1 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
4 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
6 2000-12-12 Jim Wilson <wilson@redhat.com>
8 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
10 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
12 * configure.in: Simplify language enabling/disabling code.
14 * ch/config-lang.in (target_libs): Set.
15 (build_by_default): Set to no.
16 * cp/config-lang.in (target_libs): Set.
17 * f/config-lang.in (target_libs): Set.
18 * java/config-lang.in (target_libs): Set.
19 * objc/config-lang.in (target_libs): Set.
21 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
23 * tradcpp.c (enum node_type): Add T_ERROR.
24 (do_error): New function.
25 (directive_table): Add #error handler.
27 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
31 * configure: Regenerated.
32 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
33 * config/rs6000/rs6000.c (rs6000_unique_section): Use
36 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
38 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
39 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
42 2000-12-11 Bruce Korb <bkorb@gnu.org>
44 * fixinc/fixincl.tpl: initialize all fields for warnings
45 * fixinc/fixincl.x: regenerate
47 2000-12-11 Neil Booth <neilb@earthling.net>
49 * tradcpp.h: For tradcpp, NUL is not whitespace.
51 2000-12-11 Neil Booth <neilb@earthling.net>
53 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
55 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
57 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
58 (compare_diff_p, compare_eq_p): Call compare_condition.
59 (out_tsthi, out_tstsi): Call compare_sign_p.
60 (avr_progmem_p): Check for error_mark_node.
62 2000-12-11 Neil Booth <neilb@earthling.net>
64 * cpperror.c (print_location): New function.
65 (print_containing_files): Simplify.
66 (_cpp_begin_message): Simplify and use print_location.
67 * cppfiles.c (stack_include_file): Update.
68 (_cpp_pop_file_buffer): Update.
69 * cpphash.h (struct cpp_buffer): New members
70 include_stack_listed and type.
71 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
72 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
73 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
74 handle_assertion): Update.
75 (cpp_push_buffer): Take a buffer type and file name.
76 (cpp_pop_buffer): Update. Clear include_stack_listed.
77 * cpplib.h (input_stack_listing_current): Remove.
78 (enum cpp_buffer_type): New.
79 (cpp_push_buffer): New prototype.
80 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
81 * fix-header.c (read_scan_file): Update.
83 2000-12-10 Robert Lipe <robertlipe@usa.net>
85 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
88 2000-12-10 Richard Henderson <rth@redhat.com>
90 * genrecog.c (find_operand): Handle 'V' format code.
91 (find_matching_operand): New.
92 (validate_pattern): Accept '=' for an in-out operand if there
93 is another operand with a matching constraint.
95 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
98 2000-12-10 Richard Henderson <rth@redhat.com>
100 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
102 2000-12-09 Richard Henderson <rth@redhat.com>
104 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
105 STRICT_LOW_PART as SET_DEST have in-out constraints.
107 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
109 * c-common.c (check_function_format): Don't suggest adding format
110 attributes to functions with no parameter to which to add them.
112 2000-12-09 Nick Clifton <nickc@redhat.com>
114 * config/arm/arm.c (arm_expand_prologue): Mark the generated
115 insn not the set as being DWARF2_FRAME_RELATED_P.
117 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
119 * Makefile.in: use $(build_exeext) for all build
120 system executable targets.
122 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
124 * install.texi: remove i[345]86-*-winnt3.5 section.
125 * configur.bat: removed.
126 * config/msdos: directory removed.
128 2000-12-09 Neil Booth <neilb@earthling.net>
130 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
131 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
132 * cpplex.c (parse_identifier): Improve diagnostic.
133 (_cpp_lex_token): Return unconditionally at the end of a directive.
134 * cpplib.c (read_flag): Verify legality of each flag.
135 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
136 (do_line): Use the new read_flag.
137 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
138 check_macro_redefinition, parse_params): Rename var_args to
141 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
143 * .cvsignore: Add info files.
145 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
147 * config/winnt: Remove obsolete directory.
148 * install.texi (Configurations): Remove obsolete documentation for
151 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
153 * configure.in: Don't define INSTALL_INFO.
154 * configure: Regenerate.
155 * Makefile.in (INSTALL_INFO): Remove.
156 (info): Depend on info files in source directory.
157 (cpp.info, gcc.info, c-tree.info): Build info files in source
159 (distclean): Don't remove info files.
160 (maintainer-clean): Remove info files from source directory.
161 (install-normal): Depend on install-info.
162 (install-info): Install info files from source directory, if they
164 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
166 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
168 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
169 before taking its NOTE_LINE_NUMBER.
171 2000-12-08 Nick Clifton <nickc@redhat.com>
173 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
175 * extend.texi: Document ARM "interrupt" function attribute.
176 Mention that the ARM also support the "naked" function
179 * config/arm/arm-protos.h (arm_current_func_type): Add
182 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
183 (struct machine_function): Add 'func_type' field.
184 Define bit values for 'func_type' field.
185 (ARM_FUNC_TYPE): New macro.
186 (IS_INTERRUPT): New macro.
187 (IS_VOLATILE): New macro.
188 (IS_NAKED): New macro.
189 (IS_NESTED): New macro.
190 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
192 * config/arm/arm.c (isr_attribute_args): New Structure. A
193 list of "interrupt" function attribute modifiers.
194 (arm_isr_value): New Function: Returns the type of the current
196 (arm_compute_func_type): New Function: Computes the type of
197 the current function.
198 (arm_current_func_type): New Function: Returns the type of the
200 (use_return_insn): Use arm_current_func_type.
201 (arm_valid_type_attribute_p): Accept "interrupt" function
203 (arm_comp_type_attributes): Check "interrupt" attributes.
204 (arm_valid_machine_decl): Accept "interrupt" function
206 (arm_function_ok_for_sibcall): Do not allow interrupt
207 functions to use sibcalls.
208 (arm_naked_function_p): Delete.
209 (print_multi_reg): Remove redundant parameter 'hat'.
210 (arm_compute_save_reg_mask): New Function: Compute a bit mask
211 of registers saved during the current function's prologue.
212 (output_arm_return_instruction): Use arm_current_func_type.
213 Generate return instruction when LR is not poppsed off the
215 (arm_volatile_func): Delete.
216 (output_arm_prologue): Use arm_current_func_type and
217 arm_compute_save_reg_mask.
218 Note presernce of interrupt functions.
219 (arm_output_epilogue): Use arm_current_func_type and
220 arm_compute_save_reg_mask.
221 (arm_expand_prologue): Use arm_current_func_type and
222 arm_compute_save_reg_mask.
223 (arm_init_machine_status): Initialise func_type field, if
225 (thumb_expand_prologue): Use arm_current_func_type.
226 (output_thumb_prologue): Use arm_current_func_type.
228 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
230 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
232 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
234 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
237 2000-12-07 Mike Stump <mrs@wrs.com>
239 * Makefile.in (distclean): Remove alloca.c hashtab.c.
241 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
243 * Makefile.in (HOST_RTL): Add safe-ctype.o.
244 (safe-ctype.o): New rule.
245 * system.h: Include safe-ctype.h, not ctype.h. No need to
248 * cpphash.h: Zap IStable and related macros. Define is_* in
249 terms of safe-ctype.h macros.
250 * cppinit.c: Delete the IStable and all related code.
252 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
253 is_space arrays. Delete initialize_char_syntax. Change all
254 references to the above arrays to use macros instead.
255 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
256 is_nvspace in terms of safe_ctype.h's macros.
257 * tradcif.y: is_idchar, is_idstart are macros not arrays.
259 * config/i370/i370.c, config/winnt/dirent.c,
260 config/winnt/fixinc-nt.c, config/winnt/ld.c:
261 Use uppercase ctype macros. If we included ctype.h,
262 include safe-ctype.h instead.
264 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
265 ISLOWER(c) before calling TOUPPER(c).
266 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
267 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
268 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
270 2000-12-07 DJ Delorie <dj@redhat.com>
272 * c-decl.c (grokdeclarator): preserve previous alignments when
273 rebuilding array types.
275 2000-12-07 Neil Booth <neilb@earthling.net>
277 * cppfiles.c (struct include_file): Move from cpphash.h.
278 (_cpp_never_reread): New function.
279 (open_file, read_include_file): Use it.
280 (stack_include_file): Set the buffer's sysp according to the
281 path in which the file was found.
282 (find_include_file): Don't set sysp.
283 (cpp_make_system_header, actual_directory): Update.
284 (_cpp_execute_include): Do #include_next lookup handling here,
285 not in cpplib.c. Use _cpp_never_reread.
286 * cpphash.h (struct_include_file): Remove.
287 (struct cpp_buffer): New member sysp.
288 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
289 (_cpp_never_reread): New.
290 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
291 (end_directive): Clear line_extension flag.
292 (_cpp_handle_directive): Set line_extension flag for #number.
293 (do_include_next): Handle path lookup in _cpp_execute_include.
294 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
295 (_cpp_do_file_change): Update.
296 (do_pragma_once): Use cpp_never_reread. Clean up.
297 * cpplib.h (struct lexer_state): New member line_extension.
299 2000-12-07 Richard Henderson <rth@redhat.com>
301 * flow.c (calculate_global_regs_live): Force the stack pointer live
302 after reload as well.
304 2000-12-07 Bruce Korb <bkorb@gnu.org>
306 * fixinc/Makefile.*(exeext): the variables are exeext, the
307 substitution expression is build_exeext.
309 2000-12-07 Neil Booth <neilb@earthling.net>
311 * c-common.c (parse_in): Make a cpp_reader *.
312 * cppfiles.c (_cpp_fake_include): Remove.
313 * cpphash.h: Similarly.
314 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
315 #line always creates a callback; FC_RENAME if there are no
317 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
318 The first EOF must be our get_char buffer.
320 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
322 * c-common.c (warn_format_security): New variable.
323 (check_format_info): Warn about non-literal formats with no format
324 arguments if either -Wformat-nonliteral or -Wformat-security is
326 (set_Wformat): Set warn_format_security for settings other than 1.
327 * c-common.h (warn_format_security): Declare.
328 * c-decl.c (c_decode_option): Decode -Wformat-security and
329 -Wno-format-security.
330 * invoke.texi: Document -Wformat-security.
331 * toplev.c (documented_lang_options): Include -Wformat-security
332 and -Wno-format-security.
334 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
336 * c-common.c (check_format_info): Warn for non-constant format
337 strings with strftime formats if -Wformat-nonliteral. Where the
338 format can convert arguments, if the format is not a string
339 literal and there are no arguments to the format, give a different
340 warning message from the general non-string-literal case.
342 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
344 * c-common.c (format_wanted_type): Add reading_from_flag.
345 (print_char_table): Mark %s and %S formats with flag "R".
346 (check_format_info_main): Set up reading_from_flag appropriately.
347 If aflag, always set writing_in_flag rather than relying on the
348 format used being a scanf format and so having it set.
349 (check_format_types): Check for formats reading through null
352 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
354 * invoke.texi (-Wformat): Document what format features are
357 2000-12-06 Kazu Hirata <kazu@hxi.com>
359 * config/h8300/h8300.h: Fix formatting.
361 2000-12-06 Joel Sherrill <joel@OARcorp.com>
363 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
364 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
365 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
366 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
367 config/h8300/rtems.h, config/mips/rtems.h: New files.
369 2000-12-06 Mark Kettenis <kettenis@gnu.org>
371 * config.gcc: Reorganize handling of *-*-gnu*, to share target
372 specific make details with Linux. Update comments to clarify
373 the distinction between GNU/Linux and GNU/Hurd.
375 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
377 * contrib.texi: Fix my email address. Update Per's
378 list of contributions.
380 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
382 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
383 * collect2.c (scan_libraries): Remove unused `ch'.
384 (COFF specific stuff): Prototype ldgetname. Declare and prototype
385 ldbtread and ldclose.
387 * config/alpha/osf.h: Standarize copyright statement.
388 * config/arc/arc.h: Likewise.
389 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
390 * config/arm/arm.c config/arm/arm.h: Likewise.
391 * config/elxsi/elxsi.h: Likewise.
392 * config/i386/sco.h: Likewise.
393 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
394 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
395 * config/m68k/sun3.h: Likewise.
396 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
397 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
398 * config/romp/romp.h: Likewise.
399 * config/rs6000/aix41.h: Likewise.
400 * config/sparc/sysv4.h: Likewise.
401 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
402 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
403 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
404 * longlong.h: Likewise.
405 * libgcc2.c: Likewise.
407 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
409 * machmode.def: Use correct definition for BITSIZE on targets where
412 2000-12-06 Bruce Korb <bkorb@gnu.org>
414 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
417 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
419 * pa.c: Include expr.h before c-tree.h.
420 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
421 instead of reverse_condition.
422 (print_operand): Correct predicates for GT, GE, LT and LE. Add
423 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
425 (cmpib_comparison_operator): Add GEU and LTU codes.
426 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
427 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
428 bordered): New float conditional branch patterns.
430 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
432 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
434 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
436 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
437 backslash and newline, when inside a comment.
439 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
441 * invoke.texi: Use @table @samp instead of @itemize @minus for
442 table of language standards. Fix use of @pxref. From Zack
443 Weinberg. Also exclude specs documentation from generated
444 manpage, and create separate ENVIRONMENT section.
446 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
448 * gcse.c (compute_pre_data): Kill trapping expressions in
449 destination blocks of abnormal edges.
451 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
453 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
454 (mn10300_get_live_callee_saved_regs): Likewise.
455 (mn10300_gen_multiple_store): Likewise.
456 (store_multiple_operation): Likewise.
457 (expand_prologue): Use mn10300_gen_multiple_store().
458 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
459 (mn10300_get_live_callee_saved_regs): Likewise.
460 (mn10300_gen_multiple_store): Likewise.
461 (store_multiple_operation): Likewise.
462 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
463 tied to store_multiple_operation().
465 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
467 * builtins.c (expand_builtin_setjmp_setup): Set
468 current_function_has_nonlocal_label.
470 2000-12-05 Neil Booth <neilb@earthling.net>
472 * cppfiles.c (stack_include_file): Push zero-length buffers
473 in case of failure. Return void, as we don't fail any more.
474 (read_include_file): Check for files we shouldn't re-read.
475 Don't return an error code; errors are implied by marking the
477 (_cpp_execute_include): Move the recursion and in-macro checks
478 here. Update for stack_include_file not failing.
479 * cpplib.c (cpp_push_buffer): Always succeed, since
480 _cpp_execute_include performs the recursion check. Tidy up.
481 * cpplib.h (cpp_push_buffer): Update prototype.
483 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
485 * sched-vis.c (visual_tbl_line_length): New variable.
486 (get_visual_tbl_length): Set it.
487 (visualize_stall_cycles): Don't let stalls overrun
488 visual_tbl_line_length.
490 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
492 * global.c (global_conflicts): Allow for a REG_UNUSED note
493 with a different mode to the REG set in the insn.
495 2000-12-05 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
497 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
499 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
501 2000-12-05 Bruce Korb <bkorb@gnu.org>
503 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
506 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
508 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
509 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
510 to cope with aliased copies.
511 * fixinc/fixincl.x: Regenerate.
513 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
515 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
516 * sched-rgn.c: Likewise.
517 (rgn_print_insn): Fix output.
519 2000-12-05 Bruce Korb <bkorb@gnu.org>
521 * fixinc/Makefile.*: make these more consistent
522 * fixinc/mkfixincl.sh: enable BeOS fixincludes
524 2000-12-05 Richard Henderson <rth@redhat.com>
526 * stmt.c (warn_if_unused_value): Move side effects test earlier.
528 2000-12-05 Alan Modra <alan@linuxcare.com.au>
530 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
533 2000-12-05 Richard Henderson <rth@redhat.com>
535 * flow.c (calculate_global_regs_live): Only force stack pointer
536 live before reload. Force pic register live before reload.
537 (insn_dead_p): Don't protect pic references from deletion.
539 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
541 * invoke.texi: Add support for using texi2pod.pl. Don't use
544 2000-12-04 Nick Clifton <nickc@redhat.com>
546 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
547 'tune_flags' for XScale nature.
548 Remove spurious test of HARD_FLOAT and XScale flags.
550 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
551 contraint, accidentally changed during XScale contribution.
553 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
554 not create these functions if the target architecture does not
555 support Thumb instructions.
557 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
559 * ONEWS: New file with the current contents of NEWS up to EGCS
561 * NEWS: Generate automatically from online release notes from EGCS
562 1.0 to GCC 2.95.2, using ../contrib/gennews.
564 2000-12-04 Neil Booth <neilb@earthling.net>
566 * tradcif.y: Move lexptr to top of file. Add rule to handle
567 assertions in conditional expressions.
568 * tradcpp.c (parse_answer): Assertions do not need to go to
569 end of line in conditional directives.
570 (parse_assertion): Get first character of identifiers correct.
571 (test_assertion): New function.
572 * tradcpp.h (test_assertion): New prototype.
574 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
576 * config.gcc: Fix typo for UnixWare 7.
578 2000-12-03 Phil Edwards <pme@sources.redhat.com>
580 * invoke.texi: Replace `pedwarns' with clearer text.
582 2000-12-04 Bruce Korb <bkorb@gnu.org>
584 * fixinc/Makefile.*(clean): don't clean autogenerated files.
585 (mainainer-clean): clean autogenerated files
587 2000-12-04 DJ Delorie <dj@redhat.com>
589 * md.texi: Add overview, clarify match_dup and define_expand.
591 2000-12-04 DJ Delorie <dj@redhat.com>
593 * print-tree.c (print_node): Target-specific builtins print
596 2000-12-04 Jason Merrill <jason@redhat.com>
598 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
601 * diagnostic.c (report_problematic_module): s/function/module/.
603 * c-lex.h: Remove decl for check_newline.
605 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
607 * README.APOLLO: Remove obsolete file.
609 2000-12-04 Neil Booth <neilb@earthling.net>
611 * cppinternals.texi: New file.
613 2000-12-04 Neil Booth <neilb@earthling.net>
615 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
616 and operate on current buffer.
617 (cpp_read_file): Rename _cpp_read_file.
618 * cpplib.c (do_line, do_pragma_system_header): Update calls to
619 cpp_make_system_header.
620 * fix-header.c: Similarly.
621 * cpphash.h (_cpp_read_file): Move from...
622 * cpplib.h: ... here.
623 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
625 2000-12-03 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
627 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
628 Handle another transformation.
630 2000-12-03 Nick Clifton <nickc@redhat.com>
632 * config.gcc: Add support for StrongARM targets.
633 * config/arm/t-strongarm-elf: New file.
634 * config/arm/t-strongarm-coff: New file.
635 * config/arm/t-strongarm-pe: New file.
636 * config/arm/strongarm-pe.h: New file.
638 2000-12-03 Nick Clifton <nickc@redhat.com>
640 * NEWS: Mention XScale has been added.
641 * config.gcc: Add support for XScale targets.
642 * config/arm/arm.h: Add support for XScale processor.
643 * config/arm/arm.c: Add support for XScale processor.
644 * config/arm/arm.md: Add support for XScale processor.
645 * config/arm/t-xscale-elf: New file.
646 * config/arm/t-xscale-coff: New file.
647 * config/arm/xscale-elf.h: New file.
648 * config/arm/xscale-coff.h: New file.
650 2000-12-03 Richard Henderson <rth@redhat.com>
652 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
653 unless exception handling is enabled, and if not using sjlj.
655 * builtins.c (expand_builtin_setjmp_setup): New.
656 (expand_builtin_setjmp_receiver): New.
657 (expand_builtin_setjmp): Split out _setup and _receiver functions.
658 Move argument parsing in from ...
659 (expand_builtin): ... here.
660 * except.c (receive_exception_label): Branch around receiver
661 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
662 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
663 * expr.h: Update builtin setjmp decls.
665 2000-12-03 Bruce Korb <bkorb@gcc.org>
667 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
668 build machine name. Default to the target.
670 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
672 * Makefile.in: use $(build_canonical), not $(canonical_build).
674 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
676 * Makefile.in (OBJS): Add sched-rgn.o.
677 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
679 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
680 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
681 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
682 MAX_BLOCKAGE_COST): Move to sched-int.h.
683 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
684 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
685 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
686 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
687 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
688 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
689 debug_regions, find_single_block_region, find_rgns, too_large,
690 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
691 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
692 extract_bitlst, bblst, struct candidate, candidate_table,
693 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
694 SRC_PROB, target_bb, split_edges, compute_trg_info,
695 debug_candidate, debug_candidates, bbset, bbset_size, dom,
696 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
697 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
698 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
699 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
700 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
701 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
702 update_live, set_spec_fed, is_pfree, find_conditional_protection,
703 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
704 is_prisky, is_exception_free, add_branch_dependences,
705 propagate_deps, compute_block_backward_dependences,
706 debug_dependencies, is_cfg_nonregular, build_control_flow,
707 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
708 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
709 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
710 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
711 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
712 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
713 rgn_rank, region_sched_info): Move to sched-rgn.c.
714 (debug_reg_vector): Delete useless function.
715 (get_bb_head_tail): Likewise.
716 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
717 no_real_insns_p, rm_line_notes, save_line_notes,
718 restore_line_notes, rm_redundant_line_notes, sched_init): No
720 (rm_line_notes, save_line_notes, restore_line_notes,
721 schedule_block, set_priorities): Change argument to be a real
722 basic block, not one of haifa's "bb"s. All callers changed
723 (rm_other_notes): Initialize note_list here, not in
725 (sched_finish): New function, called from schedule_insn. * *
726 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
727 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
728 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
729 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
730 (get_block_head_tail, no_real_insns_p, rm_line_notes,
731 save_line_notes, restore_line_notes, rm_redundant_line_notes,
732 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
733 sched_init, sched_finish, ready_add, insn_cost): Declare.
735 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
736 Bruce Korb <bkorb@gnu.org>
738 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
739 * fixinc/mkfixinc.sh: accept build system name as an argument.
740 Use it for choosing the fix build method. Use the target for
741 selecting special fix rules.
743 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
745 * Makefile.in (OBJS): Add sched-deps.o.
746 (sched-deps.o): New rule.
747 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
749 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
751 (SIZE_FOR_MODE): Delete unused macro.
752 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
753 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
754 anti_dependency_cache, output_dependency_cache,
755 forward_dependency_cache): Variables moved to sched-deps.c.
756 (add_dependence, remove_dependence, find_insn_list,
757 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
758 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
759 sched_analyze, group_leader, compute_forward_dependences,
760 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
761 Functions moved to sched-deps.c.
762 (schedule_region): Call init_deps_global and finish_deps_global
763 instead of directly manipulating dependency data structures.
764 * sched-deps.c: New file.
765 (init_deps_global, finish_deps_global): New functions.
766 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
769 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
772 * Makefile.in (OBJS): Add sched-vis.o.
773 (sched-vis.o): New rule.
774 * haifa-sched.c (get_unit_last_insn): New function.
775 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
777 (schedule_block): Call visualize_alloc and visualize_free. Delete
778 spurious return statement.
779 (init_target_units, insn_print_units, get_visual_tbl_length,
780 init_block_visualization, print_block_visualization, safe_concat,
781 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
782 print_exp, print_value, print_pattern, print_insn, target_units,
783 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
784 n_vis_no_unit, vis_no_unit): Move scheduling visualization
785 functions/variables...
786 * sched-vis.c: ...here. New file.
787 (visualize_alloc, visualize_free): New functions.
788 (visualize_scheduled_insns, visualize_stall_cycles,
789 print_block_visualization): Lose basic block argument. All callers
791 (visualize_scheduled_insns): Use new function get_unit_last_insn.
792 * sched-int.h (current_sched_info, sched_dump): Declare.
793 (init_target_units, insn_print_units, init_block_visualization,
794 print_block_visualization, visualize_scheduled_inns,
795 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
796 visualize_free): Declare functions.
798 * sched-int.h: New file.
799 * Makefile.in (haifa-sched.o): Depend on it.
800 * haifa-sched.c: Include it.
801 (no_real_insns_p): New function.
802 (current_sched_info): New static variable.
803 (__inline, HAIFA_INLINE): Moved to sched-int.h.
804 (get_block_head_tail): Minor cleanup.
805 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
806 rgn_print_insn, rgn_rank): New functions, broken out of
807 rank_for_schedule, schedule_insn and schedule_block, where they
808 are now called through function pointers in current_sched_info.
809 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
810 print_insn): To display uid and block number, call the print_insn
811 function pointer in current_schedule_info.
812 (region_sched_info): New static variable.
813 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
814 variables, moved out of schedule_block.
815 (schedule_block): Return void. All callers changed.
816 Move some of the setup code into schedule_region. Get head/tail
817 from current_sched_info, and update it when done.
818 (schedule_region): Slightly rearranged, some code moved here from
819 schedule_block. Call no_real_insns_p to avoid doing work for a
820 block that consists only of notes and labels.
821 (schedule_insns): Initialize current_sched_info.
823 2000-12-03 Neil Booth <neilb@earthling.net>
825 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
826 by contexts drops AFTER argument pre-expansion, so that they
827 remain enabled during argument pre-expansion.
828 (_cpp_pop_context): Unconditionally re-enable a macro when
829 dropping a context level.
831 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
833 * arm/t-linux (MULTILIB_OPTIONS): Comment.
834 (MULTILIB_DIRNAMES): Likewise.
835 (EXTRA_MULTILIB_PARTS): Likewise.
837 (INSTALL_LIBGCC): Likewise.
839 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
841 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
842 expand_builtin_strspn, expand_builtin_strcspn): New functions.
843 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
844 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
846 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
847 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
849 * c-common.c (c_common_nodes_and_builtins): Declare builtin
850 strcat, strncat, strspn and strcspn.
851 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
853 * extend.texi (strcat, strcspn, strncat, strspn): Document new
856 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
859 expanding strcmp at compile-time. Add another transformation.
860 (expand_builtin_strncmp): Add more transformations. Call
861 expand_builtin_memcmp, not expand_builtin_strcmp, under
862 appropriate conditions if HAVE_cmpstrsi.
864 2000-12-02 David Edelsohn <edelsohn@gnu.org>
866 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
868 (cr logic): Really make operands sequential.
870 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
872 * c-common.c (combine_strings): When the ISO C standard specifies
873 the maximum length of a string, it doesn't include the trailing
876 * cpplib.c (do_ifdef): Add check_eol() call.
877 (do_ifndef): Likewise.
879 2000-12-02 Daniel Berlin <dberlin@redhat.com>
880 Bruce Korb <bkorb@gnu.org>
882 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
883 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
884 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
885 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
886 use the "__need_" hackery. It breaks them.
887 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
888 Sometimes on DOS and BeOS the temp output file cannot be opened.
889 Skip the file noisily. Ought to be fixed instead.
891 2000-12-02 Bruce Korb <bkorb@gnu.org>
893 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * fixfixes.c (emit_gnu_type, format_write): Prototype.
896 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
897 custom uppercase ctype macros.
898 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
899 Use gcc's custom uppercase ctype macros.
901 (machine_matches): Add static prototype and constify variable.
902 (create_file, test_test, egrep_test): Add static prototype.
903 (quoted_file_exists): Likewise, and constify parameters.
904 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
905 write_replacement, test_for_changes): Add static prototype.
906 (write_replacement, test_for_changes): Delete excess argument to
908 * fixtests.c (test): Make static.
909 * server.c (load_data, sig_handler, server_setup, find_shell): Add
911 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
913 2000-12-02 Bruce Korb <bkorb@gnu.org>
915 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
916 (per Laurynas Biveinis <lauras@softhome.net>)
918 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
920 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
922 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
923 (REGNO_OK_FOR_FOR_BASE_P): Delete.
924 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
925 both strict and non-strict uses.
926 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
927 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
928 (REG_OK_FOR_INDEX_P): Define in terms of above.
929 (REG_OK_FOR_BASE_P): Delete.
930 (REG_OK_FOR_PRE_POST_P): Delete.
931 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
932 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
933 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
934 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
935 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
936 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
937 in pre/post increment cases.
938 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
939 (ARM_LEGITIMIZE_ADDRESS): Similarly.
940 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
941 * arm.c (legitimate_pic_address): Similarly.
943 2000-12-02 Neil Booth <neilb@earthling.net>
945 * tradcpp.c (struct answer, parse_assertion, parse_answer,
946 canonicalize_text, find_answer): New.
947 (do_assert, do_unassert): Provide appropriate function bodies.
948 (union hashval): New member answers.
950 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
952 * config/avr/avr.md: Document UNSPEC usage.
953 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
954 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
955 MEM for program memory word reference. Do not add the label to
956 the table index in each of the asm output templates, instead ...
957 (casesi): ... do it in RTL. Adjust to match the above change.
959 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
961 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
962 * c-decl.c: ... not here.
964 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
965 (old_max_uid): New variable.
966 (compute_forward_dependences): Renamed from
967 compute_block_forward_dependences; changed to accept block head and
968 tail instead of block number. Caller changed.
969 (free_deps, init_dependency_caches, free_dependency_caches,
970 init_regions, sched_init): New functions, split out from
971 schedule_insns and compute_block_backward_dependences.
973 2000-12-02 Neil Booth <neilb@earthling.net>
975 * cppexp.c (parse_number): Update diagnostic test.
977 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
979 * reload1.c (free_for_value_p): New function, frontend to
980 reload_reg_free_for_value_p. All callers of the latter now call
981 this function with an additional mode argument.
983 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
985 * install.texi (Configurations): Remove obsolete documentation for
988 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
990 * install.texi (Installation): Remove obsolete description for
991 libstdc++ which is now an integral part of GCC.
993 2000-12-01 Jim Blandy <jimb@redhat.com>
995 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
996 invisible reference in registers, but then spilled to the stack.
997 Remove code to emit a second stab for such parameters; it attempts
998 to describe the value's location by introducing a synthetic C++
999 `reference' type, and then saying the stack slot has that
1000 reference type. This loses type information (breaking GDB's
1001 `ptype' command, among other things) just to describe a location
1002 which stabs can represent correctly in other ways.
1004 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1006 * final.c (output_addr_const) <PLUS>: Don't assume at least one
1007 operand is a CONST_INT.
1009 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
1010 (machine_dependent_reorg): Split all insns.
1011 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
1012 reg_class_contents[SIBCALL_REGS].
1013 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
1014 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
1015 call_value_pcrel, call, call_value, sibcall): Match even when
1017 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
1019 (sibcalli): Likewise.
1021 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1023 * c-common.c (warn_format, warn_format_y2k,
1024 warn_format_extra_args, warn_format_nonliteral): Define.
1025 (check_format_info): Check warn_format_nonliteral and
1026 warn_format_extra_args.
1027 (check_format_info_main): Check warn_format_y2k.
1028 (set_Wformat): New function.
1029 * c-common.h (warn_format_y2k, warn_format_extra_args,
1030 warn_format_nonliteral, set_Wformat): Declare.
1031 * c-decl.c (warn_format): Remove definition.
1032 (c_decode_option): Handle -Wformat-nonliteral,
1033 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
1035 * invoke.texi: Document these new options and -Wformat=2.
1036 * toplev.c (documented_lang_options): Add these new options.
1038 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1040 * builtins.def (BUILT_IN_IMAXABS): Add.
1041 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
1042 * c-common.c (c_common_nodes_and_builtins): Create builtin
1043 functions __builtin_imaxabs, and plain imaxabs unless
1044 flag_no_nonansi_builtin outside C99 mode.
1045 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
1046 * extend.texi: Document builtin imaxabs.
1048 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1050 * c-common.c: Include "defaults.h".
1051 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
1052 (c_common_nodes_and_builtins): Create string_type_node,
1053 const_string_type_node, wint_type_node, intmax_type_node,
1054 uintmax_type_node, default_function_type, ptrdiff_type_node and
1055 unsigned_ptrdiff_type_node.
1056 * c-common.h (identifier_global_value): Declare.
1057 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
1058 (init_decl_processing): Don't create string_type_node,
1059 const_string_type_node, wint_type_node, intmax_type_node,
1060 uintmax_type_node, default_function_type, ptrdiff_type_node and
1061 unsigned_ptrdiff_type_node.
1062 (identifier_global_value): New function.
1064 2000-12-01 Neil Booth <neilb@earthling.net>
1066 * cppinit.c (initialize): Forgotten prototype.
1067 * cpplex.c (_cpp_lex_token): Loop until not skipping.
1068 Always clear PREV_WHITE upon meeting a new line.
1069 * cpplib.c (end_directive): Set pfile->skipping after
1071 * cpplib.h (cpp_reader): Remove macro_pos.
1072 * cppmacro.c (cpp_get_line): Don't do anything special inside
1074 (parse_arg): Add PREV_WHITE if a token appears after new lines.
1075 (funlike_invocation_p): Save and restore the output position
1076 over a successful check for a '('.
1077 (enter_macro_context): Delete uses of macro_pos.
1078 (cpp_get_token): Don't use pfile->skipping.
1080 2000-12-01 Phil Edwards <pme@sources.redhat.com>
1082 * diagnostic.c: Fix typos in comments.
1083 * diagnostic.h: Likewise.
1085 2000-11-30 Phil Edwards <pme@sources.redhat.com>
1087 * rtl.texi (Machine Modes): Document BImode and OImode.
1089 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1091 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
1094 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1096 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
1097 incomplete element type.
1098 (grokparms): Before checking for incomplete parameter type, check
1099 the type isn't error_mark_node.
1101 2000-12-01 Jakub Jelinek <jakub@redhat.com>
1103 * builtins.c (target_char_cast): New function.
1104 (expand_builtin_strchr): Use it.
1105 (expand_builtin_strrchr): Use it.
1106 (builtin_memset_read_str): New function.
1107 (expand_builtin_memset): Use target_char_cast.
1108 Try to optimize memset with second argument non-zero using
1111 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
1113 * install.texi (avr): Replace incomplete list of supported MCU
1114 types with a link to the current one ...
1115 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
1116 all supported MCU types. Document -minit-stack= default.
1117 Document new options -mno-tablejump, -mtiny-stack.
1118 * md.texi (AVR family): Fix typo in 'w' constraint letter
1119 description. Document 'q'. Update 'O'.
1121 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
1123 * combine.c (cant_combine_insn_p): Only disallow insns involving
1124 hard regs if they are reg-reg moves.
1125 (try_combine, can_combine_p, combinable_i3pat): Delete old
1126 SMALL_REGISTER_CLASSES tests.
1128 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1130 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
1131 whether X is a CONST_INT.
1132 (addsubcosts): Likewise.
1134 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
1136 (ARG_POINTER_REGNUM): Set to AP_REG.
1138 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1140 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
1141 splits): Only match on TARGET_SH4.
1143 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
1144 of subsequent insns.
1146 2000-11-30 Richard Henderson <rth@redhat.com>
1148 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
1149 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1151 2000-11-30 Richard Henderson <rth@redhat.com>
1153 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
1154 (DO_SELECT_SECTION): New.
1155 (SELECT_SECTION): Use it.
1156 (UNIQUE_SECTION_P): New.
1157 (UNIQUE_SECTION): New.
1159 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1161 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
1162 from va_list before using it.
1164 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
1166 * flow.c (make_edge): Early out, if no flags to set.
1167 (calculate_global_regs_live): Clear out garbage only when necessary.
1169 * simplify-rtx.c (varray_type used_regs): New.
1170 (clear_table): Use it to only clear necessary items.
1171 (cselib_lookup, cselib_record_set): Remember newly set items.
1172 (cselib_update_varray_sizes, cselib_init): Initialize and grow
1175 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
1176 Move clearing of dead regs out of insn-loop.
1178 2000-11-30 Richard Henderson <rth@redhat.com>
1180 * calls.c (expand_call): Emit queued insns before creating
1181 the tail recursion sequence.
1183 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
1184 Bruce Korb <bkorb@gnu.org>
1186 * fixinc/inclhack.def(): prevent dual double definition protection
1187 * fixinc/fixincl.x: regenerate
1189 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
1191 * fixinc/Makefile.in (fixincl.x): Explicitly state the
1192 location of the generated file.
1194 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1196 * README.FRESCO: Remove obsolete file.
1198 2000-11-30 Mark Kettenis <kettenis@gnu.org>
1200 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
1201 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
1202 config/t-linux for the Hurd.
1204 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1206 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
1207 config/mn10200/udivmodsi4.c: Moved from here.
1208 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
1209 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
1210 C division functions.
1211 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
1213 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
1215 * pa.md (conditional moves): Avoid holes in operand list.
1216 (mod, umod patterns): Similarly.
1217 (variable extract/shift patterns): Similarly.
1219 2000-11-30 Neil Booth <neilb@earthling.net>
1221 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
1222 maybe_objc_check_decl, build_objc_string_object,
1223 objc_declare_alias, objc_declare_class, build_message_expr,
1224 build_protocol_expr, build_selector_expr, build_encode_expr,
1225 get_class_ivars, start_class, start_protocol): Remove
1226 redundant code, assuming doing_objc_thang is true.
1228 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1230 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
1231 (record_unscaled_index_insn_codes): Likewise.
1232 (unscaled_index_insn_codes): Delete.
1233 (max_unscaled_index_insn_codes_uid): Delete.
1234 (output_function_prologue, output_function_epilogue, pa_reorg):
1235 Don't use the unscaled index insn hack.
1237 * pa.md: Remove hack from all index insns to reverse the operand
1238 order of frame and stack pointer references incorrectly created
1241 * function.h (emit_status): Delete member regno_pointer_flag and
1242 rename regno_pointer_flag_length to regno_pointer_align_length.
1243 Delete define for REGNO_POINTER_FLAG.
1244 * integrate.h (inline_remap): Delete member regno_pointer_flag.
1245 Add member x_regno_reg_rtx.
1246 * rtl.h (rtx_def): Use frame_related bit to indicate register is
1247 a pointer in REG expressions. Define REG_POINTER macro.
1248 * alias.c (find_base_value, find_base_term): Use REG_POINTER
1249 instead of REGNO_POINTER_FLAG.
1250 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
1251 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
1252 of regno_pointer_flag_length. Remove code which refers to
1254 (mark_reg_pointer): Use REG_POINTER.
1255 (free_emit_status): Remove code which refers to regno_pointer_flag.
1256 (init_emit, mark_emit_status): Likewise.
1257 * flow.c (dump_flow_info): Likewise.
1258 * function.c (preserve_temp_slots): Likewise.
1259 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
1260 Use x_regno_reg_rtx instead of regno_pointer_flag for function
1261 pointer determination in map.
1262 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
1263 * predict.c (estimate_probability): Likewise.
1264 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
1265 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
1266 regno_pointer_flag for function pointer determination in map.
1267 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
1269 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
1271 (restore_unscaled_index_insn_codes): Revise comment.
1273 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
1275 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
1277 * extend.texi: Update documentation for attributes.
1279 2000-11-29 David O'Brien <obrien@FreeBSD.org>
1281 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
1282 (ASM_DECLARE_OBJECT_NAME): Same.
1283 (ASM_FILE_END): Same.
1284 (ASM_FINISH_DECLARE_OBJECT): Same.
1285 (ASM_IDENTIFY_GCC): Same.
1286 (ASM_IDENTIFY_LANGUAGE): Same.
1287 (ASM_OUTPUT_CONSTRUCTOR): Same.
1288 (ASM_OUTPUT_DEF): Same.
1289 (ASM_OUTPUT_DESTRUCTOR): Same.
1290 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
1291 (ASM_OUTPUT_SECTION_NAME): Same.
1292 (ASM_WEAKEN_LABEL): Same.
1293 (BSS_SECTION_ASM_OP): Same.
1294 (COMMON_ASM_OP): Same.
1295 (CONST_SECTION_ASM_OP): Same.
1296 (CONST_SECTION_FUNCTION): Same.
1297 (CTORS_SECTION_ASM_OP): Same.
1298 (DTORS_SECTION_ASM_OP): Same.
1300 (FINI_SECTION_ASM_OP): Same.
1301 (IDENT_ASM_OP): Same.
1302 (IDENT_ASM_OP): Same.
1303 (INIT_SECTION_ASM_OP): Same.
1305 (MAX_OFILE_ALIGNMENT): Same.
1306 (SBSS_SECTION_ASM_OP): Same.
1307 (SDATA_SECTION_ASM_OP): Same.
1308 (SECTION_FUNCTION_TEMPLATE): Same.
1309 (SELECT_SECTION): Same.
1310 (SE_CONST_SECTION): Same.
1311 (SIZE_ASM_OP): Same.
1312 (SKIP_ASM_OP): Same.
1313 (STRING_ASM_OP): Same.
1314 (STRING_LIMIT): Same.
1315 (TYPE_ASM_OP): Same.
1316 (TYPE_OPERAND_FMT): Same.
1318 2000-11-29 Neil Booth <neilb@earthling.net>
1320 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1321 * objc/lang-options.h: Remove -lang-objc.
1322 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1323 * objc/objc-act.c (lang_init_options): Set c_language.
1325 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1327 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1330 2000-11-29 Neil Booth <neilb@earthling.net>
1332 * c-pragma.c (init_pragma): Update for parse_in type change.
1334 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1336 * configure.in: recognize DOS-style absolute paths.
1338 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1340 * expr.h (store_by_pieces): Add prototype.
1341 (can_store_by_pieces): Likewise.
1342 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1343 (can_store_by_pieces): New.
1344 (store_by_pieces): New.
1345 (clear_by_pieces): New.
1346 (clear_by_pieces_1): New.
1347 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1348 arbitrary compiler generated constants into memory block.
1349 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1350 * builtins.c (c_readstr): New.
1351 (builtin_memcpy_read_str): New.
1352 (expand_builtin_memcpy): If src is string constant and
1353 emit_block_move would move it by pieces, compute integer constants
1354 from the string and store it into memory block instead.
1355 (builtin_strncpy_read_str): New.
1356 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1357 not return INTEGER_CST, don't optimize.
1358 If N is larger than strlen(src) + 1, try to copy the string
1359 including padding with store_by_pieces.
1360 (expand_builtin_strcmp): If both arguments have side effects, don't
1362 (expand_builtin_fputs): If STR has side effects, don't optimize.
1364 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1366 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1367 Add use of link register.
1369 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1371 * extend.texi: Update documentation for default format attributes.
1373 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1375 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1376 a list, to keep track of the sections.
1378 2000-11-28 Nick Clifton <nickc@redhat.com>
1380 * config/arm/arm.md (pic_load_addr): Split into
1381 pic_load_addr_arm and pic_load_addr_thumb.
1383 * config/arm/arm.c (legitimize_pic_address): Generate either
1384 ARM or Thumb versions of pic_load_addr.
1385 (arm_finalize_pic): Generate either ARM or Thumb versions of
1388 2000-11-28 Richard Henderson <rth@redhat.com>
1390 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1391 after sibcall do_pending_stack_adjust.
1393 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1395 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1398 2000-11-28 Neil Booth <neilb@earthling.net>
1400 * c-common.h: Remove flag_digraphs.
1401 * c-decl.c: Remove flag_digraphs.
1402 (c_decode_option): Don't set it.
1403 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1405 2000-11-28 Richard Henderson <rth@redhat.com>
1407 * c-parse.in (finish_parse): Update for parse_in type change.
1410 2000-11-28 Neil Booth <neilb@earthling.net>
1412 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1413 indicating whether to scan all buffers on the stack or
1415 * cppinit.c (do_includes): Update.
1416 * cppmain.c (main): Update.
1417 * cpplib.h: Update prototype.
1419 2000-11-28 Richard Henderson <rth@redhat.com>
1421 * genoutput.c (validate_insn_operands): New.
1422 (gen_insn): Call it.
1424 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1425 (divmoddi_internal): Likewise.
1426 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1427 * config/i960/i960.md (branch patterns): Likewise.
1428 * config/ia64/ia64.md (tbit_and_0): Likewise.
1429 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1430 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1431 * config/mips/mips.md (divmodsi4_internal): Likewise.
1432 (divmoddi4_internal): Likewise.
1433 * config/rs6000/rs6000.md (call patterns): Likewise.
1434 * config/sh/sh.md (movsi_y): Likewise.
1435 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1437 2000-11-28 Richard Henderson <rth@redhat.com>
1439 * config.gcc: Kill residual pyramid support.
1441 2000-11-28 Neil Booth <neilb@earthling.net>
1443 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
1444 * c-decl.c (c_decode_option): Update to match.
1445 * c-lex.c (init_c_lex, yyparse): Update to match.
1446 * c-lang.c (lang_init_options): Use cpp_create_reader.
1447 * cppinit.c (cpp_init): Rename initialize.
1448 (cpp_reader_init): Rename cpp_create_reader. Create the
1449 reader. Initialize cpplib if appropriate.
1450 * cpplib.h (cpp_create_reader) New prototype.
1451 (cpp_init, cpp_reader_init): Delete prototypes.
1452 * cppmain.c (general_init, setup_callbacks): New functions.
1454 * fix-header.c (scan_in): Change type to cpp_reader *.
1455 (read_scan_file): Update for new cpplib interface and scan_in type.
1457 * cp/decl.c (parse_in): Change to cpp_reader *.
1458 (lang_decode_option): Update.
1459 * cp/lex.c (lang_init_options): Use new cpplib interface.
1460 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
1461 * cp/spew.c (read_token): Update.
1462 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
1464 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1466 * loop.c (load_mems): Avoid using next_label to find end_label. If
1467 jumping outside of the loop (other than loop end), don't hoist MEMs
1470 2000-11-28 Jan Hubicka <jh@suse.cz>
1472 * calls.c (expand_call): Don't disable tail recursion based
1475 2000-11-28 Neil Booth <neilb@earthling.net>
1477 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
1478 (struct directive): Drop 4th argument from handlers.
1479 (do_define, do_line, do_include, do_undef, do_else, do_elif,
1480 do_endif): Similarly.
1481 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
1482 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
1483 (make_definition, make_undef): Take a const char*.
1484 (make_assertion): New function.
1485 (struct directive_table): Update.
1486 (main): Handle -A command line argument.
1487 (handle_directive): Drop fourth handler argument.
1489 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
1491 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
1492 is anything but REG or MEM, but look inside STRICT_LOW_PART.
1494 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1496 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
1497 (IS_ABSOLUTE_PATHNAME): New macro.
1498 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
1500 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1502 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
1504 2000-11-27 Jim Wilson <wilson@redhat.com>
1506 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
1508 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
1510 * extend.texi (Nested Functions): Update URL of Usenix paper.
1512 2000-11-27 Mark Mitchell <mark@codesourcery.com>
1514 * function.c (free_after_compilation): Clear x_clobber_return_insn.
1516 2000-11-27 Neil Booth <neilb@earthling.net>
1518 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
1519 command line options.
1520 (cpp_handle_option): Similarly.
1521 * cpplib.h (struct cpp_options): Remove warn_paste.
1522 * cppmacro.c (paste_tokens): Apart from assembler, make
1523 unpasteable token warning mandatory.
1525 2000-11-27 Neil Booth <neilb@earthling.net>
1527 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
1528 (main): Allocate a pending directive set of these. Use it.
1529 Merge handling of -D and -U. Update handling of pending
1530 directives. Free the memory after use.
1532 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1534 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
1535 (struct propagate_block_info): Add new member cond_local_set.
1536 (propagate_block): Accept new arg cond_local_set. All callers
1538 (init_propagate_block_info): Likewise.
1539 (calculate_global_regs_live): Allocate & free cond_local_set. Always
1540 rescan if there's overlap between cond_local_set and new_live_at_end.
1541 (mark_set_1): Set bits either in cond_local_set or local_set, as
1543 * basic-block.h (struct basic_block_def): New field cond_local_set.
1544 (propagate_block, init_propagate_block_info): Update prototypes.
1546 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
1548 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
1551 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1553 * arm.c (select_dominance_cc_mode): Handle new way that combine
1554 canonicalizes conditional compares.
1555 (arm_select_cc_mode): Likewise.
1556 * arm.md: Garbage collect some dead code.
1557 (cmp_and, cmp_ior): New patterns.
1558 (splitter for conditional move with inverted false): Use cond_exec
1559 and handle unordered comparisons.
1561 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
1563 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
1564 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
1565 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
1566 ix86_force_to_memory and ix86_free_from_memory.
1568 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1570 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
1571 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
1572 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
1573 one_cmpldi2): Merge with splitters to create define_insn_and_split
1574 patterns. Remove redundant splits.
1575 (peephole2 for add:SI of invalid immediate): New.
1576 (peephole2 for minus:SI of invalid immediate): New.
1577 (peephole2 for ior:SI of invalid immediate): New.
1578 (peephole for merge of move and compare): Convert ot peephole2.
1579 (addsf3, adddf3): Mark as commutative.
1581 * arm.md (thumb peephole for merging stack adjustments): Convert to
1584 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1586 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
1588 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
1589 (reload_cse_simplify_operands): Do nothing about operands where both
1590 the operand and the match_operand fail to give us a mode.
1591 * simplify-rtx.c (wrap_constant): New function.
1592 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
1593 CONST describing the proper mode.
1594 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
1596 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
1597 htab_find_slot_with_hash.
1598 (cselib_lookup): Likewise.
1600 Based on a patch from Geoff Keating <geoffk@redhat.com>:
1601 * loop.c (basic_induction_var): If a REG is set from something
1602 that is not a biv, then the REG is not a biv. Even if it is
1603 earlier set from something that is a biv.
1605 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
1607 * configure.in (extra_objs): Enclose extra_headers in quotes.
1608 * configure: Rebuilt.
1610 2000-11-27 Neil Booth <neilb@earthling.net>
1612 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
1613 Combine into the new function cb_change_file.
1614 (init_c_lex): Update.
1615 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
1616 (cpp_syshdr_flags): Delete.
1617 * cpphash.h (_cpp_do_file_change): New prototype.
1618 Move struct cpp_buffer here from...
1619 * cpplib.h (struct cpp_buffer): ... here.
1620 (enum cpp_fc_reason, struct cpp_file_loc,
1621 struct_cpp_file_change, change_file): New.
1622 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
1623 * cpplib.c (do_line): Update for new cb_change_file callback.
1624 (_cpp_do_file_change): New function.
1625 (_cpp_pop_buffer): Update to use it.
1626 * cppmain.c (move_printer): Delete.
1627 (main): Set up single callback cb_change_file.
1628 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
1629 (cb_change_file): New.
1630 * fix-header.c (cur_file, cb_change_file): New.
1631 (recognized_function, read_scan_file): Update.
1632 * scan-decls.c (scan_decls): Update.
1633 * scan.h (recognized_function): Update prototype.
1635 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1637 * tree.h (mark_tree_hashtable): New function.
1638 * tree.c (mark_tree_hashtable_entry): New function.
1639 (mark_tree_hashtable): Likewise.
1641 2000-11-27 Michael Meissner <meissner@redhat.com>
1643 * d30v-protos.h (srelational_si_operator): Correctly spell
1645 (urelational_si_operator): Ditto.
1646 (relational_si_operator): Ditto.
1647 (d30v_expand_prologue): Add prototype.
1648 (d30v_expand_epilogue): Ditto.
1650 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
1652 * d30v.md (movcccc_*): Delete now unused patterns.
1653 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
1655 (define_cond_exec): Use 'b' to select branch flags.
1657 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
1661 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
1663 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
1665 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1666 strncpy and strncmp.
1668 * extend.texi (strncmp, strncpy): Document new builtins.
1670 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1672 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1673 a list, to keep track of the sections.
1674 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
1675 parameter provided will always be a canonical string.
1677 2000-11-26 Neil Booth <neilb@earthling.net>
1679 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
1682 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
1684 * makefile.vms: Remove EGCS references.
1686 2000-11-26 Ulrich Drepper <drepper@redhat.com>
1688 * dwarf2out.c (output_file_names): New function. Compute minimal
1689 combination of directory and file name table and emit them.
1690 (output_line_info): Remove code to emit directory and file name
1691 table and call output_file_names instead.
1692 (file_info_cmp): Helper function to sort directory names.
1694 2000-11-26 Neil Booth <neilb@earthling.net>
1696 * cpplib.h (struct cpp_reader): Remove lang_asm.
1697 (struct cpp_options): Remove c89. New members lang,
1699 * cppexp.c (parse_number): Use them.
1700 * cpphash.h (VALID_SIGN): Use them.
1701 * cppinit.c (set_lang, cpp_start_read): Update.
1702 * cpplex.c (parse_string, _cpp_lex_token): Update.
1703 * cpplib.c (_cpp_handle_directive): Update.
1704 * cppmacro.c (parse_args): Update.
1705 * cppmain.c (scan_buffer): Update.
1707 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1709 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
1712 2000-11-26 Neil Booth <neilb@earthling.net>
1714 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
1715 * c-decl.c: Remove parse_in declaration.
1716 * c-lang.c: Similarly.
1717 * c-lex.c: Similarly.
1718 * c-parse.in: Similarly.
1719 * c-pragma.c: Similarly.
1720 * configure.in: Similarly.
1721 * cp/Make-lang.in: Similarly.
1722 * cp/spew.c: Similarly.
1723 * cp/decl2.c: Remove check for lang-c++ option.
1724 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
1725 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
1726 * c-lex.h: Add declaration of parse_in.
1727 * cppinit.c: Call set_lang after allocating pfile->pending.
1728 * configure: Regenerate.
1730 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
1732 * combine.c (try_combine): Remove redundant test.
1734 2000-11-25 Richard Henderson <rth@redhat.com>
1736 * c-common.h (DECL_C_HARD_REGISTER): New.
1737 * c-decl.c (finish_decl): Set it for asm register variables.
1738 * c-semantics.c (emit_local_var): Test it when instantiating one.
1740 2000-11-25 Richard Henderson <rth@redhat.com>
1742 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
1743 lineno for the start of the function.
1745 2000-11-25 Richard Henderson <rth@redhat.com>
1747 * dwarf2out.c (file_table, file_table_allocated): Remove.
1748 (file_table_allocated): Remove.
1749 (struct file_table): New.
1750 (decl_file_table, line_file_table): New.
1751 (print_dwarf_line_table): Use them.
1752 (size_of_line_prolog): Likewise.
1753 (output_line_info): Likewise.
1754 (add_src_coords_attributes): Likewise.
1755 (gen_subprogram_die): Likewise.
1756 (gen_variable_die): Likewise.
1757 (dwarf2out_add_library_unit_info): Likewise.
1758 (dwarf2out_line): Likewise.
1759 (lookup_filename): Take a struct file_table argument.
1760 (init_file_table): New.
1761 (dwarf2out_init): Use it.
1763 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
1765 * invoke.texi: Update sequence points references.
1767 2000-11-25 Neil Booth <neilb@earthling.net>
1769 * c-common.c: Remove USE_CPPLIB conditional inclusions.
1770 * c-common.h: Similarly.
1771 * c-decl.c: Similarly.
1772 * c-lang.c: Similarly.
1773 * c-lex.c: Similarly.
1774 * c-parse.in: Similarly.
1775 * c-pragma.c: Similarly.
1776 * c-pragma.h: Similarly.
1778 * toplev.c: Similarly.
1779 * cp/cp-tree.h: Similarly.
1780 * cp/decl2.c: Similarly.
1781 * cp/lang-specs.h: Similarly.
1782 * cp/lex.c: Similarly.
1783 * cp/lex.h: Similarly.
1784 * cp/spew.c: Similarly.
1785 * java/lang-options.h: Similarly.
1786 * objc/lang-specs.h: Similarly.
1787 * objc/objc-act.c: Similarly.
1789 * configure.in: Remove configure option.
1790 * config.in: Regenerate.
1791 * configure: Regenerate.
1793 2000-11-25 Richard Henderson <rth@redhat.com>
1795 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
1796 Revert 2000-11-22 change.
1798 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
1800 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
1803 2000-11-25 Philipp Thomas <pthomas@suse.de>
1804 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
1805 * configure: Rebuilt.
1807 2000-11-25 Jakub Jelinek <jakub@redhat.com>
1809 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
1810 Handle CONST_INT as second argument.
1811 * config/sparc/sparc.c (set_extends): Remove first argument.
1812 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
1814 (sparc_check_64): Abort if first argument is not REG.
1815 If it is DImode REG, look at the lower register of the register
1818 * config/sparc/sparc.c (load_pic_register, restore_regs,
1819 output_return, sparc_v8plus_shift, sparc_function_profiler,
1820 sparc_function_block_profiler, sparc_block_profiler): Fix output
1823 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
1825 * config/sh/sh.h (TARGET_NONE): New.
1826 (TARGET_SWITCHES): For all variant-selecting switch, use
1827 TARGET_NONE to reset all other variant-selecting switch. Added
1828 empty strings to avoid warnings.
1829 (TARGET_DEFAULT): Set to SH1_BIT.
1831 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
1834 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
1835 (sibcall_pcrel): New insn_and_split.
1836 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1838 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
1839 symPLT_label2reg, call, call_value): Don't set
1840 current_function_uses_pic_offset_table.
1841 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
1842 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
1843 takes it into account.
1844 (FINALIZE_PIC): Delete, useless.
1845 (LEGITIMATE_CONSTANT_P): Delete, unused.
1846 * config/sh/sh.c (sh_expand_prologue): Don't use
1847 current_function_uses_pic_offset_table. Don't special-case
1848 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
1850 (sh_expand_epilogue, initial_elimination_offset): Don't
1851 special case PIC_OFFSET_TABLE_REGNUM.
1853 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
1855 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
1856 * config/sh/sh.md (UNSPEC_CALLER): New constant.
1857 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
1858 (call_pcrel, call_value_pcrel): New insn_and_splits.
1859 (call, call_value): Use them.
1860 (call_site): New expand.
1861 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
1862 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
1863 Output call_site label.
1864 (PREDICATE_CODES): Added symbol_ref_operand.
1865 * config/sh/sh.c (symbol_ref_operand): Define.
1866 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
1867 to CALL_INSNs in the split sequence.
1869 2000-11-24 Nick Clifton <nickc@redhat.com>
1871 * config.gcc (v850-*-*): Define c_target_objs and
1874 * config/v850/t-v850: Define how to build v850-c.o
1876 * config/v850/v850.h (struct data_area_stack_element): Move
1877 definition here from v850.c.
1879 * config/v850v850.c: Include gcc.h to avoid compile time
1881 (push_data_area): Move to v850-c.c.
1882 (pop_data_area): Move to v850-c.c.
1883 (mark_current_function_as_interrupt): Move to v850-c.c.
1884 (GHS_default_section_names): Allow to be exported.
1885 (GHS_current_section_names): Allow to be exported.
1886 (data_area_stack_elements): Allow to be exported.
1887 (ghs_pragma_section): Move to v850-c.c.
1888 (ghs_pragma_interrupt): Move to v850-c.c.
1889 (ghs_pragma_starttda): Move to v850-c.c.
1890 (ghs_pragma_startsda): Move to v850-c.c.
1891 (ghs_pragma_startzda): Move to v850-c.c.
1892 (ghs_pragma_endtda): Move to v850-c.c.
1893 (ghs_pragma_endsda): Move to v850-c.c.
1894 (ghs_pragma_endzda): Move to v850-c.c.
1896 * config/v850/v850-c.c: New file: Contains v850 specific
1897 pragma parsing functions.
1899 2000-11-24 Nick Clifton <nickc@redhat.com>
1901 * config.gcc (extra_objs): Remove duplicate description.
1902 (c_target_objs): New variable. Contains target specific
1903 object files for the gcc C compiler only.
1904 (cxx_target_objs): New variable. Contains target specific
1905 object files for the gxx C++ compiler only.
1907 * configure.in (c_target_objs): Substitute in the makefile.
1908 (cxx_target_objs): Substitute in the makefile.
1909 * configure: Regenerate.
1911 * Makefile.in (C_TARGET_OBJS): Define and initialise from
1913 (CXX_TARGET_OBJS): Define and initialise from
1915 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1917 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1919 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1920 about how the use of the 'c_lex' function requires the use of
1921 the target specific, language specific object files feature of
1922 the configuration mechanism.
1924 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1926 * gcc.c (process_command): Use F_OK, not R_OK.
1928 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1930 * flow.c (print_rtl_and_abort): Remove ANSIism.
1932 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1934 * config/sh/sh.h (GENERAL_REGISTER_P,
1935 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1936 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1938 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1939 * config/sh/sh.c: Use new macros.
1940 * config/sh/sh.md: Likewise.
1942 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1944 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1945 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1948 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1950 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1952 (machine_dependent_reorg): Wrong optimization based on
1953 NOTICE_UPDATE_CC removed.
1955 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1957 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1958 (delete_insn): Look for REG_LABEL notes.
1959 (redirect_tablejump): Delete feeding insns.
1961 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1963 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1964 call_value_pop_1): Make sure operand numbers are contiguous.
1966 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1968 * reload1.c (conflicts_with_override): New function.
1969 (emit_input_reload_insns): Use it to tighten test for validity
1970 of substituting into output of previous insn.
1972 * haifa-sched.c (struct ready_list): New.
1973 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1975 (schedule_insn): Replace args READY and N_READY with a pointer to a
1976 ready_list; return void. Use the new functions to access the ready
1977 list. All callers changed.
1978 (queue_to_ready, debug_ready_list): Likewise.
1979 (schedule_block): Initialize a ready_list structure. Use new
1980 functions to access it.
1981 (max_priority): Remove unused variable.
1982 (schedule_insn): Don't set it.
1984 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
1986 * combine.c (cant_combine_insn_p): New function.
1987 (try_combine): Use it.
1989 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
1990 * c-common.c (c-obstack.c): Include "obstack.h".
1991 (struct reverse_tree): Delete.
1992 (reverse_list, reverse_max_depth): Delete.
1993 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
1994 (struct tlist, struct tlist_cache): New.
1995 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
1996 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
1997 warn_for_collisions, warn_for_collisions_1, new_tlist): New
1999 (verify_sequence_points): Rewritten.
2000 * fold-const.c (fold): Don't lose possibly important sequence
2001 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
2003 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
2005 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
2006 when reversing a register-to-register copy. Reversal now disabled
2007 when the previous instruction has a REG_EQUIV.
2009 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
2011 * c-parse.in (unary_expr): Move VA_ARG from here ...
2012 (primary): ... to here.
2014 2000-11-23 Graham Stott <grahams@redhat.com>
2016 * expr.c (store_constructor): If a field is non addressable and
2017 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
2019 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
2021 * flow.c (print_rtl_and_abort): New function.
2022 (verify_wide_reg, verify_local_live_at_start): Try to dump more
2023 information before aborting.
2025 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
2027 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
2028 is narrower than requested mode.
2029 (gen_highpart): Abort if register mode is narrower than
2032 2000-11-23 Graham Stott <grahams@redhat.com>
2034 * cse.c (cse_insn): Initialise all regcost variables.
2035 Fix a typo add missing '='.
2036 Only compare costs if there is a replacement insn.
2038 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
2040 * final.c (output_addr_const) [LABEL_REF]: Simplify.
2041 [MINUS]: Enclose non-CONST_INTs in parentheses.
2042 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
2043 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
2044 * varasm.c (decode_rtx_const) [CONST]: If it's not something
2045 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
2046 instead of abort()ing.
2047 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
2048 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
2049 formerly handled in output_pic_addr_const.
2050 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
2051 operands of MINUS in CONSTs so that decode_rtx_const() will
2054 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
2056 * config/sh/sh.md (mova_const): New pattern.
2057 (GOTaddr2picreg): Use it.
2058 * config/sh/sh.c (broken_move): Match it.
2059 (mova_p): Don't match it.
2060 (machine_dependent_reorg): Adjust it.
2062 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
2064 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
2065 Moved most register-number #defines...
2066 * config/sh/sh.md (define_constants): ... here. Use macros to
2067 refer to registers and unspecs.
2068 * config/sh/sh.c: Likewise.
2070 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
2072 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
2073 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
2074 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2075 (splay-tree.o, hash.o): Likewise.
2077 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
2078 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2079 (hashtab.o): Likewise.
2080 (gcov.o): Depend on $(CONFIG_H).
2081 * configure.in: #include insn-codes.h in tm.h.
2083 2000-11-22 Nick Clifton <nickc@redhat.com>
2085 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
2086 const char * to avoid a compile time warning.
2088 * config/arm/arm.md (define_constants): Define symbolic names for
2089 the link register, last integer register and the fake CC register.
2090 Update patterns to use these symbolic names.
2092 2000-11-22 Neil Booth <neilb@earthling.net>
2094 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
2095 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
2097 2000-11-22 Richard Henderson <rth@redhat.com>
2099 * haifa-sched.c (sched_analyze_1): Don't special-case calls
2100 for clobbering registers.
2101 (sched_analyze_2): Likewise.
2102 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
2104 2000-11-22 Chris Demetriou <cgd@sibyte.com>
2105 Neil Booth <neilb@earthling.net>
2107 * gcc.c (validate_switches): Validate multiple switches named
2108 in '|' (or) expressions in specs.
2109 (handle_braces): If more than 1 alternative in a '|' spec
2110 matches, call do_spec1 just once.
2112 2000-11-22 Michael Meissner <meissner@redhat.com>
2114 * d30v.h (TARGET_SWITCHES): Add documentation strings.
2115 (TARGET_OPTIONS): Ditto.
2116 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
2119 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
2121 * pa.c (hppa_encode_label): Account for addition of encoding
2122 character when allocating persistent space for the new label
2125 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
2127 * Makefile.in, config.gcc, configure.in: Expunge remaining
2128 traces of facility for running MD files through C preprocessor.
2130 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
2132 * gcov.texi: Add magic comments for texi2pod.pl.
2133 * Makefile.in: Add rules to generate and install gcov.1.
2134 * gcov.1: New (generated) file.
2136 2000-11-21 Richard Henderson <rth@redhat.com>
2138 * regrename.c (scan_rtx_reg): Terminate the chain rather than
2139 abort on mark_read with NO_REGS.
2141 2000-11-21 Mike Stump <mrs@wrs.com>
2143 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
2144 compilation with older compilers, such as /bin/cc on SunOS.
2145 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
2147 2000-11-21 Richard Henderson <rth@redhat.com>
2149 * varasm.c (record_constant): Pad the constructed
2150 constant_descriptor appropriately.
2152 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
2154 * rtl.h (traverse_md_constants): Declare.
2155 (struct md_constant): Define.
2156 * Makefile.in (HOST_RTL): Add hashtab.o .
2157 (OBJS): Add hashtab.o .
2158 (hashtab.o): New rule.
2159 (rtl.o): Depends on HASHTAB_H.
2160 * rtl.c (hashtab.h): #include.
2161 (md_constants): New static variable.
2162 (def_hash, def_name_eq_p, read_constants): New static functions.
2163 (traverse_md_constants): New function.
2164 (read_name): Do constant expansion.
2165 (read_rtx): Recognize define_constants.
2166 * gencodes.c (print_md_constant): New function.
2167 (main): Emit #defines for all constant definitions encountered.
2168 * md.texi (Constant Definitions): New node.
2169 * gensupport.c (xcalloc): New function.
2171 2000-11-21 Richard Henderson <rth@redhat.com>
2173 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
2174 * config/alpha/alpha-protos.h: Declare it.
2175 * config/alpha/alpha.md (abstf_internal): Use it.
2176 (negtf_internal): Likewise.
2177 (andnotdi3): Unstar the name.
2178 (movtf_internal): Add o/G alternative.
2180 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
2182 * stringpool.c (stringpool_statistics): Also report number and
2183 percentage of entries which are identifiers.
2185 2000-11-21 Diego Novillo <dnovillo@redhat.com>
2187 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
2188 visited before visiting it.
2190 2000-11-21 Nick Clifton <nickc@redhat.com>
2192 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
2193 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
2195 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
2197 2000-11-21 Richard Henderson <rth@redhat.com>
2199 * c-common.c (c_unsafe_for_reeval): New function.
2200 (add_c_tree_codes): Register it.
2201 * c-common.h: Declare it.
2202 * tree.c (lang_unsafe_for_reeval): New hook.
2203 (unsafe_for_reeval): Call it.
2204 * tree.h: Declare it.
2206 2000-11-21 Richard Henderson <rth@redhat.com>
2208 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
2211 2000-11-21 Neil Booth <neilb@earthling.net>
2213 * do_includes: Revert to using cpp_read_file.
2215 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
2217 * loop.c (consec_sets_giv): If the reg we're examining is anything
2218 but UNKNOWN_INDUCT, do nothing.
2219 Reset the reg's type to UNKNOWN_INDUCT before returning.
2221 Mostly from Vladimir Makarov (vmakarov@redhat.com)
2222 * ia64.md (attr itanium_class): Define insn types as described in
2224 (all insn patterns): Use itanium_class, not type attributes.
2225 Occasionally split alternatives as necessary.
2226 (attr type): Compute from new attr itanium_class.
2228 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2230 * tradcpp.c (output_line_command): Mark system headers as such in
2233 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2235 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
2236 support in as as well.
2237 * configure: Regenerate.
2239 2000-11-20 Richard Henderson <rth@redhat.com>
2241 * c-lex.c (orig_filename): New variable.
2242 (init_c_lex): Set it. Move call to cpp_start_read ...
2243 (yyparse): ... here. New function.
2244 * c-parse.in (yyparse_1): Rename the parser entry point.
2245 * c-tree.h: Declare it.
2247 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2249 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
2250 integer constant, use type of op1 for comparison.
2252 2000-11-20 Stan Shebs <shebs@apple.com>
2254 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
2255 * config/rs6000/x-darwin: New file, Darwin host fragment.
2256 * config.gcc (powerpc-*-darwin*): New host.
2257 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
2258 overridden by a config file.
2260 2000-11-20 Neil Booth <neilb@earthling.net>
2262 * cppmacro.c (paste_tokens): Rename from paste_payloads.
2263 Change token type after pasting spellings.
2264 (paste_all_tokens): Use it.
2265 * gcc.dg/cpp/paste2.c: Update test.
2266 * objc/execute/paste.m: New test.
2268 2000-11-20 Richard Henderson <rth@redhat.com>
2270 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
2271 dwarf_subscr_data_formats bits.
2272 * dwarfout.c (simple_type_size_in_bits): Handle a type with
2273 no computed size as size zero.
2274 (field_byte_offset): Likewise.
2275 (subscript_data_attribute): Handle a range with no upper bound.
2277 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2279 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
2281 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2283 * c-typeck.c (build_conditional_expr): When merging type
2284 qualifiers for conditional expressions between a pointer and a
2285 pointer to a void type, merge the qualifiers on the target types
2286 rather than the pointer type. Remove obsolete conditioned out
2289 2000-11-20 Neil Booth <neilb@earthling.net>
2291 * c-lang.c (lang_init_options): Update call to
2293 * cppmain.c (main): Similarly.
2294 * fix-header.c (read_scan_file): Similarly.
2295 * cp/lex.c (lang_init_options): Similarly.
2296 * objc/objc-act.c (lang_init_options): Similarly.
2297 * cppexp.c (parse_number): Only warn for unextended C89.
2298 * cppinit.c (set_lang): New function.
2299 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2300 (COMMAND_LINE_OPTIONS): New option std=c++98.
2301 (cpp_handle_option): Use set_lang.
2302 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2303 * cppib.h (enum_c_lang): New enumeration. Update comments.
2305 2000-11-20 Will Cohen <wcohen@redhat.com>
2307 * calls.c (expand_call): Clear target only when target is in
2308 hard register and current_function_check_memory_usage is set.
2310 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2312 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2314 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2316 2000-11-19 Richard Henderson <rth@redhat.com>
2318 * crtstuff.c (force_to_data): Use array size 1 not 0.
2320 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2321 no computed size as size zero.
2322 (field_byte_offset): Likewise.
2324 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2326 * config.gcc: Fix another typo.
2328 2000-11-19 Richard Henderson <rth@redhat.com>
2330 * c-decl.c (grokdeclarator): Support flexible array members.
2331 Use open-ended ranges for these and zero-length arrays.
2332 * c-typeck.c (push_init_level): Validate the context of
2333 initialization of a zero-length array.
2334 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2335 * varasm.c (array_size_for_constructor): New.
2336 (output_constructor): Use it for arrays of unspecified length.
2337 * extend.texi (Zero Length): Mention C99 flexible array members.
2338 Document initialization in a top-level struct as valid.
2340 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2342 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2344 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2345 stdarg and varargs functions.
2347 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2349 * gcc.c (process_command): Define 'j' variable when
2350 MODIFY_TARGET_NAME is defined.
2352 2000-11-19 Richard Henderson <rth@redhat.com>
2354 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2356 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2358 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2359 calculation and allocation.
2361 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2363 * builtins.c (c_getstr): Constify variable.
2364 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2365 * conflict.c (const_conflict_graph_arc): New typedef.
2366 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2367 * cppmacro.c (builtin_macro): Likewise.
2368 * dwarf2out.c (output_comp_unit): Constify variable.
2369 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2370 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2371 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2373 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2374 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2375 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2376 compare_constant_1, record_constant_1): Constify.
2378 2000-11-18 Richard Henderson <rth@redhat.com>
2380 * c-decl.c (grokdeclarator): Special case the creation of an
2381 index for a zero-length array.
2382 * tree.c (build_index_type): Revert Oct 20 change.
2384 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2386 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2387 * config/avr/avr.c (jump_tables_size): New variable.
2388 (function_prologue): Initialize it as 0.
2389 (function_epilogue): Add it to function_size.
2390 (avr_output_addr_vec_elt): New function. Count words in jump
2391 tables in jump_tables_size. Move code ...
2392 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2393 Call avr_output_addr_vec_elt instead.
2394 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2396 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2398 * configure.in: Make --enable-new-gxx-abi the default.
2399 * configure: Likewise.
2401 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2405 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2406 Move extern function declarations to tradcpp.h.
2408 * tradcpp.c: Likewise.
2410 * tradcpp.h: New file.
2412 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2414 * c-decl.c (check_for_loop_decls): New function.
2415 * c-parse.in (for_init_stmt): New.
2416 (select_or_iter_stmt): Use for_init_stmt.
2417 * c-tree.h (check_for_loop_decls): New declaration.
2419 2000-11-18 Neil Booth <neilb@earthling.net>
2421 * cppinit.c: Update comments.
2422 (cpp_reader_init): Make -imacro and -include use the standard
2423 #include "" search path.
2424 (do_includes): New function.
2426 2000-11-18 Ben Elliston <bje@redhat.com>
2428 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2429 out of a branch delay slot.
2431 2000-11-17 Richard Henderson <rth@redhat.com>
2433 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2434 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2435 (ASM_FILE_START): Only write out ecoff .file directive if
2436 emitting mdebug debugging.
2438 2000-11-17 Richard Henderson <rth@redhat.com>
2440 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
2441 whether as accepts .file/.loc and produces dwarf2 line info.
2442 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
2443 the assembler supports it.
2444 * config.in, configure: Regenerate.
2446 2000-11-17 Richard Henderson <rth@redhat.com>
2448 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
2450 2000-11-17 Jim Wilson <wilson@redhat.com>
2452 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
2453 Don't clear need_barrier is next_insn is a CALL_INSN, or has
2454 instruction type B or UNKNOWN.
2456 2000-11-17 Neil Booth <neilb@earthling.net>
2458 * cpperror.c (print_file_and_line): Don't display line number if 0.
2460 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
2462 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
2463 digit_vector and digit_string.
2464 * stringpool.c (digit_vector): New.
2465 (ggc_alloc_string): Use digit_string.
2467 * stmt.c (digit_strings): Delete.
2468 (init_stmt): Do not initialize digit_strings.
2469 (expand_asm_operands): Use ggc.h's digit_string macro.
2470 * toplev.c (mark_file_stack): Delete.
2471 (compile_file): Don't call init_tree_codes.
2472 (main): No need to make the file stack a GC root.
2473 * tree.c (init_tree_codes): Delete.
2474 * tree.h (init_tree_codes): Delete.
2476 * c-lex.c: Don't include ggc.h.
2477 (mark_splay_tree_node, mark_splay_tree): Delete.
2478 (init_c_lex): No need to ggc_strdup string constant. Don't add
2479 file_info_tree to GGC roots.
2480 (cb_enter_file, cb_rename_file): No need to ggc_strdup
2483 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
2485 * dbxout.c (dbxout_init),
2486 dwarf2out.c (dwarf2out_line),
2487 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
2488 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
2489 xcoffout.c (xcoffout_source_file),
2490 i386.c (load_pic_register):
2491 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
2493 * except.c (create_rethrow_ref),
2494 profile.c (init_edge_profiler),
2495 toplev.c (compile_file),
2496 varasm.c (named_section, assemble_static_space,
2497 assemble_trampoline_template, output_constant_def, force_const_mem),
2498 i386.c (load_pic_register),
2499 ia64.c (ia64_encode_section_info),
2500 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
2501 rs6000_emit_prologue, rs6000_emit_epilogue),
2502 rs6000.md (load_toc_aix_si, load_toc_aix_di):
2503 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
2505 * profile.c (output_func_start_profiler),
2507 i386.c (load_pic_register): No need to ggc_strdup string constant.
2509 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2511 * Makefile.in (config.status): Depend on config.gcc.
2512 * configure.in <for machine in $build $host $target>: Move
2513 contents of loop into config.gcc, removing autoconf quoting.
2514 Fix changequote bug for alpha*-*-vxworks*.
2515 * configure: Regenerate.
2518 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2520 * c-parse.in (if_prefix): Find the filename and line number at
2521 $-2 and $-1 respectively.
2522 * diagnostic.c (error_recursion): Add missing newline, use
2523 fputs, translate string.
2525 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2527 * stringpool.c: New file.
2528 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
2529 (ggc_alloc_string): Now in stringpool.o.
2530 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
2531 * ggc.h: Delete prototype of ggc_add_string_root. #define
2532 ggc_add_string_root and ggc_mark_string to nothing. Prototype
2533 init_stringpool and stringpool_statistics.
2534 (ggc_alloc_string): Returns a const char *.
2535 * tree.c (hash_table, do_identifier_warnings): Delete.
2536 (init_obstacks): Don't initialize the identifier hash table.
2537 (get_identifier, maybe_get_identifier, start_identifier_warnings,
2538 set_identifier_size): Now in stringpool.c.
2539 * tree.h (struct tree_string): Constify pointer field.
2540 (approx_sqrt): Prototype.
2542 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
2544 * toplev.c (approx_sqrt): New function.
2545 (compile_file): Call stringpool_statistics if mem_report is on.
2546 (main): Call init_stringpool.
2548 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
2549 (process_directive), c-typeck.c (constructor_asmspec, struct
2550 initializer_stack, start_init), except.c (create_rethrow_ref),
2551 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
2552 (built_in_filename), varasm,c (in_named_name,
2553 assemble_static_space, struct constant_descriptor, struct
2554 deferred_string, struct pool_constant, force_const_mem),
2555 i386.c (pic_label_name, global_offset_table_name), rs6000.c
2556 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
2558 * c-common.c (combine_strings): Combine strings in scratch
2559 buffer, then pass to build_string.
2560 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
2561 output_func_start_profiler), stmt.c (init_stmt), alpha.c
2562 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
2563 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
2564 rs6000.c (rs6000_encode_section_info): Create string in
2565 scratch buffer, then pass to ggc_alloc_string.
2567 * stmt.c (expand_asm_operands): If we must adjust the
2568 constraint strings, do so by creating a new one, not by
2569 modifying the old one in place. Constify some char *s.
2570 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
2571 argument. Create string in scratch buffer, then pass to
2573 * config/pa/pa-protos.h: Update prototype.
2574 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
2575 hppa_encode_label takes only one argument.
2577 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
2582 * cpplib.c (glue_header_name): Likewise.
2584 * fixincl.c (run_compiles, start_fixer): Likewise.
2586 * fixlib.c (load_file_data): Likewise.
2588 * mkdeps.c (munge): Likewise.
2590 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2592 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
2593 trailing ';'. Fix formatting.
2595 2000-11-16 Jim Wilson <wilson@redhat.com>
2597 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
2598 Shift masks left by one to avoid conflict.
2600 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
2603 2000-11-16 Nick Clifton <nickc@redhat.com>
2605 * config/arm/arm.c (output_arm_prologue): Note nested functions.
2606 (arm_expand_prologue): For nested functions preserve the
2607 static chain register during stack frame creation.
2609 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
2610 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
2611 with a stack frame there is a 4 byte gap between the arg
2612 pointer and the hard frame pointer (used to preserve the
2613 static chain register during stack frame creation).
2615 2000-11-16 DJ Delorie <dj@redhat.com>
2617 * rtl.c (read_rtx): Provide suitable names for unnamed
2618 define_insn and define_insn_and_split patterns, based on file
2621 2000-11-15 Neil Booth <neilb@earthling.net>
2623 * cpplib.c (start_directive, end_directive): New functions.
2624 (_cpp_handle_directive, run_directive): Use them.
2625 (_cpp_handle_directive): Don't -Wtraditional on indented
2627 (_cpp_push_buffer): Don't re-clear was_skipping.
2628 * cpplib.h (struct cpp_reader): New member la_saved.
2629 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
2632 gcc.dg/cpp/_Pragma1.c: Update.
2633 gcc.dg/cpp/_Pragma2.c: New test.
2635 2000-11-15 Mark Mitchell <mark@codesourcery.com>
2637 * toplev.c (wrapup_global_declarations): Don't write out
2638 artificial static variables that aren't needed.
2640 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
2642 * ia64.c (struct group): New structure.
2643 (last_group): New static array.
2644 (group_idx): New static variable.
2645 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
2646 New static functions.
2647 (emit_insn_group_barriers): Initialize and keep track of group_idx
2649 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
2650 Replace all calls to emit_insn_after that emit a group barrier to use
2651 emit_group_barrier_after.
2652 * ia64.h (MASK_B_STEP): New.
2653 (other MASK_XXX macros): Renumbered.
2654 (TARGET_B_STEP): New.
2655 (TARGET_SWITCHES): Add -mb-step.
2657 2000-11-15 Fred Fish <fnf@be.com>
2659 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
2660 machines for which fixincludes is not needed.
2661 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
2663 2000-11-15 Jason Merrill <jason@redhat.com>
2665 * diagnostic.c (finish_abort): New fn.
2666 (fancy_abort, error_recursion): Use it.
2667 * toplev.c (crash_signal): Likewise.
2668 * diagnostic.h: Declare it.
2670 2000-11-13 Andrew Haley <aph@redhat.com>
2672 * tree.c (build_type_no_quals): New function.
2673 * tree.h (build_type_no_quals): Declare.
2674 * c-common.c (c_get_alias_set): When considering type
2675 compatibility for pointer types, ignore cv-qualifiers anywhere in
2678 2000-11-15 Graham Stott <grahams@redhat.com>
2680 * regrename.c (scan_rtx_rtx): Skip to the next chain on
2681 encountering a terminated chain.
2683 2000-11-14 Mark Mitchell <mark@codesourcery.com>
2685 * configure.in: Move check for V3 above check for C++ header-file
2687 * configure: Regenerated.
2689 2000-11-14 DJ Delorie <dj@redhat.com>
2691 * config/v850/v850.c: Remove obstacks.
2693 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
2695 * config/avr/avr.c (avr_case_values_threshold): New.
2696 (avr_override_options): Set it depending on options, make it large
2697 when not optimizing to work around "unable to generate reloads".
2699 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
2700 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
2701 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
2702 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
2703 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
2704 (avr_case_values_threshold): Declare as extern int.
2705 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
2707 * config/avr/avr.md (tablejump): Removed.
2708 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
2709 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
2710 index in the table, not multiplied by 2.
2711 (casesi): Change to match the above insns. Always enable.
2713 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
2714 Change to expect the word address of the table, multiply it by 2
2715 here and not in the caller. Change "adiw" to faster "inc".
2717 2000-11-14 Neil Booth <neilb@earthling.net>
2719 * cppexp.c (parse_defined): Call cpp_get_token not
2722 * cpplex.c (cpp_output_line): Similarly.
2723 * cpplib.c (glue_header_name, do_line, do_ident,
2724 parse_answer, parse_assertion): Similarly.
2725 (_cpp_handle_diretive): Don't save to lookaheads
2726 when processing directives.
2727 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
2729 (funlike_invocation_p): Don't save to lookaheads
2730 when pre-expanding arguments.
2731 (_cpp_get_token): Delete.
2732 (cpp_get_token): Merge contents of _cpp_get_token.
2734 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2736 * builtins.c (expand_builtin_setjmp): Set
2737 current_function_calls_setjmp.
2738 (expand_builtin_longjmp): Set current_function_calls_longjmp.
2740 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
2741 (do_builtin_setjmp_setup): New insn.
2743 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2745 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
2746 (int_fits_type_p): For variable bounds, call force_fit_type.
2748 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2750 * varasm.c (struct deferred_string): New structure.
2751 (const_str_htab): New variable.
2752 (STRHASH): New macro.
2753 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
2754 constr_str_htab_eq, const_str_htab_del): New functions.
2755 (output_constant_def): Add DEFER argument, defer string
2756 constants until mark_constant_pool time if requested.
2757 (mark_constant_pool): Walk the insn chain even if const_str_htab is
2759 (mark_constants): If a SYMBOL_REF for deferred string is found,
2760 output it and remove from hash table.
2761 (output_addressed_constants): Set DEFER to 0 in call to
2762 output_constant_def.
2763 * rtl.h (STRING_POOL_ADDRESS_P): Define.
2764 (output_constant_def): Adjust prototype.
2765 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
2767 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
2769 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
2770 signed types if flag_trapv.
2772 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
2774 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
2777 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
2779 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
2781 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2783 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
2784 to array of pool_constnat pointers.
2785 (struct pool_constant): Add next_sym and label members.
2786 (struct pool_sym): Remove.
2787 (init_varasm_status): Change pool_sym into pool_constant.
2788 (mark_pool_constant): Mark pc->label string as well.
2789 (mark_pool_sym_hash_table): Remove.
2790 (mark_varasm_status): Remove it from caller as well.
2791 (free_varasm_status): Don't free pool_sym structures.
2792 (force_const_mem): Don't allocate pool_sym structure, instead
2793 fill pool->label and chain it into rtx_sym hash table.
2794 (find_pool_constant, mark_constant_pool): Use pool_constant instead
2797 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2799 * reload1.c (emit_input_reload_insns): Honour forcing of constants
2800 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
2802 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
2804 * dominance.c: New file.
2805 * Makefile.in (OBJS): Add dominance.o.
2807 * flow.c (compute_flow_dominators): Remove.
2808 (compute_immediate_dominators): Remove.
2809 (compute_immediate_postdominators): Remove.
2810 * basic-block.h: Remove their prototypes.
2811 (calculate_dominance_info): Add prototype.
2813 * dce.c (eliminate_dead_code): Change calls to above functions.
2814 Don't compute dominators but only immediate dominators.
2815 * flow.c (flow_loops_find): Change callers.
2816 * gcse.c (compute_code_hoist_data): Likewise.
2817 * haifa-sched.c (schedule_insns): Likewise.
2818 * ifcvt.c (if_convert): Likewise.
2819 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
2822 2000-11-14 Richard Henderson <rth@redhat.com>
2824 * stmt.c (warn_if_unused_value): Don't warn if the expression
2827 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
2828 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
2830 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2832 * loop.c (basic_induction_var): Revert accidental checkin.
2834 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
2836 * c-lex.c (cb_leave_file): Harmonize conditions and order of
2837 statements to those of process_directive for (action == act_pop).
2839 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
2841 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
2844 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2846 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
2849 2000-11-13 Neil Booth <neilb@earthling.net>
2851 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
2852 cases return without MI check.
2853 * cpplib.c (do_diagnostic): Take boolean of whether to
2854 print the directive name.
2855 (do_error, do_warning): Update.
2856 (do_pragma_dependency): Use it.
2857 * cpplib.h (VARARGS_FIRST): Delete.
2858 (struct cpp_token): Delete integer.
2859 * cppmacro.c (enter_macro_context): Move disabled check
2861 (_cpp_get_token): Simplify into a single loop.
2863 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2865 * configure.in: Use 'test -f' not '[ -e'.
2866 * configure: Regenerated.
2868 2000-11-13 DJ Delorie <dj@redhat.com>
2870 * config/mn10300/mn10300.md (store_movm): Note which registers are
2871 really used or clobbered.
2873 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2875 * c-parse.in (ends_in_label): Remove from %union and %type.
2876 (decls, stmts, lineno_stmt_or_labels, xstmts,
2877 lineno_stmt_or_label, stmt_or_label): Remove.
2878 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2879 lineno_stmt_decl_or_labels_ending_decl,
2880 lineno_stmt_decl_or_labels_ending_label,
2881 lineno_stmt_decl_or_labels_ending_error,
2882 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2883 lineno_stmt, lineno_label): New.
2884 (compstmt_nostart): Use compstmt_contents_nonempty.
2886 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2888 * c-common.c (boolean_increment): New function.
2889 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2890 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2891 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2892 (boolean_increment): Declare.
2893 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2894 * c-decl.c (init_decl_processing): Create boolean nodes.
2895 (finish_struct): Allow for _Bool bitfields.
2896 * c-parse.in (reswords): Add _Bool.
2897 (rid_to_yy): Allow for RID_BOOL.
2898 * c-typeck.c (default_conversion): Make booleans promote to int.
2899 (convert_arguments, build_unary_op, build_modify_expr,
2900 convert_for_assignment): Allow for booleans.
2901 * ginclude/stdbool.h: Make conforming to C99.
2903 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2905 * c-parse.in (c99_block_start, c99_block_end,
2906 c99_block_lineno_labeled_stmt): New.
2907 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2908 (stmt): Split off selection and iteration statements into...
2909 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
2911 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2913 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2916 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2918 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2919 Rewrite to avoid use of match_dup. Don't try to tie registers that
2920 are not in the same mode.
2922 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2924 * invoke.texi: Update lists of languages and suffixes supported.
2926 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2928 * configure.in: Take toplevel configure arguments from the
2929 environment to create configargs.h and substitute
2930 gcc_config_arguments, taking account of any existing configargs.h
2932 * configure: Regenerate.
2933 * gccbug.in: Include toplevel configure arguments in gccbug.
2935 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2937 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2938 union to make it well-aligned. Update all uses.
2940 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2942 * c-parse.in (initelt): Give appropriate pedantic warnings,
2943 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2945 (designator): If pedantic, pedwarn for a designator specifying a
2947 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2949 * extend.texi: Document the C99 syntax as the preferred syntax,
2950 and the pre-2.5 syntax as obsolete. Mention use of designator
2951 lists for nested subobjects.
2953 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2955 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2956 Add ATTRIBUTE_PRINTF.
2957 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2958 Add ATTRIBUTE_PRINTF*.
2960 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2962 * function.c (assign_parms): When calling put_var_into_stack, make
2963 sure that there are no hidden pending sequences.
2965 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2967 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2968 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2971 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2973 * c-common.c (c_common_nodes_and_builtins): Declare index and
2974 rindex when nonansi builtins are allowed.
2976 * extend.texi (index, rindex): Document new builtins.
2978 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2980 * configure.in: Turn on libstdc++ V3 by default.
2981 * configure: Regenerated.
2983 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2985 2000-11-12 Jakub Jelinek <jakub@redhat.com>
2987 * reload1.c (set_label_offsets): Go inside of PARALLELs.
2989 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
2991 * invoke.texi: Clean up option summary.
2993 2000-11-12 Nick Clifton <nickc@redhat.com>
2995 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
2996 of #include headers.
2998 2000-11-12 Marc Espie <espie@openbsd.org>
3000 * configure.in: Fix filds test.
3003 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3005 * jump.c (delete_computation): Don't assume that just becuase an
3006 instruction sets a register, that register is dead.
3008 2000-11-12 Neil Booth <neilb@earthling.net>
3010 * cppexp.c: Don't worry about pfile->skipping.
3011 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
3012 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
3013 for handled directives.
3014 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
3015 and releasing lookaheads.
3016 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
3017 (do_else, do_elif, push_conditional): Update logic.
3018 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
3019 (unwind_if_stack): Inline into cpp_pop_buffer.
3020 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
3021 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
3022 multiple-include optimisation.
3023 * cpplib.h (struct cpp_buffer): New member was_skipping.
3024 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
3025 works because skipping == 0 in directives.
3026 (_cpp_release_lookahead): Renamed from release_lookahead.
3027 (cpp_get_token): No need to check skipping as _cpp_get_token does
3028 this for us. No need to handle MI optimisation.
3030 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
3032 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
3033 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
3034 * fixinc/fixincl.x: Regenerated.
3036 2000-11-11 Bruce Korb <bkorb@gnu.org>
3038 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
3039 (avoid_wchar_t_type): ditto
3040 * fixinc/fixinc.irix: obsoleted
3042 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
3044 * configure.in: Don't add $outputs to all_lang_makefiles. Add
3045 $srcdir/$s/Makefile.in if it exists.
3046 * configure: Regenerate.
3048 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
3050 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
3052 2000-11-11 Jason Merrill <jason@redhat.com>
3054 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
3055 give the parm a register and then call put_var_into_stack.
3056 * stmt.c (expand_decl): Likewise.
3058 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3060 * gcc.texi: Adjust wording.
3062 2000-11-11 Mark Mitchell <mark@codesourcery.com>
3064 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
3065 * fininc/fixincl.x: Regenerated.
3067 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3069 * invoke.texi: Correct spelling of -foptimize-register-move.
3071 2000-11-11 Neil Booth <neilb@earthling.net>
3073 Remove CPP_PLACEMARKERs.
3075 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
3076 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
3077 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
3079 * cpplib.h: Remove CPP_PLACEMARKER.
3080 (struct lexer_state): Rename skip_newlines to next_bol.
3081 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
3082 Simplify prev_white handling as a result.
3083 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
3084 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
3085 (parse_args): Similarly. Update argument count tests.
3086 (enter_macro_context): Return 2 to indicate an empty macro.
3087 (replace_args): Don't bother pre-expanding an empty argument.
3088 Handle placemarkers and ## extension during pre-expansion.
3089 (cpp_get_token): Handle empty macro expansions. Don't worry
3090 about CPP_PLACEMARKERs.
3091 (_cpp_create_definition): Empty macros are now empty.
3092 (cpp_macro_defintion): Don't special case empty macros.
3093 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
3094 * c-lex.c: Similarly.
3096 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3098 * gcc.texi, invoke.texi: Add new section discussing language
3099 standards; link to it where appropriate; refer to ISO C instead of
3102 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
3104 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
3107 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
3110 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3112 * gcc.texi, gcov.texi: Update dates and version numbers.
3114 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
3116 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
3117 flex and bison, specifically, first in a unified build and
3118 then installed on the system.
3119 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
3120 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
3123 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
3124 cppdefault.o): Remove pointless sed munging of source file
3127 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
3129 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
3130 for address reloads. Push replacements for REG_INC notes.
3131 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
3133 * reload1.c (choose_reload_regs): Registers set in the insn can't be
3134 used for RELOAD_OTHER reloads.
3136 2000-11-10 Mark Mitchell <mark@codesourcery.com>
3138 * c-dump.h: New file.
3140 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * alpha.c (check_float_value): Use memcpy, not bcopy.
3143 * arm.c (output_move_double): Likewise.
3145 * m88k.c (legitimize_operand): Likewise.
3146 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
3147 * m88k.md: Likewise.
3148 * mips.c (override_options): Likewise.
3149 * mips.md: Likewise.
3150 * romp.c (output_fpops): Likewise.
3151 * rs6000.c (rs6000_override_options): Likewise.
3153 * vax.c (check_float_value): Likewise.
3155 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
3156 * expmed.c (synth_mult): Likewise.
3157 * final.c (add_bb_string): Likewise.
3158 * genattr.c (main): Likewise.
3159 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
3161 * jump.c (thread_jumps): Likewise.
3162 * prefix.c (save_string): Likewise.
3163 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
3164 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
3165 * reload1.c (reload, eliminate_regs): Likewise.
3167 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3169 * gcc.texi (Service): Update to reflect current practice and
3170 location of the GNU service directory.
3172 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
3174 * regrename.c (build_def_use): Mark contents of REG_INC notes as
3175 needing replacement.
3177 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
3178 a no-op move if regs are equal.
3179 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
3180 when calling jump after post-reload splitting.
3182 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
3184 * c-tree.texi: Fix typos.
3185 * extend.texi: Likewise
3186 * gcov.texi: Likewise
3187 * rtl.texi: Likewise
3190 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
3192 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
3193 in_system_header and flags[1] before dereferencing flags[2].
3195 2000-11-09 Matthew Hiller <hiller@redhat.com>
3197 * reload1.c (reload_combine): Fixed calculation of
3198 first_index_reg, last_index_reg.
3200 2000-11-09 Mark Mitchell <mark@codesourcery.com>
3202 * c-dump.c (dequeue_and_dump): Dump function bodies.
3204 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
3205 (c-dump.o): New target.
3206 * c-common.h (flag_dump_translation_unit): New variable.
3207 (C_TYPE_QUALS): New macro.
3208 (strip_array_types): New function.
3209 (DECL_C_BIT_FIELD): New macro.
3210 (SET_DECL_C_BIT_FIELD): Likewise.
3211 (CLEAR_DECL_C_BIT_FIELD): Likewise.
3212 (dump_info_p): New typedef.
3213 (dump_tree_fn): Likewise.
3214 (lang_dump_tree): New variable.
3215 (dump_node_to_file): New function.
3216 * c-common.c (flag_dump_translation_unit): Define it.
3217 (strip_array_types): New function.
3218 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
3219 * c-lang.c (finish_file): Call dump_node_to_file if
3220 flag_dump_translation_unit.
3221 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
3222 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
3223 * c-dump.c: New file.
3225 2000-11-09 Christopher Faylor <cgf@cygnus.com>
3227 * config/i386/cygwin.h: Add mingw startfile prefix.
3229 2000-11-09 Richard Henderson <rth@redhat.com>
3231 * flow.c (invalidate_mems_from_set): Split out from ...
3232 (mark_set_1): ... here.
3233 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
3234 instead of turning insn into a NOTE_INSN_DELETED.
3236 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3238 * extend.texi, invoke.texi: Move documentation of builtin versions
3239 of C library functions to one place and update.
3241 2000-11-09 Richard Henderson <rth@redhat.com>
3243 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
3244 the types themselves to discover type equivalence.
3246 2000-11-09 Mike Stump <mrs@wrs.com>
3248 * Makefile.in (distclean): Remove a few extra leftovers.
3250 2000-11-09 Richard Henderson <rth@redhat.com>
3252 * recog.c (validate_replace_rtx_1): Consider subregs when
3253 replacing a register with a constant inside a sign/zero_extend.
3255 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3257 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
3259 * c-decl.c (finish_struct): When a structure is completed,
3260 check all its variant types for completeness.
3262 2000-11-09 Neil Booth <neilb@earthling.net>
3264 * cpphash.c: Move cpp_defined here from cpplib.c.
3265 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
3266 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
3267 * cppmacro.c (cpp_get_token): Update comments, no need now
3268 to catch the CPP_EOF meaning EOL case.
3270 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3272 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
3273 is more than that provided, copy to a temporary.
3275 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
3277 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
3278 interpreting $out as a macro assignment.
3279 * Makefile.in (T_TARGET): New auxiliary macro and target.
3280 (all): Add a target right in the beginning, so that we don't build
3281 T_TARGET by default.
3283 2000-11-09 Graham Stott <grahams@redhat.com>
3285 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
3286 order for -mintel-syntax. Remove comment now that the operand
3287 order has been checked.
3288 (mmx_pextrw): Likewise.
3289 (mmx_pshufw): Likewise.
3291 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3293 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
3294 (c_getstr): New function.
3295 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
3296 If both arguments are constant string, optimize out.
3297 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3298 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3299 -fcheck-memory-usage.
3300 (expand_builtin_fputs): Likewise.
3301 (expand_builtin_strcmp): Add MODE argument.
3302 Use even if !HAVE_cmpstrsi.
3303 Optimize the case when both arguments are constant strings.
3304 (expand_builtin): Adjust expand_builtin_strcmp caller.
3305 Call expand_builtin_strchr and expand_builtin_strrchr.
3306 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3308 * builtins.def (BUILT_IN_STRRCHR): Add.
3310 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3312 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3314 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3316 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3317 (scan_prog_file), config/a29k/a29k.c (print_operand),
3318 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3319 instead of bcopy ().
3320 * real.h: Use memcmp () instead of bcmp ().
3321 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3322 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3323 ultrasparc_sched_init, ultrasparc_sched_reorder),
3324 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3325 instead of bzero ().
3326 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3327 instead of rindex ().
3328 * configure.in: Don't check for bzero, bcmp, index or rindex.
3329 * configure, config.in: Regenerate.
3330 * system.h: Don't include declarations for bzero, bcmp, index or
3332 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3333 bzero, bcmp, index or rindex.
3335 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3337 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3338 include and library paths from -mcygwin case. Parameterize some
3339 declarations to avoid warnings. Use standard locations for include and
3342 2000-11-08 Nick Clifton <nickc@redhat.com>
3344 * config/arm/arm.md (mulsidi3adddi): Change output operand
3345 constraint from "=&" to "+&".
3346 (umulsidi3adddi): Change output operand constraint from "=&" to
3349 2000-11-08 Richard Henderson <rth@redhat.com>
3351 * flow.c (init_propagate_block_info): Protect the rtx stored in
3352 mem_set_list from modification by find_auto_inc.
3353 (mark_set_1): Likewise.
3355 2000-11-08 Neil Booth <neilb@earthling.net>
3357 Move directive handling into the lexer itself.
3359 * cpplex.c (_cpp_lex_token): Handle directives directly.
3360 In the case of a directive interrupting a function-like
3361 macro invocation, use extra_char since read_ahead is
3362 used to store the '#'. Return a CPP_EOF in this case.
3363 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3364 (cpp_get_token): Don't handle directives here.
3365 * cpplib.h: Remove CPP_DHASH token type.
3367 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3369 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3370 formed using PRE_MODIFY too.
3372 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3374 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3375 extension for placing variables in particular registers.
3377 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3378 unprototyped C functions with no parameters.
3380 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3382 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3383 before passing to fprintf.
3385 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3387 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3388 HOST_WIDE_INT before negating it.
3390 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3392 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3393 passed in multiple non-contiguous locations.
3395 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3397 * README.gnat: Remove file.
3399 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3401 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3404 2000-11-07 Richard Henderson <rth@redhat.com>
3406 * dwarfout.c (INSN_LABEL_FMT): Remove.
3407 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3408 (dwarfout_label): Remove.
3409 * dwarfout.h: Remove it's prototype.
3410 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3411 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3412 (dwarf2out_label): Remove.
3413 * dwarf2out.h: Remove it's prototype.
3414 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3416 2000-11-07 Richard Henderson <rth@redhat.com>
3418 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3419 search on the unwind region section.
3421 * config/ia64/ia64.md (movbi): Add r/r alternative.
3422 (cmovdi_internal_astep): Describe all combinations of register
3423 classes for sources & destinations; remove matching constraints.
3424 (cmovdi_internal): Likewise.
3426 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3428 2000-11-07 Richard Henderson <rth@redhat.com>
3430 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3431 (finish_file): Use them in building constructor/destructor functions.
3433 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3434 LD_FINI_SWITCH): Move ...
3435 * config/alpha/osf.h: ... here.
3436 * config/alpha/alpha-interix.h: Don't undef them.
3438 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
3440 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
3441 included in libgcc.a.
3443 (dp-bit.c): Likewise.
3444 (fp-bit.c): Likewise.
3446 2000-11-07 Nick Clifton <nickc@redhat.com>
3448 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
3449 (INTERNAL_ASM_OP): Add missing tab.
3451 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3453 * alias.c (init_alias_analysis), calls.c (expand_call,
3454 emit_library_call_value_1), combine.c (init_reg_last_arrays),
3455 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
3456 (init_output_buffer, set_diagnostic_context), dwarf2out.c
3457 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
3458 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
3459 function.c (assign_parms), gcse.c (compute_can_copy,
3460 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
3461 compute_hash_table, compute_set_hash_table,
3462 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
3463 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
3464 clear_units, schedule_block), integrate.c (initialize_for_inline,
3465 expand_inline_function), jump.c (thread_jumps), local-alloc.c
3466 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
3467 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
3468 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
3469 record_reg_classes, allocate_reg_info), reload.c
3470 (get_secondary_mem, remove_address_replacements, find_reloads),
3471 reload1.c (reload, set_initial_label_offsets, finish_spills,
3472 reload_as_needed, choose_reload_regs_init,
3473 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
3474 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
3475 (rename_registers), stmt.c (expand_end_case), unroll.c
3476 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
3477 () instead of bzero ().
3479 2000-11-07 Neil Booth <neilb@earthling.net>
3481 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
3483 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3485 * c-common.c (combine_strings): Only warn about long strings for C.
3487 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
3489 * combine.c (distribute_notes): Fix typo in last change.
3491 2000-11-07 Geoff Keating <geoffk@redhat.com>
3493 * config/rs6000/rs6000.md (movdi_internal32+1): Use
3494 operand_subreg_force rather than gen_rtx_SUBREG.
3495 (movdi_internal32+2): Likewise.
3497 2000-11-07 Philip Blundell <philb@gnu.org>
3499 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
3500 * config/arm/linux-aout.h: Likewise.
3501 * configure: Regenerate.
3503 2000-11-07 Philipp Thomas <pthomas@suse.de>
3505 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
3506 accepted my the gettext maintainer.
3508 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3510 * builtins.c (expand_builtin_strpbrk): New function.
3511 (expand_builtin): Handle BUILT_IN_STRPBRK.
3513 * builtins.def (BUILT_IN_STRPBRK): New entry.
3515 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3518 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
3520 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
3521 * POTFILES.in: Add config/alpha/freebsd.h
3522 * configure.in: Add alpha*-freebsd support.
3523 * configure: Regenerate.
3525 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3527 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
3528 copy of ptr_type_node rather than ptr_type_node itself.
3530 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
3532 * combine.c (recog_for_combine): Allocate uninitialized vector with
3534 * recog.c (apply_change_group): Likewise.
3536 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
3538 * flow.c (verify_local_live_at_start): Back out last change.
3539 * combine.c (distribute_notes): When parts of a hard reg are
3540 neither set nor referenced in PLACE, search backwards for a
3541 place to put a REG_UNUSED note; if none found, ask for flow
3544 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3546 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
3547 with (clobber (match_scratch...)).
3549 2000-11-06 Neil Booth <neilb@earthling.net>
3551 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
3554 2000-11-06 Neil Booth <neilb@earthling.net>
3556 * tradcpp.c (special_symbol): Assign an null string rather
3557 than writing to an unallocated buffer.
3559 2000-11-06 Neil Booth <neilb@earthling.net>
3561 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
3564 2000-11-06 Neil Booth <neilb@earthling.net>
3566 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
3567 tok.val.arg_no as appropriate.
3568 * cppexp.c (lex): Similarly.
3569 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
3570 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
3571 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
3572 cpp_macro_definition): Similarly.
3573 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
3575 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3577 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
3578 operands[1] is constant, calculate the sum and generate movdi.
3579 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
3580 (subsi3): Use SImode in call to arith_4096_operand.
3582 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3584 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
3585 adjust %o1, not %o0 if the return type is large structure.
3587 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3589 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
3590 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
3592 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3594 * expmed.c (expand_divmod): For signed divide by 2, prefer
3595 a branch and fewer shifts if branches are very cheap.
3597 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3599 * Makefile.in: Remove all targets related to building
3600 distributions and diffs, or INSTALL.
3601 * INSTALL, install1.texi: Remove.
3602 * configure.in: Remove mention of distdir.
3603 * configure: Regenerate.
3604 * objc/Make-lang.in: Remove mention of distdir.
3606 2000-11-04 Neil Booth <neilb@earthling.net>
3608 * cpp.texi: Update for _Pragma.
3610 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
3612 * gcc.texi (Contributing): Update URL for projects web page.
3614 2000-11-04 Neil Booth <neilb@earthling.net>
3616 * cpplex.c (parse_string): Don't allow multiline strings in
3617 #include family directives.
3619 2000-11-04 Neil Booth <neilb@earthling.net>
3621 * cpplib.c (do_line): Only warn pedantically if not reading
3624 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
3626 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
3629 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
3631 * builtins.c (expand_builtin_strlen): Remove unused mode
3633 * gcc.c (process_command): Remove unused variable.
3634 * fold-const.c: Include expr.h.
3635 * recog.c: Include reload.h.
3636 * Makefile.in (recog.o, fold-const.o): Update deps.
3638 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
3640 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
3642 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
3644 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
3646 (STARTFILE_SPEC): Likewise.
3647 (LINK_SPEC): Likewise.
3649 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
3652 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
3653 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
3655 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
3657 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
3658 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
3659 perm_calloc, get_identifier, maybe_get_identifier,
3660 real_value_from_int_cst, simple_cst_equal), varasm.c
3661 (assemble_name, assemble_real, immed_real_const_1,
3662 compare_constant_1, decode_rtx_const, output_constant_pool): Use
3663 strrchr () instead of rindex (). Use memcmp () instead of bcmp
3664 (). Use memcpy () instead of bcopy (). Use memset () instead of
3667 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
3669 * cppfiles.c (open_file): If already read, then don't reopen.
3670 Immediately close an empty file.
3672 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3674 * expr.h (fold_builtin): Move declaration...
3675 * tree.h (fold_builtin): ... here.
3677 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
3679 * flow.c (verify_local_live_at_start): Allow hard regs to die.
3681 2000-11-02 Neil Booth <neilb@earthling.net>
3684 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
3685 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
3686 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
3687 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
3688 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
3689 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
3690 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
3691 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
3692 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
3693 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
3694 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
3695 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
3696 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
3697 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
3698 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3699 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
3700 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
3701 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
3702 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
3703 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
3704 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
3705 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
3706 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
3707 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
3708 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
3709 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
3710 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
3711 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
3712 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
3713 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
3714 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
3715 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
3716 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
3717 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
3718 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
3719 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
3720 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
3721 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
3722 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
3723 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
3724 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
3725 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
3726 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
3727 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
3728 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
3729 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
3730 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
3731 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
3732 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
3733 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
3734 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
3735 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
3736 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
3737 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
3738 vax/vaxv.h, vax/vms.h, we32k/we32k.h
3740 Replace -A() with -A=, the new assertion syntax.
3742 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
3744 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
3746 In REG_DEAD handling: When handling parts of multi-hard-reg hard
3747 registers, increment the loop counter by the size of the parts;
3748 use recursion to handle individual parts.
3750 2000-11-02 Neil Booth <neilb@earthling.net>
3752 * configure.in: Make integrated CPP the default.
3753 * configure: Regenerate.
3755 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
3757 * reload.c (find_equiv_reg): Test all hard registers for membership
3758 in the requested class.
3760 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3762 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
3763 process_command, main), gcov.c (open_files, output_data), tlink.c
3764 (frob_extension, scan_linker_output), toplev.c
3765 (file_name_nondirectory): Use strchr () and strrchr () instead of
3766 index () and rindex ().
3768 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3770 * c-common.c (get_flag_spec, check_format_info_main,
3771 check_format_types): Use strchr () instead of index (). Compare
3772 against error_mark_node instead of comparing the TREE_CODE against
3775 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
3779 * c-lex.c (init_c_lex): Update cpp_start_read call.
3780 (cb_ident): Update for new callback prototype.
3781 (cb_def_pragma): Update for new cpp_get_token prototype.
3782 (c_lex): Similarly. Use cpp_get_line.
3784 * c-parse.in (finish_parse): Update for new cpp_finish
3787 * cp/lex.c (finish_parse): Similarly.
3789 2000-11-01 Geoff Keating <geoffk@cygnus.com>
3791 * machmode.def: Add V16QImode.
3793 2000-11-01 Richard Henderson <rth@redhat.com>
3795 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
3796 from rtl_for_decl_location.
3797 (add_location_or_const_value_attribute): Likewise.
3799 2000-11-01 Neil Booth <neilb@earthling.net>
3801 * cpplib.c (run_directive): Use correct line number for output
3802 of _Pragma. Remember any in-progress directive.
3804 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
3806 2000-11-01 Richard Henderson <rth@redhat.com>
3808 * stmt.c (expand_start_null_loop): Set continue_label.
3810 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3812 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
3813 (expand_builtin_constant_p): Move parts of the code into
3814 fold_builtin_constant_p.
3815 (expand_builtin_strlen): Move parts of the code into fold_builtin.
3816 * expr.h (fold_builtin): Declare.
3817 * fold-const.c (fold): Handle builtin calls.
3819 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
3821 2000-11-01 Richard Henderson <rth@redhat.com>
3823 * stmt.c (expand_start_null_loop): New.
3824 (expand_end_null_loop): New.
3825 * c-semantics.c (genrtl_do_stmt): Use them.
3826 * tree.h: Declare them.
3828 2000-11-01 Richard Henderson <rth@redhat.com>
3830 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
3832 2000-11-01 Neil Booth <neilb@earthling.net>
3834 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
3835 * cp/spew.c: Similarly.
3836 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
3837 * cppmacro.c (stringify_arg): Similarly.
3838 * cpplib.h (CPP_BACKSLASH): Delete.
3840 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3842 * builtins.c (expand_builtin_strstr): New function.
3843 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
3845 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
3847 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
3850 2000-10-31 Richard Henderson <rth@redhat.com>
3852 * config/i386/i386.c (fcmov_comparison_operator): Check for
3853 CCFPmode or CCFPUmode instead of CCmode.
3854 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
3855 unordered operations as well.
3857 2000-10-31 Richard Henderson <rth@redhat.com>
3859 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
3860 of integer_zero_node.
3862 2000-10-31 Richard Henderson <rth@redhat.com>
3864 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
3866 2000-10-31 Nick Clifton <nickc@redhat.com>
3868 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
3869 -fdata-sections to override the section attribute of a DECL.
3871 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3873 * libgcc2.c (__shtab): Remove __shtab variable.
3874 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3875 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3878 2000-10-31 Jim Wilson <wilson@redhat.com>
3880 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3881 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3882 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3883 instead of ASM_OUTPUT_INTERNAL_LABEL.
3884 (dwarf2out_end_block, dwarf2out_label): Likewise.
3885 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3886 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3888 2000-10-31 Richard Henderson <rth@redhat.com>
3890 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3891 (size_of_locs): Set it.
3892 (output_loc_operands): Use it to compute branch displacement.
3893 (int_loc_descriptor): New.
3894 (mem_loc_descriptor): Dereference memory in the proper size.
3895 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3896 (loc_descriptor_from_tree): New.
3897 (rtl_for_decl_location): Break out from ...
3898 (add_location_or_const_value_attribute): ... here.
3899 (add_bound_info): Use loc_descriptor_from_tree.
3901 2000-10-31 Neil Booth <neilb@earthling.net>
3903 * cpp.texi: Update for new command line assertion syntax.
3904 * cpplib.c (cpp_define): Simplify a bit.
3905 (cpp_assert, cpp_unassert): Use handle_assertion.
3906 (handle_assertion): New function; accept new command line
3908 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3910 2000-10-31 Neil Booth <neilb@earthling.net>
3912 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
3913 undefined. Remove #ifdef check.
3914 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3915 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3917 2000-10-31 Jan Hubicka <jh@suse.cz>
3918 Jakub Jelinek <jakub@redhat.com>
3920 * config/i386/i386.h: Clarify CCNOmode description in comment.
3921 (EXTRA_CC_MODES): Remove CCRCmode.
3922 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3923 (put_condition_code, ix86_match_ccmode): Likewise.
3924 (ix86_cc_mode): Likewise. Fix comment.
3925 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3926 * config/i386/i386.md: Add unspec 12 description.
3927 (adddi3 split): Use unspec 12 instead of CCRCmode.
3928 (addsi3_carry_rc): Remove.
3929 (addsi3_cc, addqi3_cc): New patterns.
3930 (addsi_3): Swap operands, match CCZmode.
3931 (addsi_4): Rewritten.
3932 (addsi_5): Renamed from addsi_6.
3934 (addhi_3): Swap operands, match CCZmode.
3935 (addhi_4): Rewritten.
3936 (addhi_5): Renamed from addhi_6.
3938 (addqi_3): Swap operands, match CCZmode.
3939 (addqi_4): Rewritten.
3940 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3941 (subsi3_carry_rc): Removed.
3942 (iorqi_3): Use =q constraint for clobber.
3943 (xorqi_cc_2): Likewise.
3944 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3945 (x86_movsicc_0_m1_rc): Removed.
3946 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3948 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3950 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3951 and decrement of complex types.
3953 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3955 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3956 builtin fputs, ensure we still evaluate the stream in case it
3959 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3961 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3964 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3966 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3967 (fp_extended_operand, emit_fpscr_use): Likewise.
3968 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3969 (fpul_operand): New function.
3970 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3971 fp_extended_operand. Add fpul_operand.
3972 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3973 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3974 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3975 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3976 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3977 (divdf3_i): Likewise.
3978 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3979 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3980 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3981 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3982 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3984 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
3986 * config/i386/i386.c (ix86_init_builtins): Correct return type
3987 building v4hi_ftype_v4hi_int_int tree node.
3988 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
3989 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
3991 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
3993 (mmx__uavgv8qi3): Correct insn mnemonic.
3994 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
3995 (mmx_punpckhwd): Correct insn mnemonic.
3996 (mmx_punpckhdq): Likewise.
3997 (mmx_punpcklwd): Likewise.
3998 (mmx_punpckldq): Likewise.
3999 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
4000 Renumber case labels to match the _mm_prefetch constants defined in
4003 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
4004 if the splitter didn't emit new insns.
4005 Make sure we call cleanup_subreg_operands even when splitting the last
4006 insn in a basic block.
4008 * invoke.texi (Debugging Options): Describe -do.
4009 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
4010 (dump_file): Likewise.
4011 (rest_of_compilation): Split .greg dump into .greg and .postreload.
4013 2000-10-30 Neil Booth <neilb@earthling.net>
4015 * cppfiles.c (stack_include_file): Check for stacked contexts
4017 * cpphash.h (_cpp_do__Pragma): New prototype.
4018 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
4020 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
4021 escaped newlines if !(buffer->from_stage3).
4022 (_cpp_lex_token): Warn about missing newlines iff
4023 !buffer->from_stage3.
4025 * cpplib.c (get__Pragma_string, destringize,
4026 _cpp_do__Pragma): New functions.
4027 (run_directive): Set output_line for _Pragma to avoid line
4028 markers in output. Set from_stage3 and prevent macro expansion
4029 for _Pragma and command-line options. Check buffer exhaustion.
4030 (cpp_push_buffer): Don't check for stacked macro contexts, as
4031 this is perfectly legitimate for _Pragma. Move the check to
4032 stack_include_file instead. Set from_stage3 iff buffer is
4035 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
4036 unsigned. New boolean from_stage3.
4037 (struct spec_nodes): Add n__Pragma.
4039 * cppmacro.c (enter_macro_context): Flip sense of return value.
4040 (_cpp_get_token): Handle _Pragma operator.
4042 2000-10-30 Phil Edwards <pme@sources.redhat.com>
4044 * gcc.texi: The C++ standard isn't "draft" anymore.
4046 2000-10-30 Mark Mitchell <mark@codesourcery.com>
4048 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
4050 2000-10-29 Neil Booth <neilb@earthling.net>
4052 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
4054 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
4056 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
4057 fixinc/inclhack.def: Change comments mentioning C9X to refer to
4060 * invoke.texi: Document that -V will only work for very similar
4061 versions of driver and compiler.
4063 2000-10-29 Neil Booth <neilb@earthling.net>
4065 * cppmacro.c (_cpp_create_definition): Optimize the case of
4066 a macro defined to itself.
4068 2000-10-29 Neil Booth <neilb@earthling.net>
4070 * cpplex.c (save_comment): Don't store new lines in C++ comments.
4072 2000-10-29 Michael Hayes <mhayes@redhat.com>
4074 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
4076 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
4078 * cpphash.c (cpp_forall_identifiers): Add context variable
4079 for callback routine.
4080 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
4082 (main): Call cpp_forall_identifiers with null context.
4083 * cpplib.h (cpp_forall_identifiers): Update prototype.
4085 * cppmain.c: Make `parse_in' and `print' static.
4087 2000-10-28 Alan Modra <alan@linuxcare.com.au>
4089 * c-decl.c (finish_function): Clear c_function_name_declared_p.
4091 2000-10-28 Richard Henderson <rth@redhat.com>
4093 * regrename.c (scan_rtx_address): Frob action, not class,
4094 when trying to disable optimization.
4096 2000-10-28 Mark Mitchell <mark@codesourcery.com>
4098 * c-semantics.c (make_rtl_for_local_static): Don't clobber
4099 DECL_ASSEMBLER_NAME.
4101 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
4103 * configure.in: Determine and substitute gcc_version_full.
4104 * configure: Regenerate.
4105 * gccbug.in: Use it to give full version. Don't allow
4108 2000-10-28 Richard Henderson <rth@redhat.com>
4110 * recog.c (split_all_insns): Run cleanup_subreg_operands
4113 * regrename.c (regrename_optimize): Verify that all registers of
4114 a multiple register mode are available.
4115 (scan_rtx_address): Accept the mode of the address; all callers
4118 * cpplib.c (run_directive): Fix prototype.
4120 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
4122 * reload.c (find_reloads): Distinguish "wins" so that we know whether
4123 a given operand won because of a matching constraint or not; then use
4124 that information to compute goal_alternative_matched properly.
4125 * reload1.c (choose_reload_regs): Never set reload_override_in for an
4128 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
4129 accurate value for MULT.
4130 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
4131 2% or > 98% before using static branch prediction bits.
4133 2000-10-28 Neil Booth <neilb@earthling.net>
4137 * cpplib.c (struct answer): New.
4138 (struct if_stack): Use cpp_lexer_pos rather than line and col.
4139 Rename cmacro mi_cmacro.
4140 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
4141 IN_I): New directive and flags.
4142 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
4143 parse_answer, parse_assertion, find_answer): New functions.
4144 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
4145 (lex_macro_node): New function to replace parse_ifdef and
4148 (_cpp_handle_directive): New function, combines _cpp_check_directive
4149 and _cpp_check_linemarker.
4151 (do_define, do_undef, parse_include, do_include, do_import,
4152 do_include_next, read_line_number, do_line, do_ident, do_pragma,
4153 do_pragma_once, do_pragma_poison, do_pragma_dependency):
4154 Update for new token getting interface.
4156 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
4157 : Update for new multiple-include optimisation technique.
4158 (do_elif): Don't forget to invalidate controlling macros.
4160 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
4161 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
4162 Functions to handle assertions with the new token interface.
4163 (do_assert, do_unassert): Use them.
4165 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
4168 (_cpp_init_stacks): Register directive names. Don't register special
4171 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
4172 new position recording regime.
4173 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4174 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
4175 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
4176 (cpp_type2name): Move to cpplex.c.
4178 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
4179 (parse_defined): Update to handle new multiple include optimisation
4180 method. Remove poisoned identifier warning.
4181 (parse_assertion, TYPE_NAME): Delete.
4182 (lex): Update for multiple include optimisation, removal of
4183 CPP_DEFINED, to use _cpp_test_assertion for assertions and
4185 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
4186 (op_as_text): New function, to wrap cpp_token_as_text.
4188 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
4189 Update for MI optimisation.
4190 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
4191 segfault on diagnostic.
4192 (_cpp_compare_file_date): Take a token rather than 3 args.
4193 (cpp_read_file): Work correctly for zero-length files.
4195 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
4196 _cpp_init_hashtable and _cpp_cleanup_hashtable.
4197 (cpp_lookup): Place identifiers at front of identifier pool
4198 for _cpp_lookup_with_hash.
4199 (_cpp_lookup_with_hash): Require identifiers to be at the front of
4200 the identifier pool. Commit the memory if not already in the
4203 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
4204 Initialise various members of cpp_reader, memory pools, and the
4206 (cpp_printer_init): Delete.
4207 (cpp_cleanup): Update.
4208 (struct builtin, builtin_array, initialize_builtins): Update for new
4209 hashnode definition and builtin handling.
4210 (cpp_start_read, cpp_finish): Don't take or initialise a
4213 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
4214 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
4215 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
4216 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
4217 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
4218 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
4219 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
4220 struct toklist, struct cpp_context, struct specnodes,
4221 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
4222 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
4223 enum builtin_type, cpp_can_paste): New.
4224 (struct cpp_token): Delete line and col members.
4225 (struct cpp_buffer): New member output_lineno.
4226 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
4227 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
4228 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
4229 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
4230 base_context, context, directive, mi_state, mi_if_not_defined,
4231 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
4232 mlstring_pos, macro_buffer, macro_buffer_len.
4233 Delete members mls_line, mls_column, token_list, potential_control_macro,
4234 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
4235 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
4236 save_parameter_spellings, need_newline, .
4237 Change type of date, time and spec_nodes members.
4238 Change prototypes for include and ident callbacks.
4239 (struct cpp_hashnode): Change type of name. Remove union members
4240 expansion and code. Add members macro, operator and builtin.
4242 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
4243 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
4244 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
4245 cpp_stop_lookahead): New prototypes.
4246 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
4248 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
4249 Move from cpphash.h.
4251 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
4252 ufputs): Move to cpplib.h.
4253 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
4254 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
4255 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
4256 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
4257 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
4258 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
4259 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
4260 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
4261 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
4262 _cpp_parse_assertion, _cpp_find_answer): Delete.
4263 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
4264 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
4265 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
4266 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
4267 _cpp_handle_directive, DSC): New.
4268 (struct include_file): New member defined.
4270 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
4271 _cpp_compare_file_date): Update.
4272 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
4273 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
4274 _cpp_cleanup_hashtable.
4276 * Makefile.in: Remove cppoutput.c.
4278 * cppoutput.c: Delete
4280 * fixheader.c (read_scan_file): Update for new cpp_get_token
4282 (recognized_function): New argument LINE.
4284 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4285 new cpp_get_token prototype.
4287 * scan.h (recognized_function): Update prototype.
4289 * po/POTFILES.in: Remove cppoutput.c.
4291 2000-10-27 Mark Mitchell <mark@codesourcery.com>
4293 * c-typeck.c (check_init_type_bitfields): Remove.
4294 (constructor_incremental): Likewise.
4295 (struct constructor_stack): Remove incremental bit.
4296 (struct initializer_stack): Likewise.
4297 (start_init): Don't play with constructor_incremental.
4298 (finish_init): Likewise.
4299 (really_start_incremental_init): Likewise.
4300 (push_init_level): Likewise.
4301 (pop_init_level): Likewise.
4302 (output_init_level): Likewise.
4303 (output_pending_init_elements): Likewise.
4305 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4307 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4308 Improve error messages. Correct parsing of
4309 #pragma pack(pop [,id]). Do not check the user-supplied
4310 alignment if we're popping.
4312 * gcc.dg/pack-test-1.c: New test case.
4313 * gcc.dg/pack-test-2.c: New test case.
4314 * gcc.dg/pack-test-1.h: New file.
4316 2000-10-27 Neil Booth <neilb@earthling.net>
4320 2000-10-27 Kelley Cook <kelley.cook@home.com>
4322 * invoke.texi: Document -mintel-syntax
4324 2000-10-27 Richard Henderson <rth@redhat.com>
4326 * invoke.texi: Document -frename-registers. Add it to -O3.
4327 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4328 (enum dump_file_index, dump_file): Update order.
4329 (main): Set flag_rename_registers at -O3.
4331 2000-10-27 Richard Henderson <rth@redhat.com>
4333 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4334 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4335 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4336 * config/alpha/alpha.md (call_osf_1): Use it.
4337 (call_value_osf_1): Likewise.
4339 * config/ia64/ia64.c: Revert 10-23 patch.
4340 (ia64_hard_regno_rename_ok): New.
4341 * config/ia64/ia64-protos.h: Declare it.
4342 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4344 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4345 Richard Henderson <rth@redhat.com>
4347 * regrename.c: Rewrite to handle multi-register modes and
4348 cond_exec instructions.
4349 * Makefile.in (regrename.o): Update dependancies.
4350 * recog.h (struct operand_alternative): Add is_address.
4351 * recog.c (preprocess_constraints) [case 'p']: Set it.
4353 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4355 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4356 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4357 top level. Kill oldstyle_subdirs. Do not include
4358 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4359 $outputs. Do not run configure.lang from config.status.
4360 Rearrange warning-flag logic to correspond to what the
4361 makefile wants. Put special vax stage1 options in
4362 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4363 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4364 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4365 switch is given, nothing otherwise.
4366 * configure.lang: Delete.
4368 * Makefile.in: Expunge all traces of extra_c_objs,
4369 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4370 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4371 warning options via a three level scheme so that -pedantic and
4372 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4373 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4374 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4375 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4376 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4377 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4378 generation rules. Wrap all rules that change the current
4379 directory in parentheses; pmake doesn't spawn a new shell for
4380 each command. Expunge all references to $(P). When one
4381 command depends on another and they're run all at once, use &&
4382 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4383 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4386 * objc/Make-lang.in: Wrap all rules that change the current
4387 directory in parentheses. Expunge all references to $(P).
4388 When one command depends on another and they're run all at
4389 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4390 all object-file generation rules. Delete obsolete variables.
4391 * objc/Makefile.in: Delete.
4393 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4395 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4396 clear tail_call_insns as well.
4398 2000-10-27 Nick Clifton <nickc@redhat.com>
4400 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4403 2000-10-26 Richard Henderson <rth@redhat.com>
4405 * calls.c (expand_call): Supress sibcall if we have a
4406 BLKmode return in registers.
4408 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4410 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4413 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4415 * tree.c (make_node, case 't'): Set alignment to that of
4417 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4419 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4421 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4422 * configure.in (enable-libstdcxx-v3): Arrange to have
4423 HAVE_LIBSTDCXX_V3 substituted into the output files.
4425 2000-10-25 Richard Henderson <rth@redhat.com>
4427 * recog.c (constrain_operands): Initialize which_alternative
4428 before no alternatives early exit.
4430 * cse.c (find_comparison_args): Check that we can reverse a
4431 comparison if needed before accepting the substitution.
4433 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4435 * simplify-rtx.c (simplify_relational_operation): Sign extend
4436 low words before sign extending to high words.
4438 2000-10-25 Nick Clifton <nickc@redhat.com>
4440 * config/mcore/mcore.c: Include config.h before system.h.
4442 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
4444 * config/mcore/mcore.md (return): Force function epilogue to
4445 always be generated to work around epilogue suppression bug in
4448 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
4450 * c-decl.c (grokdeclarator): Move warning for qualified void
4451 return types with -pedantic to when the function type is
4452 constructed. At -W, warn in general for qualified function return
4453 types, except for volatile void.
4454 * invoke.texi: Document this new warning at -W.
4456 2000-10-25 Neil Booth <neilb@earthling.net>
4458 * cpp.texi: Update with implementation-defined behavior and
4461 2000-10-25 Jakub Jelinek <jakub@redhat.com>
4463 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
4464 incomplete type force it into alias set 0.
4466 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
4468 * alias.c: Include basic-block.h.
4469 (loop_p): New function.
4470 (mark_constant_function): Use it.
4471 * Makefile.in (alias.o): Update dependencies.
4473 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4475 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
4478 2000-10-24 Jim Wilson <wilson@cygnus.com>
4480 * expmed.c (store_bit_field): Move integer pun code down after
4481 code that calls emit_move_insn for entire register move.
4482 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
4483 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
4485 2000-10-24 Richard Henderson <rth@cygnus.com>
4487 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
4488 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
4490 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4492 * gcse.c (cprop_insn): do not propagate constants into jump_insn
4493 for machines with CC0 more than once.
4495 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
4497 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
4498 pseudos just like memory.
4500 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
4502 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
4503 when deleting libcall sequence collapsed to a single instruction.
4505 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
4507 * expr.c (do_store_flag): Don't crash if either side of a
4508 comparison is error_mark_node.
4510 2000-10-24 Jakub Jelinek <jakub@redhat.com>
4512 * sibcall.c (purge_mem_unchanging_flag): New function.
4513 (optimize_sibling_and_tail_recursive_calls): Call it.
4515 2000-10-24 Philipp Thomas <pthomas@suse.de>
4517 * Makefile.in (check-po): New target for doing checks in the po
4518 subdir if all languages configured.
4519 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
4520 configure if NLS is enabled.
4521 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
4522 otherwise leave empty.
4523 * configure: Regenerate.
4525 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4527 * i386.c (print_operand): Handle new 'A' formatting code.
4528 387 opcodes need suffixes even with -mintel-syntax.
4529 Check for explicit size override (codes 'b', 'w' and 'k').
4530 (print_operand_address): Check if register prefix is needed when
4531 emitting `ds' segment override.
4532 * i386.h: Add comment about new 'A' formatting code.
4533 * i386.md (jump and call patterns): Emit absolute references using %A.
4535 2000-10-23 Richard Henderson <rth@cygnus.com>
4537 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
4538 output registers as fixed.
4539 (ia64_function_epilogue): Undo output fixation.
4541 2000-10-23 Richard Henderson <rth@cygnus.com>
4543 * config/alpha/alpha.md: Add names for all unnamed insns; use
4544 define_insn_and_split in some obvious places.
4546 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
4547 (zero_extendqisi2, zero_extendqidi2): Likewise.
4548 (zero_extendhisi2, zero_extendhidi2): Likewise.
4549 (abs splitters): Fix match_scratch operand number.
4550 (bcc_reverse): Swap pc & label instead of non-canonical compare.
4552 2000-10-23 Jim Wilson <wilson@cygnus.com>
4554 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
4556 * ia64.md (cmpsi_adjusted): Use %r3.
4557 (cmpdi_adjusted): Likewise.
4559 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4561 * config/i386/att.h (ASM_FILE_START): Define.
4563 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4565 * config/i386/linux.h (ASM_FILE_START): Define.
4567 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
4569 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
4570 since this (only) drags in a crt0.o reference that the .ld files
4573 2000-10-23 Geoff Keating <geoffk@cygnus.com>
4575 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
4576 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
4577 reloads just like an RELOAD_FOR_OUTPUT would.
4579 * local-alloc.c (update_equiv_regs): Add an abort(). When
4580 deleting or moving insns, update reg_equiv[regno].init_insns.
4582 2000-10-23 Mark Mitchell <mark@codesourcery.com>
4584 * c-tree.texi: Improve documentation for IF_STMTs and related
4585 conditional statements.
4587 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4589 * expr.c (do_preexpand_calls): Remove.
4590 (same_from_p): Don't use CALL_EXPR_RTL.
4591 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
4592 (preexpand_calls): Remove.
4593 * tree.c (first_rtl_op): Remove CALL_EXPR case.
4594 (unsave_expr_1): Likewise.
4595 * tree.def (CALL_EXPR): Give it only two slots.
4596 * tree.h (CALL_EXPR_RTL): Remove.
4598 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
4600 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
4601 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4604 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
4606 * calls.c (combine_pending_stack_adjustment_and_call): Don't
4607 adjust stack when unadjusted_alignment ends up as zero.
4609 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
4611 * fixinc/genfixes: Remove EGCS reference.
4612 * install.texi: Remove EGCS reference.
4613 * INSTALL: Regenerate.
4615 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4617 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
4619 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
4621 * diagnostic.c: Remove EGCS reference in comment.
4623 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4625 * loop.c (strength_reduce): Fix error in last change.
4627 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4629 * Makefile.in (SHLIB_NM_FLAGS): New.
4630 (libgcc.mk): Pass it.
4631 * mklibgcc.in (libgcc.map): Use it.
4633 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
4634 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
4636 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
4640 * sparc.c (load_pic_register): Delete unused varaible.
4642 * libgcc2.c (__addvsi3): Delete unused variable.
4644 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
4645 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
4646 __negvdi2): Prototype.
4648 * ssa.c (apply_delayed_renames): Avoid undefined operation.
4650 * toplev.c (display_target_options): Make static to match
4651 prototype. Delete empty declaration.
4653 2000-10-20 Tom Tromey <tromey@cygnus.com>
4655 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4656 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4658 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4660 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
4662 (expand_expr_unaligned, case ARRAY_REF): Check that index is
4663 a constant before comparing it; use tree_low_cst.
4664 * tree.c (save_expr): Set TREE_READONLY.
4665 (substitute_expr): Return inside of NON_LVALUE_EXPR.
4666 (build, build1): Set TREE_READONLY if all operands are.
4667 (build_index_type): If upper bound is a negative number, lower
4668 bound is zero and sizetype is unsigned, use upper bound of one and
4671 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4673 * gcc.c (process_command, main): Use "because" instead of
4674 "since" in error messages.
4676 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4678 * stor-layout.c (compute_record_mode): Use tree_low_cst.
4679 Don't use mode of field for record unless sizes are the same.
4680 (layout_type, case ARRAY_TYPE): Remove special bounds handling
4681 previously added for Ada; also change to using host_integerp
4684 * loop.c (strength_reduce): Show when new register made for
4685 giv is known to be a pointer and its aligment if so and known.
4686 (loop_dump_aux): Show VERBOSE parameter unused.
4688 * gcse.c (set_hash_table_size): Now unsigned.
4689 * sdbout.c (template_name_p): Add "const" to avoid warnings.
4690 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
4691 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
4692 (sdbout_end_epilogue): Remove variable NAME.
4693 * system.h (getopt): Add default definition.
4694 * config/alpha/alpha.c (print_operand): Don't continue processing
4695 after issuing error.
4696 (summarize_insn): Avoid use of UL in constant.
4698 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
4700 * fold-const.c (force_fit_type): Unsigned values can overflow
4701 if they are sizetype.
4702 (int_const_binop): Don't use cache if overflows.
4704 2000-10-20 Richard Henderson <rth@cygnus.com>
4706 * function.c (locate_and_pad_parm): Zero alignment_pad.
4708 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
4709 perform substitutions, and apply_change_group to see if it worked.
4711 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4713 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
4715 * combine.c (struct undo): Change int to unsigned int.
4716 (do_SUBST_INT): Args are unsigned int.
4717 (make_extraction, force_to_mode): Use proper type when forming mask.
4718 (make_field_assignment): Likewise.
4720 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
4722 * c-common.c (check_format_info_recurse): Extract string constant
4723 initializers from non-volatile constant arrays and check them as
4725 * c-typeck.c (decl_constant_value): Don't check pedantic or check
4726 for DECL_MODE (decl) != BLKmode.
4727 (decl_constant_value_for_broken_optimization): New function which
4728 includes these checks.
4729 (default_conversion, convert_for_assignment, digest_init): Use
4730 decl_constant_value_for_broken_optimization instead of
4731 decl_constant_value.
4733 2000-10-20 Mark Mitchell <mark@codesourcery.com>
4735 * tree.h (DECL_ALIGN_UNIT): New macro.
4737 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
4739 * config/avr/avr-protos.h (avr_output_bld): New.
4740 (out_shift_with_cnt): Add t_len argument.
4741 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
4742 (output_movqi, output_movhi, output_movsisf): Optimize loading
4743 any constant with exactly one bit set to NO_LD_REGS.
4744 (out_shift_with_cnt): Optimize output code for size or speed,
4745 depending on optimize_size. Handle small shift counts as well
4746 (if not hand-optimized in ?sh??i3_out). Shifts can be done
4747 with or without a scratch register, with help of __tmp_reg__
4748 or __zero_reg__ if necessary. Add T_LEN argument to pass the
4749 length of TEMPLATE in words, return total insn length in *LEN.
4750 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
4751 out_shift_with_cnt to work with the above change.
4752 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
4753 lshrsi3_out): Likewise. Optimize more known shift count cases.
4754 Remove cases already well optimized in out_shift_with_cnt.
4755 (avr_output_bld): New function.
4756 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
4757 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
4758 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
4759 Add reload_completed to insn condition - only for peepholes.
4760 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
4761 in a register or memory.
4762 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
4763 Do not require a scratch register.
4764 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
4765 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
4766 Optimize shifts by known count using a scratch register, but only
4767 if one is still available after register allocation.
4769 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4771 * t-vax: New file. Don't build modules from libgcc1.c.
4773 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
4775 * alias.c: (mark_constant_function): Don't check pure functions.
4776 Initialize and end alias analysis.
4777 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
4778 Don't make a special exception for recursion. Handle
4779 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
4780 unless it's volatile.
4782 * local-alloc.c (equivalence): New structure.
4783 (reg_equiv): Define.
4784 (contains_replace_regs): Remove array and use
4786 (memref_referenced_p): Likewise.
4787 (no_equiv): Likewise.
4788 (update_equiv_regs): Likewise.
4790 (equiv_init_varies_p,
4791 equiv_init_movable_p): New functions.
4792 (update_equiv_regs): Use them. Use rtx_varies_p
4793 instead of function_invariant_p. Process insns
4794 from end to beginning. Allow a REG_EQUIV insn
4795 within the same loop as a use to be moved, also
4796 allow it to be moved out of a loop. Update
4797 REG_DEAD notes when substituting into an insn.
4799 2000-10-19 Jim Wilson <wilson@cygnus.com>
4801 * c-decl.c (start_decl): Check for error_mark_node type before using
4803 (finish_decl): Likewise. Don't give an error if decl type is
4804 already error_mark_node.
4806 * haifa-sched.c (compute_trg_info): Add explanatory comments.
4807 New local update_blocks. Use update_blocks to remove duplicates
4808 when computing update blocks. Check for bblst_table overflow.
4809 (schedule_block): Add explanatory comment. Reduce bblst_size by
4811 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
4814 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4816 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
4818 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4820 * expmed.c: Minor corrections in comments.
4821 * invoke.texi: Added desciption for the new option -ftrapv.
4823 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4825 * libgcc2.c: Added the missing #endif.
4827 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4829 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
4831 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
4833 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
4834 Use smulv_optab for -ftrapv.
4835 (expand_mult_highpart): Use unsigned multiply.
4836 (expand_divmod): Special-case division by -1.
4837 For EXACT_DIV_EXPR, do right shift first, then the multiply.
4838 For complex divide, use abs with unsigned result.
4839 * expr.c (force_operand): Use unsigned multiply.
4840 (expand_expr): Use overflow-trapping optabs for signed types if
4842 If flag_trapv, don't generate a recursive call with EXPAND_SUM
4843 if the type is signed and the original call wasn't EXPAND_SUM or
4845 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
4846 (negv_optab, absv_optab): Declare.
4847 * flags.h (flag_trapv): Declare.
4848 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
4849 smulv_optab, sdivv_optab, negv_optab and absv_optab.
4850 (gen_insn): Interpret '$P' as requiring an integer mode,
4851 including partial integer modes.
4852 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
4853 (product_cheap_p): Use unsigned expand_mult.
4854 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
4855 (negv_optab, absv_optab): Define.
4856 (expand_binop): Use overflow-trapping optabs for signed types if
4858 Handle negv_optab libe neg_optab.
4859 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
4860 Use overflow-trapping optabs for signed result if flag_trapv.
4861 (expand_complex_abs): Use overflow-trapping optabs for signed types if
4863 Don't open-code complex absolute-value operation for flag_trapv.
4864 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
4865 sdivv_optab, negv_optab and absv_optab.
4866 * toplev.c (flag_trapv): Define.
4867 (lang_independent_options f_options): Include flag_trapv.
4868 * tree.h (TYPE_TRAP_SIGNED): Define.
4869 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4870 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4872 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4873 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4875 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4876 David V. Henkel-Wallace <gumby@cygnus.com>
4878 * config/i386/t-netware: Bring in from the Red Hat tree.
4879 * config/i386/netware.h: Likewise.
4880 * config/netware.h: Likewise.
4881 * config/rs6000/netware.h: Delete.
4882 * configure.in: Add i[34567]86-*-netware.
4883 * configure: Hand-edit to match configure.in change.
4885 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4887 * c-common.h (flag_no_builtin): Declare.
4888 (flag_no_nonansi_builtin): Likewise.
4889 (c_common_nodes_and_builtins): Change prototype.
4890 * c-common.c (flag_no_builtin): New variable.
4891 (flag_no_nonansi_builtin): Likewise.
4892 (c_common_nodes_and_builtins): Remove parameters. Adjust
4894 * c-decl.c (flag_no_builtin): Remove.
4895 (flag_no_nonansi_builtin): Likewise.
4896 (init_decl_processing): Adjust call to
4897 c_common_nodes_and_builtins.
4899 2000-10-18 Marc Espie <espie@openbsd.org>
4901 * tm.texi (LIBGCC_SPEC): Synch with reality.
4903 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4905 * c-common.c (check_format_types): Check for writing through a
4906 NULL pointer argument.
4908 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4910 * tm.texi (Exception Region Output): Document
4911 DWARF_CIE_DATA_ALIGNMENT.
4912 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4914 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4915 DWARF_CIE_DATA_ALIGNMENT.
4917 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4919 * basic-block.h (struct loop): Delete fields pre_header_root
4920 and pre_header_trace and replace with pre_header_edges
4921 and num_pre_header_edges.
4922 * flow.c (flow_loop_dump): Dump pre_header_edges.
4923 (flow_loops_free): Free pre_header_edges.
4924 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4926 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4928 * contrib.texi: Update references to steering committee members
4929 and Jeff Law's entry.
4931 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4933 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4934 (maybe_read_dollar_number, check_format_info_main): Use them for
4935 pedantic warning messages.
4937 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4939 * c-common.c (check_format_info_main): Minor cleanup: move
4940 variables into inner scopes; initialize declarations where
4941 appropriate; don't hardcode "scanf" name on warning for zero
4944 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4946 * c-common.c (back_end_hook): New variable.
4947 * c-common.h (back_end_hook): Declare it.
4948 * c-lang.c (finish_file): Use it.
4950 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4953 2000-10-18 Jan Hubicka <jh@suse.cz>
4955 * i386.c (ix86_comparison_operator, put_condition_code,
4956 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4957 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4958 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4959 * i386.md (adddi and negdi splitter): Use CCRCmode.
4960 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4961 (subsi3_carry): add '*'
4962 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4963 (cmp to add peep2): Use CCRCmode; swap operands.
4965 2000-10-18 Kazu Hirata <kazu@hxi.com>
4967 * h8300.c: Fix a comment typo.
4968 (round_frame_size): New.
4969 (compute_saved_regs): Likewise.
4972 (push_order): Remove.
4973 (pop_order): Likewise.
4974 (function_prologue): Rearrange code for readability.
4975 (function_epilogue): Likewise.
4977 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4978 expander that is used when not optimizing. Output a tab after
4979 each assembly insns.
4981 * reorg.c: Fix formatting.
4983 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4985 * reload1.c (move2add_note_store): Check for simple
4986 auto-inc in destination.
4988 2000-10-17 Michael Chastain <chastain@redhat.com>
4990 * config/i386/i386-aout.h: define INT_ASM_OP.
4992 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
4994 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
4996 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
4998 * i370.md: Fix spelling typo.
5000 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5002 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
5003 Fixes execute/20001017-1.c on powerpc-linux-gnu.
5005 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
5006 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
5009 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
5010 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
5012 * rs6000/aix.h: ...to here.
5013 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
5015 2000-10-17 Jakub Jelinek <jakub@redhat.com>
5017 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
5019 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
5020 sure linker can relax even the delay slot mov %g1,%o7, fix output
5023 2000-10-17 Kazu Hirata <kazu@hxi.com>
5025 * config/h8300/h8300.md: Remove an unnecessary zero_extend
5026 expander that is used when not optimizing. Output a tab after
5027 each assembly insns.
5029 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
5031 * gcc.c: New options --target-help.
5032 (process_command): Added code to parse this new option.
5033 * toplev.c (display_target_options): New function to support the
5035 * cppinit.c (new_pending_directive) : New option OPT_target__help.
5036 (cpp_handle_option): Support this new option.
5037 * invoke.texi: Added notes about --target-help option.
5039 2000-10-17 Graham Stott <grahams@redhat.com>
5041 * config/i386/i386.md (testqi_1): Add missing operand prefix
5043 * config/i386/i386-protos.h: Add missing prototype.
5045 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
5047 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
5048 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
5049 using -mintel-syntax.
5051 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5053 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
5054 (format_types): Use it for printf.
5055 (maybe_read_dollar_number): Add parameter for the kind of format
5056 involved. Warn for multiple use for arguments if this is
5057 inappropriate for the kind of format involved.
5058 (check_format_info_main): Update calls to maybe_read_dollar_number.
5060 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5062 * inclhack.def (hpux_maxint): Also apply fix to values.h.
5063 * fixincl.x: Rebuilt.
5065 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
5067 * genrecog.c (write_switch): Return the first condition that needs a
5070 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
5072 * c-tree.h (warn_sequence_point): Move declaration to...
5073 * c-common.h (warn_sequence_point): ... here.
5074 * c-decl.c (warn_sequence_point): Move definition to...
5075 * c-common.c (warn_sequence_point): ... here.
5076 (struct reverse_tree): New.
5077 (reverse_list, reverse_max_depth): New static variables.
5078 (build_reverse_tree, common_ancestor, modify_ok
5079 verify_sequence_points): New functions.
5080 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
5081 * c-typeck.c (check_modify_expr): Delete.
5082 (build_modify_expr): Don't call it.
5084 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5086 * c-common.h (warn_missing_format_attribute): New variable.
5087 * c-decl.c (warn_missing_format_attribute): New variable.
5088 (c_decode_option): Decode -Wmissing-format-attribute and
5089 -Wno-missing-format-attribute.
5090 * c-common.c (check_function_format): If
5091 -Wmissing-format-attribute, give a warning where a vprintf or
5092 vscanf function is called by a function without its own printf or
5094 * toplev.c (documented_lang_options): Add
5095 -Wmissing-format-attribute.
5096 * invoke.texi: Document -Wmissing-format-attribute.
5098 2000-10-17 Marc Espie <espie@openbsd.org>
5100 * invoke.texi (-shared): Insist on requiring code generation flags
5101 to be used along with -shared, and document the subtle failure that
5102 may occur otherwise.
5104 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5106 * pa.md (return_internal): Move `use' after `return'.
5108 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5110 * machmode.def: Correct comment.
5112 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
5114 * print-rtl.c (print_rtx_head): Constify.
5115 * rtl.h (print_rtx_head): Similarly.
5117 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
5118 Constify char * return value.
5120 (output_64bit_and, output_64bit_ior): Constify char * return value.
5121 (pa_can_combine_p): Make static.
5122 (function_arg): Decorate unused `named' argument. Fix comment typo.
5123 (function_arg_partial_nregs): Decorate unused `named' argument.
5125 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
5127 * c-common.c (format_check_results): New structure.
5128 (finish_dollar_format_checking): Adjust to take a
5129 format_check_results * parameter.
5130 (check_format_info, check_format_info_recurse,
5131 check_format_info_main): Split check_format_info into three
5132 functions, the main checking going in check_format_info_main.
5133 Recurse when any reduction of the format string argument towards a
5134 string literal is done; go down both branches of a conditional
5135 expression. Don't warn for extra format arguments or empty format
5136 strings if they only occur in some branches of a conditional
5139 2000-10-16 Kazu Hirata <kazu@hxi.com>
5141 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
5143 2000-10-16 Jakub Jelinek <jakub@redhat.com>
5145 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
5147 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
5149 * i386.md (*movsi_or): Switch operand order for intel syntax.
5151 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
5155 * gcc.texi (Contributing): Update.
5157 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
5159 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
5160 appropriate assembler dialect.
5162 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
5164 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
5166 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
5168 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
5169 constants 1 and 2 to NO_LD_REGS.
5171 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
5175 * objc/Make-lang.in (objc-parse.c): Likewise.
5177 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5179 * arm.c: Include obstack.h
5180 (minipool_obstack, minipool_startobj): Define.
5181 (arm_add_gc_roots): Initialize them.
5182 (create_fix_barrier): Use our new obstack.
5183 (push_minipool_barrier, push_minipool_fix): Likewise.
5184 (arm_reorg): Release obstack memory.
5186 2000-10-13 Jakub Jelinek <jakub@redhat.com>
5188 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
5189 (prologue, exception_receiver, builtin_setjmp_receiver): New
5191 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
5192 * config/sparc/sparc-protos.h (finalize_pic): Remove.
5193 (load_pic_register): New prototype.
5194 * config/sparc/sparc.c (pic_setup_code): Remove.
5195 (finalize_pic): Rename to...
5196 (load_pic_register): ...this function.
5197 Don't look for nonlocal_goto_receivers and emit pic setup code
5198 directly. Don't check current_function_uses_pic_offset_table.
5200 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5202 * tree.h (struct obstack): Declare.
5204 2000-10-12 Mark Mitchell <mark@codesourcery.com>
5207 * Makefile.in (ggc-callbacks.o): Remove target.
5208 (flow.o): Depend on GGC_H.
5209 * alias.c (init_alias_analysis):
5210 Remove ggc_p conditionals.
5211 (end_alias_analysis): Likewise.
5212 * basic-block.h (init_flow): New function.
5213 (allocate_reg_life_data): Declare.
5214 * bb-reorder.c (function_obstack): Replace with ...
5215 (flow_obstack): ... new variable.
5216 (fixup_reorder_chain): Use it.
5217 * c-decl.c (ggc_p): Remove.
5218 (caller-save.c): Don't call oballoc/obfree.
5220 undobuf): Remove storage.
5221 (try_combine): Don't call oballoc.
5222 (undo_all): Don't call obfree.
5223 * cse.c (insert): Use xmalloc, not
5225 (cse_main): Adjust accordingly.
5226 * dwarf2out.c (save_rtx): Remove
5228 (dwarf2out_init): Remove ggc_p conditionals.
5229 * emit-rtl.c (rtl_obstack): Remove.
5230 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
5231 (make_insn_raw): Likewise.
5232 (emit_insn_before): Likewise.
5233 (emit_insn_after): Likewise.
5234 (emit_insn): Likewise.
5235 (gen_sequence): Likewise.
5236 (copy_insn_1): Remove handling of `b' RTL components.
5237 (init_emit_once): Remove ggc_p conditionals.
5238 * except.c (create_rethrow_ref): Don't fool with obstacks.
5239 (add_partial_entry): Likewise.
5240 (call_get_eh_context): Likewise.
5241 (begin_protect_partials): Likewise.
5242 (protect_with_terminate): Likewise.
5244 (plus_constant_wide): Likewise.
5245 * expr.c (init_expr_once):
5247 (emit_block_move): Likewise.
5248 (clear_storage): Likewise.
5249 (expand_expr): Likewise.
5250 * flow.c (function_obstack): Remove.
5251 (flow_obstack): New variable.
5252 (flow_firstobj): Likewise.
5253 (create_base_block): Use the flow_obstack.
5254 (split_block): Likewise.
5255 (split_edge): Likewise.
5256 (calculate_global_regs_live): Likewise.
5257 (allocate_bb_life_data): Make it static. Likewiwse.
5258 (init_flow): New function.
5259 (size_int_type_wide): Remove ggc_p conditionals.
5261 (push_function_context_to): Don't call save_tree_status.
5262 (pop_function_context_from): Or restore_tree_status.
5263 (assign_stack_local_1): Don't call push_obstacks.
5264 (find_fixup_replacement): Use xmalloc.
5265 (fixup_var_refs_insns): Free the storage.
5266 (insns_for_mem_walk): Don't mess with obstacks.
5267 (instantiate_decls): Likewise.
5268 (trampoline_address): Likewise.
5269 (expand_function_end): Likewise.
5270 * function.h (sturct function):
5271 Remove obstack-related variables.
5272 (save_tree_status): Don't declare.
5273 (restore_tree_status): Likewise.
5274 * gcse.c (compute_can_copy):
5275 Don't call oballoc/obfree.
5276 * genattrtab.c (operate_exp): Remove
5278 (simplify_cond): Likewise.
5279 (simplify_test_exp): Don't mess with obstacks.
5280 (optimize_attrs): Likewise.
5281 * gengenrtl.c (gendef): Don't include
5283 * ggc-callbacks.c (ggc_p): Remove.
5284 * ggc-none.c (ggc_p): Remove.
5285 * ggc.h (ggc_p): Don't declare.
5286 * integrate.c (save_for_inline): Don't mess with obstacks.
5287 (integrate_decl_tree): Likewise.
5288 (output_inline_function): Likewise.
5290 (init_EXPR_INSN_LIST_cache): Likewise.
5291 * loop.c (temp_obstack):
5293 (rtl_obstack): Likewise.
5294 (init_loop): Don't mess with obstacks.
5295 (reg_address_cost): Free BIVs and GIVs.
5296 (check_insns_for_bivs): Use xmalloc, not oballoc.
5297 (find_mem_givs): Likewise.
5298 (record_biv): Likewise.
5299 (general_induction_var): Likewise.
5300 (product_cheap_p): Likewse.
5301 * optabs.c (init_one_libfunc): Remove
5303 * print-tree.c (debug_tree): Don't use
5305 (print_node): Likewise.
5306 * profile.c (output_func_start_profiler):
5307 Remove call to temporary_allocation.
5309 (eliminate_regs_in_insn): Don't mess with obstacks.
5311 (mark_target_live_regs): Use xmalloc.
5312 (free_resource_info): Free the memory.
5313 * rtl.c (rtl_obstack):
5315 (rtvec_alloc): Don't mess with obstacks.
5316 (rtx_alloc): Likewise.
5318 (copy_rtx): Don't handle `b' cases.
5319 (read_rtx): Use a local rtl_obstack.
5320 * rtl.h (oballoc): Remove.
5322 (pop_obstacks): Likewise.
5323 (push_obstacks): Likewise.
5324 (allocate_bb_life_data): Likewise.
5325 (allocate_reg_life_data): Likewise.
5326 (rtx_free): Likewise.
5327 * sdbout.c (sdbout_queue_anonymous_type):
5328 Use tree_cons, not saveable_tree_cons.
5330 (cselib_init): Don't mess with obstacks.
5332 (mark_block_nesting): Mark the label_chain.
5333 (epxand_label): Use ggc_alloc, not oballoc.
5334 (clear_last_expr): Don't mess with obstacks.
5335 (expand_decl_cleanup): Likewise.
5336 (expand_dcc_cleanup): Likewise.
5337 (expand_dhc_cleanup): Likewise.
5338 (expand_anon_union_decl): Likewise.
5339 (add_case_node): Use xmalloc, not oballoc.
5340 (free_case_nodes): New function.
5341 (expand_end_case): Call it.
5342 * stor-layout.c (layout_type): Don't
5344 (layout_type): Likewise.
5345 * toplev.c (wrapup_global_declarations):
5347 (compile_file): Remove ggc_p conditionals.
5348 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5349 (decode_f_option): Remove ggc_p conditionals.
5351 (function_maybepermanent_obstack): Remove.
5352 (maybepermanent_obstack): Likewise.
5353 (function_obstack): Likewise.
5354 (tmeporary_obstack): Likewise.
5355 (momentary_obstack): Likewise.
5356 (temp_decl_obstack): Likewise.
5357 (saveable_obstack): Likewise.
5358 (rtl_obstack): Likewise.
5359 (current_obstack): Likewise.
5360 (expression_obstack): Likewise.
5361 (struct obstack_stack): Likewise.
5362 (obstack_stack): Likewise.
5363 (obstack_stack_obstack): Likewise.
5364 (maybepermanent_firstobj): Likewise.
5365 (temporary_firstobj): Likewise.
5366 (momentary_firstobj): Likewise.
5367 (temp_decl_firstobj): Likewise.
5368 (momentary_function_firstobj): Likewise.
5369 (all_types_permanent): Likewise.
5370 (struct momentary_level): Likewise.
5371 (momentary_stack): Likewise.
5372 (init_obstacks): Remove initialization of removed obstacks.
5373 (save_tree_status): Remove.
5374 (restore_tree_status): Likewise.
5375 (temporary_allocation): Liekwise.
5376 (end_temporary_allocation): Liekwise.
5377 (resume_temporary_allocation): Likewise.
5378 (saveable_allocation): Likewise.
5379 (push_obstacks): Likewise.
5380 (push_obstacks_nochange): Likewise.
5381 (pop_obstacks): Likewise.
5382 (allocation_temporary_p): Likewise.
5383 (permanent_allocation): Likewise.
5384 (preserve_data): Likewise.
5385 (preserve_initializer): Likewise.
5386 (rtl_in_current_obstack): Likewise.
5387 (rtl_in_saveable_obstack): Likewise.
5388 (oballoc): Likewise.
5390 (savealloc): Likewise.
5391 (expralloc): Likewise.
5392 (print_obstack_name): Likewise.
5393 (debug_obstack): Likewise.
5394 (object_permanent_p): Likewise.
5395 (push_momentary): Likewise.
5396 (perserve_momentary): Likewise.
5397 (clear_momentary): Likewise.
5398 (pop_momentary): Likewise.
5399 (pop_momentary_nofree): Likewise.
5400 (suspend_momentary): Likewise.
5401 (resume_momentary): Likewise.
5402 (make_node): Don't set TREE_PERMANENT.
5403 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5404 Don't set TREE_PERMANENT.
5405 (get_identifier): Remove ggc_p conditionals.
5406 (build_string): Likewise.
5407 (make_tree_vec): Likewise.
5408 (build_decl_list): Remove.
5409 (build_expr_list): Likewise.
5410 (tree_cons): Remove ggc_p conditionals.
5411 (decl_tree_cons): Remove.
5412 (expr_tree_cons): Likewise.
5413 (perm_tree_cons): Likewise.
5414 (temp_tree_cons): Likewise.
5415 (saveable_tree_cons): Likewise.
5416 (build1): Remove ggc_p conditionals.
5417 (build_parse_node): Likewise.
5418 (build_type_attribute_variant): Don't mess with obstacks.
5419 (build_type_copy): Likewise.
5420 (type_hash_canon): Likewise.
5421 (build_pointer_type): Likewise.
5422 (build_reference_type): Likewise.
5423 (build_index_type): Likewise.
5424 (build_range_type): Likewise.
5425 (dump_tree_statistics): Don't print obstack information.
5427 (struct tree_common): Remove permanent_flag.
5428 (TREE_PERMANENT): Remove.
5429 (TREE_SET_PERMANENT): Likewise.
5430 (TYPE_OBSTACK): Likewise.
5431 (struct tree_type): Remove obstack.
5433 (savealloc): Likewise.
5434 (build_decl_list): Likewise.
5435 (build_expr_list): Likewise.
5436 (perm_tree_cons): Likewise.
5437 (temp_tree_cons): Likewise.
5438 (saveable_tree_cons): Likewise.
5439 (decl_tree_cons): Likewise.
5440 (expr_tree_cons): Likewise.
5441 (suspend_momentary): Likewise.
5442 (allocation_temporary_p): Likewise.
5443 (resume_momentary): Likewise.
5444 (push_obstacks_nochange): Likewise.
5445 (permanent_allocation): Likewise.
5446 (push_momentary): Likewise.
5447 (clear_momentary): Likewise.
5448 (pop_momentary): Likewise.
5449 (end_temporary_allocation): Likewise.
5450 (pop_obstacks): Likewise.
5451 (push_obstacks): Likewise.
5452 (pop_momentary_nofree): LIkewise.
5453 (preserve_momentary): Likewise.
5454 (saveable_allocation): Likewise.
5455 (temporary_allocation): Likewise.
5456 (resume_temporary_allocation): Likewise.
5457 (perserve_initializer): Likewise.
5458 (debug_obstack): Likewise.
5459 (rtl_in_current_obstack): Likewise.
5460 (rtl_in_saveable_obstack): Likewise.
5462 * varasm.c (current_obstack): Remove.
5463 (saveable_obstack): Remove.
5464 (rtl_obstack): Remove.
5465 (immed_double_const): Don't mess with obstacks.
5466 (immed_real_cons): Likewise.
5467 (output_constant_def): Likewise.
5468 (init_varasm_status): Use xcalloc.
5469 (mark_pool_constant): Mark the pool constant itself.
5470 (free_varasm_status): Free memory.
5471 (decode_rtx_const): Call bzero directly, rather than expanding it
5473 (record_rtx_const): Don't mess with obstacks.
5474 (force_const_mem): Likewise.
5475 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
5477 (aof_pic_entry): Likewise.
5478 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
5479 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
5480 * config/pa/pa.c (saveable_obstack): Remove.
5481 (rtl_obstack): Likewise.
5482 (current_obstack): Likewise.
5483 (output_call): Don't mess with obstacks.
5484 (hppa_encode_label): Remove ggc_p conditionals.
5485 * config/romp/romp.c (get_symref): Don't mess with obstacks.
5486 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
5487 (rs6000_encode_section_info): Likewise.
5488 * config/sh/sh.c (get_fpscr_rtx): Likewise.
5490 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
5492 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
5493 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
5494 (addsi3_carry): Canonicalize.
5495 (addqi_5): Remove '*'.
5496 (sbb pattern): Canonicalize.
5498 * i386.md (cmp to inc/add peep2): New.
5500 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
5502 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
5505 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5507 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
5508 * README.TRAD, TESTS.FLUNK: Remove.
5510 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5512 * c-common.c (decl_attributes): Don't allow strftime formats with
5513 first_arg_num nonzero.
5514 (check_format_info): Set wanted_type and wanted_type_name to zero
5515 before they are possibly assigned and used.
5517 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5519 * c-common.c (scanf_flag_specs): Add flags ' and I.
5520 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5521 or the ^ and # flags together.
5522 (scan_char_table): Handle the ' and I flags.
5523 (format_types): Add ' and I flags for scanf.
5525 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5527 * c-common.c (print_char_table): Use the unpromoted type for
5528 lengths "h" and "hh" with conversions dioxXu.
5529 (check_format_types): Apply the default argument promotions where
5530 the wanted type is not a pointer target.
5532 2000-10-11 Michael Meeks <mmeeks@gnu.org>
5533 Joseph S. Myers <jsm28@cam.ac.uk>
5535 * c-typeck.c (check_modify_expr): New function.
5536 (build_modify_expr): Call it if warn_sequence_point.
5537 * c-decl.c (warn_sequence_point): New variable.
5538 (c_decode_option): Handle -Wsequence-point and
5539 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
5540 * c-tree.h (warn_sequence_point): Declare.
5541 * invoke.texi (-Wsequence-point): Document.
5542 * toplev.c (documented_lang_options): Add -Wsequence-point and
5543 -Wno-sequence-point.
5544 Original work by Michael Meeks, 16 Jun 1998.
5546 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5548 * tree.c (get_narrower): Don't look at precision of field if
5551 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
5553 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
5554 declaration for data with "progmem" attribute.
5556 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
5558 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
5559 Correct insn length if shift count is a memory operand.
5560 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
5561 (*iorhi3_clobber): Change lo8 to hi8.
5562 (zero_extendhisi2): Change %B0 to %A1.
5563 (ashlhi3, ashrhi3): Correct insn length.
5564 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
5565 from "clobber" to "set_n" in some alternatives.
5567 2000-10-10 Jakub Jelinek <jakub@redhat.com>
5569 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
5570 remove its insn_chain structure as well.
5572 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5574 * dbxout.c (dbxout_source_line): Remove extra tab.
5576 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
5578 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
5580 2000-10-09 Richard Henderson <rth@cygnus.com>
5582 * Makefile.in (LANG_LIB2FUNCS): Remove.
5583 (LIB2FUNCS): Remove _pure.
5584 (LIB2ADD): Remove LANG_LIB2FUNCS.
5585 (stage_a): Don't set LANG_LIB2FUNCS.
5586 * libgcc2.c (__terminate): Mark noreturn.
5587 (__pure_virtual): Remove.
5588 * mklibgcc.in: Remove LIB2ADD .txt processing.
5590 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5592 * arm.md (push_multi): Revert unintended change.
5594 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5596 * arm.c: Miscellaneous white space and comment clean-ups. No
5600 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5602 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
5603 STRING_CST by calling combine_strings.
5605 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5607 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
5608 (thumb_output_move_mem_multiple): Support new insn format.
5609 * arm.md (movmem12b): Use SSA compatible format.
5610 (movmem8b): Likewise.
5612 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5614 * arm.md (predicable): New attribute, default to "no".
5615 (all patterns): Mark as predicable if appropriate.
5616 (conditional execution splits): Split using predication format.
5617 (define_cond_exec): Define.
5618 * arm.c (arm_print_operand): handle insn predicate.
5620 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5622 * README.NS32K: Remove file.
5624 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5626 * README-bugs: Remove file.
5628 2000-10-08 Philipp Thomas <pthomas@suse.de>
5629 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
5631 * configure: Rebuilt.
5633 2000-10-08 Philipp Thomas <pthomas@suse.de>
5634 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
5635 disable catalog building if no suitable program was found.
5636 Move warning message from here
5637 (AM_GNU_GETTEXT): To here.
5638 * configure: Rebuilt.
5640 2000-10-08 Philipp Thomas <pthomas@suse.de>
5641 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
5642 different cache variables.
5643 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
5644 uses different cache variables.
5645 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
5646 * configure: Regenerated.
5648 2000-10-08 Richard Henderson <rth@cygnus.com>
5650 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
5651 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
5652 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
5655 * config/t-linux (SHLIB_EXT): New.
5656 (SHLIB_LINK): Use the entire build command, with substitutions.
5657 (SHLIB_LIBS): Remove.
5658 * config/alpha/t-osf4: Likewise.
5659 * config/mips/t-iris6: Likewise.
5660 * config/sparc/t-sol2: Likewise, but move shlib stuff...
5661 * config/sparc/t-slibgcc-sld: ...here.
5662 * config/sparc/t-slibgcc: New file.
5664 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5666 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
5667 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
5669 (intmax_type_node, uintmax_type_node): Define.
5670 * c-common.c (decl_attributes): If pedantic, warn if `mode'
5671 attributes create a type wider than intmax_t.
5672 (T_IM, T_UIM): Define properly.
5673 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
5675 (init_decl_processing): Initialize intmax_type_node and
5677 * c-lex.c (lex_number): When pedantic and warning for integer
5678 constants that are too large, in C99 mode warn for those that have
5679 a type wider than long long.
5681 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5683 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
5684 FMT_FLAG_FANCY_PERCENT_OK): Define.
5685 (format_char_info): Add flag "4" to comment.
5686 (format_flag_spec, format_flag_pair): New structures.
5687 (format_kind_info): Add additional fields to control format
5689 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
5690 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
5692 (time_char_table): Use "4" flag to handle %Ey.
5693 (format_types): Add entries for new fields.
5694 (get_flag_spec): New function.
5695 (check_format_info): Increase size of flag_chars[] to 256.
5696 Control format checking using the new fields of a format_kind_info
5697 and the new tables; remove all conditionals on printf_format_type,
5698 scanf_format_type or strftime_format_type. Handle all details of
5699 bad combinations of flags (including width, precision and strftime
5700 modifiers) through data rather than ad hoc code. Handle all
5701 details of standard versions in which flags appeared through
5702 data. Use the "4" flag.
5704 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
5706 * config/h8300/h8300.md: Remove the memory alternative and correct
5707 the insn lengths in the templates for sign extention and zero
5710 2000-10-07 Richard Henderson <rth@cygnus.com>
5712 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
5713 * flow.c (make_edges): Revert last change.
5715 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
5717 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
5719 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
5721 * config/alpha/elf.h: Standardize the formatting.
5723 2000-10-06 David O'Brien <obrien@FreeBSD.org>
5725 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
5728 2000-10-06 Richard Henderson <rth@cygnus.com>
5730 * function.c (diddle_return_value): Examine
5731 current_function_return_rtx instead of the DECL_RESULT.
5732 (expand_function_end): Handle reloading DECL_RESULT from memory
5733 into a hard register. Query promote_mode for sign of mismatched
5736 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5738 * haifa-sched.c (schedule_insns): Fix typo in freeing
5739 forward_dependency_cache.
5741 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5743 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
5744 `TARGET_SH2' as a condition.
5746 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5748 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
5749 forward_dependency_cache): New variables.
5750 (add_dependence, remove_dependence): Use anti_dependency_cache and
5751 output_dependency_cache.
5752 (compute_block_forward_dependences): Use forward_dependency_cache.
5753 (schedule_insns): Allocate and free memory for anti/output/forward
5754 dependencies caches.
5756 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5758 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
5759 `! TARGET_SH1'. Reindent.
5761 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5763 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
5764 Move functions from here ...
5766 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
5768 (c_expand_builtin): New function.
5769 (init_function_format_info): Don't set `check_function_format_ptr'.
5770 (c_common_nodes_and_builtins): Set built_in_class type for
5771 printf/__builtin_printf to BUILT_IN_FRONTEND.
5772 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
5774 * c-common.h (build_function_call): Declare.
5776 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
5777 to `lang_expand_expr' rather than `expand_builtin'.
5779 * tree.c (check_function_format_ptr): Delete.
5781 * tree.h (check_function_format_ptr): Likewise.
5783 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
5785 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
5786 DW_OP_bregx when cfa->reg > 31.
5788 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
5791 2000-10-05 Richard Henderson <rth@cygnus.com>
5793 * c-decl.c (warn_missing_noreturn): Remove.
5794 (c_expand_body): Don't set or check can_reach_end.
5795 * c-tree.h (warn_missing_noreturn): Move ...
5796 * flags.h: ... here.
5797 (can_reach_end): Remove.
5798 * flow.c (check_function_return_warnings): New.
5799 (make_edges): No edge to exit for noreturn sibcalls.
5800 * function.c (expand_function_end): Save the return value
5801 clobber instruction.
5802 (mark_function_status): Mark it.
5803 * function.h (struct function): Add x_clobber_return_insn.
5804 * jump.c (can_reach_end): Remove.
5805 (calculate_can_reach_end): Remove.
5806 (jump_optimize_1): Don't call it.
5807 * output.h (check_function_return_warnings): Declare.
5808 * toplev.c (warn_missing_noreturn): Move from c-decl.c
5809 (rest_of_compilation): Call check_function_return_warnings.
5811 2000-10-05 Richard Henderson <rth@cygnus.com>
5813 * Makefile.in (NM_FOR_TARGET): New.
5814 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
5815 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
5816 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
5817 shared library build on that and EXTRA_MULTILIB_PARTS.
5818 * mkmap-flat.awk: New file.
5819 * mkmap-symver.awk: New file.
5820 * libgcc-std.ver: New file.
5821 * config/libgcc-glibc.ver: New file.
5822 * config/ia64/libgcc-ia64.ver: New file.
5823 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5824 (SHLIB_LINK): Add --version-script.
5825 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
5826 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5827 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5828 (SHLIB_LINK): Add -M.
5830 2000-10-05 Richard Henderson <rth@cygnus.com>
5832 * Makefile.in (LIB2FUNCS): Add _clz.
5833 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
5834 (__clz_tab): Put in its own unit, non-static.
5835 * libgcc2.h: Always include longlong.h.
5837 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
5838 a zero instead of -1.
5839 (count_trailing_zeros): Likewise.
5841 2000-10-05 Richard Henderson <rth@cygnus.com>
5843 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
5844 when second op1 is const0_rtx. Validate op0 as a register.
5845 * config/alpha/alpha.md (setcc_internal): Don't allow constants
5846 in the first argument of the compare.
5847 (setcc_swapped_internal): Likewise.
5848 (setne_internal): Likewise.
5850 2000-10-05 Geoff Keating <geoffk@cygnus.com>
5852 * tree.c (tree_size): New function split out of copy_node.
5853 (make_node): Remove obstack handling. Use tree_size.
5854 (copy_node): Use tree_size.
5855 * tree.h: Prototype tree_size.
5857 2000-10-05 Richard Henderson <rth@cygnus.com>
5859 * diagnostic.c (output_format): Add missing break.
5861 2000-10-05 Jim Wilson <wilson@cygnus.com>
5863 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
5864 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
5865 sequence insn to INSN, and delete last sequence insn.
5867 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
5869 * gcc.c (main): Include generated configargs.h header
5870 and use arguments in '-v' output.
5872 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5874 * gcc.c: Move data on prefixes forward in file and reorganize.
5875 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5876 Always define, but make null if no value.
5877 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5878 and "md_startfile_prefix_1".
5879 (main): Check whether md_exec_prefix and the others are the
5880 null string rather than whether the macro is defined.
5882 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5884 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5885 from PSImode to SImode.
5887 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5889 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5890 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5891 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5894 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5896 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5897 negation in proper type.a
5899 2000-10-04 Richard Henderson <rth@cygnus.com>
5901 * configure.in (enable-shared): New.
5902 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5903 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5904 * mklibgcc.in: Use them to link shared a libgcc.
5905 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5906 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5907 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5908 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5910 * configure.in (alpha-osf*): Use t-osf and x-osf.
5911 * config/alpha/t-osf: New file.
5912 * config/alpha/t-osf4: New file.
5913 * config/alpha/x-osf: New file.
5914 * config/alpha/x-alpha: Remove file.
5916 2000-10-04 Will Cohen <wcohen@redhat.com>
5918 * c-typeck.c (process_init_element): Added warning for zero-length
5921 * extend.texi (Zero Length): State that static initializers for
5922 zero-length arrays are not allowed.
5924 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5926 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5929 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5931 * config/float-c4x.h: New.
5932 * configure.in (c4x-*): Set float_format to c4x.
5933 * configure: Regenerate.
5935 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5937 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5938 compilation for solaris versions 2.7 and greater.
5940 2000-10-02 Marc Espie <espie@openbsd.org>
5942 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5943 instead of redefining from scratch.
5945 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5947 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5949 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5951 * config/ns32k/genix.h: Remove.
5952 * config/ns32k/x-genix: Likewise.
5953 * config/ns32k/xm-genix.h: Likewise.
5954 * config/fx80: Remove all filee in directory.
5955 * config/pyr: Likewise.
5956 * config/tahoe: Likewise.
5957 * config/gmicro: Likewise.
5958 * config/spur: Likewise.
5959 * configure.in: Remove configury bits for above targets.
5960 * configure: Regenerated.
5962 * configure.in: Don't configure chill by default.
5963 * configure: Regenerated.
5965 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5966 (lang_mark_false_label_stack): Remove.
5967 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5968 <top level> string in GC area.
5969 (mark_splay_tree_node): New function.
5970 (mark_splay_tree): Likewise.
5971 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5973 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5974 * ggc-common.c (lang_mark_false_label_stack): Change type.
5975 * ggc.h (ggc_alloc_string): Add comment.
5976 (ggc_strdup): New function.
5978 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5980 * config/avr/avr.h (BRANCH_COST): Define as 0.
5982 * config/pdp11/pdp11.c: #include "tree.h" added.
5984 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
5986 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
5987 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
5988 with known shift count.
5989 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
5990 New alternative for shift count 2 with no scratch register.
5991 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
5992 "set_n" for shift counts 1 and 2.
5994 2000-09-30 Geoff Keating <geoffk@cygnus.com>
5996 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
5997 the mask value from the individual SET operations.
5998 (return_internal_si): Move the USE after the RETURN.
5999 (return_internal_di): Likewise.
6000 (return_and_restore_fpregs_si): Likewise.
6001 (return_and_restore_fpregs_di): Likewise.
6002 (return_eh_si): Likewise.
6003 (return_eh_di): Likewise.
6004 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
6006 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
6007 Don't generate a PARALLEL around a single operation movsi_to_cr.
6008 Generate the RETURN first in any PARALLELs.
6010 * rtlanal.c (single_set_1): Use fatal_insn to display the
6011 invalid insn. Check for more cases when a USE or CLOBBER occurs
6013 * Makefile.in: Update dependencies for rtlanal.o.
6015 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6017 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
6019 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6021 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
6022 Consistently use @email for formatting email addresses.
6024 2000-09-29 Richard Henderson <rth@cygnus.com>
6026 * cse.c (notreg_cost): New argument outer.
6027 (COST): Pass in SET to notreg_cost
6029 (fold_rtx): Use COST_IN. Prefer constants when costs
6032 2000-09-29 David Edelsohn <edelsohn@gnu.org>
6034 * fixinc/inclhack.def (broken_cabs): Generalize regex.
6035 * fixinc/fixincl.x: Regenerate.
6037 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6039 * loop.c (check_final_value): A GIV is not replaceable if used
6042 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
6044 * version.c: Bump to gcc-2.97.
6046 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
6048 * final.c (final_scan_insn): Remove extra extract_insn call;
6049 Use caching for constrain_operands.
6050 (cleanup_subreg_operands): Use caching for extract_insn.
6051 * recog.c (constrain_operands_cached): New.
6052 * recog.h (constrain_operands_cached): Declare.
6053 * i386.c (ix86_attr_length_immediate_default,
6054 ix86_attr_length_address_default, ix86_agi_dependant): Cache
6057 * recog.c (asm_noperands): Tweak.
6058 (extract_insn): Do not call asm_noperads for non-asm instructions.
6060 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
6062 * recog.c (recog_memoized): Rename to recog_memoized_1.
6063 * recog.h (recog_memoized): Rename to recog_memoized_1.
6064 (recog_memoized): New macro.
6065 * rtl.h (single_set): Rename to single_set_1
6066 (single_set): New macro.
6067 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
6070 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
6071 Do not use match_dup of input operands at outputs.
6072 Use register_operand for memory expression.
6073 (rep_movsi): Put use last, canonicalize.
6074 Use register_operand for memory expression.
6075 (rep_movqi): Put use last.
6076 Use register_operand for memory expression.
6077 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
6078 of input operands at outputs. Use register_operand for memory
6080 (rep_stossi): Put use last; canonicalize; fix match_dup in
6081 the address expression
6082 (rep_stosqi): Likewise.
6083 (memcmp expander): Update calls.
6084 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
6087 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
6089 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
6091 2000-09-28 David O'Brien <obrien@FreeBSD.org>
6093 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
6094 Contains the old contents of config/i386/freebsd.h
6095 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
6096 Contains the old contents of config/i386/freebsd-elf.h
6097 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
6098 config/i386/freebsd.h.
6099 * configure.in: Adjust for above changes.
6100 * po/POTFILES.in: Likewise.
6101 * po/en_GB.po: Likewise.
6102 * po/gcc.pot: Likewise.
6103 * configure: Rebuilt.
6105 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6107 * doloop.c (doloop_modify): Prevent delete_insn() from
6108 deleting too much. Prefer loop->top over loop->start as
6109 target for the new JUMP insn.
6110 (doloop_valid_p): Ignore loop with exit_count != 0.
6112 2000-09-28 Philipp Thomas <pthomas@suse.de>
6114 * invoke.texi (i386 Options): Add athlon to table of possible
6117 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
6119 * diagnostic.h (output_clear_message_text): New function.
6120 (output_message_text): New macro.
6122 * diagnostic.c (clear_text_info): Rename to
6123 output_clear_message_text.
6124 (output_clear): Adjust.
6125 (output_finish): Rename to output_finalize_message. Tweek.
6126 (output_to_stream): Adjust.
6128 2000-09-28 Neil Booth <neilb@earthling.net>
6130 * cpperror.c (_cpp_begin_message): Do the test for suppression
6131 of warnings and pedantic warnings before the "is a warning an
6133 * cppinit.c (cpp_handle_option): Remove surplus \n.
6134 * cpplex.c (ON_REST_ARG): Delete.
6135 (skip_block_comment): Initialise prevc.
6136 (parse_args): Improve error messages.
6137 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
6139 * cpplib.c (cpp_push_buffer): Fix grammar in message.
6140 * cppmain.c (main): Set callbacks for #ident and #pragma
6141 only if no_output option is false.
6142 (do_pragma_implementation): Only call the #pragma handler
6143 if it is set in the cpp_reader structure.
6145 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
6147 * integrate.c (copy_insn_list): if an ignored return value
6148 is being clobbered, skip cloning that into the inline copy.
6150 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
6152 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
6153 use @uref for formatting URLs.
6155 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
6157 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
6160 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
6162 * gcc.c (cpp_options): Add spec for -ftabstop=.
6163 (invoke_as): New spec that handles invoking as.
6164 Update specs to handle -save-temps and -traditional.
6165 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
6167 * cp/lang-specs.h, objc/lang-specs.h: Update to use
6168 invoke_as, and handle -save-temps and -traditional (if
6171 2000-09-26 Jakub Jelinek <jakub@redhat.com>
6173 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
6175 (function_arg_slotno): Accept TImode/CTImode.
6176 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
6179 2000-09-26 Michael Hayes <mhayes@cygnus.com>
6181 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
6184 2000-09-25 Jim Wilson <wilson@cygnus.com>
6186 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
6187 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
6188 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
6189 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
6191 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
6193 * cpplex.c (parse_args): Don't set VOID_REST flag.
6194 (CONTEXT_VARARGS): New flag.
6195 (maybe_paste_with_next): Set context earlier in loop. Use
6196 it. Do varargs test with CONTEXT_VARARGS flag.
6197 (push_arg_context): Set CONTEXT_VARARGS flag if we're
6198 pushing an argument context for a varargs argument.
6199 * cpplib.h (VOID_REST): Delete.
6200 * gcc.dg/cpp/vararg1.c: Add test case.
6202 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
6204 * flags.h: Declare warning flag warn_system_headers.
6205 * toplev.c: Define it.
6206 (W_options): Add option -Wsystem-headers.
6207 * diagnostic.c (count_error): Test warn_system_headers.
6208 * invoke.texi: Add description for -Wsystem-headers.
6209 * cpplib.h (cpp_options): New member warn_system_headers.
6210 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
6211 CPP_IN_SYSTEM_HEADER.
6212 * cpplib.c (do_import, do_pragma_once): Likewise.
6213 * cpperror.c (_cpp_begin_message): Test warn_system_headers
6214 and CPP_IN_SYSTEM_HEADER.
6215 * cppinit.c (handle_option): Recognize -Wsystem_headers.
6216 (print_help): Describe -Wsystem_headers.
6217 * cpplex.c (lex_line): Reorganize condition so that warnings
6218 about C++ comments in system headers can be enabled. Remove
6219 label do_line_comment.
6221 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
6223 * cpplex.c (save_comment): Only store the initial '/'
6225 (lex_token): Combine handling of the two comment types.
6226 Pass everything but the initial '/' to save_comment.
6228 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
6230 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
6231 _cpp_can_paste): New library-internal prototypes.
6232 * cpplex.c (dump_param_spelling, output_line_command,
6233 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
6234 cpp_printf, cpp_output_list): Move to cppoutput.c.
6235 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
6236 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
6238 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
6239 dump_param_spelling, output_line_command, cpp_scan_buffer,
6240 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
6242 * Makefile.in: Add cppoutput.c.
6243 * po/POTFILES.in: Add cppoutput.c.
6245 2000-09-25 Richard Henderson <rth@cygnus.com>
6247 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
6248 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
6249 split until after reload.
6250 (rotlsi3, rotldi3): New.
6252 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
6254 * diagnostic.c (output_last_position): Define.
6255 (set_real_maximum_length): Tweek.
6256 * diagnostic.h (output_last_position): Declare.
6258 2000-09-25 Kazu Hirata <kazu@hxi.com>
6260 * config/i386/i386.c: Fix formatting.
6262 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
6264 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
6265 UNITS_PER_WORD is small.
6267 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
6269 * c-common.c (format_char_info): Add flags2; update comments.
6270 (print_char_table, scan_char_table, time_char_table): Split some
6271 flags out into flags2.
6272 (check_format_info): Use flags2 for those flags, for identifying
6273 the initial character of a scanf scanset, and for identifying
6274 printf formats where the '0' flag is ignored with precision.
6276 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
6278 Changes below marked "here" add TABs on either or both sides,
6279 covering start of line, up to any operand for all noted .*ASM.*_OP
6280 definitions. All callers changed.
6281 * tm.texi: Make documented *_ASM.*_OP:s include spacing
6282 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
6283 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6284 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6285 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
6286 Fix typos in description for LONG_LONG_TYPE_SIZE and
6287 FINI_SECTION_ASM_OP.
6288 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
6289 why these defaults don't have leading spacing.
6290 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
6291 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6292 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
6293 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
6294 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
6295 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
6296 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
6297 * varasm.c (ASM_STABS_OP): Here.
6298 * xcoffout.h (ASM_STABS_OP): Here.
6299 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6300 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6301 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6302 STRING_ASM_OP): Here.
6303 * config/freebsd.h (IDENT_ASM_OP): Here.
6304 * config/linux-aout.h (SET_ASM_OP): Here.
6305 * config/linux.h (SET_ASM_OP): Here.
6306 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6308 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6309 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6310 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6311 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6313 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6314 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6315 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6316 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6317 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6318 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6319 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6320 * config/a29k/udi.h (INT_ASM_OP): Here.
6321 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6322 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6324 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6325 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6326 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6327 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6328 ASM_STABD_OP): Here.
6329 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6330 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6331 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6332 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6333 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6334 SIZE_ASM_OP, STRING_ASM_OP): Here.
6335 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6336 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6337 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6338 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6339 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6340 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6342 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6343 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6344 * config/arm/coff.h (INT_ASM_OP): Here.
6345 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6346 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6347 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6348 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6349 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6350 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6351 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6352 STRING_ASM_OP): Here. Update documentation copy in comments.
6353 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6354 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6355 DATA_SECTION_ASM_OP): Here.
6356 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6358 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6359 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6360 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6361 BSS_SECTION_ASM_OP): Here.
6362 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6363 BSS_SECTION_ASM_OP): Here.
6364 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6366 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6367 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6368 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6369 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6370 BSS_SECTION_ASM_OP): Here.
6371 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6372 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6373 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6374 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6375 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6377 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6378 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6380 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6381 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6382 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6383 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6385 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6386 * config/i386/netbsd.h (INT_ASM_OP): Here.
6387 * config/i386/openbsd.h (INT_ASM_OP): Here.
6388 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6389 IDENT_ASM_OP): Here.
6390 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6391 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6392 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6393 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6394 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6395 SHARED_BSS_SECTION_ASM_OP): Here.
6396 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6397 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6398 DATA_SECTION_ASM_OP): Here.
6399 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6400 CONST_SECTION_ASM_OP): Here.
6401 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6402 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6403 BSS_SECTION_ASM_OP): Here.
6404 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6405 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6406 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6407 BSS_ASM_OP): Here, but use trailing spaces.
6408 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6409 DATA_SECTION_ASM_OP): Here.
6410 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6412 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6413 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6414 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6415 TDESC_SECTION_ASM_OP): Here.
6416 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6417 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6418 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6420 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6421 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6422 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6423 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6424 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6425 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6426 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6427 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6428 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6429 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6430 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6431 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6433 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6434 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6435 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6436 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6437 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
6438 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
6439 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
6440 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6441 GLOBAL_ASM_OP): Here.
6442 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
6443 BSS_SECTION_ASM_OP): Here.
6444 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
6445 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6446 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
6447 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
6449 * config/m68k/newsgas.h (SET_ASM_OP): Here.
6450 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
6451 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6452 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6453 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6454 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
6455 but use trailing spaces.
6456 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
6457 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
6458 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
6460 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6461 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6462 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6463 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6464 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6465 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
6466 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
6467 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
6468 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
6469 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
6470 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6471 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
6473 * config/m88k/openbsd.h (SET_ASM_OP): Here.
6474 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6475 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6476 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
6477 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
6478 DTORS_SECTION_ASM_OP): Here.
6479 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
6480 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6481 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
6482 BSS_SECTION_ASM_OP): Here.
6483 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
6484 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
6485 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
6486 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
6487 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
6488 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6489 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
6490 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
6492 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
6494 * config/mips/osfrose.h (SET_ASM_OP): Here.
6495 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
6496 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
6497 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
6498 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6500 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
6501 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
6502 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
6503 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
6504 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
6505 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6507 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6509 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
6510 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
6511 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
6513 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
6514 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
6515 * config/sparc/linux.h (COMMON_ASM_OP): Here.
6516 * config/sparc/linux64.h (COMMON_ASM_OP,
6517 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6518 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
6519 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6520 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
6521 * config/sparc/pbd.h (ASM_INT_OP): Here.
6522 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
6523 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6524 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
6525 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
6526 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
6527 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
6528 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
6529 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
6530 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
6531 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6532 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6533 EH_FRAME_SECTION_ASM_OP): Here.
6534 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
6535 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6537 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6539 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
6540 TCOMMON_ASM_OP): Here.
6541 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6543 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6546 2000-09-25 Richard Henderson <rth@cygnus.com>
6548 * expmed.c (store_bit_field): Adjust last change to not consider
6549 any word-sized field naturally aligned.
6551 2000-09-24 Richard Henderson <rth@cygnus.com>
6553 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
6554 TFmode unordered compares properly. Revalidate integer compare
6556 (alpha_emit_setcc): New.
6557 (alpha_emit_conditional_move): Revalidate integer compare operands.
6558 * config/alpha/alpha-protos.h: Update.
6559 * config/alpha/alpha.md (cmpdi): Allow general operands.
6560 (sne): Use alpha_emit_setcc.
6561 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
6562 (sunordered, sordered): New.
6564 2000-09-24 Richard Henderson <rth@cygnus.com>
6566 * config/ia64/ia64-protos.h: Update.
6567 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
6568 (ia64_expand_call): New.
6569 (ia64_expand_prologue): Emit an alloc if we need extra input
6571 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
6572 instruction if true.
6573 (struct reg_flags): Add is_sibcall.
6574 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
6575 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
6576 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
6577 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6578 * config/ia64/ia64.md (call): Use ia64_expand_call.
6579 (call_value): Likewise.
6580 (sibcall, sibcall_value): New.
6581 (call patterns): Remove extra expanders; tidy.
6582 (sibcall_epilogue): New.
6583 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
6585 2000-09-24 Richard Henderson <rth@cygnus.com>
6587 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
6589 * sibcall.c (skip_pic_restore): New.
6590 (identify_call_return_value): Use it.
6592 2000-09-24 Mark Mitchell <mark@codesourcery.com>
6594 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
6595 functions. Generalize to handle both C and C++.
6596 * Makefile.in (c-tree.info): New target.
6597 (info): Add c-tree.info.
6599 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6601 * expr.c (store_field): If BITSIZE is negative, use size of type.
6602 (expand_expr, case COMPONENT_EXPR): Likewise.
6604 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
6606 * cpplex.c: Update TODO comment.
6607 * cpplib.c (do_error, do_warning): Merge common code of
6608 do_error and do_warning into do_diagnostic. Use it.
6609 (do_diagnostic): New function.
6610 * cpplib.h: Fix comment typo.
6612 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6614 * c-common.c (check_format_info): Warn for a wide character string
6615 used as a non-wide format argument.
6617 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6619 * builtins.def (BUILT_IN_LLABS): Add.
6620 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
6621 * c-common.c (c_common_nodes_builtins): Create builtin functions
6622 __builtin_llabs, and plain llabs unless no_nonansi_builtins
6623 outside of C99 mode.
6624 (expand_tree_builtin): Handle BUILT_IN_LLABS.
6626 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
6628 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
6629 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
6630 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
6631 _cpp_free_toklist): No need to worry about extra dummy token
6632 at the start of token lists any more.
6633 (trigraph_ok): Only warn outside comments.
6634 (skip_block_comment): Set and clear lexing_comment.
6635 (skip_line_comment): Take a cpp_reader not cpp_buffer.
6636 Set and clear lexing_comment.
6637 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
6638 (check_long_token): Delete.
6639 (lex_percent, lex_dot): New subroutines of lex_token to
6640 handle lexing of '.' and '%' without lookback.
6641 (lex_token): Use lex_dot and lex_percent.
6642 (lex_line): Don't check for LIST_OFFSET.
6643 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
6644 * cpplib.c (_cpp_parse_assertion): Similarly.
6645 (cpp_push_buffer): Initialize extra_char.
6646 * cpplib.h (LIST_OFFSET): Delete.
6647 (struct cpp_buffer): New member extra_char.
6648 (struct lexer_state): New members lexing_comment and seen_dot.
6650 2000-09-23 Jason Merrill <jason@redhat.com>
6652 * config/rs6000/x-aix41 (CLIB): Define here.
6653 * config/rs6000/t-aix43: Not here.
6654 * config/rs6000/t-aix41: Or here. Remove.
6655 * configure.in: Don't use it.
6657 2000-09-22 Jason Merrill <jason@redhat.com>
6659 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
6660 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
6661 * config.in: Regenerate.
6663 * configure.in: Fix checks for assembler features when using a
6664 one-tree assembler that has not yet been built.
6665 Fix --disable-threads.
6667 2000-09-19 Geoff Keating <geoffk@cygnus.com>
6669 * stmt.c (expand_asm_operands): Allow # in constraints.
6671 2000-09-22 Jason Merrill <jason@redhat.com>
6673 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
6675 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
6676 function-local names.
6678 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
6679 Mark Mitchell <mark@codesourcery.com>
6681 * toplev.c (warn_disabled_optimization): Declare new warning flag.
6682 * flags.h (warn_disabled_optimization): Add it here.
6683 * gcse.c (gcse_main): Add warning when disabled.
6684 * invoke.texi: Document -Wdisabled-optimization.
6686 2000-09-21 Jason Merrill <jason@redhat.com>
6688 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
6690 * dwarf2out.c (tree_add_const_value_attribute): New fn.
6691 (gen_variable_die): Call it for non-definitions.
6693 * dwarf2out.c (die_struct): Add die_mark field.
6694 (mark_dies, unmark_dies): New fns.
6695 (clear_die_sizes): Remove.
6696 (print_die): Check die_symbol rather than die_offset.
6697 (build_abbrev_table, output_pubnames, output_aranges): Check
6698 die_mark rather than die_offset.
6699 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
6702 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
6704 * cppfiles.c (lookup_include_file): Rename to open_file.
6705 Always create a splay tree value, even on syscall failures.
6706 Negative entries indicated by fd == -2.
6707 Re-open files closed in the meantime.
6708 (_cpp_fake_include): Create a negative splay tree entry.
6709 (find_include_file, cpp_read_file): Update for function name
6711 * gcc.gd/cpp/mi4.c: Testcase.
6713 2000-09-21 Nick Clifton <nickc@redhat.com>
6715 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
6716 ARM and THUMB modes.
6718 * config/mcore/mcore.c: Fix compile time warnings.
6719 * config/mcore/mcore-protos.h: Fix compile time warnings.
6721 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6723 * configure.in: Correct test of gcc_cv_glibc.
6724 * configure: Rebuilt.
6725 * config.in: Rebuilt.
6727 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6729 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
6730 (expand_builtin): Handle BUILT_IN_FWRITE.
6732 * builtins.def (BUILT_IN_FWRITE): New entry.
6734 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
6736 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6738 * gcc.c (modify_target): New variable and struct.
6739 (process_command): Handle MODIFY_TARGET_NAME.
6740 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
6741 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
6743 * c-decl.c (finish_decl): Add else's to avoid referencing
6744 TYPE_DOMAIN of an ERROR_MARK.
6746 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
6748 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
6751 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
6753 * config/avr/avr.md (neghi2): Add alternative for input and output
6754 operands in different registers, as in negsi2.
6755 (*negsi2): Remove '*' from the name. Use "movw" if available.
6757 2000-09-19 Jim Wilson <wilson@cygnus.com>
6759 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
6760 HAVE_GAS_HIDDEN macro.
6762 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
6764 * cpplex.c (lex_line): Drop the EOF token for unknown
6765 directives in assembler.
6767 2000-09-19 David Edelsohn <edelsohn@gnu.org>
6769 * configure.in: Allow enable_threads_flag value of "aix". Define
6770 thread_file as "aix" for AIX 4.3 and above.
6771 * configure: Regenerated.
6773 * gthr-aix.h: New file.
6775 * rs6000/t-aix43: Replace soft-float multilib with pthread.
6776 Remove 403 processor multilib match. Fix rios2 processor multilib
6779 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
6780 to return to appropriate csect.
6782 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6784 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
6786 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
6787 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
6790 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
6793 * c-common.c (init_function_format_info): Handle __builtin_printf.
6794 Set `check_function_format_ptr'.
6795 (c_common_nodes_and_builtins): Set `puts_ftype' and
6796 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
6797 __builtin_printf and printf.
6799 * tree.c, tree.h (check_function_format_ptr): Declare.
6801 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
6803 * cppfiles.c (read_include_file): Take no special action for
6806 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
6808 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
6809 rather than that of branch.
6810 (shorten_branches): Don't increment insn_current_address twice.
6812 Undo most of the Wed Jan 27 23:39:53 1999 patch:
6813 * loop.h (struct induction): Delete members derived, ix and last_use.
6814 (struct loop_ivs): Delete members first_increment_giv and
6816 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
6817 recombine_givs): Delete functions.
6818 (find_and_verify_loops): Don't initialize cont_dominator.
6819 (strength_reduce): Lose code to try to find bivs that can be
6820 expressed as givs of another biv, and to convert biv increments
6822 Lose loop_scan_start variable, always use loop->scan_start.
6823 Don't call recombine_givs. Don't handle derived givs.
6824 (record_giv): Don't initialize derived and last_use fields.
6825 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
6827 * unroll.c (derived_regs): Delete static variable.
6828 (unroll_loop): Don't initialize it.
6829 (copy_loop_body): Lose code to handle derived givs.
6830 (find_splittable_givs): Don't check for givs made from biv
6832 Don't set derived_regs.
6834 Fix misapplied earlier patch:
6835 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
6837 (floatsisf2): Generate floatsisf_ie by default.
6838 (floatsisf_i4): Conditional on TARGET_SH4.
6840 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
6841 predicate for the expanders.
6843 2000-09-19 Richard Henderson <rth@cygnus.com>
6845 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
6846 in addition to pentium and pentiumpro symbols.
6847 (CPP_CPU_DEFAULT_SPEC): Likewise.
6849 * c-typeck.c (c_expand_asm_operands): Restore the output tree
6852 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
6853 if the tree has side effects.
6854 (warn_if_unused_value): Do not warn about void constructs.
6856 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
6858 * unroll.c (copy_loop_body): Update LABEL_NUSES before
6859 calling invert_jump.
6861 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6863 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
6866 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6868 * Makefile.in (c-common.o): Depend on diagnostic.h.
6870 * c-common.c: Include diagnostic.h.
6872 (status_warning): New function.
6873 (check_format_info, maybe_read_dollar_number, check_format_types,
6874 finish_dollar_format_checking, check_function_format): Accept a
6875 `status' parameter. All callers changed.
6877 * c-common.h (check_function_format): Accept a `status' parameter.
6879 * c-typeck.c: Update call to `check_function_format'.
6881 2000-09-18 Richard Henderson <rth@cygnus.com>
6883 * c-decl.c (c_expand_body): Call mark_varargs before
6884 expand_function_start.
6886 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6888 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6889 * config/rs6000/eabi-ci.asm: Likewise.
6891 2000-09-18 Richard Henderson <rth@cygnus.com>
6893 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6896 2000-09-18 Jim Wilson <wilson@cygnus.com>
6898 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6899 before passing it to fold_rtx_mult_add.
6901 * unroll.c (final_giv_value): Pass increment through
6902 extend_value_for_giv before passing it to emit_iv_add_mult.
6904 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6905 paradoxical subreg, then directly substitute the replacement and
6908 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6910 * cpp.texi: Update documentation, including some clarifications,
6911 the treatment of various newline combinations, and space between
6912 backslash and newline.
6914 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6916 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6917 Replace ASM_OUTPUT_LABELREF with assemble_name.
6919 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6921 * sh.c (addsubcosts): CONST is not cheap.
6922 (find_barrier): For Sh1, take alignment after jumps into account.
6924 2000-09-15 Andrew Haley <aph@redhat.com>
6926 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6927 remove all SETs of SUBREGs of hard registers.
6928 * function.c (purge_hard_subreg_sets): New function.
6929 (purge_single_hard_subreg_set): New function.
6930 * rtl.h: (purge_hard_subreg_sets): New function.
6932 2000-09-18 Richard Henderson <rth@cygnus.com>
6934 * config/ia64/ia64-protos.h: Update.
6935 * config/ia64/ia64.c (signed_inequality_operator): New.
6936 (ia64_expand_compare): New.
6937 (ia64_register_move_cost): Handle PR_REGS moves.
6938 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6939 (struct reg_write_state): Add written_by_and/or.
6940 (struct reg_flags): Add is_and/or.
6941 (rws_update): Set them.
6942 (rws_access_regno): Test them to allow parallel comparisons.
6943 (rtx_needs_barrier): Recognize parallel comparisons.
6944 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6945 Call recog_memoized; ignore pred_rel_mutex.
6946 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6947 (ia64_reorg): Do it here instead.
6948 * config/ia64/ia64.h: s/CCmode/BImode/g
6949 (MODES_TIEABLE_P): Don't tie BImode.
6950 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6951 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6952 (RTX_COSTS): Make multiply 4 insns.
6953 (MEMORY_MOVE_COST): New.
6954 (PREDICATE_CODES): Update.
6955 * config/ia64/ia64.md: s/CCmode/BImode/g
6956 (movcci, movbi): New.
6957 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6958 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6959 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6960 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6961 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6962 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6963 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6964 (mulsi, muldi): Use xmpy not xma.
6966 (movcc, movcc_internal): Remove.
6967 (branch expanders): Use ia64_expand_compare.
6968 (setcc expanders): Likewise.
6969 (cmov insns): Use move_operand and ia64_move_ok.
6970 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6971 scheduler from moving it past a use.
6972 * config/ia64/build.hacks: Remove.
6974 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6976 * cpphash.h (HASHSTEP): Take character rather than pointer
6978 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6980 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6982 * cpplex.c (auto_expand_name_space, trigraph_replace,
6983 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6984 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6985 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
6986 KNOWN_DIRECTIVE): Delete.
6988 (handle_newline, check_long_token, skip_escaped_newlines,
6989 unterminated): New functions.
6990 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
6992 (parse_identifier): Was parse_name, new implementation.
6993 (skip_line_comment, skip_block_comment, skip_whitespace,
6994 parse_number, parse_string, trigraph_ok, save_comment,
6995 adjust_column, _cpp_get_line): New implementations.
6997 (lex_token): New function. Lexes a token at a time, looking
6998 forwards. Contains most of the guts of the old lex_line.
6999 (lex_line): New implementation, using lex_token to obtain
7001 (cpp_scan_buffer): Use the token's line, not the list's line.
7003 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
7004 New implementations.
7005 (do_assert): Don't bother setting the answer's list's line.
7006 (cpp_push_buffer): Initialise new pfile and read_ahead members
7007 of struct cpp_buffer.
7009 * cpplib.h (cppchar_t): New typedef.
7010 (struct cpp_buffer): read_ahead, pfile and col_adjust are
7012 (struct lexer_state): New structure that determines the state
7013 and behaviour of the lexer.
7014 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
7015 (struct cpp_reader): New member "state". Rename
7016 multiline_string_line and multiline_string_column. Delete
7017 col_adjust, in_lex_line members.
7018 (CPP_BUF_COLUMN): Update.
7020 2000-09-18 Richard Henderson <rth@cygnus.com>
7022 * combine.c (simplify_comparison): Shift a NOT out of a single
7025 * combine.c (if_then_else_cond): Canonicalize BImode true to
7027 * explow.c (trunc_int_for_mode): Likewise.
7029 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
7030 the NOT for De Morgan's rule.
7031 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
7032 of a comparison to the reverse comparison.
7034 * combine.c (try_combine): Allow split to create a single insn.
7036 * machmode.def: Add BImode. Add a column for bitsize.
7037 * machmode.h (DEF_MACHMODE): Adjust for extra column.
7038 (GET_MODE_BITSIZE): Use it.
7039 * rtl.c (DEF_MACHMODE): Adjust for extra column.
7040 (mode_bitsize): New.
7041 (mode_mask_array): Use bitsize.
7042 * combine.c (combine_simplify_rtx): Require inner and outer
7043 modes to match on nonzero_bits optimizations.
7045 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7047 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
7048 its entry in spill_reg_store.
7049 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
7050 * sh.c (reg_no_subreg_operand): New function.
7051 * sh-protos.h (reg_no_subreg_operand): Declare it.
7052 * sh.h (PREDICATE_CODES): Add it.
7053 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
7054 input operand that needs to be in fpul.
7055 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
7056 * sh.c (find_barrier): Take into account that machine_dependent_reorg
7057 might add new insns.
7059 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
7061 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
7063 (sh_expand_epilogue): Take the PIC register into account when
7064 computing the frame size.
7066 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
7067 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
7068 LABEL_REFs with a PIC-safe unspec.
7070 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7072 * c-common.c (check_format_info): Properly save the argument
7073 number and parameter for $ operand number formats in case width
7074 and precision arguments are also used. Allow printf width and
7075 precision arguments to have operand numbers even if none was
7076 specified for the main format, since this is OK for %*.*m. Only
7077 object to missing $ operand number if the format used requires an
7080 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7082 * c-common.c (format_char_info): Add 'W' flag to comment.
7083 (print_char_table, scan_char_table): Use it.
7084 (check_format_info): Use the 'W' flag to determine whether a
7085 format argument is written into.
7087 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7089 * c-common.c (check_format_types): Reorganise and clean up,
7090 checking earlier for ERROR_MARKs and making cur_type into its
7091 TYPE_MAIN_VARIANT where convenient.
7093 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7095 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
7097 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7099 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
7101 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
7102 * i386.c (struct builtin_description): New.
7103 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
7104 (mmx_reg_operand): Declare MODE arg as unused.
7105 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
7106 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
7107 ix86_expand_binop_builtin, ix86_expand_store_builtin,
7108 ix86_init_builtins, ix86_expand_builtin): New functions.
7109 * i386.h (ix86_builtins): New enumeration.
7110 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
7111 * i386.md (attr length_immediate): 0 for mmx/sse types.
7112 (attr prefix_0f): 1 for mmx/sse types.
7113 (setcc_2): Remove "*" so we get gen_setcc_2.
7114 (emms): Account for changed register numbering. Set "memory" attr
7116 (sfence): Set "memory" attr to unknown.
7118 2000-09-18 Andreas Jaeger <aj@suse.de>
7120 * configure.in: Define _GNU_SOURCE only when using the GNU C
7122 * configure: Regenerated.
7123 * config.in: Regenerated.
7125 2000-09-17 Mark Mitchell <mark@codesourcery.com>
7127 * cppinit.c (cpp_init): Don't use ANSI prototypes.
7128 * flow.c (flow_dump_loop): Likewise.
7129 (flow_loops_dump): Likewise.
7131 * c-typeck.c (c_start_case): Fix typo.
7133 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7135 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
7136 to int for plain complex which defaults to complex double. Do
7137 warn about defaulting to complex double if pedantic. Warn about
7138 complex integer types if pedantic. Warn about complex types if
7139 pedantic and not in C99 mode.
7140 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
7141 for complex conjugation.
7143 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7145 * contrib.texi: Update my entry.
7147 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
7149 * config/avr/avr.md (mcu_enhanced): New attribute.
7150 (mcu_mega): Likewise.
7151 (extendhisi2): Use mcu_enhanced.
7152 (zero_extendhisi2): Likewise.
7153 (call_insn): Use mcu_enhanced and mcu_mega.
7154 (call_value_insn): Likewise.
7155 (*sbrx_branch): Use mcu_mega.
7156 (*sbrx_and_branchsi): Likewise.
7157 (*sbrx_and_branchhi): Likewise.
7158 (*tablejump_lib): Likewise.
7160 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7162 * alias.c (true_dependence): Allow non-unchanging read to conflict
7163 with unchanging write.
7165 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
7166 (store_constructor): Pass alias_set to it.
7168 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
7169 TYPE_MAIN_VARIANT of ERROR_MARK.
7170 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
7172 * simplify-rtx.c (simplify_unary_operation): Add cases
7173 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
7175 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
7177 * expr.h (emit_library_call, emit_library_call_value): Delete
7179 * rtl.h (enum libcall_type): New.
7180 (emit_library_call, emit_library_call_value): Change fn_type arg to
7181 be of type enum libcall_type.
7182 * calls.c: Likewise for the function definitions. Several callers
7183 throughout changed to use the new enumeration appropriately.
7184 (emit_library_call_value_1): Likewise. Put back code to make libcall
7185 blocks of equal form, but only use it for the two new higher
7188 2000-09-16 Mark Mitchell <mark@codesourcery.com>
7190 Convert the C front-end to use function-at-a-time mode.
7191 * c-common.h: Include splay-tree.h.
7192 (C_DECLARED_LABEL_FLAG): New macro.
7193 (struct language_function): Add x_scope_stmt_stack and
7194 x_function_name_declared_p.
7195 (RECHAIN_STMTS): Move definition.
7196 (lang_statment_code_p): Likewise.
7197 (lang_expand_stmt): Likewise.
7198 (lang_expand_decl_stmt): New variable.
7199 (lang_expand_function_end): Likewise.
7200 (current_scope_stmt_stack): New function.
7201 (add_decl_stmt): Likewise.
7202 (add_scope_stmt): Likewise.
7203 (mark_stmt_tree): Likewise.
7204 (struct c_lang_decl): New structure.
7205 (DECL_SAVED_TREE): Define.
7206 (c_mark_lang_decl): New function.
7207 (c_expand_start_cond): Change prototype.
7208 (c_finish_then): New function.
7209 (c_finish_else): Likewise.
7210 (current_function_name_declared): Remove.
7211 (set_current_function_name_declared): Likewise.
7212 (mark_c_language_function): Declare.
7213 (case_compare): Likewise.
7214 (c_add_case_label): Likewise.
7215 (c_expand_expr): Likewise.
7216 (c_safe_from_p): Likewise.
7217 * c-common.c (lang_expand_function_end): New variable.
7218 (struct if_elt): Add if_stmt.
7219 (c_expand_start_cond): Add the if-statement to the statement-tree,
7220 rather than generating RTL.
7221 (c_finish_then): New function.
7222 (c_expand_start_else): Don't generate RTL.
7223 (c_finish_else): New function.
7224 (c_expand_expr_stmt): Don't generate RTL.
7225 (statement_code_p): Add SCOPE_STMT.
7226 (case_compare): New function.
7227 (c_add_case_label): Likewise.
7228 (mark_stmt_tree): Likewise.
7229 (c_mark_lang_decl): Likewise.
7230 (mark_c_language_function): Likewise.
7231 (c_expand_expr): Likewise.
7232 (c_safe_from_p): Likewise.
7233 * c-decl.c (c_stmt_tree): New variable
7234 (c_scope_stmt_stack): Likewise.
7235 (c_function_name_declared_p): Likewise.
7236 (lang_expand_expr_stmt): Remove.
7237 (poplevel): Don't call output_inline_function for nested
7239 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
7241 (redeclaration_error_message): Change means of computing whether
7242 or not a function is nested.
7243 (lookup_label): Don't call label_rtx.
7244 (init_decl_processing): Add more GC roots.
7245 (start_decl): Add DECL_STMTs to the statement-tree, rather than
7246 calling rest_of_decl_compilation.
7247 (finish_decl): Don't call expand_decl.
7248 (store_parm_decls): Begin the statement-tree, but don't generate
7250 (finish_function): Tie off the statement-tree. Call c_expand_body
7252 (c_expand_body): New function.
7253 (push_c_function_context): Save more information.
7254 (pop_c_function_contxt): Likewise.
7255 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
7256 (lang_mark_tree): Mark it.
7257 (current_stmt_tree): Adjust.
7258 (current_scope_stmt_stack): New function.
7260 (set_current_name_declared): Likewise.
7261 (c_begin_compound_stmt): Define.
7262 (c_expand_decl_stmt): Likewise.
7263 * c-lang.c: Include rtl.h and expr.h.
7264 (lang_init): Set more language-specific hooks.
7265 * c-lex.c: Include expr.h.
7266 * c-parse.in: Changes throughout to add statements to the
7267 statement-tree, rather than generating RTL after every statement.
7268 * c-semantics.c (lang_expand_decl_stmt): Define.
7269 (add_decl_stmt): New function.
7270 (add_scope_stmt): Likewise.
7271 (finish_stmt_tree): Tweak.
7272 (genrtl_expr_stmt): Likewise.
7273 (genrtl_decl_stmt): Handle local labels, and call
7274 lang_expand_decl_stmt if required.
7275 (genrtl_for_stmt): Fix line-number handling.
7276 (genrtl_case_label): Handle cleanups.
7277 (genrtl_asm_stmt): Don't call combine_strings.
7278 (genrtl_compound_stmt): Simplify.
7279 (expand_stmt): Handle SCOPE_STMTs.
7280 * c-tree.h (struct lang_decl): New structure.
7281 (C_DECLARED_LABEL_FLAG): Remove.
7282 (c_begin_compound_stmt): Declare.
7283 (c_expand_decl_stmt): Likewise.
7284 (c_expand_start_case): Rename to c_start_case.
7285 (c_finish_case): New function.
7286 * c-typeck.c (start_init): Tweak setting of
7287 constructor_incremental.
7288 (c_expand_asm_operands): Tweak error-handling. Add to the
7290 (c_expand_return): Add to the statement-tree.
7291 (c_expand_start_case): Rename to ...
7292 (c_start_case): ... this.
7293 (struct c_switch): New type.
7294 (switch_stack): New variable.
7295 (do_case): Simplify.
7296 (c_finish_case): New function.
7297 * dependence.c: Include expr.h.
7298 (enum dependence_type): Change spelling of enumerals.
7299 (check_node_dependence): Adjust.
7300 * expr.h (lang_safe_from_p): Declare.
7301 (safe_from_p): Likewise.
7302 * expr.c (lang_safe_from_p): New variable.
7303 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7304 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7305 * toplev.c (rest_of_decl_compilation): Robustify.
7306 * tree.c (contains_placeholder_p): Likewise.
7307 * Makefile.in: Update dependencies.
7308 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7309 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7310 (objc_expand_function_end): New function.
7311 (finish_method_def): Use it.
7312 (init_objc): Initialize more language-specific hooks.
7313 * objc/Make-lang.in: Update dependencies.
7315 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7317 * configure.in: Define macros that affect features before
7318 testing for features. Don't define _XOPEN_SOURCE.
7319 * configure: Regenerated.
7320 * config.in: Regenerated.
7322 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7324 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7325 (rtx_unstable_p): Restructure code. Volatile asms
7328 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7330 * function.h (no_debugging_symbols): New field.
7331 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7332 Initialize no_debugging_symbols.
7333 (output_inline_function): Save and restore write_symbols and set from
7334 no_debugging_symbols.
7335 * toplev.c (rest_of_compilation): Call save_for_inline.
7336 * tree.h: Update comment.
7338 * stor-layout.c (place_field): Don't do anything if field or
7339 its type are ERROR_MARK.
7341 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7343 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7344 (read_include_file): Ensure inc->mmaped is initialized.
7346 2000-09-16 Richard Henderson <rth@cygnus.com>
7348 * cppiles.c (purge_cache): Use PTR not caddr_t.
7350 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7352 * gcc.c: In description for %{<S}, say the option removed is -S.
7353 * invoke.texi (Spec Files): Ditto.
7355 2000-09-16 Andreas Jaeger <aj@suse.de>
7357 * configure.in: Always define _GNU_SOURCE to make interfaces
7358 visible that were hidden by only defining _GNU_SOURCE.
7359 * configure: Regenerated.
7361 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7363 * cpplex.c (push_macro_context): Set an argument's level after
7364 calling parse_args. We could loop infinitely otherwise.
7366 2000-09-15 Tom Tromey <tromey@cygnus.com>
7368 * configure, config.in: Rebuilt.
7369 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7371 2000-09-15 Greg McGary <greg@mcgary.org>
7373 * cppmacro.c (check_trad_stringification): Check token
7374 text pointers against limit before dereferencing.
7376 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7378 * c-common.c (format_wanted_type): New structure.
7379 (check_format_types): New function.
7380 (check_format_info): Pass all checking of types of format
7381 arguments, including width and precision arguments, to this new
7384 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7386 * BUGS: Remove file.
7388 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7390 * config/alpha/alpha.c (override_options): ev6 cache latencies
7391 from Richard Henderson. Don't allow -mmemory-latency=L0.
7393 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7394 (TARGET_OPTIONS): Add tune=.
7395 (alpha_tune_string): Declare.
7396 * config/alpha/alpha.c (override_options): Add cpu_table.
7397 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7398 and then alpha_tune_string to set alpha_cpu only.
7399 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7400 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7401 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7402 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7404 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7406 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7408 (ix86_comparison_operator, ix86_cc_mode): Declare
7409 * i386.h (CCGC, CCGCO): New modes.
7410 (SELECT_CC_MODE): Move offline to ....
7411 * i386.c (ix86_cc_mode): .... here; use new modes.
7412 (ix86_comparison_operator): New.
7413 (fcmov_comparison_operator): Ensure proper mode.
7414 (put_condition_mode): More sanity checking.
7415 (ix86_match_ccmode): Handle new modes.
7416 (ix86_expand_fp_compare): GEU requires CCmode.
7417 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7419 * i386.md (cmp?i_ccz_1): Remove
7420 (cmp?i_ccno_1): Use ix86_match_ccmode.
7421 (cmp?i_minus_1): New.
7422 (cmpsi_1): New expander.
7423 (cmpqi_ext_1): Use match_ccmode
7424 (cmpqi_ext_3): New expander.
7425 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7426 (cmpqi_ext_4): Use match_ccmode.
7427 (add?i_?): Use match_ccmode.
7429 (test?i_ccz_1): Remove
7431 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7432 (testqi_ext_0): Use ix86_match_ccmode.
7433 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7434 (xorqi_cc_ext_1): New expander.
7435 (shift patterns): Use CCGOCmode for all shifts except for sar.
7436 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7437 (setcc_3, jcc_3, miv?icc_c): Remove.
7439 2000-09-15 Will Cohen <wcohen@redhat.com>
7441 * dwarf2out.c (add_const_value_attribute): Changed array into a
7442 xmalloced object, so it exists after function exit.
7443 (free_AT): Added case for dw_val_class_float to free allocated
7446 2000-09-15 Kazu Hirata <kazu@hxi.com>
7448 * config/i386/i386.md: Fix a comment typo.
7449 * gcc.c: Fix formatting.
7451 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7453 * optabs.c (emit_libcall_block): If target is a user variable,
7454 copy to a temporary first.
7455 * expr.c (convert_move): When generating a libcall, make a libcall
7457 * calls.c (emit_library_call_value_1): Don't create a libcall
7458 sequence here; our caller will in most cases do it.
7460 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
7462 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
7463 * sh.md (reload_outsf): Generate recognizable patterns for
7465 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
7466 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
7467 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
7468 truncdfsf2_i4): Change not to use explicit references to fpul.
7469 (floatsisf2_ie): Remove USE of fpscr.
7470 (floatsisf2): Change default expansion to match this.
7471 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
7474 2000-09-15 Richard Henderson <rth@cygnus.com>
7476 * expmed.c (store_bit_field): Consider naturally aligned
7477 memory for direct reference.
7479 2000-09-15 Richard Henderson <rth@cygnus.com>
7481 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
7482 AND addresses into alias set 0.
7483 (alpha_expand_unaligned_store): Likewise.
7484 (alpha_expand_unaligned_load_words): Likewise.
7485 (alpha_expand_unaligned_store_words): Likewise.
7487 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7489 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
7490 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
7492 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
7493 rsize of UNITS_PER_WORD.
7495 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
7497 * cpplex.c (ON_REST_ARG): Correct the test.
7498 (maybe_paste_with_next): Duplicate a token that fail pasting,
7499 and clear its PASTE_LEFT flag, so that nested pasting attempts
7502 2000-09-14 Richard Henderson <rth@cygnus.com>
7504 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
7505 * cse.c (rtx_cost): Likewise.
7506 * optabls.c (expand_binop): Likewise.
7507 (expand_twoval_binop, prepare_cmp_insn): Likewise.
7508 * regclass.c (copy_cost): Likewise.
7509 * reload1.c (reload_cse_move2add): Likewise.
7511 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
7513 * c-parse.in (reswords): Add _Complex.
7515 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7517 * gcc.1: Delete documentation for -undef preprocessor option.
7519 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
7521 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7522 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
7523 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7524 Remove undefine before config/elfos.h.
7525 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
7527 2000-09-14 Kazu Hirata <kazu@hxi.com>
7529 * invoke.texi (H8/300 Options): Add -ms2600.
7530 * config/h8300.c (h8300_init_once): Output an error when -ms2600
7531 is used without -ms.
7532 * config/h8300.h (TARGET_MAC): New.
7533 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
7534 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
7535 machine other than H8/S2600.
7536 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
7539 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
7541 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
7542 pseudos that refer to the original pseudos, not only to their
7543 equivalent memory locations.
7545 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7547 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
7548 when making new MEM.
7550 * Makefile.in (LN): Remove duplicate definition.
7552 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7554 From Joern Rennecke:
7555 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
7556 on an insn and function_invariant_p returns nonzero for the source,
7557 add a REG_EQUAL note.
7559 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
7561 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
7562 conflict with frame_pointer_rtx.
7564 2000-09-13 Kazu Hirata <kazu@hxi.com>
7566 * loop.c: Fix formatting.
7569 2000-09-13 Richard Henderson <rth@cygnus.com>
7571 * config/ia64/ia64.md (divsf3): New.
7572 (divsf3_internal_lat, divsf3_internal_thr): New.
7573 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
7574 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
7575 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
7576 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
7577 (nmadddf4_alts, nmadddf4_trunc): New.
7578 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
7579 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
7580 (multf3_truncsf_alts, multf3_truncdf_alts): New.
7581 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
7582 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
7583 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
7584 (nmaddtf4_truncdf_alts): New.
7585 (recip_approx): Don't predicate.
7587 2000-09-13 Richard Henderson <rth@cygnus.com>
7589 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
7591 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7593 * flags.h (flag_dump_rtl_in_asm): Declare.
7594 * toplev.c (flag_dump_rtl_in_asm): Define.
7595 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
7596 if -dP is specified.
7597 * rtl.h (print_rtx_head): Declare.
7598 * print-rtl.c (print_rtx_head): Define.
7599 (print_rtx): Print the string pointed to by print_rtx_head
7600 at beginning of each dump line.
7601 (print_rtl): Likewise.
7602 (print_rtl_single): Likewise.
7603 * final.c (final_scan_insn): Dump the insn in the assembly
7605 * gcc.1: Document -dP option.
7606 * invoke.texi (Debugging Options): Likewise.
7608 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7610 * md.texi (Machine Constraints): Document the 68HC11 constraints.
7611 * install.texi (Configurations): Document the 68HC11&68HC12 port.
7612 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
7614 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
7616 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
7617 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
7618 (*clrstrqi): Likewise.
7619 (xorhi3,xorsi3,absqi2): Likewise.
7620 (one_cmplhi2,one_cmplsi2): Likewise.
7621 (addsi3): Two stupid constraint alternatives removed.
7622 (extendhisi2): Use `movw' for enhanced avr cores.
7623 (zero_extendhisi2): Likewise.
7625 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
7627 * alias.c (find_base_term): Use frame_pointer_rtx
7628 when handling an ADDRESSOF.
7630 * cse.c (canon_hash): Handle USE of BLKmode memory.
7631 (cse_insn): Outgoing arguments for a libcall don't
7632 affect any recorded expressions.
7634 2000-09-12 Tom Tromey <tromey@cygnus.com>
7636 * configure, config.in: Rebuilt.
7637 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
7639 2000-09-12 Jakub Jelinek <jakub@redhat.com>
7641 * c-lex.c (lex_string): Use charwidth to compute bytemask.
7642 * expr.c (expand_expr): Don't optimize constant array references
7643 initialized with wide string constants.
7645 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7647 * loop.c (note_set_pseudo_multiple_uses): Correct.
7649 2000-09-12 Jim Wilson <wilson@cygnus.com>
7651 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
7652 else block, and X has side-effects, then fail.
7654 2000-09-12 Greg McGary <greg@mcgary.org>
7656 * config/mips/mips-protos.h
7657 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
7658 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
7659 (PREDICATE_CODES): Add "trap_cmp_op".
7660 * config/mips/mips.c
7661 (trap_cmp_op, mips_gen_conditional_trap): New functions.
7662 * config/mips/mips.md (trap, conditional_trap): New patterns.
7664 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7666 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
7669 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7671 * builtins.c (built_in_decls): New array.
7672 (expand_builtin_fputs): New function.
7673 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
7675 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
7677 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
7679 * tree.h (built_in_decls): New array.
7681 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
7683 * convex.md: Use "+" instead of "=" for outputs wrapped in a
7685 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
7687 2000-09-12 Kazu Hirata <kazu@hxi.com>
7689 * haifa-sched.c: Fix formatting.
7691 * genattrtab.c: Fix formatting.
7693 * unroll.c: Fix formatting.
7695 2000-09-12 Bruce Korb <bkorb@gnu.org>
7697 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
7698 remove obsolete code
7699 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
7700 * fixinc/fixincl.tpl: make non-exported arrays static scope
7701 * fixinc/fixincl.x: regenerate
7702 * fixinc/fixlib.h: Use PARAMS, not _P_
7703 * fixinc/fixtests.c: make a type for the test proc & use it
7704 * fixinc/server.h: Use PARAMS, not _P_
7706 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7708 * c-typeck.c (process_init_element): Avoid union init warnings on
7709 floating point zero. Don't crash on unions containing structs.
7711 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
7713 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
7714 general_movsrc_operand, and remove CONST_INT from
7715 general_movdst_operand.
7717 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7719 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
7720 if a reference to non-fixed hardreg is seen. Otherwise, count hard
7721 regs with a higher cost.
7722 (preferrable): Deal with cases where either cost or regcost is
7724 (cse_insn): Use MAX_COST rather than 10000. Always initialize
7726 (COSTS_N_INSNS): Move definition...
7728 (MAX_COST): New macro.
7729 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
7732 2000-09-11 Mark Mitchell <mark@codesourcery.com>
7734 * c-common.h (genrtl_clear_out_block): Remove.
7735 * c-semantics.c (genrtl_clear_out_block): Remove.
7736 (genrtl_while_stmt): Don't call it.
7737 (genrtl_for_stmt): Likewise.
7739 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7741 * cppfiles.c: Move all default-#defines to top of file.
7742 (open_include_file): Replace by lookup_include_file.
7743 (read_with_read, read_file): Merged into read_include_file.
7744 (stack_include_file, purge_cache): New functions.
7745 (close_cached_fd): Delete.
7746 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
7747 Cache the in-memory buffer, not the file descriptor.
7749 * cpphash.h (struct include_file): Add buffer, st, refcnt,
7751 (xcnew): New utility macro.
7752 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
7753 * cpplib.h (struct cpp_buffer): Remove mapped field.
7755 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7757 * cpplex.c (parse_string): Accept backslash space newline as a
7759 (lex_line): Likewise.
7760 (_cpp_get_token): Remove hard limit on macro nesting.
7762 2000-09-12 Philipp Thomas <pthomas@suse.de>
7764 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
7765 * configure: Rebuilt.
7767 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7769 * flow.c (split_block): Fix update of registers live at
7772 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7774 * i386.md (add?i_3, add?i_5): New.
7775 (add?i_4): Rename from add?i_3; Fix compare pattern.
7776 (sub?i_3, xor?i_3, ior?i_3): New.
7778 * genrecog.c (write_tree): Output code to clear insn_extract cache.
7779 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
7780 instead of extract_insn and extract_constrain_insn_cache instead of
7781 extract_insn and constrain_operands.
7782 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
7784 (extract_insn): Clear which_alternative.
7785 (constrain_operands): Set which_alternative to -1 when failed.
7786 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
7789 2000-09-11 Matthew Hiller <hiller@redhat.com>
7791 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
7792 on operand 0 to '+'.
7793 (movstricthi): Likewise.
7795 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7797 * loop.h (LOOP_IVS): New macro.
7798 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
7799 (struct loop_ivs): New.
7800 (struct loop_info): Add ivs field.
7801 (reg_iv_type, reg_iv_info): Delete prototype.
7802 (reg_biv_class, loop_iv_list): Likewise.
7803 * loop.c (record_biv, find_life_end): Pass loop argument.
7804 (reg_iv_type): Remove global array and use
7805 field in loop_regs structure within loop_ivs structure.
7806 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
7807 (first_increment_giv, last_increment_giv): Use entry in
7809 (record_initial): Pass ivs pointer.
7810 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
7812 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7814 * loop.h (LOOP_REGS): New macro.
7815 (struct loop_regs): New.
7816 (struct loop_info): Add regs field.
7817 * loop.c (set_in_loop): Remove global array and store
7818 in loop_regs structure as part of loop_info structure.
7819 (n_times_set, may_not_optimize): Likewise.
7820 (reg_single_usage, moved_once): Likewise.
7821 (count_one_set): Add regs argument.
7822 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
7823 (set_pseudo_multiple_uses): Pass regs pointer.
7825 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7827 * unroll.c (iteration_info): Subsume into loop_iterations.
7828 * loop.h (loop_info): New field iv.
7830 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7832 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
7833 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
7834 (flow_loops_update): New prototype.
7835 (flow_loops_find): Add flags to prototype.
7836 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
7837 * flow.c (flow_loop_pre_header_scan): New.
7838 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
7839 (flow_loop_free): Free pre-header root and trace and exit dominators.
7840 (flow_loops_find): New argument flags.
7841 (flow_loops_update): New function.
7842 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
7844 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7846 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
7847 * flow.c (split_block, update_bb_for_insn): New functions.
7849 2000-09-11 Richard Henderson <rth@cygnus.com>
7851 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
7853 2000-09-11 Richard Henderson <rth@cygnus.com>
7855 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
7856 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
7857 (ia64_override_options): Prevent optimizing division for both
7858 latency and throughput.
7859 (rtx_needs_barrier): Handle frcpa.
7860 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
7861 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
7862 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
7863 (TARGET_SWITCHES): Add -minline-divide-min-latency and
7864 -minline-divide-max-throughput.
7865 (PREDICATE_CODES): Update.
7866 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
7867 (zero_extendsidi2): Likewise. Fix typo in f case insn.
7868 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
7869 (extendsftf2): Likewise.
7870 (extenddftf2): Likewise.
7871 (fix_trunctfdi2_alts): New.
7872 (fixuns_trunctfdi2_alts): New.
7873 (madd*4): Rename from madd*3.
7874 (divsi3, modsi3, udivsi3, umodsi3): New.
7875 (divsi3_internal): New.
7876 (divdi3, moddi3, udivdi3, umoddi3): New.
7877 (divdi3_internal_lat, divdi3_internal_thr): New.
7878 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7879 (recip_approx): New.
7881 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7883 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7884 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7886 * integrate.c (copy_rtx_and_substitute): Don't share
7887 LEAF_REG_REMAPpable registers with the inlined function. Don't
7888 share the function value with calling sequences.
7890 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7892 * c-decl.c (do_case): Fix a typo.
7894 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7895 to a if the comparison is floating mode and not -ffast-math.
7896 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7898 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7900 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7901 gen_ic_invalidate_line.
7903 2000-09-11 Philip Blundell <pb@futuretv.com>
7905 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7907 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7909 * install.texi (LANGUAGES): Update to include new languages.
7912 2000-09-11 DJ Delorie <dj@redhat.com>
7914 * gcc.c (main): Don't warn about unused -B prefixes
7915 (unused_prefix_warnings): remove
7917 2000-09-11 Kazu Hirata <kazu@hxi.com>
7919 * final.c: Fix formatting.
7921 * integrate.c: Fix formatting.
7923 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7925 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7927 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7929 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7931 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7933 * gcc.1: Document 68hc11 specific options.
7935 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7937 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7938 (TARGET_LONG_DOUBLE_128): Define.
7939 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7940 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7941 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7942 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7943 of __LONG_DOUBLE_128__.
7944 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7946 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7947 (CPP_SYSV_DEFAULT_SPEC): Define.
7948 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7949 (INIT_TARGET_OPTABS): Define.
7951 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7952 (RS6000_UITRUNC): Likewise.
7953 (INIT_TARGET_OPTABS): New macro.
7954 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7955 (trunc_defined): Delete.
7956 (output_prolog): Don't output .extern definitions for fp->int
7957 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7958 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7959 (trunc_defined): Delete.
7960 (RS6000_ITRUNC): Moved to aix.h.
7961 (RS6000_UITRUNC): Likewise.
7962 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7963 only emit a libcall.
7964 (fixuns_truncdfsi2): Delete.
7965 (trunc_call): Delete.
7966 (trunc_call_rtl): Delete.
7968 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7970 * varasm.c (make_decl_rtl): Restore leading star on
7971 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7973 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7975 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7976 won't give a spurious error for '#pragma pack()'. Simplify
7977 control flow for readability. 'reset' action is not necessary.
7979 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7981 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7982 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7983 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7984 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
7986 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
7987 profile.c, sdbout.c, tradcif.y, tree.c:
7988 Include defaults.h if not already included.
7989 Don't define the above macros.
7991 * Makefile.in: Update dependencies.
7993 2000-09-10 Mark Mitchell <mark@codesourcery.com>
7995 * c-common.h (add_stmt): Change prototype.
7996 (RECHAIN_STMTS): New macro.
7997 (CASE_LABEL_DECL): Likewise.
7998 (genrtl_case_label): Change prototype.
7999 (c_expand_start_case): Remove prototype.
8000 (build_case_label): Change prototype.
8001 (decl_constant_value): Declare.
8002 * c-common.c (check_case_value): Handle C++'s extensions to C
8004 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
8006 * c-parse.in (stmt): Adjust handling of return statements and case
8008 * c-semantics.c (add_stmt): Return the new statement.
8009 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
8010 returned expression. Directly generate RTL, rather than calling
8012 (genrtl_switch_stmt): Don't call c_expand_start_case.
8013 (build_case_label): Take the LABEL_DECL as input, too.
8014 (genrtl_case_label): Just call add_case_node.
8015 (expand_stmt): Adjust calls to genrtl_return_stmt and
8017 * c-tree.h (c_expand_start_case): Declare.
8018 * c-typeck.c (decl_constant_value): Give it external linkage.
8019 (c_expand_return): Don't call expand_return or expand_null_return;
8020 use genrtl_return_stmt instead.
8021 * stmt.c (struct nesting): Remove num_ranges field.
8022 (add_case_node): Give it external linkage.
8023 (expand_start_case): Don't set num_ranges.
8024 (expand_start_case_dummy): Don't clear it.
8025 (pushcase): Rely on add_case_node to handle `default' labels.
8026 (add_case_node): Handle `default' labels.
8027 * tree.c (tree_int_cst_compare): New function.
8028 * tree.h (tree_int_cst_compare): Declare.
8029 (add_case_node): Likewise.
8031 2000-09-10 Richard Henderson <rth@cygnus.com>
8033 * c-parse.in: Revert last change.
8034 (init_reswords): Do not enter disabled keywords into the ridpointers
8035 table, modulo objc weirdness.
8036 (_yylex): Return the canonical spelling for a keyword.
8038 2000-09-10 Philip Blundell <philb@gnu.org>
8040 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
8041 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
8043 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
8045 * alias.c (find_base_term): Handle ADDRESSOF.
8046 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
8048 2000-09-10 Denis Chertykov <denisc@overta.ru>
8050 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
8051 outputting templates with many lines.
8053 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8055 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
8056 to decide whether 64-bit support must be generated.
8058 2000-09-10 Richard Henderson <rth@cygnus.com>
8060 * c-parse.in (asm patterns): Fix volatile check.
8062 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8064 * cppmacro.c (check_trad_stringification): New function.
8065 (save_expansion): If -Wtraditional, warn about stringification of
8068 2000-09-11 Michael Hayes <mhayes@cygnus.com>
8070 * loop.h (struct loop_mem_info): Move from loop.c
8071 (struct loop_info): Add fields store_mems, mems, mems_idx,
8072 mems_allocated, unknown_address_altered,
8073 unknown_constant_address_altered, num_mem_sets, and
8074 first_loop_store_insn.
8076 * loop.c (loop_store_mems): Replace with field in loop_info struct.
8077 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
8078 (unknown_address_altered, unknown_constant_address_altered): Likewise.
8079 (num_mem_sets): Likewise.
8080 (replace_loop_mems, replace_loop_regs): New.
8081 (struct loop_replace_args): New.
8082 (load_mems): Use replace_loop_mems.
8083 (try_copy_prop): Use replace_loop_regs.
8084 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
8086 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8088 * configure.in: Recognize m6811-elf and m6812-elf.
8089 * configure: Regenerate.
8091 2000-09-09 Geoff Keating <geoffk@cygnus.com>
8093 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
8096 2000-09-10 Michael Hayes <mhayes@cygnus.com>
8098 * loop.c (struct movables): New.
8099 (num_movables): Move into struct movables.
8100 (the_movables): Change type to struct movables.
8101 (ignore_some_movables): Change struct movable arg to struct movables.
8102 (force_movables, combine_movables, regs_match_p): Likewise.
8103 (rtx_equal_for_loop_p, move_movables): Likewise.
8104 (scan_loop): Change movables to be of type struct movables.
8105 Replace last_movable with field in movables structure.
8107 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
8109 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
8110 (init_pragma): Avoid warning if pfile happens to be unused.
8111 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
8112 define init_pragma to nothing. Always prototype
8113 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
8115 * c-lex.c (process_directive): Always call dispatch_pragma.
8116 Initialize entering_c_header to 0.
8118 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8120 * config/m68hc11/m68hc11.md: New file, machine description for
8122 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
8123 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
8124 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
8125 * config/m68hc11/m68hc11-protos.h: New file.
8126 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
8127 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
8128 * config/m68hc11/xm-m68hc11.h: New file, target defs.
8129 * config/m68hc11/larith.asm: New file, libgcc routines.
8131 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8133 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
8134 (FPBIT_FUNCS): Add _usi_to_sf.
8135 * config/fp-bit.c (usi_to_float): New function.
8136 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
8137 (usi_to_float): Add appropriate #define.
8139 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8141 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
8143 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
8144 * i386.md (attr "type"): Add sse and mmx types.
8145 (attr "memory"): Handle them without a crash.
8146 (movsi_1, movdi_2): Allow MMX regs.
8147 (movdi splits): Don't split moves involving MMX regs.
8148 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
8149 (movv4sf_internal, movv4si_internal, movv8qi_internal,
8150 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
8151 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
8152 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
8153 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
8154 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
8155 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
8156 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
8157 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
8158 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
8159 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8160 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8161 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
8162 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
8163 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8164 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8165 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
8166 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
8167 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
8168 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
8169 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
8170 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8171 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8172 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
8173 mmx_clrdi): New patterns.
8175 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
8177 * arm.c: Don't include tm.h directly.
8179 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
8181 * recog.c (validate_replace_rtx_1): Fix confusion about equality
8182 testing; simplify subregs of constants and nested subregs.
8184 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
8186 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
8188 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8190 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
8192 * rtl.texi (description of USE): Add note about possible pitfalls
8194 From Richard Henderson:
8195 * reload1.c (choose_reload_regs): Compute need_mode properly.
8197 2000-09-07 Richard Henderson <rth@cygnus.com>
8199 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
8200 (__modsi3, __umodsi3): Likewise.
8201 (__udivsi3): Likewise. Normalize the TFmode values.
8203 2000-09-07 Geoff Keating <geoffk@cygnus.com>
8205 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
8207 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
8210 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8212 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
8213 (cmpeqdi_t): Add output pattern.
8214 (cmpeqdi_t+1): Don't split when not optimizing.
8215 Restore proper splitting operation.
8217 2000-09-07 Richard Henderson <rth@cygnus.com>
8219 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
8220 do not call dispatch_pragma.
8222 2000-09-07 Jim Wilson <wilson@cygnus.com>
8224 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
8225 to CLASS_CANNOT_CHANGE_MODE.
8226 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
8227 mode classes are different.
8229 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8231 * cpplib.h (struct cpp_options): Add user_label_prefix member,
8232 left out of commit which removed cppulp.c.
8234 2000-09-07 Richard Henderson <rth@cygnus.com>
8236 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
8237 after switch for CASE_DROPS_THROUGH.
8239 2000-09-07 Richard Henderson <rth@cygnus.com>
8241 * loop.c (strength_reduce): Call check_ext_dependant_givs.
8242 Properly extend the biv initial value for the giv.
8243 (record_biv): Zero ext_dependant.
8244 (record_giv): New argument ext_val. Update all callers.
8245 (general_induction_var): Likewise.
8246 (consec_sets_giv): Likewise.
8247 (simplify_giv_expr): Likewise. Fill in ext_val if we find
8248 a sign-extend, zero-extend, or truncate.
8249 (combine_givs_p): Make sure modes are compatible.
8250 (check_ext_dependant_givs): New.
8251 (extend_value_for_giv): New.
8252 * loop.h (struct induction): Add ext_dependant.
8253 * unroll.c (iteration_info): Extend the biv initial value for the giv.
8254 (find_splittable_givs): Likewise.
8255 (final_giv_value): Likewise.
8257 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8259 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
8260 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
8261 definitions from cpplib.h.
8262 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
8264 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
8265 documentation for REGISTER_TARGET_PRAGMAS.
8267 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
8268 default-pragma callback to implement -Wunknown-pragmas if
8270 * c-parse.in: Move all includes to top of file.
8271 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
8273 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
8275 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
8277 * arm.h, arm-protos.h, arm.c,
8278 c4x.h, c4x-protos.h, c4x.c,
8279 h8300.h, h8300-protos.h, h8300.c,
8280 i370.h, i370-protos.h, i370.c,
8281 i960.h, i960-protos.h, i960.c,
8282 sh.h, sh-protos.h, sh.c,
8283 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
8284 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
8286 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
8287 multiple include guard.
8288 * i370.md (untyped_call): Use GEN_CALL.
8289 (umodsi3): Remove unused variable.
8290 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
8291 * v850.c (output_move_single, output_move_double): Constify
8293 (print_operand): Constify a char *.
8294 * v850.h (struct small_memory_info): Constify name member.
8296 2000-09-07 Kazu Hirata <kazu@hxi.com>
8298 * config/h8300.h: Fix comment typos.
8299 * config/h8300/h8300.md: Likewise.
8300 * config/h8300/lib1funcs.asm: Likewise.
8302 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8304 * Makefile.in: Remove references to cppulp.{c,o}.
8305 * cppinit.c (initialize_builtins, cpp_start_read,
8306 cpp_handle_option): Update to use cpp_options structure.
8309 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8311 * c-common.c (time_char_table): Allow %#b and %#h.
8313 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8315 * reorg.c (find_end_label): If the basic block reorder pass moves the
8316 return insn to some other place try to locate it again and put our
8317 end_of_function_label there.
8318 * reorg.c (relax_delay_slots): Check if find_end_label created a
8319 new label that invalidates the current optimazation.
8321 2000-09-07 Catherine Moore <clm@redhat.com>
8323 * unroll.c (unroll_loop): Check for unconditional jumps
8324 to loop continuation. Delete if n_iterations is 1.
8325 (ujump_to_loop_cont): New routine.
8327 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8329 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8331 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8332 to handle multiword modes correctly. All callers and the declaration
8335 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8337 * c-common.h (prep_stmt): Declare.
8338 (lang_expand_stmt): Likewise.
8339 * c-decl.c (lang_expand_stmt): Remove.
8340 * c-semantics.c (lang_expand_stmt): Define.
8341 (prep_stmt): New function.
8342 (expand_stmt): Handle common statement types here.
8344 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8346 * configure.in (sh-*-linux*): Added.
8347 * configure: Rebuilt.
8348 * config/sh/t-linux: New file.
8349 * config/sh/sh.h (USERMODE_BIT): Define.
8350 (TARGET_USERMODE): Likewise.
8351 (TARGET_SWITCHES): New switches for the bits above.
8352 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8353 * config/sh/linux.h: New file.
8354 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8355 underscore on linux.
8356 (L_sdivsi3, L_udivsi3): Define for linux.
8357 (L_ic_invalidate): Define.
8358 * invoke.texi (SH Options): Document -musermode.
8360 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8362 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8363 CSE unless generating PIC.
8365 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8368 2000-09-06 H.J. Lu (hjl@gnu.org)
8370 * Makefile.in (clean_s1): Depend on stage_b.
8371 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8372 stage2. They are used for "make compare".
8374 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8376 Move statement-tree facilities from C++ to C front-end.
8377 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8378 (void_zero_node): New macro.
8379 (struct stmt_tree_s): New type.
8380 (stmt_tree): New typedef.
8381 (struct language_function): New type.
8382 (last_tree): New macro.
8383 (last_expr_type): Likewise.
8384 (walk_tree_fn): New typedef.
8385 (current_stmt_tree): New function.
8386 (begin_stmt_tree): Likewise.
8387 (add_stmt): Likewise.
8388 (finish_stmt_tree): Likewise.
8389 (statement_code_p): Likewise.
8390 (lang_statement_code_p): New variable.
8391 (walk_stmt_tree): New function.
8392 (STMT_IS_FULL_EXPR_P): New macro.
8393 * c-common.c (lang_statement_code_p): New variable.
8394 (c_common_nodes_and_builtins): Initialize void_zero_node.
8395 (statement_code_p): New function.
8396 (walk_stmt_tree): Likewise.
8397 * c-decl.c (language_function): Rename to ...
8398 (c_language_function): ... this. Include language_function.
8399 (push_c_function_context): Adjust accordingly.
8400 (pop_c_function_context): Likewise.
8401 (mark_c_function_context): Likewise.
8402 (current_stmt_tree): Define.
8403 * c-semantics.c (begin_stmt_tree): New function.
8404 (add_stmt): Likewise.
8405 (prune_unused_decls): Likewise.
8406 (finish_stmt_tree): Likewise.
8408 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8410 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8412 2000-09-06 Kazu Hirata <kazu@hxi.com>
8414 * calls.c: Fix formatting.
8416 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8418 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8420 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8422 Integrated preprocessor.
8424 * Makefile.in: Remove all references to c-parse.gperf,
8425 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8426 generating c-parse.c. Update dependencies.
8427 * c-parse.gperf, c-gperf.h: Delete.
8429 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8430 yy_lim, or yy_get_token. Don't define get_directive_line if
8432 * c-common.h: Add multiple include guard. Define RID values
8433 for every keyword in C, C++, and Objective C. Put all the
8435 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8436 * c-decl.c (c_decode_option): Handle -lang-objc here.
8437 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
8438 (grokdeclarator): Adjust for new RID scheme.
8439 (extract_interface_info): New stub.
8440 * c-lang.c: Don't declare yy_cur or parse_options.
8441 (lang_init_options): Call cpp_init. Don't call
8443 (lang_init): Don't call check_newline if USE_CPPLIB.
8445 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
8446 Elide lots of unnecessary code if USE_CPPLIB. Delete code
8447 rendered unnecessary by new architecture. Move routines not
8448 shared with C++ to c-parse.in. Maintain a local idea of the
8449 line number. Handle C++ as well as C.
8450 [USE_CPPLIB]: Declare and register callbacks for #ident and
8451 for entering/leaving files.
8452 (init_c_lex, c_lex): Are now the entry points to this file.
8453 (check_newline): Break out directive handling to
8455 (read_ucs, is_extended_char, utf8_extend_token): Moved here
8457 (readescape, parse_float): Overhaul.
8458 (lex_number, lex_string, lex_charconst): Break out of c_lex
8460 (get_fileinfo, update_header_times, dump_one_header,
8461 dump_time_statistics): New and/or moved here from C++.
8462 Support per-file data needed by C++ and per-header timing
8463 statistics (C++ only, at the moment).
8464 * c-lex.h: Update prototypes. Add multiple include guard.
8465 * c-tree.h (struct lang_identifier): Add rid_code field.
8466 (C_IS_RESERVED_WORD, C_RID_CODE): New.
8468 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
8469 reinit_parse_for_function and/or position_after_white_space.
8470 (save_filename, save_lineno): Look ahead before saving.
8471 (label -> identifier ':'): Save file and line before shifting ':'.
8472 (reservedwords): No need to call get_identifier.
8473 (init_parse, finish_parse, yyerror, yylex, yyprint,
8474 make_pointer_declarator): Are now here for C/ObjC.
8475 (rid_to_yy): Conversion table from RID constants to Yacc codes.
8477 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
8478 #pragma registry. Provide dummy implementation of that
8479 interface if !USE_CPPLIB.
8480 * c-pragma.h: Update to match.
8482 * flags.h: Add multiple include guard.
8483 (flag_detailed_statistics): Moved here from C++.
8484 * toplev.c: Define flag_detailed_statistics.
8486 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
8488 * timevar.def (TV_CPP, TV_LEX): New.
8489 * timevar.h: Add multiple include guard.
8491 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
8493 * objc/objc-act.c: Don't mention yy_cur or parse_options.
8494 Initialize cpplib properly. Force lineno to 0 after first
8495 call to check_newline. Don't handle -lang-objc here.
8496 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
8498 2000-09-06 David Edelsohn <edelsohn@gnu.org>
8500 * rs6000.md: Correct function unit definitions for cr_logical and
8502 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
8503 and use portable method for >=0 and floating point >=. Remove
8504 associated matchers.
8506 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8508 * extend.texi: Mark named return value extension as deprecated.
8510 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8512 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
8515 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
8517 * toplev.c (display_help): Fix thinko in documentation.
8519 * diagnostic.h (output_buffer::indent_skip): New fields.
8520 (output_indentation): New macro.
8522 * diagnostic.c (output_indent): New function.
8523 (output_set_prefix, clear_diagnostic_info): Use.
8524 (output_emit_prefix): Predict future indentation.
8526 2000-09-06 DJ Delorie <dj@redhat.com>
8528 * Makefile.in (stage_*): add more dependencies to ensure parallel
8529 builds build correctly
8531 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
8533 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
8534 not bootstrap-lean_f.
8536 2000-09-06 Andreas Schwab <schwab@suse.de>
8538 * mklibgcc.in: Emit rule for libgcc-stage-start.
8539 * Makefile.in (stage1-start, stage2-start, stage3-start,
8540 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
8542 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
8544 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
8545 (update_equiv_regs): Likewise, except for the mn10200 kludge.
8546 (combine_regs): Likewise.
8548 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
8549 * cse.c: Include "basic-block.h".
8550 (struct table_elt): New field REGCOST.
8551 (CHEAP_REG): Delete macro.
8552 (COST): Return 0 for REGs.
8553 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
8554 (notreg_cost): Return 0 for appropriate SUBREGs.
8555 (COSTS_N_INSNS): Return N * 2.
8556 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
8558 (CHEAPER): Use new function preferrable.
8559 (insert): Initialize REGCOST member.
8560 (find_best_addr): Use approx_reg_cost for estimation of register
8562 (cse_insn): Likewise.
8563 * loop.c (iv_add_mult_cost): New function.
8564 (add_cost, shift_cost, mult_cost): Delete variables.
8565 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
8566 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
8567 Make code that detects autoinc opportunities slightly less optimistic.
8568 (simplify_giv_expr): If expression contains other reg that is also a
8569 giv, only increment benefit if this is the only use of that reg.
8570 (consec_sets_giv): Take that change into account.
8571 (combine_givs): Slightly more verbose output.
8573 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
8574 not the cost of an equivalent shift.
8575 * sh-protos.h (addsubcosts): Declare.
8576 * sh.c (addsubcosts): New function.
8577 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
8578 (RTX_COSTS): Tweak. Use addsubcosts.
8579 (ADDRESS_COST): Return higher cost for reg+reg addressing.
8581 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8583 * config/rs6000/rs6000.c (validate_condition_mode): New function.
8584 (branch_comparison_operator): Call validate_condition_mode to
8585 abort rather than returning 0.
8586 (branch_positive_comparison_operator): New function.
8587 (scc_comparison_operator): Call validate_condition_mode to abort
8588 rather than returning 0.
8589 (ccr_bit): Call validate_condition_mode. Update for
8591 (print_operand): Delete %C modifier. Update %E case
8592 to use EQ bit not SO bit.
8593 (rs6000_reverse_condition): New function.
8594 (rs6000_generate_compare): New function.
8595 (rs6000_emit_sCOND): New function.
8596 (rs6000_emit_cbranch): New function.
8597 (output_cbranch): The length of a long branch insn is
8598 now only 8 bytes. Add validate_condition_mode. Use
8599 rs6000_reverse_condition. Remove cror generation.
8601 * config/rs6000/rs6000.h: Update comments.
8602 (PREDICATE_CODES): Add new predicate. Update codes used
8603 by branch_comparison_operator and scc_comparison_operator.
8604 * config/rs6000/rs6000-protos.h: Add prototypes for
8605 new external functions.
8606 * config/rs6000/rs6000.md: Add new scheduling parameters
8607 for cr_logical instructions. Change length of branch
8609 (bCOND patterns): Call rs6000_emit_cbranch.
8610 (sCOND patterns): Call rs6000_emit_sCOND.
8611 (branch patterns): Change lengths to 4.
8612 (cr logical patterns): New.
8614 2000-09-06 Richard Henderson <rth@cygnus.com>
8616 * config/i386/i386.md (call_pop): Fix test for setting
8617 current_function_uses_pic_offset_table.
8618 (call, call_value_pop, call_value): Likewise.
8620 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8622 * timevar.c (timevar_add): Delete.
8623 (timevar_get): Also count time since the selected timer was
8624 last updated. Do not examine the timevar stack if the
8625 selected timer is standalone.
8627 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8629 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
8631 2000-09-05 Jason Merrill <jason@redhat.com>
8633 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
8634 for 'extern' arrays.
8636 2000-09-05 Richard Henderson <rth@cygnus.com>
8638 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
8639 Eliminate final copy from non-trapping case.
8640 (__divdf3, __divsf3): Likewise.
8642 2000-09-05 Richard Henderson <rth@cygnus.com>
8644 * config/ia64/ia64.md (mulhi3): Fix typo last change.
8645 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
8647 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8649 * Makefile.in: Restructure bootstrap stages to allow clean
8650 restart after failure.
8652 2000-09-05 Richard Henderson <rth@cygnus.com>
8654 * config/ia64.md (movsi and movdi patterns): Allow moves from
8655 8-bit constants to AR registers.
8657 2000-09-05 Richard Henderson <rth@cygnus.com>
8659 * config/ia64/ia64.md (mulhi3): New.
8661 2000-09-05 Richard Henderson <rth@cygnus.com>
8663 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
8664 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
8665 Optimization Guide, minimum latency alternative.
8666 (__moddi3, __udivdi3, __umoddi3): Likewise.
8667 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
8669 2000-09-05 Bruce Korb <bkorb@gnu.org>
8671 * fixinc/fixincl.c (load_file): always read header files
8672 with sizes that are a multiple of the page size.
8673 & use libiberty's getpagesize for determining that.
8675 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
8677 * gcse.c (hash_string_1): Add prototype.
8678 * cse.c (canon_hash_string): Likewise.
8680 2000-09-04 Craig Newell <CraigN@ieee.org>
8682 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
8684 2000-09-04 Andreas Schwab <schwab@suse.de>
8686 * Makefile.in (STAGESTUFF): Remove libgcc.
8687 (stage1-start, stage2-start, stage3-start): Copy the contents of
8688 the libgcc directory explicitly.
8689 (mostlyclean): Clean libgcc.
8691 2000-09-04 Andrew Haley <aph@redhat.com>
8693 * dwarf2out.c: (stack_adjust_offset): New prototype.
8695 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
8697 * combine.c (make_extraction): Fix rtx_cost comparison to
8700 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
8702 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
8703 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
8704 Add '*' to insn pattern name.
8706 2000-09-04 Jakub Jelinek <jakub@redhat.com>
8708 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
8709 use posn - 1 to index into tokens array.
8710 (maybe_paste_with_next): Adjust caller.
8712 2000-09-03 Geoff Keating <geoffk@cygnus.com>
8714 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
8716 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
8717 (REGNO_REG_CLASS): Use symbolic register
8720 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
8722 * arm.c (final_prescan_insn): If the form of a jump insn isn't
8723 recognized, don't try to conditionally execute it.
8725 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
8727 * config/avr/avr.md ("*tablejump_lib"): New pattern.
8728 (call_value_insn): Right length claculation.
8729 (call_insn): Likewise.
8731 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
8733 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
8734 gas_output_limited_string, gas_output_ascii, output_movqi,
8735 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
8736 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
8737 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8738 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
8739 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
8740 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
8741 Add "const" as needed to remove warnings.
8743 * config/avr/avr.c (avr_override_options, avr_init_once,
8744 function_prologue, function_epilogue, frame_pointer_required_p,
8745 class_likely_spilled_p, order_regs_for_local_alloc,
8746 avr_address_cost, avr_ret_register): Use K&R style arguments.
8747 (initial_elimination_offset, gas_output_limited_string):
8748 Remove ATTRIBUTE_UNUSED from the used arguments.
8749 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
8750 Use local variables src, dest, base to access operands[].
8751 Rename reg_dest to reg_src if that's what it is.
8752 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
8753 constants to LD_REGS if reg_was_0.
8754 (output_reload_insisf): Change arg 3 to insn length and set it.
8755 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
8756 access to 16-bit I/O register pairs.
8757 (avr_address_cost): Lower cost for the above case.
8758 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
8759 may be clobbered, also for LD_REGS.
8760 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
8763 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
8765 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
8766 macro to test_hard_reg_class function.
8767 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
8768 for loading immediate constants to LD_REGS.
8769 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
8772 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
8774 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
8775 * config/avr/libgcc.S: Lost part of the previous patch.
8777 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8779 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
8780 object before calling pthread_mutex_init.
8782 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
8784 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
8785 config/sh/crtn.asm: New files.
8786 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
8787 (crt1.o, crti.o, crtn.o): New targets.
8788 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
8790 * configure: Rebuilt.
8791 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8792 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
8793 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8794 Undefine for config/elfos.h to redefine.
8795 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
8797 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8799 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
8800 legitimize_pic_address, output_pic_addr_const): Declare.
8801 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
8802 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
8803 (TARGET_SWITCHES): New switch -mprefergot.
8804 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
8805 (PIC_OFFSET_TABLE_REGNUM): Define.
8806 (GOT_SYMBOL_TABLE): Likewise.
8807 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
8808 (ENCODE_SECTION_INFO): Define.
8809 (FINALIZE_PIC): New macros.
8810 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
8811 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
8812 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
8813 (prepare_move_operands): Call emit_pic_move or
8814 emit_pic_const_move if appropriate.
8815 (output_far_jump): For PIC, use braf and output long offset.
8816 (machine_dependent_reorg):
8817 (sh_expand_prologue): Save and initialize the PIC register.
8818 (sh_expand_epilogue): Restore it.
8819 (initial_elimination_offset): Account for it.
8820 (nonpic_symbol_mentioned_p): New function.
8821 (legitimize_pic_address): Likewise.
8822 (output_pic_addr_const): Likewise.
8823 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
8824 (call, call_value): Use them.
8825 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
8826 symPLT_label2reg): New expands.
8827 * invoke.texi (SH Options): Document -mprefergot.
8829 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
8831 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
8832 * gcse.c (hash_string_1): New function.
8833 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
8834 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
8835 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
8836 (canon_hash_string): New function.
8837 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
8838 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
8839 (fold_rtx): Use ASM_OPERANDS accessor macros.
8840 * emit-rtl.c (copy_insn_1): Likewise.
8841 * integrate.c (copy_rtx_and_substitute): Likewise.
8842 * stmt.c (expand_asm_operands): Likewise. Give an
8843 ASM_OPERANDS rtx the mode of the output reg being set from it.
8845 2000-09-01 Fred Fish <fnf@be.com>
8847 * fix-header.c (write_rbrac): Add putc and getc to list of
8848 functions to protect against prior definition as a macro.
8850 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
8852 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
8853 (c_size_type_node): Define.
8854 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
8855 * c-common.c (enum format_lengths, enum format_std_version,
8856 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
8857 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
8858 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
8859 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
8860 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
8861 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
8862 format_types): Define.
8863 (format_char_info, print_char_table, scan_char_table,
8864 time_char_table): Rearrange for new organization of information
8865 about format length modifiers and standard versions.
8866 (T_ST): Redefine to use c_size_type_node.
8867 (check_format_info): Obtain information about length modifiers and
8868 standard versions from tables. Adjust warning message wordings.
8869 Use the name from the user's program for `ll' and `hh' length
8870 modifiers in warning messages. Use more informative names for
8871 wanted types where available (for wchar_t, wint_t, size_t, signed
8872 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8874 2000-09-01 Jim Wilson <wilson@cygnus.com>
8876 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8877 * combine.c (distribute_notes): Handle REG_NORETURN.
8878 * rtl.c (reg_note_name): Add REG_NORETURN.
8879 * rtl.h (enum reg_note): Likewise.
8881 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8883 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8884 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8885 (emit_predicate_relation_info): Handle conditional calls with
8887 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8888 instead of ia64_file_start.
8889 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8890 * config/ia64/ia64.md (safe_across_calls_all,
8891 save_across_calls_normal): New patterns.
8893 * loop.c (check_final_value): Check for biv use before checking for
8894 giv use. Check for both biv and giv uses. Always set last_giv_use
8895 if there is a giv use.
8897 2000-09-01 Richard Henderson <rth@cygnus.com>
8899 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8900 (madddi3): Likewise.
8903 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8905 * expr.c (clear_storage): Don't use emit_move_insn unless
8906 either BLKmode or proper size.
8907 (store_constructor): Don't call clear_storage if REG of wrong size.
8909 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8910 of function if returns wiht stack pointer depressed.
8912 2000-09-01 Andrew Haley <aph@redhat.com>
8914 * dwarf2out.c (stack_adjust_offset): New function.
8915 (dwarf2out_stack_adjust): Break out stack adjust logic into
8916 new stack_adjust_offset function. Look inside parallels and
8917 sequences for stack adjustments.
8919 2000-08-31 Jeff Law <law@cygnus.com>
8921 * arm.md: Use no_new_pseudos to determine when it is safe
8922 to create new pseudo registers.
8924 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8925 when we can safely allocate new registers.
8927 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8929 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8930 so that CONCATs are not generated for ASMs.
8931 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8932 not generating_concat_p.
8933 * function.c (pop_function_context_from): Reset
8934 generating_concat_p.
8935 (prepare_function_start): Likewise.
8936 * rtl.c (generating_concat_p): Define.
8937 * rtl.h (generating_concat_p): Declare.
8938 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8940 2000-08-22 Philipp Thomas <pthomas@suse.de>
8941 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8943 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8946 2000-08-30 Greg McGary <greg@mcgary.org>
8948 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8949 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8950 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8952 2000-08-30 Greg McGary <greg@mcgary.org>
8954 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8955 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8956 (TREE_INT_CST): New macro.
8957 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8958 Use new macro TREE_INT_CST.
8960 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8962 * contrib.texi: Add self.
8964 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8966 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8967 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8970 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8972 * fixinc/gnu-regex.c: Don't define `const'.
8974 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8976 * expr.c (store_constructor): Allow variable bounds of array type.
8977 (expand_expr): Don't blow up if type is ERROR_MARK.
8978 * varasm.c (output_constructor): Don't access lower bound of array
8979 type unless need it if index is supplied (so it can be a variable
8980 if no index is supplied).
8981 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8982 Other minor cleanups.
8984 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8986 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
8987 for compilations in stage 1 and subsequent stages, respectively.
8988 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
8989 * configure: Rebuilt.
8990 * x-vax, x-vax-gcc: Deleted.
8992 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8994 * c-common.c (declare_function_name): Use func_id_node,
8995 function_id_node, and pretty_function_id_node. Do not make
8996 __func__ visible at file scope.
8997 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
8998 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
8999 (function_id_node, pretty_function_id_node, func_id_node): New
9001 * c-decl.c (init_decl_processing): Initialize function_id_node,
9002 pretty_function_id_node, and func_id_node.
9003 (c_make_fname_decl): Correct comment.
9005 * tree.h (struct tree_identifier): Constify pointer member.
9007 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
9008 * c-pragma.h (struct weak_syms): Constify name and value members.
9009 (add_weak): Constify arguments.
9011 * calls.c (special_function_p): Constify a char *.
9012 (expand_call): Remove variable which is initialized and then
9014 * dependence.c (struct def_use, struct induction, struct subscript):
9015 Constify 'variable' member.
9016 (get_low_bound, have_induction_variable): Constify char * argument.
9017 (find_induction_variable): Add braces to avoid dangling else.
9018 (classify_dependence): Constify char * arrays.
9019 * profile.c (output_func_start_profiler): Constify a char *.
9020 * stor-layout.c (finalize_record_size): Constify a char *.
9021 * tree.c (is_attribute_p): Constify a char *.
9022 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
9024 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
9025 for comprehensibility. Do not call get_identifier if we did
9026 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
9027 create temporary string constants, not ggc_alloc_string. No
9028 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
9029 char * to hold IDENTIFIER_POINTERs.
9031 2000-08-29 Richard Henderson <rth@cygnus.com>
9033 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
9036 2000-08-29 Richard Henderson <rth@cygnus.com>
9038 * reload.c (push_secondary_reload): Allow class == reload_class
9039 if we're using a reload_in/out pattern.
9041 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
9042 the half that does not conflict with the reload register.
9043 (reload_outti): Likewise.
9045 2000-08-29 Kazu Hirata <kazu@hxi.com>
9047 * reload.c: Fix formatting.
9049 * stmt.c: Fix formatting.
9051 * gcc.c: Fix formatting.
9053 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9055 * flags.h (time_report, mem_report): New global flags.
9056 * toplev.c: Define time_report and mem_report.
9057 (f_options): Add -ftime-report and -fmem-report.
9058 (compile_file): Turn on time_report if quiet_flag is off.
9059 Call ggc_print_statistics at very end if mem_report is on.
9060 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
9062 * ggc-common.c (ggc_print_statistics): Rename to
9063 ggc_print_common_statistics; all callers changed. Scale
9064 quantities above 10K to kilobytes and above 10M to megabytes.
9065 * ggc-page.c (ggc_page_print_statistics): Rename to
9066 ggc_print_statistics. Report memory consumed by internal data
9067 structures for each allocation bucket. Scale quantities above
9068 10K to kilobytes and above 10M to megabytes.
9069 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
9070 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
9071 Define tally_leaves always.
9072 (ggc_print_statistics): New function.
9073 * ggc.h: Adjust for renamed functions.
9075 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
9077 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
9078 output_movsisf instead of which_alternative.
9080 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
9082 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
9084 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
9085 (avr_progmem_p): New prototype.
9086 (output_movsisf): Prototype declaration changed.
9087 (output_movqi): New prototype.
9088 (output_movhi): New prototype.
9089 (call_insn_operand): Likewise.
9090 (final_prescan_insn): Likewise.
9091 (avr_simplify_comparision_p): Likewise.
9092 (avr_normalize_condition): Likewise.
9093 (compare_eq_p): Likewise.
9094 (out_shift_with_cnt): Likewise.
9095 (const_int_pow2_p): Likewise.
9096 (output_reload_inhi): Prototype declaration changed.
9098 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
9099 (ldi_reg_rtx): New. rtx for r31.
9100 (avr_init_stack): Initialize as "__stack".
9101 (function_prologue): Use it.
9102 Replace all TARGET_ENHANCED with AVR_ENHANCED.
9103 (avr_mcu_name): Initialize as "avr2".
9104 (avr_enhanced_p, avr_mega_p): New variables.
9105 (mcu_types, avr_override_options): Handle all known MCU types.
9106 Also handle avr1 (only preprocess, assemble and link).
9107 (print_operand): Using of `%K' in output template removed.
9108 (out_movqi_r_mr): Optimized.
9109 (out_movhi_r_mr): Likewise.
9110 (output_movqi): New function.
9111 (output_movhi): Likewise.
9112 (out_movsi_r_mr): Optimized.
9113 (output_movsisf): Compute insn length for `adjust_insn_length'
9114 (out_movqi_mr_r): Optimized.
9115 (out_movhi_mr_r): Optimized.
9116 (adjust_insn_length): Use output_movsisf, output_movqi,
9117 output_movhi for insn length adjusting.
9118 (reg_unused_after): Use dead_or_set_p.
9119 (preferred_reload_class): Now havn't any restriction.
9120 (reg_was_0): New function.
9121 (io_address_p): Likewise.
9122 (const_int_pow2_p): Likewise.
9123 (output_reload_inhi): Likewise.
9124 (output_reload_insisf): Likewise.
9126 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
9127 (LIB_SPEC): Use -lc for all supported devices.
9128 (LIBGCC_SPEC): Use -lgcc for all supported devices.
9129 (AVR_MEGA): Define as avr_mega_p.
9130 (AVR_ENHANCED): New, define as avr_enhanced_p.
9131 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
9132 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
9133 (CRT_BINUTILS_SPECS): Handle all known MCU types.
9134 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
9135 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
9136 (ASM_SPEC): Pass -mmcu=... to the assembler.
9137 Change all -DAVR_* to -D__AVR_*__.
9138 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
9139 Rename library functions to start with two underscores.
9140 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
9142 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
9143 (SUPPORTS_WEAK): Likewise.
9144 (LDI_REG_REGNO): New. Register r31 will be used as temporary
9145 register for loading constants to r0-r14.
9147 * config/avr/avr.md: Replace all TARGET_ENHANCED with
9149 (*mov_r_sp): Removed. Handled by output_movhi.
9150 (*mov_sp_r): Likewise.
9151 (*mov_sp_r_no_interrupts): Likewise
9152 (*mov_sp_r_tiny): Likewise.
9153 (*movqi): Use output_movqi.
9154 (*reload_inqi): New.
9155 (*movhi): Use output_movhi.
9156 (*reload_inhi): New.
9157 (*negsi2): Optimized.
9158 (*negsf2): Likewise.
9159 Added peepholes (define_peephole2) for loading constants to r0-r14
9160 and for using `cpse' command.
9162 * config/avr/libgcc.S: Rename library functions to start with two
9164 Add support for enhanced core.
9165 (_moqhi3): Fix typo, now _modqi3.
9166 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
9167 (__prologue_saves__): Remove test for stack adjust by 0.
9168 (__tablejump__): New.
9170 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
9171 Add multilib support.
9173 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
9175 * loop.c (prescan_loop): Don't check unknown_address_altered
9176 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
9177 to loop_store_mems as necessary.
9178 (loop_invariant_p): Don't check unknown_address_altered
9179 or unknown_constant_address_altered.
9181 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9183 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
9185 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9187 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
9188 print just the filename.
9189 * cpplex.c (_cpp_run_directive): Add additional argument, the
9190 name to give the synthetic buffer. This defaults to
9191 translated "<command line>".
9192 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
9194 (_cpp_define_builtin): New function.
9195 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
9196 * cpphash.h: Update prototypes.
9198 * tradcpp.c (main): Process -D and -U simultaneously, in the
9199 order they appeared on the command line.
9201 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9203 * c-decl.c (define_label): Call warning_with_file_and_line and
9204 error_with_file_and_line instead of plain warning or error.
9206 * c-parse.in (label): Use save_filename/save_lineno to ensure
9207 correct values for calls to define_label.
9209 2000-08-29 Mark Mitchell <mark@codesourcery.com>
9211 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
9213 * expr.c (expand_expr, case TARGET_EXPR): Don't call
9215 * tree.h (get_file_function_name): Remove two duplicate
9218 2000-08-28 Kazu Hirata <kazu@hxi.com>
9220 * tree.c: Fix formatting.
9222 * xcoffout.c: Fix formatting.
9224 2000-08-28 Jason Merrill <jason@redhat.com>
9226 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
9228 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9230 * dwarf2out.c (dwarf2out_finish): Don't bother calling
9231 break_out_includes if it won't do anything.
9233 2000-08-28 Richard Henderson <rth@cygnus.com>
9235 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
9236 (find_reloads): Likewise.
9237 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
9238 (reload_inhi): Likewise.
9240 2000-08-28 Richard Henderson <rth@cygnus.com>
9242 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
9243 (call_insn_operand): Don't expect a surrounding mem.
9244 (constant_call_address_operand): Likewise.
9245 * config/i386/i386.h (PREDICATE_CODES): Update.
9246 * config/i386/i386.md (call patterns): Move the match_operand
9247 for the call destination inside the mem.
9249 2000-08-28 Richard Henderson <rth@cygnus.com>
9251 * local-alloc.c (requires_inout): Don't use reserved range for
9252 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
9253 * recog.c (asm_operand_ok): Likewise.
9254 (preprocess_constraints, constrain_operands): Likewise.
9255 * regclass.c (record_reg_classes): Likewise.
9256 * reload.c (find_reloads): Likewise.
9257 * reload1.c (maybe_fix_stack_asms): Likewise.
9258 (reload_cse_simplify_operands): Likewise.
9259 * stmt.c (expand_asm_operands): Likewise.
9261 * md.texi: Update constraints documentation.
9262 * tm.texi (EXTRA_CONSTRAINT): Update.
9264 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9266 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
9267 (print_die): If we don't know the offset of the
9268 target die, try the symbol. Add a trailing newline.
9269 (reverse_all_dies): New fn.
9270 (dwarf2out_finish): Call it.
9271 (break_out_includes): Reorganize for clarity.
9272 (add_sibling_attributes): Don't call reverse_die_lists.
9273 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
9275 * flags.h: Add flag_eliminate_dwarf2_dups.
9276 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
9278 2000-08-28 Jason Merrill <jason@redhat.com>
9280 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
9281 * dwarf2out.c: #include "md5.h".
9282 (DIE_LABEL_PREFIX): New macro.
9283 (dw_val_struct): Add 'external' flag to val_die_ref.
9284 (add_AT_die_ref, AT_ref): Adjust.
9285 (AT_ref_external, set_AT_ref_external): New fns.
9286 (build_abbrev_table): Call set_AT_ref_external.
9287 (value_format): Call AT_ref_external.
9288 (die_struct): Add die_symbol field.
9289 (new_die): Clear it.
9290 (dwarf_tag_name): Handle BINCL/EINCL.
9291 (dwarf2out_start_source_file): Add BINCL DIE.
9292 (dwarf2out_end_source_file): Add EINCL DIE.
9293 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
9294 (loc_checksum, attr_checksum, die_checksum): New fns.
9295 (is_type_die, is_comdat_die, is_symbol_die): New fns.
9296 (compute_section_prefix, assign_symbol_names): New fns.
9297 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9298 (output_die): Call output_die_symbol and AT_ref_external.
9299 (output_comdat_comp_unit): New fn, split out from...
9300 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9302 (output_pubnames, output_aranges): Abort if we see entries from
9304 * toplev.h: Declare file_name_nondirectory.
9305 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9306 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9307 (debug_start_source_file): Call dwarf2out_start_source_file
9308 regardless of debug verbosity.
9309 (debug_end_source_file): Similarly.
9310 * tree.h: Declare clean_symbol_name.
9311 * tree.c (clean_symbol_name): Split out from...
9312 (get_file_function_name_long): ...here.
9314 * dwarf2out.c (new_loc_descr): Use calloc.
9315 (splice_child_die): Remove the die from the right parent.
9316 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9318 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9320 * toplev.c (decode_g_option): Don't give warning for unknown -g
9321 option; return 0 instead.
9322 (main): If -g option is not recognized by front end or
9323 language-independent code, give warning.
9325 2000-08-28 Greg McGary <greg@mcgary.org>
9327 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9328 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9329 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9331 2000-08-27 Greg McGary <greg@mcgary.org>
9333 * cpplex.c (parse_string): Don't look for backslash
9334 before first char in `namebuf'.
9335 * loop.c (strength_reduce): Skip NOTEs.
9337 2000-08-27 Jason Merrill <jason@redhat.com>
9339 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9340 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9341 TREE_ASM_WRITTEN, either.
9342 (finish_decl): Adjust.
9344 2000-08-28 Philipp Thomas <pthomas@suse.de>
9346 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9347 they have been incorporated into the gettext CVS. Change the text to
9348 reflect the current status of NLS. Add instructions for accessing
9349 the gettext CVS and add the patch from Martin v. Loewis.
9351 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9353 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9354 by using gen_lowpart_common.
9355 (movdi_internal64+6): Likewise.
9357 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9359 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9362 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9363 numbers to the ranges used by GDB.
9365 2000-08-25 Richard Henderson <rth@cygnus.com>
9367 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9368 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9369 (ia64_expand_prologue): Likewise.
9370 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9371 argument for stdargs.
9373 2000-08-25 Jason Merrill <jason@redhat.com>
9375 * integrate.c (expand_inline_function): Pull out the original decl.
9377 2000-08-25 Jim Wilson <wilson@cygnus.com>
9379 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9381 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9383 2000-08-25 Greg McGary <greg@mcgary.org>
9385 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9386 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9388 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9390 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9392 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9394 * i386.c (ix86_find_base_term): New.
9395 * i386-protos.h (ix86_find_base_term): Prototype.
9396 * i386.h (FIND_BASE_TERM): Define.
9397 * alias.c (find_base_term): Use it.
9398 * tm.texi (FIND_BASE_TERM): Document it.
9400 * alias.c (true_dependence, write_dependence_p): Unchanging
9401 memory can't conflict with non-unchanging memory.
9403 * alias.c (memrefs_conflict_p): A BLKmode reference
9404 to a symbol (or CONST_INT address) always conflicts
9405 with a reference to another symbol.
9407 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9409 * c-common.c (time_char_table): Don't allow width and flags with
9412 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9414 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9415 way as LT and LTU when the second operand has 0 in low word.
9417 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9419 * basic-block.h (struct loop): Rename `exits' field to
9420 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9422 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9423 (flow_loop_entry_edges_find): Add.
9424 (flow_edge_list_print): Rename from flow_exits_print.
9425 (flow_loops_find): Call flow_loop_entry_edges_find.
9426 (flow_loop_dump): Dump entry_edges list.
9427 (flow_loops_free): Free entry_edges.
9429 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9431 * loop.c (loop_dump_aux, debug_loop): New functions.
9432 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9434 * flow.c (flow_loops_dump): Add callback parameter.
9435 (flow_loop_dump): Add callback parameter and call it. Move
9436 loop note debugging code to loop_dump_aux.
9438 * basic-block.h (flow_loop_dump): Add callback parameter
9439 (flow_loops_dump): Likewise.
9441 * toplev.c (rest_of_compilation): Add NULL callback function pointer
9442 to call to flow_loops_dump.
9444 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9446 * loop.c (count_loop_regs_set): Replace start and end arguments
9447 with loop argument. All callers udated.
9449 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9451 * loop.c (constant_high_bytes): Delete.
9453 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9455 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
9456 and NOTE_INSN_LOOP_VTOP to...
9457 (find_and_verify_loops) ...here.
9459 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9461 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
9462 (fini_dummy, init_dummy): Use it.
9464 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
9466 * cpplex.c (is_macro_disabled): Caller has already checked
9467 that we're not a preprocessed file.
9469 2000-08-24 Mark Mitchell <mark@codesourcery.com>
9471 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
9472 (c-iterate.o): Remove target.
9473 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
9474 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
9475 (finish_decl): Don't handle iterators.
9476 (grokdeclarator): Likewise.
9477 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
9478 * gcc/c-gperf.h: Regenerated.
9479 * gcc/c-iterate.c: Removed.
9480 * gcc/c-lex.c (init_lex): Don't handle iterators.
9481 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
9482 (compstmt_primary_start): Remove push_iterator_stack call.
9483 (stmt): Don't allow iterator statements. Replace iterator_expand
9484 with expand_expr_stmt.
9485 (all_iter_stmt): Remove.
9486 (all_iter_stmt_simple): Likewise.
9487 (all_iter_stmt_with_decl): Likewise.
9488 * gcc/c-tree.h (ITERATOR_P): Remove.
9489 (ITERATOR_BOUND_P): Likewise.
9490 (init_iterators): Remove declaration.
9491 (iterator_expand): Likewise.
9492 (iterator_for_loop_start): Likewise.
9493 (iterator_for_loop_end): Likewise.
9494 (iterator_for_loop_record): Likewise.
9495 (push_iterator_stack): Likewise.
9496 (pop_iterator_stack): Likewise.
9497 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
9498 (readonly_warning): Likewise.
9499 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
9501 2000-08-24 Jim Wilson <wilson@cygnus.com>
9503 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
9504 Copy type in a TYPE_DECL, just like pushdecl does.
9506 2000-08-24 Richard Henderson <rth@cygnus.com>
9508 * toplev.c (main): Enable flag_reorder_blocks at -O2.
9510 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9512 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
9513 asked for one page, allocate GGC_QUIRE_SIZE of them and put
9514 the extras on the free list.
9515 (release_pages): Clean up.
9516 (ggc_set_mark): Don't adjust G.allocated here...
9517 (sweep_pages): ... do it here.
9519 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9521 * cppfiles.c (read_include_file): Rearrange initializations.
9523 2000-08-24 Richard Henderson <rth@cygnus.com>
9525 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
9527 * config/ia64/ia64-protos.h: Update.
9528 * config/ia64/ia64.c (gr_register_operand): New.
9529 (fr_register_operand, grfr_register_operand): New.
9530 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
9531 (grfr_reg_or_8bit_operand): New.
9532 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
9533 use gr_register_operand.
9534 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
9535 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
9536 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
9537 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
9538 (fr_reg_or_fp01_operand): Likewise.
9539 (not_postinc_memory_operand): New.
9540 (ia64_split_timode): Remove unused variables.
9541 (rtx_needs_barrier): Check arguments to cmpxchg.
9542 (builtin_description): Remove.
9543 (bdesc_2argsi, bdesc_2argdi): Remove.
9544 (ia64_init_builtins): Declare all builtins directly.
9545 (ia64_expand_fetch_and_op): Rewrite to be called from
9546 ia64_expand_builtin directly. Use expand_binop and co.
9547 (ia64_expand_op_and_fetch): Likewise.
9548 (ia64_expand_compare_and_swap): Likewise.
9549 (ia64_expand_binop_builtin): Remove.
9550 (ia64_expand_lock_test_and_set): New.
9551 (ia64_expand_lock_release): New.
9552 (ia64_expand_builtin): Use them.
9553 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
9554 (EXTRA_CONSTRAINT): Use it.
9555 (PREDICATE_CODES): Update.
9556 * config/ia64/ia64.md (*): Use gr_register_operand and co.
9557 (mf): Indicate that we set memory as well as use it.
9558 (fetchadd_acq_si): Show memory being modified as well.
9559 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
9560 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
9561 (lock_test_and_set_si, lock_test_and_set_di): Remove.
9562 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
9563 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
9564 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
9565 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
9566 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
9567 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
9568 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
9569 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
9570 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
9571 return type. Pretty print definitions.
9573 2000-08-24 Jim Wilson <wilson@cygnus.com>
9575 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
9576 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
9578 2000-08-24 Jason Merrill <jason@redhat.com>
9580 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
9581 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
9582 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
9583 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
9585 2000-08-24 Greg McGary <greg@mcgary.org>
9587 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
9588 and extendtab within their proper array boundaries.
9589 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
9590 for the entire array.
9592 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
9593 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
9594 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
9595 * config/fr30/fr30.c (fr30_print_operand): Likewise.
9596 * config/i386/dgux.c (output_options): Likewise.
9597 * config/i386/dgux.h (ASM_FILE_START): Likewise.
9598 * config/m88k/m88k.c (output_options): Likewise.
9599 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
9600 * config/mcore/mcore.c (mcore_output_inline_const_forced,
9601 layout_mcore_frame, handle_structs_in_regs): Likewise.
9602 * config/mips/mips.c (output_block_move): Likewise.
9603 * config/rs6000/rs6000.c (rs6000_override_options,
9604 rs6000_file_start): Likewise.
9605 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
9606 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
9607 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
9608 * builtins.c (expand_builtin_setjmp): Likewise.
9609 * expr.c (safe_from_p): Likewise.
9610 * flow.c (life_analysis): Likewise.
9611 * fold-const.c (size_int_type_wide): Likewise.
9612 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
9613 * genattrtab.c (make_length_attrs): Likewise.
9614 * genopinit.c (gen_insn): Likewise.
9615 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
9616 * global.c (global_alloc): Likewise.
9617 * local-alloc.c (find_free_reg): Likewise.
9618 * mips-tdump.c (print_symbol): Likewise.
9619 * mips-tfile.c (parse_def, parse_input): Likewise.
9620 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
9621 * stmt.c (expand_nl_goto_receiver): Likewise.
9622 * stor-layout.c (set_sizetype): Likewise.
9623 * varasm.c (decode_reg_name): Likewise.
9624 * toplev.c (decode_f_option, decode_W_option,
9625 set_target_switch, print_switch_values): Likewise.
9626 (NUM_ELEM): Remove macro.
9627 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
9629 2000-08-24 Greg McGary <greg@mcgary.org>
9631 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
9632 (MAIN_NAME_P, main_identifier_node): New macros.
9633 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
9634 * c-decl.c (start_decl, grokdeclarator, start_function,
9635 store_parm_decls, finish_function): Use MAIN_NAME_P.
9636 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
9637 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
9638 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9639 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
9641 2000-08-24 Greg McGary <greg@mcgary.org>
9643 * cppfiles.c (actual_directory): Don't write beyond `dir'
9644 when it contains "".
9645 * real.c (asctoeg): Stay within bounds of etens[][].
9647 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9649 * dependence.c (dependence_string, direction_string,
9650 dump_one_node, dump_node_dependence): Hide unused identifiers.
9651 (get_low_bound, normalize_coefficients): Match definition to
9653 (get_one_coefficient): Initialize variables `value0_is_idx' and
9655 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
9656 (ziv_test): Delete variable `idx', use parameter `sub' instead.
9657 (direction_merge): Avoid automatic aggregate initialization.
9658 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
9659 Initialize variables `dest_idx' and `src_idx'.
9660 (end_dependence_analysis): Avoid C89 style function definition.
9662 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
9664 * c-common.c (time_char_table): Don't allow width with %F.
9665 (check_format_info): Don't allow "Z" length with scanf.
9667 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
9669 * diagnostic.c (finish_diagnostic): Define.
9670 (output_do_printf): Use wrap_text instead of output_add_string.
9671 (default_print_error_function): Avoid embedded '\n'.
9673 * diagnostic.h (flush_diagnostic_buffer): Declare.
9675 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
9677 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
9679 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
9681 * Makefile.in (GCC_PASSES): Add specs.
9683 2000-08-23 Jim Wilson <wilson@cygnus.com>
9685 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
9686 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
9687 EHANDLER nor UHANDLER bit is set.
9688 (__get_except_table): Likewise.
9690 2000-08-23 Nick Clifton <nickc@redhat.com>
9692 * config/arm/lib1funcs.asm: Replace upper case condition codes
9693 with lower case versions.
9695 * config/arm/arm.h (STRUCT_VALUE): Define.
9696 (STRUCT_VALUE_REGNUM): Delete.
9698 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
9700 * cpphash.h (IN_I): New flag for directive table.
9701 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
9703 (_cpp_check_directive): If -fpreprocessed, execute directives
9704 marked with IN_I. Issue no warnings in this case.
9705 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
9707 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
9709 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
9711 (check_format_info): Support printf 'I' flag; warn about it with
9714 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
9716 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
9717 barrier can't be ignored by the alias analysis code.
9719 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
9721 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
9722 works inside fixincl.
9724 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
9726 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
9727 simplify_relational_operation() unless both operands are of
9729 * cse.c (fold_rtx): Likewise.
9731 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
9733 * rtlanal.c (rtx_unstable_p): The pic register is stable
9734 (within one function) and the actual rtx should be used
9735 when checking the registers.
9736 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
9738 * alias.c (true_dependence, write_dependence_p): Fix
9739 bug in previous patch.
9741 * i386.c (ix86_GOT_alias_set): New.
9742 (legitimize_pic_address): Use it.
9744 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
9745 only stable if its address is stable.
9746 (rtx_varies_p): An unchanging MEM can't vary if
9747 its address doesn't vary.
9749 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9751 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
9753 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9755 * vax.h (ASM_SPEC): Pass `-J' to assembler.
9756 * x-vax-gcc: New file for bootstrapping with gcc.
9757 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
9758 * configure.in: Use x-vax-gcc with gcc.
9759 * configure: Rebuilt.
9761 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9763 * toplev.c (rest_of_compilation): Rebuild label notes after
9764 post-reload splitting pass if new labels have been created.
9766 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9768 * diagnostic.h (output_buffer_state): New macro.
9769 * diagnostic.c (diagnostic_for_decl, sorry,
9770 default_print_error_function, output_do_verbatim,
9771 report_diagnostic, report_problematic_module): Use it.
9773 (output_format): Use wrap_text instead of maybe_wrap_text.
9775 2000-08-22 Nick Clifton <nickc@redhat.com>
9777 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
9778 Common code for ARM divide and modulus functions.
9779 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
9781 (FUNC_END): New macro: Common code at the end of the division and
9783 (THUMB_FUNCTION_START): New macro: Common code at the start of
9785 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
9787 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9789 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
9791 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
9792 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
9795 2000-08-22 Nick Clifton <nickc@redhat.com>
9797 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
9798 restorative additions, test for bottom bits of IP being set,
9799 rather than relying upon the RORs not matching.
9802 2000-08-22 David Edelsohn <edelsohn@gnu.org>
9804 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
9805 text_section() as appropriate instead of emitting text csect
9807 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
9808 (UNIQUE_SECTION): Define macro.
9809 (ASM_OUTPUT_SECTION_NAME): Define macro.
9810 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
9811 on AIX if debugging and -fdata-sections always.
9813 2000-08-22 Steven King <sxking@uswest.net>
9815 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
9817 (LDBL_MAX): Same here.
9819 2000-08-22 Richard Henderson <rth@cygnus.com>
9821 * flow.c (tidy_fallthru_edge): Update b->end properly.
9823 2000-08-22 Stan Cox <scox@redhat.com>
9825 * Makefile.in (OBJS): Add dependence.o.
9826 * dependence.c: New file.
9828 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
9830 * calls.c (check_sibcall_argument_overlap_1): Adjust for
9832 (check_sibcall_argument_overlap): Likewise.
9834 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
9836 * invoke.texi (SH Options): Document -m4-nofpu,
9837 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
9838 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
9840 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
9842 * c-common.c (check_format_info): Give the 'some locales' warning
9843 for strftime %Ey rather than the unconditional 'only last 2 digits
9846 2000-08-22 Richard Henderson <rth@cygnus.com>
9848 * alias.c (init_alias_analysis): Do not register
9849 struct_value_incoming_rtx or static_chain_rtx as pointing
9852 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
9854 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
9856 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9858 * diagnostic.h (report_problematic_module): Declare.
9859 * diagnostic.c (report_problematic_module): New function.
9860 (report_error_function): Tweak.
9862 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9864 * stmt.c (expand_goto_internal, fixup_gotos): Only check
9865 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9867 2000-08-21 Richard Henderson <rth@cygnus.com>
9869 * flow.c (calculate_global_regs_live): Mark frame pointer live
9870 everywhere before reload.
9872 2000-08-21 Jim Wilson <wilson@cygnus.com>
9874 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9875 INTEL_EXTENDED_IEEE_FORMAT.
9876 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9877 clear last two bytes of output FP value.
9879 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9881 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9883 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9885 * unroll.c (loop_find_equiv_value): If ret is modified between
9886 insn and loop_start, ret might not be equivalent to reg.
9888 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9890 * c-common.c (init_dollar_format_checking,
9891 maybe_read_dollar_number, finish_dollar_format_checking): New
9893 (dollar_arguments_used, dollar_arguments_count,
9894 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9896 (check_format_info): Support $ formats for scanf and printf width
9897 and precision. Always increment format_chars to advance past the
9898 '*' of precision, not just when the format parameters are
9901 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9903 * mips.c (block_move_loop, expand_block_move,
9904 function_arg_partial_nregs, save_restore_insns, function_prologue,
9905 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9907 (function_arg_advance, function_arg): Match argument to format
9910 2000-08-21 Nix <nix@esperi.demon.co.uk>
9912 * gcc.c (do_spec_1): Implement %j spec flag.
9913 Remove dead comment.
9915 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9916 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9917 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9918 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9920 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9921 writable) instead of hardcoded value.
9923 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9925 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9928 * gcc.c (cc1_options): Do not process -o or run the assembler if
9930 * objc/lang-spec.h: Likewise.
9932 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9934 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9935 "external" fixes through `cat', to avoid truncating the input
9936 file by redirection.
9938 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9940 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9942 (lea_general_2, lea_general_3): Likewise.
9944 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9946 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9947 warnings to user code.
9949 * c-lex.c (readescape, yylex): Likewise.
9951 * c-typeck.c (store_init_value, process_init_element): Likewise
9952 (c_expand_start_case): Format.
9954 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9956 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9958 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9959 and linker_endian_spec to endian_spec.
9960 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9961 (LINK_SPEC): Remove %{EB} and %{EL}.
9962 (ASM_SPEC): Likewise. Use %(endian_spec).
9964 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9966 * c-tree.h (flag_hosted): Move declaration from here...
9967 * c-common.h (flag_hosted): ... to here.
9968 (flag_noniso_default_format_attributes): New declaration.
9969 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9970 (c_decode_option): Set it appropriately for options choosing
9971 language standard variant.
9972 * c-common.c (init_function_format_info): Only provide default
9973 format attributes if flag_hosted. Only provide the gettext
9974 formats if flag_noniso_default_format_attributes. Update
9976 (check_format_info): Disable treatment of %a as a scanf flag in
9979 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9981 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9983 (check_format_info): Set 'wide' for scanf format widths. Warn for
9984 a zero scanf width. Make the check for writing into a constant
9985 object at the first level of indirection; at later levels, warn if
9986 any type qualifiers are encountered.
9988 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
9990 * reload.c (reload_inner_reg_of_subreg): New function broken out of
9992 (push_reload): Use reload_inner_reg_of_subreg.
9993 (combine_reloads): Do not combine reloads if the input reload
9994 is a SUBREG in which the inner part will need reloading.
9996 * global.c (global_alloc): Avoid passing dumpfile argument to
9998 * toplev.c (rest_of_compilation): Likewise.
9999 * reload.h (reload): Remove dumpfile argument. Callers changed.
10000 (debug_reload, debug_reload_to_stream): Move prototypes here.
10001 * rtl.h (reload): Remove dumpfile argument.
10002 * reload.c (debug_reload): Remove prototype.
10003 (debug_reload_to_stream): Likewise.
10004 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
10007 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10009 * diagnostic.c (context_as_prefix): Export.
10010 (need_error_newline): Remove.
10011 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
10012 (error_module_changed, record_last_error_module,
10013 error_function_changed, record_last_error_function): New functions.
10014 (initialize_diagnostics): Default intialize
10015 lang_diagnostic_starter, lang_diagnostic_finalizer.
10016 (init_output_buffer): Tweak.
10017 (file_name_as_prefix): New function.
10018 (announce_function, default_print_error_function,
10019 report_error_function, set_diagnostic_context): Tweak.
10021 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
10023 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
10024 condition expression.
10026 2000-08-20 Richard Henderson <rth@cygnus.com>
10028 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
10030 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
10032 * cppinit.c (cpp_init): Set global flag when called.
10033 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
10035 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
10037 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
10038 before `process_directive' so that newlines won't be missed
10040 (cpp_printf): Increment `print->lineno' when newline is emitted.
10042 * cppmain.c (cb_ident): Likewise.
10043 (cb_define): Likewise.
10044 (cb_undef): Likewise.
10045 (cb_include): Likewise.
10046 (cb_def_pragma): Likewise.
10047 (dump_macros_helper): Likewise.
10049 2000-08-20 Richard Henderson <rth@cygnus.com>
10051 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
10052 assigned before a loop.
10054 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
10055 (ashrsi3, lshrsi3): Likewise.
10057 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10059 * c-lang.c: #include diagnostic.h
10060 (c_tree_printer): New function.
10061 (lang_init): Initialize lang_printer.
10063 * Makefile.in (c-lang.o): Depends on diagnostic.h
10065 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10067 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
10069 * diagnostic.c (default_diagnostic_starter,
10070 default_diagnostic_finalizer): New functions.
10071 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
10072 (pedwarn, pedwarn_with_file_and_line, error,
10073 error_with_file_and_line, fatal, warning,
10074 warning_with_file_and_line): Adjust call to report_diagnostic.
10075 (report_diagnostic): Rework.
10076 (set_diagnostic_context): New function.
10078 * diagnostic.h (struct diagnostic_context): New data structure.
10079 (diagnostic_message, diagnostic_argument_list,
10080 diagnostic_file_location, diagnostic_line_location,
10081 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
10082 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
10083 (set_diagnostic_context): Declare.
10084 (report_diagnostic): Change prototype.
10086 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
10088 * fix-header.c (main): Initialize cpplib.
10090 2000-08-19 Michael Meissner <meissner@redhat.com>
10092 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
10093 instructions in it before checking for indirect jumps.
10095 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
10096 in a indirect jump as a potential for conditional execution.
10098 * d30v.h (d30v_init_expanders): Don't declare here.
10099 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
10102 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
10104 * cpp.texi: Add @section for assertions.
10106 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
10108 * loop.c (scan_loop): Use CONST_CALL_P instead of
10109 checking for REG_LIBCALL / REG_RETVAL.
10111 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
10113 * reload1.c (reload_as_needed): Accept dumpfile argument,
10114 pass it to emit_reload_insns.
10115 (emit_reload_insns): Add new dumpfile argument. If non-null
10116 then dump the reloads for each insn into the dumpfile.
10117 (reload): Pass dumpfile to reload_as_needed.
10119 * invoke.texi: Clean up linux-gnu vs linux comments.
10121 2000-08-19 Richard Henderson <rth@cygnus.com>
10123 * config/ia64/ia64.c (reg_or_5bit_operand): New.
10124 (ia64_depz_field_mask): New.
10125 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
10126 (PREDICATE_CODES): Update.
10127 * config/ia64/ia64.md: Update commentary.
10128 (depz_internal): New.
10129 (ashlsi3): Implement directly.
10130 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
10131 (ashldi3): Use shladd.
10132 * config/ia64/ia64-protos.h: Update.
10134 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10136 * toplev.c (independent_decode_option): Always process -g.
10137 Remove third argument, now unused. Adjust caller to match.
10139 2000-08-18 Richard Henderson <rth@cygnus.com>
10141 * combine.c (make_compound_operation): Break after creating
10144 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10146 * cpplib.c (cpp_register_pragma_space): Just return if the
10147 namespace is already registered.
10149 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
10151 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
10152 constant amount. Do not generate ROTL instruction.
10154 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
10156 * config/sh/elf.h: Do not include sh/sh.h.
10157 * config/sh/rtems.h: Likewise.
10158 * config/sh/rtemself.h: Do not include sh/elf.h.
10159 * configure.in: Get them included with `tm_file's.
10160 * configure: Rebuilt.
10162 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
10163 * config/sh/sh.c (fpscr_set_from_mem): Use them.
10165 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10167 * stor-layout.c (compute_record_type): Don't use mode of single
10168 field as mode of record if not integer mode of same type.
10170 * regmove.c (perhaps_ends_bb_p): New function.
10171 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
10172 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
10173 (fixup_match_1): Likewise.
10174 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
10175 avoid signed/unsigned warnings.
10177 * function.c (fixup_var_refs_1, case MEM): Update CODE after
10180 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
10182 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
10183 (_cpp_trigraph_map): Declaration moved from cpplex.c
10185 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
10186 instead of 256. Use consistent test for designated initializers.
10187 (cpp_init): Initialize trigraph_map.
10188 (initialize_standard_includes, parse_option): Use memcmp
10189 instead of strncmp.
10191 * cpplex.c (init_trigraph_map): Remove.
10192 (trigraph_ok, trigraph_replace, lex_line): Refer to
10195 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
10196 (do_unassert): Remove unused "next" local.
10198 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
10200 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
10202 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
10205 2000-08-17 Richard Henderson <rth@cygnus.com>
10207 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
10208 the first insn in a sequence.
10210 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
10212 * alias.c (true_dependence, write_dependence_p): A read
10213 involving a label_ref or the constant pool doesn't create
10216 * rtl.h (unchanging): Improve documentation.
10218 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
10220 * cse.c (insert_regs): Remove unused `regno'.
10222 2000-08-17 Neil Booth <NeilB@earthling.net>
10224 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
10225 remove_dup_dirs. If qtail == brack, remove brack not
10227 (remove_dup_dir, remove_dup_dirs): New functions.
10229 2000-08-17 Neil Booth <NeilB@earthling.net>
10231 * cppinit.c (cpp_cleanup): Free include dir chains.
10232 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
10233 (do_unassert): Free the assert with _cpp_free_definition.
10234 * cppmacro.c (_cpp_free_definition): Free memory allocated for
10235 assertions. Make the node a T_VOID node.
10237 2000-08-17 Neil Booth <NeilB@earthling.net>
10239 * cppinit.c (path_include, append_include_chain):
10240 Remove 2nd parameter (struct cpp_pending *).
10241 (path_include, initialize_standard_includes, cpp_handle_option):
10242 Update callers appropriately.
10243 (cpp_handle_option): Use pend.
10245 2000-08-17 Neil Booth <NeilB@earthling.net>
10247 * cppinit.c (sort_options): Remove, put functionality in
10250 (initialize_builtins): Free memory.
10251 (cpp_start_read): Move init_IStable to cpp_init.
10253 * cpplib.h (cpp_init): New prototype.
10254 * cppmain.c (main): Call cpp_init.
10256 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
10258 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
10259 (rtx_unstable_p, rtx_varies_p): Process vectors.
10261 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10263 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
10264 references to GLOBAL symbols. Use LOCAL where appropriate.
10266 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10268 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
10269 use t-aix41 when host == target.
10271 2000-08-16 Richard Henderson <rth@cygnus.com>
10273 * reload.c (push_secondary_reload): Revert last change.
10274 If we use a reload_in/out pattern, make the when the same
10275 as the primary reload.
10276 (find_reloads): Likewise.
10278 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
10280 * configure.in (libstdcxx-v3): Fix test.
10281 * configure: Regenerate.
10283 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10285 * calls.c (calls_function_1, expand_call): Only test
10286 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10287 * function.c (thread_prologue_and_epilogue_insns): Likewise.
10289 2000-08-16 Richard Henderson <rth@cygnus.com>
10291 * combine.c (simplify_shift_const): Revert previous two
10292 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
10293 before the main loop.
10295 2000-08-15 Richard Henderson <rth@cygnus.com>
10297 * combine.c (simplify_shift_const): Bound shift count when
10300 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10302 * calls.c (ECF_SP_DEPRESSED): New macro.
10303 (calls_function_1): Treat calling sp-depressed function as alloca.
10304 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10305 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10306 If sp-depressed, ensure block saves and restores SP.
10307 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10309 * function.c (keep_stack_depressed): New function.
10310 (thread_prologue_and_epilogue_insns): Call it.
10311 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10312 to print DECL_OFFSET_ALIGN.
10313 Print no-force-blk and transparent-union flags properly.
10314 * stmt.c (expand_goto_internal): Don't restore stack if last block
10315 and function returns with sp depressed.
10316 (fixup_gotos): Likewise.
10317 (save_stack_pointer): New function, from code in expand_decl.
10318 (expand_decl): Call new function.
10319 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10320 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10321 (save_stack_pointer): New declaration.
10323 * diagnostic.c (fatal_function): New variable.
10324 (set_fatal_function): New function.
10326 * diagnostic.h (set_fatal_function): New declaration.
10328 2000-08-15 William Cohen <wcohen@redhat.com>
10330 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10331 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10332 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10334 2000-08-15 Richard Henderson <rth@cygnus.com>
10336 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10338 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10340 * arm.c (arm_function_ok_for_sibcall): New function.
10341 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10342 * arm.md (call expanders): Don't check here for calls that can't
10345 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10347 * arm.md (splits generating cond_exec): Disable.
10349 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10351 * arm/linux-elf.h (text_section): Delete declaration.
10353 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10355 ARM support for unordered FP operations.
10356 * arm-protos.h (arm_comparison_operator): Declare.
10357 * arm.c (arm_comparison_operator): New function.
10358 (arm_select_cc_mode): Add unordered comparison codes.
10359 (get_arm_condition_code): Likewise.
10360 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10361 be done in one insn.
10362 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10363 * arm.md (all uses of comparison_operator): Replace with
10364 arm_comparison_operator.
10365 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10367 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10370 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10372 * gthr-posix.h: Conditionally include <sched.h>; include
10373 <config.h> from libobjc/.
10375 2000-08-14 Richard Henderson <rth@cygnus.com>
10377 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10380 2000-08-14 Richard Henderson <rth@cygnus.com>
10382 * configure.in (ia64-*): Set float_format for i386 long double.
10384 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10385 as we would for i386 XFmode.
10386 (PUT_REAL): Likewise.
10387 (endian, ereal_atof, real_value_truncate): Likewise.
10388 (ereal_isneg, toe64, etens, make_nan): Likewise.
10389 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10391 * config/ia64/ia64-protos.h: Update.
10392 * config/ia64/ia64.c (general_tfmode_operand): New.
10393 (destination_tfmode_operand): New.
10394 (tfreg_or_fp01_operand): New.
10395 (ia64_split_timode): New.
10396 (spill_tfmode_operand): New.
10397 (ia64_expand_prologue): Use TFmode not XFmode.
10398 (ia64_expand_epilogue): Likewise.
10399 (ia64_function_arg): Likewise.
10400 (ia64_function_arg_advance): Likewise.
10401 (ia64_return_in_memory): Likewise.
10402 (ia64_function_value): Likewise.
10403 (ia64_print_operand): Likewise.
10404 (ia64_register_move_cost): Set GR<->FR to 5.
10405 (ia64_secondary_reload_class): Get GR for TImode memory op.
10406 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10407 (ROUND_TYPE_ALIGN): Remove.
10408 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10409 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10410 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10411 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10412 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10413 (CLASS_MAX_NREGS): Likewise.
10414 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10415 (PREDICATE_CODES): Update.
10416 * config/ia64/ia64.md (movti): New.
10417 (movti_internal): Use a clobber for memory alternatives.
10418 (reload_inti, reload_outti): New.
10419 (movsfcc_astep): Predicate properly.
10420 (movdfcc_astep): Likewise.
10423 (extendsftf2, extenddftf2): New.
10424 (trunctfsf2, trunctfdf2): New.
10425 (floatditf2, fix_trunctfdi2): New.
10426 (floatunsditf2, fixuns_trunctfdi2): New.
10427 (addtf3, subtf3, multf3, abstf2): New.
10428 (negtf2, nabstf2, mintf3, maxtf3): New.
10429 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10431 (fr_spill): Use TFmode, not XFmode.
10432 (fr_restore): Likewise.
10433 * config/ia64/lib1funcs.asm (__divtf3): New.
10434 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10436 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10438 * cse.c (fold_rtx): Avoid empty body in an if-statement.
10440 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
10441 `U' integer constant suffix.
10443 * dwarf2out.c (add_subscript_info): Avoid empty body in an
10446 * sparc/sol2.h (__enable_execute_stack): Prototype.
10448 2000-08-14 David Edelsohn <edelsohn@gnu.org>
10450 * collect2.c: Remove use of AIX import file.
10452 * longlong.h: Test ARCH_PWR not ARCH_POWER.
10454 * rs6000.c (print_operand, case 'E'): Add else.
10456 2000-08-14 Richard Henderson <rth@cygnus.com>
10458 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
10459 (movdi_symbolic): New.
10461 2000-08-14 Jim Wilson <wilson@cygnus.com>
10463 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10464 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
10465 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10468 2000-08-14 Richard Henderson <rth@cygnus.com>
10470 * expr.c (emit_group_load): Don't force constants into registers.
10471 Special case source already in the correct mode.
10473 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
10475 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
10476 * fixinc/inclhack.def: Likewise.
10477 * fixinc/mkfixinc.sh: Likewise.
10478 * configure: Regenerate.
10479 * fixinc/fixincl.x: Regenerate.
10480 * install.texi: Document equivalence of linux and linux-gnu.
10482 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10484 * cse.c (insert_regs): Also in REG case: When finding an invalid
10485 value, and we make a new quantity, make sure that it won't be
10486 mistaken by for a valid one by mention_regs.
10488 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
10490 * h8300.md: Remove obsolete peepholes.
10492 2000-08-13 Kazu Hirata <kazu@hxi.com>
10494 * invoke.texi (H8/300 Options): Fix typos.
10495 * config/h8300.c: Fix formatting.
10496 * config/h8300.h: Fix comment typos.
10497 (OVERRIDE_OPTIONS): Fix formatting.
10499 * function.c: Fix formatting.
10501 * cse.c: Fix formatting.
10503 2000-08-13 Geoff Keating <geoffk@cygnus.com>
10505 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
10506 (attempt_auto_inc): Suppress parentheses warning.
10507 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
10508 * loop.c (load_mems): Remove `u' suffix in two places.
10509 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
10511 * config/rs6000/rs6000.h: Likewise.
10512 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
10513 __eabi dummy routine.
10514 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
10515 variable `buf_ptr'.
10517 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
10518 not put stuff in .sdata unnecessarily.
10519 (rs6000_unique_section): New function.
10520 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
10521 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
10523 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
10524 arrays in C99. Don't try to look at DECL_REGISTER of a
10525 COMPONENT_REF. Don't complain twice about the same error.
10527 * fixinc/inclhack.def (aix_pthread): New fix.
10528 (aix_sysmachine): New fix.
10529 * fixinc/fixincl.x: Regenerate.
10531 * expr.c (expand_expr): Call convert_modes when turning a large
10532 multiply into a small one.
10534 2000-08-12 Geoff Keating <geoffk@cygnus.com>
10536 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
10537 the tree structure an exponent rather than an explicit alignment
10538 so it doesn't overflow.
10539 (SET_DECL_OFFSET_ALIGN): New macro.
10540 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
10541 rather than DECL_OFFSET_ALIGN.
10542 (place_field): Likewise.
10543 * expmed.c (store_bit_field): Abort on align==0 to avoid
10544 antisocial machine behaviour.
10546 2000-08-12 Richard Henderson <rth@cygnus.com>
10548 * sibcall.c (uses_addressof): Accept both addressof and
10549 current_function_internal_arg_pointer inside a mem.
10550 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
10551 if current_function_uses_addressof.
10552 * stmt.c (expand_return): Kill tail recursion and HAVE_return
10555 2000-08-11 Richard Henderson <rth@cygnus.com>
10557 * config/ia64/ia64.md (addsi3): Remove expander.
10558 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
10559 (*addsi3_shladd): New.
10561 2000-08-11 Richard Henderson <rth@cygnus.com>
10563 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10564 (do_restore): Likewise.
10565 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
10566 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
10567 (rtx_needs_barrier): Track actual bit manipulation for
10568 ar.unat moves, gr_spill, and gr_restore.
10569 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
10570 (process_set): Don't handle varargs spills.
10571 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
10572 .mem.offset here instead of in process_set.
10573 (gr_restore): Likewise.
10575 2000-08-11 Richard Henderson <rth@cygnus.com>
10577 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
10579 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10581 * gcc.texi (The Configuration File): Document
10582 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
10583 UPDATE_PATH_HOST_CANONICALIZATION.
10585 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10587 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
10588 unprototyped function pointer casts on integer constants.
10590 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
10592 * fixproto: Recognize DOS paths with drive letters as absolute paths.
10594 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
10596 * extend.texi (Volatiles): Fix typos.
10598 2000-08-11 Kazu Hirata <kazu@hxi.com>
10600 * flow.c: Fix formatting.
10602 2000-08-11 Richard Henderson <rth@cygnus.com>
10604 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
10605 pattern, always allocate a tertiary scratch register.
10607 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
10608 (reload_inhi): Likewise.
10610 2000-08-11 Richard Henderson <rth@cygnus.com>
10612 * function.c (put_reg_into_stack): Allow type to be NULL.
10613 (schedule_fixup_var_refs): Likewise.
10614 (gen_mem_addressof): Allow decl to be NULL.
10615 (put_addressof_into_stack): Likewise.
10617 * flow.c (merge_blocks_nomove): Be more careful about
10618 locating the beginning of block A.
10620 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
10622 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10627 * config.in: Reverted the check for <sched.h>.
10629 2000-08-10 Chris Demetriou <cgd@sibyte.com>
10631 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
10632 macros define the name of CTOR and DTOR sections.
10633 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10634 DTOR_LIST_END): Change to use attributes to specify
10636 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
10637 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10638 DTOR_LIST_END): Same as in mips/elf.h.
10640 2000-08-10 Drew Moseley <dmoseley@redhat.com>
10642 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
10643 disabling just crt0.o.
10645 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
10647 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
10648 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
10649 (EXTRA_SPECS): Add them.
10650 * arm/lib1funcs.asm: Support builds for interworking.
10651 Use macros to eliminate duplicated pieces of code.
10653 2000-08-10 Kazu Hirata <kazu@hxi.com>
10655 * h8300.c (expand_a_rotate): New.
10656 (emit_a_rotate): Likewise.
10657 (h8300_adjust_insn_length): Add support for the rotate insns.
10658 * h8300.md (rotlqi3): New.
10659 (*rotlqi3_1): Likewise.
10660 (rotlhi3): Likewise.
10661 (*rotlhi3_1): Likewise.
10662 (rotlhi3): Likewise.
10663 (*rotlhi3_1): Likewise.
10664 * h8300-proto.h: Add prototypes for expand_a_rotate and
10667 * h8300.c: Fix comment typos.
10668 (dosize): Declare the variable amount as unsigned.
10669 (get_shift_alg): Fix a comparison between signed and unsigned.
10670 (emit_a_shift): Likewise.
10671 (h8300_adjust_insn_length): Simplify the code.
10673 * c-decl.c: Fix formatting.
10675 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10677 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
10678 warning about non-traditional numeric constant suffixes.
10680 * cppexp.c (parse_number): Likewise.
10682 * invoke.texi: (-Wtraditional): Document new behavior.
10684 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10686 * gthr-posix.h: Include auto-host.h. Conditionally include
10688 * configure.in: Check for the <sched.h> header file.
10689 * config.in: Added define for HAVE_SCHED_H.
10691 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10693 * c-typeck.c (process_init_element): For -Wtraditional, warn about
10694 initialization of unions.
10696 * invoke.texi (-Wtraditional): Document new behavior.
10698 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
10700 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
10701 instead of extra_c_flags.
10702 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
10703 * configure: Regenerate.
10704 * config.in: Regenerate.
10706 * cpperror.c (cpp_type2name): New function.
10707 * cpplex.c (lex_line): If we issued an error for an invalid
10708 preprocessing directive, discard that logical line.
10709 * cpplib.c (do_line): Call a hook function if the current file
10710 is renamed by #line.
10711 (do_ident): Pass the contents of the string, not the entire
10712 token, to the callback function.
10713 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
10714 (cb.rename_file): New hook function.
10715 (cb.ident): Adjust prototype.
10716 (cpp_type2name): Prototype.
10717 * cppmacro.c (dump_macro_args): Correct precedence lossage.
10719 * cppmain.c (cb_ident): Update for changed interface.
10720 (cb_rename_file): New function.
10721 (main): Set rename callback.
10723 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
10725 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
10726 multi-word registers.
10728 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10730 * c-common.c (combine_strings, check_format_info): Refer to ISO C
10731 or ISO C89 instead of ANSI C.
10732 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
10733 build_enumerator, do_case): Likewise.
10734 * c-lex.c (parse_float, yylex): Likewise.
10735 * c-parse.in: Likewise.
10736 * c-typeck.c (common_type, build_array_ref, build_binary_op,
10737 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
10738 build_c_cast, convert_for_assignment, set_init_index,
10739 set_init_label, c_expand_start_case): Likewise.
10740 * toplev.c (documented_lang_options, display_help): Likewise.
10742 2000-08-08 Kazu Hirata <kazu@hxi.com>
10744 * h8300.c: Fix formatting.
10745 * h8300.h: Likewise.
10746 * h8300.md: Likewise.
10747 (movsi_h8300hs): Fix formatting of the resulting assembly code.
10749 * reload1.c: Fix formatting.
10751 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
10753 * alpha/alpha.c (alpha_emit_xfloating_libcall):
10754 Use GEN_CALL_VALUE define.
10755 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
10756 * clipper/clipper.md (untyped_call): Likewise.
10757 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
10758 * fx80/fx80.md (untyped_call): Likewise.
10759 * mips/mips.md (untyped_call): Likewise.
10760 * ns32k/ns32k.md (untyped_call): Likewise.
10761 * pa/pa.md (untyped_call): Likewise.
10762 * romp/romp.md (untyped_call): Likewise.
10763 * sparc/sparc.md (untyped_call): Likewise.
10765 2000-08-08 Jason Eckhardt <jle@cygnus.com>
10767 * config/i860/i860.c (singlemove_string): Do not generate assembler
10768 pseudo instructions that must be expanded (that is, with signed
10769 constants larger than 16 bits).
10771 2000-08-08 Richard Henderson <rth@cygnus.com>
10773 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
10774 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
10775 (init_propagate_block_info): Don't kill memory stores at -O0.
10776 (mark_set_1, mark_used_regs): Likewise.
10778 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10780 * rs6000.c (optimization_options): Decorate 'level' as
10782 (mask64_operand): Remove sign-extend thinko.
10783 (rldic_operand): New function.
10784 (load_multiple_operation): regno's are unsigned ints.
10785 (store_multiple_operation): Likewise.
10786 (lmw_operation): Likewise.
10787 (stmw_operation): Likewise.
10788 (includes_lshift_p): shift_mask is unsigned int.
10789 (includes_lshift64_p): New function.
10790 (addrs_ok_for_quad_peep): unsigned int reg1.
10791 (print_operand): Consistently add "else" after
10792 output_operand_lossage().
10793 (print_operand, case 'b'): Fold in case 'W'.
10794 (print_operand, case 'W'): Print rldic MB value.
10795 (output_epilogue): Update Objective-C language string.
10796 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
10797 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
10798 * rs6000.md (ashldi3): Add rldic instruction.
10799 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
10800 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
10803 2000-08-08 Richard Henderson <rth@cygnus.com>
10805 * config/ia64/ia64-protos.h: Remove duplicates. Update
10806 for massive code rearrangements.
10807 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
10808 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
10809 (ia64_local_regs, ia64_need_regstk): Remove.
10810 (ar_ccv_reg_operand): New.
10811 (ia64_gp_save_reg): New.
10812 (struct ia64_frame_info): Combine most of the size elements;
10813 add new gr save elements.
10814 (find_gr_spill): New.
10815 (next_scratch_gr_reg): New.
10816 (mark_reg_gr_used_mask): New.
10817 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
10818 to GR backing store regs when possible.
10819 (ia64_initial_elimination_offset): New.
10820 (ia64_rap_fp_offset): Remove.
10821 (save_restore_insns): Remove.
10822 (setup_spill_pointers): New.
10823 (finish_spill_pointers): New.
10824 (spill_restore_mem): New.
10825 (do_spill, do_restore): New.
10826 (ia64_expand_prologue): Rewrite to use them.
10827 (ia64_expand_epilogue): Likewise.
10828 (ia64_direct_return): Update for current_frame_info changes.
10829 (ia64_function_prologue): Simplify .prologue emission. Emit
10830 .spill when needed.
10831 (ia64_setup_incoming_varargs): Don't ever emit rtl.
10832 (ia64_dbx_register_number): New.
10833 (ia64_initialize_trampoline): New.
10834 (ia64_secondary_reload_class): Request GR_REGS for integer
10835 arithmetic destined for FR_REGS.
10836 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
10837 (ia64_mark_machine_status): Mark ia64_gp_save.
10838 (rws_access_regno): Rename from rws_access_reg; don't treat
10839 predicates specially.
10840 (rws_access_reg): New. Update all callers.
10841 (rtx_needs_barrier): Remove dead unspecs.
10842 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
10843 (ia64_encode_section_info): Silence signed/unsigned warnings.
10844 (spill_offset, sp_offset, spill_offset_emitted): Remove.
10845 (tmp_reg, tmp_saved): Remove.
10846 (process_set): Rewrite to expect complicated bits via
10847 REG_FRAME_RELATED_EXPR.
10848 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
10849 in the use of ar.ccv; never set RTX_UNCHANGING_P.
10850 (ia64_expand_op_and_fetch): Likewise.
10851 (ia64_expand_compare_and_swap): Likewise.
10852 (ia64_expand_builtin): Likewise.
10853 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
10854 (FIRST_PSEUDO_REGISTER): Update.
10855 (AR_M_REGNO_P): Update.
10856 (FIXED_REGS): Don't mark three local registers as used.
10857 (EXTRA_CC_MODES): New.
10858 (SELECT_CC_MODE): New.
10859 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
10860 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
10861 (FRAME_GROWS_DOWNWARD): Unset.
10862 (STARTING_FRAME_OFFSET): Zero.
10863 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
10864 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
10865 (HARD_FRAME_POINTER_REGNUM): New.
10866 (CAN_DEBUG_WITHOUT_FP): Define.
10867 (TRAMPOLINE_TEMPLATE): Remove.
10868 (TRAMPOLINE_SIZE): Lower to 32.
10869 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10870 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10871 (PREDICATE_CODES): Update.
10872 (struct machine_function): Add ia64_gp_save.
10873 * config/ia64/ia64.md: Purge unused unspecs.
10874 (movsi patterns): Allow moves to/from AR_M_REGS.
10875 (movdi patterns): Allow moves to/from p0.
10876 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10877 (gr_spill, gr_restore): Indicate ar.unat read/written.
10878 (nonlocal_goto): Don't pass old frame_pointer.
10879 (nonlocal_goto_receiver): Remove.
10880 (exception_receiver): New.
10881 (builtin_setjmp_setup): New.
10882 (builtin_setjmp_receiver): New.
10883 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10884 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10885 (__ia64_restore_stack_nonlocal): Likewise.
10886 (__ia64_trampoline): New.
10887 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10889 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10891 2000-08-08 Richard Henderson <rth@cygnus.com>
10893 * frame.h (ia64_frame_state): Add my_psp.
10894 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10895 (__throw): Pass it in. Don't clobber r7.
10896 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10897 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10898 and nothing to do with sp.
10899 (normalize_reg_loc): Use frame->my_psp.
10900 (frame_translate): Handle frame-pointer-less functions. Set
10901 spill_base correctly, in absence of being told.
10902 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10903 (__ia64_backtrace_helper): New sp argument. Use
10904 builtin_return_address instead of label addresses.
10905 (print_record) [mem_stack_v]: No size member.
10907 2000-08-08 Richard Henderson <rth@cygnus.com>
10909 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
10911 2000-08-08 Richard Henderson <rth@cygnus.com>
10913 * tm.texi (LOCAL_REGNO): Document.
10914 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10915 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10916 * reload1.c (reload): Likewise when considering nonlocal labels.
10918 * config/ia64/ia64.h (LOCAL_REGNO): New.
10919 * config/sparc/sparc.h (LOCAL_REGNO): New.
10921 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10923 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10925 2000-08-07 Nick Clifton <nickc@redhat.com>
10927 * config/mips/mips.c: Fix compile time warning messages.
10928 * config/mips/mips-protos.h: Add prototype for equality_op.
10930 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10932 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10934 * mn10300.md: Use nonimmediate_operand instead of general_operand
10935 on output operands.
10937 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10939 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10941 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10942 * sh.c (expand_block_move): Break long lines.
10943 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10944 * sh.md (mulsi3): Likewise.
10945 (movdi): Adjust spacing.
10947 2000-08-07 Richard Henderson <rth@cygnus.com>
10949 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10950 * expr.c (emit_group_store): Don't set it.
10952 2000-08-07 Kazu Hirata <kazu@hxi.com>
10954 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10955 duplicate entries for 'w' and 'z'.
10957 * flow.c: Fix a comment typo.
10959 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10961 * c-parse.in: Changed the language string for Objective-C to "GNU
10964 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10966 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10967 to improve the Posix thread support for Objective-C.
10969 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10971 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10972 CTI_UNSIGNED_PTRDIFF_TYPE.
10973 (signed_size_type_node): Define.
10974 (unsigned_ptrdiff_type_node): Define.
10975 * c-decl.c (init_decl_processing): Create the
10976 signed_size_type_node and unsigned_ptrdiff_type_node types.
10977 * c-common.c (T_SC): Define.
10980 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10981 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10983 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10984 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10985 flags for %c, %s and %[.
10986 (check_format_info): Only allow leniency for signedness of targets
10987 of character pointers (when pedantic) for formats flagged with
10988 "c", so for strings but not for %hh formats. When pedantic, don't
10989 allow character pointers to substitute for void pointers if a
10990 second level of indirection is present.
10992 2000-08-06 Kazu Hirata <kazu@hxi.com>
10994 * invoke.texi (Options for Debugging Your Program or GCC): Update
10995 the names of dump files.
10997 * h8300.c (dosize): Rearrange code for conciseness.
10998 (split_adds_subs): Likewise.
11000 * loop.c: Fix formatting.
11002 * dwarf2out.c: Fix formatting.
11004 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
11006 * expr.c: Fix formatting.
11008 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11010 * rs6000.c (rs6000_maybe_dead): Prototype.
11012 2000-08-06 Richard Henderson <rth@cygnus.com>
11014 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
11015 HAVE_nonlocal_goto as well.
11016 * config/i960/i960.md (nonlocal_goto): Don't do it here.
11017 * config/pj/pj.md (nonlocal_goto): Likewise.
11019 2000-08-07 Michael Hayes <mhayes@cygnus.com>
11021 * loop.c (try_swap_copy_prop): New function.
11022 (load_mems): Rename copies to load_copies and add new regset
11023 store_copies. Check for sets of shadow registers and mark
11024 in store_copies. Call try_swap_copy_prop for registers
11025 marked in store_copies.
11027 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11029 * objc/objc-act.c: New command line option -fconstant-string-class
11030 to allow specifying a user defined constant string class,
11031 different from NXConstantString.
11033 * toplev.c: Moved the Objective-C specific options to
11034 objc/lang-options.h.
11036 * objc/lang-options.h: Moved the Objective-C specific options from
11037 toplev.c. Added -fconstant-string-class.
11039 2000-08-05 Chris Demetriou <cgd@sibyte.com>
11041 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11042 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
11043 __CTOR_LIST__ from func_ptr array to just func_ptr, to
11044 avoid extra alignment imposed on arrays.
11045 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11046 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
11048 * mips.h: Clean up comments and spacing near MASKs.
11049 (TARGET_UNIX_ASM): Delete.
11050 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
11051 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
11054 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
11056 * c-common.c (print_char_table): Add entries for the X/Open '
11057 format flag (print decimals with locale's thousands grouping
11058 character). Make %C expect wint_t.
11059 (check_format_info): If pedantic, warn when the %n$ operand
11060 number form is used. Allow for the ' flag; warn about it if
11063 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
11065 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
11066 type is a float mode, cfun->decl's return type is not, and
11067 TARGET_FLOAT_RETURNS_IN_80387.
11069 2000-08-04 Andreas Schwab <schwab@suse.de>
11071 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
11072 token list, which are always `#' and `pragma'.
11074 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
11076 * tree.c (tree_expr_nonnegative_p): Move to...
11077 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
11078 (rtl_expr_nonnegative_p): New.
11079 * tree.h: Add prototype for rtl_expr_nonnegative_p.
11081 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
11082 CONST_DOUBLE_CHAIN: Move to...
11083 * rtl.h: ...here. Use XCINT/XCEXP.
11085 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
11086 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
11087 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
11090 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
11092 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11094 * config/c4x/c4x.md (return_indirect_internal): New.
11095 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
11097 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11099 * c-common.c (time_char_table): Mark up formats added in C99 and
11100 make other corrections. %D and %g were added in C99. %Og is an
11101 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
11102 C99. %e was added in C99. %Oj is an extension. %G and %z are in
11103 C99 rather than GNU extensions, but %OG and %Oz are extensions.
11104 %h was added in C99. %C was added in C99. %OY and %OC are
11105 extensions. Add the C99 format %F.
11106 (check_format_info): If pedantic and not in C99 mode, warn for C99
11107 formats, %E and %O.
11109 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11111 * function.c (schedule_fixup_var_refs): New function, broken out
11112 of put_reg_into_stack.
11113 (put_reg_into_stack): Use it.
11114 (put_var_into_stack): In CONCAT case, fixup up references for
11115 components only after fixing up references to the whole concat.
11117 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
11119 * alias.c (mark_constant_function): Use INSN_P.
11120 (init_alias_analysis): Likewise.
11121 * combine.c (combine_instructions): Use INSN_P.
11122 (can_combine_p): Likewise.
11123 (try_combine): Likewise.
11124 (distribute_notes): Likewise.
11125 (distribute_links): Likewise.
11126 * cse.c (cse_around_loop): Use INSN_P.
11127 (invalidate_skipped_block): Likewise.
11128 (cse_set_around_loop): Likewise.
11129 (cse_end_of_basic_block): Likewise.
11130 (delete_trivially_dead_insns): Likewise.
11131 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
11132 (unshare_all_rtl_1): Likewise.
11133 (next_cc0_user): Likewise.
11134 (try_split make_insn_raw): Likewise.
11135 (remove_unnecessary_notes): Likewise.
11136 * final.c (shorten_branches): Use INSN_P.
11137 (leaf_renumber_regs): Likewise.
11138 (leaf_renumber_regs_insn): Likewise.
11139 * flow.c (find_label_refs): Use INSN_P.
11140 (verify_wide_reg): Likewise.
11141 (notice_stack_pointer_modification): Likewise.
11142 (count_or_remove_death_notes): Likewise.
11143 (verify_flow_info): Likewise.
11144 (clear_log_links): Likewise.
11145 * function.c (fixup_var_refs_insns): Use INSN_P.
11146 (compute_insns_for_mem): Likewise.
11147 * gcse.c (alloc_gcse_mem): Use INSN_P.
11148 (compute_sets): Likewise.
11149 (compute_hash_table): Likewise.
11150 (classic_gcse): Likewise.
11152 (insert_insn_end_bb): Likewise.
11153 (delete_null_pointer_checks_1): Likewise.
11154 * global.c (expand_preferences): Use INSN_P.
11155 (build_insn_chain): Likewise.
11156 * graph.c (node_data): Use INSN_P.
11157 * haifa-sched.c (priority): Use INSN_P.
11158 (rm_line_notes): Likewise.
11159 (rm_other_notes): Likewise.
11160 (find_insn_reg_weight): Likewise.
11161 (init_target_units): Likewise.
11162 (schedule_block): Likewise.
11163 (compute_block_forward_dependences): Likewise.
11164 (debug_dependencies): Likewise.
11165 (set_priorities): Likewise.
11166 * integrate.c (function_cannot_inline_p): Use INSN_P.
11167 (save_parm_insns): Likewise.
11168 (copy_insn_list): Likewise.
11169 * jump.c (mark_all_labels): Use INSN_P.
11170 (never_reached_warning): Likewise.
11171 * lcm.c (optimize_mode_switching): Use INSN_P.
11172 * local-alloc.c (validate_equiv_mem): Use INSN_P.
11173 (memref_used_between_p): Likewise.
11174 (update_equiv_regs): Likewise.
11175 (block_alloc): Likewise.
11176 (no_conflict_p): Likewise.
11177 * loop.c (scan_loop): Use INSN_P.
11178 (find_and_verify_loops): Likewise.
11179 (count_loop_regs_set): Likewise.
11180 (loop_reg_used_before_p): Likewise.
11181 (strength_reduce): Likewise.
11182 (recombine_givs): Likewise.
11183 (check_dbra_loop): Likewise.
11184 (load_mems): Likewise.
11185 (try_copy_prop): Likewise.
11186 * print-rtl.c (print_rtx): Use INSN_P.
11187 * recog.c (find_single_use): Use INSN_P.
11188 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
11189 (next_flags_user): Likewise.
11190 (swap_rtx_condition): Likewise.
11191 * regmove.c (mark_flags_life_zones): Use INSN_P.
11192 (optimize_reg_copy_1): Likewise.
11193 (optimize_reg_copy_2): Likewise.
11194 (optimize_reg_copy_3): Likewise.
11195 (reg_is_remote_constant_p): Likewise.
11196 (fixup_match_2): Likewise.
11197 (regmove_optimize): Likewise.
11198 (fixup_match_1): Likewise.
11199 * regrename.c (build_def_use): Use INSN_P.
11200 (replace_reg_in_block): Likewise.
11201 (consider_use): Likewise.
11202 * reload.c (find_equiv_reg): Use INSN_P.
11203 * reload1.c (reload): Use INSN_P.
11204 (maybe_fix_stack_asms): Likewise.
11205 (calculate_needs_all_insns): Likewise.
11206 (reload_as_needed): Likewise.
11207 (emit_output_reload_insns): Likewise.
11208 (delete_address_reloads_1): Likewise.
11209 (reload_cse_regs_1): Likewise.
11210 (reload_combine): Likewise.
11211 (reload_cse_move2add): Likewise.
11212 * reorg.c (redundant_insn): Use INSN_P.
11213 (dbr_schedule): Likewise.
11214 * resource.c (find_dead_or_set_registers): Use INSN_P.
11215 (mark_target_live_regs): Likewise.
11216 * rtlanal.c (reg_used_between_p): Use INSN_P.
11217 (reg_referenced_between_p): Likewise.
11218 (reg_set_between_p): Likewise.
11219 (reg_set_p): Likewise.
11220 (single_set): Likewise.
11221 (multiple_sets): Likewise.
11222 (find_last_value): Likewise.
11223 (reg_set_last): Likewise.
11224 (find_reg_note): Likewise.
11225 (find_regno_note): Likewise.
11226 * sibcall.c (sequence_uses_addressof): Use INSN_P.
11227 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
11228 * ssa.c (find_evaluations): Use INSN_P.
11229 (rename_block): Likewise.
11230 (rename_equivalent_regs): Likewise.
11231 * unroll.c (loop_find_equiv_value): Use INSN_P.
11232 (set_dominates_use): Likewise.
11233 * varasm.c (mark_constant_pool): Use INSN_P.
11234 (mark_constants): Likewise.
11235 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
11236 (alphaev4_next_group): Likewise.
11237 (alphaev5_next_group): Likewise.
11238 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
11239 (c4x_rptb_rpts_p): Likewise.
11240 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
11241 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
11242 (rs6000_adjust_priority): Likewise.
11243 * config/sh/sh.c (sh_loop_align): Use INSN_P.
11244 (machine_dependent_reorg): Likewise.
11245 (split_branches): Likewise.
11246 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
11248 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
11250 * combine.c (recog_for_combine): Remove the old notes
11251 prior to attempting to recognize the new pattern.
11252 (distribute_notes): Ignore REG_NONNEG notes.
11254 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
11256 * varasm.c (output_constructor): Add .align 0 for packed vars.
11258 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11260 * configure.in: Use default thread_file even when enable_threads is
11261 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
11262 * configure: Rebuilt.
11264 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
11266 2000-08-04 Donn Terry (donnte@microsoft.com)
11268 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
11270 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11272 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
11273 Delete code that conditionally modifies 'version'.
11274 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
11275 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
11276 * gcc.c (main): Use it.
11277 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
11278 * prefix.c (update_path): Use it.
11279 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
11280 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
11281 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
11283 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
11284 (SUBTARGET_SWITCHES): Adjust.
11285 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
11287 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
11289 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11291 * c-common.h (flag_isoc94): Declare.
11292 * c-decl.c (flag_isoc94): Define.
11293 (c_decode_option): Set flag_isoc94 as appropriate.
11294 * c-common.c (T_PD, T_IM, T_UIM): Define.
11295 (format_char_info): Add tlen and jlen.
11296 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11298 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11300 (time_char_table): Add NULL entries for %t and %j.
11301 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11302 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11303 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11304 precision. Allow precision argument to be unsigned int. If
11305 pedantic, warn for %p passed an argument not a pointer to possibly
11306 qualified void or a possibly qualified character type, and for
11307 pointer targets of the wrong sign, except for character pointers.
11309 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11311 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11312 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11313 (wint_type_node): Define.
11314 * c-decl.c (WINT_TYPE): Define.
11315 (init_decl_processing): Create the wint_type_node type.
11316 * c-common.c (T_WI): Define.
11317 (print_char_table): Use T_WI for %lc format.
11319 2000-08-04 Bruce Korb <bkorb@gnu.org>
11321 * fixinc/: Verified that the MSDOS patch does not break
11322 the UNIX functionality and applied the next three patches
11325 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11327 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11328 output file with the temporary one by appending ".X" to generate
11329 the temporary fuile's name. If the output file already has an
11330 extension, replace it with ".X".
11332 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11333 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11334 reallocate the command buffer while copying the command-line
11335 argument. Redirect the output directly to the temporary file,
11336 instead of going through another temporary file.
11337 (process): Close the temporary file before unlinking it.
11338 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11339 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11340 (run_compiles): Pass p_fixd argument to machine_matches, as it
11343 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11344 environment, assume there are no symlinks in the include
11345 directory. When cleaning up the DONE files, look for them
11346 case-insensitively. Don't try to remove symlinks if they aren't
11349 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11350 all callers changed. Declare pz "const char *", to avoid compiler
11353 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11354 Change prototype of make_raw_shell_str.
11356 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11358 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11359 (initialize) [__MSDOS__]: Use tempnam.
11360 (initialize): Don't use SIGPIPE if it is not defined.
11362 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11365 2000-07-25 Bruce Korb <bkorb@gnu.org>
11367 * fixinc/fix*.[ch]: substantially reworked to make it possible
11368 to run this program without using fork(2) or pipe(2) (i.e. in
11369 a DOS environment).
11371 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11373 * cppdefault.h (WINT_TYPE): Define.
11374 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11375 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11376 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11378 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11380 * (mips_legitimate_address_p): Don't allow register+offset
11381 if the offset is large and negative, and we are compiling
11382 for 64 bit registers.
11384 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11386 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11387 insn_code_number + 1.
11389 2000-08-04 Kazu Hirata <kazu@hxi.com>
11391 * h8300.c (function_prologue): Rearrange code for conciseness.
11392 (function_epilogue): Likewise.
11393 * h8300.h (OK_FOR_U): Fix formatting.
11395 * cse.c: Fix a comment typo. Fix formatting.
11397 2000-08-03 Richard Henderson <rth@cygnus.com>
11399 * config/i386/i386.md (return_indirect_internal): New.
11400 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11402 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11404 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11406 (lex_line): Glue @ onto the beginning of identifiers and
11407 string constants, in Objective-C mode.
11408 (output_token, spell_token): Handle CPP_OSTRING.
11409 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11410 beginning of a NAME or a STRING, in objc mode.
11412 * cpplib.c (get_define_node): Do not permit identifiers that
11413 begin with @ to be #defined.
11414 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11415 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11417 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11418 * c-tree.h (build_objc_string): Delete prototype.
11419 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11420 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11422 * c-parse.in, objc/objc-act.c: Update commentary.
11424 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11426 * extend.texi: Fix typo in last change.
11428 * extend.texi: Add commentary on statement-expressions and their
11429 interactions with C++.
11431 2000-08-03 Nick Clifton <nickc@cygnus.com>
11433 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11434 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11436 2000-08-03 Anthony Green <green@cygnus.com>
11438 * dwarf2out.c (gen_compile_unit_die): Add java language support.
11439 (add_bound_info): Check for java language.
11440 (is_java): New function.
11441 * dwarfout.c (output_compile_unit_die): Ditto.
11442 * dwarf.h (dwarf_source_language): Add java source language type.
11443 * dwarf2.h (dwarf_source_language): Ditto.
11445 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11447 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
11450 * i386.c (ix86_expand_branch): Mode of comparison in
11451 IF_THEN_ELSE is VOIDmode.
11453 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
11455 * gengenrtl.c, rtl.c: Avoid #elif.
11457 2000-08-03 Michael Poole <poole@troilus.org>
11459 * tm.texi (Register Classes): Clarify order of sub-initializers
11460 in REG_CLASS_CONTENTS.
11462 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11464 From SAITOH Masanobu:
11465 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
11467 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
11469 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
11470 is not supported by tradcpp and isn't actually needed for cygwin.
11472 2000-08-03 Kazu Hirata <kazu@hxi.com>
11474 * h8300.c: Fix a comment typo.
11475 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
11477 * jump.c: Fix formatting.
11479 * toplev.c: Fix formatting.
11481 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
11483 * flow.c (find_auto_inc): Verify that we've got a REG before
11484 peeking at its regno. Fail, don't abort if we can't find
11485 the increment of the desired register.
11487 * pa.md (shadd height reduction patterns/splitters): Remove.
11489 2000-08-02 Jim Wilson <wilson@cygnus.com>
11491 * config/ia64/ia64-protos.h (flag_ssa): Declare.
11492 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
11494 2000-08-02 Mark Mitchell <mark@codesourcery.com>
11496 * dce.c: Remove all uses of assert.
11497 * dwarf2out.c: Likewise.
11498 * dwarfout.c: Likewise.
11501 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11503 * gcc.h (lang_specific_driver): Constify second argument.
11504 * gcc.c (translate_options, process_command, main): Likewise.
11505 Constify variables to match. Cast second argument to
11508 * cppspec.c, gccspec.c: Adjust type of second argument to
11509 lang_specific_driver, and update code as necessary.
11511 2000-08-02 Jakub Jelinek <jakub@redhat.com>
11513 * loop.c (scan_loop): Ensure update_end label does not
11514 go away until reg_scan_update is run.
11516 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11518 * c-common.h: Prototype min_precision and c_build_qualified_type here...
11519 * c-tree.h: ... not here.
11520 * errors.h: Prototype fancy_abort.
11522 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
11523 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
11524 * regrename.c (regrename_optimize): Make control flow explicit.
11525 (replace_reg_in_block): Initialize reg_use to 0.
11527 * i386.c (legitimate_address_p): Rename error label to
11528 report_error to avoid namespace clash.
11530 2000-08-02 Kazu Hirata <kazu@hxi.com>
11532 * fold-const.c: Fix formatting.
11534 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
11536 * i386.c (legitimate_address_p): Accept other bases than
11537 pic_offset_table_rtx for GOTOFF constructs.
11539 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11541 * i386.md (shift to lea splitter): Use const_int_operand.
11543 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11545 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
11546 cppspec.c: Do not use 'legal' or 'illegal' in error messages
11549 * cppmain.c (cb_define, cb_undef): Don't generate any output
11550 if not done_initializing.
11551 * cpplex.c (maybe_paste_with_next): When the token after a ##
11552 is an omitted rest argument, only delete the token before it
11553 if that token is a comma. Do not warn about bogus token
11554 pastes for , ## rest_arg.
11556 * cpp.texi: Update.
11557 * cpp.1: Regenerate.
11559 2000-08-02 Fred Fish <fnf@be.com>
11561 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
11562 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
11565 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
11566 Be directories to search path.
11568 Remove support for __declspec(dllimport) and __declspec(dllexport).
11569 This is leftover cruft from the earlier BeOS gcc port when BeOS
11570 used Microsoft's PE object file format.
11571 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
11572 * config/i386/t-beos (winnt.o): Remove Makefile frag.
11573 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
11574 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
11575 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11576 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
11577 (REDO_SECTION_INFO_P): Remove.
11578 (ASM_EXPORT_DECL): Remove.
11579 (ASM_DECLARE_FUNCTION_NAME): Remove.
11580 (ASM_DECLARE_OBJECT_NAME): Remove.
11581 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
11582 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
11583 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
11584 (STRIP_NAME_ENCODING): Remove.
11586 Remove support for obsolete version of BeOS that is no longer
11588 * configure.in (i*86-*-beospe*): Remove.
11589 * config/i386/beos-pe.h: Remove.
11591 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
11592 Mark Mitchell <mark@codesourcery.com>
11594 * Makefile.in (OBJS): Added dce.o.
11595 (ssa.o): Updated target to include ssa.h.
11596 (flow.o): Likewise.
11597 (toplev.o): Likewise.
11598 (dce.o): Created target.
11599 * basic-block.h: Added comments.
11600 (INVALID_BLOCK): Added definition.
11601 (connect_infinite_loops_to_exit): Added declaration.
11602 Moved SSA declarations to ssa.h.
11603 * flow.c: Added inclusion of ssa.h.
11604 (struct depth_first_search_dsS, depth_first_search_ds):
11606 (compute_immediate_postdominators): Added definition.
11607 (connect_infinite_loops_to_exit): Likewise.
11608 (flow_dfs_compute_reverse_init): Likewise.
11609 (flow_dfs_compute_reverse_add_bb): Likewise.
11610 (flow_dfs_compute_reverse_execute): Likewise.
11611 (flow_dfs_compute_reverse_finish): Likewise.
11612 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
11613 (LABEL_P): Added definition.
11614 (JUMP_P): Likewise.
11615 (NOTE_P): Likewise.
11616 (BARRIER_P): Likewise.
11617 (JUMP_TABLE_DATA_P): Likewise.
11618 (INSN_DEAD_CODE_P): Likewise.
11619 * ssa.c: Replaced inclusions with ssa.h inclusion.
11620 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
11621 (rename_registers): Removed unnecessary variables.
11622 * ssa.h: Created by moving declarations from ssa.c and
11624 * timevar.def: Defined TV_DEAD_CODE_ELIM.
11625 * toplev.c: Added ssa.h inclusion.
11626 (dump_file_index): Added DFI_dce.
11627 (dump_file): Added "dce" entry.
11629 (f_options): Added dce entry.
11630 * invoke.texi: Document -fdce. Emphasize experimental status of
11634 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
11636 * cpperror.c (v_message): Split into _cpp_begin_message and
11637 v_message macro. All callers updated.
11638 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
11641 * cppfiles.c (cpp_syshdr_flags): New function.
11642 (read_include_file): Don't call cpp_output_tokens. Call
11644 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
11645 (cpp_reader_init): Don't initialize token_buffer. Call
11646 _cpp_init_internal_pragmas.
11647 (cpp_cleanup): Don't clear token_buffer.
11648 (cpp_start_read): Don't worry about output from -D processing.
11649 Don't call cpp_output_tokens.
11650 (cpp_finish): Don't dump macros here. Don't call
11652 * cppmacro.c (_cpp_dump_definition): Rename
11653 cpp_dump_definition. Write directly to a FILE *.
11654 (dump_funlike_macro): Delete.
11655 (dump_macro_args): New.
11657 * cpplex.c (TOKEN_LEN): Convert to inline function.
11658 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
11659 cpp_scan_line, _cpp_dump_list): Delete.
11660 (cpp_printf, cpp_output_list): New.
11661 (output_line_command): Don't worry about entering or leaving files.
11662 (cpp_scan_buffer): Just output each token as we hit it.
11663 (process_directive): Don't call cpp_output_tokens.
11664 (_cpp_glue_header_name): Don't use token_buffer.
11665 (output_token, dump_param_spelling): Write directly to a FILE *.
11667 * cpplib.c (pass_thru_directive, dump_macro_name,
11668 pragma_dispatch, do_pragma_gcc): Delete.
11669 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
11670 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
11672 (do_error, do_warning, pragma_dependency): Call
11673 _cpp_begin_message, then cpp_output_list.
11674 (cpp_register_pragma, cpp_register_pragma_space,
11675 _cpp_init_internal_pragmas): New.
11676 (do_pragma): Walk the pragmas table here.
11677 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
11678 do_pragma_dependency): Return void.
11679 (do_pragma_implementation): Moved to cppmain.c.
11681 * cpplib.h: Update prototypes.
11682 (struct cpp_reader): Remove printer, token_buffer,
11683 token_buffer_size, and limit. Add struct cb, and pragmas.
11684 (struct cpp_printer): Remove last_id and written.
11685 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
11686 CPP_ADJUST_WRITTEN): Delete.
11687 * cpphash.h: Update prototypes.
11688 (ufputs): New wrapper.
11690 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
11691 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
11692 (main): Set up callbacks. Register #pragma implementation.
11693 Dump macros from here.
11695 2000-08-01 Geoff Keating <geoffk@cygnus.com>
11697 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
11698 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
11699 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
11700 insns if they have a REG_MAYBE_DEAD note attached.
11701 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
11702 (rs6000_emit_load_toc_table): TOC loads may go dead.
11704 2000-08-01 Jim Wilson <wilson@cygnus.com>
11706 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
11707 type exists before using it. Use number of words as alignment
11709 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
11710 ia64_va_arg): Propagate ia64_function_args changes here.
11712 2000-08-01 Richard Henderson <rth@cygnus.com>
11714 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
11715 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11717 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
11719 From Joern Rennecke:
11720 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
11721 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
11722 unless TARGET_SH3E is set.
11723 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
11725 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
11726 (ashlsi3_std): New pattern.
11727 (ashlsi3 expander): Use it for TARGET_SH3.
11728 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
11730 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11732 * loop.c (canonicalize_condition): Use destination, not source to
11733 determine SET's mode.
11735 2000-07-31 Mark Mitchell <mark@codesourcery.com>
11737 * flow.c (clear_log_links): Fix typo.
11739 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
11741 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
11742 on targets which need more than one insn for a compare/cbranch
11745 2000-07-31 Jim Wilson <wilson@cygnus.com>
11747 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
11748 when computing offset.
11750 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
11752 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
11754 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11756 * flow.c (clear_log_links): Nuke global_live_at_start and
11757 global_live_at_end data, since if the log_links stuff is invalid
11758 so is global_live_at_*.
11760 2000-07-31 Richard Henderson <rth@cygnus.com>
11762 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
11764 2000-07-31 Jakub Jelinek <jakub@redhat.com>
11766 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
11767 (_cpp_get_token): Don't macro expand a just pasted token if it
11768 was pasted at no_expand_level.
11770 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11772 * cppmacro.c (find_param, count_params, save_expansion):
11773 Permit 'defined' as a macro parameter name.
11775 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11777 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
11778 xcpp to cpp throughout.
11779 (native): Remove unnecessary dependency on cpp.
11781 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
11782 tradcpp to tradcpp0.
11783 (.i spec): Add missing output-file spec to cc1 command line.
11784 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
11786 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11788 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
11789 (implicit_decl_warning): New function.
11790 (implicitly_declare): Use it.
11791 * c-typeck.c (build_external_ref): Use implicit_decl_warning
11792 to complain about implicit decls of builtins.
11794 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
11795 based on pedantic && flag_isoc99, if not already set.
11796 * c-tree.h: Declare mesg_implicit_function_declaration.
11797 Prototype implicit_decl_warning.
11799 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
11801 * Makefile.in (ssa.o): Updated header files in dependences.
11802 * basic-block.h: Added compute_immediate_postdominators declaration.
11803 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
11805 * flow.c (compute_immediate_dominators): Updated comment.
11806 (compute_immediate_postdominators): Added definition.
11807 * rtl.h (HARD_REGISTER_P): Added definition.
11808 * ssa.c: Include additional header files.
11809 (assert): Added definition.
11810 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
11811 include select hard registers.
11812 (ssa_rename_to_insert): Likewise.
11813 (ssa_rename_from_initialize): Likewise.
11814 (ssa_rename_from_lookup): Likewise.
11815 (original_register): Likewise.
11816 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
11817 include select hard reigsters.
11818 (ssa_rename_from_traverse): Likewise.
11819 (ssa_rename_from_free): Likewise.
11820 (ssa_rename_from_print): Likewise.
11821 (ssa_rename_from_print_1): Likewise.
11822 (ssa_rename_from_hash_function): Likewise.
11823 (ssa_rename_from_equal): Likewise.
11824 (ssa_rename_from_delete): Likewise.
11825 (simplify_to_immediate_dominators): Removed in favor of
11826 flow.c:compute_immediate_dominators.
11827 (find_evaluations_1): Modified to work with hard registers.
11828 (insert_phi_node): Likewise.
11829 (insert_phi_nodes): Likewise.
11830 (struct rename_set_data): Updated prev_reg comment.
11831 (create_delayed_rename): Modified to work with hard registers.
11832 (RENAME_NO_RTX): Updated comment.
11833 (apply_delayed_renames): Modified to work with hard registers.
11834 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
11835 (rename_block): Updated to use revised ssa_rename_to interface.
11836 (rename_registers): Updated to use revised ssa_rename_to and
11837 ssa_rename_from interface.
11838 (convert_to_ssa): Revised to use compute_immediate_dominators and
11839 deal with hard registers.
11840 (make_regs_equivalent_over_bad_edges): Modified to work with hard
11841 registers. Added check for illegal unification of hard register.
11842 (make_equivalent_phi_alternatives_equivalent): Modified to work
11843 with hard registers.
11844 (compute_conservative_reg_partition): Likewise.
11845 (coalesce_if_unconflicting): Modified to work with hard registers
11846 and check for conflicting hard registers.
11847 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
11849 (rename_equivalent_regs_in_insn): Modified to work with hard
11851 (record_canonical_element_1): Added definition.
11852 (check_hard_regs_in_partition): Added definition.
11853 (convert_from_ssa): Added data structure deallocation and check
11854 for illegal hard register unification.
11855 (conflict_hard_regs_p): Added definition.
11856 * toplev.c (rest_of_compilation): Added comment.
11858 2000-07-31 Anthony Green <green@redhat.com>
11860 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
11862 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
11864 * builtins.c (expand_builtin_apply): Don't defer pop during
11867 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11869 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11870 preferred_unit_stack_boundary when it is > 1.
11872 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11874 * c-common.c (init_function_format_info): Add C99 format functions
11877 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11878 void' or 'register void' as being the special case of 'void' alone
11879 in a parameter list.
11881 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11882 discarding qualifiers into a plain warning.
11884 2000-07-31 Kazu Hirata <kazu@hxi.com>
11886 * combine.c: Fix formatting.
11888 * h8300.md: Fix formatting.
11890 * local-alloc.c: Fix formatting.
11892 * h8300.c (get_shift_alg): Remove the variable alg.
11893 (emit_a_shift): Rearrange code to improve readability.
11895 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11897 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11898 HImode on all architectures and a combination of HImode and SImode
11899 on H8/300H and H8/S.
11901 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11903 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11905 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11906 in my last checkin.
11908 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11910 * recog.c (extract_insn): Set operand_mode according to
11911 operand if match_operand is VOIDmode.
11913 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11915 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11917 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11919 * c-parse.in (extdefs): Call ggc_collect between external
11922 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11923 Richard Henderson <rth@cygnus.com>
11925 * Makefile.in (OBJS): Add doloop.o.
11926 * doloop.c: New file.
11928 * final.c (insn_current_reference_address): Return 0 before final.
11929 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11930 * jump.c (any_uncondjump_p): Likewise.
11931 * loop.c (indirect_jump_in_function): Make static.
11932 (strength_reduce): Call doloop_optimize.
11933 (insert_bct, instrument_loop_bct): Remove.
11934 * loop.h (doloop_optimize): Prototype.
11935 * recog.c (split_all_insns): Split all INSN_P.
11936 * toplev.c (flag_branch_on_count_reg): Default on.
11938 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11939 flag_branch_on_count_reg.
11940 * config/i386/i386.c (override_options): Likewise.
11941 * config/rs6000/rs6000.c (optimization_options): Likewise.
11943 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11945 (dbra_ge): Remove, as well as all it's splitters.
11947 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11950 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11951 (ia64_register_move_cost): Declare.
11952 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11953 (struct ia64_frame_info): Add ar_size.
11954 (ia64_compute_frame_size): Set it.
11955 (save_restore_insns): Save and restore ar.lc.
11956 (ia64_register_move_cost): New, moved from header file. Handle
11957 application registers.
11958 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11959 (emit_insn_group_barriers): Special case doloop_end_internal.
11960 (ia64_epilogue_uses): Mark ar.lc live at end.
11961 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11962 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11963 (FIRST_PSEUDO_REGISTER): Make room.
11964 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11965 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11966 (REG_ALLOC_ORDER): Update.
11967 (HARD_REGNO_MODE_OK): Update.
11968 (REGISTER_NAMES): Update.
11969 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11970 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11971 (REGNO_REG_CLASS): Update.
11972 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11973 (REGISTER_MOVE_COST): Move out of line.
11974 (PREDICATE_CODES): Update.
11975 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11976 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11977 (shladd_elim splitter): Allow constants in the predicate.
11978 (doloop_end, doloop_end_internal): New.
11980 2000-07-30 Richard Henderson <rth@cygnus.com>
11982 * genattrtab.c (struct insn_def): Add lineno member.
11983 (struct insn_ent): Likewise.
11984 (struct attr_desc): Likewise.
11985 (struct delay_desc): Likewise.
11986 (struct function_unit_op): Likewise.
11987 (struct function_unit): Likewise.
11988 (check_attr_value): Use message_with_line.
11989 (check_defs): Likewise.
11990 (expand_units): Likewise.
11991 (check_attr_test): Take a lineno argument.
11992 (gen_attr): Likewise.
11993 (gen_insn): Likewise.
11994 (gen_delay): Likewise.
11995 (gen_unit): Likewise.
11996 (main): Give it to them.
11997 (convert_set_attr_alternative): Take an insn_def argument
11998 instead of num_alt and insn_index.
11999 (convert_set_attr): Likewise.
12000 (write_test_expr): Protect INSN_ADDRESSES load
12001 with INSN_ADDRESSES_SET_P.
12003 2000-07-30 Richard Henderson <rth@cygnus.com>
12005 * flow.c (init_propagate_block_info): Use pc_set.
12007 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12009 * i386.md (*lea_general_[123]) New insns and splits.
12010 (addsi3 to lea splitter): Handle other modes too.
12011 (shlsi3 to lea splitter): Likewise.
12012 (addhi_1_lea, shlhi_1_lea): New patterns.
12013 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
12015 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12017 * recog.c (general_operand, nonimmediate_operand): Accept
12018 any mode for VOIDmode CONSTANT_P operands.
12020 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12022 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
12023 instead of replace_rtx.
12024 * recog.c (validate_replace_rtx_subexp): New function.
12025 * recog.h (validate_replace_rtx_subexp): Declare.
12027 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12029 * combine.c (simplify_set, make_extraction, make_compound_operation
12030 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
12031 as force_to_mode argument.
12033 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
12035 * combine.c (if_then_else_cond): Be sure that mode fits in
12038 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
12040 * combine.c (record_promoted_value): Allow bitsize of mode
12041 to be equivalent to HOST_BITS_PER_WISE_INT.
12043 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12045 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
12046 Do not call gen_mode_alignment when mode is BLKmode.
12048 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
12050 * loop.c (express_from_1): Fix call of simplify_gen_binary.
12052 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
12054 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
12055 VOIDmode implies both operands to be VOIDmode.
12056 (simplify_ternary_operation): Compute properly the mode of comparison.
12057 * combine.c (combine_simplify_rtx): Likewise.
12059 2000-07-25 Michael Hayes <mph@paradise.net.nz>
12061 * basic-block.h (struct loops): New field rc_order.
12062 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
12063 (flow_loops_free): Free rc_order.
12064 (flow_depth_first_order_compute): New parameter rc_order.
12065 (flow_loops_find): Allocate rc_order and swap usage with
12068 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12069 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12071 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
12072 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
12073 (nodb_call, return_from_epilogue): Likewise.
12074 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
12075 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
12076 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
12077 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
12078 (c4x_valid_type_attribute_p): Likewise.
12079 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
12080 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
12082 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12084 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
12085 and loadhi_big_constant if applicable.
12086 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
12087 and add new splitter.s
12089 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12091 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
12093 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12095 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
12097 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12099 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
12101 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12103 * config/c4x/libgcc.S (divqf3): Improve accuracy.
12105 2000-07-27 Mark Mitchell <mark@codesourcery.com>
12107 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
12108 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
12109 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
12110 (get_prev_bb_note): Likewise.
12111 (remove_scope_notes): Likewise.
12112 * flow.c (commit_one_edge_insertion): Likewise.
12113 (merge_blocks_nomove): Likewise.
12114 (verify_flow_info): Likewise.
12115 * gcse.c (insert_insn_end_bb): Likewise.
12116 * reg-stack.c (emit_swap_insn): Likewise.
12117 * ssa.c (first_insn_after_basic_block_note): New function.
12118 (insert_phi_node): Use it.
12119 (rename_block): Likewise.
12120 (eliminate_phi): Likewise.
12121 (make_regs_equivalent_over_bad_edges): Likewise.
12122 (make_equivalent_phi_alternatives_equivalent): Likewise.
12123 (for_each_successor_phi): Likewise.
12124 (convert_from_ssa): Modify phi-node deletion algorithm.
12126 2000-07-29 Andreas Jaeger <aj@suse.de>
12128 * configure.in (mips*-*-linux*): Use mips*el to check for little
12129 endian MIPS, add tmake_file.
12131 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
12132 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
12133 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
12135 2000-07-28 Richard Henderson <rth@cygnus.com>
12137 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
12138 Sign extend mode size before negating.
12140 2000-07-28 Richard Henderson <rth@cygnus.com>
12142 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
12144 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
12146 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
12147 (cse_insn): Likewise.
12148 (addr_affects_sp_p): Likewise.
12149 * expr.c (move_by_pieces): Likewise.
12150 (clear_by_pieces): Likewise.
12151 * gcse.c (oprs_unchanged_p): Likewise.
12152 * haifa-sched.c (sched_analyze_2): Likewise.
12153 * recog.c (offsettable_address_p): Likewise.
12154 * regclass.c (record_address_regs): Likewise.
12155 * reload.c (find_reusable_reload): Likewise.
12156 (push_reload): Likewise.
12157 (operands_match_p): Likewise.
12158 (decompose): Likewise.
12159 (find_reloads_address_1): Likewise.
12160 (find_inc_amount): Likewise.
12161 * reload1.c (elimination_effects): Likewise.
12162 * resource.c (mark_set_resources): Likewise.
12163 * flow.c (attempt_auto_inc): New function; mostly broken out
12165 (find_auto_inc): Split into two functions and enhanced to
12166 generate POST_MODIFY.
12167 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
12168 * rtl.h (count_all_occurrences): Declare.
12169 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
12171 * rtlanal.c (count_all_occurrences): New function.
12172 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
12173 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
12175 * config/ia64/ia64-protos.h (destination_operand): Declare.
12176 * config/ia64/ia64.c (destination_operand): New function.
12177 (ia64_print_operand): Handle POST_MODIFY.
12178 (rtx_needs_barrier): Likewise.
12179 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
12180 (HAVE_POST_MODIFY_REG): Define to 1.
12181 (MAX_REGS_PER_ADDRESS): Change to 2.
12182 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
12183 (LEGITIMATE_ADDRESS_REG): New helper macro.
12184 (LEGITIMATE_ADDRESS_DISP): Likewise.
12185 (PREDICATE_CODES): Add entry for destination_operand.
12186 * config/ia64/ia64.md (all mov patterns): Use destination_operand
12187 predicate for operand 0.
12189 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12191 * dwarf2out.c: Indent #error directive.
12193 * gbl-ctors.h: Fix typo in comment.
12194 (__do_global_ctors): Prototype.
12196 * gcse.c (record_one_set, pre_delete): Remove unused variables.
12198 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
12199 (print_operand): Initialize variable `t'.
12201 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
12203 * config/arm/arm.md ("call_value"): removed constraints.
12204 Constraints are ignored in expanders.
12205 (*call_value_reg): split =rf into various constraints.
12206 (*call_value_mem): same
12207 (*call_value_symbol): same
12208 (*sibcall_value_insn): same
12210 2000-07-28 Philipp Thomas <pthomas@suse.de>
12212 * install.texi (--enable-nls): Change the description of the NLS
12213 related configure options to match the current state.
12214 (--with-included-gettext): Likewise.
12215 (--enable-maintainer-mode): New description added.
12216 * extend.texi (-fstrict-prototype): Add missing '.'.
12218 2000-07-27 Jim Wilson <wilson@cygnus.com>
12220 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
12221 DECL_INITIAL (decl) == NULL_TREE.
12223 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
12225 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
12226 on insn-attr.h with it.
12227 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
12228 * insn-addr.h: New header.
12229 (insn_addresses_): Renamed from insn_addresses.
12230 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
12231 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
12232 INSN_ADDRESSES_NEW): New macros.
12233 * genattrtab.c (write_test_expr): Use new macros.
12234 * final.c (insn_addresses, init_insn_lengths): Likewise.
12235 (align_fuzz, shorten_branches): Likewise.
12236 (final): Likewise. Do not reject new insns if their addresses
12237 have been added to INSN_ADDRESSES.
12238 * config/arm/arm.c, config/avr/avr.c: Use new macros.
12239 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
12240 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
12241 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
12242 * config/sh/sh.c: Likewise.
12243 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
12245 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
12247 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
12249 * gcc.c (struct prefix_list): Add member priority.
12250 (enum path_prefix_priority): Declare.
12251 (add_prefix): Replace ``first'' with ``priority''. Append new
12252 entry but keep list in priority order.
12253 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
12254 PREFIX_PRIORITY_LAST to add_prefix.
12255 (process_command): Move include kludge - foo/stageN - to before
12258 2000-07-27 Jason Merrill <jason@redhat.com>
12260 * dwarf2out.c (gen_typedef_die): Abort if we get identical
12261 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
12263 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
12265 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
12266 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
12268 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
12270 * c-decl.c (finish_function): Don't treat 'main' specially unless
12271 flag_hosted. In C99 mode, return 0 from 'main' unless
12272 DEFAULT_MAIN_RETURN is otherwise defined.
12274 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
12275 parameters defaulting to int in an old-style function definition.
12277 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12279 * c-parse.in (string): For -Wtraditional, warn about string
12280 concatenation only once per line.
12282 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
12284 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
12285 for HI-UX/WE2 systems.
12287 2000-07-24 Bruce Korb <bkorb@gnu.org>
12289 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
12290 defining the __xxx_TYPE__ macros.
12291 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
12292 * fixincl/fixlib.h: don't need to include "tm.h" anymore
12293 * fixincl/inclhack.def(type_map): now obsolete
12295 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
12297 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12299 2000-07-26 Dave Pitts <dpitts@cozx.com>
12301 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12303 (mvs_hash_alias): New function.
12304 (mvs_add_alias): Change argument spacing.
12305 (mvs_need_alias): Change aliasing criteria. Added documentation.
12306 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12307 CSECT name collisions.
12308 (mvs_check_alias): Likewise.
12309 (handle_pragma): Change documentation.
12310 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12311 mode from SImode to DImode.
12312 (iorhi3): Changed LTORG size for insn.
12314 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12316 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12317 mem if the address is a mode_dependent_address_p.
12319 2000-07-26 Kazu Hirata <kazu@hxi.com>
12321 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12322 suitable for 8-bit absolute.
12323 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12324 (OK_FOR_U): Add a case for the 8-bit constant address on the
12327 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12329 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12330 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12331 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12332 lack of implemented alignment.
12334 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12336 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12337 cross-compiling between 64-bit and 32-bit machines.
12339 2000-07-27 Richard Henderson <rth@cygnus.com>
12341 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12342 (movhicc_astep, movhi_internal_astep): New.
12343 (movsicc_astep, movsi_internal_astep): New.
12344 (movdicc_astep, movdi_internal_astep): New.
12345 (movsfcc_astep, movsf_internal_astep): New.
12346 (movdfcc_astep, movdf_internal_astep): New.
12347 (movxfcc_astep, movxf_internal_astep): New.
12348 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12349 Unify the cmov[ds]i splitters.
12351 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12353 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12355 2000-07-26 Nick Clifton <nickc@cygnus.com>
12357 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12358 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12360 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12361 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12363 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12365 * c-decl.c (finish_enum): Convert enumerations that fit in an
12367 (build_enumerator): In pedantic mode, cast to `int' those that
12370 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12372 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12374 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12376 * sh.md (cmpgtdi_t): Must be split.
12377 (cmpgtdi_t+1): New splitter.
12379 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12381 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12382 warnings for indented directives even if we are skipping.
12384 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12386 * invoke.texi (strict-prototypes): Remove.
12387 * extend.texi (Deprecated Features): Add strict-prototypes.
12388 (Backwards Compatibility): New node.
12390 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12392 * config/i386/i386.md (andsi_1+1): Allow HImode.
12393 (andsi_1+2): Require q_regs_operand.
12395 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12397 * config/i386/i386.md (call_pop): Check operands[0],
12398 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12400 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12401 (call_value): Likewise.
12403 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12405 * toplev.c (pipe_closed): Delete.
12406 (crash_signal): New. Generate ICE for a fatal signal.
12407 (float_signal): Call crash_signal outside a float-handler
12409 (main): Install crash_signal as handler for core-dumping signals.
12411 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12413 * rs6000.c (print_operand, case 'T'): New case.
12415 * rs6000.md (call_indirect_aix32): Convert to expander of
12416 scheduled instructions.
12417 (call_indirect_aix64): Likewise.
12418 (call_value_indirect_aix{32,64}): Likewise.
12419 (call, call_value): Invoke expanders for AIX. Fall through to
12421 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12422 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12423 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12424 only "g" constraint.
12425 (call_nonlocal_aix64): Likewise.
12426 (call_value_nonlocal_aix{32,64}): Likewise.
12427 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12429 (call_value_nonlocal_sysv): New pattern.
12430 (indirect_jump{si,di}): Use new 'T' modifier.
12431 (tablejump{si,di} matchers): Likewise.
12432 (return_internal_{si,di}): Likewise.
12433 (return_eh_{si,di}): Likewise.
12435 2000-07-24 Richard Henderson <rth@cygnus.com>
12437 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
12438 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
12439 * config/ia64/ia64.md (movdi_internal): Use it.
12441 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
12443 * cppexp.c: Warn about unary + if -Wtraditional.
12444 * cpplex.c (lex_line): Always set BOL on the first token of a line.
12446 2000-07-24 Michael Meissner <meissner@redhat.com>
12448 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
12451 2000-07-24 Nick Clifton <nickc@cygnus.com>
12453 * config/arm/arm.c (emit_multi_reg_push): Generate a
12454 REG_FRAME_RELEATED_NOTE that is compatable with the code in
12455 dwarf2out_debug_frame_expr.
12457 2000-07-24 Jason Merrill <jason@redhat.com>
12459 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
12460 UNALIGNED_INT_ASM_OP.
12461 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
12462 a location expression.
12463 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
12464 assume indirect access if we're saving the CFA address exactly.
12466 * Makefile.in (bootstrap): Move -BstageN/ to the end.
12468 2000-07-24 Jakub Jelinek <jakub@redhat.com>
12470 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
12473 2000-07-24 Michael Meissner <meissner@redhat.com>
12475 * invoke.texi (D30V Options): Add d30v options.
12477 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
12479 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
12480 needed by our gcse pass anymore.
12481 (free_pre_mem): Corresponding changes.
12482 (compute_pre_data): Do not call compute_transpout anymore.
12484 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
12485 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
12488 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
12489 (compute_pre_data): Do it here instead.
12491 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
12493 (pre_delete): Corresponding changes.
12495 2000-07-23 Mark Mitchell <mark@codesourcery.com>
12497 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
12498 to figure out whether or not a variable has already been emitted.
12500 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
12502 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
12503 instead of gen_call.
12505 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
12507 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
12509 2000-07-23 Kazu Hirata <kazu@hxi.com>
12511 * h8300.c: Fix formatting.
12513 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
12515 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
12516 for `long' switch expression into a plain warning.
12518 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
12519 (yylex): Don't pedwarn for "inline" in C99 mode.
12521 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
12523 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
12524 ggc_alloc): Likewise.
12525 * bb-reorder.c (dump_scope_forest_1): Likewise.
12527 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
12529 * reload.c (find_reloads_toplev): Add new parameter
12530 "address_reloaded".
12531 (find_reloads): Add new parameter to find_reloads_toplev calls.
12533 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
12535 * collect2.c (main): Typo fixed.
12536 * diagnostic.c: Typo fixed.
12537 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
12538 * eh-common.h: Typo fixed.
12539 * emit-rtl.c (start_sequence): Typo fixed.
12540 * flow.c (find_label_refs): Typo fixed.
12541 (calculate_global_regs_live): Typo fixed.
12542 (mark_regno_cond_dead): Typo fixed.
12543 (create_edge_list): Typos fixed.
12544 (verify_edge_list): Typo fixed.
12545 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
12546 * loop.c (strength_reduce): Typo in function name fixed.
12547 * rtl.h: Added comments. Typo in function name fixed.
12548 * rtlanal.c: Typo in function name fixed.
12549 (insn_dependant_p): Rename to ...
12550 (insn_dependent_p): ... this.
12551 (computed_jumo_p): Typo fixed.
12553 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12555 * system.h (__FUNCTION__): Wrap definition in #ifndef.
12557 2000-07-21 David Edelsohn <edelsohn@gnu.org>
12559 * rs6000.h (SIZE_TYPE): Define.
12561 2000-07-21 Mark Mitchell <mark@codesourcery.com>
12563 * ssa.c (rename_insn_1): Don't rename registers that are
12566 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
12568 * diagnostic.c (trim_filename, fancy_abort): Moved here from
12570 (fatal_function, set_fatal_function): Removed.
12571 (fatal): Don't prepare for or call the fatal_function.
12572 (diagnostic_lock, error_recursion): New.
12573 (diagnostic_for_decl, report_diagnostic): Guard against
12574 re-entering the error reporting routines.
12575 (fancy_abort): Assume function is not NULL.
12577 * errors.c (fancy_abort): New. Assume function is not NULL.
12578 * tradcpp.c (fancy_abort): Assume function is not NULL.
12580 * system.h: Provide default definition of __FUNCTION__.
12581 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
12582 Always use __FUNCTION__ in definition of abort.
12583 * tree.h: Likewise.
12584 * varray.h: Likewise.
12585 * toplev.h: Likewise. Don't prototype set_fatal_function.
12587 2000-07-20 Geoff Keating <geoffk@cygnus.com>
12589 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
12591 * glimits.h: Don't do #if defined for ARCH_PPC.
12593 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
12594 constants of size no larger than a pointer should go in the TOC.
12595 Add 'MODE' parameter.
12596 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
12597 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12598 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
12599 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
12600 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
12601 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
12602 (rs6000_legitimize_address): Likewise.
12603 (rs6000_emit_move): Likewise.
12604 (rs6000_select_rtx_section): Likewise.
12605 (output_toc): Deal properly with outputting small constants like
12606 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
12607 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
12608 MODE parameter. Put small constants in the TOC.
12610 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
12612 (rs6000_emit_move): When reload calls us with an illegitimate
12613 address, exit early. Move the change_address calls to one place
12614 at the end of the routine. Merge the SImode and DImode expanders.
12615 When called by reload to put an integer into a FP register, force
12618 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
12620 (rs6000_hash_constant): Hash mode too.
12621 (toc_hash_function): Allow for key_mode.
12622 (toc_hash_eq): Structures are different if key_mode differs.
12623 (output_toc): Add 'mode' parameter. Save key_mode.
12624 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
12625 Pass 'mode' parameter.
12626 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
12628 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
12629 for vtable references.
12631 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
12632 choice, don't put integer values in FP regs.
12634 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
12636 * flow.c (verify_flow_info): Revamp code to verify that the
12637 head and end of each basic block are in the insn chain.
12639 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
12641 * gcse.c (record_one_set): Prepend instead of append onto
12642 reg_set_table, making it O(n) instead O(n^2).
12643 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
12644 Use a queue instead of a stack as worklist.
12646 2000-07-20 Kazu Hirata <kazu@hxi.com>
12648 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
12649 * h8300.h (OK_FOR_T): New.
12650 (EXTRA_CONSTRAINT): Support OK_FOR_T.
12651 * h8300.md: Use inc/dec.[wl] for increment/decrement
12652 by 1 and 2 in HI and SI modes.
12654 2000-07-20 Jim Wilson <wilson@cygnus.com>
12656 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
12657 larger than 14 bits.
12659 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
12661 * cppmacro.c (CAN_PASTE_AFTER): New macro.
12662 (count_params): Don't set GNU_REST_ARGS on anything.
12663 (save_expansion): Set PASTE_LEFT only on tokens for which
12664 CAN_PASTE_AFTER is true, or which are named operators.
12666 * cpplex.c (parse_args): Distinguish between a rest argument
12667 given one empty argument, and a rest argument given zero arguments.
12668 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
12669 deletion of previous token based on that.
12670 (get_raw_token): Flatten some control structure.
12672 * cpplib.h (CPP_LAST_EQ): Correct.
12673 (VOID_REST): New token flag.
12674 (GNU_REST_ARGS): Delete.
12676 * tradcpp.c (main): Don't munge -D options.
12677 (make_definition): Bring -D handling in line with cpplib.
12678 (do_define): Strip all leading whitespace from macro definitions.
12680 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
12682 * Makefile.in (tradcpp): Depend on intl.o and version.o.
12684 2000-07-20 Bruce Korb <bkorb@gnu.org>
12686 * fixincl/check.tpl: strip the platform specific types before testing
12687 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
12688 * fixincl/fixincl.tpl: use platform specific types
12689 * fixincl/fixlib.h: include the platform specific types
12690 * fixincl/inclhack.def(gnu_types): don't supply the types
12691 * fixincl/fixincl.x: regen
12693 2000-07-19 Jim Wilson <wilson@cygnus.com>
12695 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
12698 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12700 * tradcpp.c (rescan): Do not recognize directives when the #
12703 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12705 Implement C++ named operators.
12707 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
12708 of operators allowed in #if and having an _EQ variant. Add
12709 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
12710 (cpp_token flags): Add NAMED_OP.
12711 (enum node_type): Add T_OPERATOR.
12712 (struct cpp_hashnode): Add code slot to value union.
12713 * cpphash.h (spec_nodes): Remove n_defined.
12715 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
12716 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
12717 (is_macro_disabled): Tweak error messages.
12719 * cpplib.c (get_define_node): Disallow all named operators as
12720 macro names. Tweak error messages.
12721 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
12723 * cppinit.c (builtin_array): Add entries for the named operators.
12724 * cppexp.c (lex): Check for CPP_DEFINED token.
12725 (priority table): Add entries for CPP_MIN and CPP_MAX.
12726 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
12728 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
12730 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
12731 larger than the array of cuids.
12732 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
12735 2000-07-19 Bruce Korb <bkorb@gnu.org>
12737 * fixinc/fixincl.c: Convert to using a table of environment variables
12738 and activate the auto-edit marker on the fixed output files.
12739 * fixinc/fixlib.h: Define the environment table
12740 * fixinc/fixincl.sh: export the ${INPUT} dir
12741 * fixinc/check.tpl: likewise
12743 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12745 * gcc.c (.h spec): Fix typo.
12747 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
12749 * Makefile.in: Fix tradcif.c path.
12751 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12753 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
12756 * cpphash.h (TOKEN_NAME): New macro.
12757 (_cpp_spell_operator): Deleted.
12758 (token_spellings): Now _cpp_token_spellings.
12760 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
12761 * cpplex.c: Use OP and TK macros when expanding the
12762 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
12763 store the stringification of the enumeration name (CPP_CHAR,
12764 etc.) in the name slot of token_spellings.
12765 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
12766 token_spellings directly.
12767 * cpplib.c: Use TOKEN_SPELL.
12769 * cpplex.c (_cpp_push_token): If the token being pushed back
12770 is the previous token in this context, just subtract one from
12772 * cppmacro.c (save_expansion): Clear aux field when storing a
12775 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12777 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
12778 buffer, provided it is not NULL.
12780 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
12782 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
12783 case of invalid volatile re-declaration.
12785 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12787 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
12788 (expand_call): Adjust caller.
12790 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
12792 * diagnostic.h (report_diagnostic): Change prototype.
12794 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
12795 diagnostic_for_decl): Change prototype.
12796 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
12797 error, warning, error_with_file_and_line,
12798 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
12799 Adjust call to report_diagnostic, diagnostic_for_decl.
12800 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
12801 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
12803 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
12804 varaible argument list.
12806 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12808 * cpphash.c: Don't include hashtab.h. Most macro-handling code
12809 moved to cppmacro.c.
12810 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
12811 dump_hash_helper): Delete.
12812 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
12813 cpp_forall_identifiers): New. Implement specialized version of
12814 Vlad's expandable hash table.
12815 (cpp_lookup): Use new functions.
12816 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
12818 * cppmacro.c: New file.
12819 * cppinit.c (dump_macros_helper): New.
12820 (cpp_finish): Iterate over the identifier table directly.
12821 * cpplex.c (parse_name): Calculate the hash of the identifier
12822 while we scan it. Use _cpp_lookup_with_hash when we can.
12824 * cpphash.h: Update prototypes.
12825 (xcnewvec, HASHSTEP): New helper macros.
12826 * cpplib.h: Update prototypes.
12827 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
12828 (cppmacro.o): New rule.
12829 (cpphash.o): Update deps.
12831 * cppmain.c: Do not set pfile->printer if no_output is on.
12833 2000-07-15 Neil Booth <neilb@earthling.net>
12835 * cpplib.c: Change all directive-handler functions to return
12837 * cpphash.h: Update typedefs.
12839 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12841 * configure: Regenerate.
12843 * extend.texi (Extended Asm): Mention that a memory clobber
12844 does not count as a side-effect.
12846 * unroll.c (copy_loop_body): Fix one instance of using host
12847 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
12850 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
12852 2000-07-17 Richard Henderson <rth@cygnus.com>
12854 * config/ia64/ia64.md (movdi): Split out load address code.
12855 New post-reload splitter for symbolic operands.
12856 (movdi_internal): Abort if we didn't split symbolic operands
12857 when we should have.
12858 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
12859 (ia64_reorg): Split insns when not optimizing.
12860 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
12862 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12864 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
12865 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
12867 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12869 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12871 2000-07-17 Jason Merrill <jason@redhat.com>
12873 * Makefile.in (clean): Remove libgcc directory.
12875 * configure.in (-Wno-long-long check): Use higher-level macros.
12877 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12879 * simplify-rtx.c (simplify_binary_operation): Recognize
12880 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12881 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12882 a CONST_INT, it will always be zero.
12884 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12886 * loop.c (check_dbra_loop) : Return if more than one condition is
12887 present to control the loop.
12889 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12891 * mips.c (mips_expand_prologue): Don't calculate the last argument
12892 register unless we need it. When we are calculating this, make
12893 sure FUNCTION_ARG is giving us a REG.
12895 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12897 * flow.c (libcall_dead_p): Use single_set to verify the insn
12898 has only one set and get for analysis.
12899 (propagate_one_insn): Don't pass the PATTERN of the insn.
12901 2000-07-17 Mark Klein <mklein@dis.com>
12903 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12905 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12907 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12908 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12909 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12910 of second argument of getgroups.
12911 * configure, config.in: Rebuilt.
12913 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12915 * simplify-rtx.c (simplify_relational_operation): Two signed
12916 values with equal high words are less/greater than each other if
12917 their low words are less/greater when considered as unsigned.
12919 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12921 * configure.in (vax-*-openbsd): Change to new style configuration,
12922 add collect2/float_format information.
12923 * configure: Rebuilt.
12924 * config/vax/openbsd1.h: New.
12925 * config/vax/openbsd.h: New.
12926 * config/vax/t-openbsd: New.
12928 2000-07-17 Chip Salzenberg <chip@valinux.com>
12930 * c-common.c (shorten_compare): Quiet warnings about unsigned
12931 comparisons with zero when they occur in a system header.
12933 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12935 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12936 update to describe current practice.
12938 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12940 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12941 references to C9X. Change references to -fstd and -flang-isoc9x
12944 * c-common.c (scan_char_table): Allow "z" length modifiers on
12946 (check_format_info): Use TYPE_DOMAIN on the type matched against
12947 for "z" formats, to retrieve the language size_t rather than the
12950 * c-common.c (check_format_info): Do not make a pedantic objection
12951 to the 'L' length modifier if used with a floating point type
12954 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12955 constants in C99 mode.
12957 2000-07-17 Kazu Hirata <kazu@hxi.com>
12959 * h8300.md: Fix the format of mac.
12960 (movsi_h8300hs): Output a tab after stmac instead of a space.
12962 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12963 profitable adds/subs sequences.
12965 * fold-const.c: Fix comment typos.
12967 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12969 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12971 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12973 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12975 2000-07-16 Neil Booth <NeilB@earthling.net>
12977 * cpplex.c: Update comments.
12978 * README.Portability: Small update.
12980 2000-07-16 Neil Booth <NeilB@earthling.net>
12982 * README.Portability: Small update.
12984 2000-07-15 Richard Henderson <rth@cygnus.com>
12986 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
12987 * config/ia64/ia64.c (ia64_move_ok): New function.
12988 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
12989 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
12991 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
12993 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
12994 immediately following a paste operator.
12995 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
12996 (cpp_reader_init): Call it, if HOST_EBCDIC.
12997 (cpp_handle_options): Do not sort option list here.
12998 (handle_option): Rename to cpp_handle_option and export.
12999 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
13000 _cpp_get_token directly.
13001 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
13002 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
13003 * cpplib.h: Prototype cpp_handle_option. Update prototype of
13006 2000-07-15 Richard Henderson <rth@cygnus.com>
13008 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
13009 cast around an expression. Tidy other unsigned tests.
13011 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
13013 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
13014 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
13015 (v_message_with_decl): Rename to ...
13016 (format_with_decl): ... this. Tweak
13017 (diagnostic_for_decl): New function.
13018 (fatal_io_error): Use verbatim in lieu of notice.
13019 (announce_function): Use verbatim.
13020 (default_print_error_function): Likewise.
13021 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
13024 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13026 * mips.c (function_arg_pass_by_reference): Don't do automatic
13027 aggregate initialization.
13028 (machine_dependent_reorg): Initialize variable `mode'.
13030 * mips.md (absdi2): Change variable `regno1' to unsigned int.
13031 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
13032 conflicts with sys/param.h macro of the same name.
13033 (reload_outdi): Likewise.
13035 2000-07-15 Michael Meissner <meissner@redhat.com>
13037 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
13038 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
13039 create a new node instead.
13041 2000-07-15 Neil Booth <NeilB@earthling.net>
13043 * README.Portability: Correct example about calling a function
13044 through a pointer to function. Format wide paragraphs.
13046 2000-07-15 Michael Meissner <meissner@redhat.com>
13048 * README.Portability: Update integer suffixes and function
13049 prototype sections.
13051 2000-07-15 Neil Booth <NeilB@earthling.net>
13053 * README.Portability: Small update.
13055 2000-07-15 Neil Booth <NeilB@earthling.net>
13057 * README.Portability: New file.
13059 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
13061 * INSTALL: Give special instructions for building GCC on Irix 6.
13062 * config/mips/x-iris6 (CC): Don't set it.
13065 2000-07-14 Jason Merrill <jason@redhat.com>
13067 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
13068 register in the stack and later in another register, use the new
13071 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
13073 * config/mips/mips.md: (absdi2): Handle sign_extend for
13076 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
13078 * cpplib.c (do_pragma_dependency): Tidy warning messages.
13080 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
13082 * .cvsignore: Correct typo.
13084 2000-07-13 Mark Mitchell <mark@codesourcery.com>
13086 * .cvsignore: Add generated YACC files.
13087 * objc/.cvsignore: New file.
13089 2000-07-14 Neil Booth <NeilB@earthling.net>
13091 * cpplex.c (adjust_column): New funcion.
13092 (skip_whitespace): Use it.
13093 (skip_block_comment): Use it, and warn about /*/* with
13096 2000-07-14 Neil Booth <NeilB@earthling.net>
13098 * cpphash.c (struct macro_info): Add new members.
13099 (_cpp_free_definition): Delete the macro directly.
13100 (count_params): Return void, with first token of
13101 expansion in struct macro_info on success.
13102 (parse_define): Return int. Hoist syntax checking from
13103 save_macro_expansion. Leave call to save_expansion to
13104 _cpp_create_definition.
13105 (alloc_macro): Needs just 2 arguments.
13106 (free_macro): Delete.
13107 (save_expansion): Don't perform syntax check.
13108 (_cpp_create_definition): Call save_expansion.
13110 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13112 * genrecog.c (write_header): Split long string.
13114 * cpphash.c (macro_info): Don't use the `signed' keyword.
13116 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
13118 2000-07-13 Jakub Jelinek <jakub@redhat.com>
13120 * calls.c (stored_args_map): New variable.
13121 (check_sibcall_argument_overlap_1): New.
13122 (check_sibcall_argument_overlap): New.
13123 (expand_call): Initialize stored_args_map.
13124 Call check_sibcall_argument_overlap.
13126 2000-07-13 Bruce Korb <bkorb@gnu.org>
13128 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
13129 (emit_gnu_type): utility procedure for gnu_type_fix
13130 (gnu_type_fix): implement various pre-processor guards around
13131 standard types so these types can be defined over and over
13132 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
13133 types alluded to above will have GNU-compliant base types
13134 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
13135 * fixinc/inclhack.def: add test_text entries and utilize the new
13136 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
13137 * fixinc/fixincl.x: regenerate
13139 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
13141 * diagnostic.c (vline_wrapper_message_with_location,
13142 v_message_with_file_and_line, v_error_with_file_and_file,
13143 v_error_for_asm, v_warning_for_asm, vfatal,
13144 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
13145 vsorry, verror, vwarning, vpedwarn): Remove.
13146 (diagnostic_for_asm): New function.
13147 (pedwarn, error, warning, pedwarn_with_file_and_line,
13148 error_with_file_and_line, warning_with_file_and_line, sorry,
13149 error_for_asm, warning_for_asm, fatal): Reimplement.
13150 (finish_diagnostic): Clear diagnostic info as well.
13152 2000-07-13 Neil Booth <NeilB@earthling.net>
13154 * c-common.h (flag_digraphs): New.
13155 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
13156 * c-lex.c (yylex): Use flag_digraphs to decide whether to
13159 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
13161 * gcc.c (do_spec_1): Add new %B operator.
13162 (set_input): Prepare for %B.
13164 (link_command_spec): Move up with the other tm.h-
13165 overrideable specs. Factor out the portion conditional on
13166 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
13167 (struct compiler): Just have a single spec string. All users
13169 (default_compilers): Remove unnecessary braces.
13170 (static_specs): Update.
13172 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
13174 (C and assembly specs): Use the new named specs, as appropriate.
13176 * objc/lang-specs.h: Use the new named specs.
13177 Remove unnecessary braces.
13179 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13181 * gcc.c (execute): If a subprocess gets a fatal signal, report
13182 strsignal() of the signal number, and ask for a bug report.
13183 Do not do this for SIGPIPE if there's already been an error.
13185 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
13186 Delete pipe_closed.
13188 * tradcif.c: Remove.
13190 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13192 * final.c (profile_function): Do not emit profile counters in
13193 the data section, if NO_PROFILE_COUNTERS is defined.
13194 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
13197 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
13198 (FUNCTION_PROFILER): Just emit a call to mcount.
13200 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13202 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
13204 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
13205 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
13206 traditional, lang_chill, or lang_fortran.
13208 * cppfiles.c: #undef strcmp to suppress warning about macros
13209 used without arguments.
13210 (_cpp_execute_include): Use f, not fname, in "No include path"
13212 (_cpp_pop_file_buffer): New function.
13213 * cpplib.c: Don't include <sys/mman.h>.
13214 (cpp_push_buffer): Set line_base and lineno in new buffer.
13215 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
13217 * cpplex.c: Move all prototypes and structure declarations to the
13218 top of the file. Properly parenthesise some macro arguments.
13219 (cpp_scan_line): New function.
13220 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
13221 don't need to walk up the stack counting.
13223 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13225 * c-common.c (combine_strings): Emit a pedantic warning when a
13226 string length is greater than the minimum ANSI C is required
13229 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
13231 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
13232 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
13234 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13236 * c-decl.c (define_label): Warn about identifier conflicts with
13237 labels in traditional C.
13239 * c-parse.in (unop +): Warn about the unary plus operator for
13242 * c-typeck.c (store_init_value): Warn about automatic aggregate
13243 initialization for traditional C.
13245 * invoke.texi (-Wtraditional): Document new warnings.
13247 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13249 * Makefile.in (c-errors.o): Fix thinko in dependency.
13251 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13253 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
13254 -traditional, -ftraditional, or -traditional-cpp was given.
13255 Do not pass -traditional to the preprocessor.
13256 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
13257 preprocessor does it automatically.
13258 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
13260 * ch/lang-specs.h: Always use tradcpp. Do not pass
13261 -traditional, -trigraphs, or -pedantic to the preprocessor.
13262 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
13265 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13267 * cppexp.c (LOGICAL): Delete macro.
13268 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
13271 * cpphash.c (HASHSIZE): Increase to 4096.
13272 (struct hashdummy): Add hash field.
13273 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
13274 the string values using memcmp.
13275 (cpp_lookup): Set dummy.hash.
13277 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
13279 * configure.in (m88k-openbsd): Express configuration using new fragment
13281 * configure: Rebuilt.
13282 * m88k/aout-dbx.h: New.
13283 * m88k/openbsd.h: New.
13284 * m88k/xm-openbsd.h: New.
13286 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13288 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
13290 2000-07-12 Richard Henderson <rth@cygnus.com>
13292 * reload.c (push_secondary_reload): Make sure to add the new
13293 reload at the end, after acquiring secondary memory.
13295 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13297 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13299 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13300 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13302 * c-parse.in (stmt): Delete unused variables.
13304 * convert.c (convert_to_vector): Likewise.
13306 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13308 * tree.c (finish_vector_type): Prototype.
13310 2000-07-12 Bruce Korb <bkorb@gnu.org>
13312 * fixinc/fixfixes.c: use xmalloc
13313 * fixinc/fixincl.c(initialize): set program name for xmalloc
13314 * fixinc/fixlib.c(must_malloc): obsolete
13315 (is_cxx_header): no longer used - disabled
13316 (skip_quote): inserted and disabled for future use
13317 * fixinc/fixlib.h: reflects above
13318 * fixinc/fixtests.c: removed dinkleberries
13320 2000-07-12 Neil Booth <NeilB@earthling.net>
13322 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13323 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13325 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13326 struct toklist_dummy): New.
13327 (cpp_free_definition): Free macros with free_macro.
13328 (count_params): Don't save paramter spellings. Save macro
13329 information in a struct macro_info.
13330 (parse_define): Don't allocate a token list.
13331 (save_expansion): Allocate the macro's token list, and
13332 save parameter spellings if necessary. Use TOKEN_SPELL.
13333 (cpp_create_definition): Make list const.
13335 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13337 * c-typeck.c (pedwarn_c99): Move to
13338 * c-errors.c: ... Here.
13339 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13340 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13341 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13342 (c-errors.o): List dependency.
13344 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13346 * c-parse.c: Remove.
13347 * c-parse.h: Likewise.
13348 * c-parse.y: Likewise.
13349 * objc/objc-parse.c: Likewise.
13350 * objc/objc-pasre.y: Likewise.
13352 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13354 * gcc.texi: Fix minor typos
13355 * extend.texi: Fix minor typos
13357 2000-07-11 Marc Espie <espie@openbsd.org>
13359 * collect2.c (main): Recognize .lo as object files.
13361 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13363 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13366 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13367 with MAP_ANONYMOUS and MAP_ANON.
13368 * configure, config.in: Rebuilt.
13370 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13372 * diagnostic.c (save_output_state): Remove.
13373 (restore_output_state): Likewise.
13374 (clear_text_info): New function.
13375 (clear_diagnostic_info): Likewise.
13376 (output_text_length, is_starting_newline, output_prefix,
13377 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13378 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13379 (set_real_maximum_length, output_set_maximum_length,
13380 output_set_prefix, output_get_prefix, output_set_maximum_length,
13381 output_destroy_prefix, init_output_buffer,
13382 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13383 output_add_newline, output_add_character, output_add_space,
13384 output_append_r, output_append, wrap_text, output_format,
13385 output_do_printf, output_printf, output_do_verbatim,
13386 output_verbatim, verbatim): Use them.
13387 (output_clear): Split into cleat_text_info and
13388 clear_diagnostic_info.
13389 (struct output_state): Move to...
13391 * diagnostic.h: ...Here
13392 (struct output_buffer): Adjust.
13394 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13396 * cpplex.c (parse_name): No longer inline (premature optimization).
13397 (do_pop_context): Fold into pop_context.
13398 (pop_context): Returns int.
13399 (lex_next): Hoist test for end of directive into pop_context.
13400 (push_macro_context): Returns int; takes just reader and token.
13401 Hoist test for excessive nesting to caller.
13402 (push_arg_context): Returns void; takes just reader and token.
13403 Do not call stringify_arg or get_raw_token.
13404 (get_raw_token): Convert tail recursion through push_arg_context
13405 to a loop at this level. Call stringify_arg here if appropriate.
13406 (maybe_paste_with_next): Convert tail recursion to a while loop.
13407 Hoist test of paste_level to caller.
13409 (stringify_arg): Push arg context at beginning.
13410 (cpp_get_token): Split out core into _cpp_get_token. Call
13411 process_directive here. Throw away CPP_PLACEMARKER tokens.
13412 (_cpp_get_token): Convert tail recursion through
13413 push_macro_context to a loop at this level.
13414 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13415 _cpp_get_raw_token): Use _cpp_get_token.
13416 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13417 not call pop_context.
13418 (_cpp_run_directive): Call lex_next directly.
13420 * cpphash.h: Prototype _cpp_get_token.
13421 * cppexp.c (lex): Use it.
13422 * cpphash.c (parse_define): Use it.
13423 * cpplib.c (get_define_node, do_undef, parse_include,
13424 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13425 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13426 parse_ifdef, validate_else): Use it.
13427 (cpp_push_buffer): Tweak error message; abort if anyone tries
13428 to push a buffer while macro expansions are stacked.
13430 2000-07-11 Donn Terry <donnte@microsoft.com>
13432 * cpplex.c (free_macro_args, save_token): Cast arg of free
13433 and/or xrealloc to PTR.
13434 (_cpp_init_input_buffer): Clear all fields of the base context.
13436 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
13438 * gensupport.c (process_rtx): Make rtl checking stop
13439 complaining about the define_insn while it is being
13440 converted from a define_insn_and_split.
13442 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
13444 * config/mips/mips.c (simple_memory_operand): Access the
13445 INTVAL of the address, not it's containing MEM.
13447 2000-07-11 Bruce Korb <bkorb@gnu.org>
13449 * fixinc/fixtests.c(double_slash): obsolete
13450 (else_endif_label): likewise
13451 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
13452 (libc1_ifdefd_memx): correct initial comment
13453 and omit the #if/#endif pair from the memxxx declarations
13454 * fixinc/fixincl.x: regen
13456 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13458 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
13460 2000-07-11 Neil Booth <NeilB@earthling.net>
13462 * cpp.texi: Update.
13464 2000-07-11 Neil Booth <NeilB@earthling.net>
13466 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
13467 (handle_option): Set digraphs according to standard.
13468 Merge OPT_lang_c89 handler with OPT_std_c89.
13470 * cpplex.c: (lex_line, can_paste): Honour digraphs in
13471 accordance with the digraphs flag.
13473 * cpplib.h: (struct cpp_options): New option digraphs.
13475 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
13476 Bruce Korb <bkorb@gnu.org>
13478 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
13479 * fixinc/fixincl.x: Regenerate.
13480 * fixinc/tests/base/testing.h: Add testcase.
13482 2000-07-10 Richard Henderson <rth@cygnus.com>
13484 * config/ia64/ia64.c (got_symbolic_operand): New.
13485 (symbolic_operand, move_operand): Revert 0701 change.
13486 * config/ia64/ia64.h (PREDICATE_CODES): Update.
13487 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
13488 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
13489 split the offset into a 14-bit low part instead of a 13-bit low part.
13490 (load_fptr): Mark the mem as unchanging.
13491 (load_symptr): Use got_symbolic_operand.
13493 2000-07-10 Nick Clifton <nickc@cygnus.com>
13495 * libgcc2.c (next_stack_level): Cast result of computation to
13496 (void **) so that the assignment does not generate a warning.
13498 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
13500 * flags.h : Add new variable flag_single_precision_constant.
13501 * toplev.c (display_help) : Add -fsingle-precision-constant option.
13502 (flag_single_precision_constant): New.
13503 * c-lex.c (yylex): Convert floating point constant to single
13504 precision constant.
13505 * invoke.texi : Add documentation for this new option.
13507 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13509 * diagnostic.c (output_octal): Second parameter is unsigned.
13510 (output_long_octal): Likewise.
13511 (output_hexadecimal): Likewise.
13512 (output_long_hexadecimal): Likewise.
13513 (output_format): Adjust arguments extraction. Tweak.
13514 (output_verbatim, verbatim): End variable argument list.
13515 (report_diagnostic): Improve documentation.
13517 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
13519 * c-common.h (build_stmt): Declare.
13520 (build_continue_stmt): Likewise.
13521 (build_break_stmt): Likewise.
13522 (build_return_stmt): Likewise.
13524 * c-decl.c (do_case): Rewrite to do what previously done in
13527 * c-semantics.c (build_stmt): Define.
13528 (build_return_stmt): Likewise.
13529 (build_break_stmt): Likewise.
13530 (build_continue_stmt): Likewise.
13531 (build_case_label): Likewise.
13533 * c-parse.in (BREAK): Change to build tree, then generate RTL.
13534 (CONTINUE): Likewise.
13535 (RETURN): Likewise.
13537 (DEFAULT): Likewise.
13539 * c-parse.y: Regenerate.
13540 * c-pasre.c: Likewise.
13542 2000-07-09 Jason Merrill <jason@redhat.com>
13544 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
13546 * tree.h (STRIP_NOPS): Check for error_mark_node.
13547 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
13548 (dwarf2out_*): Remove duplicate declarations.
13550 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
13551 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
13553 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13555 * diagnostic.c (wrap_text): New function.
13556 (maybe_wrap_text): Likewise.
13557 (output_add_string): Use it.
13558 (output_format): Likewise.
13559 (count_error): Use verbatim instead of notice.
13560 (report_error_function): Likewise. Don't use plain fprintf.
13561 (finish_diagnostic): New function.
13562 (output_do_verbatim): Tweak. Commonalize functionalities in
13563 output_verbatim and verbatim.
13564 (output_verbatim): Adjust.
13565 (verbatim): Likewise.
13566 (report_diagnostic): Define.
13568 * diagnostic.h (report_diagnostic): Prototype.
13570 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
13572 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
13574 2000-07-09 Neil Booth <NeilB@earthling.net>
13576 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
13577 IShspace, ISspace: Update.
13579 * cppinit.c: ISTABLE: Update.
13582 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
13583 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
13584 (skip_block_comment, skip_line_comment, parse_string,
13585 lex_line): Use is_vspace rather than IS_NEWLINE.
13586 (skip_whitespace, lex_line): Clean up to use is_nvspace.
13587 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
13589 (lex_next): Unconditionally stop if within a directive.
13590 Treat directives within macro invocations as directives
13591 (after parse_args emits error), not as the argument.
13593 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
13595 * diagnostic.c (diagnostic_args): New macro.
13596 (diagnostic_msg): Likewise.
13597 (output_formatted_integer): Likewise.
13598 (output_state): New data type.
13599 (digit_buffer): Make global.
13600 (output_add_integer): Rename to output_decimal. Squeeze
13602 (output_long_decimal, output_unsigned_decimal,
13603 output_long_unsigned_decimal, output_octal, output_long_octal,
13604 output_hexadecimal, output_long_hexadecimal): New functions.
13605 (output_append_r): New function.
13606 (output_append): Tweak.
13607 (output_flush_on): Rename to output_to_stream.
13608 (output_format): Change prototype. Improve documentation. Handle
13609 more format specifiers.
13610 (build_location_prefix): Rename to context_as_prefix.
13611 (output_notice): Rename to output_do_printf.
13612 (output_printf): Tweak.
13613 (line_wrapper_printf): Likewise.
13614 (vline_wrapper_message_with_location): Adjust call to renamed
13616 (v_message_with_decl): Likewise.
13617 (default_print_error_function): Likewise.
13618 (save_output_state): New function.
13619 (restore_output_state): Likewise.
13620 (output_do_verbatim): Likewise.
13621 (output_verbatim): Define.
13622 (verbatim): Likewise.
13624 * diagnostic.h (printer_fn): Change return type from void to int.
13625 Improve documentation.
13626 (output_add_integer): Rename to output_decimal.
13627 (output_flush_on, output_format): Don't export.
13628 (output_verbatim, verbatim): Declare.
13630 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
13632 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
13633 Check whether c divides op1 exactly if operation is not
13636 2000-07-08 Richard Henderson <rth@cygnus.com>
13638 * final.c (final): Do not abort when reg-stack introduces
13641 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
13643 * cpplib.h (struct cpp_name): Now struct cpp_string.
13644 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
13645 CPP_HEADER_NAME): Change to type S.
13646 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
13647 field, a cpp_hashnode *. All references to val.name updated
13648 to use val.str or val.node as appropriate.
13649 (struct cpp_reader): Add spec_nodes field.
13650 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
13652 * cpphash.h (struct spec_nodes): New.
13653 (enum spell_type): Reorder. Only SPELL_STRING tokens use
13654 val.str. All references to 'spelling > SPELL_NONE' updated to
13657 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
13658 pfile->buffer->inc are not NULL before dereferencing them.
13660 * cpplex.c (parse_name): Take a pointer to the current token,
13661 plus current position and limit as args; return the new
13662 position; don't copy the text of a name into the string
13663 buffer, instead call cpp_lookup and store the node pointer.
13664 If extending a token, copy out the text of the old into a
13665 scratch buffer, append the new, look that up and store the new
13666 node pointer. Inline.
13667 (maybe_paste_with_next): If the result of paste is a NAME,
13668 then look up the pasted text and store its node pointer.
13669 (lex_line): Adjust for new parse_name interface.
13670 Check for L"str", L'str' using spec_nodes->n_L.
13671 (spell_token): SPELL_IDENT tokens have their spelling in
13672 val.node->name. Handle SPELL_STRING tokens that don't have
13674 (_cpp_expand_name_space,
13675 (can_paste): Check for L ## "str" using spec_nodes->n_L.
13676 (cpp_get_token, special_symbol): No need to call cpp_lookup.
13677 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
13678 return 1=equal 0=not, not a tristate.
13680 * cpphash.c (var_args_str): Delete.
13681 (find_param): Compare node fields directly.
13682 (is__va_args__): Use CPP_PEDANTIC. Just compare
13683 token->val.node with spec_nodes->n__VA_ARGS__.
13684 (dump_funlike_macro): Don't use var_args_str.
13686 * cpplib.c (_cpp_check_directive): Just walk through
13687 spec_nodes->dirs comparing pointers.
13688 (get_define_node, do_pragma_poison, detect_if_not_defined,
13689 parse_ifdef): The identifier has already been looked up.
13690 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
13692 (do_if): Only call detect_if_not_defined at beginning of file.
13693 (_cpp_parse_assertion): Only copy string pointers for
13694 SPELL_STRING tokens.
13695 (pragma_dispatch): Take a node pointer and examine its name
13697 (_cpp_init_stacks): Also initialize the spec_nodes structure.
13699 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
13701 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
13702 reverse order from the corresponding _cpp_init_* routines.
13704 * cppexp.c (parse_number, parse_charconst, parse_defined,
13705 lex): Check val.node->type instead of calling cpp_defined.
13706 Use spec_nodes entries where appropriate.
13708 * fix-header.c, scan-decls.c: Update for interface changes.
13710 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
13712 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
13713 emitting aux_truncdfsf2.
13715 2000-07-03 Donn Terry (donnte@microsoft.com)
13717 * cppinit.c (print_help): split overlong line into ISO C89
13720 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13722 * cppexp.c: Update all code for new lexer interface.
13723 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
13724 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
13725 * cpplex.c (token_names): Trim leading CPP_ from names; make
13726 the strings unsigned.
13727 (_cpp_spell_operator): New.
13728 (is_macro_disabled): Disable all macros if rescanning
13730 (_cpp_get_directive_token): Remove.
13732 * cppinit.c: Don't set no_macro_expand.
13733 * cpplib.c (read_line_number, do_line): Check only for EOF,
13735 * cpphash.h: Update prototypes.
13736 * cpplib.h (CPP_VSPACE): Remove.
13737 (struct cpp_reader): Remove no_macro_expand.
13739 2000-07-08 Neil Booth <NeilB@earthling.net>
13741 * cpphash.c (is__va_args__): New function.
13742 (count_params): Fix line reported in error messages. Use
13743 is__va_args__. Don't return ')' on error. Flag GNU style
13744 rest args macro definitions.
13745 (parse_define): Check macro name is not __VA_ARGS__.
13746 (save_expansion): Check identifier in non-varargs-macro is
13747 not __VA_ARGS__. Don't flag GNU_VARARGS.
13748 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
13749 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
13750 than per-token GNU_VARARGS.
13751 * cpplib.h (GNU_VARARGS): Remove.
13752 (GNU_REST_ARGS): New.
13754 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13756 * i386.md (call_pop, call, call_value_pop): Do not set
13757 current_function_uses_pic_offset_table for calls to static
13758 functions or indirect calls.
13760 2000-07-07 Jim Wilson <wilson@cygnus.com>
13762 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
13763 is_predicate_reg, then take max write_count of register pair.
13765 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13767 * tradcpp.c (main): Rename label `include' to `add_include' to
13768 avoid conflicts with variable `include' in traditional C.
13770 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13772 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
13774 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13776 * sibcall.c (uses_addressof): Add INMEM argument, check for
13777 current_function_internal_arg_pointer outside of MEM rtxs in addition
13779 (sequence_uses_addressof): Update caller.
13781 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13783 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
13786 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13788 * system.h (UNION_INIT_ZERO): New macro for initializing union
13789 members in structs.
13791 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13793 2000-07-07 Neil Booth <NeilB@earthling.net>
13795 * cpp.texi: Update.
13797 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
13799 * final.c (final): Detect out of bounds array access to
13800 the insn_lengths array.
13802 2000-07-07 Kazu Hirata <kazu@hxi.com>
13804 * fold-const.c (fold): Fix a comment typo.
13806 2000-07-07 Neil Booth <NeilB@earthling.net>
13808 * cpp.texi: Update to new lexer.
13810 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13812 * tradcpp.c: New file.
13813 * tradcif.y: New file.
13814 * tradcif.c: New generated file.
13816 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
13817 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
13818 dependencies of C. Install tradcpp from install-common, in
13821 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13823 * cppinit.c: Include cppdefault.h. Refer to
13824 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
13825 to GCC_INCLUDE_DIR and its length.
13826 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
13827 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
13828 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
13830 (include_defaults_array): Move to cppdefault.c.
13832 * cppdefault.h: New file.
13833 * cppdefault.c: New file.
13835 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
13836 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
13837 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
13840 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13842 * reload.c (push_reload): When seeing if can reuse a register,
13843 check extra registers against widest of INMODE and OUTMODE.
13845 2000-07-06 Neil Booth <NeilB@earthling.net>
13847 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
13848 based on full length of predicate.
13850 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
13852 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
13853 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
13855 2000-07-05 Kazu Hirata <kazu@hxi.com>
13857 * h8300-proto.h: Fix formatting.
13858 * h8300.c: Likewise.
13859 * h8300.h: Likewise.
13861 2000-07-05 Jim Wilson <wilson@cygnus.com>
13863 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
13866 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
13868 * invoke.texi: Fix minor typos
13869 * md.texi: Fix minor typos
13871 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13873 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13875 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13877 * cpplex.c: Don't include sys/mman.h.
13878 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13880 * cpplib.c: Include sys/mman.h and obstack.h.
13881 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13883 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13884 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13885 bother freeing if stack entries (they will be freed with their buffer).
13886 (do_endif): Free if stack entries from the buffer obstack.
13887 (push_conditional): Allocate if stack entries from the buffer obstack.
13889 (find_answer): Rename to _cpp_find_answer.
13890 (do_assert, do_unassert): Update.
13892 * cpphash.h: Update prototypes.
13893 (xobnew): New convenience macro.
13894 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13896 (struct cpp_hashnode): Remove disabled field.
13898 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13899 (report_missing_guard): Moved to cppfiles.c.
13900 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13902 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13903 cpp_cleanup_includes. Don't destroy hashtab or
13904 all_include_files here.
13905 (cpp_finish): Use _cpp_report_missing_guards.
13907 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13908 (_cpp_init_include_table): Rename _cpp_init_includes.
13909 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
13911 * cppexp.c (parse_assertion): Update for new name of
13914 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13916 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13918 * cpplib.c (do_ident): s/VSPACE/EOF/
13920 2000-07-05 Neil Booth <NeilB@earthling.net>
13922 * cpplex.c: Fix trigraph replacement within strings.
13924 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13926 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13928 * xcoffout.c (assign_type_number): Constify.
13929 (xcoffout_source_file): Add static prototype. Don't needlessly
13930 cast away const-ness.
13932 2000-07-04 Jason Merrill <jason@redhat.com>
13934 * frame.h (frame_state): Move base_offset to end.
13936 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13938 * calls.c (emit_library_call_value_1): Revert previous change.
13940 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13942 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13943 (recognized_extern, recognized_function, read_scan_file):
13944 Update for new scheme.
13945 (check_protection): It's still a multiple include guard even
13946 if it doesn't always trigger.
13947 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13949 * scan.h: Declare struct cpp_token. Update prototypes.
13951 2000-07-03 Neil Booth <neilb@earthling.net>
13952 Zack Weinberg <zack@wolery.cumb.org>
13954 Complete overhaul of the lexer and macro expander.
13956 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13957 arg, arglist, argdata, reflist, collect_objlike_expansion,
13958 collect_funlike_expansion, collect_params,
13959 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13960 unsafe_chars, macarg, compare_defs, special_symbol,
13961 scan_arguments, stringify, funlike_macroexpand,
13962 _cpp_quote_string, monthnames): Delete.
13963 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13964 _cpp_create_definition, _cpp_dump_definition,
13965 dump_hash_helper): Adjust.
13966 (find_param, count_params, parse_define, var_args_str,
13967 check_macro_redefinition, save_expansion): New.
13969 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13970 parse_string, output_line_command, trigraph_replace,
13971 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13972 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13973 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13974 _cpp_skip_rest_of_line): Modify.
13976 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13977 find_position, null_warning, bump_column, expand_name_space,
13978 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13979 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13980 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13981 _cpp_prescan): Delete.
13983 (dump_param_spelling, process_directive, lex_next,
13984 is_macro_disabled, stringify_arg, expand_context_stack,
13985 output_token, make_string_token, alloc_number_token,
13986 special_symbol, duplicate_token, maybe_paste_with_next,
13987 can_paste, prevent_macro_expansion, restore_macro_expansion,
13988 get_temp_token, release_temp_tokens, quote_string,
13989 token_names, token_spellings, _cpp_expand_name_space,
13990 _cpp_glue_header_name, _cpp_reserve_name_space,
13991 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
13992 placemarker_token, eof_token, cpp_context, macro_args,
13993 get_raw_token, parse_arg, parse_args, save_token,
13994 push_arg_context, push_macro_context, pop_context,
13995 do_pop_context, free_macro_args, _cpp_get_line,
13996 _cpp_run_directive): New.
13998 * cpplib.c (validate_else, parse_include, push_conditional,
13999 pass_thru_directive, read_line_number, parse_ifdef,
14000 detect_if_not_defined, _cpp_check_directive, do_define,
14001 do_undef, do_include, do_import, do_include_next, do_error,
14002 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
14003 top_pragmas, do_pragma_gcc, do_pragma_implementation,
14004 do_pragma_poison, do_pragma_system_header,
14005 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
14006 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
14007 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
14008 cpp_defined): Update for new scheme.
14009 (strtoul_for_line, get_define_node, dump_macro_name,
14010 _cpp_check_linemarker, _cpp_parse_assertion): New.
14011 (_cpp_handle_directive, do_pragma_default): Delete.
14013 * cpphash.h (struct predicate): Now struct answer.
14014 (enum spell_type, struct token_spelling, struct directive,
14015 directive_handler): New.
14016 Update prototypes. Remove unused macros.
14017 * cpplib.h: Update prototypes. Remove unused macros,
14018 structure definitions, and fields.
14020 * cpperror.c (print_containing_files, v_message): Adjust.
14021 * cppexp.c (parse_assertion, lex, parse_escape,
14022 _cpp_parse_expr): Adjust.
14023 * cppfiles.c (open_include_file, _cpp_execute_include,
14024 _cpp_compare_file_date, cpp_read_file, read_include_file):
14026 * cppinit.c (dump_special_to_buffer): Delete.
14027 (append_include_chain, merge_include_chains, cpp_reader_init,
14028 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
14029 cpp_finish, handle_option, print_help): Adjust.
14030 * cppmain.c (main): Adjust.
14032 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14034 * cppspec.c (lang_specific_driver): Use double quotes in error
14037 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14039 * calls.c (emit_library_call_value_1): Use valreg instead
14040 of hard_libcall_value.
14042 2000-07-03 Geoff Keating <geoffk@cygnus.com>
14044 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
14045 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
14046 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
14054 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
14055 mode instead of wider_mode is being used.
14057 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14059 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
14060 of 'r'. Use q_regs_operand.
14061 (andsi_1+2): Use q_regs_operand.
14063 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14065 * builtins.c (get_memory_rtx): Always put into alias set 0.
14067 2000-07-03 Nick Clifton <nickc@cygnus.com>
14069 * config/arm/arm.md: Fix post increment and pre increment
14070 peepholes so that they do not generate UNPREDICATBLE opcodes.
14071 (ie ones where the increment clobbers the source/destination).
14073 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
14075 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
14076 change too big for -mtiny-stack" a warning, if larger than 63.
14077 (out_set_stack_ptr): Change the logic so -mno-interrupts is
14078 always safe to use on possible future devices.
14079 (function_prologue): Write SPH before SPL, for consistency.
14080 If interrupt_func_p true, we know we have enabled interrupts.
14081 (avr_num_arg_regs): New function. Round up to even number of
14082 bytes if no -mpack-args or if calling a libgcc function.
14083 (function_arg, function_arg_advance): Use it.
14084 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
14085 Output "movw" if available.
14086 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
14087 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
14088 (asm_output_section_name): Add blanks for consistent output.
14089 (encode_section_info): Set TREE_READONLY for progmem data to
14090 avoid gas warnings about changed section attributes.
14091 (avr_hard_regno_mode_ok): Force non-QImode data to start in
14092 even numbered registers on devices with "movw".
14093 * config/avr/avr.h (MASK_*): Define bits for target_flags.
14094 (TARGET_SWITCHES): Mark help strings for translation.
14095 Add new -mpack-args and -menhanced switches.
14096 (TARGET_OPTIONS): Mark help strings for translation.
14097 (progmem_section): Add section attributes.
14098 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
14099 Output "movw" if available.
14100 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
14102 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
14103 call convention (arguments aligned on even registers).
14104 (_cleanup, _exit): Make weak symbols libc can override.
14106 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14108 * fp-bit.h: New file.
14110 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
14111 Comment #endif statements.
14112 (__thenan_sf, __thenan_df): Add missing braces around initializer.
14114 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
14116 * gcse.c (compute_pre_data): Compute ae_kill using other local
14117 properties instead of calling compute_ae_kill.
14119 * alias.c (init_alias_analysis): Do not call
14120 prologue_epilogue_contains until after reload has completed.
14122 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
14124 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
14125 (genrtl_finish_compound_stmt): Likewise.
14126 (genrtl_compound_stmt): Change to return void.
14128 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
14129 move code from here to ...
14130 (genrtl_compound_stmt): ... here.
14131 (genrtl_finish_compound_stmt): Remove.
14132 (expand_stmt): Add comment.
14134 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
14136 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
14139 2000-07-02 Jakub Jelinek <jakub@redhat.com>
14141 * cpplib.h (struct cpp_reader): New field include_depth.
14142 (struct cpp_printer): Rename last_bsd to last_id.
14143 * cppfiles.c (read_include_file): Bump include_depth.
14144 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
14145 (output_line_command): Output correct #line if a header
14146 is including itself and is not protected against multiple inclusion.
14147 Use include_depth instead of buffer_stack_depth, last_id instead of
14149 * cppinit.c (cpp_start_read): Initialize last_id instead of
14152 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
14154 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
14155 (c-semantics.o): New target.
14157 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
14158 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
14159 (genrtl_clear_out_block): Likewise.
14160 (genrtl_goto_stmt): Likewise.
14161 (genrtl_expr_stmt): Likewise.
14162 (genrtl_decl_stmt): Likewise.
14163 (genrtl_if_stmt): Likewise.
14164 (genrtl_while_stmt): Likewise.
14165 (genrtl_do_stmt): Likewise.
14166 (genrtl_return_stmt): Likewise.
14167 (genrtl_for_stmt): Likewise.
14168 (genrtl_break_stmt): Likewise.
14169 (genrtl_continue_stmt): Likewise.
14170 (genrtl_scope_stmt): Likewise.
14171 (genrtl_switch_stmt): Likewise.
14172 (genrtl_case_label): Likewise.
14173 (genrtl_begin_compound_stmt): Likewise.
14174 (gerntl_finish_compound_stmt): Likewise.
14175 (genrtl_compound_stmt): Likewise.
14176 (genrtl_asm_stmt): Likewise.
14177 (genrtl_decl_cleanup): Likewise.
14178 (DECL_ANON_UNION_ELEMS): Likewise.
14179 (emit_local_var): Likewise.
14180 (make_rtl_for_local_static): Likewise.
14181 (expand_cond): Likewise.
14182 (expand_stmt): Likewise.
14183 (c_expand_return): Likewise.
14184 (c_expand_start_case): Likewise.
14185 (do_case): Likewise.
14186 (COMPOUND_STMT_NO_SCOPE): Likewise.
14187 (c_expand_asm_operands): Likewise.
14188 (NEW_FOR_SCOPE_P): New macro.
14189 (expand_expr_stmt_fn): New type.
14191 (set_current_function_name_declared): Likewise.
14192 (current_function_name_declared): Likewise.
14193 (lang_expand_stmt): Likewise.
14194 (stmts_are_full_exprs_p): Likewise.
14195 (anon_aggr_type_p): Likewise.
14196 (lang_expand_expr_stmt): Likewise.
14197 (build_case_label): Likewise.
14199 * c-decl.c (lang_expand_expr_stmt): Initialize.
14200 (stmts_are_full_exprs_p): Define.
14201 (current_function_name_declared): Likewise.
14202 (do_case): Likewise.
14203 (lang_expand_stmt): Likewise.
14204 (set_current_function_name_declared): Likewise.
14205 (anon_aggr_type_p): Likewise.
14207 * c-semantics.c: New file.
14208 (expand_cond): Moved from cp/semantics.c.
14209 (genrtl_do_pushlevel): Likewise.
14210 (genrtl_clear_out_block): Likewise.
14211 (genrtl_goto_stmt): Likewise.
14212 (genrtl_expr_stmt): Likewise.
14213 (genrtl_decl_stmt): Likewise.
14214 (genrtl_if_stmt): Likewise.
14215 (genrtl_while_stmt): Likewise.
14216 (genrtl_do_stmt): Likewise.
14217 (genrtl_return_stmt): Likewise.
14218 (genrtl_for_stmt): Likewise.
14219 (genrtl_break_stmt): Likewise.
14220 (genrtl_continue_stmt): Likewise.
14221 (genrtl_scope_stmt): Likewise.
14222 (genrtl_switch_stmt): Likewise.
14223 (genrtl_case_label): Likewise.
14224 (genrtl_begin_compound_stmt): Likewise.
14225 (genrtl_finish_compound_stmt): Likewise.
14226 (genrtl_compound_stmt): Likewise.
14227 (genrtl_asm_stmt): Likewise.
14228 (genrtl_decl_cleanup): Likewise.
14229 (make_rtl_for_local_static): Moved from cp/decl.c.
14230 (emit_local_var): Likewise.
14231 (expand_stmt): Define.
14233 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
14234 (c_expand_return): Likewise.
14235 (c_expand_start_case): Likewise.
14237 2000-07-01 Richard Henderson <rth@cygnus.com>
14239 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
14240 with the low 13 bits set.
14241 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
14242 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
14243 of the low 13 bits into a CONST plus an adddi3.
14244 (load_symptr): Set RTX_UNCHANGING_P.
14246 See ChangeLog.3 for earlier changes.