1 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
3 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
6 2000-12-12 Mike Stump <mrs@wrs.com>
8 * Makefile.in (distclean): Remove safe-ctype.c as well.
10 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
12 * tradcpp.c (do_error): Cast difference of pointers to int
15 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
18 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
20 2000-12-12 Jim Wilson <wilson@redhat.com>
22 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
24 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
26 * configure.in: Simplify language enabling/disabling code.
28 * ch/config-lang.in (target_libs): Set.
29 (build_by_default): Set to no.
30 * cp/config-lang.in (target_libs): Set.
31 * f/config-lang.in (target_libs): Set.
32 * java/config-lang.in (target_libs): Set.
33 * objc/config-lang.in (target_libs): Set.
35 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
37 * tradcpp.c (enum node_type): Add T_ERROR.
38 (do_error): New function.
39 (directive_table): Add #error handler.
41 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
43 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
45 * configure: Regenerated.
46 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
47 * config/rs6000/rs6000.c (rs6000_unique_section): Use
50 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
52 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
53 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
56 2000-12-11 Bruce Korb <bkorb@gnu.org>
58 * fixinc/fixincl.tpl: initialize all fields for warnings
59 * fixinc/fixincl.x: regenerate
61 2000-12-11 Neil Booth <neilb@earthling.net>
63 * tradcpp.h: For tradcpp, NUL is not whitespace.
65 2000-12-11 Neil Booth <neilb@earthling.net>
67 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
69 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
71 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
72 (compare_diff_p, compare_eq_p): Call compare_condition.
73 (out_tsthi, out_tstsi): Call compare_sign_p.
74 (avr_progmem_p): Check for error_mark_node.
76 2000-12-11 Neil Booth <neilb@earthling.net>
78 * cpperror.c (print_location): New function.
79 (print_containing_files): Simplify.
80 (_cpp_begin_message): Simplify and use print_location.
81 * cppfiles.c (stack_include_file): Update.
82 (_cpp_pop_file_buffer): Update.
83 * cpphash.h (struct cpp_buffer): New members
84 include_stack_listed and type.
85 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
86 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
87 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
88 handle_assertion): Update.
89 (cpp_push_buffer): Take a buffer type and file name.
90 (cpp_pop_buffer): Update. Clear include_stack_listed.
91 * cpplib.h (input_stack_listing_current): Remove.
92 (enum cpp_buffer_type): New.
93 (cpp_push_buffer): New prototype.
94 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
95 * fix-header.c (read_scan_file): Update.
97 2000-12-10 Robert Lipe <robertlipe@usa.net>
99 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
102 2000-12-10 Richard Henderson <rth@redhat.com>
104 * genrecog.c (find_operand): Handle 'V' format code.
105 (find_matching_operand): New.
106 (validate_pattern): Accept '=' for an in-out operand if there
107 is another operand with a matching constraint.
109 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
112 2000-12-10 Richard Henderson <rth@redhat.com>
114 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
116 2000-12-09 Richard Henderson <rth@redhat.com>
118 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
119 STRICT_LOW_PART as SET_DEST have in-out constraints.
121 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
123 * c-common.c (check_function_format): Don't suggest adding format
124 attributes to functions with no parameter to which to add them.
126 2000-12-09 Nick Clifton <nickc@redhat.com>
128 * config/arm/arm.c (arm_expand_prologue): Mark the generated
129 insn not the set as being DWARF2_FRAME_RELATED_P.
131 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
133 * Makefile.in: use $(build_exeext) for all build
134 system executable targets.
136 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
138 * install.texi: remove i[345]86-*-winnt3.5 section.
139 * configur.bat: removed.
140 * config/msdos: directory removed.
142 2000-12-09 Neil Booth <neilb@earthling.net>
144 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
145 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
146 * cpplex.c (parse_identifier): Improve diagnostic.
147 (_cpp_lex_token): Return unconditionally at the end of a directive.
148 * cpplib.c (read_flag): Verify legality of each flag.
149 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
150 (do_line): Use the new read_flag.
151 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
152 check_macro_redefinition, parse_params): Rename var_args to
155 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
157 * .cvsignore: Add info files.
159 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
161 * config/winnt: Remove obsolete directory.
162 * install.texi (Configurations): Remove obsolete documentation for
165 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
167 * configure.in: Don't define INSTALL_INFO.
168 * configure: Regenerate.
169 * Makefile.in (INSTALL_INFO): Remove.
170 (info): Depend on info files in source directory.
171 (cpp.info, gcc.info, c-tree.info): Build info files in source
173 (distclean): Don't remove info files.
174 (maintainer-clean): Remove info files from source directory.
175 (install-normal): Depend on install-info.
176 (install-info): Install info files from source directory, if they
178 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
180 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
182 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
183 before taking its NOTE_LINE_NUMBER.
185 2000-12-08 Nick Clifton <nickc@redhat.com>
187 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
189 * extend.texi: Document ARM "interrupt" function attribute.
190 Mention that the ARM also support the "naked" function
193 * config/arm/arm-protos.h (arm_current_func_type): Add
196 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
197 (struct machine_function): Add 'func_type' field.
198 Define bit values for 'func_type' field.
199 (ARM_FUNC_TYPE): New macro.
200 (IS_INTERRUPT): New macro.
201 (IS_VOLATILE): New macro.
202 (IS_NAKED): New macro.
203 (IS_NESTED): New macro.
204 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
206 * config/arm/arm.c (isr_attribute_args): New Structure. A
207 list of "interrupt" function attribute modifiers.
208 (arm_isr_value): New Function: Returns the type of the current
210 (arm_compute_func_type): New Function: Computes the type of
211 the current function.
212 (arm_current_func_type): New Function: Returns the type of the
214 (use_return_insn): Use arm_current_func_type.
215 (arm_valid_type_attribute_p): Accept "interrupt" function
217 (arm_comp_type_attributes): Check "interrupt" attributes.
218 (arm_valid_machine_decl): Accept "interrupt" function
220 (arm_function_ok_for_sibcall): Do not allow interrupt
221 functions to use sibcalls.
222 (arm_naked_function_p): Delete.
223 (print_multi_reg): Remove redundant parameter 'hat'.
224 (arm_compute_save_reg_mask): New Function: Compute a bit mask
225 of registers saved during the current function's prologue.
226 (output_arm_return_instruction): Use arm_current_func_type.
227 Generate return instruction when LR is not poppsed off the
229 (arm_volatile_func): Delete.
230 (output_arm_prologue): Use arm_current_func_type and
231 arm_compute_save_reg_mask.
232 Note presernce of interrupt functions.
233 (arm_output_epilogue): Use arm_current_func_type and
234 arm_compute_save_reg_mask.
235 (arm_expand_prologue): Use arm_current_func_type and
236 arm_compute_save_reg_mask.
237 (arm_init_machine_status): Initialise func_type field, if
239 (thumb_expand_prologue): Use arm_current_func_type.
240 (output_thumb_prologue): Use arm_current_func_type.
242 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
244 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
246 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
248 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
251 2000-12-07 Mike Stump <mrs@wrs.com>
253 * Makefile.in (distclean): Remove alloca.c hashtab.c.
255 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
257 * Makefile.in (HOST_RTL): Add safe-ctype.o.
258 (safe-ctype.o): New rule.
259 * system.h: Include safe-ctype.h, not ctype.h. No need to
262 * cpphash.h: Zap IStable and related macros. Define is_* in
263 terms of safe-ctype.h macros.
264 * cppinit.c: Delete the IStable and all related code.
266 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
267 is_space arrays. Delete initialize_char_syntax. Change all
268 references to the above arrays to use macros instead.
269 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
270 is_nvspace in terms of safe_ctype.h's macros.
271 * tradcif.y: is_idchar, is_idstart are macros not arrays.
273 * config/i370/i370.c, config/winnt/dirent.c,
274 config/winnt/fixinc-nt.c, config/winnt/ld.c:
275 Use uppercase ctype macros. If we included ctype.h,
276 include safe-ctype.h instead.
278 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
279 ISLOWER(c) before calling TOUPPER(c).
280 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
281 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
282 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
284 2000-12-07 DJ Delorie <dj@redhat.com>
286 * c-decl.c (grokdeclarator): preserve previous alignments when
287 rebuilding array types.
289 2000-12-07 Neil Booth <neilb@earthling.net>
291 * cppfiles.c (struct include_file): Move from cpphash.h.
292 (_cpp_never_reread): New function.
293 (open_file, read_include_file): Use it.
294 (stack_include_file): Set the buffer's sysp according to the
295 path in which the file was found.
296 (find_include_file): Don't set sysp.
297 (cpp_make_system_header, actual_directory): Update.
298 (_cpp_execute_include): Do #include_next lookup handling here,
299 not in cpplib.c. Use _cpp_never_reread.
300 * cpphash.h (struct_include_file): Remove.
301 (struct cpp_buffer): New member sysp.
302 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
303 (_cpp_never_reread): New.
304 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
305 (end_directive): Clear line_extension flag.
306 (_cpp_handle_directive): Set line_extension flag for #number.
307 (do_include_next): Handle path lookup in _cpp_execute_include.
308 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
309 (_cpp_do_file_change): Update.
310 (do_pragma_once): Use cpp_never_reread. Clean up.
311 * cpplib.h (struct lexer_state): New member line_extension.
313 2000-12-07 Richard Henderson <rth@redhat.com>
315 * flow.c (calculate_global_regs_live): Force the stack pointer live
316 after reload as well.
318 2000-12-07 Bruce Korb <bkorb@gnu.org>
320 * fixinc/Makefile.*(exeext): the variables are exeext, the
321 substitution expression is build_exeext.
323 2000-12-07 Neil Booth <neilb@earthling.net>
325 * c-common.c (parse_in): Make a cpp_reader *.
326 * cppfiles.c (_cpp_fake_include): Remove.
327 * cpphash.h: Similarly.
328 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
329 #line always creates a callback; FC_RENAME if there are no
331 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
332 The first EOF must be our get_char buffer.
334 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
336 * c-common.c (warn_format_security): New variable.
337 (check_format_info): Warn about non-literal formats with no format
338 arguments if either -Wformat-nonliteral or -Wformat-security is
340 (set_Wformat): Set warn_format_security for settings other than 1.
341 * c-common.h (warn_format_security): Declare.
342 * c-decl.c (c_decode_option): Decode -Wformat-security and
343 -Wno-format-security.
344 * invoke.texi: Document -Wformat-security.
345 * toplev.c (documented_lang_options): Include -Wformat-security
346 and -Wno-format-security.
348 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
350 * c-common.c (check_format_info): Warn for non-constant format
351 strings with strftime formats if -Wformat-nonliteral. Where the
352 format can convert arguments, if the format is not a string
353 literal and there are no arguments to the format, give a different
354 warning message from the general non-string-literal case.
356 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
358 * c-common.c (format_wanted_type): Add reading_from_flag.
359 (print_char_table): Mark %s and %S formats with flag "R".
360 (check_format_info_main): Set up reading_from_flag appropriately.
361 If aflag, always set writing_in_flag rather than relying on the
362 format used being a scanf format and so having it set.
363 (check_format_types): Check for formats reading through null
366 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
368 * invoke.texi (-Wformat): Document what format features are
371 2000-12-06 Kazu Hirata <kazu@hxi.com>
373 * config/h8300/h8300.h: Fix formatting.
375 2000-12-06 Joel Sherrill <joel@OARcorp.com>
377 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
378 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
379 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
380 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
381 config/h8300/rtems.h, config/mips/rtems.h: New files.
383 2000-12-06 Mark Kettenis <kettenis@gnu.org>
385 * config.gcc: Reorganize handling of *-*-gnu*, to share target
386 specific make details with Linux. Update comments to clarify
387 the distinction between GNU/Linux and GNU/Hurd.
389 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
391 * contrib.texi: Fix my email address. Update Per's
392 list of contributions.
394 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
396 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
397 * collect2.c (scan_libraries): Remove unused `ch'.
398 (COFF specific stuff): Prototype ldgetname. Declare and prototype
399 ldbtread and ldclose.
401 * config/alpha/osf.h: Standarize copyright statement.
402 * config/arc/arc.h: Likewise.
403 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
404 * config/arm/arm.c config/arm/arm.h: Likewise.
405 * config/elxsi/elxsi.h: Likewise.
406 * config/i386/sco.h: Likewise.
407 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
408 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
409 * config/m68k/sun3.h: Likewise.
410 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
411 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
412 * config/romp/romp.h: Likewise.
413 * config/rs6000/aix41.h: Likewise.
414 * config/sparc/sysv4.h: Likewise.
415 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
416 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
417 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
418 * longlong.h: Likewise.
419 * libgcc2.c: Likewise.
421 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
423 * machmode.def: Use correct definition for BITSIZE on targets where
426 2000-12-06 Bruce Korb <bkorb@gnu.org>
428 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
431 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
433 * pa.c: Include expr.h before c-tree.h.
434 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
435 instead of reverse_condition.
436 (print_operand): Correct predicates for GT, GE, LT and LE. Add
437 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
439 (cmpib_comparison_operator): Add GEU and LTU codes.
440 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
441 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
442 bordered): New float conditional branch patterns.
444 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
446 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
448 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
450 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
451 backslash and newline, when inside a comment.
453 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
455 * invoke.texi: Use @table @samp instead of @itemize @minus for
456 table of language standards. Fix use of @pxref. From Zack
457 Weinberg. Also exclude specs documentation from generated
458 manpage, and create separate ENVIRONMENT section.
460 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
462 * gcse.c (compute_pre_data): Kill trapping expressions in
463 destination blocks of abnormal edges.
465 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
467 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
468 (mn10300_get_live_callee_saved_regs): Likewise.
469 (mn10300_gen_multiple_store): Likewise.
470 (store_multiple_operation): Likewise.
471 (expand_prologue): Use mn10300_gen_multiple_store().
472 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
473 (mn10300_get_live_callee_saved_regs): Likewise.
474 (mn10300_gen_multiple_store): Likewise.
475 (store_multiple_operation): Likewise.
476 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
477 tied to store_multiple_operation().
479 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
481 * builtins.c (expand_builtin_setjmp_setup): Set
482 current_function_has_nonlocal_label.
484 2000-12-05 Neil Booth <neilb@earthling.net>
486 * cppfiles.c (stack_include_file): Push zero-length buffers
487 in case of failure. Return void, as we don't fail any more.
488 (read_include_file): Check for files we shouldn't re-read.
489 Don't return an error code; errors are implied by marking the
491 (_cpp_execute_include): Move the recursion and in-macro checks
492 here. Update for stack_include_file not failing.
493 * cpplib.c (cpp_push_buffer): Always succeed, since
494 _cpp_execute_include performs the recursion check. Tidy up.
495 * cpplib.h (cpp_push_buffer): Update prototype.
497 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
499 * sched-vis.c (visual_tbl_line_length): New variable.
500 (get_visual_tbl_length): Set it.
501 (visualize_stall_cycles): Don't let stalls overrun
502 visual_tbl_line_length.
504 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
506 * global.c (global_conflicts): Allow for a REG_UNUSED note
507 with a different mode to the REG set in the insn.
509 2000-12-05 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
511 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
513 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
515 2000-12-05 Bruce Korb <bkorb@gnu.org>
517 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
520 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
522 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
523 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
524 to cope with aliased copies.
525 * fixinc/fixincl.x: Regenerate.
527 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
529 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
530 * sched-rgn.c: Likewise.
531 (rgn_print_insn): Fix output.
533 2000-12-05 Bruce Korb <bkorb@gnu.org>
535 * fixinc/Makefile.*: make these more consistent
536 * fixinc/mkfixincl.sh: enable BeOS fixincludes
538 2000-12-05 Richard Henderson <rth@redhat.com>
540 * stmt.c (warn_if_unused_value): Move side effects test earlier.
542 2000-12-05 Alan Modra <alan@linuxcare.com.au>
544 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
547 2000-12-05 Richard Henderson <rth@redhat.com>
549 * flow.c (calculate_global_regs_live): Only force stack pointer
550 live before reload. Force pic register live before reload.
551 (insn_dead_p): Don't protect pic references from deletion.
553 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
555 * invoke.texi: Add support for using texi2pod.pl. Don't use
558 2000-12-04 Nick Clifton <nickc@redhat.com>
560 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
561 'tune_flags' for XScale nature.
562 Remove spurious test of HARD_FLOAT and XScale flags.
564 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
565 contraint, accidentally changed during XScale contribution.
567 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
568 not create these functions if the target architecture does not
569 support Thumb instructions.
571 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
573 * ONEWS: New file with the current contents of NEWS up to EGCS
575 * NEWS: Generate automatically from online release notes from EGCS
576 1.0 to GCC 2.95.2, using ../contrib/gennews.
578 2000-12-04 Neil Booth <neilb@earthling.net>
580 * tradcif.y: Move lexptr to top of file. Add rule to handle
581 assertions in conditional expressions.
582 * tradcpp.c (parse_answer): Assertions do not need to go to
583 end of line in conditional directives.
584 (parse_assertion): Get first character of identifiers correct.
585 (test_assertion): New function.
586 * tradcpp.h (test_assertion): New prototype.
588 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
590 * config.gcc: Fix typo for UnixWare 7.
592 2000-12-03 Phil Edwards <pme@sources.redhat.com>
594 * invoke.texi: Replace `pedwarns' with clearer text.
596 2000-12-04 Bruce Korb <bkorb@gnu.org>
598 * fixinc/Makefile.*(clean): don't clean autogenerated files.
599 (mainainer-clean): clean autogenerated files
601 2000-12-04 DJ Delorie <dj@redhat.com>
603 * md.texi: Add overview, clarify match_dup and define_expand.
605 2000-12-04 DJ Delorie <dj@redhat.com>
607 * print-tree.c (print_node): Target-specific builtins print
610 2000-12-04 Jason Merrill <jason@redhat.com>
612 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
615 * diagnostic.c (report_problematic_module): s/function/module/.
617 * c-lex.h: Remove decl for check_newline.
619 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
621 * README.APOLLO: Remove obsolete file.
623 2000-12-04 Neil Booth <neilb@earthling.net>
625 * cppinternals.texi: New file.
627 2000-12-04 Neil Booth <neilb@earthling.net>
629 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
630 and operate on current buffer.
631 (cpp_read_file): Rename _cpp_read_file.
632 * cpplib.c (do_line, do_pragma_system_header): Update calls to
633 cpp_make_system_header.
634 * fix-header.c: Similarly.
635 * cpphash.h (_cpp_read_file): Move from...
636 * cpplib.h: ... here.
637 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
639 2000-12-03 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
641 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
642 Handle another transformation.
644 2000-12-03 Nick Clifton <nickc@redhat.com>
646 * config.gcc: Add support for StrongARM targets.
647 * config/arm/t-strongarm-elf: New file.
648 * config/arm/t-strongarm-coff: New file.
649 * config/arm/t-strongarm-pe: New file.
650 * config/arm/strongarm-pe.h: New file.
652 2000-12-03 Nick Clifton <nickc@redhat.com>
654 * NEWS: Mention XScale has been added.
655 * config.gcc: Add support for XScale targets.
656 * config/arm/arm.h: Add support for XScale processor.
657 * config/arm/arm.c: Add support for XScale processor.
658 * config/arm/arm.md: Add support for XScale processor.
659 * config/arm/t-xscale-elf: New file.
660 * config/arm/t-xscale-coff: New file.
661 * config/arm/xscale-elf.h: New file.
662 * config/arm/xscale-coff.h: New file.
664 2000-12-03 Richard Henderson <rth@redhat.com>
666 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
667 unless exception handling is enabled, and if not using sjlj.
669 * builtins.c (expand_builtin_setjmp_setup): New.
670 (expand_builtin_setjmp_receiver): New.
671 (expand_builtin_setjmp): Split out _setup and _receiver functions.
672 Move argument parsing in from ...
673 (expand_builtin): ... here.
674 * except.c (receive_exception_label): Branch around receiver
675 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
676 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
677 * expr.h: Update builtin setjmp decls.
679 2000-12-03 Bruce Korb <bkorb@gcc.org>
681 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
682 build machine name. Default to the target.
684 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
686 * Makefile.in: use $(build_canonical), not $(canonical_build).
688 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
690 * Makefile.in (OBJS): Add sched-rgn.o.
691 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
693 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
694 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
695 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
696 MAX_BLOCKAGE_COST): Move to sched-int.h.
697 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
698 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
699 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
700 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
701 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
702 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
703 debug_regions, find_single_block_region, find_rgns, too_large,
704 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
705 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
706 extract_bitlst, bblst, struct candidate, candidate_table,
707 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
708 SRC_PROB, target_bb, split_edges, compute_trg_info,
709 debug_candidate, debug_candidates, bbset, bbset_size, dom,
710 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
711 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
712 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
713 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
714 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
715 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
716 update_live, set_spec_fed, is_pfree, find_conditional_protection,
717 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
718 is_prisky, is_exception_free, add_branch_dependences,
719 propagate_deps, compute_block_backward_dependences,
720 debug_dependencies, is_cfg_nonregular, build_control_flow,
721 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
722 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
723 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
724 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
725 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
726 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
727 rgn_rank, region_sched_info): Move to sched-rgn.c.
728 (debug_reg_vector): Delete useless function.
729 (get_bb_head_tail): Likewise.
730 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
731 no_real_insns_p, rm_line_notes, save_line_notes,
732 restore_line_notes, rm_redundant_line_notes, sched_init): No
734 (rm_line_notes, save_line_notes, restore_line_notes,
735 schedule_block, set_priorities): Change argument to be a real
736 basic block, not one of haifa's "bb"s. All callers changed
737 (rm_other_notes): Initialize note_list here, not in
739 (sched_finish): New function, called from schedule_insn. * *
740 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
741 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
742 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
743 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
744 (get_block_head_tail, no_real_insns_p, rm_line_notes,
745 save_line_notes, restore_line_notes, rm_redundant_line_notes,
746 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
747 sched_init, sched_finish, ready_add, insn_cost): Declare.
749 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
750 Bruce Korb <bkorb@gnu.org>
752 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
753 * fixinc/mkfixinc.sh: accept build system name as an argument.
754 Use it for choosing the fix build method. Use the target for
755 selecting special fix rules.
757 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
759 * Makefile.in (OBJS): Add sched-deps.o.
760 (sched-deps.o): New rule.
761 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
763 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
765 (SIZE_FOR_MODE): Delete unused macro.
766 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
767 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
768 anti_dependency_cache, output_dependency_cache,
769 forward_dependency_cache): Variables moved to sched-deps.c.
770 (add_dependence, remove_dependence, find_insn_list,
771 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
772 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
773 sched_analyze, group_leader, compute_forward_dependences,
774 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
775 Functions moved to sched-deps.c.
776 (schedule_region): Call init_deps_global and finish_deps_global
777 instead of directly manipulating dependency data structures.
778 * sched-deps.c: New file.
779 (init_deps_global, finish_deps_global): New functions.
780 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
783 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
786 * Makefile.in (OBJS): Add sched-vis.o.
787 (sched-vis.o): New rule.
788 * haifa-sched.c (get_unit_last_insn): New function.
789 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
791 (schedule_block): Call visualize_alloc and visualize_free. Delete
792 spurious return statement.
793 (init_target_units, insn_print_units, get_visual_tbl_length,
794 init_block_visualization, print_block_visualization, safe_concat,
795 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
796 print_exp, print_value, print_pattern, print_insn, target_units,
797 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
798 n_vis_no_unit, vis_no_unit): Move scheduling visualization
799 functions/variables...
800 * sched-vis.c: ...here. New file.
801 (visualize_alloc, visualize_free): New functions.
802 (visualize_scheduled_insns, visualize_stall_cycles,
803 print_block_visualization): Lose basic block argument. All callers
805 (visualize_scheduled_insns): Use new function get_unit_last_insn.
806 * sched-int.h (current_sched_info, sched_dump): Declare.
807 (init_target_units, insn_print_units, init_block_visualization,
808 print_block_visualization, visualize_scheduled_inns,
809 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
810 visualize_free): Declare functions.
812 * sched-int.h: New file.
813 * Makefile.in (haifa-sched.o): Depend on it.
814 * haifa-sched.c: Include it.
815 (no_real_insns_p): New function.
816 (current_sched_info): New static variable.
817 (__inline, HAIFA_INLINE): Moved to sched-int.h.
818 (get_block_head_tail): Minor cleanup.
819 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
820 rgn_print_insn, rgn_rank): New functions, broken out of
821 rank_for_schedule, schedule_insn and schedule_block, where they
822 are now called through function pointers in current_sched_info.
823 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
824 print_insn): To display uid and block number, call the print_insn
825 function pointer in current_schedule_info.
826 (region_sched_info): New static variable.
827 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
828 variables, moved out of schedule_block.
829 (schedule_block): Return void. All callers changed.
830 Move some of the setup code into schedule_region. Get head/tail
831 from current_sched_info, and update it when done.
832 (schedule_region): Slightly rearranged, some code moved here from
833 schedule_block. Call no_real_insns_p to avoid doing work for a
834 block that consists only of notes and labels.
835 (schedule_insns): Initialize current_sched_info.
837 2000-12-03 Neil Booth <neilb@earthling.net>
839 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
840 by contexts drops AFTER argument pre-expansion, so that they
841 remain enabled during argument pre-expansion.
842 (_cpp_pop_context): Unconditionally re-enable a macro when
843 dropping a context level.
845 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
847 * arm/t-linux (MULTILIB_OPTIONS): Comment.
848 (MULTILIB_DIRNAMES): Likewise.
849 (EXTRA_MULTILIB_PARTS): Likewise.
851 (INSTALL_LIBGCC): Likewise.
853 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
855 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
856 expand_builtin_strspn, expand_builtin_strcspn): New functions.
857 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
858 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
860 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
861 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
863 * c-common.c (c_common_nodes_and_builtins): Declare builtin
864 strcat, strncat, strspn and strcspn.
865 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
867 * extend.texi (strcat, strcspn, strncat, strspn): Document new
870 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
873 expanding strcmp at compile-time. Add another transformation.
874 (expand_builtin_strncmp): Add more transformations. Call
875 expand_builtin_memcmp, not expand_builtin_strcmp, under
876 appropriate conditions if HAVE_cmpstrsi.
878 2000-12-02 David Edelsohn <edelsohn@gnu.org>
880 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
882 (cr logic): Really make operands sequential.
884 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
886 * c-common.c (combine_strings): When the ISO C standard specifies
887 the maximum length of a string, it doesn't include the trailing
890 * cpplib.c (do_ifdef): Add check_eol() call.
891 (do_ifndef): Likewise.
893 2000-12-02 Daniel Berlin <dberlin@redhat.com>
894 Bruce Korb <bkorb@gnu.org>
896 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
897 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
898 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
899 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
900 use the "__need_" hackery. It breaks them.
901 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
902 Sometimes on DOS and BeOS the temp output file cannot be opened.
903 Skip the file noisily. Ought to be fixed instead.
905 2000-12-02 Bruce Korb <bkorb@gnu.org>
907 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * fixfixes.c (emit_gnu_type, format_write): Prototype.
910 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
911 custom uppercase ctype macros.
912 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
913 Use gcc's custom uppercase ctype macros.
915 (machine_matches): Add static prototype and constify variable.
916 (create_file, test_test, egrep_test): Add static prototype.
917 (quoted_file_exists): Likewise, and constify parameters.
918 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
919 write_replacement, test_for_changes): Add static prototype.
920 (write_replacement, test_for_changes): Delete excess argument to
922 * fixtests.c (test): Make static.
923 * server.c (load_data, sig_handler, server_setup, find_shell): Add
925 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
927 2000-12-02 Bruce Korb <bkorb@gnu.org>
929 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
930 (per Laurynas Biveinis <lauras@softhome.net>)
932 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
934 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
936 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
937 (REGNO_OK_FOR_FOR_BASE_P): Delete.
938 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
939 both strict and non-strict uses.
940 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
941 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
942 (REG_OK_FOR_INDEX_P): Define in terms of above.
943 (REG_OK_FOR_BASE_P): Delete.
944 (REG_OK_FOR_PRE_POST_P): Delete.
945 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
946 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
947 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
948 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
949 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
950 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
951 in pre/post increment cases.
952 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
953 (ARM_LEGITIMIZE_ADDRESS): Similarly.
954 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
955 * arm.c (legitimate_pic_address): Similarly.
957 2000-12-02 Neil Booth <neilb@earthling.net>
959 * tradcpp.c (struct answer, parse_assertion, parse_answer,
960 canonicalize_text, find_answer): New.
961 (do_assert, do_unassert): Provide appropriate function bodies.
962 (union hashval): New member answers.
964 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
966 * config/avr/avr.md: Document UNSPEC usage.
967 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
968 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
969 MEM for program memory word reference. Do not add the label to
970 the table index in each of the asm output templates, instead ...
971 (casesi): ... do it in RTL. Adjust to match the above change.
973 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
975 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
976 * c-decl.c: ... not here.
978 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
979 (old_max_uid): New variable.
980 (compute_forward_dependences): Renamed from
981 compute_block_forward_dependences; changed to accept block head and
982 tail instead of block number. Caller changed.
983 (free_deps, init_dependency_caches, free_dependency_caches,
984 init_regions, sched_init): New functions, split out from
985 schedule_insns and compute_block_backward_dependences.
987 2000-12-02 Neil Booth <neilb@earthling.net>
989 * cppexp.c (parse_number): Update diagnostic test.
991 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
993 * reload1.c (free_for_value_p): New function, frontend to
994 reload_reg_free_for_value_p. All callers of the latter now call
995 this function with an additional mode argument.
997 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
999 * install.texi (Configurations): Remove obsolete documentation for
1002 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1004 * install.texi (Installation): Remove obsolete description for
1005 libstdc++ which is now an integral part of GCC.
1007 2000-12-01 Jim Blandy <jimb@redhat.com>
1009 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
1010 invisible reference in registers, but then spilled to the stack.
1011 Remove code to emit a second stab for such parameters; it attempts
1012 to describe the value's location by introducing a synthetic C++
1013 `reference' type, and then saying the stack slot has that
1014 reference type. This loses type information (breaking GDB's
1015 `ptype' command, among other things) just to describe a location
1016 which stabs can represent correctly in other ways.
1018 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1020 * final.c (output_addr_const) <PLUS>: Don't assume at least one
1021 operand is a CONST_INT.
1023 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
1024 (machine_dependent_reorg): Split all insns.
1025 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
1026 reg_class_contents[SIBCALL_REGS].
1027 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
1028 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
1029 call_value_pcrel, call, call_value, sibcall): Match even when
1031 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
1033 (sibcalli): Likewise.
1035 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1037 * c-common.c (warn_format, warn_format_y2k,
1038 warn_format_extra_args, warn_format_nonliteral): Define.
1039 (check_format_info): Check warn_format_nonliteral and
1040 warn_format_extra_args.
1041 (check_format_info_main): Check warn_format_y2k.
1042 (set_Wformat): New function.
1043 * c-common.h (warn_format_y2k, warn_format_extra_args,
1044 warn_format_nonliteral, set_Wformat): Declare.
1045 * c-decl.c (warn_format): Remove definition.
1046 (c_decode_option): Handle -Wformat-nonliteral,
1047 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
1049 * invoke.texi: Document these new options and -Wformat=2.
1050 * toplev.c (documented_lang_options): Add these new options.
1052 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1054 * builtins.def (BUILT_IN_IMAXABS): Add.
1055 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
1056 * c-common.c (c_common_nodes_and_builtins): Create builtin
1057 functions __builtin_imaxabs, and plain imaxabs unless
1058 flag_no_nonansi_builtin outside C99 mode.
1059 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
1060 * extend.texi: Document builtin imaxabs.
1062 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1064 * c-common.c: Include "defaults.h".
1065 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
1066 (c_common_nodes_and_builtins): Create string_type_node,
1067 const_string_type_node, wint_type_node, intmax_type_node,
1068 uintmax_type_node, default_function_type, ptrdiff_type_node and
1069 unsigned_ptrdiff_type_node.
1070 * c-common.h (identifier_global_value): Declare.
1071 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
1072 (init_decl_processing): Don't create string_type_node,
1073 const_string_type_node, wint_type_node, intmax_type_node,
1074 uintmax_type_node, default_function_type, ptrdiff_type_node and
1075 unsigned_ptrdiff_type_node.
1076 (identifier_global_value): New function.
1078 2000-12-01 Neil Booth <neilb@earthling.net>
1080 * cppinit.c (initialize): Forgotten prototype.
1081 * cpplex.c (_cpp_lex_token): Loop until not skipping.
1082 Always clear PREV_WHITE upon meeting a new line.
1083 * cpplib.c (end_directive): Set pfile->skipping after
1085 * cpplib.h (cpp_reader): Remove macro_pos.
1086 * cppmacro.c (cpp_get_line): Don't do anything special inside
1088 (parse_arg): Add PREV_WHITE if a token appears after new lines.
1089 (funlike_invocation_p): Save and restore the output position
1090 over a successful check for a '('.
1091 (enter_macro_context): Delete uses of macro_pos.
1092 (cpp_get_token): Don't use pfile->skipping.
1094 2000-12-01 Phil Edwards <pme@sources.redhat.com>
1096 * diagnostic.c: Fix typos in comments.
1097 * diagnostic.h: Likewise.
1099 2000-11-30 Phil Edwards <pme@sources.redhat.com>
1101 * rtl.texi (Machine Modes): Document BImode and OImode.
1103 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1105 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
1108 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
1110 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
1111 incomplete element type.
1112 (grokparms): Before checking for incomplete parameter type, check
1113 the type isn't error_mark_node.
1115 2000-12-01 Jakub Jelinek <jakub@redhat.com>
1117 * builtins.c (target_char_cast): New function.
1118 (expand_builtin_strchr): Use it.
1119 (expand_builtin_strrchr): Use it.
1120 (builtin_memset_read_str): New function.
1121 (expand_builtin_memset): Use target_char_cast.
1122 Try to optimize memset with second argument non-zero using
1125 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
1127 * install.texi (avr): Replace incomplete list of supported MCU
1128 types with a link to the current one ...
1129 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
1130 all supported MCU types. Document -minit-stack= default.
1131 Document new options -mno-tablejump, -mtiny-stack.
1132 * md.texi (AVR family): Fix typo in 'w' constraint letter
1133 description. Document 'q'. Update 'O'.
1135 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
1137 * combine.c (cant_combine_insn_p): Only disallow insns involving
1138 hard regs if they are reg-reg moves.
1139 (try_combine, can_combine_p, combinable_i3pat): Delete old
1140 SMALL_REGISTER_CLASSES tests.
1142 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
1144 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
1145 whether X is a CONST_INT.
1146 (addsubcosts): Likewise.
1148 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
1150 (ARG_POINTER_REGNUM): Set to AP_REG.
1152 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1154 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
1155 splits): Only match on TARGET_SH4.
1157 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
1158 of subsequent insns.
1160 2000-11-30 Richard Henderson <rth@redhat.com>
1162 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
1163 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1165 2000-11-30 Richard Henderson <rth@redhat.com>
1167 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
1168 (DO_SELECT_SECTION): New.
1169 (SELECT_SECTION): Use it.
1170 (UNIQUE_SECTION_P): New.
1171 (UNIQUE_SECTION): New.
1173 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
1175 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
1176 from va_list before using it.
1178 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
1180 * flow.c (make_edge): Early out, if no flags to set.
1181 (calculate_global_regs_live): Clear out garbage only when necessary.
1183 * simplify-rtx.c (varray_type used_regs): New.
1184 (clear_table): Use it to only clear necessary items.
1185 (cselib_lookup, cselib_record_set): Remember newly set items.
1186 (cselib_update_varray_sizes, cselib_init): Initialize and grow
1189 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
1190 Move clearing of dead regs out of insn-loop.
1192 2000-11-30 Richard Henderson <rth@redhat.com>
1194 * calls.c (expand_call): Emit queued insns before creating
1195 the tail recursion sequence.
1197 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
1198 Bruce Korb <bkorb@gnu.org>
1200 * fixinc/inclhack.def(): prevent dual double definition protection
1201 * fixinc/fixincl.x: regenerate
1203 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
1205 * fixinc/Makefile.in (fixincl.x): Explicitly state the
1206 location of the generated file.
1208 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1210 * README.FRESCO: Remove obsolete file.
1212 2000-11-30 Mark Kettenis <kettenis@gnu.org>
1214 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
1215 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
1216 config/t-linux for the Hurd.
1218 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1220 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
1221 config/mn10200/udivmodsi4.c: Moved from here.
1222 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
1223 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
1224 C division functions.
1225 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
1227 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
1229 * pa.md (conditional moves): Avoid holes in operand list.
1230 (mod, umod patterns): Similarly.
1231 (variable extract/shift patterns): Similarly.
1233 2000-11-30 Neil Booth <neilb@earthling.net>
1235 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
1236 maybe_objc_check_decl, build_objc_string_object,
1237 objc_declare_alias, objc_declare_class, build_message_expr,
1238 build_protocol_expr, build_selector_expr, build_encode_expr,
1239 get_class_ivars, start_class, start_protocol): Remove
1240 redundant code, assuming doing_objc_thang is true.
1242 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1244 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
1245 (record_unscaled_index_insn_codes): Likewise.
1246 (unscaled_index_insn_codes): Delete.
1247 (max_unscaled_index_insn_codes_uid): Delete.
1248 (output_function_prologue, output_function_epilogue, pa_reorg):
1249 Don't use the unscaled index insn hack.
1251 * pa.md: Remove hack from all index insns to reverse the operand
1252 order of frame and stack pointer references incorrectly created
1255 * function.h (emit_status): Delete member regno_pointer_flag and
1256 rename regno_pointer_flag_length to regno_pointer_align_length.
1257 Delete define for REGNO_POINTER_FLAG.
1258 * integrate.h (inline_remap): Delete member regno_pointer_flag.
1259 Add member x_regno_reg_rtx.
1260 * rtl.h (rtx_def): Use frame_related bit to indicate register is
1261 a pointer in REG expressions. Define REG_POINTER macro.
1262 * alias.c (find_base_value, find_base_term): Use REG_POINTER
1263 instead of REGNO_POINTER_FLAG.
1264 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
1265 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
1266 of regno_pointer_flag_length. Remove code which refers to
1268 (mark_reg_pointer): Use REG_POINTER.
1269 (free_emit_status): Remove code which refers to regno_pointer_flag.
1270 (init_emit, mark_emit_status): Likewise.
1271 * flow.c (dump_flow_info): Likewise.
1272 * function.c (preserve_temp_slots): Likewise.
1273 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
1274 Use x_regno_reg_rtx instead of regno_pointer_flag for function
1275 pointer determination in map.
1276 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
1277 * predict.c (estimate_probability): Likewise.
1278 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
1279 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
1280 regno_pointer_flag for function pointer determination in map.
1281 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
1283 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
1285 (restore_unscaled_index_insn_codes): Revise comment.
1287 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
1289 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
1291 * extend.texi: Update documentation for attributes.
1293 2000-11-29 David O'Brien <obrien@FreeBSD.org>
1295 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
1296 (ASM_DECLARE_OBJECT_NAME): Same.
1297 (ASM_FILE_END): Same.
1298 (ASM_FINISH_DECLARE_OBJECT): Same.
1299 (ASM_IDENTIFY_GCC): Same.
1300 (ASM_IDENTIFY_LANGUAGE): Same.
1301 (ASM_OUTPUT_CONSTRUCTOR): Same.
1302 (ASM_OUTPUT_DEF): Same.
1303 (ASM_OUTPUT_DESTRUCTOR): Same.
1304 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
1305 (ASM_OUTPUT_SECTION_NAME): Same.
1306 (ASM_WEAKEN_LABEL): Same.
1307 (BSS_SECTION_ASM_OP): Same.
1308 (COMMON_ASM_OP): Same.
1309 (CONST_SECTION_ASM_OP): Same.
1310 (CONST_SECTION_FUNCTION): Same.
1311 (CTORS_SECTION_ASM_OP): Same.
1312 (DTORS_SECTION_ASM_OP): Same.
1314 (FINI_SECTION_ASM_OP): Same.
1315 (IDENT_ASM_OP): Same.
1316 (IDENT_ASM_OP): Same.
1317 (INIT_SECTION_ASM_OP): Same.
1319 (MAX_OFILE_ALIGNMENT): Same.
1320 (SBSS_SECTION_ASM_OP): Same.
1321 (SDATA_SECTION_ASM_OP): Same.
1322 (SECTION_FUNCTION_TEMPLATE): Same.
1323 (SELECT_SECTION): Same.
1324 (SE_CONST_SECTION): Same.
1325 (SIZE_ASM_OP): Same.
1326 (SKIP_ASM_OP): Same.
1327 (STRING_ASM_OP): Same.
1328 (STRING_LIMIT): Same.
1329 (TYPE_ASM_OP): Same.
1330 (TYPE_OPERAND_FMT): Same.
1332 2000-11-29 Neil Booth <neilb@earthling.net>
1334 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1335 * objc/lang-options.h: Remove -lang-objc.
1336 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1337 * objc/objc-act.c (lang_init_options): Set c_language.
1339 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1341 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1344 2000-11-29 Neil Booth <neilb@earthling.net>
1346 * c-pragma.c (init_pragma): Update for parse_in type change.
1348 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1350 * configure.in: recognize DOS-style absolute paths.
1352 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1354 * expr.h (store_by_pieces): Add prototype.
1355 (can_store_by_pieces): Likewise.
1356 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1357 (can_store_by_pieces): New.
1358 (store_by_pieces): New.
1359 (clear_by_pieces): New.
1360 (clear_by_pieces_1): New.
1361 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1362 arbitrary compiler generated constants into memory block.
1363 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1364 * builtins.c (c_readstr): New.
1365 (builtin_memcpy_read_str): New.
1366 (expand_builtin_memcpy): If src is string constant and
1367 emit_block_move would move it by pieces, compute integer constants
1368 from the string and store it into memory block instead.
1369 (builtin_strncpy_read_str): New.
1370 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1371 not return INTEGER_CST, don't optimize.
1372 If N is larger than strlen(src) + 1, try to copy the string
1373 including padding with store_by_pieces.
1374 (expand_builtin_strcmp): If both arguments have side effects, don't
1376 (expand_builtin_fputs): If STR has side effects, don't optimize.
1378 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1380 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1381 Add use of link register.
1383 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1385 * extend.texi: Update documentation for default format attributes.
1387 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1389 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1390 a list, to keep track of the sections.
1392 2000-11-28 Nick Clifton <nickc@redhat.com>
1394 * config/arm/arm.md (pic_load_addr): Split into
1395 pic_load_addr_arm and pic_load_addr_thumb.
1397 * config/arm/arm.c (legitimize_pic_address): Generate either
1398 ARM or Thumb versions of pic_load_addr.
1399 (arm_finalize_pic): Generate either ARM or Thumb versions of
1402 2000-11-28 Richard Henderson <rth@redhat.com>
1404 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1405 after sibcall do_pending_stack_adjust.
1407 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1409 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1412 2000-11-28 Neil Booth <neilb@earthling.net>
1414 * c-common.h: Remove flag_digraphs.
1415 * c-decl.c: Remove flag_digraphs.
1416 (c_decode_option): Don't set it.
1417 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1419 2000-11-28 Richard Henderson <rth@redhat.com>
1421 * c-parse.in (finish_parse): Update for parse_in type change.
1424 2000-11-28 Neil Booth <neilb@earthling.net>
1426 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1427 indicating whether to scan all buffers on the stack or
1429 * cppinit.c (do_includes): Update.
1430 * cppmain.c (main): Update.
1431 * cpplib.h: Update prototype.
1433 2000-11-28 Richard Henderson <rth@redhat.com>
1435 * genoutput.c (validate_insn_operands): New.
1436 (gen_insn): Call it.
1438 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1439 (divmoddi_internal): Likewise.
1440 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1441 * config/i960/i960.md (branch patterns): Likewise.
1442 * config/ia64/ia64.md (tbit_and_0): Likewise.
1443 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1444 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1445 * config/mips/mips.md (divmodsi4_internal): Likewise.
1446 (divmoddi4_internal): Likewise.
1447 * config/rs6000/rs6000.md (call patterns): Likewise.
1448 * config/sh/sh.md (movsi_y): Likewise.
1449 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1451 2000-11-28 Richard Henderson <rth@redhat.com>
1453 * config.gcc: Kill residual pyramid support.
1455 2000-11-28 Neil Booth <neilb@earthling.net>
1457 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
1458 * c-decl.c (c_decode_option): Update to match.
1459 * c-lex.c (init_c_lex, yyparse): Update to match.
1460 * c-lang.c (lang_init_options): Use cpp_create_reader.
1461 * cppinit.c (cpp_init): Rename initialize.
1462 (cpp_reader_init): Rename cpp_create_reader. Create the
1463 reader. Initialize cpplib if appropriate.
1464 * cpplib.h (cpp_create_reader) New prototype.
1465 (cpp_init, cpp_reader_init): Delete prototypes.
1466 * cppmain.c (general_init, setup_callbacks): New functions.
1468 * fix-header.c (scan_in): Change type to cpp_reader *.
1469 (read_scan_file): Update for new cpplib interface and scan_in type.
1471 * cp/decl.c (parse_in): Change to cpp_reader *.
1472 (lang_decode_option): Update.
1473 * cp/lex.c (lang_init_options): Use new cpplib interface.
1474 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
1475 * cp/spew.c (read_token): Update.
1476 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
1478 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1480 * loop.c (load_mems): Avoid using next_label to find end_label. If
1481 jumping outside of the loop (other than loop end), don't hoist MEMs
1484 2000-11-28 Jan Hubicka <jh@suse.cz>
1486 * calls.c (expand_call): Don't disable tail recursion based
1489 2000-11-28 Neil Booth <neilb@earthling.net>
1491 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
1492 (struct directive): Drop 4th argument from handlers.
1493 (do_define, do_line, do_include, do_undef, do_else, do_elif,
1494 do_endif): Similarly.
1495 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
1496 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
1497 (make_definition, make_undef): Take a const char*.
1498 (make_assertion): New function.
1499 (struct directive_table): Update.
1500 (main): Handle -A command line argument.
1501 (handle_directive): Drop fourth handler argument.
1503 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
1505 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
1506 is anything but REG or MEM, but look inside STRICT_LOW_PART.
1508 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1510 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
1511 (IS_ABSOLUTE_PATHNAME): New macro.
1512 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
1514 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1516 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
1518 2000-11-27 Jim Wilson <wilson@redhat.com>
1520 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
1522 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
1524 * extend.texi (Nested Functions): Update URL of Usenix paper.
1526 2000-11-27 Mark Mitchell <mark@codesourcery.com>
1528 * function.c (free_after_compilation): Clear x_clobber_return_insn.
1530 2000-11-27 Neil Booth <neilb@earthling.net>
1532 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
1533 command line options.
1534 (cpp_handle_option): Similarly.
1535 * cpplib.h (struct cpp_options): Remove warn_paste.
1536 * cppmacro.c (paste_tokens): Apart from assembler, make
1537 unpasteable token warning mandatory.
1539 2000-11-27 Neil Booth <neilb@earthling.net>
1541 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
1542 (main): Allocate a pending directive set of these. Use it.
1543 Merge handling of -D and -U. Update handling of pending
1544 directives. Free the memory after use.
1546 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1548 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
1549 (struct propagate_block_info): Add new member cond_local_set.
1550 (propagate_block): Accept new arg cond_local_set. All callers
1552 (init_propagate_block_info): Likewise.
1553 (calculate_global_regs_live): Allocate & free cond_local_set. Always
1554 rescan if there's overlap between cond_local_set and new_live_at_end.
1555 (mark_set_1): Set bits either in cond_local_set or local_set, as
1557 * basic-block.h (struct basic_block_def): New field cond_local_set.
1558 (propagate_block, init_propagate_block_info): Update prototypes.
1560 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
1562 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
1565 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1567 * arm.c (select_dominance_cc_mode): Handle new way that combine
1568 canonicalizes conditional compares.
1569 (arm_select_cc_mode): Likewise.
1570 * arm.md: Garbage collect some dead code.
1571 (cmp_and, cmp_ior): New patterns.
1572 (splitter for conditional move with inverted false): Use cond_exec
1573 and handle unordered comparisons.
1575 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
1577 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
1578 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
1579 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
1580 ix86_force_to_memory and ix86_free_from_memory.
1582 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1584 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
1585 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
1586 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
1587 one_cmpldi2): Merge with splitters to create define_insn_and_split
1588 patterns. Remove redundant splits.
1589 (peephole2 for add:SI of invalid immediate): New.
1590 (peephole2 for minus:SI of invalid immediate): New.
1591 (peephole2 for ior:SI of invalid immediate): New.
1592 (peephole for merge of move and compare): Convert ot peephole2.
1593 (addsf3, adddf3): Mark as commutative.
1595 * arm.md (thumb peephole for merging stack adjustments): Convert to
1598 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1600 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
1602 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
1603 (reload_cse_simplify_operands): Do nothing about operands where both
1604 the operand and the match_operand fail to give us a mode.
1605 * simplify-rtx.c (wrap_constant): New function.
1606 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
1607 CONST describing the proper mode.
1608 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
1610 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
1611 htab_find_slot_with_hash.
1612 (cselib_lookup): Likewise.
1614 Based on a patch from Geoff Keating <geoffk@redhat.com>:
1615 * loop.c (basic_induction_var): If a REG is set from something
1616 that is not a biv, then the REG is not a biv. Even if it is
1617 earlier set from something that is a biv.
1619 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
1621 * configure.in (extra_objs): Enclose extra_headers in quotes.
1622 * configure: Rebuilt.
1624 2000-11-27 Neil Booth <neilb@earthling.net>
1626 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
1627 Combine into the new function cb_change_file.
1628 (init_c_lex): Update.
1629 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
1630 (cpp_syshdr_flags): Delete.
1631 * cpphash.h (_cpp_do_file_change): New prototype.
1632 Move struct cpp_buffer here from...
1633 * cpplib.h (struct cpp_buffer): ... here.
1634 (enum cpp_fc_reason, struct cpp_file_loc,
1635 struct_cpp_file_change, change_file): New.
1636 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
1637 * cpplib.c (do_line): Update for new cb_change_file callback.
1638 (_cpp_do_file_change): New function.
1639 (_cpp_pop_buffer): Update to use it.
1640 * cppmain.c (move_printer): Delete.
1641 (main): Set up single callback cb_change_file.
1642 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
1643 (cb_change_file): New.
1644 * fix-header.c (cur_file, cb_change_file): New.
1645 (recognized_function, read_scan_file): Update.
1646 * scan-decls.c (scan_decls): Update.
1647 * scan.h (recognized_function): Update prototype.
1649 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1651 * tree.h (mark_tree_hashtable): New function.
1652 * tree.c (mark_tree_hashtable_entry): New function.
1653 (mark_tree_hashtable): Likewise.
1655 2000-11-27 Michael Meissner <meissner@redhat.com>
1657 * d30v-protos.h (srelational_si_operator): Correctly spell
1659 (urelational_si_operator): Ditto.
1660 (relational_si_operator): Ditto.
1661 (d30v_expand_prologue): Add prototype.
1662 (d30v_expand_epilogue): Ditto.
1664 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
1666 * d30v.md (movcccc_*): Delete now unused patterns.
1667 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
1669 (define_cond_exec): Use 'b' to select branch flags.
1671 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1673 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
1675 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
1677 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
1679 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1680 strncpy and strncmp.
1682 * extend.texi (strncmp, strncpy): Document new builtins.
1684 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1686 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1687 a list, to keep track of the sections.
1688 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
1689 parameter provided will always be a canonical string.
1691 2000-11-26 Neil Booth <neilb@earthling.net>
1693 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
1696 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
1698 * makefile.vms: Remove EGCS references.
1700 2000-11-26 Ulrich Drepper <drepper@redhat.com>
1702 * dwarf2out.c (output_file_names): New function. Compute minimal
1703 combination of directory and file name table and emit them.
1704 (output_line_info): Remove code to emit directory and file name
1705 table and call output_file_names instead.
1706 (file_info_cmp): Helper function to sort directory names.
1708 2000-11-26 Neil Booth <neilb@earthling.net>
1710 * cpplib.h (struct cpp_reader): Remove lang_asm.
1711 (struct cpp_options): Remove c89. New members lang,
1713 * cppexp.c (parse_number): Use them.
1714 * cpphash.h (VALID_SIGN): Use them.
1715 * cppinit.c (set_lang, cpp_start_read): Update.
1716 * cpplex.c (parse_string, _cpp_lex_token): Update.
1717 * cpplib.c (_cpp_handle_directive): Update.
1718 * cppmacro.c (parse_args): Update.
1719 * cppmain.c (scan_buffer): Update.
1721 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1723 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
1726 2000-11-26 Neil Booth <neilb@earthling.net>
1728 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
1729 * c-decl.c: Remove parse_in declaration.
1730 * c-lang.c: Similarly.
1731 * c-lex.c: Similarly.
1732 * c-parse.in: Similarly.
1733 * c-pragma.c: Similarly.
1734 * configure.in: Similarly.
1735 * cp/Make-lang.in: Similarly.
1736 * cp/spew.c: Similarly.
1737 * cp/decl2.c: Remove check for lang-c++ option.
1738 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
1739 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
1740 * c-lex.h: Add declaration of parse_in.
1741 * cppinit.c: Call set_lang after allocating pfile->pending.
1742 * configure: Regenerate.
1744 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
1746 * combine.c (try_combine): Remove redundant test.
1748 2000-11-25 Richard Henderson <rth@redhat.com>
1750 * c-common.h (DECL_C_HARD_REGISTER): New.
1751 * c-decl.c (finish_decl): Set it for asm register variables.
1752 * c-semantics.c (emit_local_var): Test it when instantiating one.
1754 2000-11-25 Richard Henderson <rth@redhat.com>
1756 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
1757 lineno for the start of the function.
1759 2000-11-25 Richard Henderson <rth@redhat.com>
1761 * dwarf2out.c (file_table, file_table_allocated): Remove.
1762 (file_table_allocated): Remove.
1763 (struct file_table): New.
1764 (decl_file_table, line_file_table): New.
1765 (print_dwarf_line_table): Use them.
1766 (size_of_line_prolog): Likewise.
1767 (output_line_info): Likewise.
1768 (add_src_coords_attributes): Likewise.
1769 (gen_subprogram_die): Likewise.
1770 (gen_variable_die): Likewise.
1771 (dwarf2out_add_library_unit_info): Likewise.
1772 (dwarf2out_line): Likewise.
1773 (lookup_filename): Take a struct file_table argument.
1774 (init_file_table): New.
1775 (dwarf2out_init): Use it.
1777 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
1779 * invoke.texi: Update sequence points references.
1781 2000-11-25 Neil Booth <neilb@earthling.net>
1783 * c-common.c: Remove USE_CPPLIB conditional inclusions.
1784 * c-common.h: Similarly.
1785 * c-decl.c: Similarly.
1786 * c-lang.c: Similarly.
1787 * c-lex.c: Similarly.
1788 * c-parse.in: Similarly.
1789 * c-pragma.c: Similarly.
1790 * c-pragma.h: Similarly.
1792 * toplev.c: Similarly.
1793 * cp/cp-tree.h: Similarly.
1794 * cp/decl2.c: Similarly.
1795 * cp/lang-specs.h: Similarly.
1796 * cp/lex.c: Similarly.
1797 * cp/lex.h: Similarly.
1798 * cp/spew.c: Similarly.
1799 * java/lang-options.h: Similarly.
1800 * objc/lang-specs.h: Similarly.
1801 * objc/objc-act.c: Similarly.
1803 * configure.in: Remove configure option.
1804 * config.in: Regenerate.
1805 * configure: Regenerate.
1807 2000-11-25 Richard Henderson <rth@redhat.com>
1809 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
1810 Revert 2000-11-22 change.
1812 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
1814 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
1817 2000-11-25 Philipp Thomas <pthomas@suse.de>
1818 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
1819 * configure: Rebuilt.
1821 2000-11-25 Jakub Jelinek <jakub@redhat.com>
1823 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
1824 Handle CONST_INT as second argument.
1825 * config/sparc/sparc.c (set_extends): Remove first argument.
1826 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
1828 (sparc_check_64): Abort if first argument is not REG.
1829 If it is DImode REG, look at the lower register of the register
1832 * config/sparc/sparc.c (load_pic_register, restore_regs,
1833 output_return, sparc_v8plus_shift, sparc_function_profiler,
1834 sparc_function_block_profiler, sparc_block_profiler): Fix output
1837 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
1839 * config/sh/sh.h (TARGET_NONE): New.
1840 (TARGET_SWITCHES): For all variant-selecting switch, use
1841 TARGET_NONE to reset all other variant-selecting switch. Added
1842 empty strings to avoid warnings.
1843 (TARGET_DEFAULT): Set to SH1_BIT.
1845 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
1848 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
1849 (sibcall_pcrel): New insn_and_split.
1850 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1852 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
1853 symPLT_label2reg, call, call_value): Don't set
1854 current_function_uses_pic_offset_table.
1855 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
1856 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
1857 takes it into account.
1858 (FINALIZE_PIC): Delete, useless.
1859 (LEGITIMATE_CONSTANT_P): Delete, unused.
1860 * config/sh/sh.c (sh_expand_prologue): Don't use
1861 current_function_uses_pic_offset_table. Don't special-case
1862 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
1864 (sh_expand_epilogue, initial_elimination_offset): Don't
1865 special case PIC_OFFSET_TABLE_REGNUM.
1867 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
1869 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
1870 * config/sh/sh.md (UNSPEC_CALLER): New constant.
1871 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
1872 (call_pcrel, call_value_pcrel): New insn_and_splits.
1873 (call, call_value): Use them.
1874 (call_site): New expand.
1875 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
1876 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
1877 Output call_site label.
1878 (PREDICATE_CODES): Added symbol_ref_operand.
1879 * config/sh/sh.c (symbol_ref_operand): Define.
1880 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
1881 to CALL_INSNs in the split sequence.
1883 2000-11-24 Nick Clifton <nickc@redhat.com>
1885 * config.gcc (v850-*-*): Define c_target_objs and
1888 * config/v850/t-v850: Define how to build v850-c.o
1890 * config/v850/v850.h (struct data_area_stack_element): Move
1891 definition here from v850.c.
1893 * config/v850v850.c: Include gcc.h to avoid compile time
1895 (push_data_area): Move to v850-c.c.
1896 (pop_data_area): Move to v850-c.c.
1897 (mark_current_function_as_interrupt): Move to v850-c.c.
1898 (GHS_default_section_names): Allow to be exported.
1899 (GHS_current_section_names): Allow to be exported.
1900 (data_area_stack_elements): Allow to be exported.
1901 (ghs_pragma_section): Move to v850-c.c.
1902 (ghs_pragma_interrupt): Move to v850-c.c.
1903 (ghs_pragma_starttda): Move to v850-c.c.
1904 (ghs_pragma_startsda): Move to v850-c.c.
1905 (ghs_pragma_startzda): Move to v850-c.c.
1906 (ghs_pragma_endtda): Move to v850-c.c.
1907 (ghs_pragma_endsda): Move to v850-c.c.
1908 (ghs_pragma_endzda): Move to v850-c.c.
1910 * config/v850/v850-c.c: New file: Contains v850 specific
1911 pragma parsing functions.
1913 2000-11-24 Nick Clifton <nickc@redhat.com>
1915 * config.gcc (extra_objs): Remove duplicate description.
1916 (c_target_objs): New variable. Contains target specific
1917 object files for the gcc C compiler only.
1918 (cxx_target_objs): New variable. Contains target specific
1919 object files for the gxx C++ compiler only.
1921 * configure.in (c_target_objs): Substitute in the makefile.
1922 (cxx_target_objs): Substitute in the makefile.
1923 * configure: Regenerate.
1925 * Makefile.in (C_TARGET_OBJS): Define and initialise from
1927 (CXX_TARGET_OBJS): Define and initialise from
1929 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1931 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1933 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1934 about how the use of the 'c_lex' function requires the use of
1935 the target specific, language specific object files feature of
1936 the configuration mechanism.
1938 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1940 * gcc.c (process_command): Use F_OK, not R_OK.
1942 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1944 * flow.c (print_rtl_and_abort): Remove ANSIism.
1946 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1948 * config/sh/sh.h (GENERAL_REGISTER_P,
1949 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1950 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1952 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1953 * config/sh/sh.c: Use new macros.
1954 * config/sh/sh.md: Likewise.
1956 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1958 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1959 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1962 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1964 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1966 (machine_dependent_reorg): Wrong optimization based on
1967 NOTICE_UPDATE_CC removed.
1969 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1971 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1972 (delete_insn): Look for REG_LABEL notes.
1973 (redirect_tablejump): Delete feeding insns.
1975 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1977 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1978 call_value_pop_1): Make sure operand numbers are contiguous.
1980 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1982 * reload1.c (conflicts_with_override): New function.
1983 (emit_input_reload_insns): Use it to tighten test for validity
1984 of substituting into output of previous insn.
1986 * haifa-sched.c (struct ready_list): New.
1987 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1989 (schedule_insn): Replace args READY and N_READY with a pointer to a
1990 ready_list; return void. Use the new functions to access the ready
1991 list. All callers changed.
1992 (queue_to_ready, debug_ready_list): Likewise.
1993 (schedule_block): Initialize a ready_list structure. Use new
1994 functions to access it.
1995 (max_priority): Remove unused variable.
1996 (schedule_insn): Don't set it.
1998 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
2000 * combine.c (cant_combine_insn_p): New function.
2001 (try_combine): Use it.
2003 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
2004 * c-common.c (c-obstack.c): Include "obstack.h".
2005 (struct reverse_tree): Delete.
2006 (reverse_list, reverse_max_depth): Delete.
2007 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
2008 (struct tlist, struct tlist_cache): New.
2009 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
2010 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
2011 warn_for_collisions, warn_for_collisions_1, new_tlist): New
2013 (verify_sequence_points): Rewritten.
2014 * fold-const.c (fold): Don't lose possibly important sequence
2015 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
2017 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
2019 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
2020 when reversing a register-to-register copy. Reversal now disabled
2021 when the previous instruction has a REG_EQUIV.
2023 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
2025 * c-parse.in (unary_expr): Move VA_ARG from here ...
2026 (primary): ... to here.
2028 2000-11-23 Graham Stott <grahams@redhat.com>
2030 * expr.c (store_constructor): If a field is non addressable and
2031 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
2033 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
2035 * flow.c (print_rtl_and_abort): New function.
2036 (verify_wide_reg, verify_local_live_at_start): Try to dump more
2037 information before aborting.
2039 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
2041 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
2042 is narrower than requested mode.
2043 (gen_highpart): Abort if register mode is narrower than
2046 2000-11-23 Graham Stott <grahams@redhat.com>
2048 * cse.c (cse_insn): Initialise all regcost variables.
2049 Fix a typo add missing '='.
2050 Only compare costs if there is a replacement insn.
2052 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
2054 * final.c (output_addr_const) [LABEL_REF]: Simplify.
2055 [MINUS]: Enclose non-CONST_INTs in parentheses.
2056 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
2057 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
2058 * varasm.c (decode_rtx_const) [CONST]: If it's not something
2059 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
2060 instead of abort()ing.
2061 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
2062 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
2063 formerly handled in output_pic_addr_const.
2064 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
2065 operands of MINUS in CONSTs so that decode_rtx_const() will
2068 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
2070 * config/sh/sh.md (mova_const): New pattern.
2071 (GOTaddr2picreg): Use it.
2072 * config/sh/sh.c (broken_move): Match it.
2073 (mova_p): Don't match it.
2074 (machine_dependent_reorg): Adjust it.
2076 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
2078 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
2079 Moved most register-number #defines...
2080 * config/sh/sh.md (define_constants): ... here. Use macros to
2081 refer to registers and unspecs.
2082 * config/sh/sh.c: Likewise.
2084 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
2086 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
2087 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
2088 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2089 (splay-tree.o, hash.o): Likewise.
2091 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
2092 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
2093 (hashtab.o): Likewise.
2094 (gcov.o): Depend on $(CONFIG_H).
2095 * configure.in: #include insn-codes.h in tm.h.
2097 2000-11-22 Nick Clifton <nickc@redhat.com>
2099 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
2100 const char * to avoid a compile time warning.
2102 * config/arm/arm.md (define_constants): Define symbolic names for
2103 the link register, last integer register and the fake CC register.
2104 Update patterns to use these symbolic names.
2106 2000-11-22 Neil Booth <neilb@earthling.net>
2108 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
2109 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
2111 2000-11-22 Richard Henderson <rth@redhat.com>
2113 * haifa-sched.c (sched_analyze_1): Don't special-case calls
2114 for clobbering registers.
2115 (sched_analyze_2): Likewise.
2116 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
2118 2000-11-22 Chris Demetriou <cgd@sibyte.com>
2119 Neil Booth <neilb@earthling.net>
2121 * gcc.c (validate_switches): Validate multiple switches named
2122 in '|' (or) expressions in specs.
2123 (handle_braces): If more than 1 alternative in a '|' spec
2124 matches, call do_spec1 just once.
2126 2000-11-22 Michael Meissner <meissner@redhat.com>
2128 * d30v.h (TARGET_SWITCHES): Add documentation strings.
2129 (TARGET_OPTIONS): Ditto.
2130 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
2133 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
2135 * pa.c (hppa_encode_label): Account for addition of encoding
2136 character when allocating persistent space for the new label
2139 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
2141 * Makefile.in, config.gcc, configure.in: Expunge remaining
2142 traces of facility for running MD files through C preprocessor.
2144 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
2146 * gcov.texi: Add magic comments for texi2pod.pl.
2147 * Makefile.in: Add rules to generate and install gcov.1.
2148 * gcov.1: New (generated) file.
2150 2000-11-21 Richard Henderson <rth@redhat.com>
2152 * regrename.c (scan_rtx_reg): Terminate the chain rather than
2153 abort on mark_read with NO_REGS.
2155 2000-11-21 Mike Stump <mrs@wrs.com>
2157 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
2158 compilation with older compilers, such as /bin/cc on SunOS.
2159 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
2161 2000-11-21 Richard Henderson <rth@redhat.com>
2163 * varasm.c (record_constant): Pad the constructed
2164 constant_descriptor appropriately.
2166 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
2168 * rtl.h (traverse_md_constants): Declare.
2169 (struct md_constant): Define.
2170 * Makefile.in (HOST_RTL): Add hashtab.o .
2171 (OBJS): Add hashtab.o .
2172 (hashtab.o): New rule.
2173 (rtl.o): Depends on HASHTAB_H.
2174 * rtl.c (hashtab.h): #include.
2175 (md_constants): New static variable.
2176 (def_hash, def_name_eq_p, read_constants): New static functions.
2177 (traverse_md_constants): New function.
2178 (read_name): Do constant expansion.
2179 (read_rtx): Recognize define_constants.
2180 * gencodes.c (print_md_constant): New function.
2181 (main): Emit #defines for all constant definitions encountered.
2182 * md.texi (Constant Definitions): New node.
2183 * gensupport.c (xcalloc): New function.
2185 2000-11-21 Richard Henderson <rth@redhat.com>
2187 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
2188 * config/alpha/alpha-protos.h: Declare it.
2189 * config/alpha/alpha.md (abstf_internal): Use it.
2190 (negtf_internal): Likewise.
2191 (andnotdi3): Unstar the name.
2192 (movtf_internal): Add o/G alternative.
2194 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
2196 * stringpool.c (stringpool_statistics): Also report number and
2197 percentage of entries which are identifiers.
2199 2000-11-21 Diego Novillo <dnovillo@redhat.com>
2201 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
2202 visited before visiting it.
2204 2000-11-21 Nick Clifton <nickc@redhat.com>
2206 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
2207 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
2209 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
2211 2000-11-21 Richard Henderson <rth@redhat.com>
2213 * c-common.c (c_unsafe_for_reeval): New function.
2214 (add_c_tree_codes): Register it.
2215 * c-common.h: Declare it.
2216 * tree.c (lang_unsafe_for_reeval): New hook.
2217 (unsafe_for_reeval): Call it.
2218 * tree.h: Declare it.
2220 2000-11-21 Richard Henderson <rth@redhat.com>
2222 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
2225 2000-11-21 Neil Booth <neilb@earthling.net>
2227 * do_includes: Revert to using cpp_read_file.
2229 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
2231 * loop.c (consec_sets_giv): If the reg we're examining is anything
2232 but UNKNOWN_INDUCT, do nothing.
2233 Reset the reg's type to UNKNOWN_INDUCT before returning.
2235 Mostly from Vladimir Makarov (vmakarov@redhat.com)
2236 * ia64.md (attr itanium_class): Define insn types as described in
2238 (all insn patterns): Use itanium_class, not type attributes.
2239 Occasionally split alternatives as necessary.
2240 (attr type): Compute from new attr itanium_class.
2242 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * tradcpp.c (output_line_command): Mark system headers as such in
2247 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2249 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
2250 support in as as well.
2251 * configure: Regenerate.
2253 2000-11-20 Richard Henderson <rth@redhat.com>
2255 * c-lex.c (orig_filename): New variable.
2256 (init_c_lex): Set it. Move call to cpp_start_read ...
2257 (yyparse): ... here. New function.
2258 * c-parse.in (yyparse_1): Rename the parser entry point.
2259 * c-tree.h: Declare it.
2261 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2263 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
2264 integer constant, use type of op1 for comparison.
2266 2000-11-20 Stan Shebs <shebs@apple.com>
2268 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
2269 * config/rs6000/x-darwin: New file, Darwin host fragment.
2270 * config.gcc (powerpc-*-darwin*): New host.
2271 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
2272 overridden by a config file.
2274 2000-11-20 Neil Booth <neilb@earthling.net>
2276 * cppmacro.c (paste_tokens): Rename from paste_payloads.
2277 Change token type after pasting spellings.
2278 (paste_all_tokens): Use it.
2279 * gcc.dg/cpp/paste2.c: Update test.
2280 * objc/execute/paste.m: New test.
2282 2000-11-20 Richard Henderson <rth@redhat.com>
2284 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
2285 dwarf_subscr_data_formats bits.
2286 * dwarfout.c (simple_type_size_in_bits): Handle a type with
2287 no computed size as size zero.
2288 (field_byte_offset): Likewise.
2289 (subscript_data_attribute): Handle a range with no upper bound.
2291 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2293 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
2295 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2297 * c-typeck.c (build_conditional_expr): When merging type
2298 qualifiers for conditional expressions between a pointer and a
2299 pointer to a void type, merge the qualifiers on the target types
2300 rather than the pointer type. Remove obsolete conditioned out
2303 2000-11-20 Neil Booth <neilb@earthling.net>
2305 * c-lang.c (lang_init_options): Update call to
2307 * cppmain.c (main): Similarly.
2308 * fix-header.c (read_scan_file): Similarly.
2309 * cp/lex.c (lang_init_options): Similarly.
2310 * objc/objc-act.c (lang_init_options): Similarly.
2311 * cppexp.c (parse_number): Only warn for unextended C89.
2312 * cppinit.c (set_lang): New function.
2313 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2314 (COMMAND_LINE_OPTIONS): New option std=c++98.
2315 (cpp_handle_option): Use set_lang.
2316 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2317 * cppib.h (enum_c_lang): New enumeration. Update comments.
2319 2000-11-20 Will Cohen <wcohen@redhat.com>
2321 * calls.c (expand_call): Clear target only when target is in
2322 hard register and current_function_check_memory_usage is set.
2324 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2326 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2328 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2330 2000-11-19 Richard Henderson <rth@redhat.com>
2332 * crtstuff.c (force_to_data): Use array size 1 not 0.
2334 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2335 no computed size as size zero.
2336 (field_byte_offset): Likewise.
2338 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2340 * config.gcc: Fix another typo.
2342 2000-11-19 Richard Henderson <rth@redhat.com>
2344 * c-decl.c (grokdeclarator): Support flexible array members.
2345 Use open-ended ranges for these and zero-length arrays.
2346 * c-typeck.c (push_init_level): Validate the context of
2347 initialization of a zero-length array.
2348 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2349 * varasm.c (array_size_for_constructor): New.
2350 (output_constructor): Use it for arrays of unspecified length.
2351 * extend.texi (Zero Length): Mention C99 flexible array members.
2352 Document initialization in a top-level struct as valid.
2354 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2356 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2358 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2359 stdarg and varargs functions.
2361 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2363 * gcc.c (process_command): Define 'j' variable when
2364 MODIFY_TARGET_NAME is defined.
2366 2000-11-19 Richard Henderson <rth@redhat.com>
2368 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2370 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2372 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2373 calculation and allocation.
2375 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2377 * builtins.c (c_getstr): Constify variable.
2378 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2379 * conflict.c (const_conflict_graph_arc): New typedef.
2380 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2381 * cppmacro.c (builtin_macro): Likewise.
2382 * dwarf2out.c (output_comp_unit): Constify variable.
2383 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2384 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2385 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2387 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2388 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2389 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2390 compare_constant_1, record_constant_1): Constify.
2392 2000-11-18 Richard Henderson <rth@redhat.com>
2394 * c-decl.c (grokdeclarator): Special case the creation of an
2395 index for a zero-length array.
2396 * tree.c (build_index_type): Revert Oct 20 change.
2398 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2400 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2401 * config/avr/avr.c (jump_tables_size): New variable.
2402 (function_prologue): Initialize it as 0.
2403 (function_epilogue): Add it to function_size.
2404 (avr_output_addr_vec_elt): New function. Count words in jump
2405 tables in jump_tables_size. Move code ...
2406 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2407 Call avr_output_addr_vec_elt instead.
2408 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2410 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2412 * configure.in: Make --enable-new-gxx-abi the default.
2413 * configure: Likewise.
2415 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2417 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2419 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2420 Move extern function declarations to tradcpp.h.
2422 * tradcpp.c: Likewise.
2424 * tradcpp.h: New file.
2426 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2428 * c-decl.c (check_for_loop_decls): New function.
2429 * c-parse.in (for_init_stmt): New.
2430 (select_or_iter_stmt): Use for_init_stmt.
2431 * c-tree.h (check_for_loop_decls): New declaration.
2433 2000-11-18 Neil Booth <neilb@earthling.net>
2435 * cppinit.c: Update comments.
2436 (cpp_reader_init): Make -imacro and -include use the standard
2437 #include "" search path.
2438 (do_includes): New function.
2440 2000-11-18 Ben Elliston <bje@redhat.com>
2442 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2443 out of a branch delay slot.
2445 2000-11-17 Richard Henderson <rth@redhat.com>
2447 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2448 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2449 (ASM_FILE_START): Only write out ecoff .file directive if
2450 emitting mdebug debugging.
2452 2000-11-17 Richard Henderson <rth@redhat.com>
2454 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
2455 whether as accepts .file/.loc and produces dwarf2 line info.
2456 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
2457 the assembler supports it.
2458 * config.in, configure: Regenerate.
2460 2000-11-17 Richard Henderson <rth@redhat.com>
2462 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
2464 2000-11-17 Jim Wilson <wilson@redhat.com>
2466 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
2467 Don't clear need_barrier is next_insn is a CALL_INSN, or has
2468 instruction type B or UNKNOWN.
2470 2000-11-17 Neil Booth <neilb@earthling.net>
2472 * cpperror.c (print_file_and_line): Don't display line number if 0.
2474 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
2476 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
2477 digit_vector and digit_string.
2478 * stringpool.c (digit_vector): New.
2479 (ggc_alloc_string): Use digit_string.
2481 * stmt.c (digit_strings): Delete.
2482 (init_stmt): Do not initialize digit_strings.
2483 (expand_asm_operands): Use ggc.h's digit_string macro.
2484 * toplev.c (mark_file_stack): Delete.
2485 (compile_file): Don't call init_tree_codes.
2486 (main): No need to make the file stack a GC root.
2487 * tree.c (init_tree_codes): Delete.
2488 * tree.h (init_tree_codes): Delete.
2490 * c-lex.c: Don't include ggc.h.
2491 (mark_splay_tree_node, mark_splay_tree): Delete.
2492 (init_c_lex): No need to ggc_strdup string constant. Don't add
2493 file_info_tree to GGC roots.
2494 (cb_enter_file, cb_rename_file): No need to ggc_strdup
2497 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
2499 * dbxout.c (dbxout_init),
2500 dwarf2out.c (dwarf2out_line),
2501 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
2502 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
2503 xcoffout.c (xcoffout_source_file),
2504 i386.c (load_pic_register):
2505 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
2507 * except.c (create_rethrow_ref),
2508 profile.c (init_edge_profiler),
2509 toplev.c (compile_file),
2510 varasm.c (named_section, assemble_static_space,
2511 assemble_trampoline_template, output_constant_def, force_const_mem),
2512 i386.c (load_pic_register),
2513 ia64.c (ia64_encode_section_info),
2514 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
2515 rs6000_emit_prologue, rs6000_emit_epilogue),
2516 rs6000.md (load_toc_aix_si, load_toc_aix_di):
2517 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
2519 * profile.c (output_func_start_profiler),
2521 i386.c (load_pic_register): No need to ggc_strdup string constant.
2523 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2525 * Makefile.in (config.status): Depend on config.gcc.
2526 * configure.in <for machine in $build $host $target>: Move
2527 contents of loop into config.gcc, removing autoconf quoting.
2528 Fix changequote bug for alpha*-*-vxworks*.
2529 * configure: Regenerate.
2532 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2534 * c-parse.in (if_prefix): Find the filename and line number at
2535 $-2 and $-1 respectively.
2536 * diagnostic.c (error_recursion): Add missing newline, use
2537 fputs, translate string.
2539 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2541 * stringpool.c: New file.
2542 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
2543 (ggc_alloc_string): Now in stringpool.o.
2544 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
2545 * ggc.h: Delete prototype of ggc_add_string_root. #define
2546 ggc_add_string_root and ggc_mark_string to nothing. Prototype
2547 init_stringpool and stringpool_statistics.
2548 (ggc_alloc_string): Returns a const char *.
2549 * tree.c (hash_table, do_identifier_warnings): Delete.
2550 (init_obstacks): Don't initialize the identifier hash table.
2551 (get_identifier, maybe_get_identifier, start_identifier_warnings,
2552 set_identifier_size): Now in stringpool.c.
2553 * tree.h (struct tree_string): Constify pointer field.
2554 (approx_sqrt): Prototype.
2556 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
2558 * toplev.c (approx_sqrt): New function.
2559 (compile_file): Call stringpool_statistics if mem_report is on.
2560 (main): Call init_stringpool.
2562 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
2563 (process_directive), c-typeck.c (constructor_asmspec, struct
2564 initializer_stack, start_init), except.c (create_rethrow_ref),
2565 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
2566 (built_in_filename), varasm,c (in_named_name,
2567 assemble_static_space, struct constant_descriptor, struct
2568 deferred_string, struct pool_constant, force_const_mem),
2569 i386.c (pic_label_name, global_offset_table_name), rs6000.c
2570 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
2572 * c-common.c (combine_strings): Combine strings in scratch
2573 buffer, then pass to build_string.
2574 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
2575 output_func_start_profiler), stmt.c (init_stmt), alpha.c
2576 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
2577 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
2578 rs6000.c (rs6000_encode_section_info): Create string in
2579 scratch buffer, then pass to ggc_alloc_string.
2581 * stmt.c (expand_asm_operands): If we must adjust the
2582 constraint strings, do so by creating a new one, not by
2583 modifying the old one in place. Constify some char *s.
2584 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
2585 argument. Create string in scratch buffer, then pass to
2587 * config/pa/pa-protos.h: Update prototype.
2588 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
2589 hppa_encode_label takes only one argument.
2591 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2593 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
2596 * cpplib.c (glue_header_name): Likewise.
2598 * fixincl.c (run_compiles, start_fixer): Likewise.
2600 * fixlib.c (load_file_data): Likewise.
2602 * mkdeps.c (munge): Likewise.
2604 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2606 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
2607 trailing ';'. Fix formatting.
2609 2000-11-16 Jim Wilson <wilson@redhat.com>
2611 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
2612 Shift masks left by one to avoid conflict.
2614 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
2617 2000-11-16 Nick Clifton <nickc@redhat.com>
2619 * config/arm/arm.c (output_arm_prologue): Note nested functions.
2620 (arm_expand_prologue): For nested functions preserve the
2621 static chain register during stack frame creation.
2623 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
2624 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
2625 with a stack frame there is a 4 byte gap between the arg
2626 pointer and the hard frame pointer (used to preserve the
2627 static chain register during stack frame creation).
2629 2000-11-16 DJ Delorie <dj@redhat.com>
2631 * rtl.c (read_rtx): Provide suitable names for unnamed
2632 define_insn and define_insn_and_split patterns, based on file
2635 2000-11-15 Neil Booth <neilb@earthling.net>
2637 * cpplib.c (start_directive, end_directive): New functions.
2638 (_cpp_handle_directive, run_directive): Use them.
2639 (_cpp_handle_directive): Don't -Wtraditional on indented
2641 (_cpp_push_buffer): Don't re-clear was_skipping.
2642 * cpplib.h (struct cpp_reader): New member la_saved.
2643 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
2646 gcc.dg/cpp/_Pragma1.c: Update.
2647 gcc.dg/cpp/_Pragma2.c: New test.
2649 2000-11-15 Mark Mitchell <mark@codesourcery.com>
2651 * toplev.c (wrapup_global_declarations): Don't write out
2652 artificial static variables that aren't needed.
2654 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
2656 * ia64.c (struct group): New structure.
2657 (last_group): New static array.
2658 (group_idx): New static variable.
2659 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
2660 New static functions.
2661 (emit_insn_group_barriers): Initialize and keep track of group_idx
2663 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
2664 Replace all calls to emit_insn_after that emit a group barrier to use
2665 emit_group_barrier_after.
2666 * ia64.h (MASK_B_STEP): New.
2667 (other MASK_XXX macros): Renumbered.
2668 (TARGET_B_STEP): New.
2669 (TARGET_SWITCHES): Add -mb-step.
2671 2000-11-15 Fred Fish <fnf@be.com>
2673 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
2674 machines for which fixincludes is not needed.
2675 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
2677 2000-11-15 Jason Merrill <jason@redhat.com>
2679 * diagnostic.c (finish_abort): New fn.
2680 (fancy_abort, error_recursion): Use it.
2681 * toplev.c (crash_signal): Likewise.
2682 * diagnostic.h: Declare it.
2684 2000-11-13 Andrew Haley <aph@redhat.com>
2686 * tree.c (build_type_no_quals): New function.
2687 * tree.h (build_type_no_quals): Declare.
2688 * c-common.c (c_get_alias_set): When considering type
2689 compatibility for pointer types, ignore cv-qualifiers anywhere in
2692 2000-11-15 Graham Stott <grahams@redhat.com>
2694 * regrename.c (scan_rtx_rtx): Skip to the next chain on
2695 encountering a terminated chain.
2697 2000-11-14 Mark Mitchell <mark@codesourcery.com>
2699 * configure.in: Move check for V3 above check for C++ header-file
2701 * configure: Regenerated.
2703 2000-11-14 DJ Delorie <dj@redhat.com>
2705 * config/v850/v850.c: Remove obstacks.
2707 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
2709 * config/avr/avr.c (avr_case_values_threshold): New.
2710 (avr_override_options): Set it depending on options, make it large
2711 when not optimizing to work around "unable to generate reloads".
2713 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
2714 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
2715 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
2716 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
2717 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
2718 (avr_case_values_threshold): Declare as extern int.
2719 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
2721 * config/avr/avr.md (tablejump): Removed.
2722 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
2723 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
2724 index in the table, not multiplied by 2.
2725 (casesi): Change to match the above insns. Always enable.
2727 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
2728 Change to expect the word address of the table, multiply it by 2
2729 here and not in the caller. Change "adiw" to faster "inc".
2731 2000-11-14 Neil Booth <neilb@earthling.net>
2733 * cppexp.c (parse_defined): Call cpp_get_token not
2736 * cpplex.c (cpp_output_line): Similarly.
2737 * cpplib.c (glue_header_name, do_line, do_ident,
2738 parse_answer, parse_assertion): Similarly.
2739 (_cpp_handle_diretive): Don't save to lookaheads
2740 when processing directives.
2741 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
2743 (funlike_invocation_p): Don't save to lookaheads
2744 when pre-expanding arguments.
2745 (_cpp_get_token): Delete.
2746 (cpp_get_token): Merge contents of _cpp_get_token.
2748 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2750 * builtins.c (expand_builtin_setjmp): Set
2751 current_function_calls_setjmp.
2752 (expand_builtin_longjmp): Set current_function_calls_longjmp.
2754 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
2755 (do_builtin_setjmp_setup): New insn.
2757 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2759 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
2760 (int_fits_type_p): For variable bounds, call force_fit_type.
2762 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2764 * varasm.c (struct deferred_string): New structure.
2765 (const_str_htab): New variable.
2766 (STRHASH): New macro.
2767 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
2768 constr_str_htab_eq, const_str_htab_del): New functions.
2769 (output_constant_def): Add DEFER argument, defer string
2770 constants until mark_constant_pool time if requested.
2771 (mark_constant_pool): Walk the insn chain even if const_str_htab is
2773 (mark_constants): If a SYMBOL_REF for deferred string is found,
2774 output it and remove from hash table.
2775 (output_addressed_constants): Set DEFER to 0 in call to
2776 output_constant_def.
2777 * rtl.h (STRING_POOL_ADDRESS_P): Define.
2778 (output_constant_def): Adjust prototype.
2779 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
2781 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
2783 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
2784 signed types if flag_trapv.
2786 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
2788 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
2791 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
2793 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
2795 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2797 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
2798 to array of pool_constnat pointers.
2799 (struct pool_constant): Add next_sym and label members.
2800 (struct pool_sym): Remove.
2801 (init_varasm_status): Change pool_sym into pool_constant.
2802 (mark_pool_constant): Mark pc->label string as well.
2803 (mark_pool_sym_hash_table): Remove.
2804 (mark_varasm_status): Remove it from caller as well.
2805 (free_varasm_status): Don't free pool_sym structures.
2806 (force_const_mem): Don't allocate pool_sym structure, instead
2807 fill pool->label and chain it into rtx_sym hash table.
2808 (find_pool_constant, mark_constant_pool): Use pool_constant instead
2811 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2813 * reload1.c (emit_input_reload_insns): Honour forcing of constants
2814 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
2816 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
2818 * dominance.c: New file.
2819 * Makefile.in (OBJS): Add dominance.o.
2821 * flow.c (compute_flow_dominators): Remove.
2822 (compute_immediate_dominators): Remove.
2823 (compute_immediate_postdominators): Remove.
2824 * basic-block.h: Remove their prototypes.
2825 (calculate_dominance_info): Add prototype.
2827 * dce.c (eliminate_dead_code): Change calls to above functions.
2828 Don't compute dominators but only immediate dominators.
2829 * flow.c (flow_loops_find): Change callers.
2830 * gcse.c (compute_code_hoist_data): Likewise.
2831 * haifa-sched.c (schedule_insns): Likewise.
2832 * ifcvt.c (if_convert): Likewise.
2833 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
2836 2000-11-14 Richard Henderson <rth@redhat.com>
2838 * stmt.c (warn_if_unused_value): Don't warn if the expression
2841 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
2842 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
2844 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2846 * loop.c (basic_induction_var): Revert accidental checkin.
2848 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
2850 * c-lex.c (cb_leave_file): Harmonize conditions and order of
2851 statements to those of process_directive for (action == act_pop).
2853 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
2855 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
2858 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2860 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
2863 2000-11-13 Neil Booth <neilb@earthling.net>
2865 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
2866 cases return without MI check.
2867 * cpplib.c (do_diagnostic): Take boolean of whether to
2868 print the directive name.
2869 (do_error, do_warning): Update.
2870 (do_pragma_dependency): Use it.
2871 * cpplib.h (VARARGS_FIRST): Delete.
2872 (struct cpp_token): Delete integer.
2873 * cppmacro.c (enter_macro_context): Move disabled check
2875 (_cpp_get_token): Simplify into a single loop.
2877 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2879 * configure.in: Use 'test -f' not '[ -e'.
2880 * configure: Regenerated.
2882 2000-11-13 DJ Delorie <dj@redhat.com>
2884 * config/mn10300/mn10300.md (store_movm): Note which registers are
2885 really used or clobbered.
2887 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2889 * c-parse.in (ends_in_label): Remove from %union and %type.
2890 (decls, stmts, lineno_stmt_or_labels, xstmts,
2891 lineno_stmt_or_label, stmt_or_label): Remove.
2892 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2893 lineno_stmt_decl_or_labels_ending_decl,
2894 lineno_stmt_decl_or_labels_ending_label,
2895 lineno_stmt_decl_or_labels_ending_error,
2896 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2897 lineno_stmt, lineno_label): New.
2898 (compstmt_nostart): Use compstmt_contents_nonempty.
2900 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2902 * c-common.c (boolean_increment): New function.
2903 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2904 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2905 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2906 (boolean_increment): Declare.
2907 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2908 * c-decl.c (init_decl_processing): Create boolean nodes.
2909 (finish_struct): Allow for _Bool bitfields.
2910 * c-parse.in (reswords): Add _Bool.
2911 (rid_to_yy): Allow for RID_BOOL.
2912 * c-typeck.c (default_conversion): Make booleans promote to int.
2913 (convert_arguments, build_unary_op, build_modify_expr,
2914 convert_for_assignment): Allow for booleans.
2915 * ginclude/stdbool.h: Make conforming to C99.
2917 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2919 * c-parse.in (c99_block_start, c99_block_end,
2920 c99_block_lineno_labeled_stmt): New.
2921 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2922 (stmt): Split off selection and iteration statements into...
2923 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
2925 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2927 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2930 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2932 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2933 Rewrite to avoid use of match_dup. Don't try to tie registers that
2934 are not in the same mode.
2936 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2938 * invoke.texi: Update lists of languages and suffixes supported.
2940 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2942 * configure.in: Take toplevel configure arguments from the
2943 environment to create configargs.h and substitute
2944 gcc_config_arguments, taking account of any existing configargs.h
2946 * configure: Regenerate.
2947 * gccbug.in: Include toplevel configure arguments in gccbug.
2949 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2951 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2952 union to make it well-aligned. Update all uses.
2954 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2956 * c-parse.in (initelt): Give appropriate pedantic warnings,
2957 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2959 (designator): If pedantic, pedwarn for a designator specifying a
2961 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2963 * extend.texi: Document the C99 syntax as the preferred syntax,
2964 and the pre-2.5 syntax as obsolete. Mention use of designator
2965 lists for nested subobjects.
2967 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2969 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2970 Add ATTRIBUTE_PRINTF.
2971 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2972 Add ATTRIBUTE_PRINTF*.
2974 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2976 * function.c (assign_parms): When calling put_var_into_stack, make
2977 sure that there are no hidden pending sequences.
2979 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2981 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2982 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2985 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2987 * c-common.c (c_common_nodes_and_builtins): Declare index and
2988 rindex when nonansi builtins are allowed.
2990 * extend.texi (index, rindex): Document new builtins.
2992 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2994 * configure.in: Turn on libstdc++ V3 by default.
2995 * configure: Regenerated.
2997 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2999 2000-11-12 Jakub Jelinek <jakub@redhat.com>
3001 * reload1.c (set_label_offsets): Go inside of PARALLELs.
3003 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
3005 * invoke.texi: Clean up option summary.
3007 2000-11-12 Nick Clifton <nickc@redhat.com>
3009 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
3010 of #include headers.
3012 2000-11-12 Marc Espie <espie@openbsd.org>
3014 * configure.in: Fix filds test.
3017 2000-11-12 Mark Mitchell <mark@codesourcery.com>
3019 * jump.c (delete_computation): Don't assume that just becuase an
3020 instruction sets a register, that register is dead.
3022 2000-11-12 Neil Booth <neilb@earthling.net>
3024 * cppexp.c: Don't worry about pfile->skipping.
3025 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
3026 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
3027 for handled directives.
3028 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
3029 and releasing lookaheads.
3030 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
3031 (do_else, do_elif, push_conditional): Update logic.
3032 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
3033 (unwind_if_stack): Inline into cpp_pop_buffer.
3034 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
3035 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
3036 multiple-include optimisation.
3037 * cpplib.h (struct cpp_buffer): New member was_skipping.
3038 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
3039 works because skipping == 0 in directives.
3040 (_cpp_release_lookahead): Renamed from release_lookahead.
3041 (cpp_get_token): No need to check skipping as _cpp_get_token does
3042 this for us. No need to handle MI optimisation.
3044 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
3046 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
3047 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
3048 * fixinc/fixincl.x: Regenerated.
3050 2000-11-11 Bruce Korb <bkorb@gnu.org>
3052 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
3053 (avoid_wchar_t_type): ditto
3054 * fixinc/fixinc.irix: obsoleted
3056 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
3058 * configure.in: Don't add $outputs to all_lang_makefiles. Add
3059 $srcdir/$s/Makefile.in if it exists.
3060 * configure: Regenerate.
3062 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
3064 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
3066 2000-11-11 Jason Merrill <jason@redhat.com>
3068 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
3069 give the parm a register and then call put_var_into_stack.
3070 * stmt.c (expand_decl): Likewise.
3072 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3074 * gcc.texi: Adjust wording.
3076 2000-11-11 Mark Mitchell <mark@codesourcery.com>
3078 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
3079 * fininc/fixincl.x: Regenerated.
3081 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * invoke.texi: Correct spelling of -foptimize-register-move.
3085 2000-11-11 Neil Booth <neilb@earthling.net>
3087 Remove CPP_PLACEMARKERs.
3089 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
3090 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
3091 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
3093 * cpplib.h: Remove CPP_PLACEMARKER.
3094 (struct lexer_state): Rename skip_newlines to next_bol.
3095 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
3096 Simplify prev_white handling as a result.
3097 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
3098 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
3099 (parse_args): Similarly. Update argument count tests.
3100 (enter_macro_context): Return 2 to indicate an empty macro.
3101 (replace_args): Don't bother pre-expanding an empty argument.
3102 Handle placemarkers and ## extension during pre-expansion.
3103 (cpp_get_token): Handle empty macro expansions. Don't worry
3104 about CPP_PLACEMARKERs.
3105 (_cpp_create_definition): Empty macros are now empty.
3106 (cpp_macro_defintion): Don't special case empty macros.
3107 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
3108 * c-lex.c: Similarly.
3110 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
3112 * gcc.texi, invoke.texi: Add new section discussing language
3113 standards; link to it where appropriate; refer to ISO C instead of
3116 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
3118 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
3121 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
3124 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3126 * gcc.texi, gcov.texi: Update dates and version numbers.
3128 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
3130 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
3131 flex and bison, specifically, first in a unified build and
3132 then installed on the system.
3133 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
3134 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
3137 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
3138 cppdefault.o): Remove pointless sed munging of source file
3141 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
3143 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
3144 for address reloads. Push replacements for REG_INC notes.
3145 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
3147 * reload1.c (choose_reload_regs): Registers set in the insn can't be
3148 used for RELOAD_OTHER reloads.
3150 2000-11-10 Mark Mitchell <mark@codesourcery.com>
3152 * c-dump.h: New file.
3154 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * alpha.c (check_float_value): Use memcpy, not bcopy.
3157 * arm.c (output_move_double): Likewise.
3159 * m88k.c (legitimize_operand): Likewise.
3160 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
3161 * m88k.md: Likewise.
3162 * mips.c (override_options): Likewise.
3163 * mips.md: Likewise.
3164 * romp.c (output_fpops): Likewise.
3165 * rs6000.c (rs6000_override_options): Likewise.
3167 * vax.c (check_float_value): Likewise.
3169 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
3170 * expmed.c (synth_mult): Likewise.
3171 * final.c (add_bb_string): Likewise.
3172 * genattr.c (main): Likewise.
3173 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
3175 * jump.c (thread_jumps): Likewise.
3176 * prefix.c (save_string): Likewise.
3177 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
3178 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
3179 * reload1.c (reload, eliminate_regs): Likewise.
3181 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3183 * gcc.texi (Service): Update to reflect current practice and
3184 location of the GNU service directory.
3186 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
3188 * regrename.c (build_def_use): Mark contents of REG_INC notes as
3189 needing replacement.
3191 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
3192 a no-op move if regs are equal.
3193 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
3194 when calling jump after post-reload splitting.
3196 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
3198 * c-tree.texi: Fix typos.
3199 * extend.texi: Likewise
3200 * gcov.texi: Likewise
3201 * rtl.texi: Likewise
3204 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
3206 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
3207 in_system_header and flags[1] before dereferencing flags[2].
3209 2000-11-09 Matthew Hiller <hiller@redhat.com>
3211 * reload1.c (reload_combine): Fixed calculation of
3212 first_index_reg, last_index_reg.
3214 2000-11-09 Mark Mitchell <mark@codesourcery.com>
3216 * c-dump.c (dequeue_and_dump): Dump function bodies.
3218 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
3219 (c-dump.o): New target.
3220 * c-common.h (flag_dump_translation_unit): New variable.
3221 (C_TYPE_QUALS): New macro.
3222 (strip_array_types): New function.
3223 (DECL_C_BIT_FIELD): New macro.
3224 (SET_DECL_C_BIT_FIELD): Likewise.
3225 (CLEAR_DECL_C_BIT_FIELD): Likewise.
3226 (dump_info_p): New typedef.
3227 (dump_tree_fn): Likewise.
3228 (lang_dump_tree): New variable.
3229 (dump_node_to_file): New function.
3230 * c-common.c (flag_dump_translation_unit): Define it.
3231 (strip_array_types): New function.
3232 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
3233 * c-lang.c (finish_file): Call dump_node_to_file if
3234 flag_dump_translation_unit.
3235 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
3236 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
3237 * c-dump.c: New file.
3239 2000-11-09 Christopher Faylor <cgf@cygnus.com>
3241 * config/i386/cygwin.h: Add mingw startfile prefix.
3243 2000-11-09 Richard Henderson <rth@redhat.com>
3245 * flow.c (invalidate_mems_from_set): Split out from ...
3246 (mark_set_1): ... here.
3247 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
3248 instead of turning insn into a NOTE_INSN_DELETED.
3250 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3252 * extend.texi, invoke.texi: Move documentation of builtin versions
3253 of C library functions to one place and update.
3255 2000-11-09 Richard Henderson <rth@redhat.com>
3257 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
3258 the types themselves to discover type equivalence.
3260 2000-11-09 Mike Stump <mrs@wrs.com>
3262 * Makefile.in (distclean): Remove a few extra leftovers.
3264 2000-11-09 Richard Henderson <rth@redhat.com>
3266 * recog.c (validate_replace_rtx_1): Consider subregs when
3267 replacing a register with a constant inside a sign/zero_extend.
3269 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3271 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
3273 * c-decl.c (finish_struct): When a structure is completed,
3274 check all its variant types for completeness.
3276 2000-11-09 Neil Booth <neilb@earthling.net>
3278 * cpphash.c: Move cpp_defined here from cpplib.c.
3279 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
3280 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
3281 * cppmacro.c (cpp_get_token): Update comments, no need now
3282 to catch the CPP_EOF meaning EOL case.
3284 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3286 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
3287 is more than that provided, copy to a temporary.
3289 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
3291 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
3292 interpreting $out as a macro assignment.
3293 * Makefile.in (T_TARGET): New auxiliary macro and target.
3294 (all): Add a target right in the beginning, so that we don't build
3295 T_TARGET by default.
3297 2000-11-09 Graham Stott <grahams@redhat.com>
3299 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
3300 order for -mintel-syntax. Remove comment now that the operand
3301 order has been checked.
3302 (mmx_pextrw): Likewise.
3303 (mmx_pshufw): Likewise.
3305 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3307 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
3308 (c_getstr): New function.
3309 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
3310 If both arguments are constant string, optimize out.
3311 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3312 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3313 -fcheck-memory-usage.
3314 (expand_builtin_fputs): Likewise.
3315 (expand_builtin_strcmp): Add MODE argument.
3316 Use even if !HAVE_cmpstrsi.
3317 Optimize the case when both arguments are constant strings.
3318 (expand_builtin): Adjust expand_builtin_strcmp caller.
3319 Call expand_builtin_strchr and expand_builtin_strrchr.
3320 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3322 * builtins.def (BUILT_IN_STRRCHR): Add.
3324 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3326 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3328 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3330 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3331 (scan_prog_file), config/a29k/a29k.c (print_operand),
3332 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3333 instead of bcopy ().
3334 * real.h: Use memcmp () instead of bcmp ().
3335 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3336 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3337 ultrasparc_sched_init, ultrasparc_sched_reorder),
3338 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3339 instead of bzero ().
3340 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3341 instead of rindex ().
3342 * configure.in: Don't check for bzero, bcmp, index or rindex.
3343 * configure, config.in: Regenerate.
3344 * system.h: Don't include declarations for bzero, bcmp, index or
3346 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3347 bzero, bcmp, index or rindex.
3349 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3351 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3352 include and library paths from -mcygwin case. Parameterize some
3353 declarations to avoid warnings. Use standard locations for include and
3356 2000-11-08 Nick Clifton <nickc@redhat.com>
3358 * config/arm/arm.md (mulsidi3adddi): Change output operand
3359 constraint from "=&" to "+&".
3360 (umulsidi3adddi): Change output operand constraint from "=&" to
3363 2000-11-08 Richard Henderson <rth@redhat.com>
3365 * flow.c (init_propagate_block_info): Protect the rtx stored in
3366 mem_set_list from modification by find_auto_inc.
3367 (mark_set_1): Likewise.
3369 2000-11-08 Neil Booth <neilb@earthling.net>
3371 Move directive handling into the lexer itself.
3373 * cpplex.c (_cpp_lex_token): Handle directives directly.
3374 In the case of a directive interrupting a function-like
3375 macro invocation, use extra_char since read_ahead is
3376 used to store the '#'. Return a CPP_EOF in this case.
3377 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3378 (cpp_get_token): Don't handle directives here.
3379 * cpplib.h: Remove CPP_DHASH token type.
3381 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3383 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3384 formed using PRE_MODIFY too.
3386 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3388 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3389 extension for placing variables in particular registers.
3391 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3392 unprototyped C functions with no parameters.
3394 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3396 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3397 before passing to fprintf.
3399 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3401 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3402 HOST_WIDE_INT before negating it.
3404 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3406 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3407 passed in multiple non-contiguous locations.
3409 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3411 * README.gnat: Remove file.
3413 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3415 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3418 2000-11-07 Richard Henderson <rth@redhat.com>
3420 * dwarfout.c (INSN_LABEL_FMT): Remove.
3421 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3422 (dwarfout_label): Remove.
3423 * dwarfout.h: Remove it's prototype.
3424 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3425 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3426 (dwarf2out_label): Remove.
3427 * dwarf2out.h: Remove it's prototype.
3428 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3430 2000-11-07 Richard Henderson <rth@redhat.com>
3432 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3433 search on the unwind region section.
3435 * config/ia64/ia64.md (movbi): Add r/r alternative.
3436 (cmovdi_internal_astep): Describe all combinations of register
3437 classes for sources & destinations; remove matching constraints.
3438 (cmovdi_internal): Likewise.
3440 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3442 2000-11-07 Richard Henderson <rth@redhat.com>
3444 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3445 (finish_file): Use them in building constructor/destructor functions.
3447 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3448 LD_FINI_SWITCH): Move ...
3449 * config/alpha/osf.h: ... here.
3450 * config/alpha/alpha-interix.h: Don't undef them.
3452 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
3454 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
3455 included in libgcc.a.
3457 (dp-bit.c): Likewise.
3458 (fp-bit.c): Likewise.
3460 2000-11-07 Nick Clifton <nickc@redhat.com>
3462 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
3463 (INTERNAL_ASM_OP): Add missing tab.
3465 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3467 * alias.c (init_alias_analysis), calls.c (expand_call,
3468 emit_library_call_value_1), combine.c (init_reg_last_arrays),
3469 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
3470 (init_output_buffer, set_diagnostic_context), dwarf2out.c
3471 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
3472 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
3473 function.c (assign_parms), gcse.c (compute_can_copy,
3474 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
3475 compute_hash_table, compute_set_hash_table,
3476 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
3477 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
3478 clear_units, schedule_block), integrate.c (initialize_for_inline,
3479 expand_inline_function), jump.c (thread_jumps), local-alloc.c
3480 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
3481 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
3482 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
3483 record_reg_classes, allocate_reg_info), reload.c
3484 (get_secondary_mem, remove_address_replacements, find_reloads),
3485 reload1.c (reload, set_initial_label_offsets, finish_spills,
3486 reload_as_needed, choose_reload_regs_init,
3487 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
3488 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
3489 (rename_registers), stmt.c (expand_end_case), unroll.c
3490 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
3491 () instead of bzero ().
3493 2000-11-07 Neil Booth <neilb@earthling.net>
3495 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
3497 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3499 * c-common.c (combine_strings): Only warn about long strings for C.
3501 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
3503 * combine.c (distribute_notes): Fix typo in last change.
3505 2000-11-07 Geoff Keating <geoffk@redhat.com>
3507 * config/rs6000/rs6000.md (movdi_internal32+1): Use
3508 operand_subreg_force rather than gen_rtx_SUBREG.
3509 (movdi_internal32+2): Likewise.
3511 2000-11-07 Philip Blundell <philb@gnu.org>
3513 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
3514 * config/arm/linux-aout.h: Likewise.
3515 * configure: Regenerate.
3517 2000-11-07 Philipp Thomas <pthomas@suse.de>
3519 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
3520 accepted my the gettext maintainer.
3522 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3524 * builtins.c (expand_builtin_strpbrk): New function.
3525 (expand_builtin): Handle BUILT_IN_STRPBRK.
3527 * builtins.def (BUILT_IN_STRPBRK): New entry.
3529 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3532 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
3534 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
3535 * POTFILES.in: Add config/alpha/freebsd.h
3536 * configure.in: Add alpha*-freebsd support.
3537 * configure: Regenerate.
3539 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3541 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
3542 copy of ptr_type_node rather than ptr_type_node itself.
3544 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
3546 * combine.c (recog_for_combine): Allocate uninitialized vector with
3548 * recog.c (apply_change_group): Likewise.
3550 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
3552 * flow.c (verify_local_live_at_start): Back out last change.
3553 * combine.c (distribute_notes): When parts of a hard reg are
3554 neither set nor referenced in PLACE, search backwards for a
3555 place to put a REG_UNUSED note; if none found, ask for flow
3558 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3560 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
3561 with (clobber (match_scratch...)).
3563 2000-11-06 Neil Booth <neilb@earthling.net>
3565 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
3568 2000-11-06 Neil Booth <neilb@earthling.net>
3570 * tradcpp.c (special_symbol): Assign an null string rather
3571 than writing to an unallocated buffer.
3573 2000-11-06 Neil Booth <neilb@earthling.net>
3575 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
3578 2000-11-06 Neil Booth <neilb@earthling.net>
3580 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
3581 tok.val.arg_no as appropriate.
3582 * cppexp.c (lex): Similarly.
3583 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
3584 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
3585 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
3586 cpp_macro_definition): Similarly.
3587 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
3589 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3591 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
3592 operands[1] is constant, calculate the sum and generate movdi.
3593 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
3594 (subsi3): Use SImode in call to arith_4096_operand.
3596 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3598 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
3599 adjust %o1, not %o0 if the return type is large structure.
3601 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3603 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
3604 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
3606 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3608 * expmed.c (expand_divmod): For signed divide by 2, prefer
3609 a branch and fewer shifts if branches are very cheap.
3611 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3613 * Makefile.in: Remove all targets related to building
3614 distributions and diffs, or INSTALL.
3615 * INSTALL, install1.texi: Remove.
3616 * configure.in: Remove mention of distdir.
3617 * configure: Regenerate.
3618 * objc/Make-lang.in: Remove mention of distdir.
3620 2000-11-04 Neil Booth <neilb@earthling.net>
3622 * cpp.texi: Update for _Pragma.
3624 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
3626 * gcc.texi (Contributing): Update URL for projects web page.
3628 2000-11-04 Neil Booth <neilb@earthling.net>
3630 * cpplex.c (parse_string): Don't allow multiline strings in
3631 #include family directives.
3633 2000-11-04 Neil Booth <neilb@earthling.net>
3635 * cpplib.c (do_line): Only warn pedantically if not reading
3638 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
3640 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
3643 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
3645 * builtins.c (expand_builtin_strlen): Remove unused mode
3647 * gcc.c (process_command): Remove unused variable.
3648 * fold-const.c: Include expr.h.
3649 * recog.c: Include reload.h.
3650 * Makefile.in (recog.o, fold-const.o): Update deps.
3652 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
3654 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
3656 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
3658 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
3660 (STARTFILE_SPEC): Likewise.
3661 (LINK_SPEC): Likewise.
3663 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3665 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
3666 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
3667 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
3669 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
3671 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
3672 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
3673 perm_calloc, get_identifier, maybe_get_identifier,
3674 real_value_from_int_cst, simple_cst_equal), varasm.c
3675 (assemble_name, assemble_real, immed_real_const_1,
3676 compare_constant_1, decode_rtx_const, output_constant_pool): Use
3677 strrchr () instead of rindex (). Use memcmp () instead of bcmp
3678 (). Use memcpy () instead of bcopy (). Use memset () instead of
3681 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
3683 * cppfiles.c (open_file): If already read, then don't reopen.
3684 Immediately close an empty file.
3686 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3688 * expr.h (fold_builtin): Move declaration...
3689 * tree.h (fold_builtin): ... here.
3691 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
3693 * flow.c (verify_local_live_at_start): Allow hard regs to die.
3695 2000-11-02 Neil Booth <neilb@earthling.net>
3698 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
3699 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
3700 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
3701 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
3702 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
3703 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
3704 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
3705 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
3706 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
3707 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
3708 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
3709 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
3710 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
3711 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
3712 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3713 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
3714 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
3715 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
3716 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
3717 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
3718 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
3719 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
3720 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
3721 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
3722 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
3723 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
3724 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
3725 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
3726 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
3727 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
3728 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
3729 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
3730 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
3731 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
3732 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
3733 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
3734 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
3735 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
3736 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
3737 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
3738 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
3739 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
3740 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
3741 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
3742 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
3743 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
3744 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
3745 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
3746 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
3747 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
3748 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
3749 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
3750 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
3751 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
3752 vax/vaxv.h, vax/vms.h, we32k/we32k.h
3754 Replace -A() with -A=, the new assertion syntax.
3756 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
3758 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
3760 In REG_DEAD handling: When handling parts of multi-hard-reg hard
3761 registers, increment the loop counter by the size of the parts;
3762 use recursion to handle individual parts.
3764 2000-11-02 Neil Booth <neilb@earthling.net>
3766 * configure.in: Make integrated CPP the default.
3767 * configure: Regenerate.
3769 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
3771 * reload.c (find_equiv_reg): Test all hard registers for membership
3772 in the requested class.
3774 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3776 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
3777 process_command, main), gcov.c (open_files, output_data), tlink.c
3778 (frob_extension, scan_linker_output), toplev.c
3779 (file_name_nondirectory): Use strchr () and strrchr () instead of
3780 index () and rindex ().
3782 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3784 * c-common.c (get_flag_spec, check_format_info_main,
3785 check_format_types): Use strchr () instead of index (). Compare
3786 against error_mark_node instead of comparing the TREE_CODE against
3789 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
3793 * c-lex.c (init_c_lex): Update cpp_start_read call.
3794 (cb_ident): Update for new callback prototype.
3795 (cb_def_pragma): Update for new cpp_get_token prototype.
3796 (c_lex): Similarly. Use cpp_get_line.
3798 * c-parse.in (finish_parse): Update for new cpp_finish
3801 * cp/lex.c (finish_parse): Similarly.
3803 2000-11-01 Geoff Keating <geoffk@cygnus.com>
3805 * machmode.def: Add V16QImode.
3807 2000-11-01 Richard Henderson <rth@redhat.com>
3809 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
3810 from rtl_for_decl_location.
3811 (add_location_or_const_value_attribute): Likewise.
3813 2000-11-01 Neil Booth <neilb@earthling.net>
3815 * cpplib.c (run_directive): Use correct line number for output
3816 of _Pragma. Remember any in-progress directive.
3818 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
3820 2000-11-01 Richard Henderson <rth@redhat.com>
3822 * stmt.c (expand_start_null_loop): Set continue_label.
3824 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3826 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
3827 (expand_builtin_constant_p): Move parts of the code into
3828 fold_builtin_constant_p.
3829 (expand_builtin_strlen): Move parts of the code into fold_builtin.
3830 * expr.h (fold_builtin): Declare.
3831 * fold-const.c (fold): Handle builtin calls.
3833 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
3835 2000-11-01 Richard Henderson <rth@redhat.com>
3837 * stmt.c (expand_start_null_loop): New.
3838 (expand_end_null_loop): New.
3839 * c-semantics.c (genrtl_do_stmt): Use them.
3840 * tree.h: Declare them.
3842 2000-11-01 Richard Henderson <rth@redhat.com>
3844 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
3846 2000-11-01 Neil Booth <neilb@earthling.net>
3848 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
3849 * cp/spew.c: Similarly.
3850 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
3851 * cppmacro.c (stringify_arg): Similarly.
3852 * cpplib.h (CPP_BACKSLASH): Delete.
3854 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3856 * builtins.c (expand_builtin_strstr): New function.
3857 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
3859 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
3861 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
3864 2000-10-31 Richard Henderson <rth@redhat.com>
3866 * config/i386/i386.c (fcmov_comparison_operator): Check for
3867 CCFPmode or CCFPUmode instead of CCmode.
3868 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
3869 unordered operations as well.
3871 2000-10-31 Richard Henderson <rth@redhat.com>
3873 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
3874 of integer_zero_node.
3876 2000-10-31 Richard Henderson <rth@redhat.com>
3878 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
3880 2000-10-31 Nick Clifton <nickc@redhat.com>
3882 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
3883 -fdata-sections to override the section attribute of a DECL.
3885 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3887 * libgcc2.c (__shtab): Remove __shtab variable.
3888 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3889 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3892 2000-10-31 Jim Wilson <wilson@redhat.com>
3894 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3895 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3896 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3897 instead of ASM_OUTPUT_INTERNAL_LABEL.
3898 (dwarf2out_end_block, dwarf2out_label): Likewise.
3899 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3900 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3902 2000-10-31 Richard Henderson <rth@redhat.com>
3904 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3905 (size_of_locs): Set it.
3906 (output_loc_operands): Use it to compute branch displacement.
3907 (int_loc_descriptor): New.
3908 (mem_loc_descriptor): Dereference memory in the proper size.
3909 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3910 (loc_descriptor_from_tree): New.
3911 (rtl_for_decl_location): Break out from ...
3912 (add_location_or_const_value_attribute): ... here.
3913 (add_bound_info): Use loc_descriptor_from_tree.
3915 2000-10-31 Neil Booth <neilb@earthling.net>
3917 * cpp.texi: Update for new command line assertion syntax.
3918 * cpplib.c (cpp_define): Simplify a bit.
3919 (cpp_assert, cpp_unassert): Use handle_assertion.
3920 (handle_assertion): New function; accept new command line
3922 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3924 2000-10-31 Neil Booth <neilb@earthling.net>
3926 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
3927 undefined. Remove #ifdef check.
3928 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3929 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3931 2000-10-31 Jan Hubicka <jh@suse.cz>
3932 Jakub Jelinek <jakub@redhat.com>
3934 * config/i386/i386.h: Clarify CCNOmode description in comment.
3935 (EXTRA_CC_MODES): Remove CCRCmode.
3936 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3937 (put_condition_code, ix86_match_ccmode): Likewise.
3938 (ix86_cc_mode): Likewise. Fix comment.
3939 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3940 * config/i386/i386.md: Add unspec 12 description.
3941 (adddi3 split): Use unspec 12 instead of CCRCmode.
3942 (addsi3_carry_rc): Remove.
3943 (addsi3_cc, addqi3_cc): New patterns.
3944 (addsi_3): Swap operands, match CCZmode.
3945 (addsi_4): Rewritten.
3946 (addsi_5): Renamed from addsi_6.
3948 (addhi_3): Swap operands, match CCZmode.
3949 (addhi_4): Rewritten.
3950 (addhi_5): Renamed from addhi_6.
3952 (addqi_3): Swap operands, match CCZmode.
3953 (addqi_4): Rewritten.
3954 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3955 (subsi3_carry_rc): Removed.
3956 (iorqi_3): Use =q constraint for clobber.
3957 (xorqi_cc_2): Likewise.
3958 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3959 (x86_movsicc_0_m1_rc): Removed.
3960 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3962 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3964 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3965 and decrement of complex types.
3967 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3969 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3970 builtin fputs, ensure we still evaluate the stream in case it
3973 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3975 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3978 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3980 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3981 (fp_extended_operand, emit_fpscr_use): Likewise.
3982 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3983 (fpul_operand): New function.
3984 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3985 fp_extended_operand. Add fpul_operand.
3986 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3987 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3988 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3989 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3990 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3991 (divdf3_i): Likewise.
3992 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3993 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3994 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3995 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3996 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3998 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
4000 * config/i386/i386.c (ix86_init_builtins): Correct return type
4001 building v4hi_ftype_v4hi_int_int tree node.
4002 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
4003 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
4005 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
4007 (mmx__uavgv8qi3): Correct insn mnemonic.
4008 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
4009 (mmx_punpckhwd): Correct insn mnemonic.
4010 (mmx_punpckhdq): Likewise.
4011 (mmx_punpcklwd): Likewise.
4012 (mmx_punpckldq): Likewise.
4013 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
4014 Renumber case labels to match the _mm_prefetch constants defined in
4017 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
4018 if the splitter didn't emit new insns.
4019 Make sure we call cleanup_subreg_operands even when splitting the last
4020 insn in a basic block.
4022 * invoke.texi (Debugging Options): Describe -do.
4023 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
4024 (dump_file): Likewise.
4025 (rest_of_compilation): Split .greg dump into .greg and .postreload.
4027 2000-10-30 Neil Booth <neilb@earthling.net>
4029 * cppfiles.c (stack_include_file): Check for stacked contexts
4031 * cpphash.h (_cpp_do__Pragma): New prototype.
4032 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
4034 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
4035 escaped newlines if !(buffer->from_stage3).
4036 (_cpp_lex_token): Warn about missing newlines iff
4037 !buffer->from_stage3.
4039 * cpplib.c (get__Pragma_string, destringize,
4040 _cpp_do__Pragma): New functions.
4041 (run_directive): Set output_line for _Pragma to avoid line
4042 markers in output. Set from_stage3 and prevent macro expansion
4043 for _Pragma and command-line options. Check buffer exhaustion.
4044 (cpp_push_buffer): Don't check for stacked macro contexts, as
4045 this is perfectly legitimate for _Pragma. Move the check to
4046 stack_include_file instead. Set from_stage3 iff buffer is
4049 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
4050 unsigned. New boolean from_stage3.
4051 (struct spec_nodes): Add n__Pragma.
4053 * cppmacro.c (enter_macro_context): Flip sense of return value.
4054 (_cpp_get_token): Handle _Pragma operator.
4056 2000-10-30 Phil Edwards <pme@sources.redhat.com>
4058 * gcc.texi: The C++ standard isn't "draft" anymore.
4060 2000-10-30 Mark Mitchell <mark@codesourcery.com>
4062 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
4064 2000-10-29 Neil Booth <neilb@earthling.net>
4066 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
4068 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
4070 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
4071 fixinc/inclhack.def: Change comments mentioning C9X to refer to
4074 * invoke.texi: Document that -V will only work for very similar
4075 versions of driver and compiler.
4077 2000-10-29 Neil Booth <neilb@earthling.net>
4079 * cppmacro.c (_cpp_create_definition): Optimize the case of
4080 a macro defined to itself.
4082 2000-10-29 Neil Booth <neilb@earthling.net>
4084 * cpplex.c (save_comment): Don't store new lines in C++ comments.
4086 2000-10-29 Michael Hayes <mhayes@redhat.com>
4088 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
4090 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
4092 * cpphash.c (cpp_forall_identifiers): Add context variable
4093 for callback routine.
4094 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
4096 (main): Call cpp_forall_identifiers with null context.
4097 * cpplib.h (cpp_forall_identifiers): Update prototype.
4099 * cppmain.c: Make `parse_in' and `print' static.
4101 2000-10-28 Alan Modra <alan@linuxcare.com.au>
4103 * c-decl.c (finish_function): Clear c_function_name_declared_p.
4105 2000-10-28 Richard Henderson <rth@redhat.com>
4107 * regrename.c (scan_rtx_address): Frob action, not class,
4108 when trying to disable optimization.
4110 2000-10-28 Mark Mitchell <mark@codesourcery.com>
4112 * c-semantics.c (make_rtl_for_local_static): Don't clobber
4113 DECL_ASSEMBLER_NAME.
4115 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
4117 * configure.in: Determine and substitute gcc_version_full.
4118 * configure: Regenerate.
4119 * gccbug.in: Use it to give full version. Don't allow
4122 2000-10-28 Richard Henderson <rth@redhat.com>
4124 * recog.c (split_all_insns): Run cleanup_subreg_operands
4127 * regrename.c (regrename_optimize): Verify that all registers of
4128 a multiple register mode are available.
4129 (scan_rtx_address): Accept the mode of the address; all callers
4132 * cpplib.c (run_directive): Fix prototype.
4134 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
4136 * reload.c (find_reloads): Distinguish "wins" so that we know whether
4137 a given operand won because of a matching constraint or not; then use
4138 that information to compute goal_alternative_matched properly.
4139 * reload1.c (choose_reload_regs): Never set reload_override_in for an
4142 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
4143 accurate value for MULT.
4144 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
4145 2% or > 98% before using static branch prediction bits.
4147 2000-10-28 Neil Booth <neilb@earthling.net>
4151 * cpplib.c (struct answer): New.
4152 (struct if_stack): Use cpp_lexer_pos rather than line and col.
4153 Rename cmacro mi_cmacro.
4154 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
4155 IN_I): New directive and flags.
4156 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
4157 parse_answer, parse_assertion, find_answer): New functions.
4158 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
4159 (lex_macro_node): New function to replace parse_ifdef and
4162 (_cpp_handle_directive): New function, combines _cpp_check_directive
4163 and _cpp_check_linemarker.
4165 (do_define, do_undef, parse_include, do_include, do_import,
4166 do_include_next, read_line_number, do_line, do_ident, do_pragma,
4167 do_pragma_once, do_pragma_poison, do_pragma_dependency):
4168 Update for new token getting interface.
4170 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
4171 : Update for new multiple-include optimisation technique.
4172 (do_elif): Don't forget to invalidate controlling macros.
4174 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
4175 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
4176 Functions to handle assertions with the new token interface.
4177 (do_assert, do_unassert): Use them.
4179 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
4182 (_cpp_init_stacks): Register directive names. Don't register special
4185 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
4186 new position recording regime.
4187 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4188 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
4189 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
4190 (cpp_type2name): Move to cpplex.c.
4192 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
4193 (parse_defined): Update to handle new multiple include optimisation
4194 method. Remove poisoned identifier warning.
4195 (parse_assertion, TYPE_NAME): Delete.
4196 (lex): Update for multiple include optimisation, removal of
4197 CPP_DEFINED, to use _cpp_test_assertion for assertions and
4199 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
4200 (op_as_text): New function, to wrap cpp_token_as_text.
4202 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
4203 Update for MI optimisation.
4204 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
4205 segfault on diagnostic.
4206 (_cpp_compare_file_date): Take a token rather than 3 args.
4207 (cpp_read_file): Work correctly for zero-length files.
4209 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
4210 _cpp_init_hashtable and _cpp_cleanup_hashtable.
4211 (cpp_lookup): Place identifiers at front of identifier pool
4212 for _cpp_lookup_with_hash.
4213 (_cpp_lookup_with_hash): Require identifiers to be at the front of
4214 the identifier pool. Commit the memory if not already in the
4217 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
4218 Initialise various members of cpp_reader, memory pools, and the
4220 (cpp_printer_init): Delete.
4221 (cpp_cleanup): Update.
4222 (struct builtin, builtin_array, initialize_builtins): Update for new
4223 hashnode definition and builtin handling.
4224 (cpp_start_read, cpp_finish): Don't take or initialise a
4227 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
4228 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
4229 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
4230 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
4231 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
4232 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
4233 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
4234 struct toklist, struct cpp_context, struct specnodes,
4235 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
4236 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
4237 enum builtin_type, cpp_can_paste): New.
4238 (struct cpp_token): Delete line and col members.
4239 (struct cpp_buffer): New member output_lineno.
4240 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
4241 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
4242 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
4243 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
4244 base_context, context, directive, mi_state, mi_if_not_defined,
4245 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
4246 mlstring_pos, macro_buffer, macro_buffer_len.
4247 Delete members mls_line, mls_column, token_list, potential_control_macro,
4248 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
4249 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
4250 save_parameter_spellings, need_newline, .
4251 Change type of date, time and spec_nodes members.
4252 Change prototypes for include and ident callbacks.
4253 (struct cpp_hashnode): Change type of name. Remove union members
4254 expansion and code. Add members macro, operator and builtin.
4256 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
4257 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
4258 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
4259 cpp_stop_lookahead): New prototypes.
4260 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
4262 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
4263 Move from cpphash.h.
4265 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
4266 ufputs): Move to cpplib.h.
4267 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
4268 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
4269 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
4270 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
4271 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
4272 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
4273 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
4274 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
4275 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
4276 _cpp_parse_assertion, _cpp_find_answer): Delete.
4277 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
4278 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
4279 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
4280 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
4281 _cpp_handle_directive, DSC): New.
4282 (struct include_file): New member defined.
4284 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
4285 _cpp_compare_file_date): Update.
4286 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
4287 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
4288 _cpp_cleanup_hashtable.
4290 * Makefile.in: Remove cppoutput.c.
4292 * cppoutput.c: Delete
4294 * fixheader.c (read_scan_file): Update for new cpp_get_token
4296 (recognized_function): New argument LINE.
4298 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4299 new cpp_get_token prototype.
4301 * scan.h (recognized_function): Update prototype.
4303 * po/POTFILES.in: Remove cppoutput.c.
4305 2000-10-27 Mark Mitchell <mark@codesourcery.com>
4307 * c-typeck.c (check_init_type_bitfields): Remove.
4308 (constructor_incremental): Likewise.
4309 (struct constructor_stack): Remove incremental bit.
4310 (struct initializer_stack): Likewise.
4311 (start_init): Don't play with constructor_incremental.
4312 (finish_init): Likewise.
4313 (really_start_incremental_init): Likewise.
4314 (push_init_level): Likewise.
4315 (pop_init_level): Likewise.
4316 (output_init_level): Likewise.
4317 (output_pending_init_elements): Likewise.
4319 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4321 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4322 Improve error messages. Correct parsing of
4323 #pragma pack(pop [,id]). Do not check the user-supplied
4324 alignment if we're popping.
4326 * gcc.dg/pack-test-1.c: New test case.
4327 * gcc.dg/pack-test-2.c: New test case.
4328 * gcc.dg/pack-test-1.h: New file.
4330 2000-10-27 Neil Booth <neilb@earthling.net>
4334 2000-10-27 Kelley Cook <kelley.cook@home.com>
4336 * invoke.texi: Document -mintel-syntax
4338 2000-10-27 Richard Henderson <rth@redhat.com>
4340 * invoke.texi: Document -frename-registers. Add it to -O3.
4341 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4342 (enum dump_file_index, dump_file): Update order.
4343 (main): Set flag_rename_registers at -O3.
4345 2000-10-27 Richard Henderson <rth@redhat.com>
4347 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4348 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4349 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4350 * config/alpha/alpha.md (call_osf_1): Use it.
4351 (call_value_osf_1): Likewise.
4353 * config/ia64/ia64.c: Revert 10-23 patch.
4354 (ia64_hard_regno_rename_ok): New.
4355 * config/ia64/ia64-protos.h: Declare it.
4356 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4358 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4359 Richard Henderson <rth@redhat.com>
4361 * regrename.c: Rewrite to handle multi-register modes and
4362 cond_exec instructions.
4363 * Makefile.in (regrename.o): Update dependancies.
4364 * recog.h (struct operand_alternative): Add is_address.
4365 * recog.c (preprocess_constraints) [case 'p']: Set it.
4367 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4369 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4370 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4371 top level. Kill oldstyle_subdirs. Do not include
4372 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4373 $outputs. Do not run configure.lang from config.status.
4374 Rearrange warning-flag logic to correspond to what the
4375 makefile wants. Put special vax stage1 options in
4376 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4377 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4378 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4379 switch is given, nothing otherwise.
4380 * configure.lang: Delete.
4382 * Makefile.in: Expunge all traces of extra_c_objs,
4383 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4384 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4385 warning options via a three level scheme so that -pedantic and
4386 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4387 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4388 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4389 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4390 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4391 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4392 generation rules. Wrap all rules that change the current
4393 directory in parentheses; pmake doesn't spawn a new shell for
4394 each command. Expunge all references to $(P). When one
4395 command depends on another and they're run all at once, use &&
4396 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4397 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4400 * objc/Make-lang.in: Wrap all rules that change the current
4401 directory in parentheses. Expunge all references to $(P).
4402 When one command depends on another and they're run all at
4403 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4404 all object-file generation rules. Delete obsolete variables.
4405 * objc/Makefile.in: Delete.
4407 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4409 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4410 clear tail_call_insns as well.
4412 2000-10-27 Nick Clifton <nickc@redhat.com>
4414 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4417 2000-10-26 Richard Henderson <rth@redhat.com>
4419 * calls.c (expand_call): Supress sibcall if we have a
4420 BLKmode return in registers.
4422 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4424 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4427 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4429 * tree.c (make_node, case 't'): Set alignment to that of
4431 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4433 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4435 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4436 * configure.in (enable-libstdcxx-v3): Arrange to have
4437 HAVE_LIBSTDCXX_V3 substituted into the output files.
4439 2000-10-25 Richard Henderson <rth@redhat.com>
4441 * recog.c (constrain_operands): Initialize which_alternative
4442 before no alternatives early exit.
4444 * cse.c (find_comparison_args): Check that we can reverse a
4445 comparison if needed before accepting the substitution.
4447 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4449 * simplify-rtx.c (simplify_relational_operation): Sign extend
4450 low words before sign extending to high words.
4452 2000-10-25 Nick Clifton <nickc@redhat.com>
4454 * config/mcore/mcore.c: Include config.h before system.h.
4456 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
4458 * config/mcore/mcore.md (return): Force function epilogue to
4459 always be generated to work around epilogue suppression bug in
4462 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
4464 * c-decl.c (grokdeclarator): Move warning for qualified void
4465 return types with -pedantic to when the function type is
4466 constructed. At -W, warn in general for qualified function return
4467 types, except for volatile void.
4468 * invoke.texi: Document this new warning at -W.
4470 2000-10-25 Neil Booth <neilb@earthling.net>
4472 * cpp.texi: Update with implementation-defined behavior and
4475 2000-10-25 Jakub Jelinek <jakub@redhat.com>
4477 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
4478 incomplete type force it into alias set 0.
4480 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
4482 * alias.c: Include basic-block.h.
4483 (loop_p): New function.
4484 (mark_constant_function): Use it.
4485 * Makefile.in (alias.o): Update dependencies.
4487 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4489 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
4492 2000-10-24 Jim Wilson <wilson@cygnus.com>
4494 * expmed.c (store_bit_field): Move integer pun code down after
4495 code that calls emit_move_insn for entire register move.
4496 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
4497 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
4499 2000-10-24 Richard Henderson <rth@cygnus.com>
4501 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
4502 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
4504 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4506 * gcse.c (cprop_insn): do not propagate constants into jump_insn
4507 for machines with CC0 more than once.
4509 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
4511 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
4512 pseudos just like memory.
4514 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
4516 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
4517 when deleting libcall sequence collapsed to a single instruction.
4519 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
4521 * expr.c (do_store_flag): Don't crash if either side of a
4522 comparison is error_mark_node.
4524 2000-10-24 Jakub Jelinek <jakub@redhat.com>
4526 * sibcall.c (purge_mem_unchanging_flag): New function.
4527 (optimize_sibling_and_tail_recursive_calls): Call it.
4529 2000-10-24 Philipp Thomas <pthomas@suse.de>
4531 * Makefile.in (check-po): New target for doing checks in the po
4532 subdir if all languages configured.
4533 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
4534 configure if NLS is enabled.
4535 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
4536 otherwise leave empty.
4537 * configure: Regenerate.
4539 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4541 * i386.c (print_operand): Handle new 'A' formatting code.
4542 387 opcodes need suffixes even with -mintel-syntax.
4543 Check for explicit size override (codes 'b', 'w' and 'k').
4544 (print_operand_address): Check if register prefix is needed when
4545 emitting `ds' segment override.
4546 * i386.h: Add comment about new 'A' formatting code.
4547 * i386.md (jump and call patterns): Emit absolute references using %A.
4549 2000-10-23 Richard Henderson <rth@cygnus.com>
4551 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
4552 output registers as fixed.
4553 (ia64_function_epilogue): Undo output fixation.
4555 2000-10-23 Richard Henderson <rth@cygnus.com>
4557 * config/alpha/alpha.md: Add names for all unnamed insns; use
4558 define_insn_and_split in some obvious places.
4560 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
4561 (zero_extendqisi2, zero_extendqidi2): Likewise.
4562 (zero_extendhisi2, zero_extendhidi2): Likewise.
4563 (abs splitters): Fix match_scratch operand number.
4564 (bcc_reverse): Swap pc & label instead of non-canonical compare.
4566 2000-10-23 Jim Wilson <wilson@cygnus.com>
4568 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
4570 * ia64.md (cmpsi_adjusted): Use %r3.
4571 (cmpdi_adjusted): Likewise.
4573 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4575 * config/i386/att.h (ASM_FILE_START): Define.
4577 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4579 * config/i386/linux.h (ASM_FILE_START): Define.
4581 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
4583 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
4584 since this (only) drags in a crt0.o reference that the .ld files
4587 2000-10-23 Geoff Keating <geoffk@cygnus.com>
4589 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
4590 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
4591 reloads just like an RELOAD_FOR_OUTPUT would.
4593 * local-alloc.c (update_equiv_regs): Add an abort(). When
4594 deleting or moving insns, update reg_equiv[regno].init_insns.
4596 2000-10-23 Mark Mitchell <mark@codesourcery.com>
4598 * c-tree.texi: Improve documentation for IF_STMTs and related
4599 conditional statements.
4601 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4603 * expr.c (do_preexpand_calls): Remove.
4604 (same_from_p): Don't use CALL_EXPR_RTL.
4605 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
4606 (preexpand_calls): Remove.
4607 * tree.c (first_rtl_op): Remove CALL_EXPR case.
4608 (unsave_expr_1): Likewise.
4609 * tree.def (CALL_EXPR): Give it only two slots.
4610 * tree.h (CALL_EXPR_RTL): Remove.
4612 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
4614 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
4615 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4618 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
4620 * calls.c (combine_pending_stack_adjustment_and_call): Don't
4621 adjust stack when unadjusted_alignment ends up as zero.
4623 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
4625 * fixinc/genfixes: Remove EGCS reference.
4626 * install.texi: Remove EGCS reference.
4627 * INSTALL: Regenerate.
4629 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4631 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
4633 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
4635 * diagnostic.c: Remove EGCS reference in comment.
4637 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4639 * loop.c (strength_reduce): Fix error in last change.
4641 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4643 * Makefile.in (SHLIB_NM_FLAGS): New.
4644 (libgcc.mk): Pass it.
4645 * mklibgcc.in (libgcc.map): Use it.
4647 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
4648 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
4650 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4652 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
4654 * sparc.c (load_pic_register): Delete unused varaible.
4656 * libgcc2.c (__addvsi3): Delete unused variable.
4658 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
4659 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
4660 __negvdi2): Prototype.
4662 * ssa.c (apply_delayed_renames): Avoid undefined operation.
4664 * toplev.c (display_target_options): Make static to match
4665 prototype. Delete empty declaration.
4667 2000-10-20 Tom Tromey <tromey@cygnus.com>
4669 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4670 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4672 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4674 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
4676 (expand_expr_unaligned, case ARRAY_REF): Check that index is
4677 a constant before comparing it; use tree_low_cst.
4678 * tree.c (save_expr): Set TREE_READONLY.
4679 (substitute_expr): Return inside of NON_LVALUE_EXPR.
4680 (build, build1): Set TREE_READONLY if all operands are.
4681 (build_index_type): If upper bound is a negative number, lower
4682 bound is zero and sizetype is unsigned, use upper bound of one and
4685 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4687 * gcc.c (process_command, main): Use "because" instead of
4688 "since" in error messages.
4690 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4692 * stor-layout.c (compute_record_mode): Use tree_low_cst.
4693 Don't use mode of field for record unless sizes are the same.
4694 (layout_type, case ARRAY_TYPE): Remove special bounds handling
4695 previously added for Ada; also change to using host_integerp
4698 * loop.c (strength_reduce): Show when new register made for
4699 giv is known to be a pointer and its aligment if so and known.
4700 (loop_dump_aux): Show VERBOSE parameter unused.
4702 * gcse.c (set_hash_table_size): Now unsigned.
4703 * sdbout.c (template_name_p): Add "const" to avoid warnings.
4704 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
4705 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
4706 (sdbout_end_epilogue): Remove variable NAME.
4707 * system.h (getopt): Add default definition.
4708 * config/alpha/alpha.c (print_operand): Don't continue processing
4709 after issuing error.
4710 (summarize_insn): Avoid use of UL in constant.
4712 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
4714 * fold-const.c (force_fit_type): Unsigned values can overflow
4715 if they are sizetype.
4716 (int_const_binop): Don't use cache if overflows.
4718 2000-10-20 Richard Henderson <rth@cygnus.com>
4720 * function.c (locate_and_pad_parm): Zero alignment_pad.
4722 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
4723 perform substitutions, and apply_change_group to see if it worked.
4725 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4727 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
4729 * combine.c (struct undo): Change int to unsigned int.
4730 (do_SUBST_INT): Args are unsigned int.
4731 (make_extraction, force_to_mode): Use proper type when forming mask.
4732 (make_field_assignment): Likewise.
4734 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
4736 * c-common.c (check_format_info_recurse): Extract string constant
4737 initializers from non-volatile constant arrays and check them as
4739 * c-typeck.c (decl_constant_value): Don't check pedantic or check
4740 for DECL_MODE (decl) != BLKmode.
4741 (decl_constant_value_for_broken_optimization): New function which
4742 includes these checks.
4743 (default_conversion, convert_for_assignment, digest_init): Use
4744 decl_constant_value_for_broken_optimization instead of
4745 decl_constant_value.
4747 2000-10-20 Mark Mitchell <mark@codesourcery.com>
4749 * tree.h (DECL_ALIGN_UNIT): New macro.
4751 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
4753 * config/avr/avr-protos.h (avr_output_bld): New.
4754 (out_shift_with_cnt): Add t_len argument.
4755 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
4756 (output_movqi, output_movhi, output_movsisf): Optimize loading
4757 any constant with exactly one bit set to NO_LD_REGS.
4758 (out_shift_with_cnt): Optimize output code for size or speed,
4759 depending on optimize_size. Handle small shift counts as well
4760 (if not hand-optimized in ?sh??i3_out). Shifts can be done
4761 with or without a scratch register, with help of __tmp_reg__
4762 or __zero_reg__ if necessary. Add T_LEN argument to pass the
4763 length of TEMPLATE in words, return total insn length in *LEN.
4764 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
4765 out_shift_with_cnt to work with the above change.
4766 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
4767 lshrsi3_out): Likewise. Optimize more known shift count cases.
4768 Remove cases already well optimized in out_shift_with_cnt.
4769 (avr_output_bld): New function.
4770 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
4771 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
4772 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
4773 Add reload_completed to insn condition - only for peepholes.
4774 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
4775 in a register or memory.
4776 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
4777 Do not require a scratch register.
4778 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
4779 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
4780 Optimize shifts by known count using a scratch register, but only
4781 if one is still available after register allocation.
4783 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4785 * t-vax: New file. Don't build modules from libgcc1.c.
4787 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
4789 * alias.c: (mark_constant_function): Don't check pure functions.
4790 Initialize and end alias analysis.
4791 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
4792 Don't make a special exception for recursion. Handle
4793 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
4794 unless it's volatile.
4796 * local-alloc.c (equivalence): New structure.
4797 (reg_equiv): Define.
4798 (contains_replace_regs): Remove array and use
4800 (memref_referenced_p): Likewise.
4801 (no_equiv): Likewise.
4802 (update_equiv_regs): Likewise.
4804 (equiv_init_varies_p,
4805 equiv_init_movable_p): New functions.
4806 (update_equiv_regs): Use them. Use rtx_varies_p
4807 instead of function_invariant_p. Process insns
4808 from end to beginning. Allow a REG_EQUIV insn
4809 within the same loop as a use to be moved, also
4810 allow it to be moved out of a loop. Update
4811 REG_DEAD notes when substituting into an insn.
4813 2000-10-19 Jim Wilson <wilson@cygnus.com>
4815 * c-decl.c (start_decl): Check for error_mark_node type before using
4817 (finish_decl): Likewise. Don't give an error if decl type is
4818 already error_mark_node.
4820 * haifa-sched.c (compute_trg_info): Add explanatory comments.
4821 New local update_blocks. Use update_blocks to remove duplicates
4822 when computing update blocks. Check for bblst_table overflow.
4823 (schedule_block): Add explanatory comment. Reduce bblst_size by
4825 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
4828 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4830 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
4832 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4834 * expmed.c: Minor corrections in comments.
4835 * invoke.texi: Added desciption for the new option -ftrapv.
4837 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4839 * libgcc2.c: Added the missing #endif.
4841 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4843 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
4845 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
4847 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
4848 Use smulv_optab for -ftrapv.
4849 (expand_mult_highpart): Use unsigned multiply.
4850 (expand_divmod): Special-case division by -1.
4851 For EXACT_DIV_EXPR, do right shift first, then the multiply.
4852 For complex divide, use abs with unsigned result.
4853 * expr.c (force_operand): Use unsigned multiply.
4854 (expand_expr): Use overflow-trapping optabs for signed types if
4856 If flag_trapv, don't generate a recursive call with EXPAND_SUM
4857 if the type is signed and the original call wasn't EXPAND_SUM or
4859 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
4860 (negv_optab, absv_optab): Declare.
4861 * flags.h (flag_trapv): Declare.
4862 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
4863 smulv_optab, sdivv_optab, negv_optab and absv_optab.
4864 (gen_insn): Interpret '$P' as requiring an integer mode,
4865 including partial integer modes.
4866 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
4867 (product_cheap_p): Use unsigned expand_mult.
4868 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
4869 (negv_optab, absv_optab): Define.
4870 (expand_binop): Use overflow-trapping optabs for signed types if
4872 Handle negv_optab libe neg_optab.
4873 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
4874 Use overflow-trapping optabs for signed result if flag_trapv.
4875 (expand_complex_abs): Use overflow-trapping optabs for signed types if
4877 Don't open-code complex absolute-value operation for flag_trapv.
4878 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
4879 sdivv_optab, negv_optab and absv_optab.
4880 * toplev.c (flag_trapv): Define.
4881 (lang_independent_options f_options): Include flag_trapv.
4882 * tree.h (TYPE_TRAP_SIGNED): Define.
4883 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4884 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4886 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4887 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4889 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4890 David V. Henkel-Wallace <gumby@cygnus.com>
4892 * config/i386/t-netware: Bring in from the Red Hat tree.
4893 * config/i386/netware.h: Likewise.
4894 * config/netware.h: Likewise.
4895 * config/rs6000/netware.h: Delete.
4896 * configure.in: Add i[34567]86-*-netware.
4897 * configure: Hand-edit to match configure.in change.
4899 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4901 * c-common.h (flag_no_builtin): Declare.
4902 (flag_no_nonansi_builtin): Likewise.
4903 (c_common_nodes_and_builtins): Change prototype.
4904 * c-common.c (flag_no_builtin): New variable.
4905 (flag_no_nonansi_builtin): Likewise.
4906 (c_common_nodes_and_builtins): Remove parameters. Adjust
4908 * c-decl.c (flag_no_builtin): Remove.
4909 (flag_no_nonansi_builtin): Likewise.
4910 (init_decl_processing): Adjust call to
4911 c_common_nodes_and_builtins.
4913 2000-10-18 Marc Espie <espie@openbsd.org>
4915 * tm.texi (LIBGCC_SPEC): Synch with reality.
4917 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4919 * c-common.c (check_format_types): Check for writing through a
4920 NULL pointer argument.
4922 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4924 * tm.texi (Exception Region Output): Document
4925 DWARF_CIE_DATA_ALIGNMENT.
4926 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4928 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4929 DWARF_CIE_DATA_ALIGNMENT.
4931 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4933 * basic-block.h (struct loop): Delete fields pre_header_root
4934 and pre_header_trace and replace with pre_header_edges
4935 and num_pre_header_edges.
4936 * flow.c (flow_loop_dump): Dump pre_header_edges.
4937 (flow_loops_free): Free pre_header_edges.
4938 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4940 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4942 * contrib.texi: Update references to steering committee members
4943 and Jeff Law's entry.
4945 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4947 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4948 (maybe_read_dollar_number, check_format_info_main): Use them for
4949 pedantic warning messages.
4951 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4953 * c-common.c (check_format_info_main): Minor cleanup: move
4954 variables into inner scopes; initialize declarations where
4955 appropriate; don't hardcode "scanf" name on warning for zero
4958 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4960 * c-common.c (back_end_hook): New variable.
4961 * c-common.h (back_end_hook): Declare it.
4962 * c-lang.c (finish_file): Use it.
4964 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4967 2000-10-18 Jan Hubicka <jh@suse.cz>
4969 * i386.c (ix86_comparison_operator, put_condition_code,
4970 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4971 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4972 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4973 * i386.md (adddi and negdi splitter): Use CCRCmode.
4974 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4975 (subsi3_carry): add '*'
4976 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4977 (cmp to add peep2): Use CCRCmode; swap operands.
4979 2000-10-18 Kazu Hirata <kazu@hxi.com>
4981 * h8300.c: Fix a comment typo.
4982 (round_frame_size): New.
4983 (compute_saved_regs): Likewise.
4986 (push_order): Remove.
4987 (pop_order): Likewise.
4988 (function_prologue): Rearrange code for readability.
4989 (function_epilogue): Likewise.
4991 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4992 expander that is used when not optimizing. Output a tab after
4993 each assembly insns.
4995 * reorg.c: Fix formatting.
4997 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4999 * reload1.c (move2add_note_store): Check for simple
5000 auto-inc in destination.
5002 2000-10-17 Michael Chastain <chastain@redhat.com>
5004 * config/i386/i386-aout.h: define INT_ASM_OP.
5006 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
5008 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
5010 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
5012 * i370.md: Fix spelling typo.
5014 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5016 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
5017 Fixes execute/20001017-1.c on powerpc-linux-gnu.
5019 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
5020 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
5023 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
5024 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
5026 * rs6000/aix.h: ...to here.
5027 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
5029 2000-10-17 Jakub Jelinek <jakub@redhat.com>
5031 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
5033 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
5034 sure linker can relax even the delay slot mov %g1,%o7, fix output
5037 2000-10-17 Kazu Hirata <kazu@hxi.com>
5039 * config/h8300/h8300.md: Remove an unnecessary zero_extend
5040 expander that is used when not optimizing. Output a tab after
5041 each assembly insns.
5043 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
5045 * gcc.c: New options --target-help.
5046 (process_command): Added code to parse this new option.
5047 * toplev.c (display_target_options): New function to support the
5049 * cppinit.c (new_pending_directive) : New option OPT_target__help.
5050 (cpp_handle_option): Support this new option.
5051 * invoke.texi: Added notes about --target-help option.
5053 2000-10-17 Graham Stott <grahams@redhat.com>
5055 * config/i386/i386.md (testqi_1): Add missing operand prefix
5057 * config/i386/i386-protos.h: Add missing prototype.
5059 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
5061 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
5062 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
5063 using -mintel-syntax.
5065 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5067 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
5068 (format_types): Use it for printf.
5069 (maybe_read_dollar_number): Add parameter for the kind of format
5070 involved. Warn for multiple use for arguments if this is
5071 inappropriate for the kind of format involved.
5072 (check_format_info_main): Update calls to maybe_read_dollar_number.
5074 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5076 * inclhack.def (hpux_maxint): Also apply fix to values.h.
5077 * fixincl.x: Rebuilt.
5079 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
5081 * genrecog.c (write_switch): Return the first condition that needs a
5084 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
5086 * c-tree.h (warn_sequence_point): Move declaration to...
5087 * c-common.h (warn_sequence_point): ... here.
5088 * c-decl.c (warn_sequence_point): Move definition to...
5089 * c-common.c (warn_sequence_point): ... here.
5090 (struct reverse_tree): New.
5091 (reverse_list, reverse_max_depth): New static variables.
5092 (build_reverse_tree, common_ancestor, modify_ok
5093 verify_sequence_points): New functions.
5094 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
5095 * c-typeck.c (check_modify_expr): Delete.
5096 (build_modify_expr): Don't call it.
5098 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
5100 * c-common.h (warn_missing_format_attribute): New variable.
5101 * c-decl.c (warn_missing_format_attribute): New variable.
5102 (c_decode_option): Decode -Wmissing-format-attribute and
5103 -Wno-missing-format-attribute.
5104 * c-common.c (check_function_format): If
5105 -Wmissing-format-attribute, give a warning where a vprintf or
5106 vscanf function is called by a function without its own printf or
5108 * toplev.c (documented_lang_options): Add
5109 -Wmissing-format-attribute.
5110 * invoke.texi: Document -Wmissing-format-attribute.
5112 2000-10-17 Marc Espie <espie@openbsd.org>
5114 * invoke.texi (-shared): Insist on requiring code generation flags
5115 to be used along with -shared, and document the subtle failure that
5116 may occur otherwise.
5118 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5120 * pa.md (return_internal): Move `use' after `return'.
5122 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5124 * machmode.def: Correct comment.
5126 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
5128 * print-rtl.c (print_rtx_head): Constify.
5129 * rtl.h (print_rtx_head): Similarly.
5131 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
5132 Constify char * return value.
5134 (output_64bit_and, output_64bit_ior): Constify char * return value.
5135 (pa_can_combine_p): Make static.
5136 (function_arg): Decorate unused `named' argument. Fix comment typo.
5137 (function_arg_partial_nregs): Decorate unused `named' argument.
5139 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
5141 * c-common.c (format_check_results): New structure.
5142 (finish_dollar_format_checking): Adjust to take a
5143 format_check_results * parameter.
5144 (check_format_info, check_format_info_recurse,
5145 check_format_info_main): Split check_format_info into three
5146 functions, the main checking going in check_format_info_main.
5147 Recurse when any reduction of the format string argument towards a
5148 string literal is done; go down both branches of a conditional
5149 expression. Don't warn for extra format arguments or empty format
5150 strings if they only occur in some branches of a conditional
5153 2000-10-16 Kazu Hirata <kazu@hxi.com>
5155 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
5157 2000-10-16 Jakub Jelinek <jakub@redhat.com>
5159 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
5161 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
5163 * i386.md (*movsi_or): Switch operand order for intel syntax.
5165 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
5169 * gcc.texi (Contributing): Update.
5171 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
5173 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
5174 appropriate assembler dialect.
5176 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
5178 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
5180 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
5182 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
5183 constants 1 and 2 to NO_LD_REGS.
5185 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5187 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
5189 * objc/Make-lang.in (objc-parse.c): Likewise.
5191 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5193 * arm.c: Include obstack.h
5194 (minipool_obstack, minipool_startobj): Define.
5195 (arm_add_gc_roots): Initialize them.
5196 (create_fix_barrier): Use our new obstack.
5197 (push_minipool_barrier, push_minipool_fix): Likewise.
5198 (arm_reorg): Release obstack memory.
5200 2000-10-13 Jakub Jelinek <jakub@redhat.com>
5202 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
5203 (prologue, exception_receiver, builtin_setjmp_receiver): New
5205 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
5206 * config/sparc/sparc-protos.h (finalize_pic): Remove.
5207 (load_pic_register): New prototype.
5208 * config/sparc/sparc.c (pic_setup_code): Remove.
5209 (finalize_pic): Rename to...
5210 (load_pic_register): ...this function.
5211 Don't look for nonlocal_goto_receivers and emit pic setup code
5212 directly. Don't check current_function_uses_pic_offset_table.
5214 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
5216 * tree.h (struct obstack): Declare.
5218 2000-10-12 Mark Mitchell <mark@codesourcery.com>
5221 * Makefile.in (ggc-callbacks.o): Remove target.
5222 (flow.o): Depend on GGC_H.
5223 * alias.c (init_alias_analysis):
5224 Remove ggc_p conditionals.
5225 (end_alias_analysis): Likewise.
5226 * basic-block.h (init_flow): New function.
5227 (allocate_reg_life_data): Declare.
5228 * bb-reorder.c (function_obstack): Replace with ...
5229 (flow_obstack): ... new variable.
5230 (fixup_reorder_chain): Use it.
5231 * c-decl.c (ggc_p): Remove.
5232 (caller-save.c): Don't call oballoc/obfree.
5234 undobuf): Remove storage.
5235 (try_combine): Don't call oballoc.
5236 (undo_all): Don't call obfree.
5237 * cse.c (insert): Use xmalloc, not
5239 (cse_main): Adjust accordingly.
5240 * dwarf2out.c (save_rtx): Remove
5242 (dwarf2out_init): Remove ggc_p conditionals.
5243 * emit-rtl.c (rtl_obstack): Remove.
5244 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
5245 (make_insn_raw): Likewise.
5246 (emit_insn_before): Likewise.
5247 (emit_insn_after): Likewise.
5248 (emit_insn): Likewise.
5249 (gen_sequence): Likewise.
5250 (copy_insn_1): Remove handling of `b' RTL components.
5251 (init_emit_once): Remove ggc_p conditionals.
5252 * except.c (create_rethrow_ref): Don't fool with obstacks.
5253 (add_partial_entry): Likewise.
5254 (call_get_eh_context): Likewise.
5255 (begin_protect_partials): Likewise.
5256 (protect_with_terminate): Likewise.
5258 (plus_constant_wide): Likewise.
5259 * expr.c (init_expr_once):
5261 (emit_block_move): Likewise.
5262 (clear_storage): Likewise.
5263 (expand_expr): Likewise.
5264 * flow.c (function_obstack): Remove.
5265 (flow_obstack): New variable.
5266 (flow_firstobj): Likewise.
5267 (create_base_block): Use the flow_obstack.
5268 (split_block): Likewise.
5269 (split_edge): Likewise.
5270 (calculate_global_regs_live): Likewise.
5271 (allocate_bb_life_data): Make it static. Likewiwse.
5272 (init_flow): New function.
5273 (size_int_type_wide): Remove ggc_p conditionals.
5275 (push_function_context_to): Don't call save_tree_status.
5276 (pop_function_context_from): Or restore_tree_status.
5277 (assign_stack_local_1): Don't call push_obstacks.
5278 (find_fixup_replacement): Use xmalloc.
5279 (fixup_var_refs_insns): Free the storage.
5280 (insns_for_mem_walk): Don't mess with obstacks.
5281 (instantiate_decls): Likewise.
5282 (trampoline_address): Likewise.
5283 (expand_function_end): Likewise.
5284 * function.h (sturct function):
5285 Remove obstack-related variables.
5286 (save_tree_status): Don't declare.
5287 (restore_tree_status): Likewise.
5288 * gcse.c (compute_can_copy):
5289 Don't call oballoc/obfree.
5290 * genattrtab.c (operate_exp): Remove
5292 (simplify_cond): Likewise.
5293 (simplify_test_exp): Don't mess with obstacks.
5294 (optimize_attrs): Likewise.
5295 * gengenrtl.c (gendef): Don't include
5297 * ggc-callbacks.c (ggc_p): Remove.
5298 * ggc-none.c (ggc_p): Remove.
5299 * ggc.h (ggc_p): Don't declare.
5300 * integrate.c (save_for_inline): Don't mess with obstacks.
5301 (integrate_decl_tree): Likewise.
5302 (output_inline_function): Likewise.
5304 (init_EXPR_INSN_LIST_cache): Likewise.
5305 * loop.c (temp_obstack):
5307 (rtl_obstack): Likewise.
5308 (init_loop): Don't mess with obstacks.
5309 (reg_address_cost): Free BIVs and GIVs.
5310 (check_insns_for_bivs): Use xmalloc, not oballoc.
5311 (find_mem_givs): Likewise.
5312 (record_biv): Likewise.
5313 (general_induction_var): Likewise.
5314 (product_cheap_p): Likewse.
5315 * optabs.c (init_one_libfunc): Remove
5317 * print-tree.c (debug_tree): Don't use
5319 (print_node): Likewise.
5320 * profile.c (output_func_start_profiler):
5321 Remove call to temporary_allocation.
5323 (eliminate_regs_in_insn): Don't mess with obstacks.
5325 (mark_target_live_regs): Use xmalloc.
5326 (free_resource_info): Free the memory.
5327 * rtl.c (rtl_obstack):
5329 (rtvec_alloc): Don't mess with obstacks.
5330 (rtx_alloc): Likewise.
5332 (copy_rtx): Don't handle `b' cases.
5333 (read_rtx): Use a local rtl_obstack.
5334 * rtl.h (oballoc): Remove.
5336 (pop_obstacks): Likewise.
5337 (push_obstacks): Likewise.
5338 (allocate_bb_life_data): Likewise.
5339 (allocate_reg_life_data): Likewise.
5340 (rtx_free): Likewise.
5341 * sdbout.c (sdbout_queue_anonymous_type):
5342 Use tree_cons, not saveable_tree_cons.
5344 (cselib_init): Don't mess with obstacks.
5346 (mark_block_nesting): Mark the label_chain.
5347 (epxand_label): Use ggc_alloc, not oballoc.
5348 (clear_last_expr): Don't mess with obstacks.
5349 (expand_decl_cleanup): Likewise.
5350 (expand_dcc_cleanup): Likewise.
5351 (expand_dhc_cleanup): Likewise.
5352 (expand_anon_union_decl): Likewise.
5353 (add_case_node): Use xmalloc, not oballoc.
5354 (free_case_nodes): New function.
5355 (expand_end_case): Call it.
5356 * stor-layout.c (layout_type): Don't
5358 (layout_type): Likewise.
5359 * toplev.c (wrapup_global_declarations):
5361 (compile_file): Remove ggc_p conditionals.
5362 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5363 (decode_f_option): Remove ggc_p conditionals.
5365 (function_maybepermanent_obstack): Remove.
5366 (maybepermanent_obstack): Likewise.
5367 (function_obstack): Likewise.
5368 (tmeporary_obstack): Likewise.
5369 (momentary_obstack): Likewise.
5370 (temp_decl_obstack): Likewise.
5371 (saveable_obstack): Likewise.
5372 (rtl_obstack): Likewise.
5373 (current_obstack): Likewise.
5374 (expression_obstack): Likewise.
5375 (struct obstack_stack): Likewise.
5376 (obstack_stack): Likewise.
5377 (obstack_stack_obstack): Likewise.
5378 (maybepermanent_firstobj): Likewise.
5379 (temporary_firstobj): Likewise.
5380 (momentary_firstobj): Likewise.
5381 (temp_decl_firstobj): Likewise.
5382 (momentary_function_firstobj): Likewise.
5383 (all_types_permanent): Likewise.
5384 (struct momentary_level): Likewise.
5385 (momentary_stack): Likewise.
5386 (init_obstacks): Remove initialization of removed obstacks.
5387 (save_tree_status): Remove.
5388 (restore_tree_status): Likewise.
5389 (temporary_allocation): Liekwise.
5390 (end_temporary_allocation): Liekwise.
5391 (resume_temporary_allocation): Likewise.
5392 (saveable_allocation): Likewise.
5393 (push_obstacks): Likewise.
5394 (push_obstacks_nochange): Likewise.
5395 (pop_obstacks): Likewise.
5396 (allocation_temporary_p): Likewise.
5397 (permanent_allocation): Likewise.
5398 (preserve_data): Likewise.
5399 (preserve_initializer): Likewise.
5400 (rtl_in_current_obstack): Likewise.
5401 (rtl_in_saveable_obstack): Likewise.
5402 (oballoc): Likewise.
5404 (savealloc): Likewise.
5405 (expralloc): Likewise.
5406 (print_obstack_name): Likewise.
5407 (debug_obstack): Likewise.
5408 (object_permanent_p): Likewise.
5409 (push_momentary): Likewise.
5410 (perserve_momentary): Likewise.
5411 (clear_momentary): Likewise.
5412 (pop_momentary): Likewise.
5413 (pop_momentary_nofree): Likewise.
5414 (suspend_momentary): Likewise.
5415 (resume_momentary): Likewise.
5416 (make_node): Don't set TREE_PERMANENT.
5417 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5418 Don't set TREE_PERMANENT.
5419 (get_identifier): Remove ggc_p conditionals.
5420 (build_string): Likewise.
5421 (make_tree_vec): Likewise.
5422 (build_decl_list): Remove.
5423 (build_expr_list): Likewise.
5424 (tree_cons): Remove ggc_p conditionals.
5425 (decl_tree_cons): Remove.
5426 (expr_tree_cons): Likewise.
5427 (perm_tree_cons): Likewise.
5428 (temp_tree_cons): Likewise.
5429 (saveable_tree_cons): Likewise.
5430 (build1): Remove ggc_p conditionals.
5431 (build_parse_node): Likewise.
5432 (build_type_attribute_variant): Don't mess with obstacks.
5433 (build_type_copy): Likewise.
5434 (type_hash_canon): Likewise.
5435 (build_pointer_type): Likewise.
5436 (build_reference_type): Likewise.
5437 (build_index_type): Likewise.
5438 (build_range_type): Likewise.
5439 (dump_tree_statistics): Don't print obstack information.
5441 (struct tree_common): Remove permanent_flag.
5442 (TREE_PERMANENT): Remove.
5443 (TREE_SET_PERMANENT): Likewise.
5444 (TYPE_OBSTACK): Likewise.
5445 (struct tree_type): Remove obstack.
5447 (savealloc): Likewise.
5448 (build_decl_list): Likewise.
5449 (build_expr_list): Likewise.
5450 (perm_tree_cons): Likewise.
5451 (temp_tree_cons): Likewise.
5452 (saveable_tree_cons): Likewise.
5453 (decl_tree_cons): Likewise.
5454 (expr_tree_cons): Likewise.
5455 (suspend_momentary): Likewise.
5456 (allocation_temporary_p): Likewise.
5457 (resume_momentary): Likewise.
5458 (push_obstacks_nochange): Likewise.
5459 (permanent_allocation): Likewise.
5460 (push_momentary): Likewise.
5461 (clear_momentary): Likewise.
5462 (pop_momentary): Likewise.
5463 (end_temporary_allocation): Likewise.
5464 (pop_obstacks): Likewise.
5465 (push_obstacks): Likewise.
5466 (pop_momentary_nofree): LIkewise.
5467 (preserve_momentary): Likewise.
5468 (saveable_allocation): Likewise.
5469 (temporary_allocation): Likewise.
5470 (resume_temporary_allocation): Likewise.
5471 (perserve_initializer): Likewise.
5472 (debug_obstack): Likewise.
5473 (rtl_in_current_obstack): Likewise.
5474 (rtl_in_saveable_obstack): Likewise.
5476 * varasm.c (current_obstack): Remove.
5477 (saveable_obstack): Remove.
5478 (rtl_obstack): Remove.
5479 (immed_double_const): Don't mess with obstacks.
5480 (immed_real_cons): Likewise.
5481 (output_constant_def): Likewise.
5482 (init_varasm_status): Use xcalloc.
5483 (mark_pool_constant): Mark the pool constant itself.
5484 (free_varasm_status): Free memory.
5485 (decode_rtx_const): Call bzero directly, rather than expanding it
5487 (record_rtx_const): Don't mess with obstacks.
5488 (force_const_mem): Likewise.
5489 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
5491 (aof_pic_entry): Likewise.
5492 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
5493 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
5494 * config/pa/pa.c (saveable_obstack): Remove.
5495 (rtl_obstack): Likewise.
5496 (current_obstack): Likewise.
5497 (output_call): Don't mess with obstacks.
5498 (hppa_encode_label): Remove ggc_p conditionals.
5499 * config/romp/romp.c (get_symref): Don't mess with obstacks.
5500 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
5501 (rs6000_encode_section_info): Likewise.
5502 * config/sh/sh.c (get_fpscr_rtx): Likewise.
5504 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
5506 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
5507 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
5508 (addsi3_carry): Canonicalize.
5509 (addqi_5): Remove '*'.
5510 (sbb pattern): Canonicalize.
5512 * i386.md (cmp to inc/add peep2): New.
5514 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
5516 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
5519 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5521 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
5522 * README.TRAD, TESTS.FLUNK: Remove.
5524 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5526 * c-common.c (decl_attributes): Don't allow strftime formats with
5527 first_arg_num nonzero.
5528 (check_format_info): Set wanted_type and wanted_type_name to zero
5529 before they are possibly assigned and used.
5531 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5533 * c-common.c (scanf_flag_specs): Add flags ' and I.
5534 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5535 or the ^ and # flags together.
5536 (scan_char_table): Handle the ' and I flags.
5537 (format_types): Add ' and I flags for scanf.
5539 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5541 * c-common.c (print_char_table): Use the unpromoted type for
5542 lengths "h" and "hh" with conversions dioxXu.
5543 (check_format_types): Apply the default argument promotions where
5544 the wanted type is not a pointer target.
5546 2000-10-11 Michael Meeks <mmeeks@gnu.org>
5547 Joseph S. Myers <jsm28@cam.ac.uk>
5549 * c-typeck.c (check_modify_expr): New function.
5550 (build_modify_expr): Call it if warn_sequence_point.
5551 * c-decl.c (warn_sequence_point): New variable.
5552 (c_decode_option): Handle -Wsequence-point and
5553 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
5554 * c-tree.h (warn_sequence_point): Declare.
5555 * invoke.texi (-Wsequence-point): Document.
5556 * toplev.c (documented_lang_options): Add -Wsequence-point and
5557 -Wno-sequence-point.
5558 Original work by Michael Meeks, 16 Jun 1998.
5560 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5562 * tree.c (get_narrower): Don't look at precision of field if
5565 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
5567 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
5568 declaration for data with "progmem" attribute.
5570 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
5572 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
5573 Correct insn length if shift count is a memory operand.
5574 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
5575 (*iorhi3_clobber): Change lo8 to hi8.
5576 (zero_extendhisi2): Change %B0 to %A1.
5577 (ashlhi3, ashrhi3): Correct insn length.
5578 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
5579 from "clobber" to "set_n" in some alternatives.
5581 2000-10-10 Jakub Jelinek <jakub@redhat.com>
5583 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
5584 remove its insn_chain structure as well.
5586 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5588 * dbxout.c (dbxout_source_line): Remove extra tab.
5590 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
5592 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
5594 2000-10-09 Richard Henderson <rth@cygnus.com>
5596 * Makefile.in (LANG_LIB2FUNCS): Remove.
5597 (LIB2FUNCS): Remove _pure.
5598 (LIB2ADD): Remove LANG_LIB2FUNCS.
5599 (stage_a): Don't set LANG_LIB2FUNCS.
5600 * libgcc2.c (__terminate): Mark noreturn.
5601 (__pure_virtual): Remove.
5602 * mklibgcc.in: Remove LIB2ADD .txt processing.
5604 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5606 * arm.md (push_multi): Revert unintended change.
5608 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5610 * arm.c: Miscellaneous white space and comment clean-ups. No
5614 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5616 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
5617 STRING_CST by calling combine_strings.
5619 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5621 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
5622 (thumb_output_move_mem_multiple): Support new insn format.
5623 * arm.md (movmem12b): Use SSA compatible format.
5624 (movmem8b): Likewise.
5626 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5628 * arm.md (predicable): New attribute, default to "no".
5629 (all patterns): Mark as predicable if appropriate.
5630 (conditional execution splits): Split using predication format.
5631 (define_cond_exec): Define.
5632 * arm.c (arm_print_operand): handle insn predicate.
5634 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5636 * README.NS32K: Remove file.
5638 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5640 * README-bugs: Remove file.
5642 2000-10-08 Philipp Thomas <pthomas@suse.de>
5643 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
5645 * configure: Rebuilt.
5647 2000-10-08 Philipp Thomas <pthomas@suse.de>
5648 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
5649 disable catalog building if no suitable program was found.
5650 Move warning message from here
5651 (AM_GNU_GETTEXT): To here.
5652 * configure: Rebuilt.
5654 2000-10-08 Philipp Thomas <pthomas@suse.de>
5655 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
5656 different cache variables.
5657 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
5658 uses different cache variables.
5659 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
5660 * configure: Regenerated.
5662 2000-10-08 Richard Henderson <rth@cygnus.com>
5664 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
5665 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
5666 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
5669 * config/t-linux (SHLIB_EXT): New.
5670 (SHLIB_LINK): Use the entire build command, with substitutions.
5671 (SHLIB_LIBS): Remove.
5672 * config/alpha/t-osf4: Likewise.
5673 * config/mips/t-iris6: Likewise.
5674 * config/sparc/t-sol2: Likewise, but move shlib stuff...
5675 * config/sparc/t-slibgcc-sld: ...here.
5676 * config/sparc/t-slibgcc: New file.
5678 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5680 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
5681 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
5683 (intmax_type_node, uintmax_type_node): Define.
5684 * c-common.c (decl_attributes): If pedantic, warn if `mode'
5685 attributes create a type wider than intmax_t.
5686 (T_IM, T_UIM): Define properly.
5687 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
5689 (init_decl_processing): Initialize intmax_type_node and
5691 * c-lex.c (lex_number): When pedantic and warning for integer
5692 constants that are too large, in C99 mode warn for those that have
5693 a type wider than long long.
5695 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5697 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
5698 FMT_FLAG_FANCY_PERCENT_OK): Define.
5699 (format_char_info): Add flag "4" to comment.
5700 (format_flag_spec, format_flag_pair): New structures.
5701 (format_kind_info): Add additional fields to control format
5703 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
5704 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
5706 (time_char_table): Use "4" flag to handle %Ey.
5707 (format_types): Add entries for new fields.
5708 (get_flag_spec): New function.
5709 (check_format_info): Increase size of flag_chars[] to 256.
5710 Control format checking using the new fields of a format_kind_info
5711 and the new tables; remove all conditionals on printf_format_type,
5712 scanf_format_type or strftime_format_type. Handle all details of
5713 bad combinations of flags (including width, precision and strftime
5714 modifiers) through data rather than ad hoc code. Handle all
5715 details of standard versions in which flags appeared through
5716 data. Use the "4" flag.
5718 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
5720 * config/h8300/h8300.md: Remove the memory alternative and correct
5721 the insn lengths in the templates for sign extention and zero
5724 2000-10-07 Richard Henderson <rth@cygnus.com>
5726 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
5727 * flow.c (make_edges): Revert last change.
5729 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
5731 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
5733 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
5735 * config/alpha/elf.h: Standardize the formatting.
5737 2000-10-06 David O'Brien <obrien@FreeBSD.org>
5739 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
5742 2000-10-06 Richard Henderson <rth@cygnus.com>
5744 * function.c (diddle_return_value): Examine
5745 current_function_return_rtx instead of the DECL_RESULT.
5746 (expand_function_end): Handle reloading DECL_RESULT from memory
5747 into a hard register. Query promote_mode for sign of mismatched
5750 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5752 * haifa-sched.c (schedule_insns): Fix typo in freeing
5753 forward_dependency_cache.
5755 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5757 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
5758 `TARGET_SH2' as a condition.
5760 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5762 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
5763 forward_dependency_cache): New variables.
5764 (add_dependence, remove_dependence): Use anti_dependency_cache and
5765 output_dependency_cache.
5766 (compute_block_forward_dependences): Use forward_dependency_cache.
5767 (schedule_insns): Allocate and free memory for anti/output/forward
5768 dependencies caches.
5770 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5772 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
5773 `! TARGET_SH1'. Reindent.
5775 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5777 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
5778 Move functions from here ...
5780 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
5782 (c_expand_builtin): New function.
5783 (init_function_format_info): Don't set `check_function_format_ptr'.
5784 (c_common_nodes_and_builtins): Set built_in_class type for
5785 printf/__builtin_printf to BUILT_IN_FRONTEND.
5786 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
5788 * c-common.h (build_function_call): Declare.
5790 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
5791 to `lang_expand_expr' rather than `expand_builtin'.
5793 * tree.c (check_function_format_ptr): Delete.
5795 * tree.h (check_function_format_ptr): Likewise.
5797 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
5799 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
5800 DW_OP_bregx when cfa->reg > 31.
5802 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
5805 2000-10-05 Richard Henderson <rth@cygnus.com>
5807 * c-decl.c (warn_missing_noreturn): Remove.
5808 (c_expand_body): Don't set or check can_reach_end.
5809 * c-tree.h (warn_missing_noreturn): Move ...
5810 * flags.h: ... here.
5811 (can_reach_end): Remove.
5812 * flow.c (check_function_return_warnings): New.
5813 (make_edges): No edge to exit for noreturn sibcalls.
5814 * function.c (expand_function_end): Save the return value
5815 clobber instruction.
5816 (mark_function_status): Mark it.
5817 * function.h (struct function): Add x_clobber_return_insn.
5818 * jump.c (can_reach_end): Remove.
5819 (calculate_can_reach_end): Remove.
5820 (jump_optimize_1): Don't call it.
5821 * output.h (check_function_return_warnings): Declare.
5822 * toplev.c (warn_missing_noreturn): Move from c-decl.c
5823 (rest_of_compilation): Call check_function_return_warnings.
5825 2000-10-05 Richard Henderson <rth@cygnus.com>
5827 * Makefile.in (NM_FOR_TARGET): New.
5828 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
5829 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
5830 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
5831 shared library build on that and EXTRA_MULTILIB_PARTS.
5832 * mkmap-flat.awk: New file.
5833 * mkmap-symver.awk: New file.
5834 * libgcc-std.ver: New file.
5835 * config/libgcc-glibc.ver: New file.
5836 * config/ia64/libgcc-ia64.ver: New file.
5837 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5838 (SHLIB_LINK): Add --version-script.
5839 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
5840 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5841 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5842 (SHLIB_LINK): Add -M.
5844 2000-10-05 Richard Henderson <rth@cygnus.com>
5846 * Makefile.in (LIB2FUNCS): Add _clz.
5847 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
5848 (__clz_tab): Put in its own unit, non-static.
5849 * libgcc2.h: Always include longlong.h.
5851 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
5852 a zero instead of -1.
5853 (count_trailing_zeros): Likewise.
5855 2000-10-05 Richard Henderson <rth@cygnus.com>
5857 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
5858 when second op1 is const0_rtx. Validate op0 as a register.
5859 * config/alpha/alpha.md (setcc_internal): Don't allow constants
5860 in the first argument of the compare.
5861 (setcc_swapped_internal): Likewise.
5862 (setne_internal): Likewise.
5864 2000-10-05 Geoff Keating <geoffk@cygnus.com>
5866 * tree.c (tree_size): New function split out of copy_node.
5867 (make_node): Remove obstack handling. Use tree_size.
5868 (copy_node): Use tree_size.
5869 * tree.h: Prototype tree_size.
5871 2000-10-05 Richard Henderson <rth@cygnus.com>
5873 * diagnostic.c (output_format): Add missing break.
5875 2000-10-05 Jim Wilson <wilson@cygnus.com>
5877 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
5878 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
5879 sequence insn to INSN, and delete last sequence insn.
5881 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
5883 * gcc.c (main): Include generated configargs.h header
5884 and use arguments in '-v' output.
5886 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5888 * gcc.c: Move data on prefixes forward in file and reorganize.
5889 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5890 Always define, but make null if no value.
5891 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5892 and "md_startfile_prefix_1".
5893 (main): Check whether md_exec_prefix and the others are the
5894 null string rather than whether the macro is defined.
5896 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5898 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5899 from PSImode to SImode.
5901 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5903 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5904 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5905 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5908 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5910 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5911 negation in proper type.a
5913 2000-10-04 Richard Henderson <rth@cygnus.com>
5915 * configure.in (enable-shared): New.
5916 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5917 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5918 * mklibgcc.in: Use them to link shared a libgcc.
5919 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5920 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5921 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5922 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5924 * configure.in (alpha-osf*): Use t-osf and x-osf.
5925 * config/alpha/t-osf: New file.
5926 * config/alpha/t-osf4: New file.
5927 * config/alpha/x-osf: New file.
5928 * config/alpha/x-alpha: Remove file.
5930 2000-10-04 Will Cohen <wcohen@redhat.com>
5932 * c-typeck.c (process_init_element): Added warning for zero-length
5935 * extend.texi (Zero Length): State that static initializers for
5936 zero-length arrays are not allowed.
5938 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5940 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5943 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5945 * config/float-c4x.h: New.
5946 * configure.in (c4x-*): Set float_format to c4x.
5947 * configure: Regenerate.
5949 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5951 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5952 compilation for solaris versions 2.7 and greater.
5954 2000-10-02 Marc Espie <espie@openbsd.org>
5956 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5957 instead of redefining from scratch.
5959 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5961 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5963 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5965 * config/ns32k/genix.h: Remove.
5966 * config/ns32k/x-genix: Likewise.
5967 * config/ns32k/xm-genix.h: Likewise.
5968 * config/fx80: Remove all filee in directory.
5969 * config/pyr: Likewise.
5970 * config/tahoe: Likewise.
5971 * config/gmicro: Likewise.
5972 * config/spur: Likewise.
5973 * configure.in: Remove configury bits for above targets.
5974 * configure: Regenerated.
5976 * configure.in: Don't configure chill by default.
5977 * configure: Regenerated.
5979 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5980 (lang_mark_false_label_stack): Remove.
5981 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5982 <top level> string in GC area.
5983 (mark_splay_tree_node): New function.
5984 (mark_splay_tree): Likewise.
5985 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5987 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5988 * ggc-common.c (lang_mark_false_label_stack): Change type.
5989 * ggc.h (ggc_alloc_string): Add comment.
5990 (ggc_strdup): New function.
5992 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5994 * config/avr/avr.h (BRANCH_COST): Define as 0.
5996 * config/pdp11/pdp11.c: #include "tree.h" added.
5998 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
6000 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
6001 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
6002 with known shift count.
6003 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
6004 New alternative for shift count 2 with no scratch register.
6005 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
6006 "set_n" for shift counts 1 and 2.
6008 2000-09-30 Geoff Keating <geoffk@cygnus.com>
6010 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
6011 the mask value from the individual SET operations.
6012 (return_internal_si): Move the USE after the RETURN.
6013 (return_internal_di): Likewise.
6014 (return_and_restore_fpregs_si): Likewise.
6015 (return_and_restore_fpregs_di): Likewise.
6016 (return_eh_si): Likewise.
6017 (return_eh_di): Likewise.
6018 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
6020 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
6021 Don't generate a PARALLEL around a single operation movsi_to_cr.
6022 Generate the RETURN first in any PARALLELs.
6024 * rtlanal.c (single_set_1): Use fatal_insn to display the
6025 invalid insn. Check for more cases when a USE or CLOBBER occurs
6027 * Makefile.in: Update dependencies for rtlanal.o.
6029 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6031 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
6033 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
6035 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
6036 Consistently use @email for formatting email addresses.
6038 2000-09-29 Richard Henderson <rth@cygnus.com>
6040 * cse.c (notreg_cost): New argument outer.
6041 (COST): Pass in SET to notreg_cost
6043 (fold_rtx): Use COST_IN. Prefer constants when costs
6046 2000-09-29 David Edelsohn <edelsohn@gnu.org>
6048 * fixinc/inclhack.def (broken_cabs): Generalize regex.
6049 * fixinc/fixincl.x: Regenerate.
6051 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6053 * loop.c (check_final_value): A GIV is not replaceable if used
6056 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
6058 * version.c: Bump to gcc-2.97.
6060 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
6062 * final.c (final_scan_insn): Remove extra extract_insn call;
6063 Use caching for constrain_operands.
6064 (cleanup_subreg_operands): Use caching for extract_insn.
6065 * recog.c (constrain_operands_cached): New.
6066 * recog.h (constrain_operands_cached): Declare.
6067 * i386.c (ix86_attr_length_immediate_default,
6068 ix86_attr_length_address_default, ix86_agi_dependant): Cache
6071 * recog.c (asm_noperands): Tweak.
6072 (extract_insn): Do not call asm_noperads for non-asm instructions.
6074 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
6076 * recog.c (recog_memoized): Rename to recog_memoized_1.
6077 * recog.h (recog_memoized): Rename to recog_memoized_1.
6078 (recog_memoized): New macro.
6079 * rtl.h (single_set): Rename to single_set_1
6080 (single_set): New macro.
6081 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
6084 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
6085 Do not use match_dup of input operands at outputs.
6086 Use register_operand for memory expression.
6087 (rep_movsi): Put use last, canonicalize.
6088 Use register_operand for memory expression.
6089 (rep_movqi): Put use last.
6090 Use register_operand for memory expression.
6091 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
6092 of input operands at outputs. Use register_operand for memory
6094 (rep_stossi): Put use last; canonicalize; fix match_dup in
6095 the address expression
6096 (rep_stosqi): Likewise.
6097 (memcmp expander): Update calls.
6098 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
6101 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
6103 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
6105 2000-09-28 David O'Brien <obrien@FreeBSD.org>
6107 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
6108 Contains the old contents of config/i386/freebsd.h
6109 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
6110 Contains the old contents of config/i386/freebsd-elf.h
6111 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
6112 config/i386/freebsd.h.
6113 * configure.in: Adjust for above changes.
6114 * po/POTFILES.in: Likewise.
6115 * po/en_GB.po: Likewise.
6116 * po/gcc.pot: Likewise.
6117 * configure: Rebuilt.
6119 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6121 * doloop.c (doloop_modify): Prevent delete_insn() from
6122 deleting too much. Prefer loop->top over loop->start as
6123 target for the new JUMP insn.
6124 (doloop_valid_p): Ignore loop with exit_count != 0.
6126 2000-09-28 Philipp Thomas <pthomas@suse.de>
6128 * invoke.texi (i386 Options): Add athlon to table of possible
6131 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
6133 * diagnostic.h (output_clear_message_text): New function.
6134 (output_message_text): New macro.
6136 * diagnostic.c (clear_text_info): Rename to
6137 output_clear_message_text.
6138 (output_clear): Adjust.
6139 (output_finish): Rename to output_finalize_message. Tweek.
6140 (output_to_stream): Adjust.
6142 2000-09-28 Neil Booth <neilb@earthling.net>
6144 * cpperror.c (_cpp_begin_message): Do the test for suppression
6145 of warnings and pedantic warnings before the "is a warning an
6147 * cppinit.c (cpp_handle_option): Remove surplus \n.
6148 * cpplex.c (ON_REST_ARG): Delete.
6149 (skip_block_comment): Initialise prevc.
6150 (parse_args): Improve error messages.
6151 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
6153 * cpplib.c (cpp_push_buffer): Fix grammar in message.
6154 * cppmain.c (main): Set callbacks for #ident and #pragma
6155 only if no_output option is false.
6156 (do_pragma_implementation): Only call the #pragma handler
6157 if it is set in the cpp_reader structure.
6159 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
6161 * integrate.c (copy_insn_list): if an ignored return value
6162 is being clobbered, skip cloning that into the inline copy.
6164 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
6166 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
6167 use @uref for formatting URLs.
6169 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
6171 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
6174 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
6176 * gcc.c (cpp_options): Add spec for -ftabstop=.
6177 (invoke_as): New spec that handles invoking as.
6178 Update specs to handle -save-temps and -traditional.
6179 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
6181 * cp/lang-specs.h, objc/lang-specs.h: Update to use
6182 invoke_as, and handle -save-temps and -traditional (if
6185 2000-09-26 Jakub Jelinek <jakub@redhat.com>
6187 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
6189 (function_arg_slotno): Accept TImode/CTImode.
6190 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
6193 2000-09-26 Michael Hayes <mhayes@cygnus.com>
6195 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
6198 2000-09-25 Jim Wilson <wilson@cygnus.com>
6200 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
6201 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
6202 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
6203 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
6205 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
6207 * cpplex.c (parse_args): Don't set VOID_REST flag.
6208 (CONTEXT_VARARGS): New flag.
6209 (maybe_paste_with_next): Set context earlier in loop. Use
6210 it. Do varargs test with CONTEXT_VARARGS flag.
6211 (push_arg_context): Set CONTEXT_VARARGS flag if we're
6212 pushing an argument context for a varargs argument.
6213 * cpplib.h (VOID_REST): Delete.
6214 * gcc.dg/cpp/vararg1.c: Add test case.
6216 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
6218 * flags.h: Declare warning flag warn_system_headers.
6219 * toplev.c: Define it.
6220 (W_options): Add option -Wsystem-headers.
6221 * diagnostic.c (count_error): Test warn_system_headers.
6222 * invoke.texi: Add description for -Wsystem-headers.
6223 * cpplib.h (cpp_options): New member warn_system_headers.
6224 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
6225 CPP_IN_SYSTEM_HEADER.
6226 * cpplib.c (do_import, do_pragma_once): Likewise.
6227 * cpperror.c (_cpp_begin_message): Test warn_system_headers
6228 and CPP_IN_SYSTEM_HEADER.
6229 * cppinit.c (handle_option): Recognize -Wsystem_headers.
6230 (print_help): Describe -Wsystem_headers.
6231 * cpplex.c (lex_line): Reorganize condition so that warnings
6232 about C++ comments in system headers can be enabled. Remove
6233 label do_line_comment.
6235 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
6237 * cpplex.c (save_comment): Only store the initial '/'
6239 (lex_token): Combine handling of the two comment types.
6240 Pass everything but the initial '/' to save_comment.
6242 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
6244 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
6245 _cpp_can_paste): New library-internal prototypes.
6246 * cpplex.c (dump_param_spelling, output_line_command,
6247 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
6248 cpp_printf, cpp_output_list): Move to cppoutput.c.
6249 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
6250 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
6252 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
6253 dump_param_spelling, output_line_command, cpp_scan_buffer,
6254 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
6256 * Makefile.in: Add cppoutput.c.
6257 * po/POTFILES.in: Add cppoutput.c.
6259 2000-09-25 Richard Henderson <rth@cygnus.com>
6261 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
6262 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
6263 split until after reload.
6264 (rotlsi3, rotldi3): New.
6266 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
6268 * diagnostic.c (output_last_position): Define.
6269 (set_real_maximum_length): Tweek.
6270 * diagnostic.h (output_last_position): Declare.
6272 2000-09-25 Kazu Hirata <kazu@hxi.com>
6274 * config/i386/i386.c: Fix formatting.
6276 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
6278 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
6279 UNITS_PER_WORD is small.
6281 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
6283 * c-common.c (format_char_info): Add flags2; update comments.
6284 (print_char_table, scan_char_table, time_char_table): Split some
6285 flags out into flags2.
6286 (check_format_info): Use flags2 for those flags, for identifying
6287 the initial character of a scanf scanset, and for identifying
6288 printf formats where the '0' flag is ignored with precision.
6290 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
6292 Changes below marked "here" add TABs on either or both sides,
6293 covering start of line, up to any operand for all noted .*ASM.*_OP
6294 definitions. All callers changed.
6295 * tm.texi: Make documented *_ASM.*_OP:s include spacing
6296 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
6297 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6298 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6299 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
6300 Fix typos in description for LONG_LONG_TYPE_SIZE and
6301 FINI_SECTION_ASM_OP.
6302 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
6303 why these defaults don't have leading spacing.
6304 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
6305 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6306 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
6307 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
6308 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
6309 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
6310 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
6311 * varasm.c (ASM_STABS_OP): Here.
6312 * xcoffout.h (ASM_STABS_OP): Here.
6313 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6314 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6315 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6316 STRING_ASM_OP): Here.
6317 * config/freebsd.h (IDENT_ASM_OP): Here.
6318 * config/linux-aout.h (SET_ASM_OP): Here.
6319 * config/linux.h (SET_ASM_OP): Here.
6320 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6322 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6323 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6324 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6325 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6327 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6328 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6329 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6330 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6331 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6332 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6333 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6334 * config/a29k/udi.h (INT_ASM_OP): Here.
6335 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6336 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6338 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6339 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6340 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6341 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6342 ASM_STABD_OP): Here.
6343 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6344 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6345 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6346 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6347 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6348 SIZE_ASM_OP, STRING_ASM_OP): Here.
6349 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6350 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6351 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6352 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6353 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6354 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6356 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6357 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6358 * config/arm/coff.h (INT_ASM_OP): Here.
6359 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6360 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6361 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6362 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6363 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6364 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6365 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6366 STRING_ASM_OP): Here. Update documentation copy in comments.
6367 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6368 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6369 DATA_SECTION_ASM_OP): Here.
6370 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6372 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6373 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6374 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6375 BSS_SECTION_ASM_OP): Here.
6376 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6377 BSS_SECTION_ASM_OP): Here.
6378 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6380 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6381 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6382 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6383 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6384 BSS_SECTION_ASM_OP): Here.
6385 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6386 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6387 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6388 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6389 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6391 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6392 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6394 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6395 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6396 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6397 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6399 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6400 * config/i386/netbsd.h (INT_ASM_OP): Here.
6401 * config/i386/openbsd.h (INT_ASM_OP): Here.
6402 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6403 IDENT_ASM_OP): Here.
6404 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6405 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6406 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6407 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6408 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6409 SHARED_BSS_SECTION_ASM_OP): Here.
6410 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6411 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6412 DATA_SECTION_ASM_OP): Here.
6413 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6414 CONST_SECTION_ASM_OP): Here.
6415 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6416 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6417 BSS_SECTION_ASM_OP): Here.
6418 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6419 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6420 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6421 BSS_ASM_OP): Here, but use trailing spaces.
6422 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6423 DATA_SECTION_ASM_OP): Here.
6424 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6426 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6427 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6428 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6429 TDESC_SECTION_ASM_OP): Here.
6430 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6431 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6432 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6434 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6435 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6436 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6437 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6438 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6439 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6440 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6441 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6442 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6443 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6444 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6445 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6447 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6448 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6449 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6450 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6451 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
6452 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
6453 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
6454 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6455 GLOBAL_ASM_OP): Here.
6456 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
6457 BSS_SECTION_ASM_OP): Here.
6458 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
6459 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6460 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
6461 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
6463 * config/m68k/newsgas.h (SET_ASM_OP): Here.
6464 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
6465 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6466 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6467 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6468 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
6469 but use trailing spaces.
6470 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
6471 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
6472 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
6474 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6475 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6476 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6477 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6478 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6479 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
6480 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
6481 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
6482 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
6483 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
6484 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6485 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
6487 * config/m88k/openbsd.h (SET_ASM_OP): Here.
6488 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6489 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6490 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
6491 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
6492 DTORS_SECTION_ASM_OP): Here.
6493 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
6494 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6495 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
6496 BSS_SECTION_ASM_OP): Here.
6497 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
6498 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
6499 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
6500 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
6501 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
6502 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6503 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
6504 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
6506 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
6508 * config/mips/osfrose.h (SET_ASM_OP): Here.
6509 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
6510 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
6511 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
6512 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6514 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
6515 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
6516 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
6517 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
6518 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
6519 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6521 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6523 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
6524 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
6525 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
6527 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
6528 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
6529 * config/sparc/linux.h (COMMON_ASM_OP): Here.
6530 * config/sparc/linux64.h (COMMON_ASM_OP,
6531 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6532 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
6533 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6534 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
6535 * config/sparc/pbd.h (ASM_INT_OP): Here.
6536 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
6537 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6538 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
6539 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
6540 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
6541 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
6542 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
6543 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
6544 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
6545 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6546 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6547 EH_FRAME_SECTION_ASM_OP): Here.
6548 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
6549 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6551 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6553 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
6554 TCOMMON_ASM_OP): Here.
6555 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6557 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6560 2000-09-25 Richard Henderson <rth@cygnus.com>
6562 * expmed.c (store_bit_field): Adjust last change to not consider
6563 any word-sized field naturally aligned.
6565 2000-09-24 Richard Henderson <rth@cygnus.com>
6567 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
6568 TFmode unordered compares properly. Revalidate integer compare
6570 (alpha_emit_setcc): New.
6571 (alpha_emit_conditional_move): Revalidate integer compare operands.
6572 * config/alpha/alpha-protos.h: Update.
6573 * config/alpha/alpha.md (cmpdi): Allow general operands.
6574 (sne): Use alpha_emit_setcc.
6575 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
6576 (sunordered, sordered): New.
6578 2000-09-24 Richard Henderson <rth@cygnus.com>
6580 * config/ia64/ia64-protos.h: Update.
6581 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
6582 (ia64_expand_call): New.
6583 (ia64_expand_prologue): Emit an alloc if we need extra input
6585 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
6586 instruction if true.
6587 (struct reg_flags): Add is_sibcall.
6588 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
6589 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
6590 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
6591 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6592 * config/ia64/ia64.md (call): Use ia64_expand_call.
6593 (call_value): Likewise.
6594 (sibcall, sibcall_value): New.
6595 (call patterns): Remove extra expanders; tidy.
6596 (sibcall_epilogue): New.
6597 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
6599 2000-09-24 Richard Henderson <rth@cygnus.com>
6601 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
6603 * sibcall.c (skip_pic_restore): New.
6604 (identify_call_return_value): Use it.
6606 2000-09-24 Mark Mitchell <mark@codesourcery.com>
6608 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
6609 functions. Generalize to handle both C and C++.
6610 * Makefile.in (c-tree.info): New target.
6611 (info): Add c-tree.info.
6613 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6615 * expr.c (store_field): If BITSIZE is negative, use size of type.
6616 (expand_expr, case COMPONENT_EXPR): Likewise.
6618 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
6620 * cpplex.c: Update TODO comment.
6621 * cpplib.c (do_error, do_warning): Merge common code of
6622 do_error and do_warning into do_diagnostic. Use it.
6623 (do_diagnostic): New function.
6624 * cpplib.h: Fix comment typo.
6626 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6628 * c-common.c (check_format_info): Warn for a wide character string
6629 used as a non-wide format argument.
6631 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6633 * builtins.def (BUILT_IN_LLABS): Add.
6634 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
6635 * c-common.c (c_common_nodes_builtins): Create builtin functions
6636 __builtin_llabs, and plain llabs unless no_nonansi_builtins
6637 outside of C99 mode.
6638 (expand_tree_builtin): Handle BUILT_IN_LLABS.
6640 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
6642 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
6643 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
6644 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
6645 _cpp_free_toklist): No need to worry about extra dummy token
6646 at the start of token lists any more.
6647 (trigraph_ok): Only warn outside comments.
6648 (skip_block_comment): Set and clear lexing_comment.
6649 (skip_line_comment): Take a cpp_reader not cpp_buffer.
6650 Set and clear lexing_comment.
6651 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
6652 (check_long_token): Delete.
6653 (lex_percent, lex_dot): New subroutines of lex_token to
6654 handle lexing of '.' and '%' without lookback.
6655 (lex_token): Use lex_dot and lex_percent.
6656 (lex_line): Don't check for LIST_OFFSET.
6657 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
6658 * cpplib.c (_cpp_parse_assertion): Similarly.
6659 (cpp_push_buffer): Initialize extra_char.
6660 * cpplib.h (LIST_OFFSET): Delete.
6661 (struct cpp_buffer): New member extra_char.
6662 (struct lexer_state): New members lexing_comment and seen_dot.
6664 2000-09-23 Jason Merrill <jason@redhat.com>
6666 * config/rs6000/x-aix41 (CLIB): Define here.
6667 * config/rs6000/t-aix43: Not here.
6668 * config/rs6000/t-aix41: Or here. Remove.
6669 * configure.in: Don't use it.
6671 2000-09-22 Jason Merrill <jason@redhat.com>
6673 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
6674 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
6675 * config.in: Regenerate.
6677 * configure.in: Fix checks for assembler features when using a
6678 one-tree assembler that has not yet been built.
6679 Fix --disable-threads.
6681 2000-09-19 Geoff Keating <geoffk@cygnus.com>
6683 * stmt.c (expand_asm_operands): Allow # in constraints.
6685 2000-09-22 Jason Merrill <jason@redhat.com>
6687 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
6689 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
6690 function-local names.
6692 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
6693 Mark Mitchell <mark@codesourcery.com>
6695 * toplev.c (warn_disabled_optimization): Declare new warning flag.
6696 * flags.h (warn_disabled_optimization): Add it here.
6697 * gcse.c (gcse_main): Add warning when disabled.
6698 * invoke.texi: Document -Wdisabled-optimization.
6700 2000-09-21 Jason Merrill <jason@redhat.com>
6702 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
6704 * dwarf2out.c (tree_add_const_value_attribute): New fn.
6705 (gen_variable_die): Call it for non-definitions.
6707 * dwarf2out.c (die_struct): Add die_mark field.
6708 (mark_dies, unmark_dies): New fns.
6709 (clear_die_sizes): Remove.
6710 (print_die): Check die_symbol rather than die_offset.
6711 (build_abbrev_table, output_pubnames, output_aranges): Check
6712 die_mark rather than die_offset.
6713 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
6716 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
6718 * cppfiles.c (lookup_include_file): Rename to open_file.
6719 Always create a splay tree value, even on syscall failures.
6720 Negative entries indicated by fd == -2.
6721 Re-open files closed in the meantime.
6722 (_cpp_fake_include): Create a negative splay tree entry.
6723 (find_include_file, cpp_read_file): Update for function name
6725 * gcc.gd/cpp/mi4.c: Testcase.
6727 2000-09-21 Nick Clifton <nickc@redhat.com>
6729 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
6730 ARM and THUMB modes.
6732 * config/mcore/mcore.c: Fix compile time warnings.
6733 * config/mcore/mcore-protos.h: Fix compile time warnings.
6735 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6737 * configure.in: Correct test of gcc_cv_glibc.
6738 * configure: Rebuilt.
6739 * config.in: Rebuilt.
6741 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6743 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
6744 (expand_builtin): Handle BUILT_IN_FWRITE.
6746 * builtins.def (BUILT_IN_FWRITE): New entry.
6748 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
6750 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6752 * gcc.c (modify_target): New variable and struct.
6753 (process_command): Handle MODIFY_TARGET_NAME.
6754 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
6755 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
6757 * c-decl.c (finish_decl): Add else's to avoid referencing
6758 TYPE_DOMAIN of an ERROR_MARK.
6760 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
6762 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
6765 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
6767 * config/avr/avr.md (neghi2): Add alternative for input and output
6768 operands in different registers, as in negsi2.
6769 (*negsi2): Remove '*' from the name. Use "movw" if available.
6771 2000-09-19 Jim Wilson <wilson@cygnus.com>
6773 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
6774 HAVE_GAS_HIDDEN macro.
6776 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
6778 * cpplex.c (lex_line): Drop the EOF token for unknown
6779 directives in assembler.
6781 2000-09-19 David Edelsohn <edelsohn@gnu.org>
6783 * configure.in: Allow enable_threads_flag value of "aix". Define
6784 thread_file as "aix" for AIX 4.3 and above.
6785 * configure: Regenerated.
6787 * gthr-aix.h: New file.
6789 * rs6000/t-aix43: Replace soft-float multilib with pthread.
6790 Remove 403 processor multilib match. Fix rios2 processor multilib
6793 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
6794 to return to appropriate csect.
6796 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6798 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
6800 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
6801 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
6804 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
6807 * c-common.c (init_function_format_info): Handle __builtin_printf.
6808 Set `check_function_format_ptr'.
6809 (c_common_nodes_and_builtins): Set `puts_ftype' and
6810 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
6811 __builtin_printf and printf.
6813 * tree.c, tree.h (check_function_format_ptr): Declare.
6815 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
6817 * cppfiles.c (read_include_file): Take no special action for
6820 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
6822 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
6823 rather than that of branch.
6824 (shorten_branches): Don't increment insn_current_address twice.
6826 Undo most of the Wed Jan 27 23:39:53 1999 patch:
6827 * loop.h (struct induction): Delete members derived, ix and last_use.
6828 (struct loop_ivs): Delete members first_increment_giv and
6830 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
6831 recombine_givs): Delete functions.
6832 (find_and_verify_loops): Don't initialize cont_dominator.
6833 (strength_reduce): Lose code to try to find bivs that can be
6834 expressed as givs of another biv, and to convert biv increments
6836 Lose loop_scan_start variable, always use loop->scan_start.
6837 Don't call recombine_givs. Don't handle derived givs.
6838 (record_giv): Don't initialize derived and last_use fields.
6839 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
6841 * unroll.c (derived_regs): Delete static variable.
6842 (unroll_loop): Don't initialize it.
6843 (copy_loop_body): Lose code to handle derived givs.
6844 (find_splittable_givs): Don't check for givs made from biv
6846 Don't set derived_regs.
6848 Fix misapplied earlier patch:
6849 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
6851 (floatsisf2): Generate floatsisf_ie by default.
6852 (floatsisf_i4): Conditional on TARGET_SH4.
6854 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
6855 predicate for the expanders.
6857 2000-09-19 Richard Henderson <rth@cygnus.com>
6859 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
6860 in addition to pentium and pentiumpro symbols.
6861 (CPP_CPU_DEFAULT_SPEC): Likewise.
6863 * c-typeck.c (c_expand_asm_operands): Restore the output tree
6866 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
6867 if the tree has side effects.
6868 (warn_if_unused_value): Do not warn about void constructs.
6870 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
6872 * unroll.c (copy_loop_body): Update LABEL_NUSES before
6873 calling invert_jump.
6875 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6877 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
6880 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6882 * Makefile.in (c-common.o): Depend on diagnostic.h.
6884 * c-common.c: Include diagnostic.h.
6886 (status_warning): New function.
6887 (check_format_info, maybe_read_dollar_number, check_format_types,
6888 finish_dollar_format_checking, check_function_format): Accept a
6889 `status' parameter. All callers changed.
6891 * c-common.h (check_function_format): Accept a `status' parameter.
6893 * c-typeck.c: Update call to `check_function_format'.
6895 2000-09-18 Richard Henderson <rth@cygnus.com>
6897 * c-decl.c (c_expand_body): Call mark_varargs before
6898 expand_function_start.
6900 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6902 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6903 * config/rs6000/eabi-ci.asm: Likewise.
6905 2000-09-18 Richard Henderson <rth@cygnus.com>
6907 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6910 2000-09-18 Jim Wilson <wilson@cygnus.com>
6912 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6913 before passing it to fold_rtx_mult_add.
6915 * unroll.c (final_giv_value): Pass increment through
6916 extend_value_for_giv before passing it to emit_iv_add_mult.
6918 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6919 paradoxical subreg, then directly substitute the replacement and
6922 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6924 * cpp.texi: Update documentation, including some clarifications,
6925 the treatment of various newline combinations, and space between
6926 backslash and newline.
6928 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6930 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6931 Replace ASM_OUTPUT_LABELREF with assemble_name.
6933 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6935 * sh.c (addsubcosts): CONST is not cheap.
6936 (find_barrier): For Sh1, take alignment after jumps into account.
6938 2000-09-15 Andrew Haley <aph@redhat.com>
6940 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6941 remove all SETs of SUBREGs of hard registers.
6942 * function.c (purge_hard_subreg_sets): New function.
6943 (purge_single_hard_subreg_set): New function.
6944 * rtl.h: (purge_hard_subreg_sets): New function.
6946 2000-09-18 Richard Henderson <rth@cygnus.com>
6948 * config/ia64/ia64-protos.h: Update.
6949 * config/ia64/ia64.c (signed_inequality_operator): New.
6950 (ia64_expand_compare): New.
6951 (ia64_register_move_cost): Handle PR_REGS moves.
6952 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6953 (struct reg_write_state): Add written_by_and/or.
6954 (struct reg_flags): Add is_and/or.
6955 (rws_update): Set them.
6956 (rws_access_regno): Test them to allow parallel comparisons.
6957 (rtx_needs_barrier): Recognize parallel comparisons.
6958 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6959 Call recog_memoized; ignore pred_rel_mutex.
6960 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6961 (ia64_reorg): Do it here instead.
6962 * config/ia64/ia64.h: s/CCmode/BImode/g
6963 (MODES_TIEABLE_P): Don't tie BImode.
6964 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6965 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6966 (RTX_COSTS): Make multiply 4 insns.
6967 (MEMORY_MOVE_COST): New.
6968 (PREDICATE_CODES): Update.
6969 * config/ia64/ia64.md: s/CCmode/BImode/g
6970 (movcci, movbi): New.
6971 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6972 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6973 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6974 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6975 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6976 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6977 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6978 (mulsi, muldi): Use xmpy not xma.
6980 (movcc, movcc_internal): Remove.
6981 (branch expanders): Use ia64_expand_compare.
6982 (setcc expanders): Likewise.
6983 (cmov insns): Use move_operand and ia64_move_ok.
6984 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6985 scheduler from moving it past a use.
6986 * config/ia64/build.hacks: Remove.
6988 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6990 * cpphash.h (HASHSTEP): Take character rather than pointer
6992 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6994 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6996 * cpplex.c (auto_expand_name_space, trigraph_replace,
6997 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6998 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6999 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
7000 KNOWN_DIRECTIVE): Delete.
7002 (handle_newline, check_long_token, skip_escaped_newlines,
7003 unterminated): New functions.
7004 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
7006 (parse_identifier): Was parse_name, new implementation.
7007 (skip_line_comment, skip_block_comment, skip_whitespace,
7008 parse_number, parse_string, trigraph_ok, save_comment,
7009 adjust_column, _cpp_get_line): New implementations.
7011 (lex_token): New function. Lexes a token at a time, looking
7012 forwards. Contains most of the guts of the old lex_line.
7013 (lex_line): New implementation, using lex_token to obtain
7015 (cpp_scan_buffer): Use the token's line, not the list's line.
7017 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
7018 New implementations.
7019 (do_assert): Don't bother setting the answer's list's line.
7020 (cpp_push_buffer): Initialise new pfile and read_ahead members
7021 of struct cpp_buffer.
7023 * cpplib.h (cppchar_t): New typedef.
7024 (struct cpp_buffer): read_ahead, pfile and col_adjust are
7026 (struct lexer_state): New structure that determines the state
7027 and behaviour of the lexer.
7028 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
7029 (struct cpp_reader): New member "state". Rename
7030 multiline_string_line and multiline_string_column. Delete
7031 col_adjust, in_lex_line members.
7032 (CPP_BUF_COLUMN): Update.
7034 2000-09-18 Richard Henderson <rth@cygnus.com>
7036 * combine.c (simplify_comparison): Shift a NOT out of a single
7039 * combine.c (if_then_else_cond): Canonicalize BImode true to
7041 * explow.c (trunc_int_for_mode): Likewise.
7043 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
7044 the NOT for De Morgan's rule.
7045 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
7046 of a comparison to the reverse comparison.
7048 * combine.c (try_combine): Allow split to create a single insn.
7050 * machmode.def: Add BImode. Add a column for bitsize.
7051 * machmode.h (DEF_MACHMODE): Adjust for extra column.
7052 (GET_MODE_BITSIZE): Use it.
7053 * rtl.c (DEF_MACHMODE): Adjust for extra column.
7054 (mode_bitsize): New.
7055 (mode_mask_array): Use bitsize.
7056 * combine.c (combine_simplify_rtx): Require inner and outer
7057 modes to match on nonzero_bits optimizations.
7059 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7061 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
7062 its entry in spill_reg_store.
7063 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
7064 * sh.c (reg_no_subreg_operand): New function.
7065 * sh-protos.h (reg_no_subreg_operand): Declare it.
7066 * sh.h (PREDICATE_CODES): Add it.
7067 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
7068 input operand that needs to be in fpul.
7069 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
7070 * sh.c (find_barrier): Take into account that machine_dependent_reorg
7071 might add new insns.
7073 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
7075 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
7077 (sh_expand_epilogue): Take the PIC register into account when
7078 computing the frame size.
7080 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
7081 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
7082 LABEL_REFs with a PIC-safe unspec.
7084 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7086 * c-common.c (check_format_info): Properly save the argument
7087 number and parameter for $ operand number formats in case width
7088 and precision arguments are also used. Allow printf width and
7089 precision arguments to have operand numbers even if none was
7090 specified for the main format, since this is OK for %*.*m. Only
7091 object to missing $ operand number if the format used requires an
7094 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7096 * c-common.c (format_char_info): Add 'W' flag to comment.
7097 (print_char_table, scan_char_table): Use it.
7098 (check_format_info): Use the 'W' flag to determine whether a
7099 format argument is written into.
7101 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7103 * c-common.c (check_format_types): Reorganise and clean up,
7104 checking earlier for ERROR_MARKs and making cur_type into its
7105 TYPE_MAIN_VARIANT where convenient.
7107 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
7109 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
7111 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
7113 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
7115 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
7116 * i386.c (struct builtin_description): New.
7117 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
7118 (mmx_reg_operand): Declare MODE arg as unused.
7119 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
7120 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
7121 ix86_expand_binop_builtin, ix86_expand_store_builtin,
7122 ix86_init_builtins, ix86_expand_builtin): New functions.
7123 * i386.h (ix86_builtins): New enumeration.
7124 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
7125 * i386.md (attr length_immediate): 0 for mmx/sse types.
7126 (attr prefix_0f): 1 for mmx/sse types.
7127 (setcc_2): Remove "*" so we get gen_setcc_2.
7128 (emms): Account for changed register numbering. Set "memory" attr
7130 (sfence): Set "memory" attr to unknown.
7132 2000-09-18 Andreas Jaeger <aj@suse.de>
7134 * configure.in: Define _GNU_SOURCE only when using the GNU C
7136 * configure: Regenerated.
7137 * config.in: Regenerated.
7139 2000-09-17 Mark Mitchell <mark@codesourcery.com>
7141 * cppinit.c (cpp_init): Don't use ANSI prototypes.
7142 * flow.c (flow_dump_loop): Likewise.
7143 (flow_loops_dump): Likewise.
7145 * c-typeck.c (c_start_case): Fix typo.
7147 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7149 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
7150 to int for plain complex which defaults to complex double. Do
7151 warn about defaulting to complex double if pedantic. Warn about
7152 complex integer types if pedantic. Warn about complex types if
7153 pedantic and not in C99 mode.
7154 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
7155 for complex conjugation.
7157 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
7159 * contrib.texi: Update my entry.
7161 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
7163 * config/avr/avr.md (mcu_enhanced): New attribute.
7164 (mcu_mega): Likewise.
7165 (extendhisi2): Use mcu_enhanced.
7166 (zero_extendhisi2): Likewise.
7167 (call_insn): Use mcu_enhanced and mcu_mega.
7168 (call_value_insn): Likewise.
7169 (*sbrx_branch): Use mcu_mega.
7170 (*sbrx_and_branchsi): Likewise.
7171 (*sbrx_and_branchhi): Likewise.
7172 (*tablejump_lib): Likewise.
7174 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7176 * alias.c (true_dependence): Allow non-unchanging read to conflict
7177 with unchanging write.
7179 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
7180 (store_constructor): Pass alias_set to it.
7182 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
7183 TYPE_MAIN_VARIANT of ERROR_MARK.
7184 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
7186 * simplify-rtx.c (simplify_unary_operation): Add cases
7187 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
7189 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
7191 * expr.h (emit_library_call, emit_library_call_value): Delete
7193 * rtl.h (enum libcall_type): New.
7194 (emit_library_call, emit_library_call_value): Change fn_type arg to
7195 be of type enum libcall_type.
7196 * calls.c: Likewise for the function definitions. Several callers
7197 throughout changed to use the new enumeration appropriately.
7198 (emit_library_call_value_1): Likewise. Put back code to make libcall
7199 blocks of equal form, but only use it for the two new higher
7202 2000-09-16 Mark Mitchell <mark@codesourcery.com>
7204 Convert the C front-end to use function-at-a-time mode.
7205 * c-common.h: Include splay-tree.h.
7206 (C_DECLARED_LABEL_FLAG): New macro.
7207 (struct language_function): Add x_scope_stmt_stack and
7208 x_function_name_declared_p.
7209 (RECHAIN_STMTS): Move definition.
7210 (lang_statment_code_p): Likewise.
7211 (lang_expand_stmt): Likewise.
7212 (lang_expand_decl_stmt): New variable.
7213 (lang_expand_function_end): Likewise.
7214 (current_scope_stmt_stack): New function.
7215 (add_decl_stmt): Likewise.
7216 (add_scope_stmt): Likewise.
7217 (mark_stmt_tree): Likewise.
7218 (struct c_lang_decl): New structure.
7219 (DECL_SAVED_TREE): Define.
7220 (c_mark_lang_decl): New function.
7221 (c_expand_start_cond): Change prototype.
7222 (c_finish_then): New function.
7223 (c_finish_else): Likewise.
7224 (current_function_name_declared): Remove.
7225 (set_current_function_name_declared): Likewise.
7226 (mark_c_language_function): Declare.
7227 (case_compare): Likewise.
7228 (c_add_case_label): Likewise.
7229 (c_expand_expr): Likewise.
7230 (c_safe_from_p): Likewise.
7231 * c-common.c (lang_expand_function_end): New variable.
7232 (struct if_elt): Add if_stmt.
7233 (c_expand_start_cond): Add the if-statement to the statement-tree,
7234 rather than generating RTL.
7235 (c_finish_then): New function.
7236 (c_expand_start_else): Don't generate RTL.
7237 (c_finish_else): New function.
7238 (c_expand_expr_stmt): Don't generate RTL.
7239 (statement_code_p): Add SCOPE_STMT.
7240 (case_compare): New function.
7241 (c_add_case_label): Likewise.
7242 (mark_stmt_tree): Likewise.
7243 (c_mark_lang_decl): Likewise.
7244 (mark_c_language_function): Likewise.
7245 (c_expand_expr): Likewise.
7246 (c_safe_from_p): Likewise.
7247 * c-decl.c (c_stmt_tree): New variable
7248 (c_scope_stmt_stack): Likewise.
7249 (c_function_name_declared_p): Likewise.
7250 (lang_expand_expr_stmt): Remove.
7251 (poplevel): Don't call output_inline_function for nested
7253 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
7255 (redeclaration_error_message): Change means of computing whether
7256 or not a function is nested.
7257 (lookup_label): Don't call label_rtx.
7258 (init_decl_processing): Add more GC roots.
7259 (start_decl): Add DECL_STMTs to the statement-tree, rather than
7260 calling rest_of_decl_compilation.
7261 (finish_decl): Don't call expand_decl.
7262 (store_parm_decls): Begin the statement-tree, but don't generate
7264 (finish_function): Tie off the statement-tree. Call c_expand_body
7266 (c_expand_body): New function.
7267 (push_c_function_context): Save more information.
7268 (pop_c_function_contxt): Likewise.
7269 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
7270 (lang_mark_tree): Mark it.
7271 (current_stmt_tree): Adjust.
7272 (current_scope_stmt_stack): New function.
7274 (set_current_name_declared): Likewise.
7275 (c_begin_compound_stmt): Define.
7276 (c_expand_decl_stmt): Likewise.
7277 * c-lang.c: Include rtl.h and expr.h.
7278 (lang_init): Set more language-specific hooks.
7279 * c-lex.c: Include expr.h.
7280 * c-parse.in: Changes throughout to add statements to the
7281 statement-tree, rather than generating RTL after every statement.
7282 * c-semantics.c (lang_expand_decl_stmt): Define.
7283 (add_decl_stmt): New function.
7284 (add_scope_stmt): Likewise.
7285 (finish_stmt_tree): Tweak.
7286 (genrtl_expr_stmt): Likewise.
7287 (genrtl_decl_stmt): Handle local labels, and call
7288 lang_expand_decl_stmt if required.
7289 (genrtl_for_stmt): Fix line-number handling.
7290 (genrtl_case_label): Handle cleanups.
7291 (genrtl_asm_stmt): Don't call combine_strings.
7292 (genrtl_compound_stmt): Simplify.
7293 (expand_stmt): Handle SCOPE_STMTs.
7294 * c-tree.h (struct lang_decl): New structure.
7295 (C_DECLARED_LABEL_FLAG): Remove.
7296 (c_begin_compound_stmt): Declare.
7297 (c_expand_decl_stmt): Likewise.
7298 (c_expand_start_case): Rename to c_start_case.
7299 (c_finish_case): New function.
7300 * c-typeck.c (start_init): Tweak setting of
7301 constructor_incremental.
7302 (c_expand_asm_operands): Tweak error-handling. Add to the
7304 (c_expand_return): Add to the statement-tree.
7305 (c_expand_start_case): Rename to ...
7306 (c_start_case): ... this.
7307 (struct c_switch): New type.
7308 (switch_stack): New variable.
7309 (do_case): Simplify.
7310 (c_finish_case): New function.
7311 * dependence.c: Include expr.h.
7312 (enum dependence_type): Change spelling of enumerals.
7313 (check_node_dependence): Adjust.
7314 * expr.h (lang_safe_from_p): Declare.
7315 (safe_from_p): Likewise.
7316 * expr.c (lang_safe_from_p): New variable.
7317 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7318 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7319 * toplev.c (rest_of_decl_compilation): Robustify.
7320 * tree.c (contains_placeholder_p): Likewise.
7321 * Makefile.in: Update dependencies.
7322 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7323 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7324 (objc_expand_function_end): New function.
7325 (finish_method_def): Use it.
7326 (init_objc): Initialize more language-specific hooks.
7327 * objc/Make-lang.in: Update dependencies.
7329 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7331 * configure.in: Define macros that affect features before
7332 testing for features. Don't define _XOPEN_SOURCE.
7333 * configure: Regenerated.
7334 * config.in: Regenerated.
7336 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7338 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7339 (rtx_unstable_p): Restructure code. Volatile asms
7342 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7344 * function.h (no_debugging_symbols): New field.
7345 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7346 Initialize no_debugging_symbols.
7347 (output_inline_function): Save and restore write_symbols and set from
7348 no_debugging_symbols.
7349 * toplev.c (rest_of_compilation): Call save_for_inline.
7350 * tree.h: Update comment.
7352 * stor-layout.c (place_field): Don't do anything if field or
7353 its type are ERROR_MARK.
7355 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7357 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7358 (read_include_file): Ensure inc->mmaped is initialized.
7360 2000-09-16 Richard Henderson <rth@cygnus.com>
7362 * cppiles.c (purge_cache): Use PTR not caddr_t.
7364 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7366 * gcc.c: In description for %{<S}, say the option removed is -S.
7367 * invoke.texi (Spec Files): Ditto.
7369 2000-09-16 Andreas Jaeger <aj@suse.de>
7371 * configure.in: Always define _GNU_SOURCE to make interfaces
7372 visible that were hidden by only defining _GNU_SOURCE.
7373 * configure: Regenerated.
7375 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7377 * cpplex.c (push_macro_context): Set an argument's level after
7378 calling parse_args. We could loop infinitely otherwise.
7380 2000-09-15 Tom Tromey <tromey@cygnus.com>
7382 * configure, config.in: Rebuilt.
7383 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7385 2000-09-15 Greg McGary <greg@mcgary.org>
7387 * cppmacro.c (check_trad_stringification): Check token
7388 text pointers against limit before dereferencing.
7390 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7392 * c-common.c (format_wanted_type): New structure.
7393 (check_format_types): New function.
7394 (check_format_info): Pass all checking of types of format
7395 arguments, including width and precision arguments, to this new
7398 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7400 * BUGS: Remove file.
7402 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7404 * config/alpha/alpha.c (override_options): ev6 cache latencies
7405 from Richard Henderson. Don't allow -mmemory-latency=L0.
7407 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7408 (TARGET_OPTIONS): Add tune=.
7409 (alpha_tune_string): Declare.
7410 * config/alpha/alpha.c (override_options): Add cpu_table.
7411 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7412 and then alpha_tune_string to set alpha_cpu only.
7413 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7414 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7415 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7416 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7418 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7420 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7422 (ix86_comparison_operator, ix86_cc_mode): Declare
7423 * i386.h (CCGC, CCGCO): New modes.
7424 (SELECT_CC_MODE): Move offline to ....
7425 * i386.c (ix86_cc_mode): .... here; use new modes.
7426 (ix86_comparison_operator): New.
7427 (fcmov_comparison_operator): Ensure proper mode.
7428 (put_condition_mode): More sanity checking.
7429 (ix86_match_ccmode): Handle new modes.
7430 (ix86_expand_fp_compare): GEU requires CCmode.
7431 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7433 * i386.md (cmp?i_ccz_1): Remove
7434 (cmp?i_ccno_1): Use ix86_match_ccmode.
7435 (cmp?i_minus_1): New.
7436 (cmpsi_1): New expander.
7437 (cmpqi_ext_1): Use match_ccmode
7438 (cmpqi_ext_3): New expander.
7439 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7440 (cmpqi_ext_4): Use match_ccmode.
7441 (add?i_?): Use match_ccmode.
7443 (test?i_ccz_1): Remove
7445 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7446 (testqi_ext_0): Use ix86_match_ccmode.
7447 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7448 (xorqi_cc_ext_1): New expander.
7449 (shift patterns): Use CCGOCmode for all shifts except for sar.
7450 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7451 (setcc_3, jcc_3, miv?icc_c): Remove.
7453 2000-09-15 Will Cohen <wcohen@redhat.com>
7455 * dwarf2out.c (add_const_value_attribute): Changed array into a
7456 xmalloced object, so it exists after function exit.
7457 (free_AT): Added case for dw_val_class_float to free allocated
7460 2000-09-15 Kazu Hirata <kazu@hxi.com>
7462 * config/i386/i386.md: Fix a comment typo.
7463 * gcc.c: Fix formatting.
7465 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7467 * optabs.c (emit_libcall_block): If target is a user variable,
7468 copy to a temporary first.
7469 * expr.c (convert_move): When generating a libcall, make a libcall
7471 * calls.c (emit_library_call_value_1): Don't create a libcall
7472 sequence here; our caller will in most cases do it.
7474 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
7476 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
7477 * sh.md (reload_outsf): Generate recognizable patterns for
7479 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
7480 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
7481 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
7482 truncdfsf2_i4): Change not to use explicit references to fpul.
7483 (floatsisf2_ie): Remove USE of fpscr.
7484 (floatsisf2): Change default expansion to match this.
7485 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
7488 2000-09-15 Richard Henderson <rth@cygnus.com>
7490 * expmed.c (store_bit_field): Consider naturally aligned
7491 memory for direct reference.
7493 2000-09-15 Richard Henderson <rth@cygnus.com>
7495 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
7496 AND addresses into alias set 0.
7497 (alpha_expand_unaligned_store): Likewise.
7498 (alpha_expand_unaligned_load_words): Likewise.
7499 (alpha_expand_unaligned_store_words): Likewise.
7501 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7503 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
7504 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
7506 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
7507 rsize of UNITS_PER_WORD.
7509 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
7511 * cpplex.c (ON_REST_ARG): Correct the test.
7512 (maybe_paste_with_next): Duplicate a token that fail pasting,
7513 and clear its PASTE_LEFT flag, so that nested pasting attempts
7516 2000-09-14 Richard Henderson <rth@cygnus.com>
7518 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
7519 * cse.c (rtx_cost): Likewise.
7520 * optabls.c (expand_binop): Likewise.
7521 (expand_twoval_binop, prepare_cmp_insn): Likewise.
7522 * regclass.c (copy_cost): Likewise.
7523 * reload1.c (reload_cse_move2add): Likewise.
7525 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
7527 * c-parse.in (reswords): Add _Complex.
7529 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7531 * gcc.1: Delete documentation for -undef preprocessor option.
7533 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
7535 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7536 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
7537 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7538 Remove undefine before config/elfos.h.
7539 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
7541 2000-09-14 Kazu Hirata <kazu@hxi.com>
7543 * invoke.texi (H8/300 Options): Add -ms2600.
7544 * config/h8300.c (h8300_init_once): Output an error when -ms2600
7545 is used without -ms.
7546 * config/h8300.h (TARGET_MAC): New.
7547 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
7548 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
7549 machine other than H8/S2600.
7550 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
7553 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
7555 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
7556 pseudos that refer to the original pseudos, not only to their
7557 equivalent memory locations.
7559 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7561 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
7562 when making new MEM.
7564 * Makefile.in (LN): Remove duplicate definition.
7566 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7568 From Joern Rennecke:
7569 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
7570 on an insn and function_invariant_p returns nonzero for the source,
7571 add a REG_EQUAL note.
7573 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
7575 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
7576 conflict with frame_pointer_rtx.
7578 2000-09-13 Kazu Hirata <kazu@hxi.com>
7580 * loop.c: Fix formatting.
7583 2000-09-13 Richard Henderson <rth@cygnus.com>
7585 * config/ia64/ia64.md (divsf3): New.
7586 (divsf3_internal_lat, divsf3_internal_thr): New.
7587 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
7588 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
7589 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
7590 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
7591 (nmadddf4_alts, nmadddf4_trunc): New.
7592 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
7593 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
7594 (multf3_truncsf_alts, multf3_truncdf_alts): New.
7595 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
7596 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
7597 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
7598 (nmaddtf4_truncdf_alts): New.
7599 (recip_approx): Don't predicate.
7601 2000-09-13 Richard Henderson <rth@cygnus.com>
7603 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
7605 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7607 * flags.h (flag_dump_rtl_in_asm): Declare.
7608 * toplev.c (flag_dump_rtl_in_asm): Define.
7609 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
7610 if -dP is specified.
7611 * rtl.h (print_rtx_head): Declare.
7612 * print-rtl.c (print_rtx_head): Define.
7613 (print_rtx): Print the string pointed to by print_rtx_head
7614 at beginning of each dump line.
7615 (print_rtl): Likewise.
7616 (print_rtl_single): Likewise.
7617 * final.c (final_scan_insn): Dump the insn in the assembly
7619 * gcc.1: Document -dP option.
7620 * invoke.texi (Debugging Options): Likewise.
7622 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7624 * md.texi (Machine Constraints): Document the 68HC11 constraints.
7625 * install.texi (Configurations): Document the 68HC11&68HC12 port.
7626 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
7628 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
7630 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
7631 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
7632 (*clrstrqi): Likewise.
7633 (xorhi3,xorsi3,absqi2): Likewise.
7634 (one_cmplhi2,one_cmplsi2): Likewise.
7635 (addsi3): Two stupid constraint alternatives removed.
7636 (extendhisi2): Use `movw' for enhanced avr cores.
7637 (zero_extendhisi2): Likewise.
7639 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
7641 * alias.c (find_base_term): Use frame_pointer_rtx
7642 when handling an ADDRESSOF.
7644 * cse.c (canon_hash): Handle USE of BLKmode memory.
7645 (cse_insn): Outgoing arguments for a libcall don't
7646 affect any recorded expressions.
7648 2000-09-12 Tom Tromey <tromey@cygnus.com>
7650 * configure, config.in: Rebuilt.
7651 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
7653 2000-09-12 Jakub Jelinek <jakub@redhat.com>
7655 * c-lex.c (lex_string): Use charwidth to compute bytemask.
7656 * expr.c (expand_expr): Don't optimize constant array references
7657 initialized with wide string constants.
7659 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7661 * loop.c (note_set_pseudo_multiple_uses): Correct.
7663 2000-09-12 Jim Wilson <wilson@cygnus.com>
7665 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
7666 else block, and X has side-effects, then fail.
7668 2000-09-12 Greg McGary <greg@mcgary.org>
7670 * config/mips/mips-protos.h
7671 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
7672 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
7673 (PREDICATE_CODES): Add "trap_cmp_op".
7674 * config/mips/mips.c
7675 (trap_cmp_op, mips_gen_conditional_trap): New functions.
7676 * config/mips/mips.md (trap, conditional_trap): New patterns.
7678 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7680 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
7683 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7685 * builtins.c (built_in_decls): New array.
7686 (expand_builtin_fputs): New function.
7687 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
7689 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
7691 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
7693 * tree.h (built_in_decls): New array.
7695 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
7697 * convex.md: Use "+" instead of "=" for outputs wrapped in a
7699 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
7701 2000-09-12 Kazu Hirata <kazu@hxi.com>
7703 * haifa-sched.c: Fix formatting.
7705 * genattrtab.c: Fix formatting.
7707 * unroll.c: Fix formatting.
7709 2000-09-12 Bruce Korb <bkorb@gnu.org>
7711 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
7712 remove obsolete code
7713 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
7714 * fixinc/fixincl.tpl: make non-exported arrays static scope
7715 * fixinc/fixincl.x: regenerate
7716 * fixinc/fixlib.h: Use PARAMS, not _P_
7717 * fixinc/fixtests.c: make a type for the test proc & use it
7718 * fixinc/server.h: Use PARAMS, not _P_
7720 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7722 * c-typeck.c (process_init_element): Avoid union init warnings on
7723 floating point zero. Don't crash on unions containing structs.
7725 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
7727 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
7728 general_movsrc_operand, and remove CONST_INT from
7729 general_movdst_operand.
7731 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7733 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
7734 if a reference to non-fixed hardreg is seen. Otherwise, count hard
7735 regs with a higher cost.
7736 (preferrable): Deal with cases where either cost or regcost is
7738 (cse_insn): Use MAX_COST rather than 10000. Always initialize
7740 (COSTS_N_INSNS): Move definition...
7742 (MAX_COST): New macro.
7743 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
7746 2000-09-11 Mark Mitchell <mark@codesourcery.com>
7748 * c-common.h (genrtl_clear_out_block): Remove.
7749 * c-semantics.c (genrtl_clear_out_block): Remove.
7750 (genrtl_while_stmt): Don't call it.
7751 (genrtl_for_stmt): Likewise.
7753 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7755 * cppfiles.c: Move all default-#defines to top of file.
7756 (open_include_file): Replace by lookup_include_file.
7757 (read_with_read, read_file): Merged into read_include_file.
7758 (stack_include_file, purge_cache): New functions.
7759 (close_cached_fd): Delete.
7760 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
7761 Cache the in-memory buffer, not the file descriptor.
7763 * cpphash.h (struct include_file): Add buffer, st, refcnt,
7765 (xcnew): New utility macro.
7766 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
7767 * cpplib.h (struct cpp_buffer): Remove mapped field.
7769 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7771 * cpplex.c (parse_string): Accept backslash space newline as a
7773 (lex_line): Likewise.
7774 (_cpp_get_token): Remove hard limit on macro nesting.
7776 2000-09-12 Philipp Thomas <pthomas@suse.de>
7778 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
7779 * configure: Rebuilt.
7781 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7783 * flow.c (split_block): Fix update of registers live at
7786 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7788 * i386.md (add?i_3, add?i_5): New.
7789 (add?i_4): Rename from add?i_3; Fix compare pattern.
7790 (sub?i_3, xor?i_3, ior?i_3): New.
7792 * genrecog.c (write_tree): Output code to clear insn_extract cache.
7793 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
7794 instead of extract_insn and extract_constrain_insn_cache instead of
7795 extract_insn and constrain_operands.
7796 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
7798 (extract_insn): Clear which_alternative.
7799 (constrain_operands): Set which_alternative to -1 when failed.
7800 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
7803 2000-09-11 Matthew Hiller <hiller@redhat.com>
7805 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
7806 on operand 0 to '+'.
7807 (movstricthi): Likewise.
7809 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7811 * loop.h (LOOP_IVS): New macro.
7812 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
7813 (struct loop_ivs): New.
7814 (struct loop_info): Add ivs field.
7815 (reg_iv_type, reg_iv_info): Delete prototype.
7816 (reg_biv_class, loop_iv_list): Likewise.
7817 * loop.c (record_biv, find_life_end): Pass loop argument.
7818 (reg_iv_type): Remove global array and use
7819 field in loop_regs structure within loop_ivs structure.
7820 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
7821 (first_increment_giv, last_increment_giv): Use entry in
7823 (record_initial): Pass ivs pointer.
7824 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
7826 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7828 * loop.h (LOOP_REGS): New macro.
7829 (struct loop_regs): New.
7830 (struct loop_info): Add regs field.
7831 * loop.c (set_in_loop): Remove global array and store
7832 in loop_regs structure as part of loop_info structure.
7833 (n_times_set, may_not_optimize): Likewise.
7834 (reg_single_usage, moved_once): Likewise.
7835 (count_one_set): Add regs argument.
7836 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
7837 (set_pseudo_multiple_uses): Pass regs pointer.
7839 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7841 * unroll.c (iteration_info): Subsume into loop_iterations.
7842 * loop.h (loop_info): New field iv.
7844 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7846 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
7847 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
7848 (flow_loops_update): New prototype.
7849 (flow_loops_find): Add flags to prototype.
7850 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
7851 * flow.c (flow_loop_pre_header_scan): New.
7852 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
7853 (flow_loop_free): Free pre-header root and trace and exit dominators.
7854 (flow_loops_find): New argument flags.
7855 (flow_loops_update): New function.
7856 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
7858 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7860 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
7861 * flow.c (split_block, update_bb_for_insn): New functions.
7863 2000-09-11 Richard Henderson <rth@cygnus.com>
7865 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
7867 2000-09-11 Richard Henderson <rth@cygnus.com>
7869 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
7870 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
7871 (ia64_override_options): Prevent optimizing division for both
7872 latency and throughput.
7873 (rtx_needs_barrier): Handle frcpa.
7874 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
7875 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
7876 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
7877 (TARGET_SWITCHES): Add -minline-divide-min-latency and
7878 -minline-divide-max-throughput.
7879 (PREDICATE_CODES): Update.
7880 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
7881 (zero_extendsidi2): Likewise. Fix typo in f case insn.
7882 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
7883 (extendsftf2): Likewise.
7884 (extenddftf2): Likewise.
7885 (fix_trunctfdi2_alts): New.
7886 (fixuns_trunctfdi2_alts): New.
7887 (madd*4): Rename from madd*3.
7888 (divsi3, modsi3, udivsi3, umodsi3): New.
7889 (divsi3_internal): New.
7890 (divdi3, moddi3, udivdi3, umoddi3): New.
7891 (divdi3_internal_lat, divdi3_internal_thr): New.
7892 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7893 (recip_approx): New.
7895 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7897 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7898 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7900 * integrate.c (copy_rtx_and_substitute): Don't share
7901 LEAF_REG_REMAPpable registers with the inlined function. Don't
7902 share the function value with calling sequences.
7904 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7906 * c-decl.c (do_case): Fix a typo.
7908 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7909 to a if the comparison is floating mode and not -ffast-math.
7910 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7912 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7914 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7915 gen_ic_invalidate_line.
7917 2000-09-11 Philip Blundell <pb@futuretv.com>
7919 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7921 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7923 * install.texi (LANGUAGES): Update to include new languages.
7926 2000-09-11 DJ Delorie <dj@redhat.com>
7928 * gcc.c (main): Don't warn about unused -B prefixes
7929 (unused_prefix_warnings): remove
7931 2000-09-11 Kazu Hirata <kazu@hxi.com>
7933 * final.c: Fix formatting.
7935 * integrate.c: Fix formatting.
7937 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7939 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7941 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7943 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7945 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7947 * gcc.1: Document 68hc11 specific options.
7949 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7951 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7952 (TARGET_LONG_DOUBLE_128): Define.
7953 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7954 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7955 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7956 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7957 of __LONG_DOUBLE_128__.
7958 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7960 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7961 (CPP_SYSV_DEFAULT_SPEC): Define.
7962 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7963 (INIT_TARGET_OPTABS): Define.
7965 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7966 (RS6000_UITRUNC): Likewise.
7967 (INIT_TARGET_OPTABS): New macro.
7968 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7969 (trunc_defined): Delete.
7970 (output_prolog): Don't output .extern definitions for fp->int
7971 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7972 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7973 (trunc_defined): Delete.
7974 (RS6000_ITRUNC): Moved to aix.h.
7975 (RS6000_UITRUNC): Likewise.
7976 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7977 only emit a libcall.
7978 (fixuns_truncdfsi2): Delete.
7979 (trunc_call): Delete.
7980 (trunc_call_rtl): Delete.
7982 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7984 * varasm.c (make_decl_rtl): Restore leading star on
7985 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7987 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7989 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7990 won't give a spurious error for '#pragma pack()'. Simplify
7991 control flow for readability. 'reset' action is not necessary.
7993 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7995 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7996 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7997 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7998 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
8000 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
8001 profile.c, sdbout.c, tradcif.y, tree.c:
8002 Include defaults.h if not already included.
8003 Don't define the above macros.
8005 * Makefile.in: Update dependencies.
8007 2000-09-10 Mark Mitchell <mark@codesourcery.com>
8009 * c-common.h (add_stmt): Change prototype.
8010 (RECHAIN_STMTS): New macro.
8011 (CASE_LABEL_DECL): Likewise.
8012 (genrtl_case_label): Change prototype.
8013 (c_expand_start_case): Remove prototype.
8014 (build_case_label): Change prototype.
8015 (decl_constant_value): Declare.
8016 * c-common.c (check_case_value): Handle C++'s extensions to C
8018 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
8020 * c-parse.in (stmt): Adjust handling of return statements and case
8022 * c-semantics.c (add_stmt): Return the new statement.
8023 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
8024 returned expression. Directly generate RTL, rather than calling
8026 (genrtl_switch_stmt): Don't call c_expand_start_case.
8027 (build_case_label): Take the LABEL_DECL as input, too.
8028 (genrtl_case_label): Just call add_case_node.
8029 (expand_stmt): Adjust calls to genrtl_return_stmt and
8031 * c-tree.h (c_expand_start_case): Declare.
8032 * c-typeck.c (decl_constant_value): Give it external linkage.
8033 (c_expand_return): Don't call expand_return or expand_null_return;
8034 use genrtl_return_stmt instead.
8035 * stmt.c (struct nesting): Remove num_ranges field.
8036 (add_case_node): Give it external linkage.
8037 (expand_start_case): Don't set num_ranges.
8038 (expand_start_case_dummy): Don't clear it.
8039 (pushcase): Rely on add_case_node to handle `default' labels.
8040 (add_case_node): Handle `default' labels.
8041 * tree.c (tree_int_cst_compare): New function.
8042 * tree.h (tree_int_cst_compare): Declare.
8043 (add_case_node): Likewise.
8045 2000-09-10 Richard Henderson <rth@cygnus.com>
8047 * c-parse.in: Revert last change.
8048 (init_reswords): Do not enter disabled keywords into the ridpointers
8049 table, modulo objc weirdness.
8050 (_yylex): Return the canonical spelling for a keyword.
8052 2000-09-10 Philip Blundell <philb@gnu.org>
8054 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
8055 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
8057 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
8059 * alias.c (find_base_term): Handle ADDRESSOF.
8060 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
8062 2000-09-10 Denis Chertykov <denisc@overta.ru>
8064 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
8065 outputting templates with many lines.
8067 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8069 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
8070 to decide whether 64-bit support must be generated.
8072 2000-09-10 Richard Henderson <rth@cygnus.com>
8074 * c-parse.in (asm patterns): Fix volatile check.
8076 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8078 * cppmacro.c (check_trad_stringification): New function.
8079 (save_expansion): If -Wtraditional, warn about stringification of
8082 2000-09-11 Michael Hayes <mhayes@cygnus.com>
8084 * loop.h (struct loop_mem_info): Move from loop.c
8085 (struct loop_info): Add fields store_mems, mems, mems_idx,
8086 mems_allocated, unknown_address_altered,
8087 unknown_constant_address_altered, num_mem_sets, and
8088 first_loop_store_insn.
8090 * loop.c (loop_store_mems): Replace with field in loop_info struct.
8091 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
8092 (unknown_address_altered, unknown_constant_address_altered): Likewise.
8093 (num_mem_sets): Likewise.
8094 (replace_loop_mems, replace_loop_regs): New.
8095 (struct loop_replace_args): New.
8096 (load_mems): Use replace_loop_mems.
8097 (try_copy_prop): Use replace_loop_regs.
8098 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
8100 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8102 * configure.in: Recognize m6811-elf and m6812-elf.
8103 * configure: Regenerate.
8105 2000-09-09 Geoff Keating <geoffk@cygnus.com>
8107 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
8110 2000-09-10 Michael Hayes <mhayes@cygnus.com>
8112 * loop.c (struct movables): New.
8113 (num_movables): Move into struct movables.
8114 (the_movables): Change type to struct movables.
8115 (ignore_some_movables): Change struct movable arg to struct movables.
8116 (force_movables, combine_movables, regs_match_p): Likewise.
8117 (rtx_equal_for_loop_p, move_movables): Likewise.
8118 (scan_loop): Change movables to be of type struct movables.
8119 Replace last_movable with field in movables structure.
8121 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
8123 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
8124 (init_pragma): Avoid warning if pfile happens to be unused.
8125 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
8126 define init_pragma to nothing. Always prototype
8127 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
8129 * c-lex.c (process_directive): Always call dispatch_pragma.
8130 Initialize entering_c_header to 0.
8132 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8134 * config/m68hc11/m68hc11.md: New file, machine description for
8136 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
8137 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
8138 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
8139 * config/m68hc11/m68hc11-protos.h: New file.
8140 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
8141 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
8142 * config/m68hc11/xm-m68hc11.h: New file, target defs.
8143 * config/m68hc11/larith.asm: New file, libgcc routines.
8145 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8147 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
8148 (FPBIT_FUNCS): Add _usi_to_sf.
8149 * config/fp-bit.c (usi_to_float): New function.
8150 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
8151 (usi_to_float): Add appropriate #define.
8153 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8155 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
8157 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
8158 * i386.md (attr "type"): Add sse and mmx types.
8159 (attr "memory"): Handle them without a crash.
8160 (movsi_1, movdi_2): Allow MMX regs.
8161 (movdi splits): Don't split moves involving MMX regs.
8162 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
8163 (movv4sf_internal, movv4si_internal, movv8qi_internal,
8164 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
8165 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
8166 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
8167 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
8168 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
8169 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
8170 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
8171 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
8172 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
8173 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8174 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8175 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
8176 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
8177 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8178 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8179 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
8180 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
8181 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
8182 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
8183 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
8184 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8185 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8186 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
8187 mmx_clrdi): New patterns.
8189 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
8191 * arm.c: Don't include tm.h directly.
8193 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
8195 * recog.c (validate_replace_rtx_1): Fix confusion about equality
8196 testing; simplify subregs of constants and nested subregs.
8198 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
8200 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
8202 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
8204 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
8206 * rtl.texi (description of USE): Add note about possible pitfalls
8208 From Richard Henderson:
8209 * reload1.c (choose_reload_regs): Compute need_mode properly.
8211 2000-09-07 Richard Henderson <rth@cygnus.com>
8213 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
8214 (__modsi3, __umodsi3): Likewise.
8215 (__udivsi3): Likewise. Normalize the TFmode values.
8217 2000-09-07 Geoff Keating <geoffk@cygnus.com>
8219 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
8221 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
8224 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8226 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
8227 (cmpeqdi_t): Add output pattern.
8228 (cmpeqdi_t+1): Don't split when not optimizing.
8229 Restore proper splitting operation.
8231 2000-09-07 Richard Henderson <rth@cygnus.com>
8233 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
8234 do not call dispatch_pragma.
8236 2000-09-07 Jim Wilson <wilson@cygnus.com>
8238 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
8239 to CLASS_CANNOT_CHANGE_MODE.
8240 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
8241 mode classes are different.
8243 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8245 * cpplib.h (struct cpp_options): Add user_label_prefix member,
8246 left out of commit which removed cppulp.c.
8248 2000-09-07 Richard Henderson <rth@cygnus.com>
8250 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
8251 after switch for CASE_DROPS_THROUGH.
8253 2000-09-07 Richard Henderson <rth@cygnus.com>
8255 * loop.c (strength_reduce): Call check_ext_dependant_givs.
8256 Properly extend the biv initial value for the giv.
8257 (record_biv): Zero ext_dependant.
8258 (record_giv): New argument ext_val. Update all callers.
8259 (general_induction_var): Likewise.
8260 (consec_sets_giv): Likewise.
8261 (simplify_giv_expr): Likewise. Fill in ext_val if we find
8262 a sign-extend, zero-extend, or truncate.
8263 (combine_givs_p): Make sure modes are compatible.
8264 (check_ext_dependant_givs): New.
8265 (extend_value_for_giv): New.
8266 * loop.h (struct induction): Add ext_dependant.
8267 * unroll.c (iteration_info): Extend the biv initial value for the giv.
8268 (find_splittable_givs): Likewise.
8269 (final_giv_value): Likewise.
8271 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8273 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
8274 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
8275 definitions from cpplib.h.
8276 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
8278 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
8279 documentation for REGISTER_TARGET_PRAGMAS.
8281 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
8282 default-pragma callback to implement -Wunknown-pragmas if
8284 * c-parse.in: Move all includes to top of file.
8285 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
8287 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
8289 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
8291 * arm.h, arm-protos.h, arm.c,
8292 c4x.h, c4x-protos.h, c4x.c,
8293 h8300.h, h8300-protos.h, h8300.c,
8294 i370.h, i370-protos.h, i370.c,
8295 i960.h, i960-protos.h, i960.c,
8296 sh.h, sh-protos.h, sh.c,
8297 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
8298 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
8300 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
8301 multiple include guard.
8302 * i370.md (untyped_call): Use GEN_CALL.
8303 (umodsi3): Remove unused variable.
8304 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
8305 * v850.c (output_move_single, output_move_double): Constify
8307 (print_operand): Constify a char *.
8308 * v850.h (struct small_memory_info): Constify name member.
8310 2000-09-07 Kazu Hirata <kazu@hxi.com>
8312 * config/h8300.h: Fix comment typos.
8313 * config/h8300/h8300.md: Likewise.
8314 * config/h8300/lib1funcs.asm: Likewise.
8316 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8318 * Makefile.in: Remove references to cppulp.{c,o}.
8319 * cppinit.c (initialize_builtins, cpp_start_read,
8320 cpp_handle_option): Update to use cpp_options structure.
8323 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8325 * c-common.c (time_char_table): Allow %#b and %#h.
8327 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8329 * reorg.c (find_end_label): If the basic block reorder pass moves the
8330 return insn to some other place try to locate it again and put our
8331 end_of_function_label there.
8332 * reorg.c (relax_delay_slots): Check if find_end_label created a
8333 new label that invalidates the current optimazation.
8335 2000-09-07 Catherine Moore <clm@redhat.com>
8337 * unroll.c (unroll_loop): Check for unconditional jumps
8338 to loop continuation. Delete if n_iterations is 1.
8339 (ujump_to_loop_cont): New routine.
8341 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8343 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8345 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8346 to handle multiword modes correctly. All callers and the declaration
8349 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8351 * c-common.h (prep_stmt): Declare.
8352 (lang_expand_stmt): Likewise.
8353 * c-decl.c (lang_expand_stmt): Remove.
8354 * c-semantics.c (lang_expand_stmt): Define.
8355 (prep_stmt): New function.
8356 (expand_stmt): Handle common statement types here.
8358 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8360 * configure.in (sh-*-linux*): Added.
8361 * configure: Rebuilt.
8362 * config/sh/t-linux: New file.
8363 * config/sh/sh.h (USERMODE_BIT): Define.
8364 (TARGET_USERMODE): Likewise.
8365 (TARGET_SWITCHES): New switches for the bits above.
8366 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8367 * config/sh/linux.h: New file.
8368 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8369 underscore on linux.
8370 (L_sdivsi3, L_udivsi3): Define for linux.
8371 (L_ic_invalidate): Define.
8372 * invoke.texi (SH Options): Document -musermode.
8374 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8376 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8377 CSE unless generating PIC.
8379 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8382 2000-09-06 H.J. Lu (hjl@gnu.org)
8384 * Makefile.in (clean_s1): Depend on stage_b.
8385 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8386 stage2. They are used for "make compare".
8388 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8390 Move statement-tree facilities from C++ to C front-end.
8391 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8392 (void_zero_node): New macro.
8393 (struct stmt_tree_s): New type.
8394 (stmt_tree): New typedef.
8395 (struct language_function): New type.
8396 (last_tree): New macro.
8397 (last_expr_type): Likewise.
8398 (walk_tree_fn): New typedef.
8399 (current_stmt_tree): New function.
8400 (begin_stmt_tree): Likewise.
8401 (add_stmt): Likewise.
8402 (finish_stmt_tree): Likewise.
8403 (statement_code_p): Likewise.
8404 (lang_statement_code_p): New variable.
8405 (walk_stmt_tree): New function.
8406 (STMT_IS_FULL_EXPR_P): New macro.
8407 * c-common.c (lang_statement_code_p): New variable.
8408 (c_common_nodes_and_builtins): Initialize void_zero_node.
8409 (statement_code_p): New function.
8410 (walk_stmt_tree): Likewise.
8411 * c-decl.c (language_function): Rename to ...
8412 (c_language_function): ... this. Include language_function.
8413 (push_c_function_context): Adjust accordingly.
8414 (pop_c_function_context): Likewise.
8415 (mark_c_function_context): Likewise.
8416 (current_stmt_tree): Define.
8417 * c-semantics.c (begin_stmt_tree): New function.
8418 (add_stmt): Likewise.
8419 (prune_unused_decls): Likewise.
8420 (finish_stmt_tree): Likewise.
8422 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8424 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8426 2000-09-06 Kazu Hirata <kazu@hxi.com>
8428 * calls.c: Fix formatting.
8430 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8432 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8434 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8436 Integrated preprocessor.
8438 * Makefile.in: Remove all references to c-parse.gperf,
8439 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8440 generating c-parse.c. Update dependencies.
8441 * c-parse.gperf, c-gperf.h: Delete.
8443 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8444 yy_lim, or yy_get_token. Don't define get_directive_line if
8446 * c-common.h: Add multiple include guard. Define RID values
8447 for every keyword in C, C++, and Objective C. Put all the
8449 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8450 * c-decl.c (c_decode_option): Handle -lang-objc here.
8451 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
8452 (grokdeclarator): Adjust for new RID scheme.
8453 (extract_interface_info): New stub.
8454 * c-lang.c: Don't declare yy_cur or parse_options.
8455 (lang_init_options): Call cpp_init. Don't call
8457 (lang_init): Don't call check_newline if USE_CPPLIB.
8459 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
8460 Elide lots of unnecessary code if USE_CPPLIB. Delete code
8461 rendered unnecessary by new architecture. Move routines not
8462 shared with C++ to c-parse.in. Maintain a local idea of the
8463 line number. Handle C++ as well as C.
8464 [USE_CPPLIB]: Declare and register callbacks for #ident and
8465 for entering/leaving files.
8466 (init_c_lex, c_lex): Are now the entry points to this file.
8467 (check_newline): Break out directive handling to
8469 (read_ucs, is_extended_char, utf8_extend_token): Moved here
8471 (readescape, parse_float): Overhaul.
8472 (lex_number, lex_string, lex_charconst): Break out of c_lex
8474 (get_fileinfo, update_header_times, dump_one_header,
8475 dump_time_statistics): New and/or moved here from C++.
8476 Support per-file data needed by C++ and per-header timing
8477 statistics (C++ only, at the moment).
8478 * c-lex.h: Update prototypes. Add multiple include guard.
8479 * c-tree.h (struct lang_identifier): Add rid_code field.
8480 (C_IS_RESERVED_WORD, C_RID_CODE): New.
8482 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
8483 reinit_parse_for_function and/or position_after_white_space.
8484 (save_filename, save_lineno): Look ahead before saving.
8485 (label -> identifier ':'): Save file and line before shifting ':'.
8486 (reservedwords): No need to call get_identifier.
8487 (init_parse, finish_parse, yyerror, yylex, yyprint,
8488 make_pointer_declarator): Are now here for C/ObjC.
8489 (rid_to_yy): Conversion table from RID constants to Yacc codes.
8491 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
8492 #pragma registry. Provide dummy implementation of that
8493 interface if !USE_CPPLIB.
8494 * c-pragma.h: Update to match.
8496 * flags.h: Add multiple include guard.
8497 (flag_detailed_statistics): Moved here from C++.
8498 * toplev.c: Define flag_detailed_statistics.
8500 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
8502 * timevar.def (TV_CPP, TV_LEX): New.
8503 * timevar.h: Add multiple include guard.
8505 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
8507 * objc/objc-act.c: Don't mention yy_cur or parse_options.
8508 Initialize cpplib properly. Force lineno to 0 after first
8509 call to check_newline. Don't handle -lang-objc here.
8510 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
8512 2000-09-06 David Edelsohn <edelsohn@gnu.org>
8514 * rs6000.md: Correct function unit definitions for cr_logical and
8516 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
8517 and use portable method for >=0 and floating point >=. Remove
8518 associated matchers.
8520 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8522 * extend.texi: Mark named return value extension as deprecated.
8524 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8526 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
8529 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
8531 * toplev.c (display_help): Fix thinko in documentation.
8533 * diagnostic.h (output_buffer::indent_skip): New fields.
8534 (output_indentation): New macro.
8536 * diagnostic.c (output_indent): New function.
8537 (output_set_prefix, clear_diagnostic_info): Use.
8538 (output_emit_prefix): Predict future indentation.
8540 2000-09-06 DJ Delorie <dj@redhat.com>
8542 * Makefile.in (stage_*): add more dependencies to ensure parallel
8543 builds build correctly
8545 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
8547 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
8548 not bootstrap-lean_f.
8550 2000-09-06 Andreas Schwab <schwab@suse.de>
8552 * mklibgcc.in: Emit rule for libgcc-stage-start.
8553 * Makefile.in (stage1-start, stage2-start, stage3-start,
8554 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
8556 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
8558 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
8559 (update_equiv_regs): Likewise, except for the mn10200 kludge.
8560 (combine_regs): Likewise.
8562 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
8563 * cse.c: Include "basic-block.h".
8564 (struct table_elt): New field REGCOST.
8565 (CHEAP_REG): Delete macro.
8566 (COST): Return 0 for REGs.
8567 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
8568 (notreg_cost): Return 0 for appropriate SUBREGs.
8569 (COSTS_N_INSNS): Return N * 2.
8570 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
8572 (CHEAPER): Use new function preferrable.
8573 (insert): Initialize REGCOST member.
8574 (find_best_addr): Use approx_reg_cost for estimation of register
8576 (cse_insn): Likewise.
8577 * loop.c (iv_add_mult_cost): New function.
8578 (add_cost, shift_cost, mult_cost): Delete variables.
8579 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
8580 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
8581 Make code that detects autoinc opportunities slightly less optimistic.
8582 (simplify_giv_expr): If expression contains other reg that is also a
8583 giv, only increment benefit if this is the only use of that reg.
8584 (consec_sets_giv): Take that change into account.
8585 (combine_givs): Slightly more verbose output.
8587 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
8588 not the cost of an equivalent shift.
8589 * sh-protos.h (addsubcosts): Declare.
8590 * sh.c (addsubcosts): New function.
8591 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
8592 (RTX_COSTS): Tweak. Use addsubcosts.
8593 (ADDRESS_COST): Return higher cost for reg+reg addressing.
8595 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8597 * config/rs6000/rs6000.c (validate_condition_mode): New function.
8598 (branch_comparison_operator): Call validate_condition_mode to
8599 abort rather than returning 0.
8600 (branch_positive_comparison_operator): New function.
8601 (scc_comparison_operator): Call validate_condition_mode to abort
8602 rather than returning 0.
8603 (ccr_bit): Call validate_condition_mode. Update for
8605 (print_operand): Delete %C modifier. Update %E case
8606 to use EQ bit not SO bit.
8607 (rs6000_reverse_condition): New function.
8608 (rs6000_generate_compare): New function.
8609 (rs6000_emit_sCOND): New function.
8610 (rs6000_emit_cbranch): New function.
8611 (output_cbranch): The length of a long branch insn is
8612 now only 8 bytes. Add validate_condition_mode. Use
8613 rs6000_reverse_condition. Remove cror generation.
8615 * config/rs6000/rs6000.h: Update comments.
8616 (PREDICATE_CODES): Add new predicate. Update codes used
8617 by branch_comparison_operator and scc_comparison_operator.
8618 * config/rs6000/rs6000-protos.h: Add prototypes for
8619 new external functions.
8620 * config/rs6000/rs6000.md: Add new scheduling parameters
8621 for cr_logical instructions. Change length of branch
8623 (bCOND patterns): Call rs6000_emit_cbranch.
8624 (sCOND patterns): Call rs6000_emit_sCOND.
8625 (branch patterns): Change lengths to 4.
8626 (cr logical patterns): New.
8628 2000-09-06 Richard Henderson <rth@cygnus.com>
8630 * config/i386/i386.md (call_pop): Fix test for setting
8631 current_function_uses_pic_offset_table.
8632 (call, call_value_pop, call_value): Likewise.
8634 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8636 * timevar.c (timevar_add): Delete.
8637 (timevar_get): Also count time since the selected timer was
8638 last updated. Do not examine the timevar stack if the
8639 selected timer is standalone.
8641 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8643 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
8645 2000-09-05 Jason Merrill <jason@redhat.com>
8647 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
8648 for 'extern' arrays.
8650 2000-09-05 Richard Henderson <rth@cygnus.com>
8652 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
8653 Eliminate final copy from non-trapping case.
8654 (__divdf3, __divsf3): Likewise.
8656 2000-09-05 Richard Henderson <rth@cygnus.com>
8658 * config/ia64/ia64.md (mulhi3): Fix typo last change.
8659 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
8661 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8663 * Makefile.in: Restructure bootstrap stages to allow clean
8664 restart after failure.
8666 2000-09-05 Richard Henderson <rth@cygnus.com>
8668 * config/ia64.md (movsi and movdi patterns): Allow moves from
8669 8-bit constants to AR registers.
8671 2000-09-05 Richard Henderson <rth@cygnus.com>
8673 * config/ia64/ia64.md (mulhi3): New.
8675 2000-09-05 Richard Henderson <rth@cygnus.com>
8677 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
8678 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
8679 Optimization Guide, minimum latency alternative.
8680 (__moddi3, __udivdi3, __umoddi3): Likewise.
8681 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
8683 2000-09-05 Bruce Korb <bkorb@gnu.org>
8685 * fixinc/fixincl.c (load_file): always read header files
8686 with sizes that are a multiple of the page size.
8687 & use libiberty's getpagesize for determining that.
8689 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
8691 * gcse.c (hash_string_1): Add prototype.
8692 * cse.c (canon_hash_string): Likewise.
8694 2000-09-04 Craig Newell <CraigN@ieee.org>
8696 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
8698 2000-09-04 Andreas Schwab <schwab@suse.de>
8700 * Makefile.in (STAGESTUFF): Remove libgcc.
8701 (stage1-start, stage2-start, stage3-start): Copy the contents of
8702 the libgcc directory explicitly.
8703 (mostlyclean): Clean libgcc.
8705 2000-09-04 Andrew Haley <aph@redhat.com>
8707 * dwarf2out.c: (stack_adjust_offset): New prototype.
8709 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
8711 * combine.c (make_extraction): Fix rtx_cost comparison to
8714 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
8716 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
8717 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
8718 Add '*' to insn pattern name.
8720 2000-09-04 Jakub Jelinek <jakub@redhat.com>
8722 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
8723 use posn - 1 to index into tokens array.
8724 (maybe_paste_with_next): Adjust caller.
8726 2000-09-03 Geoff Keating <geoffk@cygnus.com>
8728 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
8730 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
8731 (REGNO_REG_CLASS): Use symbolic register
8734 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
8736 * arm.c (final_prescan_insn): If the form of a jump insn isn't
8737 recognized, don't try to conditionally execute it.
8739 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
8741 * config/avr/avr.md ("*tablejump_lib"): New pattern.
8742 (call_value_insn): Right length claculation.
8743 (call_insn): Likewise.
8745 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
8747 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
8748 gas_output_limited_string, gas_output_ascii, output_movqi,
8749 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
8750 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
8751 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8752 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
8753 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
8754 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
8755 Add "const" as needed to remove warnings.
8757 * config/avr/avr.c (avr_override_options, avr_init_once,
8758 function_prologue, function_epilogue, frame_pointer_required_p,
8759 class_likely_spilled_p, order_regs_for_local_alloc,
8760 avr_address_cost, avr_ret_register): Use K&R style arguments.
8761 (initial_elimination_offset, gas_output_limited_string):
8762 Remove ATTRIBUTE_UNUSED from the used arguments.
8763 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
8764 Use local variables src, dest, base to access operands[].
8765 Rename reg_dest to reg_src if that's what it is.
8766 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
8767 constants to LD_REGS if reg_was_0.
8768 (output_reload_insisf): Change arg 3 to insn length and set it.
8769 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
8770 access to 16-bit I/O register pairs.
8771 (avr_address_cost): Lower cost for the above case.
8772 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
8773 may be clobbered, also for LD_REGS.
8774 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
8777 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
8779 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
8780 macro to test_hard_reg_class function.
8781 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
8782 for loading immediate constants to LD_REGS.
8783 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
8786 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
8788 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
8789 * config/avr/libgcc.S: Lost part of the previous patch.
8791 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8793 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
8794 object before calling pthread_mutex_init.
8796 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
8798 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
8799 config/sh/crtn.asm: New files.
8800 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
8801 (crt1.o, crti.o, crtn.o): New targets.
8802 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
8804 * configure: Rebuilt.
8805 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8806 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
8807 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8808 Undefine for config/elfos.h to redefine.
8809 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
8811 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8813 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
8814 legitimize_pic_address, output_pic_addr_const): Declare.
8815 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
8816 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
8817 (TARGET_SWITCHES): New switch -mprefergot.
8818 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
8819 (PIC_OFFSET_TABLE_REGNUM): Define.
8820 (GOT_SYMBOL_TABLE): Likewise.
8821 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
8822 (ENCODE_SECTION_INFO): Define.
8823 (FINALIZE_PIC): New macros.
8824 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
8825 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
8826 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
8827 (prepare_move_operands): Call emit_pic_move or
8828 emit_pic_const_move if appropriate.
8829 (output_far_jump): For PIC, use braf and output long offset.
8830 (machine_dependent_reorg):
8831 (sh_expand_prologue): Save and initialize the PIC register.
8832 (sh_expand_epilogue): Restore it.
8833 (initial_elimination_offset): Account for it.
8834 (nonpic_symbol_mentioned_p): New function.
8835 (legitimize_pic_address): Likewise.
8836 (output_pic_addr_const): Likewise.
8837 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
8838 (call, call_value): Use them.
8839 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
8840 symPLT_label2reg): New expands.
8841 * invoke.texi (SH Options): Document -mprefergot.
8843 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
8845 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
8846 * gcse.c (hash_string_1): New function.
8847 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
8848 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
8849 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
8850 (canon_hash_string): New function.
8851 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
8852 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
8853 (fold_rtx): Use ASM_OPERANDS accessor macros.
8854 * emit-rtl.c (copy_insn_1): Likewise.
8855 * integrate.c (copy_rtx_and_substitute): Likewise.
8856 * stmt.c (expand_asm_operands): Likewise. Give an
8857 ASM_OPERANDS rtx the mode of the output reg being set from it.
8859 2000-09-01 Fred Fish <fnf@be.com>
8861 * fix-header.c (write_rbrac): Add putc and getc to list of
8862 functions to protect against prior definition as a macro.
8864 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
8866 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
8867 (c_size_type_node): Define.
8868 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
8869 * c-common.c (enum format_lengths, enum format_std_version,
8870 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
8871 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
8872 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
8873 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
8874 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
8875 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
8876 format_types): Define.
8877 (format_char_info, print_char_table, scan_char_table,
8878 time_char_table): Rearrange for new organization of information
8879 about format length modifiers and standard versions.
8880 (T_ST): Redefine to use c_size_type_node.
8881 (check_format_info): Obtain information about length modifiers and
8882 standard versions from tables. Adjust warning message wordings.
8883 Use the name from the user's program for `ll' and `hh' length
8884 modifiers in warning messages. Use more informative names for
8885 wanted types where available (for wchar_t, wint_t, size_t, signed
8886 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8888 2000-09-01 Jim Wilson <wilson@cygnus.com>
8890 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8891 * combine.c (distribute_notes): Handle REG_NORETURN.
8892 * rtl.c (reg_note_name): Add REG_NORETURN.
8893 * rtl.h (enum reg_note): Likewise.
8895 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8897 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8898 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8899 (emit_predicate_relation_info): Handle conditional calls with
8901 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8902 instead of ia64_file_start.
8903 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8904 * config/ia64/ia64.md (safe_across_calls_all,
8905 save_across_calls_normal): New patterns.
8907 * loop.c (check_final_value): Check for biv use before checking for
8908 giv use. Check for both biv and giv uses. Always set last_giv_use
8909 if there is a giv use.
8911 2000-09-01 Richard Henderson <rth@cygnus.com>
8913 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8914 (madddi3): Likewise.
8917 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8919 * expr.c (clear_storage): Don't use emit_move_insn unless
8920 either BLKmode or proper size.
8921 (store_constructor): Don't call clear_storage if REG of wrong size.
8923 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8924 of function if returns wiht stack pointer depressed.
8926 2000-09-01 Andrew Haley <aph@redhat.com>
8928 * dwarf2out.c (stack_adjust_offset): New function.
8929 (dwarf2out_stack_adjust): Break out stack adjust logic into
8930 new stack_adjust_offset function. Look inside parallels and
8931 sequences for stack adjustments.
8933 2000-08-31 Jeff Law <law@cygnus.com>
8935 * arm.md: Use no_new_pseudos to determine when it is safe
8936 to create new pseudo registers.
8938 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8939 when we can safely allocate new registers.
8941 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8943 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8944 so that CONCATs are not generated for ASMs.
8945 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8946 not generating_concat_p.
8947 * function.c (pop_function_context_from): Reset
8948 generating_concat_p.
8949 (prepare_function_start): Likewise.
8950 * rtl.c (generating_concat_p): Define.
8951 * rtl.h (generating_concat_p): Declare.
8952 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8954 2000-08-22 Philipp Thomas <pthomas@suse.de>
8955 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8957 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8960 2000-08-30 Greg McGary <greg@mcgary.org>
8962 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8963 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8964 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8966 2000-08-30 Greg McGary <greg@mcgary.org>
8968 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8969 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8970 (TREE_INT_CST): New macro.
8971 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8972 Use new macro TREE_INT_CST.
8974 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8976 * contrib.texi: Add self.
8978 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8980 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8981 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8984 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8986 * fixinc/gnu-regex.c: Don't define `const'.
8988 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8990 * expr.c (store_constructor): Allow variable bounds of array type.
8991 (expand_expr): Don't blow up if type is ERROR_MARK.
8992 * varasm.c (output_constructor): Don't access lower bound of array
8993 type unless need it if index is supplied (so it can be a variable
8994 if no index is supplied).
8995 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8996 Other minor cleanups.
8998 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9000 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
9001 for compilations in stage 1 and subsequent stages, respectively.
9002 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
9003 * configure: Rebuilt.
9004 * x-vax, x-vax-gcc: Deleted.
9006 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9008 * c-common.c (declare_function_name): Use func_id_node,
9009 function_id_node, and pretty_function_id_node. Do not make
9010 __func__ visible at file scope.
9011 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
9012 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
9013 (function_id_node, pretty_function_id_node, func_id_node): New
9015 * c-decl.c (init_decl_processing): Initialize function_id_node,
9016 pretty_function_id_node, and func_id_node.
9017 (c_make_fname_decl): Correct comment.
9019 * tree.h (struct tree_identifier): Constify pointer member.
9021 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
9022 * c-pragma.h (struct weak_syms): Constify name and value members.
9023 (add_weak): Constify arguments.
9025 * calls.c (special_function_p): Constify a char *.
9026 (expand_call): Remove variable which is initialized and then
9028 * dependence.c (struct def_use, struct induction, struct subscript):
9029 Constify 'variable' member.
9030 (get_low_bound, have_induction_variable): Constify char * argument.
9031 (find_induction_variable): Add braces to avoid dangling else.
9032 (classify_dependence): Constify char * arrays.
9033 * profile.c (output_func_start_profiler): Constify a char *.
9034 * stor-layout.c (finalize_record_size): Constify a char *.
9035 * tree.c (is_attribute_p): Constify a char *.
9036 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
9038 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
9039 for comprehensibility. Do not call get_identifier if we did
9040 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
9041 create temporary string constants, not ggc_alloc_string. No
9042 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
9043 char * to hold IDENTIFIER_POINTERs.
9045 2000-08-29 Richard Henderson <rth@cygnus.com>
9047 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
9050 2000-08-29 Richard Henderson <rth@cygnus.com>
9052 * reload.c (push_secondary_reload): Allow class == reload_class
9053 if we're using a reload_in/out pattern.
9055 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
9056 the half that does not conflict with the reload register.
9057 (reload_outti): Likewise.
9059 2000-08-29 Kazu Hirata <kazu@hxi.com>
9061 * reload.c: Fix formatting.
9063 * stmt.c: Fix formatting.
9065 * gcc.c: Fix formatting.
9067 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9069 * flags.h (time_report, mem_report): New global flags.
9070 * toplev.c: Define time_report and mem_report.
9071 (f_options): Add -ftime-report and -fmem-report.
9072 (compile_file): Turn on time_report if quiet_flag is off.
9073 Call ggc_print_statistics at very end if mem_report is on.
9074 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
9076 * ggc-common.c (ggc_print_statistics): Rename to
9077 ggc_print_common_statistics; all callers changed. Scale
9078 quantities above 10K to kilobytes and above 10M to megabytes.
9079 * ggc-page.c (ggc_page_print_statistics): Rename to
9080 ggc_print_statistics. Report memory consumed by internal data
9081 structures for each allocation bucket. Scale quantities above
9082 10K to kilobytes and above 10M to megabytes.
9083 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
9084 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
9085 Define tally_leaves always.
9086 (ggc_print_statistics): New function.
9087 * ggc.h: Adjust for renamed functions.
9089 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
9091 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
9092 output_movsisf instead of which_alternative.
9094 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
9096 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
9098 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
9099 (avr_progmem_p): New prototype.
9100 (output_movsisf): Prototype declaration changed.
9101 (output_movqi): New prototype.
9102 (output_movhi): New prototype.
9103 (call_insn_operand): Likewise.
9104 (final_prescan_insn): Likewise.
9105 (avr_simplify_comparision_p): Likewise.
9106 (avr_normalize_condition): Likewise.
9107 (compare_eq_p): Likewise.
9108 (out_shift_with_cnt): Likewise.
9109 (const_int_pow2_p): Likewise.
9110 (output_reload_inhi): Prototype declaration changed.
9112 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
9113 (ldi_reg_rtx): New. rtx for r31.
9114 (avr_init_stack): Initialize as "__stack".
9115 (function_prologue): Use it.
9116 Replace all TARGET_ENHANCED with AVR_ENHANCED.
9117 (avr_mcu_name): Initialize as "avr2".
9118 (avr_enhanced_p, avr_mega_p): New variables.
9119 (mcu_types, avr_override_options): Handle all known MCU types.
9120 Also handle avr1 (only preprocess, assemble and link).
9121 (print_operand): Using of `%K' in output template removed.
9122 (out_movqi_r_mr): Optimized.
9123 (out_movhi_r_mr): Likewise.
9124 (output_movqi): New function.
9125 (output_movhi): Likewise.
9126 (out_movsi_r_mr): Optimized.
9127 (output_movsisf): Compute insn length for `adjust_insn_length'
9128 (out_movqi_mr_r): Optimized.
9129 (out_movhi_mr_r): Optimized.
9130 (adjust_insn_length): Use output_movsisf, output_movqi,
9131 output_movhi for insn length adjusting.
9132 (reg_unused_after): Use dead_or_set_p.
9133 (preferred_reload_class): Now havn't any restriction.
9134 (reg_was_0): New function.
9135 (io_address_p): Likewise.
9136 (const_int_pow2_p): Likewise.
9137 (output_reload_inhi): Likewise.
9138 (output_reload_insisf): Likewise.
9140 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
9141 (LIB_SPEC): Use -lc for all supported devices.
9142 (LIBGCC_SPEC): Use -lgcc for all supported devices.
9143 (AVR_MEGA): Define as avr_mega_p.
9144 (AVR_ENHANCED): New, define as avr_enhanced_p.
9145 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
9146 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
9147 (CRT_BINUTILS_SPECS): Handle all known MCU types.
9148 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
9149 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
9150 (ASM_SPEC): Pass -mmcu=... to the assembler.
9151 Change all -DAVR_* to -D__AVR_*__.
9152 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
9153 Rename library functions to start with two underscores.
9154 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
9156 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
9157 (SUPPORTS_WEAK): Likewise.
9158 (LDI_REG_REGNO): New. Register r31 will be used as temporary
9159 register for loading constants to r0-r14.
9161 * config/avr/avr.md: Replace all TARGET_ENHANCED with
9163 (*mov_r_sp): Removed. Handled by output_movhi.
9164 (*mov_sp_r): Likewise.
9165 (*mov_sp_r_no_interrupts): Likewise
9166 (*mov_sp_r_tiny): Likewise.
9167 (*movqi): Use output_movqi.
9168 (*reload_inqi): New.
9169 (*movhi): Use output_movhi.
9170 (*reload_inhi): New.
9171 (*negsi2): Optimized.
9172 (*negsf2): Likewise.
9173 Added peepholes (define_peephole2) for loading constants to r0-r14
9174 and for using `cpse' command.
9176 * config/avr/libgcc.S: Rename library functions to start with two
9178 Add support for enhanced core.
9179 (_moqhi3): Fix typo, now _modqi3.
9180 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
9181 (__prologue_saves__): Remove test for stack adjust by 0.
9182 (__tablejump__): New.
9184 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
9185 Add multilib support.
9187 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
9189 * loop.c (prescan_loop): Don't check unknown_address_altered
9190 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
9191 to loop_store_mems as necessary.
9192 (loop_invariant_p): Don't check unknown_address_altered
9193 or unknown_constant_address_altered.
9195 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9197 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
9199 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
9201 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
9202 print just the filename.
9203 * cpplex.c (_cpp_run_directive): Add additional argument, the
9204 name to give the synthetic buffer. This defaults to
9205 translated "<command line>".
9206 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
9208 (_cpp_define_builtin): New function.
9209 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
9210 * cpphash.h: Update prototypes.
9212 * tradcpp.c (main): Process -D and -U simultaneously, in the
9213 order they appeared on the command line.
9215 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9217 * c-decl.c (define_label): Call warning_with_file_and_line and
9218 error_with_file_and_line instead of plain warning or error.
9220 * c-parse.in (label): Use save_filename/save_lineno to ensure
9221 correct values for calls to define_label.
9223 2000-08-29 Mark Mitchell <mark@codesourcery.com>
9225 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
9227 * expr.c (expand_expr, case TARGET_EXPR): Don't call
9229 * tree.h (get_file_function_name): Remove two duplicate
9232 2000-08-28 Kazu Hirata <kazu@hxi.com>
9234 * tree.c: Fix formatting.
9236 * xcoffout.c: Fix formatting.
9238 2000-08-28 Jason Merrill <jason@redhat.com>
9240 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
9242 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9244 * dwarf2out.c (dwarf2out_finish): Don't bother calling
9245 break_out_includes if it won't do anything.
9247 2000-08-28 Richard Henderson <rth@cygnus.com>
9249 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
9250 (find_reloads): Likewise.
9251 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
9252 (reload_inhi): Likewise.
9254 2000-08-28 Richard Henderson <rth@cygnus.com>
9256 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
9257 (call_insn_operand): Don't expect a surrounding mem.
9258 (constant_call_address_operand): Likewise.
9259 * config/i386/i386.h (PREDICATE_CODES): Update.
9260 * config/i386/i386.md (call patterns): Move the match_operand
9261 for the call destination inside the mem.
9263 2000-08-28 Richard Henderson <rth@cygnus.com>
9265 * local-alloc.c (requires_inout): Don't use reserved range for
9266 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
9267 * recog.c (asm_operand_ok): Likewise.
9268 (preprocess_constraints, constrain_operands): Likewise.
9269 * regclass.c (record_reg_classes): Likewise.
9270 * reload.c (find_reloads): Likewise.
9271 * reload1.c (maybe_fix_stack_asms): Likewise.
9272 (reload_cse_simplify_operands): Likewise.
9273 * stmt.c (expand_asm_operands): Likewise.
9275 * md.texi: Update constraints documentation.
9276 * tm.texi (EXTRA_CONSTRAINT): Update.
9278 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9280 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
9281 (print_die): If we don't know the offset of the
9282 target die, try the symbol. Add a trailing newline.
9283 (reverse_all_dies): New fn.
9284 (dwarf2out_finish): Call it.
9285 (break_out_includes): Reorganize for clarity.
9286 (add_sibling_attributes): Don't call reverse_die_lists.
9287 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
9289 * flags.h: Add flag_eliminate_dwarf2_dups.
9290 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
9292 2000-08-28 Jason Merrill <jason@redhat.com>
9294 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
9295 * dwarf2out.c: #include "md5.h".
9296 (DIE_LABEL_PREFIX): New macro.
9297 (dw_val_struct): Add 'external' flag to val_die_ref.
9298 (add_AT_die_ref, AT_ref): Adjust.
9299 (AT_ref_external, set_AT_ref_external): New fns.
9300 (build_abbrev_table): Call set_AT_ref_external.
9301 (value_format): Call AT_ref_external.
9302 (die_struct): Add die_symbol field.
9303 (new_die): Clear it.
9304 (dwarf_tag_name): Handle BINCL/EINCL.
9305 (dwarf2out_start_source_file): Add BINCL DIE.
9306 (dwarf2out_end_source_file): Add EINCL DIE.
9307 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
9308 (loc_checksum, attr_checksum, die_checksum): New fns.
9309 (is_type_die, is_comdat_die, is_symbol_die): New fns.
9310 (compute_section_prefix, assign_symbol_names): New fns.
9311 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9312 (output_die): Call output_die_symbol and AT_ref_external.
9313 (output_comdat_comp_unit): New fn, split out from...
9314 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9316 (output_pubnames, output_aranges): Abort if we see entries from
9318 * toplev.h: Declare file_name_nondirectory.
9319 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9320 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9321 (debug_start_source_file): Call dwarf2out_start_source_file
9322 regardless of debug verbosity.
9323 (debug_end_source_file): Similarly.
9324 * tree.h: Declare clean_symbol_name.
9325 * tree.c (clean_symbol_name): Split out from...
9326 (get_file_function_name_long): ...here.
9328 * dwarf2out.c (new_loc_descr): Use calloc.
9329 (splice_child_die): Remove the die from the right parent.
9330 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9332 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9334 * toplev.c (decode_g_option): Don't give warning for unknown -g
9335 option; return 0 instead.
9336 (main): If -g option is not recognized by front end or
9337 language-independent code, give warning.
9339 2000-08-28 Greg McGary <greg@mcgary.org>
9341 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9342 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9343 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9345 2000-08-27 Greg McGary <greg@mcgary.org>
9347 * cpplex.c (parse_string): Don't look for backslash
9348 before first char in `namebuf'.
9349 * loop.c (strength_reduce): Skip NOTEs.
9351 2000-08-27 Jason Merrill <jason@redhat.com>
9353 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9354 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9355 TREE_ASM_WRITTEN, either.
9356 (finish_decl): Adjust.
9358 2000-08-28 Philipp Thomas <pthomas@suse.de>
9360 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9361 they have been incorporated into the gettext CVS. Change the text to
9362 reflect the current status of NLS. Add instructions for accessing
9363 the gettext CVS and add the patch from Martin v. Loewis.
9365 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9367 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9368 by using gen_lowpart_common.
9369 (movdi_internal64+6): Likewise.
9371 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9373 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9376 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9377 numbers to the ranges used by GDB.
9379 2000-08-25 Richard Henderson <rth@cygnus.com>
9381 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9382 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9383 (ia64_expand_prologue): Likewise.
9384 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9385 argument for stdargs.
9387 2000-08-25 Jason Merrill <jason@redhat.com>
9389 * integrate.c (expand_inline_function): Pull out the original decl.
9391 2000-08-25 Jim Wilson <wilson@cygnus.com>
9393 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9395 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9397 2000-08-25 Greg McGary <greg@mcgary.org>
9399 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9400 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9402 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9404 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9406 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9408 * i386.c (ix86_find_base_term): New.
9409 * i386-protos.h (ix86_find_base_term): Prototype.
9410 * i386.h (FIND_BASE_TERM): Define.
9411 * alias.c (find_base_term): Use it.
9412 * tm.texi (FIND_BASE_TERM): Document it.
9414 * alias.c (true_dependence, write_dependence_p): Unchanging
9415 memory can't conflict with non-unchanging memory.
9417 * alias.c (memrefs_conflict_p): A BLKmode reference
9418 to a symbol (or CONST_INT address) always conflicts
9419 with a reference to another symbol.
9421 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9423 * c-common.c (time_char_table): Don't allow width and flags with
9426 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9428 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9429 way as LT and LTU when the second operand has 0 in low word.
9431 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9433 * basic-block.h (struct loop): Rename `exits' field to
9434 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9436 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9437 (flow_loop_entry_edges_find): Add.
9438 (flow_edge_list_print): Rename from flow_exits_print.
9439 (flow_loops_find): Call flow_loop_entry_edges_find.
9440 (flow_loop_dump): Dump entry_edges list.
9441 (flow_loops_free): Free entry_edges.
9443 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9445 * loop.c (loop_dump_aux, debug_loop): New functions.
9446 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9448 * flow.c (flow_loops_dump): Add callback parameter.
9449 (flow_loop_dump): Add callback parameter and call it. Move
9450 loop note debugging code to loop_dump_aux.
9452 * basic-block.h (flow_loop_dump): Add callback parameter
9453 (flow_loops_dump): Likewise.
9455 * toplev.c (rest_of_compilation): Add NULL callback function pointer
9456 to call to flow_loops_dump.
9458 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9460 * loop.c (count_loop_regs_set): Replace start and end arguments
9461 with loop argument. All callers udated.
9463 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9465 * loop.c (constant_high_bytes): Delete.
9467 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9469 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
9470 and NOTE_INSN_LOOP_VTOP to...
9471 (find_and_verify_loops) ...here.
9473 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9475 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
9476 (fini_dummy, init_dummy): Use it.
9478 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
9480 * cpplex.c (is_macro_disabled): Caller has already checked
9481 that we're not a preprocessed file.
9483 2000-08-24 Mark Mitchell <mark@codesourcery.com>
9485 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
9486 (c-iterate.o): Remove target.
9487 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
9488 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
9489 (finish_decl): Don't handle iterators.
9490 (grokdeclarator): Likewise.
9491 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
9492 * gcc/c-gperf.h: Regenerated.
9493 * gcc/c-iterate.c: Removed.
9494 * gcc/c-lex.c (init_lex): Don't handle iterators.
9495 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
9496 (compstmt_primary_start): Remove push_iterator_stack call.
9497 (stmt): Don't allow iterator statements. Replace iterator_expand
9498 with expand_expr_stmt.
9499 (all_iter_stmt): Remove.
9500 (all_iter_stmt_simple): Likewise.
9501 (all_iter_stmt_with_decl): Likewise.
9502 * gcc/c-tree.h (ITERATOR_P): Remove.
9503 (ITERATOR_BOUND_P): Likewise.
9504 (init_iterators): Remove declaration.
9505 (iterator_expand): Likewise.
9506 (iterator_for_loop_start): Likewise.
9507 (iterator_for_loop_end): Likewise.
9508 (iterator_for_loop_record): Likewise.
9509 (push_iterator_stack): Likewise.
9510 (pop_iterator_stack): Likewise.
9511 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
9512 (readonly_warning): Likewise.
9513 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
9515 2000-08-24 Jim Wilson <wilson@cygnus.com>
9517 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
9518 Copy type in a TYPE_DECL, just like pushdecl does.
9520 2000-08-24 Richard Henderson <rth@cygnus.com>
9522 * toplev.c (main): Enable flag_reorder_blocks at -O2.
9524 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9526 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
9527 asked for one page, allocate GGC_QUIRE_SIZE of them and put
9528 the extras on the free list.
9529 (release_pages): Clean up.
9530 (ggc_set_mark): Don't adjust G.allocated here...
9531 (sweep_pages): ... do it here.
9533 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9535 * cppfiles.c (read_include_file): Rearrange initializations.
9537 2000-08-24 Richard Henderson <rth@cygnus.com>
9539 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
9541 * config/ia64/ia64-protos.h: Update.
9542 * config/ia64/ia64.c (gr_register_operand): New.
9543 (fr_register_operand, grfr_register_operand): New.
9544 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
9545 (grfr_reg_or_8bit_operand): New.
9546 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
9547 use gr_register_operand.
9548 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
9549 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
9550 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
9551 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
9552 (fr_reg_or_fp01_operand): Likewise.
9553 (not_postinc_memory_operand): New.
9554 (ia64_split_timode): Remove unused variables.
9555 (rtx_needs_barrier): Check arguments to cmpxchg.
9556 (builtin_description): Remove.
9557 (bdesc_2argsi, bdesc_2argdi): Remove.
9558 (ia64_init_builtins): Declare all builtins directly.
9559 (ia64_expand_fetch_and_op): Rewrite to be called from
9560 ia64_expand_builtin directly. Use expand_binop and co.
9561 (ia64_expand_op_and_fetch): Likewise.
9562 (ia64_expand_compare_and_swap): Likewise.
9563 (ia64_expand_binop_builtin): Remove.
9564 (ia64_expand_lock_test_and_set): New.
9565 (ia64_expand_lock_release): New.
9566 (ia64_expand_builtin): Use them.
9567 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
9568 (EXTRA_CONSTRAINT): Use it.
9569 (PREDICATE_CODES): Update.
9570 * config/ia64/ia64.md (*): Use gr_register_operand and co.
9571 (mf): Indicate that we set memory as well as use it.
9572 (fetchadd_acq_si): Show memory being modified as well.
9573 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
9574 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
9575 (lock_test_and_set_si, lock_test_and_set_di): Remove.
9576 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
9577 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
9578 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
9579 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
9580 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
9581 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
9582 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
9583 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
9584 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
9585 return type. Pretty print definitions.
9587 2000-08-24 Jim Wilson <wilson@cygnus.com>
9589 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
9590 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
9592 2000-08-24 Jason Merrill <jason@redhat.com>
9594 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
9595 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
9596 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
9597 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
9599 2000-08-24 Greg McGary <greg@mcgary.org>
9601 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
9602 and extendtab within their proper array boundaries.
9603 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
9604 for the entire array.
9606 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
9607 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
9608 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
9609 * config/fr30/fr30.c (fr30_print_operand): Likewise.
9610 * config/i386/dgux.c (output_options): Likewise.
9611 * config/i386/dgux.h (ASM_FILE_START): Likewise.
9612 * config/m88k/m88k.c (output_options): Likewise.
9613 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
9614 * config/mcore/mcore.c (mcore_output_inline_const_forced,
9615 layout_mcore_frame, handle_structs_in_regs): Likewise.
9616 * config/mips/mips.c (output_block_move): Likewise.
9617 * config/rs6000/rs6000.c (rs6000_override_options,
9618 rs6000_file_start): Likewise.
9619 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
9620 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
9621 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
9622 * builtins.c (expand_builtin_setjmp): Likewise.
9623 * expr.c (safe_from_p): Likewise.
9624 * flow.c (life_analysis): Likewise.
9625 * fold-const.c (size_int_type_wide): Likewise.
9626 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
9627 * genattrtab.c (make_length_attrs): Likewise.
9628 * genopinit.c (gen_insn): Likewise.
9629 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
9630 * global.c (global_alloc): Likewise.
9631 * local-alloc.c (find_free_reg): Likewise.
9632 * mips-tdump.c (print_symbol): Likewise.
9633 * mips-tfile.c (parse_def, parse_input): Likewise.
9634 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
9635 * stmt.c (expand_nl_goto_receiver): Likewise.
9636 * stor-layout.c (set_sizetype): Likewise.
9637 * varasm.c (decode_reg_name): Likewise.
9638 * toplev.c (decode_f_option, decode_W_option,
9639 set_target_switch, print_switch_values): Likewise.
9640 (NUM_ELEM): Remove macro.
9641 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
9643 2000-08-24 Greg McGary <greg@mcgary.org>
9645 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
9646 (MAIN_NAME_P, main_identifier_node): New macros.
9647 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
9648 * c-decl.c (start_decl, grokdeclarator, start_function,
9649 store_parm_decls, finish_function): Use MAIN_NAME_P.
9650 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
9651 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
9652 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9653 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
9655 2000-08-24 Greg McGary <greg@mcgary.org>
9657 * cppfiles.c (actual_directory): Don't write beyond `dir'
9658 when it contains "".
9659 * real.c (asctoeg): Stay within bounds of etens[][].
9661 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9663 * dependence.c (dependence_string, direction_string,
9664 dump_one_node, dump_node_dependence): Hide unused identifiers.
9665 (get_low_bound, normalize_coefficients): Match definition to
9667 (get_one_coefficient): Initialize variables `value0_is_idx' and
9669 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
9670 (ziv_test): Delete variable `idx', use parameter `sub' instead.
9671 (direction_merge): Avoid automatic aggregate initialization.
9672 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
9673 Initialize variables `dest_idx' and `src_idx'.
9674 (end_dependence_analysis): Avoid C89 style function definition.
9676 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
9678 * c-common.c (time_char_table): Don't allow width with %F.
9679 (check_format_info): Don't allow "Z" length with scanf.
9681 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
9683 * diagnostic.c (finish_diagnostic): Define.
9684 (output_do_printf): Use wrap_text instead of output_add_string.
9685 (default_print_error_function): Avoid embedded '\n'.
9687 * diagnostic.h (flush_diagnostic_buffer): Declare.
9689 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
9691 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
9693 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
9695 * Makefile.in (GCC_PASSES): Add specs.
9697 2000-08-23 Jim Wilson <wilson@cygnus.com>
9699 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
9700 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
9701 EHANDLER nor UHANDLER bit is set.
9702 (__get_except_table): Likewise.
9704 2000-08-23 Nick Clifton <nickc@redhat.com>
9706 * config/arm/lib1funcs.asm: Replace upper case condition codes
9707 with lower case versions.
9709 * config/arm/arm.h (STRUCT_VALUE): Define.
9710 (STRUCT_VALUE_REGNUM): Delete.
9712 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
9714 * cpphash.h (IN_I): New flag for directive table.
9715 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
9717 (_cpp_check_directive): If -fpreprocessed, execute directives
9718 marked with IN_I. Issue no warnings in this case.
9719 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
9721 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
9723 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
9725 (check_format_info): Support printf 'I' flag; warn about it with
9728 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
9730 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
9731 barrier can't be ignored by the alias analysis code.
9733 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
9735 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
9736 works inside fixincl.
9738 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
9740 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
9741 simplify_relational_operation() unless both operands are of
9743 * cse.c (fold_rtx): Likewise.
9745 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
9747 * rtlanal.c (rtx_unstable_p): The pic register is stable
9748 (within one function) and the actual rtx should be used
9749 when checking the registers.
9750 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
9752 * alias.c (true_dependence, write_dependence_p): Fix
9753 bug in previous patch.
9755 * i386.c (ix86_GOT_alias_set): New.
9756 (legitimize_pic_address): Use it.
9758 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
9759 only stable if its address is stable.
9760 (rtx_varies_p): An unchanging MEM can't vary if
9761 its address doesn't vary.
9763 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9765 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
9767 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9769 * vax.h (ASM_SPEC): Pass `-J' to assembler.
9770 * x-vax-gcc: New file for bootstrapping with gcc.
9771 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
9772 * configure.in: Use x-vax-gcc with gcc.
9773 * configure: Rebuilt.
9775 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9777 * toplev.c (rest_of_compilation): Rebuild label notes after
9778 post-reload splitting pass if new labels have been created.
9780 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9782 * diagnostic.h (output_buffer_state): New macro.
9783 * diagnostic.c (diagnostic_for_decl, sorry,
9784 default_print_error_function, output_do_verbatim,
9785 report_diagnostic, report_problematic_module): Use it.
9787 (output_format): Use wrap_text instead of maybe_wrap_text.
9789 2000-08-22 Nick Clifton <nickc@redhat.com>
9791 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
9792 Common code for ARM divide and modulus functions.
9793 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
9795 (FUNC_END): New macro: Common code at the end of the division and
9797 (THUMB_FUNCTION_START): New macro: Common code at the start of
9799 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
9801 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9803 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
9805 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
9806 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
9809 2000-08-22 Nick Clifton <nickc@redhat.com>
9811 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
9812 restorative additions, test for bottom bits of IP being set,
9813 rather than relying upon the RORs not matching.
9816 2000-08-22 David Edelsohn <edelsohn@gnu.org>
9818 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
9819 text_section() as appropriate instead of emitting text csect
9821 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
9822 (UNIQUE_SECTION): Define macro.
9823 (ASM_OUTPUT_SECTION_NAME): Define macro.
9824 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
9825 on AIX if debugging and -fdata-sections always.
9827 2000-08-22 Steven King <sxking@uswest.net>
9829 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
9831 (LDBL_MAX): Same here.
9833 2000-08-22 Richard Henderson <rth@cygnus.com>
9835 * flow.c (tidy_fallthru_edge): Update b->end properly.
9837 2000-08-22 Stan Cox <scox@redhat.com>
9839 * Makefile.in (OBJS): Add dependence.o.
9840 * dependence.c: New file.
9842 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
9844 * calls.c (check_sibcall_argument_overlap_1): Adjust for
9846 (check_sibcall_argument_overlap): Likewise.
9848 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
9850 * invoke.texi (SH Options): Document -m4-nofpu,
9851 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
9852 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
9854 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
9856 * c-common.c (check_format_info): Give the 'some locales' warning
9857 for strftime %Ey rather than the unconditional 'only last 2 digits
9860 2000-08-22 Richard Henderson <rth@cygnus.com>
9862 * alias.c (init_alias_analysis): Do not register
9863 struct_value_incoming_rtx or static_chain_rtx as pointing
9866 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
9868 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
9870 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9872 * diagnostic.h (report_problematic_module): Declare.
9873 * diagnostic.c (report_problematic_module): New function.
9874 (report_error_function): Tweak.
9876 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9878 * stmt.c (expand_goto_internal, fixup_gotos): Only check
9879 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9881 2000-08-21 Richard Henderson <rth@cygnus.com>
9883 * flow.c (calculate_global_regs_live): Mark frame pointer live
9884 everywhere before reload.
9886 2000-08-21 Jim Wilson <wilson@cygnus.com>
9888 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9889 INTEL_EXTENDED_IEEE_FORMAT.
9890 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9891 clear last two bytes of output FP value.
9893 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9895 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9897 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9899 * unroll.c (loop_find_equiv_value): If ret is modified between
9900 insn and loop_start, ret might not be equivalent to reg.
9902 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9904 * c-common.c (init_dollar_format_checking,
9905 maybe_read_dollar_number, finish_dollar_format_checking): New
9907 (dollar_arguments_used, dollar_arguments_count,
9908 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9910 (check_format_info): Support $ formats for scanf and printf width
9911 and precision. Always increment format_chars to advance past the
9912 '*' of precision, not just when the format parameters are
9915 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9917 * mips.c (block_move_loop, expand_block_move,
9918 function_arg_partial_nregs, save_restore_insns, function_prologue,
9919 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9921 (function_arg_advance, function_arg): Match argument to format
9924 2000-08-21 Nix <nix@esperi.demon.co.uk>
9926 * gcc.c (do_spec_1): Implement %j spec flag.
9927 Remove dead comment.
9929 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9930 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9931 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9932 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9934 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9935 writable) instead of hardcoded value.
9937 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9939 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9942 * gcc.c (cc1_options): Do not process -o or run the assembler if
9944 * objc/lang-spec.h: Likewise.
9946 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9948 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9949 "external" fixes through `cat', to avoid truncating the input
9950 file by redirection.
9952 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9954 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9956 (lea_general_2, lea_general_3): Likewise.
9958 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9960 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9961 warnings to user code.
9963 * c-lex.c (readescape, yylex): Likewise.
9965 * c-typeck.c (store_init_value, process_init_element): Likewise
9966 (c_expand_start_case): Format.
9968 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9970 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9972 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9973 and linker_endian_spec to endian_spec.
9974 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9975 (LINK_SPEC): Remove %{EB} and %{EL}.
9976 (ASM_SPEC): Likewise. Use %(endian_spec).
9978 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9980 * c-tree.h (flag_hosted): Move declaration from here...
9981 * c-common.h (flag_hosted): ... to here.
9982 (flag_noniso_default_format_attributes): New declaration.
9983 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9984 (c_decode_option): Set it appropriately for options choosing
9985 language standard variant.
9986 * c-common.c (init_function_format_info): Only provide default
9987 format attributes if flag_hosted. Only provide the gettext
9988 formats if flag_noniso_default_format_attributes. Update
9990 (check_format_info): Disable treatment of %a as a scanf flag in
9993 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9995 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9997 (check_format_info): Set 'wide' for scanf format widths. Warn for
9998 a zero scanf width. Make the check for writing into a constant
9999 object at the first level of indirection; at later levels, warn if
10000 any type qualifiers are encountered.
10002 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
10004 * reload.c (reload_inner_reg_of_subreg): New function broken out of
10006 (push_reload): Use reload_inner_reg_of_subreg.
10007 (combine_reloads): Do not combine reloads if the input reload
10008 is a SUBREG in which the inner part will need reloading.
10010 * global.c (global_alloc): Avoid passing dumpfile argument to
10012 * toplev.c (rest_of_compilation): Likewise.
10013 * reload.h (reload): Remove dumpfile argument. Callers changed.
10014 (debug_reload, debug_reload_to_stream): Move prototypes here.
10015 * rtl.h (reload): Remove dumpfile argument.
10016 * reload.c (debug_reload): Remove prototype.
10017 (debug_reload_to_stream): Likewise.
10018 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
10021 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10023 * diagnostic.c (context_as_prefix): Export.
10024 (need_error_newline): Remove.
10025 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
10026 (error_module_changed, record_last_error_module,
10027 error_function_changed, record_last_error_function): New functions.
10028 (initialize_diagnostics): Default intialize
10029 lang_diagnostic_starter, lang_diagnostic_finalizer.
10030 (init_output_buffer): Tweak.
10031 (file_name_as_prefix): New function.
10032 (announce_function, default_print_error_function,
10033 report_error_function, set_diagnostic_context): Tweak.
10035 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
10037 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
10038 condition expression.
10040 2000-08-20 Richard Henderson <rth@cygnus.com>
10042 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
10044 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
10046 * cppinit.c (cpp_init): Set global flag when called.
10047 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
10049 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
10051 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
10052 before `process_directive' so that newlines won't be missed
10054 (cpp_printf): Increment `print->lineno' when newline is emitted.
10056 * cppmain.c (cb_ident): Likewise.
10057 (cb_define): Likewise.
10058 (cb_undef): Likewise.
10059 (cb_include): Likewise.
10060 (cb_def_pragma): Likewise.
10061 (dump_macros_helper): Likewise.
10063 2000-08-20 Richard Henderson <rth@cygnus.com>
10065 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
10066 assigned before a loop.
10068 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
10069 (ashrsi3, lshrsi3): Likewise.
10071 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10073 * c-lang.c: #include diagnostic.h
10074 (c_tree_printer): New function.
10075 (lang_init): Initialize lang_printer.
10077 * Makefile.in (c-lang.o): Depends on diagnostic.h
10079 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
10081 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
10083 * diagnostic.c (default_diagnostic_starter,
10084 default_diagnostic_finalizer): New functions.
10085 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
10086 (pedwarn, pedwarn_with_file_and_line, error,
10087 error_with_file_and_line, fatal, warning,
10088 warning_with_file_and_line): Adjust call to report_diagnostic.
10089 (report_diagnostic): Rework.
10090 (set_diagnostic_context): New function.
10092 * diagnostic.h (struct diagnostic_context): New data structure.
10093 (diagnostic_message, diagnostic_argument_list,
10094 diagnostic_file_location, diagnostic_line_location,
10095 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
10096 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
10097 (set_diagnostic_context): Declare.
10098 (report_diagnostic): Change prototype.
10100 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
10102 * fix-header.c (main): Initialize cpplib.
10104 2000-08-19 Michael Meissner <meissner@redhat.com>
10106 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
10107 instructions in it before checking for indirect jumps.
10109 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
10110 in a indirect jump as a potential for conditional execution.
10112 * d30v.h (d30v_init_expanders): Don't declare here.
10113 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
10116 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
10118 * cpp.texi: Add @section for assertions.
10120 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
10122 * loop.c (scan_loop): Use CONST_CALL_P instead of
10123 checking for REG_LIBCALL / REG_RETVAL.
10125 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
10127 * reload1.c (reload_as_needed): Accept dumpfile argument,
10128 pass it to emit_reload_insns.
10129 (emit_reload_insns): Add new dumpfile argument. If non-null
10130 then dump the reloads for each insn into the dumpfile.
10131 (reload): Pass dumpfile to reload_as_needed.
10133 * invoke.texi: Clean up linux-gnu vs linux comments.
10135 2000-08-19 Richard Henderson <rth@cygnus.com>
10137 * config/ia64/ia64.c (reg_or_5bit_operand): New.
10138 (ia64_depz_field_mask): New.
10139 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
10140 (PREDICATE_CODES): Update.
10141 * config/ia64/ia64.md: Update commentary.
10142 (depz_internal): New.
10143 (ashlsi3): Implement directly.
10144 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
10145 (ashldi3): Use shladd.
10146 * config/ia64/ia64-protos.h: Update.
10148 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10150 * toplev.c (independent_decode_option): Always process -g.
10151 Remove third argument, now unused. Adjust caller to match.
10153 2000-08-18 Richard Henderson <rth@cygnus.com>
10155 * combine.c (make_compound_operation): Break after creating
10158 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
10160 * cpplib.c (cpp_register_pragma_space): Just return if the
10161 namespace is already registered.
10163 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
10165 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
10166 constant amount. Do not generate ROTL instruction.
10168 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
10170 * config/sh/elf.h: Do not include sh/sh.h.
10171 * config/sh/rtems.h: Likewise.
10172 * config/sh/rtemself.h: Do not include sh/elf.h.
10173 * configure.in: Get them included with `tm_file's.
10174 * configure: Rebuilt.
10176 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
10177 * config/sh/sh.c (fpscr_set_from_mem): Use them.
10179 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10181 * stor-layout.c (compute_record_type): Don't use mode of single
10182 field as mode of record if not integer mode of same type.
10184 * regmove.c (perhaps_ends_bb_p): New function.
10185 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
10186 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
10187 (fixup_match_1): Likewise.
10188 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
10189 avoid signed/unsigned warnings.
10191 * function.c (fixup_var_refs_1, case MEM): Update CODE after
10194 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
10196 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
10197 (_cpp_trigraph_map): Declaration moved from cpplex.c
10199 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
10200 instead of 256. Use consistent test for designated initializers.
10201 (cpp_init): Initialize trigraph_map.
10202 (initialize_standard_includes, parse_option): Use memcmp
10203 instead of strncmp.
10205 * cpplex.c (init_trigraph_map): Remove.
10206 (trigraph_ok, trigraph_replace, lex_line): Refer to
10209 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
10210 (do_unassert): Remove unused "next" local.
10212 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
10214 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
10216 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
10219 2000-08-17 Richard Henderson <rth@cygnus.com>
10221 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
10222 the first insn in a sequence.
10224 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
10226 * alias.c (true_dependence, write_dependence_p): A read
10227 involving a label_ref or the constant pool doesn't create
10230 * rtl.h (unchanging): Improve documentation.
10232 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
10234 * cse.c (insert_regs): Remove unused `regno'.
10236 2000-08-17 Neil Booth <NeilB@earthling.net>
10238 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
10239 remove_dup_dirs. If qtail == brack, remove brack not
10241 (remove_dup_dir, remove_dup_dirs): New functions.
10243 2000-08-17 Neil Booth <NeilB@earthling.net>
10245 * cppinit.c (cpp_cleanup): Free include dir chains.
10246 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
10247 (do_unassert): Free the assert with _cpp_free_definition.
10248 * cppmacro.c (_cpp_free_definition): Free memory allocated for
10249 assertions. Make the node a T_VOID node.
10251 2000-08-17 Neil Booth <NeilB@earthling.net>
10253 * cppinit.c (path_include, append_include_chain):
10254 Remove 2nd parameter (struct cpp_pending *).
10255 (path_include, initialize_standard_includes, cpp_handle_option):
10256 Update callers appropriately.
10257 (cpp_handle_option): Use pend.
10259 2000-08-17 Neil Booth <NeilB@earthling.net>
10261 * cppinit.c (sort_options): Remove, put functionality in
10264 (initialize_builtins): Free memory.
10265 (cpp_start_read): Move init_IStable to cpp_init.
10267 * cpplib.h (cpp_init): New prototype.
10268 * cppmain.c (main): Call cpp_init.
10270 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
10272 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
10273 (rtx_unstable_p, rtx_varies_p): Process vectors.
10275 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10277 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
10278 references to GLOBAL symbols. Use LOCAL where appropriate.
10280 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10282 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
10283 use t-aix41 when host == target.
10285 2000-08-16 Richard Henderson <rth@cygnus.com>
10287 * reload.c (push_secondary_reload): Revert last change.
10288 If we use a reload_in/out pattern, make the when the same
10289 as the primary reload.
10290 (find_reloads): Likewise.
10292 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
10294 * configure.in (libstdcxx-v3): Fix test.
10295 * configure: Regenerate.
10297 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10299 * calls.c (calls_function_1, expand_call): Only test
10300 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10301 * function.c (thread_prologue_and_epilogue_insns): Likewise.
10303 2000-08-16 Richard Henderson <rth@cygnus.com>
10305 * combine.c (simplify_shift_const): Revert previous two
10306 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
10307 before the main loop.
10309 2000-08-15 Richard Henderson <rth@cygnus.com>
10311 * combine.c (simplify_shift_const): Bound shift count when
10314 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10316 * calls.c (ECF_SP_DEPRESSED): New macro.
10317 (calls_function_1): Treat calling sp-depressed function as alloca.
10318 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10319 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10320 If sp-depressed, ensure block saves and restores SP.
10321 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10323 * function.c (keep_stack_depressed): New function.
10324 (thread_prologue_and_epilogue_insns): Call it.
10325 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10326 to print DECL_OFFSET_ALIGN.
10327 Print no-force-blk and transparent-union flags properly.
10328 * stmt.c (expand_goto_internal): Don't restore stack if last block
10329 and function returns with sp depressed.
10330 (fixup_gotos): Likewise.
10331 (save_stack_pointer): New function, from code in expand_decl.
10332 (expand_decl): Call new function.
10333 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10334 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10335 (save_stack_pointer): New declaration.
10337 * diagnostic.c (fatal_function): New variable.
10338 (set_fatal_function): New function.
10340 * diagnostic.h (set_fatal_function): New declaration.
10342 2000-08-15 William Cohen <wcohen@redhat.com>
10344 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10345 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10346 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10348 2000-08-15 Richard Henderson <rth@cygnus.com>
10350 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10352 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10354 * arm.c (arm_function_ok_for_sibcall): New function.
10355 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10356 * arm.md (call expanders): Don't check here for calls that can't
10359 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10361 * arm.md (splits generating cond_exec): Disable.
10363 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10365 * arm/linux-elf.h (text_section): Delete declaration.
10367 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10369 ARM support for unordered FP operations.
10370 * arm-protos.h (arm_comparison_operator): Declare.
10371 * arm.c (arm_comparison_operator): New function.
10372 (arm_select_cc_mode): Add unordered comparison codes.
10373 (get_arm_condition_code): Likewise.
10374 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10375 be done in one insn.
10376 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10377 * arm.md (all uses of comparison_operator): Replace with
10378 arm_comparison_operator.
10379 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10381 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10384 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10386 * gthr-posix.h: Conditionally include <sched.h>; include
10387 <config.h> from libobjc/.
10389 2000-08-14 Richard Henderson <rth@cygnus.com>
10391 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10394 2000-08-14 Richard Henderson <rth@cygnus.com>
10396 * configure.in (ia64-*): Set float_format for i386 long double.
10398 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10399 as we would for i386 XFmode.
10400 (PUT_REAL): Likewise.
10401 (endian, ereal_atof, real_value_truncate): Likewise.
10402 (ereal_isneg, toe64, etens, make_nan): Likewise.
10403 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10405 * config/ia64/ia64-protos.h: Update.
10406 * config/ia64/ia64.c (general_tfmode_operand): New.
10407 (destination_tfmode_operand): New.
10408 (tfreg_or_fp01_operand): New.
10409 (ia64_split_timode): New.
10410 (spill_tfmode_operand): New.
10411 (ia64_expand_prologue): Use TFmode not XFmode.
10412 (ia64_expand_epilogue): Likewise.
10413 (ia64_function_arg): Likewise.
10414 (ia64_function_arg_advance): Likewise.
10415 (ia64_return_in_memory): Likewise.
10416 (ia64_function_value): Likewise.
10417 (ia64_print_operand): Likewise.
10418 (ia64_register_move_cost): Set GR<->FR to 5.
10419 (ia64_secondary_reload_class): Get GR for TImode memory op.
10420 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10421 (ROUND_TYPE_ALIGN): Remove.
10422 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10423 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10424 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10425 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10426 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10427 (CLASS_MAX_NREGS): Likewise.
10428 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10429 (PREDICATE_CODES): Update.
10430 * config/ia64/ia64.md (movti): New.
10431 (movti_internal): Use a clobber for memory alternatives.
10432 (reload_inti, reload_outti): New.
10433 (movsfcc_astep): Predicate properly.
10434 (movdfcc_astep): Likewise.
10437 (extendsftf2, extenddftf2): New.
10438 (trunctfsf2, trunctfdf2): New.
10439 (floatditf2, fix_trunctfdi2): New.
10440 (floatunsditf2, fixuns_trunctfdi2): New.
10441 (addtf3, subtf3, multf3, abstf2): New.
10442 (negtf2, nabstf2, mintf3, maxtf3): New.
10443 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10445 (fr_spill): Use TFmode, not XFmode.
10446 (fr_restore): Likewise.
10447 * config/ia64/lib1funcs.asm (__divtf3): New.
10448 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10450 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10452 * cse.c (fold_rtx): Avoid empty body in an if-statement.
10454 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
10455 `U' integer constant suffix.
10457 * dwarf2out.c (add_subscript_info): Avoid empty body in an
10460 * sparc/sol2.h (__enable_execute_stack): Prototype.
10462 2000-08-14 David Edelsohn <edelsohn@gnu.org>
10464 * collect2.c: Remove use of AIX import file.
10466 * longlong.h: Test ARCH_PWR not ARCH_POWER.
10468 * rs6000.c (print_operand, case 'E'): Add else.
10470 2000-08-14 Richard Henderson <rth@cygnus.com>
10472 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
10473 (movdi_symbolic): New.
10475 2000-08-14 Jim Wilson <wilson@cygnus.com>
10477 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10478 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
10479 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10482 2000-08-14 Richard Henderson <rth@cygnus.com>
10484 * expr.c (emit_group_load): Don't force constants into registers.
10485 Special case source already in the correct mode.
10487 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
10489 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
10490 * fixinc/inclhack.def: Likewise.
10491 * fixinc/mkfixinc.sh: Likewise.
10492 * configure: Regenerate.
10493 * fixinc/fixincl.x: Regenerate.
10494 * install.texi: Document equivalence of linux and linux-gnu.
10496 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10498 * cse.c (insert_regs): Also in REG case: When finding an invalid
10499 value, and we make a new quantity, make sure that it won't be
10500 mistaken by for a valid one by mention_regs.
10502 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
10504 * h8300.md: Remove obsolete peepholes.
10506 2000-08-13 Kazu Hirata <kazu@hxi.com>
10508 * invoke.texi (H8/300 Options): Fix typos.
10509 * config/h8300.c: Fix formatting.
10510 * config/h8300.h: Fix comment typos.
10511 (OVERRIDE_OPTIONS): Fix formatting.
10513 * function.c: Fix formatting.
10515 * cse.c: Fix formatting.
10517 2000-08-13 Geoff Keating <geoffk@cygnus.com>
10519 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
10520 (attempt_auto_inc): Suppress parentheses warning.
10521 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
10522 * loop.c (load_mems): Remove `u' suffix in two places.
10523 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
10525 * config/rs6000/rs6000.h: Likewise.
10526 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
10527 __eabi dummy routine.
10528 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
10529 variable `buf_ptr'.
10531 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
10532 not put stuff in .sdata unnecessarily.
10533 (rs6000_unique_section): New function.
10534 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
10535 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
10537 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
10538 arrays in C99. Don't try to look at DECL_REGISTER of a
10539 COMPONENT_REF. Don't complain twice about the same error.
10541 * fixinc/inclhack.def (aix_pthread): New fix.
10542 (aix_sysmachine): New fix.
10543 * fixinc/fixincl.x: Regenerate.
10545 * expr.c (expand_expr): Call convert_modes when turning a large
10546 multiply into a small one.
10548 2000-08-12 Geoff Keating <geoffk@cygnus.com>
10550 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
10551 the tree structure an exponent rather than an explicit alignment
10552 so it doesn't overflow.
10553 (SET_DECL_OFFSET_ALIGN): New macro.
10554 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
10555 rather than DECL_OFFSET_ALIGN.
10556 (place_field): Likewise.
10557 * expmed.c (store_bit_field): Abort on align==0 to avoid
10558 antisocial machine behaviour.
10560 2000-08-12 Richard Henderson <rth@cygnus.com>
10562 * sibcall.c (uses_addressof): Accept both addressof and
10563 current_function_internal_arg_pointer inside a mem.
10564 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
10565 if current_function_uses_addressof.
10566 * stmt.c (expand_return): Kill tail recursion and HAVE_return
10569 2000-08-11 Richard Henderson <rth@cygnus.com>
10571 * config/ia64/ia64.md (addsi3): Remove expander.
10572 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
10573 (*addsi3_shladd): New.
10575 2000-08-11 Richard Henderson <rth@cygnus.com>
10577 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10578 (do_restore): Likewise.
10579 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
10580 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
10581 (rtx_needs_barrier): Track actual bit manipulation for
10582 ar.unat moves, gr_spill, and gr_restore.
10583 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
10584 (process_set): Don't handle varargs spills.
10585 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
10586 .mem.offset here instead of in process_set.
10587 (gr_restore): Likewise.
10589 2000-08-11 Richard Henderson <rth@cygnus.com>
10591 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
10593 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10595 * gcc.texi (The Configuration File): Document
10596 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
10597 UPDATE_PATH_HOST_CANONICALIZATION.
10599 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10601 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
10602 unprototyped function pointer casts on integer constants.
10604 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
10606 * fixproto: Recognize DOS paths with drive letters as absolute paths.
10608 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
10610 * extend.texi (Volatiles): Fix typos.
10612 2000-08-11 Kazu Hirata <kazu@hxi.com>
10614 * flow.c: Fix formatting.
10616 2000-08-11 Richard Henderson <rth@cygnus.com>
10618 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
10619 pattern, always allocate a tertiary scratch register.
10621 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
10622 (reload_inhi): Likewise.
10624 2000-08-11 Richard Henderson <rth@cygnus.com>
10626 * function.c (put_reg_into_stack): Allow type to be NULL.
10627 (schedule_fixup_var_refs): Likewise.
10628 (gen_mem_addressof): Allow decl to be NULL.
10629 (put_addressof_into_stack): Likewise.
10631 * flow.c (merge_blocks_nomove): Be more careful about
10632 locating the beginning of block A.
10634 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
10636 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10641 * config.in: Reverted the check for <sched.h>.
10643 2000-08-10 Chris Demetriou <cgd@sibyte.com>
10645 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
10646 macros define the name of CTOR and DTOR sections.
10647 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10648 DTOR_LIST_END): Change to use attributes to specify
10650 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
10651 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10652 DTOR_LIST_END): Same as in mips/elf.h.
10654 2000-08-10 Drew Moseley <dmoseley@redhat.com>
10656 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
10657 disabling just crt0.o.
10659 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
10661 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
10662 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
10663 (EXTRA_SPECS): Add them.
10664 * arm/lib1funcs.asm: Support builds for interworking.
10665 Use macros to eliminate duplicated pieces of code.
10667 2000-08-10 Kazu Hirata <kazu@hxi.com>
10669 * h8300.c (expand_a_rotate): New.
10670 (emit_a_rotate): Likewise.
10671 (h8300_adjust_insn_length): Add support for the rotate insns.
10672 * h8300.md (rotlqi3): New.
10673 (*rotlqi3_1): Likewise.
10674 (rotlhi3): Likewise.
10675 (*rotlhi3_1): Likewise.
10676 (rotlhi3): Likewise.
10677 (*rotlhi3_1): Likewise.
10678 * h8300-proto.h: Add prototypes for expand_a_rotate and
10681 * h8300.c: Fix comment typos.
10682 (dosize): Declare the variable amount as unsigned.
10683 (get_shift_alg): Fix a comparison between signed and unsigned.
10684 (emit_a_shift): Likewise.
10685 (h8300_adjust_insn_length): Simplify the code.
10687 * c-decl.c: Fix formatting.
10689 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10691 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
10692 warning about non-traditional numeric constant suffixes.
10694 * cppexp.c (parse_number): Likewise.
10696 * invoke.texi: (-Wtraditional): Document new behavior.
10698 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10700 * gthr-posix.h: Include auto-host.h. Conditionally include
10702 * configure.in: Check for the <sched.h> header file.
10703 * config.in: Added define for HAVE_SCHED_H.
10705 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10707 * c-typeck.c (process_init_element): For -Wtraditional, warn about
10708 initialization of unions.
10710 * invoke.texi (-Wtraditional): Document new behavior.
10712 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
10714 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
10715 instead of extra_c_flags.
10716 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
10717 * configure: Regenerate.
10718 * config.in: Regenerate.
10720 * cpperror.c (cpp_type2name): New function.
10721 * cpplex.c (lex_line): If we issued an error for an invalid
10722 preprocessing directive, discard that logical line.
10723 * cpplib.c (do_line): Call a hook function if the current file
10724 is renamed by #line.
10725 (do_ident): Pass the contents of the string, not the entire
10726 token, to the callback function.
10727 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
10728 (cb.rename_file): New hook function.
10729 (cb.ident): Adjust prototype.
10730 (cpp_type2name): Prototype.
10731 * cppmacro.c (dump_macro_args): Correct precedence lossage.
10733 * cppmain.c (cb_ident): Update for changed interface.
10734 (cb_rename_file): New function.
10735 (main): Set rename callback.
10737 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
10739 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
10740 multi-word registers.
10742 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10744 * c-common.c (combine_strings, check_format_info): Refer to ISO C
10745 or ISO C89 instead of ANSI C.
10746 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
10747 build_enumerator, do_case): Likewise.
10748 * c-lex.c (parse_float, yylex): Likewise.
10749 * c-parse.in: Likewise.
10750 * c-typeck.c (common_type, build_array_ref, build_binary_op,
10751 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
10752 build_c_cast, convert_for_assignment, set_init_index,
10753 set_init_label, c_expand_start_case): Likewise.
10754 * toplev.c (documented_lang_options, display_help): Likewise.
10756 2000-08-08 Kazu Hirata <kazu@hxi.com>
10758 * h8300.c: Fix formatting.
10759 * h8300.h: Likewise.
10760 * h8300.md: Likewise.
10761 (movsi_h8300hs): Fix formatting of the resulting assembly code.
10763 * reload1.c: Fix formatting.
10765 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
10767 * alpha/alpha.c (alpha_emit_xfloating_libcall):
10768 Use GEN_CALL_VALUE define.
10769 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
10770 * clipper/clipper.md (untyped_call): Likewise.
10771 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
10772 * fx80/fx80.md (untyped_call): Likewise.
10773 * mips/mips.md (untyped_call): Likewise.
10774 * ns32k/ns32k.md (untyped_call): Likewise.
10775 * pa/pa.md (untyped_call): Likewise.
10776 * romp/romp.md (untyped_call): Likewise.
10777 * sparc/sparc.md (untyped_call): Likewise.
10779 2000-08-08 Jason Eckhardt <jle@cygnus.com>
10781 * config/i860/i860.c (singlemove_string): Do not generate assembler
10782 pseudo instructions that must be expanded (that is, with signed
10783 constants larger than 16 bits).
10785 2000-08-08 Richard Henderson <rth@cygnus.com>
10787 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
10788 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
10789 (init_propagate_block_info): Don't kill memory stores at -O0.
10790 (mark_set_1, mark_used_regs): Likewise.
10792 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10794 * rs6000.c (optimization_options): Decorate 'level' as
10796 (mask64_operand): Remove sign-extend thinko.
10797 (rldic_operand): New function.
10798 (load_multiple_operation): regno's are unsigned ints.
10799 (store_multiple_operation): Likewise.
10800 (lmw_operation): Likewise.
10801 (stmw_operation): Likewise.
10802 (includes_lshift_p): shift_mask is unsigned int.
10803 (includes_lshift64_p): New function.
10804 (addrs_ok_for_quad_peep): unsigned int reg1.
10805 (print_operand): Consistently add "else" after
10806 output_operand_lossage().
10807 (print_operand, case 'b'): Fold in case 'W'.
10808 (print_operand, case 'W'): Print rldic MB value.
10809 (output_epilogue): Update Objective-C language string.
10810 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
10811 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
10812 * rs6000.md (ashldi3): Add rldic instruction.
10813 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
10814 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
10817 2000-08-08 Richard Henderson <rth@cygnus.com>
10819 * config/ia64/ia64-protos.h: Remove duplicates. Update
10820 for massive code rearrangements.
10821 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
10822 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
10823 (ia64_local_regs, ia64_need_regstk): Remove.
10824 (ar_ccv_reg_operand): New.
10825 (ia64_gp_save_reg): New.
10826 (struct ia64_frame_info): Combine most of the size elements;
10827 add new gr save elements.
10828 (find_gr_spill): New.
10829 (next_scratch_gr_reg): New.
10830 (mark_reg_gr_used_mask): New.
10831 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
10832 to GR backing store regs when possible.
10833 (ia64_initial_elimination_offset): New.
10834 (ia64_rap_fp_offset): Remove.
10835 (save_restore_insns): Remove.
10836 (setup_spill_pointers): New.
10837 (finish_spill_pointers): New.
10838 (spill_restore_mem): New.
10839 (do_spill, do_restore): New.
10840 (ia64_expand_prologue): Rewrite to use them.
10841 (ia64_expand_epilogue): Likewise.
10842 (ia64_direct_return): Update for current_frame_info changes.
10843 (ia64_function_prologue): Simplify .prologue emission. Emit
10844 .spill when needed.
10845 (ia64_setup_incoming_varargs): Don't ever emit rtl.
10846 (ia64_dbx_register_number): New.
10847 (ia64_initialize_trampoline): New.
10848 (ia64_secondary_reload_class): Request GR_REGS for integer
10849 arithmetic destined for FR_REGS.
10850 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
10851 (ia64_mark_machine_status): Mark ia64_gp_save.
10852 (rws_access_regno): Rename from rws_access_reg; don't treat
10853 predicates specially.
10854 (rws_access_reg): New. Update all callers.
10855 (rtx_needs_barrier): Remove dead unspecs.
10856 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
10857 (ia64_encode_section_info): Silence signed/unsigned warnings.
10858 (spill_offset, sp_offset, spill_offset_emitted): Remove.
10859 (tmp_reg, tmp_saved): Remove.
10860 (process_set): Rewrite to expect complicated bits via
10861 REG_FRAME_RELATED_EXPR.
10862 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
10863 in the use of ar.ccv; never set RTX_UNCHANGING_P.
10864 (ia64_expand_op_and_fetch): Likewise.
10865 (ia64_expand_compare_and_swap): Likewise.
10866 (ia64_expand_builtin): Likewise.
10867 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
10868 (FIRST_PSEUDO_REGISTER): Update.
10869 (AR_M_REGNO_P): Update.
10870 (FIXED_REGS): Don't mark three local registers as used.
10871 (EXTRA_CC_MODES): New.
10872 (SELECT_CC_MODE): New.
10873 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
10874 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
10875 (FRAME_GROWS_DOWNWARD): Unset.
10876 (STARTING_FRAME_OFFSET): Zero.
10877 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
10878 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
10879 (HARD_FRAME_POINTER_REGNUM): New.
10880 (CAN_DEBUG_WITHOUT_FP): Define.
10881 (TRAMPOLINE_TEMPLATE): Remove.
10882 (TRAMPOLINE_SIZE): Lower to 32.
10883 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10884 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10885 (PREDICATE_CODES): Update.
10886 (struct machine_function): Add ia64_gp_save.
10887 * config/ia64/ia64.md: Purge unused unspecs.
10888 (movsi patterns): Allow moves to/from AR_M_REGS.
10889 (movdi patterns): Allow moves to/from p0.
10890 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10891 (gr_spill, gr_restore): Indicate ar.unat read/written.
10892 (nonlocal_goto): Don't pass old frame_pointer.
10893 (nonlocal_goto_receiver): Remove.
10894 (exception_receiver): New.
10895 (builtin_setjmp_setup): New.
10896 (builtin_setjmp_receiver): New.
10897 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10898 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10899 (__ia64_restore_stack_nonlocal): Likewise.
10900 (__ia64_trampoline): New.
10901 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10903 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10905 2000-08-08 Richard Henderson <rth@cygnus.com>
10907 * frame.h (ia64_frame_state): Add my_psp.
10908 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10909 (__throw): Pass it in. Don't clobber r7.
10910 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10911 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10912 and nothing to do with sp.
10913 (normalize_reg_loc): Use frame->my_psp.
10914 (frame_translate): Handle frame-pointer-less functions. Set
10915 spill_base correctly, in absence of being told.
10916 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10917 (__ia64_backtrace_helper): New sp argument. Use
10918 builtin_return_address instead of label addresses.
10919 (print_record) [mem_stack_v]: No size member.
10921 2000-08-08 Richard Henderson <rth@cygnus.com>
10923 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
10925 2000-08-08 Richard Henderson <rth@cygnus.com>
10927 * tm.texi (LOCAL_REGNO): Document.
10928 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10929 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10930 * reload1.c (reload): Likewise when considering nonlocal labels.
10932 * config/ia64/ia64.h (LOCAL_REGNO): New.
10933 * config/sparc/sparc.h (LOCAL_REGNO): New.
10935 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10937 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10939 2000-08-07 Nick Clifton <nickc@redhat.com>
10941 * config/mips/mips.c: Fix compile time warning messages.
10942 * config/mips/mips-protos.h: Add prototype for equality_op.
10944 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10946 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10948 * mn10300.md: Use nonimmediate_operand instead of general_operand
10949 on output operands.
10951 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10953 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10955 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10956 * sh.c (expand_block_move): Break long lines.
10957 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10958 * sh.md (mulsi3): Likewise.
10959 (movdi): Adjust spacing.
10961 2000-08-07 Richard Henderson <rth@cygnus.com>
10963 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10964 * expr.c (emit_group_store): Don't set it.
10966 2000-08-07 Kazu Hirata <kazu@hxi.com>
10968 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10969 duplicate entries for 'w' and 'z'.
10971 * flow.c: Fix a comment typo.
10973 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10975 * c-parse.in: Changed the language string for Objective-C to "GNU
10978 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10980 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10981 to improve the Posix thread support for Objective-C.
10983 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10985 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10986 CTI_UNSIGNED_PTRDIFF_TYPE.
10987 (signed_size_type_node): Define.
10988 (unsigned_ptrdiff_type_node): Define.
10989 * c-decl.c (init_decl_processing): Create the
10990 signed_size_type_node and unsigned_ptrdiff_type_node types.
10991 * c-common.c (T_SC): Define.
10994 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10995 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10997 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10998 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10999 flags for %c, %s and %[.
11000 (check_format_info): Only allow leniency for signedness of targets
11001 of character pointers (when pedantic) for formats flagged with
11002 "c", so for strings but not for %hh formats. When pedantic, don't
11003 allow character pointers to substitute for void pointers if a
11004 second level of indirection is present.
11006 2000-08-06 Kazu Hirata <kazu@hxi.com>
11008 * invoke.texi (Options for Debugging Your Program or GCC): Update
11009 the names of dump files.
11011 * h8300.c (dosize): Rearrange code for conciseness.
11012 (split_adds_subs): Likewise.
11014 * loop.c: Fix formatting.
11016 * dwarf2out.c: Fix formatting.
11018 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
11020 * expr.c: Fix formatting.
11022 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11024 * rs6000.c (rs6000_maybe_dead): Prototype.
11026 2000-08-06 Richard Henderson <rth@cygnus.com>
11028 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
11029 HAVE_nonlocal_goto as well.
11030 * config/i960/i960.md (nonlocal_goto): Don't do it here.
11031 * config/pj/pj.md (nonlocal_goto): Likewise.
11033 2000-08-07 Michael Hayes <mhayes@cygnus.com>
11035 * loop.c (try_swap_copy_prop): New function.
11036 (load_mems): Rename copies to load_copies and add new regset
11037 store_copies. Check for sets of shadow registers and mark
11038 in store_copies. Call try_swap_copy_prop for registers
11039 marked in store_copies.
11041 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11043 * objc/objc-act.c: New command line option -fconstant-string-class
11044 to allow specifying a user defined constant string class,
11045 different from NXConstantString.
11047 * toplev.c: Moved the Objective-C specific options to
11048 objc/lang-options.h.
11050 * objc/lang-options.h: Moved the Objective-C specific options from
11051 toplev.c. Added -fconstant-string-class.
11053 2000-08-05 Chris Demetriou <cgd@sibyte.com>
11055 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11056 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
11057 __CTOR_LIST__ from func_ptr array to just func_ptr, to
11058 avoid extra alignment imposed on arrays.
11059 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11060 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
11062 * mips.h: Clean up comments and spacing near MASKs.
11063 (TARGET_UNIX_ASM): Delete.
11064 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
11065 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
11068 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
11070 * c-common.c (print_char_table): Add entries for the X/Open '
11071 format flag (print decimals with locale's thousands grouping
11072 character). Make %C expect wint_t.
11073 (check_format_info): If pedantic, warn when the %n$ operand
11074 number form is used. Allow for the ' flag; warn about it if
11077 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
11079 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
11080 type is a float mode, cfun->decl's return type is not, and
11081 TARGET_FLOAT_RETURNS_IN_80387.
11083 2000-08-04 Andreas Schwab <schwab@suse.de>
11085 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
11086 token list, which are always `#' and `pragma'.
11088 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
11090 * tree.c (tree_expr_nonnegative_p): Move to...
11091 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
11092 (rtl_expr_nonnegative_p): New.
11093 * tree.h: Add prototype for rtl_expr_nonnegative_p.
11095 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
11096 CONST_DOUBLE_CHAIN: Move to...
11097 * rtl.h: ...here. Use XCINT/XCEXP.
11099 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
11100 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
11101 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
11104 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
11106 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11108 * config/c4x/c4x.md (return_indirect_internal): New.
11109 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
11111 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11113 * c-common.c (time_char_table): Mark up formats added in C99 and
11114 make other corrections. %D and %g were added in C99. %Og is an
11115 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
11116 C99. %e was added in C99. %Oj is an extension. %G and %z are in
11117 C99 rather than GNU extensions, but %OG and %Oz are extensions.
11118 %h was added in C99. %C was added in C99. %OY and %OC are
11119 extensions. Add the C99 format %F.
11120 (check_format_info): If pedantic and not in C99 mode, warn for C99
11121 formats, %E and %O.
11123 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11125 * function.c (schedule_fixup_var_refs): New function, broken out
11126 of put_reg_into_stack.
11127 (put_reg_into_stack): Use it.
11128 (put_var_into_stack): In CONCAT case, fixup up references for
11129 components only after fixing up references to the whole concat.
11131 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
11133 * alias.c (mark_constant_function): Use INSN_P.
11134 (init_alias_analysis): Likewise.
11135 * combine.c (combine_instructions): Use INSN_P.
11136 (can_combine_p): Likewise.
11137 (try_combine): Likewise.
11138 (distribute_notes): Likewise.
11139 (distribute_links): Likewise.
11140 * cse.c (cse_around_loop): Use INSN_P.
11141 (invalidate_skipped_block): Likewise.
11142 (cse_set_around_loop): Likewise.
11143 (cse_end_of_basic_block): Likewise.
11144 (delete_trivially_dead_insns): Likewise.
11145 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
11146 (unshare_all_rtl_1): Likewise.
11147 (next_cc0_user): Likewise.
11148 (try_split make_insn_raw): Likewise.
11149 (remove_unnecessary_notes): Likewise.
11150 * final.c (shorten_branches): Use INSN_P.
11151 (leaf_renumber_regs): Likewise.
11152 (leaf_renumber_regs_insn): Likewise.
11153 * flow.c (find_label_refs): Use INSN_P.
11154 (verify_wide_reg): Likewise.
11155 (notice_stack_pointer_modification): Likewise.
11156 (count_or_remove_death_notes): Likewise.
11157 (verify_flow_info): Likewise.
11158 (clear_log_links): Likewise.
11159 * function.c (fixup_var_refs_insns): Use INSN_P.
11160 (compute_insns_for_mem): Likewise.
11161 * gcse.c (alloc_gcse_mem): Use INSN_P.
11162 (compute_sets): Likewise.
11163 (compute_hash_table): Likewise.
11164 (classic_gcse): Likewise.
11166 (insert_insn_end_bb): Likewise.
11167 (delete_null_pointer_checks_1): Likewise.
11168 * global.c (expand_preferences): Use INSN_P.
11169 (build_insn_chain): Likewise.
11170 * graph.c (node_data): Use INSN_P.
11171 * haifa-sched.c (priority): Use INSN_P.
11172 (rm_line_notes): Likewise.
11173 (rm_other_notes): Likewise.
11174 (find_insn_reg_weight): Likewise.
11175 (init_target_units): Likewise.
11176 (schedule_block): Likewise.
11177 (compute_block_forward_dependences): Likewise.
11178 (debug_dependencies): Likewise.
11179 (set_priorities): Likewise.
11180 * integrate.c (function_cannot_inline_p): Use INSN_P.
11181 (save_parm_insns): Likewise.
11182 (copy_insn_list): Likewise.
11183 * jump.c (mark_all_labels): Use INSN_P.
11184 (never_reached_warning): Likewise.
11185 * lcm.c (optimize_mode_switching): Use INSN_P.
11186 * local-alloc.c (validate_equiv_mem): Use INSN_P.
11187 (memref_used_between_p): Likewise.
11188 (update_equiv_regs): Likewise.
11189 (block_alloc): Likewise.
11190 (no_conflict_p): Likewise.
11191 * loop.c (scan_loop): Use INSN_P.
11192 (find_and_verify_loops): Likewise.
11193 (count_loop_regs_set): Likewise.
11194 (loop_reg_used_before_p): Likewise.
11195 (strength_reduce): Likewise.
11196 (recombine_givs): Likewise.
11197 (check_dbra_loop): Likewise.
11198 (load_mems): Likewise.
11199 (try_copy_prop): Likewise.
11200 * print-rtl.c (print_rtx): Use INSN_P.
11201 * recog.c (find_single_use): Use INSN_P.
11202 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
11203 (next_flags_user): Likewise.
11204 (swap_rtx_condition): Likewise.
11205 * regmove.c (mark_flags_life_zones): Use INSN_P.
11206 (optimize_reg_copy_1): Likewise.
11207 (optimize_reg_copy_2): Likewise.
11208 (optimize_reg_copy_3): Likewise.
11209 (reg_is_remote_constant_p): Likewise.
11210 (fixup_match_2): Likewise.
11211 (regmove_optimize): Likewise.
11212 (fixup_match_1): Likewise.
11213 * regrename.c (build_def_use): Use INSN_P.
11214 (replace_reg_in_block): Likewise.
11215 (consider_use): Likewise.
11216 * reload.c (find_equiv_reg): Use INSN_P.
11217 * reload1.c (reload): Use INSN_P.
11218 (maybe_fix_stack_asms): Likewise.
11219 (calculate_needs_all_insns): Likewise.
11220 (reload_as_needed): Likewise.
11221 (emit_output_reload_insns): Likewise.
11222 (delete_address_reloads_1): Likewise.
11223 (reload_cse_regs_1): Likewise.
11224 (reload_combine): Likewise.
11225 (reload_cse_move2add): Likewise.
11226 * reorg.c (redundant_insn): Use INSN_P.
11227 (dbr_schedule): Likewise.
11228 * resource.c (find_dead_or_set_registers): Use INSN_P.
11229 (mark_target_live_regs): Likewise.
11230 * rtlanal.c (reg_used_between_p): Use INSN_P.
11231 (reg_referenced_between_p): Likewise.
11232 (reg_set_between_p): Likewise.
11233 (reg_set_p): Likewise.
11234 (single_set): Likewise.
11235 (multiple_sets): Likewise.
11236 (find_last_value): Likewise.
11237 (reg_set_last): Likewise.
11238 (find_reg_note): Likewise.
11239 (find_regno_note): Likewise.
11240 * sibcall.c (sequence_uses_addressof): Use INSN_P.
11241 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
11242 * ssa.c (find_evaluations): Use INSN_P.
11243 (rename_block): Likewise.
11244 (rename_equivalent_regs): Likewise.
11245 * unroll.c (loop_find_equiv_value): Use INSN_P.
11246 (set_dominates_use): Likewise.
11247 * varasm.c (mark_constant_pool): Use INSN_P.
11248 (mark_constants): Likewise.
11249 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
11250 (alphaev4_next_group): Likewise.
11251 (alphaev5_next_group): Likewise.
11252 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
11253 (c4x_rptb_rpts_p): Likewise.
11254 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
11255 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
11256 (rs6000_adjust_priority): Likewise.
11257 * config/sh/sh.c (sh_loop_align): Use INSN_P.
11258 (machine_dependent_reorg): Likewise.
11259 (split_branches): Likewise.
11260 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
11262 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
11264 * combine.c (recog_for_combine): Remove the old notes
11265 prior to attempting to recognize the new pattern.
11266 (distribute_notes): Ignore REG_NONNEG notes.
11268 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
11270 * varasm.c (output_constructor): Add .align 0 for packed vars.
11272 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11274 * configure.in: Use default thread_file even when enable_threads is
11275 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
11276 * configure: Rebuilt.
11278 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
11280 2000-08-04 Donn Terry (donnte@microsoft.com)
11282 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
11284 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11286 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
11287 Delete code that conditionally modifies 'version'.
11288 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
11289 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
11290 * gcc.c (main): Use it.
11291 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
11292 * prefix.c (update_path): Use it.
11293 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
11294 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
11295 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
11297 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
11298 (SUBTARGET_SWITCHES): Adjust.
11299 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
11301 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
11303 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11305 * c-common.h (flag_isoc94): Declare.
11306 * c-decl.c (flag_isoc94): Define.
11307 (c_decode_option): Set flag_isoc94 as appropriate.
11308 * c-common.c (T_PD, T_IM, T_UIM): Define.
11309 (format_char_info): Add tlen and jlen.
11310 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11312 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11314 (time_char_table): Add NULL entries for %t and %j.
11315 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11316 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11317 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11318 precision. Allow precision argument to be unsigned int. If
11319 pedantic, warn for %p passed an argument not a pointer to possibly
11320 qualified void or a possibly qualified character type, and for
11321 pointer targets of the wrong sign, except for character pointers.
11323 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11325 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11326 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11327 (wint_type_node): Define.
11328 * c-decl.c (WINT_TYPE): Define.
11329 (init_decl_processing): Create the wint_type_node type.
11330 * c-common.c (T_WI): Define.
11331 (print_char_table): Use T_WI for %lc format.
11333 2000-08-04 Bruce Korb <bkorb@gnu.org>
11335 * fixinc/: Verified that the MSDOS patch does not break
11336 the UNIX functionality and applied the next three patches
11339 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11341 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11342 output file with the temporary one by appending ".X" to generate
11343 the temporary fuile's name. If the output file already has an
11344 extension, replace it with ".X".
11346 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11347 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11348 reallocate the command buffer while copying the command-line
11349 argument. Redirect the output directly to the temporary file,
11350 instead of going through another temporary file.
11351 (process): Close the temporary file before unlinking it.
11352 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11353 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11354 (run_compiles): Pass p_fixd argument to machine_matches, as it
11357 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11358 environment, assume there are no symlinks in the include
11359 directory. When cleaning up the DONE files, look for them
11360 case-insensitively. Don't try to remove symlinks if they aren't
11363 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11364 all callers changed. Declare pz "const char *", to avoid compiler
11367 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11368 Change prototype of make_raw_shell_str.
11370 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11372 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11373 (initialize) [__MSDOS__]: Use tempnam.
11374 (initialize): Don't use SIGPIPE if it is not defined.
11376 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11379 2000-07-25 Bruce Korb <bkorb@gnu.org>
11381 * fixinc/fix*.[ch]: substantially reworked to make it possible
11382 to run this program without using fork(2) or pipe(2) (i.e. in
11383 a DOS environment).
11385 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11387 * cppdefault.h (WINT_TYPE): Define.
11388 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11389 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11390 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11392 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11394 * (mips_legitimate_address_p): Don't allow register+offset
11395 if the offset is large and negative, and we are compiling
11396 for 64 bit registers.
11398 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11400 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11401 insn_code_number + 1.
11403 2000-08-04 Kazu Hirata <kazu@hxi.com>
11405 * h8300.c (function_prologue): Rearrange code for conciseness.
11406 (function_epilogue): Likewise.
11407 * h8300.h (OK_FOR_U): Fix formatting.
11409 * cse.c: Fix a comment typo. Fix formatting.
11411 2000-08-03 Richard Henderson <rth@cygnus.com>
11413 * config/i386/i386.md (return_indirect_internal): New.
11414 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11416 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11418 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11420 (lex_line): Glue @ onto the beginning of identifiers and
11421 string constants, in Objective-C mode.
11422 (output_token, spell_token): Handle CPP_OSTRING.
11423 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11424 beginning of a NAME or a STRING, in objc mode.
11426 * cpplib.c (get_define_node): Do not permit identifiers that
11427 begin with @ to be #defined.
11428 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11429 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11431 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11432 * c-tree.h (build_objc_string): Delete prototype.
11433 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11434 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11436 * c-parse.in, objc/objc-act.c: Update commentary.
11438 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11440 * extend.texi: Fix typo in last change.
11442 * extend.texi: Add commentary on statement-expressions and their
11443 interactions with C++.
11445 2000-08-03 Nick Clifton <nickc@cygnus.com>
11447 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11448 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11450 2000-08-03 Anthony Green <green@cygnus.com>
11452 * dwarf2out.c (gen_compile_unit_die): Add java language support.
11453 (add_bound_info): Check for java language.
11454 (is_java): New function.
11455 * dwarfout.c (output_compile_unit_die): Ditto.
11456 * dwarf.h (dwarf_source_language): Add java source language type.
11457 * dwarf2.h (dwarf_source_language): Ditto.
11459 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11461 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
11464 * i386.c (ix86_expand_branch): Mode of comparison in
11465 IF_THEN_ELSE is VOIDmode.
11467 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
11469 * gengenrtl.c, rtl.c: Avoid #elif.
11471 2000-08-03 Michael Poole <poole@troilus.org>
11473 * tm.texi (Register Classes): Clarify order of sub-initializers
11474 in REG_CLASS_CONTENTS.
11476 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11478 From SAITOH Masanobu:
11479 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
11481 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
11483 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
11484 is not supported by tradcpp and isn't actually needed for cygwin.
11486 2000-08-03 Kazu Hirata <kazu@hxi.com>
11488 * h8300.c: Fix a comment typo.
11489 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
11491 * jump.c: Fix formatting.
11493 * toplev.c: Fix formatting.
11495 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
11497 * flow.c (find_auto_inc): Verify that we've got a REG before
11498 peeking at its regno. Fail, don't abort if we can't find
11499 the increment of the desired register.
11501 * pa.md (shadd height reduction patterns/splitters): Remove.
11503 2000-08-02 Jim Wilson <wilson@cygnus.com>
11505 * config/ia64/ia64-protos.h (flag_ssa): Declare.
11506 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
11508 2000-08-02 Mark Mitchell <mark@codesourcery.com>
11510 * dce.c: Remove all uses of assert.
11511 * dwarf2out.c: Likewise.
11512 * dwarfout.c: Likewise.
11515 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11517 * gcc.h (lang_specific_driver): Constify second argument.
11518 * gcc.c (translate_options, process_command, main): Likewise.
11519 Constify variables to match. Cast second argument to
11522 * cppspec.c, gccspec.c: Adjust type of second argument to
11523 lang_specific_driver, and update code as necessary.
11525 2000-08-02 Jakub Jelinek <jakub@redhat.com>
11527 * loop.c (scan_loop): Ensure update_end label does not
11528 go away until reg_scan_update is run.
11530 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11532 * c-common.h: Prototype min_precision and c_build_qualified_type here...
11533 * c-tree.h: ... not here.
11534 * errors.h: Prototype fancy_abort.
11536 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
11537 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
11538 * regrename.c (regrename_optimize): Make control flow explicit.
11539 (replace_reg_in_block): Initialize reg_use to 0.
11541 * i386.c (legitimate_address_p): Rename error label to
11542 report_error to avoid namespace clash.
11544 2000-08-02 Kazu Hirata <kazu@hxi.com>
11546 * fold-const.c: Fix formatting.
11548 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
11550 * i386.c (legitimate_address_p): Accept other bases than
11551 pic_offset_table_rtx for GOTOFF constructs.
11553 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11555 * i386.md (shift to lea splitter): Use const_int_operand.
11557 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11559 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
11560 cppspec.c: Do not use 'legal' or 'illegal' in error messages
11563 * cppmain.c (cb_define, cb_undef): Don't generate any output
11564 if not done_initializing.
11565 * cpplex.c (maybe_paste_with_next): When the token after a ##
11566 is an omitted rest argument, only delete the token before it
11567 if that token is a comma. Do not warn about bogus token
11568 pastes for , ## rest_arg.
11570 * cpp.texi: Update.
11571 * cpp.1: Regenerate.
11573 2000-08-02 Fred Fish <fnf@be.com>
11575 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
11576 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
11579 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
11580 Be directories to search path.
11582 Remove support for __declspec(dllimport) and __declspec(dllexport).
11583 This is leftover cruft from the earlier BeOS gcc port when BeOS
11584 used Microsoft's PE object file format.
11585 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
11586 * config/i386/t-beos (winnt.o): Remove Makefile frag.
11587 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
11588 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
11589 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11590 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
11591 (REDO_SECTION_INFO_P): Remove.
11592 (ASM_EXPORT_DECL): Remove.
11593 (ASM_DECLARE_FUNCTION_NAME): Remove.
11594 (ASM_DECLARE_OBJECT_NAME): Remove.
11595 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
11596 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
11597 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
11598 (STRIP_NAME_ENCODING): Remove.
11600 Remove support for obsolete version of BeOS that is no longer
11602 * configure.in (i*86-*-beospe*): Remove.
11603 * config/i386/beos-pe.h: Remove.
11605 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
11606 Mark Mitchell <mark@codesourcery.com>
11608 * Makefile.in (OBJS): Added dce.o.
11609 (ssa.o): Updated target to include ssa.h.
11610 (flow.o): Likewise.
11611 (toplev.o): Likewise.
11612 (dce.o): Created target.
11613 * basic-block.h: Added comments.
11614 (INVALID_BLOCK): Added definition.
11615 (connect_infinite_loops_to_exit): Added declaration.
11616 Moved SSA declarations to ssa.h.
11617 * flow.c: Added inclusion of ssa.h.
11618 (struct depth_first_search_dsS, depth_first_search_ds):
11620 (compute_immediate_postdominators): Added definition.
11621 (connect_infinite_loops_to_exit): Likewise.
11622 (flow_dfs_compute_reverse_init): Likewise.
11623 (flow_dfs_compute_reverse_add_bb): Likewise.
11624 (flow_dfs_compute_reverse_execute): Likewise.
11625 (flow_dfs_compute_reverse_finish): Likewise.
11626 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
11627 (LABEL_P): Added definition.
11628 (JUMP_P): Likewise.
11629 (NOTE_P): Likewise.
11630 (BARRIER_P): Likewise.
11631 (JUMP_TABLE_DATA_P): Likewise.
11632 (INSN_DEAD_CODE_P): Likewise.
11633 * ssa.c: Replaced inclusions with ssa.h inclusion.
11634 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
11635 (rename_registers): Removed unnecessary variables.
11636 * ssa.h: Created by moving declarations from ssa.c and
11638 * timevar.def: Defined TV_DEAD_CODE_ELIM.
11639 * toplev.c: Added ssa.h inclusion.
11640 (dump_file_index): Added DFI_dce.
11641 (dump_file): Added "dce" entry.
11643 (f_options): Added dce entry.
11644 * invoke.texi: Document -fdce. Emphasize experimental status of
11648 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
11650 * cpperror.c (v_message): Split into _cpp_begin_message and
11651 v_message macro. All callers updated.
11652 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
11655 * cppfiles.c (cpp_syshdr_flags): New function.
11656 (read_include_file): Don't call cpp_output_tokens. Call
11658 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
11659 (cpp_reader_init): Don't initialize token_buffer. Call
11660 _cpp_init_internal_pragmas.
11661 (cpp_cleanup): Don't clear token_buffer.
11662 (cpp_start_read): Don't worry about output from -D processing.
11663 Don't call cpp_output_tokens.
11664 (cpp_finish): Don't dump macros here. Don't call
11666 * cppmacro.c (_cpp_dump_definition): Rename
11667 cpp_dump_definition. Write directly to a FILE *.
11668 (dump_funlike_macro): Delete.
11669 (dump_macro_args): New.
11671 * cpplex.c (TOKEN_LEN): Convert to inline function.
11672 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
11673 cpp_scan_line, _cpp_dump_list): Delete.
11674 (cpp_printf, cpp_output_list): New.
11675 (output_line_command): Don't worry about entering or leaving files.
11676 (cpp_scan_buffer): Just output each token as we hit it.
11677 (process_directive): Don't call cpp_output_tokens.
11678 (_cpp_glue_header_name): Don't use token_buffer.
11679 (output_token, dump_param_spelling): Write directly to a FILE *.
11681 * cpplib.c (pass_thru_directive, dump_macro_name,
11682 pragma_dispatch, do_pragma_gcc): Delete.
11683 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
11684 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
11686 (do_error, do_warning, pragma_dependency): Call
11687 _cpp_begin_message, then cpp_output_list.
11688 (cpp_register_pragma, cpp_register_pragma_space,
11689 _cpp_init_internal_pragmas): New.
11690 (do_pragma): Walk the pragmas table here.
11691 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
11692 do_pragma_dependency): Return void.
11693 (do_pragma_implementation): Moved to cppmain.c.
11695 * cpplib.h: Update prototypes.
11696 (struct cpp_reader): Remove printer, token_buffer,
11697 token_buffer_size, and limit. Add struct cb, and pragmas.
11698 (struct cpp_printer): Remove last_id and written.
11699 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
11700 CPP_ADJUST_WRITTEN): Delete.
11701 * cpphash.h: Update prototypes.
11702 (ufputs): New wrapper.
11704 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
11705 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
11706 (main): Set up callbacks. Register #pragma implementation.
11707 Dump macros from here.
11709 2000-08-01 Geoff Keating <geoffk@cygnus.com>
11711 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
11712 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
11713 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
11714 insns if they have a REG_MAYBE_DEAD note attached.
11715 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
11716 (rs6000_emit_load_toc_table): TOC loads may go dead.
11718 2000-08-01 Jim Wilson <wilson@cygnus.com>
11720 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
11721 type exists before using it. Use number of words as alignment
11723 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
11724 ia64_va_arg): Propagate ia64_function_args changes here.
11726 2000-08-01 Richard Henderson <rth@cygnus.com>
11728 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
11729 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11731 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
11733 From Joern Rennecke:
11734 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
11735 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
11736 unless TARGET_SH3E is set.
11737 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
11739 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
11740 (ashlsi3_std): New pattern.
11741 (ashlsi3 expander): Use it for TARGET_SH3.
11742 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
11744 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11746 * loop.c (canonicalize_condition): Use destination, not source to
11747 determine SET's mode.
11749 2000-07-31 Mark Mitchell <mark@codesourcery.com>
11751 * flow.c (clear_log_links): Fix typo.
11753 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
11755 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
11756 on targets which need more than one insn for a compare/cbranch
11759 2000-07-31 Jim Wilson <wilson@cygnus.com>
11761 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
11762 when computing offset.
11764 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
11766 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
11768 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11770 * flow.c (clear_log_links): Nuke global_live_at_start and
11771 global_live_at_end data, since if the log_links stuff is invalid
11772 so is global_live_at_*.
11774 2000-07-31 Richard Henderson <rth@cygnus.com>
11776 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
11778 2000-07-31 Jakub Jelinek <jakub@redhat.com>
11780 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
11781 (_cpp_get_token): Don't macro expand a just pasted token if it
11782 was pasted at no_expand_level.
11784 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11786 * cppmacro.c (find_param, count_params, save_expansion):
11787 Permit 'defined' as a macro parameter name.
11789 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11791 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
11792 xcpp to cpp throughout.
11793 (native): Remove unnecessary dependency on cpp.
11795 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
11796 tradcpp to tradcpp0.
11797 (.i spec): Add missing output-file spec to cc1 command line.
11798 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
11800 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11802 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
11803 (implicit_decl_warning): New function.
11804 (implicitly_declare): Use it.
11805 * c-typeck.c (build_external_ref): Use implicit_decl_warning
11806 to complain about implicit decls of builtins.
11808 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
11809 based on pedantic && flag_isoc99, if not already set.
11810 * c-tree.h: Declare mesg_implicit_function_declaration.
11811 Prototype implicit_decl_warning.
11813 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
11815 * Makefile.in (ssa.o): Updated header files in dependences.
11816 * basic-block.h: Added compute_immediate_postdominators declaration.
11817 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
11819 * flow.c (compute_immediate_dominators): Updated comment.
11820 (compute_immediate_postdominators): Added definition.
11821 * rtl.h (HARD_REGISTER_P): Added definition.
11822 * ssa.c: Include additional header files.
11823 (assert): Added definition.
11824 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
11825 include select hard registers.
11826 (ssa_rename_to_insert): Likewise.
11827 (ssa_rename_from_initialize): Likewise.
11828 (ssa_rename_from_lookup): Likewise.
11829 (original_register): Likewise.
11830 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
11831 include select hard reigsters.
11832 (ssa_rename_from_traverse): Likewise.
11833 (ssa_rename_from_free): Likewise.
11834 (ssa_rename_from_print): Likewise.
11835 (ssa_rename_from_print_1): Likewise.
11836 (ssa_rename_from_hash_function): Likewise.
11837 (ssa_rename_from_equal): Likewise.
11838 (ssa_rename_from_delete): Likewise.
11839 (simplify_to_immediate_dominators): Removed in favor of
11840 flow.c:compute_immediate_dominators.
11841 (find_evaluations_1): Modified to work with hard registers.
11842 (insert_phi_node): Likewise.
11843 (insert_phi_nodes): Likewise.
11844 (struct rename_set_data): Updated prev_reg comment.
11845 (create_delayed_rename): Modified to work with hard registers.
11846 (RENAME_NO_RTX): Updated comment.
11847 (apply_delayed_renames): Modified to work with hard registers.
11848 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
11849 (rename_block): Updated to use revised ssa_rename_to interface.
11850 (rename_registers): Updated to use revised ssa_rename_to and
11851 ssa_rename_from interface.
11852 (convert_to_ssa): Revised to use compute_immediate_dominators and
11853 deal with hard registers.
11854 (make_regs_equivalent_over_bad_edges): Modified to work with hard
11855 registers. Added check for illegal unification of hard register.
11856 (make_equivalent_phi_alternatives_equivalent): Modified to work
11857 with hard registers.
11858 (compute_conservative_reg_partition): Likewise.
11859 (coalesce_if_unconflicting): Modified to work with hard registers
11860 and check for conflicting hard registers.
11861 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
11863 (rename_equivalent_regs_in_insn): Modified to work with hard
11865 (record_canonical_element_1): Added definition.
11866 (check_hard_regs_in_partition): Added definition.
11867 (convert_from_ssa): Added data structure deallocation and check
11868 for illegal hard register unification.
11869 (conflict_hard_regs_p): Added definition.
11870 * toplev.c (rest_of_compilation): Added comment.
11872 2000-07-31 Anthony Green <green@redhat.com>
11874 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
11876 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
11878 * builtins.c (expand_builtin_apply): Don't defer pop during
11881 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11883 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11884 preferred_unit_stack_boundary when it is > 1.
11886 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11888 * c-common.c (init_function_format_info): Add C99 format functions
11891 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11892 void' or 'register void' as being the special case of 'void' alone
11893 in a parameter list.
11895 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11896 discarding qualifiers into a plain warning.
11898 2000-07-31 Kazu Hirata <kazu@hxi.com>
11900 * combine.c: Fix formatting.
11902 * h8300.md: Fix formatting.
11904 * local-alloc.c: Fix formatting.
11906 * h8300.c (get_shift_alg): Remove the variable alg.
11907 (emit_a_shift): Rearrange code to improve readability.
11909 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11911 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11912 HImode on all architectures and a combination of HImode and SImode
11913 on H8/300H and H8/S.
11915 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11917 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11919 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11920 in my last checkin.
11922 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11924 * recog.c (extract_insn): Set operand_mode according to
11925 operand if match_operand is VOIDmode.
11927 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11929 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11931 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11933 * c-parse.in (extdefs): Call ggc_collect between external
11936 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11937 Richard Henderson <rth@cygnus.com>
11939 * Makefile.in (OBJS): Add doloop.o.
11940 * doloop.c: New file.
11942 * final.c (insn_current_reference_address): Return 0 before final.
11943 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11944 * jump.c (any_uncondjump_p): Likewise.
11945 * loop.c (indirect_jump_in_function): Make static.
11946 (strength_reduce): Call doloop_optimize.
11947 (insert_bct, instrument_loop_bct): Remove.
11948 * loop.h (doloop_optimize): Prototype.
11949 * recog.c (split_all_insns): Split all INSN_P.
11950 * toplev.c (flag_branch_on_count_reg): Default on.
11952 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11953 flag_branch_on_count_reg.
11954 * config/i386/i386.c (override_options): Likewise.
11955 * config/rs6000/rs6000.c (optimization_options): Likewise.
11957 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11959 (dbra_ge): Remove, as well as all it's splitters.
11961 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11964 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11965 (ia64_register_move_cost): Declare.
11966 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11967 (struct ia64_frame_info): Add ar_size.
11968 (ia64_compute_frame_size): Set it.
11969 (save_restore_insns): Save and restore ar.lc.
11970 (ia64_register_move_cost): New, moved from header file. Handle
11971 application registers.
11972 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11973 (emit_insn_group_barriers): Special case doloop_end_internal.
11974 (ia64_epilogue_uses): Mark ar.lc live at end.
11975 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11976 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11977 (FIRST_PSEUDO_REGISTER): Make room.
11978 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11979 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11980 (REG_ALLOC_ORDER): Update.
11981 (HARD_REGNO_MODE_OK): Update.
11982 (REGISTER_NAMES): Update.
11983 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11984 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11985 (REGNO_REG_CLASS): Update.
11986 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11987 (REGISTER_MOVE_COST): Move out of line.
11988 (PREDICATE_CODES): Update.
11989 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11990 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11991 (shladd_elim splitter): Allow constants in the predicate.
11992 (doloop_end, doloop_end_internal): New.
11994 2000-07-30 Richard Henderson <rth@cygnus.com>
11996 * genattrtab.c (struct insn_def): Add lineno member.
11997 (struct insn_ent): Likewise.
11998 (struct attr_desc): Likewise.
11999 (struct delay_desc): Likewise.
12000 (struct function_unit_op): Likewise.
12001 (struct function_unit): Likewise.
12002 (check_attr_value): Use message_with_line.
12003 (check_defs): Likewise.
12004 (expand_units): Likewise.
12005 (check_attr_test): Take a lineno argument.
12006 (gen_attr): Likewise.
12007 (gen_insn): Likewise.
12008 (gen_delay): Likewise.
12009 (gen_unit): Likewise.
12010 (main): Give it to them.
12011 (convert_set_attr_alternative): Take an insn_def argument
12012 instead of num_alt and insn_index.
12013 (convert_set_attr): Likewise.
12014 (write_test_expr): Protect INSN_ADDRESSES load
12015 with INSN_ADDRESSES_SET_P.
12017 2000-07-30 Richard Henderson <rth@cygnus.com>
12019 * flow.c (init_propagate_block_info): Use pc_set.
12021 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12023 * i386.md (*lea_general_[123]) New insns and splits.
12024 (addsi3 to lea splitter): Handle other modes too.
12025 (shlsi3 to lea splitter): Likewise.
12026 (addhi_1_lea, shlhi_1_lea): New patterns.
12027 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
12029 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12031 * recog.c (general_operand, nonimmediate_operand): Accept
12032 any mode for VOIDmode CONSTANT_P operands.
12034 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12036 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
12037 instead of replace_rtx.
12038 * recog.c (validate_replace_rtx_subexp): New function.
12039 * recog.h (validate_replace_rtx_subexp): Declare.
12041 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12043 * combine.c (simplify_set, make_extraction, make_compound_operation
12044 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
12045 as force_to_mode argument.
12047 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
12049 * combine.c (if_then_else_cond): Be sure that mode fits in
12052 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
12054 * combine.c (record_promoted_value): Allow bitsize of mode
12055 to be equivalent to HOST_BITS_PER_WISE_INT.
12057 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
12059 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
12060 Do not call gen_mode_alignment when mode is BLKmode.
12062 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
12064 * loop.c (express_from_1): Fix call of simplify_gen_binary.
12066 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
12068 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
12069 VOIDmode implies both operands to be VOIDmode.
12070 (simplify_ternary_operation): Compute properly the mode of comparison.
12071 * combine.c (combine_simplify_rtx): Likewise.
12073 2000-07-25 Michael Hayes <mph@paradise.net.nz>
12075 * basic-block.h (struct loops): New field rc_order.
12076 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
12077 (flow_loops_free): Free rc_order.
12078 (flow_depth_first_order_compute): New parameter rc_order.
12079 (flow_loops_find): Allocate rc_order and swap usage with
12082 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12083 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12085 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
12086 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
12087 (nodb_call, return_from_epilogue): Likewise.
12088 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
12089 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
12090 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
12091 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
12092 (c4x_valid_type_attribute_p): Likewise.
12093 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
12094 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
12096 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12098 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
12099 and loadhi_big_constant if applicable.
12100 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
12101 and add new splitter.s
12103 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12105 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
12107 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12109 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
12111 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12113 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
12115 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12117 * config/c4x/libgcc.S (divqf3): Improve accuracy.
12119 2000-07-27 Mark Mitchell <mark@codesourcery.com>
12121 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
12122 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
12123 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
12124 (get_prev_bb_note): Likewise.
12125 (remove_scope_notes): Likewise.
12126 * flow.c (commit_one_edge_insertion): Likewise.
12127 (merge_blocks_nomove): Likewise.
12128 (verify_flow_info): Likewise.
12129 * gcse.c (insert_insn_end_bb): Likewise.
12130 * reg-stack.c (emit_swap_insn): Likewise.
12131 * ssa.c (first_insn_after_basic_block_note): New function.
12132 (insert_phi_node): Use it.
12133 (rename_block): Likewise.
12134 (eliminate_phi): Likewise.
12135 (make_regs_equivalent_over_bad_edges): Likewise.
12136 (make_equivalent_phi_alternatives_equivalent): Likewise.
12137 (for_each_successor_phi): Likewise.
12138 (convert_from_ssa): Modify phi-node deletion algorithm.
12140 2000-07-29 Andreas Jaeger <aj@suse.de>
12142 * configure.in (mips*-*-linux*): Use mips*el to check for little
12143 endian MIPS, add tmake_file.
12145 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
12146 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
12147 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
12149 2000-07-28 Richard Henderson <rth@cygnus.com>
12151 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
12152 Sign extend mode size before negating.
12154 2000-07-28 Richard Henderson <rth@cygnus.com>
12156 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
12158 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
12160 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
12161 (cse_insn): Likewise.
12162 (addr_affects_sp_p): Likewise.
12163 * expr.c (move_by_pieces): Likewise.
12164 (clear_by_pieces): Likewise.
12165 * gcse.c (oprs_unchanged_p): Likewise.
12166 * haifa-sched.c (sched_analyze_2): Likewise.
12167 * recog.c (offsettable_address_p): Likewise.
12168 * regclass.c (record_address_regs): Likewise.
12169 * reload.c (find_reusable_reload): Likewise.
12170 (push_reload): Likewise.
12171 (operands_match_p): Likewise.
12172 (decompose): Likewise.
12173 (find_reloads_address_1): Likewise.
12174 (find_inc_amount): Likewise.
12175 * reload1.c (elimination_effects): Likewise.
12176 * resource.c (mark_set_resources): Likewise.
12177 * flow.c (attempt_auto_inc): New function; mostly broken out
12179 (find_auto_inc): Split into two functions and enhanced to
12180 generate POST_MODIFY.
12181 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
12182 * rtl.h (count_all_occurrences): Declare.
12183 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
12185 * rtlanal.c (count_all_occurrences): New function.
12186 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
12187 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
12189 * config/ia64/ia64-protos.h (destination_operand): Declare.
12190 * config/ia64/ia64.c (destination_operand): New function.
12191 (ia64_print_operand): Handle POST_MODIFY.
12192 (rtx_needs_barrier): Likewise.
12193 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
12194 (HAVE_POST_MODIFY_REG): Define to 1.
12195 (MAX_REGS_PER_ADDRESS): Change to 2.
12196 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
12197 (LEGITIMATE_ADDRESS_REG): New helper macro.
12198 (LEGITIMATE_ADDRESS_DISP): Likewise.
12199 (PREDICATE_CODES): Add entry for destination_operand.
12200 * config/ia64/ia64.md (all mov patterns): Use destination_operand
12201 predicate for operand 0.
12203 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12205 * dwarf2out.c: Indent #error directive.
12207 * gbl-ctors.h: Fix typo in comment.
12208 (__do_global_ctors): Prototype.
12210 * gcse.c (record_one_set, pre_delete): Remove unused variables.
12212 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
12213 (print_operand): Initialize variable `t'.
12215 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
12217 * config/arm/arm.md ("call_value"): removed constraints.
12218 Constraints are ignored in expanders.
12219 (*call_value_reg): split =rf into various constraints.
12220 (*call_value_mem): same
12221 (*call_value_symbol): same
12222 (*sibcall_value_insn): same
12224 2000-07-28 Philipp Thomas <pthomas@suse.de>
12226 * install.texi (--enable-nls): Change the description of the NLS
12227 related configure options to match the current state.
12228 (--with-included-gettext): Likewise.
12229 (--enable-maintainer-mode): New description added.
12230 * extend.texi (-fstrict-prototype): Add missing '.'.
12232 2000-07-27 Jim Wilson <wilson@cygnus.com>
12234 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
12235 DECL_INITIAL (decl) == NULL_TREE.
12237 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
12239 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
12240 on insn-attr.h with it.
12241 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
12242 * insn-addr.h: New header.
12243 (insn_addresses_): Renamed from insn_addresses.
12244 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
12245 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
12246 INSN_ADDRESSES_NEW): New macros.
12247 * genattrtab.c (write_test_expr): Use new macros.
12248 * final.c (insn_addresses, init_insn_lengths): Likewise.
12249 (align_fuzz, shorten_branches): Likewise.
12250 (final): Likewise. Do not reject new insns if their addresses
12251 have been added to INSN_ADDRESSES.
12252 * config/arm/arm.c, config/avr/avr.c: Use new macros.
12253 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
12254 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
12255 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
12256 * config/sh/sh.c: Likewise.
12257 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
12259 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
12261 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
12263 * gcc.c (struct prefix_list): Add member priority.
12264 (enum path_prefix_priority): Declare.
12265 (add_prefix): Replace ``first'' with ``priority''. Append new
12266 entry but keep list in priority order.
12267 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
12268 PREFIX_PRIORITY_LAST to add_prefix.
12269 (process_command): Move include kludge - foo/stageN - to before
12272 2000-07-27 Jason Merrill <jason@redhat.com>
12274 * dwarf2out.c (gen_typedef_die): Abort if we get identical
12275 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
12277 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
12279 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
12280 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
12282 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
12284 * c-decl.c (finish_function): Don't treat 'main' specially unless
12285 flag_hosted. In C99 mode, return 0 from 'main' unless
12286 DEFAULT_MAIN_RETURN is otherwise defined.
12288 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
12289 parameters defaulting to int in an old-style function definition.
12291 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12293 * c-parse.in (string): For -Wtraditional, warn about string
12294 concatenation only once per line.
12296 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
12298 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
12299 for HI-UX/WE2 systems.
12301 2000-07-24 Bruce Korb <bkorb@gnu.org>
12303 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
12304 defining the __xxx_TYPE__ macros.
12305 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
12306 * fixincl/fixlib.h: don't need to include "tm.h" anymore
12307 * fixincl/inclhack.def(type_map): now obsolete
12309 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
12311 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12313 2000-07-26 Dave Pitts <dpitts@cozx.com>
12315 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12317 (mvs_hash_alias): New function.
12318 (mvs_add_alias): Change argument spacing.
12319 (mvs_need_alias): Change aliasing criteria. Added documentation.
12320 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12321 CSECT name collisions.
12322 (mvs_check_alias): Likewise.
12323 (handle_pragma): Change documentation.
12324 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12325 mode from SImode to DImode.
12326 (iorhi3): Changed LTORG size for insn.
12328 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12330 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12331 mem if the address is a mode_dependent_address_p.
12333 2000-07-26 Kazu Hirata <kazu@hxi.com>
12335 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12336 suitable for 8-bit absolute.
12337 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12338 (OK_FOR_U): Add a case for the 8-bit constant address on the
12341 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12343 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12344 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12345 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12346 lack of implemented alignment.
12348 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12350 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12351 cross-compiling between 64-bit and 32-bit machines.
12353 2000-07-27 Richard Henderson <rth@cygnus.com>
12355 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12356 (movhicc_astep, movhi_internal_astep): New.
12357 (movsicc_astep, movsi_internal_astep): New.
12358 (movdicc_astep, movdi_internal_astep): New.
12359 (movsfcc_astep, movsf_internal_astep): New.
12360 (movdfcc_astep, movdf_internal_astep): New.
12361 (movxfcc_astep, movxf_internal_astep): New.
12362 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12363 Unify the cmov[ds]i splitters.
12365 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12367 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12369 2000-07-26 Nick Clifton <nickc@cygnus.com>
12371 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12372 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12374 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12375 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12377 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12379 * c-decl.c (finish_enum): Convert enumerations that fit in an
12381 (build_enumerator): In pedantic mode, cast to `int' those that
12384 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12386 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12388 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12390 * sh.md (cmpgtdi_t): Must be split.
12391 (cmpgtdi_t+1): New splitter.
12393 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12395 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12396 warnings for indented directives even if we are skipping.
12398 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12400 * invoke.texi (strict-prototypes): Remove.
12401 * extend.texi (Deprecated Features): Add strict-prototypes.
12402 (Backwards Compatibility): New node.
12404 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12406 * config/i386/i386.md (andsi_1+1): Allow HImode.
12407 (andsi_1+2): Require q_regs_operand.
12409 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12411 * config/i386/i386.md (call_pop): Check operands[0],
12412 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12414 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12415 (call_value): Likewise.
12417 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12419 * toplev.c (pipe_closed): Delete.
12420 (crash_signal): New. Generate ICE for a fatal signal.
12421 (float_signal): Call crash_signal outside a float-handler
12423 (main): Install crash_signal as handler for core-dumping signals.
12425 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12427 * rs6000.c (print_operand, case 'T'): New case.
12429 * rs6000.md (call_indirect_aix32): Convert to expander of
12430 scheduled instructions.
12431 (call_indirect_aix64): Likewise.
12432 (call_value_indirect_aix{32,64}): Likewise.
12433 (call, call_value): Invoke expanders for AIX. Fall through to
12435 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12436 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12437 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12438 only "g" constraint.
12439 (call_nonlocal_aix64): Likewise.
12440 (call_value_nonlocal_aix{32,64}): Likewise.
12441 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12443 (call_value_nonlocal_sysv): New pattern.
12444 (indirect_jump{si,di}): Use new 'T' modifier.
12445 (tablejump{si,di} matchers): Likewise.
12446 (return_internal_{si,di}): Likewise.
12447 (return_eh_{si,di}): Likewise.
12449 2000-07-24 Richard Henderson <rth@cygnus.com>
12451 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
12452 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
12453 * config/ia64/ia64.md (movdi_internal): Use it.
12455 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
12457 * cppexp.c: Warn about unary + if -Wtraditional.
12458 * cpplex.c (lex_line): Always set BOL on the first token of a line.
12460 2000-07-24 Michael Meissner <meissner@redhat.com>
12462 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
12465 2000-07-24 Nick Clifton <nickc@cygnus.com>
12467 * config/arm/arm.c (emit_multi_reg_push): Generate a
12468 REG_FRAME_RELEATED_NOTE that is compatable with the code in
12469 dwarf2out_debug_frame_expr.
12471 2000-07-24 Jason Merrill <jason@redhat.com>
12473 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
12474 UNALIGNED_INT_ASM_OP.
12475 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
12476 a location expression.
12477 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
12478 assume indirect access if we're saving the CFA address exactly.
12480 * Makefile.in (bootstrap): Move -BstageN/ to the end.
12482 2000-07-24 Jakub Jelinek <jakub@redhat.com>
12484 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
12487 2000-07-24 Michael Meissner <meissner@redhat.com>
12489 * invoke.texi (D30V Options): Add d30v options.
12491 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
12493 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
12494 needed by our gcse pass anymore.
12495 (free_pre_mem): Corresponding changes.
12496 (compute_pre_data): Do not call compute_transpout anymore.
12498 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
12499 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
12502 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
12503 (compute_pre_data): Do it here instead.
12505 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
12507 (pre_delete): Corresponding changes.
12509 2000-07-23 Mark Mitchell <mark@codesourcery.com>
12511 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
12512 to figure out whether or not a variable has already been emitted.
12514 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
12516 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
12517 instead of gen_call.
12519 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
12521 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
12523 2000-07-23 Kazu Hirata <kazu@hxi.com>
12525 * h8300.c: Fix formatting.
12527 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
12529 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
12530 for `long' switch expression into a plain warning.
12532 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
12533 (yylex): Don't pedwarn for "inline" in C99 mode.
12535 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
12537 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
12538 ggc_alloc): Likewise.
12539 * bb-reorder.c (dump_scope_forest_1): Likewise.
12541 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
12543 * reload.c (find_reloads_toplev): Add new parameter
12544 "address_reloaded".
12545 (find_reloads): Add new parameter to find_reloads_toplev calls.
12547 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
12549 * collect2.c (main): Typo fixed.
12550 * diagnostic.c: Typo fixed.
12551 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
12552 * eh-common.h: Typo fixed.
12553 * emit-rtl.c (start_sequence): Typo fixed.
12554 * flow.c (find_label_refs): Typo fixed.
12555 (calculate_global_regs_live): Typo fixed.
12556 (mark_regno_cond_dead): Typo fixed.
12557 (create_edge_list): Typos fixed.
12558 (verify_edge_list): Typo fixed.
12559 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
12560 * loop.c (strength_reduce): Typo in function name fixed.
12561 * rtl.h: Added comments. Typo in function name fixed.
12562 * rtlanal.c: Typo in function name fixed.
12563 (insn_dependant_p): Rename to ...
12564 (insn_dependent_p): ... this.
12565 (computed_jumo_p): Typo fixed.
12567 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12569 * system.h (__FUNCTION__): Wrap definition in #ifndef.
12571 2000-07-21 David Edelsohn <edelsohn@gnu.org>
12573 * rs6000.h (SIZE_TYPE): Define.
12575 2000-07-21 Mark Mitchell <mark@codesourcery.com>
12577 * ssa.c (rename_insn_1): Don't rename registers that are
12580 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
12582 * diagnostic.c (trim_filename, fancy_abort): Moved here from
12584 (fatal_function, set_fatal_function): Removed.
12585 (fatal): Don't prepare for or call the fatal_function.
12586 (diagnostic_lock, error_recursion): New.
12587 (diagnostic_for_decl, report_diagnostic): Guard against
12588 re-entering the error reporting routines.
12589 (fancy_abort): Assume function is not NULL.
12591 * errors.c (fancy_abort): New. Assume function is not NULL.
12592 * tradcpp.c (fancy_abort): Assume function is not NULL.
12594 * system.h: Provide default definition of __FUNCTION__.
12595 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
12596 Always use __FUNCTION__ in definition of abort.
12597 * tree.h: Likewise.
12598 * varray.h: Likewise.
12599 * toplev.h: Likewise. Don't prototype set_fatal_function.
12601 2000-07-20 Geoff Keating <geoffk@cygnus.com>
12603 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
12605 * glimits.h: Don't do #if defined for ARCH_PPC.
12607 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
12608 constants of size no larger than a pointer should go in the TOC.
12609 Add 'MODE' parameter.
12610 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
12611 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12612 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
12613 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
12614 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
12615 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
12616 (rs6000_legitimize_address): Likewise.
12617 (rs6000_emit_move): Likewise.
12618 (rs6000_select_rtx_section): Likewise.
12619 (output_toc): Deal properly with outputting small constants like
12620 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
12621 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
12622 MODE parameter. Put small constants in the TOC.
12624 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
12626 (rs6000_emit_move): When reload calls us with an illegitimate
12627 address, exit early. Move the change_address calls to one place
12628 at the end of the routine. Merge the SImode and DImode expanders.
12629 When called by reload to put an integer into a FP register, force
12632 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
12634 (rs6000_hash_constant): Hash mode too.
12635 (toc_hash_function): Allow for key_mode.
12636 (toc_hash_eq): Structures are different if key_mode differs.
12637 (output_toc): Add 'mode' parameter. Save key_mode.
12638 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
12639 Pass 'mode' parameter.
12640 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
12642 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
12643 for vtable references.
12645 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
12646 choice, don't put integer values in FP regs.
12648 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
12650 * flow.c (verify_flow_info): Revamp code to verify that the
12651 head and end of each basic block are in the insn chain.
12653 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
12655 * gcse.c (record_one_set): Prepend instead of append onto
12656 reg_set_table, making it O(n) instead O(n^2).
12657 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
12658 Use a queue instead of a stack as worklist.
12660 2000-07-20 Kazu Hirata <kazu@hxi.com>
12662 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
12663 * h8300.h (OK_FOR_T): New.
12664 (EXTRA_CONSTRAINT): Support OK_FOR_T.
12665 * h8300.md: Use inc/dec.[wl] for increment/decrement
12666 by 1 and 2 in HI and SI modes.
12668 2000-07-20 Jim Wilson <wilson@cygnus.com>
12670 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
12671 larger than 14 bits.
12673 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
12675 * cppmacro.c (CAN_PASTE_AFTER): New macro.
12676 (count_params): Don't set GNU_REST_ARGS on anything.
12677 (save_expansion): Set PASTE_LEFT only on tokens for which
12678 CAN_PASTE_AFTER is true, or which are named operators.
12680 * cpplex.c (parse_args): Distinguish between a rest argument
12681 given one empty argument, and a rest argument given zero arguments.
12682 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
12683 deletion of previous token based on that.
12684 (get_raw_token): Flatten some control structure.
12686 * cpplib.h (CPP_LAST_EQ): Correct.
12687 (VOID_REST): New token flag.
12688 (GNU_REST_ARGS): Delete.
12690 * tradcpp.c (main): Don't munge -D options.
12691 (make_definition): Bring -D handling in line with cpplib.
12692 (do_define): Strip all leading whitespace from macro definitions.
12694 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
12696 * Makefile.in (tradcpp): Depend on intl.o and version.o.
12698 2000-07-20 Bruce Korb <bkorb@gnu.org>
12700 * fixincl/check.tpl: strip the platform specific types before testing
12701 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
12702 * fixincl/fixincl.tpl: use platform specific types
12703 * fixincl/fixlib.h: include the platform specific types
12704 * fixincl/inclhack.def(gnu_types): don't supply the types
12705 * fixincl/fixincl.x: regen
12707 2000-07-19 Jim Wilson <wilson@cygnus.com>
12709 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
12712 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12714 * tradcpp.c (rescan): Do not recognize directives when the #
12717 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12719 Implement C++ named operators.
12721 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
12722 of operators allowed in #if and having an _EQ variant. Add
12723 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
12724 (cpp_token flags): Add NAMED_OP.
12725 (enum node_type): Add T_OPERATOR.
12726 (struct cpp_hashnode): Add code slot to value union.
12727 * cpphash.h (spec_nodes): Remove n_defined.
12729 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
12730 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
12731 (is_macro_disabled): Tweak error messages.
12733 * cpplib.c (get_define_node): Disallow all named operators as
12734 macro names. Tweak error messages.
12735 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
12737 * cppinit.c (builtin_array): Add entries for the named operators.
12738 * cppexp.c (lex): Check for CPP_DEFINED token.
12739 (priority table): Add entries for CPP_MIN and CPP_MAX.
12740 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
12742 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
12744 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
12745 larger than the array of cuids.
12746 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
12749 2000-07-19 Bruce Korb <bkorb@gnu.org>
12751 * fixinc/fixincl.c: Convert to using a table of environment variables
12752 and activate the auto-edit marker on the fixed output files.
12753 * fixinc/fixlib.h: Define the environment table
12754 * fixinc/fixincl.sh: export the ${INPUT} dir
12755 * fixinc/check.tpl: likewise
12757 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12759 * gcc.c (.h spec): Fix typo.
12761 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
12763 * Makefile.in: Fix tradcif.c path.
12765 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12767 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
12770 * cpphash.h (TOKEN_NAME): New macro.
12771 (_cpp_spell_operator): Deleted.
12772 (token_spellings): Now _cpp_token_spellings.
12774 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
12775 * cpplex.c: Use OP and TK macros when expanding the
12776 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
12777 store the stringification of the enumeration name (CPP_CHAR,
12778 etc.) in the name slot of token_spellings.
12779 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
12780 token_spellings directly.
12781 * cpplib.c: Use TOKEN_SPELL.
12783 * cpplex.c (_cpp_push_token): If the token being pushed back
12784 is the previous token in this context, just subtract one from
12786 * cppmacro.c (save_expansion): Clear aux field when storing a
12789 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12791 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
12792 buffer, provided it is not NULL.
12794 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
12796 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
12797 case of invalid volatile re-declaration.
12799 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12801 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
12802 (expand_call): Adjust caller.
12804 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
12806 * diagnostic.h (report_diagnostic): Change prototype.
12808 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
12809 diagnostic_for_decl): Change prototype.
12810 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
12811 error, warning, error_with_file_and_line,
12812 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
12813 Adjust call to report_diagnostic, diagnostic_for_decl.
12814 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
12815 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
12817 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
12818 varaible argument list.
12820 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12822 * cpphash.c: Don't include hashtab.h. Most macro-handling code
12823 moved to cppmacro.c.
12824 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
12825 dump_hash_helper): Delete.
12826 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
12827 cpp_forall_identifiers): New. Implement specialized version of
12828 Vlad's expandable hash table.
12829 (cpp_lookup): Use new functions.
12830 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
12832 * cppmacro.c: New file.
12833 * cppinit.c (dump_macros_helper): New.
12834 (cpp_finish): Iterate over the identifier table directly.
12835 * cpplex.c (parse_name): Calculate the hash of the identifier
12836 while we scan it. Use _cpp_lookup_with_hash when we can.
12838 * cpphash.h: Update prototypes.
12839 (xcnewvec, HASHSTEP): New helper macros.
12840 * cpplib.h: Update prototypes.
12841 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
12842 (cppmacro.o): New rule.
12843 (cpphash.o): Update deps.
12845 * cppmain.c: Do not set pfile->printer if no_output is on.
12847 2000-07-15 Neil Booth <neilb@earthling.net>
12849 * cpplib.c: Change all directive-handler functions to return
12851 * cpphash.h: Update typedefs.
12853 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12855 * configure: Regenerate.
12857 * extend.texi (Extended Asm): Mention that a memory clobber
12858 does not count as a side-effect.
12860 * unroll.c (copy_loop_body): Fix one instance of using host
12861 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
12864 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
12866 2000-07-17 Richard Henderson <rth@cygnus.com>
12868 * config/ia64/ia64.md (movdi): Split out load address code.
12869 New post-reload splitter for symbolic operands.
12870 (movdi_internal): Abort if we didn't split symbolic operands
12871 when we should have.
12872 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
12873 (ia64_reorg): Split insns when not optimizing.
12874 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
12876 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12878 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
12879 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
12881 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12883 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12885 2000-07-17 Jason Merrill <jason@redhat.com>
12887 * Makefile.in (clean): Remove libgcc directory.
12889 * configure.in (-Wno-long-long check): Use higher-level macros.
12891 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12893 * simplify-rtx.c (simplify_binary_operation): Recognize
12894 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12895 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12896 a CONST_INT, it will always be zero.
12898 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12900 * loop.c (check_dbra_loop) : Return if more than one condition is
12901 present to control the loop.
12903 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12905 * mips.c (mips_expand_prologue): Don't calculate the last argument
12906 register unless we need it. When we are calculating this, make
12907 sure FUNCTION_ARG is giving us a REG.
12909 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12911 * flow.c (libcall_dead_p): Use single_set to verify the insn
12912 has only one set and get for analysis.
12913 (propagate_one_insn): Don't pass the PATTERN of the insn.
12915 2000-07-17 Mark Klein <mklein@dis.com>
12917 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12919 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12921 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12922 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12923 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12924 of second argument of getgroups.
12925 * configure, config.in: Rebuilt.
12927 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12929 * simplify-rtx.c (simplify_relational_operation): Two signed
12930 values with equal high words are less/greater than each other if
12931 their low words are less/greater when considered as unsigned.
12933 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12935 * configure.in (vax-*-openbsd): Change to new style configuration,
12936 add collect2/float_format information.
12937 * configure: Rebuilt.
12938 * config/vax/openbsd1.h: New.
12939 * config/vax/openbsd.h: New.
12940 * config/vax/t-openbsd: New.
12942 2000-07-17 Chip Salzenberg <chip@valinux.com>
12944 * c-common.c (shorten_compare): Quiet warnings about unsigned
12945 comparisons with zero when they occur in a system header.
12947 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12949 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12950 update to describe current practice.
12952 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12954 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12955 references to C9X. Change references to -fstd and -flang-isoc9x
12958 * c-common.c (scan_char_table): Allow "z" length modifiers on
12960 (check_format_info): Use TYPE_DOMAIN on the type matched against
12961 for "z" formats, to retrieve the language size_t rather than the
12964 * c-common.c (check_format_info): Do not make a pedantic objection
12965 to the 'L' length modifier if used with a floating point type
12968 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12969 constants in C99 mode.
12971 2000-07-17 Kazu Hirata <kazu@hxi.com>
12973 * h8300.md: Fix the format of mac.
12974 (movsi_h8300hs): Output a tab after stmac instead of a space.
12976 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12977 profitable adds/subs sequences.
12979 * fold-const.c: Fix comment typos.
12981 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12983 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12985 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12987 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12989 2000-07-16 Neil Booth <NeilB@earthling.net>
12991 * cpplex.c: Update comments.
12992 * README.Portability: Small update.
12994 2000-07-16 Neil Booth <NeilB@earthling.net>
12996 * README.Portability: Small update.
12998 2000-07-15 Richard Henderson <rth@cygnus.com>
13000 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
13001 * config/ia64/ia64.c (ia64_move_ok): New function.
13002 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
13003 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
13005 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
13007 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
13008 immediately following a paste operator.
13009 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
13010 (cpp_reader_init): Call it, if HOST_EBCDIC.
13011 (cpp_handle_options): Do not sort option list here.
13012 (handle_option): Rename to cpp_handle_option and export.
13013 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
13014 _cpp_get_token directly.
13015 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
13016 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
13017 * cpplib.h: Prototype cpp_handle_option. Update prototype of
13020 2000-07-15 Richard Henderson <rth@cygnus.com>
13022 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
13023 cast around an expression. Tidy other unsigned tests.
13025 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
13027 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
13028 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
13029 (v_message_with_decl): Rename to ...
13030 (format_with_decl): ... this. Tweak
13031 (diagnostic_for_decl): New function.
13032 (fatal_io_error): Use verbatim in lieu of notice.
13033 (announce_function): Use verbatim.
13034 (default_print_error_function): Likewise.
13035 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
13038 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13040 * mips.c (function_arg_pass_by_reference): Don't do automatic
13041 aggregate initialization.
13042 (machine_dependent_reorg): Initialize variable `mode'.
13044 * mips.md (absdi2): Change variable `regno1' to unsigned int.
13045 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
13046 conflicts with sys/param.h macro of the same name.
13047 (reload_outdi): Likewise.
13049 2000-07-15 Michael Meissner <meissner@redhat.com>
13051 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
13052 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
13053 create a new node instead.
13055 2000-07-15 Neil Booth <NeilB@earthling.net>
13057 * README.Portability: Correct example about calling a function
13058 through a pointer to function. Format wide paragraphs.
13060 2000-07-15 Michael Meissner <meissner@redhat.com>
13062 * README.Portability: Update integer suffixes and function
13063 prototype sections.
13065 2000-07-15 Neil Booth <NeilB@earthling.net>
13067 * README.Portability: Small update.
13069 2000-07-15 Neil Booth <NeilB@earthling.net>
13071 * README.Portability: New file.
13073 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
13075 * INSTALL: Give special instructions for building GCC on Irix 6.
13076 * config/mips/x-iris6 (CC): Don't set it.
13079 2000-07-14 Jason Merrill <jason@redhat.com>
13081 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
13082 register in the stack and later in another register, use the new
13085 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
13087 * config/mips/mips.md: (absdi2): Handle sign_extend for
13090 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
13092 * cpplib.c (do_pragma_dependency): Tidy warning messages.
13094 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
13096 * .cvsignore: Correct typo.
13098 2000-07-13 Mark Mitchell <mark@codesourcery.com>
13100 * .cvsignore: Add generated YACC files.
13101 * objc/.cvsignore: New file.
13103 2000-07-14 Neil Booth <NeilB@earthling.net>
13105 * cpplex.c (adjust_column): New funcion.
13106 (skip_whitespace): Use it.
13107 (skip_block_comment): Use it, and warn about /*/* with
13110 2000-07-14 Neil Booth <NeilB@earthling.net>
13112 * cpphash.c (struct macro_info): Add new members.
13113 (_cpp_free_definition): Delete the macro directly.
13114 (count_params): Return void, with first token of
13115 expansion in struct macro_info on success.
13116 (parse_define): Return int. Hoist syntax checking from
13117 save_macro_expansion. Leave call to save_expansion to
13118 _cpp_create_definition.
13119 (alloc_macro): Needs just 2 arguments.
13120 (free_macro): Delete.
13121 (save_expansion): Don't perform syntax check.
13122 (_cpp_create_definition): Call save_expansion.
13124 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13126 * genrecog.c (write_header): Split long string.
13128 * cpphash.c (macro_info): Don't use the `signed' keyword.
13130 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
13132 2000-07-13 Jakub Jelinek <jakub@redhat.com>
13134 * calls.c (stored_args_map): New variable.
13135 (check_sibcall_argument_overlap_1): New.
13136 (check_sibcall_argument_overlap): New.
13137 (expand_call): Initialize stored_args_map.
13138 Call check_sibcall_argument_overlap.
13140 2000-07-13 Bruce Korb <bkorb@gnu.org>
13142 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
13143 (emit_gnu_type): utility procedure for gnu_type_fix
13144 (gnu_type_fix): implement various pre-processor guards around
13145 standard types so these types can be defined over and over
13146 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
13147 types alluded to above will have GNU-compliant base types
13148 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
13149 * fixinc/inclhack.def: add test_text entries and utilize the new
13150 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
13151 * fixinc/fixincl.x: regenerate
13153 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
13155 * diagnostic.c (vline_wrapper_message_with_location,
13156 v_message_with_file_and_line, v_error_with_file_and_file,
13157 v_error_for_asm, v_warning_for_asm, vfatal,
13158 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
13159 vsorry, verror, vwarning, vpedwarn): Remove.
13160 (diagnostic_for_asm): New function.
13161 (pedwarn, error, warning, pedwarn_with_file_and_line,
13162 error_with_file_and_line, warning_with_file_and_line, sorry,
13163 error_for_asm, warning_for_asm, fatal): Reimplement.
13164 (finish_diagnostic): Clear diagnostic info as well.
13166 2000-07-13 Neil Booth <NeilB@earthling.net>
13168 * c-common.h (flag_digraphs): New.
13169 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
13170 * c-lex.c (yylex): Use flag_digraphs to decide whether to
13173 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
13175 * gcc.c (do_spec_1): Add new %B operator.
13176 (set_input): Prepare for %B.
13178 (link_command_spec): Move up with the other tm.h-
13179 overrideable specs. Factor out the portion conditional on
13180 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
13181 (struct compiler): Just have a single spec string. All users
13183 (default_compilers): Remove unnecessary braces.
13184 (static_specs): Update.
13186 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
13188 (C and assembly specs): Use the new named specs, as appropriate.
13190 * objc/lang-specs.h: Use the new named specs.
13191 Remove unnecessary braces.
13193 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13195 * gcc.c (execute): If a subprocess gets a fatal signal, report
13196 strsignal() of the signal number, and ask for a bug report.
13197 Do not do this for SIGPIPE if there's already been an error.
13199 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
13200 Delete pipe_closed.
13202 * tradcif.c: Remove.
13204 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13206 * final.c (profile_function): Do not emit profile counters in
13207 the data section, if NO_PROFILE_COUNTERS is defined.
13208 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
13211 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
13212 (FUNCTION_PROFILER): Just emit a call to mcount.
13214 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13216 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
13218 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
13219 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
13220 traditional, lang_chill, or lang_fortran.
13222 * cppfiles.c: #undef strcmp to suppress warning about macros
13223 used without arguments.
13224 (_cpp_execute_include): Use f, not fname, in "No include path"
13226 (_cpp_pop_file_buffer): New function.
13227 * cpplib.c: Don't include <sys/mman.h>.
13228 (cpp_push_buffer): Set line_base and lineno in new buffer.
13229 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
13231 * cpplex.c: Move all prototypes and structure declarations to the
13232 top of the file. Properly parenthesise some macro arguments.
13233 (cpp_scan_line): New function.
13234 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
13235 don't need to walk up the stack counting.
13237 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13239 * c-common.c (combine_strings): Emit a pedantic warning when a
13240 string length is greater than the minimum ANSI C is required
13243 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
13245 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
13246 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
13248 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13250 * c-decl.c (define_label): Warn about identifier conflicts with
13251 labels in traditional C.
13253 * c-parse.in (unop +): Warn about the unary plus operator for
13256 * c-typeck.c (store_init_value): Warn about automatic aggregate
13257 initialization for traditional C.
13259 * invoke.texi (-Wtraditional): Document new warnings.
13261 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13263 * Makefile.in (c-errors.o): Fix thinko in dependency.
13265 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13267 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
13268 -traditional, -ftraditional, or -traditional-cpp was given.
13269 Do not pass -traditional to the preprocessor.
13270 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
13271 preprocessor does it automatically.
13272 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
13274 * ch/lang-specs.h: Always use tradcpp. Do not pass
13275 -traditional, -trigraphs, or -pedantic to the preprocessor.
13276 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
13279 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13281 * cppexp.c (LOGICAL): Delete macro.
13282 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
13285 * cpphash.c (HASHSIZE): Increase to 4096.
13286 (struct hashdummy): Add hash field.
13287 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
13288 the string values using memcmp.
13289 (cpp_lookup): Set dummy.hash.
13291 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
13293 * configure.in (m88k-openbsd): Express configuration using new fragment
13295 * configure: Rebuilt.
13296 * m88k/aout-dbx.h: New.
13297 * m88k/openbsd.h: New.
13298 * m88k/xm-openbsd.h: New.
13300 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13302 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
13304 2000-07-12 Richard Henderson <rth@cygnus.com>
13306 * reload.c (push_secondary_reload): Make sure to add the new
13307 reload at the end, after acquiring secondary memory.
13309 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13311 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13313 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13314 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13316 * c-parse.in (stmt): Delete unused variables.
13318 * convert.c (convert_to_vector): Likewise.
13320 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13322 * tree.c (finish_vector_type): Prototype.
13324 2000-07-12 Bruce Korb <bkorb@gnu.org>
13326 * fixinc/fixfixes.c: use xmalloc
13327 * fixinc/fixincl.c(initialize): set program name for xmalloc
13328 * fixinc/fixlib.c(must_malloc): obsolete
13329 (is_cxx_header): no longer used - disabled
13330 (skip_quote): inserted and disabled for future use
13331 * fixinc/fixlib.h: reflects above
13332 * fixinc/fixtests.c: removed dinkleberries
13334 2000-07-12 Neil Booth <NeilB@earthling.net>
13336 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13337 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13339 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13340 struct toklist_dummy): New.
13341 (cpp_free_definition): Free macros with free_macro.
13342 (count_params): Don't save paramter spellings. Save macro
13343 information in a struct macro_info.
13344 (parse_define): Don't allocate a token list.
13345 (save_expansion): Allocate the macro's token list, and
13346 save parameter spellings if necessary. Use TOKEN_SPELL.
13347 (cpp_create_definition): Make list const.
13349 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13351 * c-typeck.c (pedwarn_c99): Move to
13352 * c-errors.c: ... Here.
13353 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13354 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13355 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13356 (c-errors.o): List dependency.
13358 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13360 * c-parse.c: Remove.
13361 * c-parse.h: Likewise.
13362 * c-parse.y: Likewise.
13363 * objc/objc-parse.c: Likewise.
13364 * objc/objc-pasre.y: Likewise.
13366 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13368 * gcc.texi: Fix minor typos
13369 * extend.texi: Fix minor typos
13371 2000-07-11 Marc Espie <espie@openbsd.org>
13373 * collect2.c (main): Recognize .lo as object files.
13375 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13377 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13380 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13381 with MAP_ANONYMOUS and MAP_ANON.
13382 * configure, config.in: Rebuilt.
13384 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13386 * diagnostic.c (save_output_state): Remove.
13387 (restore_output_state): Likewise.
13388 (clear_text_info): New function.
13389 (clear_diagnostic_info): Likewise.
13390 (output_text_length, is_starting_newline, output_prefix,
13391 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13392 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13393 (set_real_maximum_length, output_set_maximum_length,
13394 output_set_prefix, output_get_prefix, output_set_maximum_length,
13395 output_destroy_prefix, init_output_buffer,
13396 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13397 output_add_newline, output_add_character, output_add_space,
13398 output_append_r, output_append, wrap_text, output_format,
13399 output_do_printf, output_printf, output_do_verbatim,
13400 output_verbatim, verbatim): Use them.
13401 (output_clear): Split into cleat_text_info and
13402 clear_diagnostic_info.
13403 (struct output_state): Move to...
13405 * diagnostic.h: ...Here
13406 (struct output_buffer): Adjust.
13408 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13410 * cpplex.c (parse_name): No longer inline (premature optimization).
13411 (do_pop_context): Fold into pop_context.
13412 (pop_context): Returns int.
13413 (lex_next): Hoist test for end of directive into pop_context.
13414 (push_macro_context): Returns int; takes just reader and token.
13415 Hoist test for excessive nesting to caller.
13416 (push_arg_context): Returns void; takes just reader and token.
13417 Do not call stringify_arg or get_raw_token.
13418 (get_raw_token): Convert tail recursion through push_arg_context
13419 to a loop at this level. Call stringify_arg here if appropriate.
13420 (maybe_paste_with_next): Convert tail recursion to a while loop.
13421 Hoist test of paste_level to caller.
13423 (stringify_arg): Push arg context at beginning.
13424 (cpp_get_token): Split out core into _cpp_get_token. Call
13425 process_directive here. Throw away CPP_PLACEMARKER tokens.
13426 (_cpp_get_token): Convert tail recursion through
13427 push_macro_context to a loop at this level.
13428 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13429 _cpp_get_raw_token): Use _cpp_get_token.
13430 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13431 not call pop_context.
13432 (_cpp_run_directive): Call lex_next directly.
13434 * cpphash.h: Prototype _cpp_get_token.
13435 * cppexp.c (lex): Use it.
13436 * cpphash.c (parse_define): Use it.
13437 * cpplib.c (get_define_node, do_undef, parse_include,
13438 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13439 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13440 parse_ifdef, validate_else): Use it.
13441 (cpp_push_buffer): Tweak error message; abort if anyone tries
13442 to push a buffer while macro expansions are stacked.
13444 2000-07-11 Donn Terry <donnte@microsoft.com>
13446 * cpplex.c (free_macro_args, save_token): Cast arg of free
13447 and/or xrealloc to PTR.
13448 (_cpp_init_input_buffer): Clear all fields of the base context.
13450 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
13452 * gensupport.c (process_rtx): Make rtl checking stop
13453 complaining about the define_insn while it is being
13454 converted from a define_insn_and_split.
13456 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
13458 * config/mips/mips.c (simple_memory_operand): Access the
13459 INTVAL of the address, not it's containing MEM.
13461 2000-07-11 Bruce Korb <bkorb@gnu.org>
13463 * fixinc/fixtests.c(double_slash): obsolete
13464 (else_endif_label): likewise
13465 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
13466 (libc1_ifdefd_memx): correct initial comment
13467 and omit the #if/#endif pair from the memxxx declarations
13468 * fixinc/fixincl.x: regen
13470 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13472 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
13474 2000-07-11 Neil Booth <NeilB@earthling.net>
13476 * cpp.texi: Update.
13478 2000-07-11 Neil Booth <NeilB@earthling.net>
13480 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
13481 (handle_option): Set digraphs according to standard.
13482 Merge OPT_lang_c89 handler with OPT_std_c89.
13484 * cpplex.c: (lex_line, can_paste): Honour digraphs in
13485 accordance with the digraphs flag.
13487 * cpplib.h: (struct cpp_options): New option digraphs.
13489 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
13490 Bruce Korb <bkorb@gnu.org>
13492 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
13493 * fixinc/fixincl.x: Regenerate.
13494 * fixinc/tests/base/testing.h: Add testcase.
13496 2000-07-10 Richard Henderson <rth@cygnus.com>
13498 * config/ia64/ia64.c (got_symbolic_operand): New.
13499 (symbolic_operand, move_operand): Revert 0701 change.
13500 * config/ia64/ia64.h (PREDICATE_CODES): Update.
13501 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
13502 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
13503 split the offset into a 14-bit low part instead of a 13-bit low part.
13504 (load_fptr): Mark the mem as unchanging.
13505 (load_symptr): Use got_symbolic_operand.
13507 2000-07-10 Nick Clifton <nickc@cygnus.com>
13509 * libgcc2.c (next_stack_level): Cast result of computation to
13510 (void **) so that the assignment does not generate a warning.
13512 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
13514 * flags.h : Add new variable flag_single_precision_constant.
13515 * toplev.c (display_help) : Add -fsingle-precision-constant option.
13516 (flag_single_precision_constant): New.
13517 * c-lex.c (yylex): Convert floating point constant to single
13518 precision constant.
13519 * invoke.texi : Add documentation for this new option.
13521 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13523 * diagnostic.c (output_octal): Second parameter is unsigned.
13524 (output_long_octal): Likewise.
13525 (output_hexadecimal): Likewise.
13526 (output_long_hexadecimal): Likewise.
13527 (output_format): Adjust arguments extraction. Tweak.
13528 (output_verbatim, verbatim): End variable argument list.
13529 (report_diagnostic): Improve documentation.
13531 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
13533 * c-common.h (build_stmt): Declare.
13534 (build_continue_stmt): Likewise.
13535 (build_break_stmt): Likewise.
13536 (build_return_stmt): Likewise.
13538 * c-decl.c (do_case): Rewrite to do what previously done in
13541 * c-semantics.c (build_stmt): Define.
13542 (build_return_stmt): Likewise.
13543 (build_break_stmt): Likewise.
13544 (build_continue_stmt): Likewise.
13545 (build_case_label): Likewise.
13547 * c-parse.in (BREAK): Change to build tree, then generate RTL.
13548 (CONTINUE): Likewise.
13549 (RETURN): Likewise.
13551 (DEFAULT): Likewise.
13553 * c-parse.y: Regenerate.
13554 * c-pasre.c: Likewise.
13556 2000-07-09 Jason Merrill <jason@redhat.com>
13558 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
13560 * tree.h (STRIP_NOPS): Check for error_mark_node.
13561 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
13562 (dwarf2out_*): Remove duplicate declarations.
13564 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
13565 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
13567 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13569 * diagnostic.c (wrap_text): New function.
13570 (maybe_wrap_text): Likewise.
13571 (output_add_string): Use it.
13572 (output_format): Likewise.
13573 (count_error): Use verbatim instead of notice.
13574 (report_error_function): Likewise. Don't use plain fprintf.
13575 (finish_diagnostic): New function.
13576 (output_do_verbatim): Tweak. Commonalize functionalities in
13577 output_verbatim and verbatim.
13578 (output_verbatim): Adjust.
13579 (verbatim): Likewise.
13580 (report_diagnostic): Define.
13582 * diagnostic.h (report_diagnostic): Prototype.
13584 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
13586 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
13588 2000-07-09 Neil Booth <NeilB@earthling.net>
13590 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
13591 IShspace, ISspace: Update.
13593 * cppinit.c: ISTABLE: Update.
13596 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
13597 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
13598 (skip_block_comment, skip_line_comment, parse_string,
13599 lex_line): Use is_vspace rather than IS_NEWLINE.
13600 (skip_whitespace, lex_line): Clean up to use is_nvspace.
13601 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
13603 (lex_next): Unconditionally stop if within a directive.
13604 Treat directives within macro invocations as directives
13605 (after parse_args emits error), not as the argument.
13607 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
13609 * diagnostic.c (diagnostic_args): New macro.
13610 (diagnostic_msg): Likewise.
13611 (output_formatted_integer): Likewise.
13612 (output_state): New data type.
13613 (digit_buffer): Make global.
13614 (output_add_integer): Rename to output_decimal. Squeeze
13616 (output_long_decimal, output_unsigned_decimal,
13617 output_long_unsigned_decimal, output_octal, output_long_octal,
13618 output_hexadecimal, output_long_hexadecimal): New functions.
13619 (output_append_r): New function.
13620 (output_append): Tweak.
13621 (output_flush_on): Rename to output_to_stream.
13622 (output_format): Change prototype. Improve documentation. Handle
13623 more format specifiers.
13624 (build_location_prefix): Rename to context_as_prefix.
13625 (output_notice): Rename to output_do_printf.
13626 (output_printf): Tweak.
13627 (line_wrapper_printf): Likewise.
13628 (vline_wrapper_message_with_location): Adjust call to renamed
13630 (v_message_with_decl): Likewise.
13631 (default_print_error_function): Likewise.
13632 (save_output_state): New function.
13633 (restore_output_state): Likewise.
13634 (output_do_verbatim): Likewise.
13635 (output_verbatim): Define.
13636 (verbatim): Likewise.
13638 * diagnostic.h (printer_fn): Change return type from void to int.
13639 Improve documentation.
13640 (output_add_integer): Rename to output_decimal.
13641 (output_flush_on, output_format): Don't export.
13642 (output_verbatim, verbatim): Declare.
13644 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
13646 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
13647 Check whether c divides op1 exactly if operation is not
13650 2000-07-08 Richard Henderson <rth@cygnus.com>
13652 * final.c (final): Do not abort when reg-stack introduces
13655 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
13657 * cpplib.h (struct cpp_name): Now struct cpp_string.
13658 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
13659 CPP_HEADER_NAME): Change to type S.
13660 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
13661 field, a cpp_hashnode *. All references to val.name updated
13662 to use val.str or val.node as appropriate.
13663 (struct cpp_reader): Add spec_nodes field.
13664 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
13666 * cpphash.h (struct spec_nodes): New.
13667 (enum spell_type): Reorder. Only SPELL_STRING tokens use
13668 val.str. All references to 'spelling > SPELL_NONE' updated to
13671 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
13672 pfile->buffer->inc are not NULL before dereferencing them.
13674 * cpplex.c (parse_name): Take a pointer to the current token,
13675 plus current position and limit as args; return the new
13676 position; don't copy the text of a name into the string
13677 buffer, instead call cpp_lookup and store the node pointer.
13678 If extending a token, copy out the text of the old into a
13679 scratch buffer, append the new, look that up and store the new
13680 node pointer. Inline.
13681 (maybe_paste_with_next): If the result of paste is a NAME,
13682 then look up the pasted text and store its node pointer.
13683 (lex_line): Adjust for new parse_name interface.
13684 Check for L"str", L'str' using spec_nodes->n_L.
13685 (spell_token): SPELL_IDENT tokens have their spelling in
13686 val.node->name. Handle SPELL_STRING tokens that don't have
13688 (_cpp_expand_name_space,
13689 (can_paste): Check for L ## "str" using spec_nodes->n_L.
13690 (cpp_get_token, special_symbol): No need to call cpp_lookup.
13691 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
13692 return 1=equal 0=not, not a tristate.
13694 * cpphash.c (var_args_str): Delete.
13695 (find_param): Compare node fields directly.
13696 (is__va_args__): Use CPP_PEDANTIC. Just compare
13697 token->val.node with spec_nodes->n__VA_ARGS__.
13698 (dump_funlike_macro): Don't use var_args_str.
13700 * cpplib.c (_cpp_check_directive): Just walk through
13701 spec_nodes->dirs comparing pointers.
13702 (get_define_node, do_pragma_poison, detect_if_not_defined,
13703 parse_ifdef): The identifier has already been looked up.
13704 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
13706 (do_if): Only call detect_if_not_defined at beginning of file.
13707 (_cpp_parse_assertion): Only copy string pointers for
13708 SPELL_STRING tokens.
13709 (pragma_dispatch): Take a node pointer and examine its name
13711 (_cpp_init_stacks): Also initialize the spec_nodes structure.
13713 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
13715 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
13716 reverse order from the corresponding _cpp_init_* routines.
13718 * cppexp.c (parse_number, parse_charconst, parse_defined,
13719 lex): Check val.node->type instead of calling cpp_defined.
13720 Use spec_nodes entries where appropriate.
13722 * fix-header.c, scan-decls.c: Update for interface changes.
13724 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
13726 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
13727 emitting aux_truncdfsf2.
13729 2000-07-03 Donn Terry (donnte@microsoft.com)
13731 * cppinit.c (print_help): split overlong line into ISO C89
13734 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13736 * cppexp.c: Update all code for new lexer interface.
13737 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
13738 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
13739 * cpplex.c (token_names): Trim leading CPP_ from names; make
13740 the strings unsigned.
13741 (_cpp_spell_operator): New.
13742 (is_macro_disabled): Disable all macros if rescanning
13744 (_cpp_get_directive_token): Remove.
13746 * cppinit.c: Don't set no_macro_expand.
13747 * cpplib.c (read_line_number, do_line): Check only for EOF,
13749 * cpphash.h: Update prototypes.
13750 * cpplib.h (CPP_VSPACE): Remove.
13751 (struct cpp_reader): Remove no_macro_expand.
13753 2000-07-08 Neil Booth <NeilB@earthling.net>
13755 * cpphash.c (is__va_args__): New function.
13756 (count_params): Fix line reported in error messages. Use
13757 is__va_args__. Don't return ')' on error. Flag GNU style
13758 rest args macro definitions.
13759 (parse_define): Check macro name is not __VA_ARGS__.
13760 (save_expansion): Check identifier in non-varargs-macro is
13761 not __VA_ARGS__. Don't flag GNU_VARARGS.
13762 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
13763 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
13764 than per-token GNU_VARARGS.
13765 * cpplib.h (GNU_VARARGS): Remove.
13766 (GNU_REST_ARGS): New.
13768 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13770 * i386.md (call_pop, call, call_value_pop): Do not set
13771 current_function_uses_pic_offset_table for calls to static
13772 functions or indirect calls.
13774 2000-07-07 Jim Wilson <wilson@cygnus.com>
13776 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
13777 is_predicate_reg, then take max write_count of register pair.
13779 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13781 * tradcpp.c (main): Rename label `include' to `add_include' to
13782 avoid conflicts with variable `include' in traditional C.
13784 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13786 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
13788 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13790 * sibcall.c (uses_addressof): Add INMEM argument, check for
13791 current_function_internal_arg_pointer outside of MEM rtxs in addition
13793 (sequence_uses_addressof): Update caller.
13795 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13797 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
13800 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13802 * system.h (UNION_INIT_ZERO): New macro for initializing union
13803 members in structs.
13805 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13807 2000-07-07 Neil Booth <NeilB@earthling.net>
13809 * cpp.texi: Update.
13811 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
13813 * final.c (final): Detect out of bounds array access to
13814 the insn_lengths array.
13816 2000-07-07 Kazu Hirata <kazu@hxi.com>
13818 * fold-const.c (fold): Fix a comment typo.
13820 2000-07-07 Neil Booth <NeilB@earthling.net>
13822 * cpp.texi: Update to new lexer.
13824 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13826 * tradcpp.c: New file.
13827 * tradcif.y: New file.
13828 * tradcif.c: New generated file.
13830 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
13831 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
13832 dependencies of C. Install tradcpp from install-common, in
13835 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13837 * cppinit.c: Include cppdefault.h. Refer to
13838 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
13839 to GCC_INCLUDE_DIR and its length.
13840 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
13841 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
13842 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
13844 (include_defaults_array): Move to cppdefault.c.
13846 * cppdefault.h: New file.
13847 * cppdefault.c: New file.
13849 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
13850 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
13851 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
13854 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13856 * reload.c (push_reload): When seeing if can reuse a register,
13857 check extra registers against widest of INMODE and OUTMODE.
13859 2000-07-06 Neil Booth <NeilB@earthling.net>
13861 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
13862 based on full length of predicate.
13864 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
13866 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
13867 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
13869 2000-07-05 Kazu Hirata <kazu@hxi.com>
13871 * h8300-proto.h: Fix formatting.
13872 * h8300.c: Likewise.
13873 * h8300.h: Likewise.
13875 2000-07-05 Jim Wilson <wilson@cygnus.com>
13877 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
13880 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
13882 * invoke.texi: Fix minor typos
13883 * md.texi: Fix minor typos
13885 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13887 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13889 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13891 * cpplex.c: Don't include sys/mman.h.
13892 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13894 * cpplib.c: Include sys/mman.h and obstack.h.
13895 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13897 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13898 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13899 bother freeing if stack entries (they will be freed with their buffer).
13900 (do_endif): Free if stack entries from the buffer obstack.
13901 (push_conditional): Allocate if stack entries from the buffer obstack.
13903 (find_answer): Rename to _cpp_find_answer.
13904 (do_assert, do_unassert): Update.
13906 * cpphash.h: Update prototypes.
13907 (xobnew): New convenience macro.
13908 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13910 (struct cpp_hashnode): Remove disabled field.
13912 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13913 (report_missing_guard): Moved to cppfiles.c.
13914 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13916 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13917 cpp_cleanup_includes. Don't destroy hashtab or
13918 all_include_files here.
13919 (cpp_finish): Use _cpp_report_missing_guards.
13921 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13922 (_cpp_init_include_table): Rename _cpp_init_includes.
13923 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
13925 * cppexp.c (parse_assertion): Update for new name of
13928 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13930 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13932 * cpplib.c (do_ident): s/VSPACE/EOF/
13934 2000-07-05 Neil Booth <NeilB@earthling.net>
13936 * cpplex.c: Fix trigraph replacement within strings.
13938 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13942 * xcoffout.c (assign_type_number): Constify.
13943 (xcoffout_source_file): Add static prototype. Don't needlessly
13944 cast away const-ness.
13946 2000-07-04 Jason Merrill <jason@redhat.com>
13948 * frame.h (frame_state): Move base_offset to end.
13950 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13952 * calls.c (emit_library_call_value_1): Revert previous change.
13954 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13956 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13957 (recognized_extern, recognized_function, read_scan_file):
13958 Update for new scheme.
13959 (check_protection): It's still a multiple include guard even
13960 if it doesn't always trigger.
13961 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13963 * scan.h: Declare struct cpp_token. Update prototypes.
13965 2000-07-03 Neil Booth <neilb@earthling.net>
13966 Zack Weinberg <zack@wolery.cumb.org>
13968 Complete overhaul of the lexer and macro expander.
13970 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13971 arg, arglist, argdata, reflist, collect_objlike_expansion,
13972 collect_funlike_expansion, collect_params,
13973 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13974 unsafe_chars, macarg, compare_defs, special_symbol,
13975 scan_arguments, stringify, funlike_macroexpand,
13976 _cpp_quote_string, monthnames): Delete.
13977 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13978 _cpp_create_definition, _cpp_dump_definition,
13979 dump_hash_helper): Adjust.
13980 (find_param, count_params, parse_define, var_args_str,
13981 check_macro_redefinition, save_expansion): New.
13983 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13984 parse_string, output_line_command, trigraph_replace,
13985 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13986 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13987 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13988 _cpp_skip_rest_of_line): Modify.
13990 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13991 find_position, null_warning, bump_column, expand_name_space,
13992 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13993 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13994 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13995 _cpp_prescan): Delete.
13997 (dump_param_spelling, process_directive, lex_next,
13998 is_macro_disabled, stringify_arg, expand_context_stack,
13999 output_token, make_string_token, alloc_number_token,
14000 special_symbol, duplicate_token, maybe_paste_with_next,
14001 can_paste, prevent_macro_expansion, restore_macro_expansion,
14002 get_temp_token, release_temp_tokens, quote_string,
14003 token_names, token_spellings, _cpp_expand_name_space,
14004 _cpp_glue_header_name, _cpp_reserve_name_space,
14005 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
14006 placemarker_token, eof_token, cpp_context, macro_args,
14007 get_raw_token, parse_arg, parse_args, save_token,
14008 push_arg_context, push_macro_context, pop_context,
14009 do_pop_context, free_macro_args, _cpp_get_line,
14010 _cpp_run_directive): New.
14012 * cpplib.c (validate_else, parse_include, push_conditional,
14013 pass_thru_directive, read_line_number, parse_ifdef,
14014 detect_if_not_defined, _cpp_check_directive, do_define,
14015 do_undef, do_include, do_import, do_include_next, do_error,
14016 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
14017 top_pragmas, do_pragma_gcc, do_pragma_implementation,
14018 do_pragma_poison, do_pragma_system_header,
14019 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
14020 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
14021 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
14022 cpp_defined): Update for new scheme.
14023 (strtoul_for_line, get_define_node, dump_macro_name,
14024 _cpp_check_linemarker, _cpp_parse_assertion): New.
14025 (_cpp_handle_directive, do_pragma_default): Delete.
14027 * cpphash.h (struct predicate): Now struct answer.
14028 (enum spell_type, struct token_spelling, struct directive,
14029 directive_handler): New.
14030 Update prototypes. Remove unused macros.
14031 * cpplib.h: Update prototypes. Remove unused macros,
14032 structure definitions, and fields.
14034 * cpperror.c (print_containing_files, v_message): Adjust.
14035 * cppexp.c (parse_assertion, lex, parse_escape,
14036 _cpp_parse_expr): Adjust.
14037 * cppfiles.c (open_include_file, _cpp_execute_include,
14038 _cpp_compare_file_date, cpp_read_file, read_include_file):
14040 * cppinit.c (dump_special_to_buffer): Delete.
14041 (append_include_chain, merge_include_chains, cpp_reader_init,
14042 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
14043 cpp_finish, handle_option, print_help): Adjust.
14044 * cppmain.c (main): Adjust.
14046 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
14048 * cppspec.c (lang_specific_driver): Use double quotes in error
14051 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
14053 * calls.c (emit_library_call_value_1): Use valreg instead
14054 of hard_libcall_value.
14056 2000-07-03 Geoff Keating <geoffk@cygnus.com>
14058 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
14059 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
14060 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
14068 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
14069 mode instead of wider_mode is being used.
14071 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14073 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
14074 of 'r'. Use q_regs_operand.
14075 (andsi_1+2): Use q_regs_operand.
14077 2000-07-03 Jakub Jelinek <jakub@redhat.com>
14079 * builtins.c (get_memory_rtx): Always put into alias set 0.
14081 2000-07-03 Nick Clifton <nickc@cygnus.com>
14083 * config/arm/arm.md: Fix post increment and pre increment
14084 peepholes so that they do not generate UNPREDICATBLE opcodes.
14085 (ie ones where the increment clobbers the source/destination).
14087 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
14089 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
14090 change too big for -mtiny-stack" a warning, if larger than 63.
14091 (out_set_stack_ptr): Change the logic so -mno-interrupts is
14092 always safe to use on possible future devices.
14093 (function_prologue): Write SPH before SPL, for consistency.
14094 If interrupt_func_p true, we know we have enabled interrupts.
14095 (avr_num_arg_regs): New function. Round up to even number of
14096 bytes if no -mpack-args or if calling a libgcc function.
14097 (function_arg, function_arg_advance): Use it.
14098 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
14099 Output "movw" if available.
14100 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
14101 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
14102 (asm_output_section_name): Add blanks for consistent output.
14103 (encode_section_info): Set TREE_READONLY for progmem data to
14104 avoid gas warnings about changed section attributes.
14105 (avr_hard_regno_mode_ok): Force non-QImode data to start in
14106 even numbered registers on devices with "movw".
14107 * config/avr/avr.h (MASK_*): Define bits for target_flags.
14108 (TARGET_SWITCHES): Mark help strings for translation.
14109 Add new -mpack-args and -menhanced switches.
14110 (TARGET_OPTIONS): Mark help strings for translation.
14111 (progmem_section): Add section attributes.
14112 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
14113 Output "movw" if available.
14114 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
14116 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
14117 call convention (arguments aligned on even registers).
14118 (_cleanup, _exit): Make weak symbols libc can override.
14120 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14122 * fp-bit.h: New file.
14124 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
14125 Comment #endif statements.
14126 (__thenan_sf, __thenan_df): Add missing braces around initializer.
14128 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
14130 * gcse.c (compute_pre_data): Compute ae_kill using other local
14131 properties instead of calling compute_ae_kill.
14133 * alias.c (init_alias_analysis): Do not call
14134 prologue_epilogue_contains until after reload has completed.
14136 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
14138 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
14139 (genrtl_finish_compound_stmt): Likewise.
14140 (genrtl_compound_stmt): Change to return void.
14142 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
14143 move code from here to ...
14144 (genrtl_compound_stmt): ... here.
14145 (genrtl_finish_compound_stmt): Remove.
14146 (expand_stmt): Add comment.
14148 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
14150 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
14153 2000-07-02 Jakub Jelinek <jakub@redhat.com>
14155 * cpplib.h (struct cpp_reader): New field include_depth.
14156 (struct cpp_printer): Rename last_bsd to last_id.
14157 * cppfiles.c (read_include_file): Bump include_depth.
14158 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
14159 (output_line_command): Output correct #line if a header
14160 is including itself and is not protected against multiple inclusion.
14161 Use include_depth instead of buffer_stack_depth, last_id instead of
14163 * cppinit.c (cpp_start_read): Initialize last_id instead of
14166 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
14168 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
14169 (c-semantics.o): New target.
14171 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
14172 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
14173 (genrtl_clear_out_block): Likewise.
14174 (genrtl_goto_stmt): Likewise.
14175 (genrtl_expr_stmt): Likewise.
14176 (genrtl_decl_stmt): Likewise.
14177 (genrtl_if_stmt): Likewise.
14178 (genrtl_while_stmt): Likewise.
14179 (genrtl_do_stmt): Likewise.
14180 (genrtl_return_stmt): Likewise.
14181 (genrtl_for_stmt): Likewise.
14182 (genrtl_break_stmt): Likewise.
14183 (genrtl_continue_stmt): Likewise.
14184 (genrtl_scope_stmt): Likewise.
14185 (genrtl_switch_stmt): Likewise.
14186 (genrtl_case_label): Likewise.
14187 (genrtl_begin_compound_stmt): Likewise.
14188 (gerntl_finish_compound_stmt): Likewise.
14189 (genrtl_compound_stmt): Likewise.
14190 (genrtl_asm_stmt): Likewise.
14191 (genrtl_decl_cleanup): Likewise.
14192 (DECL_ANON_UNION_ELEMS): Likewise.
14193 (emit_local_var): Likewise.
14194 (make_rtl_for_local_static): Likewise.
14195 (expand_cond): Likewise.
14196 (expand_stmt): Likewise.
14197 (c_expand_return): Likewise.
14198 (c_expand_start_case): Likewise.
14199 (do_case): Likewise.
14200 (COMPOUND_STMT_NO_SCOPE): Likewise.
14201 (c_expand_asm_operands): Likewise.
14202 (NEW_FOR_SCOPE_P): New macro.
14203 (expand_expr_stmt_fn): New type.
14205 (set_current_function_name_declared): Likewise.
14206 (current_function_name_declared): Likewise.
14207 (lang_expand_stmt): Likewise.
14208 (stmts_are_full_exprs_p): Likewise.
14209 (anon_aggr_type_p): Likewise.
14210 (lang_expand_expr_stmt): Likewise.
14211 (build_case_label): Likewise.
14213 * c-decl.c (lang_expand_expr_stmt): Initialize.
14214 (stmts_are_full_exprs_p): Define.
14215 (current_function_name_declared): Likewise.
14216 (do_case): Likewise.
14217 (lang_expand_stmt): Likewise.
14218 (set_current_function_name_declared): Likewise.
14219 (anon_aggr_type_p): Likewise.
14221 * c-semantics.c: New file.
14222 (expand_cond): Moved from cp/semantics.c.
14223 (genrtl_do_pushlevel): Likewise.
14224 (genrtl_clear_out_block): Likewise.
14225 (genrtl_goto_stmt): Likewise.
14226 (genrtl_expr_stmt): Likewise.
14227 (genrtl_decl_stmt): Likewise.
14228 (genrtl_if_stmt): Likewise.
14229 (genrtl_while_stmt): Likewise.
14230 (genrtl_do_stmt): Likewise.
14231 (genrtl_return_stmt): Likewise.
14232 (genrtl_for_stmt): Likewise.
14233 (genrtl_break_stmt): Likewise.
14234 (genrtl_continue_stmt): Likewise.
14235 (genrtl_scope_stmt): Likewise.
14236 (genrtl_switch_stmt): Likewise.
14237 (genrtl_case_label): Likewise.
14238 (genrtl_begin_compound_stmt): Likewise.
14239 (genrtl_finish_compound_stmt): Likewise.
14240 (genrtl_compound_stmt): Likewise.
14241 (genrtl_asm_stmt): Likewise.
14242 (genrtl_decl_cleanup): Likewise.
14243 (make_rtl_for_local_static): Moved from cp/decl.c.
14244 (emit_local_var): Likewise.
14245 (expand_stmt): Define.
14247 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
14248 (c_expand_return): Likewise.
14249 (c_expand_start_case): Likewise.
14251 2000-07-01 Richard Henderson <rth@cygnus.com>
14253 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
14254 with the low 13 bits set.
14255 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
14256 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
14257 of the low 13 bits into a CONST plus an adddi3.
14258 (load_symptr): Set RTX_UNCHANGING_P.
14260 See ChangeLog.3 for earlier changes.