1 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3 * gcc.texi: Adjust wording.
5 2000-11-11 Mark Mitchell <mark@codesourcery.com>
7 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
8 * fininc/fixincl.x: Regenerated.
10 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
12 * invoke.texi: Correct spelling of -foptimize-register-move.
14 2000-11-11 Neil Booth <neilb@earthling.net>
16 Remove CPP_PLACEMARKERs.
18 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
19 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
20 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
22 * cpplib.h: Remove CPP_PLACEMARKER.
23 (struct lexer_state): Rename skip_newlines to next_bol.
24 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
25 Simplify prev_white handling as a result.
26 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
27 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
28 (parse_args): Similarly. Update argument count tests.
29 (enter_macro_context): Return 2 to indicate an empty macro.
30 (replace_args): Don't bother pre-expanding an empty argument.
31 Handle placemarkers and ## extension during pre-expansion.
32 (cpp_get_token): Handle empty macro expansions. Don't worry
33 about CPP_PLACEMARKERs.
34 (_cpp_create_definition): Empty macros are now empty.
35 (cpp_macro_defintion): Don't special case empty macros.
36 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
39 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
41 * gcc.texi, invoke.texi: Add new section discussing language
42 standards; link to it where appropriate; refer to ISO C instead of
45 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
47 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
50 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
53 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
55 * gcc.texi, gcov.texi: Update dates and version numbers.
57 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
59 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
60 flex and bison, specifically, first in a unified build and
61 then installed on the system.
62 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
63 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
66 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
67 cppdefault.o): Remove pointless sed munging of source file
70 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
72 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
73 for address reloads. Push replacements for REG_INC notes.
74 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
76 * reload1.c (choose_reload_regs): Registers set in the insn can't be
77 used for RELOAD_OTHER reloads.
79 2000-11-10 Mark Mitchell <mark@codesourcery.com>
83 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
85 * alpha.c (check_float_value): Use memcpy, not bcopy.
86 * arm.c (output_move_double): Likewise.
88 * m88k.c (legitimize_operand): Likewise.
89 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
91 * mips.c (override_options): Likewise.
93 * romp.c (output_fpops): Likewise.
94 * rs6000.c (rs6000_override_options): Likewise.
96 * vax.c (check_float_value): Likewise.
98 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
99 * expmed.c (synth_mult): Likewise.
100 * final.c (add_bb_string): Likewise.
101 * genattr.c (main): Likewise.
102 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
104 * jump.c (thread_jumps): Likewise.
105 * prefix.c (save_string): Likewise.
106 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
107 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
108 * reload1.c (reload, eliminate_regs): Likewise.
110 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
112 * gcc.texi (Service): Update to reflect current practice and
113 location of the GNU service directory.
115 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
117 * regrename.c (build_def_use): Mark contents of REG_INC notes as
120 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
121 a no-op move if regs are equal.
122 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
123 when calling jump after post-reload splitting.
125 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
127 * c-tree.texi: Fix typos.
128 * extend.texi: Likewise
129 * gcov.texi: Likewise
133 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
135 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
136 in_system_header and flags[1] before dereferencing flags[2].
138 2000-11-09 Matthew Hiller <hiller@redhat.com>
140 * reload1.c (reload_combine): Fixed calculation of
141 first_index_reg, last_index_reg.
143 2000-11-09 Mark Mitchell <mark@codesourcery.com>
145 * c-dump.c (dequeue_and_dump): Dump function bodies.
147 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
148 (c-dump.o): New target.
149 * c-common.h (flag_dump_translation_unit): New variable.
150 (C_TYPE_QUALS): New macro.
151 (strip_array_types): New function.
152 (DECL_C_BIT_FIELD): New macro.
153 (SET_DECL_C_BIT_FIELD): Likewise.
154 (CLEAR_DECL_C_BIT_FIELD): Likewise.
155 (dump_info_p): New typedef.
156 (dump_tree_fn): Likewise.
157 (lang_dump_tree): New variable.
158 (dump_node_to_file): New function.
159 * c-common.c (flag_dump_translation_unit): Define it.
160 (strip_array_types): New function.
161 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
162 * c-lang.c (finish_file): Call dump_node_to_file if
163 flag_dump_translation_unit.
164 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
165 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
166 * c-dump.c: New file.
168 2000-11-09 Christopher Faylor <cgf@cygnus.com>
170 * config/i386/cygwin.h: Add mingw startfile prefix.
172 2000-11-09 Richard Henderson <rth@redhat.com>
174 * flow.c (invalidate_mems_from_set): Split out from ...
175 (mark_set_1): ... here.
176 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
177 instead of turning insn into a NOTE_INSN_DELETED.
179 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
181 * extend.texi, invoke.texi: Move documentation of builtin versions
182 of C library functions to one place and update.
184 2000-11-09 Richard Henderson <rth@redhat.com>
186 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
187 the types themselves to discover type equivalence.
189 2000-11-09 Mike Stump <mrs@wrs.com>
191 * Makefile.in (distclean): Remove a few extra leftovers.
193 2000-11-09 Richard Henderson <rth@redhat.com>
195 * recog.c (validate_replace_rtx_1): Consider subregs when
196 replacing a register with a constant inside a sign/zero_extend.
198 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
200 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
202 * c-decl.c (finish_struct): When a structure is completed,
203 check all its variant types for completeness.
205 2000-11-09 Neil Booth <neilb@earthling.net>
207 * cpphash.c: Move cpp_defined here from cpplib.c.
208 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
209 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
210 * cppmacro.c (cpp_get_token): Update comments, no need now
211 to catch the CPP_EOF meaning EOL case.
213 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
215 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
216 is more than that provided, copy to a temporary.
218 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
220 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
221 interpreting $out as a macro assignment.
222 * Makefile.in (T_TARGET): New auxiliary macro and target.
223 (all): Add a target right in the beginning, so that we don't build
226 2000-11-09 Graham Stott <grahams@redhat.com>
228 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
229 order for -mintel-syntax. Remove comment now that the operand
230 order has been checked.
231 (mmx_pextrw): Likewise.
232 (mmx_pshufw): Likewise.
234 2000-11-09 Jakub Jelinek <jakub@redhat.com>
236 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
237 (c_getstr): New function.
238 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
239 If both arguments are constant string, optimize out.
240 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
241 (expand_builtin_strpbrk): Use c_getstr, do nothing if
242 -fcheck-memory-usage.
243 (expand_builtin_fputs): Likewise.
244 (expand_builtin_strcmp): Add MODE argument.
245 Use even if !HAVE_cmpstrsi.
246 Optimize the case when both arguments are constant strings.
247 (expand_builtin): Adjust expand_builtin_strcmp caller.
248 Call expand_builtin_strchr and expand_builtin_strrchr.
249 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
251 * builtins.def (BUILT_IN_STRRCHR): Add.
253 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
255 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
257 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
259 * calls.c (expand_call, emit_library_call_value_1), collect2.c
260 (scan_prog_file), config/a29k/a29k.c (print_operand),
261 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
263 * real.h: Use memcmp () instead of bcmp ().
264 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
265 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
266 ultrasparc_sched_init, ultrasparc_sched_reorder),
267 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
269 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
270 instead of rindex ().
271 * configure.in: Don't check for bzero, bcmp, index or rindex.
272 * configure, config.in: Regenerate.
273 * system.h: Don't include declarations for bzero, bcmp, index or
275 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
276 bzero, bcmp, index or rindex.
278 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
280 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
281 include and library paths from -mcygwin case. Parameterize some
282 declarations to avoid warnings. Use standard locations for include and
285 2000-11-08 Nick Clifton <nickc@redhat.com>
287 * config/arm/arm.md (mulsidi3adddi): Change output operand
288 constraint from "=&" to "=&".
289 (umulsidi3adddi): Change output operand constraint from "=&" to
292 2000-11-08 Richard Henderson <rth@redhat.com>
294 * flow.c (init_propagate_block_info): Protect the rtx stored in
295 mem_set_list from modification by find_auto_inc.
296 (mark_set_1): Likewise.
298 2000-11-08 Neil Booth <neilb@earthling.net>
300 Move directive handling into the lexer itself.
302 * cpplex.c (_cpp_lex_token): Handle directives directly.
303 In the case of a directive interrupting a function-like
304 macro invocation, use extra_char since read_ahead is
305 used to store the '#'. Return a CPP_EOF in this case.
306 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
307 (cpp_get_token): Don't handle directives here.
308 * cpplib.h: Remove CPP_DHASH token type.
310 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
312 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
313 formed using PRE_MODIFY too.
315 2000-11-08 Mark Mitchell <mark@codesourcery.com>
317 * c-tree.texi (VAR_DECL): Describe representation of GCC's
318 extension for placing variables in particular registers.
320 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
321 unprototyped C functions with no parameters.
323 2000-11-08 Jakub Jelinek <jakub@redhat.com>
325 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
326 before passing to fprintf.
328 2000-11-08 Jakub Jelinek <jakub@redhat.com>
330 * function.c (expand_function_start): Cast GET_MODE_SIZE to
331 HOST_WIDE_INT before negating it.
333 2000-11-08 Jakub Jelinek <jakub@redhat.com>
335 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
336 passed in multiple non-contiguous locations.
338 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
340 * README.gnat: Remove file.
342 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
344 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
347 2000-11-07 Richard Henderson <rth@redhat.com>
349 * dwarfout.c (INSN_LABEL_FMT): Remove.
350 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
351 (dwarfout_label): Remove.
352 * dwarfout.h: Remove it's prototype.
353 * dwarf2out.c (INSN_LABEL_FMT): Remove.
354 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
355 (dwarf2out_label): Remove.
356 * dwarf2out.h: Remove it's prototype.
357 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
359 2000-11-07 Richard Henderson <rth@redhat.com>
361 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
362 search on the unwind region section.
364 * config/ia64/ia64.md (movbi): Add r/r alternative.
365 (cmovdi_internal_astep): Describe all combinations of register
366 classes for sources & destinations; remove matching constraints.
367 (cmovdi_internal): Likewise.
369 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
371 2000-11-07 Richard Henderson <rth@redhat.com>
373 * c-lang.c (start_cdtor, finish_cdtor): New functions.
374 (finish_file): Use them in building constructor/destructor functions.
376 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
377 LD_FINI_SWITCH): Move ...
378 * config/alpha/osf.h: ... here.
379 * config/alpha/alpha-interix.h: Don't undef them.
381 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
383 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
384 included in libgcc.a.
386 (dp-bit.c): Likewise.
387 (fp-bit.c): Likewise.
389 2000-11-07 Nick Clifton <nickc@redhat.com>
391 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
392 (INTERNAL_ASM_OP): Add missing tab.
394 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
396 * alias.c (init_alias_analysis), calls.c (expand_call,
397 emit_library_call_value_1), combine.c (init_reg_last_arrays),
398 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
399 (init_output_buffer, set_diagnostic_context), dwarf2out.c
400 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
401 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
402 function.c (assign_parms), gcse.c (compute_can_copy,
403 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
404 compute_hash_table, compute_set_hash_table,
405 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
406 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
407 clear_units, schedule_block), integrate.c (initialize_for_inline,
408 expand_inline_function), jump.c (thread_jumps), local-alloc.c
409 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
410 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
411 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
412 record_reg_classes, allocate_reg_info), reload.c
413 (get_secondary_mem, remove_address_replacements, find_reloads),
414 reload1.c (reload, set_initial_label_offsets, finish_spills,
415 reload_as_needed, choose_reload_regs_init,
416 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
417 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
418 (rename_registers), stmt.c (expand_end_case), unroll.c
419 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
420 () instead of bzero ().
422 2000-11-07 Neil Booth <neilb@earthling.net>
424 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
426 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
428 * c-common.c (combine_strings): Only warn about long strings for C.
430 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
432 * combine.c (distribute_notes): Fix typo in last change.
434 2000-11-07 Geoff Keating <geoffk@redhat.com>
436 * config/rs6000/rs6000.md (movdi_internal32+1): Use
437 operand_subreg_force rather than gen_rtx_SUBREG.
438 (movdi_internal32+2): Likewise.
440 2000-11-07 Philip Blundell <philb@gnu.org>
442 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
443 * config/arm/linux-aout.h: Likewise.
444 * configure: Regenerate.
446 2000-11-07 Philipp Thomas <pthomas@suse.de>
448 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
449 accepted my the gettext maintainer.
451 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
453 * builtins.c (expand_builtin_strpbrk): New function.
454 (expand_builtin): Handle BUILT_IN_STRPBRK.
456 * builtins.def (BUILT_IN_STRPBRK): New entry.
458 * c-common.c (c_common_nodes_and_builtins): Declare builtin
461 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
463 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
464 * POTFILES.in: Add config/alpha/freebsd.h
465 * configure.in: Add alpha*-freebsd support.
466 * configure: Regenerate.
468 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
470 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
471 copy of ptr_type_node rather than ptr_type_node itself.
473 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
475 * combine.c (recog_for_combine): Allocate uninitialized vector with
477 * recog.c (apply_change_group): Likewise.
479 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
481 * flow.c (verify_local_live_at_start): Back out last change.
482 * combine.c (distribute_notes): When parts of a hard reg are
483 neither set nor referenced in PLACE, search backwards for a
484 place to put a REG_UNUSED note; if none found, ask for flow
487 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
489 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
490 with (clobber (match_scratch...)).
492 2000-11-06 Neil Booth <neilb@earthling.net>
494 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
497 2000-11-06 Neil Booth <neilb@earthling.net>
499 * tradcpp.c (special_symbol): Assign an null string rather
500 than writing to an unallocated buffer.
502 2000-11-06 Neil Booth <neilb@earthling.net>
504 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
507 2000-11-06 Neil Booth <neilb@earthling.net>
509 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
510 tok.val.arg_no as appropriate.
511 * cppexp.c (lex): Similarly.
512 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
513 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
514 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
515 cpp_macro_definition): Similarly.
516 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
518 2000-11-06 Jakub Jelinek <jakub@redhat.com>
520 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
521 operands[1] is constant, calculate the sum and generate movdi.
522 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
523 (subsi3): Use SImode in call to arith_4096_operand.
525 2000-11-06 Jakub Jelinek <jakub@redhat.com>
527 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
528 adjust %o1, not %o0 if the return type is large structure.
530 2000-11-06 Jakub Jelinek <jakub@redhat.com>
532 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
533 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
535 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
537 * expmed.c (expand_divmod): For signed divide by 2, prefer
538 a branch and fewer shifts if branches are very cheap.
540 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
542 * Makefile.in: Remove all targets related to building
543 distributions and diffs, or INSTALL.
544 * INSTALL, install1.texi: Remove.
545 * configure.in: Remove mention of distdir.
546 * configure: Regenerate.
547 * objc/Make-lang.in: Remove mention of distdir.
549 2000-11-04 Neil Booth <neilb@earthling.net>
551 * cpp.texi: Update for _Pragma.
553 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
555 * gcc.texi (Contributing): Update URL for projects web page.
557 2000-11-04 Neil Booth <neilb@earthling.net>
559 * cpplex.c (parse_string): Don't allow multiline strings in
560 #include family directives.
562 2000-11-04 Neil Booth <neilb@earthling.net>
564 * cpplib.c (do_line): Only warn pedantically if not reading
567 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
569 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
572 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
574 * builtins.c (expand_builtin_strlen): Remove unused mode
576 * gcc.c (process_command): Remove unused variable.
577 * fold-const.c: Include expr.h.
578 * recog.c: Include reload.h.
579 * Makefile.in (recog.o, fold-const.o): Update deps.
581 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
583 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
585 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
587 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
589 (STARTFILE_SPEC): Likewise.
590 (LINK_SPEC): Likewise.
592 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
595 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
596 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
598 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
600 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
601 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
602 perm_calloc, get_identifier, maybe_get_identifier,
603 real_value_from_int_cst, simple_cst_equal), varasm.c
604 (assemble_name, assemble_real, immed_real_const_1,
605 compare_constant_1, decode_rtx_const, output_constant_pool): Use
606 strrchr () instead of rindex (). Use memcmp () instead of bcmp
607 (). Use memcpy () instead of bcopy (). Use memset () instead of
610 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
612 * cppfiles.c (open_file): If already read, then don't reopen.
613 Immediately close an empty file.
615 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
617 * expr.h (fold_builtin): Move declaration...
618 * tree.h (fold_builtin): ... here.
620 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
622 * flow.c (verify_local_live_at_start): Allow hard regs to die.
624 2000-11-02 Neil Booth <neilb@earthling.net>
627 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
628 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
629 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
630 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
631 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
632 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
633 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
634 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
635 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
636 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
637 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
638 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
639 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
640 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
641 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
642 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
643 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
644 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
645 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
646 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
647 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
648 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
649 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
650 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
651 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
652 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
653 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
654 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
655 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
656 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
657 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
658 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
659 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
660 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
661 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
662 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
663 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
664 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
665 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
666 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
667 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
668 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
669 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
670 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
671 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
672 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
673 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
674 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
675 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
676 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
677 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
678 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
679 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
680 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
681 vax/vaxv.h, vax/vms.h, we32k/we32k.h
683 Replace -A() with -A=, the new assertion syntax.
685 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
687 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
689 In REG_DEAD handling: When handling parts of multi-hard-reg hard
690 registers, increment the loop counter by the size of the parts;
691 use recursion to handle individual parts.
693 2000-11-02 Neil Booth <neilb@earthling.net>
695 * configure.in: Make integrated CPP the default.
696 * configure: Regenerate.
698 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
700 * reload.c (find_equiv_reg): Test all hard registers for membership
701 in the requested class.
703 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
705 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
706 process_command, main), gcov.c (open_files, output_data), tlink.c
707 (frob_extension, scan_linker_output), toplev.c
708 (file_name_nondirectory): Use strchr () and strrchr () instead of
709 index () and rindex ().
711 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
713 * c-common.c (get_flag_spec, check_format_info_main,
714 check_format_types): Use strchr () instead of index (). Compare
715 against error_mark_node instead of comparing the TREE_CODE against
718 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
722 * c-lex.c (init_c_lex): Update cpp_start_read call.
723 (cb_ident): Update for new callback prototype.
724 (cb_def_pragma): Update for new cpp_get_token prototype.
725 (c_lex): Similarly. Use cpp_get_line.
727 * c-parse.in (finish_parse): Update for new cpp_finish
730 * cp/lex.c (finish_parse): Similarly.
732 2000-11-01 Geoff Keating <geoffk@cygnus.com>
734 * machmode.def: Add V16QImode.
736 2000-11-01 Richard Henderson <rth@redhat.com>
738 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
739 from rtl_for_decl_location.
740 (add_location_or_const_value_attribute): Likewise.
742 2000-11-01 Neil Booth <neilb@earthling.net>
744 * cpplib.c (run_directive): Use correct line number for output
745 of _Pragma. Remember any in-progress directive.
747 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
749 2000-11-01 Richard Henderson <rth@redhat.com>
751 * stmt.c (expand_start_null_loop): Set continue_label.
753 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
755 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
756 (expand_builtin_constant_p): Move parts of the code into
757 fold_builtin_constant_p.
758 (expand_builtin_strlen): Move parts of the code into fold_builtin.
759 * expr.h (fold_builtin): Declare.
760 * fold-const.c (fold): Handle builtin calls.
762 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
764 2000-11-01 Richard Henderson <rth@redhat.com>
766 * stmt.c (expand_start_null_loop): New.
767 (expand_end_null_loop): New.
768 * c-semantics.c (genrtl_do_stmt): Use them.
769 * tree.h: Declare them.
771 2000-11-01 Richard Henderson <rth@redhat.com>
773 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
775 2000-11-01 Neil Booth <neilb@earthling.net>
777 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
778 * cp/spew.c: Similarly.
779 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
780 * cppmacro.c (stringify_arg): Similarly.
781 * cpplib.h (CPP_BACKSLASH): Delete.
783 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
785 * builtins.c (expand_builtin_strstr): New function.
786 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
788 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
790 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
793 2000-10-31 Richard Henderson <rth@redhat.com>
795 * config/i386/i386.c (fcmov_comparison_operator): Check for
796 CCFPmode or CCFPUmode instead of CCmode.
797 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
798 unordered operations as well.
800 2000-10-31 Richard Henderson <rth@redhat.com>
802 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
803 of integer_zero_node.
805 2000-10-31 Richard Henderson <rth@redhat.com>
807 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
809 2000-10-31 Nick Clifton <nickc@redhat.com>
811 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
812 -fdata-sections to override the section attribute of a DECL.
814 2000-10-31 Chris Demetriou <cgd@sibyte.com>
816 * libgcc2.c (__shtab): Remove __shtab variable.
817 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
818 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
821 2000-10-31 Jim Wilson <wilson@redhat.com>
823 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
824 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
825 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
826 instead of ASM_OUTPUT_INTERNAL_LABEL.
827 (dwarf2out_end_block, dwarf2out_label): Likewise.
828 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
829 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
831 2000-10-31 Richard Henderson <rth@redhat.com>
833 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
834 (size_of_locs): Set it.
835 (output_loc_operands): Use it to compute branch displacement.
836 (int_loc_descriptor): New.
837 (mem_loc_descriptor): Dereference memory in the proper size.
838 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
839 (loc_descriptor_from_tree): New.
840 (rtl_for_decl_location): Break out from ...
841 (add_location_or_const_value_attribute): ... here.
842 (add_bound_info): Use loc_descriptor_from_tree.
844 2000-10-31 Neil Booth <neilb@earthling.net>
846 * cpp.texi: Update for new command line assertion syntax.
847 * cpplib.c (cpp_define): Simplify a bit.
848 (cpp_assert, cpp_unassert): Use handle_assertion.
849 (handle_assertion): New function; accept new command line
851 * testsuite/gcc.dg/cpp/assert3.c: New tests.
853 2000-10-31 Neil Booth <neilb@earthling.net>
855 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
856 undefined. Remove #ifdef check.
857 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
858 Define STDC_0_IN_SYSTEM_HEADERS to 1.
860 2000-10-31 Jan Hubicka <jh@suse.cz>
861 Jakub Jelinek <jakub@redhat.com>
863 * config/i386/i386.h: Clarify CCNOmode description in comment.
864 (EXTRA_CC_MODES): Remove CCRCmode.
865 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
866 (put_condition_code, ix86_match_ccmode): Likewise.
867 (ix86_cc_mode): Likewise. Fix comment.
868 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
869 * config/i386/i386.md: Add unspec 12 description.
870 (adddi3 split): Use unspec 12 instead of CCRCmode.
871 (addsi3_carry_rc): Remove.
872 (addsi3_cc, addqi3_cc): New patterns.
873 (addsi_3): Swap operands, match CCZmode.
874 (addsi_4): Rewritten.
875 (addsi_5): Renamed from addsi_6.
877 (addhi_3): Swap operands, match CCZmode.
878 (addhi_4): Rewritten.
879 (addhi_5): Renamed from addhi_6.
881 (addqi_3): Swap operands, match CCZmode.
882 (addqi_4): Rewritten.
883 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
884 (subsi3_carry_rc): Removed.
885 (iorqi_3): Use =q constraint for clobber.
886 (xorqi_cc_2): Likewise.
887 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
888 (x86_movsicc_0_m1_rc): Removed.
889 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
891 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
893 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
894 and decrement of complex types.
896 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
899 builtin fputs, ensure we still evaluate the stream in case it
902 2000-10-31 Jakub Jelinek <jakub@redhat.com>
904 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
907 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
909 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
910 (fp_extended_operand, emit_fpscr_use): Likewise.
911 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
912 (fpul_operand): New function.
913 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
914 fp_extended_operand. Add fpul_operand.
915 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
916 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
917 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
918 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
919 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
920 (divdf3_i): Likewise.
921 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
922 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
923 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
924 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
925 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
927 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
929 * config/i386/i386.c (ix86_init_builtins): Correct return type
930 building v4hi_ftype_v4hi_int_int tree node.
931 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
932 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
934 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
936 (mmx__uavgv8qi3): Correct insn mnemonic.
937 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
938 (mmx_punpckhwd): Correct insn mnemonic.
939 (mmx_punpckhdq): Likewise.
940 (mmx_punpcklwd): Likewise.
941 (mmx_punpckldq): Likewise.
942 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
943 Renumber case labels to match the _mm_prefetch constants defined in
946 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
947 if the splitter didn't emit new insns.
948 Make sure we call cleanup_subreg_operands even when splitting the last
949 insn in a basic block.
951 * invoke.texi (Debugging Options): Describe -do.
952 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
953 (dump_file): Likewise.
954 (rest_of_compilation): Split .greg dump into .greg and .postreload.
956 2000-10-30 Neil Booth <neilb@earthling.net>
958 * cppfiles.c (stack_include_file): Check for stacked contexts
960 * cpphash.h (_cpp_do__Pragma): New prototype.
961 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
963 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
964 escaped newlines if !(buffer->from_stage3).
965 (_cpp_lex_token): Warn about missing newlines iff
966 !buffer->from_stage3.
968 * cpplib.c (get__Pragma_string, destringize,
969 _cpp_do__Pragma): New functions.
970 (run_directive): Set output_line for _Pragma to avoid line
971 markers in output. Set from_stage3 and prevent macro expansion
972 for _Pragma and command-line options. Check buffer exhaustion.
973 (cpp_push_buffer): Don't check for stacked macro contexts, as
974 this is perfectly legitimate for _Pragma. Move the check to
975 stack_include_file instead. Set from_stage3 iff buffer is
978 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
979 unsigned. New boolean from_stage3.
980 (struct spec_nodes): Add n__Pragma.
982 * cppmacro.c (enter_macro_context): Flip sense of return value.
983 (_cpp_get_token): Handle _Pragma operator.
985 2000-10-30 Phil Edwards <pme@sources.redhat.com>
987 * gcc.texi: The C++ standard isn't "draft" anymore.
989 2000-10-30 Mark Mitchell <mark@codesourcery.com>
991 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
993 2000-10-29 Neil Booth <neilb@earthling.net>
995 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
997 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
999 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
1000 fixinc/inclhack.def: Change comments mentioning C9X to refer to
1003 * invoke.texi: Document that -V will only work for very similar
1004 versions of driver and compiler.
1006 2000-10-29 Neil Booth <neilb@earthling.net>
1008 * cppmacro.c (_cpp_create_definition): Optimize the case of
1009 a macro defined to itself.
1011 2000-10-29 Neil Booth <neilb@earthling.net>
1013 * cpplex.c (save_comment): Don't store new lines in C++ comments.
1015 2000-10-29 Michael Hayes <mhayes@redhat.com>
1017 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
1019 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
1021 * cpphash.c (cpp_forall_identifiers): Add context variable
1022 for callback routine.
1023 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
1025 (main): Call cpp_forall_identifiers with null context.
1026 * cpplib.h (cpp_forall_identifiers): Update prototype.
1028 * cppmain.c: Make `parse_in' and `print' static.
1030 2000-10-28 Alan Modra <alan@linuxcare.com.au>
1032 * c-decl.c (finish_function): Clear c_function_name_declared_p.
1034 2000-10-28 Richard Henderson <rth@redhat.com>
1036 * regrename.c (scan_rtx_address): Frob action, not class,
1037 when trying to disable optimization.
1039 2000-10-28 Mark Mitchell <mark@codesourcery.com>
1041 * c-semantics.c (make_rtl_for_local_static): Don't clobber
1042 DECL_ASSEMBLER_NAME.
1044 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
1046 * configure.in: Determine and substitute gcc_version_full.
1047 * configure: Regenerate.
1048 * gccbug.in: Use it to give full version. Don't allow
1051 2000-10-28 Richard Henderson <rth@redhat.com>
1053 * recog.c (split_all_insns): Run cleanup_subreg_operands
1056 * regrename.c (regrename_optimize): Verify that all registers of
1057 a multiple register mode are available.
1058 (scan_rtx_address): Accept the mode of the address; all callers
1061 * cpplib.c (run_directive): Fix prototype.
1063 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
1065 * reload.c (find_reloads): Distinguish "wins" so that we know whether
1066 a given operand won because of a matching constraint or not; then use
1067 that information to compute goal_alternative_matched properly.
1068 * reload1.c (choose_reload_regs): Never set reload_override_in for an
1071 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
1072 accurate value for MULT.
1073 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
1074 2% or > 98% before using static branch prediction bits.
1076 2000-10-28 Neil Booth <neilb@earthling.net>
1080 * cpplib.c (struct answer): New.
1081 (struct if_stack): Use cpp_lexer_pos rather than line and col.
1082 Rename cmacro mi_cmacro.
1083 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
1084 IN_I): New directive and flags.
1085 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
1086 parse_answer, parse_assertion, find_answer): New functions.
1087 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
1088 (lex_macro_node): New function to replace parse_ifdef and
1091 (_cpp_handle_directive): New function, combines _cpp_check_directive
1092 and _cpp_check_linemarker.
1094 (do_define, do_undef, parse_include, do_include, do_import,
1095 do_include_next, read_line_number, do_line, do_ident, do_pragma,
1096 do_pragma_once, do_pragma_poison, do_pragma_dependency):
1097 Update for new token getting interface.
1099 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
1100 : Update for new multiple-include optimisation technique.
1101 (do_elif): Don't forget to invalidate controlling macros.
1103 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
1104 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
1105 Functions to handle assertions with the new token interface.
1106 (do_assert, do_unassert): Use them.
1108 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
1111 (_cpp_init_stacks): Register directive names. Don't register special
1114 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
1115 new position recording regime.
1116 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1117 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1118 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
1119 (cpp_type2name): Move to cpplex.c.
1121 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
1122 (parse_defined): Update to handle new multiple include optimisation
1123 method. Remove poisoned identifier warning.
1124 (parse_assertion, TYPE_NAME): Delete.
1125 (lex): Update for multiple include optimisation, removal of
1126 CPP_DEFINED, to use _cpp_test_assertion for assertions and
1128 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
1129 (op_as_text): New function, to wrap cpp_token_as_text.
1131 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
1132 Update for MI optimisation.
1133 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
1134 segfault on diagnostic.
1135 (_cpp_compare_file_date): Take a token rather than 3 args.
1136 (cpp_read_file): Work correctly for zero-length files.
1138 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
1139 _cpp_init_hashtable and _cpp_cleanup_hashtable.
1140 (cpp_lookup): Place identifiers at front of identifier pool
1141 for _cpp_lookup_with_hash.
1142 (_cpp_lookup_with_hash): Require identifiers to be at the front of
1143 the identifier pool. Commit the memory if not already in the
1146 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
1147 Initialise various members of cpp_reader, memory pools, and the
1149 (cpp_printer_init): Delete.
1150 (cpp_cleanup): Update.
1151 (struct builtin, builtin_array, initialize_builtins): Update for new
1152 hashnode definition and builtin handling.
1153 (cpp_start_read, cpp_finish): Don't take or initialise a
1156 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
1157 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
1158 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
1159 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
1160 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
1161 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
1162 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
1163 struct toklist, struct cpp_context, struct specnodes,
1164 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
1165 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
1166 enum builtin_type, cpp_can_paste): New.
1167 (struct cpp_token): Delete line and col members.
1168 (struct cpp_buffer): New member output_lineno.
1169 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
1170 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
1171 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
1172 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
1173 base_context, context, directive, mi_state, mi_if_not_defined,
1174 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
1175 mlstring_pos, macro_buffer, macro_buffer_len.
1176 Delete members mls_line, mls_column, token_list, potential_control_macro,
1177 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
1178 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
1179 save_parameter_spellings, need_newline, .
1180 Change type of date, time and spec_nodes members.
1181 Change prototypes for include and ident callbacks.
1182 (struct cpp_hashnode): Change type of name. Remove union members
1183 expansion and code. Add members macro, operator and builtin.
1185 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
1186 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
1187 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
1188 cpp_stop_lookahead): New prototypes.
1189 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
1191 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
1192 Move from cpphash.h.
1194 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
1195 ufputs): Move to cpplib.h.
1196 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
1197 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
1198 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
1199 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
1200 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
1201 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
1202 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
1203 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
1204 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
1205 _cpp_parse_assertion, _cpp_find_answer): Delete.
1206 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
1207 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
1208 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
1209 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
1210 _cpp_handle_directive, DSC): New.
1211 (struct include_file): New member defined.
1213 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
1214 _cpp_compare_file_date): Update.
1215 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
1216 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
1217 _cpp_cleanup_hashtable.
1219 * Makefile.in: Remove cppoutput.c.
1221 * cppoutput.c: Delete
1223 * fixheader.c (read_scan_file): Update for new cpp_get_token
1225 (recognized_function): New argument LINE.
1227 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1228 new cpp_get_token prototype.
1230 * scan.h (recognized_function): Update prototype.
1232 * po/POTFILES.in: Remove cppoutput.c.
1234 2000-10-27 Mark Mitchell <mark@codesourcery.com>
1236 * c-typeck.c (check_init_type_bitfields): Remove.
1237 (constructor_incremental): Likewise.
1238 (struct constructor_stack): Remove incremental bit.
1239 (struct initializer_stack): Likewise.
1240 (start_init): Don't play with constructor_incremental.
1241 (finish_init): Likewise.
1242 (really_start_incremental_init): Likewise.
1243 (push_init_level): Likewise.
1244 (pop_init_level): Likewise.
1245 (output_init_level): Likewise.
1246 (output_pending_init_elements): Likewise.
1248 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
1250 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
1251 Improve error messages. Correct parsing of
1252 #pragma pack(pop [,id]). Do not check the user-supplied
1253 alignment if we're popping.
1255 * gcc.dg/pack-test-1.c: New test case.
1256 * gcc.dg/pack-test-2.c: New test case.
1257 * gcc.dg/pack-test-1.h: New file.
1259 2000-10-27 Neil Booth <neilb@earthling.net>
1263 2000-10-27 Kelley Cook <kelley.cook@home.com>
1265 * invoke.texi: Document -mintel-syntax
1267 2000-10-27 Richard Henderson <rth@redhat.com>
1269 * invoke.texi: Document -frename-registers. Add it to -O3.
1270 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
1271 (enum dump_file_index, dump_file): Update order.
1272 (main): Set flag_rename_registers at -O3.
1274 2000-10-27 Richard Henderson <rth@redhat.com>
1276 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
1277 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
1278 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
1279 * config/alpha/alpha.md (call_osf_1): Use it.
1280 (call_value_osf_1): Likewise.
1282 * config/ia64/ia64.c: Revert 10-23 patch.
1283 (ia64_hard_regno_rename_ok): New.
1284 * config/ia64/ia64-protos.h: Declare it.
1285 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
1287 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
1288 Richard Henderson <rth@redhat.com>
1290 * regrename.c: Rewrite to handle multi-register modes and
1291 cond_exec instructions.
1292 * Makefile.in (regrename.o): Update dependancies.
1293 * recog.h (struct operand_alternative): Add is_address.
1294 * recog.c (preprocess_constraints) [case 'p']: Set it.
1296 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
1298 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
1299 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
1300 top level. Kill oldstyle_subdirs. Do not include
1301 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
1302 $outputs. Do not run configure.lang from config.status.
1303 Rearrange warning-flag logic to correspond to what the
1304 makefile wants. Put special vax stage1 options in
1305 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
1306 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
1307 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
1308 switch is given, nothing otherwise.
1309 * configure.lang: Delete.
1311 * Makefile.in: Expunge all traces of extra_c_objs,
1312 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
1313 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
1314 warning options via a three level scheme so that -pedantic and
1315 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
1316 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
1317 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
1318 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
1319 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
1320 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
1321 generation rules. Wrap all rules that change the current
1322 directory in parentheses; pmake doesn't spawn a new shell for
1323 each command. Expunge all references to $(P). When one
1324 command depends on another and they're run all at once, use &&
1325 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
1326 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
1329 * objc/Make-lang.in: Wrap all rules that change the current
1330 directory in parentheses. Expunge all references to $(P).
1331 When one command depends on another and they're run all at
1332 once, use && to separate them, not ;. Add OUTPUT_OPTION to
1333 all object-file generation rules. Delete obsolete variables.
1334 * objc/Makefile.in: Delete.
1336 2000-10-27 Jakub Jelinek <jakub@redhat.com>
1338 * calls.c (expand_call): If sibcall_failure is set during pass 1,
1339 clear tail_call_insns as well.
1341 2000-10-27 Nick Clifton <nickc@redhat.com>
1343 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
1346 2000-10-26 Richard Henderson <rth@redhat.com>
1348 * calls.c (expand_call): Supress sibcall if we have a
1349 BLKmode return in registers.
1351 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
1353 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
1356 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
1358 * tree.c (make_node, case 't'): Set alignment to that of
1360 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
1362 2000-10-25 Mark Mitchell <mark@codesourcery.com>
1364 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
1365 * configure.in (enable-libstdcxx-v3): Arrange to have
1366 HAVE_LIBSTDCXX_V3 substituted into the output files.
1368 2000-10-25 Richard Henderson <rth@redhat.com>
1370 * recog.c (constrain_operands): Initialize which_alternative
1371 before no alternatives early exit.
1373 * cse.c (find_comparison_args): Check that we can reverse a
1374 comparison if needed before accepting the substitution.
1376 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
1378 * simplify-rtx.c (simplify_relational_operation): Sign extend
1379 low words before sign extending to high words.
1381 2000-10-25 Nick Clifton <nickc@redhat.com>
1383 * config/mcore/mcore.c: Include config.h before system.h.
1385 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
1387 * config/mcore/mcore.md (return): Force function epilogue to
1388 always be generated to work around epilogue suppression bug in
1391 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
1393 * c-decl.c (grokdeclarator): Move warning for qualified void
1394 return types with -pedantic to when the function type is
1395 constructed. At -W, warn in general for qualified function return
1396 types, except for volatile void.
1397 * invoke.texi: Document this new warning at -W.
1399 2000-10-25 Neil Booth <neilb@earthling.net>
1401 * cpp.texi: Update with implementation-defined behavior and
1404 2000-10-25 Jakub Jelinek <jakub@redhat.com>
1406 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
1407 incomplete type force it into alias set 0.
1409 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
1411 * alias.c: Include basic-block.h.
1412 (loop_p): New function.
1413 (mark_constant_function): Use it.
1414 * Makefile.in (alias.o): Update dependencies.
1416 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1418 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
1421 2000-10-24 Jim Wilson <wilson@cygnus.com>
1423 * expmed.c (store_bit_field): Move integer pun code down after
1424 code that calls emit_move_insn for entire register move.
1425 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
1426 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
1428 2000-10-24 Richard Henderson <rth@cygnus.com>
1430 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
1431 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
1433 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1435 * gcse.c (cprop_insn): do not propagate constants into jump_insn
1436 for machines with CC0 more than once.
1438 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
1440 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
1441 pseudos just like memory.
1443 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
1445 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
1446 when deleting libcall sequence collapsed to a single instruction.
1448 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
1450 * expr.c (do_store_flag): Don't crash if either side of a
1451 comparison is error_mark_node.
1453 2000-10-24 Jakub Jelinek <jakub@redhat.com>
1455 * sibcall.c (purge_mem_unchanging_flag): New function.
1456 (optimize_sibling_and_tail_recursive_calls): Call it.
1458 2000-10-24 Philipp Thomas <pthomas@suse.de>
1460 * Makefile.in (check-po): New target for doing checks in the po
1461 subdir if all languages configured.
1462 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
1463 configure if NLS is enabled.
1464 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
1465 otherwise leave empty.
1466 * configure: Regenerate.
1468 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1470 * i386.c (print_operand): Handle new 'A' formatting code.
1471 387 opcodes need suffixes even with -mintel-syntax.
1472 Check for explicit size override (codes 'b', 'w' and 'k').
1473 (print_operand_address): Check if register prefix is needed when
1474 emitting `ds' segment override.
1475 * i386.h: Add comment about new 'A' formatting code.
1476 * i386.md (jump and call patterns): Emit absolute references using %A.
1478 2000-10-23 Richard Henderson <rth@cygnus.com>
1480 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1481 output registers as fixed.
1482 (ia64_function_epilogue): Undo output fixation.
1484 2000-10-23 Richard Henderson <rth@cygnus.com>
1486 * config/alpha/alpha.md: Add names for all unnamed insns; use
1487 define_insn_and_split in some obvious places.
1489 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1490 (zero_extendqisi2, zero_extendqidi2): Likewise.
1491 (zero_extendhisi2, zero_extendhidi2): Likewise.
1492 (abs splitters): Fix match_scratch operand number.
1493 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1495 2000-10-23 Jim Wilson <wilson@cygnus.com>
1497 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1499 * ia64.md (cmpsi_adjusted): Use %r3.
1500 (cmpdi_adjusted): Likewise.
1502 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1504 * config/i386/att.h (ASM_FILE_START): Define.
1506 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1508 * config/i386/linux.h (ASM_FILE_START): Define.
1510 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1512 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1513 since this (only) drags in a crt0.o reference that the .ld files
1516 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1518 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1519 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1520 reloads just like an RELOAD_FOR_OUTPUT would.
1522 * local-alloc.c (update_equiv_regs): Add an abort(). When
1523 deleting or moving insns, update reg_equiv[regno].init_insns.
1525 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1527 * c-tree.texi: Improve documentation for IF_STMTs and related
1528 conditional statements.
1530 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1532 * expr.c (do_preexpand_calls): Remove.
1533 (same_from_p): Don't use CALL_EXPR_RTL.
1534 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1535 (preexpand_calls): Remove.
1536 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1537 (unsave_expr_1): Likewise.
1538 * tree.def (CALL_EXPR): Give it only two slots.
1539 * tree.h (CALL_EXPR_RTL): Remove.
1541 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1543 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1544 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1547 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1549 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1550 adjust stack when unadjusted_alignment ends up as zero.
1552 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1554 * fixinc/genfixes: Remove EGCS reference.
1555 * install.texi: Remove EGCS reference.
1556 * INSTALL: Regenerate.
1558 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1560 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1562 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1564 * diagnostic.c: Remove EGCS reference in comment.
1566 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1568 * loop.c (strength_reduce): Fix error in last change.
1570 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1572 * Makefile.in (SHLIB_NM_FLAGS): New.
1573 (libgcc.mk): Pass it.
1574 * mklibgcc.in (libgcc.map): Use it.
1576 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1577 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1579 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1581 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1583 * sparc.c (load_pic_register): Delete unused varaible.
1585 * libgcc2.c (__addvsi3): Delete unused variable.
1587 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1588 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1589 __negvdi2): Prototype.
1591 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1593 * toplev.c (display_target_options): Make static to match
1594 prototype. Delete empty declaration.
1596 2000-10-20 Tom Tromey <tromey@cygnus.com>
1598 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1599 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1601 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1603 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1605 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1606 a constant before comparing it; use tree_low_cst.
1607 * tree.c (save_expr): Set TREE_READONLY.
1608 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1609 (build, build1): Set TREE_READONLY if all operands are.
1610 (build_index_type): If upper bound is a negative number, lower
1611 bound is zero and sizetype is unsigned, use upper bound of one and
1614 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1616 * gcc.c (process_command, main): Use "because" instead of
1617 "since" in error messages.
1619 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1621 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1622 Don't use mode of field for record unless sizes are the same.
1623 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1624 previously added for Ada; also change to using host_integerp
1627 * loop.c (strength_reduce): Show when new register made for
1628 giv is known to be a pointer and its aligment if so and known.
1629 (loop_dump_aux): Show VERBOSE parameter unused.
1631 * gcse.c (set_hash_table_size): Now unsigned.
1632 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1633 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1634 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1635 (sdbout_end_epilogue): Remove variable NAME.
1636 * system.h (getopt): Add default definition.
1637 * config/alpha/alpha.c (print_operand): Don't continue processing
1638 after issuing error.
1639 (summarize_insn): Avoid use of UL in constant.
1641 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1643 * fold-const.c (force_fit_type): Unsigned values can overflow
1644 if they are sizetype.
1645 (int_const_binop): Don't use cache if overflows.
1647 2000-10-20 Richard Henderson <rth@cygnus.com>
1649 * function.c (locate_and_pad_parm): Zero alignment_pad.
1651 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1652 perform substitutions, and apply_change_group to see if it worked.
1654 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1656 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1658 * combine.c (struct undo): Change int to unsigned int.
1659 (do_SUBST_INT): Args are unsigned int.
1660 (make_extraction, force_to_mode): Use proper type when forming mask.
1661 (make_field_assignment): Likewise.
1663 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1665 * c-common.c (check_format_info_recurse): Extract string constant
1666 initializers from non-volatile constant arrays and check them as
1668 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1669 for DECL_MODE (decl) != BLKmode.
1670 (decl_constant_value_for_broken_optimization): New function which
1671 includes these checks.
1672 (default_conversion, convert_for_assignment, digest_init): Use
1673 decl_constant_value_for_broken_optimization instead of
1674 decl_constant_value.
1676 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1678 * tree.h (DECL_ALIGN_UNIT): New macro.
1680 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1682 * config/avr/avr-protos.h (avr_output_bld): New.
1683 (out_shift_with_cnt): Add t_len argument.
1684 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1685 (output_movqi, output_movhi, output_movsisf): Optimize loading
1686 any constant with exactly one bit set to NO_LD_REGS.
1687 (out_shift_with_cnt): Optimize output code for size or speed,
1688 depending on optimize_size. Handle small shift counts as well
1689 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1690 with or without a scratch register, with help of __tmp_reg__
1691 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1692 length of TEMPLATE in words, return total insn length in *LEN.
1693 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1694 out_shift_with_cnt to work with the above change.
1695 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1696 lshrsi3_out): Likewise. Optimize more known shift count cases.
1697 Remove cases already well optimized in out_shift_with_cnt.
1698 (avr_output_bld): New function.
1699 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1700 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1701 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1702 Add reload_completed to insn condition - only for peepholes.
1703 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1704 in a register or memory.
1705 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1706 Do not require a scratch register.
1707 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1708 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1709 Optimize shifts by known count using a scratch register, but only
1710 if one is still available after register allocation.
1712 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1714 * t-vax: New file. Don't build modules from libgcc1.c.
1716 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1718 * alias.c: (mark_constant_function): Don't check pure functions.
1719 Initialize and end alias analysis.
1720 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1721 Don't make a special exception for recursion. Handle
1722 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1723 unless it's volatile.
1725 * local-alloc.c (equivalence): New structure.
1726 (reg_equiv): Define.
1727 (contains_replace_regs): Remove array and use
1729 (memref_referenced_p): Likewise.
1730 (no_equiv): Likewise.
1731 (update_equiv_regs): Likewise.
1733 (equiv_init_varies_p,
1734 equiv_init_movable_p): New functions.
1735 (update_equiv_regs): Use them. Use rtx_varies_p
1736 instead of function_invariant_p. Process insns
1737 from end to beginning. Allow a REG_EQUIV insn
1738 within the same loop as a use to be moved, also
1739 allow it to be moved out of a loop. Update
1740 REG_DEAD notes when substituting into an insn.
1742 2000-10-19 Jim Wilson <wilson@cygnus.com>
1744 * c-decl.c (start_decl): Check for error_mark_node type before using
1746 (finish_decl): Likewise. Don't give an error if decl type is
1747 already error_mark_node.
1749 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1750 New local update_blocks. Use update_blocks to remove duplicates
1751 when computing update blocks. Check for bblst_table overflow.
1752 (schedule_block): Add explanatory comment. Reduce bblst_size by
1754 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1757 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1759 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1761 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1763 * expmed.c: Minor corrections in comments.
1764 * invoke.texi: Added desciption for the new option -ftrapv.
1766 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1768 * libgcc2.c: Added the missing #endif.
1770 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1772 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1774 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1776 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1777 Use smulv_optab for -ftrapv.
1778 (expand_mult_highpart): Use unsigned multiply.
1779 (expand_divmod): Special-case division by -1.
1780 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1781 For complex divide, use abs with unsigned result.
1782 * expr.c (force_operand): Use unsigned multiply.
1783 (expand_expr): Use overflow-trapping optabs for signed types if
1785 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1786 if the type is signed and the original call wasn't EXPAND_SUM or
1788 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1789 (negv_optab, absv_optab): Declare.
1790 * flags.h (flag_trapv): Declare.
1791 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1792 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1793 (gen_insn): Interpret '$P' as requiring an integer mode,
1794 including partial integer modes.
1795 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1796 (product_cheap_p): Use unsigned expand_mult.
1797 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1798 (negv_optab, absv_optab): Define.
1799 (expand_binop): Use overflow-trapping optabs for signed types if
1801 Handle negv_optab libe neg_optab.
1802 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1803 Use overflow-trapping optabs for signed result if flag_trapv.
1804 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1806 Don't open-code complex absolute-value operation for flag_trapv.
1807 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1808 sdivv_optab, negv_optab and absv_optab.
1809 * toplev.c (flag_trapv): Define.
1810 (lang_independent_options f_options): Include flag_trapv.
1811 * tree.h (TYPE_TRAP_SIGNED): Define.
1812 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1813 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1815 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1816 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1818 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1819 David V. Henkel-Wallace <gumby@cygnus.com>
1821 * config/i386/t-netware: Bring in from the Red Hat tree.
1822 * config/i386/netware.h: Likewise.
1823 * config/netware.h: Likewise.
1824 * config/rs6000/netware.h: Delete.
1825 * configure.in: Add i[34567]86-*-netware.
1826 * configure: Hand-edit to match configure.in change.
1828 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1830 * c-common.h (flag_no_builtin): Declare.
1831 (flag_no_nonansi_builtin): Likewise.
1832 (c_common_nodes_and_builtins): Change prototype.
1833 * c-common.c (flag_no_builtin): New variable.
1834 (flag_no_nonansi_builtin): Likewise.
1835 (c_common_nodes_and_builtins): Remove parameters. Adjust
1837 * c-decl.c (flag_no_builtin): Remove.
1838 (flag_no_nonansi_builtin): Likewise.
1839 (init_decl_processing): Adjust call to
1840 c_common_nodes_and_builtins.
1842 2000-10-18 Marc Espie <espie@openbsd.org>
1844 * tm.texi (LIBGCC_SPEC): Synch with reality.
1846 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1848 * c-common.c (check_format_types): Check for writing through a
1849 NULL pointer argument.
1851 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1853 * tm.texi (Exception Region Output): Document
1854 DWARF_CIE_DATA_ALIGNMENT.
1855 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1857 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1858 DWARF_CIE_DATA_ALIGNMENT.
1860 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1862 * basic-block.h (struct loop): Delete fields pre_header_root
1863 and pre_header_trace and replace with pre_header_edges
1864 and num_pre_header_edges.
1865 * flow.c (flow_loop_dump): Dump pre_header_edges.
1866 (flow_loops_free): Free pre_header_edges.
1867 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1869 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1871 * contrib.texi: Update references to steering committee members
1872 and Jeff Law's entry.
1874 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1876 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1877 (maybe_read_dollar_number, check_format_info_main): Use them for
1878 pedantic warning messages.
1880 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1882 * c-common.c (check_format_info_main): Minor cleanup: move
1883 variables into inner scopes; initialize declarations where
1884 appropriate; don't hardcode "scanf" name on warning for zero
1887 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1889 * c-common.c (back_end_hook): New variable.
1890 * c-common.h (back_end_hook): Declare it.
1891 * c-lang.c (finish_file): Use it.
1893 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1896 2000-10-18 Jan Hubicka <jh@suse.cz>
1898 * i386.c (ix86_comparison_operator, put_condition_code,
1899 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1900 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1901 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1902 * i386.md (adddi and negdi splitter): Use CCRCmode.
1903 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1904 (subsi3_carry): add '*'
1905 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1906 (cmp to add peep2): Use CCRCmode; swap operands.
1908 2000-10-18 Kazu Hirata <kazu@hxi.com>
1910 * h8300.c: Fix a comment typo.
1911 (round_frame_size): New.
1912 (compute_saved_regs): Likewise.
1915 (push_order): Remove.
1916 (pop_order): Likewise.
1917 (function_prologue): Rearrange code for readability.
1918 (function_epilogue): Likewise.
1920 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1921 expander that is used when not optimizing. Output a tab after
1922 each assembly insns.
1924 * reorg.c: Fix formatting.
1926 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1928 * reload1.c (move2add_note_store): Check for simple
1929 auto-inc in destination.
1931 2000-10-17 Michael Chastain <chastain@redhat.com>
1933 * config/i386/i386-aout.h: define INT_ASM_OP.
1935 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1937 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1939 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1941 * i370.md: Fix spelling typo.
1943 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1945 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1946 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1948 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1949 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1952 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1953 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1955 * rs6000/aix.h: ...to here.
1956 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1958 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1960 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1962 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1963 sure linker can relax even the delay slot mov %g1,%o7, fix output
1966 2000-10-17 Kazu Hirata <kazu@hxi.com>
1968 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1969 expander that is used when not optimizing. Output a tab after
1970 each assembly insns.
1972 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1974 * gcc.c: New options --target-help.
1975 (process_command): Added code to parse this new option.
1976 * toplev.c (display_target_options): New function to support the
1978 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1979 (cpp_handle_option): Support this new option.
1980 * invoke.texi: Added notes about --target-help option.
1982 2000-10-17 Graham Stott <grahams@redhat.com>
1984 * config/i386/i386.md (testqi_1): Add missing operand prefix
1986 * config/i386/i386-protos.h: Add missing prototype.
1988 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1990 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1991 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1992 using -mintel-syntax.
1994 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1996 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1997 (format_types): Use it for printf.
1998 (maybe_read_dollar_number): Add parameter for the kind of format
1999 involved. Warn for multiple use for arguments if this is
2000 inappropriate for the kind of format involved.
2001 (check_format_info_main): Update calls to maybe_read_dollar_number.
2003 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2005 * inclhack.def (hpux_maxint): Also apply fix to values.h.
2006 * fixincl.x: Rebuilt.
2008 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
2010 * genrecog.c (write_switch): Return the first condition that needs a
2013 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
2015 * c-tree.h (warn_sequence_point): Move declaration to...
2016 * c-common.h (warn_sequence_point): ... here.
2017 * c-decl.c (warn_sequence_point): Move definition to...
2018 * c-common.c (warn_sequence_point): ... here.
2019 (struct reverse_tree): New.
2020 (reverse_list, reverse_max_depth): New static variables.
2021 (build_reverse_tree, common_ancestor, modify_ok
2022 verify_sequence_points): New functions.
2023 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
2024 * c-typeck.c (check_modify_expr): Delete.
2025 (build_modify_expr): Don't call it.
2027 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2029 * c-common.h (warn_missing_format_attribute): New variable.
2030 * c-decl.c (warn_missing_format_attribute): New variable.
2031 (c_decode_option): Decode -Wmissing-format-attribute and
2032 -Wno-missing-format-attribute.
2033 * c-common.c (check_function_format): If
2034 -Wmissing-format-attribute, give a warning where a vprintf or
2035 vscanf function is called by a function without its own printf or
2037 * toplev.c (documented_lang_options): Add
2038 -Wmissing-format-attribute.
2039 * invoke.texi: Document -Wmissing-format-attribute.
2041 2000-10-17 Marc Espie <espie@openbsd.org>
2043 * invoke.texi (-shared): Insist on requiring code generation flags
2044 to be used along with -shared, and document the subtle failure that
2045 may occur otherwise.
2047 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2049 * pa.md (return_internal): Move `use' after `return'.
2051 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2053 * machmode.def: Correct comment.
2055 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
2057 * print-rtl.c (print_rtx_head): Constify.
2058 * rtl.h (print_rtx_head): Similarly.
2060 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
2061 Constify char * return value.
2063 (output_64bit_and, output_64bit_ior): Constify char * return value.
2064 (pa_can_combine_p): Make static.
2065 (function_arg): Decorate unused `named' argument. Fix comment typo.
2066 (function_arg_partial_nregs): Decorate unused `named' argument.
2068 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
2070 * c-common.c (format_check_results): New structure.
2071 (finish_dollar_format_checking): Adjust to take a
2072 format_check_results * parameter.
2073 (check_format_info, check_format_info_recurse,
2074 check_format_info_main): Split check_format_info into three
2075 functions, the main checking going in check_format_info_main.
2076 Recurse when any reduction of the format string argument towards a
2077 string literal is done; go down both branches of a conditional
2078 expression. Don't warn for extra format arguments or empty format
2079 strings if they only occur in some branches of a conditional
2082 2000-10-16 Kazu Hirata <kazu@hxi.com>
2084 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
2086 2000-10-16 Jakub Jelinek <jakub@redhat.com>
2088 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
2090 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
2092 * i386.md (*movsi_or): Switch operand order for intel syntax.
2094 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
2098 * gcc.texi (Contributing): Update.
2100 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
2102 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
2103 appropriate assembler dialect.
2105 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
2107 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
2109 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
2111 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
2112 constants 1 and 2 to NO_LD_REGS.
2114 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
2118 * objc/Make-lang.in (objc-parse.c): Likewise.
2120 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2122 * arm.c: Include obstack.h
2123 (minipool_obstack, minipool_startobj): Define.
2124 (arm_add_gc_roots): Initialize them.
2125 (create_fix_barrier): Use our new obstack.
2126 (push_minipool_barrier, push_minipool_fix): Likewise.
2127 (arm_reorg): Release obstack memory.
2129 2000-10-13 Jakub Jelinek <jakub@redhat.com>
2131 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
2132 (prologue, exception_receiver, builtin_setjmp_receiver): New
2134 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
2135 * config/sparc/sparc-protos.h (finalize_pic): Remove.
2136 (load_pic_register): New prototype.
2137 * config/sparc/sparc.c (pic_setup_code): Remove.
2138 (finalize_pic): Rename to...
2139 (load_pic_register): ...this function.
2140 Don't look for nonlocal_goto_receivers and emit pic setup code
2141 directly. Don't check current_function_uses_pic_offset_table.
2143 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2145 * tree.h (struct obstack): Declare.
2147 2000-10-12 Mark Mitchell <mark@codesourcery.com>
2150 * Makefile.in (ggc-callbacks.o): Remove target.
2151 (flow.o): Depend on GGC_H.
2152 * alias.c (init_alias_analysis):
2153 Remove ggc_p conditionals.
2154 (end_alias_analysis): Likewise.
2155 * basic-block.h (init_flow): New function.
2156 (allocate_reg_life_data): Declare.
2157 * bb-reorder.c (function_obstack): Replace with ...
2158 (flow_obstack): ... new variable.
2159 (fixup_reorder_chain): Use it.
2160 * c-decl.c (ggc_p): Remove.
2161 (caller-save.c): Don't call oballoc/obfree.
2163 undobuf): Remove storage.
2164 (try_combine): Don't call oballoc.
2165 (undo_all): Don't call obfree.
2166 * cse.c (insert): Use xmalloc, not
2168 (cse_main): Adjust accordingly.
2169 * dwarf2out.c (save_rtx): Remove
2171 (dwarf2out_init): Remove ggc_p conditionals.
2172 * emit-rtl.c (rtl_obstack): Remove.
2173 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
2174 (make_insn_raw): Likewise.
2175 (emit_insn_before): Likewise.
2176 (emit_insn_after): Likewise.
2177 (emit_insn): Likewise.
2178 (gen_sequence): Likewise.
2179 (copy_insn_1): Remove handling of `b' RTL components.
2180 (init_emit_once): Remove ggc_p conditionals.
2181 * except.c (create_rethrow_ref): Don't fool with obstacks.
2182 (add_partial_entry): Likewise.
2183 (call_get_eh_context): Likewise.
2184 (begin_protect_partials): Likewise.
2185 (protect_with_terminate): Likewise.
2187 (plus_constant_wide): Likewise.
2188 * expr.c (init_expr_once):
2190 (emit_block_move): Likewise.
2191 (clear_storage): Likewise.
2192 (expand_expr): Likewise.
2193 * flow.c (function_obstack): Remove.
2194 (flow_obstack): New variable.
2195 (flow_firstobj): Likewise.
2196 (create_base_block): Use the flow_obstack.
2197 (split_block): Likewise.
2198 (split_edge): Likewise.
2199 (calculate_global_regs_live): Likewise.
2200 (allocate_bb_life_data): Make it static. Likewiwse.
2201 (init_flow): New function.
2202 (size_int_type_wide): Remove ggc_p conditionals.
2204 (push_function_context_to): Don't call save_tree_status.
2205 (pop_function_context_from): Or restore_tree_status.
2206 (assign_stack_local_1): Don't call push_obstacks.
2207 (find_fixup_replacement): Use xmalloc.
2208 (fixup_var_refs_insns): Free the storage.
2209 (insns_for_mem_walk): Don't mess with obstacks.
2210 (instantiate_decls): Likewise.
2211 (trampoline_address): Likewise.
2212 (expand_function_end): Likewise.
2213 * function.h (sturct function):
2214 Remove obstack-related variables.
2215 (save_tree_status): Don't declare.
2216 (restore_tree_status): Likewise.
2217 * gcse.c (compute_can_copy):
2218 Don't call oballoc/obfree.
2219 * genattrtab.c (operate_exp): Remove
2221 (simplify_cond): Likewise.
2222 (simplify_test_exp): Don't mess with obstacks.
2223 (optimize_attrs): Likewise.
2224 * gengenrtl.c (gendef): Don't include
2226 * ggc-callbacks.c (ggc_p): Remove.
2227 * ggc-none.c (ggc_p): Remove.
2228 * ggc.h (ggc_p): Don't declare.
2229 * integrate.c (save_for_inline): Don't mess with obstacks.
2230 (integrate_decl_tree): Likewise.
2231 (output_inline_function): Likewise.
2233 (init_EXPR_INSN_LIST_cache): Likewise.
2234 * loop.c (temp_obstack):
2236 (rtl_obstack): Likewise.
2237 (init_loop): Don't mess with obstacks.
2238 (reg_address_cost): Free BIVs and GIVs.
2239 (check_insns_for_bivs): Use xmalloc, not oballoc.
2240 (find_mem_givs): Likewise.
2241 (record_biv): Likewise.
2242 (general_induction_var): Likewise.
2243 (product_cheap_p): Likewse.
2244 * optabs.c (init_one_libfunc): Remove
2246 * print-tree.c (debug_tree): Don't use
2248 (print_node): Likewise.
2249 * profile.c (output_func_start_profiler):
2250 Remove call to temporary_allocation.
2252 (eliminate_regs_in_insn): Don't mess with obstacks.
2254 (mark_target_live_regs): Use xmalloc.
2255 (free_resource_info): Free the memory.
2256 * rtl.c (rtl_obstack):
2258 (rtvec_alloc): Don't mess with obstacks.
2259 (rtx_alloc): Likewise.
2261 (copy_rtx): Don't handle `b' cases.
2262 (read_rtx): Use a local rtl_obstack.
2263 * rtl.h (oballoc): Remove.
2265 (pop_obstacks): Likewise.
2266 (push_obstacks): Likewise.
2267 (allocate_bb_life_data): Likewise.
2268 (allocate_reg_life_data): Likewise.
2269 (rtx_free): Likewise.
2270 * sdbout.c (sdbout_queue_anonymous_type):
2271 Use tree_cons, not saveable_tree_cons.
2273 (cselib_init): Don't mess with obstacks.
2275 (mark_block_nesting): Mark the label_chain.
2276 (epxand_label): Use ggc_alloc, not oballoc.
2277 (clear_last_expr): Don't mess with obstacks.
2278 (expand_decl_cleanup): Likewise.
2279 (expand_dcc_cleanup): Likewise.
2280 (expand_dhc_cleanup): Likewise.
2281 (expand_anon_union_decl): Likewise.
2282 (add_case_node): Use xmalloc, not oballoc.
2283 (free_case_nodes): New function.
2284 (expand_end_case): Call it.
2285 * stor-layout.c (layout_type): Don't
2287 (layout_type): Likewise.
2288 * toplev.c (wrapup_global_declarations):
2290 (compile_file): Remove ggc_p conditionals.
2291 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
2292 (decode_f_option): Remove ggc_p conditionals.
2294 (function_maybepermanent_obstack): Remove.
2295 (maybepermanent_obstack): Likewise.
2296 (function_obstack): Likewise.
2297 (tmeporary_obstack): Likewise.
2298 (momentary_obstack): Likewise.
2299 (temp_decl_obstack): Likewise.
2300 (saveable_obstack): Likewise.
2301 (rtl_obstack): Likewise.
2302 (current_obstack): Likewise.
2303 (expression_obstack): Likewise.
2304 (struct obstack_stack): Likewise.
2305 (obstack_stack): Likewise.
2306 (obstack_stack_obstack): Likewise.
2307 (maybepermanent_firstobj): Likewise.
2308 (temporary_firstobj): Likewise.
2309 (momentary_firstobj): Likewise.
2310 (temp_decl_firstobj): Likewise.
2311 (momentary_function_firstobj): Likewise.
2312 (all_types_permanent): Likewise.
2313 (struct momentary_level): Likewise.
2314 (momentary_stack): Likewise.
2315 (init_obstacks): Remove initialization of removed obstacks.
2316 (save_tree_status): Remove.
2317 (restore_tree_status): Likewise.
2318 (temporary_allocation): Liekwise.
2319 (end_temporary_allocation): Liekwise.
2320 (resume_temporary_allocation): Likewise.
2321 (saveable_allocation): Likewise.
2322 (push_obstacks): Likewise.
2323 (push_obstacks_nochange): Likewise.
2324 (pop_obstacks): Likewise.
2325 (allocation_temporary_p): Likewise.
2326 (permanent_allocation): Likewise.
2327 (preserve_data): Likewise.
2328 (preserve_initializer): Likewise.
2329 (rtl_in_current_obstack): Likewise.
2330 (rtl_in_saveable_obstack): Likewise.
2331 (oballoc): Likewise.
2333 (savealloc): Likewise.
2334 (expralloc): Likewise.
2335 (print_obstack_name): Likewise.
2336 (debug_obstack): Likewise.
2337 (object_permanent_p): Likewise.
2338 (push_momentary): Likewise.
2339 (perserve_momentary): Likewise.
2340 (clear_momentary): Likewise.
2341 (pop_momentary): Likewise.
2342 (pop_momentary_nofree): Likewise.
2343 (suspend_momentary): Likewise.
2344 (resume_momentary): Likewise.
2345 (make_node): Don't set TREE_PERMANENT.
2346 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
2347 Don't set TREE_PERMANENT.
2348 (get_identifier): Remove ggc_p conditionals.
2349 (build_string): Likewise.
2350 (make_tree_vec): Likewise.
2351 (build_decl_list): Remove.
2352 (build_expr_list): Likewise.
2353 (tree_cons): Remove ggc_p conditionals.
2354 (decl_tree_cons): Remove.
2355 (expr_tree_cons): Likewise.
2356 (perm_tree_cons): Likewise.
2357 (temp_tree_cons): Likewise.
2358 (saveable_tree_cons): Likewise.
2359 (build1): Remove ggc_p conditionals.
2360 (build_parse_node): Likewise.
2361 (build_type_attribute_variant): Don't mess with obstacks.
2362 (build_type_copy): Likewise.
2363 (type_hash_canon): Likewise.
2364 (build_pointer_type): Likewise.
2365 (build_reference_type): Likewise.
2366 (build_index_type): Likewise.
2367 (build_range_type): Likewise.
2368 (dump_tree_statistics): Don't print obstack information.
2370 (struct tree_common): Remove permanent_flag.
2371 (TREE_PERMANENT): Remove.
2372 (TREE_SET_PERMANENT): Likewise.
2373 (TYPE_OBSTACK): Likewise.
2374 (struct tree_type): Remove obstack.
2376 (savealloc): Likewise.
2377 (build_decl_list): Likewise.
2378 (build_expr_list): Likewise.
2379 (perm_tree_cons): Likewise.
2380 (temp_tree_cons): Likewise.
2381 (saveable_tree_cons): Likewise.
2382 (decl_tree_cons): Likewise.
2383 (expr_tree_cons): Likewise.
2384 (suspend_momentary): Likewise.
2385 (allocation_temporary_p): Likewise.
2386 (resume_momentary): Likewise.
2387 (push_obstacks_nochange): Likewise.
2388 (permanent_allocation): Likewise.
2389 (push_momentary): Likewise.
2390 (clear_momentary): Likewise.
2391 (pop_momentary): Likewise.
2392 (end_temporary_allocation): Likewise.
2393 (pop_obstacks): Likewise.
2394 (push_obstacks): Likewise.
2395 (pop_momentary_nofree): LIkewise.
2396 (preserve_momentary): Likewise.
2397 (saveable_allocation): Likewise.
2398 (temporary_allocation): Likewise.
2399 (resume_temporary_allocation): Likewise.
2400 (perserve_initializer): Likewise.
2401 (debug_obstack): Likewise.
2402 (rtl_in_current_obstack): Likewise.
2403 (rtl_in_saveable_obstack): Likewise.
2405 * varasm.c (current_obstack): Remove.
2406 (saveable_obstack): Remove.
2407 (rtl_obstack): Remove.
2408 (immed_double_const): Don't mess with obstacks.
2409 (immed_real_cons): Likewise.
2410 (output_constant_def): Likewise.
2411 (init_varasm_status): Use xcalloc.
2412 (mark_pool_constant): Mark the pool constant itself.
2413 (free_varasm_status): Free memory.
2414 (decode_rtx_const): Call bzero directly, rather than expanding it
2416 (record_rtx_const): Don't mess with obstacks.
2417 (force_const_mem): Likewise.
2418 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
2420 (aof_pic_entry): Likewise.
2421 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
2422 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
2423 * config/pa/pa.c (saveable_obstack): Remove.
2424 (rtl_obstack): Likewise.
2425 (current_obstack): Likewise.
2426 (output_call): Don't mess with obstacks.
2427 (hppa_encode_label): Remove ggc_p conditionals.
2428 * config/romp/romp.c (get_symref): Don't mess with obstacks.
2429 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
2430 (rs6000_encode_section_info): Likewise.
2431 * config/sh/sh.c (get_fpscr_rtx): Likewise.
2433 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
2435 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
2436 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
2437 (addsi3_carry): Canonicalize.
2438 (addqi_5): Remove '*'.
2439 (sbb pattern): Canonicalize.
2441 * i386.md (cmp to inc/add peep2): New.
2443 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
2445 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
2448 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2450 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
2451 * README.TRAD, TESTS.FLUNK: Remove.
2453 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2455 * c-common.c (decl_attributes): Don't allow strftime formats with
2456 first_arg_num nonzero.
2457 (check_format_info): Set wanted_type and wanted_type_name to zero
2458 before they are possibly assigned and used.
2460 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2462 * c-common.c (scanf_flag_specs): Add flags ' and I.
2463 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
2464 or the ^ and # flags together.
2465 (scan_char_table): Handle the ' and I flags.
2466 (format_types): Add ' and I flags for scanf.
2468 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2470 * c-common.c (print_char_table): Use the unpromoted type for
2471 lengths "h" and "hh" with conversions dioxXu.
2472 (check_format_types): Apply the default argument promotions where
2473 the wanted type is not a pointer target.
2475 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2476 Joseph S. Myers <jsm28@cam.ac.uk>
2478 * c-typeck.c (check_modify_expr): New function.
2479 (build_modify_expr): Call it if warn_sequence_point.
2480 * c-decl.c (warn_sequence_point): New variable.
2481 (c_decode_option): Handle -Wsequence-point and
2482 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2483 * c-tree.h (warn_sequence_point): Declare.
2484 * invoke.texi (-Wsequence-point): Document.
2485 * toplev.c (documented_lang_options): Add -Wsequence-point and
2486 -Wno-sequence-point.
2487 Original work by Michael Meeks, 16 Jun 1998.
2489 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2491 * tree.c (get_narrower): Don't look at precision of field if
2494 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2496 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2497 declaration for data with "progmem" attribute.
2499 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2501 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2502 Correct insn length if shift count is a memory operand.
2503 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2504 (*iorhi3_clobber): Change lo8 to hi8.
2505 (zero_extendhisi2): Change %B0 to %A1.
2506 (ashlhi3, ashrhi3): Correct insn length.
2507 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2508 from "clobber" to "set_n" in some alternatives.
2510 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2512 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2513 remove its insn_chain structure as well.
2515 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2517 * dbxout.c (dbxout_source_line): Remove extra tab.
2519 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2521 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2523 2000-10-09 Richard Henderson <rth@cygnus.com>
2525 * Makefile.in (LANG_LIB2FUNCS): Remove.
2526 (LIB2FUNCS): Remove _pure.
2527 (LIB2ADD): Remove LANG_LIB2FUNCS.
2528 (stage_a): Don't set LANG_LIB2FUNCS.
2529 * libgcc2.c (__terminate): Mark noreturn.
2530 (__pure_virtual): Remove.
2531 * mklibgcc.in: Remove LIB2ADD .txt processing.
2533 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2535 * arm.md (push_multi): Revert unintended change.
2537 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2539 * arm.c: Miscellaneous white space and comment clean-ups. No
2543 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2545 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2546 STRING_CST by calling combine_strings.
2548 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2550 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2551 (thumb_output_move_mem_multiple): Support new insn format.
2552 * arm.md (movmem12b): Use SSA compatible format.
2553 (movmem8b): Likewise.
2555 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2557 * arm.md (predicable): New attribute, default to "no".
2558 (all patterns): Mark as predicable if appropriate.
2559 (conditional execution splits): Split using predication format.
2560 (define_cond_exec): Define.
2561 * arm.c (arm_print_operand): handle insn predicate.
2563 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2565 * README.NS32K: Remove file.
2567 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2569 * README-bugs: Remove file.
2571 2000-10-08 Philipp Thomas <pthomas@suse.de>
2572 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2574 * configure: Rebuilt.
2576 2000-10-08 Philipp Thomas <pthomas@suse.de>
2577 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2578 disable catalog building if no suitable program was found.
2579 Move warning message from here
2580 (AM_GNU_GETTEXT): To here.
2581 * configure: Rebuilt.
2583 2000-10-08 Philipp Thomas <pthomas@suse.de>
2584 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2585 different cache variables.
2586 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2587 uses different cache variables.
2588 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2589 * configure: Regenerated.
2591 2000-10-08 Richard Henderson <rth@cygnus.com>
2593 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2594 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2595 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2598 * config/t-linux (SHLIB_EXT): New.
2599 (SHLIB_LINK): Use the entire build command, with substitutions.
2600 (SHLIB_LIBS): Remove.
2601 * config/alpha/t-osf4: Likewise.
2602 * config/mips/t-iris6: Likewise.
2603 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2604 * config/sparc/t-slibgcc-sld: ...here.
2605 * config/sparc/t-slibgcc: New file.
2607 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2610 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2612 (intmax_type_node, uintmax_type_node): Define.
2613 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2614 attributes create a type wider than intmax_t.
2615 (T_IM, T_UIM): Define properly.
2616 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2618 (init_decl_processing): Initialize intmax_type_node and
2620 * c-lex.c (lex_number): When pedantic and warning for integer
2621 constants that are too large, in C99 mode warn for those that have
2622 a type wider than long long.
2624 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2626 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2627 FMT_FLAG_FANCY_PERCENT_OK): Define.
2628 (format_char_info): Add flag "4" to comment.
2629 (format_flag_spec, format_flag_pair): New structures.
2630 (format_kind_info): Add additional fields to control format
2632 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2633 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2635 (time_char_table): Use "4" flag to handle %Ey.
2636 (format_types): Add entries for new fields.
2637 (get_flag_spec): New function.
2638 (check_format_info): Increase size of flag_chars[] to 256.
2639 Control format checking using the new fields of a format_kind_info
2640 and the new tables; remove all conditionals on printf_format_type,
2641 scanf_format_type or strftime_format_type. Handle all details of
2642 bad combinations of flags (including width, precision and strftime
2643 modifiers) through data rather than ad hoc code. Handle all
2644 details of standard versions in which flags appeared through
2645 data. Use the "4" flag.
2647 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2649 * config/h8300/h8300.md: Remove the memory alternative and correct
2650 the insn lengths in the templates for sign extention and zero
2653 2000-10-07 Richard Henderson <rth@cygnus.com>
2655 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2656 * flow.c (make_edges): Revert last change.
2658 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2660 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2662 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2664 * config/alpha/elf.h: Standardize the formatting.
2666 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2668 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2671 2000-10-06 Richard Henderson <rth@cygnus.com>
2673 * function.c (diddle_return_value): Examine
2674 current_function_return_rtx instead of the DECL_RESULT.
2675 (expand_function_end): Handle reloading DECL_RESULT from memory
2676 into a hard register. Query promote_mode for sign of mismatched
2679 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2681 * haifa-sched.c (schedule_insns): Fix typo in freeing
2682 forward_dependency_cache.
2684 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2686 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2687 `TARGET_SH2' as a condition.
2689 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2691 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2692 forward_dependency_cache): New variables.
2693 (add_dependence, remove_dependence): Use anti_dependency_cache and
2694 output_dependency_cache.
2695 (compute_block_forward_dependences): Use forward_dependency_cache.
2696 (schedule_insns): Allocate and free memory for anti/output/forward
2697 dependencies caches.
2699 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2701 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2702 `! TARGET_SH1'. Reindent.
2704 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2707 Move functions from here ...
2709 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2711 (c_expand_builtin): New function.
2712 (init_function_format_info): Don't set `check_function_format_ptr'.
2713 (c_common_nodes_and_builtins): Set built_in_class type for
2714 printf/__builtin_printf to BUILT_IN_FRONTEND.
2715 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2717 * c-common.h (build_function_call): Declare.
2719 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2720 to `lang_expand_expr' rather than `expand_builtin'.
2722 * tree.c (check_function_format_ptr): Delete.
2724 * tree.h (check_function_format_ptr): Likewise.
2726 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2728 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2729 DW_OP_bregx when cfa->reg > 31.
2731 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2734 2000-10-05 Richard Henderson <rth@cygnus.com>
2736 * c-decl.c (warn_missing_noreturn): Remove.
2737 (c_expand_body): Don't set or check can_reach_end.
2738 * c-tree.h (warn_missing_noreturn): Move ...
2739 * flags.h: ... here.
2740 (can_reach_end): Remove.
2741 * flow.c (check_function_return_warnings): New.
2742 (make_edges): No edge to exit for noreturn sibcalls.
2743 * function.c (expand_function_end): Save the return value
2744 clobber instruction.
2745 (mark_function_status): Mark it.
2746 * function.h (struct function): Add x_clobber_return_insn.
2747 * jump.c (can_reach_end): Remove.
2748 (calculate_can_reach_end): Remove.
2749 (jump_optimize_1): Don't call it.
2750 * output.h (check_function_return_warnings): Declare.
2751 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2752 (rest_of_compilation): Call check_function_return_warnings.
2754 2000-10-05 Richard Henderson <rth@cygnus.com>
2756 * Makefile.in (NM_FOR_TARGET): New.
2757 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2758 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2759 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2760 shared library build on that and EXTRA_MULTILIB_PARTS.
2761 * mkmap-flat.awk: New file.
2762 * mkmap-symver.awk: New file.
2763 * libgcc-std.ver: New file.
2764 * config/libgcc-glibc.ver: New file.
2765 * config/ia64/libgcc-ia64.ver: New file.
2766 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2767 (SHLIB_LINK): Add --version-script.
2768 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2769 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2770 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2771 (SHLIB_LINK): Add -M.
2773 2000-10-05 Richard Henderson <rth@cygnus.com>
2775 * Makefile.in (LIB2FUNCS): Add _clz.
2776 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2777 (__clz_tab): Put in its own unit, non-static.
2778 * libgcc2.h: Always include longlong.h.
2780 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2781 a zero instead of -1.
2782 (count_trailing_zeros): Likewise.
2784 2000-10-05 Richard Henderson <rth@cygnus.com>
2786 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2787 when second op1 is const0_rtx. Validate op0 as a register.
2788 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2789 in the first argument of the compare.
2790 (setcc_swapped_internal): Likewise.
2791 (setne_internal): Likewise.
2793 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2795 * tree.c (tree_size): New function split out of copy_node.
2796 (make_node): Remove obstack handling. Use tree_size.
2797 (copy_node): Use tree_size.
2798 * tree.h: Prototype tree_size.
2800 2000-10-05 Richard Henderson <rth@cygnus.com>
2802 * diagnostic.c (output_format): Add missing break.
2804 2000-10-05 Jim Wilson <wilson@cygnus.com>
2806 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2807 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2808 sequence insn to INSN, and delete last sequence insn.
2810 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2812 * gcc.c (main): Include generated configargs.h header
2813 and use arguments in '-v' output.
2815 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2817 * gcc.c: Move data on prefixes forward in file and reorganize.
2818 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2819 Always define, but make null if no value.
2820 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2821 and "md_startfile_prefix_1".
2822 (main): Check whether md_exec_prefix and the others are the
2823 null string rather than whether the macro is defined.
2825 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2827 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2828 from PSImode to SImode.
2830 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2832 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2833 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2834 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2837 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2839 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2840 negation in proper type.a
2842 2000-10-04 Richard Henderson <rth@cygnus.com>
2844 * configure.in (enable-shared): New.
2845 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2846 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2847 * mklibgcc.in: Use them to link shared a libgcc.
2848 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2849 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2850 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2851 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2853 * configure.in (alpha-osf*): Use t-osf and x-osf.
2854 * config/alpha/t-osf: New file.
2855 * config/alpha/t-osf4: New file.
2856 * config/alpha/x-osf: New file.
2857 * config/alpha/x-alpha: Remove file.
2859 2000-10-04 Will Cohen <wcohen@redhat.com>
2861 * c-typeck.c (process_init_element): Added warning for zero-length
2864 * extend.texi (Zero Length): State that static initializers for
2865 zero-length arrays are not allowed.
2867 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2869 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2872 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2874 * config/float-c4x.h: New.
2875 * configure.in (c4x-*): Set float_format to c4x.
2876 * configure: Regenerate.
2878 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2880 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2881 compilation for solaris versions 2.7 and greater.
2883 2000-10-02 Marc Espie <espie@openbsd.org>
2885 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2886 instead of redefining from scratch.
2888 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2890 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2892 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2894 * config/ns32k/genix.h: Remove.
2895 * config/ns32k/x-genix: Likewise.
2896 * config/ns32k/xm-genix.h: Likewise.
2897 * config/fx80: Remove all filee in directory.
2898 * config/pyr: Likewise.
2899 * config/tahoe: Likewise.
2900 * config/gmicro: Likewise.
2901 * config/spur: Likewise.
2902 * configure.in: Remove configury bits for above targets.
2903 * configure: Regenerated.
2905 * configure.in: Don't configure chill by default.
2906 * configure: Regenerated.
2908 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2909 (lang_mark_false_label_stack): Remove.
2910 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2911 <top level> string in GC area.
2912 (mark_splay_tree_node): New function.
2913 (mark_splay_tree): Likewise.
2914 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2916 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2917 * ggc-common.c (lang_mark_false_label_stack): Change type.
2918 * ggc.h (ggc_alloc_string): Add comment.
2919 (ggc_strdup): New function.
2921 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2923 * config/avr/avr.h (BRANCH_COST): Define as 0.
2925 * config/pdp11/pdp11.c: #include "tree.h" added.
2927 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2929 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2930 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2931 with known shift count.
2932 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2933 New alternative for shift count 2 with no scratch register.
2934 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2935 "set_n" for shift counts 1 and 2.
2937 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2939 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2940 the mask value from the individual SET operations.
2941 (return_internal_si): Move the USE after the RETURN.
2942 (return_internal_di): Likewise.
2943 (return_and_restore_fpregs_si): Likewise.
2944 (return_and_restore_fpregs_di): Likewise.
2945 (return_eh_si): Likewise.
2946 (return_eh_di): Likewise.
2947 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2949 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2950 Don't generate a PARALLEL around a single operation movsi_to_cr.
2951 Generate the RETURN first in any PARALLELs.
2953 * rtlanal.c (single_set_1): Use fatal_insn to display the
2954 invalid insn. Check for more cases when a USE or CLOBBER occurs
2956 * Makefile.in: Update dependencies for rtlanal.o.
2958 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2960 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2962 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2964 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2965 Consistently use @email for formatting email addresses.
2967 2000-09-29 Richard Henderson <rth@cygnus.com>
2969 * cse.c (notreg_cost): New argument outer.
2970 (COST): Pass in SET to notreg_cost
2972 (fold_rtx): Use COST_IN. Prefer constants when costs
2975 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2977 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2978 * fixinc/fixincl.x: Regenerate.
2980 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2982 * loop.c (check_final_value): A GIV is not replaceable if used
2985 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2987 * version.c: Bump to gcc-2.97.
2989 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2991 * final.c (final_scan_insn): Remove extra extract_insn call;
2992 Use caching for constrain_operands.
2993 (cleanup_subreg_operands): Use caching for extract_insn.
2994 * recog.c (constrain_operands_cached): New.
2995 * recog.h (constrain_operands_cached): Declare.
2996 * i386.c (ix86_attr_length_immediate_default,
2997 ix86_attr_length_address_default, ix86_agi_dependant): Cache
3000 * recog.c (asm_noperands): Tweak.
3001 (extract_insn): Do not call asm_noperads for non-asm instructions.
3003 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3005 * recog.c (recog_memoized): Rename to recog_memoized_1.
3006 * recog.h (recog_memoized): Rename to recog_memoized_1.
3007 (recog_memoized): New macro.
3008 * rtl.h (single_set): Rename to single_set_1
3009 (single_set): New macro.
3010 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
3013 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
3014 Do not use match_dup of input operands at outputs.
3015 Use register_operand for memory expression.
3016 (rep_movsi): Put use last, canonicalize.
3017 Use register_operand for memory expression.
3018 (rep_movqi): Put use last.
3019 Use register_operand for memory expression.
3020 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
3021 of input operands at outputs. Use register_operand for memory
3023 (rep_stossi): Put use last; canonicalize; fix match_dup in
3024 the address expression
3025 (rep_stosqi): Likewise.
3026 (memcmp expander): Update calls.
3027 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
3030 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
3032 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
3034 2000-09-28 David O'Brien <obrien@FreeBSD.org>
3036 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
3037 Contains the old contents of config/i386/freebsd.h
3038 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
3039 Contains the old contents of config/i386/freebsd-elf.h
3040 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
3041 config/i386/freebsd.h.
3042 * configure.in: Adjust for above changes.
3043 * po/POTFILES.in: Likewise.
3044 * po/en_GB.po: Likewise.
3045 * po/gcc.pot: Likewise.
3046 * configure: Rebuilt.
3048 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3050 * doloop.c (doloop_modify): Prevent delete_insn() from
3051 deleting too much. Prefer loop->top over loop->start as
3052 target for the new JUMP insn.
3053 (doloop_valid_p): Ignore loop with exit_count != 0.
3055 2000-09-28 Philipp Thomas <pthomas@suse.de>
3057 * invoke.texi (i386 Options): Add athlon to table of possible
3060 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
3062 * diagnostic.h (output_clear_message_text): New function.
3063 (output_message_text): New macro.
3065 * diagnostic.c (clear_text_info): Rename to
3066 output_clear_message_text.
3067 (output_clear): Adjust.
3068 (output_finish): Rename to output_finalize_message. Tweek.
3069 (output_to_stream): Adjust.
3071 2000-09-28 Neil Booth <neilb@earthling.net>
3073 * cpperror.c (_cpp_begin_message): Do the test for suppression
3074 of warnings and pedantic warnings before the "is a warning an
3076 * cppinit.c (cpp_handle_option): Remove surplus \n.
3077 * cpplex.c (ON_REST_ARG): Delete.
3078 (skip_block_comment): Initialise prevc.
3079 (parse_args): Improve error messages.
3080 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
3082 * cpplib.c (cpp_push_buffer): Fix grammar in message.
3083 * cppmain.c (main): Set callbacks for #ident and #pragma
3084 only if no_output option is false.
3085 (do_pragma_implementation): Only call the #pragma handler
3086 if it is set in the cpp_reader structure.
3088 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
3090 * integrate.c (copy_insn_list): if an ignored return value
3091 is being clobbered, skip cloning that into the inline copy.
3093 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
3095 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
3096 use @uref for formatting URLs.
3098 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
3100 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
3103 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
3105 * gcc.c (cpp_options): Add spec for -ftabstop=.
3106 (invoke_as): New spec that handles invoking as.
3107 Update specs to handle -save-temps and -traditional.
3108 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
3110 * cp/lang-specs.h, objc/lang-specs.h: Update to use
3111 invoke_as, and handle -save-temps and -traditional (if
3114 2000-09-26 Jakub Jelinek <jakub@redhat.com>
3116 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
3118 (function_arg_slotno): Accept TImode/CTImode.
3119 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
3122 2000-09-26 Michael Hayes <mhayes@cygnus.com>
3124 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
3127 2000-09-25 Jim Wilson <wilson@cygnus.com>
3129 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
3130 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
3131 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
3132 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
3134 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
3136 * cpplex.c (parse_args): Don't set VOID_REST flag.
3137 (CONTEXT_VARARGS): New flag.
3138 (maybe_paste_with_next): Set context earlier in loop. Use
3139 it. Do varargs test with CONTEXT_VARARGS flag.
3140 (push_arg_context): Set CONTEXT_VARARGS flag if we're
3141 pushing an argument context for a varargs argument.
3142 * cpplib.h (VOID_REST): Delete.
3143 * gcc.dg/cpp/vararg1.c: Add test case.
3145 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
3147 * flags.h: Declare warning flag warn_system_headers.
3148 * toplev.c: Define it.
3149 (W_options): Add option -Wsystem-headers.
3150 * diagnostic.c (count_error): Test warn_system_headers.
3151 * invoke.texi: Add description for -Wsystem-headers.
3152 * cpplib.h (cpp_options): New member warn_system_headers.
3153 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
3154 CPP_IN_SYSTEM_HEADER.
3155 * cpplib.c (do_import, do_pragma_once): Likewise.
3156 * cpperror.c (_cpp_begin_message): Test warn_system_headers
3157 and CPP_IN_SYSTEM_HEADER.
3158 * cppinit.c (handle_option): Recognize -Wsystem_headers.
3159 (print_help): Describe -Wsystem_headers.
3160 * cpplex.c (lex_line): Reorganize condition so that warnings
3161 about C++ comments in system headers can be enabled. Remove
3162 label do_line_comment.
3164 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
3166 * cpplex.c (save_comment): Only store the initial '/'
3168 (lex_token): Combine handling of the two comment types.
3169 Pass everything but the initial '/' to save_comment.
3171 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
3173 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
3174 _cpp_can_paste): New library-internal prototypes.
3175 * cpplex.c (dump_param_spelling, output_line_command,
3176 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
3177 cpp_printf, cpp_output_list): Move to cppoutput.c.
3178 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
3179 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
3181 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
3182 dump_param_spelling, output_line_command, cpp_scan_buffer,
3183 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
3185 * Makefile.in: Add cppoutput.c.
3186 * po/POTFILES.in: Add cppoutput.c.
3188 2000-09-25 Richard Henderson <rth@cygnus.com>
3190 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
3191 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
3192 split until after reload.
3193 (rotlsi3, rotldi3): New.
3195 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
3197 * diagnostic.c (output_last_position): Define.
3198 (set_real_maximum_length): Tweek.
3199 * diagnostic.h (output_last_position): Declare.
3201 2000-09-25 Kazu Hirata <kazu@hxi.com>
3203 * config/i386/i386.c: Fix formatting.
3205 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
3207 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
3208 UNITS_PER_WORD is small.
3210 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * c-common.c (format_char_info): Add flags2; update comments.
3213 (print_char_table, scan_char_table, time_char_table): Split some
3214 flags out into flags2.
3215 (check_format_info): Use flags2 for those flags, for identifying
3216 the initial character of a scanf scanset, and for identifying
3217 printf formats where the '0' flag is ignored with precision.
3219 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
3221 Changes below marked "here" add TABs on either or both sides,
3222 covering start of line, up to any operand for all noted .*ASM.*_OP
3223 definitions. All callers changed.
3224 * tm.texi: Make documented *_ASM.*_OP:s include spacing
3225 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
3226 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3227 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3228 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
3229 Fix typos in description for LONG_LONG_TYPE_SIZE and
3230 FINI_SECTION_ASM_OP.
3231 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
3232 why these defaults don't have leading spacing.
3233 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
3234 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3235 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
3236 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
3237 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
3238 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
3239 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
3240 * varasm.c (ASM_STABS_OP): Here.
3241 * xcoffout.h (ASM_STABS_OP): Here.
3242 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3243 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3244 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
3245 STRING_ASM_OP): Here.
3246 * config/freebsd.h (IDENT_ASM_OP): Here.
3247 * config/linux-aout.h (SET_ASM_OP): Here.
3248 * config/linux.h (SET_ASM_OP): Here.
3249 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3251 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3252 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
3253 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3254 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3256 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3257 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3258 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
3259 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3260 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
3261 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3262 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
3263 * config/a29k/udi.h (INT_ASM_OP): Here.
3264 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
3265 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3267 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
3268 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3269 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3270 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
3271 ASM_STABD_OP): Here.
3272 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
3273 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
3274 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3275 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
3276 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
3277 SIZE_ASM_OP, STRING_ASM_OP): Here.
3278 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
3279 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
3280 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
3281 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
3282 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
3283 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
3285 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3286 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
3287 * config/arm/coff.h (INT_ASM_OP): Here.
3288 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3289 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
3290 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
3291 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
3292 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3293 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3294 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
3295 STRING_ASM_OP): Here. Update documentation copy in comments.
3296 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
3297 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
3298 DATA_SECTION_ASM_OP): Here.
3299 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
3301 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
3302 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3303 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3304 BSS_SECTION_ASM_OP): Here.
3305 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3306 BSS_SECTION_ASM_OP): Here.
3307 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3309 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
3310 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3311 * config/h8300/h8300.h (ASM_WORD_OP): Here.
3312 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3313 BSS_SECTION_ASM_OP): Here.
3314 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
3315 * config/i386/bsd.h (ASM_BYTE_OP): Here.
3316 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
3317 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
3318 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
3320 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
3321 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
3323 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
3324 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3325 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
3326 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3328 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
3329 * config/i386/netbsd.h (INT_ASM_OP): Here.
3330 * config/i386/openbsd.h (INT_ASM_OP): Here.
3331 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
3332 IDENT_ASM_OP): Here.
3333 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
3334 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
3335 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
3336 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
3337 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
3338 SHARED_BSS_SECTION_ASM_OP): Here.
3339 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
3340 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3341 DATA_SECTION_ASM_OP): Here.
3342 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3343 CONST_SECTION_ASM_OP): Here.
3344 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
3345 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3346 BSS_SECTION_ASM_OP): Here.
3347 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
3348 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
3349 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
3350 BSS_ASM_OP): Here, but use trailing spaces.
3351 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3352 DATA_SECTION_ASM_OP): Here.
3353 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
3355 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
3356 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
3357 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3358 TDESC_SECTION_ASM_OP): Here.
3359 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
3360 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3361 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3363 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3364 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3365 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3366 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3367 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
3368 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
3369 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3370 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
3371 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
3372 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
3373 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3374 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3376 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3377 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3378 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
3379 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
3380 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
3381 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
3382 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
3383 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3384 GLOBAL_ASM_OP): Here.
3385 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
3386 BSS_SECTION_ASM_OP): Here.
3387 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
3388 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3389 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
3390 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
3392 * config/m68k/newsgas.h (SET_ASM_OP): Here.
3393 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
3394 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3395 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3396 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3397 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
3398 but use trailing spaces.
3399 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
3400 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
3401 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
3403 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3404 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3405 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3406 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3407 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3408 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
3409 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
3410 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
3411 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
3412 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
3413 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3414 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
3416 * config/m88k/openbsd.h (SET_ASM_OP): Here.
3417 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3418 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3419 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
3420 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
3421 DTORS_SECTION_ASM_OP): Here.
3422 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
3423 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3424 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
3425 BSS_SECTION_ASM_OP): Here.
3426 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
3427 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
3428 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
3429 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
3430 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
3431 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3432 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
3433 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
3435 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
3437 * config/mips/osfrose.h (SET_ASM_OP): Here.
3438 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
3439 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
3440 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
3441 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3443 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
3444 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
3445 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
3446 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
3447 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
3448 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3450 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3452 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
3453 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
3454 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
3456 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
3457 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
3458 * config/sparc/linux.h (COMMON_ASM_OP): Here.
3459 * config/sparc/linux64.h (COMMON_ASM_OP,
3460 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3461 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
3462 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3463 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
3464 * config/sparc/pbd.h (ASM_INT_OP): Here.
3465 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
3466 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3467 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3468 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3469 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3470 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3471 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3472 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3473 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3474 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3475 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3476 EH_FRAME_SECTION_ASM_OP): Here.
3477 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3478 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3480 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3482 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3483 TCOMMON_ASM_OP): Here.
3484 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3486 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3489 2000-09-25 Richard Henderson <rth@cygnus.com>
3491 * expmed.c (store_bit_field): Adjust last change to not consider
3492 any word-sized field naturally aligned.
3494 2000-09-24 Richard Henderson <rth@cygnus.com>
3496 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3497 TFmode unordered compares properly. Revalidate integer compare
3499 (alpha_emit_setcc): New.
3500 (alpha_emit_conditional_move): Revalidate integer compare operands.
3501 * config/alpha/alpha-protos.h: Update.
3502 * config/alpha/alpha.md (cmpdi): Allow general operands.
3503 (sne): Use alpha_emit_setcc.
3504 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3505 (sunordered, sordered): New.
3507 2000-09-24 Richard Henderson <rth@cygnus.com>
3509 * config/ia64/ia64-protos.h: Update.
3510 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3511 (ia64_expand_call): New.
3512 (ia64_expand_prologue): Emit an alloc if we need extra input
3514 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3515 instruction if true.
3516 (struct reg_flags): Add is_sibcall.
3517 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3518 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3519 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3520 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3521 * config/ia64/ia64.md (call): Use ia64_expand_call.
3522 (call_value): Likewise.
3523 (sibcall, sibcall_value): New.
3524 (call patterns): Remove extra expanders; tidy.
3525 (sibcall_epilogue): New.
3526 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3528 2000-09-24 Richard Henderson <rth@cygnus.com>
3530 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3532 * sibcall.c (skip_pic_restore): New.
3533 (identify_call_return_value): Use it.
3535 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3537 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3538 functions. Generalize to handle both C and C++.
3539 * Makefile.in (c-tree.info): New target.
3540 (info): Add c-tree.info.
3542 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * expr.c (store_field): If BITSIZE is negative, use size of type.
3545 (expand_expr, case COMPONENT_EXPR): Likewise.
3547 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3549 * cpplex.c: Update TODO comment.
3550 * cpplib.c (do_error, do_warning): Merge common code of
3551 do_error and do_warning into do_diagnostic. Use it.
3552 (do_diagnostic): New function.
3553 * cpplib.h: Fix comment typo.
3555 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3557 * c-common.c (check_format_info): Warn for a wide character string
3558 used as a non-wide format argument.
3560 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * builtins.def (BUILT_IN_LLABS): Add.
3563 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3564 * c-common.c (c_common_nodes_builtins): Create builtin functions
3565 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3566 outside of C99 mode.
3567 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3569 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3571 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3572 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3573 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3574 _cpp_free_toklist): No need to worry about extra dummy token
3575 at the start of token lists any more.
3576 (trigraph_ok): Only warn outside comments.
3577 (skip_block_comment): Set and clear lexing_comment.
3578 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3579 Set and clear lexing_comment.
3580 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3581 (check_long_token): Delete.
3582 (lex_percent, lex_dot): New subroutines of lex_token to
3583 handle lexing of '.' and '%' without lookback.
3584 (lex_token): Use lex_dot and lex_percent.
3585 (lex_line): Don't check for LIST_OFFSET.
3586 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3587 * cpplib.c (_cpp_parse_assertion): Similarly.
3588 (cpp_push_buffer): Initialize extra_char.
3589 * cpplib.h (LIST_OFFSET): Delete.
3590 (struct cpp_buffer): New member extra_char.
3591 (struct lexer_state): New members lexing_comment and seen_dot.
3593 2000-09-23 Jason Merrill <jason@redhat.com>
3595 * config/rs6000/x-aix41 (CLIB): Define here.
3596 * config/rs6000/t-aix43: Not here.
3597 * config/rs6000/t-aix41: Or here. Remove.
3598 * configure.in: Don't use it.
3600 2000-09-22 Jason Merrill <jason@redhat.com>
3602 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3603 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3604 * config.in: Regenerate.
3606 * configure.in: Fix checks for assembler features when using a
3607 one-tree assembler that has not yet been built.
3608 Fix --disable-threads.
3610 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3612 * stmt.c (expand_asm_operands): Allow # in constraints.
3614 2000-09-22 Jason Merrill <jason@redhat.com>
3616 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3618 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3619 function-local names.
3621 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3622 Mark Mitchell <mark@codesourcery.com>
3624 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3625 * flags.h (warn_disabled_optimization): Add it here.
3626 * gcse.c (gcse_main): Add warning when disabled.
3627 * invoke.texi: Document -Wdisabled-optimization.
3629 2000-09-21 Jason Merrill <jason@redhat.com>
3631 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3633 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3634 (gen_variable_die): Call it for non-definitions.
3636 * dwarf2out.c (die_struct): Add die_mark field.
3637 (mark_dies, unmark_dies): New fns.
3638 (clear_die_sizes): Remove.
3639 (print_die): Check die_symbol rather than die_offset.
3640 (build_abbrev_table, output_pubnames, output_aranges): Check
3641 die_mark rather than die_offset.
3642 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3645 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3647 * cppfiles.c (lookup_include_file): Rename to open_file.
3648 Always create a splay tree value, even on syscall failures.
3649 Negative entries indicated by fd == -2.
3650 Re-open files closed in the meantime.
3651 (_cpp_fake_include): Create a negative splay tree entry.
3652 (find_include_file, cpp_read_file): Update for function name
3654 * gcc.gd/cpp/mi4.c: Testcase.
3656 2000-09-21 Nick Clifton <nickc@redhat.com>
3658 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3659 ARM and THUMB modes.
3661 * config/mcore/mcore.c: Fix compile time warnings.
3662 * config/mcore/mcore-protos.h: Fix compile time warnings.
3664 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3666 * configure.in: Correct test of gcc_cv_glibc.
3667 * configure: Rebuilt.
3668 * config.in: Rebuilt.
3670 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3672 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3673 (expand_builtin): Handle BUILT_IN_FWRITE.
3675 * builtins.def (BUILT_IN_FWRITE): New entry.
3677 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3679 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3681 * gcc.c (modify_target): New variable and struct.
3682 (process_command): Handle MODIFY_TARGET_NAME.
3683 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3684 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3686 * c-decl.c (finish_decl): Add else's to avoid referencing
3687 TYPE_DOMAIN of an ERROR_MARK.
3689 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3691 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3694 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3696 * config/avr/avr.md (neghi2): Add alternative for input and output
3697 operands in different registers, as in negsi2.
3698 (*negsi2): Remove '*' from the name. Use "movw" if available.
3700 2000-09-19 Jim Wilson <wilson@cygnus.com>
3702 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3703 HAVE_GAS_HIDDEN macro.
3705 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3707 * cpplex.c (lex_line): Drop the EOF token for unknown
3708 directives in assembler.
3710 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3712 * configure.in: Allow enable_threads_flag value of "aix". Define
3713 thread_file as "aix" for AIX 4.3 and above.
3714 * configure: Regenerated.
3716 * gthr-aix.h: New file.
3718 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3719 Remove 403 processor multilib match. Fix rios2 processor multilib
3722 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3723 to return to appropriate csect.
3725 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3727 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3729 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3730 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3733 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3736 * c-common.c (init_function_format_info): Handle __builtin_printf.
3737 Set `check_function_format_ptr'.
3738 (c_common_nodes_and_builtins): Set `puts_ftype' and
3739 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3740 __builtin_printf and printf.
3742 * tree.c, tree.h (check_function_format_ptr): Declare.
3744 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3746 * cppfiles.c (read_include_file): Take no special action for
3749 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3751 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3752 rather than that of branch.
3753 (shorten_branches): Don't increment insn_current_address twice.
3755 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3756 * loop.h (struct induction): Delete members derived, ix and last_use.
3757 (struct loop_ivs): Delete members first_increment_giv and
3759 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3760 recombine_givs): Delete functions.
3761 (find_and_verify_loops): Don't initialize cont_dominator.
3762 (strength_reduce): Lose code to try to find bivs that can be
3763 expressed as givs of another biv, and to convert biv increments
3765 Lose loop_scan_start variable, always use loop->scan_start.
3766 Don't call recombine_givs. Don't handle derived givs.
3767 (record_giv): Don't initialize derived and last_use fields.
3768 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3770 * unroll.c (derived_regs): Delete static variable.
3771 (unroll_loop): Don't initialize it.
3772 (copy_loop_body): Lose code to handle derived givs.
3773 (find_splittable_givs): Don't check for givs made from biv
3775 Don't set derived_regs.
3777 Fix misapplied earlier patch:
3778 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3780 (floatsisf2): Generate floatsisf_ie by default.
3781 (floatsisf_i4): Conditional on TARGET_SH4.
3783 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3784 predicate for the expanders.
3786 2000-09-19 Richard Henderson <rth@cygnus.com>
3788 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3789 in addition to pentium and pentiumpro symbols.
3790 (CPP_CPU_DEFAULT_SPEC): Likewise.
3792 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3795 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3796 if the tree has side effects.
3797 (warn_if_unused_value): Do not warn about void constructs.
3799 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3801 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3802 calling invert_jump.
3804 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3806 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3809 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * Makefile.in (c-common.o): Depend on diagnostic.h.
3813 * c-common.c: Include diagnostic.h.
3815 (status_warning): New function.
3816 (check_format_info, maybe_read_dollar_number, check_format_types,
3817 finish_dollar_format_checking, check_function_format): Accept a
3818 `status' parameter. All callers changed.
3820 * c-common.h (check_function_format): Accept a `status' parameter.
3822 * c-typeck.c: Update call to `check_function_format'.
3824 2000-09-18 Richard Henderson <rth@cygnus.com>
3826 * c-decl.c (c_expand_body): Call mark_varargs before
3827 expand_function_start.
3829 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3831 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3832 * config/rs6000/eabi-ci.asm: Likewise.
3834 2000-09-18 Richard Henderson <rth@cygnus.com>
3836 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3839 2000-09-18 Jim Wilson <wilson@cygnus.com>
3841 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3842 before passing it to fold_rtx_mult_add.
3844 * unroll.c (final_giv_value): Pass increment through
3845 extend_value_for_giv before passing it to emit_iv_add_mult.
3847 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3848 paradoxical subreg, then directly substitute the replacement and
3851 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3853 * cpp.texi: Update documentation, including some clarifications,
3854 the treatment of various newline combinations, and space between
3855 backslash and newline.
3857 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3859 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3860 Replace ASM_OUTPUT_LABELREF with assemble_name.
3862 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3864 * sh.c (addsubcosts): CONST is not cheap.
3865 (find_barrier): For Sh1, take alignment after jumps into account.
3867 2000-09-15 Andrew Haley <aph@redhat.com>
3869 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3870 remove all SETs of SUBREGs of hard registers.
3871 * function.c (purge_hard_subreg_sets): New function.
3872 (purge_single_hard_subreg_set): New function.
3873 * rtl.h: (purge_hard_subreg_sets): New function.
3875 2000-09-18 Richard Henderson <rth@cygnus.com>
3877 * config/ia64/ia64-protos.h: Update.
3878 * config/ia64/ia64.c (signed_inequality_operator): New.
3879 (ia64_expand_compare): New.
3880 (ia64_register_move_cost): Handle PR_REGS moves.
3881 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3882 (struct reg_write_state): Add written_by_and/or.
3883 (struct reg_flags): Add is_and/or.
3884 (rws_update): Set them.
3885 (rws_access_regno): Test them to allow parallel comparisons.
3886 (rtx_needs_barrier): Recognize parallel comparisons.
3887 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3888 Call recog_memoized; ignore pred_rel_mutex.
3889 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3890 (ia64_reorg): Do it here instead.
3891 * config/ia64/ia64.h: s/CCmode/BImode/g
3892 (MODES_TIEABLE_P): Don't tie BImode.
3893 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3894 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3895 (RTX_COSTS): Make multiply 4 insns.
3896 (MEMORY_MOVE_COST): New.
3897 (PREDICATE_CODES): Update.
3898 * config/ia64/ia64.md: s/CCmode/BImode/g
3899 (movcci, movbi): New.
3900 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3901 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3902 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3903 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3904 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3905 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3906 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3907 (mulsi, muldi): Use xmpy not xma.
3909 (movcc, movcc_internal): Remove.
3910 (branch expanders): Use ia64_expand_compare.
3911 (setcc expanders): Likewise.
3912 (cmov insns): Use move_operand and ia64_move_ok.
3913 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3914 scheduler from moving it past a use.
3915 * config/ia64/build.hacks: Remove.
3917 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3919 * cpphash.h (HASHSTEP): Take character rather than pointer
3921 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3923 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3925 * cpplex.c (auto_expand_name_space, trigraph_replace,
3926 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3927 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3928 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3929 KNOWN_DIRECTIVE): Delete.
3931 (handle_newline, check_long_token, skip_escaped_newlines,
3932 unterminated): New functions.
3933 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3935 (parse_identifier): Was parse_name, new implementation.
3936 (skip_line_comment, skip_block_comment, skip_whitespace,
3937 parse_number, parse_string, trigraph_ok, save_comment,
3938 adjust_column, _cpp_get_line): New implementations.
3940 (lex_token): New function. Lexes a token at a time, looking
3941 forwards. Contains most of the guts of the old lex_line.
3942 (lex_line): New implementation, using lex_token to obtain
3944 (cpp_scan_buffer): Use the token's line, not the list's line.
3946 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3947 New implementations.
3948 (do_assert): Don't bother setting the answer's list's line.
3949 (cpp_push_buffer): Initialise new pfile and read_ahead members
3950 of struct cpp_buffer.
3952 * cpplib.h (cppchar_t): New typedef.
3953 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3955 (struct lexer_state): New structure that determines the state
3956 and behaviour of the lexer.
3957 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3958 (struct cpp_reader): New member "state". Rename
3959 multiline_string_line and multiline_string_column. Delete
3960 col_adjust, in_lex_line members.
3961 (CPP_BUF_COLUMN): Update.
3963 2000-09-18 Richard Henderson <rth@cygnus.com>
3965 * combine.c (simplify_comparison): Shift a NOT out of a single
3968 * combine.c (if_then_else_cond): Canonicalize BImode true to
3970 * explow.c (trunc_int_for_mode): Likewise.
3972 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3973 the NOT for De Morgan's rule.
3974 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3975 of a comparison to the reverse comparison.
3977 * combine.c (try_combine): Allow split to create a single insn.
3979 * machmode.def: Add BImode. Add a column for bitsize.
3980 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3981 (GET_MODE_BITSIZE): Use it.
3982 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3983 (mode_bitsize): New.
3984 (mode_mask_array): Use bitsize.
3985 * combine.c (combine_simplify_rtx): Require inner and outer
3986 modes to match on nonzero_bits optimizations.
3988 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3990 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3991 its entry in spill_reg_store.
3992 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3993 * sh.c (reg_no_subreg_operand): New function.
3994 * sh-protos.h (reg_no_subreg_operand): Declare it.
3995 * sh.h (PREDICATE_CODES): Add it.
3996 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3997 input operand that needs to be in fpul.
3998 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3999 * sh.c (find_barrier): Take into account that machine_dependent_reorg
4000 might add new insns.
4002 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
4004 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
4006 (sh_expand_epilogue): Take the PIC register into account when
4007 computing the frame size.
4009 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
4010 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
4011 LABEL_REFs with a PIC-safe unspec.
4013 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4015 * c-common.c (check_format_info): Properly save the argument
4016 number and parameter for $ operand number formats in case width
4017 and precision arguments are also used. Allow printf width and
4018 precision arguments to have operand numbers even if none was
4019 specified for the main format, since this is OK for %*.*m. Only
4020 object to missing $ operand number if the format used requires an
4023 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4025 * c-common.c (format_char_info): Add 'W' flag to comment.
4026 (print_char_table, scan_char_table): Use it.
4027 (check_format_info): Use the 'W' flag to determine whether a
4028 format argument is written into.
4030 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4032 * c-common.c (check_format_types): Reorganise and clean up,
4033 checking earlier for ERROR_MARKs and making cur_type into its
4034 TYPE_MAIN_VARIANT where convenient.
4036 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4038 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
4040 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4042 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
4044 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
4045 * i386.c (struct builtin_description): New.
4046 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
4047 (mmx_reg_operand): Declare MODE arg as unused.
4048 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
4049 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
4050 ix86_expand_binop_builtin, ix86_expand_store_builtin,
4051 ix86_init_builtins, ix86_expand_builtin): New functions.
4052 * i386.h (ix86_builtins): New enumeration.
4053 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
4054 * i386.md (attr length_immediate): 0 for mmx/sse types.
4055 (attr prefix_0f): 1 for mmx/sse types.
4056 (setcc_2): Remove "*" so we get gen_setcc_2.
4057 (emms): Account for changed register numbering. Set "memory" attr
4059 (sfence): Set "memory" attr to unknown.
4061 2000-09-18 Andreas Jaeger <aj@suse.de>
4063 * configure.in: Define _GNU_SOURCE only when using the GNU C
4065 * configure: Regenerated.
4066 * config.in: Regenerated.
4068 2000-09-17 Mark Mitchell <mark@codesourcery.com>
4070 * cppinit.c (cpp_init): Don't use ANSI prototypes.
4071 * flow.c (flow_dump_loop): Likewise.
4072 (flow_loops_dump): Likewise.
4074 * c-typeck.c (c_start_case): Fix typo.
4076 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4078 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
4079 to int for plain complex which defaults to complex double. Do
4080 warn about defaulting to complex double if pedantic. Warn about
4081 complex integer types if pedantic. Warn about complex types if
4082 pedantic and not in C99 mode.
4083 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
4084 for complex conjugation.
4086 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4088 * contrib.texi: Update my entry.
4090 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
4092 * config/avr/avr.md (mcu_enhanced): New attribute.
4093 (mcu_mega): Likewise.
4094 (extendhisi2): Use mcu_enhanced.
4095 (zero_extendhisi2): Likewise.
4096 (call_insn): Use mcu_enhanced and mcu_mega.
4097 (call_value_insn): Likewise.
4098 (*sbrx_branch): Use mcu_mega.
4099 (*sbrx_and_branchsi): Likewise.
4100 (*sbrx_and_branchhi): Likewise.
4101 (*tablejump_lib): Likewise.
4103 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4105 * alias.c (true_dependence): Allow non-unchanging read to conflict
4106 with unchanging write.
4108 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
4109 (store_constructor): Pass alias_set to it.
4111 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
4112 TYPE_MAIN_VARIANT of ERROR_MARK.
4113 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
4115 * simplify-rtx.c (simplify_unary_operation): Add cases
4116 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
4118 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
4120 * expr.h (emit_library_call, emit_library_call_value): Delete
4122 * rtl.h (enum libcall_type): New.
4123 (emit_library_call, emit_library_call_value): Change fn_type arg to
4124 be of type enum libcall_type.
4125 * calls.c: Likewise for the function definitions. Several callers
4126 throughout changed to use the new enumeration appropriately.
4127 (emit_library_call_value_1): Likewise. Put back code to make libcall
4128 blocks of equal form, but only use it for the two new higher
4131 2000-09-16 Mark Mitchell <mark@codesourcery.com>
4133 Convert the C front-end to use function-at-a-time mode.
4134 * c-common.h: Include splay-tree.h.
4135 (C_DECLARED_LABEL_FLAG): New macro.
4136 (struct language_function): Add x_scope_stmt_stack and
4137 x_function_name_declared_p.
4138 (RECHAIN_STMTS): Move definition.
4139 (lang_statment_code_p): Likewise.
4140 (lang_expand_stmt): Likewise.
4141 (lang_expand_decl_stmt): New variable.
4142 (lang_expand_function_end): Likewise.
4143 (current_scope_stmt_stack): New function.
4144 (add_decl_stmt): Likewise.
4145 (add_scope_stmt): Likewise.
4146 (mark_stmt_tree): Likewise.
4147 (struct c_lang_decl): New structure.
4148 (DECL_SAVED_TREE): Define.
4149 (c_mark_lang_decl): New function.
4150 (c_expand_start_cond): Change prototype.
4151 (c_finish_then): New function.
4152 (c_finish_else): Likewise.
4153 (current_function_name_declared): Remove.
4154 (set_current_function_name_declared): Likewise.
4155 (mark_c_language_function): Declare.
4156 (case_compare): Likewise.
4157 (c_add_case_label): Likewise.
4158 (c_expand_expr): Likewise.
4159 (c_safe_from_p): Likewise.
4160 * c-common.c (lang_expand_function_end): New variable.
4161 (struct if_elt): Add if_stmt.
4162 (c_expand_start_cond): Add the if-statement to the statement-tree,
4163 rather than generating RTL.
4164 (c_finish_then): New function.
4165 (c_expand_start_else): Don't generate RTL.
4166 (c_finish_else): New function.
4167 (c_expand_expr_stmt): Don't generate RTL.
4168 (statement_code_p): Add SCOPE_STMT.
4169 (case_compare): New function.
4170 (c_add_case_label): Likewise.
4171 (mark_stmt_tree): Likewise.
4172 (c_mark_lang_decl): Likewise.
4173 (mark_c_language_function): Likewise.
4174 (c_expand_expr): Likewise.
4175 (c_safe_from_p): Likewise.
4176 * c-decl.c (c_stmt_tree): New variable
4177 (c_scope_stmt_stack): Likewise.
4178 (c_function_name_declared_p): Likewise.
4179 (lang_expand_expr_stmt): Remove.
4180 (poplevel): Don't call output_inline_function for nested
4182 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
4184 (redeclaration_error_message): Change means of computing whether
4185 or not a function is nested.
4186 (lookup_label): Don't call label_rtx.
4187 (init_decl_processing): Add more GC roots.
4188 (start_decl): Add DECL_STMTs to the statement-tree, rather than
4189 calling rest_of_decl_compilation.
4190 (finish_decl): Don't call expand_decl.
4191 (store_parm_decls): Begin the statement-tree, but don't generate
4193 (finish_function): Tie off the statement-tree. Call c_expand_body
4195 (c_expand_body): New function.
4196 (push_c_function_context): Save more information.
4197 (pop_c_function_contxt): Likewise.
4198 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
4199 (lang_mark_tree): Mark it.
4200 (current_stmt_tree): Adjust.
4201 (current_scope_stmt_stack): New function.
4203 (set_current_name_declared): Likewise.
4204 (c_begin_compound_stmt): Define.
4205 (c_expand_decl_stmt): Likewise.
4206 * c-lang.c: Include rtl.h and expr.h.
4207 (lang_init): Set more language-specific hooks.
4208 * c-lex.c: Include expr.h.
4209 * c-parse.in: Changes throughout to add statements to the
4210 statement-tree, rather than generating RTL after every statement.
4211 * c-semantics.c (lang_expand_decl_stmt): Define.
4212 (add_decl_stmt): New function.
4213 (add_scope_stmt): Likewise.
4214 (finish_stmt_tree): Tweak.
4215 (genrtl_expr_stmt): Likewise.
4216 (genrtl_decl_stmt): Handle local labels, and call
4217 lang_expand_decl_stmt if required.
4218 (genrtl_for_stmt): Fix line-number handling.
4219 (genrtl_case_label): Handle cleanups.
4220 (genrtl_asm_stmt): Don't call combine_strings.
4221 (genrtl_compound_stmt): Simplify.
4222 (expand_stmt): Handle SCOPE_STMTs.
4223 * c-tree.h (struct lang_decl): New structure.
4224 (C_DECLARED_LABEL_FLAG): Remove.
4225 (c_begin_compound_stmt): Declare.
4226 (c_expand_decl_stmt): Likewise.
4227 (c_expand_start_case): Rename to c_start_case.
4228 (c_finish_case): New function.
4229 * c-typeck.c (start_init): Tweak setting of
4230 constructor_incremental.
4231 (c_expand_asm_operands): Tweak error-handling. Add to the
4233 (c_expand_return): Add to the statement-tree.
4234 (c_expand_start_case): Rename to ...
4235 (c_start_case): ... this.
4236 (struct c_switch): New type.
4237 (switch_stack): New variable.
4238 (do_case): Simplify.
4239 (c_finish_case): New function.
4240 * dependence.c: Include expr.h.
4241 (enum dependence_type): Change spelling of enumerals.
4242 (check_node_dependence): Adjust.
4243 * expr.h (lang_safe_from_p): Declare.
4244 (safe_from_p): Likewise.
4245 * expr.c (lang_safe_from_p): New variable.
4246 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
4247 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
4248 * toplev.c (rest_of_decl_compilation): Robustify.
4249 * tree.c (contains_placeholder_p): Likewise.
4250 * Makefile.in: Update dependencies.
4251 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
4252 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
4253 (objc_expand_function_end): New function.
4254 (finish_method_def): Use it.
4255 (init_objc): Initialize more language-specific hooks.
4256 * objc/Make-lang.in: Update dependencies.
4258 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
4260 * configure.in: Define macros that affect features before
4261 testing for features. Don't define _XOPEN_SOURCE.
4262 * configure: Regenerated.
4263 * config.in: Regenerated.
4265 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
4267 * rtlanal.c (rtx_varies_p): Volatile asms vary.
4268 (rtx_unstable_p): Restructure code. Volatile asms
4271 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4273 * function.h (no_debugging_symbols): New field.
4274 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
4275 Initialize no_debugging_symbols.
4276 (output_inline_function): Save and restore write_symbols and set from
4277 no_debugging_symbols.
4278 * toplev.c (rest_of_compilation): Call save_for_inline.
4279 * tree.h: Update comment.
4281 * stor-layout.c (place_field): Don't do anything if field or
4282 its type are ERROR_MARK.
4284 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
4286 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
4287 (read_include_file): Ensure inc->mmaped is initialized.
4289 2000-09-16 Richard Henderson <rth@cygnus.com>
4291 * cppiles.c (purge_cache): Use PTR not caddr_t.
4293 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
4295 * gcc.c: In description for %{<S}, say the option removed is -S.
4296 * invoke.texi (Spec Files): Ditto.
4298 2000-09-16 Andreas Jaeger <aj@suse.de>
4300 * configure.in: Always define _GNU_SOURCE to make interfaces
4301 visible that were hidden by only defining _GNU_SOURCE.
4302 * configure: Regenerated.
4304 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
4306 * cpplex.c (push_macro_context): Set an argument's level after
4307 calling parse_args. We could loop infinitely otherwise.
4309 2000-09-15 Tom Tromey <tromey@cygnus.com>
4311 * configure, config.in: Rebuilt.
4312 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
4314 2000-09-15 Greg McGary <greg@mcgary.org>
4316 * cppmacro.c (check_trad_stringification): Check token
4317 text pointers against limit before dereferencing.
4319 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
4321 * c-common.c (format_wanted_type): New structure.
4322 (check_format_types): New function.
4323 (check_format_info): Pass all checking of types of format
4324 arguments, including width and precision arguments, to this new
4327 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4329 * BUGS: Remove file.
4331 2000-09-15 Jakub Jelinek <jakub@redhat.com>
4333 * config/alpha/alpha.c (override_options): ev6 cache latencies
4334 from Richard Henderson. Don't allow -mmemory-latency=L0.
4336 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
4337 (TARGET_OPTIONS): Add tune=.
4338 (alpha_tune_string): Declare.
4339 * config/alpha/alpha.c (override_options): Add cpu_table.
4340 Use alpha_cpu_string first to set both alpha_cpu and target_flags
4341 and then alpha_tune_string to set alpha_cpu only.
4342 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
4343 * config/alpha/elf.h (ASM_FILE_START): Likewise.
4344 * config/alpha/osf.h (ASM_FILE_START): Likewise.
4345 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
4347 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4349 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
4351 (ix86_comparison_operator, ix86_cc_mode): Declare
4352 * i386.h (CCGC, CCGCO): New modes.
4353 (SELECT_CC_MODE): Move offline to ....
4354 * i386.c (ix86_cc_mode): .... here; use new modes.
4355 (ix86_comparison_operator): New.
4356 (fcmov_comparison_operator): Ensure proper mode.
4357 (put_condition_mode): More sanity checking.
4358 (ix86_match_ccmode): Handle new modes.
4359 (ix86_expand_fp_compare): GEU requires CCmode.
4360 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
4362 * i386.md (cmp?i_ccz_1): Remove
4363 (cmp?i_ccno_1): Use ix86_match_ccmode.
4364 (cmp?i_minus_1): New.
4365 (cmpsi_1): New expander.
4366 (cmpqi_ext_1): Use match_ccmode
4367 (cmpqi_ext_3): New expander.
4368 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
4369 (cmpqi_ext_4): Use match_ccmode.
4370 (add?i_?): Use match_ccmode.
4372 (test?i_ccz_1): Remove
4374 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
4375 (testqi_ext_0): Use ix86_match_ccmode.
4376 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
4377 (xorqi_cc_ext_1): New expander.
4378 (shift patterns): Use CCGOCmode for all shifts except for sar.
4379 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
4380 (setcc_3, jcc_3, miv?icc_c): Remove.
4382 2000-09-15 Will Cohen <wcohen@redhat.com>
4384 * dwarf2out.c (add_const_value_attribute): Changed array into a
4385 xmalloced object, so it exists after function exit.
4386 (free_AT): Added case for dw_val_class_float to free allocated
4389 2000-09-15 Kazu Hirata <kazu@hxi.com>
4391 * config/i386/i386.md: Fix a comment typo.
4392 * gcc.c: Fix formatting.
4394 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4396 * optabs.c (emit_libcall_block): If target is a user variable,
4397 copy to a temporary first.
4398 * expr.c (convert_move): When generating a libcall, make a libcall
4400 * calls.c (emit_library_call_value_1): Don't create a libcall
4401 sequence here; our caller will in most cases do it.
4403 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
4405 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
4406 * sh.md (reload_outsf): Generate recognizable patterns for
4408 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
4409 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
4410 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
4411 truncdfsf2_i4): Change not to use explicit references to fpul.
4412 (floatsisf2_ie): Remove USE of fpscr.
4413 (floatsisf2): Change default expansion to match this.
4414 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
4417 2000-09-15 Richard Henderson <rth@cygnus.com>
4419 * expmed.c (store_bit_field): Consider naturally aligned
4420 memory for direct reference.
4422 2000-09-15 Richard Henderson <rth@cygnus.com>
4424 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
4425 AND addresses into alias set 0.
4426 (alpha_expand_unaligned_store): Likewise.
4427 (alpha_expand_unaligned_load_words): Likewise.
4428 (alpha_expand_unaligned_store_words): Likewise.
4430 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4432 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
4433 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
4435 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
4436 rsize of UNITS_PER_WORD.
4438 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
4440 * cpplex.c (ON_REST_ARG): Correct the test.
4441 (maybe_paste_with_next): Duplicate a token that fail pasting,
4442 and clear its PASTE_LEFT flag, so that nested pasting attempts
4445 2000-09-14 Richard Henderson <rth@cygnus.com>
4447 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
4448 * cse.c (rtx_cost): Likewise.
4449 * optabls.c (expand_binop): Likewise.
4450 (expand_twoval_binop, prepare_cmp_insn): Likewise.
4451 * regclass.c (copy_cost): Likewise.
4452 * reload1.c (reload_cse_move2add): Likewise.
4454 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * c-parse.in (reswords): Add _Complex.
4458 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4460 * gcc.1: Delete documentation for -undef preprocessor option.
4462 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
4464 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4465 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
4466 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4467 Remove undefine before config/elfos.h.
4468 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4470 2000-09-14 Kazu Hirata <kazu@hxi.com>
4472 * invoke.texi (H8/300 Options): Add -ms2600.
4473 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4474 is used without -ms.
4475 * config/h8300.h (TARGET_MAC): New.
4476 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4477 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4478 machine other than H8/S2600.
4479 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4482 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4484 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4485 pseudos that refer to the original pseudos, not only to their
4486 equivalent memory locations.
4488 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4490 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4491 when making new MEM.
4493 * Makefile.in (LN): Remove duplicate definition.
4495 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4497 From Joern Rennecke:
4498 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4499 on an insn and function_invariant_p returns nonzero for the source,
4500 add a REG_EQUAL note.
4502 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4504 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4505 conflict with frame_pointer_rtx.
4507 2000-09-13 Kazu Hirata <kazu@hxi.com>
4509 * loop.c: Fix formatting.
4512 2000-09-13 Richard Henderson <rth@cygnus.com>
4514 * config/ia64/ia64.md (divsf3): New.
4515 (divsf3_internal_lat, divsf3_internal_thr): New.
4516 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4517 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4518 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4519 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4520 (nmadddf4_alts, nmadddf4_trunc): New.
4521 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4522 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4523 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4524 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4525 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4526 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4527 (nmaddtf4_truncdf_alts): New.
4528 (recip_approx): Don't predicate.
4530 2000-09-13 Richard Henderson <rth@cygnus.com>
4532 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4534 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4536 * flags.h (flag_dump_rtl_in_asm): Declare.
4537 * toplev.c (flag_dump_rtl_in_asm): Define.
4538 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4539 if -dP is specified.
4540 * rtl.h (print_rtx_head): Declare.
4541 * print-rtl.c (print_rtx_head): Define.
4542 (print_rtx): Print the string pointed to by print_rtx_head
4543 at beginning of each dump line.
4544 (print_rtl): Likewise.
4545 (print_rtl_single): Likewise.
4546 * final.c (final_scan_insn): Dump the insn in the assembly
4548 * gcc.1: Document -dP option.
4549 * invoke.texi (Debugging Options): Likewise.
4551 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4553 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4554 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4555 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4557 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4559 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4560 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4561 (*clrstrqi): Likewise.
4562 (xorhi3,xorsi3,absqi2): Likewise.
4563 (one_cmplhi2,one_cmplsi2): Likewise.
4564 (addsi3): Two stupid constraint alternatives removed.
4565 (extendhisi2): Use `movw' for enhanced avr cores.
4566 (zero_extendhisi2): Likewise.
4568 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4570 * alias.c (find_base_term): Use frame_pointer_rtx
4571 when handling an ADDRESSOF.
4573 * cse.c (canon_hash): Handle USE of BLKmode memory.
4574 (cse_insn): Outgoing arguments for a libcall don't
4575 affect any recorded expressions.
4577 2000-09-12 Tom Tromey <tromey@cygnus.com>
4579 * configure, config.in: Rebuilt.
4580 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4582 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4584 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4585 * expr.c (expand_expr): Don't optimize constant array references
4586 initialized with wide string constants.
4588 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4590 * loop.c (note_set_pseudo_multiple_uses): Correct.
4592 2000-09-12 Jim Wilson <wilson@cygnus.com>
4594 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4595 else block, and X has side-effects, then fail.
4597 2000-09-12 Greg McGary <greg@mcgary.org>
4599 * config/mips/mips-protos.h
4600 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4601 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4602 (PREDICATE_CODES): Add "trap_cmp_op".
4603 * config/mips/mips.c
4604 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4605 * config/mips/mips.md (trap, conditional_trap): New patterns.
4607 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4609 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4612 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * builtins.c (built_in_decls): New array.
4615 (expand_builtin_fputs): New function.
4616 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4618 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4620 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4622 * tree.h (built_in_decls): New array.
4624 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4626 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4628 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4630 2000-09-12 Kazu Hirata <kazu@hxi.com>
4632 * haifa-sched.c: Fix formatting.
4634 * genattrtab.c: Fix formatting.
4636 * unroll.c: Fix formatting.
4638 2000-09-12 Bruce Korb <bkorb@gnu.org>
4640 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4641 remove obsolete code
4642 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4643 * fixinc/fixincl.tpl: make non-exported arrays static scope
4644 * fixinc/fixincl.x: regenerate
4645 * fixinc/fixlib.h: Use PARAMS, not _P_
4646 * fixinc/fixtests.c: make a type for the test proc & use it
4647 * fixinc/server.h: Use PARAMS, not _P_
4649 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4651 * c-typeck.c (process_init_element): Avoid union init warnings on
4652 floating point zero. Don't crash on unions containing structs.
4654 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4656 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4657 general_movsrc_operand, and remove CONST_INT from
4658 general_movdst_operand.
4660 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4662 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4663 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4664 regs with a higher cost.
4665 (preferrable): Deal with cases where either cost or regcost is
4667 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4669 (COSTS_N_INSNS): Move definition...
4671 (MAX_COST): New macro.
4672 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4675 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4677 * c-common.h (genrtl_clear_out_block): Remove.
4678 * c-semantics.c (genrtl_clear_out_block): Remove.
4679 (genrtl_while_stmt): Don't call it.
4680 (genrtl_for_stmt): Likewise.
4682 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4684 * cppfiles.c: Move all default-#defines to top of file.
4685 (open_include_file): Replace by lookup_include_file.
4686 (read_with_read, read_file): Merged into read_include_file.
4687 (stack_include_file, purge_cache): New functions.
4688 (close_cached_fd): Delete.
4689 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4690 Cache the in-memory buffer, not the file descriptor.
4692 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4694 (xcnew): New utility macro.
4695 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4696 * cpplib.h (struct cpp_buffer): Remove mapped field.
4698 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4700 * cpplex.c (parse_string): Accept backslash space newline as a
4702 (lex_line): Likewise.
4703 (_cpp_get_token): Remove hard limit on macro nesting.
4705 2000-09-12 Philipp Thomas <pthomas@suse.de>
4707 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4708 * configure: Rebuilt.
4710 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4712 * flow.c (split_block): Fix update of registers live at
4715 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4717 * i386.md (add?i_3, add?i_5): New.
4718 (add?i_4): Rename from add?i_3; Fix compare pattern.
4719 (sub?i_3, xor?i_3, ior?i_3): New.
4721 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4722 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4723 instead of extract_insn and extract_constrain_insn_cache instead of
4724 extract_insn and constrain_operands.
4725 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4727 (extract_insn): Clear which_alternative.
4728 (constrain_operands): Set which_alternative to -1 when failed.
4729 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4732 2000-09-11 Matthew Hiller <hiller@redhat.com>
4734 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4735 on operand 0 to '+'.
4736 (movstricthi): Likewise.
4738 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4740 * loop.h (LOOP_IVS): New macro.
4741 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4742 (struct loop_ivs): New.
4743 (struct loop_info): Add ivs field.
4744 (reg_iv_type, reg_iv_info): Delete prototype.
4745 (reg_biv_class, loop_iv_list): Likewise.
4746 * loop.c (record_biv, find_life_end): Pass loop argument.
4747 (reg_iv_type): Remove global array and use
4748 field in loop_regs structure within loop_ivs structure.
4749 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4750 (first_increment_giv, last_increment_giv): Use entry in
4752 (record_initial): Pass ivs pointer.
4753 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4755 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4757 * loop.h (LOOP_REGS): New macro.
4758 (struct loop_regs): New.
4759 (struct loop_info): Add regs field.
4760 * loop.c (set_in_loop): Remove global array and store
4761 in loop_regs structure as part of loop_info structure.
4762 (n_times_set, may_not_optimize): Likewise.
4763 (reg_single_usage, moved_once): Likewise.
4764 (count_one_set): Add regs argument.
4765 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4766 (set_pseudo_multiple_uses): Pass regs pointer.
4768 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4770 * unroll.c (iteration_info): Subsume into loop_iterations.
4771 * loop.h (loop_info): New field iv.
4773 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4775 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4776 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4777 (flow_loops_update): New prototype.
4778 (flow_loops_find): Add flags to prototype.
4779 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4780 * flow.c (flow_loop_pre_header_scan): New.
4781 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4782 (flow_loop_free): Free pre-header root and trace and exit dominators.
4783 (flow_loops_find): New argument flags.
4784 (flow_loops_update): New function.
4785 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4787 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4789 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4790 * flow.c (split_block, update_bb_for_insn): New functions.
4792 2000-09-11 Richard Henderson <rth@cygnus.com>
4794 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4796 2000-09-11 Richard Henderson <rth@cygnus.com>
4798 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4799 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4800 (ia64_override_options): Prevent optimizing division for both
4801 latency and throughput.
4802 (rtx_needs_barrier): Handle frcpa.
4803 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4804 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4805 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4806 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4807 -minline-divide-max-throughput.
4808 (PREDICATE_CODES): Update.
4809 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4810 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4811 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4812 (extendsftf2): Likewise.
4813 (extenddftf2): Likewise.
4814 (fix_trunctfdi2_alts): New.
4815 (fixuns_trunctfdi2_alts): New.
4816 (madd*4): Rename from madd*3.
4817 (divsi3, modsi3, udivsi3, umodsi3): New.
4818 (divsi3_internal): New.
4819 (divdi3, moddi3, udivdi3, umoddi3): New.
4820 (divdi3_internal_lat, divdi3_internal_thr): New.
4821 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4822 (recip_approx): New.
4824 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4826 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4827 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4829 * integrate.c (copy_rtx_and_substitute): Don't share
4830 LEAF_REG_REMAPpable registers with the inlined function. Don't
4831 share the function value with calling sequences.
4833 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4835 * c-decl.c (do_case): Fix a typo.
4837 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4838 to a if the comparison is floating mode and not -ffast-math.
4839 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4841 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4843 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4844 gen_ic_invalidate_line.
4846 2000-09-11 Philip Blundell <pb@futuretv.com>
4848 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4850 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4852 * install.texi (LANGUAGES): Update to include new languages.
4855 2000-09-11 DJ Delorie <dj@redhat.com>
4857 * gcc.c (main): Don't warn about unused -B prefixes
4858 (unused_prefix_warnings): remove
4860 2000-09-11 Kazu Hirata <kazu@hxi.com>
4862 * final.c: Fix formatting.
4864 * integrate.c: Fix formatting.
4866 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4868 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4870 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4872 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4874 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4876 * gcc.1: Document 68hc11 specific options.
4878 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4880 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4881 (TARGET_LONG_DOUBLE_128): Define.
4882 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4883 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4884 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4885 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4886 of __LONG_DOUBLE_128__.
4887 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4889 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4890 (CPP_SYSV_DEFAULT_SPEC): Define.
4891 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4892 (INIT_TARGET_OPTABS): Define.
4894 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4895 (RS6000_UITRUNC): Likewise.
4896 (INIT_TARGET_OPTABS): New macro.
4897 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4898 (trunc_defined): Delete.
4899 (output_prolog): Don't output .extern definitions for fp->int
4900 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4901 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4902 (trunc_defined): Delete.
4903 (RS6000_ITRUNC): Moved to aix.h.
4904 (RS6000_UITRUNC): Likewise.
4905 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4906 only emit a libcall.
4907 (fixuns_truncdfsi2): Delete.
4908 (trunc_call): Delete.
4909 (trunc_call_rtl): Delete.
4911 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4913 * varasm.c (make_decl_rtl): Restore leading star on
4914 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4916 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4918 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4919 won't give a spurious error for '#pragma pack()'. Simplify
4920 control flow for readability. 'reset' action is not necessary.
4922 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4924 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4925 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4926 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4927 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4929 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4930 profile.c, sdbout.c, tradcif.y, tree.c:
4931 Include defaults.h if not already included.
4932 Don't define the above macros.
4934 * Makefile.in: Update dependencies.
4936 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4938 * c-common.h (add_stmt): Change prototype.
4939 (RECHAIN_STMTS): New macro.
4940 (CASE_LABEL_DECL): Likewise.
4941 (genrtl_case_label): Change prototype.
4942 (c_expand_start_case): Remove prototype.
4943 (build_case_label): Change prototype.
4944 (decl_constant_value): Declare.
4945 * c-common.c (check_case_value): Handle C++'s extensions to C
4947 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4949 * c-parse.in (stmt): Adjust handling of return statements and case
4951 * c-semantics.c (add_stmt): Return the new statement.
4952 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4953 returned expression. Directly generate RTL, rather than calling
4955 (genrtl_switch_stmt): Don't call c_expand_start_case.
4956 (build_case_label): Take the LABEL_DECL as input, too.
4957 (genrtl_case_label): Just call add_case_node.
4958 (expand_stmt): Adjust calls to genrtl_return_stmt and
4960 * c-tree.h (c_expand_start_case): Declare.
4961 * c-typeck.c (decl_constant_value): Give it external linkage.
4962 (c_expand_return): Don't call expand_return or expand_null_return;
4963 use genrtl_return_stmt instead.
4964 * stmt.c (struct nesting): Remove num_ranges field.
4965 (add_case_node): Give it external linkage.
4966 (expand_start_case): Don't set num_ranges.
4967 (expand_start_case_dummy): Don't clear it.
4968 (pushcase): Rely on add_case_node to handle `default' labels.
4969 (add_case_node): Handle `default' labels.
4970 * tree.c (tree_int_cst_compare): New function.
4971 * tree.h (tree_int_cst_compare): Declare.
4972 (add_case_node): Likewise.
4974 2000-09-10 Richard Henderson <rth@cygnus.com>
4976 * c-parse.in: Revert last change.
4977 (init_reswords): Do not enter disabled keywords into the ridpointers
4978 table, modulo objc weirdness.
4979 (_yylex): Return the canonical spelling for a keyword.
4981 2000-09-10 Philip Blundell <philb@gnu.org>
4983 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4984 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4986 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4988 * alias.c (find_base_term): Handle ADDRESSOF.
4989 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4991 2000-09-10 Denis Chertykov <denisc@overta.ru>
4993 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4994 outputting templates with many lines.
4996 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4998 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4999 to decide whether 64-bit support must be generated.
5001 2000-09-10 Richard Henderson <rth@cygnus.com>
5003 * c-parse.in (asm patterns): Fix volatile check.
5005 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5007 * cppmacro.c (check_trad_stringification): New function.
5008 (save_expansion): If -Wtraditional, warn about stringification of
5011 2000-09-11 Michael Hayes <mhayes@cygnus.com>
5013 * loop.h (struct loop_mem_info): Move from loop.c
5014 (struct loop_info): Add fields store_mems, mems, mems_idx,
5015 mems_allocated, unknown_address_altered,
5016 unknown_constant_address_altered, num_mem_sets, and
5017 first_loop_store_insn.
5019 * loop.c (loop_store_mems): Replace with field in loop_info struct.
5020 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
5021 (unknown_address_altered, unknown_constant_address_altered): Likewise.
5022 (num_mem_sets): Likewise.
5023 (replace_loop_mems, replace_loop_regs): New.
5024 (struct loop_replace_args): New.
5025 (load_mems): Use replace_loop_mems.
5026 (try_copy_prop): Use replace_loop_regs.
5027 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
5029 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5031 * configure.in: Recognize m6811-elf and m6812-elf.
5032 * configure: Regenerate.
5034 2000-09-09 Geoff Keating <geoffk@cygnus.com>
5036 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
5039 2000-09-10 Michael Hayes <mhayes@cygnus.com>
5041 * loop.c (struct movables): New.
5042 (num_movables): Move into struct movables.
5043 (the_movables): Change type to struct movables.
5044 (ignore_some_movables): Change struct movable arg to struct movables.
5045 (force_movables, combine_movables, regs_match_p): Likewise.
5046 (rtx_equal_for_loop_p, move_movables): Likewise.
5047 (scan_loop): Change movables to be of type struct movables.
5048 Replace last_movable with field in movables structure.
5050 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
5052 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
5053 (init_pragma): Avoid warning if pfile happens to be unused.
5054 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
5055 define init_pragma to nothing. Always prototype
5056 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
5058 * c-lex.c (process_directive): Always call dispatch_pragma.
5059 Initialize entering_c_header to 0.
5061 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5063 * config/m68hc11/m68hc11.md: New file, machine description for
5065 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
5066 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
5067 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
5068 * config/m68hc11/m68hc11-protos.h: New file.
5069 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
5070 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
5071 * config/m68hc11/xm-m68hc11.h: New file, target defs.
5072 * config/m68hc11/larith.asm: New file, libgcc routines.
5074 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5076 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
5077 (FPBIT_FUNCS): Add _usi_to_sf.
5078 * config/fp-bit.c (usi_to_float): New function.
5079 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
5080 (usi_to_float): Add appropriate #define.
5082 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5084 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
5086 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
5087 * i386.md (attr "type"): Add sse and mmx types.
5088 (attr "memory"): Handle them without a crash.
5089 (movsi_1, movdi_2): Allow MMX regs.
5090 (movdi splits): Don't split moves involving MMX regs.
5091 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
5092 (movv4sf_internal, movv4si_internal, movv8qi_internal,
5093 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
5094 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
5095 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
5096 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
5097 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
5098 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
5099 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
5100 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
5101 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
5102 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5103 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5104 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
5105 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
5106 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5107 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5108 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
5109 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
5110 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
5111 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
5112 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
5113 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5114 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5115 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
5116 mmx_clrdi): New patterns.
5118 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
5120 * arm.c: Don't include tm.h directly.
5122 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
5124 * recog.c (validate_replace_rtx_1): Fix confusion about equality
5125 testing; simplify subregs of constants and nested subregs.
5127 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
5129 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
5131 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5133 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
5135 * rtl.texi (description of USE): Add note about possible pitfalls
5137 From Richard Henderson:
5138 * reload1.c (choose_reload_regs): Compute need_mode properly.
5140 2000-09-07 Richard Henderson <rth@cygnus.com>
5142 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
5143 (__modsi3, __umodsi3): Likewise.
5144 (__udivsi3): Likewise. Normalize the TFmode values.
5146 2000-09-07 Geoff Keating <geoffk@cygnus.com>
5148 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
5150 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
5153 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5155 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
5156 (cmpeqdi_t): Add output pattern.
5157 (cmpeqdi_t+1): Don't split when not optimizing.
5158 Restore proper splitting operation.
5160 2000-09-07 Richard Henderson <rth@cygnus.com>
5162 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
5163 do not call dispatch_pragma.
5165 2000-09-07 Jim Wilson <wilson@cygnus.com>
5167 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
5168 to CLASS_CANNOT_CHANGE_MODE.
5169 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
5170 mode classes are different.
5172 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5174 * cpplib.h (struct cpp_options): Add user_label_prefix member,
5175 left out of commit which removed cppulp.c.
5177 2000-09-07 Richard Henderson <rth@cygnus.com>
5179 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
5180 after switch for CASE_DROPS_THROUGH.
5182 2000-09-07 Richard Henderson <rth@cygnus.com>
5184 * loop.c (strength_reduce): Call check_ext_dependant_givs.
5185 Properly extend the biv initial value for the giv.
5186 (record_biv): Zero ext_dependant.
5187 (record_giv): New argument ext_val. Update all callers.
5188 (general_induction_var): Likewise.
5189 (consec_sets_giv): Likewise.
5190 (simplify_giv_expr): Likewise. Fill in ext_val if we find
5191 a sign-extend, zero-extend, or truncate.
5192 (combine_givs_p): Make sure modes are compatible.
5193 (check_ext_dependant_givs): New.
5194 (extend_value_for_giv): New.
5195 * loop.h (struct induction): Add ext_dependant.
5196 * unroll.c (iteration_info): Extend the biv initial value for the giv.
5197 (find_splittable_givs): Likewise.
5198 (final_giv_value): Likewise.
5200 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5202 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
5203 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
5204 definitions from cpplib.h.
5205 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
5207 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
5208 documentation for REGISTER_TARGET_PRAGMAS.
5210 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
5211 default-pragma callback to implement -Wunknown-pragmas if
5213 * c-parse.in: Move all includes to top of file.
5214 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
5216 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
5218 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
5220 * arm.h, arm-protos.h, arm.c,
5221 c4x.h, c4x-protos.h, c4x.c,
5222 h8300.h, h8300-protos.h, h8300.c,
5223 i370.h, i370-protos.h, i370.c,
5224 i960.h, i960-protos.h, i960.c,
5225 sh.h, sh-protos.h, sh.c,
5226 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
5227 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
5229 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
5230 multiple include guard.
5231 * i370.md (untyped_call): Use GEN_CALL.
5232 (umodsi3): Remove unused variable.
5233 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
5234 * v850.c (output_move_single, output_move_double): Constify
5236 (print_operand): Constify a char *.
5237 * v850.h (struct small_memory_info): Constify name member.
5239 2000-09-07 Kazu Hirata <kazu@hxi.com>
5241 * config/h8300.h: Fix comment typos.
5242 * config/h8300/h8300.md: Likewise.
5243 * config/h8300/lib1funcs.asm: Likewise.
5245 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
5247 * Makefile.in: Remove references to cppulp.{c,o}.
5248 * cppinit.c (initialize_builtins, cpp_start_read,
5249 cpp_handle_option): Update to use cpp_options structure.
5252 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
5254 * c-common.c (time_char_table): Allow %#b and %#h.
5256 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5258 * reorg.c (find_end_label): If the basic block reorder pass moves the
5259 return insn to some other place try to locate it again and put our
5260 end_of_function_label there.
5261 * reorg.c (relax_delay_slots): Check if find_end_label created a
5262 new label that invalidates the current optimazation.
5264 2000-09-07 Catherine Moore <clm@redhat.com>
5266 * unroll.c (unroll_loop): Check for unconditional jumps
5267 to loop continuation. Delete if n_iterations is 1.
5268 (ujump_to_loop_cont): New routine.
5270 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
5272 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
5274 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
5275 to handle multiword modes correctly. All callers and the declaration
5278 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5280 * c-common.h (prep_stmt): Declare.
5281 (lang_expand_stmt): Likewise.
5282 * c-decl.c (lang_expand_stmt): Remove.
5283 * c-semantics.c (lang_expand_stmt): Define.
5284 (prep_stmt): New function.
5285 (expand_stmt): Handle common statement types here.
5287 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
5289 * configure.in (sh-*-linux*): Added.
5290 * configure: Rebuilt.
5291 * config/sh/t-linux: New file.
5292 * config/sh/sh.h (USERMODE_BIT): Define.
5293 (TARGET_USERMODE): Likewise.
5294 (TARGET_SWITCHES): New switches for the bits above.
5295 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
5296 * config/sh/linux.h: New file.
5297 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
5298 underscore on linux.
5299 (L_sdivsi3, L_udivsi3): Define for linux.
5300 (L_ic_invalidate): Define.
5301 * invoke.texi (SH Options): Document -musermode.
5303 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
5305 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
5306 CSE unless generating PIC.
5308 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
5311 2000-09-06 H.J. Lu (hjl@gnu.org)
5313 * Makefile.in (clean_s1): Depend on stage_b.
5314 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
5315 stage2. They are used for "make compare".
5317 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5319 Move statement-tree facilities from C++ to C front-end.
5320 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
5321 (void_zero_node): New macro.
5322 (struct stmt_tree_s): New type.
5323 (stmt_tree): New typedef.
5324 (struct language_function): New type.
5325 (last_tree): New macro.
5326 (last_expr_type): Likewise.
5327 (walk_tree_fn): New typedef.
5328 (current_stmt_tree): New function.
5329 (begin_stmt_tree): Likewise.
5330 (add_stmt): Likewise.
5331 (finish_stmt_tree): Likewise.
5332 (statement_code_p): Likewise.
5333 (lang_statement_code_p): New variable.
5334 (walk_stmt_tree): New function.
5335 (STMT_IS_FULL_EXPR_P): New macro.
5336 * c-common.c (lang_statement_code_p): New variable.
5337 (c_common_nodes_and_builtins): Initialize void_zero_node.
5338 (statement_code_p): New function.
5339 (walk_stmt_tree): Likewise.
5340 * c-decl.c (language_function): Rename to ...
5341 (c_language_function): ... this. Include language_function.
5342 (push_c_function_context): Adjust accordingly.
5343 (pop_c_function_context): Likewise.
5344 (mark_c_function_context): Likewise.
5345 (current_stmt_tree): Define.
5346 * c-semantics.c (begin_stmt_tree): New function.
5347 (add_stmt): Likewise.
5348 (prune_unused_decls): Likewise.
5349 (finish_stmt_tree): Likewise.
5351 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5353 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
5355 2000-09-06 Kazu Hirata <kazu@hxi.com>
5357 * calls.c: Fix formatting.
5359 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
5361 * config/i386/i386.h (ADDRESS_COST): Fix typo.
5363 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5365 Integrated preprocessor.
5367 * Makefile.in: Remove all references to c-parse.gperf,
5368 c-gperf.h, and c-parse.h. Remove -d from yacc command line
5369 generating c-parse.c. Update dependencies.
5370 * c-parse.gperf, c-gperf.h: Delete.
5372 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
5373 yy_lim, or yy_get_token. Don't define get_directive_line if
5375 * c-common.h: Add multiple include guard. Define RID values
5376 for every keyword in C, C++, and Objective C. Put all the
5378 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
5379 * c-decl.c (c_decode_option): Handle -lang-objc here.
5380 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
5381 (grokdeclarator): Adjust for new RID scheme.
5382 (extract_interface_info): New stub.
5383 * c-lang.c: Don't declare yy_cur or parse_options.
5384 (lang_init_options): Call cpp_init. Don't call
5386 (lang_init): Don't call check_newline if USE_CPPLIB.
5388 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
5389 Elide lots of unnecessary code if USE_CPPLIB. Delete code
5390 rendered unnecessary by new architecture. Move routines not
5391 shared with C++ to c-parse.in. Maintain a local idea of the
5392 line number. Handle C++ as well as C.
5393 [USE_CPPLIB]: Declare and register callbacks for #ident and
5394 for entering/leaving files.
5395 (init_c_lex, c_lex): Are now the entry points to this file.
5396 (check_newline): Break out directive handling to
5398 (read_ucs, is_extended_char, utf8_extend_token): Moved here
5400 (readescape, parse_float): Overhaul.
5401 (lex_number, lex_string, lex_charconst): Break out of c_lex
5403 (get_fileinfo, update_header_times, dump_one_header,
5404 dump_time_statistics): New and/or moved here from C++.
5405 Support per-file data needed by C++ and per-header timing
5406 statistics (C++ only, at the moment).
5407 * c-lex.h: Update prototypes. Add multiple include guard.
5408 * c-tree.h (struct lang_identifier): Add rid_code field.
5409 (C_IS_RESERVED_WORD, C_RID_CODE): New.
5411 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
5412 reinit_parse_for_function and/or position_after_white_space.
5413 (save_filename, save_lineno): Look ahead before saving.
5414 (label -> identifier ':'): Save file and line before shifting ':'.
5415 (reservedwords): No need to call get_identifier.
5416 (init_parse, finish_parse, yyerror, yylex, yyprint,
5417 make_pointer_declarator): Are now here for C/ObjC.
5418 (rid_to_yy): Conversion table from RID constants to Yacc codes.
5420 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
5421 #pragma registry. Provide dummy implementation of that
5422 interface if !USE_CPPLIB.
5423 * c-pragma.h: Update to match.
5425 * flags.h: Add multiple include guard.
5426 (flag_detailed_statistics): Moved here from C++.
5427 * toplev.c: Define flag_detailed_statistics.
5429 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
5431 * timevar.def (TV_CPP, TV_LEX): New.
5432 * timevar.h: Add multiple include guard.
5434 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
5436 * objc/objc-act.c: Don't mention yy_cur or parse_options.
5437 Initialize cpplib properly. Force lineno to 0 after first
5438 call to check_newline. Don't handle -lang-objc here.
5439 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
5441 2000-09-06 David Edelsohn <edelsohn@gnu.org>
5443 * rs6000.md: Correct function unit definitions for cr_logical and
5445 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
5446 and use portable method for >=0 and floating point >=. Remove
5447 associated matchers.
5449 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5451 * extend.texi: Mark named return value extension as deprecated.
5453 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5455 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
5458 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
5460 * toplev.c (display_help): Fix thinko in documentation.
5462 * diagnostic.h (output_buffer::indent_skip): New fields.
5463 (output_indentation): New macro.
5465 * diagnostic.c (output_indent): New function.
5466 (output_set_prefix, clear_diagnostic_info): Use.
5467 (output_emit_prefix): Predict future indentation.
5469 2000-09-06 DJ Delorie <dj@redhat.com>
5471 * Makefile.in (stage_*): add more dependencies to ensure parallel
5472 builds build correctly
5474 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5476 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5477 not bootstrap-lean_f.
5479 2000-09-06 Andreas Schwab <schwab@suse.de>
5481 * mklibgcc.in: Emit rule for libgcc-stage-start.
5482 * Makefile.in (stage1-start, stage2-start, stage3-start,
5483 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5485 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5487 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5488 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5489 (combine_regs): Likewise.
5491 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5492 * cse.c: Include "basic-block.h".
5493 (struct table_elt): New field REGCOST.
5494 (CHEAP_REG): Delete macro.
5495 (COST): Return 0 for REGs.
5496 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5497 (notreg_cost): Return 0 for appropriate SUBREGs.
5498 (COSTS_N_INSNS): Return N * 2.
5499 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5501 (CHEAPER): Use new function preferrable.
5502 (insert): Initialize REGCOST member.
5503 (find_best_addr): Use approx_reg_cost for estimation of register
5505 (cse_insn): Likewise.
5506 * loop.c (iv_add_mult_cost): New function.
5507 (add_cost, shift_cost, mult_cost): Delete variables.
5508 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5509 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5510 Make code that detects autoinc opportunities slightly less optimistic.
5511 (simplify_giv_expr): If expression contains other reg that is also a
5512 giv, only increment benefit if this is the only use of that reg.
5513 (consec_sets_giv): Take that change into account.
5514 (combine_givs): Slightly more verbose output.
5516 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5517 not the cost of an equivalent shift.
5518 * sh-protos.h (addsubcosts): Declare.
5519 * sh.c (addsubcosts): New function.
5520 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5521 (RTX_COSTS): Tweak. Use addsubcosts.
5522 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5524 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5526 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5527 (branch_comparison_operator): Call validate_condition_mode to
5528 abort rather than returning 0.
5529 (branch_positive_comparison_operator): New function.
5530 (scc_comparison_operator): Call validate_condition_mode to abort
5531 rather than returning 0.
5532 (ccr_bit): Call validate_condition_mode. Update for
5534 (print_operand): Delete %C modifier. Update %E case
5535 to use EQ bit not SO bit.
5536 (rs6000_reverse_condition): New function.
5537 (rs6000_generate_compare): New function.
5538 (rs6000_emit_sCOND): New function.
5539 (rs6000_emit_cbranch): New function.
5540 (output_cbranch): The length of a long branch insn is
5541 now only 8 bytes. Add validate_condition_mode. Use
5542 rs6000_reverse_condition. Remove cror generation.
5544 * config/rs6000/rs6000.h: Update comments.
5545 (PREDICATE_CODES): Add new predicate. Update codes used
5546 by branch_comparison_operator and scc_comparison_operator.
5547 * config/rs6000/rs6000-protos.h: Add prototypes for
5548 new external functions.
5549 * config/rs6000/rs6000.md: Add new scheduling parameters
5550 for cr_logical instructions. Change length of branch
5552 (bCOND patterns): Call rs6000_emit_cbranch.
5553 (sCOND patterns): Call rs6000_emit_sCOND.
5554 (branch patterns): Change lengths to 4.
5555 (cr logical patterns): New.
5557 2000-09-06 Richard Henderson <rth@cygnus.com>
5559 * config/i386/i386.md (call_pop): Fix test for setting
5560 current_function_uses_pic_offset_table.
5561 (call, call_value_pop, call_value): Likewise.
5563 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5565 * timevar.c (timevar_add): Delete.
5566 (timevar_get): Also count time since the selected timer was
5567 last updated. Do not examine the timevar stack if the
5568 selected timer is standalone.
5570 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5572 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5574 2000-09-05 Jason Merrill <jason@redhat.com>
5576 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5577 for 'extern' arrays.
5579 2000-09-05 Richard Henderson <rth@cygnus.com>
5581 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5582 Eliminate final copy from non-trapping case.
5583 (__divdf3, __divsf3): Likewise.
5585 2000-09-05 Richard Henderson <rth@cygnus.com>
5587 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5588 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5590 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5592 * Makefile.in: Restructure bootstrap stages to allow clean
5593 restart after failure.
5595 2000-09-05 Richard Henderson <rth@cygnus.com>
5597 * config/ia64.md (movsi and movdi patterns): Allow moves from
5598 8-bit constants to AR registers.
5600 2000-09-05 Richard Henderson <rth@cygnus.com>
5602 * config/ia64/ia64.md (mulhi3): New.
5604 2000-09-05 Richard Henderson <rth@cygnus.com>
5606 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5607 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5608 Optimization Guide, minimum latency alternative.
5609 (__moddi3, __udivdi3, __umoddi3): Likewise.
5610 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5612 2000-09-05 Bruce Korb <bkorb@gnu.org>
5614 * fixinc/fixincl.c (load_file): always read header files
5615 with sizes that are a multiple of the page size.
5616 & use libiberty's getpagesize for determining that.
5618 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5620 * gcse.c (hash_string_1): Add prototype.
5621 * cse.c (canon_hash_string): Likewise.
5623 2000-09-04 Craig Newell <CraigN@ieee.org>
5625 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5627 2000-09-04 Andreas Schwab <schwab@suse.de>
5629 * Makefile.in (STAGESTUFF): Remove libgcc.
5630 (stage1-start, stage2-start, stage3-start): Copy the contents of
5631 the libgcc directory explicitly.
5632 (mostlyclean): Clean libgcc.
5634 2000-09-04 Andrew Haley <aph@redhat.com>
5636 * dwarf2out.c: (stack_adjust_offset): New prototype.
5638 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5640 * combine.c (make_extraction): Fix rtx_cost comparison to
5643 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5645 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5646 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5647 Add '*' to insn pattern name.
5649 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5651 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5652 use posn - 1 to index into tokens array.
5653 (maybe_paste_with_next): Adjust caller.
5655 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5657 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5659 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5660 (REGNO_REG_CLASS): Use symbolic register
5663 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5665 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5666 recognized, don't try to conditionally execute it.
5668 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5670 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5671 (call_value_insn): Right length claculation.
5672 (call_insn): Likewise.
5674 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5676 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5677 gas_output_limited_string, gas_output_ascii, output_movqi,
5678 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5679 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5680 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5681 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5682 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5683 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5684 Add "const" as needed to remove warnings.
5686 * config/avr/avr.c (avr_override_options, avr_init_once,
5687 function_prologue, function_epilogue, frame_pointer_required_p,
5688 class_likely_spilled_p, order_regs_for_local_alloc,
5689 avr_address_cost, avr_ret_register): Use K&R style arguments.
5690 (initial_elimination_offset, gas_output_limited_string):
5691 Remove ATTRIBUTE_UNUSED from the used arguments.
5692 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5693 Use local variables src, dest, base to access operands[].
5694 Rename reg_dest to reg_src if that's what it is.
5695 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5696 constants to LD_REGS if reg_was_0.
5697 (output_reload_insisf): Change arg 3 to insn length and set it.
5698 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5699 access to 16-bit I/O register pairs.
5700 (avr_address_cost): Lower cost for the above case.
5701 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5702 may be clobbered, also for LD_REGS.
5703 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5706 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5708 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5709 macro to test_hard_reg_class function.
5710 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5711 for loading immediate constants to LD_REGS.
5712 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5715 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5717 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5718 * config/avr/libgcc.S: Lost part of the previous patch.
5720 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5722 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5723 object before calling pthread_mutex_init.
5725 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5727 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5728 config/sh/crtn.asm: New files.
5729 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5730 (crt1.o, crti.o, crtn.o): New targets.
5731 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5733 * configure: Rebuilt.
5734 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5735 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5736 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5737 Undefine for config/elfos.h to redefine.
5738 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5740 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5742 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5743 legitimize_pic_address, output_pic_addr_const): Declare.
5744 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5745 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5746 (TARGET_SWITCHES): New switch -mprefergot.
5747 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5748 (PIC_OFFSET_TABLE_REGNUM): Define.
5749 (GOT_SYMBOL_TABLE): Likewise.
5750 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5751 (ENCODE_SECTION_INFO): Define.
5752 (FINALIZE_PIC): New macros.
5753 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5754 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5755 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5756 (prepare_move_operands): Call emit_pic_move or
5757 emit_pic_const_move if appropriate.
5758 (output_far_jump): For PIC, use braf and output long offset.
5759 (machine_dependent_reorg):
5760 (sh_expand_prologue): Save and initialize the PIC register.
5761 (sh_expand_epilogue): Restore it.
5762 (initial_elimination_offset): Account for it.
5763 (nonpic_symbol_mentioned_p): New function.
5764 (legitimize_pic_address): Likewise.
5765 (output_pic_addr_const): Likewise.
5766 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5767 (call, call_value): Use them.
5768 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5769 symPLT_label2reg): New expands.
5770 * invoke.texi (SH Options): Document -mprefergot.
5772 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5774 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5775 * gcse.c (hash_string_1): New function.
5776 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5777 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5778 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5779 (canon_hash_string): New function.
5780 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5781 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5782 (fold_rtx): Use ASM_OPERANDS accessor macros.
5783 * emit-rtl.c (copy_insn_1): Likewise.
5784 * integrate.c (copy_rtx_and_substitute): Likewise.
5785 * stmt.c (expand_asm_operands): Likewise. Give an
5786 ASM_OPERANDS rtx the mode of the output reg being set from it.
5788 2000-09-01 Fred Fish <fnf@be.com>
5790 * fix-header.c (write_rbrac): Add putc and getc to list of
5791 functions to protect against prior definition as a macro.
5793 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5795 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5796 (c_size_type_node): Define.
5797 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5798 * c-common.c (enum format_lengths, enum format_std_version,
5799 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5800 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5801 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5802 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5803 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5804 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5805 format_types): Define.
5806 (format_char_info, print_char_table, scan_char_table,
5807 time_char_table): Rearrange for new organization of information
5808 about format length modifiers and standard versions.
5809 (T_ST): Redefine to use c_size_type_node.
5810 (check_format_info): Obtain information about length modifiers and
5811 standard versions from tables. Adjust warning message wordings.
5812 Use the name from the user's program for `ll' and `hh' length
5813 modifiers in warning messages. Use more informative names for
5814 wanted types where available (for wchar_t, wint_t, size_t, signed
5815 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5817 2000-09-01 Jim Wilson <wilson@cygnus.com>
5819 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5820 * combine.c (distribute_notes): Handle REG_NORETURN.
5821 * rtl.c (reg_note_name): Add REG_NORETURN.
5822 * rtl.h (enum reg_note): Likewise.
5824 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5826 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5827 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5828 (emit_predicate_relation_info): Handle conditional calls with
5830 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5831 instead of ia64_file_start.
5832 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5833 * config/ia64/ia64.md (safe_across_calls_all,
5834 save_across_calls_normal): New patterns.
5836 * loop.c (check_final_value): Check for biv use before checking for
5837 giv use. Check for both biv and giv uses. Always set last_giv_use
5838 if there is a giv use.
5840 2000-09-01 Richard Henderson <rth@cygnus.com>
5842 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5843 (madddi3): Likewise.
5846 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5848 * expr.c (clear_storage): Don't use emit_move_insn unless
5849 either BLKmode or proper size.
5850 (store_constructor): Don't call clear_storage if REG of wrong size.
5852 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5853 of function if returns wiht stack pointer depressed.
5855 2000-09-01 Andrew Haley <aph@redhat.com>
5857 * dwarf2out.c (stack_adjust_offset): New function.
5858 (dwarf2out_stack_adjust): Break out stack adjust logic into
5859 new stack_adjust_offset function. Look inside parallels and
5860 sequences for stack adjustments.
5862 2000-08-31 Jeff Law <law@cygnus.com>
5864 * arm.md: Use no_new_pseudos to determine when it is safe
5865 to create new pseudo registers.
5867 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5868 when we can safely allocate new registers.
5870 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5872 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5873 so that CONCATs are not generated for ASMs.
5874 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5875 not generating_concat_p.
5876 * function.c (pop_function_context_from): Reset
5877 generating_concat_p.
5878 (prepare_function_start): Likewise.
5879 * rtl.c (generating_concat_p): Define.
5880 * rtl.h (generating_concat_p): Declare.
5881 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5883 2000-08-22 Philipp Thomas <pthomas@suse.de>
5884 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5886 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5889 2000-08-30 Greg McGary <greg@mcgary.org>
5891 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5892 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5893 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5895 2000-08-30 Greg McGary <greg@mcgary.org>
5897 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5898 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5899 (TREE_INT_CST): New macro.
5900 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5901 Use new macro TREE_INT_CST.
5903 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5905 * contrib.texi: Add self.
5907 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5909 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5910 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5913 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5915 * fixinc/gnu-regex.c: Don't define `const'.
5917 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5919 * expr.c (store_constructor): Allow variable bounds of array type.
5920 (expand_expr): Don't blow up if type is ERROR_MARK.
5921 * varasm.c (output_constructor): Don't access lower bound of array
5922 type unless need it if index is supplied (so it can be a variable
5923 if no index is supplied).
5924 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5925 Other minor cleanups.
5927 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5929 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5930 for compilations in stage 1 and subsequent stages, respectively.
5931 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5932 * configure: Rebuilt.
5933 * x-vax, x-vax-gcc: Deleted.
5935 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5937 * c-common.c (declare_function_name): Use func_id_node,
5938 function_id_node, and pretty_function_id_node. Do not make
5939 __func__ visible at file scope.
5940 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5941 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5942 (function_id_node, pretty_function_id_node, func_id_node): New
5944 * c-decl.c (init_decl_processing): Initialize function_id_node,
5945 pretty_function_id_node, and func_id_node.
5946 (c_make_fname_decl): Correct comment.
5948 * tree.h (struct tree_identifier): Constify pointer member.
5950 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5951 * c-pragma.h (struct weak_syms): Constify name and value members.
5952 (add_weak): Constify arguments.
5954 * calls.c (special_function_p): Constify a char *.
5955 (expand_call): Remove variable which is initialized and then
5957 * dependence.c (struct def_use, struct induction, struct subscript):
5958 Constify 'variable' member.
5959 (get_low_bound, have_induction_variable): Constify char * argument.
5960 (find_induction_variable): Add braces to avoid dangling else.
5961 (classify_dependence): Constify char * arrays.
5962 * profile.c (output_func_start_profiler): Constify a char *.
5963 * stor-layout.c (finalize_record_size): Constify a char *.
5964 * tree.c (is_attribute_p): Constify a char *.
5965 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5967 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5968 for comprehensibility. Do not call get_identifier if we did
5969 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5970 create temporary string constants, not ggc_alloc_string. No
5971 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5972 char * to hold IDENTIFIER_POINTERs.
5974 2000-08-29 Richard Henderson <rth@cygnus.com>
5976 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5979 2000-08-29 Richard Henderson <rth@cygnus.com>
5981 * reload.c (push_secondary_reload): Allow class == reload_class
5982 if we're using a reload_in/out pattern.
5984 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5985 the half that does not conflict with the reload register.
5986 (reload_outti): Likewise.
5988 2000-08-29 Kazu Hirata <kazu@hxi.com>
5990 * reload.c: Fix formatting.
5992 * stmt.c: Fix formatting.
5994 * gcc.c: Fix formatting.
5996 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5998 * flags.h (time_report, mem_report): New global flags.
5999 * toplev.c: Define time_report and mem_report.
6000 (f_options): Add -ftime-report and -fmem-report.
6001 (compile_file): Turn on time_report if quiet_flag is off.
6002 Call ggc_print_statistics at very end if mem_report is on.
6003 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
6005 * ggc-common.c (ggc_print_statistics): Rename to
6006 ggc_print_common_statistics; all callers changed. Scale
6007 quantities above 10K to kilobytes and above 10M to megabytes.
6008 * ggc-page.c (ggc_page_print_statistics): Rename to
6009 ggc_print_statistics. Report memory consumed by internal data
6010 structures for each allocation bucket. Scale quantities above
6011 10K to kilobytes and above 10M to megabytes.
6012 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
6013 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
6014 Define tally_leaves always.
6015 (ggc_print_statistics): New function.
6016 * ggc.h: Adjust for renamed functions.
6018 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
6020 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
6021 output_movsisf instead of which_alternative.
6023 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
6025 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6027 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
6028 (avr_progmem_p): New prototype.
6029 (output_movsisf): Prototype declaration changed.
6030 (output_movqi): New prototype.
6031 (output_movhi): New prototype.
6032 (call_insn_operand): Likewise.
6033 (final_prescan_insn): Likewise.
6034 (avr_simplify_comparision_p): Likewise.
6035 (avr_normalize_condition): Likewise.
6036 (compare_eq_p): Likewise.
6037 (out_shift_with_cnt): Likewise.
6038 (const_int_pow2_p): Likewise.
6039 (output_reload_inhi): Prototype declaration changed.
6041 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
6042 (ldi_reg_rtx): New. rtx for r31.
6043 (avr_init_stack): Initialize as "__stack".
6044 (function_prologue): Use it.
6045 Replace all TARGET_ENHANCED with AVR_ENHANCED.
6046 (avr_mcu_name): Initialize as "avr2".
6047 (avr_enhanced_p, avr_mega_p): New variables.
6048 (mcu_types, avr_override_options): Handle all known MCU types.
6049 Also handle avr1 (only preprocess, assemble and link).
6050 (print_operand): Using of `%K' in output template removed.
6051 (out_movqi_r_mr): Optimized.
6052 (out_movhi_r_mr): Likewise.
6053 (output_movqi): New function.
6054 (output_movhi): Likewise.
6055 (out_movsi_r_mr): Optimized.
6056 (output_movsisf): Compute insn length for `adjust_insn_length'
6057 (out_movqi_mr_r): Optimized.
6058 (out_movhi_mr_r): Optimized.
6059 (adjust_insn_length): Use output_movsisf, output_movqi,
6060 output_movhi for insn length adjusting.
6061 (reg_unused_after): Use dead_or_set_p.
6062 (preferred_reload_class): Now havn't any restriction.
6063 (reg_was_0): New function.
6064 (io_address_p): Likewise.
6065 (const_int_pow2_p): Likewise.
6066 (output_reload_inhi): Likewise.
6067 (output_reload_insisf): Likewise.
6069 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
6070 (LIB_SPEC): Use -lc for all supported devices.
6071 (LIBGCC_SPEC): Use -lgcc for all supported devices.
6072 (AVR_MEGA): Define as avr_mega_p.
6073 (AVR_ENHANCED): New, define as avr_enhanced_p.
6074 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
6075 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
6076 (CRT_BINUTILS_SPECS): Handle all known MCU types.
6077 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
6078 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
6079 (ASM_SPEC): Pass -mmcu=... to the assembler.
6080 Change all -DAVR_* to -D__AVR_*__.
6081 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
6082 Rename library functions to start with two underscores.
6083 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
6085 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
6086 (SUPPORTS_WEAK): Likewise.
6087 (LDI_REG_REGNO): New. Register r31 will be used as temporary
6088 register for loading constants to r0-r14.
6090 * config/avr/avr.md: Replace all TARGET_ENHANCED with
6092 (*mov_r_sp): Removed. Handled by output_movhi.
6093 (*mov_sp_r): Likewise.
6094 (*mov_sp_r_no_interrupts): Likewise
6095 (*mov_sp_r_tiny): Likewise.
6096 (*movqi): Use output_movqi.
6097 (*reload_inqi): New.
6098 (*movhi): Use output_movhi.
6099 (*reload_inhi): New.
6100 (*negsi2): Optimized.
6101 (*negsf2): Likewise.
6102 Added peepholes (define_peephole2) for loading constants to r0-r14
6103 and for using `cpse' command.
6105 * config/avr/libgcc.S: Rename library functions to start with two
6107 Add support for enhanced core.
6108 (_moqhi3): Fix typo, now _modqi3.
6109 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
6110 (__prologue_saves__): Remove test for stack adjust by 0.
6111 (__tablejump__): New.
6113 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
6114 Add multilib support.
6116 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
6118 * loop.c (prescan_loop): Don't check unknown_address_altered
6119 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
6120 to loop_store_mems as necessary.
6121 (loop_invariant_p): Don't check unknown_address_altered
6122 or unknown_constant_address_altered.
6124 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6126 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
6128 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6130 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
6131 print just the filename.
6132 * cpplex.c (_cpp_run_directive): Add additional argument, the
6133 name to give the synthetic buffer. This defaults to
6134 translated "<command line>".
6135 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
6137 (_cpp_define_builtin): New function.
6138 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
6139 * cpphash.h: Update prototypes.
6141 * tradcpp.c (main): Process -D and -U simultaneously, in the
6142 order they appeared on the command line.
6144 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6146 * c-decl.c (define_label): Call warning_with_file_and_line and
6147 error_with_file_and_line instead of plain warning or error.
6149 * c-parse.in (label): Use save_filename/save_lineno to ensure
6150 correct values for calls to define_label.
6152 2000-08-29 Mark Mitchell <mark@codesourcery.com>
6154 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
6156 * expr.c (expand_expr, case TARGET_EXPR): Don't call
6158 * tree.h (get_file_function_name): Remove two duplicate
6161 2000-08-28 Kazu Hirata <kazu@hxi.com>
6163 * tree.c: Fix formatting.
6165 * xcoffout.c: Fix formatting.
6167 2000-08-28 Jason Merrill <jason@redhat.com>
6169 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
6171 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6173 * dwarf2out.c (dwarf2out_finish): Don't bother calling
6174 break_out_includes if it won't do anything.
6176 2000-08-28 Richard Henderson <rth@cygnus.com>
6178 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
6179 (find_reloads): Likewise.
6180 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
6181 (reload_inhi): Likewise.
6183 2000-08-28 Richard Henderson <rth@cygnus.com>
6185 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
6186 (call_insn_operand): Don't expect a surrounding mem.
6187 (constant_call_address_operand): Likewise.
6188 * config/i386/i386.h (PREDICATE_CODES): Update.
6189 * config/i386/i386.md (call patterns): Move the match_operand
6190 for the call destination inside the mem.
6192 2000-08-28 Richard Henderson <rth@cygnus.com>
6194 * local-alloc.c (requires_inout): Don't use reserved range for
6195 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
6196 * recog.c (asm_operand_ok): Likewise.
6197 (preprocess_constraints, constrain_operands): Likewise.
6198 * regclass.c (record_reg_classes): Likewise.
6199 * reload.c (find_reloads): Likewise.
6200 * reload1.c (maybe_fix_stack_asms): Likewise.
6201 (reload_cse_simplify_operands): Likewise.
6202 * stmt.c (expand_asm_operands): Likewise.
6204 * md.texi: Update constraints documentation.
6205 * tm.texi (EXTRA_CONSTRAINT): Update.
6207 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6209 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
6210 (print_die): If we don't know the offset of the
6211 target die, try the symbol. Add a trailing newline.
6212 (reverse_all_dies): New fn.
6213 (dwarf2out_finish): Call it.
6214 (break_out_includes): Reorganize for clarity.
6215 (add_sibling_attributes): Don't call reverse_die_lists.
6216 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
6218 * flags.h: Add flag_eliminate_dwarf2_dups.
6219 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
6221 2000-08-28 Jason Merrill <jason@redhat.com>
6223 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
6224 * dwarf2out.c: #include "md5.h".
6225 (DIE_LABEL_PREFIX): New macro.
6226 (dw_val_struct): Add 'external' flag to val_die_ref.
6227 (add_AT_die_ref, AT_ref): Adjust.
6228 (AT_ref_external, set_AT_ref_external): New fns.
6229 (build_abbrev_table): Call set_AT_ref_external.
6230 (value_format): Call AT_ref_external.
6231 (die_struct): Add die_symbol field.
6232 (new_die): Clear it.
6233 (dwarf_tag_name): Handle BINCL/EINCL.
6234 (dwarf2out_start_source_file): Add BINCL DIE.
6235 (dwarf2out_end_source_file): Add EINCL DIE.
6236 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
6237 (loc_checksum, attr_checksum, die_checksum): New fns.
6238 (is_type_die, is_comdat_die, is_symbol_die): New fns.
6239 (compute_section_prefix, assign_symbol_names): New fns.
6240 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
6241 (output_die): Call output_die_symbol and AT_ref_external.
6242 (output_comdat_comp_unit): New fn, split out from...
6243 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
6245 (output_pubnames, output_aranges): Abort if we see entries from
6247 * toplev.h: Declare file_name_nondirectory.
6248 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
6249 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
6250 (debug_start_source_file): Call dwarf2out_start_source_file
6251 regardless of debug verbosity.
6252 (debug_end_source_file): Similarly.
6253 * tree.h: Declare clean_symbol_name.
6254 * tree.c (clean_symbol_name): Split out from...
6255 (get_file_function_name_long): ...here.
6257 * dwarf2out.c (new_loc_descr): Use calloc.
6258 (splice_child_die): Remove the die from the right parent.
6259 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
6261 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6263 * toplev.c (decode_g_option): Don't give warning for unknown -g
6264 option; return 0 instead.
6265 (main): If -g option is not recognized by front end or
6266 language-independent code, give warning.
6268 2000-08-28 Greg McGary <greg@mcgary.org>
6270 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
6271 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
6272 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
6274 2000-08-27 Greg McGary <greg@mcgary.org>
6276 * cpplex.c (parse_string): Don't look for backslash
6277 before first char in `namebuf'.
6278 * loop.c (strength_reduce): Skip NOTEs.
6280 2000-08-27 Jason Merrill <jason@redhat.com>
6282 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
6283 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
6284 TREE_ASM_WRITTEN, either.
6285 (finish_decl): Adjust.
6287 2000-08-28 Philipp Thomas <pthomas@suse.de>
6289 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
6290 they have been incorporated into the gettext CVS. Change the text to
6291 reflect the current status of NLS. Add instructions for accessing
6292 the gettext CVS and add the patch from Martin v. Loewis.
6294 2000-08-27 Geoff Keating <geoffk@cygnus.com>
6296 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
6297 by using gen_lowpart_common.
6298 (movdi_internal64+6): Likewise.
6300 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
6302 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
6305 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
6306 numbers to the ranges used by GDB.
6308 2000-08-25 Richard Henderson <rth@cygnus.com>
6310 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
6311 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
6312 (ia64_expand_prologue): Likewise.
6313 (ia64_setup_incoming_varargs): Set it. Properly skip the current
6314 argument for stdargs.
6316 2000-08-25 Jason Merrill <jason@redhat.com>
6318 * integrate.c (expand_inline_function): Pull out the original decl.
6320 2000-08-25 Jim Wilson <wilson@cygnus.com>
6322 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
6324 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
6326 2000-08-25 Greg McGary <greg@mcgary.org>
6328 * flow.c (dump_edge_info): Use ARRAY_SIZE.
6329 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
6331 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
6333 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
6335 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
6337 * i386.c (ix86_find_base_term): New.
6338 * i386-protos.h (ix86_find_base_term): Prototype.
6339 * i386.h (FIND_BASE_TERM): Define.
6340 * alias.c (find_base_term): Use it.
6341 * tm.texi (FIND_BASE_TERM): Document it.
6343 * alias.c (true_dependence, write_dependence_p): Unchanging
6344 memory can't conflict with non-unchanging memory.
6346 * alias.c (memrefs_conflict_p): A BLKmode reference
6347 to a symbol (or CONST_INT address) always conflicts
6348 with a reference to another symbol.
6350 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
6352 * c-common.c (time_char_table): Don't allow width and flags with
6355 2000-08-25 Jakub Jelinek <jakub@redhat.com>
6357 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
6358 way as LT and LTU when the second operand has 0 in low word.
6360 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6362 * basic-block.h (struct loop): Rename `exits' field to
6363 `exit_edges'. Add `entry_edges' and `num_entries' fields.
6365 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
6366 (flow_loop_entry_edges_find): Add.
6367 (flow_edge_list_print): Rename from flow_exits_print.
6368 (flow_loops_find): Call flow_loop_entry_edges_find.
6369 (flow_loop_dump): Dump entry_edges list.
6370 (flow_loops_free): Free entry_edges.
6372 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6374 * loop.c (loop_dump_aux, debug_loop): New functions.
6375 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
6377 * flow.c (flow_loops_dump): Add callback parameter.
6378 (flow_loop_dump): Add callback parameter and call it. Move
6379 loop note debugging code to loop_dump_aux.
6381 * basic-block.h (flow_loop_dump): Add callback parameter
6382 (flow_loops_dump): Likewise.
6384 * toplev.c (rest_of_compilation): Add NULL callback function pointer
6385 to call to flow_loops_dump.
6387 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6389 * loop.c (count_loop_regs_set): Replace start and end arguments
6390 with loop argument. All callers udated.
6392 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6394 * loop.c (constant_high_bytes): Delete.
6396 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6398 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
6399 and NOTE_INSN_LOOP_VTOP to...
6400 (find_and_verify_loops) ...here.
6402 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
6404 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
6405 (fini_dummy, init_dummy): Use it.
6407 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
6409 * cpplex.c (is_macro_disabled): Caller has already checked
6410 that we're not a preprocessed file.
6412 2000-08-24 Mark Mitchell <mark@codesourcery.com>
6414 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
6415 (c-iterate.o): Remove target.
6416 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
6417 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
6418 (finish_decl): Don't handle iterators.
6419 (grokdeclarator): Likewise.
6420 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
6421 * gcc/c-gperf.h: Regenerated.
6422 * gcc/c-iterate.c: Removed.
6423 * gcc/c-lex.c (init_lex): Don't handle iterators.
6424 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
6425 (compstmt_primary_start): Remove push_iterator_stack call.
6426 (stmt): Don't allow iterator statements. Replace iterator_expand
6427 with expand_expr_stmt.
6428 (all_iter_stmt): Remove.
6429 (all_iter_stmt_simple): Likewise.
6430 (all_iter_stmt_with_decl): Likewise.
6431 * gcc/c-tree.h (ITERATOR_P): Remove.
6432 (ITERATOR_BOUND_P): Likewise.
6433 (init_iterators): Remove declaration.
6434 (iterator_expand): Likewise.
6435 (iterator_for_loop_start): Likewise.
6436 (iterator_for_loop_end): Likewise.
6437 (iterator_for_loop_record): Likewise.
6438 (push_iterator_stack): Likewise.
6439 (pop_iterator_stack): Likewise.
6440 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
6441 (readonly_warning): Likewise.
6442 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
6444 2000-08-24 Jim Wilson <wilson@cygnus.com>
6446 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
6447 Copy type in a TYPE_DECL, just like pushdecl does.
6449 2000-08-24 Richard Henderson <rth@cygnus.com>
6451 * toplev.c (main): Enable flag_reorder_blocks at -O2.
6453 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6455 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
6456 asked for one page, allocate GGC_QUIRE_SIZE of them and put
6457 the extras on the free list.
6458 (release_pages): Clean up.
6459 (ggc_set_mark): Don't adjust G.allocated here...
6460 (sweep_pages): ... do it here.
6462 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6464 * cppfiles.c (read_include_file): Rearrange initializations.
6466 2000-08-24 Richard Henderson <rth@cygnus.com>
6468 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6470 * config/ia64/ia64-protos.h: Update.
6471 * config/ia64/ia64.c (gr_register_operand): New.
6472 (fr_register_operand, grfr_register_operand): New.
6473 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6474 (grfr_reg_or_8bit_operand): New.
6475 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6476 use gr_register_operand.
6477 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6478 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6479 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6480 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6481 (fr_reg_or_fp01_operand): Likewise.
6482 (not_postinc_memory_operand): New.
6483 (ia64_split_timode): Remove unused variables.
6484 (rtx_needs_barrier): Check arguments to cmpxchg.
6485 (builtin_description): Remove.
6486 (bdesc_2argsi, bdesc_2argdi): Remove.
6487 (ia64_init_builtins): Declare all builtins directly.
6488 (ia64_expand_fetch_and_op): Rewrite to be called from
6489 ia64_expand_builtin directly. Use expand_binop and co.
6490 (ia64_expand_op_and_fetch): Likewise.
6491 (ia64_expand_compare_and_swap): Likewise.
6492 (ia64_expand_binop_builtin): Remove.
6493 (ia64_expand_lock_test_and_set): New.
6494 (ia64_expand_lock_release): New.
6495 (ia64_expand_builtin): Use them.
6496 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6497 (EXTRA_CONSTRAINT): Use it.
6498 (PREDICATE_CODES): Update.
6499 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6500 (mf): Indicate that we set memory as well as use it.
6501 (fetchadd_acq_si): Show memory being modified as well.
6502 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6503 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6504 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6505 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6506 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6507 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6508 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6509 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6510 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6511 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6512 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6513 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6514 return type. Pretty print definitions.
6516 2000-08-24 Jim Wilson <wilson@cygnus.com>
6518 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6519 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6521 2000-08-24 Jason Merrill <jason@redhat.com>
6523 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6524 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6525 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6526 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6528 2000-08-24 Greg McGary <greg@mcgary.org>
6530 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6531 and extendtab within their proper array boundaries.
6532 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6533 for the entire array.
6535 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6536 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6537 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6538 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6539 * config/i386/dgux.c (output_options): Likewise.
6540 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6541 * config/m88k/m88k.c (output_options): Likewise.
6542 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6543 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6544 layout_mcore_frame, handle_structs_in_regs): Likewise.
6545 * config/mips/mips.c (output_block_move): Likewise.
6546 * config/rs6000/rs6000.c (rs6000_override_options,
6547 rs6000_file_start): Likewise.
6548 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6549 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6550 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6551 * builtins.c (expand_builtin_setjmp): Likewise.
6552 * expr.c (safe_from_p): Likewise.
6553 * flow.c (life_analysis): Likewise.
6554 * fold-const.c (size_int_type_wide): Likewise.
6555 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6556 * genattrtab.c (make_length_attrs): Likewise.
6557 * genopinit.c (gen_insn): Likewise.
6558 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6559 * global.c (global_alloc): Likewise.
6560 * local-alloc.c (find_free_reg): Likewise.
6561 * mips-tdump.c (print_symbol): Likewise.
6562 * mips-tfile.c (parse_def, parse_input): Likewise.
6563 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6564 * stmt.c (expand_nl_goto_receiver): Likewise.
6565 * stor-layout.c (set_sizetype): Likewise.
6566 * varasm.c (decode_reg_name): Likewise.
6567 * toplev.c (decode_f_option, decode_W_option,
6568 set_target_switch, print_switch_values): Likewise.
6569 (NUM_ELEM): Remove macro.
6570 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6572 2000-08-24 Greg McGary <greg@mcgary.org>
6574 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6575 (MAIN_NAME_P, main_identifier_node): New macros.
6576 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6577 * c-decl.c (start_decl, grokdeclarator, start_function,
6578 store_parm_decls, finish_function): Use MAIN_NAME_P.
6579 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6580 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6581 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6582 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6584 2000-08-24 Greg McGary <greg@mcgary.org>
6586 * cppfiles.c (actual_directory): Don't write beyond `dir'
6587 when it contains "".
6588 * real.c (asctoeg): Stay within bounds of etens[][].
6590 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6592 * dependence.c (dependence_string, direction_string,
6593 dump_one_node, dump_node_dependence): Hide unused identifiers.
6594 (get_low_bound, normalize_coefficients): Match definition to
6596 (get_one_coefficient): Initialize variables `value0_is_idx' and
6598 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6599 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6600 (direction_merge): Avoid automatic aggregate initialization.
6601 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6602 Initialize variables `dest_idx' and `src_idx'.
6603 (end_dependence_analysis): Avoid C89 style function definition.
6605 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6607 * c-common.c (time_char_table): Don't allow width with %F.
6608 (check_format_info): Don't allow "Z" length with scanf.
6610 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6612 * diagnostic.c (finish_diagnostic): Define.
6613 (output_do_printf): Use wrap_text instead of output_add_string.
6614 (default_print_error_function): Avoid embedded '\n'.
6616 * diagnostic.h (flush_diagnostic_buffer): Declare.
6618 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6620 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6622 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6624 * Makefile.in (GCC_PASSES): Add specs.
6626 2000-08-23 Jim Wilson <wilson@cygnus.com>
6628 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6629 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6630 EHANDLER nor UHANDLER bit is set.
6631 (__get_except_table): Likewise.
6633 2000-08-23 Nick Clifton <nickc@redhat.com>
6635 * config/arm/lib1funcs.asm: Replace upper case condition codes
6636 with lower case versions.
6638 * config/arm/arm.h (STRUCT_VALUE): Define.
6639 (STRUCT_VALUE_REGNUM): Delete.
6641 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6643 * cpphash.h (IN_I): New flag for directive table.
6644 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6646 (_cpp_check_directive): If -fpreprocessed, execute directives
6647 marked with IN_I. Issue no warnings in this case.
6648 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6650 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6652 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6654 (check_format_info): Support printf 'I' flag; warn about it with
6657 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6659 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6660 barrier can't be ignored by the alias analysis code.
6662 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6664 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6665 works inside fixincl.
6667 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6669 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6670 simplify_relational_operation() unless both operands are of
6672 * cse.c (fold_rtx): Likewise.
6674 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6676 * rtlanal.c (rtx_unstable_p): The pic register is stable
6677 (within one function) and the actual rtx should be used
6678 when checking the registers.
6679 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6681 * alias.c (true_dependence, write_dependence_p): Fix
6682 bug in previous patch.
6684 * i386.c (ix86_GOT_alias_set): New.
6685 (legitimize_pic_address): Use it.
6687 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6688 only stable if its address is stable.
6689 (rtx_varies_p): An unchanging MEM can't vary if
6690 its address doesn't vary.
6692 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6694 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6696 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6698 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6699 * x-vax-gcc: New file for bootstrapping with gcc.
6700 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6701 * configure.in: Use x-vax-gcc with gcc.
6702 * configure: Rebuilt.
6704 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6706 * toplev.c (rest_of_compilation): Rebuild label notes after
6707 post-reload splitting pass if new labels have been created.
6709 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6711 * diagnostic.h (output_buffer_state): New macro.
6712 * diagnostic.c (diagnostic_for_decl, sorry,
6713 default_print_error_function, output_do_verbatim,
6714 report_diagnostic, report_problematic_module): Use it.
6716 (output_format): Use wrap_text instead of maybe_wrap_text.
6718 2000-08-22 Nick Clifton <nickc@redhat.com>
6720 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6721 Common code for ARM divide and modulus functions.
6722 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6724 (FUNC_END): New macro: Common code at the end of the division and
6726 (THUMB_FUNCTION_START): New macro: Common code at the start of
6728 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6730 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6732 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6734 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6735 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6738 2000-08-22 Nick Clifton <nickc@redhat.com>
6740 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6741 restorative additions, test for bottom bits of IP being set,
6742 rather than relying upon the RORs not matching.
6745 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6747 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6748 text_section() as appropriate instead of emitting text csect
6750 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6751 (UNIQUE_SECTION): Define macro.
6752 (ASM_OUTPUT_SECTION_NAME): Define macro.
6753 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6754 on AIX if debugging and -fdata-sections always.
6756 2000-08-22 Steven King <sxking@uswest.net>
6758 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6760 (LDBL_MAX): Same here.
6762 2000-08-22 Richard Henderson <rth@cygnus.com>
6764 * flow.c (tidy_fallthru_edge): Update b->end properly.
6766 2000-08-22 Stan Cox <scox@redhat.com>
6768 * Makefile.in (OBJS): Add dependence.o.
6769 * dependence.c: New file.
6771 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6773 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6775 (check_sibcall_argument_overlap): Likewise.
6777 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6779 * invoke.texi (SH Options): Document -m4-nofpu,
6780 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6781 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6783 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6785 * c-common.c (check_format_info): Give the 'some locales' warning
6786 for strftime %Ey rather than the unconditional 'only last 2 digits
6789 2000-08-22 Richard Henderson <rth@cygnus.com>
6791 * alias.c (init_alias_analysis): Do not register
6792 struct_value_incoming_rtx or static_chain_rtx as pointing
6795 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6797 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6799 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6801 * diagnostic.h (report_problematic_module): Declare.
6802 * diagnostic.c (report_problematic_module): New function.
6803 (report_error_function): Tweak.
6805 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6807 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6808 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6810 2000-08-21 Richard Henderson <rth@cygnus.com>
6812 * flow.c (calculate_global_regs_live): Mark frame pointer live
6813 everywhere before reload.
6815 2000-08-21 Jim Wilson <wilson@cygnus.com>
6817 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6818 INTEL_EXTENDED_IEEE_FORMAT.
6819 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6820 clear last two bytes of output FP value.
6822 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6824 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6826 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6828 * unroll.c (loop_find_equiv_value): If ret is modified between
6829 insn and loop_start, ret might not be equivalent to reg.
6831 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6833 * c-common.c (init_dollar_format_checking,
6834 maybe_read_dollar_number, finish_dollar_format_checking): New
6836 (dollar_arguments_used, dollar_arguments_count,
6837 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6839 (check_format_info): Support $ formats for scanf and printf width
6840 and precision. Always increment format_chars to advance past the
6841 '*' of precision, not just when the format parameters are
6844 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6846 * mips.c (block_move_loop, expand_block_move,
6847 function_arg_partial_nregs, save_restore_insns, function_prologue,
6848 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6850 (function_arg_advance, function_arg): Match argument to format
6853 2000-08-21 Nix <nix@esperi.demon.co.uk>
6855 * gcc.c (do_spec_1): Implement %j spec flag.
6856 Remove dead comment.
6858 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6859 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6860 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6861 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6863 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6864 writable) instead of hardcoded value.
6866 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6868 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6871 * gcc.c (cc1_options): Do not process -o or run the assembler if
6873 * objc/lang-spec.h: Likewise.
6875 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6877 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6878 "external" fixes through `cat', to avoid truncating the input
6879 file by redirection.
6881 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6883 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6885 (lea_general_2, lea_general_3): Likewise.
6887 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6889 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6890 warnings to user code.
6892 * c-lex.c (readescape, yylex): Likewise.
6894 * c-typeck.c (store_init_value, process_init_element): Likewise
6895 (c_expand_start_case): Format.
6897 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6899 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6901 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6902 and linker_endian_spec to endian_spec.
6903 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6904 (LINK_SPEC): Remove %{EB} and %{EL}.
6905 (ASM_SPEC): Likewise. Use %(endian_spec).
6907 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6909 * c-tree.h (flag_hosted): Move declaration from here...
6910 * c-common.h (flag_hosted): ... to here.
6911 (flag_noniso_default_format_attributes): New declaration.
6912 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6913 (c_decode_option): Set it appropriately for options choosing
6914 language standard variant.
6915 * c-common.c (init_function_format_info): Only provide default
6916 format attributes if flag_hosted. Only provide the gettext
6917 formats if flag_noniso_default_format_attributes. Update
6919 (check_format_info): Disable treatment of %a as a scanf flag in
6922 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6924 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6926 (check_format_info): Set 'wide' for scanf format widths. Warn for
6927 a zero scanf width. Make the check for writing into a constant
6928 object at the first level of indirection; at later levels, warn if
6929 any type qualifiers are encountered.
6931 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6933 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6935 (push_reload): Use reload_inner_reg_of_subreg.
6936 (combine_reloads): Do not combine reloads if the input reload
6937 is a SUBREG in which the inner part will need reloading.
6939 * global.c (global_alloc): Avoid passing dumpfile argument to
6941 * toplev.c (rest_of_compilation): Likewise.
6942 * reload.h (reload): Remove dumpfile argument. Callers changed.
6943 (debug_reload, debug_reload_to_stream): Move prototypes here.
6944 * rtl.h (reload): Remove dumpfile argument.
6945 * reload.c (debug_reload): Remove prototype.
6946 (debug_reload_to_stream): Likewise.
6947 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6950 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6952 * diagnostic.c (context_as_prefix): Export.
6953 (need_error_newline): Remove.
6954 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6955 (error_module_changed, record_last_error_module,
6956 error_function_changed, record_last_error_function): New functions.
6957 (initialize_diagnostics): Default intialize
6958 lang_diagnostic_starter, lang_diagnostic_finalizer.
6959 (init_output_buffer): Tweak.
6960 (file_name_as_prefix): New function.
6961 (announce_function, default_print_error_function,
6962 report_error_function, set_diagnostic_context): Tweak.
6964 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6966 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6967 condition expression.
6969 2000-08-20 Richard Henderson <rth@cygnus.com>
6971 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6973 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6975 * cppinit.c (cpp_init): Set global flag when called.
6976 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6978 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6980 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6981 before `process_directive' so that newlines won't be missed
6983 (cpp_printf): Increment `print->lineno' when newline is emitted.
6985 * cppmain.c (cb_ident): Likewise.
6986 (cb_define): Likewise.
6987 (cb_undef): Likewise.
6988 (cb_include): Likewise.
6989 (cb_def_pragma): Likewise.
6990 (dump_macros_helper): Likewise.
6992 2000-08-20 Richard Henderson <rth@cygnus.com>
6994 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6995 assigned before a loop.
6997 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6998 (ashrsi3, lshrsi3): Likewise.
7000 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7002 * c-lang.c: #include diagnostic.h
7003 (c_tree_printer): New function.
7004 (lang_init): Initialize lang_printer.
7006 * Makefile.in (c-lang.o): Depends on diagnostic.h
7008 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7010 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
7012 * diagnostic.c (default_diagnostic_starter,
7013 default_diagnostic_finalizer): New functions.
7014 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
7015 (pedwarn, pedwarn_with_file_and_line, error,
7016 error_with_file_and_line, fatal, warning,
7017 warning_with_file_and_line): Adjust call to report_diagnostic.
7018 (report_diagnostic): Rework.
7019 (set_diagnostic_context): New function.
7021 * diagnostic.h (struct diagnostic_context): New data structure.
7022 (diagnostic_message, diagnostic_argument_list,
7023 diagnostic_file_location, diagnostic_line_location,
7024 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
7025 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
7026 (set_diagnostic_context): Declare.
7027 (report_diagnostic): Change prototype.
7029 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
7031 * fix-header.c (main): Initialize cpplib.
7033 2000-08-19 Michael Meissner <meissner@redhat.com>
7035 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
7036 instructions in it before checking for indirect jumps.
7038 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7039 in a indirect jump as a potential for conditional execution.
7041 * d30v.h (d30v_init_expanders): Don't declare here.
7042 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
7045 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
7047 * cpp.texi: Add @section for assertions.
7049 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
7051 * loop.c (scan_loop): Use CONST_CALL_P instead of
7052 checking for REG_LIBCALL / REG_RETVAL.
7054 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
7056 * reload1.c (reload_as_needed): Accept dumpfile argument,
7057 pass it to emit_reload_insns.
7058 (emit_reload_insns): Add new dumpfile argument. If non-null
7059 then dump the reloads for each insn into the dumpfile.
7060 (reload): Pass dumpfile to reload_as_needed.
7062 * invoke.texi: Clean up linux-gnu vs linux comments.
7064 2000-08-19 Richard Henderson <rth@cygnus.com>
7066 * config/ia64/ia64.c (reg_or_5bit_operand): New.
7067 (ia64_depz_field_mask): New.
7068 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
7069 (PREDICATE_CODES): Update.
7070 * config/ia64/ia64.md: Update commentary.
7071 (depz_internal): New.
7072 (ashlsi3): Implement directly.
7073 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
7074 (ashldi3): Use shladd.
7075 * config/ia64/ia64-protos.h: Update.
7077 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7079 * toplev.c (independent_decode_option): Always process -g.
7080 Remove third argument, now unused. Adjust caller to match.
7082 2000-08-18 Richard Henderson <rth@cygnus.com>
7084 * combine.c (make_compound_operation): Break after creating
7087 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7089 * cpplib.c (cpp_register_pragma_space): Just return if the
7090 namespace is already registered.
7092 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
7094 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
7095 constant amount. Do not generate ROTL instruction.
7097 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
7099 * config/sh/elf.h: Do not include sh/sh.h.
7100 * config/sh/rtems.h: Likewise.
7101 * config/sh/rtemself.h: Do not include sh/elf.h.
7102 * configure.in: Get them included with `tm_file's.
7103 * configure: Rebuilt.
7105 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
7106 * config/sh/sh.c (fpscr_set_from_mem): Use them.
7108 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7110 * stor-layout.c (compute_record_type): Don't use mode of single
7111 field as mode of record if not integer mode of same type.
7113 * regmove.c (perhaps_ends_bb_p): New function.
7114 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
7115 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
7116 (fixup_match_1): Likewise.
7117 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
7118 avoid signed/unsigned warnings.
7120 * function.c (fixup_var_refs_1, case MEM): Update CODE after
7123 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
7125 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
7126 (_cpp_trigraph_map): Declaration moved from cpplex.c
7128 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
7129 instead of 256. Use consistent test for designated initializers.
7130 (cpp_init): Initialize trigraph_map.
7131 (initialize_standard_includes, parse_option): Use memcmp
7134 * cpplex.c (init_trigraph_map): Remove.
7135 (trigraph_ok, trigraph_replace, lex_line): Refer to
7138 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
7139 (do_unassert): Remove unused "next" local.
7141 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
7143 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
7145 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
7148 2000-08-17 Richard Henderson <rth@cygnus.com>
7150 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
7151 the first insn in a sequence.
7153 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
7155 * alias.c (true_dependence, write_dependence_p): A read
7156 involving a label_ref or the constant pool doesn't create
7159 * rtl.h (unchanging): Improve documentation.
7161 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
7163 * cse.c (insert_regs): Remove unused `regno'.
7165 2000-08-17 Neil Booth <NeilB@earthling.net>
7167 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
7168 remove_dup_dirs. If qtail == brack, remove brack not
7170 (remove_dup_dir, remove_dup_dirs): New functions.
7172 2000-08-17 Neil Booth <NeilB@earthling.net>
7174 * cppinit.c (cpp_cleanup): Free include dir chains.
7175 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
7176 (do_unassert): Free the assert with _cpp_free_definition.
7177 * cppmacro.c (_cpp_free_definition): Free memory allocated for
7178 assertions. Make the node a T_VOID node.
7180 2000-08-17 Neil Booth <NeilB@earthling.net>
7182 * cppinit.c (path_include, append_include_chain):
7183 Remove 2nd parameter (struct cpp_pending *).
7184 (path_include, initialize_standard_includes, cpp_handle_option):
7185 Update callers appropriately.
7186 (cpp_handle_option): Use pend.
7188 2000-08-17 Neil Booth <NeilB@earthling.net>
7190 * cppinit.c (sort_options): Remove, put functionality in
7193 (initialize_builtins): Free memory.
7194 (cpp_start_read): Move init_IStable to cpp_init.
7196 * cpplib.h (cpp_init): New prototype.
7197 * cppmain.c (main): Call cpp_init.
7199 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
7201 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
7202 (rtx_unstable_p, rtx_varies_p): Process vectors.
7204 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7206 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
7207 references to GLOBAL symbols. Use LOCAL where appropriate.
7209 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7211 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
7212 use t-aix41 when host == target.
7214 2000-08-16 Richard Henderson <rth@cygnus.com>
7216 * reload.c (push_secondary_reload): Revert last change.
7217 If we use a reload_in/out pattern, make the when the same
7218 as the primary reload.
7219 (find_reloads): Likewise.
7221 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
7223 * configure.in (libstdcxx-v3): Fix test.
7224 * configure: Regenerate.
7226 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7228 * calls.c (calls_function_1, expand_call): Only test
7229 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7230 * function.c (thread_prologue_and_epilogue_insns): Likewise.
7232 2000-08-16 Richard Henderson <rth@cygnus.com>
7234 * combine.c (simplify_shift_const): Revert previous two
7235 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
7236 before the main loop.
7238 2000-08-15 Richard Henderson <rth@cygnus.com>
7240 * combine.c (simplify_shift_const): Bound shift count when
7243 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7245 * calls.c (ECF_SP_DEPRESSED): New macro.
7246 (calls_function_1): Treat calling sp-depressed function as alloca.
7247 (emit_call_1): Don't adjust SP if calling sp-depressed function.
7248 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
7249 If sp-depressed, ensure block saves and restores SP.
7250 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
7252 * function.c (keep_stack_depressed): New function.
7253 (thread_prologue_and_epilogue_insns): Call it.
7254 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
7255 to print DECL_OFFSET_ALIGN.
7256 Print no-force-blk and transparent-union flags properly.
7257 * stmt.c (expand_goto_internal): Don't restore stack if last block
7258 and function returns with sp depressed.
7259 (fixup_gotos): Likewise.
7260 (save_stack_pointer): New function, from code in expand_decl.
7261 (expand_decl): Call new function.
7262 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
7263 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
7264 (save_stack_pointer): New declaration.
7266 * diagnostic.c (fatal_function): New variable.
7267 (set_fatal_function): New function.
7269 * diagnostic.h (set_fatal_function): New declaration.
7271 2000-08-15 William Cohen <wcohen@redhat.com>
7273 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
7274 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
7275 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
7277 2000-08-15 Richard Henderson <rth@cygnus.com>
7279 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
7281 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7283 * arm.c (arm_function_ok_for_sibcall): New function.
7284 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
7285 * arm.md (call expanders): Don't check here for calls that can't
7288 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7290 * arm.md (splits generating cond_exec): Disable.
7292 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7294 * arm/linux-elf.h (text_section): Delete declaration.
7296 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7298 ARM support for unordered FP operations.
7299 * arm-protos.h (arm_comparison_operator): Declare.
7300 * arm.c (arm_comparison_operator): New function.
7301 (arm_select_cc_mode): Add unordered comparison codes.
7302 (get_arm_condition_code): Likewise.
7303 (arm_final_prescan_insn): Can't handle unordered jumps that can't
7304 be done in one insn.
7305 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
7306 * arm.md (all uses of comparison_operator): Replace with
7307 arm_comparison_operator.
7308 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
7310 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
7313 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7315 * gthr-posix.h: Conditionally include <sched.h>; include
7316 <config.h> from libobjc/.
7318 2000-08-14 Richard Henderson <rth@cygnus.com>
7320 * config/i386/i386.c (legitimize_pic_address): Use Pmode
7323 2000-08-14 Richard Henderson <rth@cygnus.com>
7325 * configure.in (ia64-*): Set float_format for i386 long double.
7327 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
7328 as we would for i386 XFmode.
7329 (PUT_REAL): Likewise.
7330 (endian, ereal_atof, real_value_truncate): Likewise.
7331 (ereal_isneg, toe64, etens, make_nan): Likewise.
7332 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
7334 * config/ia64/ia64-protos.h: Update.
7335 * config/ia64/ia64.c (general_tfmode_operand): New.
7336 (destination_tfmode_operand): New.
7337 (tfreg_or_fp01_operand): New.
7338 (ia64_split_timode): New.
7339 (spill_tfmode_operand): New.
7340 (ia64_expand_prologue): Use TFmode not XFmode.
7341 (ia64_expand_epilogue): Likewise.
7342 (ia64_function_arg): Likewise.
7343 (ia64_function_arg_advance): Likewise.
7344 (ia64_return_in_memory): Likewise.
7345 (ia64_function_value): Likewise.
7346 (ia64_print_operand): Likewise.
7347 (ia64_register_move_cost): Set GR<->FR to 5.
7348 (ia64_secondary_reload_class): Get GR for TImode memory op.
7349 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
7350 (ROUND_TYPE_ALIGN): Remove.
7351 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
7352 (INTEL_EXTENDED_IEEE_FORMAT): Define.
7353 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
7354 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
7355 (MODES_TIEABLE_P): Use TFmode, not XFmode.
7356 (CLASS_MAX_NREGS): Likewise.
7357 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
7358 (PREDICATE_CODES): Update.
7359 * config/ia64/ia64.md (movti): New.
7360 (movti_internal): Use a clobber for memory alternatives.
7361 (reload_inti, reload_outti): New.
7362 (movsfcc_astep): Predicate properly.
7363 (movdfcc_astep): Likewise.
7366 (extendsftf2, extenddftf2): New.
7367 (trunctfsf2, trunctfdf2): New.
7368 (floatditf2, fix_trunctfdi2): New.
7369 (floatunsditf2, fixuns_trunctfdi2): New.
7370 (addtf3, subtf3, multf3, abstf2): New.
7371 (negtf2, nabstf2, mintf3, maxtf3): New.
7372 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
7374 (fr_spill): Use TFmode, not XFmode.
7375 (fr_restore): Likewise.
7376 * config/ia64/lib1funcs.asm (__divtf3): New.
7377 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
7379 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7381 * cse.c (fold_rtx): Avoid empty body in an if-statement.
7383 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
7384 `U' integer constant suffix.
7386 * dwarf2out.c (add_subscript_info): Avoid empty body in an
7389 * sparc/sol2.h (__enable_execute_stack): Prototype.
7391 2000-08-14 David Edelsohn <edelsohn@gnu.org>
7393 * collect2.c: Remove use of AIX import file.
7395 * longlong.h: Test ARCH_PWR not ARCH_POWER.
7397 * rs6000.c (print_operand, case 'E'): Add else.
7399 2000-08-14 Richard Henderson <rth@cygnus.com>
7401 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
7402 (movdi_symbolic): New.
7404 2000-08-14 Jim Wilson <wilson@cygnus.com>
7406 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7407 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
7408 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7411 2000-08-14 Richard Henderson <rth@cygnus.com>
7413 * expr.c (emit_group_load): Don't force constants into registers.
7414 Special case source already in the correct mode.
7416 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
7418 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
7419 * fixinc/inclhack.def: Likewise.
7420 * fixinc/mkfixinc.sh: Likewise.
7421 * configure: Regenerate.
7422 * fixinc/fixincl.x: Regenerate.
7423 * install.texi: Document equivalence of linux and linux-gnu.
7425 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7427 * cse.c (insert_regs): Also in REG case: When finding an invalid
7428 value, and we make a new quantity, make sure that it won't be
7429 mistaken by for a valid one by mention_regs.
7431 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
7433 * h8300.md: Remove obsolete peepholes.
7435 2000-08-13 Kazu Hirata <kazu@hxi.com>
7437 * invoke.texi (H8/300 Options): Fix typos.
7438 * config/h8300.c: Fix formatting.
7439 * config/h8300.h: Fix comment typos.
7440 (OVERRIDE_OPTIONS): Fix formatting.
7442 * function.c: Fix formatting.
7444 * cse.c: Fix formatting.
7446 2000-08-13 Geoff Keating <geoffk@cygnus.com>
7448 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
7449 (attempt_auto_inc): Suppress parentheses warning.
7450 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
7451 * loop.c (load_mems): Remove `u' suffix in two places.
7452 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
7454 * config/rs6000/rs6000.h: Likewise.
7455 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
7456 __eabi dummy routine.
7457 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
7460 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
7461 not put stuff in .sdata unnecessarily.
7462 (rs6000_unique_section): New function.
7463 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
7464 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
7466 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7467 arrays in C99. Don't try to look at DECL_REGISTER of a
7468 COMPONENT_REF. Don't complain twice about the same error.
7470 * fixinc/inclhack.def (aix_pthread): New fix.
7471 (aix_sysmachine): New fix.
7472 * fixinc/fixincl.x: Regenerate.
7474 * expr.c (expand_expr): Call convert_modes when turning a large
7475 multiply into a small one.
7477 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7479 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7480 the tree structure an exponent rather than an explicit alignment
7481 so it doesn't overflow.
7482 (SET_DECL_OFFSET_ALIGN): New macro.
7483 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7484 rather than DECL_OFFSET_ALIGN.
7485 (place_field): Likewise.
7486 * expmed.c (store_bit_field): Abort on align==0 to avoid
7487 antisocial machine behaviour.
7489 2000-08-12 Richard Henderson <rth@cygnus.com>
7491 * sibcall.c (uses_addressof): Accept both addressof and
7492 current_function_internal_arg_pointer inside a mem.
7493 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7494 if current_function_uses_addressof.
7495 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7498 2000-08-11 Richard Henderson <rth@cygnus.com>
7500 * config/ia64/ia64.md (addsi3): Remove expander.
7501 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7502 (*addsi3_shladd): New.
7504 2000-08-11 Richard Henderson <rth@cygnus.com>
7506 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7507 (do_restore): Likewise.
7508 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7509 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7510 (rtx_needs_barrier): Track actual bit manipulation for
7511 ar.unat moves, gr_spill, and gr_restore.
7512 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7513 (process_set): Don't handle varargs spills.
7514 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7515 .mem.offset here instead of in process_set.
7516 (gr_restore): Likewise.
7518 2000-08-11 Richard Henderson <rth@cygnus.com>
7520 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7522 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7524 * gcc.texi (The Configuration File): Document
7525 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7526 UPDATE_PATH_HOST_CANONICALIZATION.
7528 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7530 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7531 unprototyped function pointer casts on integer constants.
7533 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7535 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7537 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7539 * extend.texi (Volatiles): Fix typos.
7541 2000-08-11 Kazu Hirata <kazu@hxi.com>
7543 * flow.c: Fix formatting.
7545 2000-08-11 Richard Henderson <rth@cygnus.com>
7547 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7548 pattern, always allocate a tertiary scratch register.
7550 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7551 (reload_inhi): Likewise.
7553 2000-08-11 Richard Henderson <rth@cygnus.com>
7555 * function.c (put_reg_into_stack): Allow type to be NULL.
7556 (schedule_fixup_var_refs): Likewise.
7557 (gen_mem_addressof): Allow decl to be NULL.
7558 (put_addressof_into_stack): Likewise.
7560 * flow.c (merge_blocks_nomove): Be more careful about
7561 locating the beginning of block A.
7563 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7565 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7570 * config.in: Reverted the check for <sched.h>.
7572 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7574 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7575 macros define the name of CTOR and DTOR sections.
7576 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7577 DTOR_LIST_END): Change to use attributes to specify
7579 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7580 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7581 DTOR_LIST_END): Same as in mips/elf.h.
7583 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7585 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7586 disabling just crt0.o.
7588 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7590 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7591 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7592 (EXTRA_SPECS): Add them.
7593 * arm/lib1funcs.asm: Support builds for interworking.
7594 Use macros to eliminate duplicated pieces of code.
7596 2000-08-10 Kazu Hirata <kazu@hxi.com>
7598 * h8300.c (expand_a_rotate): New.
7599 (emit_a_rotate): Likewise.
7600 (h8300_adjust_insn_length): Add support for the rotate insns.
7601 * h8300.md (rotlqi3): New.
7602 (*rotlqi3_1): Likewise.
7603 (rotlhi3): Likewise.
7604 (*rotlhi3_1): Likewise.
7605 (rotlhi3): Likewise.
7606 (*rotlhi3_1): Likewise.
7607 * h8300-proto.h: Add prototypes for expand_a_rotate and
7610 * h8300.c: Fix comment typos.
7611 (dosize): Declare the variable amount as unsigned.
7612 (get_shift_alg): Fix a comparison between signed and unsigned.
7613 (emit_a_shift): Likewise.
7614 (h8300_adjust_insn_length): Simplify the code.
7616 * c-decl.c: Fix formatting.
7618 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7620 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7621 warning about non-traditional numeric constant suffixes.
7623 * cppexp.c (parse_number): Likewise.
7625 * invoke.texi: (-Wtraditional): Document new behavior.
7627 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7629 * gthr-posix.h: Include auto-host.h. Conditionally include
7631 * configure.in: Check for the <sched.h> header file.
7632 * config.in: Added define for HAVE_SCHED_H.
7634 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7636 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7637 initialization of unions.
7639 * invoke.texi (-Wtraditional): Document new behavior.
7641 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7643 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7644 instead of extra_c_flags.
7645 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7646 * configure: Regenerate.
7647 * config.in: Regenerate.
7649 * cpperror.c (cpp_type2name): New function.
7650 * cpplex.c (lex_line): If we issued an error for an invalid
7651 preprocessing directive, discard that logical line.
7652 * cpplib.c (do_line): Call a hook function if the current file
7653 is renamed by #line.
7654 (do_ident): Pass the contents of the string, not the entire
7655 token, to the callback function.
7656 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7657 (cb.rename_file): New hook function.
7658 (cb.ident): Adjust prototype.
7659 (cpp_type2name): Prototype.
7660 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7662 * cppmain.c (cb_ident): Update for changed interface.
7663 (cb_rename_file): New function.
7664 (main): Set rename callback.
7666 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7668 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7669 multi-word registers.
7671 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7673 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7674 or ISO C89 instead of ANSI C.
7675 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7676 build_enumerator, do_case): Likewise.
7677 * c-lex.c (parse_float, yylex): Likewise.
7678 * c-parse.in: Likewise.
7679 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7680 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7681 build_c_cast, convert_for_assignment, set_init_index,
7682 set_init_label, c_expand_start_case): Likewise.
7683 * toplev.c (documented_lang_options, display_help): Likewise.
7685 2000-08-08 Kazu Hirata <kazu@hxi.com>
7687 * h8300.c: Fix formatting.
7688 * h8300.h: Likewise.
7689 * h8300.md: Likewise.
7690 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7692 * reload1.c: Fix formatting.
7694 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7696 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7697 Use GEN_CALL_VALUE define.
7698 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7699 * clipper/clipper.md (untyped_call): Likewise.
7700 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7701 * fx80/fx80.md (untyped_call): Likewise.
7702 * mips/mips.md (untyped_call): Likewise.
7703 * ns32k/ns32k.md (untyped_call): Likewise.
7704 * pa/pa.md (untyped_call): Likewise.
7705 * romp/romp.md (untyped_call): Likewise.
7706 * sparc/sparc.md (untyped_call): Likewise.
7708 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7710 * config/i860/i860.c (singlemove_string): Do not generate assembler
7711 pseudo instructions that must be expanded (that is, with signed
7712 constants larger than 16 bits).
7714 2000-08-08 Richard Henderson <rth@cygnus.com>
7716 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7717 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7718 (init_propagate_block_info): Don't kill memory stores at -O0.
7719 (mark_set_1, mark_used_regs): Likewise.
7721 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7723 * rs6000.c (optimization_options): Decorate 'level' as
7725 (mask64_operand): Remove sign-extend thinko.
7726 (rldic_operand): New function.
7727 (load_multiple_operation): regno's are unsigned ints.
7728 (store_multiple_operation): Likewise.
7729 (lmw_operation): Likewise.
7730 (stmw_operation): Likewise.
7731 (includes_lshift_p): shift_mask is unsigned int.
7732 (includes_lshift64_p): New function.
7733 (addrs_ok_for_quad_peep): unsigned int reg1.
7734 (print_operand): Consistently add "else" after
7735 output_operand_lossage().
7736 (print_operand, case 'b'): Fold in case 'W'.
7737 (print_operand, case 'W'): Print rldic MB value.
7738 (output_epilogue): Update Objective-C language string.
7739 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7740 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7741 * rs6000.md (ashldi3): Add rldic instruction.
7742 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7743 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7746 2000-08-08 Richard Henderson <rth@cygnus.com>
7748 * config/ia64/ia64-protos.h: Remove duplicates. Update
7749 for massive code rearrangements.
7750 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7751 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7752 (ia64_local_regs, ia64_need_regstk): Remove.
7753 (ar_ccv_reg_operand): New.
7754 (ia64_gp_save_reg): New.
7755 (struct ia64_frame_info): Combine most of the size elements;
7756 add new gr save elements.
7757 (find_gr_spill): New.
7758 (next_scratch_gr_reg): New.
7759 (mark_reg_gr_used_mask): New.
7760 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7761 to GR backing store regs when possible.
7762 (ia64_initial_elimination_offset): New.
7763 (ia64_rap_fp_offset): Remove.
7764 (save_restore_insns): Remove.
7765 (setup_spill_pointers): New.
7766 (finish_spill_pointers): New.
7767 (spill_restore_mem): New.
7768 (do_spill, do_restore): New.
7769 (ia64_expand_prologue): Rewrite to use them.
7770 (ia64_expand_epilogue): Likewise.
7771 (ia64_direct_return): Update for current_frame_info changes.
7772 (ia64_function_prologue): Simplify .prologue emission. Emit
7774 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7775 (ia64_dbx_register_number): New.
7776 (ia64_initialize_trampoline): New.
7777 (ia64_secondary_reload_class): Request GR_REGS for integer
7778 arithmetic destined for FR_REGS.
7779 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7780 (ia64_mark_machine_status): Mark ia64_gp_save.
7781 (rws_access_regno): Rename from rws_access_reg; don't treat
7782 predicates specially.
7783 (rws_access_reg): New. Update all callers.
7784 (rtx_needs_barrier): Remove dead unspecs.
7785 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7786 (ia64_encode_section_info): Silence signed/unsigned warnings.
7787 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7788 (tmp_reg, tmp_saved): Remove.
7789 (process_set): Rewrite to expect complicated bits via
7790 REG_FRAME_RELATED_EXPR.
7791 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7792 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7793 (ia64_expand_op_and_fetch): Likewise.
7794 (ia64_expand_compare_and_swap): Likewise.
7795 (ia64_expand_builtin): Likewise.
7796 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7797 (FIRST_PSEUDO_REGISTER): Update.
7798 (AR_M_REGNO_P): Update.
7799 (FIXED_REGS): Don't mark three local registers as used.
7800 (EXTRA_CC_MODES): New.
7801 (SELECT_CC_MODE): New.
7802 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7803 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7804 (FRAME_GROWS_DOWNWARD): Unset.
7805 (STARTING_FRAME_OFFSET): Zero.
7806 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7807 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7808 (HARD_FRAME_POINTER_REGNUM): New.
7809 (CAN_DEBUG_WITHOUT_FP): Define.
7810 (TRAMPOLINE_TEMPLATE): Remove.
7811 (TRAMPOLINE_SIZE): Lower to 32.
7812 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7813 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7814 (PREDICATE_CODES): Update.
7815 (struct machine_function): Add ia64_gp_save.
7816 * config/ia64/ia64.md: Purge unused unspecs.
7817 (movsi patterns): Allow moves to/from AR_M_REGS.
7818 (movdi patterns): Allow moves to/from p0.
7819 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7820 (gr_spill, gr_restore): Indicate ar.unat read/written.
7821 (nonlocal_goto): Don't pass old frame_pointer.
7822 (nonlocal_goto_receiver): Remove.
7823 (exception_receiver): New.
7824 (builtin_setjmp_setup): New.
7825 (builtin_setjmp_receiver): New.
7826 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7827 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7828 (__ia64_restore_stack_nonlocal): Likewise.
7829 (__ia64_trampoline): New.
7830 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7832 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7834 2000-08-08 Richard Henderson <rth@cygnus.com>
7836 * frame.h (ia64_frame_state): Add my_psp.
7837 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7838 (__throw): Pass it in. Don't clobber r7.
7839 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7840 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7841 and nothing to do with sp.
7842 (normalize_reg_loc): Use frame->my_psp.
7843 (frame_translate): Handle frame-pointer-less functions. Set
7844 spill_base correctly, in absence of being told.
7845 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7846 (__ia64_backtrace_helper): New sp argument. Use
7847 builtin_return_address instead of label addresses.
7848 (print_record) [mem_stack_v]: No size member.
7850 2000-08-08 Richard Henderson <rth@cygnus.com>
7852 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7854 2000-08-08 Richard Henderson <rth@cygnus.com>
7856 * tm.texi (LOCAL_REGNO): Document.
7857 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7858 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7859 * reload1.c (reload): Likewise when considering nonlocal labels.
7861 * config/ia64/ia64.h (LOCAL_REGNO): New.
7862 * config/sparc/sparc.h (LOCAL_REGNO): New.
7864 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7866 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7868 2000-08-07 Nick Clifton <nickc@redhat.com>
7870 * config/mips/mips.c: Fix compile time warning messages.
7871 * config/mips/mips-protos.h: Add prototype for equality_op.
7873 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7875 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7877 * mn10300.md: Use nonimmediate_operand instead of general_operand
7880 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7882 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7884 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7885 * sh.c (expand_block_move): Break long lines.
7886 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7887 * sh.md (mulsi3): Likewise.
7888 (movdi): Adjust spacing.
7890 2000-08-07 Richard Henderson <rth@cygnus.com>
7892 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7893 * expr.c (emit_group_store): Don't set it.
7895 2000-08-07 Kazu Hirata <kazu@hxi.com>
7897 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7898 duplicate entries for 'w' and 'z'.
7900 * flow.c: Fix a comment typo.
7902 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7904 * c-parse.in: Changed the language string for Objective-C to "GNU
7907 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7909 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7910 to improve the Posix thread support for Objective-C.
7912 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7914 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7915 CTI_UNSIGNED_PTRDIFF_TYPE.
7916 (signed_size_type_node): Define.
7917 (unsigned_ptrdiff_type_node): Define.
7918 * c-decl.c (init_decl_processing): Create the
7919 signed_size_type_node and unsigned_ptrdiff_type_node types.
7920 * c-common.c (T_SC): Define.
7923 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7924 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7926 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7927 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7928 flags for %c, %s and %[.
7929 (check_format_info): Only allow leniency for signedness of targets
7930 of character pointers (when pedantic) for formats flagged with
7931 "c", so for strings but not for %hh formats. When pedantic, don't
7932 allow character pointers to substitute for void pointers if a
7933 second level of indirection is present.
7935 2000-08-06 Kazu Hirata <kazu@hxi.com>
7937 * invoke.texi (Options for Debugging Your Program or GCC): Update
7938 the names of dump files.
7940 * h8300.c (dosize): Rearrange code for conciseness.
7941 (split_adds_subs): Likewise.
7943 * loop.c: Fix formatting.
7945 * dwarf2out.c: Fix formatting.
7947 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7949 * expr.c: Fix formatting.
7951 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7953 * rs6000.c (rs6000_maybe_dead): Prototype.
7955 2000-08-06 Richard Henderson <rth@cygnus.com>
7957 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7958 HAVE_nonlocal_goto as well.
7959 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7960 * config/pj/pj.md (nonlocal_goto): Likewise.
7962 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7964 * loop.c (try_swap_copy_prop): New function.
7965 (load_mems): Rename copies to load_copies and add new regset
7966 store_copies. Check for sets of shadow registers and mark
7967 in store_copies. Call try_swap_copy_prop for registers
7968 marked in store_copies.
7970 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7972 * objc/objc-act.c: New command line option -fconstant-string-class
7973 to allow specifying a user defined constant string class,
7974 different from NXConstantString.
7976 * toplev.c: Moved the Objective-C specific options to
7977 objc/lang-options.h.
7979 * objc/lang-options.h: Moved the Objective-C specific options from
7980 toplev.c. Added -fconstant-string-class.
7982 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7984 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7985 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7986 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7987 avoid extra alignment imposed on arrays.
7988 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7989 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7991 * mips.h: Clean up comments and spacing near MASKs.
7992 (TARGET_UNIX_ASM): Delete.
7993 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7994 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7997 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7999 * c-common.c (print_char_table): Add entries for the X/Open '
8000 format flag (print decimals with locale's thousands grouping
8001 character). Make %C expect wint_t.
8002 (check_format_info): If pedantic, warn when the %n$ operand
8003 number form is used. Allow for the ' flag; warn about it if
8006 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
8008 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
8009 type is a float mode, cfun->decl's return type is not, and
8010 TARGET_FLOAT_RETURNS_IN_80387.
8012 2000-08-04 Andreas Schwab <schwab@suse.de>
8014 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
8015 token list, which are always `#' and `pragma'.
8017 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
8019 * tree.c (tree_expr_nonnegative_p): Move to...
8020 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
8021 (rtl_expr_nonnegative_p): New.
8022 * tree.h: Add prototype for rtl_expr_nonnegative_p.
8024 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
8025 CONST_DOUBLE_CHAIN: Move to...
8026 * rtl.h: ...here. Use XCINT/XCEXP.
8028 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
8029 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
8030 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
8033 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
8035 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8037 * config/c4x/c4x.md (return_indirect_internal): New.
8038 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
8040 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8042 * c-common.c (time_char_table): Mark up formats added in C99 and
8043 make other corrections. %D and %g were added in C99. %Og is an
8044 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
8045 C99. %e was added in C99. %Oj is an extension. %G and %z are in
8046 C99 rather than GNU extensions, but %OG and %Oz are extensions.
8047 %h was added in C99. %C was added in C99. %OY and %OC are
8048 extensions. Add the C99 format %F.
8049 (check_format_info): If pedantic and not in C99 mode, warn for C99
8052 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8054 * function.c (schedule_fixup_var_refs): New function, broken out
8055 of put_reg_into_stack.
8056 (put_reg_into_stack): Use it.
8057 (put_var_into_stack): In CONCAT case, fixup up references for
8058 components only after fixing up references to the whole concat.
8060 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
8062 * alias.c (mark_constant_function): Use INSN_P.
8063 (init_alias_analysis): Likewise.
8064 * combine.c (combine_instructions): Use INSN_P.
8065 (can_combine_p): Likewise.
8066 (try_combine): Likewise.
8067 (distribute_notes): Likewise.
8068 (distribute_links): Likewise.
8069 * cse.c (cse_around_loop): Use INSN_P.
8070 (invalidate_skipped_block): Likewise.
8071 (cse_set_around_loop): Likewise.
8072 (cse_end_of_basic_block): Likewise.
8073 (delete_trivially_dead_insns): Likewise.
8074 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
8075 (unshare_all_rtl_1): Likewise.
8076 (next_cc0_user): Likewise.
8077 (try_split make_insn_raw): Likewise.
8078 (remove_unnecessary_notes): Likewise.
8079 * final.c (shorten_branches): Use INSN_P.
8080 (leaf_renumber_regs): Likewise.
8081 (leaf_renumber_regs_insn): Likewise.
8082 * flow.c (find_label_refs): Use INSN_P.
8083 (verify_wide_reg): Likewise.
8084 (notice_stack_pointer_modification): Likewise.
8085 (count_or_remove_death_notes): Likewise.
8086 (verify_flow_info): Likewise.
8087 (clear_log_links): Likewise.
8088 * function.c (fixup_var_refs_insns): Use INSN_P.
8089 (compute_insns_for_mem): Likewise.
8090 * gcse.c (alloc_gcse_mem): Use INSN_P.
8091 (compute_sets): Likewise.
8092 (compute_hash_table): Likewise.
8093 (classic_gcse): Likewise.
8095 (insert_insn_end_bb): Likewise.
8096 (delete_null_pointer_checks_1): Likewise.
8097 * global.c (expand_preferences): Use INSN_P.
8098 (build_insn_chain): Likewise.
8099 * graph.c (node_data): Use INSN_P.
8100 * haifa-sched.c (priority): Use INSN_P.
8101 (rm_line_notes): Likewise.
8102 (rm_other_notes): Likewise.
8103 (find_insn_reg_weight): Likewise.
8104 (init_target_units): Likewise.
8105 (schedule_block): Likewise.
8106 (compute_block_forward_dependences): Likewise.
8107 (debug_dependencies): Likewise.
8108 (set_priorities): Likewise.
8109 * integrate.c (function_cannot_inline_p): Use INSN_P.
8110 (save_parm_insns): Likewise.
8111 (copy_insn_list): Likewise.
8112 * jump.c (mark_all_labels): Use INSN_P.
8113 (never_reached_warning): Likewise.
8114 * lcm.c (optimize_mode_switching): Use INSN_P.
8115 * local-alloc.c (validate_equiv_mem): Use INSN_P.
8116 (memref_used_between_p): Likewise.
8117 (update_equiv_regs): Likewise.
8118 (block_alloc): Likewise.
8119 (no_conflict_p): Likewise.
8120 * loop.c (scan_loop): Use INSN_P.
8121 (find_and_verify_loops): Likewise.
8122 (count_loop_regs_set): Likewise.
8123 (loop_reg_used_before_p): Likewise.
8124 (strength_reduce): Likewise.
8125 (recombine_givs): Likewise.
8126 (check_dbra_loop): Likewise.
8127 (load_mems): Likewise.
8128 (try_copy_prop): Likewise.
8129 * print-rtl.c (print_rtx): Use INSN_P.
8130 * recog.c (find_single_use): Use INSN_P.
8131 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
8132 (next_flags_user): Likewise.
8133 (swap_rtx_condition): Likewise.
8134 * regmove.c (mark_flags_life_zones): Use INSN_P.
8135 (optimize_reg_copy_1): Likewise.
8136 (optimize_reg_copy_2): Likewise.
8137 (optimize_reg_copy_3): Likewise.
8138 (reg_is_remote_constant_p): Likewise.
8139 (fixup_match_2): Likewise.
8140 (regmove_optimize): Likewise.
8141 (fixup_match_1): Likewise.
8142 * regrename.c (build_def_use): Use INSN_P.
8143 (replace_reg_in_block): Likewise.
8144 (consider_use): Likewise.
8145 * reload.c (find_equiv_reg): Use INSN_P.
8146 * reload1.c (reload): Use INSN_P.
8147 (maybe_fix_stack_asms): Likewise.
8148 (calculate_needs_all_insns): Likewise.
8149 (reload_as_needed): Likewise.
8150 (emit_output_reload_insns): Likewise.
8151 (delete_address_reloads_1): Likewise.
8152 (reload_cse_regs_1): Likewise.
8153 (reload_combine): Likewise.
8154 (reload_cse_move2add): Likewise.
8155 * reorg.c (redundant_insn): Use INSN_P.
8156 (dbr_schedule): Likewise.
8157 * resource.c (find_dead_or_set_registers): Use INSN_P.
8158 (mark_target_live_regs): Likewise.
8159 * rtlanal.c (reg_used_between_p): Use INSN_P.
8160 (reg_referenced_between_p): Likewise.
8161 (reg_set_between_p): Likewise.
8162 (reg_set_p): Likewise.
8163 (single_set): Likewise.
8164 (multiple_sets): Likewise.
8165 (find_last_value): Likewise.
8166 (reg_set_last): Likewise.
8167 (find_reg_note): Likewise.
8168 (find_regno_note): Likewise.
8169 * sibcall.c (sequence_uses_addressof): Use INSN_P.
8170 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
8171 * ssa.c (find_evaluations): Use INSN_P.
8172 (rename_block): Likewise.
8173 (rename_equivalent_regs): Likewise.
8174 * unroll.c (loop_find_equiv_value): Use INSN_P.
8175 (set_dominates_use): Likewise.
8176 * varasm.c (mark_constant_pool): Use INSN_P.
8177 (mark_constants): Likewise.
8178 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
8179 (alphaev4_next_group): Likewise.
8180 (alphaev5_next_group): Likewise.
8181 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
8182 (c4x_rptb_rpts_p): Likewise.
8183 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
8184 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
8185 (rs6000_adjust_priority): Likewise.
8186 * config/sh/sh.c (sh_loop_align): Use INSN_P.
8187 (machine_dependent_reorg): Likewise.
8188 (split_branches): Likewise.
8189 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
8191 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
8193 * combine.c (recog_for_combine): Remove the old notes
8194 prior to attempting to recognize the new pattern.
8195 (distribute_notes): Ignore REG_NONNEG notes.
8197 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
8199 * varasm.c (output_constructor): Add .align 0 for packed vars.
8201 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8203 * configure.in: Use default thread_file even when enable_threads is
8204 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
8205 * configure: Rebuilt.
8207 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
8209 2000-08-04 Donn Terry (donnte@microsoft.com)
8211 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
8213 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
8215 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
8216 Delete code that conditionally modifies 'version'.
8217 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
8218 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
8219 * gcc.c (main): Use it.
8220 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
8221 * prefix.c (update_path): Use it.
8222 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
8223 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
8224 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
8226 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
8227 (SUBTARGET_SWITCHES): Adjust.
8228 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
8230 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
8232 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8234 * c-common.h (flag_isoc94): Declare.
8235 * c-decl.c (flag_isoc94): Define.
8236 (c_decode_option): Set flag_isoc94 as appropriate.
8237 * c-common.c (T_PD, T_IM, T_UIM): Define.
8238 (format_char_info): Add tlen and jlen.
8239 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
8241 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
8243 (time_char_table): Add NULL entries for %t and %j.
8244 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
8245 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
8246 Warn for printf %lf if pedantic and not C99. Don't warn for empty
8247 precision. Allow precision argument to be unsigned int. If
8248 pedantic, warn for %p passed an argument not a pointer to possibly
8249 qualified void or a possibly qualified character type, and for
8250 pointer targets of the wrong sign, except for character pointers.
8252 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8254 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
8255 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
8256 (wint_type_node): Define.
8257 * c-decl.c (WINT_TYPE): Define.
8258 (init_decl_processing): Create the wint_type_node type.
8259 * c-common.c (T_WI): Define.
8260 (print_char_table): Use T_WI for %lc format.
8262 2000-08-04 Bruce Korb <bkorb@gnu.org>
8264 * fixinc/: Verified that the MSDOS patch does not break
8265 the UNIX functionality and applied the next three patches
8268 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
8270 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
8271 output file with the temporary one by appending ".X" to generate
8272 the temporary fuile's name. If the output file already has an
8273 extension, replace it with ".X".
8275 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
8276 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
8277 reallocate the command buffer while copying the command-line
8278 argument. Redirect the output directly to the temporary file,
8279 instead of going through another temporary file.
8280 (process): Close the temporary file before unlinking it.
8281 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
8282 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
8283 (run_compiles): Pass p_fixd argument to machine_matches, as it
8286 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
8287 environment, assume there are no symlinks in the include
8288 directory. When cleaning up the DONE files, look for them
8289 case-insensitively. Don't try to remove symlinks if they aren't
8292 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
8293 all callers changed. Declare pz "const char *", to avoid compiler
8296 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
8297 Change prototype of make_raw_shell_str.
8299 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
8301 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
8302 (initialize) [__MSDOS__]: Use tempnam.
8303 (initialize): Don't use SIGPIPE if it is not defined.
8305 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
8308 2000-07-25 Bruce Korb <bkorb@gnu.org>
8310 * fixinc/fix*.[ch]: substantially reworked to make it possible
8311 to run this program without using fork(2) or pipe(2) (i.e. in
8314 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8316 * cppdefault.h (WINT_TYPE): Define.
8317 * cppinit.c (builtin_array): Define __WINT_TYPE__.
8318 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
8319 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
8321 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
8323 * (mips_legitimate_address_p): Don't allow register+offset
8324 if the offset is large and negative, and we are compiling
8325 for 64 bit registers.
8327 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8329 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
8330 insn_code_number + 1.
8332 2000-08-04 Kazu Hirata <kazu@hxi.com>
8334 * h8300.c (function_prologue): Rearrange code for conciseness.
8335 (function_epilogue): Likewise.
8336 * h8300.h (OK_FOR_U): Fix formatting.
8338 * cse.c: Fix a comment typo. Fix formatting.
8340 2000-08-03 Richard Henderson <rth@cygnus.com>
8342 * config/i386/i386.md (return_indirect_internal): New.
8343 * config/i386/i386.c (ix86_expand_epilogue): Use it.
8345 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
8347 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
8349 (lex_line): Glue @ onto the beginning of identifiers and
8350 string constants, in Objective-C mode.
8351 (output_token, spell_token): Handle CPP_OSTRING.
8352 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
8353 beginning of a NAME or a STRING, in objc mode.
8355 * cpplib.c (get_define_node): Do not permit identifiers that
8356 begin with @ to be #defined.
8357 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
8358 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
8360 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
8361 * c-tree.h (build_objc_string): Delete prototype.
8362 * objc/objc-tree.def: Delete OBJC_STRING_CST.
8363 * c-lex.c (yylex): Use build_string for all three kinds of strings.
8365 * c-parse.in, objc/objc-act.c: Update commentary.
8367 2000-08-03 Mark Mitchell <mark@codesourcery.com>
8369 * extend.texi: Fix typo in last change.
8371 * extend.texi: Add commentary on statement-expressions and their
8372 interactions with C++.
8374 2000-08-03 Nick Clifton <nickc@cygnus.com>
8376 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
8377 * dwarf.h (LANG_JAVA): Change value to 0x000b.
8379 2000-08-03 Anthony Green <green@cygnus.com>
8381 * dwarf2out.c (gen_compile_unit_die): Add java language support.
8382 (add_bound_info): Check for java language.
8383 (is_java): New function.
8384 * dwarfout.c (output_compile_unit_die): Ditto.
8385 * dwarf.h (dwarf_source_language): Add java source language type.
8386 * dwarf2.h (dwarf_source_language): Ditto.
8388 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8390 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
8393 * i386.c (ix86_expand_branch): Mode of comparison in
8394 IF_THEN_ELSE is VOIDmode.
8396 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
8398 * gengenrtl.c, rtl.c: Avoid #elif.
8400 2000-08-03 Michael Poole <poole@troilus.org>
8402 * tm.texi (Register Classes): Clarify order of sub-initializers
8403 in REG_CLASS_CONTENTS.
8405 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8407 From SAITOH Masanobu:
8408 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
8410 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
8412 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
8413 is not supported by tradcpp and isn't actually needed for cygwin.
8415 2000-08-03 Kazu Hirata <kazu@hxi.com>
8417 * h8300.c: Fix a comment typo.
8418 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
8420 * jump.c: Fix formatting.
8422 * toplev.c: Fix formatting.
8424 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
8426 * flow.c (find_auto_inc): Verify that we've got a REG before
8427 peeking at its regno. Fail, don't abort if we can't find
8428 the increment of the desired register.
8430 * pa.md (shadd height reduction patterns/splitters): Remove.
8432 2000-08-02 Jim Wilson <wilson@cygnus.com>
8434 * config/ia64/ia64-protos.h (flag_ssa): Declare.
8435 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
8437 2000-08-02 Mark Mitchell <mark@codesourcery.com>
8439 * dce.c: Remove all uses of assert.
8440 * dwarf2out.c: Likewise.
8441 * dwarfout.c: Likewise.
8444 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8446 * gcc.h (lang_specific_driver): Constify second argument.
8447 * gcc.c (translate_options, process_command, main): Likewise.
8448 Constify variables to match. Cast second argument to
8451 * cppspec.c, gccspec.c: Adjust type of second argument to
8452 lang_specific_driver, and update code as necessary.
8454 2000-08-02 Jakub Jelinek <jakub@redhat.com>
8456 * loop.c (scan_loop): Ensure update_end label does not
8457 go away until reg_scan_update is run.
8459 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8461 * c-common.h: Prototype min_precision and c_build_qualified_type here...
8462 * c-tree.h: ... not here.
8463 * errors.h: Prototype fancy_abort.
8465 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
8466 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8467 * regrename.c (regrename_optimize): Make control flow explicit.
8468 (replace_reg_in_block): Initialize reg_use to 0.
8470 * i386.c (legitimate_address_p): Rename error label to
8471 report_error to avoid namespace clash.
8473 2000-08-02 Kazu Hirata <kazu@hxi.com>
8475 * fold-const.c: Fix formatting.
8477 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8479 * i386.c (legitimate_address_p): Accept other bases than
8480 pic_offset_table_rtx for GOTOFF constructs.
8482 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8484 * i386.md (shift to lea splitter): Use const_int_operand.
8486 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8488 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8489 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8492 * cppmain.c (cb_define, cb_undef): Don't generate any output
8493 if not done_initializing.
8494 * cpplex.c (maybe_paste_with_next): When the token after a ##
8495 is an omitted rest argument, only delete the token before it
8496 if that token is a comma. Do not warn about bogus token
8497 pastes for , ## rest_arg.
8500 * cpp.1: Regenerate.
8502 2000-08-02 Fred Fish <fnf@be.com>
8504 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8505 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8508 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8509 Be directories to search path.
8511 Remove support for __declspec(dllimport) and __declspec(dllexport).
8512 This is leftover cruft from the earlier BeOS gcc port when BeOS
8513 used Microsoft's PE object file format.
8514 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8515 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8516 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8517 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8518 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8519 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8520 (REDO_SECTION_INFO_P): Remove.
8521 (ASM_EXPORT_DECL): Remove.
8522 (ASM_DECLARE_FUNCTION_NAME): Remove.
8523 (ASM_DECLARE_OBJECT_NAME): Remove.
8524 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8525 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8526 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8527 (STRIP_NAME_ENCODING): Remove.
8529 Remove support for obsolete version of BeOS that is no longer
8531 * configure.in (i*86-*-beospe*): Remove.
8532 * config/i386/beos-pe.h: Remove.
8534 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8535 Mark Mitchell <mark@codesourcery.com>
8537 * Makefile.in (OBJS): Added dce.o.
8538 (ssa.o): Updated target to include ssa.h.
8540 (toplev.o): Likewise.
8541 (dce.o): Created target.
8542 * basic-block.h: Added comments.
8543 (INVALID_BLOCK): Added definition.
8544 (connect_infinite_loops_to_exit): Added declaration.
8545 Moved SSA declarations to ssa.h.
8546 * flow.c: Added inclusion of ssa.h.
8547 (struct depth_first_search_dsS, depth_first_search_ds):
8549 (compute_immediate_postdominators): Added definition.
8550 (connect_infinite_loops_to_exit): Likewise.
8551 (flow_dfs_compute_reverse_init): Likewise.
8552 (flow_dfs_compute_reverse_add_bb): Likewise.
8553 (flow_dfs_compute_reverse_execute): Likewise.
8554 (flow_dfs_compute_reverse_finish): Likewise.
8555 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8556 (LABEL_P): Added definition.
8559 (BARRIER_P): Likewise.
8560 (JUMP_TABLE_DATA_P): Likewise.
8561 (INSN_DEAD_CODE_P): Likewise.
8562 * ssa.c: Replaced inclusions with ssa.h inclusion.
8563 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8564 (rename_registers): Removed unnecessary variables.
8565 * ssa.h: Created by moving declarations from ssa.c and
8567 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8568 * toplev.c: Added ssa.h inclusion.
8569 (dump_file_index): Added DFI_dce.
8570 (dump_file): Added "dce" entry.
8572 (f_options): Added dce entry.
8573 * invoke.texi: Document -fdce. Emphasize experimental status of
8577 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8579 * cpperror.c (v_message): Split into _cpp_begin_message and
8580 v_message macro. All callers updated.
8581 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8584 * cppfiles.c (cpp_syshdr_flags): New function.
8585 (read_include_file): Don't call cpp_output_tokens. Call
8587 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8588 (cpp_reader_init): Don't initialize token_buffer. Call
8589 _cpp_init_internal_pragmas.
8590 (cpp_cleanup): Don't clear token_buffer.
8591 (cpp_start_read): Don't worry about output from -D processing.
8592 Don't call cpp_output_tokens.
8593 (cpp_finish): Don't dump macros here. Don't call
8595 * cppmacro.c (_cpp_dump_definition): Rename
8596 cpp_dump_definition. Write directly to a FILE *.
8597 (dump_funlike_macro): Delete.
8598 (dump_macro_args): New.
8600 * cpplex.c (TOKEN_LEN): Convert to inline function.
8601 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8602 cpp_scan_line, _cpp_dump_list): Delete.
8603 (cpp_printf, cpp_output_list): New.
8604 (output_line_command): Don't worry about entering or leaving files.
8605 (cpp_scan_buffer): Just output each token as we hit it.
8606 (process_directive): Don't call cpp_output_tokens.
8607 (_cpp_glue_header_name): Don't use token_buffer.
8608 (output_token, dump_param_spelling): Write directly to a FILE *.
8610 * cpplib.c (pass_thru_directive, dump_macro_name,
8611 pragma_dispatch, do_pragma_gcc): Delete.
8612 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8613 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8615 (do_error, do_warning, pragma_dependency): Call
8616 _cpp_begin_message, then cpp_output_list.
8617 (cpp_register_pragma, cpp_register_pragma_space,
8618 _cpp_init_internal_pragmas): New.
8619 (do_pragma): Walk the pragmas table here.
8620 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8621 do_pragma_dependency): Return void.
8622 (do_pragma_implementation): Moved to cppmain.c.
8624 * cpplib.h: Update prototypes.
8625 (struct cpp_reader): Remove printer, token_buffer,
8626 token_buffer_size, and limit. Add struct cb, and pragmas.
8627 (struct cpp_printer): Remove last_id and written.
8628 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8629 CPP_ADJUST_WRITTEN): Delete.
8630 * cpphash.h: Update prototypes.
8631 (ufputs): New wrapper.
8633 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8634 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8635 (main): Set up callbacks. Register #pragma implementation.
8636 Dump macros from here.
8638 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8640 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8641 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8642 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8643 insns if they have a REG_MAYBE_DEAD note attached.
8644 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8645 (rs6000_emit_load_toc_table): TOC loads may go dead.
8647 2000-08-01 Jim Wilson <wilson@cygnus.com>
8649 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8650 type exists before using it. Use number of words as alignment
8652 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8653 ia64_va_arg): Propagate ia64_function_args changes here.
8655 2000-08-01 Richard Henderson <rth@cygnus.com>
8657 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8658 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8660 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8662 From Joern Rennecke:
8663 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8664 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8665 unless TARGET_SH3E is set.
8666 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8668 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8669 (ashlsi3_std): New pattern.
8670 (ashlsi3 expander): Use it for TARGET_SH3.
8671 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8673 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8675 * loop.c (canonicalize_condition): Use destination, not source to
8676 determine SET's mode.
8678 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8680 * flow.c (clear_log_links): Fix typo.
8682 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8684 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8685 on targets which need more than one insn for a compare/cbranch
8688 2000-07-31 Jim Wilson <wilson@cygnus.com>
8690 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8691 when computing offset.
8693 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8695 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8697 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8699 * flow.c (clear_log_links): Nuke global_live_at_start and
8700 global_live_at_end data, since if the log_links stuff is invalid
8701 so is global_live_at_*.
8703 2000-07-31 Richard Henderson <rth@cygnus.com>
8705 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8707 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8709 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8710 (_cpp_get_token): Don't macro expand a just pasted token if it
8711 was pasted at no_expand_level.
8713 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8715 * cppmacro.c (find_param, count_params, save_expansion):
8716 Permit 'defined' as a macro parameter name.
8718 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8720 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8721 xcpp to cpp throughout.
8722 (native): Remove unnecessary dependency on cpp.
8724 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8725 tradcpp to tradcpp0.
8726 (.i spec): Add missing output-file spec to cc1 command line.
8727 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8729 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8731 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8732 (implicit_decl_warning): New function.
8733 (implicitly_declare): Use it.
8734 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8735 to complain about implicit decls of builtins.
8737 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8738 based on pedantic && flag_isoc99, if not already set.
8739 * c-tree.h: Declare mesg_implicit_function_declaration.
8740 Prototype implicit_decl_warning.
8742 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8744 * Makefile.in (ssa.o): Updated header files in dependences.
8745 * basic-block.h: Added compute_immediate_postdominators declaration.
8746 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8748 * flow.c (compute_immediate_dominators): Updated comment.
8749 (compute_immediate_postdominators): Added definition.
8750 * rtl.h (HARD_REGISTER_P): Added definition.
8751 * ssa.c: Include additional header files.
8752 (assert): Added definition.
8753 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8754 include select hard registers.
8755 (ssa_rename_to_insert): Likewise.
8756 (ssa_rename_from_initialize): Likewise.
8757 (ssa_rename_from_lookup): Likewise.
8758 (original_register): Likewise.
8759 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8760 include select hard reigsters.
8761 (ssa_rename_from_traverse): Likewise.
8762 (ssa_rename_from_free): Likewise.
8763 (ssa_rename_from_print): Likewise.
8764 (ssa_rename_from_print_1): Likewise.
8765 (ssa_rename_from_hash_function): Likewise.
8766 (ssa_rename_from_equal): Likewise.
8767 (ssa_rename_from_delete): Likewise.
8768 (simplify_to_immediate_dominators): Removed in favor of
8769 flow.c:compute_immediate_dominators.
8770 (find_evaluations_1): Modified to work with hard registers.
8771 (insert_phi_node): Likewise.
8772 (insert_phi_nodes): Likewise.
8773 (struct rename_set_data): Updated prev_reg comment.
8774 (create_delayed_rename): Modified to work with hard registers.
8775 (RENAME_NO_RTX): Updated comment.
8776 (apply_delayed_renames): Modified to work with hard registers.
8777 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8778 (rename_block): Updated to use revised ssa_rename_to interface.
8779 (rename_registers): Updated to use revised ssa_rename_to and
8780 ssa_rename_from interface.
8781 (convert_to_ssa): Revised to use compute_immediate_dominators and
8782 deal with hard registers.
8783 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8784 registers. Added check for illegal unification of hard register.
8785 (make_equivalent_phi_alternatives_equivalent): Modified to work
8786 with hard registers.
8787 (compute_conservative_reg_partition): Likewise.
8788 (coalesce_if_unconflicting): Modified to work with hard registers
8789 and check for conflicting hard registers.
8790 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8792 (rename_equivalent_regs_in_insn): Modified to work with hard
8794 (record_canonical_element_1): Added definition.
8795 (check_hard_regs_in_partition): Added definition.
8796 (convert_from_ssa): Added data structure deallocation and check
8797 for illegal hard register unification.
8798 (conflict_hard_regs_p): Added definition.
8799 * toplev.c (rest_of_compilation): Added comment.
8801 2000-07-31 Anthony Green <green@redhat.com>
8803 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8805 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8807 * builtins.c (expand_builtin_apply): Don't defer pop during
8810 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8812 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8813 preferred_unit_stack_boundary when it is > 1.
8815 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8817 * c-common.c (init_function_format_info): Add C99 format functions
8820 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8821 void' or 'register void' as being the special case of 'void' alone
8822 in a parameter list.
8824 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8825 discarding qualifiers into a plain warning.
8827 2000-07-31 Kazu Hirata <kazu@hxi.com>
8829 * combine.c: Fix formatting.
8831 * h8300.md: Fix formatting.
8833 * local-alloc.c: Fix formatting.
8835 * h8300.c (get_shift_alg): Remove the variable alg.
8836 (emit_a_shift): Rearrange code to improve readability.
8838 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8840 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8841 HImode on all architectures and a combination of HImode and SImode
8842 on H8/300H and H8/S.
8844 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8846 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8848 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8851 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8853 * recog.c (extract_insn): Set operand_mode according to
8854 operand if match_operand is VOIDmode.
8856 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8858 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8860 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8862 * c-parse.in (extdefs): Call ggc_collect between external
8865 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8866 Richard Henderson <rth@cygnus.com>
8868 * Makefile.in (OBJS): Add doloop.o.
8869 * doloop.c: New file.
8871 * final.c (insn_current_reference_address): Return 0 before final.
8872 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8873 * jump.c (any_uncondjump_p): Likewise.
8874 * loop.c (indirect_jump_in_function): Make static.
8875 (strength_reduce): Call doloop_optimize.
8876 (insert_bct, instrument_loop_bct): Remove.
8877 * loop.h (doloop_optimize): Prototype.
8878 * recog.c (split_all_insns): Split all INSN_P.
8879 * toplev.c (flag_branch_on_count_reg): Default on.
8881 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8882 flag_branch_on_count_reg.
8883 * config/i386/i386.c (override_options): Likewise.
8884 * config/rs6000/rs6000.c (optimization_options): Likewise.
8886 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8888 (dbra_ge): Remove, as well as all it's splitters.
8890 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8893 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8894 (ia64_register_move_cost): Declare.
8895 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8896 (struct ia64_frame_info): Add ar_size.
8897 (ia64_compute_frame_size): Set it.
8898 (save_restore_insns): Save and restore ar.lc.
8899 (ia64_register_move_cost): New, moved from header file. Handle
8900 application registers.
8901 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8902 (emit_insn_group_barriers): Special case doloop_end_internal.
8903 (ia64_epilogue_uses): Mark ar.lc live at end.
8904 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8905 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8906 (FIRST_PSEUDO_REGISTER): Make room.
8907 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8908 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8909 (REG_ALLOC_ORDER): Update.
8910 (HARD_REGNO_MODE_OK): Update.
8911 (REGISTER_NAMES): Update.
8912 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8913 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8914 (REGNO_REG_CLASS): Update.
8915 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8916 (REGISTER_MOVE_COST): Move out of line.
8917 (PREDICATE_CODES): Update.
8918 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8919 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8920 (shladd_elim splitter): Allow constants in the predicate.
8921 (doloop_end, doloop_end_internal): New.
8923 2000-07-30 Richard Henderson <rth@cygnus.com>
8925 * genattrtab.c (struct insn_def): Add lineno member.
8926 (struct insn_ent): Likewise.
8927 (struct attr_desc): Likewise.
8928 (struct delay_desc): Likewise.
8929 (struct function_unit_op): Likewise.
8930 (struct function_unit): Likewise.
8931 (check_attr_value): Use message_with_line.
8932 (check_defs): Likewise.
8933 (expand_units): Likewise.
8934 (check_attr_test): Take a lineno argument.
8935 (gen_attr): Likewise.
8936 (gen_insn): Likewise.
8937 (gen_delay): Likewise.
8938 (gen_unit): Likewise.
8939 (main): Give it to them.
8940 (convert_set_attr_alternative): Take an insn_def argument
8941 instead of num_alt and insn_index.
8942 (convert_set_attr): Likewise.
8943 (write_test_expr): Protect INSN_ADDRESSES load
8944 with INSN_ADDRESSES_SET_P.
8946 2000-07-30 Richard Henderson <rth@cygnus.com>
8948 * flow.c (init_propagate_block_info): Use pc_set.
8950 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8952 * i386.md (*lea_general_[123]) New insns and splits.
8953 (addsi3 to lea splitter): Handle other modes too.
8954 (shlsi3 to lea splitter): Likewise.
8955 (addhi_1_lea, shlhi_1_lea): New patterns.
8956 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8958 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8960 * recog.c (general_operand, nonimmediate_operand): Accept
8961 any mode for VOIDmode CONSTANT_P operands.
8963 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8965 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8966 instead of replace_rtx.
8967 * recog.c (validate_replace_rtx_subexp): New function.
8968 * recog.h (validate_replace_rtx_subexp): Declare.
8970 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8972 * combine.c (simplify_set, make_extraction, make_compound_operation
8973 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8974 as force_to_mode argument.
8976 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8978 * combine.c (if_then_else_cond): Be sure that mode fits in
8981 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8983 * combine.c (record_promoted_value): Allow bitsize of mode
8984 to be equivalent to HOST_BITS_PER_WISE_INT.
8986 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8988 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8989 Do not call gen_mode_alignment when mode is BLKmode.
8991 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8993 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8995 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8997 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8998 VOIDmode implies both operands to be VOIDmode.
8999 (simplify_ternary_operation): Compute properly the mode of comparison.
9000 * combine.c (combine_simplify_rtx): Likewise.
9002 2000-07-25 Michael Hayes <mph@paradise.net.nz>
9004 * basic-block.h (struct loops): New field rc_order.
9005 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
9006 (flow_loops_free): Free rc_order.
9007 (flow_depth_first_order_compute): New parameter rc_order.
9008 (flow_loops_find): Allocate rc_order and swap usage with
9011 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9012 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9014 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
9015 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
9016 (nodb_call, return_from_epilogue): Likewise.
9017 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
9018 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
9019 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
9020 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9021 (c4x_valid_type_attribute_p): Likewise.
9022 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
9023 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
9025 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9027 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
9028 and loadhi_big_constant if applicable.
9029 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
9030 and add new splitter.s
9032 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9034 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
9036 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9038 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
9040 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9042 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
9044 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9046 * config/c4x/libgcc.S (divqf3): Improve accuracy.
9048 2000-07-27 Mark Mitchell <mark@codesourcery.com>
9050 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
9051 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
9052 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
9053 (get_prev_bb_note): Likewise.
9054 (remove_scope_notes): Likewise.
9055 * flow.c (commit_one_edge_insertion): Likewise.
9056 (merge_blocks_nomove): Likewise.
9057 (verify_flow_info): Likewise.
9058 * gcse.c (insert_insn_end_bb): Likewise.
9059 * reg-stack.c (emit_swap_insn): Likewise.
9060 * ssa.c (first_insn_after_basic_block_note): New function.
9061 (insert_phi_node): Use it.
9062 (rename_block): Likewise.
9063 (eliminate_phi): Likewise.
9064 (make_regs_equivalent_over_bad_edges): Likewise.
9065 (make_equivalent_phi_alternatives_equivalent): Likewise.
9066 (for_each_successor_phi): Likewise.
9067 (convert_from_ssa): Modify phi-node deletion algorithm.
9069 2000-07-29 Andreas Jaeger <aj@suse.de>
9071 * configure.in (mips*-*-linux*): Use mips*el to check for little
9072 endian MIPS, add tmake_file.
9074 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
9075 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
9076 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
9078 2000-07-28 Richard Henderson <rth@cygnus.com>
9080 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
9081 Sign extend mode size before negating.
9083 2000-07-28 Richard Henderson <rth@cygnus.com>
9085 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
9087 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
9089 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
9090 (cse_insn): Likewise.
9091 (addr_affects_sp_p): Likewise.
9092 * expr.c (move_by_pieces): Likewise.
9093 (clear_by_pieces): Likewise.
9094 * gcse.c (oprs_unchanged_p): Likewise.
9095 * haifa-sched.c (sched_analyze_2): Likewise.
9096 * recog.c (offsettable_address_p): Likewise.
9097 * regclass.c (record_address_regs): Likewise.
9098 * reload.c (find_reusable_reload): Likewise.
9099 (push_reload): Likewise.
9100 (operands_match_p): Likewise.
9101 (decompose): Likewise.
9102 (find_reloads_address_1): Likewise.
9103 (find_inc_amount): Likewise.
9104 * reload1.c (elimination_effects): Likewise.
9105 * resource.c (mark_set_resources): Likewise.
9106 * flow.c (attempt_auto_inc): New function; mostly broken out
9108 (find_auto_inc): Split into two functions and enhanced to
9109 generate POST_MODIFY.
9110 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
9111 * rtl.h (count_all_occurrences): Declare.
9112 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
9114 * rtlanal.c (count_all_occurrences): New function.
9115 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
9116 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
9118 * config/ia64/ia64-protos.h (destination_operand): Declare.
9119 * config/ia64/ia64.c (destination_operand): New function.
9120 (ia64_print_operand): Handle POST_MODIFY.
9121 (rtx_needs_barrier): Likewise.
9122 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
9123 (HAVE_POST_MODIFY_REG): Define to 1.
9124 (MAX_REGS_PER_ADDRESS): Change to 2.
9125 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
9126 (LEGITIMATE_ADDRESS_REG): New helper macro.
9127 (LEGITIMATE_ADDRESS_DISP): Likewise.
9128 (PREDICATE_CODES): Add entry for destination_operand.
9129 * config/ia64/ia64.md (all mov patterns): Use destination_operand
9130 predicate for operand 0.
9132 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9134 * dwarf2out.c: Indent #error directive.
9136 * gbl-ctors.h: Fix typo in comment.
9137 (__do_global_ctors): Prototype.
9139 * gcse.c (record_one_set, pre_delete): Remove unused variables.
9141 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
9142 (print_operand): Initialize variable `t'.
9144 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
9146 * config/arm/arm.md ("call_value"): removed constraints.
9147 Constraints are ignored in expanders.
9148 (*call_value_reg): split =rf into various constraints.
9149 (*call_value_mem): same
9150 (*call_value_symbol): same
9151 (*sibcall_value_insn): same
9153 2000-07-28 Philipp Thomas <pthomas@suse.de>
9155 * install.texi (--enable-nls): Change the description of the NLS
9156 related configure options to match the current state.
9157 (--with-included-gettext): Likewise.
9158 (--enable-maintainer-mode): New description added.
9159 * extend.texi (-fstrict-prototype): Add missing '.'.
9161 2000-07-27 Jim Wilson <wilson@cygnus.com>
9163 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
9164 DECL_INITIAL (decl) == NULL_TREE.
9166 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
9168 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
9169 on insn-attr.h with it.
9170 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
9171 * insn-addr.h: New header.
9172 (insn_addresses_): Renamed from insn_addresses.
9173 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
9174 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
9175 INSN_ADDRESSES_NEW): New macros.
9176 * genattrtab.c (write_test_expr): Use new macros.
9177 * final.c (insn_addresses, init_insn_lengths): Likewise.
9178 (align_fuzz, shorten_branches): Likewise.
9179 (final): Likewise. Do not reject new insns if their addresses
9180 have been added to INSN_ADDRESSES.
9181 * config/arm/arm.c, config/avr/avr.c: Use new macros.
9182 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
9183 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
9184 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
9185 * config/sh/sh.c: Likewise.
9186 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
9188 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
9190 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
9192 * gcc.c (struct prefix_list): Add member priority.
9193 (enum path_prefix_priority): Declare.
9194 (add_prefix): Replace ``first'' with ``priority''. Append new
9195 entry but keep list in priority order.
9196 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
9197 PREFIX_PRIORITY_LAST to add_prefix.
9198 (process_command): Move include kludge - foo/stageN - to before
9201 2000-07-27 Jason Merrill <jason@redhat.com>
9203 * dwarf2out.c (gen_typedef_die): Abort if we get identical
9204 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
9206 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
9208 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
9209 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
9211 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
9213 * c-decl.c (finish_function): Don't treat 'main' specially unless
9214 flag_hosted. In C99 mode, return 0 from 'main' unless
9215 DEFAULT_MAIN_RETURN is otherwise defined.
9217 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
9218 parameters defaulting to int in an old-style function definition.
9220 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * c-parse.in (string): For -Wtraditional, warn about string
9223 concatenation only once per line.
9225 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
9227 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
9228 for HI-UX/WE2 systems.
9230 2000-07-24 Bruce Korb <bkorb@gnu.org>
9232 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
9233 defining the __xxx_TYPE__ macros.
9234 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
9235 * fixincl/fixlib.h: don't need to include "tm.h" anymore
9236 * fixincl/inclhack.def(type_map): now obsolete
9238 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
9240 * cpp.texi: Append a trailing full-stop to xrefs where needed.
9242 2000-07-26 Dave Pitts <dpitts@cozx.com>
9244 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
9246 (mvs_hash_alias): New function.
9247 (mvs_add_alias): Change argument spacing.
9248 (mvs_need_alias): Change aliasing criteria. Added documentation.
9249 (mvs_get_alias): Change to use hashed name. The hashed name prevents
9250 CSECT name collisions.
9251 (mvs_check_alias): Likewise.
9252 (handle_pragma): Change documentation.
9253 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
9254 mode from SImode to DImode.
9255 (iorhi3): Changed LTORG size for insn.
9257 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
9259 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
9260 mem if the address is a mode_dependent_address_p.
9262 2000-07-26 Kazu Hirata <kazu@hxi.com>
9264 * h8300.c (print_operand): Print ":8" when the 'R' operand is
9265 suitable for 8-bit absolute.
9266 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
9267 (OK_FOR_U): Add a case for the 8-bit constant address on the
9270 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
9272 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
9273 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
9274 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
9275 lack of implemented alignment.
9277 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
9279 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
9280 cross-compiling between 64-bit and 32-bit machines.
9282 2000-07-27 Richard Henderson <rth@cygnus.com>
9284 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
9285 (movhicc_astep, movhi_internal_astep): New.
9286 (movsicc_astep, movsi_internal_astep): New.
9287 (movdicc_astep, movdi_internal_astep): New.
9288 (movsfcc_astep, movsf_internal_astep): New.
9289 (movdfcc_astep, movdf_internal_astep): New.
9290 (movxfcc_astep, movxf_internal_astep): New.
9291 (cmovdi_internal_astep, cmovsi_internal_astep): New.
9292 Unify the cmov[ds]i splitters.
9294 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
9296 * real.c (asctoeg): Rename `error' label to unexpected_char_error
9298 2000-07-26 Nick Clifton <nickc@cygnus.com>
9300 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
9301 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
9303 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
9304 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9306 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
9308 * c-decl.c (finish_enum): Convert enumerations that fit in an
9310 (build_enumerator): In pedantic mode, cast to `int' those that
9313 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
9315 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
9317 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9319 * sh.md (cmpgtdi_t): Must be split.
9320 (cmpgtdi_t+1): New splitter.
9322 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9324 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
9325 warnings for indented directives even if we are skipping.
9327 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
9329 * invoke.texi (strict-prototypes): Remove.
9330 * extend.texi (Deprecated Features): Add strict-prototypes.
9331 (Backwards Compatibility): New node.
9333 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9335 * config/i386/i386.md (andsi_1+1): Allow HImode.
9336 (andsi_1+2): Require q_regs_operand.
9338 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9340 * config/i386/i386.md (call_pop): Check operands[0],
9341 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9343 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9344 (call_value): Likewise.
9346 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9348 * toplev.c (pipe_closed): Delete.
9349 (crash_signal): New. Generate ICE for a fatal signal.
9350 (float_signal): Call crash_signal outside a float-handler
9352 (main): Install crash_signal as handler for core-dumping signals.
9354 2000-07-25 David Edelsohn <edelsohn@gnu.org>
9356 * rs6000.c (print_operand, case 'T'): New case.
9358 * rs6000.md (call_indirect_aix32): Convert to expander of
9359 scheduled instructions.
9360 (call_indirect_aix64): Likewise.
9361 (call_value_indirect_aix{32,64}): Likewise.
9362 (call, call_value): Invoke expanders for AIX. Fall through to
9364 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
9365 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
9366 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
9367 only "g" constraint.
9368 (call_nonlocal_aix64): Likewise.
9369 (call_value_nonlocal_aix{32,64}): Likewise.
9370 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
9372 (call_value_nonlocal_sysv): New pattern.
9373 (indirect_jump{si,di}): Use new 'T' modifier.
9374 (tablejump{si,di} matchers): Likewise.
9375 (return_internal_{si,di}): Likewise.
9376 (return_eh_{si,di}): Likewise.
9378 2000-07-24 Richard Henderson <rth@cygnus.com>
9380 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
9381 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
9382 * config/ia64/ia64.md (movdi_internal): Use it.
9384 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
9386 * cppexp.c: Warn about unary + if -Wtraditional.
9387 * cpplex.c (lex_line): Always set BOL on the first token of a line.
9389 2000-07-24 Michael Meissner <meissner@redhat.com>
9391 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
9394 2000-07-24 Nick Clifton <nickc@cygnus.com>
9396 * config/arm/arm.c (emit_multi_reg_push): Generate a
9397 REG_FRAME_RELEATED_NOTE that is compatable with the code in
9398 dwarf2out_debug_frame_expr.
9400 2000-07-24 Jason Merrill <jason@redhat.com>
9402 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
9403 UNALIGNED_INT_ASM_OP.
9404 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
9405 a location expression.
9406 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
9407 assume indirect access if we're saving the CFA address exactly.
9409 * Makefile.in (bootstrap): Move -BstageN/ to the end.
9411 2000-07-24 Jakub Jelinek <jakub@redhat.com>
9413 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
9416 2000-07-24 Michael Meissner <meissner@redhat.com>
9418 * invoke.texi (D30V Options): Add d30v options.
9420 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
9422 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
9423 needed by our gcse pass anymore.
9424 (free_pre_mem): Corresponding changes.
9425 (compute_pre_data): Do not call compute_transpout anymore.
9427 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
9428 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
9431 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
9432 (compute_pre_data): Do it here instead.
9434 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
9436 (pre_delete): Corresponding changes.
9438 2000-07-23 Mark Mitchell <mark@codesourcery.com>
9440 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
9441 to figure out whether or not a variable has already been emitted.
9443 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
9445 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
9446 instead of gen_call.
9448 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
9450 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
9452 2000-07-23 Kazu Hirata <kazu@hxi.com>
9454 * h8300.c: Fix formatting.
9456 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
9458 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
9459 for `long' switch expression into a plain warning.
9461 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
9462 (yylex): Don't pedwarn for "inline" in C99 mode.
9464 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
9466 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9467 ggc_alloc): Likewise.
9468 * bb-reorder.c (dump_scope_forest_1): Likewise.
9470 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9472 * reload.c (find_reloads_toplev): Add new parameter
9474 (find_reloads): Add new parameter to find_reloads_toplev calls.
9476 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9478 * collect2.c (main): Typo fixed.
9479 * diagnostic.c: Typo fixed.
9480 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9481 * eh-common.h: Typo fixed.
9482 * emit-rtl.c (start_sequence): Typo fixed.
9483 * flow.c (find_label_refs): Typo fixed.
9484 (calculate_global_regs_live): Typo fixed.
9485 (mark_regno_cond_dead): Typo fixed.
9486 (create_edge_list): Typos fixed.
9487 (verify_edge_list): Typo fixed.
9488 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9489 * loop.c (strength_reduce): Typo in function name fixed.
9490 * rtl.h: Added comments. Typo in function name fixed.
9491 * rtlanal.c: Typo in function name fixed.
9492 (insn_dependant_p): Rename to ...
9493 (insn_dependent_p): ... this.
9494 (computed_jumo_p): Typo fixed.
9496 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9498 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9500 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9502 * rs6000.h (SIZE_TYPE): Define.
9504 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9506 * ssa.c (rename_insn_1): Don't rename registers that are
9509 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9511 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9513 (fatal_function, set_fatal_function): Removed.
9514 (fatal): Don't prepare for or call the fatal_function.
9515 (diagnostic_lock, error_recursion): New.
9516 (diagnostic_for_decl, report_diagnostic): Guard against
9517 re-entering the error reporting routines.
9518 (fancy_abort): Assume function is not NULL.
9520 * errors.c (fancy_abort): New. Assume function is not NULL.
9521 * tradcpp.c (fancy_abort): Assume function is not NULL.
9523 * system.h: Provide default definition of __FUNCTION__.
9524 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9525 Always use __FUNCTION__ in definition of abort.
9527 * varray.h: Likewise.
9528 * toplev.h: Likewise. Don't prototype set_fatal_function.
9530 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9532 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9534 * glimits.h: Don't do #if defined for ARCH_PPC.
9536 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9537 constants of size no larger than a pointer should go in the TOC.
9538 Add 'MODE' parameter.
9539 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9540 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9541 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9542 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9543 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9544 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9545 (rs6000_legitimize_address): Likewise.
9546 (rs6000_emit_move): Likewise.
9547 (rs6000_select_rtx_section): Likewise.
9548 (output_toc): Deal properly with outputting small constants like
9549 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9550 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9551 MODE parameter. Put small constants in the TOC.
9553 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9555 (rs6000_emit_move): When reload calls us with an illegitimate
9556 address, exit early. Move the change_address calls to one place
9557 at the end of the routine. Merge the SImode and DImode expanders.
9558 When called by reload to put an integer into a FP register, force
9561 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9563 (rs6000_hash_constant): Hash mode too.
9564 (toc_hash_function): Allow for key_mode.
9565 (toc_hash_eq): Structures are different if key_mode differs.
9566 (output_toc): Add 'mode' parameter. Save key_mode.
9567 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9568 Pass 'mode' parameter.
9569 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9571 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9572 for vtable references.
9574 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9575 choice, don't put integer values in FP regs.
9577 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9579 * flow.c (verify_flow_info): Revamp code to verify that the
9580 head and end of each basic block are in the insn chain.
9582 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9584 * gcse.c (record_one_set): Prepend instead of append onto
9585 reg_set_table, making it O(n) instead O(n^2).
9586 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9587 Use a queue instead of a stack as worklist.
9589 2000-07-20 Kazu Hirata <kazu@hxi.com>
9591 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9592 * h8300.h (OK_FOR_T): New.
9593 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9594 * h8300.md: Use inc/dec.[wl] for increment/decrement
9595 by 1 and 2 in HI and SI modes.
9597 2000-07-20 Jim Wilson <wilson@cygnus.com>
9599 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9600 larger than 14 bits.
9602 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9604 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9605 (count_params): Don't set GNU_REST_ARGS on anything.
9606 (save_expansion): Set PASTE_LEFT only on tokens for which
9607 CAN_PASTE_AFTER is true, or which are named operators.
9609 * cpplex.c (parse_args): Distinguish between a rest argument
9610 given one empty argument, and a rest argument given zero arguments.
9611 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9612 deletion of previous token based on that.
9613 (get_raw_token): Flatten some control structure.
9615 * cpplib.h (CPP_LAST_EQ): Correct.
9616 (VOID_REST): New token flag.
9617 (GNU_REST_ARGS): Delete.
9619 * tradcpp.c (main): Don't munge -D options.
9620 (make_definition): Bring -D handling in line with cpplib.
9621 (do_define): Strip all leading whitespace from macro definitions.
9623 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9625 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9627 2000-07-20 Bruce Korb <bkorb@gnu.org>
9629 * fixincl/check.tpl: strip the platform specific types before testing
9630 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9631 * fixincl/fixincl.tpl: use platform specific types
9632 * fixincl/fixlib.h: include the platform specific types
9633 * fixincl/inclhack.def(gnu_types): don't supply the types
9634 * fixincl/fixincl.x: regen
9636 2000-07-19 Jim Wilson <wilson@cygnus.com>
9638 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9641 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9643 * tradcpp.c (rescan): Do not recognize directives when the #
9646 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9648 Implement C++ named operators.
9650 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9651 of operators allowed in #if and having an _EQ variant. Add
9652 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9653 (cpp_token flags): Add NAMED_OP.
9654 (enum node_type): Add T_OPERATOR.
9655 (struct cpp_hashnode): Add code slot to value union.
9656 * cpphash.h (spec_nodes): Remove n_defined.
9658 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9659 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9660 (is_macro_disabled): Tweak error messages.
9662 * cpplib.c (get_define_node): Disallow all named operators as
9663 macro names. Tweak error messages.
9664 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9666 * cppinit.c (builtin_array): Add entries for the named operators.
9667 * cppexp.c (lex): Check for CPP_DEFINED token.
9668 (priority table): Add entries for CPP_MIN and CPP_MAX.
9669 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9671 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9673 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9674 larger than the array of cuids.
9675 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9678 2000-07-19 Bruce Korb <bkorb@gnu.org>
9680 * fixinc/fixincl.c: Convert to using a table of environment variables
9681 and activate the auto-edit marker on the fixed output files.
9682 * fixinc/fixlib.h: Define the environment table
9683 * fixinc/fixincl.sh: export the ${INPUT} dir
9684 * fixinc/check.tpl: likewise
9686 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9688 * gcc.c (.h spec): Fix typo.
9690 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9692 * Makefile.in: Fix tradcif.c path.
9694 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9696 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9699 * cpphash.h (TOKEN_NAME): New macro.
9700 (_cpp_spell_operator): Deleted.
9701 (token_spellings): Now _cpp_token_spellings.
9703 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9704 * cpplex.c: Use OP and TK macros when expanding the
9705 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9706 store the stringification of the enumeration name (CPP_CHAR,
9707 etc.) in the name slot of token_spellings.
9708 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9709 token_spellings directly.
9710 * cpplib.c: Use TOKEN_SPELL.
9712 * cpplex.c (_cpp_push_token): If the token being pushed back
9713 is the previous token in this context, just subtract one from
9715 * cppmacro.c (save_expansion): Clear aux field when storing a
9718 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9720 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9721 buffer, provided it is not NULL.
9723 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9725 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9726 case of invalid volatile re-declaration.
9728 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9730 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9731 (expand_call): Adjust caller.
9733 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9735 * diagnostic.h (report_diagnostic): Change prototype.
9737 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9738 diagnostic_for_decl): Change prototype.
9739 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9740 error, warning, error_with_file_and_line,
9741 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9742 Adjust call to report_diagnostic, diagnostic_for_decl.
9743 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9744 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9746 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9747 varaible argument list.
9749 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9751 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9752 moved to cppmacro.c.
9753 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9754 dump_hash_helper): Delete.
9755 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9756 cpp_forall_identifiers): New. Implement specialized version of
9757 Vlad's expandable hash table.
9758 (cpp_lookup): Use new functions.
9759 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9761 * cppmacro.c: New file.
9762 * cppinit.c (dump_macros_helper): New.
9763 (cpp_finish): Iterate over the identifier table directly.
9764 * cpplex.c (parse_name): Calculate the hash of the identifier
9765 while we scan it. Use _cpp_lookup_with_hash when we can.
9767 * cpphash.h: Update prototypes.
9768 (xcnewvec, HASHSTEP): New helper macros.
9769 * cpplib.h: Update prototypes.
9770 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9771 (cppmacro.o): New rule.
9772 (cpphash.o): Update deps.
9774 * cppmain.c: Do not set pfile->printer if no_output is on.
9776 2000-07-15 Neil Booth <neilb@earthling.net>
9778 * cpplib.c: Change all directive-handler functions to return
9780 * cpphash.h: Update typedefs.
9782 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9784 * configure: Regenerate.
9786 * extend.texi (Extended Asm): Mention that a memory clobber
9787 does not count as a side-effect.
9789 * unroll.c (copy_loop_body): Fix one instance of using host
9790 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9793 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9795 2000-07-17 Richard Henderson <rth@cygnus.com>
9797 * config/ia64/ia64.md (movdi): Split out load address code.
9798 New post-reload splitter for symbolic operands.
9799 (movdi_internal): Abort if we didn't split symbolic operands
9800 when we should have.
9801 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9802 (ia64_reorg): Split insns when not optimizing.
9803 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9805 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9807 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9808 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9810 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9812 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9814 2000-07-17 Jason Merrill <jason@redhat.com>
9816 * Makefile.in (clean): Remove libgcc directory.
9818 * configure.in (-Wno-long-long check): Use higher-level macros.
9820 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9822 * simplify-rtx.c (simplify_binary_operation): Recognize
9823 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9824 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9825 a CONST_INT, it will always be zero.
9827 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9829 * loop.c (check_dbra_loop) : Return if more than one condition is
9830 present to control the loop.
9832 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9834 * mips.c (mips_expand_prologue): Don't calculate the last argument
9835 register unless we need it. When we are calculating this, make
9836 sure FUNCTION_ARG is giving us a REG.
9838 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9840 * flow.c (libcall_dead_p): Use single_set to verify the insn
9841 has only one set and get for analysis.
9842 (propagate_one_insn): Don't pass the PATTERN of the insn.
9844 2000-07-17 Mark Klein <mklein@dis.com>
9846 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9848 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9850 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9851 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9852 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9853 of second argument of getgroups.
9854 * configure, config.in: Rebuilt.
9856 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9858 * simplify-rtx.c (simplify_relational_operation): Two signed
9859 values with equal high words are less/greater than each other if
9860 their low words are less/greater when considered as unsigned.
9862 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9864 * configure.in (vax-*-openbsd): Change to new style configuration,
9865 add collect2/float_format information.
9866 * configure: Rebuilt.
9867 * config/vax/openbsd1.h: New.
9868 * config/vax/openbsd.h: New.
9869 * config/vax/t-openbsd: New.
9871 2000-07-17 Chip Salzenberg <chip@valinux.com>
9873 * c-common.c (shorten_compare): Quiet warnings about unsigned
9874 comparisons with zero when they occur in a system header.
9876 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9878 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9879 update to describe current practice.
9881 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9883 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9884 references to C9X. Change references to -fstd and -flang-isoc9x
9887 * c-common.c (scan_char_table): Allow "z" length modifiers on
9889 (check_format_info): Use TYPE_DOMAIN on the type matched against
9890 for "z" formats, to retrieve the language size_t rather than the
9893 * c-common.c (check_format_info): Do not make a pedantic objection
9894 to the 'L' length modifier if used with a floating point type
9897 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9898 constants in C99 mode.
9900 2000-07-17 Kazu Hirata <kazu@hxi.com>
9902 * h8300.md: Fix the format of mac.
9903 (movsi_h8300hs): Output a tab after stmac instead of a space.
9905 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9906 profitable adds/subs sequences.
9908 * fold-const.c: Fix comment typos.
9910 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9912 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9914 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9916 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9918 2000-07-16 Neil Booth <NeilB@earthling.net>
9920 * cpplex.c: Update comments.
9921 * README.Portability: Small update.
9923 2000-07-16 Neil Booth <NeilB@earthling.net>
9925 * README.Portability: Small update.
9927 2000-07-15 Richard Henderson <rth@cygnus.com>
9929 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9930 * config/ia64/ia64.c (ia64_move_ok): New function.
9931 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9932 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9934 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9936 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9937 immediately following a paste operator.
9938 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9939 (cpp_reader_init): Call it, if HOST_EBCDIC.
9940 (cpp_handle_options): Do not sort option list here.
9941 (handle_option): Rename to cpp_handle_option and export.
9942 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9943 _cpp_get_token directly.
9944 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9945 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9946 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9949 2000-07-15 Richard Henderson <rth@cygnus.com>
9951 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9952 cast around an expression. Tidy other unsigned tests.
9954 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9956 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9957 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9958 (v_message_with_decl): Rename to ...
9959 (format_with_decl): ... this. Tweak
9960 (diagnostic_for_decl): New function.
9961 (fatal_io_error): Use verbatim in lieu of notice.
9962 (announce_function): Use verbatim.
9963 (default_print_error_function): Likewise.
9964 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9967 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9969 * mips.c (function_arg_pass_by_reference): Don't do automatic
9970 aggregate initialization.
9971 (machine_dependent_reorg): Initialize variable `mode'.
9973 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9974 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9975 conflicts with sys/param.h macro of the same name.
9976 (reload_outdi): Likewise.
9978 2000-07-15 Michael Meissner <meissner@redhat.com>
9980 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9981 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9982 create a new node instead.
9984 2000-07-15 Neil Booth <NeilB@earthling.net>
9986 * README.Portability: Correct example about calling a function
9987 through a pointer to function. Format wide paragraphs.
9989 2000-07-15 Michael Meissner <meissner@redhat.com>
9991 * README.Portability: Update integer suffixes and function
9994 2000-07-15 Neil Booth <NeilB@earthling.net>
9996 * README.Portability: Small update.
9998 2000-07-15 Neil Booth <NeilB@earthling.net>
10000 * README.Portability: New file.
10002 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
10004 * INSTALL: Give special instructions for building GCC on Irix 6.
10005 * config/mips/x-iris6 (CC): Don't set it.
10008 2000-07-14 Jason Merrill <jason@redhat.com>
10010 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
10011 register in the stack and later in another register, use the new
10014 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
10016 * config/mips/mips.md: (absdi2): Handle sign_extend for
10019 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
10021 * cpplib.c (do_pragma_dependency): Tidy warning messages.
10023 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
10025 * .cvsignore: Correct typo.
10027 2000-07-13 Mark Mitchell <mark@codesourcery.com>
10029 * .cvsignore: Add generated YACC files.
10030 * objc/.cvsignore: New file.
10032 2000-07-14 Neil Booth <NeilB@earthling.net>
10034 * cpplex.c (adjust_column): New funcion.
10035 (skip_whitespace): Use it.
10036 (skip_block_comment): Use it, and warn about /*/* with
10039 2000-07-14 Neil Booth <NeilB@earthling.net>
10041 * cpphash.c (struct macro_info): Add new members.
10042 (_cpp_free_definition): Delete the macro directly.
10043 (count_params): Return void, with first token of
10044 expansion in struct macro_info on success.
10045 (parse_define): Return int. Hoist syntax checking from
10046 save_macro_expansion. Leave call to save_expansion to
10047 _cpp_create_definition.
10048 (alloc_macro): Needs just 2 arguments.
10049 (free_macro): Delete.
10050 (save_expansion): Don't perform syntax check.
10051 (_cpp_create_definition): Call save_expansion.
10053 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10055 * genrecog.c (write_header): Split long string.
10057 * cpphash.c (macro_info): Don't use the `signed' keyword.
10059 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
10061 2000-07-13 Jakub Jelinek <jakub@redhat.com>
10063 * calls.c (stored_args_map): New variable.
10064 (check_sibcall_argument_overlap_1): New.
10065 (check_sibcall_argument_overlap): New.
10066 (expand_call): Initialize stored_args_map.
10067 Call check_sibcall_argument_overlap.
10069 2000-07-13 Bruce Korb <bkorb@gnu.org>
10071 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
10072 (emit_gnu_type): utility procedure for gnu_type_fix
10073 (gnu_type_fix): implement various pre-processor guards around
10074 standard types so these types can be defined over and over
10075 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
10076 types alluded to above will have GNU-compliant base types
10077 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
10078 * fixinc/inclhack.def: add test_text entries and utilize the new
10079 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
10080 * fixinc/fixincl.x: regenerate
10082 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10084 * diagnostic.c (vline_wrapper_message_with_location,
10085 v_message_with_file_and_line, v_error_with_file_and_file,
10086 v_error_for_asm, v_warning_for_asm, vfatal,
10087 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
10088 vsorry, verror, vwarning, vpedwarn): Remove.
10089 (diagnostic_for_asm): New function.
10090 (pedwarn, error, warning, pedwarn_with_file_and_line,
10091 error_with_file_and_line, warning_with_file_and_line, sorry,
10092 error_for_asm, warning_for_asm, fatal): Reimplement.
10093 (finish_diagnostic): Clear diagnostic info as well.
10095 2000-07-13 Neil Booth <NeilB@earthling.net>
10097 * c-common.h (flag_digraphs): New.
10098 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
10099 * c-lex.c (yylex): Use flag_digraphs to decide whether to
10102 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
10104 * gcc.c (do_spec_1): Add new %B operator.
10105 (set_input): Prepare for %B.
10107 (link_command_spec): Move up with the other tm.h-
10108 overrideable specs. Factor out the portion conditional on
10109 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
10110 (struct compiler): Just have a single spec string. All users
10112 (default_compilers): Remove unnecessary braces.
10113 (static_specs): Update.
10115 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
10117 (C and assembly specs): Use the new named specs, as appropriate.
10119 * objc/lang-specs.h: Use the new named specs.
10120 Remove unnecessary braces.
10122 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10124 * gcc.c (execute): If a subprocess gets a fatal signal, report
10125 strsignal() of the signal number, and ask for a bug report.
10126 Do not do this for SIGPIPE if there's already been an error.
10128 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
10129 Delete pipe_closed.
10131 * tradcif.c: Remove.
10133 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10135 * final.c (profile_function): Do not emit profile counters in
10136 the data section, if NO_PROFILE_COUNTERS is defined.
10137 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
10140 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
10141 (FUNCTION_PROFILER): Just emit a call to mcount.
10143 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10145 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
10147 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
10148 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
10149 traditional, lang_chill, or lang_fortran.
10151 * cppfiles.c: #undef strcmp to suppress warning about macros
10152 used without arguments.
10153 (_cpp_execute_include): Use f, not fname, in "No include path"
10155 (_cpp_pop_file_buffer): New function.
10156 * cpplib.c: Don't include <sys/mman.h>.
10157 (cpp_push_buffer): Set line_base and lineno in new buffer.
10158 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
10160 * cpplex.c: Move all prototypes and structure declarations to the
10161 top of the file. Properly parenthesise some macro arguments.
10162 (cpp_scan_line): New function.
10163 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
10164 don't need to walk up the stack counting.
10166 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * c-common.c (combine_strings): Emit a pedantic warning when a
10169 string length is greater than the minimum ANSI C is required
10172 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
10174 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
10175 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
10177 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10179 * c-decl.c (define_label): Warn about identifier conflicts with
10180 labels in traditional C.
10182 * c-parse.in (unop +): Warn about the unary plus operator for
10185 * c-typeck.c (store_init_value): Warn about automatic aggregate
10186 initialization for traditional C.
10188 * invoke.texi (-Wtraditional): Document new warnings.
10190 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10192 * Makefile.in (c-errors.o): Fix thinko in dependency.
10194 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10196 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
10197 -traditional, -ftraditional, or -traditional-cpp was given.
10198 Do not pass -traditional to the preprocessor.
10199 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
10200 preprocessor does it automatically.
10201 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
10203 * ch/lang-specs.h: Always use tradcpp. Do not pass
10204 -traditional, -trigraphs, or -pedantic to the preprocessor.
10205 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
10208 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10210 * cppexp.c (LOGICAL): Delete macro.
10211 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
10214 * cpphash.c (HASHSIZE): Increase to 4096.
10215 (struct hashdummy): Add hash field.
10216 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
10217 the string values using memcmp.
10218 (cpp_lookup): Set dummy.hash.
10220 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
10222 * configure.in (m88k-openbsd): Express configuration using new fragment
10224 * configure: Rebuilt.
10225 * m88k/aout-dbx.h: New.
10226 * m88k/openbsd.h: New.
10227 * m88k/xm-openbsd.h: New.
10229 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10231 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
10233 2000-07-12 Richard Henderson <rth@cygnus.com>
10235 * reload.c (push_secondary_reload): Make sure to add the new
10236 reload at the end, after acquiring secondary memory.
10238 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10240 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
10242 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
10243 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
10245 * c-parse.in (stmt): Delete unused variables.
10247 * convert.c (convert_to_vector): Likewise.
10249 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
10251 * tree.c (finish_vector_type): Prototype.
10253 2000-07-12 Bruce Korb <bkorb@gnu.org>
10255 * fixinc/fixfixes.c: use xmalloc
10256 * fixinc/fixincl.c(initialize): set program name for xmalloc
10257 * fixinc/fixlib.c(must_malloc): obsolete
10258 (is_cxx_header): no longer used - disabled
10259 (skip_quote): inserted and disabled for future use
10260 * fixinc/fixlib.h: reflects above
10261 * fixinc/fixtests.c: removed dinkleberries
10263 2000-07-12 Neil Booth <NeilB@earthling.net>
10265 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
10266 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
10268 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
10269 struct toklist_dummy): New.
10270 (cpp_free_definition): Free macros with free_macro.
10271 (count_params): Don't save paramter spellings. Save macro
10272 information in a struct macro_info.
10273 (parse_define): Don't allocate a token list.
10274 (save_expansion): Allocate the macro's token list, and
10275 save parameter spellings if necessary. Use TOKEN_SPELL.
10276 (cpp_create_definition): Make list const.
10278 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10280 * c-typeck.c (pedwarn_c99): Move to
10281 * c-errors.c: ... Here.
10282 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
10283 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
10284 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
10285 (c-errors.o): List dependency.
10287 2000-07-12 Mark Mitchell <mark@codesourcery.com>
10289 * c-parse.c: Remove.
10290 * c-parse.h: Likewise.
10291 * c-parse.y: Likewise.
10292 * objc/objc-parse.c: Likewise.
10293 * objc/objc-pasre.y: Likewise.
10295 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
10297 * gcc.texi: Fix minor typos
10298 * extend.texi: Fix minor typos
10300 2000-07-11 Marc Espie <espie@openbsd.org>
10302 * collect2.c (main): Recognize .lo as object files.
10304 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10306 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
10309 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
10310 with MAP_ANONYMOUS and MAP_ANON.
10311 * configure, config.in: Rebuilt.
10313 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10315 * diagnostic.c (save_output_state): Remove.
10316 (restore_output_state): Likewise.
10317 (clear_text_info): New function.
10318 (clear_diagnostic_info): Likewise.
10319 (output_text_length, is_starting_newline, output_prefix,
10320 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
10321 prefixing_policy, output_buffer_ptr_to_format_args): New macros
10322 (set_real_maximum_length, output_set_maximum_length,
10323 output_set_prefix, output_get_prefix, output_set_maximum_length,
10324 output_destroy_prefix, init_output_buffer,
10325 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
10326 output_add_newline, output_add_character, output_add_space,
10327 output_append_r, output_append, wrap_text, output_format,
10328 output_do_printf, output_printf, output_do_verbatim,
10329 output_verbatim, verbatim): Use them.
10330 (output_clear): Split into cleat_text_info and
10331 clear_diagnostic_info.
10332 (struct output_state): Move to...
10334 * diagnostic.h: ...Here
10335 (struct output_buffer): Adjust.
10337 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
10339 * cpplex.c (parse_name): No longer inline (premature optimization).
10340 (do_pop_context): Fold into pop_context.
10341 (pop_context): Returns int.
10342 (lex_next): Hoist test for end of directive into pop_context.
10343 (push_macro_context): Returns int; takes just reader and token.
10344 Hoist test for excessive nesting to caller.
10345 (push_arg_context): Returns void; takes just reader and token.
10346 Do not call stringify_arg or get_raw_token.
10347 (get_raw_token): Convert tail recursion through push_arg_context
10348 to a loop at this level. Call stringify_arg here if appropriate.
10349 (maybe_paste_with_next): Convert tail recursion to a while loop.
10350 Hoist test of paste_level to caller.
10352 (stringify_arg): Push arg context at beginning.
10353 (cpp_get_token): Split out core into _cpp_get_token. Call
10354 process_directive here. Throw away CPP_PLACEMARKER tokens.
10355 (_cpp_get_token): Convert tail recursion through
10356 push_macro_context to a loop at this level.
10357 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
10358 _cpp_get_raw_token): Use _cpp_get_token.
10359 (_cpp_skip_rest_of_line): Drop the context stack directly; do
10360 not call pop_context.
10361 (_cpp_run_directive): Call lex_next directly.
10363 * cpphash.h: Prototype _cpp_get_token.
10364 * cppexp.c (lex): Use it.
10365 * cpphash.c (parse_define): Use it.
10366 * cpplib.c (get_define_node, do_undef, parse_include,
10367 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
10368 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
10369 parse_ifdef, validate_else): Use it.
10370 (cpp_push_buffer): Tweak error message; abort if anyone tries
10371 to push a buffer while macro expansions are stacked.
10373 2000-07-11 Donn Terry <donnte@microsoft.com>
10375 * cpplex.c (free_macro_args, save_token): Cast arg of free
10376 and/or xrealloc to PTR.
10377 (_cpp_init_input_buffer): Clear all fields of the base context.
10379 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
10381 * gensupport.c (process_rtx): Make rtl checking stop
10382 complaining about the define_insn while it is being
10383 converted from a define_insn_and_split.
10385 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
10387 * config/mips/mips.c (simple_memory_operand): Access the
10388 INTVAL of the address, not it's containing MEM.
10390 2000-07-11 Bruce Korb <bkorb@gnu.org>
10392 * fixinc/fixtests.c(double_slash): obsolete
10393 (else_endif_label): likewise
10394 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
10395 (libc1_ifdefd_memx): correct initial comment
10396 and omit the #if/#endif pair from the memxxx declarations
10397 * fixinc/fixincl.x: regen
10399 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10401 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
10403 2000-07-11 Neil Booth <NeilB@earthling.net>
10405 * cpp.texi: Update.
10407 2000-07-11 Neil Booth <NeilB@earthling.net>
10409 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
10410 (handle_option): Set digraphs according to standard.
10411 Merge OPT_lang_c89 handler with OPT_std_c89.
10413 * cpplex.c: (lex_line, can_paste): Honour digraphs in
10414 accordance with the digraphs flag.
10416 * cpplib.h: (struct cpp_options): New option digraphs.
10418 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
10419 Bruce Korb <bkorb@gnu.org>
10421 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
10422 * fixinc/fixincl.x: Regenerate.
10423 * fixinc/tests/base/testing.h: Add testcase.
10425 2000-07-10 Richard Henderson <rth@cygnus.com>
10427 * config/ia64/ia64.c (got_symbolic_operand): New.
10428 (symbolic_operand, move_operand): Revert 0701 change.
10429 * config/ia64/ia64.h (PREDICATE_CODES): Update.
10430 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
10431 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
10432 split the offset into a 14-bit low part instead of a 13-bit low part.
10433 (load_fptr): Mark the mem as unchanging.
10434 (load_symptr): Use got_symbolic_operand.
10436 2000-07-10 Nick Clifton <nickc@cygnus.com>
10438 * libgcc2.c (next_stack_level): Cast result of computation to
10439 (void **) so that the assignment does not generate a warning.
10441 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
10443 * flags.h : Add new variable flag_single_precision_constant.
10444 * toplev.c (display_help) : Add -fsingle-precision-constant option.
10445 (flag_single_precision_constant): New.
10446 * c-lex.c (yylex): Convert floating point constant to single
10447 precision constant.
10448 * invoke.texi : Add documentation for this new option.
10450 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10452 * diagnostic.c (output_octal): Second parameter is unsigned.
10453 (output_long_octal): Likewise.
10454 (output_hexadecimal): Likewise.
10455 (output_long_hexadecimal): Likewise.
10456 (output_format): Adjust arguments extraction. Tweak.
10457 (output_verbatim, verbatim): End variable argument list.
10458 (report_diagnostic): Improve documentation.
10460 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
10462 * c-common.h (build_stmt): Declare.
10463 (build_continue_stmt): Likewise.
10464 (build_break_stmt): Likewise.
10465 (build_return_stmt): Likewise.
10467 * c-decl.c (do_case): Rewrite to do what previously done in
10470 * c-semantics.c (build_stmt): Define.
10471 (build_return_stmt): Likewise.
10472 (build_break_stmt): Likewise.
10473 (build_continue_stmt): Likewise.
10474 (build_case_label): Likewise.
10476 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10477 (CONTINUE): Likewise.
10478 (RETURN): Likewise.
10480 (DEFAULT): Likewise.
10482 * c-parse.y: Regenerate.
10483 * c-pasre.c: Likewise.
10485 2000-07-09 Jason Merrill <jason@redhat.com>
10487 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10489 * tree.h (STRIP_NOPS): Check for error_mark_node.
10490 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10491 (dwarf2out_*): Remove duplicate declarations.
10493 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10494 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10496 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10498 * diagnostic.c (wrap_text): New function.
10499 (maybe_wrap_text): Likewise.
10500 (output_add_string): Use it.
10501 (output_format): Likewise.
10502 (count_error): Use verbatim instead of notice.
10503 (report_error_function): Likewise. Don't use plain fprintf.
10504 (finish_diagnostic): New function.
10505 (output_do_verbatim): Tweak. Commonalize functionalities in
10506 output_verbatim and verbatim.
10507 (output_verbatim): Adjust.
10508 (verbatim): Likewise.
10509 (report_diagnostic): Define.
10511 * diagnostic.h (report_diagnostic): Prototype.
10513 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10515 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10517 2000-07-09 Neil Booth <NeilB@earthling.net>
10519 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10520 IShspace, ISspace: Update.
10522 * cppinit.c: ISTABLE: Update.
10525 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10526 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10527 (skip_block_comment, skip_line_comment, parse_string,
10528 lex_line): Use is_vspace rather than IS_NEWLINE.
10529 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10530 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10532 (lex_next): Unconditionally stop if within a directive.
10533 Treat directives within macro invocations as directives
10534 (after parse_args emits error), not as the argument.
10536 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10538 * diagnostic.c (diagnostic_args): New macro.
10539 (diagnostic_msg): Likewise.
10540 (output_formatted_integer): Likewise.
10541 (output_state): New data type.
10542 (digit_buffer): Make global.
10543 (output_add_integer): Rename to output_decimal. Squeeze
10545 (output_long_decimal, output_unsigned_decimal,
10546 output_long_unsigned_decimal, output_octal, output_long_octal,
10547 output_hexadecimal, output_long_hexadecimal): New functions.
10548 (output_append_r): New function.
10549 (output_append): Tweak.
10550 (output_flush_on): Rename to output_to_stream.
10551 (output_format): Change prototype. Improve documentation. Handle
10552 more format specifiers.
10553 (build_location_prefix): Rename to context_as_prefix.
10554 (output_notice): Rename to output_do_printf.
10555 (output_printf): Tweak.
10556 (line_wrapper_printf): Likewise.
10557 (vline_wrapper_message_with_location): Adjust call to renamed
10559 (v_message_with_decl): Likewise.
10560 (default_print_error_function): Likewise.
10561 (save_output_state): New function.
10562 (restore_output_state): Likewise.
10563 (output_do_verbatim): Likewise.
10564 (output_verbatim): Define.
10565 (verbatim): Likewise.
10567 * diagnostic.h (printer_fn): Change return type from void to int.
10568 Improve documentation.
10569 (output_add_integer): Rename to output_decimal.
10570 (output_flush_on, output_format): Don't export.
10571 (output_verbatim, verbatim): Declare.
10573 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10575 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10576 Check whether c divides op1 exactly if operation is not
10579 2000-07-08 Richard Henderson <rth@cygnus.com>
10581 * final.c (final): Do not abort when reg-stack introduces
10584 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10586 * cpplib.h (struct cpp_name): Now struct cpp_string.
10587 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10588 CPP_HEADER_NAME): Change to type S.
10589 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10590 field, a cpp_hashnode *. All references to val.name updated
10591 to use val.str or val.node as appropriate.
10592 (struct cpp_reader): Add spec_nodes field.
10593 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10595 * cpphash.h (struct spec_nodes): New.
10596 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10597 val.str. All references to 'spelling > SPELL_NONE' updated to
10600 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10601 pfile->buffer->inc are not NULL before dereferencing them.
10603 * cpplex.c (parse_name): Take a pointer to the current token,
10604 plus current position and limit as args; return the new
10605 position; don't copy the text of a name into the string
10606 buffer, instead call cpp_lookup and store the node pointer.
10607 If extending a token, copy out the text of the old into a
10608 scratch buffer, append the new, look that up and store the new
10609 node pointer. Inline.
10610 (maybe_paste_with_next): If the result of paste is a NAME,
10611 then look up the pasted text and store its node pointer.
10612 (lex_line): Adjust for new parse_name interface.
10613 Check for L"str", L'str' using spec_nodes->n_L.
10614 (spell_token): SPELL_IDENT tokens have their spelling in
10615 val.node->name. Handle SPELL_STRING tokens that don't have
10617 (_cpp_expand_name_space,
10618 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10619 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10620 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10621 return 1=equal 0=not, not a tristate.
10623 * cpphash.c (var_args_str): Delete.
10624 (find_param): Compare node fields directly.
10625 (is__va_args__): Use CPP_PEDANTIC. Just compare
10626 token->val.node with spec_nodes->n__VA_ARGS__.
10627 (dump_funlike_macro): Don't use var_args_str.
10629 * cpplib.c (_cpp_check_directive): Just walk through
10630 spec_nodes->dirs comparing pointers.
10631 (get_define_node, do_pragma_poison, detect_if_not_defined,
10632 parse_ifdef): The identifier has already been looked up.
10633 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10635 (do_if): Only call detect_if_not_defined at beginning of file.
10636 (_cpp_parse_assertion): Only copy string pointers for
10637 SPELL_STRING tokens.
10638 (pragma_dispatch): Take a node pointer and examine its name
10640 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10642 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10644 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10645 reverse order from the corresponding _cpp_init_* routines.
10647 * cppexp.c (parse_number, parse_charconst, parse_defined,
10648 lex): Check val.node->type instead of calling cpp_defined.
10649 Use spec_nodes entries where appropriate.
10651 * fix-header.c, scan-decls.c: Update for interface changes.
10653 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10655 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10656 emitting aux_truncdfsf2.
10658 2000-07-03 Donn Terry (donnte@microsoft.com)
10660 * cppinit.c (print_help): split overlong line into ISO C89
10663 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10665 * cppexp.c: Update all code for new lexer interface.
10666 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10667 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10668 * cpplex.c (token_names): Trim leading CPP_ from names; make
10669 the strings unsigned.
10670 (_cpp_spell_operator): New.
10671 (is_macro_disabled): Disable all macros if rescanning
10673 (_cpp_get_directive_token): Remove.
10675 * cppinit.c: Don't set no_macro_expand.
10676 * cpplib.c (read_line_number, do_line): Check only for EOF,
10678 * cpphash.h: Update prototypes.
10679 * cpplib.h (CPP_VSPACE): Remove.
10680 (struct cpp_reader): Remove no_macro_expand.
10682 2000-07-08 Neil Booth <NeilB@earthling.net>
10684 * cpphash.c (is__va_args__): New function.
10685 (count_params): Fix line reported in error messages. Use
10686 is__va_args__. Don't return ')' on error. Flag GNU style
10687 rest args macro definitions.
10688 (parse_define): Check macro name is not __VA_ARGS__.
10689 (save_expansion): Check identifier in non-varargs-macro is
10690 not __VA_ARGS__. Don't flag GNU_VARARGS.
10691 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10692 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10693 than per-token GNU_VARARGS.
10694 * cpplib.h (GNU_VARARGS): Remove.
10695 (GNU_REST_ARGS): New.
10697 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10699 * i386.md (call_pop, call, call_value_pop): Do not set
10700 current_function_uses_pic_offset_table for calls to static
10701 functions or indirect calls.
10703 2000-07-07 Jim Wilson <wilson@cygnus.com>
10705 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10706 is_predicate_reg, then take max write_count of register pair.
10708 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10710 * tradcpp.c (main): Rename label `include' to `add_include' to
10711 avoid conflicts with variable `include' in traditional C.
10713 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10715 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10717 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10719 * sibcall.c (uses_addressof): Add INMEM argument, check for
10720 current_function_internal_arg_pointer outside of MEM rtxs in addition
10722 (sequence_uses_addressof): Update caller.
10724 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10726 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10729 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10731 * system.h (UNION_INIT_ZERO): New macro for initializing union
10732 members in structs.
10734 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10736 2000-07-07 Neil Booth <NeilB@earthling.net>
10738 * cpp.texi: Update.
10740 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10742 * final.c (final): Detect out of bounds array access to
10743 the insn_lengths array.
10745 2000-07-07 Kazu Hirata <kazu@hxi.com>
10747 * fold-const.c (fold): Fix a comment typo.
10749 2000-07-07 Neil Booth <NeilB@earthling.net>
10751 * cpp.texi: Update to new lexer.
10753 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10755 * tradcpp.c: New file.
10756 * tradcif.y: New file.
10757 * tradcif.c: New generated file.
10759 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10760 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10761 dependencies of C. Install tradcpp from install-common, in
10764 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10766 * cppinit.c: Include cppdefault.h. Refer to
10767 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10768 to GCC_INCLUDE_DIR and its length.
10769 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10770 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10771 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10773 (include_defaults_array): Move to cppdefault.c.
10775 * cppdefault.h: New file.
10776 * cppdefault.c: New file.
10778 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10779 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10780 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10783 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10785 * reload.c (push_reload): When seeing if can reuse a register,
10786 check extra registers against widest of INMODE and OUTMODE.
10788 2000-07-06 Neil Booth <NeilB@earthling.net>
10790 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10791 based on full length of predicate.
10793 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10795 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10796 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10798 2000-07-05 Kazu Hirata <kazu@hxi.com>
10800 * h8300-proto.h: Fix formatting.
10801 * h8300.c: Likewise.
10802 * h8300.h: Likewise.
10804 2000-07-05 Jim Wilson <wilson@cygnus.com>
10806 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10809 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10811 * invoke.texi: Fix minor typos
10812 * md.texi: Fix minor typos
10814 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10816 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10818 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10820 * cpplex.c: Don't include sys/mman.h.
10821 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10823 * cpplib.c: Include sys/mman.h and obstack.h.
10824 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10826 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10827 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10828 bother freeing if stack entries (they will be freed with their buffer).
10829 (do_endif): Free if stack entries from the buffer obstack.
10830 (push_conditional): Allocate if stack entries from the buffer obstack.
10832 (find_answer): Rename to _cpp_find_answer.
10833 (do_assert, do_unassert): Update.
10835 * cpphash.h: Update prototypes.
10836 (xobnew): New convenience macro.
10837 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10839 (struct cpp_hashnode): Remove disabled field.
10841 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10842 (report_missing_guard): Moved to cppfiles.c.
10843 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10845 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10846 cpp_cleanup_includes. Don't destroy hashtab or
10847 all_include_files here.
10848 (cpp_finish): Use _cpp_report_missing_guards.
10850 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10851 (_cpp_init_include_table): Rename _cpp_init_includes.
10852 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10854 * cppexp.c (parse_assertion): Update for new name of
10857 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10859 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10861 * cpplib.c (do_ident): s/VSPACE/EOF/
10863 2000-07-05 Neil Booth <NeilB@earthling.net>
10865 * cpplex.c: Fix trigraph replacement within strings.
10867 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10869 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10871 * xcoffout.c (assign_type_number): Constify.
10872 (xcoffout_source_file): Add static prototype. Don't needlessly
10873 cast away const-ness.
10875 2000-07-04 Jason Merrill <jason@redhat.com>
10877 * frame.h (frame_state): Move base_offset to end.
10879 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10881 * calls.c (emit_library_call_value_1): Revert previous change.
10883 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10885 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10886 (recognized_extern, recognized_function, read_scan_file):
10887 Update for new scheme.
10888 (check_protection): It's still a multiple include guard even
10889 if it doesn't always trigger.
10890 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10892 * scan.h: Declare struct cpp_token. Update prototypes.
10894 2000-07-03 Neil Booth <neilb@earthling.net>
10895 Zack Weinberg <zack@wolery.cumb.org>
10897 Complete overhaul of the lexer and macro expander.
10899 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10900 arg, arglist, argdata, reflist, collect_objlike_expansion,
10901 collect_funlike_expansion, collect_params,
10902 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10903 unsafe_chars, macarg, compare_defs, special_symbol,
10904 scan_arguments, stringify, funlike_macroexpand,
10905 _cpp_quote_string, monthnames): Delete.
10906 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10907 _cpp_create_definition, _cpp_dump_definition,
10908 dump_hash_helper): Adjust.
10909 (find_param, count_params, parse_define, var_args_str,
10910 check_macro_redefinition, save_expansion): New.
10912 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10913 parse_string, output_line_command, trigraph_replace,
10914 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10915 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10916 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10917 _cpp_skip_rest_of_line): Modify.
10919 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10920 find_position, null_warning, bump_column, expand_name_space,
10921 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10922 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10923 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10924 _cpp_prescan): Delete.
10926 (dump_param_spelling, process_directive, lex_next,
10927 is_macro_disabled, stringify_arg, expand_context_stack,
10928 output_token, make_string_token, alloc_number_token,
10929 special_symbol, duplicate_token, maybe_paste_with_next,
10930 can_paste, prevent_macro_expansion, restore_macro_expansion,
10931 get_temp_token, release_temp_tokens, quote_string,
10932 token_names, token_spellings, _cpp_expand_name_space,
10933 _cpp_glue_header_name, _cpp_reserve_name_space,
10934 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10935 placemarker_token, eof_token, cpp_context, macro_args,
10936 get_raw_token, parse_arg, parse_args, save_token,
10937 push_arg_context, push_macro_context, pop_context,
10938 do_pop_context, free_macro_args, _cpp_get_line,
10939 _cpp_run_directive): New.
10941 * cpplib.c (validate_else, parse_include, push_conditional,
10942 pass_thru_directive, read_line_number, parse_ifdef,
10943 detect_if_not_defined, _cpp_check_directive, do_define,
10944 do_undef, do_include, do_import, do_include_next, do_error,
10945 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10946 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10947 do_pragma_poison, do_pragma_system_header,
10948 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10949 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10950 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10951 cpp_defined): Update for new scheme.
10952 (strtoul_for_line, get_define_node, dump_macro_name,
10953 _cpp_check_linemarker, _cpp_parse_assertion): New.
10954 (_cpp_handle_directive, do_pragma_default): Delete.
10956 * cpphash.h (struct predicate): Now struct answer.
10957 (enum spell_type, struct token_spelling, struct directive,
10958 directive_handler): New.
10959 Update prototypes. Remove unused macros.
10960 * cpplib.h: Update prototypes. Remove unused macros,
10961 structure definitions, and fields.
10963 * cpperror.c (print_containing_files, v_message): Adjust.
10964 * cppexp.c (parse_assertion, lex, parse_escape,
10965 _cpp_parse_expr): Adjust.
10966 * cppfiles.c (open_include_file, _cpp_execute_include,
10967 _cpp_compare_file_date, cpp_read_file, read_include_file):
10969 * cppinit.c (dump_special_to_buffer): Delete.
10970 (append_include_chain, merge_include_chains, cpp_reader_init,
10971 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10972 cpp_finish, handle_option, print_help): Adjust.
10973 * cppmain.c (main): Adjust.
10975 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10977 * cppspec.c (lang_specific_driver): Use double quotes in error
10980 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10982 * calls.c (emit_library_call_value_1): Use valreg instead
10983 of hard_libcall_value.
10985 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10987 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10988 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10989 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10997 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10998 mode instead of wider_mode is being used.
11000 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11002 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
11003 of 'r'. Use q_regs_operand.
11004 (andsi_1+2): Use q_regs_operand.
11006 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11008 * builtins.c (get_memory_rtx): Always put into alias set 0.
11010 2000-07-03 Nick Clifton <nickc@cygnus.com>
11012 * config/arm/arm.md: Fix post increment and pre increment
11013 peepholes so that they do not generate UNPREDICATBLE opcodes.
11014 (ie ones where the increment clobbers the source/destination).
11016 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
11018 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
11019 change too big for -mtiny-stack" a warning, if larger than 63.
11020 (out_set_stack_ptr): Change the logic so -mno-interrupts is
11021 always safe to use on possible future devices.
11022 (function_prologue): Write SPH before SPL, for consistency.
11023 If interrupt_func_p true, we know we have enabled interrupts.
11024 (avr_num_arg_regs): New function. Round up to even number of
11025 bytes if no -mpack-args or if calling a libgcc function.
11026 (function_arg, function_arg_advance): Use it.
11027 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
11028 Output "movw" if available.
11029 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
11030 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
11031 (asm_output_section_name): Add blanks for consistent output.
11032 (encode_section_info): Set TREE_READONLY for progmem data to
11033 avoid gas warnings about changed section attributes.
11034 (avr_hard_regno_mode_ok): Force non-QImode data to start in
11035 even numbered registers on devices with "movw".
11036 * config/avr/avr.h (MASK_*): Define bits for target_flags.
11037 (TARGET_SWITCHES): Mark help strings for translation.
11038 Add new -mpack-args and -menhanced switches.
11039 (TARGET_OPTIONS): Mark help strings for translation.
11040 (progmem_section): Add section attributes.
11041 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
11042 Output "movw" if available.
11043 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
11045 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
11046 call convention (arguments aligned on even registers).
11047 (_cleanup, _exit): Make weak symbols libc can override.
11049 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11051 * fp-bit.h: New file.
11053 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
11054 Comment #endif statements.
11055 (__thenan_sf, __thenan_df): Add missing braces around initializer.
11057 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
11059 * gcse.c (compute_pre_data): Compute ae_kill using other local
11060 properties instead of calling compute_ae_kill.
11062 * alias.c (init_alias_analysis): Do not call
11063 prologue_epilogue_contains until after reload has completed.
11065 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
11067 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
11068 (genrtl_finish_compound_stmt): Likewise.
11069 (genrtl_compound_stmt): Change to return void.
11071 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
11072 move code from here to ...
11073 (genrtl_compound_stmt): ... here.
11074 (genrtl_finish_compound_stmt): Remove.
11075 (expand_stmt): Add comment.
11077 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
11079 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
11082 2000-07-02 Jakub Jelinek <jakub@redhat.com>
11084 * cpplib.h (struct cpp_reader): New field include_depth.
11085 (struct cpp_printer): Rename last_bsd to last_id.
11086 * cppfiles.c (read_include_file): Bump include_depth.
11087 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
11088 (output_line_command): Output correct #line if a header
11089 is including itself and is not protected against multiple inclusion.
11090 Use include_depth instead of buffer_stack_depth, last_id instead of
11092 * cppinit.c (cpp_start_read): Initialize last_id instead of
11095 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
11097 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
11098 (c-semantics.o): New target.
11100 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
11101 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
11102 (genrtl_clear_out_block): Likewise.
11103 (genrtl_goto_stmt): Likewise.
11104 (genrtl_expr_stmt): Likewise.
11105 (genrtl_decl_stmt): Likewise.
11106 (genrtl_if_stmt): Likewise.
11107 (genrtl_while_stmt): Likewise.
11108 (genrtl_do_stmt): Likewise.
11109 (genrtl_return_stmt): Likewise.
11110 (genrtl_for_stmt): Likewise.
11111 (genrtl_break_stmt): Likewise.
11112 (genrtl_continue_stmt): Likewise.
11113 (genrtl_scope_stmt): Likewise.
11114 (genrtl_switch_stmt): Likewise.
11115 (genrtl_case_label): Likewise.
11116 (genrtl_begin_compound_stmt): Likewise.
11117 (gerntl_finish_compound_stmt): Likewise.
11118 (genrtl_compound_stmt): Likewise.
11119 (genrtl_asm_stmt): Likewise.
11120 (genrtl_decl_cleanup): Likewise.
11121 (DECL_ANON_UNION_ELEMS): Likewise.
11122 (emit_local_var): Likewise.
11123 (make_rtl_for_local_static): Likewise.
11124 (expand_cond): Likewise.
11125 (expand_stmt): Likewise.
11126 (c_expand_return): Likewise.
11127 (c_expand_start_case): Likewise.
11128 (do_case): Likewise.
11129 (COMPOUND_STMT_NO_SCOPE): Likewise.
11130 (c_expand_asm_operands): Likewise.
11131 (NEW_FOR_SCOPE_P): New macro.
11132 (expand_expr_stmt_fn): New type.
11134 (set_current_function_name_declared): Likewise.
11135 (current_function_name_declared): Likewise.
11136 (lang_expand_stmt): Likewise.
11137 (stmts_are_full_exprs_p): Likewise.
11138 (anon_aggr_type_p): Likewise.
11139 (lang_expand_expr_stmt): Likewise.
11140 (build_case_label): Likewise.
11142 * c-decl.c (lang_expand_expr_stmt): Initialize.
11143 (stmts_are_full_exprs_p): Define.
11144 (current_function_name_declared): Likewise.
11145 (do_case): Likewise.
11146 (lang_expand_stmt): Likewise.
11147 (set_current_function_name_declared): Likewise.
11148 (anon_aggr_type_p): Likewise.
11150 * c-semantics.c: New file.
11151 (expand_cond): Moved from cp/semantics.c.
11152 (genrtl_do_pushlevel): Likewise.
11153 (genrtl_clear_out_block): Likewise.
11154 (genrtl_goto_stmt): Likewise.
11155 (genrtl_expr_stmt): Likewise.
11156 (genrtl_decl_stmt): Likewise.
11157 (genrtl_if_stmt): Likewise.
11158 (genrtl_while_stmt): Likewise.
11159 (genrtl_do_stmt): Likewise.
11160 (genrtl_return_stmt): Likewise.
11161 (genrtl_for_stmt): Likewise.
11162 (genrtl_break_stmt): Likewise.
11163 (genrtl_continue_stmt): Likewise.
11164 (genrtl_scope_stmt): Likewise.
11165 (genrtl_switch_stmt): Likewise.
11166 (genrtl_case_label): Likewise.
11167 (genrtl_begin_compound_stmt): Likewise.
11168 (genrtl_finish_compound_stmt): Likewise.
11169 (genrtl_compound_stmt): Likewise.
11170 (genrtl_asm_stmt): Likewise.
11171 (genrtl_decl_cleanup): Likewise.
11172 (make_rtl_for_local_static): Moved from cp/decl.c.
11173 (emit_local_var): Likewise.
11174 (expand_stmt): Define.
11176 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
11177 (c_expand_return): Likewise.
11178 (c_expand_start_case): Likewise.
11180 2000-07-01 Richard Henderson <rth@cygnus.com>
11182 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
11183 with the low 13 bits set.
11184 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
11185 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
11186 of the low 13 bits into a CONST plus an adddi3.
11187 (load_symptr): Set RTX_UNCHANGING_P.
11189 See ChangeLog.3 for earlier changes.