/fx80.md (untyped_call): Likewise.
8120 * mips/mips.md (untyped_call): Likewise.
8121 * ns32k/ns32k.md (untyped_call): Likewise.
8122 * pa/pa.md (untyped_call): Likewise.
8123 * romp/romp.md (untyped_call): Likewise.
8124 * sparc/sparc.md (untyped_call): Likewise.
8126 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8128 * config/i860/i860.c (singlemove_string): Do not generate assembler
8129 pseudo instructions that must be expanded (that is, with signed
8130 constants larger than 16 bits).
8132 2000-08-08 Richard Henderson <rth@cygnus.com>
8134 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8135 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8136 (init_propagate_block_info): Don't kill memory stores at -O0.
8137 (mark_set_1, mark_used_regs): Likewise.
8139 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8141 * rs6000.c (optimization_options): Decorate 'level' as
8143 (mask64_operand): Remove sign-extend thinko.
8144 (rldic_operand): New function.
8145 (load_multiple_operation): regno's are unsigned ints.
8146 (store_multiple_operation): Likewise.
8147 (lmw_operation): Likewise.
8148 (stmw_operation): Likewise.
8149 (includes_lshift_p): shift_mask is unsigned int.
8150 (includes_lshift64_p): New function.
8151 (addrs_ok_for_quad_peep): unsigned int reg1.
8152 (print_operand): Consistently add "else" after
8153 output_operand_lossage().
8154 (print_operand, case 'b'): Fold in case 'W'.
8155 (print_operand, case 'W'): Print rldic MB value.
8156 (output_epilogue): Update Objective-C language string.
8157 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8158 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8159 * rs6000.md (ashldi3): Add rldic instruction.
8160 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8161 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8164 2000-08-08 Richard Henderson <rth@cygnus.com>
8166 * config/ia64/ia64-protos.h: Remove duplicates. Update
8167 for massive code rearrangements.
8168 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8169 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8170 (ia64_local_regs, ia64_need_regstk): Remove.
8171 (ar_ccv_reg_operand): New.
8172 (ia64_gp_save_reg): New.
8173 (struct ia64_frame_info): Combine most of the size elements;
8174 add new gr save elements.
8175 (find_gr_spill): New.
8176 (next_scratch_gr_reg): New.
8177 (mark_reg_gr_used_mask): New.
8178 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8179 to GR backing store regs when possible.
8180 (ia64_initial_elimination_offset): New.
8181 (ia64_rap_fp_offset): Remove.
8182 (save_restore_insns): Remove.
8183 (setup_spill_pointers): New.
8184 (finish_spill_pointers): New.
8185 (spill_restore_mem): New.
8186 (do_spill, do_restore): New.
8187 (ia64_expand_prologue): Rewrite to use them.
8188 (ia64_expand_epilogue): Likewise.
8189 (ia64_direct_return): Update for current_frame_info changes.
8190 (ia64_function_prologue): Simplify .prologue emission. Emit
8192 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8193 (ia64_dbx_register_number): New.
8194 (ia64_initialize_trampoline): New.
8195 (ia64_secondary_reload_class): Request GR_REGS for integer
8196 arithmetic destined for FR_REGS.
8197 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8198 (ia64_mark_machine_status): Mark ia64_gp_save.
8199 (rws_access_regno): Rename from rws_access_reg; don't treat
8200 predicates specially.
8201 (rws_access_reg): New. Update all callers.
8202 (rtx_needs_barrier): Remove dead unspecs.
8203 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8204 (ia64_encode_section_info): Silence signed/unsigned warnings.
8205 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8206 (tmp_reg, tmp_saved): Remove.
8207 (process_set): Rewrite to expect complicated bits via
8208 REG_FRAME_RELATED_EXPR.
8209 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8210 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8211 (ia64_expand_op_and_fetch): Likewise.
8212 (ia64_expand_compare_and_swap): Likewise.
8213 (ia64_expand_builtin): Likewise.
8214 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8215 (FIRST_PSEUDO_REGISTER): Update.
8216 (AR_M_REGNO_P): Update.
8217 (FIXED_REGS): Don't mark three local registers as used.
8218 (EXTRA_CC_MODES): New.
8219 (SELECT_CC_MODE): New.
8220 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8221 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8222 (FRAME_GROWS_DOWNWARD): Unset.
8223 (STARTING_FRAME_OFFSET): Zero.
8224 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8225 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8226 (HARD_FRAME_POINTER_REGNUM): New.
8227 (CAN_DEBUG_WITHOUT_FP): Define.
8228 (TRAMPOLINE_TEMPLATE): Remove.
8229 (TRAMPOLINE_SIZE): Lower to 32.
8230 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8231 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8232 (PREDICATE_CODES): Update.
8233 (struct machine_function): Add ia64_gp_save.
8234 * config/ia64/ia64.md: Purge unused unspecs.
8235 (movsi patterns): Allow moves to/from AR_M_REGS.
8236 (movdi patterns): Allow moves to/from p0.
8237 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8238 (gr_spill, gr_restore): Indicate ar.unat read/written.
8239 (nonlocal_goto): Don't pass old frame_pointer.
8240 (nonlocal_goto_receiver): Remove.
8241 (exception_receiver): New.
8242 (builtin_setjmp_setup): New.
8243 (builtin_setjmp_receiver): New.
8244 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8245 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8246 (__ia64_restore_stack_nonlocal): Likewise.
8247 (__ia64_trampoline): New.
8248 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8250 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8252 2000-08-08 Richard Henderson <rth@cygnus.com>
8254 * frame.h (ia64_frame_state): Add my_psp.
8255 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8256 (__throw): Pass it in. Don't clobber r7.
8257 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8258 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8259 and nothing to do with sp.
8260 (normalize_reg_loc): Use frame->my_psp.
8261 (frame_translate): Handle frame-pointer-less functions. Set
8262 spill_base correctly, in absence of being told.
8263 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8264 (__ia64_backtrace_helper): New sp argument. Use
8265 builtin_return_address instead of label addresses.
8266 (print_record) [mem_stack_v]: No size member.
8268 2000-08-08 Richard Henderson <rth@cygnus.com>
8270 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8272 2000-08-08 Richard Henderson <rth@cygnus.com>
8274 * tm.texi (LOCAL_REGNO): Document.
8275 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8276 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8277 * reload1.c (reload): Likewise when considering nonlocal labels.
8279 * config/ia64/ia64.h (LOCAL_REGNO): New.
8280 * config/sparc/sparc.h (LOCAL_REGNO): New.
8282 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8284 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8286 2000-08-07 Nick Clifton <nickc@redhat.com>
8288 * config/mips/mips.c: Fix compile time warning messages.
8289 * config/mips/mips-protos.h: Add prototype for equality_op.
8291 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8293 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8295 * mn10300.md: Use nonimmediate_operand instead of general_operand
8298 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8300 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8302 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8303 * sh.c (expand_block_move): Break long lines.
8304 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8305 * sh.md (mulsi3): Likewise.
8306 (movdi): Adjust spacing.
8308 2000-08-07 Richard Henderson <rth@cygnus.com>
8310 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8311 * expr.c (emit_group_store): Don't set it.
8313 2000-08-07 Kazu Hirata <kazu@hxi.com>
8315 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8316 duplicate entries for 'w' and 'z'.
8318 * flow.c: Fix a comment typo.
8320 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8322 * c-parse.in: Changed the language string for Objective-C to "GNU
8325 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8327 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8328 to improve the Posix thread support for Objective-C.
8330 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8332 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8333 CTI_UNSIGNED_PTRDIFF_TYPE.
8334 (signed_size_type_node): Define.
8335 (unsigned_ptrdiff_type_node): Define.
8336 * c-decl.c (init_decl_processing): Create the
8337 signed_size_type_node and unsigned_ptrdiff_type_node types.
8338 * c-common.c (T_SC): Define.
8341 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8342 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8344 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8345 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8346 flags for %c, %s and %[.
8347 (check_format_info): Only allow leniency for signedness of targets
8348 of character pointers (when pedantic) for formats flagged with
8349 "c", so for strings but not for %hh formats. When pedantic, don't
8350 allow character pointers to substitute for void pointers if a
8351 second level of indirection is present.
8353 2000-08-06 Kazu Hirata <kazu@hxi.com>
8355 * invoke.texi (Options for Debugging Your Program or GCC): Update
8356 the names of dump files.
8358 * h8300.c (dosize): Rearrange code for conciseness.
8359 (split_adds_subs): Likewise.
8361 * loop.c: Fix formatting.
8363 * dwarf2out.c: Fix formatting.
8365 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
8367 * expr.c: Fix formatting.
8369 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8371 * rs6000.c (rs6000_maybe_dead): Prototype.
8373 2000-08-06 Richard Henderson <rth@cygnus.com>
8375 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
8376 HAVE_nonlocal_goto as well.
8377 * config/i960/i960.md (nonlocal_goto): Don't do it here.
8378 * config/pj/pj.md (nonlocal_goto): Likewise.
8380 2000-08-07 Michael Hayes <mhayes@cygnus.com>
8382 * loop.c (try_swap_copy_prop): New function.
8383 (load_mems): Rename copies to load_copies and add new regset
8384 store_copies. Check for sets of shadow registers and mark
8385 in store_copies. Call try_swap_copy_prop for registers
8386 marked in store_copies.
8388 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8390 * objc/objc-act.c: New command line option -fconstant-string-class
8391 to allow specifying a user defined constant string class,
8392 different from NXConstantString.
8394 * toplev.c: Moved the Objective-C specific options to
8395 objc/lang-options.h.
8397 * objc/lang-options.h: Moved the Objective-C specific options from
8398 toplev.c. Added -fconstant-string-class.
8400 2000-08-05 Chris Demetriou <cgd@sibyte.com>
8402 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8403 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
8404 __CTOR_LIST__ from func_ptr array to just func_ptr, to
8405 avoid extra alignment imposed on arrays.
8406 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8407 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
8409 * mips.h: Clean up comments and spacing near MASKs.
8410 (TARGET_UNIX_ASM): Delete.
8411 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
8412 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
8415 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
8417 * c-common.c (print_char_table): Add entries for the X/Open '
8418 format flag (print decimals with locale's thousands grouping
8419 character). Make %C expect wint_t.
8420 (check_format_info): If pedantic, warn when the %n$ operand
8421 number form is used. Allow for the ' flag; warn about it if
8424 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
8426 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
8427 type is a float mode, cfun->decl's return type is not, and
8428 TARGET_FLOAT_RETURNS_IN_80387.
8430 2000-08-04 Andreas Schwab <schwab@suse.de>
8432 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
8433 token list, which are always `#' and `pragma'.
8435 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
8437 * tree.c (tree_expr_nonnegative_p): Move to...
8438 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
8439 (rtl_expr_nonnegative_p): New.
8440 * tree.h: Add prototype for rtl_expr_nonnegative_p.
8442 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
8443 CONST_DOUBLE_CHAIN: Move to...
8444 * rtl.h: ...here. Use XCINT/XCEXP.
8446 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
8447 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
8448 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
8451 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
8453 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8455 * config/c4x/c4x.md (return_indirect_internal): New.
8456 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
8458 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8460 * c-common.c (time_char_table): Mark up formats added in C99 and
8461 make other corrections. %D and %g were added in C99. %Og is an
8462 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
8463 C99. %e was added in C99. %Oj is an extension. %G and %z are in
8464 C99 rather than GNU extensions, but %OG and %Oz are extensions.
8465 %h was added in C99. %C was added in C99. %OY and %OC are
8466 extensions. Add the C99 format %F.
8467 (check_format_info): If pedantic and not in C99 mode, warn for C99
8470 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8472 * function.c (schedule_fixup_var_refs): New function, broken out
8473 of put_reg_into_stack.
8474 (put_reg_into_stack): Use it.
8475 (put_var_into_stack): In CONCAT case, fixup up references for
8476 components only after fixing up references to the whole concat.
8478 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
8480 * alias.c (mark_constant_function): Use INSN_P.
8481 (init_alias_analysis): Likewise.
8482 * combine.c (combine_instructions): Use INSN_P.
8483 (can_combine_p): Likewise.
8484 (try_combine): Likewise.
8485 (distribute_notes): Likewise.
8486 (distribute_links): Likewise.
8487 * cse.c (cse_around_loop): Use INSN_P.
8488 (invalidate_skipped_block): Likewise.
8489 (cse_set_around_loop): Likewise.
8490 (cse_end_of_basic_block): Likewise.
8491 (delete_trivially_dead_insns): Likewise.
8492 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
8493 (unshare_all_rtl_1): Likewise.
8494 (next_cc0_user): Likewise.
8495 (try_split make_insn_raw): Likewise.
8496 (remove_unnecessary_notes): Likewise.
8497 * final.c (shorten_branches): Use INSN_P.
8498 (leaf_renumber_regs): Likewise.
8499 (leaf_renumber_regs_insn): Likewise.
8500 * flow.c (find_label_refs): Use INSN_P.
8501 (verify_wide_reg): Likewise.
8502 (notice_stack_pointer_modification): Likewise.
8503 (count_or_remove_death_notes): Likewise.
8504 (verify_flow_info): Likewise.
8505 (clear_log_links): Likewise.
8506 * function.c (fixup_var_refs_insns): Use INSN_P.
8507 (compute_insns_for_mem): Likewise.
8508 * gcse.c (alloc_gcse_mem): Use INSN_P.
8509 (compute_sets): Likewise.
8510 (compute_hash_table): Likewise.
8511 (classic_gcse): Likewise.
8513 (insert_insn_end_bb): Likewise.
8514 (delete_null_pointer_checks_1): Likewise.
8515 * global.c (expand_preferences): Use INSN_P.
8516 (build_insn_chain): Likewise.
8517 * graph.c (node_data): Use INSN_P.
8518 * haifa-sched.c (priority): Use INSN_P.
8519 (rm_line_notes): Likewise.
8520 (rm_other_notes): Likewise.
8521 (find_insn_reg_weight): Likewise.
8522 (init_target_units): Likewise.
8523 (schedule_block): Likewise.
8524 (compute_block_forward_dependences): Likewise.
8525 (debug_dependencies): Likewise.
8526 (set_priorities): Likewise.
8527 * integrate.c (function_cannot_inline_p): Use INSN_P.
8528 (save_parm_insns): Likewise.
8529 (copy_insn_list): Likewise.
8530 * jump.c (mark_all_labels): Use INSN_P.
8531 (never_reached_warning): Likewise.
8532 * lcm.c (optimize_mode_switching): Use INSN_P.
8533 * local-alloc.c (validate_equiv_mem): Use INSN_P.
8534 (memref_used_between_p): Likewise.
8535 (update_equiv_regs): Likewise.
8536 (block_alloc): Likewise.
8537 (no_conflict_p): Likewise.
8538 * loop.c (scan_loop): Use INSN_P.
8539 (find_and_verify_loops): Likewise.
8540 (count_loop_regs_set): Likewise.
8541 (loop_reg_used_before_p): Likewise.
8542 (strength_reduce): Likewise.
8543 (recombine_givs): Likewise.
8544 (check_dbra_loop): Likewise.
8545 (load_mems): Likewise.
8546 (try_copy_prop): Likewise.
8547 * print-rtl.c (print_rtx): Use INSN_P.
8548 * recog.c (find_single_use): Use INSN_P.
8549 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
8550 (next_flags_user): Likewise.
8551 (swap_rtx_condition): Likewise.
8552 * regmove.c (mark_flags_life_zones): Use INSN_P.
8553 (optimize_reg_copy_1): Likewise.
8554 (optimize_reg_copy_2): Likewise.
8555 (optimize_reg_copy_3): Likewise.
8556 (reg_is_remote_constant_p): Likewise.
8557 (fixup_match_2): Likewise.
8558 (regmove_optimize): Likewise.
8559 (fixup_match_1): Likewise.
8560 * regrename.c (build_def_use): Use INSN_P.
8561 (replace_reg_in_block): Likewise.
8562 (consider_use): Likewise.
8563 * reload.c (find_equiv_reg): Use INSN_P.
8564 * reload1.c (reload): Use INSN_P.
8565 (maybe_fix_stack_asms): Likewise.
8566 (calculate_needs_all_insns): Likewise.
8567 (reload_as_needed): Likewise.
8568 (emit_output_reload_insns): Likewise.
8569 (delete_address_reloads_1): Likewise.
8570 (reload_cse_regs_1): Likewise.
8571 (reload_combine): Likewise.
8572 (reload_cse_move2add): Likewise.
8573 * reorg.c (redundant_insn): Use INSN_P.
8574 (dbr_schedule): Likewise.
8575 * resource.c (find_dead_or_set_registers): Use INSN_P.
8576 (mark_target_live_regs): Likewise.
8577 * rtlanal.c (reg_used_between_p): Use INSN_P.
8578 (reg_referenced_between_p): Likewise.
8579 (reg_set_between_p): Likewise.
8580 (reg_set_p): Likewise.
8581 (single_set): Likewise.
8582 (multiple_sets): Likewise.
8583 (find_last_value): Likewise.
8584 (reg_set_last): Likewise.
8585 (find_reg_note): Likewise.
8586 (find_regno_note): Likewise.
8587 * sibcall.c (sequence_uses_addressof): Use INSN_P.
8588 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
8589 * ssa.c (find_evaluations): Use INSN_P.
8590 (rename_block): Likewise.
8591 (rename_equivalent_regs): Likewise.
8592 * unroll.c (loop_find_equiv_value): Use INSN_P.
8593 (set_dominates_use): Likewise.
8594 * varasm.c (mark_constant_pool): Use INSN_P.
8595 (mark_constants): Likewise.
8596 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
8597 (alphaev4_next_group): Likewise.
8598 (alphaev5_next_group): Likewise.
8599 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
8600 (c4x_rptb_rpts_p): Likewise.
8601 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
8602 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
8603 (rs6000_adjust_priority): Likewise.
8604 * config/sh/sh.c (sh_loop_align): Use INSN_P.
8605 (machine_dependent_reorg): Likewise.
8606 (split_branches): Likewise.
8607 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
8609 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
8611 * combine.c (recog_for_combine): Remove the old notes
8612 prior to attempting to recognize the new pattern.
8613 (distribute_notes): Ignore REG_NONNEG notes.
8615 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
8617 * varasm.c (output_constructor): Add .align 0 for packed vars.
8619 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8621 * configure.in: Use default thread_file even when enable_threads is
8622 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
8623 * configure: Rebuilt.
8625 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
8627 2000-08-04 Donn Terry (donnte@microsoft.com)
8629 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
8631 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
8633 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
8634 Delete code that conditionally modifies 'version'.
8635 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
8636 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
8637 * gcc.c (main): Use it.
8638 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
8639 * prefix.c (update_path): Use it.
8640 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
8641 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
8642 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
8644 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
8645 (SUBTARGET_SWITCHES): Adjust.
8646 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
8648 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
8650 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8652 * c-common.h (flag_isoc94): Declare.
8653 * c-decl.c (flag_isoc94): Define.
8654 (c_decode_option): Set flag_isoc94 as appropriate.
8655 * c-common.c (T_PD, T_IM, T_UIM): Define.
8656 (format_char_info): Add tlen and jlen.
8657 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
8659 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
8661 (time_char_table): Add NULL entries for %t and %j.
8662 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
8663 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
8664 Warn for printf %lf if pedantic and not C99. Don't warn for empty
8665 precision. Allow precision argument to be unsigned int. If
8666 pedantic, warn for %p passed an argument not a pointer to possibly
8667 qualified void or a possibly qualified character type, and for
8668 pointer targets of the wrong sign, except for character pointers.
8670 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8672 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
8673 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
8674 (wint_type_node): Define.
8675 * c-decl.c (WINT_TYPE): Define.
8676 (init_decl_processing): Create the wint_type_node type.
8677 * c-common.c (T_WI): Define.
8678 (print_char_table): Use T_WI for %lc format.
8680 2000-08-04 Bruce Korb <bkorb@gnu.org>
8682 * fixinc/: Verified that the MSDOS patch does not break
8683 the UNIX functionality and applied the next three patches
8686 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
8688 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
8689 output file with the temporary one by appending ".X" to generate
8690 the temporary fuile's name. If the output file already has an
8691 extension, replace it with ".X".
8693 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
8694 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
8695 reallocate the command buffer while copying the command-line
8696 argument. Redirect the output directly to the temporary file,
8697 instead of going through another temporary file.
8698 (process): Close the temporary file before unlinking it.
8699 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
8700 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
8701 (run_compiles): Pass p_fixd argument to machine_matches, as it
8704 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
8705 environment, assume there are no symlinks in the include
8706 directory. When cleaning up the DONE files, look for them
8707 case-insensitively. Don't try to remove symlinks if they aren't
8710 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
8711 all callers changed. Declare pz "const char *", to avoid compiler
8714 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
8715 Change prototype of make_raw_shell_str.
8717 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
8719 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
8720 (initialize) [__MSDOS__]: Use tempnam.
8721 (initialize): Don't use SIGPIPE if it is not defined.
8723 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
8726 2000-07-25 Bruce Korb <bkorb@gnu.org>
8728 * fixinc/fix*.[ch]: substantially reworked to make it possible
8729 to run this program without using fork(2) or pipe(2) (i.e. in
8732 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8734 * cppdefault.h (WINT_TYPE): Define.
8735 * cppinit.c (builtin_array): Define __WINT_TYPE__.
8736 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
8737 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
8739 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
8741 * (mips_legitimate_address_p): Don't allow register+offset
8742 if the offset is large and negative, and we are compiling
8743 for 64 bit registers.
8745 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8747 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
8748 insn_code_number + 1.
8750 2000-08-04 Kazu Hirata <kazu@hxi.com>
8752 * h8300.c (function_prologue): Rearrange code for conciseness.
8753 (function_epilogue): Likewise.
8754 * h8300.h (OK_FOR_U): Fix formatting.
8756 * cse.c: Fix a comment typo. Fix formatting.
8758 2000-08-03 Richard Henderson <rth@cygnus.com>
8760 * config/i386/i386.md (return_indirect_internal): New.
8761 * config/i386/i386.c (ix86_expand_epilogue): Use it.
8763 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
8765 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
8767 (lex_line): Glue @ onto the beginning of identifiers and
8768 string constants, in Objective-C mode.
8769 (output_token, spell_token): Handle CPP_OSTRING.
8770 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
8771 beginning of a NAME or a STRING, in objc mode.
8773 * cpplib.c (get_define_node): Do not permit identifiers that
8774 begin with @ to be #defined.
8775 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
8776 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
8778 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
8779 * c-tree.h (build_objc_string): Delete prototype.
8780 * objc/objc-tree.def: Delete OBJC_STRING_CST.
8781 * c-lex.c (yylex): Use build_string for all three kinds of strings.
8783 * c-parse.in, objc/objc-act.c: Update commentary.
8785 2000-08-03 Mark Mitchell <mark@codesourcery.com>
8787 * extend.texi: Fix typo in last change.
8789 * extend.texi: Add commentary on statement-expressions and their
8790 interactions with C++.
8792 2000-08-03 Nick Clifton <nickc@cygnus.com>
8794 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
8795 * dwarf.h (LANG_JAVA): Change value to 0x000b.
8797 2000-08-03 Anthony Green <green@cygnus.com>
8799 * dwarf2out.c (gen_compile_unit_die): Add java language support.
8800 (add_bound_info): Check for java language.
8801 (is_java): New function.
8802 * dwarfout.c (output_compile_unit_die): Ditto.
8803 * dwarf.h (dwarf_source_language): Add java source language type.
8804 * dwarf2.h (dwarf_source_language): Ditto.
8806 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8808 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
8811 * i386.c (ix86_expand_branch): Mode of comparison in
8812 IF_THEN_ELSE is VOIDmode.
8814 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
8816 * gengenrtl.c, rtl.c: Avoid #elif.
8818 2000-08-03 Michael Poole <poole@troilus.org>
8820 * tm.texi (Register Classes): Clarify order of sub-initializers
8821 in REG_CLASS_CONTENTS.
8823 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8825 From SAITOH Masanobu:
8826 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
8828 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
8830 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
8831 is not supported by tradcpp and isn't actually needed for cygwin.
8833 2000-08-03 Kazu Hirata <kazu@hxi.com>
8835 * h8300.c: Fix a comment typo.
8836 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
8838 * jump.c: Fix formatting.
8840 * toplev.c: Fix formatting.
8842 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
8844 * flow.c (find_auto_inc): Verify that we've got a REG before
8845 peeking at its regno. Fail, don't abort if we can't find
8846 the increment of the desired register.
8848 * pa.md (shadd height reduction patterns/splitters): Remove.
8850 2000-08-02 Jim Wilson <wilson@cygnus.com>
8852 * config/ia64/ia64-protos.h (flag_ssa): Declare.
8853 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
8855 2000-08-02 Mark Mitchell <mark@codesourcery.com>
8857 * dce.c: Remove all uses of assert.
8858 * dwarf2out.c: Likewise.
8859 * dwarfout.c: Likewise.
8862 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8864 * gcc.h (lang_specific_driver): Constify second argument.
8865 * gcc.c (translate_options, process_command, main): Likewise.
8866 Constify variables to match. Cast second argument to
8869 * cppspec.c, gccspec.c: Adjust type of second argument to
8870 lang_specific_driver, and update code as necessary.
8872 2000-08-02 Jakub Jelinek <jakub@redhat.com>
8874 * loop.c (scan_loop): Ensure update_end label does not
8875 go away until reg_scan_update is run.
8877 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8879 * c-common.h: Prototype min_precision and c_build_qualified_type here...
8880 * c-tree.h: ... not here.
8881 * errors.h: Prototype fancy_abort.
8883 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
8884 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8885 * regrename.c (regrename_optimize): Make control flow explicit.
8886 (replace_reg_in_block): Initialize reg_use to 0.
8888 * i386.c (legitimate_address_p): Rename error label to
8889 report_error to avoid namespace clash.
8891 2000-08-02 Kazu Hirata <kazu@hxi.com>
8893 * fold-const.c: Fix formatting.
8895 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8897 * i386.c (legitimate_address_p): Accept other bases than
8898 pic_offset_table_rtx for GOTOFF constructs.
8900 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8902 * i386.md (shift to lea splitter): Use const_int_operand.
8904 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8906 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8907 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8910 * cppmain.c (cb_define, cb_undef): Don't generate any output
8911 if not done_initializing.
8912 * cpplex.c (maybe_paste_with_next): When the token after a ##
8913 is an omitted rest argument, only delete the token before it
8914 if that token is a comma. Do not warn about bogus token
8915 pastes for , ## rest_arg.
8918 * cpp.1: Regenerate.
8920 2000-08-02 Fred Fish <fnf@be.com>
8922 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8923 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8926 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8927 Be directories to search path.
8929 Remove support for __declspec(dllimport) and __declspec(dllexport).
8930 This is leftover cruft from the earlier BeOS gcc port when BeOS
8931 used Microsoft's PE object file format.
8932 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8933 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8934 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8935 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8936 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8937 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8938 (REDO_SECTION_INFO_P): Remove.
8939 (ASM_EXPORT_DECL): Remove.
8940 (ASM_DECLARE_FUNCTION_NAME): Remove.
8941 (ASM_DECLARE_OBJECT_NAME): Remove.
8942 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8943 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8944 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8945 (STRIP_NAME_ENCODING): Remove.
8947 Remove support for obsolete version of BeOS that is no longer
8949 * configure.in (i*86-*-beospe*): Remove.
8950 * config/i386/beos-pe.h: Remove.
8952 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8953 Mark Mitchell <mark@codesourcery.com>
8955 * Makefile.in (OBJS): Added dce.o.
8956 (ssa.o): Updated target to include ssa.h.
8958 (toplev.o): Likewise.
8959 (dce.o): Created target.
8960 * basic-block.h: Added comments.
8961 (INVALID_BLOCK): Added definition.
8962 (connect_infinite_loops_to_exit): Added declaration.
8963 Moved SSA declarations to ssa.h.
8964 * flow.c: Added inclusion of ssa.h.
8965 (struct depth_first_search_dsS, depth_first_search_ds):
8967 (compute_immediate_postdominators): Added definition.
8968 (connect_infinite_loops_to_exit): Likewise.
8969 (flow_dfs_compute_reverse_init): Likewise.
8970 (flow_dfs_compute_reverse_add_bb): Likewise.
8971 (flow_dfs_compute_reverse_execute): Likewise.
8972 (flow_dfs_compute_reverse_finish): Likewise.
8973 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8974 (LABEL_P): Added definition.
8977 (BARRIER_P): Likewise.
8978 (JUMP_TABLE_DATA_P): Likewise.
8979 (INSN_DEAD_CODE_P): Likewise.
8980 * ssa.c: Replaced inclusions with ssa.h inclusion.
8981 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8982 (rename_registers): Removed unnecessary variables.
8983 * ssa.h: Created by moving declarations from ssa.c and
8985 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8986 * toplev.c: Added ssa.h inclusion.
8987 (dump_file_index): Added DFI_dce.
8988 (dump_file): Added "dce" entry.
8990 (f_options): Added dce entry.
8991 * invoke.texi: Document -fdce. Emphasize experimental status of
8995 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8997 * cpperror.c (v_message): Split into _cpp_begin_message and
8998 v_message macro. All callers updated.
8999 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9002 * cppfiles.c (cpp_syshdr_flags): New function.
9003 (read_include_file): Don't call cpp_output_tokens. Call
9005 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9006 (cpp_reader_init): Don't initialize token_buffer. Call
9007 _cpp_init_internal_pragmas.
9008 (cpp_cleanup): Don't clear token_buffer.
9009 (cpp_start_read): Don't worry about output from -D processing.
9010 Don't call cpp_output_tokens.
9011 (cpp_finish): Don't dump macros here. Don't call
9013 * cppmacro.c (_cpp_dump_definition): Rename
9014 cpp_dump_definition. Write directly to a FILE *.
9015 (dump_funlike_macro): Delete.
9016 (dump_macro_args): New.
9018 * cpplex.c (TOKEN_LEN): Convert to inline function.
9019 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9020 cpp_scan_line, _cpp_dump_list): Delete.
9021 (cpp_printf, cpp_output_list): New.
9022 (output_line_command): Don't worry about entering or leaving files.
9023 (cpp_scan_buffer): Just output each token as we hit it.
9024 (process_directive): Don't call cpp_output_tokens.
9025 (_cpp_glue_header_name): Don't use token_buffer.
9026 (output_token, dump_param_spelling): Write directly to a FILE *.
9028 * cpplib.c (pass_thru_directive, dump_macro_name,
9029 pragma_dispatch, do_pragma_gcc): Delete.
9030 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9031 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9033 (do_error, do_warning, pragma_dependency): Call
9034 _cpp_begin_message, then cpp_output_list.
9035 (cpp_register_pragma, cpp_register_pragma_space,
9036 _cpp_init_internal_pragmas): New.
9037 (do_pragma): Walk the pragmas table here.
9038 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9039 do_pragma_dependency): Return void.
9040 (do_pragma_implementation): Moved to cppmain.c.
9042 * cpplib.h: Update prototypes.
9043 (struct cpp_reader): Remove printer, token_buffer,
9044 token_buffer_size, and limit. Add struct cb, and pragmas.
9045 (struct cpp_printer): Remove last_id and written.
9046 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9047 CPP_ADJUST_WRITTEN): Delete.
9048 * cpphash.h: Update prototypes.
9049 (ufputs): New wrapper.
9051 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9052 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9053 (main): Set up callbacks. Register #pragma implementation.
9054 Dump macros from here.
9056 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9058 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9059 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9060 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9061 insns if they have a REG_MAYBE_DEAD note attached.
9062 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9063 (rs6000_emit_load_toc_table): TOC loads may go dead.
9065 2000-08-01 Jim Wilson <wilson@cygnus.com>
9067 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9068 type exists before using it. Use number of words as alignment
9070 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9071 ia64_va_arg): Propagate ia64_function_args changes here.
9073 2000-08-01 Richard Henderson <rth@cygnus.com>
9075 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9076 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9078 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9080 From Joern Rennecke:
9081 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9082 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9083 unless TARGET_SH3E is set.
9084 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9086 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9087 (ashlsi3_std): New pattern.
9088 (ashlsi3 expander): Use it for TARGET_SH3.
9089 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9091 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9093 * loop.c (canonicalize_condition): Use destination, not source to
9094 determine SET's mode.
9096 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9098 * flow.c (clear_log_links): Fix typo.
9100 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9102 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9103 on targets which need more than one insn for a compare/cbranch
9106 2000-07-31 Jim Wilson <wilson@cygnus.com>
9108 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9109 when computing offset.
9111 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9113 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9115 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9117 * flow.c (clear_log_links): Nuke global_live_at_start and
9118 global_live_at_end data, since if the log_links stuff is invalid
9119 so is global_live_at_*.
9121 2000-07-31 Richard Henderson <rth@cygnus.com>
9123 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9125 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9127 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9128 (_cpp_get_token): Don't macro expand a just pasted token if it
9129 was pasted at no_expand_level.
9131 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9133 * cppmacro.c (find_param, count_params, save_expansion):
9134 Permit 'defined' as a macro parameter name.
9136 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9138 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9139 xcpp to cpp throughout.
9140 (native): Remove unnecessary dependency on cpp.
9142 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9143 tradcpp to tradcpp0.
9144 (.i spec): Add missing output-file spec to cc1 command line.
9145 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9147 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9149 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9150 (implicit_decl_warning): New function.
9151 (implicitly_declare): Use it.
9152 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9153 to complain about implicit decls of builtins.
9155 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9156 based on pedantic && flag_isoc99, if not already set.
9157 * c-tree.h: Declare mesg_implicit_function_declaration.
9158 Prototype implicit_decl_warning.
9160 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9162 * Makefile.in (ssa.o): Updated header files in dependences.
9163 * basic-block.h: Added compute_immediate_postdominators declaration.
9164 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9166 * flow.c (compute_immediate_dominators): Updated comment.
9167 (compute_immediate_postdominators): Added definition.
9168 * rtl.h (HARD_REGISTER_P): Added definition.
9169 * ssa.c: Include additional header files.
9170 (assert): Added definition.
9171 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9172 include select hard registers.
9173 (ssa_rename_to_insert): Likewise.
9174 (ssa_rename_from_initialize): Likewise.
9175 (ssa_rename_from_lookup): Likewise.
9176 (original_register): Likewise.
9177 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9178 include select hard reigsters.
9179 (ssa_rename_from_traverse): Likewise.
9180 (ssa_rename_from_free): Likewise.
9181 (ssa_rename_from_print): Likewise.
9182 (ssa_rename_from_print_1): Likewise.
9183 (ssa_rename_from_hash_function): Likewise.
9184 (ssa_rename_from_equal): Likewise.
9185 (ssa_rename_from_delete): Likewise.
9186 (simplify_to_immediate_dominators): Removed in favor of
9187 flow.c:compute_immediate_dominators.
9188 (find_evaluations_1): Modified to work with hard registers.
9189 (insert_phi_node): Likewise.
9190 (insert_phi_nodes): Likewise.
9191 (struct rename_set_data): Updated prev_reg comment.
9192 (create_delayed_rename): Modified to work with hard registers.
9193 (RENAME_NO_RTX): Updated comment.
9194 (apply_delayed_renames): Modified to work with hard registers.
9195 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9196 (rename_block): Updated to use revised ssa_rename_to interface.
9197 (rename_registers): Updated to use revised ssa_rename_to and
9198 ssa_rename_from interface.
9199 (convert_to_ssa): Revised to use compute_immediate_dominators and
9200 deal with hard registers.
9201 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9202 registers. Added check for illegal unification of hard register.
9203 (make_equivalent_phi_alternatives_equivalent): Modified to work
9204 with hard registers.
9205 (compute_conservative_reg_partition): Likewise.
9206 (coalesce_if_unconflicting): Modified to work with hard registers
9207 and check for conflicting hard registers.
9208 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9210 (rename_equivalent_regs_in_insn): Modified to work with hard
9212 (record_canonical_element_1): Added definition.
9213 (check_hard_regs_in_partition): Added definition.
9214 (convert_from_ssa): Added data structure deallocation and check
9215 for illegal hard register unification.
9216 (conflict_hard_regs_p): Added definition.
9217 * toplev.c (rest_of_compilation): Added comment.
9219 2000-07-31 Anthony Green <green@redhat.com>
9221 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9223 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9225 * builtins.c (expand_builtin_apply): Don't defer pop during
9228 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9230 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9231 preferred_unit_stack_boundary when it is > 1.
9233 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9235 * c-common.c (init_function_format_info): Add C99 format functions
9238 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9239 void' or 'register void' as being the special case of 'void' alone
9240 in a parameter list.
9242 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9243 discarding qualifiers into a plain warning.
9245 2000-07-31 Kazu Hirata <kazu@hxi.com>
9247 * combine.c: Fix formatting.
9249 * h8300.md: Fix formatting.
9251 * local-alloc.c: Fix formatting.
9253 * h8300.c (get_shift_alg): Remove the variable alg.
9254 (emit_a_shift): Rearrange code to improve readability.
9256 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9258 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9259 HImode on all architectures and a combination of HImode and SImode
9260 on H8/300H and H8/S.
9262 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9264 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9266 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9269 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9271 * recog.c (extract_insn): Set operand_mode according to
9272 operand if match_operand is VOIDmode.
9274 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9276 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9278 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9280 * c-parse.in (extdefs): Call ggc_collect between external
9283 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9284 Richard Henderson <rth@cygnus.com>
9286 * Makefile.in (OBJS): Add doloop.o.
9287 * doloop.c: New file.
9289 * final.c (insn_current_reference_address): Return 0 before final.
9290 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9291 * jump.c (any_uncondjump_p): Likewise.
9292 * loop.c (indirect_jump_in_function): Make static.
9293 (strength_reduce): Call doloop_optimize.
9294 (insert_bct, instrument_loop_bct): Remove.
9295 * loop.h (doloop_optimize): Prototype.
9296 * recog.c (split_all_insns): Split all INSN_P.
9297 * toplev.c (flag_branch_on_count_reg): Default on.
9299 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9300 flag_branch_on_count_reg.
9301 * config/i386/i386.c (override_options): Likewise.
9302 * config/rs6000/rs6000.c (optimization_options): Likewise.
9304 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9306 (dbra_ge): Remove, as well as all it's splitters.
9308 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9311 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9312 (ia64_register_move_cost): Declare.
9313 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9314 (struct ia64_frame_info): Add ar_size.
9315 (ia64_compute_frame_size): Set it.
9316 (save_restore_insns): Save and restore ar.lc.
9317 (ia64_register_move_cost): New, moved from header file. Handle
9318 application registers.
9319 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9320 (emit_insn_group_barriers): Special case doloop_end_internal.
9321 (ia64_epilogue_uses): Mark ar.lc live at end.
9322 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9323 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9324 (FIRST_PSEUDO_REGISTER): Make room.
9325 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9326 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9327 (REG_ALLOC_ORDER): Update.
9328 (HARD_REGNO_MODE_OK): Update.
9329 (REGISTER_NAMES): Update.
9330 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9331 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9332 (REGNO_REG_CLASS): Update.
9333 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9334 (REGISTER_MOVE_COST): Move out of line.
9335 (PREDICATE_CODES): Update.
9336 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9337 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9338 (shladd_elim splitter): Allow constants in the predicate.
9339 (doloop_end, doloop_end_internal): New.
9341 2000-07-30 Richard Henderson <rth@cygnus.com>
9343 * genattrtab.c (struct insn_def): Add lineno member.
9344 (struct insn_ent): Likewise.
9345 (struct attr_desc): Likewise.
9346 (struct delay_desc): Likewise.
9347 (struct function_unit_op): Likewise.
9348 (struct function_unit): Likewise.
9349 (check_attr_value): Use message_with_line.
9350 (check_defs): Likewise.
9351 (expand_units): Likewise.
9352 (check_attr_test): Take a lineno argument.
9353 (gen_attr): Likewise.
9354 (gen_insn): Likewise.
9355 (gen_delay): Likewise.
9356 (gen_unit): Likewise.
9357 (main): Give it to them.
9358 (convert_set_attr_alternative): Take an insn_def argument
9359 instead of num_alt and insn_index.
9360 (convert_set_attr): Likewise.
9361 (write_test_expr): Protect INSN_ADDRESSES load
9362 with INSN_ADDRESSES_SET_P.
9364 2000-07-30 Richard Henderson <rth@cygnus.com>
9366 * flow.c (init_propagate_block_info): Use pc_set.
9368 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9370 * i386.md (*lea_general_[123]) New insns and splits.
9371 (addsi3 to lea splitter): Handle other modes too.
9372 (shlsi3 to lea splitter): Likewise.
9373 (addhi_1_lea, shlhi_1_lea): New patterns.
9374 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
9376 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9378 * recog.c (general_operand, nonimmediate_operand): Accept
9379 any mode for VOIDmode CONSTANT_P operands.
9381 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9383 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
9384 instead of replace_rtx.
9385 * recog.c (validate_replace_rtx_subexp): New function.
9386 * recog.h (validate_replace_rtx_subexp): Declare.
9388 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9390 * combine.c (simplify_set, make_extraction, make_compound_operation
9391 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
9392 as force_to_mode argument.
9394 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
9396 * combine.c (if_then_else_cond): Be sure that mode fits in
9399 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
9401 * combine.c (record_promoted_value): Allow bitsize of mode
9402 to be equivalent to HOST_BITS_PER_WISE_INT.
9404 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9406 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
9407 Do not call gen_mode_alignment when mode is BLKmode.
9409 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
9411 * loop.c (express_from_1): Fix call of simplify_gen_binary.
9413 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
9415 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
9416 VOIDmode implies both operands to be VOIDmode.
9417 (simplify_ternary_operation): Compute properly the mode of comparison.
9418 * combine.c (combine_simplify_rtx): Likewise.
9420 2000-07-25 Michael Hayes <mph@paradise.net.nz>
9422 * basic-block.h (struct loops): New field rc_order.
9423 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
9424 (flow_loops_free): Free rc_order.
9425 (flow_depth_first_order_compute): New parameter rc_order.
9426 (flow_loops_find): Allocate rc_order and swap usage with
9429 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9430 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9432 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
9433 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
9434 (nodb_call, return_from_epilogue): Likewise.
9435 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
9436 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
9437 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
9438 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9439 (c4x_valid_type_attribute_p): Likewise.
9440 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
9441 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
9443 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9445 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
9446 and loadhi_big_constant if applicable.
9447 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
9448 and add new splitter.s
9450 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9452 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
9454 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9456 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
9458 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9460 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
9462 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9464 * config/c4x/libgcc.S (divqf3): Improve accuracy.
9466 2000-07-27 Mark Mitchell <mark@codesourcery.com>
9468 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
9469 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
9470 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
9471 (get_prev_bb_note): Likewise.
9472 (remove_scope_notes): Likewise.
9473 * flow.c (commit_one_edge_insertion): Likewise.
9474 (merge_blocks_nomove): Likewise.
9475 (verify_flow_info): Likewise.
9476 * gcse.c (insert_insn_end_bb): Likewise.
9477 * reg-stack.c (emit_swap_insn): Likewise.
9478 * ssa.c (first_insn_after_basic_block_note): New function.
9479 (insert_phi_node): Use it.
9480 (rename_block): Likewise.
9481 (eliminate_phi): Likewise.
9482 (make_regs_equivalent_over_bad_edges): Likewise.
9483 (make_equivalent_phi_alternatives_equivalent): Likewise.
9484 (for_each_successor_phi): Likewise.
9485 (convert_from_ssa): Modify phi-node deletion algorithm.
9487 2000-07-29 Andreas Jaeger <aj@suse.de>
9489 * configure.in (mips*-*-linux*): Use mips*el to check for little
9490 endian MIPS, add tmake_file.
9492 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
9493 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
9494 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
9496 2000-07-28 Richard Henderson <rth@cygnus.com>
9498 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
9499 Sign extend mode size before negating.
9501 2000-07-28 Richard Henderson <rth@cygnus.com>
9503 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
9505 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
9507 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
9508 (cse_insn): Likewise.
9509 (addr_affects_sp_p): Likewise.
9510 * expr.c (move_by_pieces): Likewise.
9511 (clear_by_pieces): Likewise.
9512 * gcse.c (oprs_unchanged_p): Likewise.
9513 * haifa-sched.c (sched_analyze_2): Likewise.
9514 * recog.c (offsettable_address_p): Likewise.
9515 * regclass.c (record_address_regs): Likewise.
9516 * reload.c (find_reusable_reload): Likewise.
9517 (push_reload): Likewise.
9518 (operands_match_p): Likewise.
9519 (decompose): Likewise.
9520 (find_reloads_address_1): Likewise.
9521 (find_inc_amount): Likewise.
9522 * reload1.c (elimination_effects): Likewise.
9523 * resource.c (mark_set_resources): Likewise.
9524 * flow.c (attempt_auto_inc): New function; mostly broken out
9526 (find_auto_inc): Split into two functions and enhanced to
9527 generate POST_MODIFY.
9528 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
9529 * rtl.h (count_all_occurrences): Declare.
9530 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
9532 * rtlanal.c (count_all_occurrences): New function.
9533 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
9534 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
9536 * config/ia64/ia64-protos.h (destination_operand): Declare.
9537 * config/ia64/ia64.c (destination_operand): New function.
9538 (ia64_print_operand): Handle POST_MODIFY.
9539 (rtx_needs_barrier): Likewise.
9540 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
9541 (HAVE_POST_MODIFY_REG): Define to 1.
9542 (MAX_REGS_PER_ADDRESS): Change to 2.
9543 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
9544 (LEGITIMATE_ADDRESS_REG): New helper macro.
9545 (LEGITIMATE_ADDRESS_DISP): Likewise.
9546 (PREDICATE_CODES): Add entry for destination_operand.
9547 * config/ia64/ia64.md (all mov patterns): Use destination_operand
9548 predicate for operand 0.
9550 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9552 * dwarf2out.c: Indent #error directive.
9554 * gbl-ctors.h: Fix typo in comment.
9555 (__do_global_ctors): Prototype.
9557 * gcse.c (record_one_set, pre_delete): Remove unused variables.
9559 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
9560 (print_operand): Initialize variable `t'.
9562 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
9564 * config/arm/arm.md ("call_value"): removed constraints.
9565 Constraints are ignored in expanders.
9566 (*call_value_reg): split =rf into various constraints.
9567 (*call_value_mem): same
9568 (*call_value_symbol): same
9569 (*sibcall_value_insn): same
9571 2000-07-28 Philipp Thomas <pthomas@suse.de>
9573 * install.texi (--enable-nls): Change the description of the NLS
9574 related configure options to match the current state.
9575 (--with-included-gettext): Likewise.
9576 (--enable-maintainer-mode): New description added.
9577 * extend.texi (-fstrict-prototype): Add missing '.'.
9579 2000-07-27 Jim Wilson <wilson@cygnus.com>
9581 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
9582 DECL_INITIAL (decl) == NULL_TREE.
9584 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
9586 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
9587 on insn-attr.h with it.
9588 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
9589 * insn-addr.h: New header.
9590 (insn_addresses_): Renamed from insn_addresses.
9591 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
9592 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
9593 INSN_ADDRESSES_NEW): New macros.
9594 * genattrtab.c (write_test_expr): Use new macros.
9595 * final.c (insn_addresses, init_insn_lengths): Likewise.
9596 (align_fuzz, shorten_branches): Likewise.
9597 (final): Likewise. Do not reject new insns if their addresses
9598 have been added to INSN_ADDRESSES.
9599 * config/arm/arm.c, config/avr/avr.c: Use new macros.
9600 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
9601 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
9602 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
9603 * config/sh/sh.c: Likewise.
9604 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
9606 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
9608 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
9610 * gcc.c (struct prefix_list): Add member priority.
9611 (enum path_prefix_priority): Declare.
9612 (add_prefix): Replace ``first'' with ``priority''. Append new
9613 entry but keep list in priority order.
9614 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
9615 PREFIX_PRIORITY_LAST to add_prefix.
9616 (process_command): Move include kludge - foo/stageN - to before
9619 2000-07-27 Jason Merrill <jason@redhat.com>
9621 * dwarf2out.c (gen_typedef_die): Abort if we get identical
9622 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
9624 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
9626 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
9627 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
9629 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
9631 * c-decl.c (finish_function): Don't treat 'main' specially unless
9632 flag_hosted. In C99 mode, return 0 from 'main' unless
9633 DEFAULT_MAIN_RETURN is otherwise defined.
9635 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
9636 parameters defaulting to int in an old-style function definition.
9638 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9640 * c-parse.in (string): For -Wtraditional, warn about string
9641 concatenation only once per line.
9643 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
9645 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
9646 for HI-UX/WE2 systems.
9648 2000-07-24 Bruce Korb <bkorb@gnu.org>
9650 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
9651 defining the __xxx_TYPE__ macros.
9652 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
9653 * fixincl/fixlib.h: don't need to include "tm.h" anymore
9654 * fixincl/inclhack.def(type_map): now obsolete
9656 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
9658 * cpp.texi: Append a trailing full-stop to xrefs where needed.
9660 2000-07-26 Dave Pitts <dpitts@cozx.com>
9662 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
9664 (mvs_hash_alias): New function.
9665 (mvs_add_alias): Change argument spacing.
9666 (mvs_need_alias): Change aliasing criteria. Added documentation.
9667 (mvs_get_alias): Change to use hashed name. The hashed name prevents
9668 CSECT name collisions.
9669 (mvs_check_alias): Likewise.
9670 (handle_pragma): Change documentation.
9671 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
9672 mode from SImode to DImode.
9673 (iorhi3): Changed LTORG size for insn.
9675 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
9677 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
9678 mem if the address is a mode_dependent_address_p.
9680 2000-07-26 Kazu Hirata <kazu@hxi.com>
9682 * h8300.c (print_operand): Print ":8" when the 'R' operand is
9683 suitable for 8-bit absolute.
9684 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
9685 (OK_FOR_U): Add a case for the 8-bit constant address on the
9688 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
9690 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
9691 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
9692 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
9693 lack of implemented alignment.
9695 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
9697 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
9698 cross-compiling between 64-bit and 32-bit machines.
9700 2000-07-27 Richard Henderson <rth@cygnus.com>
9702 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
9703 (movhicc_astep, movhi_internal_astep): New.
9704 (movsicc_astep, movsi_internal_astep): New.
9705 (movdicc_astep, movdi_internal_astep): New.
9706 (movsfcc_astep, movsf_internal_astep): New.
9707 (movdfcc_astep, movdf_internal_astep): New.
9708 (movxfcc_astep, movxf_internal_astep): New.
9709 (cmovdi_internal_astep, cmovsi_internal_astep): New.
9710 Unify the cmov[ds]i splitters.
9712 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
9714 * real.c (asctoeg): Rename `error' label to unexpected_char_error
9716 2000-07-26 Nick Clifton <nickc@cygnus.com>
9718 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
9719 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
9721 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
9722 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9724 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
9726 * c-decl.c (finish_enum): Convert enumerations that fit in an
9728 (build_enumerator): In pedantic mode, cast to `int' those that
9731 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
9733 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
9735 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9737 * sh.md (cmpgtdi_t): Must be split.
9738 (cmpgtdi_t+1): New splitter.
9740 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9742 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
9743 warnings for indented directives even if we are skipping.
9745 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
9747 * invoke.texi (strict-prototypes): Remove.
9748 * extend.texi (Deprecated Features): Add strict-prototypes.
9749 (Backwards Compatibility): New node.
9751 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9753 * config/i386/i386.md (andsi_1+1): Allow HImode.
9754 (andsi_1+2): Require q_regs_operand.
9756 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9758 * config/i386/i386.md (call_pop): Check operands[0],
9759 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9761 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9762 (call_value): Likewise.
9764 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9766 * toplev.c (pipe_closed): Delete.
9767 (crash_signal): New. Generate ICE for a fatal signal.
9768 (float_signal): Call crash_signal outside a float-handler
9770 (main): Install crash_signal as handler for core-dumping signals.
9772 2000-07-25 David Edelsohn <edelsohn@gnu.org>
9774 * rs6000.c (print_operand, case 'T'): New case.
9776 * rs6000.md (call_indirect_aix32): Convert to expander of
9777 scheduled instructions.
9778 (call_indirect_aix64): Likewise.
9779 (call_value_indirect_aix{32,64}): Likewise.
9780 (call, call_value): Invoke expanders for AIX. Fall through to
9782 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
9783 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
9784 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
9785 only "g" constraint.
9786 (call_nonlocal_aix64): Likewise.
9787 (call_value_nonlocal_aix{32,64}): Likewise.
9788 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
9790 (call_value_nonlocal_sysv): New pattern.
9791 (indirect_jump{si,di}): Use new 'T' modifier.
9792 (tablejump{si,di} matchers): Likewise.
9793 (return_internal_{si,di}): Likewise.
9794 (return_eh_{si,di}): Likewise.
9796 2000-07-24 Richard Henderson <rth@cygnus.com>
9798 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
9799 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
9800 * config/ia64/ia64.md (movdi_internal): Use it.
9802 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
9804 * cppexp.c: Warn about unary + if -Wtraditional.
9805 * cpplex.c (lex_line): Always set BOL on the first token of a line.
9807 2000-07-24 Michael Meissner <meissner@redhat.com>
9809 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
9812 2000-07-24 Nick Clifton <nickc@cygnus.com>
9814 * config/arm/arm.c (emit_multi_reg_push): Generate a
9815 REG_FRAME_RELEATED_NOTE that is compatable with the code in
9816 dwarf2out_debug_frame_expr.
9818 2000-07-24 Jason Merrill <jason@redhat.com>
9820 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
9821 UNALIGNED_INT_ASM_OP.
9822 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
9823 a location expression.
9824 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
9825 assume indirect access if we're saving the CFA address exactly.
9827 * Makefile.in (bootstrap): Move -BstageN/ to the end.
9829 2000-07-24 Jakub Jelinek <jakub@redhat.com>
9831 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
9834 2000-07-24 Michael Meissner <meissner@redhat.com>
9836 * invoke.texi (D30V Options): Add d30v options.
9838 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
9840 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
9841 needed by our gcse pass anymore.
9842 (free_pre_mem): Corresponding changes.
9843 (compute_pre_data): Do not call compute_transpout anymore.
9845 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
9846 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
9849 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
9850 (compute_pre_data): Do it here instead.
9852 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
9854 (pre_delete): Corresponding changes.
9856 2000-07-23 Mark Mitchell <mark@codesourcery.com>
9858 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
9859 to figure out whether or not a variable has already been emitted.
9861 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
9863 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
9864 instead of gen_call.
9866 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
9868 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
9870 2000-07-23 Kazu Hirata <kazu@hxi.com>
9872 * h8300.c: Fix formatting.
9874 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
9876 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
9877 for `long' switch expression into a plain warning.
9879 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
9880 (yylex): Don't pedwarn for "inline" in C99 mode.
9882 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
9884 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9885 ggc_alloc): Likewise.
9886 * bb-reorder.c (dump_scope_forest_1): Likewise.
9888 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9890 * reload.c (find_reloads_toplev): Add new parameter
9892 (find_reloads): Add new parameter to find_reloads_toplev calls.
9894 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9896 * collect2.c (main): Typo fixed.
9897 * diagnostic.c: Typo fixed.
9898 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9899 * eh-common.h: Typo fixed.
9900 * emit-rtl.c (start_sequence): Typo fixed.
9901 * flow.c (find_label_refs): Typo fixed.
9902 (calculate_global_regs_live): Typo fixed.
9903 (mark_regno_cond_dead): Typo fixed.
9904 (create_edge_list): Typos fixed.
9905 (verify_edge_list): Typo fixed.
9906 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9907 * loop.c (strength_reduce): Typo in function name fixed.
9908 * rtl.h: Added comments. Typo in function name fixed.
9909 * rtlanal.c: Typo in function name fixed.
9910 (insn_dependant_p): Rename to ...
9911 (insn_dependent_p): ... this.
9912 (computed_jumo_p): Typo fixed.
9914 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9916 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9918 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9920 * rs6000.h (SIZE_TYPE): Define.
9922 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9924 * ssa.c (rename_insn_1): Don't rename registers that are
9927 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9929 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9931 (fatal_function, set_fatal_function): Removed.
9932 (fatal): Don't prepare for or call the fatal_function.
9933 (diagnostic_lock, error_recursion): New.
9934 (diagnostic_for_decl, report_diagnostic): Guard against
9935 re-entering the error reporting routines.
9936 (fancy_abort): Assume function is not NULL.
9938 * errors.c (fancy_abort): New. Assume function is not NULL.
9939 * tradcpp.c (fancy_abort): Assume function is not NULL.
9941 * system.h: Provide default definition of __FUNCTION__.
9942 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9943 Always use __FUNCTION__ in definition of abort.
9945 * varray.h: Likewise.
9946 * toplev.h: Likewise. Don't prototype set_fatal_function.
9948 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9950 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9952 * glimits.h: Don't do #if defined for ARCH_PPC.
9954 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9955 constants of size no larger than a pointer should go in the TOC.
9956 Add 'MODE' parameter.
9957 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9958 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9959 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9960 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9961 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9962 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9963 (rs6000_legitimize_address): Likewise.
9964 (rs6000_emit_move): Likewise.
9965 (rs6000_select_rtx_section): Likewise.
9966 (output_toc): Deal properly with outputting small constants like
9967 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9968 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9969 MODE parameter. Put small constants in the TOC.
9971 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9973 (rs6000_emit_move): When reload calls us with an illegitimate
9974 address, exit early. Move the change_address calls to one place
9975 at the end of the routine. Merge the SImode and DImode expanders.
9976 When called by reload to put an integer into a FP register, force
9979 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9981 (rs6000_hash_constant): Hash mode too.
9982 (toc_hash_function): Allow for key_mode.
9983 (toc_hash_eq): Structures are different if key_mode differs.
9984 (output_toc): Add 'mode' parameter. Save key_mode.
9985 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9986 Pass 'mode' parameter.
9987 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9989 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9990 for vtable references.
9992 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9993 choice, don't put integer values in FP regs.
9995 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9997 * flow.c (verify_flow_info): Revamp code to verify that the
9998 head and end of each basic block are in the insn chain.
10000 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10002 * gcse.c (record_one_set): Prepend instead of append onto
10003 reg_set_table, making it O(n) instead O(n^2).
10004 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10005 Use a queue instead of a stack as worklist.
10007 2000-07-20 Kazu Hirata <kazu@hxi.com>
10009 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10010 * h8300.h (OK_FOR_T): New.
10011 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10012 * h8300.md: Use inc/dec.[wl] for increment/decrement
10013 by 1 and 2 in HI and SI modes.
10015 2000-07-20 Jim Wilson <wilson@cygnus.com>
10017 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10018 larger than 14 bits.
10020 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10022 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10023 (count_params): Don't set GNU_REST_ARGS on anything.
10024 (save_expansion): Set PASTE_LEFT only on tokens for which
10025 CAN_PASTE_AFTER is true, or which are named operators.
10027 * cpplex.c (parse_args): Distinguish between a rest argument
10028 given one empty argument, and a rest argument given zero arguments.
10029 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10030 deletion of previous token based on that.
10031 (get_raw_token): Flatten some control structure.
10033 * cpplib.h (CPP_LAST_EQ): Correct.
10034 (VOID_REST): New token flag.
10035 (GNU_REST_ARGS): Delete.
10037 * tradcpp.c (main): Don't munge -D options.
10038 (make_definition): Bring -D handling in line with cpplib.
10039 (do_define): Strip all leading whitespace from macro definitions.
10041 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10043 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10045 2000-07-20 Bruce Korb <bkorb@gnu.org>
10047 * fixincl/check.tpl: strip the platform specific types before testing
10048 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10049 * fixincl/fixincl.tpl: use platform specific types
10050 * fixincl/fixlib.h: include the platform specific types
10051 * fixincl/inclhack.def(gnu_types): don't supply the types
10052 * fixincl/fixincl.x: regen
10054 2000-07-19 Jim Wilson <wilson@cygnus.com>
10056 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10059 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10061 * tradcpp.c (rescan): Do not recognize directives when the #
10064 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10066 Implement C++ named operators.
10068 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10069 of operators allowed in #if and having an _EQ variant. Add
10070 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10071 (cpp_token flags): Add NAMED_OP.
10072 (enum node_type): Add T_OPERATOR.
10073 (struct cpp_hashnode): Add code slot to value union.
10074 * cpphash.h (spec_nodes): Remove n_defined.
10076 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10077 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10078 (is_macro_disabled): Tweak error messages.
10080 * cpplib.c (get_define_node): Disallow all named operators as
10081 macro names. Tweak error messages.
10082 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10084 * cppinit.c (builtin_array): Add entries for the named operators.
10085 * cppexp.c (lex): Check for CPP_DEFINED token.
10086 (priority table): Add entries for CPP_MIN and CPP_MAX.
10087 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10089 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10091 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10092 larger than the array of cuids.
10093 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10096 2000-07-19 Bruce Korb <bkorb@gnu.org>
10098 * fixinc/fixincl.c: Convert to using a table of environment variables
10099 and activate the auto-edit marker on the fixed output files.
10100 * fixinc/fixlib.h: Define the environment table
10101 * fixinc/fixincl.sh: export the ${INPUT} dir
10102 * fixinc/check.tpl: likewise
10104 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10106 * gcc.c (.h spec): Fix typo.
10108 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10110 * Makefile.in: Fix tradcif.c path.
10112 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10114 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10117 * cpphash.h (TOKEN_NAME): New macro.
10118 (_cpp_spell_operator): Deleted.
10119 (token_spellings): Now _cpp_token_spellings.
10121 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10122 * cpplex.c: Use OP and TK macros when expanding the
10123 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10124 store the stringification of the enumeration name (CPP_CHAR,
10125 etc.) in the name slot of token_spellings.
10126 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10127 token_spellings directly.
10128 * cpplib.c: Use TOKEN_SPELL.
10130 * cpplex.c (_cpp_push_token): If the token being pushed back
10131 is the previous token in this context, just subtract one from
10133 * cppmacro.c (save_expansion): Clear aux field when storing a
10136 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10138 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10139 buffer, provided it is not NULL.
10141 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10143 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10144 case of invalid volatile re-declaration.
10146 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10148 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10149 (expand_call): Adjust caller.
10151 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10153 * diagnostic.h (report_diagnostic): Change prototype.
10155 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10156 diagnostic_for_decl): Change prototype.
10157 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10158 error, warning, error_with_file_and_line,
10159 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10160 Adjust call to report_diagnostic, diagnostic_for_decl.
10161 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10162 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10164 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10165 varaible argument list.
10167 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10169 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10170 moved to cppmacro.c.
10171 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10172 dump_hash_helper): Delete.
10173 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10174 cpp_forall_identifiers): New. Implement specialized version of
10175 Vlad's expandable hash table.
10176 (cpp_lookup): Use new functions.
10177 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10179 * cppmacro.c: New file.
10180 * cppinit.c (dump_macros_helper): New.
10181 (cpp_finish): Iterate over the identifier table directly.
10182 * cpplex.c (parse_name): Calculate the hash of the identifier
10183 while we scan it. Use _cpp_lookup_with_hash when we can.
10185 * cpphash.h: Update prototypes.
10186 (xcnewvec, HASHSTEP): New helper macros.
10187 * cpplib.h: Update prototypes.
10188 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10189 (cppmacro.o): New rule.
10190 (cpphash.o): Update deps.
10192 * cppmain.c: Do not set pfile->printer if no_output is on.
10194 2000-07-15 Neil Booth <neilb@earthling.net>
10196 * cpplib.c: Change all directive-handler functions to return
10198 * cpphash.h: Update typedefs.
10200 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10202 * configure: Regenerate.
10204 * extend.texi (Extended Asm): Mention that a memory clobber
10205 does not count as a side-effect.
10207 * unroll.c (copy_loop_body): Fix one instance of using host
10208 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10211 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10213 2000-07-17 Richard Henderson <rth@cygnus.com>
10215 * config/ia64/ia64.md (movdi): Split out load address code.
10216 New post-reload splitter for symbolic operands.
10217 (movdi_internal): Abort if we didn't split symbolic operands
10218 when we should have.
10219 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10220 (ia64_reorg): Split insns when not optimizing.
10221 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10223 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10225 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10226 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10228 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10230 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10232 2000-07-17 Jason Merrill <jason@redhat.com>
10234 * Makefile.in (clean): Remove libgcc directory.
10236 * configure.in (-Wno-long-long check): Use higher-level macros.
10238 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10240 * simplify-rtx.c (simplify_binary_operation): Recognize
10241 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10242 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10243 a CONST_INT, it will always be zero.
10245 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10247 * loop.c (check_dbra_loop) : Return if more than one condition is
10248 present to control the loop.
10250 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10252 * mips.c (mips_expand_prologue): Don't calculate the last argument
10253 register unless we need it. When we are calculating this, make
10254 sure FUNCTION_ARG is giving us a REG.
10256 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10258 * flow.c (libcall_dead_p): Use single_set to verify the insn
10259 has only one set and get for analysis.
10260 (propagate_one_insn): Don't pass the PATTERN of the insn.
10262 2000-07-17 Mark Klein <mklein@dis.com>
10264 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10266 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10268 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10269 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10270 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10271 of second argument of getgroups.
10272 * configure, config.in: Rebuilt.
10274 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10276 * simplify-rtx.c (simplify_relational_operation): Two signed
10277 values with equal high words are less/greater than each other if
10278 their low words are less/greater when considered as unsigned.
10280 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10282 * configure.in (vax-*-openbsd): Change to new style configuration,
10283 add collect2/float_format information.
10284 * configure: Rebuilt.
10285 * config/vax/openbsd1.h: New.
10286 * config/vax/openbsd.h: New.
10287 * config/vax/t-openbsd: New.
10289 2000-07-17 Chip Salzenberg <chip@valinux.com>
10291 * c-common.c (shorten_compare): Quiet warnings about unsigned
10292 comparisons with zero when they occur in a system header.
10294 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10296 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10297 update to describe current practice.
10299 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10301 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10302 references to C9X. Change references to -fstd and -flang-isoc9x
10305 * c-common.c (scan_char_table): Allow "z" length modifiers on
10307 (check_format_info): Use TYPE_DOMAIN on the type matched against
10308 for "z" formats, to retrieve the language size_t rather than the
10311 * c-common.c (check_format_info): Do not make a pedantic objection
10312 to the 'L' length modifier if used with a floating point type
10315 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10316 constants in C99 mode.
10318 2000-07-17 Kazu Hirata <kazu@hxi.com>
10320 * h8300.md: Fix the format of mac.
10321 (movsi_h8300hs): Output a tab after stmac instead of a space.
10323 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10324 profitable adds/subs sequences.
10326 * fold-const.c: Fix comment typos.
10328 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10330 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10332 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10334 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10336 2000-07-16 Neil Booth <NeilB@earthling.net>
10338 * cpplex.c: Update comments.
10339 * README.Portability: Small update.
10341 2000-07-16 Neil Booth <NeilB@earthling.net>
10343 * README.Portability: Small update.
10345 2000-07-15 Richard Henderson <rth@cygnus.com>
10347 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10348 * config/ia64/ia64.c (ia64_move_ok): New function.
10349 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10350 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10352 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10354 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10355 immediately following a paste operator.
10356 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10357 (cpp_reader_init): Call it, if HOST_EBCDIC.
10358 (cpp_handle_options): Do not sort option list here.
10359 (handle_option): Rename to cpp_handle_option and export.
10360 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10361 _cpp_get_token directly.
10362 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10363 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
10364 * cpplib.h: Prototype cpp_handle_option. Update prototype of
10367 2000-07-15 Richard Henderson <rth@cygnus.com>
10369 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
10370 cast around an expression. Tidy other unsigned tests.
10372 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
10374 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
10375 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
10376 (v_message_with_decl): Rename to ...
10377 (format_with_decl): ... this. Tweak
10378 (diagnostic_for_decl): New function.
10379 (fatal_io_error): Use verbatim in lieu of notice.
10380 (announce_function): Use verbatim.
10381 (default_print_error_function): Likewise.
10382 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
10385 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10387 * mips.c (function_arg_pass_by_reference): Don't do automatic
10388 aggregate initialization.
10389 (machine_dependent_reorg): Initialize variable `mode'.
10391 * mips.md (absdi2): Change variable `regno1' to unsigned int.
10392 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
10393 conflicts with sys/param.h macro of the same name.
10394 (reload_outdi): Likewise.
10396 2000-07-15 Michael Meissner <meissner@redhat.com>
10398 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
10399 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
10400 create a new node instead.
10402 2000-07-15 Neil Booth <NeilB@earthling.net>
10404 * README.Portability: Correct example about calling a function
10405 through a pointer to function. Format wide paragraphs.
10407 2000-07-15 Michael Meissner <meissner@redhat.com>
10409 * README.Portability: Update integer suffixes and function
10410 prototype sections.
10412 2000-07-15 Neil Booth <NeilB@earthling.net>
10414 * README.Portability: Small update.
10416 2000-07-15 Neil Booth <NeilB@earthling.net>
10418 * README.Portability: New file.
10420 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
10422 * INSTALL: Give special instructions for building GCC on Irix 6.
10423 * config/mips/x-iris6 (CC): Don't set it.
10426 2000-07-14 Jason Merrill <jason@redhat.com>
10428 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
10429 register in the stack and later in another register, use the new
10432 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
10434 * config/mips/mips.md: (absdi2): Handle sign_extend for
10437 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
10439 * cpplib.c (do_pragma_dependency): Tidy warning messages.
10441 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
10443 * .cvsignore: Correct typo.
10445 2000-07-13 Mark Mitchell <mark@codesourcery.com>
10447 * .cvsignore: Add generated YACC files.
10448 * objc/.cvsignore: New file.
10450 2000-07-14 Neil Booth <NeilB@earthling.net>
10452 * cpplex.c (adjust_column): New funcion.
10453 (skip_whitespace): Use it.
10454 (skip_block_comment): Use it, and warn about /*/* with
10457 2000-07-14 Neil Booth <NeilB@earthling.net>
10459 * cpphash.c (struct macro_info): Add new members.
10460 (_cpp_free_definition): Delete the macro directly.
10461 (count_params): Return void, with first token of
10462 expansion in struct macro_info on success.
10463 (parse_define): Return int. Hoist syntax checking from
10464 save_macro_expansion. Leave call to save_expansion to
10465 _cpp_create_definition.
10466 (alloc_macro): Needs just 2 arguments.
10467 (free_macro): Delete.
10468 (save_expansion): Don't perform syntax check.
10469 (_cpp_create_definition): Call save_expansion.
10471 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10473 * genrecog.c (write_header): Split long string.
10475 * cpphash.c (macro_info): Don't use the `signed' keyword.
10477 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
10479 2000-07-13 Jakub Jelinek <jakub@redhat.com>
10481 * calls.c (stored_args_map): New variable.
10482 (check_sibcall_argument_overlap_1): New.
10483 (check_sibcall_argument_overlap): New.
10484 (expand_call): Initialize stored_args_map.
10485 Call check_sibcall_argument_overlap.
10487 2000-07-13 Bruce Korb <bkorb@gnu.org>
10489 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
10490 (emit_gnu_type): utility procedure for gnu_type_fix
10491 (gnu_type_fix): implement various pre-processor guards around
10492 standard types so these types can be defined over and over
10493 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
10494 types alluded to above will have GNU-compliant base types
10495 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
10496 * fixinc/inclhack.def: add test_text entries and utilize the new
10497 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
10498 * fixinc/fixincl.x: regenerate
10500 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10502 * diagnostic.c (vline_wrapper_message_with_location,
10503 v_message_with_file_and_line, v_error_with_file_and_file,
10504 v_error_for_asm, v_warning_for_asm, vfatal,
10505 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
10506 vsorry, verror, vwarning, vpedwarn): Remove.
10507 (diagnostic_for_asm): New function.
10508 (pedwarn, error, warning, pedwarn_with_file_and_line,
10509 error_with_file_and_line, warning_with_file_and_line, sorry,
10510 error_for_asm, warning_for_asm, fatal): Reimplement.
10511 (finish_diagnostic): Clear diagnostic info as well.
10513 2000-07-13 Neil Booth <NeilB@earthling.net>
10515 * c-common.h (flag_digraphs): New.
10516 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
10517 * c-lex.c (yylex): Use flag_digraphs to decide whether to
10520 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
10522 * gcc.c (do_spec_1): Add new %B operator.
10523 (set_input): Prepare for %B.
10525 (link_command_spec): Move up with the other tm.h-
10526 overrideable specs. Factor out the portion conditional on
10527 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
10528 (struct compiler): Just have a single spec string. All users
10530 (default_compilers): Remove unnecessary braces.
10531 (static_specs): Update.
10533 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
10535 (C and assembly specs): Use the new named specs, as appropriate.
10537 * objc/lang-specs.h: Use the new named specs.
10538 Remove unnecessary braces.
10540 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10542 * gcc.c (execute): If a subprocess gets a fatal signal, report
10543 strsignal() of the signal number, and ask for a bug report.
10544 Do not do this for SIGPIPE if there's already been an error.
10546 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
10547 Delete pipe_closed.
10549 * tradcif.c: Remove.
10551 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10553 * final.c (profile_function): Do not emit profile counters in
10554 the data section, if NO_PROFILE_COUNTERS is defined.
10555 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
10558 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
10559 (FUNCTION_PROFILER): Just emit a call to mcount.
10561 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10563 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
10565 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
10566 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
10567 traditional, lang_chill, or lang_fortran.
10569 * cppfiles.c: #undef strcmp to suppress warning about macros
10570 used without arguments.
10571 (_cpp_execute_include): Use f, not fname, in "No include path"
10573 (_cpp_pop_file_buffer): New function.
10574 * cpplib.c: Don't include <sys/mman.h>.
10575 (cpp_push_buffer): Set line_base and lineno in new buffer.
10576 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
10578 * cpplex.c: Move all prototypes and structure declarations to the
10579 top of the file. Properly parenthesise some macro arguments.
10580 (cpp_scan_line): New function.
10581 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
10582 don't need to walk up the stack counting.
10584 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10586 * c-common.c (combine_strings): Emit a pedantic warning when a
10587 string length is greater than the minimum ANSI C is required
10590 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
10592 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
10593 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
10595 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10597 * c-decl.c (define_label): Warn about identifier conflicts with
10598 labels in traditional C.
10600 * c-parse.in (unop +): Warn about the unary plus operator for
10603 * c-typeck.c (store_init_value): Warn about automatic aggregate
10604 initialization for traditional C.
10606 * invoke.texi (-Wtraditional): Document new warnings.
10608 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10610 * Makefile.in (c-errors.o): Fix thinko in dependency.
10612 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10614 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
10615 -traditional, -ftraditional, or -traditional-cpp was given.
10616 Do not pass -traditional to the preprocessor.
10617 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
10618 preprocessor does it automatically.
10619 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
10621 * ch/lang-specs.h: Always use tradcpp. Do not pass
10622 -traditional, -trigraphs, or -pedantic to the preprocessor.
10623 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
10626 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10628 * cppexp.c (LOGICAL): Delete macro.
10629 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
10632 * cpphash.c (HASHSIZE): Increase to 4096.
10633 (struct hashdummy): Add hash field.
10634 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
10635 the string values using memcmp.
10636 (cpp_lookup): Set dummy.hash.
10638 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
10640 * configure.in (m88k-openbsd): Express configuration using new fragment
10642 * configure: Rebuilt.
10643 * m88k/aout-dbx.h: New.
10644 * m88k/openbsd.h: New.
10645 * m88k/xm-openbsd.h: New.
10647 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10649 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
10651 2000-07-12 Richard Henderson <rth@cygnus.com>
10653 * reload.c (push_secondary_reload): Make sure to add the new
10654 reload at the end, after acquiring secondary memory.
10656 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10658 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
10660 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
10661 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
10663 * c-parse.in (stmt): Delete unused variables.
10665 * convert.c (convert_to_vector): Likewise.
10667 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
10669 * tree.c (finish_vector_type): Prototype.
10671 2000-07-12 Bruce Korb <bkorb@gnu.org>
10673 * fixinc/fixfixes.c: use xmalloc
10674 * fixinc/fixincl.c(initialize): set program name for xmalloc
10675 * fixinc/fixlib.c(must_malloc): obsolete
10676 (is_cxx_header): no longer used - disabled
10677 (skip_quote): inserted and disabled for future use
10678 * fixinc/fixlib.h: reflects above
10679 * fixinc/fixtests.c: removed dinkleberries
10681 2000-07-12 Neil Booth <NeilB@earthling.net>
10683 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
10684 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
10686 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
10687 struct toklist_dummy): New.
10688 (cpp_free_definition): Free macros with free_macro.
10689 (count_params): Don't save paramter spellings. Save macro
10690 information in a struct macro_info.
10691 (parse_define): Don't allocate a token list.
10692 (save_expansion): Allocate the macro's token list, and
10693 save parameter spellings if necessary. Use TOKEN_SPELL.
10694 (cpp_create_definition): Make list const.
10696 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10698 * c-typeck.c (pedwarn_c99): Move to
10699 * c-errors.c: ... Here.
10700 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
10701 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
10702 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
10703 (c-errors.o): List dependency.
10705 2000-07-12 Mark Mitchell <mark@codesourcery.com>
10707 * c-parse.c: Remove.
10708 * c-parse.h: Likewise.
10709 * c-parse.y: Likewise.
10710 * objc/objc-parse.c: Likewise.
10711 * objc/objc-pasre.y: Likewise.
10713 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
10715 * gcc.texi: Fix minor typos
10716 * extend.texi: Fix minor typos
10718 2000-07-11 Marc Espie <espie@openbsd.org>
10720 * collect2.c (main): Recognize .lo as object files.
10722 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10724 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
10727 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
10728 with MAP_ANONYMOUS and MAP_ANON.
10729 * configure, config.in: Rebuilt.
10731 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10733 * diagnostic.c (save_output_state): Remove.
10734 (restore_output_state): Likewise.
10735 (clear_text_info): New function.
10736 (clear_diagnostic_info): Likewise.
10737 (output_text_length, is_starting_newline, output_prefix,
10738 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
10739 prefixing_policy, output_buffer_ptr_to_format_args): New macros
10740 (set_real_maximum_length, output_set_maximum_length,
10741 output_set_prefix, output_get_prefix, output_set_maximum_length,
10742 output_destroy_prefix, init_output_buffer,
10743 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
10744 output_add_newline, output_add_character, output_add_space,
10745 output_append_r, output_append, wrap_text, output_format,
10746 output_do_printf, output_printf, output_do_verbatim,
10747 output_verbatim, verbatim): Use them.
10748 (output_clear): Split into cleat_text_info and
10749 clear_diagnostic_info.
10750 (struct output_state): Move to...
10752 * diagnostic.h: ...Here
10753 (struct output_buffer): Adjust.
10755 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
10757 * cpplex.c (parse_name): No longer inline (premature optimization).
10758 (do_pop_context): Fold into pop_context.
10759 (pop_context): Returns int.
10760 (lex_next): Hoist test for end of directive into pop_context.
10761 (push_macro_context): Returns int; takes just reader and token.
10762 Hoist test for excessive nesting to caller.
10763 (push_arg_context): Returns void; takes just reader and token.
10764 Do not call stringify_arg or get_raw_token.
10765 (get_raw_token): Convert tail recursion through push_arg_context
10766 to a loop at this level. Call stringify_arg here if appropriate.
10767 (maybe_paste_with_next): Convert tail recursion to a while loop.
10768 Hoist test of paste_level to caller.
10770 (stringify_arg): Push arg context at beginning.
10771 (cpp_get_token): Split out core into _cpp_get_token. Call
10772 process_directive here. Throw away CPP_PLACEMARKER tokens.
10773 (_cpp_get_token): Convert tail recursion through
10774 push_macro_context to a loop at this level.
10775 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
10776 _cpp_get_raw_token): Use _cpp_get_token.
10777 (_cpp_skip_rest_of_line): Drop the context stack directly; do
10778 not call pop_context.
10779 (_cpp_run_directive): Call lex_next directly.
10781 * cpphash.h: Prototype _cpp_get_token.
10782 * cppexp.c (lex): Use it.
10783 * cpphash.c (parse_define): Use it.
10784 * cpplib.c (get_define_node, do_undef, parse_include,
10785 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
10786 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
10787 parse_ifdef, validate_else): Use it.
10788 (cpp_push_buffer): Tweak error message; abort if anyone tries
10789 to push a buffer while macro expansions are stacked.
10791 2000-07-11 Donn Terry <donnte@microsoft.com>
10793 * cpplex.c (free_macro_args, save_token): Cast arg of free
10794 and/or xrealloc to PTR.
10795 (_cpp_init_input_buffer): Clear all fields of the base context.
10797 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
10799 * gensupport.c (process_rtx): Make rtl checking stop
10800 complaining about the define_insn while it is being
10801 converted from a define_insn_and_split.
10803 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
10805 * config/mips/mips.c (simple_memory_operand): Access the
10806 INTVAL of the address, not it's containing MEM.
10808 2000-07-11 Bruce Korb <bkorb@gnu.org>
10810 * fixinc/fixtests.c(double_slash): obsolete
10811 (else_endif_label): likewise
10812 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
10813 (libc1_ifdefd_memx): correct initial comment
10814 and omit the #if/#endif pair from the memxxx declarations
10815 * fixinc/fixincl.x: regen
10817 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10819 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
10821 2000-07-11 Neil Booth <NeilB@earthling.net>
10823 * cpp.texi: Update.
10825 2000-07-11 Neil Booth <NeilB@earthling.net>
10827 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
10828 (handle_option): Set digraphs according to standard.
10829 Merge OPT_lang_c89 handler with OPT_std_c89.
10831 * cpplex.c: (lex_line, can_paste): Honour digraphs in
10832 accordance with the digraphs flag.
10834 * cpplib.h: (struct cpp_options): New option digraphs.
10836 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
10837 Bruce Korb <bkorb@gnu.org>
10839 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
10840 * fixinc/fixincl.x: Regenerate.
10841 * fixinc/tests/base/testing.h: Add testcase.
10843 2000-07-10 Richard Henderson <rth@cygnus.com>
10845 * config/ia64/ia64.c (got_symbolic_operand): New.
10846 (symbolic_operand, move_operand): Revert 0701 change.
10847 * config/ia64/ia64.h (PREDICATE_CODES): Update.
10848 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
10849 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
10850 split the offset into a 14-bit low part instead of a 13-bit low part.
10851 (load_fptr): Mark the mem as unchanging.
10852 (load_symptr): Use got_symbolic_operand.
10854 2000-07-10 Nick Clifton <nickc@cygnus.com>
10856 * libgcc2.c (next_stack_level): Cast result of computation to
10857 (void **) so that the assignment does not generate a warning.
10859 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
10861 * flags.h : Add new variable flag_single_precision_constant.
10862 * toplev.c (display_help) : Add -fsingle-precision-constant option.
10863 (flag_single_precision_constant): New.
10864 * c-lex.c (yylex): Convert floating point constant to single
10865 precision constant.
10866 * invoke.texi : Add documentation for this new option.
10868 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10870 * diagnostic.c (output_octal): Second parameter is unsigned.
10871 (output_long_octal): Likewise.
10872 (output_hexadecimal): Likewise.
10873 (output_long_hexadecimal): Likewise.
10874 (output_format): Adjust arguments extraction. Tweak.
10875 (output_verbatim, verbatim): End variable argument list.
10876 (report_diagnostic): Improve documentation.
10878 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
10880 * c-common.h (build_stmt): Declare.
10881 (build_continue_stmt): Likewise.
10882 (build_break_stmt): Likewise.
10883 (build_return_stmt): Likewise.
10885 * c-decl.c (do_case): Rewrite to do what previously done in
10888 * c-semantics.c (build_stmt): Define.
10889 (build_return_stmt): Likewise.
10890 (build_break_stmt): Likewise.
10891 (build_continue_stmt): Likewise.
10892 (build_case_label): Likewise.
10894 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10895 (CONTINUE): Likewise.
10896 (RETURN): Likewise.
10898 (DEFAULT): Likewise.
10900 * c-parse.y: Regenerate.
10901 * c-pasre.c: Likewise.
10903 2000-07-09 Jason Merrill <jason@redhat.com>
10905 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10907 * tree.h (STRIP_NOPS): Check for error_mark_node.
10908 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10909 (dwarf2out_*): Remove duplicate declarations.
10911 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10912 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10914 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10916 * diagnostic.c (wrap_text): New function.
10917 (maybe_wrap_text): Likewise.
10918 (output_add_string): Use it.
10919 (output_format): Likewise.
10920 (count_error): Use verbatim instead of notice.
10921 (report_error_function): Likewise. Don't use plain fprintf.
10922 (finish_diagnostic): New function.
10923 (output_do_verbatim): Tweak. Commonalize functionalities in
10924 output_verbatim and verbatim.
10925 (output_verbatim): Adjust.
10926 (verbatim): Likewise.
10927 (report_diagnostic): Define.
10929 * diagnostic.h (report_diagnostic): Prototype.
10931 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10933 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10935 2000-07-09 Neil Booth <NeilB@earthling.net>
10937 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10938 IShspace, ISspace: Update.
10940 * cppinit.c: ISTABLE: Update.
10943 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10944 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10945 (skip_block_comment, skip_line_comment, parse_string,
10946 lex_line): Use is_vspace rather than IS_NEWLINE.
10947 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10948 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10950 (lex_next): Unconditionally stop if within a directive.
10951 Treat directives within macro invocations as directives
10952 (after parse_args emits error), not as the argument.
10954 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10956 * diagnostic.c (diagnostic_args): New macro.
10957 (diagnostic_msg): Likewise.
10958 (output_formatted_integer): Likewise.
10959 (output_state): New data type.
10960 (digit_buffer): Make global.
10961 (output_add_integer): Rename to output_decimal. Squeeze
10963 (output_long_decimal, output_unsigned_decimal,
10964 output_long_unsigned_decimal, output_octal, output_long_octal,
10965 output_hexadecimal, output_long_hexadecimal): New functions.
10966 (output_append_r): New function.
10967 (output_append): Tweak.
10968 (output_flush_on): Rename to output_to_stream.
10969 (output_format): Change prototype. Improve documentation. Handle
10970 more format specifiers.
10971 (build_location_prefix): Rename to context_as_prefix.
10972 (output_notice): Rename to output_do_printf.
10973 (output_printf): Tweak.
10974 (line_wrapper_printf): Likewise.
10975 (vline_wrapper_message_with_location): Adjust call to renamed
10977 (v_message_with_decl): Likewise.
10978 (default_print_error_function): Likewise.
10979 (save_output_state): New function.
10980 (restore_output_state): Likewise.
10981 (output_do_verbatim): Likewise.
10982 (output_verbatim): Define.
10983 (verbatim): Likewise.
10985 * diagnostic.h (printer_fn): Change return type from void to int.
10986 Improve documentation.
10987 (output_add_integer): Rename to output_decimal.
10988 (output_flush_on, output_format): Don't export.
10989 (output_verbatim, verbatim): Declare.
10991 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10993 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10994 Check whether c divides op1 exactly if operation is not
10997 2000-07-08 Richard Henderson <rth@cygnus.com>
10999 * final.c (final): Do not abort when reg-stack introduces
11002 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11004 * cpplib.h (struct cpp_name): Now struct cpp_string.
11005 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11006 CPP_HEADER_NAME): Change to type S.
11007 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11008 field, a cpp_hashnode *. All references to val.name updated
11009 to use val.str or val.node as appropriate.
11010 (struct cpp_reader): Add spec_nodes field.
11011 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11013 * cpphash.h (struct spec_nodes): New.
11014 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11015 val.str. All references to 'spelling > SPELL_NONE' updated to
11018 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11019 pfile->buffer->inc are not NULL before dereferencing them.
11021 * cpplex.c (parse_name): Take a pointer to the current token,
11022 plus current position and limit as args; return the new
11023 position; don't copy the text of a name into the string
11024 buffer, instead call cpp_lookup and store the node pointer.
11025 If extending a token, copy out the text of the old into a
11026 scratch buffer, append the new, look that up and store the new
11027 node pointer. Inline.
11028 (maybe_paste_with_next): If the result of paste is a NAME,
11029 then look up the pasted text and store its node pointer.
11030 (lex_line): Adjust for new parse_name interface.
11031 Check for L"str", L'str' using spec_nodes->n_L.
11032 (spell_token): SPELL_IDENT tokens have their spelling in
11033 val.node->name. Handle SPELL_STRING tokens that don't have
11035 (_cpp_expand_name_space,
11036 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11037 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11038 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11039 return 1=equal 0=not, not a tristate.
11041 * cpphash.c (var_args_str): Delete.
11042 (find_param): Compare node fields directly.
11043 (is__va_args__): Use CPP_PEDANTIC. Just compare
11044 token->val.node with spec_nodes->n__VA_ARGS__.
11045 (dump_funlike_macro): Don't use var_args_str.
11047 * cpplib.c (_cpp_check_directive): Just walk through
11048 spec_nodes->dirs comparing pointers.
11049 (get_define_node, do_pragma_poison, detect_if_not_defined,
11050 parse_ifdef): The identifier has already been looked up.
11051 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11053 (do_if): Only call detect_if_not_defined at beginning of file.
11054 (_cpp_parse_assertion): Only copy string pointers for
11055 SPELL_STRING tokens.
11056 (pragma_dispatch): Take a node pointer and examine its name
11058 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11060 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11062 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11063 reverse order from the corresponding _cpp_init_* routines.
11065 * cppexp.c (parse_number, parse_charconst, parse_defined,
11066 lex): Check val.node->type instead of calling cpp_defined.
11067 Use spec_nodes entries where appropriate.
11069 * fix-header.c, scan-decls.c: Update for interface changes.
11071 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11073 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11074 emitting aux_truncdfsf2.
11076 2000-07-03 Donn Terry (donnte@microsoft.com)
11078 * cppinit.c (print_help): split overlong line into ISO C89
11081 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11083 * cppexp.c: Update all code for new lexer interface.
11084 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11085 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11086 * cpplex.c (token_names): Trim leading CPP_ from names; make
11087 the strings unsigned.
11088 (_cpp_spell_operator): New.
11089 (is_macro_disabled): Disable all macros if rescanning
11091 (_cpp_get_directive_token): Remove.
11093 * cppinit.c: Don't set no_macro_expand.
11094 * cpplib.c (read_line_number, do_line): Check only for EOF,
11096 * cpphash.h: Update prototypes.
11097 * cpplib.h (CPP_VSPACE): Remove.
11098 (struct cpp_reader): Remove no_macro_expand.
11100 2000-07-08 Neil Booth <NeilB@earthling.net>
11102 * cpphash.c (is__va_args__): New function.
11103 (count_params): Fix line reported in error messages. Use
11104 is__va_args__. Don't return ')' on error. Flag GNU style
11105 rest args macro definitions.
11106 (parse_define): Check macro name is not __VA_ARGS__.
11107 (save_expansion): Check identifier in non-varargs-macro is
11108 not __VA_ARGS__. Don't flag GNU_VARARGS.
11109 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11110 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11111 than per-token GNU_VARARGS.
11112 * cpplib.h (GNU_VARARGS): Remove.
11113 (GNU_REST_ARGS): New.
11115 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11117 * i386.md (call_pop, call, call_value_pop): Do not set
11118 current_function_uses_pic_offset_table for calls to static
11119 functions or indirect calls.
11121 2000-07-07 Jim Wilson <wilson@cygnus.com>
11123 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11124 is_predicate_reg, then take max write_count of register pair.
11126 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11128 * tradcpp.c (main): Rename label `include' to `add_include' to
11129 avoid conflicts with variable `include' in traditional C.
11131 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11133 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11135 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11137 * sibcall.c (uses_addressof): Add INMEM argument, check for
11138 current_function_internal_arg_pointer outside of MEM rtxs in addition
11140 (sequence_uses_addressof): Update caller.
11142 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11144 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11147 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11149 * system.h (UNION_INIT_ZERO): New macro for initializing union
11150 members in structs.
11152 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11154 2000-07-07 Neil Booth <NeilB@earthling.net>
11156 * cpp.texi: Update.
11158 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11160 * final.c (final): Detect out of bounds array access to
11161 the insn_lengths array.
11163 2000-07-07 Kazu Hirata <kazu@hxi.com>
11165 * fold-const.c (fold): Fix a comment typo.
11167 2000-07-07 Neil Booth <NeilB@earthling.net>
11169 * cpp.texi: Update to new lexer.
11171 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11173 * tradcpp.c: New file.
11174 * tradcif.y: New file.
11175 * tradcif.c: New generated file.
11177 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11178 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11179 dependencies of C. Install tradcpp from install-common, in
11182 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11184 * cppinit.c: Include cppdefault.h. Refer to
11185 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11186 to GCC_INCLUDE_DIR and its length.
11187 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11188 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11189 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11191 (include_defaults_array): Move to cppdefault.c.
11193 * cppdefault.h: New file.
11194 * cppdefault.c: New file.
11196 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11197 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11198 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11201 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11203 * reload.c (push_reload): When seeing if can reuse a register,
11204 check extra registers against widest of INMODE and OUTMODE.
11206 2000-07-06 Neil Booth <NeilB@earthling.net>
11208 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11209 based on full length of predicate.
11211 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11213 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11214 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11216 2000-07-05 Kazu Hirata <kazu@hxi.com>
11218 * h8300-proto.h: Fix formatting.
11219 * h8300.c: Likewise.
11220 * h8300.h: Likewise.
11222 2000-07-05 Jim Wilson <wilson@cygnus.com>
11224 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11227 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11229 * invoke.texi: Fix minor typos
11230 * md.texi: Fix minor typos
11232 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11234 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11236 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11238 * cpplex.c: Don't include sys/mman.h.
11239 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11241 * cpplib.c: Include sys/mman.h and obstack.h.
11242 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11244 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11245 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11246 bother freeing if stack entries (they will be freed with their buffer).
11247 (do_endif): Free if stack entries from the buffer obstack.
11248 (push_conditional): Allocate if stack entries from the buffer obstack.
11250 (find_answer): Rename to _cpp_find_answer.
11251 (do_assert, do_unassert): Update.
11253 * cpphash.h: Update prototypes.
11254 (xobnew): New convenience macro.
11255 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11257 (struct cpp_hashnode): Remove disabled field.
11259 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11260 (report_missing_guard): Moved to cppfiles.c.
11261 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11263 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11264 cpp_cleanup_includes. Don't destroy hashtab or
11265 all_include_files here.
11266 (cpp_finish): Use _cpp_report_missing_guards.
11268 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11269 (_cpp_init_include_table): Rename _cpp_init_includes.
11270 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11272 * cppexp.c (parse_assertion): Update for new name of
11275 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11277 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11279 * cpplib.c (do_ident): s/VSPACE/EOF/
11281 2000-07-05 Neil Booth <NeilB@earthling.net>
11283 * cpplex.c: Fix trigraph replacement within strings.
11285 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11287 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11289 * xcoffout.c (assign_type_number): Constify.
11290 (xcoffout_source_file): Add static prototype. Don't needlessly
11291 cast away const-ness.
11293 2000-07-04 Jason Merrill <jason@redhat.com>
11295 * frame.h (frame_state): Move base_offset to end.
11297 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11299 * calls.c (emit_library_call_value_1): Revert previous change.
11301 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11303 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11304 (recognized_extern, recognized_function, read_scan_file):
11305 Update for new scheme.
11306 (check_protection): It's still a multiple include guard even
11307 if it doesn't always trigger.
11308 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11310 * scan.h: Declare struct cpp_token. Update prototypes.
11312 2000-07-03 Neil Booth <neilb@earthling.net>
11313 Zack Weinberg <zack@wolery.cumb.org>
11315 Complete overhaul of the lexer and macro expander.
11317 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11318 arg, arglist, argdata, reflist, collect_objlike_expansion,
11319 collect_funlike_expansion, collect_params,
11320 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11321 unsafe_chars, macarg, compare_defs, special_symbol,
11322 scan_arguments, stringify, funlike_macroexpand,
11323 _cpp_quote_string, monthnames): Delete.
11324 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11325 _cpp_create_definition, _cpp_dump_definition,
11326 dump_hash_helper): Adjust.
11327 (find_param, count_params, parse_define, var_args_str,
11328 check_macro_redefinition, save_expansion): New.
11330 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11331 parse_string, output_line_command, trigraph_replace,
11332 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11333 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11334 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11335 _cpp_skip_rest_of_line): Modify.
11337 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11338 find_position, null_warning, bump_column, expand_name_space,
11339 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11340 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11341 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11342 _cpp_prescan): Delete.
11344 (dump_param_spelling, process_directive, lex_next,
11345 is_macro_disabled, stringify_arg, expand_context_stack,
11346 output_token, make_string_token, alloc_number_token,
11347 special_symbol, duplicate_token, maybe_paste_with_next,
11348 can_paste, prevent_macro_expansion, restore_macro_expansion,
11349 get_temp_token, release_temp_tokens, quote_string,
11350 token_names, token_spellings, _cpp_expand_name_space,
11351 _cpp_glue_header_name, _cpp_reserve_name_space,
11352 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11353 placemarker_token, eof_token, cpp_context, macro_args,
11354 get_raw_token, parse_arg, parse_args, save_token,
11355 push_arg_context, push_macro_context, pop_context,
11356 do_pop_context, free_macro_args, _cpp_get_line,
11357 _cpp_run_directive): New.
11359 * cpplib.c (validate_else, parse_include, push_conditional,
11360 pass_thru_directive, read_line_number, parse_ifdef,
11361 detect_if_not_defined, _cpp_check_directive, do_define,
11362 do_undef, do_include, do_import, do_include_next, do_error,
11363 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
11364 top_pragmas, do_pragma_gcc, do_pragma_implementation,
11365 do_pragma_poison, do_pragma_system_header,
11366 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
11367 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
11368 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
11369 cpp_defined): Update for new scheme.
11370 (strtoul_for_line, get_define_node, dump_macro_name,
11371 _cpp_check_linemarker, _cpp_parse_assertion): New.
11372 (_cpp_handle_directive, do_pragma_default): Delete.
11374 * cpphash.h (struct predicate): Now struct answer.
11375 (enum spell_type, struct token_spelling, struct directive,
11376 directive_handler): New.
11377 Update prototypes. Remove unused macros.
11378 * cpplib.h: Update prototypes. Remove unused macros,
11379 structure definitions, and fields.
11381 * cpperror.c (print_containing_files, v_message): Adjust.
11382 * cppexp.c (parse_assertion, lex, parse_escape,
11383 _cpp_parse_expr): Adjust.
11384 * cppfiles.c (open_include_file, _cpp_execute_include,
11385 _cpp_compare_file_date, cpp_read_file, read_include_file):
11387 * cppinit.c (dump_special_to_buffer): Delete.
11388 (append_include_chain, merge_include_chains, cpp_reader_init,
11389 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
11390 cpp_finish, handle_option, print_help): Adjust.
11391 * cppmain.c (main): Adjust.
11393 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11395 * cppspec.c (lang_specific_driver): Use double quotes in error
11398 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11400 * calls.c (emit_library_call_value_1): Use valreg instead
11401 of hard_libcall_value.
11403 2000-07-03 Geoff Keating <geoffk@cygnus.com>
11405 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
11406 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
11407 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
11415 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
11416 mode instead of wider_mode is being used.
11418 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11420 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
11421 of 'r'. Use q_regs_operand.
11422 (andsi_1+2): Use q_regs_operand.
11424 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11426 * builtins.c (get_memory_rtx): Always put into alias set 0.
11428 2000-07-03 Nick Clifton <nickc@cygnus.com>
11430 * config/arm/arm.md: Fix post increment and pre increment
11431 peepholes so that they do not generate UNPREDICATBLE opcodes.
11432 (ie ones where the increment clobbers the source/destination).
11434 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
11436 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
11437 change too big for -mtiny-stack" a warning, if larger than 63.
11438 (out_set_stack_ptr): Change the logic so -mno-interrupts is
11439 always safe to use on possible future devices.
11440 (function_prologue): Write SPH before SPL, for consistency.
11441 If interrupt_func_p true, we know we have enabled interrupts.
11442 (avr_num_arg_regs): New function. Round up to even number of
11443 bytes if no -mpack-args or if calling a libgcc function.
11444 (function_arg, function_arg_advance): Use it.
11445 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
11446 Output "movw" if available.
11447 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
11448 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
11449 (asm_output_section_name): Add blanks for consistent output.
11450 (encode_section_info): Set TREE_READONLY for progmem data to
11451 avoid gas warnings about changed section attributes.
11452 (avr_hard_regno_mode_ok): Force non-QImode data to start in
11453 even numbered registers on devices with "movw".
11454 * config/avr/avr.h (MASK_*): Define bits for target_flags.
11455 (TARGET_SWITCHES): Mark help strings for translation.
11456 Add new -mpack-args and -menhanced switches.
11457 (TARGET_OPTIONS): Mark help strings for translation.
11458 (progmem_section): Add section attributes.
11459 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
11460 Output "movw" if available.
11461 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
11463 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
11464 call convention (arguments aligned on even registers).
11465 (_cleanup, _exit): Make weak symbols libc can override.
11467 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * fp-bit.h: New file.
11471 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
11472 Comment #endif statements.
11473 (__thenan_sf, __thenan_df): Add missing braces around initializer.
11475 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
11477 * gcse.c (compute_pre_data): Compute ae_kill using other local
11478 properties instead of calling compute_ae_kill.
11480 * alias.c (init_alias_analysis): Do not call
11481 prologue_epilogue_contains until after reload has completed.
11483 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
11485 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
11486 (genrtl_finish_compound_stmt): Likewise.
11487 (genrtl_compound_stmt): Change to return void.
11489 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
11490 move code from here to ...
11491 (genrtl_compound_stmt): ... here.
11492 (genrtl_finish_compound_stmt): Remove.
11493 (expand_stmt): Add comment.
11495 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
11497 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
11500 2000-07-02 Jakub Jelinek <jakub@redhat.com>
11502 * cpplib.h (struct cpp_reader): New field include_depth.
11503 (struct cpp_printer): Rename last_bsd to last_id.
11504 * cppfiles.c (read_include_file): Bump include_depth.
11505 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
11506 (output_line_command): Output correct #line if a header
11507 is including itself and is not protected against multiple inclusion.
11508 Use include_depth instead of buffer_stack_depth, last_id instead of
11510 * cppinit.c (cpp_start_read): Initialize last_id instead of
11513 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
11515 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
11516 (c-semantics.o): New target.
11518 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
11519 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
11520 (genrtl_clear_out_block): Likewise.
11521 (genrtl_goto_stmt): Likewise.
11522 (genrtl_expr_stmt): Likewise.
11523 (genrtl_decl_stmt): Likewise.
11524 (genrtl_if_stmt): Likewise.
11525 (genrtl_while_stmt): Likewise.
11526 (genrtl_do_stmt): Likewise.
11527 (genrtl_return_stmt): Likewise.
11528 (genrtl_for_stmt): Likewise.
11529 (genrtl_break_stmt): Likewise.
11530 (genrtl_continue_stmt): Likewise.
11531 (genrtl_scope_stmt): Likewise.
11532 (genrtl_switch_stmt): Likewise.
11533 (genrtl_case_label): Likewise.
11534 (genrtl_begin_compound_stmt): Likewise.
11535 (gerntl_finish_compound_stmt): Likewise.
11536 (genrtl_compound_stmt): Likewise.
11537 (genrtl_asm_stmt): Likewise.
11538 (genrtl_decl_cleanup): Likewise.
11539 (DECL_ANON_UNION_ELEMS): Likewise.
11540 (emit_local_var): Likewise.
11541 (make_rtl_for_local_static): Likewise.
11542 (expand_cond): Likewise.
11543 (expand_stmt): Likewise.
11544 (c_expand_return): Likewise.
11545 (c_expand_start_case): Likewise.
11546 (do_case): Likewise.
11547 (COMPOUND_STMT_NO_SCOPE): Likewise.
11548 (c_expand_asm_operands): Likewise.
11549 (NEW_FOR_SCOPE_P): New macro.
11550 (expand_expr_stmt_fn): New type.
11552 (set_current_function_name_declared): Likewise.
11553 (current_function_name_declared): Likewise.
11554 (lang_expand_stmt): Likewise.
11555 (stmts_are_full_exprs_p): Likewise.
11556 (anon_aggr_type_p): Likewise.
11557 (lang_expand_expr_stmt): Likewise.
11558 (build_case_label): Likewise.
11560 * c-decl.c (lang_expand_expr_stmt): Initialize.
11561 (stmts_are_full_exprs_p): Define.
11562 (current_function_name_declared): Likewise.
11563 (do_case): Likewise.
11564 (lang_expand_stmt): Likewise.
11565 (set_current_function_name_declared): Likewise.
11566 (anon_aggr_type_p): Likewise.
11568 * c-semantics.c: New file.
11569 (expand_cond): Moved from cp/semantics.c.
11570 (genrtl_do_pushlevel): Likewise.
11571 (genrtl_clear_out_block): Likewise.
11572 (genrtl_goto_stmt): Likewise.
11573 (genrtl_expr_stmt): Likewise.
11574 (genrtl_decl_stmt): Likewise.
11575 (genrtl_if_stmt): Likewise.
11576 (genrtl_while_stmt): Likewise.
11577 (genrtl_do_stmt): Likewise.
11578 (genrtl_return_stmt): Likewise.
11579 (genrtl_for_stmt): Likewise.
11580 (genrtl_break_stmt): Likewise.
11581 (genrtl_continue_stmt): Likewise.
11582 (genrtl_scope_stmt): Likewise.
11583 (genrtl_switch_stmt): Likewise.
11584 (genrtl_case_label): Likewise.
11585 (genrtl_begin_compound_stmt): Likewise.
11586 (genrtl_finish_compound_stmt): Likewise.
11587 (genrtl_compound_stmt): Likewise.
11588 (genrtl_asm_stmt): Likewise.
11589 (genrtl_decl_cleanup): Likewise.
11590 (make_rtl_for_local_static): Moved from cp/decl.c.
11591 (emit_local_var): Likewise.
11592 (expand_stmt): Define.
11594 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
11595 (c_expand_return): Likewise.
11596 (c_expand_start_case): Likewise.
11598 2000-07-01 Richard Henderson <rth@cygnus.com>
11600 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
11601 with the low 13 bits set.
11602 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
11603 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
11604 of the low 13 bits into a CONST plus an adddi3.
11605 (load_symptr): Set RTX_UNCHANGING_P.
11607 See ChangeLog.3 for earlier changes.