1 2001-06-11 Mark Mitchell <mark@codesourcery.com>
3 * toplev.c (lang_independent_f_options): Remove
4 -feliminate-dwarf2-dups, -fbounded-pointers, and -fbounds-check.
5 * doc/c-tree.texi: Update information about flag_honor_std.
6 * doc/install.texi: Note that binutils is required on HPUX 11.
7 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
10 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
13 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
15 * doc/md.texi: Use TeX dashes and quotes.
17 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
19 * doc/rtl.texi: Reference manual chapter about trees.
21 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
24 (WINT_TYPE): Override.
25 (WINT_TYPE_SIZE): Likewise.
26 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
28 * config/sparc/sol2.h (WINT_TYPE): Define.
29 (WINT_TYPE_SIZE): Likewise.
31 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
32 (WINT_TYPE): Override.
33 (WINT_TYPE_SIZE): Likewise.
34 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
35 (CPP_ARCH64_SPEC): Likewise.
37 2001-06-11 Richard Henderson <rth@redhat.com>
39 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
42 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
43 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
45 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
47 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
49 2001-06-11 Richard Henderson <rth@redhat.com>
51 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
52 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
53 (struct machine_function): Add gp_save_rtx.
54 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
55 (alpha_gp_save_rtx): New.
56 * config/alpha/alpha-protos.h: Declare it.
57 * config/alpha/alpha.md (exception_receiver): Make an expander.
58 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
60 2001-06-11 Richard Henderson <rth@redhat.com>
62 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
64 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
66 * configure.in: Align --help messages.
67 Remove trailing full stops.
68 Consistently use lower case.
72 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
74 * c-decl.c (store_parm_decls): When comparing types in an
75 old-style function declaration with those from a previous
76 prototype, compare the unqualified versions of parameter types.
79 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
81 * doc/objc.texi: Use more logical markup. Use TeX dashes.
83 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
85 * doc/c-tree.texi: Use more logical markup.
87 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
89 * doc/install.texi: Update details of what components are included
90 in the GCC distribution. Update default directory for g++
91 includes. Update documentation relating to old libio. Adjust
92 documentation on DejaGnu environment variables. Remove
93 documentation of --enable-cpplib.
95 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
97 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
100 2001-06-10 Richard Henderson <rth@redhat.com>
102 * ifcvt.c (life_data_ok): New.
103 (merge_if_block): Use it to determine whether to update
105 (if_convert): Set it.
107 2001-06-10 Richard Henderson <rth@redhat.com>
109 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
111 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
113 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
114 (SH Options): Document -mieee.
115 * doc/install.texi (Final install): Remove obsolete information
116 about installing cross compilers.
117 * doc/gcc.1: Rebuilt.
119 2001-06-10 Richard Henderson <rth@redhat.com>
121 * config/alpha/alpha.c (override_options): Set align_loops,
122 align_jumps, and align_functions.
123 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
124 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
126 2001-06-10 Richard Henderson <rth@redhat.com>
128 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
129 (Code Generation Options): Document -fnon-call-exceptions.
131 2001-06-10 Mark Kettenis <kettenis@gnu.org>
133 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
135 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
137 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
139 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
141 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
142 prefer a memory for operand 1.
143 ("*addsi3"): Fix constraints, the '!' was too strong.
144 ("*addsi3_split"): Accept soft register and split accordingly.
146 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
148 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
149 Move definition in the RTX_CODE section.
151 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
153 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
154 address as relative to the argument pointer.
156 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
158 * doc/invoke.texi (C Dialect Options): Document -aux-info.
159 (Debugging Options): Document -print-multi-directory and
161 * doc/gcc.1: Rebuilt.
163 * toplev.c (independent_decode_option): Require `=' between
164 `-aux-info' and filename in the same argument.
165 * gcc.c: Don't pass -aux-info=filename twice.
167 2001-06-10 Neil Booth <neil@daikokuya.demon.co.uk>
169 * cppinit.c (print_help): Document -fpreprocessed.
170 * invoke.texi: Similarly.
172 2001-06-09 Mark Mitchell <mark@codesourcery.com>
174 * expr.c (expand_expr, case ARRAY_REF): Do not replace
175 an array element with the known initializing value if it has
178 * toplev.c (rest_of_compilation): Remove dead code before
181 2001-06-09 Richard Henderson <rth@redhat.com>
183 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
185 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
186 defaults for them here.
188 2001-06-09 Peter Jakubek <pjak@snafu.de>
190 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
192 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
194 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
195 more index entries. Use more logical markup where appropriate.
196 Use TeX quotes and dashes.
198 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
200 * gthr-posix.h (__gthread_objc_init_thread_system): If
201 pthread_key_create fails, it's not clear what the return value is.
202 This obvious fix makes sure it always returns -1 if a problem
205 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
207 * unwind-pe.h: Conditionally qualify references to abort with
210 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
212 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
213 for integer operations that don't update C bit.
215 2001-06-09 Julian Foad <julian_foad@hotmail.com>
217 * invoke.texi: Remove superfluous text.
219 2001-06-08 Richard Henderson <rth@redhat.com>
221 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
222 (LIB_SPEC): Mirror config/linux.h version.
224 2001-06-08 Richard Henderson <rth@redhat.com>
226 2001-03-29 Richard Henderson <rth@redhat.com>
227 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
229 2001-06-08 Richard Henderson <rth@redhat.com>
231 * except.c (get_exception_pointer, get_exception_filter): Take a
232 struct function. Update all callers.
233 * except.h (get_exception_pointer): Update declaration.
234 * expr.c (expand_expr): Update get_exception_pointer call.
235 * integrate.c (expand_inline_function): Remap the exception pointer
236 from callee to caller.
238 2001-06-08 Mark Mitchell <mark@codesourcery.com>
240 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
241 accurately reflect its cv-qualification.
242 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
243 cv-qualifiers on function types.
245 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
247 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
250 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
252 * doc/gcc.texi, doc/invoke.texi: Add index of command line
253 options. Use @opindex to index them rather than other indexing
254 commands. Use @var{...} instead of <...>. Avoid spaces in names
255 inside @var. Don't use @kindex to index escape sequences in
258 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
260 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
262 2001-06-08 Jakub Jelinek <jakub@redhat.com>
264 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
265 for complex floats passed to unprototyped functions.
267 2001-06-08 Jakub Jelinek <jakub@redhat.com>
269 * jump.c (mark_modified_reg): Allow jump threading if condition
270 codes are represented by a hard register.
272 2001-06-08 Jakub Jelinek <jakub@redhat.com>
274 * config/ia64/ia64.h (CC1_SPEC): Define.
275 * config/ia64/linux.h (CC1_SPEC): Define.
277 2001-06-08 Jakub Jelinek <jakub@redhat.com>
279 * tradcpp.c (do_define): Make sure we don't walk past limit.
281 2001-06-08 Jakub Jelinek <jakub@redhat.com
283 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
285 * doc/cpp.texi (__NO_INLINE): Document it.
287 2001-06-08 Mark Mitchell <mark@codesourcery.com>
289 * except.c (expand_eh_region_end_allowed): Call
290 do_pending_stack_adjust as necessary.
292 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
294 * doc/install.texi2html (MAKEINFO): Keep value if set already.
296 2001-06-07 Mark Mitchell <mark@codesourcery.com>
298 * tree.h (DECL_SOURCE_FILE): Improve documentation.
299 (DECL_SOURCE_LINE): Likewise.
301 2001-06-07 Phil Edwards <pme@sources.redhat.com>
303 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
304 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
306 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
308 * doc/contrib.texi: Add copyright notice.
310 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
312 * doc/md.texi: Use four digit years in copyright notice.
314 2001-06-07 DJ Delorie <dj@redhat.com>
316 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
317 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
318 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
319 gcov.1: Move to doc subdirectory.
320 * install.texi: Move to doc/install-old.texi.
321 * gcc.texi: Move to doc, refer to install-old.texi.
322 * Makefile.in: Reflect move of docs to doc/.
323 * f/Make-lang.in: Ditto.
324 * java/Make-lang.in: Ditto.
325 * doc/.cvsignore: New.
327 2001-06-07 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
329 * c-tree.texi: Reformat the manual as a single chapter now
330 included by gcc.texi.
331 * gcc.texi: Include c-tree.texi. Merge all indexes.
332 * Makefile.in (dvi): Add generation for the cppinternals
333 documentation. Added dependencies on fdl.texi and c-tree.texi
334 where appropriate. Use TEXI2DVI instead of custom tex calls.
335 (info): Added dependencies on fdl.texi and c-tree.texi where
336 appropriate. Remove the target c-tree.info.
338 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
342 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
344 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
345 pthread_t to objc_thread_t.
346 (__gthread_objc_thread_id): Likewise.
348 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
350 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
351 (ASM_OLDAS_SPEC): Likewise.
353 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
354 (CPP_SUBTARGET_SPEC): Use it.
355 (ASM_OLDAS_SPEC): Define.
357 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
359 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
361 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
364 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
366 * tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
367 Document use of N_(...), and show it in examples. Note that
368 documentation should be added to invoke.texi. Avoid an overfull
371 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
373 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
376 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
378 * install.texi: Remove more obsolete documentation.
380 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
382 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
383 * configure: Rebuilt.
385 2001-06-06 Richard Henderson <rth@redhat.com>
387 * flow.c (mark_used_reg): Clean up looping over multiple hard
388 registers. Do conditional life bits across multiple hard regs.
390 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
392 * reload1.c (reload): Revert Schmidt's change so all USEs are not
393 deleted during reload.
395 2001-06-05 Mark Mitchell <mark@codesourcery.com>
397 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
398 functions here, instead of ...
399 * c-decl.c (c_expand_body): ... here.
401 2001-06-05 Richard Henderson <rth@redhat.com>
403 * dwarf2.h (DW_EH_PE_aligned): New.
404 * dwarf2asm.c (eh_data_format_name): Name it.
405 (dw2_asm_output_encoded_addr_rtx): Align for it.
406 * dwarf2out.c (output_call_frame_info): Handle it for personality
407 routine and LSDA pointers.
409 * unwind-pe.h (DW_EH_PE_aligned): New.
410 (base_of_encoded_value): Handle it.
411 (read_encoded_value_with_base): Likewise.
412 * unwind-dw2-fde.c (base_from_object): Likewise.
413 (get_cie_encoding): Likewise.
415 * config/alpha/elf.h: Remove ecoff commentary.
416 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
418 2001-06-05 Mark Mitchell <mark@codesourcery.com>
420 * print-rtl.c (xspaces): Remove.
421 (print_rtx): Use printf field-width, rather than xpsaces, to
423 * toplev.c (main): Disable sibling-call optimization if we are
426 2001-06-05 Bernd Schmidt <bernds@redhat.com>
428 * reload1.c (reload): Delete all USEs generated during reload.
430 Tue Jun 5 21:08:39 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
432 * config.gcc (i?86-*-solaris2*): Enable shared libgcc.
434 2001-06-05 Phil Edwards <pme@sources.redhat.com>
436 * gccbug.in: Remove high priority.
438 2001-06-05 scott snyder <snyder@fnal.gov>
440 * gccbug.in: Fix typo.
442 2001-06-05 David Edelsohn <edelsohn@gnu.org>
444 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
445 __WCHAR_TYPE__ definition.
446 (WCHAR_TYPE_SIZE): #undef before #define.
448 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
450 * c-common.h (flag_dump_translation_unit): Remove.
451 (enum tree_dump_index): Define.
452 (TDF_ADDRESS, TDF_SLIM): New #defines.
453 (dump_node_to_file): Remove.
454 (dump_node): Make extern. Add flags.
455 (dump_flag, dump_enabled_p, dump_begin, dump_end,
456 dump_switch_p): Prototype.
457 * c-common.c (flag_dump_translation_unit): Remove.
458 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
459 logic. Use dump_switch_p.
460 * c-dump.h (struct dump_info): Add node and user fields.
461 (dump_pointer): Declare.
462 * c-dump.c (dump_node): Make extern. Add flags.
463 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
464 (dump_new_line, dump_maybe_newline): Use them.
465 (dump_pointer): New function.
466 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
467 chain or function's body. Dump address, if TDF_ADDRESS set.
469 (dump_node_to_file): Remove.
470 (struct dump_file_info): New struct.
471 (dump_files): New array.
472 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
473 * c-lang.c (finish_file): Adjust dumping.
474 * toplev.h (dump_base_name): Make extern.
475 * invoke.texi: Document new flags.
477 2001-06-04 Mark Mitchell <mark@codesourcery.com>
479 * c-tree.h (lang_decl): Add pending_sizes fields.
480 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
482 (c_expand_body): Expand them.
483 (lang_mark_tree): Mark lang_decl:pending_sizes.
484 * function.c (expand_pending_sizes): New function, broken out
486 (expand_function_start): ... here.
487 * tree.h (expand_pending_sizes): Declare it.
489 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
491 * doc/install.texi: Update FreeBSD information. Generalize
492 and update information for alpha-based platforms using ELF.
494 2001-06-04 Richard Henderson <rth@redhat.com>
496 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
497 optimization if current_function_calls_setjmp.
499 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
501 * c-tree.texi: Fix documentation of TREE_STRING_LENGTH for wide
504 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
506 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
507 (store_parm_decls): Likewise.
508 * c-typeck.c (convert_arguments): Likewise.
510 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
512 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
513 mark_constant_pool_use before output_addr_const.
514 (struct pool_node): New field wend.
515 (add_constant): Note a sequence of constants that are referenced
517 (pool_window_label, pool_window_last): New variables.
518 (dump_table): Emit a unspec_volatile representing the end of a
519 sequence of constants.
520 (mark_constant_pool_use): New function.
521 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
522 (consttable_2): Add the second operand which flags whether
523 this consttable entry was used or not.
524 (consttable_4, consttable_8, consttable_sf, consttable_df):
526 (consttable_window_end): New insn.
528 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
531 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
532 (shl_and_kind): Cast wide constant.
533 (gen_far_branch): Define as static, as in declaration.
534 (barrier_align): Compute cache-line length as unsigned. Add
535 parentheses in initial credit computation.
536 (rounded_frame_size): Add parentheses.
537 (permanent_obstack): Remove declaration. Include ggc.h for
538 declaration of ggc_add_root_rtx().
539 (get_free_reg): Removed declaration of unused variable reg.
540 (legitimize_pic_address): Mark mode argument as unused.
542 2001-06-03 Igor Shevlyakov <igor@windriver.com>
544 * config/sh/sh.c (output_branch): Support for insn with lenght
545 attr 12 & 16 which represents cond branches outside +-4096 range.
547 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
549 * config/sh/lib1funcs.asm (ic_invalidate): Align the
550 cache-mirroring sequence. Add nops.
552 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
554 * install.texi: Remove more old installation documentation.
555 * doc/install.texi: Add relevant parts here.
557 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
559 * doc/install.texi2html: New script.
561 2001-06-03 David Edelsohn <edelsohn@gnu.org>
563 * doc/install.texi: Update AIX information again.
565 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
567 * gcc.texi, install.texi: Remove old system-specific installation
569 * doc/install.texi: Move it to here.
571 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
573 * doc/install.texi: Clean up Texinfo markup.
575 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
577 * cpp.texi, cppinternals.texi, gcc.texi: Move contents to just
580 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
582 * install.texi: Remove documentation of some configuration
584 * doc/install.texi: Add relevant parts of this documentation here.
586 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
588 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
589 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
591 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
593 * install.texi: Remove libgcc1 documentation.
594 * gcc.texi: Remove link to Cross Runtime.
596 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
598 * invoke.texi: Remove references to papers about sequence points to
599 readings.html, refer to that page.
601 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
603 * README: Update references to installation instructions.
605 2001-06-01 Laurent Guerby <guerby@acm.org>
606 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
608 * doc/install.texi: Define srcdir when sources come from CVS.
609 Significantly improve markup. Wrap overly long lines.
611 2001-05-31 Richard Henderson <rth@redhat.com>
613 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
614 also link against libgcc.a.
616 Thu May 31 19:17:01 CEST 2001 Jan Hubicka <jh@suse.cz>
618 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
620 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
622 * install.texi (Configuration): Add html links for --with-gnu-as &
623 --with-gnu-ld and refer to them from hppa & SCO triplets.
624 (Specific): Link back to with-gnu-ld for all ELF platfoms.
625 (Specific): Reword AVR binutils recommendation.
627 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
629 * extend.texi: Fix formating of examples, eliminate some
631 * gcc.texi: Eliminate some 'overfull hboxes'.
632 * invoke.texi: Use two spaces between command options, eliminate
633 some 'overfull hboxes'.
635 2001-05-30 Richard Henderson <rth@redhat.com>
637 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
639 2001-05-30 Tom Tromey <tromey@redhat.com>
641 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
642 use it in the new association.
644 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
645 David O'Brien <obrien@freebsd.org>
647 FreeBSD system configuration merged from mainline.
649 * config.gcc (the unlabeled system switch statement): Add
650 generic configuration section to handle *-*-freebsd*. Also,
651 to match the system compiler, default to threading support (it
652 may be disabled with the standard --disable-threads
653 configuration-time switch). Report bad configuration.
654 (i[34567]86-*-freebsd* in machine-specific section): Use it.
655 (alpha*-*-freebsd* in machine-specific section): Likewise.
657 * config/freebsd.h (LIB_SPEC): Key the exact setting to
658 configure-time options and target version of FreeBSD. Set-up
659 to match architectural change in threading support. Correctly
660 report when -pthread option is not supported by configure-time
662 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
663 and extend to encode target version number in run-time setting
664 of __FreeBSD__ macro to match the system compiler. Use #endif/#if pair
665 instead of #elif (which is OK for this case but not in general).
666 (CPP_PREDEFINES): Likewise.
667 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
669 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
670 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
672 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
673 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
674 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
675 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
676 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
678 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
679 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
680 -pthread instead setting macro.
682 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
683 John David Anglin <dave@hiauly1.hia.nrc.ca>
685 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
686 to target type to allow ISO C++ compiler to accept it.
687 * gthr-dce.h (__gthread_active_ptr): Likewise.
688 * gthr-solaris.h (__gthread_active_ptr): Likewise.
690 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
692 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
693 so that we do accept comments in preprocessed input.
695 2000-05-30 Kelley Cook <kelley.cook@home.com>
697 * config/i386/i386.h (TARGET_SWITCHES): Remove -mmmx and -msse options.
699 2001-05-30 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
701 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
702 of just copying CPP_CPU_SPEC.
704 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
706 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
708 2001-05-30 Hans-Peter Nilsson <hp@axis.com>
710 * Makefile.in (s-mlib): Make backtick-commands always succeed.
711 (DRIVER_DEFINES): Ditto.
713 2001-05-29 Stan Shebs <shebs@apple.com>
715 * gcc.texi: Add links for information about Objective-C.
717 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
719 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
721 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
723 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
724 /bin/sed fails on [^\"]).
725 (configargs.h): Likewise.
726 * configure: Rebuilt.
728 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
730 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
731 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
732 Remove trailing whitespace.
734 2001-05-28 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
736 * c-common.c (c_common_nodes_and_builtins): Change __builtin_fsqrt
738 * extend.texi (Other Builtins): Update documentation about
741 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
743 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
744 became http://freeware.sgi.com/.
746 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
750 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
752 * cpplib.c (run_directive): Set pfile->directive.
754 2001-05-27 Nathan Sidwell <nathan@codesourcery.com>
756 * lists.c (init_EXPR_INSN_LIST_cache): Only called once.
757 * toplev.c (rest_of_compilation): Don't call it here.
758 (compile_file): Call it here.
760 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
762 * combine.c (try_combine): Fix typo in comment.
763 * expr.c (expand_expr): Likewise.
764 * config/i370/i370.md (untyped_call): Likewise.
766 2001-05-26 Bruce Korb <bkorb@gnu.org>
768 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
769 when fixincl is operating in test mode
770 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
771 (AAB_ultrix_limits): remove redundant text
772 (AAB_ultrix_memory): ditto
773 (AAB_ultrix_string): ditto
774 (djgpp_wchar_h): fix the test text
775 (irix_stdio_va_list): add test text
776 (irix_limits_const): add a testing output file (limits.h is overwritten)
777 (strict_ansi_not_ctd): put limits.h second in list for same reason
778 (solaris27_mutex_init): test text needed selection text, too
780 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
781 when fixincl is operating in test mode
783 2001-05-25 Zack Weinberg <zackw@stanford.edu>
785 * toplev.c (debug_args, f_options, W_options): Mark
786 descriptions for translation.
787 (display_help): Translate descriptions on output.
789 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
790 objc/lang-options.h: Mark descriptions for translation.
792 * aclocal.m4: Quote final argument of patsubst. Use
793 3-argument form of AC_DEFINE. Restore quotes to [] while
795 * configure, config.in: Regenerate.
797 2001-05-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
799 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Remove MODE argument.
801 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
803 * config/arc/initfini.c (.init): Fix typo.
805 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
807 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
809 2001-05-25 Richard Henderson <rth@redhat.com>
811 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
812 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
813 (sparc*-*-solaris2): Likewise.
814 * config/t-linux: Remove shared libgcc macros.
815 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
816 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
818 2001-05-25 Richard Henderson <rth@redhat.com>
820 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
822 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
824 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
825 strict_ansi_only): Don't run if stdc_0_in_system_headers.
826 * fixinc/fixincl.x: Regenerate.
827 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
828 (FIX_TEST_TABLE): Declare it.
829 * fixinc/fixlib.h: Include config.h.
831 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
833 * fixinc/inclhack.def (alpha___assert): Change char * args to
834 const char * on Tru64 UNIX to avoid excessive warnings from
836 * fixinc/fixincl.x: Regenerate.
838 2001-05-25 David Edelsohn <edelsohn@gnu.org>
840 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
842 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
845 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
847 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
848 instead of rtx_equal_p for early clobber test.
850 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
852 * aclocal.m4: Fixed typo.
853 (gcc_AC_HEADER_STDBOOL): Define.
854 (gcc_AC_C__BOOL): Define.
855 * configure.in: Use them.
856 (AC_CHECK_HEADERS): Remove stdbool.h
857 * configure, config.in: Regenerate.
859 2001-05-25 Richard Henderson <rth@redhat.com>
861 * config/i386/i386.md: Revert previous change. Do not apply
862 the peephole if the components do not die after the sequence.
864 2001-05-25 Mark Mitchell <mark@codesourcery.com>
866 * config/i386/i386.md: Make sure cmpstr peepholes do not
867 affect liveness information.
869 2001-05-24 Mark Mitchell <mark@codesourcery.com>
871 * c-typeck.c (digest_init): Issue error messages about
872 invalid constants, not warnings.
874 * invoke.texi (-fno-builtin): Document that this is always on
877 2001-05-24 Philip Blundell <philb@gnu.org>
879 * config/arm/arm.c (output_return_instruction): Correctly handle
880 interworking and interrupt functions.
882 2001-05-24 Philip Blundell <philb@gnu.org>
884 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
885 -m{no-}sched-prolog. Fix typos and improve formatting.
887 2001-05-24 Philip Blundell <philb@gnu.org>
889 * invoke.texi (ARM Options): Improve wording slightly. Add
890 documentation for more options, including those for Thumb mode.
891 Don't mention options that don't exist or are unimplemented.
892 (Thumb Options): Delete; merged into above section.
894 2001-05-24 Geoff Keating <geoffk@redhat.com>
896 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
897 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
899 2001-05-23 Richard Henderson <rth@redhat.com>
901 * doc/install.texi (alpha-linux): Require binutils 2.11.
903 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
905 * extend.texi (Attribute Syntax): Clarify application of
906 attributes to parameters declared as functions or arrays.
908 2001-05-23 Zack Weinberg <zackw@stanford.edu>
910 * diagnostic.c (vnotice): Kill.
911 (fnotice): Call vfprintf directly.
912 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
913 verbatim, set_diagnostic_context): Rename string argument to
914 indicate that it is run through gettext.
915 (vbuild_message_string, build_message_string, output_do_printf):
916 Rename string argument to indicate that it is NOT run through
918 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
919 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
920 Run msgid argument through gettext.
921 (default_print_error_function): Run constant strings through
922 gettext when nothing else will.
923 (fatal_error, internal_error, error_recursion): Use fnotice.
924 Present complete sentences to gettext.
926 2001-05-23 Mark Mitchell <mark@codesourcery.com>
928 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
930 2001-05-22 Richard Henderson <rth@redhat.com>
932 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
933 section pointer alignment.
935 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
937 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
938 of __USER_LABEL_PREFIX__.
940 2001-05-22 Richard Henderson <rth@redhat.com>
942 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
943 (__deregister_frame_info_bases): New.
944 * unwind-dw2-fde.h: Declare it.
945 * libgcc-std.ver: Export it.
946 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
947 called __register_frame_info_bases.
949 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
951 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
952 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
953 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
954 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
955 "r2" to the assembly file. Only issue allocs with non-zero parameters.
957 2001-05-22 Richard Henderson <rth@redhat.com>
959 * libgcc2.c: Include hwint.h.
961 2001-05-22 Richard Henderson <rth@redhat.com>
963 * crtstuff.c (__register_frame_info_bases): Declare.
964 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
965 (__do_global_dtors_aux, __do_global_dtors): Streamline.
967 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
968 (CRT_GET_RFIB_DATA): New.
969 * config/i386/sysv4.h: Likewise.
970 * config/i386/sco5.h: Likewise.
971 (ASM_PREFERRED_EH_DATA_FORMAT): New.
973 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
975 * doc/install.texi (Specific): Remove a bogus and duplicate part
976 copied from the end of the document.
978 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
980 * install.texi: Remove obsolete information on SunOS as well as
981 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
982 (Installing GNU CC on the Sun): Remove section.
984 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
986 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
987 keep errno unchanged on success.
989 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
991 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
992 once for hexadecimal floats, whether or not they contain a decimal
993 point. Don't let the setting of pedantic otherwise affect the
994 parsing of hexadecimal floats.
996 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
998 * README.ACORN: Remove obsolete file.
1000 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1002 Merge objc.texi from mainline:
1003 2001-02-28 Ovidiu Predescu <ovidiu@cup.hp.com>
1004 * objc-features.texi: Document the @compatibility_alias compiler
1005 directive (description from Nicola Pero <n.pero@mi.flashnet.it>).
1007 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1009 * tree.h (type_num_arguments): Declare it.
1010 * tree.c (type_num_arguments): New function.
1012 2001-05-21 Richard Henderson <rth@redhat.com>
1014 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1017 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1019 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1020 non-register variables.
1021 * extend.texi: Document that asm-specifications do not make sense
1022 for non-static local variables.
1024 2001-05-17 Andrew Haley <aph@redhat.com>
1026 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1028 2001-05-20 Mark Mitchell <mark@codesourcery.com>
1029 Jim Wilson <wilson@redhat.com>
1031 * libgcc2.h (TItype): Do not assume that the host has 64-bit ntegers.
1032 (W_TYPE_SIZE): Likewise.
1034 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1036 * extend.texi: Clarify documentation of extensions included in ISO
1037 C99. Prefer C99 terminology and syntax to old GNU terminology and
1038 syntax. Add more index entries. Document mixed declarations and
1039 code as an extension in C89 mode. Warn about future changes to
1040 semantics of inline functions. Fixes PR other/930.
1042 2001-05-20 Richard Henderson <rth@redhat.com>
1044 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1045 to be output before a branch.
1047 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1048 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1050 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1051 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1054 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1055 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1058 2001-05-20 Richard Henderson <rth@redhat.com>
1060 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1062 2001-05-20 Richard Henderson <rth@redhat.com>
1064 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1065 (ASM_DOUBLE): Remove.
1066 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1067 * config/i386/sun386.h: Likewise.
1069 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1070 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1072 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1073 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1074 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1075 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1077 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1078 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1079 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1080 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1081 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1082 * config/i386/win-nt.h, config/i386/win32.h: Likewise.
1084 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1086 * invoke.texi: Add more options to summary list.
1088 2001-05-19 Zack Weinberg <zackw@stanford.edu>
1090 * extend.texi: Document #pragma GCC java_exceptions.
1092 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1094 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1095 used. Fixes PR c/2291.
1096 * gcc.1: Regenerate.
1098 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1100 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1101 the -fpic and -fPIC options, clear flag_pic.
1103 2001-05-19 Brad Lucier <lucier@math.purdue.edu>, Alexandre Oliva <aoliva@redhat.com>
1105 * Makefile.in (alloca.o): Depend on $(GCONFIG_H).
1106 ($(HOST_PREFIX_1)alloca.o): Depend on $(HCONFIG_H). Arrange for
1107 hconfig.h to be included.
1109 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1111 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1113 (expand_eh_return): Convert between word_mode and Pmode.
1114 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1116 (execute_stack_op): Likewise.
1117 (execute_cfa_program): Likewise.
1118 (uw_frame_state_for): Likewise.
1119 (uw_update_context_1): Likewise.
1120 * unwind.inc (_Unwind_Reason_Code): Likewise.
1121 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1122 (EH_RETURN_STACKADJ_RTX): Likewise.
1123 * config/mips/mips.c (compute_frame_size): Make space for saving
1124 EH return registers.
1125 (mips_expand_epilogue): Handle EH stack adjustments.
1126 * config/mips/mips.md (eh_return): New pattern.
1127 (eh_set_lr_si): Likewise.
1128 (eh_set_lr_di): Likewise.
1129 Add splitter to perform EH return after reload.
1131 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1133 * jump.c (mark_jump_label): Tidy previous change.
1135 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1136 Bruce Korb <bkorb@gnu.org>
1138 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1139 found in fixinc directory. Facilitates binary distributions.
1141 2001-05-19 Bruce Korb <bkorb@gnu.org>
1143 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1144 * fixinc/genfixes: emit a warning if AutoGen is out of date
1145 * fixinc/fixincl.x: regen
1146 * fixinc/Makefile.in: open stdin for those building with a closed one.
1148 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1150 * jump.c (mark_jump_label): Tidy previous change.
1152 * jump.c (jump_optimize_1): Tidy.
1153 (mark_jump_label): When changing the label in a LABEL_REF, change
1154 update any REG_EQUAL notes as well.
1156 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1158 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1160 * toplev.c (main): If the target does not allow profiling without
1161 a frame pointer, issue an error message.
1162 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1165 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1167 * regrename.c (regrename_optimize): frame pointer register can
1170 2001-05-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
1172 * toplev.c (note_outlining_of_inline_function): Add ATTRIBUTE_UNUSED
1173 to argument declaration.
1175 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1177 * README.DWARF: Move into dwarfout.c.
1179 2001-05-18 Stan Shebs <shebs@apple.com>
1181 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1182 * configure: Regenerate.
1184 2001-05-18 Geoff Keating <geoffk@redhat.com>
1186 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1187 the link register if we're not going to use it.
1189 * config/rs6000/rs6000.c (output_function_profiler): Fix a warning.
1191 2001-05-18 Per Bothner <per@bothner.com>
1193 Changes needed for java/jvspec.c
1194 * gcc.h (n_infiles, outfiles): Add declarations.
1195 * gcc.c (n_infiles, outfiles): Mske no longer static.
1197 Fri May 18 10:12:19 2001 Jeffrey A Law (law@cygnus.com)
1199 * config/pa/som.h (EXCEPTION_SECTION): Define.
1201 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1204 2001-02-09 Nick Clifton <nickc@redhat.com>
1205 * config/arm/arm.md: Change output constraint on post inc
1206 load/store multiple patterns to be a read/write constraint.
1208 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1210 * function.c (expand_function_start): Avoid creating BLKmode
1213 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1215 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1216 DIE, even if it has no children.
1217 (dwarf2out_finish): Always output the line-number table, even if
1220 2000-05-18 David Edelsohn <edelsohn@gnu.org>
1222 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1224 2000-05-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1226 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1227 offsets if not REG_OK_STRICT.
1229 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1230 (INT_REG_OK_FOR_INDEX_P): Likewise.
1231 (INT_REG_OK_FOR_BASE_P): Likewise.
1232 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1233 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1234 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1235 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1236 REG_OK_FOR_BASE_P. Take an additional parameter.
1237 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1238 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1239 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1240 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1241 rs6000_legitimate_address() and use it.
1242 * config/rs6000/rs6000.c: Update all callers.
1243 (rs6000_legitimate_address): New function.
1245 2001-05-17 Mark Kettenis <kettenis@wins.uva.nl>
1247 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1249 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1251 * doc/install.texi: Update Solaris information.
1253 * except.h (protect_cleanup_actions): Remove it.
1254 (lang_protect_cleanup_actions): Declare it.
1255 * except.c (protect_cleanup_actions): Remove it.
1256 (lang_protect_cleanup_actions): New variable.
1257 (init_eh): Don't make protect_cleanup_actions a GC root.
1258 (expand_eh_region_and_cleanup): Call
1259 lang_protect_cleanup_actions.
1260 (output_function_exception_table): Remove unused `align'
1262 * varasm.c (assemble_external): Abort if we have not yet
1263 opened the assembly output file.
1265 Thu May 17 11:53:49 2001 Jeffrey A Law (law@cygnus.com)
1267 * pa.c (hppa_init_pic_save): No longer update last_parm_insn.
1269 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1270 for eh_personality_libfunc.
1272 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1274 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1275 (reload_as_needed): Call update_eliminable_offsets a bit later.
1277 * expr.c (protect_from_queue): Protect against subsequent calls to
1279 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1282 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1284 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1287 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1289 * gccbug.in (CATEGORIES): Add "bootstrap".
1291 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1293 * stmt.c (expand_asm_operands): For inout operands, make sure
1294 the substitution of '=' for '+' makes it into the rtl.
1296 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1298 * gcc.texi (gccbug): Refer to the web pages for detailed information
1301 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1302 Bruce Korb <bkorb@gnu.org>
1304 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1307 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1309 * assert.h: Removed.
1310 * libgcc-std.ver, sys-protos.h: Remove __eprintf.
1311 * libgcc2.c: Document that __eprintf exists for backward
1313 * configure.in: Correct commentary now assert.h does not exist.
1314 * configure: Regenerate.
1316 * Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
1317 references to either. Delete install-assert-h target. Do not
1318 create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
1319 Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
1320 LIB2FUNCS_ST to mklibgcc.
1321 * cross-make: Don't set assertdir.
1322 * mklibgcc.in: Add support for LIB2FUNCS_ST.
1324 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1325 config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
1326 config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
1327 config/mcore/t-mcore, config/mcore/t-mcore-pe:
1328 No need to set INSTALL_ASSERT_H.
1330 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1331 fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
1332 fixinc/fixincl.sh: Don't install assert.h.
1334 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1336 * i386.md: Add two peepholes to clean up code generated by
1339 2001-05-16 Richard Henderson <rth@redhat.com>
1341 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1342 variants of non-absolute encodings.
1344 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1346 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1347 __register_frame_info_table_bases): Export.
1349 Wed May 16 13:38:21 2001 Jeffrey A Law (law@cygnus.com)
1351 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1354 2001-05-16 Richard Henderson <rth@redhat.com>
1356 * except.c (eh_data_format_name): Move to ...
1357 * dwarf2asm.c: ... here. Use designated initializers if available.
1358 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1359 * dwarf2asm.h: Update declarations.
1360 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1361 ASM_PREFERRED_EH_DATA_FORMAT.
1362 (output_call_frame_info): Likewise. Use 'L' augmentation for
1365 * unwind-dw2-fde.h (struct fde_vector): New.
1366 (struct old_object): Rename from struct object.
1367 (struct object): New.
1368 (__register_frame_info_bases): Declare.
1369 (__register_frame_info_table_bases): Declare.
1370 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1371 * unwind-dw2-fde.c (objects): Remove.
1372 (unseen_objects, seen_objects): New.
1373 (__register_frame_info_bases): New.
1374 (__register_frame_info): Use it.
1375 (__register_frame_info_table_bases): New.
1376 (__register_frame_info_table): Use it.
1377 (__deregister_frame_info): Rewrite for changed object struct.
1378 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1379 (fde_unencoded_compare): Rename from fde_compare; uninline.
1380 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1381 (start_fde_sort): Adjust for new definition of fde_vector.
1382 (fde_insert): Likewise.
1383 (end_fde_sort): Likewise. Select comparison function based
1384 on properties of the object.
1385 (fde_split): Take object and fde_compare_t arguments.
1386 (frame_heapsort, fde_merge): Likewise.
1387 (classify_object_over_fdes): Rename from count_fdes. Handle
1388 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1390 (add_fdes): Handle encoded pointers.
1391 (init_object): Rename from frame_init. Update for new struct object.
1392 (linear_search_fdes): Rename from search_fdes. Handle encoded
1394 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1395 (binary_search_single_encoding_fdes): New.
1396 (binary_search_mixed_encoding_fdes): New.
1397 (search_object): New.
1398 (_Unwind_Find_FDE): Update for new struct object. Fill in
1400 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1401 iterating over EH data.
1402 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1403 fde_encoding, lsda_encoding.
1404 (read_uleb128, read_sleb128): Remove.
1405 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1406 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1407 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1409 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1411 2001-05-16 Andreas Jaeger <aj@suse.de>
1413 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1415 * toplev.c: Include dwarf2asm.h for prototype of
1416 dw2_output_indirect_constants.
1418 2001-05-16 Richard Henderson <rth@redhat.com>
1420 2001-03-08 Richard Henderson <rth@redhat.com>
1421 * configure.in (HAVE_AS_LEB128): New assembler check.
1422 * configure, config.in: Rebuilt.
1424 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1426 * doc/install.texi: Update AIX information.
1427 * README.RS6000: Remove obsolete file.
1429 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1431 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1433 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1434 Nathan Sidwell <nathan@codesourcery.com>
1436 * gcc.c (give_switch): Don't write before start of string.
1437 Always append suffix.
1439 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1441 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1444 2001-05-16 Dean Wakerley <dean@wakerley.com>
1446 * doc/install.texi: New file. Converted to texinfo from the HTML
1447 documentation in wwwdocs/htdocs/install.
1449 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1451 * README.ALTOS: Remove obsolete file.
1453 Tue May 15 22:12:41 2001 Jeffrey A Law (law@cygnus.com)
1455 * flow.c (life_analysis): After life analysis is complete, do
1456 an optional scan over insns looking for REG_LABEL notes that
1457 reference a deleted label.
1458 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1459 before peeking at LABEL_NUSES.
1461 2001-05-15 Richard Henderson <rth@redhat.com>
1463 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1464 (_Unwind_GetTextRelBase): New.
1466 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1468 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1470 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1472 * gthr-posix.h: Make additional pthread-* functions weak.
1474 2001-05-14 Richard Henderson <rth@redhat.com>
1476 * configure.in (gcc_cv_as_eh_frame): New test.
1477 * config.in, configure: Rebuild.
1478 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1480 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1482 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1483 for RETURNS as well.
1484 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1485 extended precision divide.
1487 2001-05-14 Andrew Haley <aph@redhat.com>
1489 * reload1.c (copy_eh_notes): New function.
1490 (emit_input_reload_insns): Call it.
1491 (emit_output_reload_insns): Call it.
1493 * emit-rtl.c (try_split): Copy EH notes to sequence.
1495 2001-05-14 Richard Henderson <rth@redhat.com>
1497 2001-04-12 Richard Henderson <rth@redhat.com>
1498 * Makefile.in (regmove.o): Depend on except.h.
1499 * regmove.c: Include it.
1501 Mon May 14 08:57:23 2001 Jeffrey A Law (law@cygnus.com)
1503 * config/pa/som.h (NM_FLAGS): Remove.
1504 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1505 (ASM_OUTPUT_SECTION_NAME): Remove.
1506 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1508 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1510 * regrename.c (regrename_optimize): Do not rename registers to
1513 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1515 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1516 contain MEMs. Remove useless distinction about clobbering
1519 2001-05-13 Richard Henderson <rth@redhat.com>
1521 2001-03-28 Richard Henderson <rth@redhat.com>
1522 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1523 not TARGET_TOC for special toc restore handling.
1524 * config/rs6000/rs6000.md (eh_return): Likewise.
1526 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1528 * tm.texi (THREAD_MODEL_SPEC): Document it.
1529 * gcc.c (main): Use it.
1530 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1531 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1533 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1535 * rtl.h (SYMBOL_REF_WEAK): New macro.
1536 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1537 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1538 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1539 * gcc.texi: Remove wrong description.
1541 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1543 * stringpool.c (xxx, yyy): Remove.
1544 (get_identifier): Don't set them.
1546 * Makefile.in (STAMP): New macro.
1547 Replace all uses of `touch' with $(STAMP).
1548 * fixinc/Makefile.in: Likewise.
1550 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1552 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
1554 2001-05-12 Richard Henderson <rth@redhat.com>
1556 EH merge from mainline, continued.
1558 2001-05-12 Richard Henderson <rth@redhat.com>
1559 * dwarf2asm.c (size_of_encoded_value): New function.
1560 * dwarf2asm.h: Declare it.
1561 * except.c (output_function_exception_table): Align the TType
1562 array only as wide as the encoding.
1564 2001-05-11 Richard Henderson <rth@redhat.com>
1565 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1566 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1567 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1568 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1569 (dw2_output_indirect_constants): Prototype.
1570 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1571 current_function_func_begin_label if we'll need it for EH. Exit
1572 early for IA64_UNWIND_INFO.
1573 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1574 (eh_data_format_name): Update for indirect references.
1575 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1576 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1577 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1578 define HAVE_eh_return etc.
1579 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1580 (final_end_function): Don't call output_function_exception_table.
1581 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1582 (rest_of_compilation): Invoke output_function_exception_table
1583 for ia64 before assemble_end_function.
1584 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1585 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1587 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1588 * unwind.h: Declare them.
1589 * libgcc-std.ver: Export them.
1590 * unwind-pe.h: New file.
1592 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1594 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1596 (find_fde_for_dso): Extract DT_PLTGOT.
1597 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1598 the segment and gp as well.
1599 * config/ia64/frame-ia64.c: Remove file.
1600 * config/ia64/frame-ia64.h: Remove file.
1601 * config/ia64/unwind-ia64.c: New file.
1602 * config/ia64/unwind-ia64.h: New file.
1603 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1604 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1605 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1606 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1607 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1608 (IA64_UNWIND_INFO): Re-enable.
1609 (HANDLER_SECTION): Remove.
1610 (EH_RETURN_DATA_REGNO): New.
1611 * config/ia64/ia64.md (exception_receiver): Remove.
1612 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1613 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1615 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1616 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1617 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1619 2001-05-05 Richard Henderson <rth@redhat.com>
1620 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1621 to the parent of the fixup region.
1623 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1624 * except.c (expand_eh_region_start): Don't start a new block.
1625 (expand_eh_region_end): Don't end a block.
1626 * stmt.c (expand_end_bindings): Don't end EH blocks.
1627 (expand_decl_cleanup): Starting an EH region won't change the block.
1628 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1629 (is_eh_region): Lose.
1632 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1633 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1635 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1636 * except.c (get_exception_filter): word_mode, not Pmode.
1638 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1639 * except.c (expand_eh_region_end_cleanup): Force pending stack
1640 adjust before emitting label that branches around cleanup code.
1642 2001-04-25 Richard Henderson <rth@redhat.com>
1643 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1644 of registers to restore along non eh_return path.
1646 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1647 * except.c (reachable_handlers): Step out one level from a RESX.
1649 * except.c (struct eh_region): Rename 'last' to 'resume'.
1650 (mark_eh_region, duplicate_eh_region_1): Adjust.
1651 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1652 (build_post_landing_pads): Likewise.
1653 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1654 (expand_eh_region_end_must_not_throw): Likewise.
1655 (connect_post_landing_pads): Thread (only) regions with non-deleted
1658 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1659 registers around the cleanup.
1660 (get_exception_filter): New fn.
1661 (finish_eh_generation): Use it.
1663 2001-04-03 Richard Henderson <rth@redhat.com>
1664 * rtl.h (LCT_THROW): New.
1665 * calls.c (emit_library_call_value_1): Handle it.
1666 * except.c (connect_post_landing_pads): Use it.
1668 2001-03-28 Richard Henderson <rth@redhat.com>
1669 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1670 * except.h: Likewise.
1672 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1673 (LIB2ADDEHDEP): New.
1674 (LIB2FUNCS_EH): Remove.
1675 (LIB2ADD): Remove LIB2ADDEH.
1676 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1677 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1678 (crt{begin,end}[S].o): Likewise.
1679 (except.o): Update includes.
1680 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1681 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1683 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1684 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1685 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1686 * builtins.c (expand_builtin): Implement it.
1687 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1688 * c-common.c (c_common_nodes_and_builtins): Declare it.
1689 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1690 * calls.c (libfunc_nothrow): Remove.
1691 (emit_library_call_value_1): Don't call it.
1692 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1693 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1694 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1695 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1696 (current_funcdef_number): Globalize.
1697 (output_call_frame_info): Emit frame data if an lsda is needed.
1698 Generate augmentation for personality routine. Don't play with
1700 (dwarf2out_begin_prologue): Record funcdef_number.
1701 * dwarf2out.h (current_funcdef_number): Declare.
1702 * expr.c (expand_expr): Update for except.h name changes.
1703 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1704 * expr.h (LTI_throw, LTI_rethrow): Remove.
1705 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1706 (LTI_eh_rtime_match): Remove.
1707 (LTI_unwind_resume, LTI_eh_personality): Add.
1708 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1709 * final.c (final): Don't call check_exception_handler_labels,
1710 init_insn_eh_region, or free_insn_eh_region.
1711 (final_scan_insn): Always emit debug labels for
1712 NOTE_INSN_EH_REGION notes.
1713 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1714 (record_active_eh_regions): Remove.
1715 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1716 Use can_throw_internal.
1717 (find_basic_blocks_1): Likewise.
1718 (move_stray_eh_region_notes): Remove.
1719 (find_label_refs): No eh_return_stub_label.
1720 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1721 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1723 (delete_unreachable_blocks): Don't track deleted handlers.
1724 (flow_delete_block): Use maybe_remove_eh_handler.
1725 (delete_eh_regions): Remove.
1726 (merge_blocks): Don't check for eh region match.
1727 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1728 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1729 (init_propagate_block_info): Disable dead frame store optimization
1730 when current_function_calls_eh_return.
1731 (dump_bb): Don't print eh_beg, eh_end.
1732 * function.c (fixup_var_refs): No catch_clauses.
1733 (expand_function_end): Likewise. Call expand_eh_return before
1734 the return register use. Call sjlj_emit_function_exit_after.
1735 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1736 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1737 * ifcvt.c (dead_or_predicable): Remove eh region check.
1738 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1739 Don't check for EH vs parameters.
1740 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1741 (expand_inline_function): Call duplicate_eh_regions.
1742 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1743 (copy_insn_notes): Remap REG_EH_REGION notes.
1744 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1745 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1746 check_exception_handler_labels, nor exception_optimize.
1747 (find_cross_jump): No EH region check.
1748 * optabs.c (init_optabs): Update for changed eh libfuncs.
1749 * rtl.def (RESX): New.
1750 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1751 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1752 checks. Update for except.h name changes.
1753 (expand_cleanups): Likewise.
1754 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1755 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1756 (compile_file): Call init_eh before init_optabs. Don't
1757 output_exception_table here.
1758 (rest_of_compilation): Call convert_from_eh_region_ranges,
1759 convert_to_eh_region_ranges, output_function_exception_table.
1760 Don't emit_eh_context.
1761 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1762 (EXC_PTR_EXPR): New.
1764 * md.texi (eh_epilogue): Remove.
1765 (eh_return): Document.
1766 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1767 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1769 * eh-common.h: Remove file.
1770 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1771 * libgcc2.c (L_eh): Remove.
1773 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1774 * unwind-dw2-fde.h: New file.
1775 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1776 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1777 * libgcc-std.ver: Update for eh symbols.
1779 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1780 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1781 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1782 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1783 (EH_RETURN_DATA_REGNO): New.
1784 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1785 * config/alpha/alpha.md (eh_epilogue): Remove.
1786 (exception_receiver): Use $26 for ldgp input.
1787 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1789 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1790 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1791 True for pic register if current_function_calls_eh_return.
1792 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1793 Handle eh_return requirements.
1794 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1795 (EH_RETURN_STACKADJ_RTX): New.
1796 * config/i386/i386.md (exception_receiver): Remove.
1797 (eh_return, eh_return_1): New.
1798 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1800 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1801 for eh_return data registers.
1802 (rs6000_emit_prologue): Save eh_return data registers.
1803 (rs6000_emit_epilogue): Force inline restores if eh_return.
1804 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1805 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1806 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1807 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1808 the target uses one.
1809 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1810 (return_eh_si, return_eh_di): Remove.
1811 (eh_return): New, from corpse of eh_epilogue.
1812 (eh_set_lr_si, eh_set_lr_di): New.
1814 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1815 current_function_calls_eh_return.
1816 (output_function_epilogue): Handle eh_return.
1817 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1818 (EH_RETURN_DATA_REGNO): New.
1819 (EH_RETURN_STACKADJ_RTX): New.
1820 (EH_RETURN_HANDLER_RTX): New.
1821 * config/sparc/sparc.md (call/short branch peepholes): Check
1822 can_throw_internal instead of in_same_eh_region.
1824 2001-03-17 Richard Henderson <rth@redhat.com>
1825 * dwarf2out.c (queue_reg_save): New.
1826 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1827 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1829 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1830 (cfa, cfa_store, cfa_temp): Make static.
1831 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1833 2001-03-16 Richard Henderson <rth@redhat.com>
1834 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1835 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1836 (dw2_asm_output_delta_uleb128): Likewise.
1837 (dw2_asm_output_delta_sleb128): Similarly.
1838 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1840 2001-03-15 Richard Henderson <rth@redhat.com>
1841 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1842 if provided by the target.
1843 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1844 (dw2_asm_output_addr): New.
1845 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1846 * dwarf2out.c (output_cfi): Use it for program addresses.
1847 (output_call_frame_info, output_die): Likewise.
1848 (output_aranges, output_line_info): Likewise.
1850 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1851 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1853 2001-03-02 Richard Henderson <rth@redhat.com>
1854 * Makefile.in (OBJS): Add dwarf2asm.o.
1855 * dwarf2asm.c, dwarf2asm.h: New files.
1856 * dwarf2out.c (*): Use them.
1857 (size_of_uleb128, size_of_sleb128): Remove.
1858 (output_uleb128, output_sleb128): Remove.
1859 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1860 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1861 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1862 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1863 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1864 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1865 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1866 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1867 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1868 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1869 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1870 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1871 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1872 (dwarf2out_frame_debug): Remove unused variables.
1873 (output_loc_operands): Don't abort on 8 byte constants if
1874 host integers are wide enough.
1875 (output_symbolic_ref): Remove.
1876 (size_of_die): Don't assume 4 byte host integers.
1877 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1879 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1880 something stupid with HOST_WIDE_INT to long truncation.
1881 [CONST_DOUBLE]: Likewise.
1883 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1884 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1885 * config/arm/unknown-elf.h: Likewise.
1886 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1887 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1888 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1889 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1890 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1891 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1892 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1893 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1894 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1895 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1896 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1897 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1899 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1900 * i386.c (ix86_frame): New structure.
1901 (ix86_compute_frame_size): Kill.
1902 (ix86_compute_frame_layout): New.
1903 (ix86_save_reg): New.
1904 (ix86_can_use_return_insn_p): Use frame layout stuff.
1905 (ix86_expand_prologue): Likewise.
1906 (ix86_expand_epilogue): Likewise.
1907 (ix86_initial_elimination_offset): Likewise.
1908 (ix86_nsaved_regs): Use ix86_save_reg.
1909 (ix86_emit_save_regs): Likewise.
1911 2001-05-12 Richard Henderson <rth@redhat.com>
1913 EH merge from mainline, parts 5 - 16.
1914 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1915 reduce false positives.
1916 (regmove_optimize): Disable if flag_non_call_exceptions.
1918 * stmt.c (expand_return): Remove always true predicate.
1919 (expand_decl_cleanup_no_eh): Remove dead code.
1921 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1922 barrier code. Add a scheduling barrier if a non-call insn
1923 can throw internally.
1925 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1926 Auto-inc addresses trap only if their base register does.
1928 * except.c (can_throw_internal): Rename from can_throw.
1929 * except.h, resource.c: Update references.
1931 * integrate.c (copy_insn_list): Use returnjump_p.
1932 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1934 * integrate.h (struct inline_remap): Add local_return_label.
1935 * integrate.c (expand_inline_function): Initialize it and emit
1936 it after copy_insn_notes.
1937 (copy_insn_list): Don't store local_return_label here.
1938 (copy_insn_notes): New function split out from copy_insn_list.
1940 * function.h (struct function): Move all boolean valued fields
1941 to single bit fields at the end of the struct.
1943 * flow.c (cleanup_cfg): Take no argument.
1944 * output.h, sibcall.c, toplev.c: Update all calls.
1946 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1947 (calculate_global_regs_live): Kill call-clobbered registers
1948 across exception edges.
1949 * reg-stack.c (convert_regs_1): Kill the entire target stack
1950 across non-call exception edges.
1952 * flags.h (flag_new_exceptions): Remove.
1953 * toplev.c: Don't set it.
1954 * final.c: Don't check it.
1955 * except.c: Provide stub definition.
1957 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1958 exceptions, put the note on the trapping instruction.
1960 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1961 value to target configuration header.
1962 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1963 * config.in, configure: Rebuild.
1964 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1965 configuration and target defines.
1966 (exceptions_via_longjmp): Remove.
1967 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1968 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1970 2001-05-12 Richard Henderson <rth@redhat.com>
1972 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1973 * mkconfig.sh (DEFINES): Handle entries with '='.
1975 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1976 * mkconfig.sh: Use a subshell with redirected stdout,
1977 instead of closing stdout and confusing commands that run
1978 afterward. Throw away output of cmp.
1980 2001-03-22 Richard Henderson <rth@redhat.com>
1981 * mkconfig.sh: Include insn-flags.h.
1982 * Makefile.in (CONFIG_H): Include insn-flags.h.
1983 (lots of objects): Remove insn-codes.h and insn-flags.h.
1985 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1986 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1987 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1988 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1989 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1990 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1991 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1992 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1993 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1994 v850/v850.c, vax/vax.c:
1995 Don't include insn-flags.h.
1997 * diagnostic.c, expr.h, reload.c, toplev.c:
1998 Don't include insn-codes.h.
2000 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2001 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2002 c4x/c4x.c, i960/i960.c, mips/mips.c:
2003 Don't include insn-codes.h or insn-flags.h.
2005 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2006 or insn-flags.h in the generated code.
2007 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2008 (main): Forward declare struct rtx_def.
2010 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
2011 * configure.in: Prune nonexistent files from build_xm_file,
2012 xm_file, and host_xm_file lists. Warn unless they're
2014 Don't generate *config.h here.
2015 AC_SUBST all variables needed to generate *config.h.
2016 * mkconfig.sh: New helper script, from code removed from
2018 * Makefile.in: Substitute in variables needed to generate *config.h.
2019 Stop lying about the dependencies contained in CONFIG_H and
2021 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2022 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2023 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2024 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2025 $(TM_P_H), etc. as appropriate.
2027 2001-05-12 Richard Henderson <rth@redhat.com>
2029 EH merge from mainline, parts 1 - 4.
2030 * gthr-single.h (UNUSED): New. Distinguish between how C
2031 and C++ mark unused function arguments. Use throughout.
2033 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2035 Rename asynchronous_exceptions to flag_non_call_exceptions.
2036 * except.h (flag_non_call_exceptions): Move ...
2037 * flags.h: ... here.
2039 * rtl.h (LCT_NORETURN): New.
2040 * calls.c (emit_library_call_value_1): Handle it.
2042 * function.c (expand_function_start): Set DECL_REGISTER on
2043 a pseudo used for DECL_RESULT.
2045 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2047 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2048 about files not ending in newlines.
2050 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2052 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2053 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2055 2001-05-11 Richard Henderson <rth@redhat.com>
2057 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2058 calls and jumps to be bundled together.
2059 (ia64_reorg): Emit a break after a noreturn call that ends
2061 * config/ia64/ia64.md (break_f): New.
2063 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2065 * regmove.c (regmove_optimize): Suppress the optimization for
2066 unchanging destination register. Add comment above function.
2068 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2070 * loop.h (struct movables): Remove `num'.
2071 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2072 Adjust call to strength_reduce.
2073 (num_unmoved_movables): New function.
2074 (move_movables): Don't set movables->num.
2075 (strength_reduce): Compute the number of instructions in the loop
2076 here, rather than in the caller.
2077 (check_dbra_loop): Always clear reversible_mem_store if there
2078 are any memory sets.
2079 (loop_regs_scan): Don't count instructions here.
2080 (count_insn_in_loop): New function.
2082 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2084 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2086 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2087 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2089 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
2091 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2092 a computed jump into an unconditional jump.
2093 In second hunk of code for collapsing computed and conditional jumps
2094 into unconditional jumps, reemit the jump in additional cases.
2096 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2098 * expr.c (emit_group_load): extract_bit_field requires a REG or
2101 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2103 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2104 contents for a SYMBOL_REF in case of floating point constants.
2106 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2108 * cppinit.c (cpp_post_options): Shut off macro expansion if
2110 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2111 IN_I directives only if the # is in column 1 and the directive
2112 name begins in column 2.
2113 * cppmain.c (scan_buffer): Insert a space between # and an
2114 identifier, when that identifier is a directive name.
2116 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2117 in the header search path.
2118 (enum node_type): Add T_INCLUDE_NEXT.
2119 (directive_table): Add entry for include_next.
2120 (do_include_next): New function.
2121 (process_include): New routine, broken out of do_include.
2122 (finclude): Insert 'nhd' argument, to be copied into
2123 next_header_dir of the new buffer.
2124 (main): Adjust to match.
2125 * gsyslimits.h, limity.h: Un-indent #include_next.
2127 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2129 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2130 inclusion as a chapter of the GCC manual.
2131 * gcc.texi: Include objc.texi.
2132 * fdl.texi: Use @unnumberedsec for the addendum.
2133 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2135 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2137 * pa.md (interspace_jump): Revise comment.
2138 (builtin_longjmp): Block initial setup insns from delay slot of
2140 (builtin_setjmp_receiver): New expander to save and restore PIC
2143 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2145 2001-05-07 Mark Mitchell <mark@codesourcery.com>
2147 * gcc.texi: Remove references to CHILL.
2148 * invoke.texi: Likewise.
2149 * install.texi: Likewise.
2151 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2153 * Makefile.in (tradcpp0): Correct typo in dependency list.
2155 2001-05-06 Andreas Jaeger <aj@suse.de>
2157 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2158 (i386 Options): Document -momit-leaf-frame-pointer.
2160 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
2162 * dwarf2out.c (output_line_info): Fix typo.
2164 2001-05-05 Richard Henderson <rth@redhat.com>
2166 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2168 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2170 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2171 between X and Y by using sequences of xgdx and xgdy.
2173 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2175 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2176 of '!' for the 'D' alternative ('!' is too strong).
2177 ("*logicalsi3_silshl16"): Likewise.
2178 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2179 ("movstrictsi"): Remove spurious '+'.
2180 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2181 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2182 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2185 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2187 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2189 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2191 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
2193 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2195 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2196 soft register, use ror instead of rol.
2198 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2200 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2201 into account pre/post increment decrement for 68HC12.
2202 Fix other problems in replacement and fix call to reg_mentioned_p.
2204 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2206 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2207 Put the soft registers in bss for 68HC12.
2208 (L_regs_d3_4): New for _.d3 and _.d4.
2209 (L_regs_d5_6): Likewise.
2210 (L_regs_d1_2): Likewise.
2211 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2213 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2215 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2216 to the pre-processor when -fshort-double is specified.
2217 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2219 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2221 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2222 (__mulsi3): Rewrite for 68HC12.
2223 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2224 Mark 'x' constraint with earlyclobber to prevent a
2225 RELOAD_FOR_OTHER_ADDRESS to go in it.
2226 (mulhi3_m68hc12): New pattern.
2227 (mulhi3_m68hc11): Rename of mulhi3.
2228 (mulhi3): New expand for 68HC12 optimisation.
2229 (umulhisi3, mulhisi3): New patterns for 68HC12.
2231 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2233 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2234 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2235 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2237 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2239 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2240 constants cheap after reload.
2241 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2243 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2244 so that gcc prefers a shift by 16.
2245 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2247 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2249 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2250 (CPP_SPEC): Conditionally define MSDOS and GO32.
2251 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2252 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2254 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2256 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * hash.c (hash_lookup): Likewise.
2260 * hash.h (hash_lookup): Likewise.
2262 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2264 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2266 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
2267 crtbeginS.o and crtendS.o with PIC.
2269 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2271 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2273 ("bitcmpqi2"): New pattern for bit-extract and test.
2274 ("bitcmphi"): New pattern for bitb/bita instructions.
2276 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2278 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2280 (INITIALIZE_TRAMPOLINE): Call it.
2281 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2282 (TRAMPOLINE_TEMPLATE): Remove.
2283 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2284 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2287 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2289 * gccbug.in: Use a temporary directory when the mktemp command is
2292 2001-05-03 David Edelsohn <edelsohn@gnu.org>
2294 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
2295 reported by David O'Brien <obrien@FreeBSD.org>.
2297 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2299 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2300 * integrate.c (expand_inline_function): Use xcalloc to allocate
2302 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2305 2001-05-02 Geoff Keating <geoffk@redhat.com>
2307 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2308 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2309 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2310 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2311 ctrdi_internal6): In the short-branch case, this insn is only 4
2312 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2314 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2315 (setup_incoming_varargs): Remove warning.
2317 * config/rs6000/rs6000.c (validate_condition_mode): When
2318 flag_fast_math, allow floating-point conditionals to be reversed.
2319 (rs6000_generate_compare): When flag_fast_math, don't generate
2320 cror operations for FP conditionals.
2322 2001-05-02 Dale Johannesen <dalej@apple.com>
2324 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2326 (STRICT_ARGUMENT_NAMING): Define.
2327 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2328 function_arg_partial_nregs, setup_incoming_varargs): Remove
2329 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2332 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2334 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2337 * expr.c (store_field): Do nothing except elaborate side-effects if
2340 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
2342 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2343 constant pool, use the pool's SYMBOL_REF instead.
2345 2001-05-01 Per Bothner <per@bothner.com>
2347 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2348 call do_pending_stack_adjust before emiting label.
2350 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2352 * extend.texi: Fix typo.
2354 2001-05-01 Stan Shebs <shebs@apple.com>
2356 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2357 of UOBJC_MODULES_decl.
2358 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2359 (generate_descriptor_table): Ditto.
2360 (generate_protocols): Ditto.
2361 (generate_protocol_list): Ditto.
2362 (generate_classref_translation_entry): Ditto.
2364 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2366 * ChangeLog (2001-02-21): Remove erroneous entry.
2367 * gcc.c (cc1_options): Add "-param".
2368 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2369 (option_map): Likewise.
2370 (display_help): Add "--param" to 'other' options.
2371 * invoke.texi (Optimize Options): Add documentation for `--param
2372 max-delay-slot-insn-search' and `--param
2373 max-delay-slot-live-search' and reorder --param section.
2374 * params.def: Modify initial comment.
2375 * params.h (param_info): Add `help' member.
2376 * toplev.c (lang_independent_params): Include `help' description.
2377 (display_help): Print --param parameters.
2378 (independent_decode_option): Fix typographical error.
2380 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2382 * c-tree.texi (USING_STMT): Document.
2384 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2385 Richard Henderson <rth@redhat.com>
2387 * extend.texi: Improve documentation of volatile asms.
2389 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2391 * c-tree.texi: Fix thinko.
2392 * gcc.texi: Likewise.
2394 2001-04-30 Richard Henderson <rth@redhat.com>
2396 * c-common.c (c_promoting_integer_type_p): New function, from the
2397 corpse of old macro. Properly promote too-small enumerations and
2398 booleans. Adjust all callers.
2399 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2400 (c_promoting_integer_type_p): Declare.
2401 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2402 * c-typeck.c: Likewise.
2403 (default_conversion): Remove now redundant boolean check.
2405 2001-04-30 Jan Hubicka <jh@suse.cz>
2406 Richard Henderson <rth@redhat.com>
2408 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2410 (combine_stack_adjustments_for_block): Don't combine stack
2411 allocation followed by deallocations. Handle grow-up stacks.
2413 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2415 * fdl.texi: New file.
2416 * c-tree.texi: Use the GFDL.
2417 * gcc.texi: Likewise.
2419 2001-04-30 Stan Shebs <shebs@apple.com>
2421 * invoke.texi: Add a section documenting Objective-C options.
2423 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2425 * regmove.c (record_stack_memrefs): Catch all references to the
2428 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2430 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
2433 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2435 * extend.texi (extended asm): Fix typo.
2437 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
2439 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2440 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2441 into the constant pool.
2442 * jump.c (jump_optimize_1): Remove barrier successors after all
2443 the LABEL_NUSES counds have been computed.
2444 (delete_barrier_successors): When deleting a tablejump insn, also
2445 delete the jump table it uses.
2446 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2449 2001-04-28 Andreas Jaeger <aj@suse.de>
2451 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2453 * extend.texi: Likewise.
2455 2001-04-28 Andreas Jaeger <aj@suse.de>
2457 * md.texi: Use XX-bit instead of XXbit or XX bit where
2460 2001-04-28 Andreas Jaeger <aj@suse.de>
2461 Richard Henderson <rth@redhat.com>
2463 * md.texi (Machine Constraints): Fix description of "A" for
2466 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2468 * collect2.c (main): Add `-L' case to remove duplicate entries.
2469 (is_in_args): New function to check for a duplicate argument.
2470 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2471 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2472 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2473 Define to be nonzero.
2475 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
2477 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2479 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2481 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2482 common to other movsf patterns. Move up so that in future
2483 people who change the other patterns will change it too.
2484 (movsf_lo_sum): Allow even for soft-float; add appropriate
2486 (movsf_high): Likewise.
2487 (movsf_high+1): Allow even for soft-float.
2489 2001-04-26 Mark Mitchell <mark@codesourcery.com>
2491 * invoke.texi: Document more C++ command-line options.
2493 2001-04-26 H.J. Lu (hjl@gnu.org)
2495 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2497 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2499 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2500 (ASM_OUTPUT_SECTION_NAME): Likewise.
2501 (ASM_WEAKEN_LABEL): Likewise.
2502 (UNIQUE_SECTION): Likewise.
2503 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2504 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2505 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2506 (ASM_OUTPUT_SECTION_NAME): Likewise.
2507 (ASM_WEAKEN_LABEL): Likewise.
2508 (UNIQUE_SECTION): Likewise.
2509 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2510 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2511 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2512 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2513 (ASM_FILE_START): Likewise.
2514 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2515 (ASM_DECLARE_OBJECT_NAME): Likewise.
2516 (ASM_FILE_END): Likewise.
2517 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2518 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2519 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2520 (ASM_OUTPUT_CASE_LABEL): Likewise.
2521 (ASM_OUTPUT_SKIP): Likewise.
2522 (ASM_OUTPUT_ASCII): Likewise.
2523 (ASM_OUTPUT_IDENT): Likewise.
2524 (READONLY_DATA_SECTION): Likewise.
2525 (EXTRA_SECTIONS): Likewise.
2526 (EXTRA_SECTION_FUNCTIONS): Likewise.
2527 (SELECT_RTX_SECTION): Likewise.
2528 (SELECT_SECTION): Likewise.
2530 * config/mips/linux.h (INVOKE__main): Undefine.
2531 (CTOR_LIST_BEGIN): Likewise.
2532 (CTOR_LIST_END): Likewise.
2533 (DTOR_LIST_BEGIN): Likewise.
2534 (DTOR_LIST_END): Likewise.
2535 (SET_ASM_OP): Defined it to ".dummy".
2536 (ASM_OUTPUT_DEF): Defined.
2537 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2539 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2541 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2543 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2545 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2548 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2550 * configure.in (configargs.h): Define thread_model.
2551 * configure: Rebuilt.
2552 * gcc.c (main): Print it with -v.
2554 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2556 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2557 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2558 * gcc.1: Regenerate.
2560 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2562 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2563 is_redundant_typedef): Use static inline instead of inline static.
2565 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2567 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2568 this directory is always searched.
2570 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2572 * loop.c (try_swap_copy_prop): Go back to checking insn.
2574 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2576 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2577 out and comparison sequence has been detected, put result into
2578 proper temporary pseudo.
2580 2001-04-24 Mark Mitchell <mark@codesourcery.com>
2582 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
2583 section after emitting information.
2585 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2587 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2588 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2589 * libgcc2.c: Remove __dummy and __empty functions, and all
2590 code for __builtin_saveregs.
2591 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
2592 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2593 for future reference.
2595 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2597 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2598 passing nested NOP_EXPRs to fold.
2600 2001-04-23 Mark Mitchell <mark@codesourcery.com>
2602 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
2603 if the decl is abstract.
2604 (add_bound_info): Don't try to get the location of an abstract
2607 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2609 * loop.c (loop_delete_insns): Add prototype.
2611 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2613 * flow.c (proagate_one_insn): Remove useless assignment.
2614 * jump.c (delete_insn): Tidy.
2615 * loop.c (try_copy_prop): When deleting an instruction with a
2616 REG_RETVAL note, delete the entire libcall sequence.
2617 (loop_delete_insns): New function.
2618 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2619 we're not substituting into them yet.
2621 2001-04-21 Kazu Hirata <kazu@hxi.com>
2623 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2625 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2627 * config/i960/i960.c (signed_arith_operand): Likewise.
2629 * calls.c (expand_call): Fix a comment typo.
2631 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
2633 * config/pa/som.h (NM_FLAGS): Define.
2635 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2637 * ia64.c (ia64_flag_schedule_insns2): New variable.
2638 (ia64_override_options): Initialize it. Clear
2639 flag_schedule_insns_after_reload.
2640 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2642 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
2644 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2645 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2647 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2648 name at 32 total characters.
2649 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2650 functions in named sections -- data items can still go into unique
2651 sections, but they have normal names (ie $LIT$ and $DATA$).
2653 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2656 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2658 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2659 that language-independent processing should not be done.
2660 * toplev.c (main): Adjust accordingly.
2662 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2663 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2665 * mips.md (reload_outputdi): Require that operand0 be a
2668 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2670 * invoke.texi (-Wshadow): Clarify.
2672 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2674 * loop.c (load_mems): Examine all the instructions in the loop
2675 before concluding that all jumps branch to the first instruction
2678 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2680 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2682 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2684 * cpp.texi (-Wwhite-space): Remove.
2685 (-Wall): -Wall does not imply -Wwhite-space.
2687 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2689 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2690 use it instead of blindly generating a .stabs.
2691 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2693 * xcoffout.c: Don't bother defining default for N_CATCH.
2694 (UNKNOWN_STAB): Use internal_error.
2695 (stab_to_sclass): Remove now-unnecessary aborts.
2696 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2698 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
2700 * jump.c (mark_all_labels): Canonicalize the tail recursion
2701 label attached to CALL_PLACEHOLDER insns.
2703 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2705 * dbxout.c (N_OPT): Define if not available from <stab.h>
2707 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2709 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2710 libraries and native K&R compilers.
2712 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * c-typeck.c (convert_arguments): Don't check for width changes
2717 * invoke.texi (-Wtraditional): Update documentation.
2719 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2721 * toplev.c (output_lang_identify): Delete.
2722 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2723 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2724 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2725 after calling ASM_FILE_END.
2727 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2728 Instead, unconditionally emit an N_OPT stab with string equal
2729 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2731 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2733 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2734 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2735 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2736 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2737 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2738 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2739 config/i370/i370.h, config/i386/beos-elf.h,
2740 config/i386/osf1elf.h, config/i386/osfrose.h,
2741 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2742 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2743 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2744 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2745 config/mips/iris6.h, config/mips/osfrose.h,
2746 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2747 config/sparc/sp64-elf.h:
2748 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2749 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2751 * config/elfos.h, config/freebsd.h, config/linux.h,
2752 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2753 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2754 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2755 of ASM_FILE_START which merely emit a .version directive. Delete
2756 definitions of ASM_FILE_END which merely emit an .ident directive.
2758 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2759 ASM_IDENTIFY_GCC and move part of its logic into
2762 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2763 config/sparc/linux-aout.h: Don't emit .version directive in
2766 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2767 (output_file_start): Correct comment.
2769 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2770 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2772 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2773 * config/rs6000/aix.h: Correct comment.
2775 * config/i386/i386afe.h: Delete.
2776 * config.gcc: Remove references to i386afe.h.
2778 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2779 other macros deleted by this patch were undocumented.
2781 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
2783 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2785 * pa.c (secondary_reload_class): SAR<->FP copies require a
2788 * install.texi (mips-mips-bsd): Update list of functions
2789 required to include memmove.
2790 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2791 used functions to include memmove.
2793 2001-04-15 Mark Mitchell <mark@codesourcery.com>
2795 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2798 2001-04-15 Jim Wilson <wilson@redhat.com>
2800 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2802 2001-04-13 Jim Wilson <wilson@redhat.com>
2804 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2805 (first_instruction): New static variable.
2806 (rtx_needs_barrier): Return 1 for alloc.
2807 (init_insn_group_barriers): Set first_instruction.
2808 (rws_sum): Delete duplicate definition.
2809 (group_barrier_needed_p): Return 0 when first_instruction true.
2810 (safe_group_barrier_needed_p): Save and restore first_instruction
2811 around group_barrier_needed_p call.
2813 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
2815 * expr.h (enum libfunc_index): Add LTI_memmove.
2816 (memmove_libfunc): Define macro.
2817 * optabs.c (init_optabs): Initialize memmove_libfunc.
2818 * expr.c (expand_assignment): Use memmove_libfunc instead of
2821 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2823 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2826 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2828 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2829 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2830 MAKEINFO and MAKEINFOFLAGS too.
2831 (stage4_build): Correctly order -B flags.
2833 2001-04-12 Jim Wilson <wilson@redhat.com>
2835 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2836 to just emit an fnorm.
2838 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2840 * invoke.texi: Document --param max-gcse-memory.
2842 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2844 * sh.md (builtin_setjmp_receiver): New expander.
2846 2001-04-12 Kelley Cook <kelley.cook@home.com>
2848 * config-lang.in (lang_dirs): Add in zlib.
2850 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2852 * dwarf2out.c (modified_type_die): Don't create new types here.
2853 * tree.h (get_qualified_type): New function.
2854 (build_qualified_type): Adjust comment.
2855 * tree.c (get_qualified_type): New function.
2856 (build_qualified_type): Use it.
2858 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2860 * cpp.texi (-Wtraditional): Update description.
2862 * invoke.texi (-Wtraditional): Likewise.
2864 2001-04-11 Jim Wilson <wilson@redhat.com>
2866 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2867 requires more than 64 bits of alignment.
2869 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2871 * cpplib.c (do_line): Sanity check iff enable checking.
2873 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2875 * Makefile.in (gcse.o): Depend on params.h.
2876 * gcse.c: Include params.h.
2877 (gcse_main): Don't do GCSE if doing so will take inordinate
2879 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2880 * params.h (MAX_GCSE_MEMORY): New macro.
2882 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2884 * c-typeck.c (convert_arguments): -Wtraditional now activates
2885 -Wconversion warnings, except for changes in signed-ness.
2886 Detect complex<->int & int<->complex conversions as well.
2888 * invoke.texi (-Wtraditional): Document it.
2890 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2892 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2894 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
2896 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2898 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2899 * varasm.c (CHKR_PREFIX): Likewise.
2901 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2903 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2905 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2907 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2908 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2909 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2910 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2911 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2913 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
2915 * configure.in: Add check for lstat.
2916 * configure, config.in: Regenerate.
2917 * cppinit.c (append_include_chain): Make empty path ".".
2918 * cpplib.c (do_line): Don't simplify #line paths.
2919 * cppfiles.c (remove_component_p): New function.
2920 (find_or_create_entry): Acknowledge stat () errors during
2921 path simplification.
2922 (handle_missing_header): Don't simplify paths.
2923 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2924 the empty path untouched. Don't leave a trailing '/'.
2926 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2928 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2929 function. Remove include of sys/cygwin.h.
2931 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2933 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2934 (CPP_SPEC): Always search */include/w32api for header files.
2935 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2936 (LINK_SPEC): Add "cyg" to the library search prefixes.
2938 2001-04-08 Philip Blundell <philb@gnu.org>
2940 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2942 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2944 * cpperror.c (print_location): Don't special case <stdin>.
2945 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2946 WARNING, but we don't check if we're in system headers.
2947 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
2948 * cpplib.c (do_warning): Warn in system headers.
2949 (cpp_push_buffer): Give stdin buffers the name <stdin>.
2951 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2953 * mbchar.c: Include config.h first.
2955 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2957 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2959 2001-04-05 Benjamin Kosnik <bkoz@redhat.com>
2961 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2962 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2964 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2966 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
2969 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2971 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2972 all labels present in rtx.
2973 (try_split) Call new function for all split insns.
2975 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
2977 * cppfiles.c (open_file): Fail directories silently, but
2978 with an errno of NOENT set.
2979 (read_include_file): Move the common exit code to the sole
2980 caller. Return an int indicating success or failure. Let
2981 open_file handle directories.
2982 (stack_include_file): If read_include_file fails,
2983 push a "null" buffer.
2985 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2987 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2988 when folding integer division and modulo operations.
2990 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2992 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2993 push insns to delete to it instead of deleting them.
2994 (delete_null_pointer_checks): Delete insns from delete_list after
2995 all delete_null_pointer_checks_1 passes are done.
2997 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2999 * configure.in (target_subdir): Use target_alias, not target.
3000 * configure: Rebuilt.
3002 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3004 * config/sh/crti.asm: Fix typos in comments.
3006 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3008 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3009 LO_SUM cases to where they belong.
3011 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3013 * ifcvt.c (noce_emit_move_insn): New.
3014 (noce_try_store_flag, noce_try_store_flag_constants,
3015 noce_try_store_flag_inc, noce_try_store_flag_mask,
3016 noce_try_cmove, noce_try_cmove_arith): Use it.
3017 (noce_process_if_block): Likewise.
3018 For STRICT_LOW_PART, take mode from its SUBREG.
3020 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3022 * fold-const.c (fold): Before optimizing unsigned comparison with
3023 0x7fffffffU, make sure arg0 is integral type.
3025 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3027 * c-tree.texi: Document representation of wide strings.
3029 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3031 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3032 when multiplier or multiplicand is zero.
3034 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3036 * loop.c (load_mems): When generating a load from a pseudo, update
3039 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3041 (set_src_needs_barrier): Likewise.
3042 (rtx_needs_barrier): For SET case, use these two functions. Rework
3043 PARALLEL case to handle all inputs before all outputs.
3044 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3045 saw a label and no stop bit since then.
3046 (maybe_rotate, process_epilogue): Add prototypes.
3048 2001-03-28 Jim Wilson <wilson@redhat.com>
3050 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3053 2001-03-28 DJ Delorie <dj@redhat.com>
3055 * Makefile.in (stage1_build): Revert CFLAGS patch.
3057 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3059 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3061 2001-03-27 Jim Wilson <wilson@redhat.com>
3063 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3065 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3066 (process_epilogue): New static function.
3067 (process_set): Call process_epilogue instead of emitting .restore
3069 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3071 * flow.c (struct reg_cond_life_info): New fields orig_condition
3073 (init_propagate_block_info): Set new fields.
3074 (mark_regno_cond_dead): Set and use new fields.
3075 (flush_reg_cond_reg_1): Likewise.
3076 (and_reg_cond, case AND): Check for redundant AND conditions.
3077 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3080 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3082 * cppmacro.c (stringify_arg): Null terminate strings.
3084 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3086 * cppfiles.c: Update comments.
3087 (struct include_file): Remove "defined" memeber.
3088 (find_or_create_entry): Make a copy of the file name, and
3090 (open_file): Update to ensure we use the simplified filename.
3091 (stack_include_file): Don't set search_from.
3092 (cpp_included): Don't simplify the path name here.
3093 (find_include_file): New prototype. Call search_from to
3094 get the start of the "" include chain. Don't simplify the
3096 (_cpp_execute_include): New prototype. Move diagnostics to
3097 do_include_common. Update.
3098 (_cpp_pop_file_buffer): Don't set defined.
3099 (search_from): New prototype. Use the preprocessor's cwd
3100 for files included from the command line.
3101 (read_name_map): Don't simplify the pathname here.
3103 (stack_include_file): Only increase the include
3104 count if we actually process the file properly, as opposed
3105 to treating it as length zero. Only call read_include_file
3106 if not DO_NOT_REREAD. Handle the -H include file output
3108 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3109 (cpp_included, find_include_file): Simplify pathnames after
3110 remapping them. If remapping, don't use the remapped file
3111 name's buffer as our scratch buffer.
3112 (cpp_pop_file_buffer): Replace the multiple include macro
3113 only if it isn't yet set.
3114 (read_name_map): Simplify remapped names when reading in.
3115 (remap_filename): Move code to code path that uses it.
3116 (_cpp_simplify_pathname): Return the input pointer.
3118 (NO_INCLUDE_PATH): New macro.
3119 (find_include_file): Decide here which part of the include
3120 chain to start the search. Complain about an empty include
3121 chain in all cases apart from an abolsute file name.
3122 (_cpp_execute_include): Don't choose the search chain here.
3123 Don't call handle_missing_include in the case of an empty
3125 (_cpp_compare_file_date): Don't choose the search chain here.
3127 (destroy_include_file_node): Rename destroy_node.
3128 (find_or_create_entry): New function.
3129 (open_file, _cpp_fake_include): Use it.
3130 (handle_missing_header): New function, broken out of
3131 _cpp_execute include. Don't segfault if there is no
3132 system or quoted path.
3133 (_cpp_execute_include): Use handle_missing_header.
3135 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3136 (cpp_included, find_include_file): Update.
3137 (search_from): Use lbasename.
3138 (_cpp_execute_include): Don't make a null-terminated
3139 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3140 strlen or strcpy; we already know the length.
3141 (_cpp_compare_file_date): Similarly.
3143 * cpphash.h: Update comments.
3144 (enum include_type): New.
3145 (struct buffer): Delete search from. New search_cached.
3146 (_cpp_execute_include): Update prototype.
3147 (struct cpp_reader): Delete done_initialising.
3148 (_cpp_simplify_pathname): Update prototype.
3149 (struct cpp_buffer): Delete actual_dir. New members
3150 search_from and dir.
3151 (struct cpp_reader): Remove actual_dirs.
3153 (struct include_file): Update.
3154 (stack_include_file): Use search_from.
3155 (cpp_included, find_include_file): Update.
3156 (cpp_execute_include): Update. ptr->name may not be
3157 null terminated. Use the new search_from member variable
3159 (_cpp_compare_file_date): Similarly.
3160 (search_from): New function, similiar to actual_directory.
3161 (actual_directory): Delete.
3162 (remap_filename): Update. loc->name may not be null terminated.
3163 (struct file_name_list): Rename search_path. Update.
3165 * cppinit.c (do_includes): Use _cpp_execute_include.
3166 (cpp_start_read): Don't set done_initialising.
3167 (struct cpp_pending): Update for renamed objects.
3168 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3169 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3171 * cpplib.c (do_include_common): New function.
3172 (do_include, do_include_next, do_import): Use it.
3173 (do_include_next): Move the in-main-file diagnostic
3174 here from _cpp_execute_include. Behave like #include if
3175 we're in the main file.
3176 (_cpp_compare_file_date): Make else unconditional.
3177 (CPP_PREV_BUFFER): Delete.
3178 (glue_header_name): Null-terminate.
3179 (do_line): Don't leak memory.
3181 * cpplex.c (parse_string): Guarantee null-termination.
3182 (_cpp_equiv_toklists): Remove.
3184 * cpplib.h (BT_WEAK): Delete.
3185 (struct cpp_options): Update.
3187 * cppmain.c (cb_ident): Strings are now null-terminated.
3189 * mkdeps.c (deps_add_default_target): Use lbasename.
3191 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3193 * c-typeck.c (digest_init): Fold init expression.
3195 * except.c (eh_regs): Save results of build_pointer_type to a temp
3196 as FUNCTION_VALUE macro may evaluate its args multiple times.
3198 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3200 * c-common.h (DECL_NUM_STMTS): New macro.
3201 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3203 (pushdecl): Likewise.
3204 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3205 * integrate.c (expand_inline_function): Don't check
3207 * print-tree.c (print_node): Don't print it.
3208 * toplev.c (rest_of_compilation): Don't try to inline when
3209 flag_no_inline is on.
3210 * tree.h (DECL_FRAME_SIZE): Remove.
3211 (tree_decl): Adjust accordingly.
3213 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3215 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3217 2001-03-26 Jakub Jelinek <jakub@redhat.com>
3219 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3220 to variable names where DECL_NAME is different from
3221 DECL_ASSEMBLER_NAME.
3223 2001-03-26 Jakub Jelinek <jakub@redhat.com>
3225 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
3226 lost during the 2001-03-14 lazy DECL_RTL commit.
3228 2001-03-21 Jason Merrill <jason@redhat.com>
3230 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3232 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3233 * varasm.c (CHKR_PREFIX): Likewise.
3235 2001-03-25 Kazu Hirata <kazu@hxi.com>
3237 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3240 (umodhi3): Likewise.
3243 2001-03-23 Richard Henderson <rth@redhat.com>
3245 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3246 to avoid shadowing arguments.
3248 2001-03-23 Jim Wilson <wilson@redhat.com>
3250 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3251 (assemble_alias): Call make_decl_rtl.
3253 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3255 * extend.texi: Document the "java_interface" attribute.
3257 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3259 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3261 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3263 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
3266 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
3268 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3270 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3272 * gcc.texi: Remove more obsolete documentation of bugs and
3273 installation problems.
3275 2001-03-21 Kazu Hirata <kazu@hxi.com>
3277 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3280 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3282 * cse.c (find_comparison_args): Remove previous change.
3283 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3286 * sdbout.c: #include ggc.h.
3287 (sdbout_init): Move to end of file.
3288 Call ggc_add_tree_root for anonymous_types.
3289 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3290 (sdbout_one_type): Use DECL_NAME for field name.
3291 * Makefile.in (sdbout.o): Show includes ggc.h.
3293 2001-03-21 Jakub Jelinek <jakub@redhat.com>
3295 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3296 Remove ia32 linux PIC kludge and move it...
3297 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3299 2001-03-20 DJ Delorie <dj@redhat.com>
3301 * Makefile.in (install-libgcc): Pass complete list of variables.
3302 (install-multilib): Ditto.
3304 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3306 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3307 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3309 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3311 Compute DECL_ASSEMBLER_NAME lazily.
3312 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3313 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3314 (SET_DECL_ASSEMBLER_NAME): Likewise.
3315 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3316 (set_decl_assembler_name): Declare.
3317 (lang_set_decl_assembler_name): Likewise.
3318 * tree.c (lang_set_decl_assembler_name): New variab.e
3319 (set_decl_assembler_name): New function.
3320 (init_obstacks): Set lang_set_decl_assembler_name.
3321 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3322 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3323 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3324 where it's not necessary.
3325 (builtin_function): Likewise.
3326 (finish_decl): Likewise.
3327 * dbxout.c (dbxout_type_methods): Likewise.
3328 * ggc-common.c (ggc_mark_trees): Likewise.
3329 * profile.c (output_func_start_profiler): Likewise.
3330 * varasm.c (make_decl_rtl): Likewise.
3332 * cse.c (find_comparison_args): Update documentation. Fix
3333 mishandling of COMPARE operations.
3335 * tree.def (ABS_EXPR): Add documentation.
3336 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3338 2001-03-20 Tom Tromey <tromey@redhat.com>
3340 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3342 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3344 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3345 drectve_section, switch_to_section.
3347 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3348 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3349 i386_pe_mark_dllimport.
3351 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3353 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3354 functions i386_pe_*.
3356 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3357 i386_pe_* functions with char * arguments.
3359 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3361 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3363 (movsi_ie): Introduce fpul store.
3365 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3367 * Makefile.in (OBJS): Remove hashtab.o.
3369 2001-03-19 Tom Tromey <tromey@redhat.com>
3371 * gcc.c (init_gcc_specs): Fix comment.
3373 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3375 * cse.c (find_comparison_args): Update documentation. Fix
3376 mishandling of COMPARE operations.
3378 * tree.def (ABS_EXPR): Add documentation.
3379 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3381 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3383 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3385 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3387 * README.X11: Remove obsolete file.
3389 2001-03-18 Anthony Green <green@redhat.com>
3391 * config/pj/pj.h: Remove some trailing commas.
3392 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3394 2001-03-17 Anthony Green <green@redhat.com>
3396 * config/pj/lib1funcs.S: Fix broken comment.
3397 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3400 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3402 * gcc.texi: Remove obsolete information relating to build and
3403 installation problems with enquire or the Pyramid C compiler.
3405 2001-03-16 Philip Blundell <philb@gnu.org>
3407 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3409 * config/arm/linux-elf.h: Remove historical relics related to
3410 above configurations.
3411 * config/arm/linux-oldld.h: Delete.
3412 * config/arm/linux-elf26.h: Delete.
3414 2001-03-17 Richard Henderson <rth@redhat.com>
3416 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3417 is generating .debug_line.
3418 (dwarf2out_init): Add main_input_filename to the file table first.
3419 * configure.in (as_dwarf2_debug_line): Test with file number 1
3420 instead of file number 0.
3422 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3423 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3424 (size_of_line_prolog): Remove.
3425 (output_line_info): Compute prologue size via label difference.
3426 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3427 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3428 assembler error when redefining file numbers.
3429 * config.in, configure: Rebuild.
3431 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3433 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3436 2001-03-16 Jim Wilson <wilson@redhat.com>
3438 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3439 then set it to LOC_REG (79) instead of aborting.
3441 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3443 * fixinc/Makefile.in: Set SHELL.
3445 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3447 * fixinc/fixincl.c (fix_with_system): Quote file names before
3448 passing them to shell.
3450 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3452 * Makefile.in: Use fix-header$(build_exeext) instead
3455 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
3457 * config/i386/cygwin.h: Revert previously misapplied patch which
3458 eliminated TARGET_SUBTARGET_DEFAULT.
3460 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3462 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3463 register may be dead.
3465 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3467 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3469 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3471 * Makefile.in (hash.o): Depend on CONFIG_H.
3473 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3475 * cppfiles.c (stack_include_file): Use MAX of sysp.
3477 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3479 * config.gcc (ia64*-*-hpux*): New case.
3480 * config/ia64/hpux.h: New file for HP-UX support.
3481 * config/ia64/t-hpux: New file for HP-UX support.
3483 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3485 * fixinc/inclhack.def (irix_stdio_va_list): New.
3486 * fixinc/fixincl.x: Rebuilt.
3488 2001-03-15 Bruce Korb <bkorb@gnu.org>
3490 * gcc.c(main): make more rigorous
3491 * collect2.c(main): guard against ignoring SIGCHLD
3492 * protoize.c(main): ditto
3493 * gcc/fixinc/fixincl.c(initialize): ditto
3495 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3497 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3498 (sdbout_parms): Likewise.
3500 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
3502 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3503 "widen" a destination that is already wider than a word. Also do
3504 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3506 2001-03-15 Zack Weinberg <zackw@stanford.edu>
3508 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3509 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3510 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3511 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3512 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3513 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3514 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3515 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3516 config/i370/xm-oe.h, config/i386/xm-aix.h,
3517 config/i386/xm-i386.h, config/i386/xm-osf.h,
3518 config/i860/xm-i860.h, config/i960/xm-i960.h,
3519 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3520 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3521 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3522 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3523 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3524 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3525 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3526 config/pj/xm-pj.h, config/romp/xm-romp.h,
3527 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3528 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3529 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3530 config/v850/xm-v850.h, config/vax/xm-vax.h,
3531 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3532 Do not define TRUE or FALSE.
3534 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3535 empty by above change.
3536 * config.gcc: Remove references to these files.
3538 * configure.in: Detect stdbool.h.
3539 * configure, config.in: Regenerate.
3540 * system.h: Include stddef.h here if available. Set
3541 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
3542 set up a sensible boolean type at the very end.
3544 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3545 config/mcore/mcore.c: Rename variables named 'true'
3548 * hash.h: Delete 'boolean' typedef and related #undefs.
3550 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
3551 Replace all uses of 'boolean' with 'bool'.
3553 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3554 David Billinghurst <David.Billinghurst@riotinto.com>
3556 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3558 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3560 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
3561 expression without adding in rtx code and mode.
3563 * alias.c (init_alias_analysis): Don't use any rtx whose value
3564 varies as a known value.
3565 Delete a superfluous test.
3567 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3569 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3571 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3573 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3574 contents of the RTL, to determine the name of the object.
3576 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3578 * configure.in: Use $gcc_cv_as instead of $as.
3579 * configure: Regenerated.
3581 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3583 * alias.c (handled_component_p, can_address_p): New functions.
3584 (get_alias_set): Use them.
3586 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3588 * expr.c (expand_expr): Revove bogus conditional.
3590 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3592 * tree.h (DECL_RTL): Allocate RTL lazily.
3593 (SET_DECL_RTL): New macro.
3594 (DECL_RTL_SET_P): Likewise.
3595 (COPY_DECL_RTL): Likewise.
3596 (DECL_RTL_IF_SET): Likewise.
3597 * varasm.c (make_decl_rtl): Add assertions about the kind of
3598 declaration we are processing.
3599 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3600 (start_decl): Likewise.
3601 (finish_decl): Likewise.
3602 * c-semantics.c (emit_local_var): Likewise.
3603 * calls.c (expand_call): Likewise.
3604 * dbxout.c (dbxout_symbol): Likewise.
3605 * emit-rtl.c (unshare_all_rtl): Likewise.
3606 (unshare_all_decls): Likewise.
3607 (reset_used_decls): Likewise.
3608 * expr.c (store_constructor): Likewise.
3609 (safe_from_p): Likewise.
3610 (expand_expr): Likewise.
3611 * function.c (put_var_into_stack): Likewise.
3612 (instantiate_decls_1): Likewise.
3613 (assign_parms): Likewise.
3614 (expand_function_start): Likewise.
3615 (expand_function_end): Likewise.
3616 * ggc-common.c (gcc_mark_trees): Likewise.
3617 * integrate.c (function_cannot_inline_p): Likewise.
3618 (copy_decl_for_inlining): Likewise.
3619 (expand_inline_function): Likewise.
3620 (integrate_parm_decls): Likewise.
3621 (integrate_decl_tree): Likewise.
3622 * print-tree.c (print_node): Likewise.
3623 * reg-stack.c (stack_result): Likewise.
3624 * stmt.c (label_rtx): Likewise.
3625 (expand_return): Likewise.
3626 (expand_decl): Likewise.
3627 (expand_decl_cleanup): Likewise.
3628 (expand_anon_union_decl): Likewise.
3629 * toplev.c (check_global_declarations): Likewise.
3630 (rest_of_decl_compilation): Likewise.
3631 * tree.c (simple_cst_equal): Likewise.
3632 * objc/objc-act.c (generate_static_references): Likewise.
3634 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3636 * reg-stack.c (stack_result): Unconditionally use
3637 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3639 2001-03-13 Jim Wilson <wilson@redhat.com>
3641 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3642 from 80 in try_locals code.
3643 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3645 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * cpp.texi (poison): Explain the macro expansion exception.
3649 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3651 * cppinternals.texi: Update for file handling.
3653 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3655 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3656 unless anti_dependence says they are.
3657 * alias.c (objects_must_conflict): If neither has a type specified,
3660 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3662 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3663 before reload_cse_noop_set_p.
3665 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
3667 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3669 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3671 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3672 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3674 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
3676 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3677 if it's a record type.
3679 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3681 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3682 mingw includes slightly.
3684 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
3686 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3688 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3690 * configure: Rebuilt.
3691 * configure.in: Only use `lang_requires' for languages athat are
3694 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
3696 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3698 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
3700 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3701 LO_SUM unless for_alias is set.
3703 2001-03-08 Bruce Korb <bkorb@gnu.org>
3705 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3706 wait4() can receive the signal.
3708 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3710 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3712 * fixinc/fixincl.x: Regenerate.
3714 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3716 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3718 * fixinc/fixincl.x: Regenerate.
3720 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
3722 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
3725 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3727 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3729 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3731 * configure.in (enable_shared): Support per-package shared-library
3733 * configure: Rebuilt.
3735 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3737 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3738 for crnot. Set operands[5] in splitter.
3740 2001-03-07 Tom Tromey <tromey@redhat.com>
3742 * configure: Rebuilt.
3743 * configure.in: Allow config-lang.in to set `lang_requires' to list
3744 of other required languages.
3746 2001-03-07 Richard Henderson <rth@redhat.com>
3748 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3750 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3752 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3753 * fixinc/fixincl.x: Regenerated.
3755 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3757 * Restore change that patch misapplied.
3758 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3759 (ix86_set_move_mem_attrs_1): Likewise.
3760 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3761 * config/i386/i386.md (movstrsi): Call it.
3763 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3765 * config/m68k/m68k.c (const_uint32_operand): Accept any
3766 const_int on a 32-bit host.
3768 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3770 * c-parse.in (yylexname): New function, split out of _yylex.
3771 (objc_rid_sans_at): New table.
3772 (init_reswords): Initialize it.
3773 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3774 retrieving the next token and checking it for significance as
3775 an ObjC keyword or string constant.
3777 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3778 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3780 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3783 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3785 * objc/objc-act.c (init_objc): Set save_lang_status,
3786 restore_lang_status, and mark_lang_status.
3788 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3790 * cppinternals.texi: Update.
3792 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3794 * invoke.texi: Document __FAST_MATH__.
3796 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
3798 * function.c (purge_addressof_1): Change type of function
3799 purge_addressof_1 from boolean to int. Change local variable
3800 `result' to int, and false and true to 0 and 1, respectively.
3802 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3804 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3806 (___subdi3, ___adddi3): Use x instead of y as index register.
3807 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3808 (__memset, __memcpy): Likewise.
3809 (regs): Put the soft registers in bss for 68HC12.
3810 (abort): Use trap to abort for 68hc12.
3811 (__mulhi3, __mulhi32): Use emul for 68hc12.
3812 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3814 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3816 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3817 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3818 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3819 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3820 Set 68HC12 min offset to -65536.
3821 (print_operand): Put parenthesis arround the operand if it refers
3822 to a symbol having the same name as a register.
3823 (m68hc11_z_replacement): When z register is replaced by its
3824 equivalent soft register, force the insn to be re-recognized.
3825 (m68hc11_check_z_replacement): Fix the test when destination is
3826 the index register and z dies in the insn.
3827 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3829 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3831 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3832 costs according to processor variant.
3833 (m68hc11_shift_cost): New function to compute shift costs.
3834 (m68hc11_rtx_costs): Define costs according to processor variant.
3835 (m6811_cost): Costs for 68HC11.
3836 (m6812_cost): Costs for 68HC12.
3837 (COSTS_N_INSNS): Remove.
3839 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3840 (DEFAULT_RTX_COSTS): Remove.
3841 (CONST_COSTS): Define costs according to OUTER_CODE.
3842 (processor_costs): New struct to define costs.
3843 (m68hc11_cost): Pointer to current costs.
3845 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3847 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3848 and use m68hc11_notice_keep_cc when using leax/leay.
3849 (addhi3 split): Reject split if the insn is handled by
3851 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3852 push must be handled in a special way if the source operand uses
3853 sp as index register.
3854 (m68hc11_notice_keep_cc): New function.
3855 (m68hc11_gen_movhi): Use it when an insn changes a register but
3857 (m68hc11_gen_movqi): Fix move for 68HC12.
3858 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3860 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3862 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3863 and don't pass operands[0] to emit_library_call_value.
3865 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3867 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3868 (zero_extendsi split): Simplify and use (zero_extendhi).
3869 (*addhi3): Remove 'w' constraint since stack pointer is handled
3871 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3872 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3873 (*ashrhi3_const): Fix shift by 7.
3874 (*lshrsi3_const16): Fix template.
3875 (call, call_value): Fix constraint and predicate.
3877 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3879 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3880 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3881 (CC_REGNUM): Likewise.
3882 (*unnamed splits): Use above constants instead of hard coded numbers.
3883 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3884 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3885 (*return_16bit, *unnamed peepholes): Likewise.
3887 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
3889 * gcc.c (convert_filename): Append executable suffix
3890 if NO_AUTO_EXE_SUFFIX is not defined.
3891 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3892 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3895 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3897 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3898 * c-parse.gperf, c-gperf.h: Delete.
3899 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
3902 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3904 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3905 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3906 t_bool in declaration because pcc can't combine volatile with typedef
3909 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3911 * longlong.h (umul_ppmm): Don't use a multiline string.
3913 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3915 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3916 macro arguments when looking for the '('.
3917 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3918 2 when really parsing arguments; 1 when looking for '('.
3919 Always restore the lexer position.
3921 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3923 * cpplex.c (parse_string): Unconditionally pedwarn.
3925 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3928 * cppexp.c (parse_number): Update.
3929 * cpplex.c (parse_string): Pedwarn if multiline string does not
3930 result from a system header's macro.
3931 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3932 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3933 for function-like macros too.
3935 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3937 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3938 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3940 * c-format.c (C_STD_VER): Cast to int for comparisons.
3941 (check_function_format): Cast various enums to int for &.
3942 (maybe_read_dollar_number): Likewise.
3943 (check_format_info): Likewise.
3944 (check_format_info_main): Likewise.
3945 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3946 (safe_from_p): Likewise.
3947 * varasm.c (const_hash): Cast enum to int for %.
3948 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3949 pcc enum problems with < and ++ operators.
3950 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3951 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3952 (regclass_init): Change enum class to int to iterate over reg_classes.
3953 * genrecog.c (merge_trees): Cast enums for comparison.
3954 * rtl.h (GET_CODE): Cast to enum rtx_code.
3955 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3956 (GET_MODE): Cast to enum machine_mode.
3957 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3958 (GET_NOTE_INSN_NAME): Cast enum to int.
3959 * tree.h (TREE_CODE): Cast to enum tree_code.
3960 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3961 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
3962 * timevar.c (timevar_print): Change loop variable id from enum to
3964 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3965 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3966 * toplev.c (compile_file): Cast enum DFI to int.
3967 (decode_d_option): Likewise.
3969 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3971 * cppinit.c (append_include_chain): Mark "after" include file name list
3972 as a system directory.
3973 * cpp.texi: Document new behavior.
3975 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3977 * cpphash.h (struct cpp_reader): Add print_version field.
3978 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3979 just set print_version and other flags as appropriate.
3980 (cpp_post_options): Print version here if print_version is set.
3982 * toplev.c (exit_after_options): New flag.
3983 (independent_decode_option): Don't exit here; just set
3985 (main): Exit after calling lang_hooks.post_options if
3986 exit_after_options is true.
3988 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3989 (merge_include_chains): Adjust comment to match code.
3991 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3993 * stringpool.c (set_identifier): New function.
3994 * tree.h: Prototype it.
3996 * c-parse.in: Kill D_YES. If compiled for objc, call
3997 save_and_forget_protocol_qualifiers from init_reswords.
3998 * objc/objc-act.c (remember_protocol_qualifiers,
3999 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4000 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4002 (save_and_forget_protocol_qualifiers): New function.
4003 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4005 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4007 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4008 * cppexp.c (lex): Cast enums for comparison.
4009 * cppinit.c (parse_option): Cast enum for comparison.
4010 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4011 (cpp_output_token): Likewise.
4012 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4013 (cpp_avoid_paste): Cast enums for minus and comparison.
4015 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4017 * Makefile.in (resource.o): Add params.h dependence.
4018 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4019 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4020 * resource.c: Add dependence on params.h.
4021 (current_live_regs): Fix explanatory comment.
4022 (find_basic_block): Add new parameter to permit limiting search
4024 (mark_target_live_regs): Add new argument to find_basic_block call.
4025 (incr_ticks_for_insn): Likewise.
4027 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4029 * Makefile.in (reorg.o): Add params.h dependence.
4030 * params.def: Fix typographical error in comment.
4031 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4032 * params.h: Modify introductory comment.
4033 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4034 * reorg.c: Add dependence on params.h.
4035 (redundant_insn): Add parameterized throttle for search.
4036 (fill_simple_delay_slots): Add a comment explaining a variable.
4037 Move conditional out of loop, simplifying code.
4038 (fill_eager_delay_slots): Fix typographical error in comment.
4040 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4042 * Makefile.in (OBJS): Add params.o.
4044 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4046 * Makefile.in (toplev.o): Depend on params.h.
4047 (intergate.o): Likewise.
4048 (params.o): New target.
4049 * flags.h (inline_max_insns): Remove.
4050 * integrate.c: Include params.h.
4051 Use MAX_INLINE_INSNS instead of inline_max_insns.
4052 * params.c: New file.
4053 * params.h: Likewise.
4054 * params.def: Likewise.
4055 * toplev.c: Include params.h.
4056 (lang_independent_params): New variable.
4057 (decode_f_option): Use the param machinery instead of setting
4059 (independent_decode_option): Handle "--param name=value".
4060 (main): Register language-independent parameters.
4062 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
4064 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4065 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4067 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4068 before determining its register class.
4070 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4072 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4073 from reg 4 if current_function_calls_setjmp.
4074 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4076 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4077 code not to try to optimize adds with anything but a REG destination.
4079 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4080 (INSN_PRIORITY_KNOWN): New accessor macro.
4081 * haifa-sched.c (priority): Use it instead of testing priority against
4084 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
4086 * cppinit.c (builtin_array): Update.
4087 (init_builtins): Flag builtins to warn if redefined or
4088 undefined. Define __GXX_WEAK as a normal macro.
4089 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4090 * cpplib.h (NODE_WARN): New flag.
4091 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4092 Handle __STDC__ as a builtin only on Solaris.
4093 (warn_of_redefinition): Renamed from check_macro_definition.
4094 Reverse sense of test. Always warn if NODE_WARN.
4095 (_cpp_create_definition): Use warn_of_redefinition. Flag
4096 any macro beginning with "__STDC_" to require a mandatory
4097 warning if redefined or undefined.
4098 * cppinit.c (set_lang): Move builtin handling to...
4099 (init_builtins): ...here.
4100 (_cpp_create_reader): Move call to set_lang.
4101 * cppfiles.c (stack_include_file): Generate dependencies
4102 here, and manage include_count here too.
4103 (PRINT_THIS_DEP): Delete.
4104 (_cpp_execute_include): Do not generate dependencies here,
4105 apart from the case of a missing header. Do not manage
4107 (_cpp_read_file): Leave dependency generation to
4109 * cppexp.c (parse_number): Similarly.
4110 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4111 * cppmacro.c (struct cpp_macro): New member node.
4112 (parse_args): Only warn about missing rest args if not
4114 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4115 (cpp_sys_objmacro_p): New.
4116 (_cpp_create_definition): Store the node with the macro defn.
4117 Remember if the macro is defined in a system header.
4119 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
4121 * extend.texi (Deprecated Features): Deprecate float and
4122 complex template constant parms.
4124 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
4126 * pa.c (override_options): Promote -fpic to -fPIC.
4127 (legitimize_pic_address): Simplify due to removal of
4128 small PIC as a code generation option.
4129 (secondary_reload_class): Similarly.
4130 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4131 (PRINT_OPERAND_ADDRESS): Similarly.
4132 * pa.md (various patterns): Similarly.
4133 (small pic lo_sum pattern): Remove.
4135 2001-02-27 Andreas Jaeger <aj@suse.de>
4137 * configure.in: Document that --disable-checking is default.
4138 * configure: Regenerated.
4140 2001-02-27 Mark Mitchell <mark@codesourcery.com>
4142 * configure.in: Make --disable-checking the default.
4143 * configure: Regenerated.
4145 2001-02-26 Mark Mitchell <mark@codesourcery.com>
4147 Revert the two previous changes.
4149 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4151 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4152 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4153 * config/i386/i386.md (movstrsi): Handle FAIL case.
4155 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4158 (ix86_set_move_mem_attrs_1): Likewise.
4159 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4160 * config/i386/i386.md (movstrsi): Call it.
4162 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4164 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4165 used to set another biv.
4167 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4169 * errors.c (internal_error, trim_filename): New functions.
4170 (fancy_abort): Call internal_error.
4171 * errors.h (internal_error, trim_filename): New declarations.
4173 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4175 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4177 (EXTRA_CONSTRAINT): Formatting changes.
4179 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4181 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4183 2001-02-23 Per Bothner <per@bothner.com>
4185 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4186 so they can be called from java/jvspec.c.
4187 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4189 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4191 * diagnostic.c (trim_filename): No longer static.
4192 * toplev.h (trim_filename): Declare.
4193 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4194 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4195 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4196 (rtvec_check_failed_bounds): Likewise.
4197 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4199 * convert.c (convert_to_integer): Don't do unsigned unless result or
4200 both inputs are unsigned.
4202 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4205 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4207 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4209 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4211 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4212 check if either operand is divisible by C.
4213 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4214 If type is signed, consider negative numbers as well.
4216 2001-02-22 Richard Henderson <rth@redhat.com>
4218 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4219 reach .text instead of gp-relative relocs.
4220 * config/ia64/crtend.asm (.init): Likewise.
4222 2001-02-22 Andreas Jaeger <aj@suse.de>
4224 * extend.texi (C++ Attributes): Fix typo.
4226 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4228 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4229 functions, drop current_function_args_info.words test.
4230 (ia64_compute_frame_size): Mark syscall_linkage functions as
4231 using eight input registers.
4233 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4234 Bruce Korb <bkorb@gnu.org>
4236 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4237 * fixinc/README: Document how to convert sed substitutions
4238 to format style c_fix-es.
4239 * fixinc/fixincl.x: regen
4241 2001-02-21 Bruce Korb <bkorb@gnu.org>
4242 Rodney Brown <RodneyBrown@mynd.com>
4244 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4245 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4246 machine restrictions
4247 * fixinc/fixincl.x: regen
4249 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4251 * cppfiles.c: Update comments.
4252 (_cpp_read_file): Don't check for NULL filenames any more.
4253 * cppinit.c (cpp_start_read): Don't do canonicalization of
4254 in_fname and out_fname. Use the passed file name exclusively.
4255 (_cpp_handle_options): Don't treat "-" as a command line option,
4256 but as a normal filename.
4257 (_cpp_post_options): Canonicalize in_fname and out_fname.
4258 * cppmain.c (printer_init): Don't check out_fname for NULL.
4259 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4260 (init_c_lex): Update, and use "" to represent stdin to CPP.
4263 2001-02-21 Kazu Hirata <kazu@hxi.com>
4265 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4269 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
4271 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4273 2001-02-21 Jason Merrill <jason@redhat.com>
4275 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4276 (struct tree_decl): Add uninlinable bitfield.
4277 * c-decl.c (duplicate_decls): Set it.
4278 * integrate.c (function_cannot_inline_p): Check it.
4280 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4281 DW_AT_MIPS_linkage_name to abstract methods.
4282 (dwarf2out_abstract_function): Emit class context before calling
4283 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4284 (gen_subprogram_die): Remove obsolete code.
4285 (gen_member_die): Don't include clones in the member list.
4286 (gen_decl_die): Emit abstract info for clone origin.
4287 * dwarfout.c (output_type): Don't include clones in the member list.
4288 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4289 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4290 DECL_ABSTRACT on a function that already has it set.
4292 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4293 (get_subprogram_die): Pass it in.
4295 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4297 * flow.c (mark_set_1): Make not_dead unsigned long. For
4298 non-pseudos, use it as a bitmask of the hard regs that
4301 2001-02-20 Will Cohen <wcohen@redhat.com>
4303 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4304 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4305 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4308 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4310 * stmt.c (expand_return): If an attempt is made to return the
4311 error_mar_node, treat the return like a return without a value.
4313 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
4315 * pa.c (move_operand): Accept code to load the address of a
4316 symbol out of the DLT as a valid move operand.
4317 (print_operand, case 'A'): New to handle generating a DLT
4318 reference for a LO_SUM expression.
4319 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4320 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4322 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4324 * README, cpp.texi, gcc.texi: Update version number to 3.0.
4325 * cpp.1, gcov.1, gcc.1: Regenerate.
4327 2001-02-19 Richard Henderson <rth@redhat.com>
4329 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4332 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
4334 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4335 target_cpu_default. Remove dead assignment to
4338 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
4340 * regclass.c (contains_reg_of_mode): Make global.
4341 (init_reg_sets): Remove contains_reg_of_mode; take into account
4342 CLASS_MAX_NREGS when looking for the proper mode.
4343 (dump_regclass): Dump only classes considered for the pseudo.
4344 (regclass): Use contains_reg_of_mode.
4346 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
4348 * gcc.c (do_spec_1): 'n' for printing notices.
4349 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4351 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
4353 * reg-stack.c (next_flags_user): Use current_block->end
4354 (swap_rtx_condition): Look for next user if flags don't die;
4355 give up on CALL_INSNs; use current_block->end.
4357 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4359 * invoke.texi (-fsquangle): Remove documentation.
4360 (-fname-mangling-version): Likewise.
4362 2001-02-18 Kazu Hirata <kazu@hxi.com>
4364 * config/h8300/h8300.md: Update copyright.
4365 (andsi3): Do not output an extra newline character.
4367 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
4369 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4370 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4371 (mostlyclean): Corresponding changes.
4372 * rtlanal.c (hard-reg-set.h): Include.
4373 (rtx_unstable_p): Do not treat the argument pointer specially
4374 if it is not a fixed register.
4375 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4377 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4379 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4380 assignments from FP constants sonce 'Y' output code can't handle it.
4381 (eligible_for_sibcall_delay): Likewise.
4383 * invoke.texi (-I): Add note avoiding use for system header files.
4385 * final.c (output_operand_lossage): Use internal_error, not error.
4387 2001-02-18 Shane Nay <shane@agendacomputing.com>
4389 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4390 structure shift insns.
4392 2001-02-18 Richard Henderson <rth@redhat.com>
4394 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4396 * reload1.c (reload_cse_simplify_set): Fix typo.
4398 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4400 * diagnostic.c (_fatal_insn): Decrement errorcount.
4402 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4404 * pa.c (hppa_expand_prologue): Simplify code storing return
4405 pointer. For large (>=8k) frames with a post_store, adjust stack
4406 pointer by 8k-64 first rather than by 64. When testing with
4407 VAL_14_BITS_P, always use the actual value rather than the value
4408 negated. Add blockage to prevent scheduling of spills before
4409 stack frame has been created.
4410 (hppa_expand_epilogue): Simplify code loading return pointer.
4411 Allow a slightly larger range for merge_sp_adjust_with_load case.
4412 When testing with VAL_14_BITS_P, always use the actual value.
4414 * pa.c (pa_adjust_insn_length): Check that block move
4415 pattern is a set before looking at operands.
4417 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4419 * fold-const.c (fold_binary_op_with_conditional_arg): New
4420 function, split out from ...
4422 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4423 conditional arms that throw exceptions.
4425 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4428 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4430 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4431 define HAVE_DECL_* to 1 to mask potential backup declarations.
4432 * configure: Regenerated.
4434 2001-02-17 Richard Henderson <rth@redhat.com>
4436 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4437 when replacing a memory load with a register.
4439 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
4441 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
4444 2001-02-16 Richard Henderson <rth@redhat.com>
4445 DJ Delorie <dj@redhat.com>
4447 * jump.c (jump_optimize_1): When we delete a conditional jump
4448 preceeding a non-conditional jump to effectively the same place,
4449 make sure that the combined jump skips any clobber insns between
4452 2001-02-16 Jason Merrill <jason@redhat.com>
4454 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4456 (gen_subprogram_die): Don't abort on seeing a second definition if
4457 the previous one was abstract. Don't replace an abstract instance
4458 in the lookup table.
4460 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4461 gen_abstract_function.
4462 * dwarf2out.h: Declare it.
4463 * toplev.c (note_outlining_of_inline_function): New fn.
4464 * toplev.h: Declare it.
4465 * integrate.c (output_inline_function): Call it.
4466 * c-decl.c (duplicate_decls): Call it when redefining an extern
4467 inline. Don't inline the new defn.
4469 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4471 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4473 * objc/objc-act.c (start_class): Register implemented_classes with
4476 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4478 * cppfiles.c (_cpp_make_system_header): Generate a file
4481 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4483 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4485 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4488 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4490 * version.c: Bump to "3.0 20010215 (prerelease)".
4492 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
4494 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4496 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
4498 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4500 * invoke.texi (-mreg-alloc): Deprecate.
4502 2001-02-14 Richard Henderson <rth@redhat.com>
4504 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4506 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
4508 * regclass.c (init_reg_sets_1): Reinstall the optimization
4509 together with Matt Kraai's fix.
4511 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4513 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4515 2001-02-14 Richard Henderson <rth@redhat.com>
4517 * regclass.c (init_reg_sets_1): Revert last change.
4519 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
4521 * extend.texi (Deprecated): Deprecate new initializer lists.
4523 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
4525 * mkdeps.c (deps_add_default_target): Robustify. Add
4526 basename component only.
4527 * cpp.texi (-M): Describe how default target is generated.
4528 * invoke.texi (-M): Likewise.
4530 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
4532 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4534 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4535 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4537 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
4539 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4542 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4544 * config/sparc/sparc.c (function_value): Treat all non-record
4545 aggregate types like used to treat UNION_TYPE.
4547 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4549 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4550 (try_combine): Use it.
4552 2001-02-13 Richard Henderson <rth@redhat.com>
4554 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4555 entire operator; replicate that and match_dup the operands.
4556 (cmp_ccx_arith_op_set): Likewise.
4557 (cmp_cc_arith_op_not_set): Likewise.
4558 (cmp_ccx_arith_op_not_set): Likewise.
4560 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4562 * c-common.c (constant_fits_type_p): New function.
4563 (convert_and_check): Use it.
4565 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4567 * Makefile.in (GXX_ABI_FLAG): Don't define.
4568 * configure.in (--enable-new-gxx-abi): Remove option.
4569 * config.in: Regenerated.
4570 * configure: Likewise.
4572 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4574 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4576 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4577 regular basic block, and arrange for all edges into it to switch
4580 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4582 * Makefile.in (distclean): Do not remove .gdbinit.
4584 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4586 * Makefile.in (gcc.o): Fix typos.
4587 (protize.o): Likewise.
4588 (unprotoize.o): Likewise.
4590 2001-02-11 Richard Henderson <rth@redhat.com>
4592 * tree.c (build1): Check for null operand in last change.
4594 2001-02-11 Richard Henderson <rth@redhat.com>
4596 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4597 (fold): Don't assume a constant isn't foldable.
4598 * tree.c (build): Set TREE_CONSTANT for an expression with no
4599 side-effects and constant operands.
4602 2001-02-10 Richard Henderson <rth@redhat.com>
4604 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4606 2001-02-10 Anthony Green <green@redhat.com>
4608 * cpp.texi (Standard Predefined): Add documentation for
4611 * c-common.c (combine_strings): Improve warning message.
4613 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4615 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4617 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4619 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4621 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4624 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4626 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4629 2001-02-09 Nick Clifton <nickc@redhat.com>
4631 * config/arm/arm.md: Change output contraint on post inc
4632 load/store multiple patterns to be a read/write contraint.
4634 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4636 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4637 .o files when using the -M options.
4639 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4640 David Edelsohn <edelsohn@gnu.org>
4642 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4643 handle DImode constants. Use one TOC entry for SImode and smaller
4644 constants, aligned properly.
4646 2001-02-08 Jason Merrill <jason@redhat.com>
4648 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4649 about the SP adjustment for saving the static chain pointer.
4650 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4651 offset when setting a temporary CFA register.
4653 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4655 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4656 powerpc-*-chorusos* .
4657 * config/rs6000/chorus.h : New file.
4658 * config/i386/chorus.h : New file.
4659 * config/sparc/chorus.h : New file.
4660 * config/sparc/t-chorus-elf : New file.
4662 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4664 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4665 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4666 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4667 (__WCHAR_TYPE__): Correct macro name.
4669 2001-02-08 Richard Henderson <rth@redhat.com>
4671 * config/i386/i386.c (ix86_frame_pointer_required): New.
4672 (ix86_setup_frame_addresses): New.
4673 (struct machine_funciton): Add accesses_prev_frame.
4674 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4675 ix86_frame_pointer_required.
4676 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4677 (SETUP_FRAME_ADDRESSES): New.
4678 * config/i386/i386-protos.h: Update.
4679 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4680 from FRAME_POINTER_REQUIRED.
4681 * config/i386/svr3gas.h: Likewise.
4682 * config/i386/sysv3.h: Likewise.
4683 * config/i386/v3gas.h: Likewise.
4685 2001-02-08 Richard Henderson <rth@redhat.com>
4687 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4688 calculation of the number of integer registers required.
4689 (function_arg_record_value): Likewise.
4691 2001-02-08 Jason Merrill <jason@redhat.com>
4693 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4694 two. Print file and line with "confused" message.
4696 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4698 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4700 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4702 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4704 * final.c (cleanup_subreg_operands): The address of a MEM can
4707 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4710 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4712 * gcc.texi (Incompatibilities): Update documentation of
4713 preprocessing numbers.
4715 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4717 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4719 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4721 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4723 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4724 * gcc.c (struct compiler): Add cpp_spec field.
4725 (input_file_compiler): New variable.
4726 (do_spec_1): Allow a particular compiler to handle `%C'
4728 (main): Store the current compiler in input_file_compiler.
4729 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4731 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4733 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4734 * cppinit.c (cpp_create_reader): Initialize them.
4735 (append_include_chain): cxx_aware arg might be unused.
4736 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4737 keywords and give them their phase 7 meaning. Pedwarn about
4738 this unless '__bool_true_false_are_defined' is defined.
4740 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4742 * lcm.c (optimize_mode_switching): Emit mode_set before the
4743 JUMP_INSN of an abnormal edge.
4745 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4747 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4748 a scheduling barrier at the end.
4750 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4752 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4754 * config/sh/sh.md (reload_outsf): Removed.
4755 (movsf_ie): Introduce constraints for FPUL loads and stores.
4756 (reload_insf): Broaden the output constraint.
4758 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4760 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4761 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4763 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4765 * final.c: Revert my previous changes.
4766 * output.h: Make profile_label_no extern.
4767 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4768 for generating label.
4770 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4772 * config/i386/djgpp.h: Add comments about standard paths.
4773 (MD_EXEC_PREFIX): Undefine before defining.
4774 (MD_STARTFILE_PREFIX): New.
4776 2001-01-30 Bruce Korb <bkorb@gnu.org>
4778 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4779 (load_file): do not rely on load_file_data() to close file pointer
4780 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4781 fixinc/inclhack.def(irix_limits_const): add test_text
4783 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4785 * cppexp.c (parse_defined): Improve diagnostics for invalid
4788 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4790 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4792 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4794 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4795 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4796 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4797 (rs6000_output_symbol_ref): New function.
4798 (output_toc): Use VTABLE_NAME_P.
4800 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4802 * print-tree.c (print_node, case PARM_DECL):
4803 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4805 * stor-layout.c (reference_types_internal): New variable.
4806 (internal_reference_types): New function.
4807 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4808 * tree.h (internal_reference_types): New declaration.
4810 * cse.c (find_best_addr): Fix typo in computing cost.
4812 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4814 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4815 and this is the sum of a pointer and a constant, we know the result
4817 (num_sign_bit_copies, case PLUS): Likewise.
4818 * explow.c (convert_memory_address): Remove opposite SUBREG.
4819 * function.c (instantiate_new_reg): New function (from common code).
4820 (instantiate_virtual_regs_1): Call it.
4821 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4822 if pointers sign- or zero-extend.
4823 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4824 If pointers extend unsigned, use inside of SUBREG.
4825 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4827 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4829 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4830 subdir of gcc_gxx_include_dir.
4831 (gcc_gxx_target_include_dir): Remove.
4833 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4835 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4836 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4837 a high-level description.
4839 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4841 * final.c: Move the declaration of profile_label_no to ...
4842 * output.h: ... here.
4843 * function.c (expand_function_start): Call PROFILE_HOOK.
4844 * config/rs6000/aix.h: Define PROFILE_HOOK.
4845 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4846 * config/rs6000/rs6000.c (output_profile_hook): Define.
4847 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4848 output_profile_hook.
4849 tm.texi : Explain new macro PROFILE_HOOK.
4851 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4853 * extend.texi (Extended Asm): Do not say that semicolon is always
4854 a valid line-breaking character for GNU assemblers. Use
4855 newline-tab as the most commonly supported syntax. Use
4856 newline-tab rather than semicolon in multi-insn examples.
4858 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4860 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4862 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4863 David Edelsohn <edelsohn@gnu.org>
4865 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4866 code for AIX, even without flag_pic.
4868 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4870 * c-typeck.c (common_type): push and pop binding level around
4871 calling common_type on function parameters.
4873 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4875 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4877 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4879 * config/mips/mips.c (override_options): Fix typo in last change.
4880 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4881 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4883 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4885 * invoke.texi (-fdump-class-layout): Document.
4886 (-fdump-translation-unit): Use `=' as filename separator.
4888 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4890 * Makefile.in (s-mlib): Don't build multilibs if
4892 (DRIVER_DEFINES): Adjust accordingly.
4894 (protoize.o): Likewise.
4895 (unprotoize.o): Likewise.
4896 * configure.in: Recognize --enable-multilib.
4898 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4900 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4902 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4903 * configure.in: Remove --enable-libstdcxx_v3 support.
4904 * configure: Regenerated.
4906 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4908 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4909 Call abort instead of fatal.
4910 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4911 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4912 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4913 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4914 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4915 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4917 * diagnostic.h (set_internal_error_function): Renamed.
4918 * toplev.h (internal_error): Renamed from fatal.
4919 (pfatal_with_name): Deleted.
4920 (fatal_io_error): Now has printf-style arguments.
4921 * diagnostic.c (pfatal_with_name): Deleted.
4922 (fatal_io_error): Rework to have args in printf-style.
4923 (set_internal_error_function): Renamed from set_fatal_function.
4924 (internal_error): Renamed from fatal.
4925 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4926 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4927 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4928 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4929 * flow.c (verify_flow_info): Likewise.
4930 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4931 * config/mips/mips.c (save_restore_insns): Likewise.
4933 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4934 * flow.c (verify_flow_info): Likewise.
4935 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4936 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4937 (avr_normalize_condition): Likewise.
4938 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4939 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4940 (limit_reload_class, double_reg_to_memory): Likewise.
4941 (print_operand_address, emit_1600_code_shift): Likewise.
4942 (gen_tst_reg, gen_compare_reg): Likewise.
4943 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4944 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4946 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4948 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4949 * objc/objc-act.c (build_ivar_chain): Likewise.
4950 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4952 * graph.c (clean_graph_dump_file): Likewise.
4953 * profile.c (init_branch_prob): Likewise.
4954 * objc/objc-act.c (objc_init): Likewise.
4956 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4957 * config/avr/avr.c (avr_override_options): Likewise.
4958 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4959 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4960 * config/h8300/h8300.c (h8300_init_once): Likewise.
4961 * config/mips/mips.c (override_options): Likewise.
4962 * config/i386/i386.c (override_options): Likewise, rework.
4963 * config/m68k/m68k.c (override_options): Likewise.
4965 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4967 * config/mips/mips.c (print_operand): Likewise.
4968 * hash.c (hash_allocate): Don't check for failure returns from
4969 obstack functions that can't fail.
4970 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4971 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4972 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4973 (get_object_reference): Likewise.
4975 2001-02-04 Nick Clifton <nickc@redhat.com>
4977 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4978 StrongARM1110, 10TDMI, and 1020T.
4980 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4982 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4984 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4986 * config/sh/sh.md (movdf load split): Pass register number to
4987 FP_OR_XD_REGISTER_P.
4989 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4991 * cppinit.c (BC): New macro.
4992 (builtin_array): Add __GXX_WEAK__.
4993 * cpplib.h (builtin_type): Add BT_WEAK.
4994 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4995 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4996 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4998 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5000 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5002 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5004 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5005 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5007 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5009 * cpphash.h: Rename ALIGN _ALIGN.
5010 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5012 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5014 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5015 compilation environment.
5016 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5017 control over location of cygwin includes and libs.
5019 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5021 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5023 2001-02-02 lars brinkhoff <lars@nocrew.org>
5025 * md.texi (Standard Names): remove reference to spur.md.
5027 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5029 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5030 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5031 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5032 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5033 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5035 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5037 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5038 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5039 number before reload.
5040 (c4x_adjust_cost): Return zero before reload.
5041 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5042 split before reload.
5044 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5046 * c4x.c (c4x_hard_regno_rename_ok): New.
5047 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5048 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5050 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5052 * diagnostic.h: Add missing "extern" in all declarations.
5054 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5056 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5057 as for gcc_gxx_include_dir.
5059 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5061 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5063 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5065 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5066 label before alignment to be used as the braf base address.
5067 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5069 (casesi_jump_2): Require at least TARGET_SH2.
5071 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5072 truncation to 32-bit doubles on -m3e and -m4-single-only.
5074 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5076 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5077 the default when building a shared object.
5078 (init_spec): Use it.
5079 * testsuite/lib/g++.exp: Include the directory where libgcc
5080 is located to the LD_LIBRARY_PATH list.
5081 * invoke.texi (-shared-libgcc): Document the cases in which
5082 GCC defaults to using the shared libgcc.
5084 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5086 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5087 unsigned is wide enough.
5089 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5090 (si_to_float): Likewise.
5091 (float_to_si, float_to_usi): Use BITS_PER_SI.
5093 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5095 * dwarf2out.c: Added explanation of abbreviations.
5096 (def_cfa_1): Added comments listing DWARF2 instructions.
5097 (cfa_temp_reg): Removed in favor of cfa_temp.
5098 (cfa_temp_value): Removed in favor of cfa_temp.
5099 (cfa_temp): New global variable.
5100 (dwarf2out_frame_debug_expr): Added extensive introductory
5101 comments explaining the function's transformations. Revised to
5102 use cfa_temp. Added some rtx checking. Generalize IOR case.
5103 (dwarf2out_frame_debug): Revised to use cfa_temp.
5104 (output_aranges): Cast as "unsigned" to avoid warning.
5105 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5106 explain which instructions must be marked.
5108 2001-02-01 Richard Henderson <rth@redhat.com>
5110 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5113 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5115 * config/sh/crt1.asm (main_k): Modified so that start calls
5116 ___setup_argv_and_call_main.
5118 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5120 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5121 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5122 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5123 * cppmacro.c (builtin_macro): Set builtin flags here.
5124 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5125 (replace_args): Clarify intent.
5126 (cpp_get_token): Macro expansion tokens get the saved flags.
5128 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5131 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5133 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5136 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5138 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5139 returns Pmode pseudo, but we need ptr_mode.
5140 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5141 Remove bogus conversions; use HOST_WIDE_INT for size.
5142 Don't use TARGET if wrong mode.
5144 * config/i386/i386.c (ix86_compute_frame_size): Allow
5145 stack_alignment_needed to be non-default even if size is zero.
5147 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5149 * (hppa_init_pic_save): Emit the pic offset table
5150 reg save after last_parm_insn.
5151 * pa.c (hppa_init_pic_save): New function.
5152 * pa.h (hppa_init_pic_save): Declare.
5153 * pa.md (call, call_value, sibcall, sibcall_value): Use
5154 the above instead of duplicated code.
5156 * pa.c (hppa_encode_label): Correct size of alloca buffer
5157 so we don't overrun it. Correct leading `*' case.
5158 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5159 need to handle `*@'.
5160 (FUNCTION_NAME_P): Likewise.
5162 2001-01-31 Richard Henderson <rth@redhat.com>
5164 * config.gcc (alpha-osf5): Use float-i128.h.
5166 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5167 * config/float-i32.h: Likewise.
5168 * config/float-i64.h: Likewise.
5169 * config/float-sh.h: Likewise.
5170 * config/float-sparc.h: Likewise.
5172 2001-01-31 DJ Delorie <dj@redhat.com>
5174 * expmed.c (extract_bit_field): allow non-integral modes if we
5175 want to extract a whole register from itself.
5177 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5179 * c-typeck.c (set_init_index): If first is equal to last, assume as
5180 if it was not a range at all.
5182 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5184 * config/fp-bit.c: Include tm.h.
5185 (float_to_si): Don't assume SImode is 32-bits wide.
5186 (float_to_usi): Likewise.
5188 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5190 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5192 (typename): Call pending_xref_error after parsing typed_typespecs.
5193 * c-decl.c (lookup_tag): Give error immediately rather than
5194 leaving it pending if the tag of the wrong type is in the same
5196 (xref_tag): Don't pedwarn for forward declarations of enum types
5198 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5201 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5203 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5205 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5207 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5208 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5210 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5212 * cpphash.h (struct cpp_reader): New saved_flags.
5213 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5214 to avoid a paste after a pasted token.
5216 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5218 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5219 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5220 Wtype_MIN instead of LONG_MIN.
5222 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5224 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5226 * fixinc/fixincl.x: Regenerated.
5227 * fixinc/inclhack.def (irix_limits_const): New definition to
5228 convert "const" to "__const" in limits.h.
5230 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5232 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5234 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5236 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5237 when register dies in the insn.
5239 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5241 * diagnostic.c (fatal): Fix word wrap.
5243 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5245 * combine.c (try_combine): Fix SUBREG setting for
5246 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5248 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5250 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5253 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5255 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5257 * toplev.c (decode_W_option): Update warn_larger_than
5258 unconditionally for each processed switch.
5260 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5262 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5264 (hppa_expand_prologue): Delete code to save pic offset table register
5265 in the function prologue.
5266 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5267 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5268 table register at the beginning of the function after the prologue.
5270 2001-01-29 lars brinkhoff <lars@nocrew.org>
5272 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5274 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5275 Jeff Law <law@redhat.com>
5277 * pa.md (return): Revise comment for trivial return.
5278 (return_internal): Non-trivial return pattern for non-PIC code.
5279 (return_internal_pic): Non-trivial return pattern for PIC code.
5280 It uses the PIC register to ensure it is restored after
5282 (epilogue): Generate appropriate return for PIC and non-PIC code.
5284 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5286 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5288 2001-01-29 DJ Delorie <dj@redhat.com>
5290 * combine.c (if_then_else_cond): Pass the correct mode to
5291 operand_subword() for constants.
5293 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5295 * config/i386/cygwin.h: Add w32api to include search. Search different
5296 directories in a cross-build environment.
5298 2001-11-29 Tim Josling <tej@melbpc.org.au>
5300 * tree.h (TYPE_STUB_DECL): Add documentation.
5302 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5304 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5305 (sdbout_field_types): Likwise. Fix use of host_integerp.
5307 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5309 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5312 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5314 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5315 to use flag_gnu_linker.
5317 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5319 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5320 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5322 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5324 * tree.c, tree.h (build_parse_node): Remove; was identical to
5326 * c-lang.c (start_cdtor), objc/objc-act.c
5327 (build_module_descriptor): Use build_nt instead of
5330 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5332 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5333 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5334 not have any upper bits set.
5336 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5338 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5340 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5342 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5344 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5346 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5347 (integer_minus_one_node): Define.
5349 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5351 * Makefile.in (bootstrap2-lean): Fix typo.
5353 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5355 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5356 : Don't set fe_value.
5357 * cpplib.h (AVOID_LPASTE): New flag.
5358 (struct cpp_hashnode): Remove fe_value.
5359 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5360 * cppmacro.c (builtin_macro): Don't set flags here.
5361 (replace_args): Set AVOID_LPASTE flag on first token of an
5362 argument, and the token following it.
5363 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5364 macro expansion, and on the token following it. Do it for
5366 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5368 2001-01-27 Richard Henderson <rth@redhat.com>
5370 * config/alpha/t-ieee: Remove multilibbing.
5371 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5373 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5375 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5377 * Makefile.in: Remove all dependencies on defaults.h.
5378 * builtins.c: Don't include defaults.h.
5379 * c-common.c: Likewise.
5380 * c-decl.c: Likewise.
5381 * c-pragma.c: Likewise.
5382 * c-typeck.c: Likewise.
5383 * combine.c: Likewise.
5385 * frame-ia64.c: Likewise.
5386 * cppexp.c: Likewise.
5387 * crtstuff.c: Likewise.
5388 * dbxout.c: Likewise.
5389 * dwarf2out.c: Likewise.
5390 * dwarfout.c: Likewise.
5391 * emit-rtl.c: Likewise.
5392 * except.c: Likewise.
5394 * final.c: Likewise.
5395 * frame-dwarf2.c: Likewise.
5396 * libgcc2.c: Likewise.
5397 * optabs.c: Likewise.
5398 * profile.c: Likewise.
5399 * sdbout.c: Likewise.
5400 * toplev.c: Likewise.
5401 * tradcif.y: Likewise.
5403 * varasm.c: Likewise.
5405 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5407 * builtins.c (expand_builtin_fputs): Use size_one_node when
5408 transforming into fwrite.
5410 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5412 * extend.texi (Attribute Syntax): New section.
5414 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5416 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5417 they didn't need fixing.
5419 2001-01-27 Janis Johnson <janis@us.ibm.com>
5421 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5423 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5424 to remove macro definitions that are duplicated from elfos.h.
5426 2001-01-27 Richard Henderson <rth@redhat.com>
5428 * config/i386/sco5gas.h: Move ...
5429 * config/usegas.h: ... here.
5430 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5432 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5434 * c-typeck.c (struct constructor_stack): Add range_stack member.
5435 (really_start_incremental_init): Clear it.
5436 (push_init_level): Save constructor_range_stack and clear it if
5437 pushing explicit braces.
5438 (pop_init_level): abort if constructor_range_stack is non-zero at
5439 explicit closing brace. Restore saved constructor_range_stack if
5442 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5444 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5445 into register was forced into memory.
5447 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5449 * Makefile.in: Remove uses of + before $(MAKE).
5451 2001-01-26 Richard Henderson <rth@redhat.com>
5453 * stmt.c (cost_table): Remove.
5454 (COST_TABLE, cost_table_initialized): New.
5455 (estimate_case_costs): Use the later instead of the former.
5456 (balance_case_nodes): Likewise.
5458 2001-01-26 Richard Henderson <rth@redhat.com>
5460 * alias.c (objects_must_conflict_p): Read-only slots may not
5461 conflict despite having the same type.
5463 2001-01-27 Michael Hayes <mhayes@redhat.com>
5465 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5467 (check_ext_dependant_givs): Initialise u_start_val and
5469 (load_mems): Make last_max_reg unsigned.
5470 (try_swap_copy_prop): Use INSN_P and initialise set.
5472 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5474 * README.AVR : Removed.
5476 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5478 * pa-64.h (text_section): Remove declaration.
5480 * pa.md (return_internal): Remove mode on PIC register use.
5482 2001-01-25 lars brinkhoff <lars@nocrew.org>
5484 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5485 ASM_CLOSE_PAREN): fix typos.
5487 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5489 * acconfig.h: Define `const' to the empty string if neither
5490 __STDC__ nor __cplusplus is defined.
5491 * config.in: Regenerated.
5493 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5495 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5496 * collect2.c (main): Delete importf. Add ".obj" file extension.
5497 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5498 (aix_std_libs): Add additional AIX libraries to skip.
5499 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5500 * config/rs6000/aix51.h: New file.
5502 2001-01-25 Michael Hayes <mhayes@redhat.com>
5504 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5505 (loop_insn_emit_before): No longer static.
5506 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5507 (loop_givs_rescan, load_mems): Likewise.
5508 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5509 (maybe_eliminate_biv_1):
5510 (move_movables): Replace emit_call_insn_before with
5511 loop_call_insn_hoist.
5512 * loop.h (loop_insn_emit_before): Add.
5513 * unroll.c (copy_loop_body): Replace emit_insn_before with
5514 loop_insn_emit_before.
5516 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5518 * diagnostic.c (fatal): Request preprocessed source.
5520 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5522 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5523 olddecl has argument types and newdecl has none, use the argument
5526 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5528 * dwarf2out.c (prefix_of): New function. Determine longest common
5529 prefix of the two arguments. The units are whole path components.
5530 (output_file_names): When adding a new directory find the one entry
5531 with the longest common prefix already in the list. Artificially
5532 generate entry if there is none for this prefix.
5533 Fix test to check whether the zeroth directory entry is used.
5535 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5537 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5538 Changed all callers. Take it into account when deciding if a
5539 previously loaded value matches.
5541 2001-01-24 Richard Henderson <rth@redhat.com>
5543 * reload.c (find_reloads_subreg_address): Fail the substitution
5544 if the resulting address is insufficiently aligned.
5546 2001-01-24 DJ Delorie <dj@redhat.com>
5548 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5549 check the original operand's mode also.
5550 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5552 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5554 * c-parse.in (cast_expr): Move compound literals from here ...
5555 (primary): ... to here. Use standard terminology "compound
5556 literal" instead of "constructor expression".
5558 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5560 * gcc.1, cpp.1: Regenerate.
5562 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5564 * calls.c (emit_library_call_value_1): Memory slot for
5565 pass-by-reference argument should have the mode of the argument,
5566 not of the pointer to it.
5568 2001-01-24 Tom Tromey <tromey@redhat.com>
5570 * gcc.texi (G++ and GCC): Mention gcj manual.
5571 (Standards): Link to section of manual mentioning gcj/Java
5574 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5576 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5577 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5578 * tradcpp.c (main): Add -imacros or -include'd dependencies
5580 * cpp.texi (-M, -MM): Document -M -include behaviour.
5582 2001-01-24 Roger Collins <roger@ProProject.com>
5584 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5586 2001-01-24 Will Cohen <wcohen@redhat.com>
5588 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5589 whether registers are 32 bits or 64 bits in size.
5591 2001-01-24 Ben Elliston <bje@redhat.com>
5593 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5595 2001-01-24 Richard Henderson <rth@redhat.com>
5597 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5598 (builtin_longjmp): Use it instead of emit_indirect_jump.
5600 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5602 * bb-reorder.c (make_reorder_chain_1): Handle case where
5603 jump edge goes to the same block as the fallthru edge.
5605 2001-01-23 Jim Wilson <wilson@redhat.com>
5607 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5608 * frame.h (__ia64_personality_v1): Add prototype.
5609 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5610 prototype form. Add void * cast to first argument to personality
5612 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5613 (asctoe113): Likewise.
5614 * config/ia64/frame-ia64.c: Include eh-common.h.
5615 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5617 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5619 (itanium_split_issue): Add prototype.
5620 (gen_nop_type): Ifdef out.
5621 (find_best_packet): Initialize best_packet.
5622 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5624 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5625 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5626 (flushrs): Add explicit stop bit at end.
5627 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5630 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5632 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5634 * libgcc2.c (__terminate_func): Make variable static.
5635 (__terminate_set_func): New function to set __terminate_func.
5636 * libgcc2.h (__terminate_func_ptr): New typedef.
5637 (__terminate_set_func): New function.
5639 2001-01-23 Richard Henderson <rth@redhat.com>
5641 * flow.c (init_propagate_block_info): Don't consider unchanging
5642 memories for dead frame store elimination.
5644 2001-01-23 Richard Henderson <rth@redhat.com>
5646 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5647 * defaults.h: ... here.
5649 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5651 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5653 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5655 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5657 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5659 * rs6000.h (rs6000_return_addr): Move prototype from here...
5660 * rs6000-protos.h (rs6000_return_addr): ...to here.
5661 (rs6000_init_expanders): Delete prototype.
5663 2001-01-23 Nick Clifton <nickc@redhat.com>
5665 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5666 (Spec Files): Document %B and %j and %. and %v3 and %M and
5667 %{S*&T} spec switches.
5669 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5671 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5673 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5674 Neil Booth <neil@daikokuya.demon.co.uk>
5676 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5677 Have -Werror make pedantic warnings errors, like the
5680 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5682 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5684 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5686 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5687 * integrate.c (expand_inline_function): Initialize them.
5688 (subst_constants): If changing COMPARE so that both its arguments
5689 will be VOIDmode and the comparison mode will be lost, note
5690 compare_mode. Use the recorded compare_mode to optimize
5693 2001-01-23 Jason Merrill <jason@redhat.com>
5695 * dwarf2out.c (new_die): Use xcalloc.
5696 (output_die): Abort rather than emit a local reference to offset 0.
5698 2001-01-17 Andrew Haley <aph@redhat.com>
5700 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5701 of a saved register; return NULL instead.
5702 (copy_reg): Take a pointer to a source register rather than a
5704 (next_stack_level): Remember the address in the stack frame of all
5706 Use the saved register pointer array as the source of the CFA.
5707 (throw_helper): Rewrite. Unwind once rather than twice and keep
5708 track of saved registers as we go.
5710 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5712 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5713 * c4x.c (c4x_legitimize_reload_address): Remove.
5714 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5715 reload address for ldp(k) insn.
5717 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5719 * pa.md (return_internal): Add a USE of the PIC register to ensure
5720 it is restored after each call.
5721 (return expander): Corresponding changes.
5723 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5725 * rs6000.h (INIT_EXPANDERS): Delete.
5726 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5727 * rs6000.c (rs6000_override_options): Call *_machine_status from
5729 (rs6000_init_expanders): ...instead of here. Delete.
5730 (rs6000_mark_machine_status): New function.
5731 (rs6000_init_machine_status): Use xcalloc.
5732 (rs6000_return_addr): Generate RTX for the return address.
5733 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5734 (rs6000_stack_info): Use it.
5736 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5738 * gthr-win32.h: Include errno.h to get a declaration for
5739 EINVAL and _mingw.h if the target is mingw32.
5741 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5743 * cpp.texi: Correct typos.
5745 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5747 * explow.c (probe_stack_range): Ensure value passed to
5748 stack_check_libfunc is ptr_mode, not Pmode.
5750 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5752 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5753 case, don't use operand_subword to calculate a SUBREG that is
5756 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5758 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5760 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5761 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5762 valid. If not replace it by equivalent insns.
5764 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5766 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5767 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5768 (c4x_U_constraint, symbolic_address_operand): Likewise.
5769 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5771 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5772 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5773 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5774 anulling slot because of silicon bug.
5775 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5777 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5779 * cppexp.c (parse_charconst): Change `mask' type to agree
5782 2001-01-21 Richard Henderson <rth@redhat.com>
5784 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5785 pic_label_name in a linkonce section.
5787 2001-01-17 Philipp Thomas <pthomas@suse.de>
5789 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5791 * configure: Regenerate.
5793 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5795 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5796 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5798 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5800 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5801 If REVERSE nonzero then condition code in X must be reversed.
5802 (encode_section_info): Optimise if/else.
5803 (avr_function_value): Fix formatting.
5805 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5806 (difficult_branch): Likewise.
5807 (rvbranch): Likewise.
5808 (difficult_rvbranch): Likewise.
5810 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5812 * config/avr/libgcc.S: Fix comment.
5814 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5816 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5818 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5820 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5822 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5824 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5825 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5826 * configure, config.in: Regenerate.
5827 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5828 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5829 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5830 (doprint.o): New rule.
5832 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5834 * c-typeck.c (digest_init): Handle boolean types as scalars.
5836 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5838 * stmt.c (expand_return): Don't return anything if size is zero.
5839 Delete redundant assignment to BYTES.
5840 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5842 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5844 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5845 the same as the default library function names.
5846 * config/avr/avr.md: Document special characters after '%'.
5847 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5848 knowing which of the call-used registers are really clobbered.
5849 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5850 New. Both quotient and remainder from one libgcc.S call.
5851 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5852 clobber as few registers as possible.
5853 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5855 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5857 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5858 context of the top of the stack.
5860 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5862 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5863 (fixup_var_refs_insns): ...here.
5865 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5867 * function.c (fixup_var_refs_insns): Break up into
5868 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5869 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5870 [loop over hash table entries].
5871 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5872 fixup_var_refs_insns_with_hash, to match above changes.
5874 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5876 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5877 (libgcc.a): Likewise.
5878 (stmp-multilib): Likewise.
5879 (STAGE2_FLAGS_TO_PASS): Likewise.
5881 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5883 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5884 temporary if no_new_pseudos.
5886 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5888 * cppinternals.texi: Update.
5890 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5892 * arm.c (arm_init_builtins): Re-enable builtins.
5894 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5896 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5897 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5898 element to be null, and always expect an EXPR_LIST.
5899 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5900 * sched-deps.c (sched_analyze_1): Likewise.
5901 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5903 * regclass.c (max_set_parallel): New variable.
5904 (reg_scan): Take it into account in computation of max_parallel.
5905 (reg_scan_mark_refs, case SET): Compute it.
5907 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5909 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5910 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5912 2001-01-19 Jason Merrill <jason@redhat.com>
5914 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5915 for the abstract instance of an inline function.
5917 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5918 J"orn Rennecke <amylaar@redhat.com>
5920 * reload1.c (move2add_note_store): Treat all registers directly or
5921 indirectly derived from a base register as members of the same set
5923 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5924 of base register into account.
5926 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5928 * alias.c (find_base_value): Recognize TRUNCATE.
5929 (record_set): In PLUS case, invalidate if other summand is also a
5932 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5934 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5935 entry to be EXPR_LIST.
5936 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5937 be an EXPR_LIST (but not null, which other code doesn't allow).
5938 (note_stores): Properly handle PARALLEL in SET.
5939 Recursively call for top-level PARALLEL.
5940 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5941 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5943 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5945 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5947 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5948 not pfile->skipping (== 0).
5950 2001-01-17 Nick Clifton <nickc@redhat.com>
5952 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5955 2001-01-17 Jim Wilson <wilson@redhat.com>
5957 * invoke.texi (IA-64 options): Improve.
5959 2001-01-17 Tom Tromey <tromey@redhat.com>
5961 * invoke.texi (Optimize Options): Use `{}' to around @samp
5964 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5966 * invoke.texi (-fno-guess-branch-probability): New option.
5968 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5970 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5971 case of making new double-word constant.
5972 Revert last change: instead just test i3_subst_into_i2.
5974 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5976 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5977 Use q constraints instead of r.
5979 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5981 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5982 (machine_function): Define.
5983 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5984 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5985 pa_free_machine_status): New functions.
5986 (override_options): Set {init,mark,free}_machine_status to above.
5987 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5988 PIC_OFFSET_TABLE_REGNUM_SAVED.
5989 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5990 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5991 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5992 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5993 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5995 2001-01-15 DJ Delorie <dj@redhat.com>
5997 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6001 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6003 * flow.c (propagate_on_insn): Make trying to delete a prologue
6004 or epilogue insn an ICE, not a warning. Allow doing this if
6005 the current function returns with stack pointer depressed.
6007 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6008 I3 having more than one SET.
6010 2001-01-16 Jim Wilson <wilson@redhat.com>
6012 * invoke.texi: Document IA-64 options.
6014 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6015 (fixup_errata): Delete TARGET_A_STEP use.
6016 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6017 (TARGET_SWITCHES): Delete -ma-step option.
6018 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6019 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6020 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6021 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6022 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6023 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6025 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6026 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6027 cmovsi_internal): Delete ! TARGET_A_STEP check.
6029 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6031 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6032 possibility to report bugs via postal mail. Change a URL and
6033 merge in a nearly duplicate statement...
6034 (Bug Reporting): ...from here.
6035 (Service): Refer to the Bug Reporting section instead of
6037 (Contributing): Remove trivial explanations concerning snapshots.
6039 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6041 * cppmain.c (general_init): Don't use ANSI prototype.
6043 2001-01-16 Tom Tromey <tromey@redhat.com>
6045 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6047 2001-01-16 Richard Henderson <rth@redhat.com>
6049 * config/i386/i386.h: Fix comment typo.
6050 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6051 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6053 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6055 * gcc.c: Revert previous -fsyntax-only-related change; move
6058 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6060 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6061 inmode after checking GET_CODE (op).
6063 2001-01-16 Richard Henderson <rth@redhat.com>
6065 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6066 (MAX_MEM_SET_LIST_LEN): New.
6067 (propagate_one_insn): Update mem_set_list_len.
6068 (invalidate_mems_from_autoinc): Likewise.
6069 (invalidate_mems_from_set): Likewise.
6070 (mark_used_regs): Likewise.
6071 (init_propagate_block_info): Likewise. Stop collecting memories
6072 when we reach MAX_MEM_SET_LIST_LEN.
6073 (mark_set_1): Likewise.
6075 2001-01-16 Richard Henderson <rth@redhat.com>
6077 * unroll.c (precondition_loop_p): Fail if no iteration
6080 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6082 * gcc.c: When -fsyntax-only is given, do not complain about
6085 2001-01-15 Richard Henderson <rth@redhat.com>
6087 * config/i386/i386.c (asm_output_function_prefix): Remove.
6088 (ix86_asm_file_end): New.
6089 (load_pic_register): Generate pic_label_name into a
6090 staticly allocated buffer.
6091 * config/i386/i386-protos.h: Update.
6092 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6093 (ASM_FILE_END): New.
6094 * config/i386/i386afe.h: New file.
6095 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6096 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6097 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6098 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6099 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6100 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6101 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6103 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6105 * Makefile.in (install-man): Remove explicit dependency on
6108 * configure.in, configure: Revert previous patch requiring perl
6111 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6113 * toplev.c (flag_guess_branch_prob): New.
6114 (f_options): Add guess-branch-probability option.
6115 (rest_of_decl_compilation): Only estimate branch probability if
6117 (main): set flag_guess_branch_prob.
6119 * flags.h (flag_guess_branch_prob): New.
6121 2001-01-15 DJ Delorie <dj@redhat.com>
6123 * gcc.texi (Makefile): Add documentation for Makefile targets.
6125 2001-01-15 Philip Blundell <philb@gnu.org>
6127 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6129 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6130 (is_pic): Delete declaration.
6131 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6132 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6133 * config/arm/arm.md (builtin_setjmp_receiver): New.
6135 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6137 * arm.c (use_return_insn): Don't try to determine the function type
6138 until after reload has completed.
6139 (arm_output_epilogue): Don't adjust the sp value recovered from the
6141 (emit_multi_reg_push): Don't record dwarf information for the pc.
6142 * arm.md (eh_epilogue): The function type may have changed, so it
6143 needs to be recalculated.
6144 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6145 unwind tables on arm/netbsd.
6147 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6149 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6150 (negated_cbranchsi4): Likewise.
6152 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6154 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6155 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6156 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6157 pass -mapcs-* options to assembler.
6158 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6159 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6160 (ASM_SPEC): Call subtarget_extra_asm_spec.
6162 2001-01-15 Andreas Jaeger <aj@suse.de>
6164 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6166 (ix86_expand_builtin): Likewise.
6168 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6169 warning about comparison between signed and unsigned.
6171 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6173 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6175 2001-01-14 Ralf Baechle <ralf@gnu.org>
6177 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6178 SUBTARGET_CPP_SPEC apropriatly.
6180 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6182 * varasm.c (make_decl_rtl): Fix typo in last change.
6184 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6186 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6187 linker supports the init_priority C++ attribute.
6188 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6189 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6190 linker does not support init_priority C++ attribute.
6192 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6194 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6196 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6198 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6199 * cp/lex.c (finish_parse): Similarly.
6200 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6201 Return the number of errors encountered.
6202 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6203 * cppmain.c (main): Don't call cpp_destroy.
6205 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6207 * configure.in: Require at least perl 5.6.0 to regenerate
6209 * configure: Regenerate.
6211 2001-01-14 Richard Henderson <rth@redhat.com>
6213 * genrecog.c (DT_veclen_ge): New.
6214 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6215 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6216 (nodes_identical_1): Handle DT_veclen_ge.
6217 (write_cond, debug_decision_2): Likewise.
6219 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6221 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6223 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6225 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6227 * cppmain.c (do_preprocessing): New function; most of the old
6229 (main): Call it to do most of the work.
6230 (cb): Move from global scope to set_callbacks ().
6231 (setup_callbacks): Get the callback pointer.
6232 (general_init, printer_init): Clean up code and comments.
6234 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6236 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6239 2001-01-14 Kazu Hirata <kazu@hxi.com>
6241 * config/h8300/h8300.c (get_shift_alg): Update comments.
6243 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6245 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6246 (alloc_page, ggc_alloc): Add casts to remove warnings.
6248 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6250 * combine.c (simplify_comparison): Don't change `code' when
6251 can't reverse comparison.
6253 2001-01-14 Richard Henderson <rth@redhat.com>
6255 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6256 update all call sites. Return true for all non-label constants.
6258 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6260 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6262 (ix86_expand_branch): Update.
6263 (ix86_expand_setcc): Update to handle multiple test conditions.
6264 (expand_int_movcc): Likewise.
6265 (expand_fp_movcc): Likewise.
6266 * i386-protos.h (ix86_expand_compare): New.
6267 * i386.md (andqi_?_slp, orqi_?_slp): New.
6268 (conditional trap expander): Update call to ix86_expand_compare.
6270 2001-01-14 Richard Henderson <rth@redhat.com>
6272 * config/vax/vax.md: Use nonimmediate_operand instead of
6273 general_operand in destinations.
6275 * config/vax/vax.md (indirect_jump): Use register_operand.
6277 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6278 * config/vax/vax.md (call_pop): Turn into an expander.
6279 (call_value_pop): Likewise.
6280 (call, call_value): New.
6282 2001-01-14 Andreas Jaeger <aj@suse.de>
6284 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6286 (ix86_fp_compare_mode): Add unused attribute.
6287 (ix86_expand_fp_movcc): Remove unused variable.
6288 (ix86_expand_builtin): Make fcode unsigned.
6290 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6291 (expand_expr): Add cast to avoid signed warning.
6292 (store_field): Likewise.
6293 (store_constructor_field): Likewise.
6294 (store_constructor): Likewise.
6295 (store_expr): Likewise.
6296 (clear_storage): Likewise.
6297 (emit_group_store): Likewise.
6298 (emit_group_load): Likewise.
6300 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6302 * c-common.c: Move format checking code to ...
6303 * c-format.c: ... here. New file. Reorder some functions and
6305 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6307 * c-common.h (decl_handle_format_attribute,
6308 decl_handle_format_arg_attribute): Declare.
6309 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6310 (c-common.o): Adjust dependencies.
6311 (c-format.o): New list of dependencies.
6313 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6315 * unroll.c (loop_iterations): If we cannot prove iteration variable
6316 is set once in each iteration, punt.
6318 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6320 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6321 (*strlenhi): Remove clobber (which was buggy) of output address.
6323 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6325 * Makefile.in (generated-manpages): Add gcc.1
6326 ($(srcdir)/gcc.1): New target.
6327 (maintainer-clean): Delete $(srcdir)/gcc.1.
6328 * gcc.texi: Add macros @gccoptlist and @gol.
6329 * invoke.texi: Include option summary in manpage. Mark up option
6330 summary with @gccoptlist and @gol. Use @r in one place where
6332 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6333 * gcc.1: Generate from invoke.texi.
6335 2001-01-13 Richard Henderson <rth@redhat.com>
6337 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6338 (struct page_entry): Add group member.
6339 (struct page_group): New.
6340 (struct globals): Add page_groups member.
6341 (alloc_anon): Only define for using mmap; remove valloc call.
6342 (page_group_index): New.
6343 (set_page_group_in_use): New.
6344 (clear_page_group_in_use): New.
6345 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6346 (free_page, release_pages): Likewise.
6347 * configure.in (with-gc): Default to ggc-page always.
6349 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6351 * reload1.c (replace_pseudos_in_call_usage): Use
6352 reg_equiv_constant and reg_equiv_address, and don't try
6353 regno_reg_rtx first.
6355 2001-01-13 Richard Henderson <rth@redhat.com>
6357 * ggc-page.c (alloc_page): Round up allocation size to one page.
6358 Set e->order on extra pages.
6360 2001-01-13 Richard Henderson <rth@redhat.com>
6362 * genrecog.c (nodes_identical): Expand commentary.
6363 (write_switch): Watch out for identical nodes.
6365 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6367 * cppfiles.c (_cpp_fake_include): New function.
6368 * cpphash.h (_cpp_fake_include): New.
6369 * cpplib.c (do_line): Call _cpp_fake_include when entering
6370 header files in preprocessed input.
6371 * cppmain.c (cb_pragma_implementation): Remove handling.
6372 (setup_callbacks): Don't register pragmas.
6374 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6376 * extend.texi: Udate for CPP.
6378 2001-01-13 Andreas Jaeger <aj@suse.de>
6380 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6382 * regmove.c: Add prototype for replace_in_call_usage.
6384 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6386 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6387 struct cpp_chunk, struct htab, struct toklist,
6388 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6389 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6390 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6391 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6392 (struct macro_args): Delete.
6393 * cpphash.h: See above.
6395 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6397 * cppmain.c (struct printer): Remove no_line_dirs.
6399 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6400 : Use options rather than CPP_OPTION.
6401 (setup_callbacks): Use cb rather than pfile->cb.
6402 (main): No need to check for a buffer. Use cpp_errors.
6403 (printer_init): Don't set no_line_dirs.
6404 (maybe_print_line): Use options not no_line_dirs.
6405 (cb_file_change): Don't call print_line if -P.
6407 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6409 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6411 * c-parse.in (finish_parse): Use cpp_errors.
6412 (__yylex): Use return value of cpp_pop_buffer.
6413 * cp/lex.c (finish_parse): Use cpp_errors.
6414 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6416 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6418 * README.AVR: URLs corrected.
6420 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6422 * c-decl.c (start_function): Don't warn if old prototype is builtin
6423 that's not in C's namespace.
6424 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6425 (_bb): Add prototype for ctime.
6426 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6428 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6430 * i386.c (ix86_fp_comparison_arithmetics_cost,
6431 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6432 ix86_fp_comparison_cost): New functions.
6433 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6434 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6435 two-branch sequences; make static.
6436 (ix86_use_fcomi_compare): Do decision according to the costs.
6437 (split_fp_branch): New.
6438 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6439 * i386-protos.h (ix86_expand_fp_compare): Remove
6440 (ix86_split_fp_branch): Declare.
6442 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6443 and ix86_comparison_operator.
6445 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6448 * i386.c (put_condition_code): Output properly the unordered/ordered
6449 compares in fp case.
6450 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6452 * tm.texi (REVERSE_CONDITION): Document.
6453 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6454 in -ffast-math mode.
6455 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6457 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6459 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6461 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6464 * config/sh/sh.c (mova_p): Fix test for mova_const.
6466 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6468 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6469 cpp_get_options rather than dereferencing pfile and using
6471 * scan-decls.c (scan_decls): Use return value of
6472 cpp_pop_buffer rather than CPP_BUFFER.
6474 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6476 * cppinit.c (cpp_handle_option): help_only is now part of the
6477 cpp_options structure.
6478 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6479 cpp_set_callbacks): New functions.
6480 * cpplib.h (cpp_callbacks): Break out as a named structure.
6481 (cpp_options): Move help_only here from cpp_reader.
6482 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6483 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6484 cpp_set_callbacks): New prototypes.
6485 * cppmain.c (main): Update for help_only.
6487 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6489 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6490 Also build and remove and install and uninstall c-tree.info and
6492 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6493 ($(srcdir)/cppinternals.info): New target.
6494 * c-tree.texi: Change file name used when makeinfo used without -o
6495 from ir.info to c-tree.info. Add info directory entry.
6496 * cppinternals.texi: Add info directory entry.
6497 * .cvsignore: Update.
6499 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6501 * c-typeck.c (store_init_value): Don't require constant initializer
6502 elements with -pedantic -std=c99.
6503 (digest_init): Change error about non-constant initializer elements
6505 (constructor_range_end): Remove.
6506 (constructor_incremental, designator_depth,
6507 designator_errorneous): New variables.
6508 (struct constructor_stack): Remove range_end, add incremental.
6509 (struct constructor_range_stack, constructor_range_stack): New.
6510 (struct initializer_stack): Add constructor_range_stack.
6511 (finish_init): Set it.
6512 (start_init): Likewise. require_constant_elements for non-static
6513 trees only if not flag_isoc99.
6514 (really_start_incremental_init): Remove constructor_range_end, add
6515 constructor_incremental.
6516 (pop_init_level): Likewise.
6517 (push_init_level): Likewise. If implicit and the subobject had some
6518 value set already, preinitialize the level with it.
6519 Warn about missing braces only if not pushing due to designators.
6520 (set_designator, push_range_stack): New functions.
6521 (set_init_label): Use them.
6522 (set_init_index): Likewise. Remove constructor_range_end.
6523 Error if designator index is outside of array bounds.
6524 (add_pending_init): Compare values of purpose index trees, not the
6525 trees themselves. Allow overwriting of already initialized element.
6526 Issue a warning if it had side-effects.
6527 (set_nonincremental_init, set_nonincremental_init_from_string): New
6529 (pending_init_member): Rename to...
6530 (find_init_member): ...this function. Call set_nonincremental_init
6531 if necessary. Compare values of purpose index trees, not the trees
6532 themselves. Return the actual value, not just non-zero if something
6534 (output_init_element): Remove checks for duplicates.
6535 If field has zero size, only check the initializer for correctness.
6536 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6537 if constructor_incremental is zero. Change error about initializers
6538 not computable at load time into pedwarn.
6539 (output_pending_init_elements): Compare bit positions, not
6540 FIELD_DECLs to take into account zero-sized fields.
6541 (process_init_element): Use constructor_range_stack to fill all
6542 ranges in the designator lists from current level up.
6543 * extend.texi: Update documentation for labeled elements.
6545 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6547 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6548 to function usage for arguments passed by reference. Optimize
6549 callee-copied arguments.
6550 * regmove.c (replace_in_call_usage): New function.
6551 (fixup_match_1): Call it.
6552 * cse.c (cse_insn): Canonicalize registers in function usage.
6553 * reload1.c (replace_pseudos_in_call_usage): New function.
6556 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6559 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6561 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6564 2001-01-12 DJ Delorie <dj@redhat.com>
6566 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6567 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6570 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6572 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6573 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6574 -std options alongside references to -ansi. Update some
6575 documentation for C99.
6576 * cpp.1: Regenerate.
6578 2001-01-12 Andreas Jaeger <aj@suse.de>
6580 * haifa-sched.c (restore_line_notes): Remove argument block B
6582 * sched-ebb.c (schedule_ebb): Change caller.
6583 * sched-rgn.c (schedule_region): Likewise.
6584 * sched-int.h (restore_line_notes): Adjust prototype.
6586 * loop.h: Remove wrong declaration of doloop_condition_get.
6588 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6590 * extend.texi: Move C++-extension-related node from the C section
6591 into the C++ section.
6593 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6595 * extend.texi: Refer to an array of pointers to functions instead
6596 of one of functions.
6598 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6599 Jan Hubicka <jh@suse.cz>
6601 * combine.c (reversed_comparison): Fix typo in last patch.
6603 (combine_reversed_comparison_code): Make static to follow
6604 prototype declaration.
6606 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6608 * install.texi: Remove misplaced duplicate entry.
6610 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6612 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6614 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6616 * final.c: (leaf_function_p): Fix typo.
6618 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6620 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6621 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6623 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6624 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6625 mmap_anon, and valloc is available.
6626 * ggc-page.c: Restructure ifdef logic to match new autoconf
6627 spec. Don't throw away the test page in init_ggc.
6629 * configure, config.in: Regenerate.
6631 2001-01-12 Michael Hayes <mhayes@redhat.com>
6633 * loop.h (total_biv_increment): Constify iv_class pointer.
6634 (struct induction): Replace `mem_mode' with `mem' rtx.
6635 * unroll.c (total_biv_increment): Constify iv_class pointer.
6636 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6637 (find_mem_givs, combine_givs_p): Likewise.
6638 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6640 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6642 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6644 (__gthread_getspecific): Ditto.
6646 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6648 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6649 put_condition_code): Convert fp comparison codes to integer
6651 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6654 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6655 * i386-protos.h (no_comparison_operator): Kill.
6657 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6659 * combine.c (REVERSIBLE_CC_MODE): Remove.
6660 (reversible_comparison_p): Remove.
6661 (combine_reversed_comparison_code): New.
6662 (reversed_comparison): New.
6663 (combine_simplify_rtx): Use
6664 combine_reversed_comparison_code/reversed_comparison instead
6665 of reversible_comparison_p.
6666 (simplify_if_then_else): Likewise.
6667 (simplify_set): Likewise.
6668 (simplify_logical): Likewise.
6669 (if_then_else_cond): Likewise.
6670 (known_cond): Likewise.
6671 (simplify_comparison): Likewise.
6673 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6675 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6676 sizeof (int) is larger than sizeof(__word__).
6678 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6680 * cppinit.c (do_includes): Fix typo.
6682 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6684 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6685 in S_REGS does not occur because not all sources are possible
6686 when a S_REGS is a destination (sometimes needs a clobber).
6687 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6688 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6689 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6690 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6691 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6692 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6693 (lshrdi_const1, lshrsi3_const16): Likewise.
6694 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6695 (*movhi_68hc12, *movqi_68hc12): Likewise.
6696 (movstrictqi): Make sure reloading in D_REGS as a destination
6699 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6701 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6703 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6705 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6706 -D, -U and -A, and don't initialize the builtins.
6707 (do_includes): Error if -include or -imacros with -fpreprocessed.
6708 * cppmain.c (cb_define, cb_undef): Unconditionally process
6710 * tradcpp.c (main): Fix typo.
6712 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6714 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6715 (read_name_map): Use IS_ABSOLUTE_PATH.
6716 * tradcpp.c (get_filename): Likewise.
6718 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6720 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6721 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6722 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6723 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6724 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6725 (cmphi_z_used): Don't use '@' for the output.
6726 (tstqi_z_used): Likewise.
6727 (cmpqi_z_used): Likewise.
6728 (one_cmplsi2): Likewise.
6730 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6732 * config/sh/sh.c (barrier_align): Recognize branch around far
6733 branch and redundant insn.
6735 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * invoke.texi: Restore documentation of the drivers' switches -MD
6740 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6742 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6744 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6745 check-objc//%): Support parallel testing of multilibs.
6746 (TESTSUITEDIR): Set to testsuite by default, but override for
6748 (check-gcc, check-g++, check-g77, check-objc): Enter
6751 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6753 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6754 * sched-deps.c (deps_may_trap_p): Likewise.
6755 * basic-block.h: Remove a comment.
6756 * flow.c (PROP_POSTRELOAD): Remove.
6757 (update_life_info): Don't add it to prop_flags.
6758 (mark_set_1): Lose the code that was enabled by it.
6760 2001-01-11 Michael Hayes <mhayes@redhat.com>
6762 * flow.c (flow_call_edges_add): New.
6763 * basic_block.h (flow_call_edges_add): New.
6765 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6767 * reload1.c (move2add_note_store): Update reg_set_luid even if
6768 base reg remains the same.
6770 2001-01-10 Nick Clifton <nickc@redhat.com>
6772 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6773 machine_function structure to zero.
6774 Add prototypes for machine_status functions.
6776 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6778 * c-common.h (CTI_VOID_LIST): Remove.
6779 (void_list_node): Likewise.
6780 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6781 (void_list_node): New macro.
6782 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6783 * config/i386/i386.c (ix86_init_builtins): Likewise.
6784 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6786 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6788 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6789 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6791 * tradcpp.c: Include mkdeps.h.
6792 (deps, print_deps_phony_targets, deps_append, output_deps,
6793 init_dependency_output, output_deps): New.
6794 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6795 deps_output): Delete.
6796 (print_deps_missing_files): Rename deps_missing_files.
6797 (inhibit_output): Make global.
6798 (main): Delete inhibit_output, deps_stream, deps_target.
6799 Use mkdeps functionality in the same way as cpplib. Remove
6800 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6801 -M and -MM. Remove old handling of deps via deps_out, and
6802 old reading of environment variables.
6803 (get_filename): Update to use deps_add_dep.
6805 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6807 * output.h (make_function_rtl): Remove prototype.
6808 (make_decl_rtl): Likewise.
6809 * varasm.c (make_function_rtl): Remove.
6810 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6811 than from a third parameter.
6812 * tree.h (make_decl_rtl): Remove last parameter.
6813 * c-decl.c (builtin_function): Remove last argument in call to
6814 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6815 (start_function): Likewise.
6816 * except.c (call_get_eh_context): Likewise.
6817 * expr.c (emit_block_move): Likewise.
6818 (clear_storage): Likewise.
6819 * profile.c (output_func_start_profiler): Likewise.
6820 * toplev.c (rest_of_decl_compilation): Likewise.
6821 * objc/objc-act.c (create_builtin_decl): Likewise.
6822 (synth_module_prologue): Likewise.
6823 (generate_static_reference): Likewise.
6824 (build_selector_reference_decl): Likewise.
6825 (build_class_reference_decl): Likewise.
6826 (build_objc_string_decl): Likewise.
6827 (build_protocol_reference): Likewise.
6829 2001-01-10 Richard Henderson <rth@redhat.com>
6831 * hwint.h: Revert yesterday's change.
6833 2001-01-10 Nick Clifton <nickc@redhat.com>
6835 * function.h (save_machine_status): Delete.
6836 (restore_machine_status): Delete.
6837 Amend comment describing {init|mark|free}_machine_status.
6839 * function.c (save_machine_status): Delete.
6840 (restore_machine_status): Delete.
6841 Amend comment describing {init|mark|free}_machine_status.
6842 (push_function_context_to): Remove invocation of
6843 save_machine_status.
6844 (pop_function_context_from): Remove invocation of
6845 restore_machine_status.
6847 * emit-rtl.c (init_emit_once): Amend comment describing
6848 {init|mark|free}_machine_status.
6850 * tm.texi (Per-Function Data): New node. Describe the
6851 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6854 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * cppinit.c (OPT_g): Remove.
6857 (cpp_handle_option): Update for removed -g3.
6858 (print_help): Update.
6859 * cpplib.h (struct cpp_options): Remove debug_output.
6860 * cppmain.c (setup_callbacks, cb_define): Update.
6861 * gcc.c (cpp_options): Translate -g3 to -dD.
6863 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6865 * config/i960/i960.md: Change modifier to + on the zero_extract
6866 pattern after the (rotate -2 reg) canonicalization pattern.
6868 2001-01-10 Richard Henderson <rth@redhat.com>
6870 * config/alpha/alpha.c (alpha_free_machine_status): New.
6871 (override_options): Install it.
6872 (alpha_mark_machine_status): Verify machine non-null.
6873 * config/i386/i386.c (ix86_free_machine_status): New.
6874 (override_options): Install it.
6875 (ix86_init_machine_status): Use xcalloc.
6876 (ix86_mark_machine_status): Verify machine non-null.
6877 * config/ia64/ia64.c (ia64_free_machine_status): New.
6878 (ia64_override_options): Install it.
6879 (ia64_mark_machine_status): Verify machine non-null.
6881 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6883 * function.c (instantiate_virtual_regs): Instantiate virtual
6884 registers found in CALL_INSN_FUNCTION_USAGE.
6886 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6888 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6889 equivalent to -ansi in disabling -Di386.
6891 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6893 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6895 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6897 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6899 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6901 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6903 * invoke.texi: Document that -fcond-mismatch isn't supported for
6906 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6908 * gcc.texi: Define macro gcctabopt.
6909 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6910 @command, @env and @option in some places where appropriate. Use
6911 @gcctabopt where appropriate. Put URLs and email addresses inside
6914 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6916 * gcc.c (cpp_options): Set MD file name from output
6917 filename, if specified.
6918 (suffix_subst): New static variable.
6919 (do_spec): Clear it.
6920 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6922 (give_switch): Handle suffix_subst.
6924 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6926 * invoke.texi: Fix another typo.
6928 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6930 * invoke.texi: Fix typo.
6932 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6934 * c-lang.c (lang_hooks): Update.
6935 (lang_decode_option): Remove.
6936 (lang_init_options): Rename c_init_options.
6937 * toplev.c (main): Use lang_hooks for lang_init_options
6938 and lang_decode_option.
6939 * toplev.h (lang_hooks): Add 2 new hooks.
6940 * tree.h: Remove lang_init_options and lang_decode_option.
6941 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6942 * cp/decl2.c: Similarly.
6943 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6944 (lang_hooks): Update.
6945 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6947 (lang_init_options): Rename ffe_init_options.
6948 (lang_hooks): Update.
6949 (lang_decode_option): Remove.
6950 * java/lang.c (lang_init_options): Rename java_init_options.
6951 (lang_decode_option): Rename java_decode_option.
6952 (lang_hooks): Update.
6953 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6954 (lang_decode_option): Rename objc_decode_option.
6955 (lang_hooks): Update.
6957 2001-01-09 Nick Clifton <nickc@redhat.com>
6959 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6960 (d30v_return_addr_rtx): Delete.
6961 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6962 cfun->machine structure.
6963 (struct machine_function): Move to d30v.h
6964 (d30v_save_machine_status): Delete.
6965 (d30v_restore_machine_status): Delete.
6966 (d30v_init_machine_status): New Function.
6967 (d30v_mark_machine_status): New Function.
6968 (d30v_free_machine_status): New Function.
6969 (d30v_init_expanders): Use new functions.
6970 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6971 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6972 d30v_return_addr_rtx.
6974 * config/d30v/d30v.h (struct_machine): Move here.
6975 Add eh_epilogue_sp_ofs field.
6977 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6978 field in cfun->machine structure.
6980 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6982 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6983 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6984 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6986 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6988 * objc/lang-options.h: Remove bogus reference to
6991 2001-01-09 Kazu Hirata <kazu@hxi.com>
6993 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6996 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6998 * reload.c (find_reloads_address): Check for eliminable registers
6999 when substituting a constant expression for a pseudo.
7001 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7003 * c-common.c (enum format_type): Add format_type_error.
7004 (decode_format_type): New function.
7005 (decl_attributes): Use it.
7006 (format_kind_info): Adjust comment.
7008 2001-01-09 David O'Brien <obrien@BSDi.com>
7010 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7011 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7013 * config/i386/gnu.h: Don't include required platform specific .h files,
7014 tm.h will do it instead.
7015 * config/i386/i386elf.h: Likewise.
7016 * config/i386/linux.h: Likewise.
7017 * config/i386/moss.h: Likewise.
7018 * config/mips/gnu.h: Likewise.
7020 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7022 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7023 (rs6000-ibm-aix3.[01]*): Likewise.
7024 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7025 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7026 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7027 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7028 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7029 (powerpc-*-eabiaix*): Likewise.
7030 (powerpc-*-eabisim*): Likewise.
7031 (powerpc-*-elf*): Likewise.
7032 (powerpc-*-eabi*): Likewise.
7033 (powerpc-*-rtems*): Likewise.
7034 (powerpc-*-linux*libc1): Likewise.
7035 (powerpc-*-linux*): Likewise.
7036 (powerpc-wrs-vxworks*): Likewise.
7037 (powerpcle-wrs-vxworks*): Likewise.
7038 (powerpcle-*-sysv*): Likewise.
7039 (powerpcle-*-elf*): Likewise.
7040 (powerpcle-*-eabisim*): Likewise.
7041 (powerpcle-*-eabi*): Likewise.
7042 (powerpcle-*-solaris2*): Likewise.
7043 * config/rs6000/aix31.h: Delete includes.
7044 * config/rs6000/aix3newas.h: Likewise.
7045 * config/rs6000/aix41.h: Likewise.
7046 * config/rs6000/aix43.h: Likewise.
7047 * config/rs6000/beos.h: Likewise.
7048 * config/rs6000/rtems.h: Likewise.
7049 * config/rs6000/sysv4.h: Likewise.
7051 2001-01-09 Kazu Hirata <kazu@hxi.com>
7053 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7054 Change an argument mode of machine_mode to shift_mode of
7055 shift_mode. Remove an extra error check.
7056 (emit_a_shift): Adopt to the new calling prototype of
7058 (function_prologue): Fix code for a monitor
7059 function. Support H8/S.
7060 (function_epilogue): Do not output pop for a monitor function.
7062 2001-01-09 Nick Clifton <nickc@redhat.com>
7064 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7065 (setup_incoming_varargs): Use sysv_varargs_p field of the
7066 cfun->machine structure.
7067 (struct machine_function): Move to rs6000.h
7068 (rs6000_save_machine_status): Delete.
7069 (rs6000_restore_machine_status): Delete.
7070 (rs6000_init_machine_status): New Function.
7071 (rs6000_free_machine_status): New Function.
7072 (rs6000_init_expanders): Use new functions.
7074 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7076 (struct machine_function): Move here.
7078 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7079 sysv_varargs_p field of the cfun->machine structure.
7081 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7083 (rs6000_restore_machine_status): Remove prototype.
7085 2001-01-09 Richard Henderson <rth@redhat.com>
7087 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7088 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7089 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7090 (sched_analyze_2, sched_analyze_insn): Likewise.
7091 (sched_analyze, init_deps): Likewise.
7092 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7093 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7094 (compute_block_backward_dependences): Update propagate_deps call.
7096 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7098 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7100 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7102 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7103 (cpp_handle_option): Handle them.
7104 (cpp_post_options): Ensure one of -M or -MM is specified with
7105 any other -M? option.
7106 (init_dependency_output): Suppress output with -MG.
7108 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7111 * invoke.texi: Update.
7113 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7115 * sh.md (reload_outsf): Generate recognizable patterns for
7118 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7120 * c-lang.c (lang_hooks): Update.
7121 (lang_init): Rename c_init.
7122 (lang_finish): Remove.
7123 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7125 * toplev.h (lang_hooks): Add init () and finish ().
7126 * tree.h (lang_init, lang_finish): Remove.
7127 * cp/tree.h (lang_init, lang_finish): Remove.
7128 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7129 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7131 (lang_init, lang_finish): Remove.
7132 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7133 (lang_hooks): Update.
7134 * java/lang.c (lang_init): Rename java_init.
7135 (lang_finish): Remove.
7136 (lang_hooks): Update.
7137 * objc/objc-act.c (lang_init): Rename objc_init.
7138 (lang_finish): Remove.
7139 (lang_hoooks): Update.
7141 20001-01-09 Graham Stott <grahams@redhat.com>
7143 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7144 after `ptr` is initialised.
7146 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7148 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7149 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7150 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7151 stack adjusts, instead of r3.
7153 2001-01-09 Michael Hayes <mhayes@redhat.com>
7155 * flow.c (flow_loop_scan): Break out of ...
7156 (flow_loops_find) ... here.
7157 * basic-block.h (flow_loop_scan): New.
7158 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7159 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7161 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7163 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7165 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7166 realloc()ing macro_buffer.
7168 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7169 if it's wider than long and the target's long is wider than the
7172 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7174 Remove support for using UWIN as a host machine.
7175 * configure.in: Issue an error message.
7176 * configure: Regenerated.
7177 * config.gcc: Remove xm_* UWIN configury.
7178 * config/i386/xm-uwin.h: Remove.
7180 2001-01-08 Nick Clifton <nickc@redhat.com>
7182 * config/v850/v850.c (ra_rtx): Delete.
7183 (v850_save_machine_status): Delete.
7184 (v850_restore_machine_status): Delete.
7185 (v850_init_machine_status): New function.
7186 (v850_mark_machine_status): New function.
7187 (v850_free_machine_status): New function.
7188 (v850_return_addr): Use ra_rtx field in machine structure.
7189 (v850_init_expanders): Use new functions.
7191 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7192 * config/v850/v850.c: Change arguments to v850_output+* functions
7193 to take a const char *, to avoid compile time warning.
7194 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7195 (USER_LABEL_PREFIX): Redefine.
7197 2000-01-08 Jim Wilson <wilson@redhat.com>
7199 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7200 1 to unsigned HOST_WIDE_INT before left shift.
7202 2001-01-08 Nick Clifton <nickc@redhat.com>
7204 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7205 the machine structure has been allocated.
7206 (arm_free_machine_status): New function: Free the machine
7207 specific function structure.
7209 2001-01-08 Richard Henderson <rth@redhat.com>
7211 * jump.c (simplejump_p): Revert last change.
7213 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7215 * cppinit.c (init): Rename init_library.
7216 (cpp_create_reader): Update.
7217 * gcc.c (cpp_options): If -o given, use it as the target of
7220 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7222 * arm.c (arm_arch5e): New variable.
7223 (all_cores): XScale is a 5TE device.
7224 (arm_override_options): Set arm_arch5e.
7225 (arm_init_builtins): __builtin_prefetch is in arch5e.
7226 * arm.h (arm_arch5e): Declare it.
7228 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7230 * arm.md (define_constants): Add defines for UNSPEC and
7231 UNSPEC_VOLATILE insns. Update all users.
7232 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7233 * arm.c (multi_register_push, note_invalid_constants)
7234 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7235 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7236 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7238 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7240 * jump.c (jump_optimize_1): Use reversed_comparison_code
7241 instead of can_reverse_comparison_p.
7242 (jump_back_p): Likewise.
7243 (invert_exp_1): Likewise.
7244 (thread_jumps): Likewise.
7245 * simplify-rtx.c (simplify_unary_operation): Likewise.
7246 (simplify_ternary_operation): Likewise.
7247 * cse.c (find_comparison_args): Convert to use
7248 can_reverse_comparison_p.
7249 (record_jump_equiv): Likewise.
7251 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7253 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7254 (EPILOGUE_USES): Define.
7255 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7256 automatically stack the LR if it isn't live.
7258 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7260 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7263 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7265 * ggc-page.c (max_alignment): New structure.
7266 (MAX_ALIGNMENT): New macro.
7267 (init_ggc): Use it to round up the sizes in the
7268 extra_order_size_table.
7270 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7272 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7275 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7277 * builtins.def (BUILT_IN_FPRINTF): New entry.
7279 * c-common.c (c_expand_builtin_fprintf): New function.
7280 (init_function_format_info): Handle __builtin_fprintf.
7281 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7282 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7284 * c-decl.c (duplicate_decls): Adjust comment.
7286 * extend.texi (fprintf): Document new builtin.
7288 2001-01-07 Richard Henderson <rth@redhat.com>
7290 * jump.c (simplejump_p): Recognize any single_set jump
7293 2001-01-07 Richard Henderson <rth@redhat.com>
7295 * configure.in (slibdir): Accept an --with-slibdir option.
7296 Use "test" not "[" in configure. Default to $(libdir).
7298 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7300 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7301 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7302 (SHLIB_LINK): Create links for the soname.
7303 * config/mips/t-iris6: Likewise.
7304 * config/sparc/t-slibgcc: Likewise.
7305 * config/sparc/t-slibgcc-sld: Likewise.
7307 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7309 * config/i386/i386.c (constant_call_address_operand): Accept
7310 (const (plus (symbol_ref) (const_int))).
7311 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7312 constant_call_address_operand.
7314 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7316 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7317 and LONG_LONG_TYPE_SIZE > 32.
7319 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7321 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7322 the previous change.
7324 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7326 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7328 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7329 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7330 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7333 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7335 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7337 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7339 * c-lang.c (c_post_options): Call cpp_post_options.
7340 * objc/objc-act.c (objc_post_options): Similarly.
7341 * cppmain.c (main): Similarly.
7342 * fix-header.c (read_scan_file): Similarly.
7343 * cppinit.c (cpp_start_read): Move option consistency checks
7344 to cpp_post_options. Don't call init_dependency_output.
7345 If needed, add default target and main file dependency.
7346 (OPT_MD, OPT_MMD): Remove.
7348 (cpp_handle_option): Update for OPT_* changes.
7349 (cpp_post_options): New.
7350 (init_dependency_output): Command line -MF overrides environment
7351 variables. Don't set default target etc. Suppress output
7352 if dependencies are going to stdout.
7353 (print_help): Update.
7354 * cpplib.h (cpp_post_options): New.
7355 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7357 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7359 * jump.c (comparison_dominates_p): Support unordered compares.
7361 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7363 * simplify-rtx.c (simplify_relational_operation): Always simplify
7364 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7367 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7369 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7370 (nonzero_bits): Likewise.
7371 (simplify_comparison): Likewise.
7372 (num_sign_bit_copies): Likewise; return more sane value depending
7373 on STORE_FLAG_VALUE.
7374 (known_cond): Do not assume EQ to be always true for equivalent
7377 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7379 * cse.c (fold_rtx): Handle unordered comparisons.
7381 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7383 * rtlanal.c (set_of_1): New static function.
7384 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7385 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7386 reg_set_last_last_regno): Remove.
7387 (set_of): New global function.
7388 (set_of_data): New structure.
7389 (reg_set_p, reg_set_last): Revamp for set_of.
7390 * rtl.h (set_of): New.
7392 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7394 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7395 * extend.texi: Document _Exit builtin.
7397 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7399 * (initialize, initialize_builtins,
7400 initialize_dependency_output, initialize_standard_includes):
7401 Rename s/initialize/init. Update.
7402 (init_dependency_output): Move to after
7403 cpp_handle_options, the correct location temporally at least.
7404 (opt_comp): Move next to init (), its caller. Fix prototype.
7405 (init): Make "initialized" local scope.
7406 (cpp_create_reader): Always call init ().
7407 (cpp_start_read): Update.
7408 (output_deps): New function, broken out of cpp_finish.
7409 (cpp_finish): Break out output_deps.
7411 2001-01-07 Richard Henderson <rth@redhat.com>
7413 * collect2.c (COFF specific stuff): Revert 12-06 patch
7414 to prototype system functions.
7416 2001-01-07 Michael Hayes <mhayes@redhat.com>
7418 * hard-reg-set.h: Add multiple include guard.
7419 * basic-block.h (struct loop): Add `sink' field.
7420 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7421 (emit_iv_add_mult): Delete.
7422 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7423 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7424 (unroll_loop): Remove end_insert_before argument.
7425 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7426 (maybe_eliminate_biv_1): Likewise.
7427 (emit_iv_add_mult): Delete.
7428 (gen_add_mult, loop_regs_update): New.
7429 (loop_insn_emit_after, loop_insn_emit_before): New.
7430 (loop_insn_sink, loop_insn_sink_or_swim): New.
7431 (emit_iv_add_mult): Delete.
7432 (scan_loop): Set loop->sink.
7433 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7434 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7435 (maybe_eliminate_biv_1): Likewise.
7436 (maybe_eliminate_biv_1): Add basic block argument.
7437 * unroll.c (unroll_loop): Remove end_insert_before argument.
7438 (find_splittable_regs): Likewise.
7439 (find_splittable_regs): Use loop_insn_sink and its ilk.
7440 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7442 2001-01-07 Michael Hayes <mhayes@redhat.com>
7444 * loop.h (loop_insn_hoist): New prototype.
7445 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7446 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7447 (check_dbra_loop, load_mems): Likewise.
7448 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7449 (find_splittable_givs): Likewise.
7451 2001-01-07 Michael Hayes <mhayes@redhat.com>
7453 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7455 2001-01-07 Richard Henderson <rth@redhat.com>
7457 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7459 2001-01-07 Richard Henderson <rth@redhat.com>
7461 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7462 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7463 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7464 variant that handles a shared libgcc.
7465 (process_command): Always validate -{static,shared}-libgcc.
7466 (do_spec_1): New 'M' case.
7467 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7469 2001-01-07 Richard Henderson <rth@redhat.com>
7471 * Makefile.in (slibdir): New variable.
7472 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7473 (installdirs): Create slibdir.
7474 (install-libgcc, install-multilib): Defer to libgcc.mk.
7475 * configure.in (slibdir): Substitute.
7476 * mklibgcc.in (install): New target.
7478 * config/t-linux (SHLIB_LINK): Create links for the soname.
7479 (SHLIB_INSTALL): New.
7480 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7481 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7482 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7483 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7484 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7486 2001-01-07 Richard Henderson <rth@redhat.com>
7488 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7489 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7490 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7492 2001-01-07 Michael Hayes <mhayes@redhat.com>
7494 * loop.c (count_loop_regs_set): Delete.
7495 (load_mems_and_recount_loop_regs_set): Delete.
7496 (loop_regs_scan): Merge common code from count_loop_regs_set,
7497 scan_loop, and load_mems_and_recount_loop_regs_set.
7498 (scan_loop): Call load_mems directly and loop_regs_scan
7499 again if new registers created.
7501 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7503 * toplev.c (main): Call the front-end specific post_options
7504 hook if one is given.
7505 * toplev.h (struct_lang_hooks, lang_hooks): New.
7506 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7507 for the C front end.
7508 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7509 lang_hooks for the C++ front end.
7510 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7511 lang_hooks for the ObjC front end.
7512 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7513 * java/lang.c (lang_hooks): Hooks for the Java front end.
7515 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7517 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7518 for verbose DWARF[2] debugging.
7519 (cb_define, cb_undef): The new callbacks.
7520 * toplev.h (debug_define, debug_undef): Make const correct.
7521 * toplev.c (debug_define, debug_undef): Similarly. Do not
7522 perform the verbosity tests here anymore.
7524 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7526 * reload.c (subst_reloads): Take INSN argument. When
7527 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7528 * reload.h (subst_reloads): Adjust prototype.
7529 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7530 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7531 present in JUMP_INSNs and copy them to JUMP_LABEL.
7532 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7533 JUMP_INSNs and insns with REG_LABELs that are followed by
7534 JUMP_INSNs with the same REG_LABEL.
7535 * sched-rgn.c (is_cfg_nonregular): Likewise.
7536 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7538 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7540 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7542 2001-01-06 Richard Henderson <rth@redhat.com>
7544 * loop.c (scan_loop): Use xcalloc for the regs array.
7545 (load_mems_and_recount_loop_regs_set): Zero the new memory
7546 received from xrealloc.
7548 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7550 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7552 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7554 * integrate.c (copy_rtx_and_substitute): When copying
7555 an ignored return value, strip REG_FUNCTION_VALUE_P.
7557 2001-01-06 Michael Hayes <mhayes@redhat.com>
7559 * loop.c (debug_biv, debug_giv): New.
7560 (loop_biv_dump): Break out from ...
7561 (record_biv): ... here.
7562 (loop_giv_dump): Break out from ...
7563 (record_giv): ... here.
7564 (loop_bivs_check): Use print_simple_rtl.
7565 * unroll.c (loop_iterations): Use print_simple_rtl.
7567 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7569 * pa.md (return, return_internal): Modify patterns to prevent regrename
7570 mucking with the return pointer.
7572 2001-01-05 Richard Henderson <rth@redhat.com>
7574 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7576 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7578 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7579 version supplied by Matteo Frigo.
7581 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7583 * cpp.texi: Update for -MQ.
7584 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7585 (cpp_cleanup): Always free pfile->deps.
7586 (initialize_dependency_output): Don't create pfile->deps.
7587 (cpp_handle_option): Similarly.
7589 * gcc.c (cpp_options): Handle -MQ.
7590 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7591 * mkdeps.c (base_name): Remove.
7592 (deps_init): Don't allocate vector space until it's needed.
7593 (deps_free): Only free vectors if allocated.
7594 (deps_add_target, deps_add_dep): Update for initial allocation.
7595 (deps_add_default_target): Don't strip to the base_name.
7597 2001-01-05 DJ Delorie <dj@redhat.com>
7599 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7600 (INIT_EXPANDERS): Define.
7602 * config/v850/v850.c (struct machine_function): Define.
7603 (v850_save_machine_status): New function.
7604 (v850_restore_machine_status): New function.
7605 (v850_return_addr): New function.
7606 (v850_init_expanders): New function.
7608 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7609 and v850_init_expanders.
7611 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7613 * cpplib.h (struct cpp_reader): Add help_only field.
7614 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7615 (cpp_handle_option): Set pfile->help_only if we see -h,
7616 --help, -target-help, or --version. Print version string but
7617 do not set help_only if we see -v or -version. Make text
7618 printed by -v match that printed by (-)-version.
7620 * cppmain.c (main): Exit after option parsing if
7621 pfile->help_only is true.
7623 * toplev.c (independent_decode_option): Call print_version,
7624 then exit, if we see --version (but not -version).
7625 (print_version): Split lengthy message into two lines.
7627 2001-01-05 Nick Clifton <nickc@redhat.com>
7629 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7630 temporary string for initialisation before calling ggc_alloc_string.
7632 2001-01-06 Michael Hayes <mhayes@redhat.com>
7634 * rtl.h (print_simple_rtl): New.
7635 * print-rtl.c (print_simple_rtl): New.
7637 (print_rtx): Disable printing of flags and modes, etc.,
7638 if `flag_simple` nonzero.
7640 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7642 * function.c (fixup_var_refs): Use push_to_full_sequence where
7645 2001-01-05 Michael Meissner <meissner@redhat.com>
7647 * flags.h (flag_reorder_blocks): Add declaration.
7648 (flag_rename_block): Ditto.
7650 2001-01-05 DJ Delorie <dj@redhat.com>
7652 * function.c (reorder_blocks): Make sure the flags are all reset
7653 before using them to mark blocks, else a second invocation will
7654 corrupt the block chain.
7655 (reorder_blocks_0): New, resets the flags.
7657 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7659 * cse.c (find_comparison_args): Stop if the argument is known to
7662 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7664 * config/sh/sh.md (movdf): When splitting load into pair of
7665 registers, don't clobber the register used in the address too
7668 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7670 * varasm.c (mark_constant_pool): Improve initial comments.
7671 (mark_constants): Move marking of constants to mark_constant.
7672 (mark_constant): New function to recursively mark all constants
7673 referred to by a constant.
7675 2001-01-05 Catherine Moore <clm@redhat.com>
7677 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7679 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7681 * cp/lang-options.h: Bring comment in line with reality.
7682 * f/lang-options.h: Likewise.
7683 * java/lang-options.h: Likewise.
7684 * objc/lang-options.h: Likewise.
7685 * ch/lang-options.h: Likewise.
7686 * f/g77.texi: And update the manual.
7688 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7689 Denis Chertykov <denisc@overta.ru>
7691 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7692 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7693 * config/avr/avr.md (all peepholes that request a scratch register):
7694 Call it, FAIL the peephole if not safe (in interrupt functions).
7696 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7698 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7700 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7702 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7704 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7705 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7706 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7707 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7708 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7710 * extend.texi: Document these builtins.
7712 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7714 * c-common.c (lang_get_alias_set): Say we know nothing of
7715 VECTOR_TYPE aliasing.
7717 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7719 2001-01-05 Bruce Korb <bkorb@gnu.org>
7721 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7722 their x* equivalent versions for atexit-less systems
7723 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7724 systems (or any other system any more).
7726 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7728 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7729 output operands. Use arm_hard_register_operand for operand 4.
7730 (stmsi_postinc): Similarly.
7731 (ldmsi): Use arm_hard_register_operand for opernand 2.
7733 * arm.c (arm_hard_register_operand): New function.
7734 * arm-protos.h (arm_hard_register_operand): Prototype it.
7736 * arm.h (HARD_REGNO_RENAME_OK): Define.
7738 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7740 * simplify-rtx.c (cfc_args): add "unordered" field.
7741 (check_fold_consts): Set unordered field.
7742 (simplify_relational_operation): Simplify the unordered
7745 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7748 * emit-rtl.c (try_split): Fix code to mark labels.
7749 * jump.c (mark_jump_label): Make global.
7750 * rtl.h (mark_jump_label): Declare.
7752 * predict.c (estimate_probability): Handle unordred comparisons.
7754 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7756 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7757 * cppinit.c (initialize_dependency_output): Update.
7758 (cpp_finish): Output dummy targets for -MP.
7760 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7761 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7762 * gcc.c (cpp_options): Update to handle -MP.
7763 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7764 to quote only the default target.
7765 (deps_phony_targets): Insert a preceding newline. Rename from
7766 deps_dummy_targets for consistency.
7769 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7771 * calls.c (emit_library_call_value_1): Support
7772 INIT_CUMULATIVE_LIBCALL_ARGS.
7773 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7775 2001-01-04 Richard Henderson <rth@redhat.com>
7777 * c-decl.c (finish_struct): Detect flexible array members
7778 used in an inappropriate context.
7779 * c-typeck.c (really_start_incremental_init): Special case
7780 constructor_max_index for zero length arrays.
7781 (pop_init_level): Allow initialization of flexible array
7782 members. Deprecate initialization of zero length arrays.
7783 Don't issue missing initializer warning for flexible array
7784 members or zero length arrays.
7785 (process_init_element): Don't dereference null DECL_SIZE.
7786 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7787 Don't abort for empty constructors. Use size_binop
7788 (output_constructor): Add commentary regarding zero length
7789 array futures. Abort if we try to initialize an array of
7790 unspecified length with a non-empty constructor in the middle
7793 * extend.texi (Zero Length): Update and clarify documentation
7794 on static initialization.
7796 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7798 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7799 with more than 32767 words of local storage.
7801 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7803 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7804 for 'abs', 'labs', and 'fabs'.
7805 (c4x_expand_builtin): Likewise.
7806 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7808 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7810 * config/sh/sh.md (prget, prset): New insn types.
7811 (return delay slot): Dont' allow prset.
7812 (call, sfunc delay slot): Don't allow prget.
7813 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7814 for prset and prget.
7816 2001-01-05 Michael Hayes <mhayes@redhat.com>
7818 * loop.h (struct loop_reg): New.
7819 (struct loop_regs): Change to use array of `struct loop_reg'.
7820 * loop.c: Replace assortment of varrays with single regs array.
7821 (count_one_set): Delete may_not_move array argument
7822 and use regs array instead. All caller's changed.
7823 (count_loop_regs_set): Delete may_not_move and single_usage
7824 arguments and use regs array instead. All caller's changed.
7825 (find_single_use_in_loop): Replace usage array argument with pointer
7826 to regs structure. All caller's changed.
7827 (loop_optimize): Delete `moved_once' array.
7829 2001-01-05 Michael Hayes <mhayes@redhat.com>
7831 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7832 Use it instead of loop_info->has_call for scanning loop mems.
7833 (check_dbra_loop): Replace loop_info->has_call test with
7834 loop_info->has_nonconst_call.
7836 2000-01-04 Matthew Hiller <hiller@redhat.com>
7838 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7841 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7843 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7844 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7846 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7848 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7849 (flag_short_double, flag_short_wchar): Define.
7850 (c_common_nodes_and_builtins): Create many tree nodes shared
7851 between C and C++ here instead of in cp/decl.c and ...
7852 * c-decl.c (init_decl_processing): ... here.
7853 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7854 (flag_short_double, flag_short_wchar): Don't define.
7855 (record_builtin_type): New function.
7856 (build_void_list_node): New function.
7857 * c-common.h (flag_short_double, flag_short_wchar,
7858 record_builtin_type, build_void_list_node): Declare.
7860 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7862 * integrate.c (expand_inline_function): Don't put a virtual
7863 register into the reg map.
7865 * function.c (fixup_var_refs_1): If force_operand didn't put
7866 the address into the target, move it there.
7868 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7870 Special-case tree_decl/tree_list allocations.
7871 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7872 (OBJECT_SIZE): New macro.
7873 (NUM_EXTRA_ORDER): Likewise.
7874 (extra_order_size_table): New variable.
7875 (NUM_ORDERS): New macro.
7876 (objects_per_page_table): New variable.
7877 (object_size_table): New variable.
7878 (G.pages): Use NUM_ORDERS to bound the array.
7879 (G.page_tails): Likewise.
7880 (DIV_ROUND_UP): Remove.
7881 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7882 (alloc_page): Use OBJECT_SIZE.
7883 (size_lookup): Don't make it const.
7884 (ggc_alloc): Use OBJECT_SIZE.
7885 (ggc_set_mark): Likewise.
7886 (ggc_get_size): Likewise.
7887 (init_ggc): Set up the object_size_table, objects_per_page_table,
7888 and adjust size_lookup.
7889 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7890 (ggc_pop_context): Use NUM_ORDERS.
7891 (clear_marks): Likewise.
7892 (sweep_pages): Likewise.
7893 (poison_pages): Likewise.
7894 (ggc_print_statistics): Use OBJECT_SIZE.
7896 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7898 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7899 Only call array_size_for_constructor if last field and array type
7900 with no upper bound.
7902 2001-01-04 Philip Blundell <philb@gnu.org>
7904 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7905 from bit 31 downwards, if this requires no more insns.
7906 (count_insns_for_constant): New helper function for above.
7908 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7910 * gencodes.c (output_predicate_decls): Remove empty initializer.
7912 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7914 * tree.c (copy_node): Remove documentation about obstacks.
7915 (buidl1): Check that nobody tries to build 2-argument nodes this
7918 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7920 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7923 * gencodes.c (output_predicate_decls): Fill empty initializer
7926 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7928 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7929 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7931 (do_include): Handle missing headers like cpp0.
7932 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7933 paths with first include pathname. Don't strcat to uninitialized
7936 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7938 * regrename.c (regrename_optimize): Don't rename from frame pointer
7939 if frame_pointer_needed.
7940 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7941 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7942 (ia64_reorg): Use it instead of scheduling if ! optimize.
7943 (errata_emit_nops): Properly call asm_noperands.
7944 (ia64_sched_reorder): Finish cycle if we see an asm.
7945 (ia64_variable_issue): Clear scheduling state after asms.
7947 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7949 * cpp.texi: Update for -MT.
7950 * cppinit.c (initialize_dependency_output): Add a default
7951 target if none has been given already.
7952 (no_tgt, OPT_MT): New.
7953 (cpp_handle_option): Handle -MT. Update -M etc.
7954 * cpplib.h (struct cpp_options): Remove deps_target.
7955 * gcc.c (cpp_options): Handle -MT.
7956 * mkdeps.c (struct deps): Move from mkdeps.h.
7957 (deps_calc_target): Rename deps_add_default_target. Add a
7958 default target if none has been specified already.
7959 * mkdeps.h (struct deps): Move to mkdeps.c.
7960 (deps_calc_target): Rename deps_add_default_target.
7962 2000-01-03 Richard Henderson <rth@redhat.com>
7964 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7966 * c-typeck.c (push_init_level): Move checks for flexible array
7967 members and zero length arrays ...
7968 (pop_init_level): ... here. Silently discard empty initializations.
7970 * varasm.c (output_constructor): Update for sizeof change to
7973 * extend.texi (Zero Length): Clarify semantics.
7975 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7977 * configure.in (tm.h): Include isns-codes.h last.
7978 * configure: Rebuilt.
7980 2001-01-03 Richard Henderson <rth@redhat.com>
7982 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7983 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7985 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7987 * tradcpp.c (main): Make sure finclude() is called with a valid
7988 indepth value while handling -include.
7990 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7992 * gencodes.c (output_predicate_decls): New function.
7994 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7995 even if it is not the first time machmode.h is #included.
7996 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7997 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7998 * gcc.texi (Copyright): Added 2001.
8000 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8002 * c-common.c (c_common_lang_init): New function. Warn if format
8003 warning options which only have effects when used with -Wformat
8004 are used without -Wformat.
8005 * c-common.h (c_common_lang_init): Declare.
8006 * c-lang.c (lang_init): Call c_common_lang_init.
8007 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8009 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8011 * configure.in: Check for the mktemp command.
8012 * configure: Regenerate.
8013 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8014 $TEMP. Create temporary files with mktemp, if available at
8015 configure time; otherwise use set -C. Remove temporary files
8018 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8020 * configure.in: Require at least texinfo 4.0. Check for whether
8021 Pod::Man is sufficiently recent to regenerate GCC manpages.
8022 * configure: Regenerate.
8023 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8025 (GENERATED_MANPAGES): Define.
8026 (generated-manpages): New target. Depend on cpp.1 as well as
8028 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8029 configure to generated-manpages or empty) rather than on the
8030 manpages directly. Remove execute permission from installed
8031 gcov.1 as well as cpp.1.
8032 * cpp.1, gcov.1: Regenerate.
8034 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8036 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8037 tree_low_cst. Allow using cmpstrsi in more cases.
8039 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8041 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8044 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8046 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8047 * Makefile.in (HOST_CFLAGS): Mention build-make.
8049 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8051 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8054 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8056 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8059 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8062 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8063 reg_base_value and reg_known_value arrays.
8064 (init_alias_analysis): Add more cases to detect known values.
8065 * sched-deps.c (deps_may_trap_p): New function.
8066 (sched_analyze_2): Use it.
8068 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8070 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8071 don't discard an ASHIFTRT if we're shifting in a wider mode.
8073 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8075 * toplev.c (rest_of_compilation): Don't print basic block information
8076 when CFG isn't up to date.
8078 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8080 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8081 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8082 (UNALIGNED_SHORT_ASM_OP): Define.
8083 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8085 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8087 * fold-const.c (fold_convert): Fix typo.
8089 2001-01-02 Richard Henderson <rth@redhat.com>
8091 * c-common.h (ASM_INPUT_P): New.
8092 * c-parse.in (asm): Set it when needed.
8093 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8094 existance of an operand.
8096 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8098 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8099 (dwarf2out_frame_debug_expr): Likewise.
8100 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8102 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8104 * i386.c (ix86_split_to_parts): Return number of part required;
8106 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8108 (ix86_split_long_move): Use number of part returned
8109 by ix86_split_to_parts
8110 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8112 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8113 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8114 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8115 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8116 (ALIGN_MODE_128): Add TFmode.
8117 (IS_STACK_MODE): Likewise.
8118 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8119 (HARD_REGNO_OK): Support TFmodes.
8120 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8121 * i386.md (scheduler definitions): Use memory operand to determine
8122 fst/fld instructions; use mode attribute to determine real mode of
8124 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8125 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8127 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8129 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8131 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8133 * expr.c (store_constructor_field): Update ALIGN before calling
8136 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8138 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8141 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8143 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8146 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8148 * c-decl.c (start_function): Don't warn on third parameter to main.
8150 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8152 * tsystem.h: Define HAVE_DECL_GETOPT.
8154 2001-01-02 Philip Blundell <pb@futuretv.com>
8156 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8159 2001-01-02 Richard Henderson <rth@redhat.com>
8161 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8163 2001-01-02 Andreas Jaeger <aj@suse.de>
8165 * c-decl.c (c_decode_option): Remove support of
8168 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8169 (W_options): Add -Wmissing-noreturn here.
8171 * flow.c: Define lang_missing_noreturn_ok_p.
8172 (check_function_return_warnings): Use it.
8174 * c-common.h: Declare lang_missing_noreturn_ok_p.
8176 * c-lang.c (c_missing_noreturn_ok_p): New function.
8177 (lang_init): Set lang_missing_noreturn_ok_p.
8179 * invoke.texi (Warning Options): Document this.
8181 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8183 * extend.texi (C++ Extensions): New node for C++ attributes;
8184 describe init_priority and com_interface.
8185 * invoke.texi: Remove -finit-priority as it now has zero effect.
8186 * install.texi: Fix xref syntax.
8187 * md.texi: Likewise.
8189 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8191 * config.gcc (sparc64-wrs-vxworks*): New case.
8192 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8194 * config/sparc/sparc.c (sparc_override_options): Do support different
8195 pointer and architecture size.
8196 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8197 (POINTERS_EXTEND_UNSIGNED): Define.
8198 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8199 (FUNCTION_MODE): Define to be Pmode.
8200 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8202 * function.c (expand_function_end): Properly handle DECL_RESULT
8203 and copy when ptr_mode != Pmode.
8204 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8206 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * c-common.c (c_common_nodes_and_builtins): Set prototype
8209 parameters for __builtin_fputs, __builtin_fputc and
8210 __builtin_fwrite. Don't declare plain fputc as a builtin.
8212 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8214 * loop.c (add_label_notes): Increment the label usage count when
8215 a note is added to an insn which refers to a CODE_LABEL.
8216 * gcse.c (add_label_notes): Likewise.
8218 2001-01-01 Andreas Jaeger <aj@suse.de>
8220 * loop.c (scan_loop): Use xmalloc to allocate movables.
8222 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8224 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8225 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8226 * reload1.c (REGISTER_MOVE_COST): Likewise.
8227 * regclass.c (REGISTER_MOVE_COST): Likewise.
8228 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8229 dimension. Adjust all users.
8230 (init_reg_sets_1): Iterate on all modes.
8231 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8232 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8233 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8234 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8235 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8236 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8237 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8238 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8239 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8240 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8241 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8242 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8243 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8244 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8245 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8246 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8247 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8248 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8249 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8250 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8251 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8252 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8253 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8254 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8255 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8256 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8257 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8259 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8261 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8262 arg VARIES_P. Call it with extra arg.
8263 (true_dependence): Likewise.
8264 * rtl.h (rtx_addr_can_trap_p): Declare.
8265 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8267 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8268 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8269 pic offset table register if it's zero. All callers changed.
8270 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8272 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8274 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8275 STRING_POOL_ADDRESS_P.
8277 * config/sparc/sparc.c (input_operand): Properly test for short op.
8279 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8280 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8281 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8282 * config/sparc/elf.h: No longer include sol2.h.
8283 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8284 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8286 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8288 2001-01-01 Michael Hayes <mhayes@redhat.com>
8290 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8291 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8292 (record_initial): Likewise.
8293 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8294 (remap_split_bivs): Likewise.
8296 2001-01-01 Michael Hayes <mhayes@redhat.com>
8298 * loop.c (loop_ivs_free): New function.
8299 (strength_reduce): Break out from...
8301 2001-01-01 Michael Hayes <mhayes@redhat.com>
8303 * loop.h (struct iv): New.
8304 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8305 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8306 'reg_biv_class' fields with 'regs' and 'n_regs'.
8307 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8308 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8309 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8311 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8313 * resource.c (mark_referenced_resources): Abort() before
8314 attempting to mark a pseudo register.
8315 (mark_set_resources): Likewise.
8317 2001-01-01 Michael Hayes <mhayes@redhat.com>
8319 * loop.h (REG_IV_CLASS): New accessor macro.
8320 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8321 * unroll.c (REG_IV_CLASS): Likewise.
8323 See ChangeLog.4 for earlier changes.