1 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
3 * gcc.c (cpp_options): Update to use '&'.
4 (struct switchstr): Change type of validated to save space.
6 (handle_braces, validate_switches): Update to handle '&'.
8 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
10 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
12 * fixinc/fixincl.x: regenerated.
14 2000-12-13 DJ Delorie <dj@redhat.com>
16 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
18 2000-12-13 Tom Tromey <tromey@redhat.com>
20 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
22 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
24 * function.c (assign_parms): Optimize incoming PARALLELs into
27 2000-12-13 Bruce Korb <bkorb@gnu.org>
29 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
30 that cannot handle bi-directional pipes, viz. BeOS and DOS.
31 * fixinc/fixlib.h(IGNORE_ARG): new macro
32 (STATIC): define for all of fixinc to use
33 * fixinc/fixfixes.c(*): eliminate unused arg warnings
34 * fixinc/fixtests.c(*): ditto
35 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
36 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
37 warning. Also, eliminate the ``#ifdef emacs'' stuff.
38 (re_syntax_options): make global as it is declared so.
39 * fixinc/mkfixinc.sh: process the argument list more consistently
40 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
41 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
42 * fixinc/server.c(globals): ditto
43 * fixinc/server.h(defines): ditto
45 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
47 * tradcpp.c (special_symbol): Improve test for definedness,
48 though it is still not perfect.
49 (do_define): Don't define illegal macro names.
51 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
53 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
54 if changing into .bss section.
55 * config/mips/elf64.h: same.
56 * config/mips/iris6.h: same.
57 * config/mips/netbsd.h: same.
58 * config/mips/openbsd.h: same.
60 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
62 * cppfiles.c (read_name_map): Return null if open () fails.
63 (remap_filename): Simplify logic. Add ICE if it doesn't work
64 as expected. Perform secondary lookup attempt on base filename
67 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
69 * flow.c (notice_stack_pointer_modification_1): Notice midifications
70 using PRE_MODIFY and POST_MODIFY.
72 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
74 * genoutput.c (process_template): Add sanity checking for '@' templates.
76 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
78 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
81 2000-12-12 Mike Stump <mrs@wrs.com>
83 * Makefile.in (distclean): Remove safe-ctype.c as well.
85 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
87 * tradcpp.c (do_error): Cast difference of pointers to int
90 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
92 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
93 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
95 2000-12-12 Jim Wilson <wilson@redhat.com>
97 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
99 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
101 * configure.in: Simplify language enabling/disabling code.
102 * configure: Rebuilt.
103 * ch/config-lang.in (target_libs): Set.
104 (build_by_default): Set to no.
105 * cp/config-lang.in (target_libs): Set.
106 * f/config-lang.in (target_libs): Set.
107 * java/config-lang.in (target_libs): Set.
108 * objc/config-lang.in (target_libs): Set.
110 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
112 * tradcpp.c (enum node_type): Add T_ERROR.
113 (do_error): New function.
114 (directive_table): Add #error handler.
116 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
118 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
120 * configure: Regenerated.
121 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
122 * config/rs6000/rs6000.c (rs6000_unique_section): Use
125 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
127 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
128 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
131 2000-12-11 Bruce Korb <bkorb@gnu.org>
133 * fixinc/fixincl.tpl: initialize all fields for warnings
134 * fixinc/fixincl.x: regenerate
136 2000-12-11 Neil Booth <neilb@earthling.net>
138 * tradcpp.h: For tradcpp, NUL is not whitespace.
140 2000-12-11 Neil Booth <neilb@earthling.net>
142 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
144 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
146 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
147 (compare_diff_p, compare_eq_p): Call compare_condition.
148 (out_tsthi, out_tstsi): Call compare_sign_p.
149 (avr_progmem_p): Check for error_mark_node.
151 2000-12-11 Neil Booth <neilb@earthling.net>
153 * cpperror.c (print_location): New function.
154 (print_containing_files): Simplify.
155 (_cpp_begin_message): Simplify and use print_location.
156 * cppfiles.c (stack_include_file): Update.
157 (_cpp_pop_file_buffer): Update.
158 * cpphash.h (struct cpp_buffer): New members
159 include_stack_listed and type.
160 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
161 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
162 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
163 handle_assertion): Update.
164 (cpp_push_buffer): Take a buffer type and file name.
165 (cpp_pop_buffer): Update. Clear include_stack_listed.
166 * cpplib.h (input_stack_listing_current): Remove.
167 (enum cpp_buffer_type): New.
168 (cpp_push_buffer): New prototype.
169 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
170 * fix-header.c (read_scan_file): Update.
172 2000-12-10 Robert Lipe <robertlipe@usa.net>
174 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
177 2000-12-10 Richard Henderson <rth@redhat.com>
179 * genrecog.c (find_operand): Handle 'V' format code.
180 (find_matching_operand): New.
181 (validate_pattern): Accept '=' for an in-out operand if there
182 is another operand with a matching constraint.
184 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
187 2000-12-10 Richard Henderson <rth@redhat.com>
189 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
191 2000-12-09 Richard Henderson <rth@redhat.com>
193 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
194 STRICT_LOW_PART as SET_DEST have in-out constraints.
196 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
198 * c-common.c (check_function_format): Don't suggest adding format
199 attributes to functions with no parameter to which to add them.
201 2000-12-09 Nick Clifton <nickc@redhat.com>
203 * config/arm/arm.c (arm_expand_prologue): Mark the generated
204 insn not the set as being DWARF2_FRAME_RELATED_P.
206 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
208 * Makefile.in: use $(build_exeext) for all build
209 system executable targets.
211 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
213 * install.texi: remove i[345]86-*-winnt3.5 section.
214 * configur.bat: removed.
215 * config/msdos: directory removed.
217 2000-12-09 Neil Booth <neilb@earthling.net>
219 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
220 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
221 * cpplex.c (parse_identifier): Improve diagnostic.
222 (_cpp_lex_token): Return unconditionally at the end of a directive.
223 * cpplib.c (read_flag): Verify legality of each flag.
224 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
225 (do_line): Use the new read_flag.
226 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
227 check_macro_redefinition, parse_params): Rename var_args to
230 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
232 * .cvsignore: Add info files.
234 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
236 * config/winnt: Remove obsolete directory.
237 * install.texi (Configurations): Remove obsolete documentation for
240 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
242 * configure.in: Don't define INSTALL_INFO.
243 * configure: Regenerate.
244 * Makefile.in (INSTALL_INFO): Remove.
245 (info): Depend on info files in source directory.
246 (cpp.info, gcc.info, c-tree.info): Build info files in source
248 (distclean): Don't remove info files.
249 (maintainer-clean): Remove info files from source directory.
250 (install-normal): Depend on install-info.
251 (install-info): Install info files from source directory, if they
253 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
255 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
257 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
258 before taking its NOTE_LINE_NUMBER.
260 2000-12-08 Nick Clifton <nickc@redhat.com>
262 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
264 * extend.texi: Document ARM "interrupt" function attribute.
265 Mention that the ARM also support the "naked" function
268 * config/arm/arm-protos.h (arm_current_func_type): Add
271 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
272 (struct machine_function): Add 'func_type' field.
273 Define bit values for 'func_type' field.
274 (ARM_FUNC_TYPE): New macro.
275 (IS_INTERRUPT): New macro.
276 (IS_VOLATILE): New macro.
277 (IS_NAKED): New macro.
278 (IS_NESTED): New macro.
279 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
281 * config/arm/arm.c (isr_attribute_args): New Structure. A
282 list of "interrupt" function attribute modifiers.
283 (arm_isr_value): New Function: Returns the type of the current
285 (arm_compute_func_type): New Function: Computes the type of
286 the current function.
287 (arm_current_func_type): New Function: Returns the type of the
289 (use_return_insn): Use arm_current_func_type.
290 (arm_valid_type_attribute_p): Accept "interrupt" function
292 (arm_comp_type_attributes): Check "interrupt" attributes.
293 (arm_valid_machine_decl): Accept "interrupt" function
295 (arm_function_ok_for_sibcall): Do not allow interrupt
296 functions to use sibcalls.
297 (arm_naked_function_p): Delete.
298 (print_multi_reg): Remove redundant parameter 'hat'.
299 (arm_compute_save_reg_mask): New Function: Compute a bit mask
300 of registers saved during the current function's prologue.
301 (output_arm_return_instruction): Use arm_current_func_type.
302 Generate return instruction when LR is not poppsed off the
304 (arm_volatile_func): Delete.
305 (output_arm_prologue): Use arm_current_func_type and
306 arm_compute_save_reg_mask.
307 Note presernce of interrupt functions.
308 (arm_output_epilogue): Use arm_current_func_type and
309 arm_compute_save_reg_mask.
310 (arm_expand_prologue): Use arm_current_func_type and
311 arm_compute_save_reg_mask.
312 (arm_init_machine_status): Initialise func_type field, if
314 (thumb_expand_prologue): Use arm_current_func_type.
315 (output_thumb_prologue): Use arm_current_func_type.
317 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
319 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
321 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
323 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
326 2000-12-07 Mike Stump <mrs@wrs.com>
328 * Makefile.in (distclean): Remove alloca.c hashtab.c.
330 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
332 * Makefile.in (HOST_RTL): Add safe-ctype.o.
333 (safe-ctype.o): New rule.
334 * system.h: Include safe-ctype.h, not ctype.h. No need to
337 * cpphash.h: Zap IStable and related macros. Define is_* in
338 terms of safe-ctype.h macros.
339 * cppinit.c: Delete the IStable and all related code.
341 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
342 is_space arrays. Delete initialize_char_syntax. Change all
343 references to the above arrays to use macros instead.
344 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
345 is_nvspace in terms of safe_ctype.h's macros.
346 * tradcif.y: is_idchar, is_idstart are macros not arrays.
348 * config/i370/i370.c, config/winnt/dirent.c,
349 config/winnt/fixinc-nt.c, config/winnt/ld.c:
350 Use uppercase ctype macros. If we included ctype.h,
351 include safe-ctype.h instead.
353 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
354 ISLOWER(c) before calling TOUPPER(c).
355 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
356 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
357 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
359 2000-12-07 DJ Delorie <dj@redhat.com>
361 * c-decl.c (grokdeclarator): preserve previous alignments when
362 rebuilding array types.
364 2000-12-07 Neil Booth <neilb@earthling.net>
366 * cppfiles.c (struct include_file): Move from cpphash.h.
367 (_cpp_never_reread): New function.
368 (open_file, read_include_file): Use it.
369 (stack_include_file): Set the buffer's sysp according to the
370 path in which the file was found.
371 (find_include_file): Don't set sysp.
372 (cpp_make_system_header, actual_directory): Update.
373 (_cpp_execute_include): Do #include_next lookup handling here,
374 not in cpplib.c. Use _cpp_never_reread.
375 * cpphash.h (struct_include_file): Remove.
376 (struct cpp_buffer): New member sysp.
377 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
378 (_cpp_never_reread): New.
379 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
380 (end_directive): Clear line_extension flag.
381 (_cpp_handle_directive): Set line_extension flag for #number.
382 (do_include_next): Handle path lookup in _cpp_execute_include.
383 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
384 (_cpp_do_file_change): Update.
385 (do_pragma_once): Use cpp_never_reread. Clean up.
386 * cpplib.h (struct lexer_state): New member line_extension.
388 2000-12-07 Richard Henderson <rth@redhat.com>
390 * flow.c (calculate_global_regs_live): Force the stack pointer live
391 after reload as well.
393 2000-12-07 Bruce Korb <bkorb@gnu.org>
395 * fixinc/Makefile.*(exeext): the variables are exeext, the
396 substitution expression is build_exeext.
398 2000-12-07 Neil Booth <neilb@earthling.net>
400 * c-common.c (parse_in): Make a cpp_reader *.
401 * cppfiles.c (_cpp_fake_include): Remove.
402 * cpphash.h: Similarly.
403 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
404 #line always creates a callback; FC_RENAME if there are no
406 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
407 The first EOF must be our get_char buffer.
409 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
411 * c-common.c (warn_format_security): New variable.
412 (check_format_info): Warn about non-literal formats with no format
413 arguments if either -Wformat-nonliteral or -Wformat-security is
415 (set_Wformat): Set warn_format_security for settings other than 1.
416 * c-common.h (warn_format_security): Declare.
417 * c-decl.c (c_decode_option): Decode -Wformat-security and
418 -Wno-format-security.
419 * invoke.texi: Document -Wformat-security.
420 * toplev.c (documented_lang_options): Include -Wformat-security
421 and -Wno-format-security.
423 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
425 * c-common.c (check_format_info): Warn for non-constant format
426 strings with strftime formats if -Wformat-nonliteral. Where the
427 format can convert arguments, if the format is not a string
428 literal and there are no arguments to the format, give a different
429 warning message from the general non-string-literal case.
431 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
433 * c-common.c (format_wanted_type): Add reading_from_flag.
434 (print_char_table): Mark %s and %S formats with flag "R".
435 (check_format_info_main): Set up reading_from_flag appropriately.
436 If aflag, always set writing_in_flag rather than relying on the
437 format used being a scanf format and so having it set.
438 (check_format_types): Check for formats reading through null
441 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
443 * invoke.texi (-Wformat): Document what format features are
446 2000-12-06 Kazu Hirata <kazu@hxi.com>
448 * config/h8300/h8300.h: Fix formatting.
450 2000-12-06 Joel Sherrill <joel@OARcorp.com>
452 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
453 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
454 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
455 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
456 config/h8300/rtems.h, config/mips/rtems.h: New files.
458 2000-12-06 Mark Kettenis <kettenis@gnu.org>
460 * config.gcc: Reorganize handling of *-*-gnu*, to share target
461 specific make details with Linux. Update comments to clarify
462 the distinction between GNU/Linux and GNU/Hurd.
464 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
466 * contrib.texi: Fix my email address. Update Per's
467 list of contributions.
469 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
471 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
472 * collect2.c (scan_libraries): Remove unused `ch'.
473 (COFF specific stuff): Prototype ldgetname. Declare and prototype
474 ldbtread and ldclose.
476 * config/alpha/osf.h: Standarize copyright statement.
477 * config/arc/arc.h: Likewise.
478 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
479 * config/arm/arm.c config/arm/arm.h: Likewise.
480 * config/elxsi/elxsi.h: Likewise.
481 * config/i386/sco.h: Likewise.
482 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
483 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
484 * config/m68k/sun3.h: Likewise.
485 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
486 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
487 * config/romp/romp.h: Likewise.
488 * config/rs6000/aix41.h: Likewise.
489 * config/sparc/sysv4.h: Likewise.
490 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
491 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
492 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
493 * longlong.h: Likewise.
494 * libgcc2.c: Likewise.
496 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
498 * machmode.def: Use correct definition for BITSIZE on targets where
501 2000-12-06 Bruce Korb <bkorb@gnu.org>
503 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
506 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
508 * pa.c: Include expr.h before c-tree.h.
509 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
510 instead of reverse_condition.
511 (print_operand): Correct predicates for GT, GE, LT and LE. Add
512 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
514 (cmpib_comparison_operator): Add GEU and LTU codes.
515 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
516 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
517 bordered): New float conditional branch patterns.
519 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
521 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
523 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
525 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
526 backslash and newline, when inside a comment.
528 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
530 * invoke.texi: Use @table @samp instead of @itemize @minus for
531 table of language standards. Fix use of @pxref. From Zack
532 Weinberg. Also exclude specs documentation from generated
533 manpage, and create separate ENVIRONMENT section.
535 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
537 * gcse.c (compute_pre_data): Kill trapping expressions in
538 destination blocks of abnormal edges.
540 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
542 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
543 (mn10300_get_live_callee_saved_regs): Likewise.
544 (mn10300_gen_multiple_store): Likewise.
545 (store_multiple_operation): Likewise.
546 (expand_prologue): Use mn10300_gen_multiple_store().
547 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
548 (mn10300_get_live_callee_saved_regs): Likewise.
549 (mn10300_gen_multiple_store): Likewise.
550 (store_multiple_operation): Likewise.
551 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
552 tied to store_multiple_operation().
554 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
556 * builtins.c (expand_builtin_setjmp_setup): Set
557 current_function_has_nonlocal_label.
559 2000-12-05 Neil Booth <neilb@earthling.net>
561 * cppfiles.c (stack_include_file): Push zero-length buffers
562 in case of failure. Return void, as we don't fail any more.
563 (read_include_file): Check for files we shouldn't re-read.
564 Don't return an error code; errors are implied by marking the
566 (_cpp_execute_include): Move the recursion and in-macro checks
567 here. Update for stack_include_file not failing.
568 * cpplib.c (cpp_push_buffer): Always succeed, since
569 _cpp_execute_include performs the recursion check. Tidy up.
570 * cpplib.h (cpp_push_buffer): Update prototype.
572 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
574 * sched-vis.c (visual_tbl_line_length): New variable.
575 (get_visual_tbl_length): Set it.
576 (visualize_stall_cycles): Don't let stalls overrun
577 visual_tbl_line_length.
579 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
581 * global.c (global_conflicts): Allow for a REG_UNUSED note
582 with a different mode to the REG set in the insn.
584 2000-12-05 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
586 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
588 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
590 2000-12-05 Bruce Korb <bkorb@gnu.org>
592 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
595 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
597 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
598 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
599 to cope with aliased copies.
600 * fixinc/fixincl.x: Regenerate.
602 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
604 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
605 * sched-rgn.c: Likewise.
606 (rgn_print_insn): Fix output.
608 2000-12-05 Bruce Korb <bkorb@gnu.org>
610 * fixinc/Makefile.*: make these more consistent
611 * fixinc/mkfixincl.sh: enable BeOS fixincludes
613 2000-12-05 Richard Henderson <rth@redhat.com>
615 * stmt.c (warn_if_unused_value): Move side effects test earlier.
617 2000-12-05 Alan Modra <alan@linuxcare.com.au>
619 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
622 2000-12-05 Richard Henderson <rth@redhat.com>
624 * flow.c (calculate_global_regs_live): Only force stack pointer
625 live before reload. Force pic register live before reload.
626 (insn_dead_p): Don't protect pic references from deletion.
628 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
630 * invoke.texi: Add support for using texi2pod.pl. Don't use
633 2000-12-04 Nick Clifton <nickc@redhat.com>
635 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
636 'tune_flags' for XScale nature.
637 Remove spurious test of HARD_FLOAT and XScale flags.
639 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
640 contraint, accidentally changed during XScale contribution.
642 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
643 not create these functions if the target architecture does not
644 support Thumb instructions.
646 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
648 * ONEWS: New file with the current contents of NEWS up to EGCS
650 * NEWS: Generate automatically from online release notes from EGCS
651 1.0 to GCC 2.95.2, using ../contrib/gennews.
653 2000-12-04 Neil Booth <neilb@earthling.net>
655 * tradcif.y: Move lexptr to top of file. Add rule to handle
656 assertions in conditional expressions.
657 * tradcpp.c (parse_answer): Assertions do not need to go to
658 end of line in conditional directives.
659 (parse_assertion): Get first character of identifiers correct.
660 (test_assertion): New function.
661 * tradcpp.h (test_assertion): New prototype.
663 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
665 * config.gcc: Fix typo for UnixWare 7.
667 2000-12-03 Phil Edwards <pme@sources.redhat.com>
669 * invoke.texi: Replace `pedwarns' with clearer text.
671 2000-12-04 Bruce Korb <bkorb@gnu.org>
673 * fixinc/Makefile.*(clean): don't clean autogenerated files.
674 (mainainer-clean): clean autogenerated files
676 2000-12-04 DJ Delorie <dj@redhat.com>
678 * md.texi: Add overview, clarify match_dup and define_expand.
680 2000-12-04 DJ Delorie <dj@redhat.com>
682 * print-tree.c (print_node): Target-specific builtins print
685 2000-12-04 Jason Merrill <jason@redhat.com>
687 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
690 * diagnostic.c (report_problematic_module): s/function/module/.
692 * c-lex.h: Remove decl for check_newline.
694 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
696 * README.APOLLO: Remove obsolete file.
698 2000-12-04 Neil Booth <neilb@earthling.net>
700 * cppinternals.texi: New file.
702 2000-12-04 Neil Booth <neilb@earthling.net>
704 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
705 and operate on current buffer.
706 (cpp_read_file): Rename _cpp_read_file.
707 * cpplib.c (do_line, do_pragma_system_header): Update calls to
708 cpp_make_system_header.
709 * fix-header.c: Similarly.
710 * cpphash.h (_cpp_read_file): Move from...
711 * cpplib.h: ... here.
712 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
714 2000-12-03 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
716 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
717 Handle another transformation.
719 2000-12-03 Nick Clifton <nickc@redhat.com>
721 * config.gcc: Add support for StrongARM targets.
722 * config/arm/t-strongarm-elf: New file.
723 * config/arm/t-strongarm-coff: New file.
724 * config/arm/t-strongarm-pe: New file.
725 * config/arm/strongarm-pe.h: New file.
727 2000-12-03 Nick Clifton <nickc@redhat.com>
729 * NEWS: Mention XScale has been added.
730 * config.gcc: Add support for XScale targets.
731 * config/arm/arm.h: Add support for XScale processor.
732 * config/arm/arm.c: Add support for XScale processor.
733 * config/arm/arm.md: Add support for XScale processor.
734 * config/arm/t-xscale-elf: New file.
735 * config/arm/t-xscale-coff: New file.
736 * config/arm/xscale-elf.h: New file.
737 * config/arm/xscale-coff.h: New file.
739 2000-12-03 Richard Henderson <rth@redhat.com>
741 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
742 unless exception handling is enabled, and if not using sjlj.
744 * builtins.c (expand_builtin_setjmp_setup): New.
745 (expand_builtin_setjmp_receiver): New.
746 (expand_builtin_setjmp): Split out _setup and _receiver functions.
747 Move argument parsing in from ...
748 (expand_builtin): ... here.
749 * except.c (receive_exception_label): Branch around receiver
750 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
751 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
752 * expr.h: Update builtin setjmp decls.
754 2000-12-03 Bruce Korb <bkorb@gcc.org>
756 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
757 build machine name. Default to the target.
759 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
761 * Makefile.in: use $(build_canonical), not $(canonical_build).
763 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
765 * Makefile.in (OBJS): Add sched-rgn.o.
766 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
768 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
769 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
770 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
771 MAX_BLOCKAGE_COST): Move to sched-int.h.
772 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
773 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
774 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
775 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
776 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
777 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
778 debug_regions, find_single_block_region, find_rgns, too_large,
779 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
780 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
781 extract_bitlst, bblst, struct candidate, candidate_table,
782 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
783 SRC_PROB, target_bb, split_edges, compute_trg_info,
784 debug_candidate, debug_candidates, bbset, bbset_size, dom,
785 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
786 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
787 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
788 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
789 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
790 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
791 update_live, set_spec_fed, is_pfree, find_conditional_protection,
792 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
793 is_prisky, is_exception_free, add_branch_dependences,
794 propagate_deps, compute_block_backward_dependences,
795 debug_dependencies, is_cfg_nonregular, build_control_flow,
796 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
797 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
798 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
799 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
800 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
801 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
802 rgn_rank, region_sched_info): Move to sched-rgn.c.
803 (debug_reg_vector): Delete useless function.
804 (get_bb_head_tail): Likewise.
805 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
806 no_real_insns_p, rm_line_notes, save_line_notes,
807 restore_line_notes, rm_redundant_line_notes, sched_init): No
809 (rm_line_notes, save_line_notes, restore_line_notes,
810 schedule_block, set_priorities): Change argument to be a real
811 basic block, not one of haifa's "bb"s. All callers changed
812 (rm_other_notes): Initialize note_list here, not in
814 (sched_finish): New function, called from schedule_insn. * *
815 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
816 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
817 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
818 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
819 (get_block_head_tail, no_real_insns_p, rm_line_notes,
820 save_line_notes, restore_line_notes, rm_redundant_line_notes,
821 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
822 sched_init, sched_finish, ready_add, insn_cost): Declare.
824 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
825 Bruce Korb <bkorb@gnu.org>
827 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
828 * fixinc/mkfixinc.sh: accept build system name as an argument.
829 Use it for choosing the fix build method. Use the target for
830 selecting special fix rules.
832 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
834 * Makefile.in (OBJS): Add sched-deps.o.
835 (sched-deps.o): New rule.
836 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
838 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
840 (SIZE_FOR_MODE): Delete unused macro.
841 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
842 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
843 anti_dependency_cache, output_dependency_cache,
844 forward_dependency_cache): Variables moved to sched-deps.c.
845 (add_dependence, remove_dependence, find_insn_list,
846 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
847 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
848 sched_analyze, group_leader, compute_forward_dependences,
849 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
850 Functions moved to sched-deps.c.
851 (schedule_region): Call init_deps_global and finish_deps_global
852 instead of directly manipulating dependency data structures.
853 * sched-deps.c: New file.
854 (init_deps_global, finish_deps_global): New functions.
855 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
858 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
861 * Makefile.in (OBJS): Add sched-vis.o.
862 (sched-vis.o): New rule.
863 * haifa-sched.c (get_unit_last_insn): New function.
864 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
866 (schedule_block): Call visualize_alloc and visualize_free. Delete
867 spurious return statement.
868 (init_target_units, insn_print_units, get_visual_tbl_length,
869 init_block_visualization, print_block_visualization, safe_concat,
870 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
871 print_exp, print_value, print_pattern, print_insn, target_units,
872 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
873 n_vis_no_unit, vis_no_unit): Move scheduling visualization
874 functions/variables...
875 * sched-vis.c: ...here. New file.
876 (visualize_alloc, visualize_free): New functions.
877 (visualize_scheduled_insns, visualize_stall_cycles,
878 print_block_visualization): Lose basic block argument. All callers
880 (visualize_scheduled_insns): Use new function get_unit_last_insn.
881 * sched-int.h (current_sched_info, sched_dump): Declare.
882 (init_target_units, insn_print_units, init_block_visualization,
883 print_block_visualization, visualize_scheduled_inns,
884 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
885 visualize_free): Declare functions.
887 * sched-int.h: New file.
888 * Makefile.in (haifa-sched.o): Depend on it.
889 * haifa-sched.c: Include it.
890 (no_real_insns_p): New function.
891 (current_sched_info): New static variable.
892 (__inline, HAIFA_INLINE): Moved to sched-int.h.
893 (get_block_head_tail): Minor cleanup.
894 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
895 rgn_print_insn, rgn_rank): New functions, broken out of
896 rank_for_schedule, schedule_insn and schedule_block, where they
897 are now called through function pointers in current_sched_info.
898 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
899 print_insn): To display uid and block number, call the print_insn
900 function pointer in current_schedule_info.
901 (region_sched_info): New static variable.
902 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
903 variables, moved out of schedule_block.
904 (schedule_block): Return void. All callers changed.
905 Move some of the setup code into schedule_region. Get head/tail
906 from current_sched_info, and update it when done.
907 (schedule_region): Slightly rearranged, some code moved here from
908 schedule_block. Call no_real_insns_p to avoid doing work for a
909 block that consists only of notes and labels.
910 (schedule_insns): Initialize current_sched_info.
912 2000-12-03 Neil Booth <neilb@earthling.net>
914 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
915 by contexts drops AFTER argument pre-expansion, so that they
916 remain enabled during argument pre-expansion.
917 (_cpp_pop_context): Unconditionally re-enable a macro when
918 dropping a context level.
920 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
922 * arm/t-linux (MULTILIB_OPTIONS): Comment.
923 (MULTILIB_DIRNAMES): Likewise.
924 (EXTRA_MULTILIB_PARTS): Likewise.
926 (INSTALL_LIBGCC): Likewise.
928 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
931 expand_builtin_strspn, expand_builtin_strcspn): New functions.
932 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
933 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
935 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
936 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
938 * c-common.c (c_common_nodes_and_builtins): Declare builtin
939 strcat, strncat, strspn and strcspn.
940 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
942 * extend.texi (strcat, strcspn, strncat, strspn): Document new
945 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
947 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
948 expanding strcmp at compile-time. Add another transformation.
949 (expand_builtin_strncmp): Add more transformations. Call
950 expand_builtin_memcmp, not expand_builtin_strcmp, under
951 appropriate conditions if HAVE_cmpstrsi.
953 2000-12-02 David Edelsohn <edelsohn@gnu.org>
955 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
957 (cr logic): Really make operands sequential.
959 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
961 * c-common.c (combine_strings): When the ISO C standard specifies
962 the maximum length of a string, it doesn't include the trailing
965 * cpplib.c (do_ifdef): Add check_eol() call.
966 (do_ifndef): Likewise.
968 2000-12-02 Daniel Berlin <dberlin@redhat.com>
969 Bruce Korb <bkorb@gnu.org>
971 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
972 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
973 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
974 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
975 use the "__need_" hackery. It breaks them.
976 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
977 Sometimes on DOS and BeOS the temp output file cannot be opened.
978 Skip the file noisily. Ought to be fixed instead.
980 2000-12-02 Bruce Korb <bkorb@gnu.org>
982 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * fixfixes.c (emit_gnu_type, format_write): Prototype.
985 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
986 custom uppercase ctype macros.
987 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
988 Use gcc's custom uppercase ctype macros.
990 (machine_matches): Add static prototype and constify variable.
991 (create_file, test_test, egrep_test): Add static prototype.
992 (quoted_file_exists): Likewise, and constify parameters.
993 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
994 write_replacement, test_for_changes): Add static prototype.
995 (write_replacement, test_for_changes): Delete excess argument to
997 * fixtests.c (test): Make static.
998 * server.c (load_data, sig_handler, server_setup, find_shell): Add
1000 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
1002 2000-12-02 Bruce Korb <bkorb@gnu.org>
1004 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
1005 (per Laurynas Biveinis <lauras@softhome.net>)
1007 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
1009 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
1011 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
1012 (REGNO_OK_FOR_FOR_BASE_P): Delete.
1013 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
1014 both strict and non-strict uses.
1015 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
1016 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
1017 (REG_OK_FOR_INDEX_P): Define in terms of above.
1018 (REG_OK_FOR_BASE_P): Delete.
1019 (REG_OK_FOR_PRE_POST_P): Delete.
1020 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
1021 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
1022 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
1023 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
1024 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
1025 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
1026 in pre/post increment cases.
1027 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
1028 (ARM_LEGITIMIZE_ADDRESS): Similarly.
1029 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
1030 * arm.c (legitimate_pic_address): Similarly.
1032 2000-12-02 Neil Booth <neilb@earthling.net>
1034 * tradcpp.c (struct answer, parse_assertion, parse_answer,
1035 canonicalize_text, find_answer): New.
1036 (do_assert, do_unassert): Provide appropriate function bodies.
1037 (union hashval): New member answers.
1039 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
1041 * config/avr/avr.md: Document UNSPEC usage.
1042 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
1043 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
1044 MEM for program memory word reference. Do not add the label to
1045 the table index in each of the asm output templates, instead ...
1046 (casesi): ... do it in RTL. Adjust to match the above change.
1048 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
1050 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
1051 * c-decl.c: ... not here.
1053 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
1054 (old_max_uid): New variable.
1055 (compute_forward_dependences): Renamed from
1056 compute_block_forward_dependences; changed to accept block head and
1057 tail instead of block number. Caller changed.
1058 (free_deps, init_dependency_caches, free_dependency_caches,
1059 init_regions, sched_init): New functions, split out from
1060 schedule_insns and compute_block_backward_dependences.
1062 2000-12-02 Neil Booth <neilb@earthling.net>
1064 * cppexp.c (parse_number): Update diagnostic test.
1066 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
1068 * reload1.c (free_for_value_p): New function, frontend to
1069 reload_reg_free_for_value_p. All callers of the latter now call
1070 this function with an additional mode argument.
1072 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1074 * install.texi (Configurations): Remove obsolete documentation for
1077 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1079 * install.texi (Installation): Remove obsolete description for
1080 libstdc++ which is now an integral part of GCC.
1082 2000-12-01 Jim Blandy <jimb@redhat.com>
1084 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
1085 invisible reference in registers, but then spilled to the stack.
1086 Remove code to emit a second stab for such parameters; it attempts
1087 to describe the value's location by introducing a synthetic C++
1088 `reference' type, and then saying the stack slot has that
1089 reference type. This loses type information (breaking GDB's
1090 `ptype' command, among other things) just to describe a location
1091 which stabs can represent correctly in other ways.
1093 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1095 * final.c (output_addr_const) <PLUS>: Don't assume at least one
1096 operand is a CONST_INT.
1098 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
1099 (machine_dependent_reorg): Split all insns.
1100 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
1101 reg_class_contents[SIBCALL_REGS].
1102 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
1103 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
1104 call_value_pcrel, call, call_value, sibcall): Match even when
1106 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
1108 (sibcalli): Likewise.
1110 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1112 * c-common.c (warn_format, warn_format_y2k,
1113 warn_format_extra_args, warn_format_nonliteral): Define.
1114 (check_format_info): Check warn_format_nonliteral and
1115 warn_format_extra_args.
1116 (check_format_info_main): Check warn_format_y2k.
1117 (set_Wformat): New function.
1118 * c-common.h (warn_format_y2k, warn_format_extra_args,
1119 warn_format_nonliteral, set_Wformat): Declare.
1120 * c-decl.c (warn_format): Remove definition.
1121 (c_decode_option): Handle -Wformat-nonliteral,
1122 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
1124 * invoke.texi: Document these new options and -Wformat=2.
1125 * toplev.c (documented_lang_options): Add these new options.
1127 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1129 * builtins.def (BUILT_IN_IMAXABS): Add.
1130 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
1131 * c-common.c (c_common_nodes_and_builtins): Create builtin
1132 functions __builtin_imaxabs, and plain imaxabs unless
1133 flag_no_nonansi_builtin outside C99 mode.
1134 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
1135 * extend.texi: Document builtin imaxabs.
1137 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1139 * c-common.c: Include "defaults.h".
1140 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
1141 (c_common_nodes_and_builtins): Create string_type_node,
1142 const_string_type_node, wint_type_node, intmax_type_node,
1143 uintmax_type_node, default_function_type, ptrdiff_type_node and
1144 unsigned_ptrdiff_type_node.
1145 * c-common.h (identifier_global_value): Declare.
1146 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
1147 (init_decl_processing): Don't create string_type_node,
1148 const_string_type_node, wint_type_node, intmax_type_node,
1149 uintmax_type_node, default_function_type, ptrdiff_type_node and
1150 unsigned_ptrdiff_type_node.
1151 (identifier_global_value): New function.
1153 2000-12-01 Neil Booth <neilb@earthling.net>
1155 * cppinit.c (initialize): Forgotten prototype.
1156 * cpplex.c (_cpp_lex_token): Loop until not skipping.
1157 Always clear PREV_WHITE upon meeting a new line.
1158 * cpplib.c (end_directive): Set pfile->skipping after
1160 * cpplib.h (cpp_reader): Remove macro_pos.
1161 * cppmacro.c (cpp_get_line): Don't do anything special inside
1163 (parse_arg): Add PREV_WHITE if a token appears after new lines.
1164 (funlike_invocation_p): Save and restore the output position
1165 over a successful check for a '('.
1166 (enter_macro_context): Delete uses of macro_pos.
1167 (cpp_get_token): Don't use pfile->skipping.
1169 2000-12-01 Phil Edwards <pme@sources.redhat.com>
1171 * diagnostic.c: Fix typos in comments.
1172 * diagnostic.h: Likewise.
1174 2000-11-30 Phil Edwards <pme@sources.redhat.com>
1176 * rtl.texi (Machine Modes): Document BImode and OImode.
1178 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1180 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
1183 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1185 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
1186 incomplete element type.
1187 (grokparms): Before checking for incomplete parameter type, check
1188 the type isn't error_mark_node.
1190 2000-12-01 Jakub Jelinek <jakub@redhat.com>
1192 * builtins.c (target_char_cast): New function.
1193 (expand_builtin_strchr): Use it.
1194 (expand_builtin_strrchr): Use it.
1195 (builtin_memset_read_str): New function.
1196 (expand_builtin_memset): Use target_char_cast.
1197 Try to optimize memset with second argument non-zero using
1200 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
1202 * install.texi (avr): Replace incomplete list of supported MCU
1203 types with a link to the current one ...
1204 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
1205 all supported MCU types. Document -minit-stack= default.
1206 Document new options -mno-tablejump, -mtiny-stack.
1207 * md.texi (AVR family): Fix typo in 'w' constraint letter
1208 description. Document 'q'. Update 'O'.
1210 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
1212 * combine.c (cant_combine_insn_p): Only disallow insns involving
1213 hard regs if they are reg-reg moves.
1214 (try_combine, can_combine_p, combinable_i3pat): Delete old
1215 SMALL_REGISTER_CLASSES tests.
1217 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1219 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
1220 whether X is a CONST_INT.
1221 (addsubcosts): Likewise.
1223 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
1225 (ARG_POINTER_REGNUM): Set to AP_REG.
1227 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1229 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
1230 splits): Only match on TARGET_SH4.
1232 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
1233 of subsequent insns.
1235 2000-11-30 Richard Henderson <rth@redhat.com>
1237 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
1238 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1240 2000-11-30 Richard Henderson <rth@redhat.com>
1242 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
1243 (DO_SELECT_SECTION): New.
1244 (SELECT_SECTION): Use it.
1245 (UNIQUE_SECTION_P): New.
1246 (UNIQUE_SECTION): New.
1248 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1250 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
1251 from va_list before using it.
1253 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
1255 * flow.c (make_edge): Early out, if no flags to set.
1256 (calculate_global_regs_live): Clear out garbage only when necessary.
1258 * simplify-rtx.c (varray_type used_regs): New.
1259 (clear_table): Use it to only clear necessary items.
1260 (cselib_lookup, cselib_record_set): Remember newly set items.
1261 (cselib_update_varray_sizes, cselib_init): Initialize and grow
1264 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
1265 Move clearing of dead regs out of insn-loop.
1267 2000-11-30 Richard Henderson <rth@redhat.com>
1269 * calls.c (expand_call): Emit queued insns before creating
1270 the tail recursion sequence.
1272 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
1273 Bruce Korb <bkorb@gnu.org>
1275 * fixinc/inclhack.def(): prevent dual double definition protection
1276 * fixinc/fixincl.x: regenerate
1278 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
1280 * fixinc/Makefile.in (fixincl.x): Explicitly state the
1281 location of the generated file.
1283 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1285 * README.FRESCO: Remove obsolete file.
1287 2000-11-30 Mark Kettenis <kettenis@gnu.org>
1289 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
1290 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
1291 config/t-linux for the Hurd.
1293 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1295 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
1296 config/mn10200/udivmodsi4.c: Moved from here.
1297 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
1298 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
1299 C division functions.
1300 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
1302 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
1304 * pa.md (conditional moves): Avoid holes in operand list.
1305 (mod, umod patterns): Similarly.
1306 (variable extract/shift patterns): Similarly.
1308 2000-11-30 Neil Booth <neilb@earthling.net>
1310 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
1311 maybe_objc_check_decl, build_objc_string_object,
1312 objc_declare_alias, objc_declare_class, build_message_expr,
1313 build_protocol_expr, build_selector_expr, build_encode_expr,
1314 get_class_ivars, start_class, start_protocol): Remove
1315 redundant code, assuming doing_objc_thang is true.
1317 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1319 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
1320 (record_unscaled_index_insn_codes): Likewise.
1321 (unscaled_index_insn_codes): Delete.
1322 (max_unscaled_index_insn_codes_uid): Delete.
1323 (output_function_prologue, output_function_epilogue, pa_reorg):
1324 Don't use the unscaled index insn hack.
1326 * pa.md: Remove hack from all index insns to reverse the operand
1327 order of frame and stack pointer references incorrectly created
1330 * function.h (emit_status): Delete member regno_pointer_flag and
1331 rename regno_pointer_flag_length to regno_pointer_align_length.
1332 Delete define for REGNO_POINTER_FLAG.
1333 * integrate.h (inline_remap): Delete member regno_pointer_flag.
1334 Add member x_regno_reg_rtx.
1335 * rtl.h (rtx_def): Use frame_related bit to indicate register is
1336 a pointer in REG expressions. Define REG_POINTER macro.
1337 * alias.c (find_base_value, find_base_term): Use REG_POINTER
1338 instead of REGNO_POINTER_FLAG.
1339 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
1340 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
1341 of regno_pointer_flag_length. Remove code which refers to
1343 (mark_reg_pointer): Use REG_POINTER.
1344 (free_emit_status): Remove code which refers to regno_pointer_flag.
1345 (init_emit, mark_emit_status): Likewise.
1346 * flow.c (dump_flow_info): Likewise.
1347 * function.c (preserve_temp_slots): Likewise.
1348 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
1349 Use x_regno_reg_rtx instead of regno_pointer_flag for function
1350 pointer determination in map.
1351 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
1352 * predict.c (estimate_probability): Likewise.
1353 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
1354 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
1355 regno_pointer_flag for function pointer determination in map.
1356 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
1358 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
1360 (restore_unscaled_index_insn_codes): Revise comment.
1362 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
1364 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
1366 * extend.texi: Update documentation for attributes.
1368 2000-11-29 David O'Brien <obrien@FreeBSD.org>
1370 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
1371 (ASM_DECLARE_OBJECT_NAME): Same.
1372 (ASM_FILE_END): Same.
1373 (ASM_FINISH_DECLARE_OBJECT): Same.
1374 (ASM_IDENTIFY_GCC): Same.
1375 (ASM_IDENTIFY_LANGUAGE): Same.
1376 (ASM_OUTPUT_CONSTRUCTOR): Same.
1377 (ASM_OUTPUT_DEF): Same.
1378 (ASM_OUTPUT_DESTRUCTOR): Same.
1379 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
1380 (ASM_OUTPUT_SECTION_NAME): Same.
1381 (ASM_WEAKEN_LABEL): Same.
1382 (BSS_SECTION_ASM_OP): Same.
1383 (COMMON_ASM_OP): Same.
1384 (CONST_SECTION_ASM_OP): Same.
1385 (CONST_SECTION_FUNCTION): Same.
1386 (CTORS_SECTION_ASM_OP): Same.
1387 (DTORS_SECTION_ASM_OP): Same.
1389 (FINI_SECTION_ASM_OP): Same.
1390 (IDENT_ASM_OP): Same.
1391 (IDENT_ASM_OP): Same.
1392 (INIT_SECTION_ASM_OP): Same.
1394 (MAX_OFILE_ALIGNMENT): Same.
1395 (SBSS_SECTION_ASM_OP): Same.
1396 (SDATA_SECTION_ASM_OP): Same.
1397 (SECTION_FUNCTION_TEMPLATE): Same.
1398 (SELECT_SECTION): Same.
1399 (SE_CONST_SECTION): Same.
1400 (SIZE_ASM_OP): Same.
1401 (SKIP_ASM_OP): Same.
1402 (STRING_ASM_OP): Same.
1403 (STRING_LIMIT): Same.
1404 (TYPE_ASM_OP): Same.
1405 (TYPE_OPERAND_FMT): Same.
1407 2000-11-29 Neil Booth <neilb@earthling.net>
1409 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1410 * objc/lang-options.h: Remove -lang-objc.
1411 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1412 * objc/objc-act.c (lang_init_options): Set c_language.
1414 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1416 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1419 2000-11-29 Neil Booth <neilb@earthling.net>
1421 * c-pragma.c (init_pragma): Update for parse_in type change.
1423 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1425 * configure.in: recognize DOS-style absolute paths.
1427 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1429 * expr.h (store_by_pieces): Add prototype.
1430 (can_store_by_pieces): Likewise.
1431 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1432 (can_store_by_pieces): New.
1433 (store_by_pieces): New.
1434 (clear_by_pieces): New.
1435 (clear_by_pieces_1): New.
1436 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1437 arbitrary compiler generated constants into memory block.
1438 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1439 * builtins.c (c_readstr): New.
1440 (builtin_memcpy_read_str): New.
1441 (expand_builtin_memcpy): If src is string constant and
1442 emit_block_move would move it by pieces, compute integer constants
1443 from the string and store it into memory block instead.
1444 (builtin_strncpy_read_str): New.
1445 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1446 not return INTEGER_CST, don't optimize.
1447 If N is larger than strlen(src) + 1, try to copy the string
1448 including padding with store_by_pieces.
1449 (expand_builtin_strcmp): If both arguments have side effects, don't
1451 (expand_builtin_fputs): If STR has side effects, don't optimize.
1453 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1455 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1456 Add use of link register.
1458 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1460 * extend.texi: Update documentation for default format attributes.
1462 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1464 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1465 a list, to keep track of the sections.
1467 2000-11-28 Nick Clifton <nickc@redhat.com>
1469 * config/arm/arm.md (pic_load_addr): Split into
1470 pic_load_addr_arm and pic_load_addr_thumb.
1472 * config/arm/arm.c (legitimize_pic_address): Generate either
1473 ARM or Thumb versions of pic_load_addr.
1474 (arm_finalize_pic): Generate either ARM or Thumb versions of
1477 2000-11-28 Richard Henderson <rth@redhat.com>
1479 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1480 after sibcall do_pending_stack_adjust.
1482 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1484 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1487 2000-11-28 Neil Booth <neilb@earthling.net>
1489 * c-common.h: Remove flag_digraphs.
1490 * c-decl.c: Remove flag_digraphs.
1491 (c_decode_option): Don't set it.
1492 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1494 2000-11-28 Richard Henderson <rth@redhat.com>
1496 * c-parse.in (finish_parse): Update for parse_in type change.
1499 2000-11-28 Neil Booth <neilb@earthling.net>
1501 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1502 indicating whether to scan all buffers on the stack or
1504 * cppinit.c (do_includes): Update.
1505 * cppmain.c (main): Update.
1506 * cpplib.h: Update prototype.
1508 2000-11-28 Richard Henderson <rth@redhat.com>
1510 * genoutput.c (validate_insn_operands): New.
1511 (gen_insn): Call it.
1513 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1514 (divmoddi_internal): Likewise.
1515 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1516 * config/i960/i960.md (branch patterns): Likewise.
1517 * config/ia64/ia64.md (tbit_and_0): Likewise.
1518 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1519 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1520 * config/mips/mips.md (divmodsi4_internal): Likewise.
1521 (divmoddi4_internal): Likewise.
1522 * config/rs6000/rs6000.md (call patterns): Likewise.
1523 * config/sh/sh.md (movsi_y): Likewise.
1524 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1526 2000-11-28 Richard Henderson <rth@redhat.com>
1528 * config.gcc: Kill residual pyramid support.
1530 2000-11-28 Neil Booth <neilb@earthling.net>
1532 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
1533 * c-decl.c (c_decode_option): Update to match.
1534 * c-lex.c (init_c_lex, yyparse): Update to match.
1535 * c-lang.c (lang_init_options): Use cpp_create_reader.
1536 * cppinit.c (cpp_init): Rename initialize.
1537 (cpp_reader_init): Rename cpp_create_reader. Create the
1538 reader. Initialize cpplib if appropriate.
1539 * cpplib.h (cpp_create_reader) New prototype.
1540 (cpp_init, cpp_reader_init): Delete prototypes.
1541 * cppmain.c (general_init, setup_callbacks): New functions.
1543 * fix-header.c (scan_in): Change type to cpp_reader *.
1544 (read_scan_file): Update for new cpplib interface and scan_in type.
1546 * cp/decl.c (parse_in): Change to cpp_reader *.
1547 (lang_decode_option): Update.
1548 * cp/lex.c (lang_init_options): Use new cpplib interface.
1549 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
1550 * cp/spew.c (read_token): Update.
1551 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
1553 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1555 * loop.c (load_mems): Avoid using next_label to find end_label. If
1556 jumping outside of the loop (other than loop end), don't hoist MEMs
1559 2000-11-28 Jan Hubicka <jh@suse.cz>
1561 * calls.c (expand_call): Don't disable tail recursion based
1564 2000-11-28 Neil Booth <neilb@earthling.net>
1566 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
1567 (struct directive): Drop 4th argument from handlers.
1568 (do_define, do_line, do_include, do_undef, do_else, do_elif,
1569 do_endif): Similarly.
1570 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
1571 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
1572 (make_definition, make_undef): Take a const char*.
1573 (make_assertion): New function.
1574 (struct directive_table): Update.
1575 (main): Handle -A command line argument.
1576 (handle_directive): Drop fourth handler argument.
1578 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
1580 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
1581 is anything but REG or MEM, but look inside STRICT_LOW_PART.
1583 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1585 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
1586 (IS_ABSOLUTE_PATHNAME): New macro.
1587 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
1589 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1591 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
1593 2000-11-27 Jim Wilson <wilson@redhat.com>
1595 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
1597 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
1599 * extend.texi (Nested Functions): Update URL of Usenix paper.
1601 2000-11-27 Mark Mitchell <mark@codesourcery.com>
1603 * function.c (free_after_compilation): Clear x_clobber_return_insn.
1605 2000-11-27 Neil Booth <neilb@earthling.net>
1607 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
1608 command line options.
1609 (cpp_handle_option): Similarly.
1610 * cpplib.h (struct cpp_options): Remove warn_paste.
1611 * cppmacro.c (paste_tokens): Apart from assembler, make
1612 unpasteable token warning mandatory.
1614 2000-11-27 Neil Booth <neilb@earthling.net>
1616 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
1617 (main): Allocate a pending directive set of these. Use it.
1618 Merge handling of -D and -U. Update handling of pending
1619 directives. Free the memory after use.
1621 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1623 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
1624 (struct propagate_block_info): Add new member cond_local_set.
1625 (propagate_block): Accept new arg cond_local_set. All callers
1627 (init_propagate_block_info): Likewise.
1628 (calculate_global_regs_live): Allocate & free cond_local_set. Always
1629 rescan if there's overlap between cond_local_set and new_live_at_end.
1630 (mark_set_1): Set bits either in cond_local_set or local_set, as
1632 * basic-block.h (struct basic_block_def): New field cond_local_set.
1633 (propagate_block, init_propagate_block_info): Update prototypes.
1635 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
1637 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
1640 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1642 * arm.c (select_dominance_cc_mode): Handle new way that combine
1643 canonicalizes conditional compares.
1644 (arm_select_cc_mode): Likewise.
1645 * arm.md: Garbage collect some dead code.
1646 (cmp_and, cmp_ior): New patterns.
1647 (splitter for conditional move with inverted false): Use cond_exec
1648 and handle unordered comparisons.
1650 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
1652 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
1653 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
1654 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
1655 ix86_force_to_memory and ix86_free_from_memory.
1657 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1659 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
1660 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
1661 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
1662 one_cmpldi2): Merge with splitters to create define_insn_and_split
1663 patterns. Remove redundant splits.
1664 (peephole2 for add:SI of invalid immediate): New.
1665 (peephole2 for minus:SI of invalid immediate): New.
1666 (peephole2 for ior:SI of invalid immediate): New.
1667 (peephole for merge of move and compare): Convert ot peephole2.
1668 (addsf3, adddf3): Mark as commutative.
1670 * arm.md (thumb peephole for merging stack adjustments): Convert to
1673 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1675 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
1677 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
1678 (reload_cse_simplify_operands): Do nothing about operands where both
1679 the operand and the match_operand fail to give us a mode.
1680 * simplify-rtx.c (wrap_constant): New function.
1681 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
1682 CONST describing the proper mode.
1683 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
1685 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
1686 htab_find_slot_with_hash.
1687 (cselib_lookup): Likewise.
1689 Based on a patch from Geoff Keating <geoffk@redhat.com>:
1690 * loop.c (basic_induction_var): If a REG is set from something
1691 that is not a biv, then the REG is not a biv. Even if it is
1692 earlier set from something that is a biv.
1694 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
1696 * configure.in (extra_objs): Enclose extra_headers in quotes.
1697 * configure: Rebuilt.
1699 2000-11-27 Neil Booth <neilb@earthling.net>
1701 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
1702 Combine into the new function cb_change_file.
1703 (init_c_lex): Update.
1704 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
1705 (cpp_syshdr_flags): Delete.
1706 * cpphash.h (_cpp_do_file_change): New prototype.
1707 Move struct cpp_buffer here from...
1708 * cpplib.h (struct cpp_buffer): ... here.
1709 (enum cpp_fc_reason, struct cpp_file_loc,
1710 struct_cpp_file_change, change_file): New.
1711 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
1712 * cpplib.c (do_line): Update for new cb_change_file callback.
1713 (_cpp_do_file_change): New function.
1714 (_cpp_pop_buffer): Update to use it.
1715 * cppmain.c (move_printer): Delete.
1716 (main): Set up single callback cb_change_file.
1717 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
1718 (cb_change_file): New.
1719 * fix-header.c (cur_file, cb_change_file): New.
1720 (recognized_function, read_scan_file): Update.
1721 * scan-decls.c (scan_decls): Update.
1722 * scan.h (recognized_function): Update prototype.
1724 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1726 * tree.h (mark_tree_hashtable): New function.
1727 * tree.c (mark_tree_hashtable_entry): New function.
1728 (mark_tree_hashtable): Likewise.
1730 2000-11-27 Michael Meissner <meissner@redhat.com>
1732 * d30v-protos.h (srelational_si_operator): Correctly spell
1734 (urelational_si_operator): Ditto.
1735 (relational_si_operator): Ditto.
1736 (d30v_expand_prologue): Add prototype.
1737 (d30v_expand_epilogue): Ditto.
1739 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
1741 * d30v.md (movcccc_*): Delete now unused patterns.
1742 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
1744 (define_cond_exec): Use 'b' to select branch flags.
1746 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1748 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
1750 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
1752 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
1754 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1755 strncpy and strncmp.
1757 * extend.texi (strncmp, strncpy): Document new builtins.
1759 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1761 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1762 a list, to keep track of the sections.
1763 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
1764 parameter provided will always be a canonical string.
1766 2000-11-26 Neil Booth <neilb@earthling.net>
1768 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
1771 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
1773 * makefile.vms: Remove EGCS references.
1775 2000-11-26 Ulrich Drepper <drepper@redhat.com>
1777 * dwarf2out.c (output_file_names): New function. Compute minimal
1778 combination of directory and file name table and emit them.
1779 (output_line_info): Remove code to emit directory and file name
1780 table and call output_file_names instead.
1781 (file_info_cmp): Helper function to sort directory names.
1783 2000-11-26 Neil Booth <neilb@earthling.net>
1785 * cpplib.h (struct cpp_reader): Remove lang_asm.
1786 (struct cpp_options): Remove c89. New members lang,
1788 * cppexp.c (parse_number): Use them.
1789 * cpphash.h (VALID_SIGN): Use them.
1790 * cppinit.c (set_lang, cpp_start_read): Update.
1791 * cpplex.c (parse_string, _cpp_lex_token): Update.
1792 * cpplib.c (_cpp_handle_directive): Update.
1793 * cppmacro.c (parse_args): Update.
1794 * cppmain.c (scan_buffer): Update.
1796 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1798 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
1801 2000-11-26 Neil Booth <neilb@earthling.net>
1803 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
1804 * c-decl.c: Remove parse_in declaration.
1805 * c-lang.c: Similarly.
1806 * c-lex.c: Similarly.
1807 * c-parse.in: Similarly.
1808 * c-pragma.c: Similarly.
1809 * configure.in: Similarly.
1810 * cp/Make-lang.in: Similarly.
1811 * cp/spew.c: Similarly.
1812 * cp/decl2.c: Remove check for lang-c++ option.
1813 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
1814 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
1815 * c-lex.h: Add declaration of parse_in.
1816 * cppinit.c: Call set_lang after allocating pfile->pending.
1817 * configure: Regenerate.
1819 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
1821 * combine.c (try_combine): Remove redundant test.
1823 2000-11-25 Richard Henderson <rth@redhat.com>
1825 * c-common.h (DECL_C_HARD_REGISTER): New.
1826 * c-decl.c (finish_decl): Set it for asm register variables.
1827 * c-semantics.c (emit_local_var): Test it when instantiating one.
1829 2000-11-25 Richard Henderson <rth@redhat.com>
1831 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
1832 lineno for the start of the function.
1834 2000-11-25 Richard Henderson <rth@redhat.com>
1836 * dwarf2out.c (file_table, file_table_allocated): Remove.
1837 (file_table_allocated): Remove.
1838 (struct file_table): New.
1839 (decl_file_table, line_file_table): New.
1840 (print_dwarf_line_table): Use them.
1841 (size_of_line_prolog): Likewise.
1842 (output_line_info): Likewise.
1843 (add_src_coords_attributes): Likewise.
1844 (gen_subprogram_die): Likewise.
1845 (gen_variable_die): Likewise.
1846 (dwarf2out_add_library_unit_info): Likewise.
1847 (dwarf2out_line): Likewise.
1848 (lookup_filename): Take a struct file_table argument.
1849 (init_file_table): New.
1850 (dwarf2out_init): Use it.
1852 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
1854 * invoke.texi: Update sequence points references.
1856 2000-11-25 Neil Booth <neilb@earthling.net>
1858 * c-common.c: Remove USE_CPPLIB conditional inclusions.
1859 * c-common.h: Similarly.
1860 * c-decl.c: Similarly.
1861 * c-lang.c: Similarly.
1862 * c-lex.c: Similarly.
1863 * c-parse.in: Similarly.
1864 * c-pragma.c: Similarly.
1865 * c-pragma.h: Similarly.
1867 * toplev.c: Similarly.
1868 * cp/cp-tree.h: Similarly.
1869 * cp/decl2.c: Similarly.
1870 * cp/lang-specs.h: Similarly.
1871 * cp/lex.c: Similarly.
1872 * cp/lex.h: Similarly.
1873 * cp/spew.c: Similarly.
1874 * java/lang-options.h: Similarly.
1875 * objc/lang-specs.h: Similarly.
1876 * objc/objc-act.c: Similarly.
1878 * configure.in: Remove configure option.
1879 * config.in: Regenerate.
1880 * configure: Regenerate.
1882 2000-11-25 Richard Henderson <rth@redhat.com>
1884 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
1885 Revert 2000-11-22 change.
1887 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
1889 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
1892 2000-11-25 Philipp Thomas <pthomas@suse.de>
1893 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
1894 * configure: Rebuilt.
1896 2000-11-25 Jakub Jelinek <jakub@redhat.com>
1898 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
1899 Handle CONST_INT as second argument.
1900 * config/sparc/sparc.c (set_extends): Remove first argument.
1901 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
1903 (sparc_check_64): Abort if first argument is not REG.
1904 If it is DImode REG, look at the lower register of the register
1907 * config/sparc/sparc.c (load_pic_register, restore_regs,
1908 output_return, sparc_v8plus_shift, sparc_function_profiler,
1909 sparc_function_block_profiler, sparc_block_profiler): Fix output
1912 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
1914 * config/sh/sh.h (TARGET_NONE): New.
1915 (TARGET_SWITCHES): For all variant-selecting switch, use
1916 TARGET_NONE to reset all other variant-selecting switch. Added
1917 empty strings to avoid warnings.
1918 (TARGET_DEFAULT): Set to SH1_BIT.
1920 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
1923 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
1924 (sibcall_pcrel): New insn_and_split.
1925 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1927 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
1928 symPLT_label2reg, call, call_value): Don't set
1929 current_function_uses_pic_offset_table.
1930 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
1931 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
1932 takes it into account.
1933 (FINALIZE_PIC): Delete, useless.
1934 (LEGITIMATE_CONSTANT_P): Delete, unused.
1935 * config/sh/sh.c (sh_expand_prologue): Don't use
1936 current_function_uses_pic_offset_table. Don't special-case
1937 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
1939 (sh_expand_epilogue, initial_elimination_offset): Don't
1940 special case PIC_OFFSET_TABLE_REGNUM.
1942 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
1944 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
1945 * config/sh/sh.md (UNSPEC_CALLER): New constant.
1946 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
1947 (call_pcrel, call_value_pcrel): New insn_and_splits.
1948 (call, call_value): Use them.
1949 (call_site): New expand.
1950 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
1951 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
1952 Output call_site label.
1953 (PREDICATE_CODES): Added symbol_ref_operand.
1954 * config/sh/sh.c (symbol_ref_operand): Define.
1955 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
1956 to CALL_INSNs in the split sequence.
1958 2000-11-24 Nick Clifton <nickc@redhat.com>
1960 * config.gcc (v850-*-*): Define c_target_objs and
1963 * config/v850/t-v850: Define how to build v850-c.o
1965 * config/v850/v850.h (struct data_area_stack_element): Move
1966 definition here from v850.c.
1968 * config/v850v850.c: Include gcc.h to avoid compile time
1970 (push_data_area): Move to v850-c.c.
1971 (pop_data_area): Move to v850-c.c.
1972 (mark_current_function_as_interrupt): Move to v850-c.c.
1973 (GHS_default_section_names): Allow to be exported.
1974 (GHS_current_section_names): Allow to be exported.
1975 (data_area_stack_elements): Allow to be exported.
1976 (ghs_pragma_section): Move to v850-c.c.
1977 (ghs_pragma_interrupt): Move to v850-c.c.
1978 (ghs_pragma_starttda): Move to v850-c.c.
1979 (ghs_pragma_startsda): Move to v850-c.c.
1980 (ghs_pragma_startzda): Move to v850-c.c.
1981 (ghs_pragma_endtda): Move to v850-c.c.
1982 (ghs_pragma_endsda): Move to v850-c.c.
1983 (ghs_pragma_endzda): Move to v850-c.c.
1985 * config/v850/v850-c.c: New file: Contains v850 specific
1986 pragma parsing functions.
1988 2000-11-24 Nick Clifton <nickc@redhat.com>
1990 * config.gcc (extra_objs): Remove duplicate description.
1991 (c_target_objs): New variable. Contains target specific
1992 object files for the gcc C compiler only.
1993 (cxx_target_objs): New variable. Contains target specific
1994 object files for the gxx C++ compiler only.
1996 * configure.in (c_target_objs): Substitute in the makefile.
1997 (cxx_target_objs): Substitute in the makefile.
1998 * configure: Regenerate.
2000 * Makefile.in (C_TARGET_OBJS): Define and initialise from
2002 (CXX_TARGET_OBJS): Define and initialise from
2004 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
2006 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
2008 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
2009 about how the use of the 'c_lex' function requires the use of
2010 the target specific, language specific object files feature of
2011 the configuration mechanism.
2013 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2015 * gcc.c (process_command): Use F_OK, not R_OK.
2017 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
2019 * flow.c (print_rtl_and_abort): Remove ANSIism.
2021 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
2023 * config/sh/sh.h (GENERAL_REGISTER_P,
2024 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
2025 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
2027 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
2028 * config/sh/sh.c: Use new macros.
2029 * config/sh/sh.md: Likewise.
2031 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
2033 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
2034 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
2037 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
2039 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
2041 (machine_dependent_reorg): Wrong optimization based on
2042 NOTICE_UPDATE_CC removed.
2044 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
2046 * jump.c (delete_computation): Re-instate deletion of feeding insn.
2047 (delete_insn): Look for REG_LABEL notes.
2048 (redirect_tablejump): Delete feeding insns.
2050 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
2052 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
2053 call_value_pop_1): Make sure operand numbers are contiguous.
2055 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
2057 * reload1.c (conflicts_with_override): New function.
2058 (emit_input_reload_insns): Use it to tighten test for validity
2059 of substituting into output of previous insn.
2061 * haifa-sched.c (struct ready_list): New.
2062 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
2064 (schedule_insn): Replace args READY and N_READY with a pointer to a
2065 ready_list; return void. Use the new functions to access the ready
2066 list. All callers changed.
2067 (queue_to_ready, debug_ready_list): Likewise.
2068 (schedule_block): Initialize a ready_list structure. Use new
2069 functions to access it.
2070 (max_priority): Remove unused variable.
2071 (schedule_insn): Don't set it.
2073 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
2075 * combine.c (cant_combine_insn_p): New function.
2076 (try_combine): Use it.
2078 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
2079 * c-common.c (c-obstack.c): Include "obstack.h".
2080 (struct reverse_tree): Delete.
2081 (reverse_list, reverse_max_depth): Delete.
2082 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
2083 (struct tlist, struct tlist_cache): New.
2084 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
2085 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
2086 warn_for_collisions, warn_for_collisions_1, new_tlist): New
2088 (verify_sequence_points): Rewritten.
2089 * fold-const.c (fold): Don't lose possibly important sequence
2090 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
2092 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
2094 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
2095 when reversing a register-to-register copy. Reversal now disabled
2096 when the previous instruction has a REG_EQUIV.
2098 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
2100 * c-parse.in (unary_expr): Move VA_ARG from here ...
2101 (primary): ... to here.
2103 2000-11-23 Graham Stott <grahams@redhat.com>
2105 * expr.c (store_constructor): If a field is non addressable and
2106 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
2108 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
2110 * flow.c (print_rtl_and_abort): New function.
2111 (verify_wide_reg, verify_local_live_at_start): Try to dump more
2112 information before aborting.
2114 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
2116 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
2117 is narrower than requested mode.
2118 (gen_highpart): Abort if register mode is narrower than
2121 2000-11-23 Graham Stott <grahams@redhat.com>
2123 * cse.c (cse_insn): Initialise all regcost variables.
2124 Fix a typo add missing '='.
2125 Only compare costs if there is a replacement insn.
2127 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
2129 * final.c (output_addr_const) [LABEL_REF]: Simplify.
2130 [MINUS]: Enclose non-CONST_INTs in parentheses.
2131 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
2132 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
2133 * varasm.c (decode_rtx_const) [CONST]: If it's not something
2134 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
2135 instead of abort()ing.
2136 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
2137 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
2138 formerly handled in output_pic_addr_const.
2139 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
2140 operands of MINUS in CONSTs so that decode_rtx_const() will
2143 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
2145 * config/sh/sh.md (mova_const): New pattern.
2146 (GOTaddr2picreg): Use it.
2147 * config/sh/sh.c (broken_move): Match it.
2148 (mova_p): Don't match it.
2149 (machine_dependent_reorg): Adjust it.
2151 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
2153 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
2154 Moved most register-number #defines...
2155 * config/sh/sh.md (define_constants): ... here. Use macros to
2156 refer to registers and unspecs.
2157 * config/sh/sh.c: Likewise.
2159 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
2161 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
2162 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
2163 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2164 (splay-tree.o, hash.o): Likewise.
2166 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
2167 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2168 (hashtab.o): Likewise.
2169 (gcov.o): Depend on $(CONFIG_H).
2170 * configure.in: #include insn-codes.h in tm.h.
2172 2000-11-22 Nick Clifton <nickc@redhat.com>
2174 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
2175 const char * to avoid a compile time warning.
2177 * config/arm/arm.md (define_constants): Define symbolic names for
2178 the link register, last integer register and the fake CC register.
2179 Update patterns to use these symbolic names.
2181 2000-11-22 Neil Booth <neilb@earthling.net>
2183 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
2184 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
2186 2000-11-22 Richard Henderson <rth@redhat.com>
2188 * haifa-sched.c (sched_analyze_1): Don't special-case calls
2189 for clobbering registers.
2190 (sched_analyze_2): Likewise.
2191 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
2193 2000-11-22 Chris Demetriou <cgd@sibyte.com>
2194 Neil Booth <neilb@earthling.net>
2196 * gcc.c (validate_switches): Validate multiple switches named
2197 in '|' (or) expressions in specs.
2198 (handle_braces): If more than 1 alternative in a '|' spec
2199 matches, call do_spec1 just once.
2201 2000-11-22 Michael Meissner <meissner@redhat.com>
2203 * d30v.h (TARGET_SWITCHES): Add documentation strings.
2204 (TARGET_OPTIONS): Ditto.
2205 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
2208 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
2210 * pa.c (hppa_encode_label): Account for addition of encoding
2211 character when allocating persistent space for the new label
2214 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
2216 * Makefile.in, config.gcc, configure.in: Expunge remaining
2217 traces of facility for running MD files through C preprocessor.
2219 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
2221 * gcov.texi: Add magic comments for texi2pod.pl.
2222 * Makefile.in: Add rules to generate and install gcov.1.
2223 * gcov.1: New (generated) file.
2225 2000-11-21 Richard Henderson <rth@redhat.com>
2227 * regrename.c (scan_rtx_reg): Terminate the chain rather than
2228 abort on mark_read with NO_REGS.
2230 2000-11-21 Mike Stump <mrs@wrs.com>
2232 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
2233 compilation with older compilers, such as /bin/cc on SunOS.
2234 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
2236 2000-11-21 Richard Henderson <rth@redhat.com>
2238 * varasm.c (record_constant): Pad the constructed
2239 constant_descriptor appropriately.
2241 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
2243 * rtl.h (traverse_md_constants): Declare.
2244 (struct md_constant): Define.
2245 * Makefile.in (HOST_RTL): Add hashtab.o .
2246 (OBJS): Add hashtab.o .
2247 (hashtab.o): New rule.
2248 (rtl.o): Depends on HASHTAB_H.
2249 * rtl.c (hashtab.h): #include.
2250 (md_constants): New static variable.
2251 (def_hash, def_name_eq_p, read_constants): New static functions.
2252 (traverse_md_constants): New function.
2253 (read_name): Do constant expansion.
2254 (read_rtx): Recognize define_constants.
2255 * gencodes.c (print_md_constant): New function.
2256 (main): Emit #defines for all constant definitions encountered.
2257 * md.texi (Constant Definitions): New node.
2258 * gensupport.c (xcalloc): New function.
2260 2000-11-21 Richard Henderson <rth@redhat.com>
2262 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
2263 * config/alpha/alpha-protos.h: Declare it.
2264 * config/alpha/alpha.md (abstf_internal): Use it.
2265 (negtf_internal): Likewise.
2266 (andnotdi3): Unstar the name.
2267 (movtf_internal): Add o/G alternative.
2269 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
2271 * stringpool.c (stringpool_statistics): Also report number and
2272 percentage of entries which are identifiers.
2274 2000-11-21 Diego Novillo <dnovillo@redhat.com>
2276 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
2277 visited before visiting it.
2279 2000-11-21 Nick Clifton <nickc@redhat.com>
2281 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
2282 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
2284 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
2286 2000-11-21 Richard Henderson <rth@redhat.com>
2288 * c-common.c (c_unsafe_for_reeval): New function.
2289 (add_c_tree_codes): Register it.
2290 * c-common.h: Declare it.
2291 * tree.c (lang_unsafe_for_reeval): New hook.
2292 (unsafe_for_reeval): Call it.
2293 * tree.h: Declare it.
2295 2000-11-21 Richard Henderson <rth@redhat.com>
2297 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
2300 2000-11-21 Neil Booth <neilb@earthling.net>
2302 * do_includes: Revert to using cpp_read_file.
2304 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
2306 * loop.c (consec_sets_giv): If the reg we're examining is anything
2307 but UNKNOWN_INDUCT, do nothing.
2308 Reset the reg's type to UNKNOWN_INDUCT before returning.
2310 Mostly from Vladimir Makarov (vmakarov@redhat.com)
2311 * ia64.md (attr itanium_class): Define insn types as described in
2313 (all insn patterns): Use itanium_class, not type attributes.
2314 Occasionally split alternatives as necessary.
2315 (attr type): Compute from new attr itanium_class.
2317 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * tradcpp.c (output_line_command): Mark system headers as such in
2322 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2324 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
2325 support in as as well.
2326 * configure: Regenerate.
2328 2000-11-20 Richard Henderson <rth@redhat.com>
2330 * c-lex.c (orig_filename): New variable.
2331 (init_c_lex): Set it. Move call to cpp_start_read ...
2332 (yyparse): ... here. New function.
2333 * c-parse.in (yyparse_1): Rename the parser entry point.
2334 * c-tree.h: Declare it.
2336 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2338 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
2339 integer constant, use type of op1 for comparison.
2341 2000-11-20 Stan Shebs <shebs@apple.com>
2343 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
2344 * config/rs6000/x-darwin: New file, Darwin host fragment.
2345 * config.gcc (powerpc-*-darwin*): New host.
2346 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
2347 overridden by a config file.
2349 2000-11-20 Neil Booth <neilb@earthling.net>
2351 * cppmacro.c (paste_tokens): Rename from paste_payloads.
2352 Change token type after pasting spellings.
2353 (paste_all_tokens): Use it.
2354 * gcc.dg/cpp/paste2.c: Update test.
2355 * objc/execute/paste.m: New test.
2357 2000-11-20 Richard Henderson <rth@redhat.com>
2359 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
2360 dwarf_subscr_data_formats bits.
2361 * dwarfout.c (simple_type_size_in_bits): Handle a type with
2362 no computed size as size zero.
2363 (field_byte_offset): Likewise.
2364 (subscript_data_attribute): Handle a range with no upper bound.
2366 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2368 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
2370 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2372 * c-typeck.c (build_conditional_expr): When merging type
2373 qualifiers for conditional expressions between a pointer and a
2374 pointer to a void type, merge the qualifiers on the target types
2375 rather than the pointer type. Remove obsolete conditioned out
2378 2000-11-20 Neil Booth <neilb@earthling.net>
2380 * c-lang.c (lang_init_options): Update call to
2382 * cppmain.c (main): Similarly.
2383 * fix-header.c (read_scan_file): Similarly.
2384 * cp/lex.c (lang_init_options): Similarly.
2385 * objc/objc-act.c (lang_init_options): Similarly.
2386 * cppexp.c (parse_number): Only warn for unextended C89.
2387 * cppinit.c (set_lang): New function.
2388 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2389 (COMMAND_LINE_OPTIONS): New option std=c++98.
2390 (cpp_handle_option): Use set_lang.
2391 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2392 * cppib.h (enum_c_lang): New enumeration. Update comments.
2394 2000-11-20 Will Cohen <wcohen@redhat.com>
2396 * calls.c (expand_call): Clear target only when target is in
2397 hard register and current_function_check_memory_usage is set.
2399 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2401 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2403 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2405 2000-11-19 Richard Henderson <rth@redhat.com>
2407 * crtstuff.c (force_to_data): Use array size 1 not 0.
2409 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2410 no computed size as size zero.
2411 (field_byte_offset): Likewise.
2413 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2415 * config.gcc: Fix another typo.
2417 2000-11-19 Richard Henderson <rth@redhat.com>
2419 * c-decl.c (grokdeclarator): Support flexible array members.
2420 Use open-ended ranges for these and zero-length arrays.
2421 * c-typeck.c (push_init_level): Validate the context of
2422 initialization of a zero-length array.
2423 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2424 * varasm.c (array_size_for_constructor): New.
2425 (output_constructor): Use it for arrays of unspecified length.
2426 * extend.texi (Zero Length): Mention C99 flexible array members.
2427 Document initialization in a top-level struct as valid.
2429 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2431 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2433 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2434 stdarg and varargs functions.
2436 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2438 * gcc.c (process_command): Define 'j' variable when
2439 MODIFY_TARGET_NAME is defined.
2441 2000-11-19 Richard Henderson <rth@redhat.com>
2443 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2445 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2447 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2448 calculation and allocation.
2450 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2452 * builtins.c (c_getstr): Constify variable.
2453 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2454 * conflict.c (const_conflict_graph_arc): New typedef.
2455 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2456 * cppmacro.c (builtin_macro): Likewise.
2457 * dwarf2out.c (output_comp_unit): Constify variable.
2458 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2459 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2460 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2462 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2463 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2464 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2465 compare_constant_1, record_constant_1): Constify.
2467 2000-11-18 Richard Henderson <rth@redhat.com>
2469 * c-decl.c (grokdeclarator): Special case the creation of an
2470 index for a zero-length array.
2471 * tree.c (build_index_type): Revert Oct 20 change.
2473 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2475 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2476 * config/avr/avr.c (jump_tables_size): New variable.
2477 (function_prologue): Initialize it as 0.
2478 (function_epilogue): Add it to function_size.
2479 (avr_output_addr_vec_elt): New function. Count words in jump
2480 tables in jump_tables_size. Move code ...
2481 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2482 Call avr_output_addr_vec_elt instead.
2483 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2485 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2487 * configure.in: Make --enable-new-gxx-abi the default.
2488 * configure: Likewise.
2490 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2492 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2494 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2495 Move extern function declarations to tradcpp.h.
2497 * tradcpp.c: Likewise.
2499 * tradcpp.h: New file.
2501 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2503 * c-decl.c (check_for_loop_decls): New function.
2504 * c-parse.in (for_init_stmt): New.
2505 (select_or_iter_stmt): Use for_init_stmt.
2506 * c-tree.h (check_for_loop_decls): New declaration.
2508 2000-11-18 Neil Booth <neilb@earthling.net>
2510 * cppinit.c: Update comments.
2511 (cpp_reader_init): Make -imacro and -include use the standard
2512 #include "" search path.
2513 (do_includes): New function.
2515 2000-11-18 Ben Elliston <bje@redhat.com>
2517 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2518 out of a branch delay slot.
2520 2000-11-17 Richard Henderson <rth@redhat.com>
2522 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2523 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2524 (ASM_FILE_START): Only write out ecoff .file directive if
2525 emitting mdebug debugging.
2527 2000-11-17 Richard Henderson <rth@redhat.com>
2529 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
2530 whether as accepts .file/.loc and produces dwarf2 line info.
2531 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
2532 the assembler supports it.
2533 * config.in, configure: Regenerate.
2535 2000-11-17 Richard Henderson <rth@redhat.com>
2537 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
2539 2000-11-17 Jim Wilson <wilson@redhat.com>
2541 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
2542 Don't clear need_barrier is next_insn is a CALL_INSN, or has
2543 instruction type B or UNKNOWN.
2545 2000-11-17 Neil Booth <neilb@earthling.net>
2547 * cpperror.c (print_file_and_line): Don't display line number if 0.
2549 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
2551 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
2552 digit_vector and digit_string.
2553 * stringpool.c (digit_vector): New.
2554 (ggc_alloc_string): Use digit_string.
2556 * stmt.c (digit_strings): Delete.
2557 (init_stmt): Do not initialize digit_strings.
2558 (expand_asm_operands): Use ggc.h's digit_string macro.
2559 * toplev.c (mark_file_stack): Delete.
2560 (compile_file): Don't call init_tree_codes.
2561 (main): No need to make the file stack a GC root.
2562 * tree.c (init_tree_codes): Delete.
2563 * tree.h (init_tree_codes): Delete.
2565 * c-lex.c: Don't include ggc.h.
2566 (mark_splay_tree_node, mark_splay_tree): Delete.
2567 (init_c_lex): No need to ggc_strdup string constant. Don't add
2568 file_info_tree to GGC roots.
2569 (cb_enter_file, cb_rename_file): No need to ggc_strdup
2572 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
2574 * dbxout.c (dbxout_init),
2575 dwarf2out.c (dwarf2out_line),
2576 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
2577 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
2578 xcoffout.c (xcoffout_source_file),
2579 i386.c (load_pic_register):
2580 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
2582 * except.c (create_rethrow_ref),
2583 profile.c (init_edge_profiler),
2584 toplev.c (compile_file),
2585 varasm.c (named_section, assemble_static_space,
2586 assemble_trampoline_template, output_constant_def, force_const_mem),
2587 i386.c (load_pic_register),
2588 ia64.c (ia64_encode_section_info),
2589 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
2590 rs6000_emit_prologue, rs6000_emit_epilogue),
2591 rs6000.md (load_toc_aix_si, load_toc_aix_di):
2592 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
2594 * profile.c (output_func_start_profiler),
2596 i386.c (load_pic_register): No need to ggc_strdup string constant.
2598 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2600 * Makefile.in (config.status): Depend on config.gcc.
2601 * configure.in <for machine in $build $host $target>: Move
2602 contents of loop into config.gcc, removing autoconf quoting.
2603 Fix changequote bug for alpha*-*-vxworks*.
2604 * configure: Regenerate.
2607 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2609 * c-parse.in (if_prefix): Find the filename and line number at
2610 $-2 and $-1 respectively.
2611 * diagnostic.c (error_recursion): Add missing newline, use
2612 fputs, translate string.
2614 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2616 * stringpool.c: New file.
2617 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
2618 (ggc_alloc_string): Now in stringpool.o.
2619 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
2620 * ggc.h: Delete prototype of ggc_add_string_root. #define
2621 ggc_add_string_root and ggc_mark_string to nothing. Prototype
2622 init_stringpool and stringpool_statistics.
2623 (ggc_alloc_string): Returns a const char *.
2624 * tree.c (hash_table, do_identifier_warnings): Delete.
2625 (init_obstacks): Don't initialize the identifier hash table.
2626 (get_identifier, maybe_get_identifier, start_identifier_warnings,
2627 set_identifier_size): Now in stringpool.c.
2628 * tree.h (struct tree_string): Constify pointer field.
2629 (approx_sqrt): Prototype.
2631 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
2633 * toplev.c (approx_sqrt): New function.
2634 (compile_file): Call stringpool_statistics if mem_report is on.
2635 (main): Call init_stringpool.
2637 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
2638 (process_directive), c-typeck.c (constructor_asmspec, struct
2639 initializer_stack, start_init), except.c (create_rethrow_ref),
2640 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
2641 (built_in_filename), varasm,c (in_named_name,
2642 assemble_static_space, struct constant_descriptor, struct
2643 deferred_string, struct pool_constant, force_const_mem),
2644 i386.c (pic_label_name, global_offset_table_name), rs6000.c
2645 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
2647 * c-common.c (combine_strings): Combine strings in scratch
2648 buffer, then pass to build_string.
2649 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
2650 output_func_start_profiler), stmt.c (init_stmt), alpha.c
2651 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
2652 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
2653 rs6000.c (rs6000_encode_section_info): Create string in
2654 scratch buffer, then pass to ggc_alloc_string.
2656 * stmt.c (expand_asm_operands): If we must adjust the
2657 constraint strings, do so by creating a new one, not by
2658 modifying the old one in place. Constify some char *s.
2659 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
2660 argument. Create string in scratch buffer, then pass to
2662 * config/pa/pa-protos.h: Update prototype.
2663 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
2664 hppa_encode_label takes only one argument.
2666 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2668 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
2671 * cpplib.c (glue_header_name): Likewise.
2673 * fixincl.c (run_compiles, start_fixer): Likewise.
2675 * fixlib.c (load_file_data): Likewise.
2677 * mkdeps.c (munge): Likewise.
2679 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2681 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
2682 trailing ';'. Fix formatting.
2684 2000-11-16 Jim Wilson <wilson@redhat.com>
2686 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
2687 Shift masks left by one to avoid conflict.
2689 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
2692 2000-11-16 Nick Clifton <nickc@redhat.com>
2694 * config/arm/arm.c (output_arm_prologue): Note nested functions.
2695 (arm_expand_prologue): For nested functions preserve the
2696 static chain register during stack frame creation.
2698 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
2699 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
2700 with a stack frame there is a 4 byte gap between the arg
2701 pointer and the hard frame pointer (used to preserve the
2702 static chain register during stack frame creation).
2704 2000-11-16 DJ Delorie <dj@redhat.com>
2706 * rtl.c (read_rtx): Provide suitable names for unnamed
2707 define_insn and define_insn_and_split patterns, based on file
2710 2000-11-15 Neil Booth <neilb@earthling.net>
2712 * cpplib.c (start_directive, end_directive): New functions.
2713 (_cpp_handle_directive, run_directive): Use them.
2714 (_cpp_handle_directive): Don't -Wtraditional on indented
2716 (_cpp_push_buffer): Don't re-clear was_skipping.
2717 * cpplib.h (struct cpp_reader): New member la_saved.
2718 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
2721 gcc.dg/cpp/_Pragma1.c: Update.
2722 gcc.dg/cpp/_Pragma2.c: New test.
2724 2000-11-15 Mark Mitchell <mark@codesourcery.com>
2726 * toplev.c (wrapup_global_declarations): Don't write out
2727 artificial static variables that aren't needed.
2729 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
2731 * ia64.c (struct group): New structure.
2732 (last_group): New static array.
2733 (group_idx): New static variable.
2734 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
2735 New static functions.
2736 (emit_insn_group_barriers): Initialize and keep track of group_idx
2738 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
2739 Replace all calls to emit_insn_after that emit a group barrier to use
2740 emit_group_barrier_after.
2741 * ia64.h (MASK_B_STEP): New.
2742 (other MASK_XXX macros): Renumbered.
2743 (TARGET_B_STEP): New.
2744 (TARGET_SWITCHES): Add -mb-step.
2746 2000-11-15 Fred Fish <fnf@be.com>
2748 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
2749 machines for which fixincludes is not needed.
2750 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
2752 2000-11-15 Jason Merrill <jason@redhat.com>
2754 * diagnostic.c (finish_abort): New fn.
2755 (fancy_abort, error_recursion): Use it.
2756 * toplev.c (crash_signal): Likewise.
2757 * diagnostic.h: Declare it.
2759 2000-11-13 Andrew Haley <aph@redhat.com>
2761 * tree.c (build_type_no_quals): New function.
2762 * tree.h (build_type_no_quals): Declare.
2763 * c-common.c (c_get_alias_set): When considering type
2764 compatibility for pointer types, ignore cv-qualifiers anywhere in
2767 2000-11-15 Graham Stott <grahams@redhat.com>
2769 * regrename.c (scan_rtx_rtx): Skip to the next chain on
2770 encountering a terminated chain.
2772 2000-11-14 Mark Mitchell <mark@codesourcery.com>
2774 * configure.in: Move check for V3 above check for C++ header-file
2776 * configure: Regenerated.
2778 2000-11-14 DJ Delorie <dj@redhat.com>
2780 * config/v850/v850.c: Remove obstacks.
2782 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
2784 * config/avr/avr.c (avr_case_values_threshold): New.
2785 (avr_override_options): Set it depending on options, make it large
2786 when not optimizing to work around "unable to generate reloads".
2788 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
2789 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
2790 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
2791 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
2792 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
2793 (avr_case_values_threshold): Declare as extern int.
2794 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
2796 * config/avr/avr.md (tablejump): Removed.
2797 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
2798 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
2799 index in the table, not multiplied by 2.
2800 (casesi): Change to match the above insns. Always enable.
2802 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
2803 Change to expect the word address of the table, multiply it by 2
2804 here and not in the caller. Change "adiw" to faster "inc".
2806 2000-11-14 Neil Booth <neilb@earthling.net>
2808 * cppexp.c (parse_defined): Call cpp_get_token not
2811 * cpplex.c (cpp_output_line): Similarly.
2812 * cpplib.c (glue_header_name, do_line, do_ident,
2813 parse_answer, parse_assertion): Similarly.
2814 (_cpp_handle_diretive): Don't save to lookaheads
2815 when processing directives.
2816 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
2818 (funlike_invocation_p): Don't save to lookaheads
2819 when pre-expanding arguments.
2820 (_cpp_get_token): Delete.
2821 (cpp_get_token): Merge contents of _cpp_get_token.
2823 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2825 * builtins.c (expand_builtin_setjmp): Set
2826 current_function_calls_setjmp.
2827 (expand_builtin_longjmp): Set current_function_calls_longjmp.
2829 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
2830 (do_builtin_setjmp_setup): New insn.
2832 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2834 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
2835 (int_fits_type_p): For variable bounds, call force_fit_type.
2837 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2839 * varasm.c (struct deferred_string): New structure.
2840 (const_str_htab): New variable.
2841 (STRHASH): New macro.
2842 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
2843 constr_str_htab_eq, const_str_htab_del): New functions.
2844 (output_constant_def): Add DEFER argument, defer string
2845 constants until mark_constant_pool time if requested.
2846 (mark_constant_pool): Walk the insn chain even if const_str_htab is
2848 (mark_constants): If a SYMBOL_REF for deferred string is found,
2849 output it and remove from hash table.
2850 (output_addressed_constants): Set DEFER to 0 in call to
2851 output_constant_def.
2852 * rtl.h (STRING_POOL_ADDRESS_P): Define.
2853 (output_constant_def): Adjust prototype.
2854 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
2856 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
2858 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
2859 signed types if flag_trapv.
2861 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
2863 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
2866 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
2868 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
2870 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2872 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
2873 to array of pool_constnat pointers.
2874 (struct pool_constant): Add next_sym and label members.
2875 (struct pool_sym): Remove.
2876 (init_varasm_status): Change pool_sym into pool_constant.
2877 (mark_pool_constant): Mark pc->label string as well.
2878 (mark_pool_sym_hash_table): Remove.
2879 (mark_varasm_status): Remove it from caller as well.
2880 (free_varasm_status): Don't free pool_sym structures.
2881 (force_const_mem): Don't allocate pool_sym structure, instead
2882 fill pool->label and chain it into rtx_sym hash table.
2883 (find_pool_constant, mark_constant_pool): Use pool_constant instead
2886 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2888 * reload1.c (emit_input_reload_insns): Honour forcing of constants
2889 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
2891 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
2893 * dominance.c: New file.
2894 * Makefile.in (OBJS): Add dominance.o.
2896 * flow.c (compute_flow_dominators): Remove.
2897 (compute_immediate_dominators): Remove.
2898 (compute_immediate_postdominators): Remove.
2899 * basic-block.h: Remove their prototypes.
2900 (calculate_dominance_info): Add prototype.
2902 * dce.c (eliminate_dead_code): Change calls to above functions.
2903 Don't compute dominators but only immediate dominators.
2904 * flow.c (flow_loops_find): Change callers.
2905 * gcse.c (compute_code_hoist_data): Likewise.
2906 * haifa-sched.c (schedule_insns): Likewise.
2907 * ifcvt.c (if_convert): Likewise.
2908 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
2911 2000-11-14 Richard Henderson <rth@redhat.com>
2913 * stmt.c (warn_if_unused_value): Don't warn if the expression
2916 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
2917 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
2919 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2921 * loop.c (basic_induction_var): Revert accidental checkin.
2923 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
2925 * c-lex.c (cb_leave_file): Harmonize conditions and order of
2926 statements to those of process_directive for (action == act_pop).
2928 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
2930 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
2933 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2935 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
2938 2000-11-13 Neil Booth <neilb@earthling.net>
2940 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
2941 cases return without MI check.
2942 * cpplib.c (do_diagnostic): Take boolean of whether to
2943 print the directive name.
2944 (do_error, do_warning): Update.
2945 (do_pragma_dependency): Use it.
2946 * cpplib.h (VARARGS_FIRST): Delete.
2947 (struct cpp_token): Delete integer.
2948 * cppmacro.c (enter_macro_context): Move disabled check
2950 (_cpp_get_token): Simplify into a single loop.
2952 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2954 * configure.in: Use 'test -f' not '[ -e'.
2955 * configure: Regenerated.
2957 2000-11-13 DJ Delorie <dj@redhat.com>
2959 * config/mn10300/mn10300.md (store_movm): Note which registers are
2960 really used or clobbered.
2962 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2964 * c-parse.in (ends_in_label): Remove from %union and %type.
2965 (decls, stmts, lineno_stmt_or_labels, xstmts,
2966 lineno_stmt_or_label, stmt_or_label): Remove.
2967 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2968 lineno_stmt_decl_or_labels_ending_decl,
2969 lineno_stmt_decl_or_labels_ending_label,
2970 lineno_stmt_decl_or_labels_ending_error,
2971 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2972 lineno_stmt, lineno_label): New.
2973 (compstmt_nostart): Use compstmt_contents_nonempty.
2975 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2977 * c-common.c (boolean_increment): New function.
2978 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2979 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2980 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2981 (boolean_increment): Declare.
2982 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2983 * c-decl.c (init_decl_processing): Create boolean nodes.
2984 (finish_struct): Allow for _Bool bitfields.
2985 * c-parse.in (reswords): Add _Bool.
2986 (rid_to_yy): Allow for RID_BOOL.
2987 * c-typeck.c (default_conversion): Make booleans promote to int.
2988 (convert_arguments, build_unary_op, build_modify_expr,
2989 convert_for_assignment): Allow for booleans.
2990 * ginclude/stdbool.h: Make conforming to C99.
2992 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2994 * c-parse.in (c99_block_start, c99_block_end,
2995 c99_block_lineno_labeled_stmt): New.
2996 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2997 (stmt): Split off selection and iteration statements into...
2998 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
3000 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3002 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
3005 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
3007 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
3008 Rewrite to avoid use of match_dup. Don't try to tie registers that
3009 are not in the same mode.
3011 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3013 * invoke.texi: Update lists of languages and suffixes supported.
3015 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3017 * configure.in: Take toplevel configure arguments from the
3018 environment to create configargs.h and substitute
3019 gcc_config_arguments, taking account of any existing configargs.h
3021 * configure: Regenerate.
3022 * gccbug.in: Include toplevel configure arguments in gccbug.
3024 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
3026 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
3027 union to make it well-aligned. Update all uses.
3029 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3031 * c-parse.in (initelt): Give appropriate pedantic warnings,
3032 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
3034 (designator): If pedantic, pedwarn for a designator specifying a
3036 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
3038 * extend.texi: Document the C99 syntax as the preferred syntax,
3039 and the pre-2.5 syntax as obsolete. Mention use of designator
3040 lists for nested subobjects.
3042 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
3044 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
3045 Add ATTRIBUTE_PRINTF.
3046 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
3047 Add ATTRIBUTE_PRINTF*.
3049 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3051 * function.c (assign_parms): When calling put_var_into_stack, make
3052 sure that there are no hidden pending sequences.
3054 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3056 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
3057 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
3060 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
3062 * c-common.c (c_common_nodes_and_builtins): Declare index and
3063 rindex when nonansi builtins are allowed.
3065 * extend.texi (index, rindex): Document new builtins.
3067 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3069 * configure.in: Turn on libstdc++ V3 by default.
3070 * configure: Regenerated.
3072 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
3074 2000-11-12 Jakub Jelinek <jakub@redhat.com>
3076 * reload1.c (set_label_offsets): Go inside of PARALLELs.
3078 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
3080 * invoke.texi: Clean up option summary.
3082 2000-11-12 Nick Clifton <nickc@redhat.com>
3084 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
3085 of #include headers.
3087 2000-11-12 Marc Espie <espie@openbsd.org>
3089 * configure.in: Fix filds test.
3092 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3094 * jump.c (delete_computation): Don't assume that just becuase an
3095 instruction sets a register, that register is dead.
3097 2000-11-12 Neil Booth <neilb@earthling.net>
3099 * cppexp.c: Don't worry about pfile->skipping.
3100 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
3101 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
3102 for handled directives.
3103 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
3104 and releasing lookaheads.
3105 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
3106 (do_else, do_elif, push_conditional): Update logic.
3107 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
3108 (unwind_if_stack): Inline into cpp_pop_buffer.
3109 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
3110 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
3111 multiple-include optimisation.
3112 * cpplib.h (struct cpp_buffer): New member was_skipping.
3113 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
3114 works because skipping == 0 in directives.
3115 (_cpp_release_lookahead): Renamed from release_lookahead.
3116 (cpp_get_token): No need to check skipping as _cpp_get_token does
3117 this for us. No need to handle MI optimisation.
3119 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
3121 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
3122 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
3123 * fixinc/fixincl.x: Regenerated.
3125 2000-11-11 Bruce Korb <bkorb@gnu.org>
3127 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
3128 (avoid_wchar_t_type): ditto
3129 * fixinc/fixinc.irix: obsoleted
3131 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
3133 * configure.in: Don't add $outputs to all_lang_makefiles. Add
3134 $srcdir/$s/Makefile.in if it exists.
3135 * configure: Regenerate.
3137 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
3139 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
3141 2000-11-11 Jason Merrill <jason@redhat.com>
3143 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
3144 give the parm a register and then call put_var_into_stack.
3145 * stmt.c (expand_decl): Likewise.
3147 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3149 * gcc.texi: Adjust wording.
3151 2000-11-11 Mark Mitchell <mark@codesourcery.com>
3153 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
3154 * fininc/fixincl.x: Regenerated.
3156 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3158 * invoke.texi: Correct spelling of -foptimize-register-move.
3160 2000-11-11 Neil Booth <neilb@earthling.net>
3162 Remove CPP_PLACEMARKERs.
3164 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
3165 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
3166 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
3168 * cpplib.h: Remove CPP_PLACEMARKER.
3169 (struct lexer_state): Rename skip_newlines to next_bol.
3170 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
3171 Simplify prev_white handling as a result.
3172 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
3173 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
3174 (parse_args): Similarly. Update argument count tests.
3175 (enter_macro_context): Return 2 to indicate an empty macro.
3176 (replace_args): Don't bother pre-expanding an empty argument.
3177 Handle placemarkers and ## extension during pre-expansion.
3178 (cpp_get_token): Handle empty macro expansions. Don't worry
3179 about CPP_PLACEMARKERs.
3180 (_cpp_create_definition): Empty macros are now empty.
3181 (cpp_macro_defintion): Don't special case empty macros.
3182 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
3183 * c-lex.c: Similarly.
3185 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3187 * gcc.texi, invoke.texi: Add new section discussing language
3188 standards; link to it where appropriate; refer to ISO C instead of
3191 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
3193 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
3196 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
3199 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3201 * gcc.texi, gcov.texi: Update dates and version numbers.
3203 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
3205 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
3206 flex and bison, specifically, first in a unified build and
3207 then installed on the system.
3208 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
3209 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
3212 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
3213 cppdefault.o): Remove pointless sed munging of source file
3216 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
3218 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
3219 for address reloads. Push replacements for REG_INC notes.
3220 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
3222 * reload1.c (choose_reload_regs): Registers set in the insn can't be
3223 used for RELOAD_OTHER reloads.
3225 2000-11-10 Mark Mitchell <mark@codesourcery.com>
3227 * c-dump.h: New file.
3229 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3231 * alpha.c (check_float_value): Use memcpy, not bcopy.
3232 * arm.c (output_move_double): Likewise.
3234 * m88k.c (legitimize_operand): Likewise.
3235 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
3236 * m88k.md: Likewise.
3237 * mips.c (override_options): Likewise.
3238 * mips.md: Likewise.
3239 * romp.c (output_fpops): Likewise.
3240 * rs6000.c (rs6000_override_options): Likewise.
3242 * vax.c (check_float_value): Likewise.
3244 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
3245 * expmed.c (synth_mult): Likewise.
3246 * final.c (add_bb_string): Likewise.
3247 * genattr.c (main): Likewise.
3248 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
3250 * jump.c (thread_jumps): Likewise.
3251 * prefix.c (save_string): Likewise.
3252 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
3253 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
3254 * reload1.c (reload, eliminate_regs): Likewise.
3256 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3258 * gcc.texi (Service): Update to reflect current practice and
3259 location of the GNU service directory.
3261 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
3263 * regrename.c (build_def_use): Mark contents of REG_INC notes as
3264 needing replacement.
3266 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
3267 a no-op move if regs are equal.
3268 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
3269 when calling jump after post-reload splitting.
3271 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
3273 * c-tree.texi: Fix typos.
3274 * extend.texi: Likewise
3275 * gcov.texi: Likewise
3276 * rtl.texi: Likewise
3279 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
3281 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
3282 in_system_header and flags[1] before dereferencing flags[2].
3284 2000-11-09 Matthew Hiller <hiller@redhat.com>
3286 * reload1.c (reload_combine): Fixed calculation of
3287 first_index_reg, last_index_reg.
3289 2000-11-09 Mark Mitchell <mark@codesourcery.com>
3291 * c-dump.c (dequeue_and_dump): Dump function bodies.
3293 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
3294 (c-dump.o): New target.
3295 * c-common.h (flag_dump_translation_unit): New variable.
3296 (C_TYPE_QUALS): New macro.
3297 (strip_array_types): New function.
3298 (DECL_C_BIT_FIELD): New macro.
3299 (SET_DECL_C_BIT_FIELD): Likewise.
3300 (CLEAR_DECL_C_BIT_FIELD): Likewise.
3301 (dump_info_p): New typedef.
3302 (dump_tree_fn): Likewise.
3303 (lang_dump_tree): New variable.
3304 (dump_node_to_file): New function.
3305 * c-common.c (flag_dump_translation_unit): Define it.
3306 (strip_array_types): New function.
3307 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
3308 * c-lang.c (finish_file): Call dump_node_to_file if
3309 flag_dump_translation_unit.
3310 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
3311 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
3312 * c-dump.c: New file.
3314 2000-11-09 Christopher Faylor <cgf@cygnus.com>
3316 * config/i386/cygwin.h: Add mingw startfile prefix.
3318 2000-11-09 Richard Henderson <rth@redhat.com>
3320 * flow.c (invalidate_mems_from_set): Split out from ...
3321 (mark_set_1): ... here.
3322 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
3323 instead of turning insn into a NOTE_INSN_DELETED.
3325 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3327 * extend.texi, invoke.texi: Move documentation of builtin versions
3328 of C library functions to one place and update.
3330 2000-11-09 Richard Henderson <rth@redhat.com>
3332 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
3333 the types themselves to discover type equivalence.
3335 2000-11-09 Mike Stump <mrs@wrs.com>
3337 * Makefile.in (distclean): Remove a few extra leftovers.
3339 2000-11-09 Richard Henderson <rth@redhat.com>
3341 * recog.c (validate_replace_rtx_1): Consider subregs when
3342 replacing a register with a constant inside a sign/zero_extend.
3344 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3346 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
3348 * c-decl.c (finish_struct): When a structure is completed,
3349 check all its variant types for completeness.
3351 2000-11-09 Neil Booth <neilb@earthling.net>
3353 * cpphash.c: Move cpp_defined here from cpplib.c.
3354 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
3355 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
3356 * cppmacro.c (cpp_get_token): Update comments, no need now
3357 to catch the CPP_EOF meaning EOL case.
3359 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3361 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
3362 is more than that provided, copy to a temporary.
3364 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
3366 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
3367 interpreting $out as a macro assignment.
3368 * Makefile.in (T_TARGET): New auxiliary macro and target.
3369 (all): Add a target right in the beginning, so that we don't build
3370 T_TARGET by default.
3372 2000-11-09 Graham Stott <grahams@redhat.com>
3374 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
3375 order for -mintel-syntax. Remove comment now that the operand
3376 order has been checked.
3377 (mmx_pextrw): Likewise.
3378 (mmx_pshufw): Likewise.
3380 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3382 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
3383 (c_getstr): New function.
3384 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
3385 If both arguments are constant string, optimize out.
3386 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3387 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3388 -fcheck-memory-usage.
3389 (expand_builtin_fputs): Likewise.
3390 (expand_builtin_strcmp): Add MODE argument.
3391 Use even if !HAVE_cmpstrsi.
3392 Optimize the case when both arguments are constant strings.
3393 (expand_builtin): Adjust expand_builtin_strcmp caller.
3394 Call expand_builtin_strchr and expand_builtin_strrchr.
3395 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3397 * builtins.def (BUILT_IN_STRRCHR): Add.
3399 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3401 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3403 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3405 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3406 (scan_prog_file), config/a29k/a29k.c (print_operand),
3407 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3408 instead of bcopy ().
3409 * real.h: Use memcmp () instead of bcmp ().
3410 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3411 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3412 ultrasparc_sched_init, ultrasparc_sched_reorder),
3413 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3414 instead of bzero ().
3415 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3416 instead of rindex ().
3417 * configure.in: Don't check for bzero, bcmp, index or rindex.
3418 * configure, config.in: Regenerate.
3419 * system.h: Don't include declarations for bzero, bcmp, index or
3421 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3422 bzero, bcmp, index or rindex.
3424 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3426 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3427 include and library paths from -mcygwin case. Parameterize some
3428 declarations to avoid warnings. Use standard locations for include and
3431 2000-11-08 Nick Clifton <nickc@redhat.com>
3433 * config/arm/arm.md (mulsidi3adddi): Change output operand
3434 constraint from "=&" to "+&".
3435 (umulsidi3adddi): Change output operand constraint from "=&" to
3438 2000-11-08 Richard Henderson <rth@redhat.com>
3440 * flow.c (init_propagate_block_info): Protect the rtx stored in
3441 mem_set_list from modification by find_auto_inc.
3442 (mark_set_1): Likewise.
3444 2000-11-08 Neil Booth <neilb@earthling.net>
3446 Move directive handling into the lexer itself.
3448 * cpplex.c (_cpp_lex_token): Handle directives directly.
3449 In the case of a directive interrupting a function-like
3450 macro invocation, use extra_char since read_ahead is
3451 used to store the '#'. Return a CPP_EOF in this case.
3452 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3453 (cpp_get_token): Don't handle directives here.
3454 * cpplib.h: Remove CPP_DHASH token type.
3456 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3458 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3459 formed using PRE_MODIFY too.
3461 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3463 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3464 extension for placing variables in particular registers.
3466 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3467 unprototyped C functions with no parameters.
3469 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3471 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3472 before passing to fprintf.
3474 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3476 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3477 HOST_WIDE_INT before negating it.
3479 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3481 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3482 passed in multiple non-contiguous locations.
3484 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3486 * README.gnat: Remove file.
3488 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3490 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3493 2000-11-07 Richard Henderson <rth@redhat.com>
3495 * dwarfout.c (INSN_LABEL_FMT): Remove.
3496 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3497 (dwarfout_label): Remove.
3498 * dwarfout.h: Remove it's prototype.
3499 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3500 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3501 (dwarf2out_label): Remove.
3502 * dwarf2out.h: Remove it's prototype.
3503 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3505 2000-11-07 Richard Henderson <rth@redhat.com>
3507 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3508 search on the unwind region section.
3510 * config/ia64/ia64.md (movbi): Add r/r alternative.
3511 (cmovdi_internal_astep): Describe all combinations of register
3512 classes for sources & destinations; remove matching constraints.
3513 (cmovdi_internal): Likewise.
3515 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3517 2000-11-07 Richard Henderson <rth@redhat.com>
3519 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3520 (finish_file): Use them in building constructor/destructor functions.
3522 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3523 LD_FINI_SWITCH): Move ...
3524 * config/alpha/osf.h: ... here.
3525 * config/alpha/alpha-interix.h: Don't undef them.
3527 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
3529 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
3530 included in libgcc.a.
3532 (dp-bit.c): Likewise.
3533 (fp-bit.c): Likewise.
3535 2000-11-07 Nick Clifton <nickc@redhat.com>
3537 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
3538 (INTERNAL_ASM_OP): Add missing tab.
3540 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3542 * alias.c (init_alias_analysis), calls.c (expand_call,
3543 emit_library_call_value_1), combine.c (init_reg_last_arrays),
3544 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
3545 (init_output_buffer, set_diagnostic_context), dwarf2out.c
3546 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
3547 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
3548 function.c (assign_parms), gcse.c (compute_can_copy,
3549 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
3550 compute_hash_table, compute_set_hash_table,
3551 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
3552 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
3553 clear_units, schedule_block), integrate.c (initialize_for_inline,
3554 expand_inline_function), jump.c (thread_jumps), local-alloc.c
3555 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
3556 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
3557 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
3558 record_reg_classes, allocate_reg_info), reload.c
3559 (get_secondary_mem, remove_address_replacements, find_reloads),
3560 reload1.c (reload, set_initial_label_offsets, finish_spills,
3561 reload_as_needed, choose_reload_regs_init,
3562 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
3563 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
3564 (rename_registers), stmt.c (expand_end_case), unroll.c
3565 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
3566 () instead of bzero ().
3568 2000-11-07 Neil Booth <neilb@earthling.net>
3570 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
3572 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3574 * c-common.c (combine_strings): Only warn about long strings for C.
3576 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
3578 * combine.c (distribute_notes): Fix typo in last change.
3580 2000-11-07 Geoff Keating <geoffk@redhat.com>
3582 * config/rs6000/rs6000.md (movdi_internal32+1): Use
3583 operand_subreg_force rather than gen_rtx_SUBREG.
3584 (movdi_internal32+2): Likewise.
3586 2000-11-07 Philip Blundell <philb@gnu.org>
3588 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
3589 * config/arm/linux-aout.h: Likewise.
3590 * configure: Regenerate.
3592 2000-11-07 Philipp Thomas <pthomas@suse.de>
3594 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
3595 accepted my the gettext maintainer.
3597 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3599 * builtins.c (expand_builtin_strpbrk): New function.
3600 (expand_builtin): Handle BUILT_IN_STRPBRK.
3602 * builtins.def (BUILT_IN_STRPBRK): New entry.
3604 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3607 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
3609 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
3610 * POTFILES.in: Add config/alpha/freebsd.h
3611 * configure.in: Add alpha*-freebsd support.
3612 * configure: Regenerate.
3614 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3616 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
3617 copy of ptr_type_node rather than ptr_type_node itself.
3619 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
3621 * combine.c (recog_for_combine): Allocate uninitialized vector with
3623 * recog.c (apply_change_group): Likewise.
3625 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
3627 * flow.c (verify_local_live_at_start): Back out last change.
3628 * combine.c (distribute_notes): When parts of a hard reg are
3629 neither set nor referenced in PLACE, search backwards for a
3630 place to put a REG_UNUSED note; if none found, ask for flow
3633 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3635 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
3636 with (clobber (match_scratch...)).
3638 2000-11-06 Neil Booth <neilb@earthling.net>
3640 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
3643 2000-11-06 Neil Booth <neilb@earthling.net>
3645 * tradcpp.c (special_symbol): Assign an null string rather
3646 than writing to an unallocated buffer.
3648 2000-11-06 Neil Booth <neilb@earthling.net>
3650 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
3653 2000-11-06 Neil Booth <neilb@earthling.net>
3655 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
3656 tok.val.arg_no as appropriate.
3657 * cppexp.c (lex): Similarly.
3658 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
3659 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
3660 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
3661 cpp_macro_definition): Similarly.
3662 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
3664 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3666 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
3667 operands[1] is constant, calculate the sum and generate movdi.
3668 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
3669 (subsi3): Use SImode in call to arith_4096_operand.
3671 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3673 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
3674 adjust %o1, not %o0 if the return type is large structure.
3676 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3678 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
3679 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
3681 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3683 * expmed.c (expand_divmod): For signed divide by 2, prefer
3684 a branch and fewer shifts if branches are very cheap.
3686 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3688 * Makefile.in: Remove all targets related to building
3689 distributions and diffs, or INSTALL.
3690 * INSTALL, install1.texi: Remove.
3691 * configure.in: Remove mention of distdir.
3692 * configure: Regenerate.
3693 * objc/Make-lang.in: Remove mention of distdir.
3695 2000-11-04 Neil Booth <neilb@earthling.net>
3697 * cpp.texi: Update for _Pragma.
3699 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
3701 * gcc.texi (Contributing): Update URL for projects web page.
3703 2000-11-04 Neil Booth <neilb@earthling.net>
3705 * cpplex.c (parse_string): Don't allow multiline strings in
3706 #include family directives.
3708 2000-11-04 Neil Booth <neilb@earthling.net>
3710 * cpplib.c (do_line): Only warn pedantically if not reading
3713 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
3715 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
3718 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
3720 * builtins.c (expand_builtin_strlen): Remove unused mode
3722 * gcc.c (process_command): Remove unused variable.
3723 * fold-const.c: Include expr.h.
3724 * recog.c: Include reload.h.
3725 * Makefile.in (recog.o, fold-const.o): Update deps.
3727 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
3729 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
3731 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
3733 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
3735 (STARTFILE_SPEC): Likewise.
3736 (LINK_SPEC): Likewise.
3738 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3740 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
3741 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
3742 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
3744 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
3746 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
3747 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
3748 perm_calloc, get_identifier, maybe_get_identifier,
3749 real_value_from_int_cst, simple_cst_equal), varasm.c
3750 (assemble_name, assemble_real, immed_real_const_1,
3751 compare_constant_1, decode_rtx_const, output_constant_pool): Use
3752 strrchr () instead of rindex (). Use memcmp () instead of bcmp
3753 (). Use memcpy () instead of bcopy (). Use memset () instead of
3756 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
3758 * cppfiles.c (open_file): If already read, then don't reopen.
3759 Immediately close an empty file.
3761 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3763 * expr.h (fold_builtin): Move declaration...
3764 * tree.h (fold_builtin): ... here.
3766 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
3768 * flow.c (verify_local_live_at_start): Allow hard regs to die.
3770 2000-11-02 Neil Booth <neilb@earthling.net>
3773 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
3774 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
3775 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
3776 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
3777 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
3778 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
3779 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
3780 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
3781 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
3782 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
3783 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
3784 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
3785 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
3786 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
3787 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3788 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
3789 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
3790 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
3791 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
3792 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
3793 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
3794 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
3795 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
3796 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
3797 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
3798 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
3799 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
3800 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
3801 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
3802 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
3803 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
3804 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
3805 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
3806 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
3807 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
3808 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
3809 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
3810 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
3811 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
3812 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
3813 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
3814 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
3815 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
3816 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
3817 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
3818 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
3819 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
3820 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
3821 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
3822 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
3823 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
3824 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
3825 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
3826 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
3827 vax/vaxv.h, vax/vms.h, we32k/we32k.h
3829 Replace -A() with -A=, the new assertion syntax.
3831 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
3833 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
3835 In REG_DEAD handling: When handling parts of multi-hard-reg hard
3836 registers, increment the loop counter by the size of the parts;
3837 use recursion to handle individual parts.
3839 2000-11-02 Neil Booth <neilb@earthling.net>
3841 * configure.in: Make integrated CPP the default.
3842 * configure: Regenerate.
3844 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
3846 * reload.c (find_equiv_reg): Test all hard registers for membership
3847 in the requested class.
3849 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3851 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
3852 process_command, main), gcov.c (open_files, output_data), tlink.c
3853 (frob_extension, scan_linker_output), toplev.c
3854 (file_name_nondirectory): Use strchr () and strrchr () instead of
3855 index () and rindex ().
3857 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3859 * c-common.c (get_flag_spec, check_format_info_main,
3860 check_format_types): Use strchr () instead of index (). Compare
3861 against error_mark_node instead of comparing the TREE_CODE against
3864 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
3868 * c-lex.c (init_c_lex): Update cpp_start_read call.
3869 (cb_ident): Update for new callback prototype.
3870 (cb_def_pragma): Update for new cpp_get_token prototype.
3871 (c_lex): Similarly. Use cpp_get_line.
3873 * c-parse.in (finish_parse): Update for new cpp_finish
3876 * cp/lex.c (finish_parse): Similarly.
3878 2000-11-01 Geoff Keating <geoffk@cygnus.com>
3880 * machmode.def: Add V16QImode.
3882 2000-11-01 Richard Henderson <rth@redhat.com>
3884 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
3885 from rtl_for_decl_location.
3886 (add_location_or_const_value_attribute): Likewise.
3888 2000-11-01 Neil Booth <neilb@earthling.net>
3890 * cpplib.c (run_directive): Use correct line number for output
3891 of _Pragma. Remember any in-progress directive.
3893 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
3895 2000-11-01 Richard Henderson <rth@redhat.com>
3897 * stmt.c (expand_start_null_loop): Set continue_label.
3899 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3901 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
3902 (expand_builtin_constant_p): Move parts of the code into
3903 fold_builtin_constant_p.
3904 (expand_builtin_strlen): Move parts of the code into fold_builtin.
3905 * expr.h (fold_builtin): Declare.
3906 * fold-const.c (fold): Handle builtin calls.
3908 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
3910 2000-11-01 Richard Henderson <rth@redhat.com>
3912 * stmt.c (expand_start_null_loop): New.
3913 (expand_end_null_loop): New.
3914 * c-semantics.c (genrtl_do_stmt): Use them.
3915 * tree.h: Declare them.
3917 2000-11-01 Richard Henderson <rth@redhat.com>
3919 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
3921 2000-11-01 Neil Booth <neilb@earthling.net>
3923 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
3924 * cp/spew.c: Similarly.
3925 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
3926 * cppmacro.c (stringify_arg): Similarly.
3927 * cpplib.h (CPP_BACKSLASH): Delete.
3929 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * builtins.c (expand_builtin_strstr): New function.
3932 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
3934 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
3936 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
3939 2000-10-31 Richard Henderson <rth@redhat.com>
3941 * config/i386/i386.c (fcmov_comparison_operator): Check for
3942 CCFPmode or CCFPUmode instead of CCmode.
3943 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
3944 unordered operations as well.
3946 2000-10-31 Richard Henderson <rth@redhat.com>
3948 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
3949 of integer_zero_node.
3951 2000-10-31 Richard Henderson <rth@redhat.com>
3953 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
3955 2000-10-31 Nick Clifton <nickc@redhat.com>
3957 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
3958 -fdata-sections to override the section attribute of a DECL.
3960 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3962 * libgcc2.c (__shtab): Remove __shtab variable.
3963 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3964 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3967 2000-10-31 Jim Wilson <wilson@redhat.com>
3969 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3970 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3971 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3972 instead of ASM_OUTPUT_INTERNAL_LABEL.
3973 (dwarf2out_end_block, dwarf2out_label): Likewise.
3974 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3975 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3977 2000-10-31 Richard Henderson <rth@redhat.com>
3979 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3980 (size_of_locs): Set it.
3981 (output_loc_operands): Use it to compute branch displacement.
3982 (int_loc_descriptor): New.
3983 (mem_loc_descriptor): Dereference memory in the proper size.
3984 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3985 (loc_descriptor_from_tree): New.
3986 (rtl_for_decl_location): Break out from ...
3987 (add_location_or_const_value_attribute): ... here.
3988 (add_bound_info): Use loc_descriptor_from_tree.
3990 2000-10-31 Neil Booth <neilb@earthling.net>
3992 * cpp.texi: Update for new command line assertion syntax.
3993 * cpplib.c (cpp_define): Simplify a bit.
3994 (cpp_assert, cpp_unassert): Use handle_assertion.
3995 (handle_assertion): New function; accept new command line
3997 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3999 2000-10-31 Neil Booth <neilb@earthling.net>
4001 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
4002 undefined. Remove #ifdef check.
4003 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
4004 Define STDC_0_IN_SYSTEM_HEADERS to 1.
4006 2000-10-31 Jan Hubicka <jh@suse.cz>
4007 Jakub Jelinek <jakub@redhat.com>
4009 * config/i386/i386.h: Clarify CCNOmode description in comment.
4010 (EXTRA_CC_MODES): Remove CCRCmode.
4011 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
4012 (put_condition_code, ix86_match_ccmode): Likewise.
4013 (ix86_cc_mode): Likewise. Fix comment.
4014 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
4015 * config/i386/i386.md: Add unspec 12 description.
4016 (adddi3 split): Use unspec 12 instead of CCRCmode.
4017 (addsi3_carry_rc): Remove.
4018 (addsi3_cc, addqi3_cc): New patterns.
4019 (addsi_3): Swap operands, match CCZmode.
4020 (addsi_4): Rewritten.
4021 (addsi_5): Renamed from addsi_6.
4023 (addhi_3): Swap operands, match CCZmode.
4024 (addhi_4): Rewritten.
4025 (addhi_5): Renamed from addhi_6.
4027 (addqi_3): Swap operands, match CCZmode.
4028 (addqi_4): Rewritten.
4029 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
4030 (subsi3_carry_rc): Removed.
4031 (iorqi_3): Use =q constraint for clobber.
4032 (xorqi_cc_2): Likewise.
4033 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
4034 (x86_movsicc_0_m1_rc): Removed.
4035 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
4037 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
4039 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
4040 and decrement of complex types.
4042 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4044 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
4045 builtin fputs, ensure we still evaluate the stream in case it
4048 2000-10-31 Jakub Jelinek <jakub@redhat.com>
4050 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
4053 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
4055 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
4056 (fp_extended_operand, emit_fpscr_use): Likewise.
4057 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
4058 (fpul_operand): New function.
4059 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
4060 fp_extended_operand. Add fpul_operand.
4061 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
4062 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
4063 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
4064 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
4065 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
4066 (divdf3_i): Likewise.
4067 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
4068 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
4069 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
4070 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
4071 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
4073 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
4075 * config/i386/i386.c (ix86_init_builtins): Correct return type
4076 building v4hi_ftype_v4hi_int_int tree node.
4077 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
4078 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
4080 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
4082 (mmx__uavgv8qi3): Correct insn mnemonic.
4083 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
4084 (mmx_punpckhwd): Correct insn mnemonic.
4085 (mmx_punpckhdq): Likewise.
4086 (mmx_punpcklwd): Likewise.
4087 (mmx_punpckldq): Likewise.
4088 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
4089 Renumber case labels to match the _mm_prefetch constants defined in
4092 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
4093 if the splitter didn't emit new insns.
4094 Make sure we call cleanup_subreg_operands even when splitting the last
4095 insn in a basic block.
4097 * invoke.texi (Debugging Options): Describe -do.
4098 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
4099 (dump_file): Likewise.
4100 (rest_of_compilation): Split .greg dump into .greg and .postreload.
4102 2000-10-30 Neil Booth <neilb@earthling.net>
4104 * cppfiles.c (stack_include_file): Check for stacked contexts
4106 * cpphash.h (_cpp_do__Pragma): New prototype.
4107 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
4109 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
4110 escaped newlines if !(buffer->from_stage3).
4111 (_cpp_lex_token): Warn about missing newlines iff
4112 !buffer->from_stage3.
4114 * cpplib.c (get__Pragma_string, destringize,
4115 _cpp_do__Pragma): New functions.
4116 (run_directive): Set output_line for _Pragma to avoid line
4117 markers in output. Set from_stage3 and prevent macro expansion
4118 for _Pragma and command-line options. Check buffer exhaustion.
4119 (cpp_push_buffer): Don't check for stacked macro contexts, as
4120 this is perfectly legitimate for _Pragma. Move the check to
4121 stack_include_file instead. Set from_stage3 iff buffer is
4124 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
4125 unsigned. New boolean from_stage3.
4126 (struct spec_nodes): Add n__Pragma.
4128 * cppmacro.c (enter_macro_context): Flip sense of return value.
4129 (_cpp_get_token): Handle _Pragma operator.
4131 2000-10-30 Phil Edwards <pme@sources.redhat.com>
4133 * gcc.texi: The C++ standard isn't "draft" anymore.
4135 2000-10-30 Mark Mitchell <mark@codesourcery.com>
4137 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
4139 2000-10-29 Neil Booth <neilb@earthling.net>
4141 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
4143 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
4145 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
4146 fixinc/inclhack.def: Change comments mentioning C9X to refer to
4149 * invoke.texi: Document that -V will only work for very similar
4150 versions of driver and compiler.
4152 2000-10-29 Neil Booth <neilb@earthling.net>
4154 * cppmacro.c (_cpp_create_definition): Optimize the case of
4155 a macro defined to itself.
4157 2000-10-29 Neil Booth <neilb@earthling.net>
4159 * cpplex.c (save_comment): Don't store new lines in C++ comments.
4161 2000-10-29 Michael Hayes <mhayes@redhat.com>
4163 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
4165 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
4167 * cpphash.c (cpp_forall_identifiers): Add context variable
4168 for callback routine.
4169 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
4171 (main): Call cpp_forall_identifiers with null context.
4172 * cpplib.h (cpp_forall_identifiers): Update prototype.
4174 * cppmain.c: Make `parse_in' and `print' static.
4176 2000-10-28 Alan Modra <alan@linuxcare.com.au>
4178 * c-decl.c (finish_function): Clear c_function_name_declared_p.
4180 2000-10-28 Richard Henderson <rth@redhat.com>
4182 * regrename.c (scan_rtx_address): Frob action, not class,
4183 when trying to disable optimization.
4185 2000-10-28 Mark Mitchell <mark@codesourcery.com>
4187 * c-semantics.c (make_rtl_for_local_static): Don't clobber
4188 DECL_ASSEMBLER_NAME.
4190 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
4192 * configure.in: Determine and substitute gcc_version_full.
4193 * configure: Regenerate.
4194 * gccbug.in: Use it to give full version. Don't allow
4197 2000-10-28 Richard Henderson <rth@redhat.com>
4199 * recog.c (split_all_insns): Run cleanup_subreg_operands
4202 * regrename.c (regrename_optimize): Verify that all registers of
4203 a multiple register mode are available.
4204 (scan_rtx_address): Accept the mode of the address; all callers
4207 * cpplib.c (run_directive): Fix prototype.
4209 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
4211 * reload.c (find_reloads): Distinguish "wins" so that we know whether
4212 a given operand won because of a matching constraint or not; then use
4213 that information to compute goal_alternative_matched properly.
4214 * reload1.c (choose_reload_regs): Never set reload_override_in for an
4217 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
4218 accurate value for MULT.
4219 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
4220 2% or > 98% before using static branch prediction bits.
4222 2000-10-28 Neil Booth <neilb@earthling.net>
4226 * cpplib.c (struct answer): New.
4227 (struct if_stack): Use cpp_lexer_pos rather than line and col.
4228 Rename cmacro mi_cmacro.
4229 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
4230 IN_I): New directive and flags.
4231 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
4232 parse_answer, parse_assertion, find_answer): New functions.
4233 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
4234 (lex_macro_node): New function to replace parse_ifdef and
4237 (_cpp_handle_directive): New function, combines _cpp_check_directive
4238 and _cpp_check_linemarker.
4240 (do_define, do_undef, parse_include, do_include, do_import,
4241 do_include_next, read_line_number, do_line, do_ident, do_pragma,
4242 do_pragma_once, do_pragma_poison, do_pragma_dependency):
4243 Update for new token getting interface.
4245 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
4246 : Update for new multiple-include optimisation technique.
4247 (do_elif): Don't forget to invalidate controlling macros.
4249 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
4250 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
4251 Functions to handle assertions with the new token interface.
4252 (do_assert, do_unassert): Use them.
4254 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
4257 (_cpp_init_stacks): Register directive names. Don't register special
4260 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
4261 new position recording regime.
4262 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4263 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
4264 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
4265 (cpp_type2name): Move to cpplex.c.
4267 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
4268 (parse_defined): Update to handle new multiple include optimisation
4269 method. Remove poisoned identifier warning.
4270 (parse_assertion, TYPE_NAME): Delete.
4271 (lex): Update for multiple include optimisation, removal of
4272 CPP_DEFINED, to use _cpp_test_assertion for assertions and
4274 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
4275 (op_as_text): New function, to wrap cpp_token_as_text.
4277 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
4278 Update for MI optimisation.
4279 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
4280 segfault on diagnostic.
4281 (_cpp_compare_file_date): Take a token rather than 3 args.
4282 (cpp_read_file): Work correctly for zero-length files.
4284 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
4285 _cpp_init_hashtable and _cpp_cleanup_hashtable.
4286 (cpp_lookup): Place identifiers at front of identifier pool
4287 for _cpp_lookup_with_hash.
4288 (_cpp_lookup_with_hash): Require identifiers to be at the front of
4289 the identifier pool. Commit the memory if not already in the
4292 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
4293 Initialise various members of cpp_reader, memory pools, and the
4295 (cpp_printer_init): Delete.
4296 (cpp_cleanup): Update.
4297 (struct builtin, builtin_array, initialize_builtins): Update for new
4298 hashnode definition and builtin handling.
4299 (cpp_start_read, cpp_finish): Don't take or initialise a
4302 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
4303 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
4304 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
4305 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
4306 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
4307 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
4308 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
4309 struct toklist, struct cpp_context, struct specnodes,
4310 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
4311 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
4312 enum builtin_type, cpp_can_paste): New.
4313 (struct cpp_token): Delete line and col members.
4314 (struct cpp_buffer): New member output_lineno.
4315 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
4316 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
4317 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
4318 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
4319 base_context, context, directive, mi_state, mi_if_not_defined,
4320 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
4321 mlstring_pos, macro_buffer, macro_buffer_len.
4322 Delete members mls_line, mls_column, token_list, potential_control_macro,
4323 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
4324 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
4325 save_parameter_spellings, need_newline, .
4326 Change type of date, time and spec_nodes members.
4327 Change prototypes for include and ident callbacks.
4328 (struct cpp_hashnode): Change type of name. Remove union members
4329 expansion and code. Add members macro, operator and builtin.
4331 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
4332 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
4333 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
4334 cpp_stop_lookahead): New prototypes.
4335 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
4337 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
4338 Move from cpphash.h.
4340 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
4341 ufputs): Move to cpplib.h.
4342 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
4343 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
4344 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
4345 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
4346 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
4347 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
4348 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
4349 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
4350 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
4351 _cpp_parse_assertion, _cpp_find_answer): Delete.
4352 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
4353 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
4354 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
4355 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
4356 _cpp_handle_directive, DSC): New.
4357 (struct include_file): New member defined.
4359 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
4360 _cpp_compare_file_date): Update.
4361 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
4362 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
4363 _cpp_cleanup_hashtable.
4365 * Makefile.in: Remove cppoutput.c.
4367 * cppoutput.c: Delete
4369 * fixheader.c (read_scan_file): Update for new cpp_get_token
4371 (recognized_function): New argument LINE.
4373 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4374 new cpp_get_token prototype.
4376 * scan.h (recognized_function): Update prototype.
4378 * po/POTFILES.in: Remove cppoutput.c.
4380 2000-10-27 Mark Mitchell <mark@codesourcery.com>
4382 * c-typeck.c (check_init_type_bitfields): Remove.
4383 (constructor_incremental): Likewise.
4384 (struct constructor_stack): Remove incremental bit.
4385 (struct initializer_stack): Likewise.
4386 (start_init): Don't play with constructor_incremental.
4387 (finish_init): Likewise.
4388 (really_start_incremental_init): Likewise.
4389 (push_init_level): Likewise.
4390 (pop_init_level): Likewise.
4391 (output_init_level): Likewise.
4392 (output_pending_init_elements): Likewise.
4394 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4396 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4397 Improve error messages. Correct parsing of
4398 #pragma pack(pop [,id]). Do not check the user-supplied
4399 alignment if we're popping.
4401 * gcc.dg/pack-test-1.c: New test case.
4402 * gcc.dg/pack-test-2.c: New test case.
4403 * gcc.dg/pack-test-1.h: New file.
4405 2000-10-27 Neil Booth <neilb@earthling.net>
4409 2000-10-27 Kelley Cook <kelley.cook@home.com>
4411 * invoke.texi: Document -mintel-syntax
4413 2000-10-27 Richard Henderson <rth@redhat.com>
4415 * invoke.texi: Document -frename-registers. Add it to -O3.
4416 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4417 (enum dump_file_index, dump_file): Update order.
4418 (main): Set flag_rename_registers at -O3.
4420 2000-10-27 Richard Henderson <rth@redhat.com>
4422 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4423 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4424 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4425 * config/alpha/alpha.md (call_osf_1): Use it.
4426 (call_value_osf_1): Likewise.
4428 * config/ia64/ia64.c: Revert 10-23 patch.
4429 (ia64_hard_regno_rename_ok): New.
4430 * config/ia64/ia64-protos.h: Declare it.
4431 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4433 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4434 Richard Henderson <rth@redhat.com>
4436 * regrename.c: Rewrite to handle multi-register modes and
4437 cond_exec instructions.
4438 * Makefile.in (regrename.o): Update dependancies.
4439 * recog.h (struct operand_alternative): Add is_address.
4440 * recog.c (preprocess_constraints) [case 'p']: Set it.
4442 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4444 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4445 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4446 top level. Kill oldstyle_subdirs. Do not include
4447 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4448 $outputs. Do not run configure.lang from config.status.
4449 Rearrange warning-flag logic to correspond to what the
4450 makefile wants. Put special vax stage1 options in
4451 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4452 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4453 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4454 switch is given, nothing otherwise.
4455 * configure.lang: Delete.
4457 * Makefile.in: Expunge all traces of extra_c_objs,
4458 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4459 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4460 warning options via a three level scheme so that -pedantic and
4461 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4462 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4463 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4464 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4465 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4466 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4467 generation rules. Wrap all rules that change the current
4468 directory in parentheses; pmake doesn't spawn a new shell for
4469 each command. Expunge all references to $(P). When one
4470 command depends on another and they're run all at once, use &&
4471 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4472 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4475 * objc/Make-lang.in: Wrap all rules that change the current
4476 directory in parentheses. Expunge all references to $(P).
4477 When one command depends on another and they're run all at
4478 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4479 all object-file generation rules. Delete obsolete variables.
4480 * objc/Makefile.in: Delete.
4482 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4484 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4485 clear tail_call_insns as well.
4487 2000-10-27 Nick Clifton <nickc@redhat.com>
4489 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4492 2000-10-26 Richard Henderson <rth@redhat.com>
4494 * calls.c (expand_call): Supress sibcall if we have a
4495 BLKmode return in registers.
4497 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4499 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4502 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4504 * tree.c (make_node, case 't'): Set alignment to that of
4506 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4508 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4510 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4511 * configure.in (enable-libstdcxx-v3): Arrange to have
4512 HAVE_LIBSTDCXX_V3 substituted into the output files.
4514 2000-10-25 Richard Henderson <rth@redhat.com>
4516 * recog.c (constrain_operands): Initialize which_alternative
4517 before no alternatives early exit.
4519 * cse.c (find_comparison_args): Check that we can reverse a
4520 comparison if needed before accepting the substitution.
4522 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4524 * simplify-rtx.c (simplify_relational_operation): Sign extend
4525 low words before sign extending to high words.
4527 2000-10-25 Nick Clifton <nickc@redhat.com>
4529 * config/mcore/mcore.c: Include config.h before system.h.
4531 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
4533 * config/mcore/mcore.md (return): Force function epilogue to
4534 always be generated to work around epilogue suppression bug in
4537 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
4539 * c-decl.c (grokdeclarator): Move warning for qualified void
4540 return types with -pedantic to when the function type is
4541 constructed. At -W, warn in general for qualified function return
4542 types, except for volatile void.
4543 * invoke.texi: Document this new warning at -W.
4545 2000-10-25 Neil Booth <neilb@earthling.net>
4547 * cpp.texi: Update with implementation-defined behavior and
4550 2000-10-25 Jakub Jelinek <jakub@redhat.com>
4552 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
4553 incomplete type force it into alias set 0.
4555 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
4557 * alias.c: Include basic-block.h.
4558 (loop_p): New function.
4559 (mark_constant_function): Use it.
4560 * Makefile.in (alias.o): Update dependencies.
4562 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4564 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
4567 2000-10-24 Jim Wilson <wilson@cygnus.com>
4569 * expmed.c (store_bit_field): Move integer pun code down after
4570 code that calls emit_move_insn for entire register move.
4571 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
4572 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
4574 2000-10-24 Richard Henderson <rth@cygnus.com>
4576 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
4577 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
4579 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4581 * gcse.c (cprop_insn): do not propagate constants into jump_insn
4582 for machines with CC0 more than once.
4584 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
4586 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
4587 pseudos just like memory.
4589 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
4591 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
4592 when deleting libcall sequence collapsed to a single instruction.
4594 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
4596 * expr.c (do_store_flag): Don't crash if either side of a
4597 comparison is error_mark_node.
4599 2000-10-24 Jakub Jelinek <jakub@redhat.com>
4601 * sibcall.c (purge_mem_unchanging_flag): New function.
4602 (optimize_sibling_and_tail_recursive_calls): Call it.
4604 2000-10-24 Philipp Thomas <pthomas@suse.de>
4606 * Makefile.in (check-po): New target for doing checks in the po
4607 subdir if all languages configured.
4608 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
4609 configure if NLS is enabled.
4610 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
4611 otherwise leave empty.
4612 * configure: Regenerate.
4614 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4616 * i386.c (print_operand): Handle new 'A' formatting code.
4617 387 opcodes need suffixes even with -mintel-syntax.
4618 Check for explicit size override (codes 'b', 'w' and 'k').
4619 (print_operand_address): Check if register prefix is needed when
4620 emitting `ds' segment override.
4621 * i386.h: Add comment about new 'A' formatting code.
4622 * i386.md (jump and call patterns): Emit absolute references using %A.
4624 2000-10-23 Richard Henderson <rth@cygnus.com>
4626 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
4627 output registers as fixed.
4628 (ia64_function_epilogue): Undo output fixation.
4630 2000-10-23 Richard Henderson <rth@cygnus.com>
4632 * config/alpha/alpha.md: Add names for all unnamed insns; use
4633 define_insn_and_split in some obvious places.
4635 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
4636 (zero_extendqisi2, zero_extendqidi2): Likewise.
4637 (zero_extendhisi2, zero_extendhidi2): Likewise.
4638 (abs splitters): Fix match_scratch operand number.
4639 (bcc_reverse): Swap pc & label instead of non-canonical compare.
4641 2000-10-23 Jim Wilson <wilson@cygnus.com>
4643 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
4645 * ia64.md (cmpsi_adjusted): Use %r3.
4646 (cmpdi_adjusted): Likewise.
4648 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4650 * config/i386/att.h (ASM_FILE_START): Define.
4652 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4654 * config/i386/linux.h (ASM_FILE_START): Define.
4656 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
4658 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
4659 since this (only) drags in a crt0.o reference that the .ld files
4662 2000-10-23 Geoff Keating <geoffk@cygnus.com>
4664 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
4665 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
4666 reloads just like an RELOAD_FOR_OUTPUT would.
4668 * local-alloc.c (update_equiv_regs): Add an abort(). When
4669 deleting or moving insns, update reg_equiv[regno].init_insns.
4671 2000-10-23 Mark Mitchell <mark@codesourcery.com>
4673 * c-tree.texi: Improve documentation for IF_STMTs and related
4674 conditional statements.
4676 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4678 * expr.c (do_preexpand_calls): Remove.
4679 (same_from_p): Don't use CALL_EXPR_RTL.
4680 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
4681 (preexpand_calls): Remove.
4682 * tree.c (first_rtl_op): Remove CALL_EXPR case.
4683 (unsave_expr_1): Likewise.
4684 * tree.def (CALL_EXPR): Give it only two slots.
4685 * tree.h (CALL_EXPR_RTL): Remove.
4687 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
4689 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
4690 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4693 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
4695 * calls.c (combine_pending_stack_adjustment_and_call): Don't
4696 adjust stack when unadjusted_alignment ends up as zero.
4698 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
4700 * fixinc/genfixes: Remove EGCS reference.
4701 * install.texi: Remove EGCS reference.
4702 * INSTALL: Regenerate.
4704 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4706 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
4708 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
4710 * diagnostic.c: Remove EGCS reference in comment.
4712 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4714 * loop.c (strength_reduce): Fix error in last change.
4716 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4718 * Makefile.in (SHLIB_NM_FLAGS): New.
4719 (libgcc.mk): Pass it.
4720 * mklibgcc.in (libgcc.map): Use it.
4722 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
4723 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
4725 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
4729 * sparc.c (load_pic_register): Delete unused varaible.
4731 * libgcc2.c (__addvsi3): Delete unused variable.
4733 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
4734 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
4735 __negvdi2): Prototype.
4737 * ssa.c (apply_delayed_renames): Avoid undefined operation.
4739 * toplev.c (display_target_options): Make static to match
4740 prototype. Delete empty declaration.
4742 2000-10-20 Tom Tromey <tromey@cygnus.com>
4744 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4745 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4747 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4749 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
4751 (expand_expr_unaligned, case ARRAY_REF): Check that index is
4752 a constant before comparing it; use tree_low_cst.
4753 * tree.c (save_expr): Set TREE_READONLY.
4754 (substitute_expr): Return inside of NON_LVALUE_EXPR.
4755 (build, build1): Set TREE_READONLY if all operands are.
4756 (build_index_type): If upper bound is a negative number, lower
4757 bound is zero and sizetype is unsigned, use upper bound of one and
4760 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4762 * gcc.c (process_command, main): Use "because" instead of
4763 "since" in error messages.
4765 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4767 * stor-layout.c (compute_record_mode): Use tree_low_cst.
4768 Don't use mode of field for record unless sizes are the same.
4769 (layout_type, case ARRAY_TYPE): Remove special bounds handling
4770 previously added for Ada; also change to using host_integerp
4773 * loop.c (strength_reduce): Show when new register made for
4774 giv is known to be a pointer and its aligment if so and known.
4775 (loop_dump_aux): Show VERBOSE parameter unused.
4777 * gcse.c (set_hash_table_size): Now unsigned.
4778 * sdbout.c (template_name_p): Add "const" to avoid warnings.
4779 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
4780 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
4781 (sdbout_end_epilogue): Remove variable NAME.
4782 * system.h (getopt): Add default definition.
4783 * config/alpha/alpha.c (print_operand): Don't continue processing
4784 after issuing error.
4785 (summarize_insn): Avoid use of UL in constant.
4787 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
4789 * fold-const.c (force_fit_type): Unsigned values can overflow
4790 if they are sizetype.
4791 (int_const_binop): Don't use cache if overflows.
4793 2000-10-20 Richard Henderson <rth@cygnus.com>
4795 * function.c (locate_and_pad_parm): Zero alignment_pad.
4797 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
4798 perform substitutions, and apply_change_group to see if it worked.
4800 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4802 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
4804 * combine.c (struct undo): Change int to unsigned int.
4805 (do_SUBST_INT): Args are unsigned int.
4806 (make_extraction, force_to_mode): Use proper type when forming mask.
4807 (make_field_assignment): Likewise.
4809 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
4811 * c-common.c (check_format_info_recurse): Extract string constant
4812 initializers from non-volatile constant arrays and check them as
4814 * c-typeck.c (decl_constant_value): Don't check pedantic or check
4815 for DECL_MODE (decl) != BLKmode.
4816 (decl_constant_value_for_broken_optimization): New function which
4817 includes these checks.
4818 (default_conversion, convert_for_assignment, digest_init): Use
4819 decl_constant_value_for_broken_optimization instead of
4820 decl_constant_value.
4822 2000-10-20 Mark Mitchell <mark@codesourcery.com>
4824 * tree.h (DECL_ALIGN_UNIT): New macro.
4826 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
4828 * config/avr/avr-protos.h (avr_output_bld): New.
4829 (out_shift_with_cnt): Add t_len argument.
4830 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
4831 (output_movqi, output_movhi, output_movsisf): Optimize loading
4832 any constant with exactly one bit set to NO_LD_REGS.
4833 (out_shift_with_cnt): Optimize output code for size or speed,
4834 depending on optimize_size. Handle small shift counts as well
4835 (if not hand-optimized in ?sh??i3_out). Shifts can be done
4836 with or without a scratch register, with help of __tmp_reg__
4837 or __zero_reg__ if necessary. Add T_LEN argument to pass the
4838 length of TEMPLATE in words, return total insn length in *LEN.
4839 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
4840 out_shift_with_cnt to work with the above change.
4841 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
4842 lshrsi3_out): Likewise. Optimize more known shift count cases.
4843 Remove cases already well optimized in out_shift_with_cnt.
4844 (avr_output_bld): New function.
4845 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
4846 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
4847 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
4848 Add reload_completed to insn condition - only for peepholes.
4849 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
4850 in a register or memory.
4851 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
4852 Do not require a scratch register.
4853 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
4854 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
4855 Optimize shifts by known count using a scratch register, but only
4856 if one is still available after register allocation.
4858 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4860 * t-vax: New file. Don't build modules from libgcc1.c.
4862 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
4864 * alias.c: (mark_constant_function): Don't check pure functions.
4865 Initialize and end alias analysis.
4866 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
4867 Don't make a special exception for recursion. Handle
4868 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
4869 unless it's volatile.
4871 * local-alloc.c (equivalence): New structure.
4872 (reg_equiv): Define.
4873 (contains_replace_regs): Remove array and use
4875 (memref_referenced_p): Likewise.
4876 (no_equiv): Likewise.
4877 (update_equiv_regs): Likewise.
4879 (equiv_init_varies_p,
4880 equiv_init_movable_p): New functions.
4881 (update_equiv_regs): Use them. Use rtx_varies_p
4882 instead of function_invariant_p. Process insns
4883 from end to beginning. Allow a REG_EQUIV insn
4884 within the same loop as a use to be moved, also
4885 allow it to be moved out of a loop. Update
4886 REG_DEAD notes when substituting into an insn.
4888 2000-10-19 Jim Wilson <wilson@cygnus.com>
4890 * c-decl.c (start_decl): Check for error_mark_node type before using
4892 (finish_decl): Likewise. Don't give an error if decl type is
4893 already error_mark_node.
4895 * haifa-sched.c (compute_trg_info): Add explanatory comments.
4896 New local update_blocks. Use update_blocks to remove duplicates
4897 when computing update blocks. Check for bblst_table overflow.
4898 (schedule_block): Add explanatory comment. Reduce bblst_size by
4900 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
4903 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4905 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
4907 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4909 * expmed.c: Minor corrections in comments.
4910 * invoke.texi: Added desciption for the new option -ftrapv.
4912 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4914 * libgcc2.c: Added the missing #endif.
4916 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4918 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
4920 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
4922 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
4923 Use smulv_optab for -ftrapv.
4924 (expand_mult_highpart): Use unsigned multiply.
4925 (expand_divmod): Special-case division by -1.
4926 For EXACT_DIV_EXPR, do right shift first, then the multiply.
4927 For complex divide, use abs with unsigned result.
4928 * expr.c (force_operand): Use unsigned multiply.
4929 (expand_expr): Use overflow-trapping optabs for signed types if
4931 If flag_trapv, don't generate a recursive call with EXPAND_SUM
4932 if the type is signed and the original call wasn't EXPAND_SUM or
4934 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
4935 (negv_optab, absv_optab): Declare.
4936 * flags.h (flag_trapv): Declare.
4937 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
4938 smulv_optab, sdivv_optab, negv_optab and absv_optab.
4939 (gen_insn): Interpret '$P' as requiring an integer mode,
4940 including partial integer modes.
4941 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
4942 (product_cheap_p): Use unsigned expand_mult.
4943 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
4944 (negv_optab, absv_optab): Define.
4945 (expand_binop): Use overflow-trapping optabs for signed types if
4947 Handle negv_optab libe neg_optab.
4948 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
4949 Use overflow-trapping optabs for signed result if flag_trapv.
4950 (expand_complex_abs): Use overflow-trapping optabs for signed types if
4952 Don't open-code complex absolute-value operation for flag_trapv.
4953 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
4954 sdivv_optab, negv_optab and absv_optab.
4955 * toplev.c (flag_trapv): Define.
4956 (lang_independent_options f_options): Include flag_trapv.
4957 * tree.h (TYPE_TRAP_SIGNED): Define.
4958 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4959 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4961 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4962 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4964 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4965 David V. Henkel-Wallace <gumby@cygnus.com>
4967 * config/i386/t-netware: Bring in from the Red Hat tree.
4968 * config/i386/netware.h: Likewise.
4969 * config/netware.h: Likewise.
4970 * config/rs6000/netware.h: Delete.
4971 * configure.in: Add i[34567]86-*-netware.
4972 * configure: Hand-edit to match configure.in change.
4974 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4976 * c-common.h (flag_no_builtin): Declare.
4977 (flag_no_nonansi_builtin): Likewise.
4978 (c_common_nodes_and_builtins): Change prototype.
4979 * c-common.c (flag_no_builtin): New variable.
4980 (flag_no_nonansi_builtin): Likewise.
4981 (c_common_nodes_and_builtins): Remove parameters. Adjust
4983 * c-decl.c (flag_no_builtin): Remove.
4984 (flag_no_nonansi_builtin): Likewise.
4985 (init_decl_processing): Adjust call to
4986 c_common_nodes_and_builtins.
4988 2000-10-18 Marc Espie <espie@openbsd.org>
4990 * tm.texi (LIBGCC_SPEC): Synch with reality.
4992 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4994 * c-common.c (check_format_types): Check for writing through a
4995 NULL pointer argument.
4997 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4999 * tm.texi (Exception Region Output): Document
5000 DWARF_CIE_DATA_ALIGNMENT.
5001 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
5003 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
5004 DWARF_CIE_DATA_ALIGNMENT.
5006 2000-10-18 Michael Hayes <mhayes@cygnus.com>
5008 * basic-block.h (struct loop): Delete fields pre_header_root
5009 and pre_header_trace and replace with pre_header_edges
5010 and num_pre_header_edges.
5011 * flow.c (flow_loop_dump): Dump pre_header_edges.
5012 (flow_loops_free): Free pre_header_edges.
5013 (flow_loop_pre_header_scan): Calculate pre_header_edges.
5015 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5017 * contrib.texi: Update references to steering committee members
5018 and Jeff Law's entry.
5020 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
5022 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
5023 (maybe_read_dollar_number, check_format_info_main): Use them for
5024 pedantic warning messages.
5026 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
5028 * c-common.c (check_format_info_main): Minor cleanup: move
5029 variables into inner scopes; initialize declarations where
5030 appropriate; don't hardcode "scanf" name on warning for zero
5033 2000-10-17 Mark Mitchell <mark@codesourcery.com>
5035 * c-common.c (back_end_hook): New variable.
5036 * c-common.h (back_end_hook): Declare it.
5037 * c-lang.c (finish_file): Use it.
5039 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
5042 2000-10-18 Jan Hubicka <jh@suse.cz>
5044 * i386.c (ix86_comparison_operator, put_condition_code,
5045 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
5046 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
5047 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
5048 * i386.md (adddi and negdi splitter): Use CCRCmode.
5049 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
5050 (subsi3_carry): add '*'
5051 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
5052 (cmp to add peep2): Use CCRCmode; swap operands.
5054 2000-10-18 Kazu Hirata <kazu@hxi.com>
5056 * h8300.c: Fix a comment typo.
5057 (round_frame_size): New.
5058 (compute_saved_regs): Likewise.
5061 (push_order): Remove.
5062 (pop_order): Likewise.
5063 (function_prologue): Rearrange code for readability.
5064 (function_epilogue): Likewise.
5066 * config/h8300/h8300.md: Remove an unnecessary sign_extend
5067 expander that is used when not optimizing. Output a tab after
5068 each assembly insns.
5070 * reorg.c: Fix formatting.
5072 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
5074 * reload1.c (move2add_note_store): Check for simple
5075 auto-inc in destination.
5077 2000-10-17 Michael Chastain <chastain@redhat.com>
5079 * config/i386/i386-aout.h: define INT_ASM_OP.
5081 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
5083 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
5085 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
5087 * i370.md: Fix spelling typo.
5089 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5091 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
5092 Fixes execute/20001017-1.c on powerpc-linux-gnu.
5094 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
5095 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
5098 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
5099 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
5101 * rs6000/aix.h: ...to here.
5102 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
5104 2000-10-17 Jakub Jelinek <jakub@redhat.com>
5106 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
5108 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
5109 sure linker can relax even the delay slot mov %g1,%o7, fix output
5112 2000-10-17 Kazu Hirata <kazu@hxi.com>
5114 * config/h8300/h8300.md: Remove an unnecessary zero_extend
5115 expander that is used when not optimizing. Output a tab after
5116 each assembly insns.
5118 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
5120 * gcc.c: New options --target-help.
5121 (process_command): Added code to parse this new option.
5122 * toplev.c (display_target_options): New function to support the
5124 * cppinit.c (new_pending_directive) : New option OPT_target__help.
5125 (cpp_handle_option): Support this new option.
5126 * invoke.texi: Added notes about --target-help option.
5128 2000-10-17 Graham Stott <grahams@redhat.com>
5130 * config/i386/i386.md (testqi_1): Add missing operand prefix
5132 * config/i386/i386-protos.h: Add missing prototype.
5134 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
5136 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
5137 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
5138 using -mintel-syntax.
5140 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5142 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
5143 (format_types): Use it for printf.
5144 (maybe_read_dollar_number): Add parameter for the kind of format
5145 involved. Warn for multiple use for arguments if this is
5146 inappropriate for the kind of format involved.
5147 (check_format_info_main): Update calls to maybe_read_dollar_number.
5149 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5151 * inclhack.def (hpux_maxint): Also apply fix to values.h.
5152 * fixincl.x: Rebuilt.
5154 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
5156 * genrecog.c (write_switch): Return the first condition that needs a
5159 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
5161 * c-tree.h (warn_sequence_point): Move declaration to...
5162 * c-common.h (warn_sequence_point): ... here.
5163 * c-decl.c (warn_sequence_point): Move definition to...
5164 * c-common.c (warn_sequence_point): ... here.
5165 (struct reverse_tree): New.
5166 (reverse_list, reverse_max_depth): New static variables.
5167 (build_reverse_tree, common_ancestor, modify_ok
5168 verify_sequence_points): New functions.
5169 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
5170 * c-typeck.c (check_modify_expr): Delete.
5171 (build_modify_expr): Don't call it.
5173 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5175 * c-common.h (warn_missing_format_attribute): New variable.
5176 * c-decl.c (warn_missing_format_attribute): New variable.
5177 (c_decode_option): Decode -Wmissing-format-attribute and
5178 -Wno-missing-format-attribute.
5179 * c-common.c (check_function_format): If
5180 -Wmissing-format-attribute, give a warning where a vprintf or
5181 vscanf function is called by a function without its own printf or
5183 * toplev.c (documented_lang_options): Add
5184 -Wmissing-format-attribute.
5185 * invoke.texi: Document -Wmissing-format-attribute.
5187 2000-10-17 Marc Espie <espie@openbsd.org>
5189 * invoke.texi (-shared): Insist on requiring code generation flags
5190 to be used along with -shared, and document the subtle failure that
5191 may occur otherwise.
5193 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5195 * pa.md (return_internal): Move `use' after `return'.
5197 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5199 * machmode.def: Correct comment.
5201 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
5203 * print-rtl.c (print_rtx_head): Constify.
5204 * rtl.h (print_rtx_head): Similarly.
5206 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
5207 Constify char * return value.
5209 (output_64bit_and, output_64bit_ior): Constify char * return value.
5210 (pa_can_combine_p): Make static.
5211 (function_arg): Decorate unused `named' argument. Fix comment typo.
5212 (function_arg_partial_nregs): Decorate unused `named' argument.
5214 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
5216 * c-common.c (format_check_results): New structure.
5217 (finish_dollar_format_checking): Adjust to take a
5218 format_check_results * parameter.
5219 (check_format_info, check_format_info_recurse,
5220 check_format_info_main): Split check_format_info into three
5221 functions, the main checking going in check_format_info_main.
5222 Recurse when any reduction of the format string argument towards a
5223 string literal is done; go down both branches of a conditional
5224 expression. Don't warn for extra format arguments or empty format
5225 strings if they only occur in some branches of a conditional
5228 2000-10-16 Kazu Hirata <kazu@hxi.com>
5230 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
5232 2000-10-16 Jakub Jelinek <jakub@redhat.com>
5234 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
5236 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
5238 * i386.md (*movsi_or): Switch operand order for intel syntax.
5240 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
5244 * gcc.texi (Contributing): Update.
5246 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
5248 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
5249 appropriate assembler dialect.
5251 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
5253 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
5255 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
5257 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
5258 constants 1 and 2 to NO_LD_REGS.
5260 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5262 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
5264 * objc/Make-lang.in (objc-parse.c): Likewise.
5266 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5268 * arm.c: Include obstack.h
5269 (minipool_obstack, minipool_startobj): Define.
5270 (arm_add_gc_roots): Initialize them.
5271 (create_fix_barrier): Use our new obstack.
5272 (push_minipool_barrier, push_minipool_fix): Likewise.
5273 (arm_reorg): Release obstack memory.
5275 2000-10-13 Jakub Jelinek <jakub@redhat.com>
5277 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
5278 (prologue, exception_receiver, builtin_setjmp_receiver): New
5280 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
5281 * config/sparc/sparc-protos.h (finalize_pic): Remove.
5282 (load_pic_register): New prototype.
5283 * config/sparc/sparc.c (pic_setup_code): Remove.
5284 (finalize_pic): Rename to...
5285 (load_pic_register): ...this function.
5286 Don't look for nonlocal_goto_receivers and emit pic setup code
5287 directly. Don't check current_function_uses_pic_offset_table.
5289 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5291 * tree.h (struct obstack): Declare.
5293 2000-10-12 Mark Mitchell <mark@codesourcery.com>
5296 * Makefile.in (ggc-callbacks.o): Remove target.
5297 (flow.o): Depend on GGC_H.
5298 * alias.c (init_alias_analysis):
5299 Remove ggc_p conditionals.
5300 (end_alias_analysis): Likewise.
5301 * basic-block.h (init_flow): New function.
5302 (allocate_reg_life_data): Declare.
5303 * bb-reorder.c (function_obstack): Replace with ...
5304 (flow_obstack): ... new variable.
5305 (fixup_reorder_chain): Use it.
5306 * c-decl.c (ggc_p): Remove.
5307 (caller-save.c): Don't call oballoc/obfree.
5309 undobuf): Remove storage.
5310 (try_combine): Don't call oballoc.
5311 (undo_all): Don't call obfree.
5312 * cse.c (insert): Use xmalloc, not
5314 (cse_main): Adjust accordingly.
5315 * dwarf2out.c (save_rtx): Remove
5317 (dwarf2out_init): Remove ggc_p conditionals.
5318 * emit-rtl.c (rtl_obstack): Remove.
5319 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
5320 (make_insn_raw): Likewise.
5321 (emit_insn_before): Likewise.
5322 (emit_insn_after): Likewise.
5323 (emit_insn): Likewise.
5324 (gen_sequence): Likewise.
5325 (copy_insn_1): Remove handling of `b' RTL components.
5326 (init_emit_once): Remove ggc_p conditionals.
5327 * except.c (create_rethrow_ref): Don't fool with obstacks.
5328 (add_partial_entry): Likewise.
5329 (call_get_eh_context): Likewise.
5330 (begin_protect_partials): Likewise.
5331 (protect_with_terminate): Likewise.
5333 (plus_constant_wide): Likewise.
5334 * expr.c (init_expr_once):
5336 (emit_block_move): Likewise.
5337 (clear_storage): Likewise.
5338 (expand_expr): Likewise.
5339 * flow.c (function_obstack): Remove.
5340 (flow_obstack): New variable.
5341 (flow_firstobj): Likewise.
5342 (create_base_block): Use the flow_obstack.
5343 (split_block): Likewise.
5344 (split_edge): Likewise.
5345 (calculate_global_regs_live): Likewise.
5346 (allocate_bb_life_data): Make it static. Likewiwse.
5347 (init_flow): New function.
5348 (size_int_type_wide): Remove ggc_p conditionals.
5350 (push_function_context_to): Don't call save_tree_status.
5351 (pop_function_context_from): Or restore_tree_status.
5352 (assign_stack_local_1): Don't call push_obstacks.
5353 (find_fixup_replacement): Use xmalloc.
5354 (fixup_var_refs_insns): Free the storage.
5355 (insns_for_mem_walk): Don't mess with obstacks.
5356 (instantiate_decls): Likewise.
5357 (trampoline_address): Likewise.
5358 (expand_function_end): Likewise.
5359 * function.h (sturct function):
5360 Remove obstack-related variables.
5361 (save_tree_status): Don't declare.
5362 (restore_tree_status): Likewise.
5363 * gcse.c (compute_can_copy):
5364 Don't call oballoc/obfree.
5365 * genattrtab.c (operate_exp): Remove
5367 (simplify_cond): Likewise.
5368 (simplify_test_exp): Don't mess with obstacks.
5369 (optimize_attrs): Likewise.
5370 * gengenrtl.c (gendef): Don't include
5372 * ggc-callbacks.c (ggc_p): Remove.
5373 * ggc-none.c (ggc_p): Remove.
5374 * ggc.h (ggc_p): Don't declare.
5375 * integrate.c (save_for_inline): Don't mess with obstacks.
5376 (integrate_decl_tree): Likewise.
5377 (output_inline_function): Likewise.
5379 (init_EXPR_INSN_LIST_cache): Likewise.
5380 * loop.c (temp_obstack):
5382 (rtl_obstack): Likewise.
5383 (init_loop): Don't mess with obstacks.
5384 (reg_address_cost): Free BIVs and GIVs.
5385 (check_insns_for_bivs): Use xmalloc, not oballoc.
5386 (find_mem_givs): Likewise.
5387 (record_biv): Likewise.
5388 (general_induction_var): Likewise.
5389 (product_cheap_p): Likewse.
5390 * optabs.c (init_one_libfunc): Remove
5392 * print-tree.c (debug_tree): Don't use
5394 (print_node): Likewise.
5395 * profile.c (output_func_start_profiler):
5396 Remove call to temporary_allocation.
5398 (eliminate_regs_in_insn): Don't mess with obstacks.
5400 (mark_target_live_regs): Use xmalloc.
5401 (free_resource_info): Free the memory.
5402 * rtl.c (rtl_obstack):
5404 (rtvec_alloc): Don't mess with obstacks.
5405 (rtx_alloc): Likewise.
5407 (copy_rtx): Don't handle `b' cases.
5408 (read_rtx): Use a local rtl_obstack.
5409 * rtl.h (oballoc): Remove.
5411 (pop_obstacks): Likewise.
5412 (push_obstacks): Likewise.
5413 (allocate_bb_life_data): Likewise.
5414 (allocate_reg_life_data): Likewise.
5415 (rtx_free): Likewise.
5416 * sdbout.c (sdbout_queue_anonymous_type):
5417 Use tree_cons, not saveable_tree_cons.
5419 (cselib_init): Don't mess with obstacks.
5421 (mark_block_nesting): Mark the label_chain.
5422 (epxand_label): Use ggc_alloc, not oballoc.
5423 (clear_last_expr): Don't mess with obstacks.
5424 (expand_decl_cleanup): Likewise.
5425 (expand_dcc_cleanup): Likewise.
5426 (expand_dhc_cleanup): Likewise.
5427 (expand_anon_union_decl): Likewise.
5428 (add_case_node): Use xmalloc, not oballoc.
5429 (free_case_nodes): New function.
5430 (expand_end_case): Call it.
5431 * stor-layout.c (layout_type): Don't
5433 (layout_type): Likewise.
5434 * toplev.c (wrapup_global_declarations):
5436 (compile_file): Remove ggc_p conditionals.
5437 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5438 (decode_f_option): Remove ggc_p conditionals.
5440 (function_maybepermanent_obstack): Remove.
5441 (maybepermanent_obstack): Likewise.
5442 (function_obstack): Likewise.
5443 (tmeporary_obstack): Likewise.
5444 (momentary_obstack): Likewise.
5445 (temp_decl_obstack): Likewise.
5446 (saveable_obstack): Likewise.
5447 (rtl_obstack): Likewise.
5448 (current_obstack): Likewise.
5449 (expression_obstack): Likewise.
5450 (struct obstack_stack): Likewise.
5451 (obstack_stack): Likewise.
5452 (obstack_stack_obstack): Likewise.
5453 (maybepermanent_firstobj): Likewise.
5454 (temporary_firstobj): Likewise.
5455 (momentary_firstobj): Likewise.
5456 (temp_decl_firstobj): Likewise.
5457 (momentary_function_firstobj): Likewise.
5458 (all_types_permanent): Likewise.
5459 (struct momentary_level): Likewise.
5460 (momentary_stack): Likewise.
5461 (init_obstacks): Remove initialization of removed obstacks.
5462 (save_tree_status): Remove.
5463 (restore_tree_status): Likewise.
5464 (temporary_allocation): Liekwise.
5465 (end_temporary_allocation): Liekwise.
5466 (resume_temporary_allocation): Likewise.
5467 (saveable_allocation): Likewise.
5468 (push_obstacks): Likewise.
5469 (push_obstacks_nochange): Likewise.
5470 (pop_obstacks): Likewise.
5471 (allocation_temporary_p): Likewise.
5472 (permanent_allocation): Likewise.
5473 (preserve_data): Likewise.
5474 (preserve_initializer): Likewise.
5475 (rtl_in_current_obstack): Likewise.
5476 (rtl_in_saveable_obstack): Likewise.
5477 (oballoc): Likewise.
5479 (savealloc): Likewise.
5480 (expralloc): Likewise.
5481 (print_obstack_name): Likewise.
5482 (debug_obstack): Likewise.
5483 (object_permanent_p): Likewise.
5484 (push_momentary): Likewise.
5485 (perserve_momentary): Likewise.
5486 (clear_momentary): Likewise.
5487 (pop_momentary): Likewise.
5488 (pop_momentary_nofree): Likewise.
5489 (suspend_momentary): Likewise.
5490 (resume_momentary): Likewise.
5491 (make_node): Don't set TREE_PERMANENT.
5492 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5493 Don't set TREE_PERMANENT.
5494 (get_identifier): Remove ggc_p conditionals.
5495 (build_string): Likewise.
5496 (make_tree_vec): Likewise.
5497 (build_decl_list): Remove.
5498 (build_expr_list): Likewise.
5499 (tree_cons): Remove ggc_p conditionals.
5500 (decl_tree_cons): Remove.
5501 (expr_tree_cons): Likewise.
5502 (perm_tree_cons): Likewise.
5503 (temp_tree_cons): Likewise.
5504 (saveable_tree_cons): Likewise.
5505 (build1): Remove ggc_p conditionals.
5506 (build_parse_node): Likewise.
5507 (build_type_attribute_variant): Don't mess with obstacks.
5508 (build_type_copy): Likewise.
5509 (type_hash_canon): Likewise.
5510 (build_pointer_type): Likewise.
5511 (build_reference_type): Likewise.
5512 (build_index_type): Likewise.
5513 (build_range_type): Likewise.
5514 (dump_tree_statistics): Don't print obstack information.
5516 (struct tree_common): Remove permanent_flag.
5517 (TREE_PERMANENT): Remove.
5518 (TREE_SET_PERMANENT): Likewise.
5519 (TYPE_OBSTACK): Likewise.
5520 (struct tree_type): Remove obstack.
5522 (savealloc): Likewise.
5523 (build_decl_list): Likewise.
5524 (build_expr_list): Likewise.
5525 (perm_tree_cons): Likewise.
5526 (temp_tree_cons): Likewise.
5527 (saveable_tree_cons): Likewise.
5528 (decl_tree_cons): Likewise.
5529 (expr_tree_cons): Likewise.
5530 (suspend_momentary): Likewise.
5531 (allocation_temporary_p): Likewise.
5532 (resume_momentary): Likewise.
5533 (push_obstacks_nochange): Likewise.
5534 (permanent_allocation): Likewise.
5535 (push_momentary): Likewise.
5536 (clear_momentary): Likewise.
5537 (pop_momentary): Likewise.
5538 (end_temporary_allocation): Likewise.
5539 (pop_obstacks): Likewise.
5540 (push_obstacks): Likewise.
5541 (pop_momentary_nofree): LIkewise.
5542 (preserve_momentary): Likewise.
5543 (saveable_allocation): Likewise.
5544 (temporary_allocation): Likewise.
5545 (resume_temporary_allocation): Likewise.
5546 (perserve_initializer): Likewise.
5547 (debug_obstack): Likewise.
5548 (rtl_in_current_obstack): Likewise.
5549 (rtl_in_saveable_obstack): Likewise.
5551 * varasm.c (current_obstack): Remove.
5552 (saveable_obstack): Remove.
5553 (rtl_obstack): Remove.
5554 (immed_double_const): Don't mess with obstacks.
5555 (immed_real_cons): Likewise.
5556 (output_constant_def): Likewise.
5557 (init_varasm_status): Use xcalloc.
5558 (mark_pool_constant): Mark the pool constant itself.
5559 (free_varasm_status): Free memory.
5560 (decode_rtx_const): Call bzero directly, rather than expanding it
5562 (record_rtx_const): Don't mess with obstacks.
5563 (force_const_mem): Likewise.
5564 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
5566 (aof_pic_entry): Likewise.
5567 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
5568 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
5569 * config/pa/pa.c (saveable_obstack): Remove.
5570 (rtl_obstack): Likewise.
5571 (current_obstack): Likewise.
5572 (output_call): Don't mess with obstacks.
5573 (hppa_encode_label): Remove ggc_p conditionals.
5574 * config/romp/romp.c (get_symref): Don't mess with obstacks.
5575 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
5576 (rs6000_encode_section_info): Likewise.
5577 * config/sh/sh.c (get_fpscr_rtx): Likewise.
5579 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
5581 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
5582 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
5583 (addsi3_carry): Canonicalize.
5584 (addqi_5): Remove '*'.
5585 (sbb pattern): Canonicalize.
5587 * i386.md (cmp to inc/add peep2): New.
5589 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
5591 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
5594 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5596 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
5597 * README.TRAD, TESTS.FLUNK: Remove.
5599 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5601 * c-common.c (decl_attributes): Don't allow strftime formats with
5602 first_arg_num nonzero.
5603 (check_format_info): Set wanted_type and wanted_type_name to zero
5604 before they are possibly assigned and used.
5606 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5608 * c-common.c (scanf_flag_specs): Add flags ' and I.
5609 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5610 or the ^ and # flags together.
5611 (scan_char_table): Handle the ' and I flags.
5612 (format_types): Add ' and I flags for scanf.
5614 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5616 * c-common.c (print_char_table): Use the unpromoted type for
5617 lengths "h" and "hh" with conversions dioxXu.
5618 (check_format_types): Apply the default argument promotions where
5619 the wanted type is not a pointer target.
5621 2000-10-11 Michael Meeks <mmeeks@gnu.org>
5622 Joseph S. Myers <jsm28@cam.ac.uk>
5624 * c-typeck.c (check_modify_expr): New function.
5625 (build_modify_expr): Call it if warn_sequence_point.
5626 * c-decl.c (warn_sequence_point): New variable.
5627 (c_decode_option): Handle -Wsequence-point and
5628 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
5629 * c-tree.h (warn_sequence_point): Declare.
5630 * invoke.texi (-Wsequence-point): Document.
5631 * toplev.c (documented_lang_options): Add -Wsequence-point and
5632 -Wno-sequence-point.
5633 Original work by Michael Meeks, 16 Jun 1998.
5635 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5637 * tree.c (get_narrower): Don't look at precision of field if
5640 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
5642 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
5643 declaration for data with "progmem" attribute.
5645 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
5647 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
5648 Correct insn length if shift count is a memory operand.
5649 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
5650 (*iorhi3_clobber): Change lo8 to hi8.
5651 (zero_extendhisi2): Change %B0 to %A1.
5652 (ashlhi3, ashrhi3): Correct insn length.
5653 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
5654 from "clobber" to "set_n" in some alternatives.
5656 2000-10-10 Jakub Jelinek <jakub@redhat.com>
5658 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
5659 remove its insn_chain structure as well.
5661 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5663 * dbxout.c (dbxout_source_line): Remove extra tab.
5665 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
5667 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
5669 2000-10-09 Richard Henderson <rth@cygnus.com>
5671 * Makefile.in (LANG_LIB2FUNCS): Remove.
5672 (LIB2FUNCS): Remove _pure.
5673 (LIB2ADD): Remove LANG_LIB2FUNCS.
5674 (stage_a): Don't set LANG_LIB2FUNCS.
5675 * libgcc2.c (__terminate): Mark noreturn.
5676 (__pure_virtual): Remove.
5677 * mklibgcc.in: Remove LIB2ADD .txt processing.
5679 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5681 * arm.md (push_multi): Revert unintended change.
5683 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5685 * arm.c: Miscellaneous white space and comment clean-ups. No
5689 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5691 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
5692 STRING_CST by calling combine_strings.
5694 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5696 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
5697 (thumb_output_move_mem_multiple): Support new insn format.
5698 * arm.md (movmem12b): Use SSA compatible format.
5699 (movmem8b): Likewise.
5701 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5703 * arm.md (predicable): New attribute, default to "no".
5704 (all patterns): Mark as predicable if appropriate.
5705 (conditional execution splits): Split using predication format.
5706 (define_cond_exec): Define.
5707 * arm.c (arm_print_operand): handle insn predicate.
5709 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5711 * README.NS32K: Remove file.
5713 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5715 * README-bugs: Remove file.
5717 2000-10-08 Philipp Thomas <pthomas@suse.de>
5718 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
5720 * configure: Rebuilt.
5722 2000-10-08 Philipp Thomas <pthomas@suse.de>
5723 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
5724 disable catalog building if no suitable program was found.
5725 Move warning message from here
5726 (AM_GNU_GETTEXT): To here.
5727 * configure: Rebuilt.
5729 2000-10-08 Philipp Thomas <pthomas@suse.de>
5730 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
5731 different cache variables.
5732 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
5733 uses different cache variables.
5734 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
5735 * configure: Regenerated.
5737 2000-10-08 Richard Henderson <rth@cygnus.com>
5739 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
5740 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
5741 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
5744 * config/t-linux (SHLIB_EXT): New.
5745 (SHLIB_LINK): Use the entire build command, with substitutions.
5746 (SHLIB_LIBS): Remove.
5747 * config/alpha/t-osf4: Likewise.
5748 * config/mips/t-iris6: Likewise.
5749 * config/sparc/t-sol2: Likewise, but move shlib stuff...
5750 * config/sparc/t-slibgcc-sld: ...here.
5751 * config/sparc/t-slibgcc: New file.
5753 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5755 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
5756 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
5758 (intmax_type_node, uintmax_type_node): Define.
5759 * c-common.c (decl_attributes): If pedantic, warn if `mode'
5760 attributes create a type wider than intmax_t.
5761 (T_IM, T_UIM): Define properly.
5762 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
5764 (init_decl_processing): Initialize intmax_type_node and
5766 * c-lex.c (lex_number): When pedantic and warning for integer
5767 constants that are too large, in C99 mode warn for those that have
5768 a type wider than long long.
5770 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5772 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
5773 FMT_FLAG_FANCY_PERCENT_OK): Define.
5774 (format_char_info): Add flag "4" to comment.
5775 (format_flag_spec, format_flag_pair): New structures.
5776 (format_kind_info): Add additional fields to control format
5778 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
5779 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
5781 (time_char_table): Use "4" flag to handle %Ey.
5782 (format_types): Add entries for new fields.
5783 (get_flag_spec): New function.
5784 (check_format_info): Increase size of flag_chars[] to 256.
5785 Control format checking using the new fields of a format_kind_info
5786 and the new tables; remove all conditionals on printf_format_type,
5787 scanf_format_type or strftime_format_type. Handle all details of
5788 bad combinations of flags (including width, precision and strftime
5789 modifiers) through data rather than ad hoc code. Handle all
5790 details of standard versions in which flags appeared through
5791 data. Use the "4" flag.
5793 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
5795 * config/h8300/h8300.md: Remove the memory alternative and correct
5796 the insn lengths in the templates for sign extention and zero
5799 2000-10-07 Richard Henderson <rth@cygnus.com>
5801 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
5802 * flow.c (make_edges): Revert last change.
5804 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
5806 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
5808 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
5810 * config/alpha/elf.h: Standardize the formatting.
5812 2000-10-06 David O'Brien <obrien@FreeBSD.org>
5814 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
5817 2000-10-06 Richard Henderson <rth@cygnus.com>
5819 * function.c (diddle_return_value): Examine
5820 current_function_return_rtx instead of the DECL_RESULT.
5821 (expand_function_end): Handle reloading DECL_RESULT from memory
5822 into a hard register. Query promote_mode for sign of mismatched
5825 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5827 * haifa-sched.c (schedule_insns): Fix typo in freeing
5828 forward_dependency_cache.
5830 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5832 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
5833 `TARGET_SH2' as a condition.
5835 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5837 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
5838 forward_dependency_cache): New variables.
5839 (add_dependence, remove_dependence): Use anti_dependency_cache and
5840 output_dependency_cache.
5841 (compute_block_forward_dependences): Use forward_dependency_cache.
5842 (schedule_insns): Allocate and free memory for anti/output/forward
5843 dependencies caches.
5845 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5847 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
5848 `! TARGET_SH1'. Reindent.
5850 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
5853 Move functions from here ...
5855 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
5857 (c_expand_builtin): New function.
5858 (init_function_format_info): Don't set `check_function_format_ptr'.
5859 (c_common_nodes_and_builtins): Set built_in_class type for
5860 printf/__builtin_printf to BUILT_IN_FRONTEND.
5861 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
5863 * c-common.h (build_function_call): Declare.
5865 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
5866 to `lang_expand_expr' rather than `expand_builtin'.
5868 * tree.c (check_function_format_ptr): Delete.
5870 * tree.h (check_function_format_ptr): Likewise.
5872 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
5874 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
5875 DW_OP_bregx when cfa->reg > 31.
5877 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
5880 2000-10-05 Richard Henderson <rth@cygnus.com>
5882 * c-decl.c (warn_missing_noreturn): Remove.
5883 (c_expand_body): Don't set or check can_reach_end.
5884 * c-tree.h (warn_missing_noreturn): Move ...
5885 * flags.h: ... here.
5886 (can_reach_end): Remove.
5887 * flow.c (check_function_return_warnings): New.
5888 (make_edges): No edge to exit for noreturn sibcalls.
5889 * function.c (expand_function_end): Save the return value
5890 clobber instruction.
5891 (mark_function_status): Mark it.
5892 * function.h (struct function): Add x_clobber_return_insn.
5893 * jump.c (can_reach_end): Remove.
5894 (calculate_can_reach_end): Remove.
5895 (jump_optimize_1): Don't call it.
5896 * output.h (check_function_return_warnings): Declare.
5897 * toplev.c (warn_missing_noreturn): Move from c-decl.c
5898 (rest_of_compilation): Call check_function_return_warnings.
5900 2000-10-05 Richard Henderson <rth@cygnus.com>
5902 * Makefile.in (NM_FOR_TARGET): New.
5903 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
5904 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
5905 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
5906 shared library build on that and EXTRA_MULTILIB_PARTS.
5907 * mkmap-flat.awk: New file.
5908 * mkmap-symver.awk: New file.
5909 * libgcc-std.ver: New file.
5910 * config/libgcc-glibc.ver: New file.
5911 * config/ia64/libgcc-ia64.ver: New file.
5912 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5913 (SHLIB_LINK): Add --version-script.
5914 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
5915 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5916 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5917 (SHLIB_LINK): Add -M.
5919 2000-10-05 Richard Henderson <rth@cygnus.com>
5921 * Makefile.in (LIB2FUNCS): Add _clz.
5922 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
5923 (__clz_tab): Put in its own unit, non-static.
5924 * libgcc2.h: Always include longlong.h.
5926 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
5927 a zero instead of -1.
5928 (count_trailing_zeros): Likewise.
5930 2000-10-05 Richard Henderson <rth@cygnus.com>
5932 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
5933 when second op1 is const0_rtx. Validate op0 as a register.
5934 * config/alpha/alpha.md (setcc_internal): Don't allow constants
5935 in the first argument of the compare.
5936 (setcc_swapped_internal): Likewise.
5937 (setne_internal): Likewise.
5939 2000-10-05 Geoff Keating <geoffk@cygnus.com>
5941 * tree.c (tree_size): New function split out of copy_node.
5942 (make_node): Remove obstack handling. Use tree_size.
5943 (copy_node): Use tree_size.
5944 * tree.h: Prototype tree_size.
5946 2000-10-05 Richard Henderson <rth@cygnus.com>
5948 * diagnostic.c (output_format): Add missing break.
5950 2000-10-05 Jim Wilson <wilson@cygnus.com>
5952 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
5953 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
5954 sequence insn to INSN, and delete last sequence insn.
5956 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
5958 * gcc.c (main): Include generated configargs.h header
5959 and use arguments in '-v' output.
5961 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5963 * gcc.c: Move data on prefixes forward in file and reorganize.
5964 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5965 Always define, but make null if no value.
5966 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5967 and "md_startfile_prefix_1".
5968 (main): Check whether md_exec_prefix and the others are the
5969 null string rather than whether the macro is defined.
5971 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5973 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5974 from PSImode to SImode.
5976 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5978 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5979 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5980 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5983 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5985 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5986 negation in proper type.a
5988 2000-10-04 Richard Henderson <rth@cygnus.com>
5990 * configure.in (enable-shared): New.
5991 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5992 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5993 * mklibgcc.in: Use them to link shared a libgcc.
5994 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5995 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5996 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5997 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5999 * configure.in (alpha-osf*): Use t-osf and x-osf.
6000 * config/alpha/t-osf: New file.
6001 * config/alpha/t-osf4: New file.
6002 * config/alpha/x-osf: New file.
6003 * config/alpha/x-alpha: Remove file.
6005 2000-10-04 Will Cohen <wcohen@redhat.com>
6007 * c-typeck.c (process_init_element): Added warning for zero-length
6010 * extend.texi (Zero Length): State that static initializers for
6011 zero-length arrays are not allowed.
6013 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
6015 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
6018 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6020 * config/float-c4x.h: New.
6021 * configure.in (c4x-*): Set float_format to c4x.
6022 * configure: Regenerate.
6024 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6026 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
6027 compilation for solaris versions 2.7 and greater.
6029 2000-10-02 Marc Espie <espie@openbsd.org>
6031 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
6032 instead of redefining from scratch.
6034 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
6036 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
6038 2000-10-01 Mark Mitchell <mark@codesourcery.com>
6040 * config/ns32k/genix.h: Remove.
6041 * config/ns32k/x-genix: Likewise.
6042 * config/ns32k/xm-genix.h: Likewise.
6043 * config/fx80: Remove all filee in directory.
6044 * config/pyr: Likewise.
6045 * config/tahoe: Likewise.
6046 * config/gmicro: Likewise.
6047 * config/spur: Likewise.
6048 * configure.in: Remove configury bits for above targets.
6049 * configure: Regenerated.
6051 * configure.in: Don't configure chill by default.
6052 * configure: Regenerated.
6054 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
6055 (lang_mark_false_label_stack): Remove.
6056 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
6057 <top level> string in GC area.
6058 (mark_splay_tree_node): New function.
6059 (mark_splay_tree): Likewise.
6060 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
6062 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
6063 * ggc-common.c (lang_mark_false_label_stack): Change type.
6064 * ggc.h (ggc_alloc_string): Add comment.
6065 (ggc_strdup): New function.
6067 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
6069 * config/avr/avr.h (BRANCH_COST): Define as 0.
6071 * config/pdp11/pdp11.c: #include "tree.h" added.
6073 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
6075 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
6076 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
6077 with known shift count.
6078 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
6079 New alternative for shift count 2 with no scratch register.
6080 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
6081 "set_n" for shift counts 1 and 2.
6083 2000-09-30 Geoff Keating <geoffk@cygnus.com>
6085 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
6086 the mask value from the individual SET operations.
6087 (return_internal_si): Move the USE after the RETURN.
6088 (return_internal_di): Likewise.
6089 (return_and_restore_fpregs_si): Likewise.
6090 (return_and_restore_fpregs_di): Likewise.
6091 (return_eh_si): Likewise.
6092 (return_eh_di): Likewise.
6093 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
6095 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
6096 Don't generate a PARALLEL around a single operation movsi_to_cr.
6097 Generate the RETURN first in any PARALLELs.
6099 * rtlanal.c (single_set_1): Use fatal_insn to display the
6100 invalid insn. Check for more cases when a USE or CLOBBER occurs
6102 * Makefile.in: Update dependencies for rtlanal.o.
6104 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6106 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
6108 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6110 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
6111 Consistently use @email for formatting email addresses.
6113 2000-09-29 Richard Henderson <rth@cygnus.com>
6115 * cse.c (notreg_cost): New argument outer.
6116 (COST): Pass in SET to notreg_cost
6118 (fold_rtx): Use COST_IN. Prefer constants when costs
6121 2000-09-29 David Edelsohn <edelsohn@gnu.org>
6123 * fixinc/inclhack.def (broken_cabs): Generalize regex.
6124 * fixinc/fixincl.x: Regenerate.
6126 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6128 * loop.c (check_final_value): A GIV is not replaceable if used
6131 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
6133 * version.c: Bump to gcc-2.97.
6135 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
6137 * final.c (final_scan_insn): Remove extra extract_insn call;
6138 Use caching for constrain_operands.
6139 (cleanup_subreg_operands): Use caching for extract_insn.
6140 * recog.c (constrain_operands_cached): New.
6141 * recog.h (constrain_operands_cached): Declare.
6142 * i386.c (ix86_attr_length_immediate_default,
6143 ix86_attr_length_address_default, ix86_agi_dependant): Cache
6146 * recog.c (asm_noperands): Tweak.
6147 (extract_insn): Do not call asm_noperads for non-asm instructions.
6149 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
6151 * recog.c (recog_memoized): Rename to recog_memoized_1.
6152 * recog.h (recog_memoized): Rename to recog_memoized_1.
6153 (recog_memoized): New macro.
6154 * rtl.h (single_set): Rename to single_set_1
6155 (single_set): New macro.
6156 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
6159 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
6160 Do not use match_dup of input operands at outputs.
6161 Use register_operand for memory expression.
6162 (rep_movsi): Put use last, canonicalize.
6163 Use register_operand for memory expression.
6164 (rep_movqi): Put use last.
6165 Use register_operand for memory expression.
6166 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
6167 of input operands at outputs. Use register_operand for memory
6169 (rep_stossi): Put use last; canonicalize; fix match_dup in
6170 the address expression
6171 (rep_stosqi): Likewise.
6172 (memcmp expander): Update calls.
6173 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
6176 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
6178 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
6180 2000-09-28 David O'Brien <obrien@FreeBSD.org>
6182 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
6183 Contains the old contents of config/i386/freebsd.h
6184 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
6185 Contains the old contents of config/i386/freebsd-elf.h
6186 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
6187 config/i386/freebsd.h.
6188 * configure.in: Adjust for above changes.
6189 * po/POTFILES.in: Likewise.
6190 * po/en_GB.po: Likewise.
6191 * po/gcc.pot: Likewise.
6192 * configure: Rebuilt.
6194 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6196 * doloop.c (doloop_modify): Prevent delete_insn() from
6197 deleting too much. Prefer loop->top over loop->start as
6198 target for the new JUMP insn.
6199 (doloop_valid_p): Ignore loop with exit_count != 0.
6201 2000-09-28 Philipp Thomas <pthomas@suse.de>
6203 * invoke.texi (i386 Options): Add athlon to table of possible
6206 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
6208 * diagnostic.h (output_clear_message_text): New function.
6209 (output_message_text): New macro.
6211 * diagnostic.c (clear_text_info): Rename to
6212 output_clear_message_text.
6213 (output_clear): Adjust.
6214 (output_finish): Rename to output_finalize_message. Tweek.
6215 (output_to_stream): Adjust.
6217 2000-09-28 Neil Booth <neilb@earthling.net>
6219 * cpperror.c (_cpp_begin_message): Do the test for suppression
6220 of warnings and pedantic warnings before the "is a warning an
6222 * cppinit.c (cpp_handle_option): Remove surplus \n.
6223 * cpplex.c (ON_REST_ARG): Delete.
6224 (skip_block_comment): Initialise prevc.
6225 (parse_args): Improve error messages.
6226 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
6228 * cpplib.c (cpp_push_buffer): Fix grammar in message.
6229 * cppmain.c (main): Set callbacks for #ident and #pragma
6230 only if no_output option is false.
6231 (do_pragma_implementation): Only call the #pragma handler
6232 if it is set in the cpp_reader structure.
6234 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
6236 * integrate.c (copy_insn_list): if an ignored return value
6237 is being clobbered, skip cloning that into the inline copy.
6239 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
6241 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
6242 use @uref for formatting URLs.
6244 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
6246 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
6249 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
6251 * gcc.c (cpp_options): Add spec for -ftabstop=.
6252 (invoke_as): New spec that handles invoking as.
6253 Update specs to handle -save-temps and -traditional.
6254 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
6256 * cp/lang-specs.h, objc/lang-specs.h: Update to use
6257 invoke_as, and handle -save-temps and -traditional (if
6260 2000-09-26 Jakub Jelinek <jakub@redhat.com>
6262 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
6264 (function_arg_slotno): Accept TImode/CTImode.
6265 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
6268 2000-09-26 Michael Hayes <mhayes@cygnus.com>
6270 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
6273 2000-09-25 Jim Wilson <wilson@cygnus.com>
6275 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
6276 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
6277 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
6278 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
6280 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
6282 * cpplex.c (parse_args): Don't set VOID_REST flag.
6283 (CONTEXT_VARARGS): New flag.
6284 (maybe_paste_with_next): Set context earlier in loop. Use
6285 it. Do varargs test with CONTEXT_VARARGS flag.
6286 (push_arg_context): Set CONTEXT_VARARGS flag if we're
6287 pushing an argument context for a varargs argument.
6288 * cpplib.h (VOID_REST): Delete.
6289 * gcc.dg/cpp/vararg1.c: Add test case.
6291 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
6293 * flags.h: Declare warning flag warn_system_headers.
6294 * toplev.c: Define it.
6295 (W_options): Add option -Wsystem-headers.
6296 * diagnostic.c (count_error): Test warn_system_headers.
6297 * invoke.texi: Add description for -Wsystem-headers.
6298 * cpplib.h (cpp_options): New member warn_system_headers.
6299 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
6300 CPP_IN_SYSTEM_HEADER.
6301 * cpplib.c (do_import, do_pragma_once): Likewise.
6302 * cpperror.c (_cpp_begin_message): Test warn_system_headers
6303 and CPP_IN_SYSTEM_HEADER.
6304 * cppinit.c (handle_option): Recognize -Wsystem_headers.
6305 (print_help): Describe -Wsystem_headers.
6306 * cpplex.c (lex_line): Reorganize condition so that warnings
6307 about C++ comments in system headers can be enabled. Remove
6308 label do_line_comment.
6310 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
6312 * cpplex.c (save_comment): Only store the initial '/'
6314 (lex_token): Combine handling of the two comment types.
6315 Pass everything but the initial '/' to save_comment.
6317 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
6319 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
6320 _cpp_can_paste): New library-internal prototypes.
6321 * cpplex.c (dump_param_spelling, output_line_command,
6322 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
6323 cpp_printf, cpp_output_list): Move to cppoutput.c.
6324 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
6325 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
6327 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
6328 dump_param_spelling, output_line_command, cpp_scan_buffer,
6329 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
6331 * Makefile.in: Add cppoutput.c.
6332 * po/POTFILES.in: Add cppoutput.c.
6334 2000-09-25 Richard Henderson <rth@cygnus.com>
6336 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
6337 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
6338 split until after reload.
6339 (rotlsi3, rotldi3): New.
6341 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
6343 * diagnostic.c (output_last_position): Define.
6344 (set_real_maximum_length): Tweek.
6345 * diagnostic.h (output_last_position): Declare.
6347 2000-09-25 Kazu Hirata <kazu@hxi.com>
6349 * config/i386/i386.c: Fix formatting.
6351 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
6353 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
6354 UNITS_PER_WORD is small.
6356 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
6358 * c-common.c (format_char_info): Add flags2; update comments.
6359 (print_char_table, scan_char_table, time_char_table): Split some
6360 flags out into flags2.
6361 (check_format_info): Use flags2 for those flags, for identifying
6362 the initial character of a scanf scanset, and for identifying
6363 printf formats where the '0' flag is ignored with precision.
6365 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
6367 Changes below marked "here" add TABs on either or both sides,
6368 covering start of line, up to any operand for all noted .*ASM.*_OP
6369 definitions. All callers changed.
6370 * tm.texi: Make documented *_ASM.*_OP:s include spacing
6371 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
6372 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6373 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6374 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
6375 Fix typos in description for LONG_LONG_TYPE_SIZE and
6376 FINI_SECTION_ASM_OP.
6377 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
6378 why these defaults don't have leading spacing.
6379 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
6380 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6381 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
6382 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
6383 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
6384 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
6385 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
6386 * varasm.c (ASM_STABS_OP): Here.
6387 * xcoffout.h (ASM_STABS_OP): Here.
6388 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6389 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6390 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6391 STRING_ASM_OP): Here.
6392 * config/freebsd.h (IDENT_ASM_OP): Here.
6393 * config/linux-aout.h (SET_ASM_OP): Here.
6394 * config/linux.h (SET_ASM_OP): Here.
6395 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6397 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6398 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6399 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6400 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6402 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6403 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6404 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6405 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6406 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6407 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6408 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6409 * config/a29k/udi.h (INT_ASM_OP): Here.
6410 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6411 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6413 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6414 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6415 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6416 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6417 ASM_STABD_OP): Here.
6418 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6419 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6420 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6421 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6422 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6423 SIZE_ASM_OP, STRING_ASM_OP): Here.
6424 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6425 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6426 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6427 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6428 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6429 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6431 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6432 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6433 * config/arm/coff.h (INT_ASM_OP): Here.
6434 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6435 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6436 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6437 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6438 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6439 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6440 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6441 STRING_ASM_OP): Here. Update documentation copy in comments.
6442 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6443 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6444 DATA_SECTION_ASM_OP): Here.
6445 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6447 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6448 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6449 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6450 BSS_SECTION_ASM_OP): Here.
6451 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6452 BSS_SECTION_ASM_OP): Here.
6453 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6455 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6456 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6457 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6458 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6459 BSS_SECTION_ASM_OP): Here.
6460 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6461 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6462 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6463 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6464 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6466 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6467 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6469 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6470 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6471 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6472 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6474 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6475 * config/i386/netbsd.h (INT_ASM_OP): Here.
6476 * config/i386/openbsd.h (INT_ASM_OP): Here.
6477 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6478 IDENT_ASM_OP): Here.
6479 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6480 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6481 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6482 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6483 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6484 SHARED_BSS_SECTION_ASM_OP): Here.
6485 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6486 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6487 DATA_SECTION_ASM_OP): Here.
6488 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6489 CONST_SECTION_ASM_OP): Here.
6490 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6491 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6492 BSS_SECTION_ASM_OP): Here.
6493 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6494 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6495 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6496 BSS_ASM_OP): Here, but use trailing spaces.
6497 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6498 DATA_SECTION_ASM_OP): Here.
6499 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6501 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6502 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6503 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6504 TDESC_SECTION_ASM_OP): Here.
6505 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6506 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6507 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6509 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6510 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6511 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6512 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6513 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6514 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6515 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6516 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6517 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6518 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6519 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6520 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6522 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6523 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6524 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6525 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6526 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
6527 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
6528 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
6529 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6530 GLOBAL_ASM_OP): Here.
6531 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
6532 BSS_SECTION_ASM_OP): Here.
6533 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
6534 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6535 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
6536 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
6538 * config/m68k/newsgas.h (SET_ASM_OP): Here.
6539 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
6540 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6541 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6542 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6543 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
6544 but use trailing spaces.
6545 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
6546 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
6547 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
6549 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6550 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6551 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6552 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6553 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6554 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
6555 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
6556 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
6557 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
6558 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
6559 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6560 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
6562 * config/m88k/openbsd.h (SET_ASM_OP): Here.
6563 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6564 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6565 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
6566 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
6567 DTORS_SECTION_ASM_OP): Here.
6568 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
6569 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6570 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
6571 BSS_SECTION_ASM_OP): Here.
6572 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
6573 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
6574 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
6575 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
6576 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
6577 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6578 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
6579 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
6581 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
6583 * config/mips/osfrose.h (SET_ASM_OP): Here.
6584 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
6585 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
6586 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
6587 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6589 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
6590 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
6591 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
6592 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
6593 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
6594 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6596 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6598 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
6599 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
6600 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
6602 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
6603 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
6604 * config/sparc/linux.h (COMMON_ASM_OP): Here.
6605 * config/sparc/linux64.h (COMMON_ASM_OP,
6606 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6607 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
6608 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6609 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
6610 * config/sparc/pbd.h (ASM_INT_OP): Here.
6611 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
6612 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6613 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
6614 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
6615 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
6616 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
6617 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
6618 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
6619 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
6620 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6621 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6622 EH_FRAME_SECTION_ASM_OP): Here.
6623 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
6624 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6626 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6628 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
6629 TCOMMON_ASM_OP): Here.
6630 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6632 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6635 2000-09-25 Richard Henderson <rth@cygnus.com>
6637 * expmed.c (store_bit_field): Adjust last change to not consider
6638 any word-sized field naturally aligned.
6640 2000-09-24 Richard Henderson <rth@cygnus.com>
6642 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
6643 TFmode unordered compares properly. Revalidate integer compare
6645 (alpha_emit_setcc): New.
6646 (alpha_emit_conditional_move): Revalidate integer compare operands.
6647 * config/alpha/alpha-protos.h: Update.
6648 * config/alpha/alpha.md (cmpdi): Allow general operands.
6649 (sne): Use alpha_emit_setcc.
6650 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
6651 (sunordered, sordered): New.
6653 2000-09-24 Richard Henderson <rth@cygnus.com>
6655 * config/ia64/ia64-protos.h: Update.
6656 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
6657 (ia64_expand_call): New.
6658 (ia64_expand_prologue): Emit an alloc if we need extra input
6660 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
6661 instruction if true.
6662 (struct reg_flags): Add is_sibcall.
6663 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
6664 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
6665 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
6666 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6667 * config/ia64/ia64.md (call): Use ia64_expand_call.
6668 (call_value): Likewise.
6669 (sibcall, sibcall_value): New.
6670 (call patterns): Remove extra expanders; tidy.
6671 (sibcall_epilogue): New.
6672 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
6674 2000-09-24 Richard Henderson <rth@cygnus.com>
6676 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
6678 * sibcall.c (skip_pic_restore): New.
6679 (identify_call_return_value): Use it.
6681 2000-09-24 Mark Mitchell <mark@codesourcery.com>
6683 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
6684 functions. Generalize to handle both C and C++.
6685 * Makefile.in (c-tree.info): New target.
6686 (info): Add c-tree.info.
6688 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6690 * expr.c (store_field): If BITSIZE is negative, use size of type.
6691 (expand_expr, case COMPONENT_EXPR): Likewise.
6693 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
6695 * cpplex.c: Update TODO comment.
6696 * cpplib.c (do_error, do_warning): Merge common code of
6697 do_error and do_warning into do_diagnostic. Use it.
6698 (do_diagnostic): New function.
6699 * cpplib.h: Fix comment typo.
6701 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6703 * c-common.c (check_format_info): Warn for a wide character string
6704 used as a non-wide format argument.
6706 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6708 * builtins.def (BUILT_IN_LLABS): Add.
6709 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
6710 * c-common.c (c_common_nodes_builtins): Create builtin functions
6711 __builtin_llabs, and plain llabs unless no_nonansi_builtins
6712 outside of C99 mode.
6713 (expand_tree_builtin): Handle BUILT_IN_LLABS.
6715 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
6717 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
6718 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
6719 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
6720 _cpp_free_toklist): No need to worry about extra dummy token
6721 at the start of token lists any more.
6722 (trigraph_ok): Only warn outside comments.
6723 (skip_block_comment): Set and clear lexing_comment.
6724 (skip_line_comment): Take a cpp_reader not cpp_buffer.
6725 Set and clear lexing_comment.
6726 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
6727 (check_long_token): Delete.
6728 (lex_percent, lex_dot): New subroutines of lex_token to
6729 handle lexing of '.' and '%' without lookback.
6730 (lex_token): Use lex_dot and lex_percent.
6731 (lex_line): Don't check for LIST_OFFSET.
6732 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
6733 * cpplib.c (_cpp_parse_assertion): Similarly.
6734 (cpp_push_buffer): Initialize extra_char.
6735 * cpplib.h (LIST_OFFSET): Delete.
6736 (struct cpp_buffer): New member extra_char.
6737 (struct lexer_state): New members lexing_comment and seen_dot.
6739 2000-09-23 Jason Merrill <jason@redhat.com>
6741 * config/rs6000/x-aix41 (CLIB): Define here.
6742 * config/rs6000/t-aix43: Not here.
6743 * config/rs6000/t-aix41: Or here. Remove.
6744 * configure.in: Don't use it.
6746 2000-09-22 Jason Merrill <jason@redhat.com>
6748 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
6749 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
6750 * config.in: Regenerate.
6752 * configure.in: Fix checks for assembler features when using a
6753 one-tree assembler that has not yet been built.
6754 Fix --disable-threads.
6756 2000-09-19 Geoff Keating <geoffk@cygnus.com>
6758 * stmt.c (expand_asm_operands): Allow # in constraints.
6760 2000-09-22 Jason Merrill <jason@redhat.com>
6762 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
6764 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
6765 function-local names.
6767 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
6768 Mark Mitchell <mark@codesourcery.com>
6770 * toplev.c (warn_disabled_optimization): Declare new warning flag.
6771 * flags.h (warn_disabled_optimization): Add it here.
6772 * gcse.c (gcse_main): Add warning when disabled.
6773 * invoke.texi: Document -Wdisabled-optimization.
6775 2000-09-21 Jason Merrill <jason@redhat.com>
6777 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
6779 * dwarf2out.c (tree_add_const_value_attribute): New fn.
6780 (gen_variable_die): Call it for non-definitions.
6782 * dwarf2out.c (die_struct): Add die_mark field.
6783 (mark_dies, unmark_dies): New fns.
6784 (clear_die_sizes): Remove.
6785 (print_die): Check die_symbol rather than die_offset.
6786 (build_abbrev_table, output_pubnames, output_aranges): Check
6787 die_mark rather than die_offset.
6788 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
6791 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
6793 * cppfiles.c (lookup_include_file): Rename to open_file.
6794 Always create a splay tree value, even on syscall failures.
6795 Negative entries indicated by fd == -2.
6796 Re-open files closed in the meantime.
6797 (_cpp_fake_include): Create a negative splay tree entry.
6798 (find_include_file, cpp_read_file): Update for function name
6800 * gcc.gd/cpp/mi4.c: Testcase.
6802 2000-09-21 Nick Clifton <nickc@redhat.com>
6804 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
6805 ARM and THUMB modes.
6807 * config/mcore/mcore.c: Fix compile time warnings.
6808 * config/mcore/mcore-protos.h: Fix compile time warnings.
6810 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6812 * configure.in: Correct test of gcc_cv_glibc.
6813 * configure: Rebuilt.
6814 * config.in: Rebuilt.
6816 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
6819 (expand_builtin): Handle BUILT_IN_FWRITE.
6821 * builtins.def (BUILT_IN_FWRITE): New entry.
6823 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
6825 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6827 * gcc.c (modify_target): New variable and struct.
6828 (process_command): Handle MODIFY_TARGET_NAME.
6829 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
6830 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
6832 * c-decl.c (finish_decl): Add else's to avoid referencing
6833 TYPE_DOMAIN of an ERROR_MARK.
6835 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
6837 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
6840 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
6842 * config/avr/avr.md (neghi2): Add alternative for input and output
6843 operands in different registers, as in negsi2.
6844 (*negsi2): Remove '*' from the name. Use "movw" if available.
6846 2000-09-19 Jim Wilson <wilson@cygnus.com>
6848 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
6849 HAVE_GAS_HIDDEN macro.
6851 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
6853 * cpplex.c (lex_line): Drop the EOF token for unknown
6854 directives in assembler.
6856 2000-09-19 David Edelsohn <edelsohn@gnu.org>
6858 * configure.in: Allow enable_threads_flag value of "aix". Define
6859 thread_file as "aix" for AIX 4.3 and above.
6860 * configure: Regenerated.
6862 * gthr-aix.h: New file.
6864 * rs6000/t-aix43: Replace soft-float multilib with pthread.
6865 Remove 403 processor multilib match. Fix rios2 processor multilib
6868 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
6869 to return to appropriate csect.
6871 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6873 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
6875 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
6876 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
6879 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
6882 * c-common.c (init_function_format_info): Handle __builtin_printf.
6883 Set `check_function_format_ptr'.
6884 (c_common_nodes_and_builtins): Set `puts_ftype' and
6885 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
6886 __builtin_printf and printf.
6888 * tree.c, tree.h (check_function_format_ptr): Declare.
6890 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
6892 * cppfiles.c (read_include_file): Take no special action for
6895 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
6897 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
6898 rather than that of branch.
6899 (shorten_branches): Don't increment insn_current_address twice.
6901 Undo most of the Wed Jan 27 23:39:53 1999 patch:
6902 * loop.h (struct induction): Delete members derived, ix and last_use.
6903 (struct loop_ivs): Delete members first_increment_giv and
6905 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
6906 recombine_givs): Delete functions.
6907 (find_and_verify_loops): Don't initialize cont_dominator.
6908 (strength_reduce): Lose code to try to find bivs that can be
6909 expressed as givs of another biv, and to convert biv increments
6911 Lose loop_scan_start variable, always use loop->scan_start.
6912 Don't call recombine_givs. Don't handle derived givs.
6913 (record_giv): Don't initialize derived and last_use fields.
6914 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
6916 * unroll.c (derived_regs): Delete static variable.
6917 (unroll_loop): Don't initialize it.
6918 (copy_loop_body): Lose code to handle derived givs.
6919 (find_splittable_givs): Don't check for givs made from biv
6921 Don't set derived_regs.
6923 Fix misapplied earlier patch:
6924 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
6926 (floatsisf2): Generate floatsisf_ie by default.
6927 (floatsisf_i4): Conditional on TARGET_SH4.
6929 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
6930 predicate for the expanders.
6932 2000-09-19 Richard Henderson <rth@cygnus.com>
6934 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
6935 in addition to pentium and pentiumpro symbols.
6936 (CPP_CPU_DEFAULT_SPEC): Likewise.
6938 * c-typeck.c (c_expand_asm_operands): Restore the output tree
6941 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
6942 if the tree has side effects.
6943 (warn_if_unused_value): Do not warn about void constructs.
6945 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
6947 * unroll.c (copy_loop_body): Update LABEL_NUSES before
6948 calling invert_jump.
6950 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6952 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
6955 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6957 * Makefile.in (c-common.o): Depend on diagnostic.h.
6959 * c-common.c: Include diagnostic.h.
6961 (status_warning): New function.
6962 (check_format_info, maybe_read_dollar_number, check_format_types,
6963 finish_dollar_format_checking, check_function_format): Accept a
6964 `status' parameter. All callers changed.
6966 * c-common.h (check_function_format): Accept a `status' parameter.
6968 * c-typeck.c: Update call to `check_function_format'.
6970 2000-09-18 Richard Henderson <rth@cygnus.com>
6972 * c-decl.c (c_expand_body): Call mark_varargs before
6973 expand_function_start.
6975 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6977 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6978 * config/rs6000/eabi-ci.asm: Likewise.
6980 2000-09-18 Richard Henderson <rth@cygnus.com>
6982 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6985 2000-09-18 Jim Wilson <wilson@cygnus.com>
6987 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6988 before passing it to fold_rtx_mult_add.
6990 * unroll.c (final_giv_value): Pass increment through
6991 extend_value_for_giv before passing it to emit_iv_add_mult.
6993 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6994 paradoxical subreg, then directly substitute the replacement and
6997 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6999 * cpp.texi: Update documentation, including some clarifications,
7000 the treatment of various newline combinations, and space between
7001 backslash and newline.
7003 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7005 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
7006 Replace ASM_OUTPUT_LABELREF with assemble_name.
7008 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7010 * sh.c (addsubcosts): CONST is not cheap.
7011 (find_barrier): For Sh1, take alignment after jumps into account.
7013 2000-09-15 Andrew Haley <aph@redhat.com>
7015 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
7016 remove all SETs of SUBREGs of hard registers.
7017 * function.c (purge_hard_subreg_sets): New function.
7018 (purge_single_hard_subreg_set): New function.
7019 * rtl.h: (purge_hard_subreg_sets): New function.
7021 2000-09-18 Richard Henderson <rth@cygnus.com>
7023 * config/ia64/ia64-protos.h: Update.
7024 * config/ia64/ia64.c (signed_inequality_operator): New.
7025 (ia64_expand_compare): New.
7026 (ia64_register_move_cost): Handle PR_REGS moves.
7027 (ia64_secondary_reload_class): Require a GR when moving to a PR.
7028 (struct reg_write_state): Add written_by_and/or.
7029 (struct reg_flags): Add is_and/or.
7030 (rws_update): Set them.
7031 (rws_access_regno): Test them to allow parallel comparisons.
7032 (rtx_needs_barrier): Recognize parallel comparisons.
7033 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
7034 Call recog_memoized; ignore pred_rel_mutex.
7035 (emit_predicate_relation_info): Don't call find_basic_blocks here.
7036 (ia64_reorg): Do it here instead.
7037 * config/ia64/ia64.h: s/CCmode/BImode/g
7038 (MODES_TIEABLE_P): Don't tie BImode.
7039 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
7040 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
7041 (RTX_COSTS): Make multiply 4 insns.
7042 (MEMORY_MOVE_COST): New.
7043 (PREDICATE_CODES): Update.
7044 * config/ia64/ia64.md: s/CCmode/BImode/g
7045 (movcci, movbi): New.
7046 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
7047 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
7048 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
7049 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
7050 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
7051 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
7052 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
7053 (mulsi, muldi): Use xmpy not xma.
7055 (movcc, movcc_internal): Remove.
7056 (branch expanders): Use ia64_expand_compare.
7057 (setcc expanders): Likewise.
7058 (cmov insns): Use move_operand and ia64_move_ok.
7059 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
7060 scheduler from moving it past a use.
7061 * config/ia64/build.hacks: Remove.
7063 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
7065 * cpphash.h (HASHSTEP): Take character rather than pointer
7067 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
7069 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
7071 * cpplex.c (auto_expand_name_space, trigraph_replace,
7072 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
7073 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
7074 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
7075 KNOWN_DIRECTIVE): Delete.
7077 (handle_newline, check_long_token, skip_escaped_newlines,
7078 unterminated): New functions.
7079 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
7081 (parse_identifier): Was parse_name, new implementation.
7082 (skip_line_comment, skip_block_comment, skip_whitespace,
7083 parse_number, parse_string, trigraph_ok, save_comment,
7084 adjust_column, _cpp_get_line): New implementations.
7086 (lex_token): New function. Lexes a token at a time, looking
7087 forwards. Contains most of the guts of the old lex_line.
7088 (lex_line): New implementation, using lex_token to obtain
7090 (cpp_scan_buffer): Use the token's line, not the list's line.
7092 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
7093 New implementations.
7094 (do_assert): Don't bother setting the answer's list's line.
7095 (cpp_push_buffer): Initialise new pfile and read_ahead members
7096 of struct cpp_buffer.
7098 * cpplib.h (cppchar_t): New typedef.
7099 (struct cpp_buffer): read_ahead, pfile and col_adjust are
7101 (struct lexer_state): New structure that determines the state
7102 and behaviour of the lexer.
7103 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
7104 (struct cpp_reader): New member "state". Rename
7105 multiline_string_line and multiline_string_column. Delete
7106 col_adjust, in_lex_line members.
7107 (CPP_BUF_COLUMN): Update.
7109 2000-09-18 Richard Henderson <rth@cygnus.com>
7111 * combine.c (simplify_comparison): Shift a NOT out of a single
7114 * combine.c (if_then_else_cond): Canonicalize BImode true to
7116 * explow.c (trunc_int_for_mode): Likewise.
7118 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
7119 the NOT for De Morgan's rule.
7120 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
7121 of a comparison to the reverse comparison.
7123 * combine.c (try_combine): Allow split to create a single insn.
7125 * machmode.def: Add BImode. Add a column for bitsize.
7126 * machmode.h (DEF_MACHMODE): Adjust for extra column.
7127 (GET_MODE_BITSIZE): Use it.
7128 * rtl.c (DEF_MACHMODE): Adjust for extra column.
7129 (mode_bitsize): New.
7130 (mode_mask_array): Use bitsize.
7131 * combine.c (combine_simplify_rtx): Require inner and outer
7132 modes to match on nonzero_bits optimizations.
7134 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7136 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
7137 its entry in spill_reg_store.
7138 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
7139 * sh.c (reg_no_subreg_operand): New function.
7140 * sh-protos.h (reg_no_subreg_operand): Declare it.
7141 * sh.h (PREDICATE_CODES): Add it.
7142 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
7143 input operand that needs to be in fpul.
7144 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
7145 * sh.c (find_barrier): Take into account that machine_dependent_reorg
7146 might add new insns.
7148 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
7150 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
7152 (sh_expand_epilogue): Take the PIC register into account when
7153 computing the frame size.
7155 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
7156 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
7157 LABEL_REFs with a PIC-safe unspec.
7159 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7161 * c-common.c (check_format_info): Properly save the argument
7162 number and parameter for $ operand number formats in case width
7163 and precision arguments are also used. Allow printf width and
7164 precision arguments to have operand numbers even if none was
7165 specified for the main format, since this is OK for %*.*m. Only
7166 object to missing $ operand number if the format used requires an
7169 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7171 * c-common.c (format_char_info): Add 'W' flag to comment.
7172 (print_char_table, scan_char_table): Use it.
7173 (check_format_info): Use the 'W' flag to determine whether a
7174 format argument is written into.
7176 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7178 * c-common.c (check_format_types): Reorganise and clean up,
7179 checking earlier for ERROR_MARKs and making cur_type into its
7180 TYPE_MAIN_VARIANT where convenient.
7182 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7184 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
7186 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7188 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
7190 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
7191 * i386.c (struct builtin_description): New.
7192 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
7193 (mmx_reg_operand): Declare MODE arg as unused.
7194 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
7195 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
7196 ix86_expand_binop_builtin, ix86_expand_store_builtin,
7197 ix86_init_builtins, ix86_expand_builtin): New functions.
7198 * i386.h (ix86_builtins): New enumeration.
7199 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
7200 * i386.md (attr length_immediate): 0 for mmx/sse types.
7201 (attr prefix_0f): 1 for mmx/sse types.
7202 (setcc_2): Remove "*" so we get gen_setcc_2.
7203 (emms): Account for changed register numbering. Set "memory" attr
7205 (sfence): Set "memory" attr to unknown.
7207 2000-09-18 Andreas Jaeger <aj@suse.de>
7209 * configure.in: Define _GNU_SOURCE only when using the GNU C
7211 * configure: Regenerated.
7212 * config.in: Regenerated.
7214 2000-09-17 Mark Mitchell <mark@codesourcery.com>
7216 * cppinit.c (cpp_init): Don't use ANSI prototypes.
7217 * flow.c (flow_dump_loop): Likewise.
7218 (flow_loops_dump): Likewise.
7220 * c-typeck.c (c_start_case): Fix typo.
7222 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7224 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
7225 to int for plain complex which defaults to complex double. Do
7226 warn about defaulting to complex double if pedantic. Warn about
7227 complex integer types if pedantic. Warn about complex types if
7228 pedantic and not in C99 mode.
7229 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
7230 for complex conjugation.
7232 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7234 * contrib.texi: Update my entry.
7236 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
7238 * config/avr/avr.md (mcu_enhanced): New attribute.
7239 (mcu_mega): Likewise.
7240 (extendhisi2): Use mcu_enhanced.
7241 (zero_extendhisi2): Likewise.
7242 (call_insn): Use mcu_enhanced and mcu_mega.
7243 (call_value_insn): Likewise.
7244 (*sbrx_branch): Use mcu_mega.
7245 (*sbrx_and_branchsi): Likewise.
7246 (*sbrx_and_branchhi): Likewise.
7247 (*tablejump_lib): Likewise.
7249 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7251 * alias.c (true_dependence): Allow non-unchanging read to conflict
7252 with unchanging write.
7254 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
7255 (store_constructor): Pass alias_set to it.
7257 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
7258 TYPE_MAIN_VARIANT of ERROR_MARK.
7259 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
7261 * simplify-rtx.c (simplify_unary_operation): Add cases
7262 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
7264 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
7266 * expr.h (emit_library_call, emit_library_call_value): Delete
7268 * rtl.h (enum libcall_type): New.
7269 (emit_library_call, emit_library_call_value): Change fn_type arg to
7270 be of type enum libcall_type.
7271 * calls.c: Likewise for the function definitions. Several callers
7272 throughout changed to use the new enumeration appropriately.
7273 (emit_library_call_value_1): Likewise. Put back code to make libcall
7274 blocks of equal form, but only use it for the two new higher
7277 2000-09-16 Mark Mitchell <mark@codesourcery.com>
7279 Convert the C front-end to use function-at-a-time mode.
7280 * c-common.h: Include splay-tree.h.
7281 (C_DECLARED_LABEL_FLAG): New macro.
7282 (struct language_function): Add x_scope_stmt_stack and
7283 x_function_name_declared_p.
7284 (RECHAIN_STMTS): Move definition.
7285 (lang_statment_code_p): Likewise.
7286 (lang_expand_stmt): Likewise.
7287 (lang_expand_decl_stmt): New variable.
7288 (lang_expand_function_end): Likewise.
7289 (current_scope_stmt_stack): New function.
7290 (add_decl_stmt): Likewise.
7291 (add_scope_stmt): Likewise.
7292 (mark_stmt_tree): Likewise.
7293 (struct c_lang_decl): New structure.
7294 (DECL_SAVED_TREE): Define.
7295 (c_mark_lang_decl): New function.
7296 (c_expand_start_cond): Change prototype.
7297 (c_finish_then): New function.
7298 (c_finish_else): Likewise.
7299 (current_function_name_declared): Remove.
7300 (set_current_function_name_declared): Likewise.
7301 (mark_c_language_function): Declare.
7302 (case_compare): Likewise.
7303 (c_add_case_label): Likewise.
7304 (c_expand_expr): Likewise.
7305 (c_safe_from_p): Likewise.
7306 * c-common.c (lang_expand_function_end): New variable.
7307 (struct if_elt): Add if_stmt.
7308 (c_expand_start_cond): Add the if-statement to the statement-tree,
7309 rather than generating RTL.
7310 (c_finish_then): New function.
7311 (c_expand_start_else): Don't generate RTL.
7312 (c_finish_else): New function.
7313 (c_expand_expr_stmt): Don't generate RTL.
7314 (statement_code_p): Add SCOPE_STMT.
7315 (case_compare): New function.
7316 (c_add_case_label): Likewise.
7317 (mark_stmt_tree): Likewise.
7318 (c_mark_lang_decl): Likewise.
7319 (mark_c_language_function): Likewise.
7320 (c_expand_expr): Likewise.
7321 (c_safe_from_p): Likewise.
7322 * c-decl.c (c_stmt_tree): New variable
7323 (c_scope_stmt_stack): Likewise.
7324 (c_function_name_declared_p): Likewise.
7325 (lang_expand_expr_stmt): Remove.
7326 (poplevel): Don't call output_inline_function for nested
7328 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
7330 (redeclaration_error_message): Change means of computing whether
7331 or not a function is nested.
7332 (lookup_label): Don't call label_rtx.
7333 (init_decl_processing): Add more GC roots.
7334 (start_decl): Add DECL_STMTs to the statement-tree, rather than
7335 calling rest_of_decl_compilation.
7336 (finish_decl): Don't call expand_decl.
7337 (store_parm_decls): Begin the statement-tree, but don't generate
7339 (finish_function): Tie off the statement-tree. Call c_expand_body
7341 (c_expand_body): New function.
7342 (push_c_function_context): Save more information.
7343 (pop_c_function_contxt): Likewise.
7344 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
7345 (lang_mark_tree): Mark it.
7346 (current_stmt_tree): Adjust.
7347 (current_scope_stmt_stack): New function.
7349 (set_current_name_declared): Likewise.
7350 (c_begin_compound_stmt): Define.
7351 (c_expand_decl_stmt): Likewise.
7352 * c-lang.c: Include rtl.h and expr.h.
7353 (lang_init): Set more language-specific hooks.
7354 * c-lex.c: Include expr.h.
7355 * c-parse.in: Changes throughout to add statements to the
7356 statement-tree, rather than generating RTL after every statement.
7357 * c-semantics.c (lang_expand_decl_stmt): Define.
7358 (add_decl_stmt): New function.
7359 (add_scope_stmt): Likewise.
7360 (finish_stmt_tree): Tweak.
7361 (genrtl_expr_stmt): Likewise.
7362 (genrtl_decl_stmt): Handle local labels, and call
7363 lang_expand_decl_stmt if required.
7364 (genrtl_for_stmt): Fix line-number handling.
7365 (genrtl_case_label): Handle cleanups.
7366 (genrtl_asm_stmt): Don't call combine_strings.
7367 (genrtl_compound_stmt): Simplify.
7368 (expand_stmt): Handle SCOPE_STMTs.
7369 * c-tree.h (struct lang_decl): New structure.
7370 (C_DECLARED_LABEL_FLAG): Remove.
7371 (c_begin_compound_stmt): Declare.
7372 (c_expand_decl_stmt): Likewise.
7373 (c_expand_start_case): Rename to c_start_case.
7374 (c_finish_case): New function.
7375 * c-typeck.c (start_init): Tweak setting of
7376 constructor_incremental.
7377 (c_expand_asm_operands): Tweak error-handling. Add to the
7379 (c_expand_return): Add to the statement-tree.
7380 (c_expand_start_case): Rename to ...
7381 (c_start_case): ... this.
7382 (struct c_switch): New type.
7383 (switch_stack): New variable.
7384 (do_case): Simplify.
7385 (c_finish_case): New function.
7386 * dependence.c: Include expr.h.
7387 (enum dependence_type): Change spelling of enumerals.
7388 (check_node_dependence): Adjust.
7389 * expr.h (lang_safe_from_p): Declare.
7390 (safe_from_p): Likewise.
7391 * expr.c (lang_safe_from_p): New variable.
7392 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7393 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7394 * toplev.c (rest_of_decl_compilation): Robustify.
7395 * tree.c (contains_placeholder_p): Likewise.
7396 * Makefile.in: Update dependencies.
7397 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7398 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7399 (objc_expand_function_end): New function.
7400 (finish_method_def): Use it.
7401 (init_objc): Initialize more language-specific hooks.
7402 * objc/Make-lang.in: Update dependencies.
7404 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7406 * configure.in: Define macros that affect features before
7407 testing for features. Don't define _XOPEN_SOURCE.
7408 * configure: Regenerated.
7409 * config.in: Regenerated.
7411 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7413 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7414 (rtx_unstable_p): Restructure code. Volatile asms
7417 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7419 * function.h (no_debugging_symbols): New field.
7420 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7421 Initialize no_debugging_symbols.
7422 (output_inline_function): Save and restore write_symbols and set from
7423 no_debugging_symbols.
7424 * toplev.c (rest_of_compilation): Call save_for_inline.
7425 * tree.h: Update comment.
7427 * stor-layout.c (place_field): Don't do anything if field or
7428 its type are ERROR_MARK.
7430 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7432 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7433 (read_include_file): Ensure inc->mmaped is initialized.
7435 2000-09-16 Richard Henderson <rth@cygnus.com>
7437 * cppiles.c (purge_cache): Use PTR not caddr_t.
7439 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7441 * gcc.c: In description for %{<S}, say the option removed is -S.
7442 * invoke.texi (Spec Files): Ditto.
7444 2000-09-16 Andreas Jaeger <aj@suse.de>
7446 * configure.in: Always define _GNU_SOURCE to make interfaces
7447 visible that were hidden by only defining _GNU_SOURCE.
7448 * configure: Regenerated.
7450 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7452 * cpplex.c (push_macro_context): Set an argument's level after
7453 calling parse_args. We could loop infinitely otherwise.
7455 2000-09-15 Tom Tromey <tromey@cygnus.com>
7457 * configure, config.in: Rebuilt.
7458 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7460 2000-09-15 Greg McGary <greg@mcgary.org>
7462 * cppmacro.c (check_trad_stringification): Check token
7463 text pointers against limit before dereferencing.
7465 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7467 * c-common.c (format_wanted_type): New structure.
7468 (check_format_types): New function.
7469 (check_format_info): Pass all checking of types of format
7470 arguments, including width and precision arguments, to this new
7473 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7475 * BUGS: Remove file.
7477 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7479 * config/alpha/alpha.c (override_options): ev6 cache latencies
7480 from Richard Henderson. Don't allow -mmemory-latency=L0.
7482 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7483 (TARGET_OPTIONS): Add tune=.
7484 (alpha_tune_string): Declare.
7485 * config/alpha/alpha.c (override_options): Add cpu_table.
7486 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7487 and then alpha_tune_string to set alpha_cpu only.
7488 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7489 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7490 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7491 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7493 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7495 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7497 (ix86_comparison_operator, ix86_cc_mode): Declare
7498 * i386.h (CCGC, CCGCO): New modes.
7499 (SELECT_CC_MODE): Move offline to ....
7500 * i386.c (ix86_cc_mode): .... here; use new modes.
7501 (ix86_comparison_operator): New.
7502 (fcmov_comparison_operator): Ensure proper mode.
7503 (put_condition_mode): More sanity checking.
7504 (ix86_match_ccmode): Handle new modes.
7505 (ix86_expand_fp_compare): GEU requires CCmode.
7506 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7508 * i386.md (cmp?i_ccz_1): Remove
7509 (cmp?i_ccno_1): Use ix86_match_ccmode.
7510 (cmp?i_minus_1): New.
7511 (cmpsi_1): New expander.
7512 (cmpqi_ext_1): Use match_ccmode
7513 (cmpqi_ext_3): New expander.
7514 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7515 (cmpqi_ext_4): Use match_ccmode.
7516 (add?i_?): Use match_ccmode.
7518 (test?i_ccz_1): Remove
7520 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7521 (testqi_ext_0): Use ix86_match_ccmode.
7522 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7523 (xorqi_cc_ext_1): New expander.
7524 (shift patterns): Use CCGOCmode for all shifts except for sar.
7525 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7526 (setcc_3, jcc_3, miv?icc_c): Remove.
7528 2000-09-15 Will Cohen <wcohen@redhat.com>
7530 * dwarf2out.c (add_const_value_attribute): Changed array into a
7531 xmalloced object, so it exists after function exit.
7532 (free_AT): Added case for dw_val_class_float to free allocated
7535 2000-09-15 Kazu Hirata <kazu@hxi.com>
7537 * config/i386/i386.md: Fix a comment typo.
7538 * gcc.c: Fix formatting.
7540 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7542 * optabs.c (emit_libcall_block): If target is a user variable,
7543 copy to a temporary first.
7544 * expr.c (convert_move): When generating a libcall, make a libcall
7546 * calls.c (emit_library_call_value_1): Don't create a libcall
7547 sequence here; our caller will in most cases do it.
7549 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
7551 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
7552 * sh.md (reload_outsf): Generate recognizable patterns for
7554 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
7555 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
7556 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
7557 truncdfsf2_i4): Change not to use explicit references to fpul.
7558 (floatsisf2_ie): Remove USE of fpscr.
7559 (floatsisf2): Change default expansion to match this.
7560 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
7563 2000-09-15 Richard Henderson <rth@cygnus.com>
7565 * expmed.c (store_bit_field): Consider naturally aligned
7566 memory for direct reference.
7568 2000-09-15 Richard Henderson <rth@cygnus.com>
7570 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
7571 AND addresses into alias set 0.
7572 (alpha_expand_unaligned_store): Likewise.
7573 (alpha_expand_unaligned_load_words): Likewise.
7574 (alpha_expand_unaligned_store_words): Likewise.
7576 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7578 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
7579 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
7581 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
7582 rsize of UNITS_PER_WORD.
7584 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
7586 * cpplex.c (ON_REST_ARG): Correct the test.
7587 (maybe_paste_with_next): Duplicate a token that fail pasting,
7588 and clear its PASTE_LEFT flag, so that nested pasting attempts
7591 2000-09-14 Richard Henderson <rth@cygnus.com>
7593 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
7594 * cse.c (rtx_cost): Likewise.
7595 * optabls.c (expand_binop): Likewise.
7596 (expand_twoval_binop, prepare_cmp_insn): Likewise.
7597 * regclass.c (copy_cost): Likewise.
7598 * reload1.c (reload_cse_move2add): Likewise.
7600 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
7602 * c-parse.in (reswords): Add _Complex.
7604 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7606 * gcc.1: Delete documentation for -undef preprocessor option.
7608 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
7610 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7611 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
7612 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7613 Remove undefine before config/elfos.h.
7614 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
7616 2000-09-14 Kazu Hirata <kazu@hxi.com>
7618 * invoke.texi (H8/300 Options): Add -ms2600.
7619 * config/h8300.c (h8300_init_once): Output an error when -ms2600
7620 is used without -ms.
7621 * config/h8300.h (TARGET_MAC): New.
7622 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
7623 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
7624 machine other than H8/S2600.
7625 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
7628 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
7630 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
7631 pseudos that refer to the original pseudos, not only to their
7632 equivalent memory locations.
7634 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7636 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
7637 when making new MEM.
7639 * Makefile.in (LN): Remove duplicate definition.
7641 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7643 From Joern Rennecke:
7644 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
7645 on an insn and function_invariant_p returns nonzero for the source,
7646 add a REG_EQUAL note.
7648 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
7650 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
7651 conflict with frame_pointer_rtx.
7653 2000-09-13 Kazu Hirata <kazu@hxi.com>
7655 * loop.c: Fix formatting.
7658 2000-09-13 Richard Henderson <rth@cygnus.com>
7660 * config/ia64/ia64.md (divsf3): New.
7661 (divsf3_internal_lat, divsf3_internal_thr): New.
7662 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
7663 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
7664 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
7665 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
7666 (nmadddf4_alts, nmadddf4_trunc): New.
7667 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
7668 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
7669 (multf3_truncsf_alts, multf3_truncdf_alts): New.
7670 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
7671 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
7672 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
7673 (nmaddtf4_truncdf_alts): New.
7674 (recip_approx): Don't predicate.
7676 2000-09-13 Richard Henderson <rth@cygnus.com>
7678 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
7680 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7682 * flags.h (flag_dump_rtl_in_asm): Declare.
7683 * toplev.c (flag_dump_rtl_in_asm): Define.
7684 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
7685 if -dP is specified.
7686 * rtl.h (print_rtx_head): Declare.
7687 * print-rtl.c (print_rtx_head): Define.
7688 (print_rtx): Print the string pointed to by print_rtx_head
7689 at beginning of each dump line.
7690 (print_rtl): Likewise.
7691 (print_rtl_single): Likewise.
7692 * final.c (final_scan_insn): Dump the insn in the assembly
7694 * gcc.1: Document -dP option.
7695 * invoke.texi (Debugging Options): Likewise.
7697 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7699 * md.texi (Machine Constraints): Document the 68HC11 constraints.
7700 * install.texi (Configurations): Document the 68HC11&68HC12 port.
7701 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
7703 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
7705 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
7706 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
7707 (*clrstrqi): Likewise.
7708 (xorhi3,xorsi3,absqi2): Likewise.
7709 (one_cmplhi2,one_cmplsi2): Likewise.
7710 (addsi3): Two stupid constraint alternatives removed.
7711 (extendhisi2): Use `movw' for enhanced avr cores.
7712 (zero_extendhisi2): Likewise.
7714 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
7716 * alias.c (find_base_term): Use frame_pointer_rtx
7717 when handling an ADDRESSOF.
7719 * cse.c (canon_hash): Handle USE of BLKmode memory.
7720 (cse_insn): Outgoing arguments for a libcall don't
7721 affect any recorded expressions.
7723 2000-09-12 Tom Tromey <tromey@cygnus.com>
7725 * configure, config.in: Rebuilt.
7726 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
7728 2000-09-12 Jakub Jelinek <jakub@redhat.com>
7730 * c-lex.c (lex_string): Use charwidth to compute bytemask.
7731 * expr.c (expand_expr): Don't optimize constant array references
7732 initialized with wide string constants.
7734 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7736 * loop.c (note_set_pseudo_multiple_uses): Correct.
7738 2000-09-12 Jim Wilson <wilson@cygnus.com>
7740 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
7741 else block, and X has side-effects, then fail.
7743 2000-09-12 Greg McGary <greg@mcgary.org>
7745 * config/mips/mips-protos.h
7746 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
7747 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
7748 (PREDICATE_CODES): Add "trap_cmp_op".
7749 * config/mips/mips.c
7750 (trap_cmp_op, mips_gen_conditional_trap): New functions.
7751 * config/mips/mips.md (trap, conditional_trap): New patterns.
7753 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7755 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
7758 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7760 * builtins.c (built_in_decls): New array.
7761 (expand_builtin_fputs): New function.
7762 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
7764 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
7766 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
7768 * tree.h (built_in_decls): New array.
7770 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
7772 * convex.md: Use "+" instead of "=" for outputs wrapped in a
7774 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
7776 2000-09-12 Kazu Hirata <kazu@hxi.com>
7778 * haifa-sched.c: Fix formatting.
7780 * genattrtab.c: Fix formatting.
7782 * unroll.c: Fix formatting.
7784 2000-09-12 Bruce Korb <bkorb@gnu.org>
7786 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
7787 remove obsolete code
7788 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
7789 * fixinc/fixincl.tpl: make non-exported arrays static scope
7790 * fixinc/fixincl.x: regenerate
7791 * fixinc/fixlib.h: Use PARAMS, not _P_
7792 * fixinc/fixtests.c: make a type for the test proc & use it
7793 * fixinc/server.h: Use PARAMS, not _P_
7795 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7797 * c-typeck.c (process_init_element): Avoid union init warnings on
7798 floating point zero. Don't crash on unions containing structs.
7800 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
7802 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
7803 general_movsrc_operand, and remove CONST_INT from
7804 general_movdst_operand.
7806 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7808 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
7809 if a reference to non-fixed hardreg is seen. Otherwise, count hard
7810 regs with a higher cost.
7811 (preferrable): Deal with cases where either cost or regcost is
7813 (cse_insn): Use MAX_COST rather than 10000. Always initialize
7815 (COSTS_N_INSNS): Move definition...
7817 (MAX_COST): New macro.
7818 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
7821 2000-09-11 Mark Mitchell <mark@codesourcery.com>
7823 * c-common.h (genrtl_clear_out_block): Remove.
7824 * c-semantics.c (genrtl_clear_out_block): Remove.
7825 (genrtl_while_stmt): Don't call it.
7826 (genrtl_for_stmt): Likewise.
7828 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7830 * cppfiles.c: Move all default-#defines to top of file.
7831 (open_include_file): Replace by lookup_include_file.
7832 (read_with_read, read_file): Merged into read_include_file.
7833 (stack_include_file, purge_cache): New functions.
7834 (close_cached_fd): Delete.
7835 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
7836 Cache the in-memory buffer, not the file descriptor.
7838 * cpphash.h (struct include_file): Add buffer, st, refcnt,
7840 (xcnew): New utility macro.
7841 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
7842 * cpplib.h (struct cpp_buffer): Remove mapped field.
7844 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7846 * cpplex.c (parse_string): Accept backslash space newline as a
7848 (lex_line): Likewise.
7849 (_cpp_get_token): Remove hard limit on macro nesting.
7851 2000-09-12 Philipp Thomas <pthomas@suse.de>
7853 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
7854 * configure: Rebuilt.
7856 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7858 * flow.c (split_block): Fix update of registers live at
7861 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7863 * i386.md (add?i_3, add?i_5): New.
7864 (add?i_4): Rename from add?i_3; Fix compare pattern.
7865 (sub?i_3, xor?i_3, ior?i_3): New.
7867 * genrecog.c (write_tree): Output code to clear insn_extract cache.
7868 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
7869 instead of extract_insn and extract_constrain_insn_cache instead of
7870 extract_insn and constrain_operands.
7871 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
7873 (extract_insn): Clear which_alternative.
7874 (constrain_operands): Set which_alternative to -1 when failed.
7875 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
7878 2000-09-11 Matthew Hiller <hiller@redhat.com>
7880 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
7881 on operand 0 to '+'.
7882 (movstricthi): Likewise.
7884 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7886 * loop.h (LOOP_IVS): New macro.
7887 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
7888 (struct loop_ivs): New.
7889 (struct loop_info): Add ivs field.
7890 (reg_iv_type, reg_iv_info): Delete prototype.
7891 (reg_biv_class, loop_iv_list): Likewise.
7892 * loop.c (record_biv, find_life_end): Pass loop argument.
7893 (reg_iv_type): Remove global array and use
7894 field in loop_regs structure within loop_ivs structure.
7895 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
7896 (first_increment_giv, last_increment_giv): Use entry in
7898 (record_initial): Pass ivs pointer.
7899 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
7901 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7903 * loop.h (LOOP_REGS): New macro.
7904 (struct loop_regs): New.
7905 (struct loop_info): Add regs field.
7906 * loop.c (set_in_loop): Remove global array and store
7907 in loop_regs structure as part of loop_info structure.
7908 (n_times_set, may_not_optimize): Likewise.
7909 (reg_single_usage, moved_once): Likewise.
7910 (count_one_set): Add regs argument.
7911 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
7912 (set_pseudo_multiple_uses): Pass regs pointer.
7914 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7916 * unroll.c (iteration_info): Subsume into loop_iterations.
7917 * loop.h (loop_info): New field iv.
7919 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7921 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
7922 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
7923 (flow_loops_update): New prototype.
7924 (flow_loops_find): Add flags to prototype.
7925 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
7926 * flow.c (flow_loop_pre_header_scan): New.
7927 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
7928 (flow_loop_free): Free pre-header root and trace and exit dominators.
7929 (flow_loops_find): New argument flags.
7930 (flow_loops_update): New function.
7931 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
7933 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7935 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
7936 * flow.c (split_block, update_bb_for_insn): New functions.
7938 2000-09-11 Richard Henderson <rth@cygnus.com>
7940 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
7942 2000-09-11 Richard Henderson <rth@cygnus.com>
7944 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
7945 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
7946 (ia64_override_options): Prevent optimizing division for both
7947 latency and throughput.
7948 (rtx_needs_barrier): Handle frcpa.
7949 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
7950 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
7951 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
7952 (TARGET_SWITCHES): Add -minline-divide-min-latency and
7953 -minline-divide-max-throughput.
7954 (PREDICATE_CODES): Update.
7955 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
7956 (zero_extendsidi2): Likewise. Fix typo in f case insn.
7957 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
7958 (extendsftf2): Likewise.
7959 (extenddftf2): Likewise.
7960 (fix_trunctfdi2_alts): New.
7961 (fixuns_trunctfdi2_alts): New.
7962 (madd*4): Rename from madd*3.
7963 (divsi3, modsi3, udivsi3, umodsi3): New.
7964 (divsi3_internal): New.
7965 (divdi3, moddi3, udivdi3, umoddi3): New.
7966 (divdi3_internal_lat, divdi3_internal_thr): New.
7967 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7968 (recip_approx): New.
7970 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7972 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7973 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7975 * integrate.c (copy_rtx_and_substitute): Don't share
7976 LEAF_REG_REMAPpable registers with the inlined function. Don't
7977 share the function value with calling sequences.
7979 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7981 * c-decl.c (do_case): Fix a typo.
7983 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7984 to a if the comparison is floating mode and not -ffast-math.
7985 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7987 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7989 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7990 gen_ic_invalidate_line.
7992 2000-09-11 Philip Blundell <pb@futuretv.com>
7994 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7996 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7998 * install.texi (LANGUAGES): Update to include new languages.
8001 2000-09-11 DJ Delorie <dj@redhat.com>
8003 * gcc.c (main): Don't warn about unused -B prefixes
8004 (unused_prefix_warnings): remove
8006 2000-09-11 Kazu Hirata <kazu@hxi.com>
8008 * final.c: Fix formatting.
8010 * integrate.c: Fix formatting.
8012 2000-09-11 Geoff Keating <geoffk@cygnus.com>
8014 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
8016 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
8018 * reload.c (regno_clobbered_p): Fix thinko in previous change.
8020 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8022 * gcc.1: Document 68hc11 specific options.
8024 2000-09-10 Geoff Keating <geoffk@cygnus.com>
8026 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
8027 (TARGET_LONG_DOUBLE_128): Define.
8028 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
8029 (LONG_DOUBLE_TYPE_SIZE): Redefine.
8030 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8031 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
8032 of __LONG_DOUBLE_128__.
8033 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
8035 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
8036 (CPP_SYSV_DEFAULT_SPEC): Define.
8037 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
8038 (INIT_TARGET_OPTABS): Define.
8040 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
8041 (RS6000_UITRUNC): Likewise.
8042 (INIT_TARGET_OPTABS): New macro.
8043 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
8044 (trunc_defined): Delete.
8045 (output_prolog): Don't output .extern definitions for fp->int
8046 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
8047 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
8048 (trunc_defined): Delete.
8049 (RS6000_ITRUNC): Moved to aix.h.
8050 (RS6000_UITRUNC): Likewise.
8051 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
8052 only emit a libcall.
8053 (fixuns_truncdfsi2): Delete.
8054 (trunc_call): Delete.
8055 (trunc_call_rtl): Delete.
8057 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8059 * varasm.c (make_decl_rtl): Restore leading star on
8060 DECL_ASSEMBLER_NAME set for decls with an asmspec.
8062 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8064 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
8065 won't give a spurious error for '#pragma pack()'. Simplify
8066 control flow for readability. 'reset' action is not necessary.
8068 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
8070 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
8071 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
8072 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
8073 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
8075 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
8076 profile.c, sdbout.c, tradcif.y, tree.c:
8077 Include defaults.h if not already included.
8078 Don't define the above macros.
8080 * Makefile.in: Update dependencies.
8082 2000-09-10 Mark Mitchell <mark@codesourcery.com>
8084 * c-common.h (add_stmt): Change prototype.
8085 (RECHAIN_STMTS): New macro.
8086 (CASE_LABEL_DECL): Likewise.
8087 (genrtl_case_label): Change prototype.
8088 (c_expand_start_case): Remove prototype.
8089 (build_case_label): Change prototype.
8090 (decl_constant_value): Declare.
8091 * c-common.c (check_case_value): Handle C++'s extensions to C
8093 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
8095 * c-parse.in (stmt): Adjust handling of return statements and case
8097 * c-semantics.c (add_stmt): Return the new statement.
8098 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
8099 returned expression. Directly generate RTL, rather than calling
8101 (genrtl_switch_stmt): Don't call c_expand_start_case.
8102 (build_case_label): Take the LABEL_DECL as input, too.
8103 (genrtl_case_label): Just call add_case_node.
8104 (expand_stmt): Adjust calls to genrtl_return_stmt and
8106 * c-tree.h (c_expand_start_case): Declare.
8107 * c-typeck.c (decl_constant_value): Give it external linkage.
8108 (c_expand_return): Don't call expand_return or expand_null_return;
8109 use genrtl_return_stmt instead.
8110 * stmt.c (struct nesting): Remove num_ranges field.
8111 (add_case_node): Give it external linkage.
8112 (expand_start_case): Don't set num_ranges.
8113 (expand_start_case_dummy): Don't clear it.
8114 (pushcase): Rely on add_case_node to handle `default' labels.
8115 (add_case_node): Handle `default' labels.
8116 * tree.c (tree_int_cst_compare): New function.
8117 * tree.h (tree_int_cst_compare): Declare.
8118 (add_case_node): Likewise.
8120 2000-09-10 Richard Henderson <rth@cygnus.com>
8122 * c-parse.in: Revert last change.
8123 (init_reswords): Do not enter disabled keywords into the ridpointers
8124 table, modulo objc weirdness.
8125 (_yylex): Return the canonical spelling for a keyword.
8127 2000-09-10 Philip Blundell <philb@gnu.org>
8129 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
8130 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
8132 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
8134 * alias.c (find_base_term): Handle ADDRESSOF.
8135 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
8137 2000-09-10 Denis Chertykov <denisc@overta.ru>
8139 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
8140 outputting templates with many lines.
8142 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8144 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
8145 to decide whether 64-bit support must be generated.
8147 2000-09-10 Richard Henderson <rth@cygnus.com>
8149 * c-parse.in (asm patterns): Fix volatile check.
8151 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8153 * cppmacro.c (check_trad_stringification): New function.
8154 (save_expansion): If -Wtraditional, warn about stringification of
8157 2000-09-11 Michael Hayes <mhayes@cygnus.com>
8159 * loop.h (struct loop_mem_info): Move from loop.c
8160 (struct loop_info): Add fields store_mems, mems, mems_idx,
8161 mems_allocated, unknown_address_altered,
8162 unknown_constant_address_altered, num_mem_sets, and
8163 first_loop_store_insn.
8165 * loop.c (loop_store_mems): Replace with field in loop_info struct.
8166 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
8167 (unknown_address_altered, unknown_constant_address_altered): Likewise.
8168 (num_mem_sets): Likewise.
8169 (replace_loop_mems, replace_loop_regs): New.
8170 (struct loop_replace_args): New.
8171 (load_mems): Use replace_loop_mems.
8172 (try_copy_prop): Use replace_loop_regs.
8173 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
8175 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8177 * configure.in: Recognize m6811-elf and m6812-elf.
8178 * configure: Regenerate.
8180 2000-09-09 Geoff Keating <geoffk@cygnus.com>
8182 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
8185 2000-09-10 Michael Hayes <mhayes@cygnus.com>
8187 * loop.c (struct movables): New.
8188 (num_movables): Move into struct movables.
8189 (the_movables): Change type to struct movables.
8190 (ignore_some_movables): Change struct movable arg to struct movables.
8191 (force_movables, combine_movables, regs_match_p): Likewise.
8192 (rtx_equal_for_loop_p, move_movables): Likewise.
8193 (scan_loop): Change movables to be of type struct movables.
8194 Replace last_movable with field in movables structure.
8196 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
8198 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
8199 (init_pragma): Avoid warning if pfile happens to be unused.
8200 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
8201 define init_pragma to nothing. Always prototype
8202 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
8204 * c-lex.c (process_directive): Always call dispatch_pragma.
8205 Initialize entering_c_header to 0.
8207 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8209 * config/m68hc11/m68hc11.md: New file, machine description for
8211 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
8212 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
8213 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
8214 * config/m68hc11/m68hc11-protos.h: New file.
8215 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
8216 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
8217 * config/m68hc11/xm-m68hc11.h: New file, target defs.
8218 * config/m68hc11/larith.asm: New file, libgcc routines.
8220 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8222 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
8223 (FPBIT_FUNCS): Add _usi_to_sf.
8224 * config/fp-bit.c (usi_to_float): New function.
8225 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
8226 (usi_to_float): Add appropriate #define.
8228 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8230 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
8232 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
8233 * i386.md (attr "type"): Add sse and mmx types.
8234 (attr "memory"): Handle them without a crash.
8235 (movsi_1, movdi_2): Allow MMX regs.
8236 (movdi splits): Don't split moves involving MMX regs.
8237 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
8238 (movv4sf_internal, movv4si_internal, movv8qi_internal,
8239 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
8240 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
8241 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
8242 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
8243 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
8244 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
8245 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
8246 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
8247 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
8248 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8249 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8250 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
8251 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
8252 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8253 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8254 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
8255 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
8256 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
8257 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
8258 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
8259 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8260 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8261 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
8262 mmx_clrdi): New patterns.
8264 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
8266 * arm.c: Don't include tm.h directly.
8268 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
8270 * recog.c (validate_replace_rtx_1): Fix confusion about equality
8271 testing; simplify subregs of constants and nested subregs.
8273 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
8275 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
8277 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8279 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
8281 * rtl.texi (description of USE): Add note about possible pitfalls
8283 From Richard Henderson:
8284 * reload1.c (choose_reload_regs): Compute need_mode properly.
8286 2000-09-07 Richard Henderson <rth@cygnus.com>
8288 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
8289 (__modsi3, __umodsi3): Likewise.
8290 (__udivsi3): Likewise. Normalize the TFmode values.
8292 2000-09-07 Geoff Keating <geoffk@cygnus.com>
8294 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
8296 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
8299 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8301 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
8302 (cmpeqdi_t): Add output pattern.
8303 (cmpeqdi_t+1): Don't split when not optimizing.
8304 Restore proper splitting operation.
8306 2000-09-07 Richard Henderson <rth@cygnus.com>
8308 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
8309 do not call dispatch_pragma.
8311 2000-09-07 Jim Wilson <wilson@cygnus.com>
8313 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
8314 to CLASS_CANNOT_CHANGE_MODE.
8315 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
8316 mode classes are different.
8318 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8320 * cpplib.h (struct cpp_options): Add user_label_prefix member,
8321 left out of commit which removed cppulp.c.
8323 2000-09-07 Richard Henderson <rth@cygnus.com>
8325 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
8326 after switch for CASE_DROPS_THROUGH.
8328 2000-09-07 Richard Henderson <rth@cygnus.com>
8330 * loop.c (strength_reduce): Call check_ext_dependant_givs.
8331 Properly extend the biv initial value for the giv.
8332 (record_biv): Zero ext_dependant.
8333 (record_giv): New argument ext_val. Update all callers.
8334 (general_induction_var): Likewise.
8335 (consec_sets_giv): Likewise.
8336 (simplify_giv_expr): Likewise. Fill in ext_val if we find
8337 a sign-extend, zero-extend, or truncate.
8338 (combine_givs_p): Make sure modes are compatible.
8339 (check_ext_dependant_givs): New.
8340 (extend_value_for_giv): New.
8341 * loop.h (struct induction): Add ext_dependant.
8342 * unroll.c (iteration_info): Extend the biv initial value for the giv.
8343 (find_splittable_givs): Likewise.
8344 (final_giv_value): Likewise.
8346 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8348 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
8349 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
8350 definitions from cpplib.h.
8351 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
8353 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
8354 documentation for REGISTER_TARGET_PRAGMAS.
8356 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
8357 default-pragma callback to implement -Wunknown-pragmas if
8359 * c-parse.in: Move all includes to top of file.
8360 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
8362 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
8364 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
8366 * arm.h, arm-protos.h, arm.c,
8367 c4x.h, c4x-protos.h, c4x.c,
8368 h8300.h, h8300-protos.h, h8300.c,
8369 i370.h, i370-protos.h, i370.c,
8370 i960.h, i960-protos.h, i960.c,
8371 sh.h, sh-protos.h, sh.c,
8372 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
8373 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
8375 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
8376 multiple include guard.
8377 * i370.md (untyped_call): Use GEN_CALL.
8378 (umodsi3): Remove unused variable.
8379 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
8380 * v850.c (output_move_single, output_move_double): Constify
8382 (print_operand): Constify a char *.
8383 * v850.h (struct small_memory_info): Constify name member.
8385 2000-09-07 Kazu Hirata <kazu@hxi.com>
8387 * config/h8300.h: Fix comment typos.
8388 * config/h8300/h8300.md: Likewise.
8389 * config/h8300/lib1funcs.asm: Likewise.
8391 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8393 * Makefile.in: Remove references to cppulp.{c,o}.
8394 * cppinit.c (initialize_builtins, cpp_start_read,
8395 cpp_handle_option): Update to use cpp_options structure.
8398 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8400 * c-common.c (time_char_table): Allow %#b and %#h.
8402 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8404 * reorg.c (find_end_label): If the basic block reorder pass moves the
8405 return insn to some other place try to locate it again and put our
8406 end_of_function_label there.
8407 * reorg.c (relax_delay_slots): Check if find_end_label created a
8408 new label that invalidates the current optimazation.
8410 2000-09-07 Catherine Moore <clm@redhat.com>
8412 * unroll.c (unroll_loop): Check for unconditional jumps
8413 to loop continuation. Delete if n_iterations is 1.
8414 (ujump_to_loop_cont): New routine.
8416 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8418 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8420 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8421 to handle multiword modes correctly. All callers and the declaration
8424 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8426 * c-common.h (prep_stmt): Declare.
8427 (lang_expand_stmt): Likewise.
8428 * c-decl.c (lang_expand_stmt): Remove.
8429 * c-semantics.c (lang_expand_stmt): Define.
8430 (prep_stmt): New function.
8431 (expand_stmt): Handle common statement types here.
8433 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8435 * configure.in (sh-*-linux*): Added.
8436 * configure: Rebuilt.
8437 * config/sh/t-linux: New file.
8438 * config/sh/sh.h (USERMODE_BIT): Define.
8439 (TARGET_USERMODE): Likewise.
8440 (TARGET_SWITCHES): New switches for the bits above.
8441 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8442 * config/sh/linux.h: New file.
8443 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8444 underscore on linux.
8445 (L_sdivsi3, L_udivsi3): Define for linux.
8446 (L_ic_invalidate): Define.
8447 * invoke.texi (SH Options): Document -musermode.
8449 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8451 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8452 CSE unless generating PIC.
8454 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8457 2000-09-06 H.J. Lu (hjl@gnu.org)
8459 * Makefile.in (clean_s1): Depend on stage_b.
8460 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8461 stage2. They are used for "make compare".
8463 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8465 Move statement-tree facilities from C++ to C front-end.
8466 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8467 (void_zero_node): New macro.
8468 (struct stmt_tree_s): New type.
8469 (stmt_tree): New typedef.
8470 (struct language_function): New type.
8471 (last_tree): New macro.
8472 (last_expr_type): Likewise.
8473 (walk_tree_fn): New typedef.
8474 (current_stmt_tree): New function.
8475 (begin_stmt_tree): Likewise.
8476 (add_stmt): Likewise.
8477 (finish_stmt_tree): Likewise.
8478 (statement_code_p): Likewise.
8479 (lang_statement_code_p): New variable.
8480 (walk_stmt_tree): New function.
8481 (STMT_IS_FULL_EXPR_P): New macro.
8482 * c-common.c (lang_statement_code_p): New variable.
8483 (c_common_nodes_and_builtins): Initialize void_zero_node.
8484 (statement_code_p): New function.
8485 (walk_stmt_tree): Likewise.
8486 * c-decl.c (language_function): Rename to ...
8487 (c_language_function): ... this. Include language_function.
8488 (push_c_function_context): Adjust accordingly.
8489 (pop_c_function_context): Likewise.
8490 (mark_c_function_context): Likewise.
8491 (current_stmt_tree): Define.
8492 * c-semantics.c (begin_stmt_tree): New function.
8493 (add_stmt): Likewise.
8494 (prune_unused_decls): Likewise.
8495 (finish_stmt_tree): Likewise.
8497 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8499 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8501 2000-09-06 Kazu Hirata <kazu@hxi.com>
8503 * calls.c: Fix formatting.
8505 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8507 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8509 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8511 Integrated preprocessor.
8513 * Makefile.in: Remove all references to c-parse.gperf,
8514 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8515 generating c-parse.c. Update dependencies.
8516 * c-parse.gperf, c-gperf.h: Delete.
8518 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8519 yy_lim, or yy_get_token. Don't define get_directive_line if
8521 * c-common.h: Add multiple include guard. Define RID values
8522 for every keyword in C, C++, and Objective C. Put all the
8524 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8525 * c-decl.c (c_decode_option): Handle -lang-objc here.
8526 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
8527 (grokdeclarator): Adjust for new RID scheme.
8528 (extract_interface_info): New stub.
8529 * c-lang.c: Don't declare yy_cur or parse_options.
8530 (lang_init_options): Call cpp_init. Don't call
8532 (lang_init): Don't call check_newline if USE_CPPLIB.
8534 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
8535 Elide lots of unnecessary code if USE_CPPLIB. Delete code
8536 rendered unnecessary by new architecture. Move routines not
8537 shared with C++ to c-parse.in. Maintain a local idea of the
8538 line number. Handle C++ as well as C.
8539 [USE_CPPLIB]: Declare and register callbacks for #ident and
8540 for entering/leaving files.
8541 (init_c_lex, c_lex): Are now the entry points to this file.
8542 (check_newline): Break out directive handling to
8544 (read_ucs, is_extended_char, utf8_extend_token): Moved here
8546 (readescape, parse_float): Overhaul.
8547 (lex_number, lex_string, lex_charconst): Break out of c_lex
8549 (get_fileinfo, update_header_times, dump_one_header,
8550 dump_time_statistics): New and/or moved here from C++.
8551 Support per-file data needed by C++ and per-header timing
8552 statistics (C++ only, at the moment).
8553 * c-lex.h: Update prototypes. Add multiple include guard.
8554 * c-tree.h (struct lang_identifier): Add rid_code field.
8555 (C_IS_RESERVED_WORD, C_RID_CODE): New.
8557 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
8558 reinit_parse_for_function and/or position_after_white_space.
8559 (save_filename, save_lineno): Look ahead before saving.
8560 (label -> identifier ':'): Save file and line before shifting ':'.
8561 (reservedwords): No need to call get_identifier.
8562 (init_parse, finish_parse, yyerror, yylex, yyprint,
8563 make_pointer_declarator): Are now here for C/ObjC.
8564 (rid_to_yy): Conversion table from RID constants to Yacc codes.
8566 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
8567 #pragma registry. Provide dummy implementation of that
8568 interface if !USE_CPPLIB.
8569 * c-pragma.h: Update to match.
8571 * flags.h: Add multiple include guard.
8572 (flag_detailed_statistics): Moved here from C++.
8573 * toplev.c: Define flag_detailed_statistics.
8575 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
8577 * timevar.def (TV_CPP, TV_LEX): New.
8578 * timevar.h: Add multiple include guard.
8580 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
8582 * objc/objc-act.c: Don't mention yy_cur or parse_options.
8583 Initialize cpplib properly. Force lineno to 0 after first
8584 call to check_newline. Don't handle -lang-objc here.
8585 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
8587 2000-09-06 David Edelsohn <edelsohn@gnu.org>
8589 * rs6000.md: Correct function unit definitions for cr_logical and
8591 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
8592 and use portable method for >=0 and floating point >=. Remove
8593 associated matchers.
8595 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8597 * extend.texi: Mark named return value extension as deprecated.
8599 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8601 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
8604 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
8606 * toplev.c (display_help): Fix thinko in documentation.
8608 * diagnostic.h (output_buffer::indent_skip): New fields.
8609 (output_indentation): New macro.
8611 * diagnostic.c (output_indent): New function.
8612 (output_set_prefix, clear_diagnostic_info): Use.
8613 (output_emit_prefix): Predict future indentation.
8615 2000-09-06 DJ Delorie <dj@redhat.com>
8617 * Makefile.in (stage_*): add more dependencies to ensure parallel
8618 builds build correctly
8620 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
8622 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
8623 not bootstrap-lean_f.
8625 2000-09-06 Andreas Schwab <schwab@suse.de>
8627 * mklibgcc.in: Emit rule for libgcc-stage-start.
8628 * Makefile.in (stage1-start, stage2-start, stage3-start,
8629 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
8631 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
8633 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
8634 (update_equiv_regs): Likewise, except for the mn10200 kludge.
8635 (combine_regs): Likewise.
8637 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
8638 * cse.c: Include "basic-block.h".
8639 (struct table_elt): New field REGCOST.
8640 (CHEAP_REG): Delete macro.
8641 (COST): Return 0 for REGs.
8642 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
8643 (notreg_cost): Return 0 for appropriate SUBREGs.
8644 (COSTS_N_INSNS): Return N * 2.
8645 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
8647 (CHEAPER): Use new function preferrable.
8648 (insert): Initialize REGCOST member.
8649 (find_best_addr): Use approx_reg_cost for estimation of register
8651 (cse_insn): Likewise.
8652 * loop.c (iv_add_mult_cost): New function.
8653 (add_cost, shift_cost, mult_cost): Delete variables.
8654 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
8655 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
8656 Make code that detects autoinc opportunities slightly less optimistic.
8657 (simplify_giv_expr): If expression contains other reg that is also a
8658 giv, only increment benefit if this is the only use of that reg.
8659 (consec_sets_giv): Take that change into account.
8660 (combine_givs): Slightly more verbose output.
8662 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
8663 not the cost of an equivalent shift.
8664 * sh-protos.h (addsubcosts): Declare.
8665 * sh.c (addsubcosts): New function.
8666 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
8667 (RTX_COSTS): Tweak. Use addsubcosts.
8668 (ADDRESS_COST): Return higher cost for reg+reg addressing.
8670 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8672 * config/rs6000/rs6000.c (validate_condition_mode): New function.
8673 (branch_comparison_operator): Call validate_condition_mode to
8674 abort rather than returning 0.
8675 (branch_positive_comparison_operator): New function.
8676 (scc_comparison_operator): Call validate_condition_mode to abort
8677 rather than returning 0.
8678 (ccr_bit): Call validate_condition_mode. Update for
8680 (print_operand): Delete %C modifier. Update %E case
8681 to use EQ bit not SO bit.
8682 (rs6000_reverse_condition): New function.
8683 (rs6000_generate_compare): New function.
8684 (rs6000_emit_sCOND): New function.
8685 (rs6000_emit_cbranch): New function.
8686 (output_cbranch): The length of a long branch insn is
8687 now only 8 bytes. Add validate_condition_mode. Use
8688 rs6000_reverse_condition. Remove cror generation.
8690 * config/rs6000/rs6000.h: Update comments.
8691 (PREDICATE_CODES): Add new predicate. Update codes used
8692 by branch_comparison_operator and scc_comparison_operator.
8693 * config/rs6000/rs6000-protos.h: Add prototypes for
8694 new external functions.
8695 * config/rs6000/rs6000.md: Add new scheduling parameters
8696 for cr_logical instructions. Change length of branch
8698 (bCOND patterns): Call rs6000_emit_cbranch.
8699 (sCOND patterns): Call rs6000_emit_sCOND.
8700 (branch patterns): Change lengths to 4.
8701 (cr logical patterns): New.
8703 2000-09-06 Richard Henderson <rth@cygnus.com>
8705 * config/i386/i386.md (call_pop): Fix test for setting
8706 current_function_uses_pic_offset_table.
8707 (call, call_value_pop, call_value): Likewise.
8709 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8711 * timevar.c (timevar_add): Delete.
8712 (timevar_get): Also count time since the selected timer was
8713 last updated. Do not examine the timevar stack if the
8714 selected timer is standalone.
8716 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8718 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
8720 2000-09-05 Jason Merrill <jason@redhat.com>
8722 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
8723 for 'extern' arrays.
8725 2000-09-05 Richard Henderson <rth@cygnus.com>
8727 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
8728 Eliminate final copy from non-trapping case.
8729 (__divdf3, __divsf3): Likewise.
8731 2000-09-05 Richard Henderson <rth@cygnus.com>
8733 * config/ia64/ia64.md (mulhi3): Fix typo last change.
8734 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
8736 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8738 * Makefile.in: Restructure bootstrap stages to allow clean
8739 restart after failure.
8741 2000-09-05 Richard Henderson <rth@cygnus.com>
8743 * config/ia64.md (movsi and movdi patterns): Allow moves from
8744 8-bit constants to AR registers.
8746 2000-09-05 Richard Henderson <rth@cygnus.com>
8748 * config/ia64/ia64.md (mulhi3): New.
8750 2000-09-05 Richard Henderson <rth@cygnus.com>
8752 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
8753 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
8754 Optimization Guide, minimum latency alternative.
8755 (__moddi3, __udivdi3, __umoddi3): Likewise.
8756 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
8758 2000-09-05 Bruce Korb <bkorb@gnu.org>
8760 * fixinc/fixincl.c (load_file): always read header files
8761 with sizes that are a multiple of the page size.
8762 & use libiberty's getpagesize for determining that.
8764 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
8766 * gcse.c (hash_string_1): Add prototype.
8767 * cse.c (canon_hash_string): Likewise.
8769 2000-09-04 Craig Newell <CraigN@ieee.org>
8771 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
8773 2000-09-04 Andreas Schwab <schwab@suse.de>
8775 * Makefile.in (STAGESTUFF): Remove libgcc.
8776 (stage1-start, stage2-start, stage3-start): Copy the contents of
8777 the libgcc directory explicitly.
8778 (mostlyclean): Clean libgcc.
8780 2000-09-04 Andrew Haley <aph@redhat.com>
8782 * dwarf2out.c: (stack_adjust_offset): New prototype.
8784 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
8786 * combine.c (make_extraction): Fix rtx_cost comparison to
8789 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
8791 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
8792 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
8793 Add '*' to insn pattern name.
8795 2000-09-04 Jakub Jelinek <jakub@redhat.com>
8797 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
8798 use posn - 1 to index into tokens array.
8799 (maybe_paste_with_next): Adjust caller.
8801 2000-09-03 Geoff Keating <geoffk@cygnus.com>
8803 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
8805 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
8806 (REGNO_REG_CLASS): Use symbolic register
8809 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
8811 * arm.c (final_prescan_insn): If the form of a jump insn isn't
8812 recognized, don't try to conditionally execute it.
8814 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
8816 * config/avr/avr.md ("*tablejump_lib"): New pattern.
8817 (call_value_insn): Right length claculation.
8818 (call_insn): Likewise.
8820 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
8822 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
8823 gas_output_limited_string, gas_output_ascii, output_movqi,
8824 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
8825 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
8826 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8827 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
8828 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
8829 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
8830 Add "const" as needed to remove warnings.
8832 * config/avr/avr.c (avr_override_options, avr_init_once,
8833 function_prologue, function_epilogue, frame_pointer_required_p,
8834 class_likely_spilled_p, order_regs_for_local_alloc,
8835 avr_address_cost, avr_ret_register): Use K&R style arguments.
8836 (initial_elimination_offset, gas_output_limited_string):
8837 Remove ATTRIBUTE_UNUSED from the used arguments.
8838 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
8839 Use local variables src, dest, base to access operands[].
8840 Rename reg_dest to reg_src if that's what it is.
8841 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
8842 constants to LD_REGS if reg_was_0.
8843 (output_reload_insisf): Change arg 3 to insn length and set it.
8844 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
8845 access to 16-bit I/O register pairs.
8846 (avr_address_cost): Lower cost for the above case.
8847 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
8848 may be clobbered, also for LD_REGS.
8849 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
8852 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
8854 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
8855 macro to test_hard_reg_class function.
8856 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
8857 for loading immediate constants to LD_REGS.
8858 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
8861 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
8863 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
8864 * config/avr/libgcc.S: Lost part of the previous patch.
8866 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8868 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
8869 object before calling pthread_mutex_init.
8871 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
8873 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
8874 config/sh/crtn.asm: New files.
8875 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
8876 (crt1.o, crti.o, crtn.o): New targets.
8877 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
8879 * configure: Rebuilt.
8880 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8881 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
8882 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8883 Undefine for config/elfos.h to redefine.
8884 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
8886 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8888 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
8889 legitimize_pic_address, output_pic_addr_const): Declare.
8890 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
8891 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
8892 (TARGET_SWITCHES): New switch -mprefergot.
8893 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
8894 (PIC_OFFSET_TABLE_REGNUM): Define.
8895 (GOT_SYMBOL_TABLE): Likewise.
8896 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
8897 (ENCODE_SECTION_INFO): Define.
8898 (FINALIZE_PIC): New macros.
8899 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
8900 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
8901 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
8902 (prepare_move_operands): Call emit_pic_move or
8903 emit_pic_const_move if appropriate.
8904 (output_far_jump): For PIC, use braf and output long offset.
8905 (machine_dependent_reorg):
8906 (sh_expand_prologue): Save and initialize the PIC register.
8907 (sh_expand_epilogue): Restore it.
8908 (initial_elimination_offset): Account for it.
8909 (nonpic_symbol_mentioned_p): New function.
8910 (legitimize_pic_address): Likewise.
8911 (output_pic_addr_const): Likewise.
8912 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
8913 (call, call_value): Use them.
8914 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
8915 symPLT_label2reg): New expands.
8916 * invoke.texi (SH Options): Document -mprefergot.
8918 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
8920 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
8921 * gcse.c (hash_string_1): New function.
8922 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
8923 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
8924 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
8925 (canon_hash_string): New function.
8926 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
8927 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
8928 (fold_rtx): Use ASM_OPERANDS accessor macros.
8929 * emit-rtl.c (copy_insn_1): Likewise.
8930 * integrate.c (copy_rtx_and_substitute): Likewise.
8931 * stmt.c (expand_asm_operands): Likewise. Give an
8932 ASM_OPERANDS rtx the mode of the output reg being set from it.
8934 2000-09-01 Fred Fish <fnf@be.com>
8936 * fix-header.c (write_rbrac): Add putc and getc to list of
8937 functions to protect against prior definition as a macro.
8939 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
8941 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
8942 (c_size_type_node): Define.
8943 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
8944 * c-common.c (enum format_lengths, enum format_std_version,
8945 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
8946 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
8947 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
8948 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
8949 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
8950 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
8951 format_types): Define.
8952 (format_char_info, print_char_table, scan_char_table,
8953 time_char_table): Rearrange for new organization of information
8954 about format length modifiers and standard versions.
8955 (T_ST): Redefine to use c_size_type_node.
8956 (check_format_info): Obtain information about length modifiers and
8957 standard versions from tables. Adjust warning message wordings.
8958 Use the name from the user's program for `ll' and `hh' length
8959 modifiers in warning messages. Use more informative names for
8960 wanted types where available (for wchar_t, wint_t, size_t, signed
8961 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8963 2000-09-01 Jim Wilson <wilson@cygnus.com>
8965 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8966 * combine.c (distribute_notes): Handle REG_NORETURN.
8967 * rtl.c (reg_note_name): Add REG_NORETURN.
8968 * rtl.h (enum reg_note): Likewise.
8970 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8972 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8973 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8974 (emit_predicate_relation_info): Handle conditional calls with
8976 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8977 instead of ia64_file_start.
8978 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8979 * config/ia64/ia64.md (safe_across_calls_all,
8980 save_across_calls_normal): New patterns.
8982 * loop.c (check_final_value): Check for biv use before checking for
8983 giv use. Check for both biv and giv uses. Always set last_giv_use
8984 if there is a giv use.
8986 2000-09-01 Richard Henderson <rth@cygnus.com>
8988 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8989 (madddi3): Likewise.
8992 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8994 * expr.c (clear_storage): Don't use emit_move_insn unless
8995 either BLKmode or proper size.
8996 (store_constructor): Don't call clear_storage if REG of wrong size.
8998 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8999 of function if returns wiht stack pointer depressed.
9001 2000-09-01 Andrew Haley <aph@redhat.com>
9003 * dwarf2out.c (stack_adjust_offset): New function.
9004 (dwarf2out_stack_adjust): Break out stack adjust logic into
9005 new stack_adjust_offset function. Look inside parallels and
9006 sequences for stack adjustments.
9008 2000-08-31 Jeff Law <law@cygnus.com>
9010 * arm.md: Use no_new_pseudos to determine when it is safe
9011 to create new pseudo registers.
9013 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
9014 when we can safely allocate new registers.
9016 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
9018 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
9019 so that CONCATs are not generated for ASMs.
9020 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
9021 not generating_concat_p.
9022 * function.c (pop_function_context_from): Reset
9023 generating_concat_p.
9024 (prepare_function_start): Likewise.
9025 * rtl.c (generating_concat_p): Define.
9026 * rtl.h (generating_concat_p): Declare.
9027 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
9029 2000-08-22 Philipp Thomas <pthomas@suse.de>
9030 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
9032 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
9035 2000-08-30 Greg McGary <greg@mcgary.org>
9037 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
9038 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
9039 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
9041 2000-08-30 Greg McGary <greg@mcgary.org>
9043 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
9044 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
9045 (TREE_INT_CST): New macro.
9046 * varasm.c (const_hash, compare_constant_1, record_constant_1):
9047 Use new macro TREE_INT_CST.
9049 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
9051 * contrib.texi: Add self.
9053 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
9055 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
9056 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
9059 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9061 * fixinc/gnu-regex.c: Don't define `const'.
9063 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9065 * expr.c (store_constructor): Allow variable bounds of array type.
9066 (expand_expr): Don't blow up if type is ERROR_MARK.
9067 * varasm.c (output_constructor): Don't access lower bound of array
9068 type unless need it if index is supplied (so it can be a variable
9069 if no index is supplied).
9070 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
9071 Other minor cleanups.
9073 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9075 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
9076 for compilations in stage 1 and subsequent stages, respectively.
9077 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
9078 * configure: Rebuilt.
9079 * x-vax, x-vax-gcc: Deleted.
9081 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9083 * c-common.c (declare_function_name): Use func_id_node,
9084 function_id_node, and pretty_function_id_node. Do not make
9085 __func__ visible at file scope.
9086 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
9087 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
9088 (function_id_node, pretty_function_id_node, func_id_node): New
9090 * c-decl.c (init_decl_processing): Initialize function_id_node,
9091 pretty_function_id_node, and func_id_node.
9092 (c_make_fname_decl): Correct comment.
9094 * tree.h (struct tree_identifier): Constify pointer member.
9096 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
9097 * c-pragma.h (struct weak_syms): Constify name and value members.
9098 (add_weak): Constify arguments.
9100 * calls.c (special_function_p): Constify a char *.
9101 (expand_call): Remove variable which is initialized and then
9103 * dependence.c (struct def_use, struct induction, struct subscript):
9104 Constify 'variable' member.
9105 (get_low_bound, have_induction_variable): Constify char * argument.
9106 (find_induction_variable): Add braces to avoid dangling else.
9107 (classify_dependence): Constify char * arrays.
9108 * profile.c (output_func_start_profiler): Constify a char *.
9109 * stor-layout.c (finalize_record_size): Constify a char *.
9110 * tree.c (is_attribute_p): Constify a char *.
9111 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
9113 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
9114 for comprehensibility. Do not call get_identifier if we did
9115 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
9116 create temporary string constants, not ggc_alloc_string. No
9117 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
9118 char * to hold IDENTIFIER_POINTERs.
9120 2000-08-29 Richard Henderson <rth@cygnus.com>
9122 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
9125 2000-08-29 Richard Henderson <rth@cygnus.com>
9127 * reload.c (push_secondary_reload): Allow class == reload_class
9128 if we're using a reload_in/out pattern.
9130 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
9131 the half that does not conflict with the reload register.
9132 (reload_outti): Likewise.
9134 2000-08-29 Kazu Hirata <kazu@hxi.com>
9136 * reload.c: Fix formatting.
9138 * stmt.c: Fix formatting.
9140 * gcc.c: Fix formatting.
9142 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9144 * flags.h (time_report, mem_report): New global flags.
9145 * toplev.c: Define time_report and mem_report.
9146 (f_options): Add -ftime-report and -fmem-report.
9147 (compile_file): Turn on time_report if quiet_flag is off.
9148 Call ggc_print_statistics at very end if mem_report is on.
9149 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
9151 * ggc-common.c (ggc_print_statistics): Rename to
9152 ggc_print_common_statistics; all callers changed. Scale
9153 quantities above 10K to kilobytes and above 10M to megabytes.
9154 * ggc-page.c (ggc_page_print_statistics): Rename to
9155 ggc_print_statistics. Report memory consumed by internal data
9156 structures for each allocation bucket. Scale quantities above
9157 10K to kilobytes and above 10M to megabytes.
9158 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
9159 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
9160 Define tally_leaves always.
9161 (ggc_print_statistics): New function.
9162 * ggc.h: Adjust for renamed functions.
9164 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
9166 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
9167 output_movsisf instead of which_alternative.
9169 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
9171 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
9173 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
9174 (avr_progmem_p): New prototype.
9175 (output_movsisf): Prototype declaration changed.
9176 (output_movqi): New prototype.
9177 (output_movhi): New prototype.
9178 (call_insn_operand): Likewise.
9179 (final_prescan_insn): Likewise.
9180 (avr_simplify_comparision_p): Likewise.
9181 (avr_normalize_condition): Likewise.
9182 (compare_eq_p): Likewise.
9183 (out_shift_with_cnt): Likewise.
9184 (const_int_pow2_p): Likewise.
9185 (output_reload_inhi): Prototype declaration changed.
9187 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
9188 (ldi_reg_rtx): New. rtx for r31.
9189 (avr_init_stack): Initialize as "__stack".
9190 (function_prologue): Use it.
9191 Replace all TARGET_ENHANCED with AVR_ENHANCED.
9192 (avr_mcu_name): Initialize as "avr2".
9193 (avr_enhanced_p, avr_mega_p): New variables.
9194 (mcu_types, avr_override_options): Handle all known MCU types.
9195 Also handle avr1 (only preprocess, assemble and link).
9196 (print_operand): Using of `%K' in output template removed.
9197 (out_movqi_r_mr): Optimized.
9198 (out_movhi_r_mr): Likewise.
9199 (output_movqi): New function.
9200 (output_movhi): Likewise.
9201 (out_movsi_r_mr): Optimized.
9202 (output_movsisf): Compute insn length for `adjust_insn_length'
9203 (out_movqi_mr_r): Optimized.
9204 (out_movhi_mr_r): Optimized.
9205 (adjust_insn_length): Use output_movsisf, output_movqi,
9206 output_movhi for insn length adjusting.
9207 (reg_unused_after): Use dead_or_set_p.
9208 (preferred_reload_class): Now havn't any restriction.
9209 (reg_was_0): New function.
9210 (io_address_p): Likewise.
9211 (const_int_pow2_p): Likewise.
9212 (output_reload_inhi): Likewise.
9213 (output_reload_insisf): Likewise.
9215 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
9216 (LIB_SPEC): Use -lc for all supported devices.
9217 (LIBGCC_SPEC): Use -lgcc for all supported devices.
9218 (AVR_MEGA): Define as avr_mega_p.
9219 (AVR_ENHANCED): New, define as avr_enhanced_p.
9220 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
9221 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
9222 (CRT_BINUTILS_SPECS): Handle all known MCU types.
9223 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
9224 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
9225 (ASM_SPEC): Pass -mmcu=... to the assembler.
9226 Change all -DAVR_* to -D__AVR_*__.
9227 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
9228 Rename library functions to start with two underscores.
9229 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
9231 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
9232 (SUPPORTS_WEAK): Likewise.
9233 (LDI_REG_REGNO): New. Register r31 will be used as temporary
9234 register for loading constants to r0-r14.
9236 * config/avr/avr.md: Replace all TARGET_ENHANCED with
9238 (*mov_r_sp): Removed. Handled by output_movhi.
9239 (*mov_sp_r): Likewise.
9240 (*mov_sp_r_no_interrupts): Likewise
9241 (*mov_sp_r_tiny): Likewise.
9242 (*movqi): Use output_movqi.
9243 (*reload_inqi): New.
9244 (*movhi): Use output_movhi.
9245 (*reload_inhi): New.
9246 (*negsi2): Optimized.
9247 (*negsf2): Likewise.
9248 Added peepholes (define_peephole2) for loading constants to r0-r14
9249 and for using `cpse' command.
9251 * config/avr/libgcc.S: Rename library functions to start with two
9253 Add support for enhanced core.
9254 (_moqhi3): Fix typo, now _modqi3.
9255 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
9256 (__prologue_saves__): Remove test for stack adjust by 0.
9257 (__tablejump__): New.
9259 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
9260 Add multilib support.
9262 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
9264 * loop.c (prescan_loop): Don't check unknown_address_altered
9265 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
9266 to loop_store_mems as necessary.
9267 (loop_invariant_p): Don't check unknown_address_altered
9268 or unknown_constant_address_altered.
9270 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9272 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
9274 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9276 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
9277 print just the filename.
9278 * cpplex.c (_cpp_run_directive): Add additional argument, the
9279 name to give the synthetic buffer. This defaults to
9280 translated "<command line>".
9281 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
9283 (_cpp_define_builtin): New function.
9284 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
9285 * cpphash.h: Update prototypes.
9287 * tradcpp.c (main): Process -D and -U simultaneously, in the
9288 order they appeared on the command line.
9290 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9292 * c-decl.c (define_label): Call warning_with_file_and_line and
9293 error_with_file_and_line instead of plain warning or error.
9295 * c-parse.in (label): Use save_filename/save_lineno to ensure
9296 correct values for calls to define_label.
9298 2000-08-29 Mark Mitchell <mark@codesourcery.com>
9300 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
9302 * expr.c (expand_expr, case TARGET_EXPR): Don't call
9304 * tree.h (get_file_function_name): Remove two duplicate
9307 2000-08-28 Kazu Hirata <kazu@hxi.com>
9309 * tree.c: Fix formatting.
9311 * xcoffout.c: Fix formatting.
9313 2000-08-28 Jason Merrill <jason@redhat.com>
9315 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
9317 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9319 * dwarf2out.c (dwarf2out_finish): Don't bother calling
9320 break_out_includes if it won't do anything.
9322 2000-08-28 Richard Henderson <rth@cygnus.com>
9324 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
9325 (find_reloads): Likewise.
9326 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
9327 (reload_inhi): Likewise.
9329 2000-08-28 Richard Henderson <rth@cygnus.com>
9331 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
9332 (call_insn_operand): Don't expect a surrounding mem.
9333 (constant_call_address_operand): Likewise.
9334 * config/i386/i386.h (PREDICATE_CODES): Update.
9335 * config/i386/i386.md (call patterns): Move the match_operand
9336 for the call destination inside the mem.
9338 2000-08-28 Richard Henderson <rth@cygnus.com>
9340 * local-alloc.c (requires_inout): Don't use reserved range for
9341 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
9342 * recog.c (asm_operand_ok): Likewise.
9343 (preprocess_constraints, constrain_operands): Likewise.
9344 * regclass.c (record_reg_classes): Likewise.
9345 * reload.c (find_reloads): Likewise.
9346 * reload1.c (maybe_fix_stack_asms): Likewise.
9347 (reload_cse_simplify_operands): Likewise.
9348 * stmt.c (expand_asm_operands): Likewise.
9350 * md.texi: Update constraints documentation.
9351 * tm.texi (EXTRA_CONSTRAINT): Update.
9353 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9355 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
9356 (print_die): If we don't know the offset of the
9357 target die, try the symbol. Add a trailing newline.
9358 (reverse_all_dies): New fn.
9359 (dwarf2out_finish): Call it.
9360 (break_out_includes): Reorganize for clarity.
9361 (add_sibling_attributes): Don't call reverse_die_lists.
9362 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
9364 * flags.h: Add flag_eliminate_dwarf2_dups.
9365 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
9367 2000-08-28 Jason Merrill <jason@redhat.com>
9369 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
9370 * dwarf2out.c: #include "md5.h".
9371 (DIE_LABEL_PREFIX): New macro.
9372 (dw_val_struct): Add 'external' flag to val_die_ref.
9373 (add_AT_die_ref, AT_ref): Adjust.
9374 (AT_ref_external, set_AT_ref_external): New fns.
9375 (build_abbrev_table): Call set_AT_ref_external.
9376 (value_format): Call AT_ref_external.
9377 (die_struct): Add die_symbol field.
9378 (new_die): Clear it.
9379 (dwarf_tag_name): Handle BINCL/EINCL.
9380 (dwarf2out_start_source_file): Add BINCL DIE.
9381 (dwarf2out_end_source_file): Add EINCL DIE.
9382 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
9383 (loc_checksum, attr_checksum, die_checksum): New fns.
9384 (is_type_die, is_comdat_die, is_symbol_die): New fns.
9385 (compute_section_prefix, assign_symbol_names): New fns.
9386 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9387 (output_die): Call output_die_symbol and AT_ref_external.
9388 (output_comdat_comp_unit): New fn, split out from...
9389 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9391 (output_pubnames, output_aranges): Abort if we see entries from
9393 * toplev.h: Declare file_name_nondirectory.
9394 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9395 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9396 (debug_start_source_file): Call dwarf2out_start_source_file
9397 regardless of debug verbosity.
9398 (debug_end_source_file): Similarly.
9399 * tree.h: Declare clean_symbol_name.
9400 * tree.c (clean_symbol_name): Split out from...
9401 (get_file_function_name_long): ...here.
9403 * dwarf2out.c (new_loc_descr): Use calloc.
9404 (splice_child_die): Remove the die from the right parent.
9405 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9407 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9409 * toplev.c (decode_g_option): Don't give warning for unknown -g
9410 option; return 0 instead.
9411 (main): If -g option is not recognized by front end or
9412 language-independent code, give warning.
9414 2000-08-28 Greg McGary <greg@mcgary.org>
9416 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9417 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9418 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9420 2000-08-27 Greg McGary <greg@mcgary.org>
9422 * cpplex.c (parse_string): Don't look for backslash
9423 before first char in `namebuf'.
9424 * loop.c (strength_reduce): Skip NOTEs.
9426 2000-08-27 Jason Merrill <jason@redhat.com>
9428 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9429 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9430 TREE_ASM_WRITTEN, either.
9431 (finish_decl): Adjust.
9433 2000-08-28 Philipp Thomas <pthomas@suse.de>
9435 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9436 they have been incorporated into the gettext CVS. Change the text to
9437 reflect the current status of NLS. Add instructions for accessing
9438 the gettext CVS and add the patch from Martin v. Loewis.
9440 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9442 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9443 by using gen_lowpart_common.
9444 (movdi_internal64+6): Likewise.
9446 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9448 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9451 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9452 numbers to the ranges used by GDB.
9454 2000-08-25 Richard Henderson <rth@cygnus.com>
9456 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9457 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9458 (ia64_expand_prologue): Likewise.
9459 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9460 argument for stdargs.
9462 2000-08-25 Jason Merrill <jason@redhat.com>
9464 * integrate.c (expand_inline_function): Pull out the original decl.
9466 2000-08-25 Jim Wilson <wilson@cygnus.com>
9468 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9470 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9472 2000-08-25 Greg McGary <greg@mcgary.org>
9474 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9475 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9477 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9479 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9481 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9483 * i386.c (ix86_find_base_term): New.
9484 * i386-protos.h (ix86_find_base_term): Prototype.
9485 * i386.h (FIND_BASE_TERM): Define.
9486 * alias.c (find_base_term): Use it.
9487 * tm.texi (FIND_BASE_TERM): Document it.
9489 * alias.c (true_dependence, write_dependence_p): Unchanging
9490 memory can't conflict with non-unchanging memory.
9492 * alias.c (memrefs_conflict_p): A BLKmode reference
9493 to a symbol (or CONST_INT address) always conflicts
9494 with a reference to another symbol.
9496 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9498 * c-common.c (time_char_table): Don't allow width and flags with
9501 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9503 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9504 way as LT and LTU when the second operand has 0 in low word.
9506 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9508 * basic-block.h (struct loop): Rename `exits' field to
9509 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9511 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9512 (flow_loop_entry_edges_find): Add.
9513 (flow_edge_list_print): Rename from flow_exits_print.
9514 (flow_loops_find): Call flow_loop_entry_edges_find.
9515 (flow_loop_dump): Dump entry_edges list.
9516 (flow_loops_free): Free entry_edges.
9518 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9520 * loop.c (loop_dump_aux, debug_loop): New functions.
9521 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9523 * flow.c (flow_loops_dump): Add callback parameter.
9524 (flow_loop_dump): Add callback parameter and call it. Move
9525 loop note debugging code to loop_dump_aux.
9527 * basic-block.h (flow_loop_dump): Add callback parameter
9528 (flow_loops_dump): Likewise.
9530 * toplev.c (rest_of_compilation): Add NULL callback function pointer
9531 to call to flow_loops_dump.
9533 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9535 * loop.c (count_loop_regs_set): Replace start and end arguments
9536 with loop argument. All callers udated.
9538 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9540 * loop.c (constant_high_bytes): Delete.
9542 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9544 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
9545 and NOTE_INSN_LOOP_VTOP to...
9546 (find_and_verify_loops) ...here.
9548 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9550 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
9551 (fini_dummy, init_dummy): Use it.
9553 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
9555 * cpplex.c (is_macro_disabled): Caller has already checked
9556 that we're not a preprocessed file.
9558 2000-08-24 Mark Mitchell <mark@codesourcery.com>
9560 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
9561 (c-iterate.o): Remove target.
9562 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
9563 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
9564 (finish_decl): Don't handle iterators.
9565 (grokdeclarator): Likewise.
9566 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
9567 * gcc/c-gperf.h: Regenerated.
9568 * gcc/c-iterate.c: Removed.
9569 * gcc/c-lex.c (init_lex): Don't handle iterators.
9570 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
9571 (compstmt_primary_start): Remove push_iterator_stack call.
9572 (stmt): Don't allow iterator statements. Replace iterator_expand
9573 with expand_expr_stmt.
9574 (all_iter_stmt): Remove.
9575 (all_iter_stmt_simple): Likewise.
9576 (all_iter_stmt_with_decl): Likewise.
9577 * gcc/c-tree.h (ITERATOR_P): Remove.
9578 (ITERATOR_BOUND_P): Likewise.
9579 (init_iterators): Remove declaration.
9580 (iterator_expand): Likewise.
9581 (iterator_for_loop_start): Likewise.
9582 (iterator_for_loop_end): Likewise.
9583 (iterator_for_loop_record): Likewise.
9584 (push_iterator_stack): Likewise.
9585 (pop_iterator_stack): Likewise.
9586 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
9587 (readonly_warning): Likewise.
9588 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
9590 2000-08-24 Jim Wilson <wilson@cygnus.com>
9592 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
9593 Copy type in a TYPE_DECL, just like pushdecl does.
9595 2000-08-24 Richard Henderson <rth@cygnus.com>
9597 * toplev.c (main): Enable flag_reorder_blocks at -O2.
9599 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9601 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
9602 asked for one page, allocate GGC_QUIRE_SIZE of them and put
9603 the extras on the free list.
9604 (release_pages): Clean up.
9605 (ggc_set_mark): Don't adjust G.allocated here...
9606 (sweep_pages): ... do it here.
9608 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9610 * cppfiles.c (read_include_file): Rearrange initializations.
9612 2000-08-24 Richard Henderson <rth@cygnus.com>
9614 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
9616 * config/ia64/ia64-protos.h: Update.
9617 * config/ia64/ia64.c (gr_register_operand): New.
9618 (fr_register_operand, grfr_register_operand): New.
9619 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
9620 (grfr_reg_or_8bit_operand): New.
9621 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
9622 use gr_register_operand.
9623 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
9624 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
9625 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
9626 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
9627 (fr_reg_or_fp01_operand): Likewise.
9628 (not_postinc_memory_operand): New.
9629 (ia64_split_timode): Remove unused variables.
9630 (rtx_needs_barrier): Check arguments to cmpxchg.
9631 (builtin_description): Remove.
9632 (bdesc_2argsi, bdesc_2argdi): Remove.
9633 (ia64_init_builtins): Declare all builtins directly.
9634 (ia64_expand_fetch_and_op): Rewrite to be called from
9635 ia64_expand_builtin directly. Use expand_binop and co.
9636 (ia64_expand_op_and_fetch): Likewise.
9637 (ia64_expand_compare_and_swap): Likewise.
9638 (ia64_expand_binop_builtin): Remove.
9639 (ia64_expand_lock_test_and_set): New.
9640 (ia64_expand_lock_release): New.
9641 (ia64_expand_builtin): Use them.
9642 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
9643 (EXTRA_CONSTRAINT): Use it.
9644 (PREDICATE_CODES): Update.
9645 * config/ia64/ia64.md (*): Use gr_register_operand and co.
9646 (mf): Indicate that we set memory as well as use it.
9647 (fetchadd_acq_si): Show memory being modified as well.
9648 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
9649 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
9650 (lock_test_and_set_si, lock_test_and_set_di): Remove.
9651 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
9652 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
9653 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
9654 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
9655 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
9656 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
9657 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
9658 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
9659 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
9660 return type. Pretty print definitions.
9662 2000-08-24 Jim Wilson <wilson@cygnus.com>
9664 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
9665 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
9667 2000-08-24 Jason Merrill <jason@redhat.com>
9669 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
9670 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
9671 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
9672 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
9674 2000-08-24 Greg McGary <greg@mcgary.org>
9676 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
9677 and extendtab within their proper array boundaries.
9678 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
9679 for the entire array.
9681 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
9682 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
9683 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
9684 * config/fr30/fr30.c (fr30_print_operand): Likewise.
9685 * config/i386/dgux.c (output_options): Likewise.
9686 * config/i386/dgux.h (ASM_FILE_START): Likewise.
9687 * config/m88k/m88k.c (output_options): Likewise.
9688 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
9689 * config/mcore/mcore.c (mcore_output_inline_const_forced,
9690 layout_mcore_frame, handle_structs_in_regs): Likewise.
9691 * config/mips/mips.c (output_block_move): Likewise.
9692 * config/rs6000/rs6000.c (rs6000_override_options,
9693 rs6000_file_start): Likewise.
9694 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
9695 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
9696 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
9697 * builtins.c (expand_builtin_setjmp): Likewise.
9698 * expr.c (safe_from_p): Likewise.
9699 * flow.c (life_analysis): Likewise.
9700 * fold-const.c (size_int_type_wide): Likewise.
9701 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
9702 * genattrtab.c (make_length_attrs): Likewise.
9703 * genopinit.c (gen_insn): Likewise.
9704 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
9705 * global.c (global_alloc): Likewise.
9706 * local-alloc.c (find_free_reg): Likewise.
9707 * mips-tdump.c (print_symbol): Likewise.
9708 * mips-tfile.c (parse_def, parse_input): Likewise.
9709 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
9710 * stmt.c (expand_nl_goto_receiver): Likewise.
9711 * stor-layout.c (set_sizetype): Likewise.
9712 * varasm.c (decode_reg_name): Likewise.
9713 * toplev.c (decode_f_option, decode_W_option,
9714 set_target_switch, print_switch_values): Likewise.
9715 (NUM_ELEM): Remove macro.
9716 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
9718 2000-08-24 Greg McGary <greg@mcgary.org>
9720 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
9721 (MAIN_NAME_P, main_identifier_node): New macros.
9722 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
9723 * c-decl.c (start_decl, grokdeclarator, start_function,
9724 store_parm_decls, finish_function): Use MAIN_NAME_P.
9725 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
9726 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
9727 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9728 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
9730 2000-08-24 Greg McGary <greg@mcgary.org>
9732 * cppfiles.c (actual_directory): Don't write beyond `dir'
9733 when it contains "".
9734 * real.c (asctoeg): Stay within bounds of etens[][].
9736 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9738 * dependence.c (dependence_string, direction_string,
9739 dump_one_node, dump_node_dependence): Hide unused identifiers.
9740 (get_low_bound, normalize_coefficients): Match definition to
9742 (get_one_coefficient): Initialize variables `value0_is_idx' and
9744 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
9745 (ziv_test): Delete variable `idx', use parameter `sub' instead.
9746 (direction_merge): Avoid automatic aggregate initialization.
9747 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
9748 Initialize variables `dest_idx' and `src_idx'.
9749 (end_dependence_analysis): Avoid C89 style function definition.
9751 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
9753 * c-common.c (time_char_table): Don't allow width with %F.
9754 (check_format_info): Don't allow "Z" length with scanf.
9756 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
9758 * diagnostic.c (finish_diagnostic): Define.
9759 (output_do_printf): Use wrap_text instead of output_add_string.
9760 (default_print_error_function): Avoid embedded '\n'.
9762 * diagnostic.h (flush_diagnostic_buffer): Declare.
9764 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
9766 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
9768 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
9770 * Makefile.in (GCC_PASSES): Add specs.
9772 2000-08-23 Jim Wilson <wilson@cygnus.com>
9774 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
9775 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
9776 EHANDLER nor UHANDLER bit is set.
9777 (__get_except_table): Likewise.
9779 2000-08-23 Nick Clifton <nickc@redhat.com>
9781 * config/arm/lib1funcs.asm: Replace upper case condition codes
9782 with lower case versions.
9784 * config/arm/arm.h (STRUCT_VALUE): Define.
9785 (STRUCT_VALUE_REGNUM): Delete.
9787 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
9789 * cpphash.h (IN_I): New flag for directive table.
9790 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
9792 (_cpp_check_directive): If -fpreprocessed, execute directives
9793 marked with IN_I. Issue no warnings in this case.
9794 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
9796 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
9798 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
9800 (check_format_info): Support printf 'I' flag; warn about it with
9803 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
9805 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
9806 barrier can't be ignored by the alias analysis code.
9808 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
9810 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
9811 works inside fixincl.
9813 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
9815 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
9816 simplify_relational_operation() unless both operands are of
9818 * cse.c (fold_rtx): Likewise.
9820 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
9822 * rtlanal.c (rtx_unstable_p): The pic register is stable
9823 (within one function) and the actual rtx should be used
9824 when checking the registers.
9825 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
9827 * alias.c (true_dependence, write_dependence_p): Fix
9828 bug in previous patch.
9830 * i386.c (ix86_GOT_alias_set): New.
9831 (legitimize_pic_address): Use it.
9833 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
9834 only stable if its address is stable.
9835 (rtx_varies_p): An unchanging MEM can't vary if
9836 its address doesn't vary.
9838 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9840 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
9842 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9844 * vax.h (ASM_SPEC): Pass `-J' to assembler.
9845 * x-vax-gcc: New file for bootstrapping with gcc.
9846 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
9847 * configure.in: Use x-vax-gcc with gcc.
9848 * configure: Rebuilt.
9850 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9852 * toplev.c (rest_of_compilation): Rebuild label notes after
9853 post-reload splitting pass if new labels have been created.
9855 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9857 * diagnostic.h (output_buffer_state): New macro.
9858 * diagnostic.c (diagnostic_for_decl, sorry,
9859 default_print_error_function, output_do_verbatim,
9860 report_diagnostic, report_problematic_module): Use it.
9862 (output_format): Use wrap_text instead of maybe_wrap_text.
9864 2000-08-22 Nick Clifton <nickc@redhat.com>
9866 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
9867 Common code for ARM divide and modulus functions.
9868 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
9870 (FUNC_END): New macro: Common code at the end of the division and
9872 (THUMB_FUNCTION_START): New macro: Common code at the start of
9874 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
9876 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9878 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
9880 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
9881 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
9884 2000-08-22 Nick Clifton <nickc@redhat.com>
9886 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
9887 restorative additions, test for bottom bits of IP being set,
9888 rather than relying upon the RORs not matching.
9891 2000-08-22 David Edelsohn <edelsohn@gnu.org>
9893 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
9894 text_section() as appropriate instead of emitting text csect
9896 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
9897 (UNIQUE_SECTION): Define macro.
9898 (ASM_OUTPUT_SECTION_NAME): Define macro.
9899 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
9900 on AIX if debugging and -fdata-sections always.
9902 2000-08-22 Steven King <sxking@uswest.net>
9904 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
9906 (LDBL_MAX): Same here.
9908 2000-08-22 Richard Henderson <rth@cygnus.com>
9910 * flow.c (tidy_fallthru_edge): Update b->end properly.
9912 2000-08-22 Stan Cox <scox@redhat.com>
9914 * Makefile.in (OBJS): Add dependence.o.
9915 * dependence.c: New file.
9917 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
9919 * calls.c (check_sibcall_argument_overlap_1): Adjust for
9921 (check_sibcall_argument_overlap): Likewise.
9923 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
9925 * invoke.texi (SH Options): Document -m4-nofpu,
9926 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
9927 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
9929 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
9931 * c-common.c (check_format_info): Give the 'some locales' warning
9932 for strftime %Ey rather than the unconditional 'only last 2 digits
9935 2000-08-22 Richard Henderson <rth@cygnus.com>
9937 * alias.c (init_alias_analysis): Do not register
9938 struct_value_incoming_rtx or static_chain_rtx as pointing
9941 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
9943 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
9945 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9947 * diagnostic.h (report_problematic_module): Declare.
9948 * diagnostic.c (report_problematic_module): New function.
9949 (report_error_function): Tweak.
9951 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9953 * stmt.c (expand_goto_internal, fixup_gotos): Only check
9954 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9956 2000-08-21 Richard Henderson <rth@cygnus.com>
9958 * flow.c (calculate_global_regs_live): Mark frame pointer live
9959 everywhere before reload.
9961 2000-08-21 Jim Wilson <wilson@cygnus.com>
9963 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9964 INTEL_EXTENDED_IEEE_FORMAT.
9965 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9966 clear last two bytes of output FP value.
9968 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9970 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9972 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9974 * unroll.c (loop_find_equiv_value): If ret is modified between
9975 insn and loop_start, ret might not be equivalent to reg.
9977 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9979 * c-common.c (init_dollar_format_checking,
9980 maybe_read_dollar_number, finish_dollar_format_checking): New
9982 (dollar_arguments_used, dollar_arguments_count,
9983 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9985 (check_format_info): Support $ formats for scanf and printf width
9986 and precision. Always increment format_chars to advance past the
9987 '*' of precision, not just when the format parameters are
9990 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9992 * mips.c (block_move_loop, expand_block_move,
9993 function_arg_partial_nregs, save_restore_insns, function_prologue,
9994 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9996 (function_arg_advance, function_arg): Match argument to format
9999 2000-08-21 Nix <nix@esperi.demon.co.uk>
10001 * gcc.c (do_spec_1): Implement %j spec flag.
10002 Remove dead comment.
10004 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
10005 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
10006 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
10007 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
10009 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
10010 writable) instead of hardcoded value.
10012 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
10014 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
10017 * gcc.c (cc1_options): Do not process -o or run the assembler if
10019 * objc/lang-spec.h: Likewise.
10021 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
10023 * fixinc/fixincl.c (fix_with_system): Pipe the output of
10024 "external" fixes through `cat', to avoid truncating the input
10025 file by redirection.
10027 2000-08-21 Jakub Jelinek <jakub@redhat.com>
10029 * config/i386/i386.md (lea_general_1): Copy insn condition to split
10031 (lea_general_2, lea_general_3): Likewise.
10033 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10035 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
10036 warnings to user code.
10038 * c-lex.c (readescape, yylex): Likewise.
10040 * c-typeck.c (store_init_value, process_init_element): Likewise
10041 (c_expand_start_case): Format.
10043 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
10045 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
10047 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
10048 and linker_endian_spec to endian_spec.
10049 (ENDIAN_SPEC): Add %{EB} and %{EL}.
10050 (LINK_SPEC): Remove %{EB} and %{EL}.
10051 (ASM_SPEC): Likewise. Use %(endian_spec).
10053 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
10055 * c-tree.h (flag_hosted): Move declaration from here...
10056 * c-common.h (flag_hosted): ... to here.
10057 (flag_noniso_default_format_attributes): New declaration.
10058 * c-decl.c (flag_noniso_default_format_attributes): New variable.
10059 (c_decode_option): Set it appropriately for options choosing
10060 language standard variant.
10061 * c-common.c (init_function_format_info): Only provide default
10062 format attributes if flag_hosted. Only provide the gettext
10063 formats if flag_noniso_default_format_attributes. Update
10065 (check_format_info): Disable treatment of %a as a scanf flag in
10068 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
10070 * c-common.c (scan_char_table): Add 'w' to flags for all formats
10072 (check_format_info): Set 'wide' for scanf format widths. Warn for
10073 a zero scanf width. Make the check for writing into a constant
10074 object at the first level of indirection; at later levels, warn if
10075 any type qualifiers are encountered.
10077 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
10079 * reload.c (reload_inner_reg_of_subreg): New function broken out of
10081 (push_reload): Use reload_inner_reg_of_subreg.
10082 (combine_reloads): Do not combine reloads if the input reload
10083 is a SUBREG in which the inner part will need reloading.
10085 * global.c (global_alloc): Avoid passing dumpfile argument to
10087 * toplev.c (rest_of_compilation): Likewise.
10088 * reload.h (reload): Remove dumpfile argument. Callers changed.
10089 (debug_reload, debug_reload_to_stream): Move prototypes here.
10090 * rtl.h (reload): Remove dumpfile argument.
10091 * reload.c (debug_reload): Remove prototype.
10092 (debug_reload_to_stream): Likewise.
10093 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
10096 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10098 * diagnostic.c (context_as_prefix): Export.
10099 (need_error_newline): Remove.
10100 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
10101 (error_module_changed, record_last_error_module,
10102 error_function_changed, record_last_error_function): New functions.
10103 (initialize_diagnostics): Default intialize
10104 lang_diagnostic_starter, lang_diagnostic_finalizer.
10105 (init_output_buffer): Tweak.
10106 (file_name_as_prefix): New function.
10107 (announce_function, default_print_error_function,
10108 report_error_function, set_diagnostic_context): Tweak.
10110 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
10112 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
10113 condition expression.
10115 2000-08-20 Richard Henderson <rth@cygnus.com>
10117 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
10119 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
10121 * cppinit.c (cpp_init): Set global flag when called.
10122 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
10124 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
10126 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
10127 before `process_directive' so that newlines won't be missed
10129 (cpp_printf): Increment `print->lineno' when newline is emitted.
10131 * cppmain.c (cb_ident): Likewise.
10132 (cb_define): Likewise.
10133 (cb_undef): Likewise.
10134 (cb_include): Likewise.
10135 (cb_def_pragma): Likewise.
10136 (dump_macros_helper): Likewise.
10138 2000-08-20 Richard Henderson <rth@cygnus.com>
10140 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
10141 assigned before a loop.
10143 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
10144 (ashrsi3, lshrsi3): Likewise.
10146 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10148 * c-lang.c: #include diagnostic.h
10149 (c_tree_printer): New function.
10150 (lang_init): Initialize lang_printer.
10152 * Makefile.in (c-lang.o): Depends on diagnostic.h
10154 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10156 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
10158 * diagnostic.c (default_diagnostic_starter,
10159 default_diagnostic_finalizer): New functions.
10160 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
10161 (pedwarn, pedwarn_with_file_and_line, error,
10162 error_with_file_and_line, fatal, warning,
10163 warning_with_file_and_line): Adjust call to report_diagnostic.
10164 (report_diagnostic): Rework.
10165 (set_diagnostic_context): New function.
10167 * diagnostic.h (struct diagnostic_context): New data structure.
10168 (diagnostic_message, diagnostic_argument_list,
10169 diagnostic_file_location, diagnostic_line_location,
10170 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
10171 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
10172 (set_diagnostic_context): Declare.
10173 (report_diagnostic): Change prototype.
10175 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
10177 * fix-header.c (main): Initialize cpplib.
10179 2000-08-19 Michael Meissner <meissner@redhat.com>
10181 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
10182 instructions in it before checking for indirect jumps.
10184 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
10185 in a indirect jump as a potential for conditional execution.
10187 * d30v.h (d30v_init_expanders): Don't declare here.
10188 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
10191 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
10193 * cpp.texi: Add @section for assertions.
10195 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
10197 * loop.c (scan_loop): Use CONST_CALL_P instead of
10198 checking for REG_LIBCALL / REG_RETVAL.
10200 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
10202 * reload1.c (reload_as_needed): Accept dumpfile argument,
10203 pass it to emit_reload_insns.
10204 (emit_reload_insns): Add new dumpfile argument. If non-null
10205 then dump the reloads for each insn into the dumpfile.
10206 (reload): Pass dumpfile to reload_as_needed.
10208 * invoke.texi: Clean up linux-gnu vs linux comments.
10210 2000-08-19 Richard Henderson <rth@cygnus.com>
10212 * config/ia64/ia64.c (reg_or_5bit_operand): New.
10213 (ia64_depz_field_mask): New.
10214 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
10215 (PREDICATE_CODES): Update.
10216 * config/ia64/ia64.md: Update commentary.
10217 (depz_internal): New.
10218 (ashlsi3): Implement directly.
10219 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
10220 (ashldi3): Use shladd.
10221 * config/ia64/ia64-protos.h: Update.
10223 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10225 * toplev.c (independent_decode_option): Always process -g.
10226 Remove third argument, now unused. Adjust caller to match.
10228 2000-08-18 Richard Henderson <rth@cygnus.com>
10230 * combine.c (make_compound_operation): Break after creating
10233 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10235 * cpplib.c (cpp_register_pragma_space): Just return if the
10236 namespace is already registered.
10238 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
10240 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
10241 constant amount. Do not generate ROTL instruction.
10243 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
10245 * config/sh/elf.h: Do not include sh/sh.h.
10246 * config/sh/rtems.h: Likewise.
10247 * config/sh/rtemself.h: Do not include sh/elf.h.
10248 * configure.in: Get them included with `tm_file's.
10249 * configure: Rebuilt.
10251 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
10252 * config/sh/sh.c (fpscr_set_from_mem): Use them.
10254 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10256 * stor-layout.c (compute_record_type): Don't use mode of single
10257 field as mode of record if not integer mode of same type.
10259 * regmove.c (perhaps_ends_bb_p): New function.
10260 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
10261 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
10262 (fixup_match_1): Likewise.
10263 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
10264 avoid signed/unsigned warnings.
10266 * function.c (fixup_var_refs_1, case MEM): Update CODE after
10269 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
10271 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
10272 (_cpp_trigraph_map): Declaration moved from cpplex.c
10274 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
10275 instead of 256. Use consistent test for designated initializers.
10276 (cpp_init): Initialize trigraph_map.
10277 (initialize_standard_includes, parse_option): Use memcmp
10278 instead of strncmp.
10280 * cpplex.c (init_trigraph_map): Remove.
10281 (trigraph_ok, trigraph_replace, lex_line): Refer to
10284 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
10285 (do_unassert): Remove unused "next" local.
10287 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
10289 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
10291 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
10294 2000-08-17 Richard Henderson <rth@cygnus.com>
10296 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
10297 the first insn in a sequence.
10299 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
10301 * alias.c (true_dependence, write_dependence_p): A read
10302 involving a label_ref or the constant pool doesn't create
10305 * rtl.h (unchanging): Improve documentation.
10307 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
10309 * cse.c (insert_regs): Remove unused `regno'.
10311 2000-08-17 Neil Booth <NeilB@earthling.net>
10313 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
10314 remove_dup_dirs. If qtail == brack, remove brack not
10316 (remove_dup_dir, remove_dup_dirs): New functions.
10318 2000-08-17 Neil Booth <NeilB@earthling.net>
10320 * cppinit.c (cpp_cleanup): Free include dir chains.
10321 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
10322 (do_unassert): Free the assert with _cpp_free_definition.
10323 * cppmacro.c (_cpp_free_definition): Free memory allocated for
10324 assertions. Make the node a T_VOID node.
10326 2000-08-17 Neil Booth <NeilB@earthling.net>
10328 * cppinit.c (path_include, append_include_chain):
10329 Remove 2nd parameter (struct cpp_pending *).
10330 (path_include, initialize_standard_includes, cpp_handle_option):
10331 Update callers appropriately.
10332 (cpp_handle_option): Use pend.
10334 2000-08-17 Neil Booth <NeilB@earthling.net>
10336 * cppinit.c (sort_options): Remove, put functionality in
10339 (initialize_builtins): Free memory.
10340 (cpp_start_read): Move init_IStable to cpp_init.
10342 * cpplib.h (cpp_init): New prototype.
10343 * cppmain.c (main): Call cpp_init.
10345 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
10347 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
10348 (rtx_unstable_p, rtx_varies_p): Process vectors.
10350 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10352 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
10353 references to GLOBAL symbols. Use LOCAL where appropriate.
10355 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10357 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
10358 use t-aix41 when host == target.
10360 2000-08-16 Richard Henderson <rth@cygnus.com>
10362 * reload.c (push_secondary_reload): Revert last change.
10363 If we use a reload_in/out pattern, make the when the same
10364 as the primary reload.
10365 (find_reloads): Likewise.
10367 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
10369 * configure.in (libstdcxx-v3): Fix test.
10370 * configure: Regenerate.
10372 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10374 * calls.c (calls_function_1, expand_call): Only test
10375 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10376 * function.c (thread_prologue_and_epilogue_insns): Likewise.
10378 2000-08-16 Richard Henderson <rth@cygnus.com>
10380 * combine.c (simplify_shift_const): Revert previous two
10381 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
10382 before the main loop.
10384 2000-08-15 Richard Henderson <rth@cygnus.com>
10386 * combine.c (simplify_shift_const): Bound shift count when
10389 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10391 * calls.c (ECF_SP_DEPRESSED): New macro.
10392 (calls_function_1): Treat calling sp-depressed function as alloca.
10393 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10394 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10395 If sp-depressed, ensure block saves and restores SP.
10396 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10398 * function.c (keep_stack_depressed): New function.
10399 (thread_prologue_and_epilogue_insns): Call it.
10400 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10401 to print DECL_OFFSET_ALIGN.
10402 Print no-force-blk and transparent-union flags properly.
10403 * stmt.c (expand_goto_internal): Don't restore stack if last block
10404 and function returns with sp depressed.
10405 (fixup_gotos): Likewise.
10406 (save_stack_pointer): New function, from code in expand_decl.
10407 (expand_decl): Call new function.
10408 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10409 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10410 (save_stack_pointer): New declaration.
10412 * diagnostic.c (fatal_function): New variable.
10413 (set_fatal_function): New function.
10415 * diagnostic.h (set_fatal_function): New declaration.
10417 2000-08-15 William Cohen <wcohen@redhat.com>
10419 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10420 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10421 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10423 2000-08-15 Richard Henderson <rth@cygnus.com>
10425 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10427 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10429 * arm.c (arm_function_ok_for_sibcall): New function.
10430 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10431 * arm.md (call expanders): Don't check here for calls that can't
10434 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10436 * arm.md (splits generating cond_exec): Disable.
10438 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10440 * arm/linux-elf.h (text_section): Delete declaration.
10442 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10444 ARM support for unordered FP operations.
10445 * arm-protos.h (arm_comparison_operator): Declare.
10446 * arm.c (arm_comparison_operator): New function.
10447 (arm_select_cc_mode): Add unordered comparison codes.
10448 (get_arm_condition_code): Likewise.
10449 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10450 be done in one insn.
10451 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10452 * arm.md (all uses of comparison_operator): Replace with
10453 arm_comparison_operator.
10454 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10456 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10459 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10461 * gthr-posix.h: Conditionally include <sched.h>; include
10462 <config.h> from libobjc/.
10464 2000-08-14 Richard Henderson <rth@cygnus.com>
10466 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10469 2000-08-14 Richard Henderson <rth@cygnus.com>
10471 * configure.in (ia64-*): Set float_format for i386 long double.
10473 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10474 as we would for i386 XFmode.
10475 (PUT_REAL): Likewise.
10476 (endian, ereal_atof, real_value_truncate): Likewise.
10477 (ereal_isneg, toe64, etens, make_nan): Likewise.
10478 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10480 * config/ia64/ia64-protos.h: Update.
10481 * config/ia64/ia64.c (general_tfmode_operand): New.
10482 (destination_tfmode_operand): New.
10483 (tfreg_or_fp01_operand): New.
10484 (ia64_split_timode): New.
10485 (spill_tfmode_operand): New.
10486 (ia64_expand_prologue): Use TFmode not XFmode.
10487 (ia64_expand_epilogue): Likewise.
10488 (ia64_function_arg): Likewise.
10489 (ia64_function_arg_advance): Likewise.
10490 (ia64_return_in_memory): Likewise.
10491 (ia64_function_value): Likewise.
10492 (ia64_print_operand): Likewise.
10493 (ia64_register_move_cost): Set GR<->FR to 5.
10494 (ia64_secondary_reload_class): Get GR for TImode memory op.
10495 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10496 (ROUND_TYPE_ALIGN): Remove.
10497 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10498 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10499 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10500 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10501 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10502 (CLASS_MAX_NREGS): Likewise.
10503 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10504 (PREDICATE_CODES): Update.
10505 * config/ia64/ia64.md (movti): New.
10506 (movti_internal): Use a clobber for memory alternatives.
10507 (reload_inti, reload_outti): New.
10508 (movsfcc_astep): Predicate properly.
10509 (movdfcc_astep): Likewise.
10512 (extendsftf2, extenddftf2): New.
10513 (trunctfsf2, trunctfdf2): New.
10514 (floatditf2, fix_trunctfdi2): New.
10515 (floatunsditf2, fixuns_trunctfdi2): New.
10516 (addtf3, subtf3, multf3, abstf2): New.
10517 (negtf2, nabstf2, mintf3, maxtf3): New.
10518 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10520 (fr_spill): Use TFmode, not XFmode.
10521 (fr_restore): Likewise.
10522 * config/ia64/lib1funcs.asm (__divtf3): New.
10523 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10525 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10527 * cse.c (fold_rtx): Avoid empty body in an if-statement.
10529 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
10530 `U' integer constant suffix.
10532 * dwarf2out.c (add_subscript_info): Avoid empty body in an
10535 * sparc/sol2.h (__enable_execute_stack): Prototype.
10537 2000-08-14 David Edelsohn <edelsohn@gnu.org>
10539 * collect2.c: Remove use of AIX import file.
10541 * longlong.h: Test ARCH_PWR not ARCH_POWER.
10543 * rs6000.c (print_operand, case 'E'): Add else.
10545 2000-08-14 Richard Henderson <rth@cygnus.com>
10547 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
10548 (movdi_symbolic): New.
10550 2000-08-14 Jim Wilson <wilson@cygnus.com>
10552 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10553 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
10554 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10557 2000-08-14 Richard Henderson <rth@cygnus.com>
10559 * expr.c (emit_group_load): Don't force constants into registers.
10560 Special case source already in the correct mode.
10562 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
10564 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
10565 * fixinc/inclhack.def: Likewise.
10566 * fixinc/mkfixinc.sh: Likewise.
10567 * configure: Regenerate.
10568 * fixinc/fixincl.x: Regenerate.
10569 * install.texi: Document equivalence of linux and linux-gnu.
10571 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10573 * cse.c (insert_regs): Also in REG case: When finding an invalid
10574 value, and we make a new quantity, make sure that it won't be
10575 mistaken by for a valid one by mention_regs.
10577 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
10579 * h8300.md: Remove obsolete peepholes.
10581 2000-08-13 Kazu Hirata <kazu@hxi.com>
10583 * invoke.texi (H8/300 Options): Fix typos.
10584 * config/h8300.c: Fix formatting.
10585 * config/h8300.h: Fix comment typos.
10586 (OVERRIDE_OPTIONS): Fix formatting.
10588 * function.c: Fix formatting.
10590 * cse.c: Fix formatting.
10592 2000-08-13 Geoff Keating <geoffk@cygnus.com>
10594 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
10595 (attempt_auto_inc): Suppress parentheses warning.
10596 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
10597 * loop.c (load_mems): Remove `u' suffix in two places.
10598 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
10600 * config/rs6000/rs6000.h: Likewise.
10601 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
10602 __eabi dummy routine.
10603 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
10604 variable `buf_ptr'.
10606 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
10607 not put stuff in .sdata unnecessarily.
10608 (rs6000_unique_section): New function.
10609 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
10610 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
10612 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
10613 arrays in C99. Don't try to look at DECL_REGISTER of a
10614 COMPONENT_REF. Don't complain twice about the same error.
10616 * fixinc/inclhack.def (aix_pthread): New fix.
10617 (aix_sysmachine): New fix.
10618 * fixinc/fixincl.x: Regenerate.
10620 * expr.c (expand_expr): Call convert_modes when turning a large
10621 multiply into a small one.
10623 2000-08-12 Geoff Keating <geoffk@cygnus.com>
10625 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
10626 the tree structure an exponent rather than an explicit alignment
10627 so it doesn't overflow.
10628 (SET_DECL_OFFSET_ALIGN): New macro.
10629 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
10630 rather than DECL_OFFSET_ALIGN.
10631 (place_field): Likewise.
10632 * expmed.c (store_bit_field): Abort on align==0 to avoid
10633 antisocial machine behaviour.
10635 2000-08-12 Richard Henderson <rth@cygnus.com>
10637 * sibcall.c (uses_addressof): Accept both addressof and
10638 current_function_internal_arg_pointer inside a mem.
10639 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
10640 if current_function_uses_addressof.
10641 * stmt.c (expand_return): Kill tail recursion and HAVE_return
10644 2000-08-11 Richard Henderson <rth@cygnus.com>
10646 * config/ia64/ia64.md (addsi3): Remove expander.
10647 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
10648 (*addsi3_shladd): New.
10650 2000-08-11 Richard Henderson <rth@cygnus.com>
10652 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10653 (do_restore): Likewise.
10654 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
10655 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
10656 (rtx_needs_barrier): Track actual bit manipulation for
10657 ar.unat moves, gr_spill, and gr_restore.
10658 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
10659 (process_set): Don't handle varargs spills.
10660 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
10661 .mem.offset here instead of in process_set.
10662 (gr_restore): Likewise.
10664 2000-08-11 Richard Henderson <rth@cygnus.com>
10666 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
10668 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10670 * gcc.texi (The Configuration File): Document
10671 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
10672 UPDATE_PATH_HOST_CANONICALIZATION.
10674 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10676 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
10677 unprototyped function pointer casts on integer constants.
10679 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
10681 * fixproto: Recognize DOS paths with drive letters as absolute paths.
10683 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
10685 * extend.texi (Volatiles): Fix typos.
10687 2000-08-11 Kazu Hirata <kazu@hxi.com>
10689 * flow.c: Fix formatting.
10691 2000-08-11 Richard Henderson <rth@cygnus.com>
10693 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
10694 pattern, always allocate a tertiary scratch register.
10696 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
10697 (reload_inhi): Likewise.
10699 2000-08-11 Richard Henderson <rth@cygnus.com>
10701 * function.c (put_reg_into_stack): Allow type to be NULL.
10702 (schedule_fixup_var_refs): Likewise.
10703 (gen_mem_addressof): Allow decl to be NULL.
10704 (put_addressof_into_stack): Likewise.
10706 * flow.c (merge_blocks_nomove): Be more careful about
10707 locating the beginning of block A.
10709 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
10711 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10716 * config.in: Reverted the check for <sched.h>.
10718 2000-08-10 Chris Demetriou <cgd@sibyte.com>
10720 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
10721 macros define the name of CTOR and DTOR sections.
10722 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10723 DTOR_LIST_END): Change to use attributes to specify
10725 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
10726 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10727 DTOR_LIST_END): Same as in mips/elf.h.
10729 2000-08-10 Drew Moseley <dmoseley@redhat.com>
10731 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
10732 disabling just crt0.o.
10734 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
10736 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
10737 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
10738 (EXTRA_SPECS): Add them.
10739 * arm/lib1funcs.asm: Support builds for interworking.
10740 Use macros to eliminate duplicated pieces of code.
10742 2000-08-10 Kazu Hirata <kazu@hxi.com>
10744 * h8300.c (expand_a_rotate): New.
10745 (emit_a_rotate): Likewise.
10746 (h8300_adjust_insn_length): Add support for the rotate insns.
10747 * h8300.md (rotlqi3): New.
10748 (*rotlqi3_1): Likewise.
10749 (rotlhi3): Likewise.
10750 (*rotlhi3_1): Likewise.
10751 (rotlhi3): Likewise.
10752 (*rotlhi3_1): Likewise.
10753 * h8300-proto.h: Add prototypes for expand_a_rotate and
10756 * h8300.c: Fix comment typos.
10757 (dosize): Declare the variable amount as unsigned.
10758 (get_shift_alg): Fix a comparison between signed and unsigned.
10759 (emit_a_shift): Likewise.
10760 (h8300_adjust_insn_length): Simplify the code.
10762 * c-decl.c: Fix formatting.
10764 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10766 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
10767 warning about non-traditional numeric constant suffixes.
10769 * cppexp.c (parse_number): Likewise.
10771 * invoke.texi: (-Wtraditional): Document new behavior.
10773 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10775 * gthr-posix.h: Include auto-host.h. Conditionally include
10777 * configure.in: Check for the <sched.h> header file.
10778 * config.in: Added define for HAVE_SCHED_H.
10780 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10782 * c-typeck.c (process_init_element): For -Wtraditional, warn about
10783 initialization of unions.
10785 * invoke.texi (-Wtraditional): Document new behavior.
10787 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
10789 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
10790 instead of extra_c_flags.
10791 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
10792 * configure: Regenerate.
10793 * config.in: Regenerate.
10795 * cpperror.c (cpp_type2name): New function.
10796 * cpplex.c (lex_line): If we issued an error for an invalid
10797 preprocessing directive, discard that logical line.
10798 * cpplib.c (do_line): Call a hook function if the current file
10799 is renamed by #line.
10800 (do_ident): Pass the contents of the string, not the entire
10801 token, to the callback function.
10802 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
10803 (cb.rename_file): New hook function.
10804 (cb.ident): Adjust prototype.
10805 (cpp_type2name): Prototype.
10806 * cppmacro.c (dump_macro_args): Correct precedence lossage.
10808 * cppmain.c (cb_ident): Update for changed interface.
10809 (cb_rename_file): New function.
10810 (main): Set rename callback.
10812 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
10814 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
10815 multi-word registers.
10817 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10819 * c-common.c (combine_strings, check_format_info): Refer to ISO C
10820 or ISO C89 instead of ANSI C.
10821 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
10822 build_enumerator, do_case): Likewise.
10823 * c-lex.c (parse_float, yylex): Likewise.
10824 * c-parse.in: Likewise.
10825 * c-typeck.c (common_type, build_array_ref, build_binary_op,
10826 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
10827 build_c_cast, convert_for_assignment, set_init_index,
10828 set_init_label, c_expand_start_case): Likewise.
10829 * toplev.c (documented_lang_options, display_help): Likewise.
10831 2000-08-08 Kazu Hirata <kazu@hxi.com>
10833 * h8300.c: Fix formatting.
10834 * h8300.h: Likewise.
10835 * h8300.md: Likewise.
10836 (movsi_h8300hs): Fix formatting of the resulting assembly code.
10838 * reload1.c: Fix formatting.
10840 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
10842 * alpha/alpha.c (alpha_emit_xfloating_libcall):
10843 Use GEN_CALL_VALUE define.
10844 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
10845 * clipper/clipper.md (untyped_call): Likewise.
10846 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
10847 * fx80/fx80.md (untyped_call): Likewise.
10848 * mips/mips.md (untyped_call): Likewise.
10849 * ns32k/ns32k.md (untyped_call): Likewise.
10850 * pa/pa.md (untyped_call): Likewise.
10851 * romp/romp.md (untyped_call): Likewise.
10852 * sparc/sparc.md (untyped_call): Likewise.
10854 2000-08-08 Jason Eckhardt <jle@cygnus.com>
10856 * config/i860/i860.c (singlemove_string): Do not generate assembler
10857 pseudo instructions that must be expanded (that is, with signed
10858 constants larger than 16 bits).
10860 2000-08-08 Richard Henderson <rth@cygnus.com>
10862 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
10863 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
10864 (init_propagate_block_info): Don't kill memory stores at -O0.
10865 (mark_set_1, mark_used_regs): Likewise.
10867 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10869 * rs6000.c (optimization_options): Decorate 'level' as
10871 (mask64_operand): Remove sign-extend thinko.
10872 (rldic_operand): New function.
10873 (load_multiple_operation): regno's are unsigned ints.
10874 (store_multiple_operation): Likewise.
10875 (lmw_operation): Likewise.
10876 (stmw_operation): Likewise.
10877 (includes_lshift_p): shift_mask is unsigned int.
10878 (includes_lshift64_p): New function.
10879 (addrs_ok_for_quad_peep): unsigned int reg1.
10880 (print_operand): Consistently add "else" after
10881 output_operand_lossage().
10882 (print_operand, case 'b'): Fold in case 'W'.
10883 (print_operand, case 'W'): Print rldic MB value.
10884 (output_epilogue): Update Objective-C language string.
10885 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
10886 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
10887 * rs6000.md (ashldi3): Add rldic instruction.
10888 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
10889 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
10892 2000-08-08 Richard Henderson <rth@cygnus.com>
10894 * config/ia64/ia64-protos.h: Remove duplicates. Update
10895 for massive code rearrangements.
10896 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
10897 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
10898 (ia64_local_regs, ia64_need_regstk): Remove.
10899 (ar_ccv_reg_operand): New.
10900 (ia64_gp_save_reg): New.
10901 (struct ia64_frame_info): Combine most of the size elements;
10902 add new gr save elements.
10903 (find_gr_spill): New.
10904 (next_scratch_gr_reg): New.
10905 (mark_reg_gr_used_mask): New.
10906 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
10907 to GR backing store regs when possible.
10908 (ia64_initial_elimination_offset): New.
10909 (ia64_rap_fp_offset): Remove.
10910 (save_restore_insns): Remove.
10911 (setup_spill_pointers): New.
10912 (finish_spill_pointers): New.
10913 (spill_restore_mem): New.
10914 (do_spill, do_restore): New.
10915 (ia64_expand_prologue): Rewrite to use them.
10916 (ia64_expand_epilogue): Likewise.
10917 (ia64_direct_return): Update for current_frame_info changes.
10918 (ia64_function_prologue): Simplify .prologue emission. Emit
10919 .spill when needed.
10920 (ia64_setup_incoming_varargs): Don't ever emit rtl.
10921 (ia64_dbx_register_number): New.
10922 (ia64_initialize_trampoline): New.
10923 (ia64_secondary_reload_class): Request GR_REGS for integer
10924 arithmetic destined for FR_REGS.
10925 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
10926 (ia64_mark_machine_status): Mark ia64_gp_save.
10927 (rws_access_regno): Rename from rws_access_reg; don't treat
10928 predicates specially.
10929 (rws_access_reg): New. Update all callers.
10930 (rtx_needs_barrier): Remove dead unspecs.
10931 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
10932 (ia64_encode_section_info): Silence signed/unsigned warnings.
10933 (spill_offset, sp_offset, spill_offset_emitted): Remove.
10934 (tmp_reg, tmp_saved): Remove.
10935 (process_set): Rewrite to expect complicated bits via
10936 REG_FRAME_RELATED_EXPR.
10937 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
10938 in the use of ar.ccv; never set RTX_UNCHANGING_P.
10939 (ia64_expand_op_and_fetch): Likewise.
10940 (ia64_expand_compare_and_swap): Likewise.
10941 (ia64_expand_builtin): Likewise.
10942 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
10943 (FIRST_PSEUDO_REGISTER): Update.
10944 (AR_M_REGNO_P): Update.
10945 (FIXED_REGS): Don't mark three local registers as used.
10946 (EXTRA_CC_MODES): New.
10947 (SELECT_CC_MODE): New.
10948 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
10949 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
10950 (FRAME_GROWS_DOWNWARD): Unset.
10951 (STARTING_FRAME_OFFSET): Zero.
10952 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
10953 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
10954 (HARD_FRAME_POINTER_REGNUM): New.
10955 (CAN_DEBUG_WITHOUT_FP): Define.
10956 (TRAMPOLINE_TEMPLATE): Remove.
10957 (TRAMPOLINE_SIZE): Lower to 32.
10958 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10959 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10960 (PREDICATE_CODES): Update.
10961 (struct machine_function): Add ia64_gp_save.
10962 * config/ia64/ia64.md: Purge unused unspecs.
10963 (movsi patterns): Allow moves to/from AR_M_REGS.
10964 (movdi patterns): Allow moves to/from p0.
10965 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10966 (gr_spill, gr_restore): Indicate ar.unat read/written.
10967 (nonlocal_goto): Don't pass old frame_pointer.
10968 (nonlocal_goto_receiver): Remove.
10969 (exception_receiver): New.
10970 (builtin_setjmp_setup): New.
10971 (builtin_setjmp_receiver): New.
10972 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10973 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10974 (__ia64_restore_stack_nonlocal): Likewise.
10975 (__ia64_trampoline): New.
10976 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10978 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10980 2000-08-08 Richard Henderson <rth@cygnus.com>
10982 * frame.h (ia64_frame_state): Add my_psp.
10983 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10984 (__throw): Pass it in. Don't clobber r7.
10985 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10986 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10987 and nothing to do with sp.
10988 (normalize_reg_loc): Use frame->my_psp.
10989 (frame_translate): Handle frame-pointer-less functions. Set
10990 spill_base correctly, in absence of being told.
10991 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10992 (__ia64_backtrace_helper): New sp argument. Use
10993 builtin_return_address instead of label addresses.
10994 (print_record) [mem_stack_v]: No size member.
10996 2000-08-08 Richard Henderson <rth@cygnus.com>
10998 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
11000 2000-08-08 Richard Henderson <rth@cygnus.com>
11002 * tm.texi (LOCAL_REGNO): Document.
11003 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
11004 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
11005 * reload1.c (reload): Likewise when considering nonlocal labels.
11007 * config/ia64/ia64.h (LOCAL_REGNO): New.
11008 * config/sparc/sparc.h (LOCAL_REGNO): New.
11010 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
11012 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
11014 2000-08-07 Nick Clifton <nickc@redhat.com>
11016 * config/mips/mips.c: Fix compile time warning messages.
11017 * config/mips/mips-protos.h: Add prototype for equality_op.
11019 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
11021 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
11023 * mn10300.md: Use nonimmediate_operand instead of general_operand
11024 on output operands.
11026 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
11028 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
11030 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
11031 * sh.c (expand_block_move): Break long lines.
11032 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
11033 * sh.md (mulsi3): Likewise.
11034 (movdi): Adjust spacing.
11036 2000-08-07 Richard Henderson <rth@cygnus.com>
11038 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
11039 * expr.c (emit_group_store): Don't set it.
11041 2000-08-07 Kazu Hirata <kazu@hxi.com>
11043 * invoke.texi (Options for Debugging Your Program or GCC): Remove
11044 duplicate entries for 'w' and 'z'.
11046 * flow.c: Fix a comment typo.
11048 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11050 * c-parse.in: Changed the language string for Objective-C to "GNU
11053 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11055 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
11056 to improve the Posix thread support for Objective-C.
11058 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
11060 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
11061 CTI_UNSIGNED_PTRDIFF_TYPE.
11062 (signed_size_type_node): Define.
11063 (unsigned_ptrdiff_type_node): Define.
11064 * c-decl.c (init_decl_processing): Create the
11065 signed_size_type_node and unsigned_ptrdiff_type_node types.
11066 * c-common.c (T_SC): Define.
11069 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
11070 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
11072 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
11073 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
11074 flags for %c, %s and %[.
11075 (check_format_info): Only allow leniency for signedness of targets
11076 of character pointers (when pedantic) for formats flagged with
11077 "c", so for strings but not for %hh formats. When pedantic, don't
11078 allow character pointers to substitute for void pointers if a
11079 second level of indirection is present.
11081 2000-08-06 Kazu Hirata <kazu@hxi.com>
11083 * invoke.texi (Options for Debugging Your Program or GCC): Update
11084 the names of dump files.
11086 * h8300.c (dosize): Rearrange code for conciseness.
11087 (split_adds_subs): Likewise.
11089 * loop.c: Fix formatting.
11091 * dwarf2out.c: Fix formatting.
11093 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
11095 * expr.c: Fix formatting.
11097 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11099 * rs6000.c (rs6000_maybe_dead): Prototype.
11101 2000-08-06 Richard Henderson <rth@cygnus.com>
11103 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
11104 HAVE_nonlocal_goto as well.
11105 * config/i960/i960.md (nonlocal_goto): Don't do it here.
11106 * config/pj/pj.md (nonlocal_goto): Likewise.
11108 2000-08-07 Michael Hayes <mhayes@cygnus.com>
11110 * loop.c (try_swap_copy_prop): New function.
11111 (load_mems): Rename copies to load_copies and add new regset
11112 store_copies. Check for sets of shadow registers and mark
11113 in store_copies. Call try_swap_copy_prop for registers
11114 marked in store_copies.
11116 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11118 * objc/objc-act.c: New command line option -fconstant-string-class
11119 to allow specifying a user defined constant string class,
11120 different from NXConstantString.
11122 * toplev.c: Moved the Objective-C specific options to
11123 objc/lang-options.h.
11125 * objc/lang-options.h: Moved the Objective-C specific options from
11126 toplev.c. Added -fconstant-string-class.
11128 2000-08-05 Chris Demetriou <cgd@sibyte.com>
11130 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11131 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
11132 __CTOR_LIST__ from func_ptr array to just func_ptr, to
11133 avoid extra alignment imposed on arrays.
11134 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11135 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
11137 * mips.h: Clean up comments and spacing near MASKs.
11138 (TARGET_UNIX_ASM): Delete.
11139 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
11140 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
11143 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
11145 * c-common.c (print_char_table): Add entries for the X/Open '
11146 format flag (print decimals with locale's thousands grouping
11147 character). Make %C expect wint_t.
11148 (check_format_info): If pedantic, warn when the %n$ operand
11149 number form is used. Allow for the ' flag; warn about it if
11152 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
11154 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
11155 type is a float mode, cfun->decl's return type is not, and
11156 TARGET_FLOAT_RETURNS_IN_80387.
11158 2000-08-04 Andreas Schwab <schwab@suse.de>
11160 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
11161 token list, which are always `#' and `pragma'.
11163 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
11165 * tree.c (tree_expr_nonnegative_p): Move to...
11166 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
11167 (rtl_expr_nonnegative_p): New.
11168 * tree.h: Add prototype for rtl_expr_nonnegative_p.
11170 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
11171 CONST_DOUBLE_CHAIN: Move to...
11172 * rtl.h: ...here. Use XCINT/XCEXP.
11174 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
11175 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
11176 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
11179 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
11181 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11183 * config/c4x/c4x.md (return_indirect_internal): New.
11184 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
11186 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11188 * c-common.c (time_char_table): Mark up formats added in C99 and
11189 make other corrections. %D and %g were added in C99. %Og is an
11190 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
11191 C99. %e was added in C99. %Oj is an extension. %G and %z are in
11192 C99 rather than GNU extensions, but %OG and %Oz are extensions.
11193 %h was added in C99. %C was added in C99. %OY and %OC are
11194 extensions. Add the C99 format %F.
11195 (check_format_info): If pedantic and not in C99 mode, warn for C99
11196 formats, %E and %O.
11198 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11200 * function.c (schedule_fixup_var_refs): New function, broken out
11201 of put_reg_into_stack.
11202 (put_reg_into_stack): Use it.
11203 (put_var_into_stack): In CONCAT case, fixup up references for
11204 components only after fixing up references to the whole concat.
11206 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
11208 * alias.c (mark_constant_function): Use INSN_P.
11209 (init_alias_analysis): Likewise.
11210 * combine.c (combine_instructions): Use INSN_P.
11211 (can_combine_p): Likewise.
11212 (try_combine): Likewise.
11213 (distribute_notes): Likewise.
11214 (distribute_links): Likewise.
11215 * cse.c (cse_around_loop): Use INSN_P.
11216 (invalidate_skipped_block): Likewise.
11217 (cse_set_around_loop): Likewise.
11218 (cse_end_of_basic_block): Likewise.
11219 (delete_trivially_dead_insns): Likewise.
11220 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
11221 (unshare_all_rtl_1): Likewise.
11222 (next_cc0_user): Likewise.
11223 (try_split make_insn_raw): Likewise.
11224 (remove_unnecessary_notes): Likewise.
11225 * final.c (shorten_branches): Use INSN_P.
11226 (leaf_renumber_regs): Likewise.
11227 (leaf_renumber_regs_insn): Likewise.
11228 * flow.c (find_label_refs): Use INSN_P.
11229 (verify_wide_reg): Likewise.
11230 (notice_stack_pointer_modification): Likewise.
11231 (count_or_remove_death_notes): Likewise.
11232 (verify_flow_info): Likewise.
11233 (clear_log_links): Likewise.
11234 * function.c (fixup_var_refs_insns): Use INSN_P.
11235 (compute_insns_for_mem): Likewise.
11236 * gcse.c (alloc_gcse_mem): Use INSN_P.
11237 (compute_sets): Likewise.
11238 (compute_hash_table): Likewise.
11239 (classic_gcse): Likewise.
11241 (insert_insn_end_bb): Likewise.
11242 (delete_null_pointer_checks_1): Likewise.
11243 * global.c (expand_preferences): Use INSN_P.
11244 (build_insn_chain): Likewise.
11245 * graph.c (node_data): Use INSN_P.
11246 * haifa-sched.c (priority): Use INSN_P.
11247 (rm_line_notes): Likewise.
11248 (rm_other_notes): Likewise.
11249 (find_insn_reg_weight): Likewise.
11250 (init_target_units): Likewise.
11251 (schedule_block): Likewise.
11252 (compute_block_forward_dependences): Likewise.
11253 (debug_dependencies): Likewise.
11254 (set_priorities): Likewise.
11255 * integrate.c (function_cannot_inline_p): Use INSN_P.
11256 (save_parm_insns): Likewise.
11257 (copy_insn_list): Likewise.
11258 * jump.c (mark_all_labels): Use INSN_P.
11259 (never_reached_warning): Likewise.
11260 * lcm.c (optimize_mode_switching): Use INSN_P.
11261 * local-alloc.c (validate_equiv_mem): Use INSN_P.
11262 (memref_used_between_p): Likewise.
11263 (update_equiv_regs): Likewise.
11264 (block_alloc): Likewise.
11265 (no_conflict_p): Likewise.
11266 * loop.c (scan_loop): Use INSN_P.
11267 (find_and_verify_loops): Likewise.
11268 (count_loop_regs_set): Likewise.
11269 (loop_reg_used_before_p): Likewise.
11270 (strength_reduce): Likewise.
11271 (recombine_givs): Likewise.
11272 (check_dbra_loop): Likewise.
11273 (load_mems): Likewise.
11274 (try_copy_prop): Likewise.
11275 * print-rtl.c (print_rtx): Use INSN_P.
11276 * recog.c (find_single_use): Use INSN_P.
11277 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
11278 (next_flags_user): Likewise.
11279 (swap_rtx_condition): Likewise.
11280 * regmove.c (mark_flags_life_zones): Use INSN_P.
11281 (optimize_reg_copy_1): Likewise.
11282 (optimize_reg_copy_2): Likewise.
11283 (optimize_reg_copy_3): Likewise.
11284 (reg_is_remote_constant_p): Likewise.
11285 (fixup_match_2): Likewise.
11286 (regmove_optimize): Likewise.
11287 (fixup_match_1): Likewise.
11288 * regrename.c (build_def_use): Use INSN_P.
11289 (replace_reg_in_block): Likewise.
11290 (consider_use): Likewise.
11291 * reload.c (find_equiv_reg): Use INSN_P.
11292 * reload1.c (reload): Use INSN_P.
11293 (maybe_fix_stack_asms): Likewise.
11294 (calculate_needs_all_insns): Likewise.
11295 (reload_as_needed): Likewise.
11296 (emit_output_reload_insns): Likewise.
11297 (delete_address_reloads_1): Likewise.
11298 (reload_cse_regs_1): Likewise.
11299 (reload_combine): Likewise.
11300 (reload_cse_move2add): Likewise.
11301 * reorg.c (redundant_insn): Use INSN_P.
11302 (dbr_schedule): Likewise.
11303 * resource.c (find_dead_or_set_registers): Use INSN_P.
11304 (mark_target_live_regs): Likewise.
11305 * rtlanal.c (reg_used_between_p): Use INSN_P.
11306 (reg_referenced_between_p): Likewise.
11307 (reg_set_between_p): Likewise.
11308 (reg_set_p): Likewise.
11309 (single_set): Likewise.
11310 (multiple_sets): Likewise.
11311 (find_last_value): Likewise.
11312 (reg_set_last): Likewise.
11313 (find_reg_note): Likewise.
11314 (find_regno_note): Likewise.
11315 * sibcall.c (sequence_uses_addressof): Use INSN_P.
11316 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
11317 * ssa.c (find_evaluations): Use INSN_P.
11318 (rename_block): Likewise.
11319 (rename_equivalent_regs): Likewise.
11320 * unroll.c (loop_find_equiv_value): Use INSN_P.
11321 (set_dominates_use): Likewise.
11322 * varasm.c (mark_constant_pool): Use INSN_P.
11323 (mark_constants): Likewise.
11324 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
11325 (alphaev4_next_group): Likewise.
11326 (alphaev5_next_group): Likewise.
11327 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
11328 (c4x_rptb_rpts_p): Likewise.
11329 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
11330 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
11331 (rs6000_adjust_priority): Likewise.
11332 * config/sh/sh.c (sh_loop_align): Use INSN_P.
11333 (machine_dependent_reorg): Likewise.
11334 (split_branches): Likewise.
11335 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
11337 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
11339 * combine.c (recog_for_combine): Remove the old notes
11340 prior to attempting to recognize the new pattern.
11341 (distribute_notes): Ignore REG_NONNEG notes.
11343 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
11345 * varasm.c (output_constructor): Add .align 0 for packed vars.
11347 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11349 * configure.in: Use default thread_file even when enable_threads is
11350 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
11351 * configure: Rebuilt.
11353 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
11355 2000-08-04 Donn Terry (donnte@microsoft.com)
11357 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
11359 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11361 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
11362 Delete code that conditionally modifies 'version'.
11363 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
11364 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
11365 * gcc.c (main): Use it.
11366 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
11367 * prefix.c (update_path): Use it.
11368 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
11369 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
11370 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
11372 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
11373 (SUBTARGET_SWITCHES): Adjust.
11374 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
11376 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
11378 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11380 * c-common.h (flag_isoc94): Declare.
11381 * c-decl.c (flag_isoc94): Define.
11382 (c_decode_option): Set flag_isoc94 as appropriate.
11383 * c-common.c (T_PD, T_IM, T_UIM): Define.
11384 (format_char_info): Add tlen and jlen.
11385 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11387 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11389 (time_char_table): Add NULL entries for %t and %j.
11390 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11391 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11392 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11393 precision. Allow precision argument to be unsigned int. If
11394 pedantic, warn for %p passed an argument not a pointer to possibly
11395 qualified void or a possibly qualified character type, and for
11396 pointer targets of the wrong sign, except for character pointers.
11398 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11400 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11401 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11402 (wint_type_node): Define.
11403 * c-decl.c (WINT_TYPE): Define.
11404 (init_decl_processing): Create the wint_type_node type.
11405 * c-common.c (T_WI): Define.
11406 (print_char_table): Use T_WI for %lc format.
11408 2000-08-04 Bruce Korb <bkorb@gnu.org>
11410 * fixinc/: Verified that the MSDOS patch does not break
11411 the UNIX functionality and applied the next three patches
11414 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11416 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11417 output file with the temporary one by appending ".X" to generate
11418 the temporary fuile's name. If the output file already has an
11419 extension, replace it with ".X".
11421 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11422 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11423 reallocate the command buffer while copying the command-line
11424 argument. Redirect the output directly to the temporary file,
11425 instead of going through another temporary file.
11426 (process): Close the temporary file before unlinking it.
11427 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11428 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11429 (run_compiles): Pass p_fixd argument to machine_matches, as it
11432 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11433 environment, assume there are no symlinks in the include
11434 directory. When cleaning up the DONE files, look for them
11435 case-insensitively. Don't try to remove symlinks if they aren't
11438 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11439 all callers changed. Declare pz "const char *", to avoid compiler
11442 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11443 Change prototype of make_raw_shell_str.
11445 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11447 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11448 (initialize) [__MSDOS__]: Use tempnam.
11449 (initialize): Don't use SIGPIPE if it is not defined.
11451 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11454 2000-07-25 Bruce Korb <bkorb@gnu.org>
11456 * fixinc/fix*.[ch]: substantially reworked to make it possible
11457 to run this program without using fork(2) or pipe(2) (i.e. in
11458 a DOS environment).
11460 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11462 * cppdefault.h (WINT_TYPE): Define.
11463 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11464 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11465 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11467 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11469 * (mips_legitimate_address_p): Don't allow register+offset
11470 if the offset is large and negative, and we are compiling
11471 for 64 bit registers.
11473 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11475 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11476 insn_code_number + 1.
11478 2000-08-04 Kazu Hirata <kazu@hxi.com>
11480 * h8300.c (function_prologue): Rearrange code for conciseness.
11481 (function_epilogue): Likewise.
11482 * h8300.h (OK_FOR_U): Fix formatting.
11484 * cse.c: Fix a comment typo. Fix formatting.
11486 2000-08-03 Richard Henderson <rth@cygnus.com>
11488 * config/i386/i386.md (return_indirect_internal): New.
11489 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11491 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11493 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11495 (lex_line): Glue @ onto the beginning of identifiers and
11496 string constants, in Objective-C mode.
11497 (output_token, spell_token): Handle CPP_OSTRING.
11498 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11499 beginning of a NAME or a STRING, in objc mode.
11501 * cpplib.c (get_define_node): Do not permit identifiers that
11502 begin with @ to be #defined.
11503 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11504 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11506 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11507 * c-tree.h (build_objc_string): Delete prototype.
11508 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11509 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11511 * c-parse.in, objc/objc-act.c: Update commentary.
11513 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11515 * extend.texi: Fix typo in last change.
11517 * extend.texi: Add commentary on statement-expressions and their
11518 interactions with C++.
11520 2000-08-03 Nick Clifton <nickc@cygnus.com>
11522 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11523 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11525 2000-08-03 Anthony Green <green@cygnus.com>
11527 * dwarf2out.c (gen_compile_unit_die): Add java language support.
11528 (add_bound_info): Check for java language.
11529 (is_java): New function.
11530 * dwarfout.c (output_compile_unit_die): Ditto.
11531 * dwarf.h (dwarf_source_language): Add java source language type.
11532 * dwarf2.h (dwarf_source_language): Ditto.
11534 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11536 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
11539 * i386.c (ix86_expand_branch): Mode of comparison in
11540 IF_THEN_ELSE is VOIDmode.
11542 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
11544 * gengenrtl.c, rtl.c: Avoid #elif.
11546 2000-08-03 Michael Poole <poole@troilus.org>
11548 * tm.texi (Register Classes): Clarify order of sub-initializers
11549 in REG_CLASS_CONTENTS.
11551 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11553 From SAITOH Masanobu:
11554 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
11556 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
11558 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
11559 is not supported by tradcpp and isn't actually needed for cygwin.
11561 2000-08-03 Kazu Hirata <kazu@hxi.com>
11563 * h8300.c: Fix a comment typo.
11564 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
11566 * jump.c: Fix formatting.
11568 * toplev.c: Fix formatting.
11570 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
11572 * flow.c (find_auto_inc): Verify that we've got a REG before
11573 peeking at its regno. Fail, don't abort if we can't find
11574 the increment of the desired register.
11576 * pa.md (shadd height reduction patterns/splitters): Remove.
11578 2000-08-02 Jim Wilson <wilson@cygnus.com>
11580 * config/ia64/ia64-protos.h (flag_ssa): Declare.
11581 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
11583 2000-08-02 Mark Mitchell <mark@codesourcery.com>
11585 * dce.c: Remove all uses of assert.
11586 * dwarf2out.c: Likewise.
11587 * dwarfout.c: Likewise.
11590 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11592 * gcc.h (lang_specific_driver): Constify second argument.
11593 * gcc.c (translate_options, process_command, main): Likewise.
11594 Constify variables to match. Cast second argument to
11597 * cppspec.c, gccspec.c: Adjust type of second argument to
11598 lang_specific_driver, and update code as necessary.
11600 2000-08-02 Jakub Jelinek <jakub@redhat.com>
11602 * loop.c (scan_loop): Ensure update_end label does not
11603 go away until reg_scan_update is run.
11605 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11607 * c-common.h: Prototype min_precision and c_build_qualified_type here...
11608 * c-tree.h: ... not here.
11609 * errors.h: Prototype fancy_abort.
11611 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
11612 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
11613 * regrename.c (regrename_optimize): Make control flow explicit.
11614 (replace_reg_in_block): Initialize reg_use to 0.
11616 * i386.c (legitimate_address_p): Rename error label to
11617 report_error to avoid namespace clash.
11619 2000-08-02 Kazu Hirata <kazu@hxi.com>
11621 * fold-const.c: Fix formatting.
11623 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
11625 * i386.c (legitimate_address_p): Accept other bases than
11626 pic_offset_table_rtx for GOTOFF constructs.
11628 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11630 * i386.md (shift to lea splitter): Use const_int_operand.
11632 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11634 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
11635 cppspec.c: Do not use 'legal' or 'illegal' in error messages
11638 * cppmain.c (cb_define, cb_undef): Don't generate any output
11639 if not done_initializing.
11640 * cpplex.c (maybe_paste_with_next): When the token after a ##
11641 is an omitted rest argument, only delete the token before it
11642 if that token is a comma. Do not warn about bogus token
11643 pastes for , ## rest_arg.
11645 * cpp.texi: Update.
11646 * cpp.1: Regenerate.
11648 2000-08-02 Fred Fish <fnf@be.com>
11650 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
11651 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
11654 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
11655 Be directories to search path.
11657 Remove support for __declspec(dllimport) and __declspec(dllexport).
11658 This is leftover cruft from the earlier BeOS gcc port when BeOS
11659 used Microsoft's PE object file format.
11660 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
11661 * config/i386/t-beos (winnt.o): Remove Makefile frag.
11662 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
11663 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
11664 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11665 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
11666 (REDO_SECTION_INFO_P): Remove.
11667 (ASM_EXPORT_DECL): Remove.
11668 (ASM_DECLARE_FUNCTION_NAME): Remove.
11669 (ASM_DECLARE_OBJECT_NAME): Remove.
11670 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
11671 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
11672 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
11673 (STRIP_NAME_ENCODING): Remove.
11675 Remove support for obsolete version of BeOS that is no longer
11677 * configure.in (i*86-*-beospe*): Remove.
11678 * config/i386/beos-pe.h: Remove.
11680 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
11681 Mark Mitchell <mark@codesourcery.com>
11683 * Makefile.in (OBJS): Added dce.o.
11684 (ssa.o): Updated target to include ssa.h.
11685 (flow.o): Likewise.
11686 (toplev.o): Likewise.
11687 (dce.o): Created target.
11688 * basic-block.h: Added comments.
11689 (INVALID_BLOCK): Added definition.
11690 (connect_infinite_loops_to_exit): Added declaration.
11691 Moved SSA declarations to ssa.h.
11692 * flow.c: Added inclusion of ssa.h.
11693 (struct depth_first_search_dsS, depth_first_search_ds):
11695 (compute_immediate_postdominators): Added definition.
11696 (connect_infinite_loops_to_exit): Likewise.
11697 (flow_dfs_compute_reverse_init): Likewise.
11698 (flow_dfs_compute_reverse_add_bb): Likewise.
11699 (flow_dfs_compute_reverse_execute): Likewise.
11700 (flow_dfs_compute_reverse_finish): Likewise.
11701 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
11702 (LABEL_P): Added definition.
11703 (JUMP_P): Likewise.
11704 (NOTE_P): Likewise.
11705 (BARRIER_P): Likewise.
11706 (JUMP_TABLE_DATA_P): Likewise.
11707 (INSN_DEAD_CODE_P): Likewise.
11708 * ssa.c: Replaced inclusions with ssa.h inclusion.
11709 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
11710 (rename_registers): Removed unnecessary variables.
11711 * ssa.h: Created by moving declarations from ssa.c and
11713 * timevar.def: Defined TV_DEAD_CODE_ELIM.
11714 * toplev.c: Added ssa.h inclusion.
11715 (dump_file_index): Added DFI_dce.
11716 (dump_file): Added "dce" entry.
11718 (f_options): Added dce entry.
11719 * invoke.texi: Document -fdce. Emphasize experimental status of
11723 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
11725 * cpperror.c (v_message): Split into _cpp_begin_message and
11726 v_message macro. All callers updated.
11727 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
11730 * cppfiles.c (cpp_syshdr_flags): New function.
11731 (read_include_file): Don't call cpp_output_tokens. Call
11733 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
11734 (cpp_reader_init): Don't initialize token_buffer. Call
11735 _cpp_init_internal_pragmas.
11736 (cpp_cleanup): Don't clear token_buffer.
11737 (cpp_start_read): Don't worry about output from -D processing.
11738 Don't call cpp_output_tokens.
11739 (cpp_finish): Don't dump macros here. Don't call
11741 * cppmacro.c (_cpp_dump_definition): Rename
11742 cpp_dump_definition. Write directly to a FILE *.
11743 (dump_funlike_macro): Delete.
11744 (dump_macro_args): New.
11746 * cpplex.c (TOKEN_LEN): Convert to inline function.
11747 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
11748 cpp_scan_line, _cpp_dump_list): Delete.
11749 (cpp_printf, cpp_output_list): New.
11750 (output_line_command): Don't worry about entering or leaving files.
11751 (cpp_scan_buffer): Just output each token as we hit it.
11752 (process_directive): Don't call cpp_output_tokens.
11753 (_cpp_glue_header_name): Don't use token_buffer.
11754 (output_token, dump_param_spelling): Write directly to a FILE *.
11756 * cpplib.c (pass_thru_directive, dump_macro_name,
11757 pragma_dispatch, do_pragma_gcc): Delete.
11758 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
11759 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
11761 (do_error, do_warning, pragma_dependency): Call
11762 _cpp_begin_message, then cpp_output_list.
11763 (cpp_register_pragma, cpp_register_pragma_space,
11764 _cpp_init_internal_pragmas): New.
11765 (do_pragma): Walk the pragmas table here.
11766 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
11767 do_pragma_dependency): Return void.
11768 (do_pragma_implementation): Moved to cppmain.c.
11770 * cpplib.h: Update prototypes.
11771 (struct cpp_reader): Remove printer, token_buffer,
11772 token_buffer_size, and limit. Add struct cb, and pragmas.
11773 (struct cpp_printer): Remove last_id and written.
11774 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
11775 CPP_ADJUST_WRITTEN): Delete.
11776 * cpphash.h: Update prototypes.
11777 (ufputs): New wrapper.
11779 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
11780 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
11781 (main): Set up callbacks. Register #pragma implementation.
11782 Dump macros from here.
11784 2000-08-01 Geoff Keating <geoffk@cygnus.com>
11786 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
11787 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
11788 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
11789 insns if they have a REG_MAYBE_DEAD note attached.
11790 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
11791 (rs6000_emit_load_toc_table): TOC loads may go dead.
11793 2000-08-01 Jim Wilson <wilson@cygnus.com>
11795 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
11796 type exists before using it. Use number of words as alignment
11798 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
11799 ia64_va_arg): Propagate ia64_function_args changes here.
11801 2000-08-01 Richard Henderson <rth@cygnus.com>
11803 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
11804 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11806 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
11808 From Joern Rennecke:
11809 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
11810 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
11811 unless TARGET_SH3E is set.
11812 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
11814 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
11815 (ashlsi3_std): New pattern.
11816 (ashlsi3 expander): Use it for TARGET_SH3.
11817 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
11819 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11821 * loop.c (canonicalize_condition): Use destination, not source to
11822 determine SET's mode.
11824 2000-07-31 Mark Mitchell <mark@codesourcery.com>
11826 * flow.c (clear_log_links): Fix typo.
11828 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
11830 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
11831 on targets which need more than one insn for a compare/cbranch
11834 2000-07-31 Jim Wilson <wilson@cygnus.com>
11836 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
11837 when computing offset.
11839 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
11841 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
11843 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11845 * flow.c (clear_log_links): Nuke global_live_at_start and
11846 global_live_at_end data, since if the log_links stuff is invalid
11847 so is global_live_at_*.
11849 2000-07-31 Richard Henderson <rth@cygnus.com>
11851 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
11853 2000-07-31 Jakub Jelinek <jakub@redhat.com>
11855 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
11856 (_cpp_get_token): Don't macro expand a just pasted token if it
11857 was pasted at no_expand_level.
11859 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11861 * cppmacro.c (find_param, count_params, save_expansion):
11862 Permit 'defined' as a macro parameter name.
11864 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11866 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
11867 xcpp to cpp throughout.
11868 (native): Remove unnecessary dependency on cpp.
11870 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
11871 tradcpp to tradcpp0.
11872 (.i spec): Add missing output-file spec to cc1 command line.
11873 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
11875 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11877 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
11878 (implicit_decl_warning): New function.
11879 (implicitly_declare): Use it.
11880 * c-typeck.c (build_external_ref): Use implicit_decl_warning
11881 to complain about implicit decls of builtins.
11883 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
11884 based on pedantic && flag_isoc99, if not already set.
11885 * c-tree.h: Declare mesg_implicit_function_declaration.
11886 Prototype implicit_decl_warning.
11888 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
11890 * Makefile.in (ssa.o): Updated header files in dependences.
11891 * basic-block.h: Added compute_immediate_postdominators declaration.
11892 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
11894 * flow.c (compute_immediate_dominators): Updated comment.
11895 (compute_immediate_postdominators): Added definition.
11896 * rtl.h (HARD_REGISTER_P): Added definition.
11897 * ssa.c: Include additional header files.
11898 (assert): Added definition.
11899 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
11900 include select hard registers.
11901 (ssa_rename_to_insert): Likewise.
11902 (ssa_rename_from_initialize): Likewise.
11903 (ssa_rename_from_lookup): Likewise.
11904 (original_register): Likewise.
11905 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
11906 include select hard reigsters.
11907 (ssa_rename_from_traverse): Likewise.
11908 (ssa_rename_from_free): Likewise.
11909 (ssa_rename_from_print): Likewise.
11910 (ssa_rename_from_print_1): Likewise.
11911 (ssa_rename_from_hash_function): Likewise.
11912 (ssa_rename_from_equal): Likewise.
11913 (ssa_rename_from_delete): Likewise.
11914 (simplify_to_immediate_dominators): Removed in favor of
11915 flow.c:compute_immediate_dominators.
11916 (find_evaluations_1): Modified to work with hard registers.
11917 (insert_phi_node): Likewise.
11918 (insert_phi_nodes): Likewise.
11919 (struct rename_set_data): Updated prev_reg comment.
11920 (create_delayed_rename): Modified to work with hard registers.
11921 (RENAME_NO_RTX): Updated comment.
11922 (apply_delayed_renames): Modified to work with hard registers.
11923 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
11924 (rename_block): Updated to use revised ssa_rename_to interface.
11925 (rename_registers): Updated to use revised ssa_rename_to and
11926 ssa_rename_from interface.
11927 (convert_to_ssa): Revised to use compute_immediate_dominators and
11928 deal with hard registers.
11929 (make_regs_equivalent_over_bad_edges): Modified to work with hard
11930 registers. Added check for illegal unification of hard register.
11931 (make_equivalent_phi_alternatives_equivalent): Modified to work
11932 with hard registers.
11933 (compute_conservative_reg_partition): Likewise.
11934 (coalesce_if_unconflicting): Modified to work with hard registers
11935 and check for conflicting hard registers.
11936 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
11938 (rename_equivalent_regs_in_insn): Modified to work with hard
11940 (record_canonical_element_1): Added definition.
11941 (check_hard_regs_in_partition): Added definition.
11942 (convert_from_ssa): Added data structure deallocation and check
11943 for illegal hard register unification.
11944 (conflict_hard_regs_p): Added definition.
11945 * toplev.c (rest_of_compilation): Added comment.
11947 2000-07-31 Anthony Green <green@redhat.com>
11949 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
11951 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
11953 * builtins.c (expand_builtin_apply): Don't defer pop during
11956 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11958 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11959 preferred_unit_stack_boundary when it is > 1.
11961 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11963 * c-common.c (init_function_format_info): Add C99 format functions
11966 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11967 void' or 'register void' as being the special case of 'void' alone
11968 in a parameter list.
11970 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11971 discarding qualifiers into a plain warning.
11973 2000-07-31 Kazu Hirata <kazu@hxi.com>
11975 * combine.c: Fix formatting.
11977 * h8300.md: Fix formatting.
11979 * local-alloc.c: Fix formatting.
11981 * h8300.c (get_shift_alg): Remove the variable alg.
11982 (emit_a_shift): Rearrange code to improve readability.
11984 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11986 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11987 HImode on all architectures and a combination of HImode and SImode
11988 on H8/300H and H8/S.
11990 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11992 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11994 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11995 in my last checkin.
11997 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11999 * recog.c (extract_insn): Set operand_mode according to
12000 operand if match_operand is VOIDmode.
12002 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
12004 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
12006 2000-07-31 Geoff Keating <geoffk@cygnus.com>
12008 * c-parse.in (extdefs): Call ggc_collect between external
12011 2000-07-30 Michael Hayes <mhayes@cygnus.com>
12012 Richard Henderson <rth@cygnus.com>
12014 * Makefile.in (OBJS): Add doloop.o.
12015 * doloop.c: New file.
12017 * final.c (insn_current_reference_address): Return 0 before final.
12018 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
12019 * jump.c (any_uncondjump_p): Likewise.
12020 * loop.c (indirect_jump_in_function): Make static.
12021 (strength_reduce): Call doloop_optimize.
12022 (insert_bct, instrument_loop_bct): Remove.
12023 * loop.h (doloop_optimize): Prototype.
12024 * recog.c (split_all_insns): Split all INSN_P.
12025 * toplev.c (flag_branch_on_count_reg): Default on.
12027 * config/c4x/c4x.c (c4x_optimization_options): Don't set
12028 flag_branch_on_count_reg.
12029 * config/i386/i386.c (override_options): Likewise.
12030 * config/rs6000/rs6000.c (optimization_options): Likewise.
12032 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
12034 (dbra_ge): Remove, as well as all it's splitters.
12036 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
12039 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
12040 (ia64_register_move_cost): Declare.
12041 * config/ia64/ia64.c (ar_lc_reg_operand): New.
12042 (struct ia64_frame_info): Add ar_size.
12043 (ia64_compute_frame_size): Set it.
12044 (save_restore_insns): Save and restore ar.lc.
12045 (ia64_register_move_cost): New, moved from header file. Handle
12046 application registers.
12047 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
12048 (emit_insn_group_barriers): Special case doloop_end_internal.
12049 (ia64_epilogue_uses): Mark ar.lc live at end.
12050 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
12051 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
12052 (FIRST_PSEUDO_REGISTER): Make room.
12053 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
12054 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
12055 (REG_ALLOC_ORDER): Update.
12056 (HARD_REGNO_MODE_OK): Update.
12057 (REGISTER_NAMES): Update.
12058 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
12059 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
12060 (REGNO_REG_CLASS): Update.
12061 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
12062 (REGISTER_MOVE_COST): Move out of line.
12063 (PREDICATE_CODES): Update.
12064 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
12065 (addsi3_plus1_alt, adddi3_plus1_alt): New.
12066 (shladd_elim splitter): Allow constants in the predicate.
12067 (doloop_end, doloop_end_internal): New.
12069 2000-07-30 Richard Henderson <rth@cygnus.com>
12071 * genattrtab.c (struct insn_def): Add lineno member.
12072 (struct insn_ent): Likewise.
12073 (struct attr_desc): Likewise.
12074 (struct delay_desc): Likewise.
12075 (struct function_unit_op): Likewise.
12076 (struct function_unit): Likewise.
12077 (check_attr_value): Use message_with_line.
12078 (check_defs): Likewise.
12079 (expand_units): Likewise.
12080 (check_attr_test): Take a lineno argument.
12081 (gen_attr): Likewise.
12082 (gen_insn): Likewise.
12083 (gen_delay): Likewise.
12084 (gen_unit): Likewise.
12085 (main): Give it to them.
12086 (convert_set_attr_alternative): Take an insn_def argument
12087 instead of num_alt and insn_index.
12088 (convert_set_attr): Likewise.
12089 (write_test_expr): Protect INSN_ADDRESSES load
12090 with INSN_ADDRESSES_SET_P.
12092 2000-07-30 Richard Henderson <rth@cygnus.com>
12094 * flow.c (init_propagate_block_info): Use pc_set.
12096 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12098 * i386.md (*lea_general_[123]) New insns and splits.
12099 (addsi3 to lea splitter): Handle other modes too.
12100 (shlsi3 to lea splitter): Likewise.
12101 (addhi_1_lea, shlhi_1_lea): New patterns.
12102 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
12104 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12106 * recog.c (general_operand, nonimmediate_operand): Accept
12107 any mode for VOIDmode CONSTANT_P operands.
12109 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12111 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
12112 instead of replace_rtx.
12113 * recog.c (validate_replace_rtx_subexp): New function.
12114 * recog.h (validate_replace_rtx_subexp): Declare.
12116 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12118 * combine.c (simplify_set, make_extraction, make_compound_operation
12119 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
12120 as force_to_mode argument.
12122 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
12124 * combine.c (if_then_else_cond): Be sure that mode fits in
12127 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
12129 * combine.c (record_promoted_value): Allow bitsize of mode
12130 to be equivalent to HOST_BITS_PER_WISE_INT.
12132 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12134 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
12135 Do not call gen_mode_alignment when mode is BLKmode.
12137 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
12139 * loop.c (express_from_1): Fix call of simplify_gen_binary.
12141 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
12143 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
12144 VOIDmode implies both operands to be VOIDmode.
12145 (simplify_ternary_operation): Compute properly the mode of comparison.
12146 * combine.c (combine_simplify_rtx): Likewise.
12148 2000-07-25 Michael Hayes <mph@paradise.net.nz>
12150 * basic-block.h (struct loops): New field rc_order.
12151 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
12152 (flow_loops_free): Free rc_order.
12153 (flow_depth_first_order_compute): New parameter rc_order.
12154 (flow_loops_find): Allocate rc_order and swap usage with
12157 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12158 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12160 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
12161 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
12162 (nodb_call, return_from_epilogue): Likewise.
12163 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
12164 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
12165 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
12166 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
12167 (c4x_valid_type_attribute_p): Likewise.
12168 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
12169 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
12171 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12173 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
12174 and loadhi_big_constant if applicable.
12175 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
12176 and add new splitter.s
12178 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12180 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
12182 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12184 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
12186 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12188 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
12190 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12192 * config/c4x/libgcc.S (divqf3): Improve accuracy.
12194 2000-07-27 Mark Mitchell <mark@codesourcery.com>
12196 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
12197 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
12198 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
12199 (get_prev_bb_note): Likewise.
12200 (remove_scope_notes): Likewise.
12201 * flow.c (commit_one_edge_insertion): Likewise.
12202 (merge_blocks_nomove): Likewise.
12203 (verify_flow_info): Likewise.
12204 * gcse.c (insert_insn_end_bb): Likewise.
12205 * reg-stack.c (emit_swap_insn): Likewise.
12206 * ssa.c (first_insn_after_basic_block_note): New function.
12207 (insert_phi_node): Use it.
12208 (rename_block): Likewise.
12209 (eliminate_phi): Likewise.
12210 (make_regs_equivalent_over_bad_edges): Likewise.
12211 (make_equivalent_phi_alternatives_equivalent): Likewise.
12212 (for_each_successor_phi): Likewise.
12213 (convert_from_ssa): Modify phi-node deletion algorithm.
12215 2000-07-29 Andreas Jaeger <aj@suse.de>
12217 * configure.in (mips*-*-linux*): Use mips*el to check for little
12218 endian MIPS, add tmake_file.
12220 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
12221 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
12222 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
12224 2000-07-28 Richard Henderson <rth@cygnus.com>
12226 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
12227 Sign extend mode size before negating.
12229 2000-07-28 Richard Henderson <rth@cygnus.com>
12231 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
12233 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
12235 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
12236 (cse_insn): Likewise.
12237 (addr_affects_sp_p): Likewise.
12238 * expr.c (move_by_pieces): Likewise.
12239 (clear_by_pieces): Likewise.
12240 * gcse.c (oprs_unchanged_p): Likewise.
12241 * haifa-sched.c (sched_analyze_2): Likewise.
12242 * recog.c (offsettable_address_p): Likewise.
12243 * regclass.c (record_address_regs): Likewise.
12244 * reload.c (find_reusable_reload): Likewise.
12245 (push_reload): Likewise.
12246 (operands_match_p): Likewise.
12247 (decompose): Likewise.
12248 (find_reloads_address_1): Likewise.
12249 (find_inc_amount): Likewise.
12250 * reload1.c (elimination_effects): Likewise.
12251 * resource.c (mark_set_resources): Likewise.
12252 * flow.c (attempt_auto_inc): New function; mostly broken out
12254 (find_auto_inc): Split into two functions and enhanced to
12255 generate POST_MODIFY.
12256 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
12257 * rtl.h (count_all_occurrences): Declare.
12258 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
12260 * rtlanal.c (count_all_occurrences): New function.
12261 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
12262 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
12264 * config/ia64/ia64-protos.h (destination_operand): Declare.
12265 * config/ia64/ia64.c (destination_operand): New function.
12266 (ia64_print_operand): Handle POST_MODIFY.
12267 (rtx_needs_barrier): Likewise.
12268 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
12269 (HAVE_POST_MODIFY_REG): Define to 1.
12270 (MAX_REGS_PER_ADDRESS): Change to 2.
12271 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
12272 (LEGITIMATE_ADDRESS_REG): New helper macro.
12273 (LEGITIMATE_ADDRESS_DISP): Likewise.
12274 (PREDICATE_CODES): Add entry for destination_operand.
12275 * config/ia64/ia64.md (all mov patterns): Use destination_operand
12276 predicate for operand 0.
12278 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12280 * dwarf2out.c: Indent #error directive.
12282 * gbl-ctors.h: Fix typo in comment.
12283 (__do_global_ctors): Prototype.
12285 * gcse.c (record_one_set, pre_delete): Remove unused variables.
12287 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
12288 (print_operand): Initialize variable `t'.
12290 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
12292 * config/arm/arm.md ("call_value"): removed constraints.
12293 Constraints are ignored in expanders.
12294 (*call_value_reg): split =rf into various constraints.
12295 (*call_value_mem): same
12296 (*call_value_symbol): same
12297 (*sibcall_value_insn): same
12299 2000-07-28 Philipp Thomas <pthomas@suse.de>
12301 * install.texi (--enable-nls): Change the description of the NLS
12302 related configure options to match the current state.
12303 (--with-included-gettext): Likewise.
12304 (--enable-maintainer-mode): New description added.
12305 * extend.texi (-fstrict-prototype): Add missing '.'.
12307 2000-07-27 Jim Wilson <wilson@cygnus.com>
12309 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
12310 DECL_INITIAL (decl) == NULL_TREE.
12312 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
12314 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
12315 on insn-attr.h with it.
12316 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
12317 * insn-addr.h: New header.
12318 (insn_addresses_): Renamed from insn_addresses.
12319 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
12320 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
12321 INSN_ADDRESSES_NEW): New macros.
12322 * genattrtab.c (write_test_expr): Use new macros.
12323 * final.c (insn_addresses, init_insn_lengths): Likewise.
12324 (align_fuzz, shorten_branches): Likewise.
12325 (final): Likewise. Do not reject new insns if their addresses
12326 have been added to INSN_ADDRESSES.
12327 * config/arm/arm.c, config/avr/avr.c: Use new macros.
12328 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
12329 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
12330 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
12331 * config/sh/sh.c: Likewise.
12332 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
12334 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
12336 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
12338 * gcc.c (struct prefix_list): Add member priority.
12339 (enum path_prefix_priority): Declare.
12340 (add_prefix): Replace ``first'' with ``priority''. Append new
12341 entry but keep list in priority order.
12342 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
12343 PREFIX_PRIORITY_LAST to add_prefix.
12344 (process_command): Move include kludge - foo/stageN - to before
12347 2000-07-27 Jason Merrill <jason@redhat.com>
12349 * dwarf2out.c (gen_typedef_die): Abort if we get identical
12350 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
12352 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
12354 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
12355 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
12357 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
12359 * c-decl.c (finish_function): Don't treat 'main' specially unless
12360 flag_hosted. In C99 mode, return 0 from 'main' unless
12361 DEFAULT_MAIN_RETURN is otherwise defined.
12363 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
12364 parameters defaulting to int in an old-style function definition.
12366 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12368 * c-parse.in (string): For -Wtraditional, warn about string
12369 concatenation only once per line.
12371 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
12373 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
12374 for HI-UX/WE2 systems.
12376 2000-07-24 Bruce Korb <bkorb@gnu.org>
12378 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
12379 defining the __xxx_TYPE__ macros.
12380 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
12381 * fixincl/fixlib.h: don't need to include "tm.h" anymore
12382 * fixincl/inclhack.def(type_map): now obsolete
12384 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
12386 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12388 2000-07-26 Dave Pitts <dpitts@cozx.com>
12390 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12392 (mvs_hash_alias): New function.
12393 (mvs_add_alias): Change argument spacing.
12394 (mvs_need_alias): Change aliasing criteria. Added documentation.
12395 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12396 CSECT name collisions.
12397 (mvs_check_alias): Likewise.
12398 (handle_pragma): Change documentation.
12399 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12400 mode from SImode to DImode.
12401 (iorhi3): Changed LTORG size for insn.
12403 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12405 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12406 mem if the address is a mode_dependent_address_p.
12408 2000-07-26 Kazu Hirata <kazu@hxi.com>
12410 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12411 suitable for 8-bit absolute.
12412 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12413 (OK_FOR_U): Add a case for the 8-bit constant address on the
12416 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12418 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12419 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12420 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12421 lack of implemented alignment.
12423 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12425 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12426 cross-compiling between 64-bit and 32-bit machines.
12428 2000-07-27 Richard Henderson <rth@cygnus.com>
12430 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12431 (movhicc_astep, movhi_internal_astep): New.
12432 (movsicc_astep, movsi_internal_astep): New.
12433 (movdicc_astep, movdi_internal_astep): New.
12434 (movsfcc_astep, movsf_internal_astep): New.
12435 (movdfcc_astep, movdf_internal_astep): New.
12436 (movxfcc_astep, movxf_internal_astep): New.
12437 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12438 Unify the cmov[ds]i splitters.
12440 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12442 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12444 2000-07-26 Nick Clifton <nickc@cygnus.com>
12446 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12447 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12449 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12450 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12452 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12454 * c-decl.c (finish_enum): Convert enumerations that fit in an
12456 (build_enumerator): In pedantic mode, cast to `int' those that
12459 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12461 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12463 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12465 * sh.md (cmpgtdi_t): Must be split.
12466 (cmpgtdi_t+1): New splitter.
12468 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12470 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12471 warnings for indented directives even if we are skipping.
12473 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12475 * invoke.texi (strict-prototypes): Remove.
12476 * extend.texi (Deprecated Features): Add strict-prototypes.
12477 (Backwards Compatibility): New node.
12479 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12481 * config/i386/i386.md (andsi_1+1): Allow HImode.
12482 (andsi_1+2): Require q_regs_operand.
12484 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12486 * config/i386/i386.md (call_pop): Check operands[0],
12487 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12489 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12490 (call_value): Likewise.
12492 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12494 * toplev.c (pipe_closed): Delete.
12495 (crash_signal): New. Generate ICE for a fatal signal.
12496 (float_signal): Call crash_signal outside a float-handler
12498 (main): Install crash_signal as handler for core-dumping signals.
12500 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12502 * rs6000.c (print_operand, case 'T'): New case.
12504 * rs6000.md (call_indirect_aix32): Convert to expander of
12505 scheduled instructions.
12506 (call_indirect_aix64): Likewise.
12507 (call_value_indirect_aix{32,64}): Likewise.
12508 (call, call_value): Invoke expanders for AIX. Fall through to
12510 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12511 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12512 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12513 only "g" constraint.
12514 (call_nonlocal_aix64): Likewise.
12515 (call_value_nonlocal_aix{32,64}): Likewise.
12516 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12518 (call_value_nonlocal_sysv): New pattern.
12519 (indirect_jump{si,di}): Use new 'T' modifier.
12520 (tablejump{si,di} matchers): Likewise.
12521 (return_internal_{si,di}): Likewise.
12522 (return_eh_{si,di}): Likewise.
12524 2000-07-24 Richard Henderson <rth@cygnus.com>
12526 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
12527 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
12528 * config/ia64/ia64.md (movdi_internal): Use it.
12530 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
12532 * cppexp.c: Warn about unary + if -Wtraditional.
12533 * cpplex.c (lex_line): Always set BOL on the first token of a line.
12535 2000-07-24 Michael Meissner <meissner@redhat.com>
12537 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
12540 2000-07-24 Nick Clifton <nickc@cygnus.com>
12542 * config/arm/arm.c (emit_multi_reg_push): Generate a
12543 REG_FRAME_RELEATED_NOTE that is compatable with the code in
12544 dwarf2out_debug_frame_expr.
12546 2000-07-24 Jason Merrill <jason@redhat.com>
12548 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
12549 UNALIGNED_INT_ASM_OP.
12550 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
12551 a location expression.
12552 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
12553 assume indirect access if we're saving the CFA address exactly.
12555 * Makefile.in (bootstrap): Move -BstageN/ to the end.
12557 2000-07-24 Jakub Jelinek <jakub@redhat.com>
12559 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
12562 2000-07-24 Michael Meissner <meissner@redhat.com>
12564 * invoke.texi (D30V Options): Add d30v options.
12566 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
12568 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
12569 needed by our gcse pass anymore.
12570 (free_pre_mem): Corresponding changes.
12571 (compute_pre_data): Do not call compute_transpout anymore.
12573 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
12574 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
12577 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
12578 (compute_pre_data): Do it here instead.
12580 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
12582 (pre_delete): Corresponding changes.
12584 2000-07-23 Mark Mitchell <mark@codesourcery.com>
12586 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
12587 to figure out whether or not a variable has already been emitted.
12589 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
12591 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
12592 instead of gen_call.
12594 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
12596 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
12598 2000-07-23 Kazu Hirata <kazu@hxi.com>
12600 * h8300.c: Fix formatting.
12602 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
12604 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
12605 for `long' switch expression into a plain warning.
12607 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
12608 (yylex): Don't pedwarn for "inline" in C99 mode.
12610 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
12612 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
12613 ggc_alloc): Likewise.
12614 * bb-reorder.c (dump_scope_forest_1): Likewise.
12616 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
12618 * reload.c (find_reloads_toplev): Add new parameter
12619 "address_reloaded".
12620 (find_reloads): Add new parameter to find_reloads_toplev calls.
12622 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
12624 * collect2.c (main): Typo fixed.
12625 * diagnostic.c: Typo fixed.
12626 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
12627 * eh-common.h: Typo fixed.
12628 * emit-rtl.c (start_sequence): Typo fixed.
12629 * flow.c (find_label_refs): Typo fixed.
12630 (calculate_global_regs_live): Typo fixed.
12631 (mark_regno_cond_dead): Typo fixed.
12632 (create_edge_list): Typos fixed.
12633 (verify_edge_list): Typo fixed.
12634 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
12635 * loop.c (strength_reduce): Typo in function name fixed.
12636 * rtl.h: Added comments. Typo in function name fixed.
12637 * rtlanal.c: Typo in function name fixed.
12638 (insn_dependant_p): Rename to ...
12639 (insn_dependent_p): ... this.
12640 (computed_jumo_p): Typo fixed.
12642 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12644 * system.h (__FUNCTION__): Wrap definition in #ifndef.
12646 2000-07-21 David Edelsohn <edelsohn@gnu.org>
12648 * rs6000.h (SIZE_TYPE): Define.
12650 2000-07-21 Mark Mitchell <mark@codesourcery.com>
12652 * ssa.c (rename_insn_1): Don't rename registers that are
12655 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
12657 * diagnostic.c (trim_filename, fancy_abort): Moved here from
12659 (fatal_function, set_fatal_function): Removed.
12660 (fatal): Don't prepare for or call the fatal_function.
12661 (diagnostic_lock, error_recursion): New.
12662 (diagnostic_for_decl, report_diagnostic): Guard against
12663 re-entering the error reporting routines.
12664 (fancy_abort): Assume function is not NULL.
12666 * errors.c (fancy_abort): New. Assume function is not NULL.
12667 * tradcpp.c (fancy_abort): Assume function is not NULL.
12669 * system.h: Provide default definition of __FUNCTION__.
12670 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
12671 Always use __FUNCTION__ in definition of abort.
12672 * tree.h: Likewise.
12673 * varray.h: Likewise.
12674 * toplev.h: Likewise. Don't prototype set_fatal_function.
12676 2000-07-20 Geoff Keating <geoffk@cygnus.com>
12678 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
12680 * glimits.h: Don't do #if defined for ARCH_PPC.
12682 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
12683 constants of size no larger than a pointer should go in the TOC.
12684 Add 'MODE' parameter.
12685 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
12686 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12687 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
12688 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
12689 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
12690 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
12691 (rs6000_legitimize_address): Likewise.
12692 (rs6000_emit_move): Likewise.
12693 (rs6000_select_rtx_section): Likewise.
12694 (output_toc): Deal properly with outputting small constants like
12695 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
12696 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
12697 MODE parameter. Put small constants in the TOC.
12699 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
12701 (rs6000_emit_move): When reload calls us with an illegitimate
12702 address, exit early. Move the change_address calls to one place
12703 at the end of the routine. Merge the SImode and DImode expanders.
12704 When called by reload to put an integer into a FP register, force
12707 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
12709 (rs6000_hash_constant): Hash mode too.
12710 (toc_hash_function): Allow for key_mode.
12711 (toc_hash_eq): Structures are different if key_mode differs.
12712 (output_toc): Add 'mode' parameter. Save key_mode.
12713 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
12714 Pass 'mode' parameter.
12715 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
12717 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
12718 for vtable references.
12720 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
12721 choice, don't put integer values in FP regs.
12723 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
12725 * flow.c (verify_flow_info): Revamp code to verify that the
12726 head and end of each basic block are in the insn chain.
12728 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
12730 * gcse.c (record_one_set): Prepend instead of append onto
12731 reg_set_table, making it O(n) instead O(n^2).
12732 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
12733 Use a queue instead of a stack as worklist.
12735 2000-07-20 Kazu Hirata <kazu@hxi.com>
12737 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
12738 * h8300.h (OK_FOR_T): New.
12739 (EXTRA_CONSTRAINT): Support OK_FOR_T.
12740 * h8300.md: Use inc/dec.[wl] for increment/decrement
12741 by 1 and 2 in HI and SI modes.
12743 2000-07-20 Jim Wilson <wilson@cygnus.com>
12745 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
12746 larger than 14 bits.
12748 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
12750 * cppmacro.c (CAN_PASTE_AFTER): New macro.
12751 (count_params): Don't set GNU_REST_ARGS on anything.
12752 (save_expansion): Set PASTE_LEFT only on tokens for which
12753 CAN_PASTE_AFTER is true, or which are named operators.
12755 * cpplex.c (parse_args): Distinguish between a rest argument
12756 given one empty argument, and a rest argument given zero arguments.
12757 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
12758 deletion of previous token based on that.
12759 (get_raw_token): Flatten some control structure.
12761 * cpplib.h (CPP_LAST_EQ): Correct.
12762 (VOID_REST): New token flag.
12763 (GNU_REST_ARGS): Delete.
12765 * tradcpp.c (main): Don't munge -D options.
12766 (make_definition): Bring -D handling in line with cpplib.
12767 (do_define): Strip all leading whitespace from macro definitions.
12769 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
12771 * Makefile.in (tradcpp): Depend on intl.o and version.o.
12773 2000-07-20 Bruce Korb <bkorb@gnu.org>
12775 * fixincl/check.tpl: strip the platform specific types before testing
12776 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
12777 * fixincl/fixincl.tpl: use platform specific types
12778 * fixincl/fixlib.h: include the platform specific types
12779 * fixincl/inclhack.def(gnu_types): don't supply the types
12780 * fixincl/fixincl.x: regen
12782 2000-07-19 Jim Wilson <wilson@cygnus.com>
12784 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
12787 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12789 * tradcpp.c (rescan): Do not recognize directives when the #
12792 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12794 Implement C++ named operators.
12796 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
12797 of operators allowed in #if and having an _EQ variant. Add
12798 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
12799 (cpp_token flags): Add NAMED_OP.
12800 (enum node_type): Add T_OPERATOR.
12801 (struct cpp_hashnode): Add code slot to value union.
12802 * cpphash.h (spec_nodes): Remove n_defined.
12804 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
12805 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
12806 (is_macro_disabled): Tweak error messages.
12808 * cpplib.c (get_define_node): Disallow all named operators as
12809 macro names. Tweak error messages.
12810 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
12812 * cppinit.c (builtin_array): Add entries for the named operators.
12813 * cppexp.c (lex): Check for CPP_DEFINED token.
12814 (priority table): Add entries for CPP_MIN and CPP_MAX.
12815 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
12817 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
12819 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
12820 larger than the array of cuids.
12821 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
12824 2000-07-19 Bruce Korb <bkorb@gnu.org>
12826 * fixinc/fixincl.c: Convert to using a table of environment variables
12827 and activate the auto-edit marker on the fixed output files.
12828 * fixinc/fixlib.h: Define the environment table
12829 * fixinc/fixincl.sh: export the ${INPUT} dir
12830 * fixinc/check.tpl: likewise
12832 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12834 * gcc.c (.h spec): Fix typo.
12836 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
12838 * Makefile.in: Fix tradcif.c path.
12840 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12842 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
12845 * cpphash.h (TOKEN_NAME): New macro.
12846 (_cpp_spell_operator): Deleted.
12847 (token_spellings): Now _cpp_token_spellings.
12849 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
12850 * cpplex.c: Use OP and TK macros when expanding the
12851 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
12852 store the stringification of the enumeration name (CPP_CHAR,
12853 etc.) in the name slot of token_spellings.
12854 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
12855 token_spellings directly.
12856 * cpplib.c: Use TOKEN_SPELL.
12858 * cpplex.c (_cpp_push_token): If the token being pushed back
12859 is the previous token in this context, just subtract one from
12861 * cppmacro.c (save_expansion): Clear aux field when storing a
12864 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12866 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
12867 buffer, provided it is not NULL.
12869 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
12871 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
12872 case of invalid volatile re-declaration.
12874 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12876 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
12877 (expand_call): Adjust caller.
12879 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
12881 * diagnostic.h (report_diagnostic): Change prototype.
12883 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
12884 diagnostic_for_decl): Change prototype.
12885 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
12886 error, warning, error_with_file_and_line,
12887 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
12888 Adjust call to report_diagnostic, diagnostic_for_decl.
12889 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
12890 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
12892 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
12893 varaible argument list.
12895 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12897 * cpphash.c: Don't include hashtab.h. Most macro-handling code
12898 moved to cppmacro.c.
12899 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
12900 dump_hash_helper): Delete.
12901 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
12902 cpp_forall_identifiers): New. Implement specialized version of
12903 Vlad's expandable hash table.
12904 (cpp_lookup): Use new functions.
12905 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
12907 * cppmacro.c: New file.
12908 * cppinit.c (dump_macros_helper): New.
12909 (cpp_finish): Iterate over the identifier table directly.
12910 * cpplex.c (parse_name): Calculate the hash of the identifier
12911 while we scan it. Use _cpp_lookup_with_hash when we can.
12913 * cpphash.h: Update prototypes.
12914 (xcnewvec, HASHSTEP): New helper macros.
12915 * cpplib.h: Update prototypes.
12916 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
12917 (cppmacro.o): New rule.
12918 (cpphash.o): Update deps.
12920 * cppmain.c: Do not set pfile->printer if no_output is on.
12922 2000-07-15 Neil Booth <neilb@earthling.net>
12924 * cpplib.c: Change all directive-handler functions to return
12926 * cpphash.h: Update typedefs.
12928 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12930 * configure: Regenerate.
12932 * extend.texi (Extended Asm): Mention that a memory clobber
12933 does not count as a side-effect.
12935 * unroll.c (copy_loop_body): Fix one instance of using host
12936 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
12939 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
12941 2000-07-17 Richard Henderson <rth@cygnus.com>
12943 * config/ia64/ia64.md (movdi): Split out load address code.
12944 New post-reload splitter for symbolic operands.
12945 (movdi_internal): Abort if we didn't split symbolic operands
12946 when we should have.
12947 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
12948 (ia64_reorg): Split insns when not optimizing.
12949 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
12951 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12953 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
12954 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
12956 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12958 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12960 2000-07-17 Jason Merrill <jason@redhat.com>
12962 * Makefile.in (clean): Remove libgcc directory.
12964 * configure.in (-Wno-long-long check): Use higher-level macros.
12966 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12968 * simplify-rtx.c (simplify_binary_operation): Recognize
12969 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12970 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12971 a CONST_INT, it will always be zero.
12973 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12975 * loop.c (check_dbra_loop) : Return if more than one condition is
12976 present to control the loop.
12978 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12980 * mips.c (mips_expand_prologue): Don't calculate the last argument
12981 register unless we need it. When we are calculating this, make
12982 sure FUNCTION_ARG is giving us a REG.
12984 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12986 * flow.c (libcall_dead_p): Use single_set to verify the insn
12987 has only one set and get for analysis.
12988 (propagate_one_insn): Don't pass the PATTERN of the insn.
12990 2000-07-17 Mark Klein <mklein@dis.com>
12992 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12994 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12996 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12997 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12998 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12999 of second argument of getgroups.
13000 * configure, config.in: Rebuilt.
13002 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
13004 * simplify-rtx.c (simplify_relational_operation): Two signed
13005 values with equal high words are less/greater than each other if
13006 their low words are less/greater when considered as unsigned.
13008 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
13010 * configure.in (vax-*-openbsd): Change to new style configuration,
13011 add collect2/float_format information.
13012 * configure: Rebuilt.
13013 * config/vax/openbsd1.h: New.
13014 * config/vax/openbsd.h: New.
13015 * config/vax/t-openbsd: New.
13017 2000-07-17 Chip Salzenberg <chip@valinux.com>
13019 * c-common.c (shorten_compare): Quiet warnings about unsigned
13020 comparisons with zero when they occur in a system header.
13022 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
13024 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
13025 update to describe current practice.
13027 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
13029 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
13030 references to C9X. Change references to -fstd and -flang-isoc9x
13033 * c-common.c (scan_char_table): Allow "z" length modifiers on
13035 (check_format_info): Use TYPE_DOMAIN on the type matched against
13036 for "z" formats, to retrieve the language size_t rather than the
13039 * c-common.c (check_format_info): Do not make a pedantic objection
13040 to the 'L' length modifier if used with a floating point type
13043 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
13044 constants in C99 mode.
13046 2000-07-17 Kazu Hirata <kazu@hxi.com>
13048 * h8300.md: Fix the format of mac.
13049 (movsi_h8300hs): Output a tab after stmac instead of a space.
13051 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
13052 profitable adds/subs sequences.
13054 * fold-const.c: Fix comment typos.
13056 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
13058 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
13060 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13062 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
13064 2000-07-16 Neil Booth <NeilB@earthling.net>
13066 * cpplex.c: Update comments.
13067 * README.Portability: Small update.
13069 2000-07-16 Neil Booth <NeilB@earthling.net>
13071 * README.Portability: Small update.
13073 2000-07-15 Richard Henderson <rth@cygnus.com>
13075 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
13076 * config/ia64/ia64.c (ia64_move_ok): New function.
13077 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
13078 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
13080 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
13082 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
13083 immediately following a paste operator.
13084 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
13085 (cpp_reader_init): Call it, if HOST_EBCDIC.
13086 (cpp_handle_options): Do not sort option list here.
13087 (handle_option): Rename to cpp_handle_option and export.
13088 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
13089 _cpp_get_token directly.
13090 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
13091 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
13092 * cpplib.h: Prototype cpp_handle_option. Update prototype of
13095 2000-07-15 Richard Henderson <rth@cygnus.com>
13097 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
13098 cast around an expression. Tidy other unsigned tests.
13100 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
13102 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
13103 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
13104 (v_message_with_decl): Rename to ...
13105 (format_with_decl): ... this. Tweak
13106 (diagnostic_for_decl): New function.
13107 (fatal_io_error): Use verbatim in lieu of notice.
13108 (announce_function): Use verbatim.
13109 (default_print_error_function): Likewise.
13110 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
13113 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13115 * mips.c (function_arg_pass_by_reference): Don't do automatic
13116 aggregate initialization.
13117 (machine_dependent_reorg): Initialize variable `mode'.
13119 * mips.md (absdi2): Change variable `regno1' to unsigned int.
13120 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
13121 conflicts with sys/param.h macro of the same name.
13122 (reload_outdi): Likewise.
13124 2000-07-15 Michael Meissner <meissner@redhat.com>
13126 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
13127 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
13128 create a new node instead.
13130 2000-07-15 Neil Booth <NeilB@earthling.net>
13132 * README.Portability: Correct example about calling a function
13133 through a pointer to function. Format wide paragraphs.
13135 2000-07-15 Michael Meissner <meissner@redhat.com>
13137 * README.Portability: Update integer suffixes and function
13138 prototype sections.
13140 2000-07-15 Neil Booth <NeilB@earthling.net>
13142 * README.Portability: Small update.
13144 2000-07-15 Neil Booth <NeilB@earthling.net>
13146 * README.Portability: New file.
13148 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
13150 * INSTALL: Give special instructions for building GCC on Irix 6.
13151 * config/mips/x-iris6 (CC): Don't set it.
13154 2000-07-14 Jason Merrill <jason@redhat.com>
13156 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
13157 register in the stack and later in another register, use the new
13160 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
13162 * config/mips/mips.md: (absdi2): Handle sign_extend for
13165 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
13167 * cpplib.c (do_pragma_dependency): Tidy warning messages.
13169 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
13171 * .cvsignore: Correct typo.
13173 2000-07-13 Mark Mitchell <mark@codesourcery.com>
13175 * .cvsignore: Add generated YACC files.
13176 * objc/.cvsignore: New file.
13178 2000-07-14 Neil Booth <NeilB@earthling.net>
13180 * cpplex.c (adjust_column): New funcion.
13181 (skip_whitespace): Use it.
13182 (skip_block_comment): Use it, and warn about /*/* with
13185 2000-07-14 Neil Booth <NeilB@earthling.net>
13187 * cpphash.c (struct macro_info): Add new members.
13188 (_cpp_free_definition): Delete the macro directly.
13189 (count_params): Return void, with first token of
13190 expansion in struct macro_info on success.
13191 (parse_define): Return int. Hoist syntax checking from
13192 save_macro_expansion. Leave call to save_expansion to
13193 _cpp_create_definition.
13194 (alloc_macro): Needs just 2 arguments.
13195 (free_macro): Delete.
13196 (save_expansion): Don't perform syntax check.
13197 (_cpp_create_definition): Call save_expansion.
13199 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13201 * genrecog.c (write_header): Split long string.
13203 * cpphash.c (macro_info): Don't use the `signed' keyword.
13205 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
13207 2000-07-13 Jakub Jelinek <jakub@redhat.com>
13209 * calls.c (stored_args_map): New variable.
13210 (check_sibcall_argument_overlap_1): New.
13211 (check_sibcall_argument_overlap): New.
13212 (expand_call): Initialize stored_args_map.
13213 Call check_sibcall_argument_overlap.
13215 2000-07-13 Bruce Korb <bkorb@gnu.org>
13217 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
13218 (emit_gnu_type): utility procedure for gnu_type_fix
13219 (gnu_type_fix): implement various pre-processor guards around
13220 standard types so these types can be defined over and over
13221 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
13222 types alluded to above will have GNU-compliant base types
13223 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
13224 * fixinc/inclhack.def: add test_text entries and utilize the new
13225 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
13226 * fixinc/fixincl.x: regenerate
13228 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
13230 * diagnostic.c (vline_wrapper_message_with_location,
13231 v_message_with_file_and_line, v_error_with_file_and_file,
13232 v_error_for_asm, v_warning_for_asm, vfatal,
13233 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
13234 vsorry, verror, vwarning, vpedwarn): Remove.
13235 (diagnostic_for_asm): New function.
13236 (pedwarn, error, warning, pedwarn_with_file_and_line,
13237 error_with_file_and_line, warning_with_file_and_line, sorry,
13238 error_for_asm, warning_for_asm, fatal): Reimplement.
13239 (finish_diagnostic): Clear diagnostic info as well.
13241 2000-07-13 Neil Booth <NeilB@earthling.net>
13243 * c-common.h (flag_digraphs): New.
13244 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
13245 * c-lex.c (yylex): Use flag_digraphs to decide whether to
13248 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
13250 * gcc.c (do_spec_1): Add new %B operator.
13251 (set_input): Prepare for %B.
13253 (link_command_spec): Move up with the other tm.h-
13254 overrideable specs. Factor out the portion conditional on
13255 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
13256 (struct compiler): Just have a single spec string. All users
13258 (default_compilers): Remove unnecessary braces.
13259 (static_specs): Update.
13261 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
13263 (C and assembly specs): Use the new named specs, as appropriate.
13265 * objc/lang-specs.h: Use the new named specs.
13266 Remove unnecessary braces.
13268 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13270 * gcc.c (execute): If a subprocess gets a fatal signal, report
13271 strsignal() of the signal number, and ask for a bug report.
13272 Do not do this for SIGPIPE if there's already been an error.
13274 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
13275 Delete pipe_closed.
13277 * tradcif.c: Remove.
13279 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13281 * final.c (profile_function): Do not emit profile counters in
13282 the data section, if NO_PROFILE_COUNTERS is defined.
13283 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
13286 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
13287 (FUNCTION_PROFILER): Just emit a call to mcount.
13289 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13291 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
13293 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
13294 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
13295 traditional, lang_chill, or lang_fortran.
13297 * cppfiles.c: #undef strcmp to suppress warning about macros
13298 used without arguments.
13299 (_cpp_execute_include): Use f, not fname, in "No include path"
13301 (_cpp_pop_file_buffer): New function.
13302 * cpplib.c: Don't include <sys/mman.h>.
13303 (cpp_push_buffer): Set line_base and lineno in new buffer.
13304 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
13306 * cpplex.c: Move all prototypes and structure declarations to the
13307 top of the file. Properly parenthesise some macro arguments.
13308 (cpp_scan_line): New function.
13309 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
13310 don't need to walk up the stack counting.
13312 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13314 * c-common.c (combine_strings): Emit a pedantic warning when a
13315 string length is greater than the minimum ANSI C is required
13318 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
13320 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
13321 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
13323 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13325 * c-decl.c (define_label): Warn about identifier conflicts with
13326 labels in traditional C.
13328 * c-parse.in (unop +): Warn about the unary plus operator for
13331 * c-typeck.c (store_init_value): Warn about automatic aggregate
13332 initialization for traditional C.
13334 * invoke.texi (-Wtraditional): Document new warnings.
13336 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13338 * Makefile.in (c-errors.o): Fix thinko in dependency.
13340 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13342 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
13343 -traditional, -ftraditional, or -traditional-cpp was given.
13344 Do not pass -traditional to the preprocessor.
13345 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
13346 preprocessor does it automatically.
13347 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
13349 * ch/lang-specs.h: Always use tradcpp. Do not pass
13350 -traditional, -trigraphs, or -pedantic to the preprocessor.
13351 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
13354 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13356 * cppexp.c (LOGICAL): Delete macro.
13357 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
13360 * cpphash.c (HASHSIZE): Increase to 4096.
13361 (struct hashdummy): Add hash field.
13362 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
13363 the string values using memcmp.
13364 (cpp_lookup): Set dummy.hash.
13366 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
13368 * configure.in (m88k-openbsd): Express configuration using new fragment
13370 * configure: Rebuilt.
13371 * m88k/aout-dbx.h: New.
13372 * m88k/openbsd.h: New.
13373 * m88k/xm-openbsd.h: New.
13375 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13377 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
13379 2000-07-12 Richard Henderson <rth@cygnus.com>
13381 * reload.c (push_secondary_reload): Make sure to add the new
13382 reload at the end, after acquiring secondary memory.
13384 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13386 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13388 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13389 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13391 * c-parse.in (stmt): Delete unused variables.
13393 * convert.c (convert_to_vector): Likewise.
13395 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13397 * tree.c (finish_vector_type): Prototype.
13399 2000-07-12 Bruce Korb <bkorb@gnu.org>
13401 * fixinc/fixfixes.c: use xmalloc
13402 * fixinc/fixincl.c(initialize): set program name for xmalloc
13403 * fixinc/fixlib.c(must_malloc): obsolete
13404 (is_cxx_header): no longer used - disabled
13405 (skip_quote): inserted and disabled for future use
13406 * fixinc/fixlib.h: reflects above
13407 * fixinc/fixtests.c: removed dinkleberries
13409 2000-07-12 Neil Booth <NeilB@earthling.net>
13411 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13412 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13414 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13415 struct toklist_dummy): New.
13416 (cpp_free_definition): Free macros with free_macro.
13417 (count_params): Don't save paramter spellings. Save macro
13418 information in a struct macro_info.
13419 (parse_define): Don't allocate a token list.
13420 (save_expansion): Allocate the macro's token list, and
13421 save parameter spellings if necessary. Use TOKEN_SPELL.
13422 (cpp_create_definition): Make list const.
13424 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13426 * c-typeck.c (pedwarn_c99): Move to
13427 * c-errors.c: ... Here.
13428 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13429 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13430 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13431 (c-errors.o): List dependency.
13433 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13435 * c-parse.c: Remove.
13436 * c-parse.h: Likewise.
13437 * c-parse.y: Likewise.
13438 * objc/objc-parse.c: Likewise.
13439 * objc/objc-pasre.y: Likewise.
13441 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13443 * gcc.texi: Fix minor typos
13444 * extend.texi: Fix minor typos
13446 2000-07-11 Marc Espie <espie@openbsd.org>
13448 * collect2.c (main): Recognize .lo as object files.
13450 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13452 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13455 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13456 with MAP_ANONYMOUS and MAP_ANON.
13457 * configure, config.in: Rebuilt.
13459 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13461 * diagnostic.c (save_output_state): Remove.
13462 (restore_output_state): Likewise.
13463 (clear_text_info): New function.
13464 (clear_diagnostic_info): Likewise.
13465 (output_text_length, is_starting_newline, output_prefix,
13466 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13467 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13468 (set_real_maximum_length, output_set_maximum_length,
13469 output_set_prefix, output_get_prefix, output_set_maximum_length,
13470 output_destroy_prefix, init_output_buffer,
13471 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13472 output_add_newline, output_add_character, output_add_space,
13473 output_append_r, output_append, wrap_text, output_format,
13474 output_do_printf, output_printf, output_do_verbatim,
13475 output_verbatim, verbatim): Use them.
13476 (output_clear): Split into cleat_text_info and
13477 clear_diagnostic_info.
13478 (struct output_state): Move to...
13480 * diagnostic.h: ...Here
13481 (struct output_buffer): Adjust.
13483 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13485 * cpplex.c (parse_name): No longer inline (premature optimization).
13486 (do_pop_context): Fold into pop_context.
13487 (pop_context): Returns int.
13488 (lex_next): Hoist test for end of directive into pop_context.
13489 (push_macro_context): Returns int; takes just reader and token.
13490 Hoist test for excessive nesting to caller.
13491 (push_arg_context): Returns void; takes just reader and token.
13492 Do not call stringify_arg or get_raw_token.
13493 (get_raw_token): Convert tail recursion through push_arg_context
13494 to a loop at this level. Call stringify_arg here if appropriate.
13495 (maybe_paste_with_next): Convert tail recursion to a while loop.
13496 Hoist test of paste_level to caller.
13498 (stringify_arg): Push arg context at beginning.
13499 (cpp_get_token): Split out core into _cpp_get_token. Call
13500 process_directive here. Throw away CPP_PLACEMARKER tokens.
13501 (_cpp_get_token): Convert tail recursion through
13502 push_macro_context to a loop at this level.
13503 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13504 _cpp_get_raw_token): Use _cpp_get_token.
13505 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13506 not call pop_context.
13507 (_cpp_run_directive): Call lex_next directly.
13509 * cpphash.h: Prototype _cpp_get_token.
13510 * cppexp.c (lex): Use it.
13511 * cpphash.c (parse_define): Use it.
13512 * cpplib.c (get_define_node, do_undef, parse_include,
13513 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13514 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13515 parse_ifdef, validate_else): Use it.
13516 (cpp_push_buffer): Tweak error message; abort if anyone tries
13517 to push a buffer while macro expansions are stacked.
13519 2000-07-11 Donn Terry <donnte@microsoft.com>
13521 * cpplex.c (free_macro_args, save_token): Cast arg of free
13522 and/or xrealloc to PTR.
13523 (_cpp_init_input_buffer): Clear all fields of the base context.
13525 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
13527 * gensupport.c (process_rtx): Make rtl checking stop
13528 complaining about the define_insn while it is being
13529 converted from a define_insn_and_split.
13531 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
13533 * config/mips/mips.c (simple_memory_operand): Access the
13534 INTVAL of the address, not it's containing MEM.
13536 2000-07-11 Bruce Korb <bkorb@gnu.org>
13538 * fixinc/fixtests.c(double_slash): obsolete
13539 (else_endif_label): likewise
13540 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
13541 (libc1_ifdefd_memx): correct initial comment
13542 and omit the #if/#endif pair from the memxxx declarations
13543 * fixinc/fixincl.x: regen
13545 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13547 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
13549 2000-07-11 Neil Booth <NeilB@earthling.net>
13551 * cpp.texi: Update.
13553 2000-07-11 Neil Booth <NeilB@earthling.net>
13555 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
13556 (handle_option): Set digraphs according to standard.
13557 Merge OPT_lang_c89 handler with OPT_std_c89.
13559 * cpplex.c: (lex_line, can_paste): Honour digraphs in
13560 accordance with the digraphs flag.
13562 * cpplib.h: (struct cpp_options): New option digraphs.
13564 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
13565 Bruce Korb <bkorb@gnu.org>
13567 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
13568 * fixinc/fixincl.x: Regenerate.
13569 * fixinc/tests/base/testing.h: Add testcase.
13571 2000-07-10 Richard Henderson <rth@cygnus.com>
13573 * config/ia64/ia64.c (got_symbolic_operand): New.
13574 (symbolic_operand, move_operand): Revert 0701 change.
13575 * config/ia64/ia64.h (PREDICATE_CODES): Update.
13576 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
13577 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
13578 split the offset into a 14-bit low part instead of a 13-bit low part.
13579 (load_fptr): Mark the mem as unchanging.
13580 (load_symptr): Use got_symbolic_operand.
13582 2000-07-10 Nick Clifton <nickc@cygnus.com>
13584 * libgcc2.c (next_stack_level): Cast result of computation to
13585 (void **) so that the assignment does not generate a warning.
13587 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
13589 * flags.h : Add new variable flag_single_precision_constant.
13590 * toplev.c (display_help) : Add -fsingle-precision-constant option.
13591 (flag_single_precision_constant): New.
13592 * c-lex.c (yylex): Convert floating point constant to single
13593 precision constant.
13594 * invoke.texi : Add documentation for this new option.
13596 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13598 * diagnostic.c (output_octal): Second parameter is unsigned.
13599 (output_long_octal): Likewise.
13600 (output_hexadecimal): Likewise.
13601 (output_long_hexadecimal): Likewise.
13602 (output_format): Adjust arguments extraction. Tweak.
13603 (output_verbatim, verbatim): End variable argument list.
13604 (report_diagnostic): Improve documentation.
13606 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
13608 * c-common.h (build_stmt): Declare.
13609 (build_continue_stmt): Likewise.
13610 (build_break_stmt): Likewise.
13611 (build_return_stmt): Likewise.
13613 * c-decl.c (do_case): Rewrite to do what previously done in
13616 * c-semantics.c (build_stmt): Define.
13617 (build_return_stmt): Likewise.
13618 (build_break_stmt): Likewise.
13619 (build_continue_stmt): Likewise.
13620 (build_case_label): Likewise.
13622 * c-parse.in (BREAK): Change to build tree, then generate RTL.
13623 (CONTINUE): Likewise.
13624 (RETURN): Likewise.
13626 (DEFAULT): Likewise.
13628 * c-parse.y: Regenerate.
13629 * c-pasre.c: Likewise.
13631 2000-07-09 Jason Merrill <jason@redhat.com>
13633 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
13635 * tree.h (STRIP_NOPS): Check for error_mark_node.
13636 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
13637 (dwarf2out_*): Remove duplicate declarations.
13639 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
13640 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
13642 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13644 * diagnostic.c (wrap_text): New function.
13645 (maybe_wrap_text): Likewise.
13646 (output_add_string): Use it.
13647 (output_format): Likewise.
13648 (count_error): Use verbatim instead of notice.
13649 (report_error_function): Likewise. Don't use plain fprintf.
13650 (finish_diagnostic): New function.
13651 (output_do_verbatim): Tweak. Commonalize functionalities in
13652 output_verbatim and verbatim.
13653 (output_verbatim): Adjust.
13654 (verbatim): Likewise.
13655 (report_diagnostic): Define.
13657 * diagnostic.h (report_diagnostic): Prototype.
13659 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
13661 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
13663 2000-07-09 Neil Booth <NeilB@earthling.net>
13665 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
13666 IShspace, ISspace: Update.
13668 * cppinit.c: ISTABLE: Update.
13671 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
13672 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
13673 (skip_block_comment, skip_line_comment, parse_string,
13674 lex_line): Use is_vspace rather than IS_NEWLINE.
13675 (skip_whitespace, lex_line): Clean up to use is_nvspace.
13676 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
13678 (lex_next): Unconditionally stop if within a directive.
13679 Treat directives within macro invocations as directives
13680 (after parse_args emits error), not as the argument.
13682 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
13684 * diagnostic.c (diagnostic_args): New macro.
13685 (diagnostic_msg): Likewise.
13686 (output_formatted_integer): Likewise.
13687 (output_state): New data type.
13688 (digit_buffer): Make global.
13689 (output_add_integer): Rename to output_decimal. Squeeze
13691 (output_long_decimal, output_unsigned_decimal,
13692 output_long_unsigned_decimal, output_octal, output_long_octal,
13693 output_hexadecimal, output_long_hexadecimal): New functions.
13694 (output_append_r): New function.
13695 (output_append): Tweak.
13696 (output_flush_on): Rename to output_to_stream.
13697 (output_format): Change prototype. Improve documentation. Handle
13698 more format specifiers.
13699 (build_location_prefix): Rename to context_as_prefix.
13700 (output_notice): Rename to output_do_printf.
13701 (output_printf): Tweak.
13702 (line_wrapper_printf): Likewise.
13703 (vline_wrapper_message_with_location): Adjust call to renamed
13705 (v_message_with_decl): Likewise.
13706 (default_print_error_function): Likewise.
13707 (save_output_state): New function.
13708 (restore_output_state): Likewise.
13709 (output_do_verbatim): Likewise.
13710 (output_verbatim): Define.
13711 (verbatim): Likewise.
13713 * diagnostic.h (printer_fn): Change return type from void to int.
13714 Improve documentation.
13715 (output_add_integer): Rename to output_decimal.
13716 (output_flush_on, output_format): Don't export.
13717 (output_verbatim, verbatim): Declare.
13719 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
13721 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
13722 Check whether c divides op1 exactly if operation is not
13725 2000-07-08 Richard Henderson <rth@cygnus.com>
13727 * final.c (final): Do not abort when reg-stack introduces
13730 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
13732 * cpplib.h (struct cpp_name): Now struct cpp_string.
13733 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
13734 CPP_HEADER_NAME): Change to type S.
13735 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
13736 field, a cpp_hashnode *. All references to val.name updated
13737 to use val.str or val.node as appropriate.
13738 (struct cpp_reader): Add spec_nodes field.
13739 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
13741 * cpphash.h (struct spec_nodes): New.
13742 (enum spell_type): Reorder. Only SPELL_STRING tokens use
13743 val.str. All references to 'spelling > SPELL_NONE' updated to
13746 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
13747 pfile->buffer->inc are not NULL before dereferencing them.
13749 * cpplex.c (parse_name): Take a pointer to the current token,
13750 plus current position and limit as args; return the new
13751 position; don't copy the text of a name into the string
13752 buffer, instead call cpp_lookup and store the node pointer.
13753 If extending a token, copy out the text of the old into a
13754 scratch buffer, append the new, look that up and store the new
13755 node pointer. Inline.
13756 (maybe_paste_with_next): If the result of paste is a NAME,
13757 then look up the pasted text and store its node pointer.
13758 (lex_line): Adjust for new parse_name interface.
13759 Check for L"str", L'str' using spec_nodes->n_L.
13760 (spell_token): SPELL_IDENT tokens have their spelling in
13761 val.node->name. Handle SPELL_STRING tokens that don't have
13763 (_cpp_expand_name_space,
13764 (can_paste): Check for L ## "str" using spec_nodes->n_L.
13765 (cpp_get_token, special_symbol): No need to call cpp_lookup.
13766 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
13767 return 1=equal 0=not, not a tristate.
13769 * cpphash.c (var_args_str): Delete.
13770 (find_param): Compare node fields directly.
13771 (is__va_args__): Use CPP_PEDANTIC. Just compare
13772 token->val.node with spec_nodes->n__VA_ARGS__.
13773 (dump_funlike_macro): Don't use var_args_str.
13775 * cpplib.c (_cpp_check_directive): Just walk through
13776 spec_nodes->dirs comparing pointers.
13777 (get_define_node, do_pragma_poison, detect_if_not_defined,
13778 parse_ifdef): The identifier has already been looked up.
13779 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
13781 (do_if): Only call detect_if_not_defined at beginning of file.
13782 (_cpp_parse_assertion): Only copy string pointers for
13783 SPELL_STRING tokens.
13784 (pragma_dispatch): Take a node pointer and examine its name
13786 (_cpp_init_stacks): Also initialize the spec_nodes structure.
13788 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
13790 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
13791 reverse order from the corresponding _cpp_init_* routines.
13793 * cppexp.c (parse_number, parse_charconst, parse_defined,
13794 lex): Check val.node->type instead of calling cpp_defined.
13795 Use spec_nodes entries where appropriate.
13797 * fix-header.c, scan-decls.c: Update for interface changes.
13799 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
13801 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
13802 emitting aux_truncdfsf2.
13804 2000-07-03 Donn Terry (donnte@microsoft.com)
13806 * cppinit.c (print_help): split overlong line into ISO C89
13809 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13811 * cppexp.c: Update all code for new lexer interface.
13812 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
13813 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
13814 * cpplex.c (token_names): Trim leading CPP_ from names; make
13815 the strings unsigned.
13816 (_cpp_spell_operator): New.
13817 (is_macro_disabled): Disable all macros if rescanning
13819 (_cpp_get_directive_token): Remove.
13821 * cppinit.c: Don't set no_macro_expand.
13822 * cpplib.c (read_line_number, do_line): Check only for EOF,
13824 * cpphash.h: Update prototypes.
13825 * cpplib.h (CPP_VSPACE): Remove.
13826 (struct cpp_reader): Remove no_macro_expand.
13828 2000-07-08 Neil Booth <NeilB@earthling.net>
13830 * cpphash.c (is__va_args__): New function.
13831 (count_params): Fix line reported in error messages. Use
13832 is__va_args__. Don't return ')' on error. Flag GNU style
13833 rest args macro definitions.
13834 (parse_define): Check macro name is not __VA_ARGS__.
13835 (save_expansion): Check identifier in non-varargs-macro is
13836 not __VA_ARGS__. Don't flag GNU_VARARGS.
13837 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
13838 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
13839 than per-token GNU_VARARGS.
13840 * cpplib.h (GNU_VARARGS): Remove.
13841 (GNU_REST_ARGS): New.
13843 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13845 * i386.md (call_pop, call, call_value_pop): Do not set
13846 current_function_uses_pic_offset_table for calls to static
13847 functions or indirect calls.
13849 2000-07-07 Jim Wilson <wilson@cygnus.com>
13851 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
13852 is_predicate_reg, then take max write_count of register pair.
13854 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13856 * tradcpp.c (main): Rename label `include' to `add_include' to
13857 avoid conflicts with variable `include' in traditional C.
13859 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13861 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
13863 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13865 * sibcall.c (uses_addressof): Add INMEM argument, check for
13866 current_function_internal_arg_pointer outside of MEM rtxs in addition
13868 (sequence_uses_addressof): Update caller.
13870 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13872 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
13875 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13877 * system.h (UNION_INIT_ZERO): New macro for initializing union
13878 members in structs.
13880 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13882 2000-07-07 Neil Booth <NeilB@earthling.net>
13884 * cpp.texi: Update.
13886 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
13888 * final.c (final): Detect out of bounds array access to
13889 the insn_lengths array.
13891 2000-07-07 Kazu Hirata <kazu@hxi.com>
13893 * fold-const.c (fold): Fix a comment typo.
13895 2000-07-07 Neil Booth <NeilB@earthling.net>
13897 * cpp.texi: Update to new lexer.
13899 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13901 * tradcpp.c: New file.
13902 * tradcif.y: New file.
13903 * tradcif.c: New generated file.
13905 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
13906 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
13907 dependencies of C. Install tradcpp from install-common, in
13910 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13912 * cppinit.c: Include cppdefault.h. Refer to
13913 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
13914 to GCC_INCLUDE_DIR and its length.
13915 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
13916 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
13917 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
13919 (include_defaults_array): Move to cppdefault.c.
13921 * cppdefault.h: New file.
13922 * cppdefault.c: New file.
13924 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
13925 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
13926 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
13929 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13931 * reload.c (push_reload): When seeing if can reuse a register,
13932 check extra registers against widest of INMODE and OUTMODE.
13934 2000-07-06 Neil Booth <NeilB@earthling.net>
13936 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
13937 based on full length of predicate.
13939 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
13941 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
13942 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
13944 2000-07-05 Kazu Hirata <kazu@hxi.com>
13946 * h8300-proto.h: Fix formatting.
13947 * h8300.c: Likewise.
13948 * h8300.h: Likewise.
13950 2000-07-05 Jim Wilson <wilson@cygnus.com>
13952 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
13955 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
13957 * invoke.texi: Fix minor typos
13958 * md.texi: Fix minor typos
13960 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13962 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13964 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13966 * cpplex.c: Don't include sys/mman.h.
13967 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13969 * cpplib.c: Include sys/mman.h and obstack.h.
13970 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13972 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13973 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13974 bother freeing if stack entries (they will be freed with their buffer).
13975 (do_endif): Free if stack entries from the buffer obstack.
13976 (push_conditional): Allocate if stack entries from the buffer obstack.
13978 (find_answer): Rename to _cpp_find_answer.
13979 (do_assert, do_unassert): Update.
13981 * cpphash.h: Update prototypes.
13982 (xobnew): New convenience macro.
13983 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13985 (struct cpp_hashnode): Remove disabled field.
13987 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13988 (report_missing_guard): Moved to cppfiles.c.
13989 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13991 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13992 cpp_cleanup_includes. Don't destroy hashtab or
13993 all_include_files here.
13994 (cpp_finish): Use _cpp_report_missing_guards.
13996 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13997 (_cpp_init_include_table): Rename _cpp_init_includes.
13998 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
14000 * cppexp.c (parse_assertion): Update for new name of
14003 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
14005 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
14007 * cpplib.c (do_ident): s/VSPACE/EOF/
14009 2000-07-05 Neil Booth <NeilB@earthling.net>
14011 * cpplex.c: Fix trigraph replacement within strings.
14013 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14015 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
14017 * xcoffout.c (assign_type_number): Constify.
14018 (xcoffout_source_file): Add static prototype. Don't needlessly
14019 cast away const-ness.
14021 2000-07-04 Jason Merrill <jason@redhat.com>
14023 * frame.h (frame_state): Move base_offset to end.
14025 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14027 * calls.c (emit_library_call_value_1): Revert previous change.
14029 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14031 * fix-header.c (struct partial_proto): Remove unnecessary fields.
14032 (recognized_extern, recognized_function, read_scan_file):
14033 Update for new scheme.
14034 (check_protection): It's still a multiple include guard even
14035 if it doesn't always trigger.
14036 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
14038 * scan.h: Declare struct cpp_token. Update prototypes.
14040 2000-07-03 Neil Booth <neilb@earthling.net>
14041 Zack Weinberg <zack@wolery.cumb.org>
14043 Complete overhaul of the lexer and macro expander.
14045 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
14046 arg, arglist, argdata, reflist, collect_objlike_expansion,
14047 collect_funlike_expansion, collect_params,
14048 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
14049 unsafe_chars, macarg, compare_defs, special_symbol,
14050 scan_arguments, stringify, funlike_macroexpand,
14051 _cpp_quote_string, monthnames): Delete.
14052 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
14053 _cpp_create_definition, _cpp_dump_definition,
14054 dump_hash_helper): Adjust.
14055 (find_param, count_params, parse_define, var_args_str,
14056 check_macro_redefinition, save_expansion): New.
14058 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
14059 parse_string, output_line_command, trigraph_replace,
14060 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
14061 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
14062 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
14063 _cpp_skip_rest_of_line): Modify.
14065 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
14066 find_position, null_warning, bump_column, expand_name_space,
14067 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
14068 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
14069 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
14070 _cpp_prescan): Delete.
14072 (dump_param_spelling, process_directive, lex_next,
14073 is_macro_disabled, stringify_arg, expand_context_stack,
14074 output_token, make_string_token, alloc_number_token,
14075 special_symbol, duplicate_token, maybe_paste_with_next,
14076 can_paste, prevent_macro_expansion, restore_macro_expansion,
14077 get_temp_token, release_temp_tokens, quote_string,
14078 token_names, token_spellings, _cpp_expand_name_space,
14079 _cpp_glue_header_name, _cpp_reserve_name_space,
14080 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
14081 placemarker_token, eof_token, cpp_context, macro_args,
14082 get_raw_token, parse_arg, parse_args, save_token,
14083 push_arg_context, push_macro_context, pop_context,
14084 do_pop_context, free_macro_args, _cpp_get_line,
14085 _cpp_run_directive): New.
14087 * cpplib.c (validate_else, parse_include, push_conditional,
14088 pass_thru_directive, read_line_number, parse_ifdef,
14089 detect_if_not_defined, _cpp_check_directive, do_define,
14090 do_undef, do_include, do_import, do_include_next, do_error,
14091 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
14092 top_pragmas, do_pragma_gcc, do_pragma_implementation,
14093 do_pragma_poison, do_pragma_system_header,
14094 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
14095 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
14096 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
14097 cpp_defined): Update for new scheme.
14098 (strtoul_for_line, get_define_node, dump_macro_name,
14099 _cpp_check_linemarker, _cpp_parse_assertion): New.
14100 (_cpp_handle_directive, do_pragma_default): Delete.
14102 * cpphash.h (struct predicate): Now struct answer.
14103 (enum spell_type, struct token_spelling, struct directive,
14104 directive_handler): New.
14105 Update prototypes. Remove unused macros.
14106 * cpplib.h: Update prototypes. Remove unused macros,
14107 structure definitions, and fields.
14109 * cpperror.c (print_containing_files, v_message): Adjust.
14110 * cppexp.c (parse_assertion, lex, parse_escape,
14111 _cpp_parse_expr): Adjust.
14112 * cppfiles.c (open_include_file, _cpp_execute_include,
14113 _cpp_compare_file_date, cpp_read_file, read_include_file):
14115 * cppinit.c (dump_special_to_buffer): Delete.
14116 (append_include_chain, merge_include_chains, cpp_reader_init,
14117 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
14118 cpp_finish, handle_option, print_help): Adjust.
14119 * cppmain.c (main): Adjust.
14121 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14123 * cppspec.c (lang_specific_driver): Use double quotes in error
14126 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14128 * calls.c (emit_library_call_value_1): Use valreg instead
14129 of hard_libcall_value.
14131 2000-07-03 Geoff Keating <geoffk@cygnus.com>
14133 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
14134 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
14135 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
14143 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
14144 mode instead of wider_mode is being used.
14146 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14148 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
14149 of 'r'. Use q_regs_operand.
14150 (andsi_1+2): Use q_regs_operand.
14152 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14154 * builtins.c (get_memory_rtx): Always put into alias set 0.
14156 2000-07-03 Nick Clifton <nickc@cygnus.com>
14158 * config/arm/arm.md: Fix post increment and pre increment
14159 peepholes so that they do not generate UNPREDICATBLE opcodes.
14160 (ie ones where the increment clobbers the source/destination).
14162 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
14164 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
14165 change too big for -mtiny-stack" a warning, if larger than 63.
14166 (out_set_stack_ptr): Change the logic so -mno-interrupts is
14167 always safe to use on possible future devices.
14168 (function_prologue): Write SPH before SPL, for consistency.
14169 If interrupt_func_p true, we know we have enabled interrupts.
14170 (avr_num_arg_regs): New function. Round up to even number of
14171 bytes if no -mpack-args or if calling a libgcc function.
14172 (function_arg, function_arg_advance): Use it.
14173 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
14174 Output "movw" if available.
14175 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
14176 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
14177 (asm_output_section_name): Add blanks for consistent output.
14178 (encode_section_info): Set TREE_READONLY for progmem data to
14179 avoid gas warnings about changed section attributes.
14180 (avr_hard_regno_mode_ok): Force non-QImode data to start in
14181 even numbered registers on devices with "movw".
14182 * config/avr/avr.h (MASK_*): Define bits for target_flags.
14183 (TARGET_SWITCHES): Mark help strings for translation.
14184 Add new -mpack-args and -menhanced switches.
14185 (TARGET_OPTIONS): Mark help strings for translation.
14186 (progmem_section): Add section attributes.
14187 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
14188 Output "movw" if available.
14189 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
14191 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
14192 call convention (arguments aligned on even registers).
14193 (_cleanup, _exit): Make weak symbols libc can override.
14195 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14197 * fp-bit.h: New file.
14199 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
14200 Comment #endif statements.
14201 (__thenan_sf, __thenan_df): Add missing braces around initializer.
14203 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
14205 * gcse.c (compute_pre_data): Compute ae_kill using other local
14206 properties instead of calling compute_ae_kill.
14208 * alias.c (init_alias_analysis): Do not call
14209 prologue_epilogue_contains until after reload has completed.
14211 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
14213 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
14214 (genrtl_finish_compound_stmt): Likewise.
14215 (genrtl_compound_stmt): Change to return void.
14217 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
14218 move code from here to ...
14219 (genrtl_compound_stmt): ... here.
14220 (genrtl_finish_compound_stmt): Remove.
14221 (expand_stmt): Add comment.
14223 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
14225 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
14228 2000-07-02 Jakub Jelinek <jakub@redhat.com>
14230 * cpplib.h (struct cpp_reader): New field include_depth.
14231 (struct cpp_printer): Rename last_bsd to last_id.
14232 * cppfiles.c (read_include_file): Bump include_depth.
14233 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
14234 (output_line_command): Output correct #line if a header
14235 is including itself and is not protected against multiple inclusion.
14236 Use include_depth instead of buffer_stack_depth, last_id instead of
14238 * cppinit.c (cpp_start_read): Initialize last_id instead of
14241 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
14243 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
14244 (c-semantics.o): New target.
14246 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
14247 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
14248 (genrtl_clear_out_block): Likewise.
14249 (genrtl_goto_stmt): Likewise.
14250 (genrtl_expr_stmt): Likewise.
14251 (genrtl_decl_stmt): Likewise.
14252 (genrtl_if_stmt): Likewise.
14253 (genrtl_while_stmt): Likewise.
14254 (genrtl_do_stmt): Likewise.
14255 (genrtl_return_stmt): Likewise.
14256 (genrtl_for_stmt): Likewise.
14257 (genrtl_break_stmt): Likewise.
14258 (genrtl_continue_stmt): Likewise.
14259 (genrtl_scope_stmt): Likewise.
14260 (genrtl_switch_stmt): Likewise.
14261 (genrtl_case_label): Likewise.
14262 (genrtl_begin_compound_stmt): Likewise.
14263 (gerntl_finish_compound_stmt): Likewise.
14264 (genrtl_compound_stmt): Likewise.
14265 (genrtl_asm_stmt): Likewise.
14266 (genrtl_decl_cleanup): Likewise.
14267 (DECL_ANON_UNION_ELEMS): Likewise.
14268 (emit_local_var): Likewise.
14269 (make_rtl_for_local_static): Likewise.
14270 (expand_cond): Likewise.
14271 (expand_stmt): Likewise.
14272 (c_expand_return): Likewise.
14273 (c_expand_start_case): Likewise.
14274 (do_case): Likewise.
14275 (COMPOUND_STMT_NO_SCOPE): Likewise.
14276 (c_expand_asm_operands): Likewise.
14277 (NEW_FOR_SCOPE_P): New macro.
14278 (expand_expr_stmt_fn): New type.
14280 (set_current_function_name_declared): Likewise.
14281 (current_function_name_declared): Likewise.
14282 (lang_expand_stmt): Likewise.
14283 (stmts_are_full_exprs_p): Likewise.
14284 (anon_aggr_type_p): Likewise.
14285 (lang_expand_expr_stmt): Likewise.
14286 (build_case_label): Likewise.
14288 * c-decl.c (lang_expand_expr_stmt): Initialize.
14289 (stmts_are_full_exprs_p): Define.
14290 (current_function_name_declared): Likewise.
14291 (do_case): Likewise.
14292 (lang_expand_stmt): Likewise.
14293 (set_current_function_name_declared): Likewise.
14294 (anon_aggr_type_p): Likewise.
14296 * c-semantics.c: New file.
14297 (expand_cond): Moved from cp/semantics.c.
14298 (genrtl_do_pushlevel): Likewise.
14299 (genrtl_clear_out_block): Likewise.
14300 (genrtl_goto_stmt): Likewise.
14301 (genrtl_expr_stmt): Likewise.
14302 (genrtl_decl_stmt): Likewise.
14303 (genrtl_if_stmt): Likewise.
14304 (genrtl_while_stmt): Likewise.
14305 (genrtl_do_stmt): Likewise.
14306 (genrtl_return_stmt): Likewise.
14307 (genrtl_for_stmt): Likewise.
14308 (genrtl_break_stmt): Likewise.
14309 (genrtl_continue_stmt): Likewise.
14310 (genrtl_scope_stmt): Likewise.
14311 (genrtl_switch_stmt): Likewise.
14312 (genrtl_case_label): Likewise.
14313 (genrtl_begin_compound_stmt): Likewise.
14314 (genrtl_finish_compound_stmt): Likewise.
14315 (genrtl_compound_stmt): Likewise.
14316 (genrtl_asm_stmt): Likewise.
14317 (genrtl_decl_cleanup): Likewise.
14318 (make_rtl_for_local_static): Moved from cp/decl.c.
14319 (emit_local_var): Likewise.
14320 (expand_stmt): Define.
14322 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
14323 (c_expand_return): Likewise.
14324 (c_expand_start_case): Likewise.
14326 2000-07-01 Richard Henderson <rth@cygnus.com>
14328 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
14329 with the low 13 bits set.
14330 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
14331 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
14332 of the low 13 bits into a CONST plus an adddi3.
14333 (load_symptr): Set RTX_UNCHANGING_P.
14335 See ChangeLog.3 for earlier changes.