1 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * tree.def (ARRAY_RANGE_REF): New code.
4 * alias.c (handled_component_p, can_address_p): Handle it.
5 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6 * explow.c (set_mem_attributes): Likewise.
7 * expr.c (expand_assignment, get_inner_reference): Likewise.
8 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
9 * fold-const.c (operand_equal_p): Likewise.
10 * tree.c (staticp, stabilize_reference): Likewise.
11 * varasm.c (decode_addr_const): Likewise.
13 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
16 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
18 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
20 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
21 mark_constant_pool_use before output_addr_const.
22 (struct pool_node): New field wend.
23 (add_constant): Note a sequence of constants that are referenced
25 (pool_window_label, pool_window_last): New variables.
26 (dump_table): Emit a unspec_volatile representing the end of a
27 sequence of constants.
28 (mark_constant_pool_use): New function.
29 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
30 (consttable_2): Add the second operand which flags whether
31 this consttable entry was used or not.
32 (consttable_4, consttable_8, consttable_sf, consttable_df):
34 (consttable_window_end): New insn.
36 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
38 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
39 Reformat according to coding standards.
42 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
43 (shl_and_kind): Cast wide constant.
44 (gen_far_branch): Define as static, as in declaration.
45 (barrier_align): Compute cache-line length as unsigned. Add
46 parentheses in initial credit computation.
47 (rounded_frame_size): Add parentheses.
48 (permanent_obstack): Remove declaration. Include ggc.h for
49 declaration of ggc_add_root_rtx().
50 (get_free_reg): Removed declaration of unused variable reg.
51 (legitimize_pic_address): Mark mode argument as unused.
53 2001-06-03 Igor Shevlyakov <igor@windriver.com>
55 * config/sh/sh.c (output_branch): Support for insn with lenght
56 attr 12 & 16 which represents cond branches outside +-4096 range.
58 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
60 * config/sh/lib1funcs.asm (ic_invalidate): Align the
61 cache-mirroring sequence. Add nops.
63 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
65 * doc/install-old.texi: Remove more old installation
67 * doc/install.texi: Add relevant parts here.
69 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
71 * doc/install.texi2html: New script.
73 2001-06-03 David Edelsohn <edelsohn@gnu.org>
75 * doc/install.texi: Update AIX information again.
77 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
79 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
80 installation documentation.
81 * doc/install.texi: Move it to here.
83 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
85 * doc/install.texi: Clean up Texinfo markup.
87 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
89 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
90 to just after title page.
92 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
94 * doc/install-old.texi: Remove documentation of some configuration
96 * doc/install.texi: Add relevant parts of this documentation here.
98 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
100 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
101 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
103 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
105 * i386.md (all uses of ext_register_operand): Make sure they are
106 VOIDmode; replace all uses outside zero_extend.
107 (and?i splitters): Use ext_register_operands.
108 (test?i peep2): Remove ignored constraints.
109 * i386.c (ext_register_operand): Check that operand is
110 eighter pseudo or hard or 'Q' register.
112 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
114 * tree.h (struct record_layout_info_s): New field unpadded_align.
115 (set_lang_adjust_rli): New declaration.
116 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
117 it would have if not packed, do not downgrade DECL_ALIGN.
118 (lang_adjust_rli, set_lang_adjust_rli): New.
119 (start_record_layout): Initialize new field unpadded_align.
120 (debug_rli): Display it.
121 (place_union_field, place_field): Set it.
122 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
124 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
125 mean that; use proper names instead.
126 Print DECL_NO_STATIC_CHAIN.
128 * except.c (expand_builtin_frob_return_addr): Add missing call
129 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
130 (expand_builtin_eh_return): Likewise.
131 (expand_eh_return): Clean up ptr_mode != Pmode cases.
133 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
135 * doc/invoke.texi: Remove references to papers about sequence points
136 to readings.html, refer to that page.
138 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
140 * README: Update references to installation instructions.
142 2001-06-01 Laurent Guerby <guerby@acm.org>
143 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
145 * doc/install.texi: Define srcdir when sources come from CVS.
146 Significantly improve markup. Wrap overly long lines
148 2001-06-01 DJ Delorie <dj@redhat.com>
150 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
151 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
152 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
153 * install.texi: Move to doc/install-old.texi.
154 * gcc.texi: Move to doc, refer to install-old.texi.
155 * Makefile.in: Reflect move of docs to doc/.
156 * f/Make-lang.in: Ditto.
157 * java/Make-lang.in: Ditto.
158 * doc/.cvsignore: New.
160 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
162 * invoke.texi: use two spaces between command options, eliminate
163 some 'overfull hboxes'
165 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
167 * Makefile.in (s-mlib): Make backtick-commands always succeed.
168 (DRIVER_DEFINES): Ditto.
170 2001-05-31 Richard Henderson <rth@redhat.com>
172 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
173 also link against libgcc.a.
175 2001-05-31 Geoff Keating <geoffk@cygnus.com>
177 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
178 * config/mips/mips.c (mips_output_ascii): New function.
179 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
181 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
183 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
186 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
188 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
190 * install.texi (Configuration): Add html links for --with-gnu-as &
191 --with-gnu-ld and refer to them from hppa & SCO triplets.
192 (Specific): Link back to with-gnu-ld for all ELF platfoms.
193 (Specific): Reword AVR binutils recommendation.
195 2001-05-30 Zack Weinberg <zackw@stanford.edu>
197 * ggc-page.c (size_lookup): Increase minimum allocation size
199 (ggc_print_statistics): Report size of each bin in bytes, not
200 as its order; there is no longer a direct relationship.
202 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
204 * extend.texi: Fix formating of examples, eliminate some
206 * gcc.texi: Eliminate some 'overfull hboxes'.
207 * invoke.texi: Use two spaces between command options, eliminate
208 some 'overfull hboxes'.
210 2001-05-30 Richard Henderson <rth@redhat.com>
212 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
214 2001-05-30 Tom Tromey <tromey@redhat.com>
216 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
217 use it in the new association.
219 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
220 John David Anglin <dave@hiauly1.hia.nrc.ca>
222 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
223 to target type to allow ISO C++ compiler to accept it.
224 * gthr-dce.h (__gthread_active_ptr): Likewise.
225 * gthr-solaris.h (__gthread_active_ptr): Likewise.
227 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
229 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
230 so that we do accept comments in preprocessed input.
232 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
234 * cpphash.c (alloc_node): Cast allocated pointer.
236 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
238 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
240 2001-05-29 Stan Shebs <shebs@apple.com>
242 * gcc.texi: Add links for information about Objective-C.
244 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
246 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
247 /bin/sed fails on [^\"]).
248 (configargs.h): Likewise.
250 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
252 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
254 2001-05-28 Stan Shebs <shebs@apple.com>
256 * objc/objc.gperf: Remove, no longer used.
258 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
260 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
261 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
262 Remove trailing whitespace.
264 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
266 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
267 became http://freeware.sgi.com/.
269 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
271 * local-alloc.c (update_equiv_regs): Don't eliminate constant
274 2001-05-27 Stan Shebs <shebs@apple.com>
276 * objc/objc-act.c: Add/fix various comments.
277 (init_selector): Remove, no longer used.
278 (build_msg_pool_reference): Ditto.
281 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
283 * c-decl.c (init_decl_processing):
284 Don't call start_identifier_warnings.
285 * flags.h (warn_id_clash, id_clash_len): Remove.
286 * stringpool.c: Don't include flags.h.
287 (scan_for_clashes, do_identifier_warnings,
288 start_identifier_warnings): Remove.
289 * toplev.c (warn_id_clash, id_clash_len): Remove.
290 (display_help): Don't document -Wid-clash.
291 (decode_W_option): Print warning on -Wid-clash.
292 * tree.h (start_identifier_warnings): Remove.
293 * invoke.texi: Remove documentation of -Wid-clash.
295 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
299 2001-05-27 Bruce Korb <bkorb@gnu.org>
301 * fixinc/check.tpl(HACK) add and use a Scheme variable
302 (has no test text): error out if no "test_text" is defined
303 * fixinc/fixincl.tpl: likewise
304 (FIXIDX): make it an enumeration so we minimize diffs
305 * fixinc/inclhack.def: re-alphabetize and add sort instructions
306 * fixinc/fixincl.x: regenerate
307 * fixinc/tests/base/stdio.h: test output got moved due to
309 * README-fixinc: rewrite (mostly)
311 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
313 * cpplib.c (run_directive): Set pfile->directive.
315 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
317 * c-tree.texi: Reformat the manual as a single chapter now
318 included by gcc.texi.
319 * gcc.texi: Include c-tree.texi. Merge all indexes.
320 * Makefile.in (dvi): Add generation for the cppinternals
321 documentation. Added dependencies on fdl.texi and c-tree.texi
322 where appropriate. Use TEXI2DVI instead of custom tex calls.
323 (info): Added dependencies on fdl.texi and c-tree.texi where
324 appropriate. Remove the target c-tree.info.
326 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
328 * combine.c (try_combine): Fix typo in comment.
329 * expr.c (expand_expr): Likewise.
330 * config/i370/i370.md (untyped_call): Likewise.
332 2001-05-26 Bruce Korb <bkorb@gnu.org>
334 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
335 when fixincl is operating in test mode
336 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
337 (AAB_ultrix_limits): remove redundant text
338 (AAB_ultrix_memory): ditto
339 (AAB_ultrix_string): ditto
340 (djgpp_wchar_h): fix the test text
341 (irix_stdio_va_list): add test text
342 (irix_limits_const): add a testing output file (limits.h is overwritten)
343 (strict_ansi_not_ctd): put limits.h second in list for same reason
344 (solaris27_mutex_init): test text needed selection text, too
346 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
347 when fixincl is operating in test mode
349 2001-05-26 Philip Blundell <philb@gnu.org>
351 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
352 * config/i960/i960-protos.h: Likewise.
353 * config/i370/i370-protos.h: Likewise.
354 * config/h8300/h8300-protos.h: Likewise,
355 * config/sh/sh-protos.h: Likewise.
356 * config/v850/v850-protos.h: Likewise.
358 2001-05-26 Philip Blundell <philb@gnu.org>
360 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
362 2001-05-25 Zack Weinberg <zackw@stanford.edu>
364 * toplev.c (debug_args, f_options, W_options): Mark
365 descriptions for translation.
366 (display_help): Translate descriptions on output.
368 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
369 objc/lang-options.h: Mark descriptions for translation.
371 * aclocal.m4: Quote final argument of patsubst. Use
372 3-argument form of AC_DEFINE. Restore quotes to [] while
374 * configure.in: Remove unnecessary changequote calls.
375 * configure, config.in: Regenerate.
377 2001-05-25 Sam TH <sam@uchicago.edu>
379 * basic-block.h: Fix header include guards.
380 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
381 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
382 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
383 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
384 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
385 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
386 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
387 varray.h version.h: Likewise.
388 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
389 config/arm/arm.h config/c4x/c4x-protos.h
390 config/h8300/h8300-protos.h config/h8300/h8300.h
391 config/i370/i370-protos.h config/i370/i370.h
392 config/i960/i960-protos.h config/mcore/mcore.h
393 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
394 config/v850/v850-protos.h config/v850/v850.h: Likewise.
395 * fixinc/fixlib.h fixinc/server.h: Likewise.
397 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
399 * config/arc/initfini.c (.init): Fix typo.
401 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
403 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
405 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
407 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
409 2001-05-25 Richard Henderson <rth@redhat.com>
411 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
413 2001-05-25 Richard Henderson <rth@redhat.com>
415 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
416 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
417 (sparc*-*-solaris2): Likewise.
418 * config/t-linux: Remove shared libgcc macros.
419 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
420 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
422 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
424 * config.gcc (*-*-freebsd*): Report bad configuration.
426 2001-05-25 David Edelsohn <edelsohn@gnu.org>
428 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
430 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
432 (ASM_OUTPUT_LABELREF): Delete.
434 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
436 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
437 strict_ansi_only): Don't run if stdc_0_in_system_headers.
438 * fixinc/fixincl.x: Regenerate.
439 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
440 (FIX_TEST_TABLE): Declare it.
441 * fixinc/fixlib.h: Include config.h.
443 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
445 * fixinc/inclhack.def (alpha___assert): Change char * args to
446 const char * on Tru64 UNIX to avoid excessive warnings from
448 * fixinc/fixincl.x: Regenerate.
450 2001-05-25 Geoff Keating <geoffk@redhat.com>
452 * dbxout.c (dbxout_symbol): Invert previous patch, which was
453 outputting a tag only for variable-size records.
455 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
457 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
458 instead of rtx_equal_p for early clobber test.
460 2001-05-26 Mark Mitchell <mark@codesourcery.com>
462 * builtins.def: Encode additional information, such as names and
464 * builtin-types.def: New file.
465 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
466 (built_in_decls): Likewise. Don't explicitly initialize global
468 (expand_builtin_mathfn): Handle float and long double variants of
470 (expand_builtin): Likewise.
471 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
472 (expand_tree_builtin): Handle long, long long, float, and long
473 double variants of math functions.
474 * c-common.h (c_tree_index): Remove some unused nodes.
475 (void_ftype): Remove.
476 (void_type_ptr): Likewise.
477 (int_ftype_int): Likewise.
478 (ptr_ftype_sizetype): Likewise.
479 * c-decl.c (init_decl_processing): Remove creation of DWARF
481 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
482 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
483 * Makefile.in (c-common.o): Depend on builtin-types.def.
485 2001-05-25 Dale Johannesen <dalej@apple.com>
487 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
489 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
491 * c-parse.in (notype_initdcl): Remove redundant line.
493 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
495 * aclocal.m4: Fixed typo.
496 (gcc_AC_HEADER_STDBOOL): Define.
497 (gcc_AC_C__BOOL): Define.
498 * configure.in: Use them.
499 (AC_CHECK_HEADERS): Remove stdbool.h
500 * configure, config.in: Regenerate.
502 2001-05-25 Richard Henderson <rth@redhat.com>
504 * function.c (expand_function_start): Don't abort on PARALLEL
505 returns from hard_function_value.
507 2001-05-25 Richard Henderson <rth@redhat.com>
509 * config/i386/i386.md: Revert previous change. Do not apply
510 the peephole if the components do not die after the sequence.
512 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
514 * c-parse.in (array_declarator): New. Handle C99 constructs.
515 Don't restrict [*] declarators to C only.
516 (after_type_declarator, parm_declarator_starttypename,
517 parm_declarator_nostarttypename, notype_declarator,
518 direct_absdcl1): Use it.
519 * c-decl.c (build_array_declarator, set_array_declarator_type):
520 New functions. Warn that [*] isn't properly implemented; pedwarn
521 for [*] outside C99 mode if pedantic rather than giving a hard
523 (grokdeclarator): Handle static and type qualifiers in parameter
525 * c-tree.h (build_array_declarator, set_array_declarator_type):
527 * extend.texi (Attribute Syntax): Document attributes in parameter
530 2001-05-25 Mark Mitchell <mark@codesourcery.com>
532 * config/i386/i386.md: Make sure cmpstr peepholes do not
533 affect liveness information.
535 2001-05-24 Mark Mitchell <mark@codesourcery.com>
537 * c-typeck.c (digest_init): Issue error messages about
538 invalid constants, not warnings.
540 2001-05-24 Mark Mitchell <mark@codesourcery.com>
542 * invoke.texi (-fno-builtin): Document that this is always on
545 2001-05-24 Philip Blundell <philb@gnu.org>
547 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
550 2001-05-24 Philip Blundell <philb@gnu.org>
552 * config/arm/arm.c (output_return_instruction): Correctly handle
553 interworking and interrupt functions.
555 2001-05-24 Philip Blundell <philb@gnu.org>
557 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
558 -m{no-}sched-prolog. Fix typos and improve formatting.
560 2001-05-24 Philip Blundell <philb@gnu.org>
562 * invoke.texi (ARM Options): Improve wording slightly. Add
563 documentation for more options, including those for Thumb mode.
564 Don't mention options that don't exist or are unimplemented.
565 (Thumb Options): Delete; merged into above section.
567 2001-05-24 Geoff Keating <geoffk@redhat.com>
569 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
570 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
572 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
574 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
575 fix hard register simplification.
577 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
579 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
580 of just copying CPP_CPU_SPEC.
582 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
584 * i386.c (incdec_operand): Accept only 1 and -1.
586 2001-05-23 Kelley Cook <kelley.cook@home.com>
588 * Makefile.in: Move many of the *_H definitions eariler in the
589 file, so that rules in t-* files that use them for
590 dependencies will work in a parallel build.
591 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
593 2001-05-23 Richard Henderson <rth@redhat.com>
595 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
597 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
599 * cpp.texi: Update for handling of charconsts.
600 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
601 diagnostics. Skip to the end if the UCS is too short.
602 (cpp_interpret_charconst): Long charconsts issue a warning
605 2001-05-23 Richard Henderson <rth@redhat.com>
607 * doc/install.texi (alpha-linux): Require binutils 2.11.
609 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
611 * c-lex.c (read_escape, read_ucs): Delete.
612 (lex_string): Use cpp_parse_escape.
613 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
614 if not C++ or not C99. Warn if traditional.
615 (parse_escape): Rename cpp_parse_escape. Make the bitmask
616 unsigned. Warn for out-of-range escape sequences here.
617 Update to use maybe_read_ucs.
618 (cpp_interpret_charconst): Don't warn here.
619 * cpplib.h (cpp_parse_escape): New exported function.
621 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
623 * extend.texi (Attribute Syntax): Clarify application of
624 attributes to parameters declared as functions or arrays.
626 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
628 * dbxout.c (dbxout_type_methods): Do still group methods by name.
630 2001-05-23 Zack Weinberg <zackw@stanford.edu>
632 * diagnostic.c (vnotice): Kill.
633 (fnotice): Call vfprintf directly.
634 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
635 verbatim, set_diagnostic_context): Rename string argument to
636 indicate that it is run through gettext.
637 (vbuild_message_string, build_message_string, output_do_printf):
638 Rename string argument to indicate that it is NOT run through
640 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
641 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
642 Run msgid argument through gettext.
643 (default_print_error_function): Run constant strings through
644 gettext when nothing else will.
645 (fatal_error, internal_error, error_recursion): Use fnotice.
646 Present complete sentences to gettext.
648 2001-05-23 Mark Mitchell <mark@codesourcery.com>
650 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
652 2001-05-23 Richard Henderson <rth@redhat.com>
654 * function.c (expand_function_start): Always use a pseudo
655 for the function result value.
657 2001-05-22 Richard Henderson <rth@redhat.com>
659 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
660 section pointer alignment.
662 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
664 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
665 of __USER_LABEL_PREFIX__.
667 2001-05-22 Richard Henderson <rth@redhat.com>
669 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
670 (__deregister_frame_info_bases): New.
671 * unwind-dw2-fde.h: Declare it.
672 * libgcc-std.ver: Export it.
673 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
674 called __register_frame_info_bases.
676 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
678 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
679 instead of #elif (which is OK for this case but not in general).
681 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
683 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
684 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
685 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
686 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
687 "r2" to the assembly file. Only issue allocs with non-zero parameters.
689 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
690 David O'Brien <obrien@freebsd.org>
692 * config/freebsd.h (LIB_SPEC): Key the exact setting to
693 configure-time options and target version of FreeBSD. Set-up
694 to match architectural change in threading support. Correctly
695 report when -pthread option is not supported by configure-time
697 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
698 and extend to encode target version number in run-time setting
699 of __FreeBSD__ macro to match the system compiler.
700 (CPP_PREDEFINES): Likewise.
701 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
703 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
704 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
706 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
707 David O'Brien <obrien@freebsd.org>
709 * config.gcc (the unlabeled system switch statement): Add
710 generic configuration section to handle *-*-freebsd*. Also,
711 to match the system compiler, default to threading support (it
712 may be disabled with the standard --disable-threads
713 configuration-time switch).
714 (i[34567]86-*-freebsd* in machine-specific section): Use it.
715 (alpha*-*-freebsd* in machine-specific section): Likewise.
717 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
718 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
719 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
720 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
721 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
723 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
724 David O'Brien <obrien@freebsd.org>
726 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
727 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
728 -pthread instead setting macro.
730 2001-05-22 Richard Henderson <rth@redhat.com>
732 * crtstuff.c (__register_frame_info_bases): Declare.
733 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
734 (__do_global_dtors_aux, __do_global_dtors): Streamline.
736 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
737 (CRT_GET_RFIB_DATA): New.
738 * config/i386/sysv4.h: Likewise.
739 * config/i386/sco5.h: Likewise.
740 (ASM_PREFERRED_EH_DATA_FORMAT): New.
742 2001-05-22 Richard Henderson <rth@redhat.com>
744 * rtl.c (read_string): Break out from ...
745 (read_rtx): ... here.
747 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
749 * doc/install.texi (Specific): Remove a bogus and duplicate part
750 copied from the end of the document.
752 2001-05-22 Bernd Schmidt <bernds@redhat.com>
754 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
756 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
758 * install.texi: Remove obsolete information on SunOS as well as
759 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
760 (Installing GNU CC on the Sun): Remove section.
762 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
764 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
765 keep errno unchanged on success.
767 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
769 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
770 once for hexadecimal floats, whether or not they contain a decimal
771 point. Don't let the setting of pedantic otherwise affect the
772 parsing of hexadecimal floats.
774 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
776 * README.ACORN: Remove obsolete file.
778 2001-05-22 Jan Hubicka <jh@suse.cz>
780 * combine.c (gen_binary): Use swap_commutative_operands_p
781 (simplify_comparison): Likewise.
782 * expmed.c (emit_store_flag): Likewise.
783 * expr.c (compare_from_rtx): Likewise.
784 (do_compare_rtx_and_jump): Likewise.
785 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
786 if not emitting a branch and operands want swapping.
788 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
790 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
791 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
792 (maybe_get_identifier): Update.
793 * tree.h (make_identifier): Delete.
795 2001-05-21 Richard Henderson <rth@redhat.com>
797 * combine.c (subst): Do not substitute for a register as
798 a destination subreg/strict_low_part/zero_extract.
800 * combine.c (simplify_comparison): Update op1 after constant
802 * recog.c (const_int_operand): Accept only constants valid
804 * genrecog.c: Update comments wrt const_int_operand.
806 * emit-rtl.c (init_emit_once): Zero unused memory in a
809 2001-05-21 Mark Mitchell <mark@codesourcery.com>
811 * tree.h (type_num_arguments): Declare it.
812 * tree.c (type_num_arguments): New function.
814 2001-05-21 Richard Henderson <rth@redhat.com>
816 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
819 2001-05-21 Geoff Keating <geoffk@redhat.com>
821 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
823 (minsf3): Use rs6000_emit_minmax.
824 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
826 (movsfcc): Use rs6000_emit_cmove.
827 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
828 Don't generate emit_fselsfsf4.
829 (fseldfsf4): Likewise.
830 (maxdf3): Use rs6000_emit_minmax.
832 (mindf3): Use rs6000_emit_minmax.
833 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
835 (movdfcc): Use rs6000_emit_cmove.
836 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
837 Don't generate emit_fselsfsf4.
838 (fselsfdf4): Likewise.
839 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
840 (min_max_operator): New predicate.
841 (rs6000_emit_cmove): New function.
842 (rs6000_emit_minmax): New function.
843 * config/rs6000/rs6000-protos.h: Prototype new functions.
844 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
845 and min_max_operator.
847 * config/rs6000/rs6000.c (output_cbranch): Handle all
848 conditional types in the switch statement.
850 2001-05-21 Mark Mitchell <mark@codesourcery.com>
852 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
853 non-register variables.
854 * extend.texi: Document that asm-specifications do not make sense
855 for non-static local variables.
857 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
859 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
860 (dbxout_type_fields): Lose minimal_debug support.
861 (dbxout_type_methods, dbxout_type): Likewise.
863 2001-05-17 Andrew Haley <aph@redhat.com>
865 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
867 2001-05-21 Richard Henderson <rth@redhat.com>
869 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
872 2001-05-20 Richard Henderson <rth@redhat.com>
874 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
875 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
876 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
877 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
878 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
880 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
881 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
882 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
883 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
884 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
885 DEBUG_PUBNAMES_SECTION): Rename as above.
886 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
888 2001-05-20 Richard Henderson <rth@redhat.com>
890 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
891 operands unless the operation is commutative.
893 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
898 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
900 * extend.texi: Clarify documentation of extensions included in ISO
901 C99. Prefer C99 terminology and syntax to old GNU terminology and
902 syntax. Add more index entries. Document mixed declarations and
903 code as an extension in C89 mode. Warn about future changes to
904 semantics of inline functions. Fixes PR other/930.
906 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
908 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
909 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
910 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
911 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
913 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
915 2001-05-20 Richard Henderson <rth@redhat.com>
917 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
918 to be output before a branch.
920 2001-05-20 Richard Henderson <rth@redhat.com>
922 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
924 2001-05-20 Richard Henderson <rth@redhat.com>
926 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
927 (ASM_DOUBLE): Remove.
928 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
929 * config/i386/sun386.h: Likewise.
931 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
932 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
934 * config/i386/cygwin.h (INT_ASM_OP): Remove.
935 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
936 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
937 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
939 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
940 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
941 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
942 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
943 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
944 * config/i386/win32.h: Likewise.
946 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
948 * invoke.texi: Add more options to summary list.
950 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
952 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
953 used. Fixes PR c/2291.
956 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
958 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
959 the -fpic and -fPIC options, clear flag_pic.
961 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
963 * hashtable.c (calc_hash): Fix HASHSTEP definition.
964 * stringpool.c (make_identifier): No statistics here anymore.
965 * objc-act.c (steup_string_decl): Remove redundant check.
967 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
969 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
970 cpplib.o, cpphash.o, fix-header): Update.
971 (hashtable.o): New target.
972 * c-common.h: Include cpplib.h. Define C_RID_CODE and
973 struct c_common_identifier here.
974 * c-lang.c (c_init_options): Update. Call set_identifier_size.
975 * c-lex.c (c_lex): Update.
976 * c-pragma.h: Update.
977 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
979 (C_RID_CODE): Delete.
980 * cpphash.c: Rewrite to use hashtable.c.
981 * cpphash.h: Update include guards.
982 (struct cpp_reader): Remove hashtab.
983 hash_ob and buffer_ob are no longer pointers. Add hash_table
985 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
986 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
987 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
988 * cppinit.c (cpp_create_reader): Update.
989 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
990 (cpp_interpret_charconst): Eliminate warning.
991 * cpplib.c (do_pragma, do_endif, push_conditional,
992 cpp_push_buffer, cpp_pop_buffer): Update.
993 (_cpp_init_stacks): Rename cpp_init_directives.
994 (_cpp_cleanup_stacks): Remove.
995 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
996 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
997 cpp_forall_identifiers, cpp_create_reader): Update.
998 (C_RID_CODE, cpp_make_node): New.
999 (c_common_identifier): New identifier node for C front ends.
1000 * cppmain.c (main): Update.
1001 * fix-header.c (read_scan_file): Update.
1002 * flags.h (id_clash_len): Make unsigned.
1003 * ggc.h (ggc_mark_nonnull_tree): New.
1006 * stringpool.c: Update comments and copyright. Update to use
1008 * toplev.c (approx_sqrt): Move to hashtable.c.
1009 (id_clash_len): Make unsigned.
1010 * toplev.h (ident_hash): New.
1011 * tree.c (gcc_obstack_init): Move to hashtable.c.
1012 * tree.h: Include hashtable.h.
1013 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1014 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1015 (struct tree_identifier): Update.
1016 (make_identifier): New.
1018 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1019 (C_RID_CODE): Remove.
1020 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1021 (init_parse): Don't do it here.
1023 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1025 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1027 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1029 (expand_eh_return): Convert between word_mode and Pmode.
1030 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1032 (execute_stack_op): Likewise.
1033 (execute_cfa_program): Likewise.
1034 (uw_frame_state_for): Likewise.
1035 (uw_update_context_1): Likewise.
1036 * unwind.inc (_Unwind_Reason_Code): Likewise.
1037 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1038 (EH_RETURN_STACKADJ_RTX): Likewise.
1039 * config/mips/mips.c (compute_frame_size): Make space for saving
1040 EH return registers.
1041 (mips_expand_epilogue): Handle EH stack adjustments.
1042 * config/mips/mips.md (eh_return): New pattern.
1043 (eh_set_lr_si): Likewise.
1044 (eh_set_lr_di): Likewise.
1045 Add splitter to perform EH return after reload.
1047 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1049 * jump.c (mark_jump_label): Tidy previous change.
1051 2001-05-19 Bruce Korb <bkorb@gnu.org>
1053 * fixinc/genfixes: no need for two warnings
1054 * fixinc/Makefile.in: open stdin for those building with a closed one.
1056 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1058 * jump.c (jump_optimize_1): Tidy.
1059 (mark_jump_label): When changing the label in a LABEL_REF, change
1060 update any REG_EQUAL notes as well.
1062 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1064 * c-parse.in (parm_declarator): Split into
1065 parm_declarator_starttypename and parm_declarator_nostarttypename.
1066 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1067 New. Allow parenthesised sub-declarators which don't begin with a
1068 TYPENAME. Fixes PR c/166.
1070 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1072 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1074 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1076 * toplev.c (main): If the target does not allow profiling without
1077 a frame pointer, issue an error message.
1078 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1081 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1083 * recog.c (general_operand): Modify last change to allow it if reload
1086 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1089 subregs containing mem.
1091 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1093 * regrename.c (regrename_optimize): frame pointer register can
1096 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1098 * README.DWARF: Move into dwarfout.c.
1100 2001-05-18 Dale Johannesen <dalej@apple.com>
1102 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1103 specific misuse of r0 as a reload address.
1105 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1107 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1110 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1112 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1113 (add_to_sequence): Make that decision type.
1114 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1115 (write_switch, write_cond, debug_decision_2): Likewise.
1117 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1119 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1122 2001-05-18 Stan Shebs <shebs@apple.com>
1124 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1125 * configure: Regenerate.
1127 2001-05-18 Per Bothner <per@bothner.com>
1129 Changes needed for java/jvspec.c
1130 * gcc.h (n_infiles, outfiles): Add declarations.
1131 * gcc.c (n_infiles, outfiles): Mske no longer static.
1133 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1135 * config/pa/som.h (EXCEPTION_SECTION): Define.
1137 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1139 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1141 Add have_location_lists, a variable to determine whether we need a
1142 .debug_loc section or not.
1143 (enum dw_val_class): Add dw_val_class_loc_list.
1144 (dw_val_struct): Add val_loc_list.
1145 (dw_loc_list_struct): New structure, represents location lists.
1146 (new_loc_list): New function, return a new location list, given
1147 the range and location expression.
1148 (add_loc_descr_to_loc_list): New function, add a location
1149 expression to a location list, given the expression and range.
1150 (output_loc_list): New function, output a location list.
1151 (gen_internal_sym): Modified to take symbol prefix, so we can
1152 reuse it for location list symbols.
1153 (add_AT_loc_list): New function, add a location list to a DIE at
1154 the named attribute.
1155 (AT_loc_list): New function, return the location list reference
1156 for a given attribute, if it's a location list.
1157 (print_die): Handle dw_val_class_loc_list.
1158 (size_of_die): Ditto.
1159 (value_format): Ditto.
1160 (output_die): Ditto.
1161 (output_location_lists): New function, output all of the location
1162 lists for a DIE and it's children.
1163 (dwarf2out_finish): Call output_location_lists if we have location
1167 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1169 * gcse.c (try_replace_reg): First try global replace, later try to
1170 simplify the expression.
1172 * gcse.c (find_used_regs): Change calling convention; work via
1174 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1176 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1179 2001-02-09 Nick Clifton <nickc@redhat.com>
1180 * config/arm/arm.md: Change output constraint on post inc
1181 load/store multiple patterns to be a read/write constraint.
1183 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1185 * basic-block.h (struct basic_block_def): Add documentation about
1186 what a basic block is, and what the various fields are used for.
1187 * flow.c (calculate_globlal_regs_live): Add documentation about
1188 how the algorithm works, and how we know that it will terminate.
1189 Check that the the inductive assumption that guarantees
1190 termination actually holds.
1191 (mark_used_regs): Treat conditionally set registers as used.
1192 (debug_regset): Add comment.
1193 * rtl.texi (cond_exec): Add documentation.
1195 * function.c (expand_function_start): Avoid creating BLKmode
1198 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1200 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1201 DIE, even if it has no children.
1202 (dwarf2out_finish): Always output the line-number table, even if
1205 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1207 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1209 2001-05-17 Bruce Korb <bkorb@gnu.org>
1211 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1212 * fixinc/genfixes: emit a warning if AutoGen is out of date
1214 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1215 Bruce Korb <bkorb@gnu.org>
1217 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1218 found in fixinc directory. Facilitates binary distributions.
1220 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1222 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1225 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1227 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1229 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1231 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1232 (simplify_subreg): Handle complex types represented as CONCAT.
1234 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1235 * rtl.h (swap_commutative_operands_p): Declare.
1236 * rtlanal.c (swap_commutative_operands_p): New.
1237 (operand_preference): New static function.
1239 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1240 (gen_binary): Likewise.
1241 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1242 * simplify-rtx.c (simplify_gen_binary,
1243 simplify_gen_relational): Likewise.
1245 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1247 * cse.c (fold_rtx): Use simplify_subreg.
1249 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1250 (simplify_gen_subreg): New.
1251 (simplify_rtx): Use simplify_subreg.
1252 * rtl.h (simplify_gen_subreg): Declare.
1254 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1256 * doc/install.texi: Update Solaris information.
1258 * except.h (protect_cleanup_actions): Remove it.
1259 (lang_protect_cleanup_actions): Declare it.
1260 * except.c (protect_cleanup_actions): Remove it.
1261 (lang_protect_cleanup_actions): New variable.
1262 (init_eh): Don't make protect_cleanup_actions a GC root.
1263 (expand_eh_region_and_cleanup): Call
1264 lang_protect_cleanup_actions.
1265 (output_function_exception_table): Remove unused `align'
1267 * varasm.c (assemble_external): Abort if we have not yet
1268 opened the assembly output file.
1270 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1272 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1273 for eh_personality_libfunc.
1275 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1277 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1278 when calling simplify_subreg. This is needed to allow replacing
1279 of expression of one mode by expression of different mode.
1281 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1283 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1285 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1287 * expr.c (protect_from_queue): Protect against subsequent calls to
1289 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1292 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1294 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1296 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1298 * gccbug.in (CATEGORIES): Add "bootstrap".
1300 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1302 * simplify-rtx.c (simplify_subreg): Break out from ...
1303 * combine.c (combine_splify_rtx) ... here and ...
1304 * recog.c (validate_replace_rtx_1): ... here;
1305 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1306 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1307 (subreg_lowpart_p): ... here.
1309 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1311 * stmt.c (expand_asm_operands): For inout operands, make sure
1312 the substitution of '=' for '+' makes it into the rtl.
1314 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1315 (reload_as_needed): Call update_eliminable_offsets a bit later.
1317 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1319 * gcc.texi (gccbug): Refer to the web pages for detailed information
1322 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1324 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1326 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1327 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1328 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1329 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1330 * cross-make: Don't set LIBGCC1.
1331 * mklibgcc.in: Delete all code for building from libgcc1.c.
1332 Always honor LIB1ASMFUNCS if set.
1334 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1335 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1336 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1337 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1338 config/i386/uwin.asm, config/m68hc11/larith.asm,
1339 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1340 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1341 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1342 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1343 Delete or update references to libgcc1 in commentary.
1345 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1346 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1347 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1348 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1349 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1350 config/arm/t-semi, config/arm/t-strongarm-coff,
1351 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1352 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1353 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1354 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1355 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1356 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1357 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1358 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1359 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1360 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1361 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1362 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1363 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1364 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1365 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1366 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1367 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1368 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1369 config/mips/t-ultrix, config/mn10200/t-mn10200,
1370 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1371 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1372 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1373 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1374 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1375 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1376 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1377 config/sparc/t-sparclite, config/sparc/t-splet,
1378 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1379 config/sparc/t-vxsparc64, config/v850/t-v850:
1380 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1382 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1383 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1384 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1385 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1386 nongcc_SI_type, nongcc_word_type, or perform_*
1387 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1389 * config/i386/386bsd.h, config/i386/beos-elf.h,
1390 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1391 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1392 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1393 Don't include i386/perform.h.
1395 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1396 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1397 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1398 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1399 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1400 config/vax/t-openbsd, config/vax/t-vax: Delete.
1402 * config.gcc: Remove references to deleted files.
1403 (arm-semi-aof): Use arm/t-semi for tmake_file.
1405 * gcc.texi, install.texi, invoke.texi, tm.texi:
1406 Delete or rewrite text which is no longer relevant now that
1407 libgcc1 no longer exists.
1409 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1410 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1412 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1413 Bruce Korb <bkorb@gnu.org>
1415 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1418 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1420 * i386.md: Add two peepholes to clean up code generated by
1423 2001-05-16 Richard Henderson <rth@redhat.com>
1425 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1426 variants of non-absolute encodings.
1428 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1430 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1431 __register_frame_info_table_bases): Export.
1433 2001-05-16 Richard Henderson <rth@redhat.com>
1435 * except.c (eh_data_format_name): Move to ...
1436 * dwarf2asm.c: ... here. Use designated initializers if available.
1437 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1438 * dwarf2asm.h: Update declarations.
1439 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1440 ASM_PREFERRED_EH_DATA_FORMAT.
1441 (output_call_frame_info): Likewise. Use 'L' augmentation for
1444 * unwind-dw2-fde.h (struct fde_vector): New.
1445 (struct old_object): Rename from struct object.
1446 (struct object): New.
1447 (__register_frame_info_bases): Declare.
1448 (__register_frame_info_table_bases): Declare.
1449 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1450 * unwind-dw2-fde.c (objects): Remove.
1451 (unseen_objects, seen_objects): New.
1452 (__register_frame_info_bases): New.
1453 (__register_frame_info): Use it.
1454 (__register_frame_info_table_bases): New.
1455 (__register_frame_info_table): Use it.
1456 (__deregister_frame_info): Rewrite for changed object struct.
1457 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1458 (fde_unencoded_compare): Rename from fde_compare; uninline.
1459 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1460 (start_fde_sort): Adjust for new definition of fde_vector.
1461 (fde_insert): Likewise.
1462 (end_fde_sort): Likewise. Select comparison function based
1463 on properties of the object.
1464 (fde_split): Take object and fde_compare_t arguments.
1465 (frame_heapsort, fde_merge): Likewise.
1466 (classify_object_over_fdes): Rename from count_fdes. Handle
1467 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1469 (add_fdes): Handle encoded pointers.
1470 (init_object): Rename from frame_init. Update for new struct object.
1471 (linear_search_fdes): Rename from search_fdes. Handle encoded
1473 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1474 (binary_search_single_encoding_fdes): New.
1475 (binary_search_mixed_encoding_fdes): New.
1476 (search_object): New.
1477 (_Unwind_Find_FDE): Update for new struct object. Fill in
1479 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1480 iterating over EH data.
1481 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1482 fde_encoding, lsda_encoding.
1483 (read_uleb128, read_sleb128): Remove.
1484 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1485 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1486 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1488 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1490 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1492 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1493 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1494 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1495 cpp_spell_token, cpp_output_token): Similarly.
1496 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1497 do_pragma_poison, parse_assertion, do_assert): Similarly.
1498 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1499 save_parameter, _cpp_create_definition, check_trad_stringification,
1500 cpp_macro_definition): Similarly.
1501 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1502 * c-lex.c (cb_undef, c_lex): Similarly.
1503 * fix-header.c (recognized_function): Similarly.
1504 * cpplib.h (NODE_LEN, NODE_NAME): New.
1505 (cpp_hashnode): Rename length len.
1507 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1509 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1512 2001-05-16 Andreas Jaeger <aj@suse.de>
1514 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1516 * toplev.c: Include dwarf2asm.h for prototype of
1517 dw2_output_indirect_constants.
1519 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1521 * stmt.c (expand_asm_operands): Be able to offload addressof
1522 expression to memory. (PR optimization/185)
1524 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1526 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1527 applying distributive law.
1529 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1531 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1533 * gthr-dce.h (UNUSED): Attribute unused macro.
1534 (__gthread_key_dtor): Make arguments UNUSED.
1535 (__gthread_key_delete): Revise for compatibility with DRAFT4
1538 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1540 * doc/install.texi: Update AIX information.
1541 * README.RS6000: Remove obsolete file.
1543 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1544 Nathan Sidwell <nathan@codesourcery.com>
1546 * gcc.c (give_switch): Don't write before start of string.
1547 Always append suffix.
1549 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1551 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1554 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1556 * README.ALTOS: Remove obsolete file.
1558 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1560 * c-lex.h (save_and_forget_protocol_qualifiers,
1561 forget_protocol_qualifiers, remember_protocol_qualifiers):
1562 Remove deleted functions' prototypes.
1564 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1566 * c-parse.in (methodtype): New production.
1567 (methoddef, methodproto): Collapse separate '-' and '+'
1570 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1572 * c-common.h (RID_FIRST_PQ): New.
1573 * c-parse.in (objc_pq_context): New.
1574 (objc parser): Set objc_pq_context rather than calling
1575 remember_protocol_qualifiers and forget_protocol_qualifiers.
1576 Don't call save_and_forget_protocol_qualifiers.
1577 (yylexname): Handle objc protocol qualifiers here.
1578 * stringpool.c (struct str_header): Replace with sp_hashnode.
1579 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1580 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1581 Allocate an IDENTIFIER_NODE for each identifier.
1582 (FORALL_STRINGS, set_identifier): Delete.
1583 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1584 (ggc_alloc_string): Use an obstack.
1585 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1586 * tree.h: Update comments.
1587 (set_identifier): Delete.
1588 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1589 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1590 remember_protocol_qualifiers): Delete.
1592 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1594 * flow.c (life_analysis): After life analysis is complete, do
1595 an optional scan over insns looking for REG_LABEL notes that
1596 reference a deleted label.
1597 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1598 before peeking at LABEL_NUSES.
1600 2001-05-15 Richard Henderson <rth@redhat.com>
1602 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1603 (_Unwind_GetTextRelBase): New.
1605 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1607 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1609 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1611 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1612 so that CHOOSE_SECTION gets used.
1614 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1615 TARGET_RELOCATABLE like flag_pic for now.
1617 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1619 * rs6000.md (movdi splitter): Sign extend more efficiently.
1620 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1621 to "long long" valid on 32-bit and 64-bit hosts.
1622 (logical_operand): Cast trunc_int_for_mode return value.
1623 (rs6000_emit_move): Shift macro to encapsulate variable.
1624 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1625 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1626 plus_constant requires signed argument.
1628 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1630 * gthr-posix.h: Make additional pthread-* functions weak.
1632 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1634 * recog.c (apply_change_group): Avoid unneeded validating.
1636 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1638 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1639 (num_insns_constant): CONST_INT can be 64-bits.
1641 2001-05-14 Stan Shebs <shebs@apple.com>
1643 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1644 (LIBGCC_SPEC): Don't define.
1646 2001-05-14 Richard Henderson <rth@redhat.com>
1648 * configure.in (gcc_cv_as_eh_frame): New test.
1649 * config.in, configure: Rebuild.
1650 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1652 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1654 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1655 extended precision divide.
1657 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1659 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1660 for RETURNS as well.
1662 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1664 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1665 (CPP_CPU??_SIZE_TYPE): New.
1666 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1667 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1668 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1669 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1671 * i386.c (override_options): Add sorry about not suported modes.
1673 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1675 * config/pa/som.h (NM_FLAGS): Remove.
1676 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1677 (ASM_OUTPUT_SECTION_NAME): Remove.
1678 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1680 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1682 * regrename.c (regrename_optimize): Do not rename registers to
1685 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1687 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1688 contain MEMs. Remove useless distinction about clobbering
1691 2001-05-13 Geoff Keating <geoffk@redhat.com>
1693 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1694 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1695 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1696 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1697 (EXCEPTION_SECTION): Define.
1699 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1701 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1702 binary backward compat only.
1703 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1704 in LIB2FUNCS. Pass it to mklibgcc.
1705 * mklibgcc.in: Handle LIB2FUNCS_ST.
1707 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1709 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1711 * tm.texi (THREAD_MODEL_SPEC): Document it.
1712 * gcc.c (main): Use it.
1713 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1714 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1716 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1718 * rtl.h (SYMBOL_REF_WEAK): New macro.
1719 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1720 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1721 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1722 * gcc.texi: Remove wrong description.
1724 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1726 * Makefile.in (STAMP): New macro.
1727 Replace all uses of `touch' with $(STAMP).
1728 * fixinc/Makefile.in: Likewise.
1730 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1732 * configure.in: ldopen is never in -lexc, so don't test for it.
1733 Add test for exc_resume in -lexc for Ada.
1734 * configure: Regenerated.
1736 2001-05-12 Richard Henderson <rth@redhat.com>
1738 * dwarf2asm.c (size_of_encoded_value): New function.
1739 * dwarf2asm.h: Declare it.
1740 * except.c (output_function_exception_table): Align the TType
1741 array only as wide as the encoding.
1743 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1745 * extend.texi: Document #pragma GCC java_exceptions.
1747 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1749 * c-parse.in (bison parser, init_reswords): Remove uses of
1751 * c-tree.h (doing_objc_thang): Remove.
1753 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1755 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1756 about files not ending in newlines.
1758 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1760 * dwarfout.c (dwarfout_init): Add cast.
1761 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1762 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1764 * method.c (build_mangled_C99_name): Remove unused prototype.
1766 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1768 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1770 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1772 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1773 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1775 2001-05-11 Richard Henderson <rth@redhat.com>
1777 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1778 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1779 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1780 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1781 (dw2_output_indirect_constants): Prototype.
1782 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1783 current_function_func_begin_label if we'll need it for EH. Exit
1784 early for IA64_UNWIND_INFO.
1785 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1786 (eh_data_format_name): Update for indirect references.
1787 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1788 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1789 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1790 define HAVE_eh_return etc.
1791 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1792 (final_end_function): Don't call output_function_exception_table.
1793 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1794 (rest_of_compilation): Invoke output_function_exception_table
1795 for ia64 before assemble_end_function.
1796 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1797 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1799 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1800 * unwind.h: Declare them.
1801 * libgcc-std.ver: Export them.
1802 * unwind-pe.h: New file.
1804 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1806 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1808 (find_fde_for_dso): Extract DT_PLTGOT.
1809 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1810 the segment and gp as well.
1811 * config/ia64/frame-ia64.c: Remove file.
1812 * config/ia64/frame-ia64.h: Remove file.
1813 * config/ia64/unwind-ia64.c: New file.
1814 * config/ia64/unwind-ia64.h: New file.
1815 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1816 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1817 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1818 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1819 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1820 (IA64_UNWIND_INFO): Re-enable.
1821 (HANDLER_SECTION): Remove.
1822 (EH_RETURN_DATA_REGNO): New.
1823 * config/ia64/ia64.md (exception_receiver): Remove.
1824 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1825 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1827 2001-05-11 Richard Henderson <rth@redhat.com>
1829 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1830 calls and jumps to be bundled together.
1831 (ia64_reorg): Emit a break after a noreturn call that ends
1833 * config/ia64/ia64.md (break_f): New.
1835 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1837 * c-lex.c (lex_charconst): Convert into a simple wrapper
1838 around cpp_interpret_charconst, to which most of the code
1840 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1841 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1842 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1843 (lex): Use cpp_interpret_charconst.
1844 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1845 hex_digit_value): New functions.
1846 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1847 * cpplib.h (cpp_interpret_charconst): New prototype.
1848 * Makefile.in: Update.
1850 2001-05-12 Dean Wakerley <dean@wakerley.com>
1852 * doc/install.texi: New file. Converted to texinfo from the HTML
1853 documentation in wwwdocs/htdocs/install.
1855 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1857 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1858 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1860 * toplev.c (compile_file): Move comment for opening output
1861 file to just before the code that opens the output file.
1863 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1865 * regmove.c (regmove_optimize): Suppress the optimization for
1866 unchanging destination register. Add comment above function.
1868 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1870 * Makefile.in: Exterminate all references to assert.h.
1871 * cross-make: Likewise.
1873 * configure.in: Correct commentary.
1874 * configure: Regenerate.
1876 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1879 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1880 config/t-netbsd, config/t-rtems, config/x-linux,
1881 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1882 No need to override INSTALL_ASSERT_H.
1884 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1885 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1886 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1888 2001-05-11 Graham Stott <grahams@redhat.com>
1890 * combine.c (simplify_comparison): Fix typo.
1892 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1894 * loop.h (struct movables): Remove `num'.
1895 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1896 Adjust call to strength_reduce.
1897 (num_unmoved_movables): New function.
1898 (move_movables): Don't set movables->num.
1899 (strength_reduce): Compute the number of instructions in the loop
1900 here, rather than in the caller.
1901 (check_dbra_loop): Always clear reversible_mem_store if there
1902 are any memory sets.
1903 (loop_regs_scan): Don't count instructions here.
1904 (count_insn_in_loop): New function.
1906 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1908 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1910 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1912 * c-common.c (finish_label_expr): New function, lifted from
1913 from cp/semantics.c.
1914 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1915 * c-parse.in: Move 3 blocks of parser code into new functions.
1916 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1917 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1918 (lookup_label): Remove.
1920 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1922 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1923 FLOAT_BIT_ORDER_MISMATCH.
1925 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1927 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1928 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1930 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1932 * expr.c (emit_group_load): extract_bit_field requires a REG or
1935 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1937 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1938 a computed jump into an unconditional jump.
1939 In second hunk of code for collapsing computed and conditional jumps
1940 into unconditional jumps, reemit the jump in additional cases.
1942 * jump.c (jump_optimize_1): Do not wrap the new jump target
1943 inside a LABEL_REF; gen_jump will do that automatically.
1945 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1947 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1948 contents for a SYMBOL_REF in case of floating point constants.
1950 2001-05-10 DJ Delorie <dj@redhat.com>
1952 * c-common.c (combine_strings): Widen strings in a
1953 host-endian-independent way.
1955 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1957 * c-parse.in: Remove many shift/reduce conflicts. Update
1959 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1960 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1961 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1962 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1963 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1964 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1965 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1966 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1967 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1968 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1969 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1970 typespec_reserved_nonattr, typespec_reserved_attr,
1971 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1972 structsp_nonattr, components_notype, component_notype_declarator,
1973 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1974 firstparm, setspecs_fp): New
1975 (typed_declspecs, reserved_declspecs, typed_typespecs,
1976 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1977 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1978 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1979 type_quals): Remove. Users updated.
1980 (initdecls, notype_initdecls, after_type_declarator,
1981 parm_declarator, notype_declarator, absdcl1, components, ivars):
1982 Don't allow attributes at the start of a declarator; include them
1983 in the production containing the declarator instead. Always
1984 require type specifiers before trying to redeclare a typedef name.
1985 (typename): Allow for attributes but warn that they are ignored.
1986 (parmlist, firstparm, setspecs_fp): Include attributes in
1987 parmlist; suck them off the parser stack in firstparm using
1990 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1992 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1993 to determine if a block has an unconditional jump at its end.
1995 * jump.c (jump_optimize_1): When converting a conditional jump
1996 to an unconditional jump, build the jump using gen_jump instead
1997 of just modify operands in-place.
1999 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2001 * cppinit.c (cpp_post_options): Shut off macro expansion if
2003 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2004 IN_I directives only if the # is in column 1 and the directive
2005 name begins in column 2.
2006 * cppmain.c (scan_buffer): Insert a space between # and an
2007 identifier, when that identifier is a directive name.
2009 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2010 in the header search path.
2011 (enum node_type): Add T_INCLUDE_NEXT.
2012 (directive_table): Add entry for include_next.
2013 (do_include_next): New function.
2014 (process_include): New routine, broken out of do_include.
2015 (finclude): Insert 'nhd' argument, to be copied into
2016 next_header_dir of the new buffer.
2017 (main): Adjust to match.
2018 * gsyslimits.h, limity.h: Un-indent #include_next.
2020 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2022 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2023 inclusion as a chapter of the GCC manual.
2024 * gcc.texi: Include objc.texi.
2025 * fdl.texi: Use @unnumberedsec for the addendum.
2026 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2028 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2030 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2032 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2034 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2035 handling of two-address insns.
2037 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2039 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2040 ../binutils/nm-new instead of ../binutils/nm.
2042 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2044 * i386.md (movdi splitter): Fix the splitting condition
2045 (float_extenddftf splitter): Fix mode.
2047 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2049 * genrecog.c (write_switch): Avoid outputting of switch for
2050 types wider than int.
2052 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2054 * reload1.c (copy_eh_notes): New function.
2055 (emit_input_reload_insns): Call it.
2056 (emit_output_reload_insns): Call it.
2058 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2060 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2062 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2063 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2065 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2067 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2069 * pa.md (interspace_jump): Revise comment.
2070 (builtin_longjmp): Block initial setup insns from delay slot of
2072 (builtin_setjmp_receiver): New expander to save and restore PIC
2075 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2077 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2079 * toplev.c (compile_file): Set up the output file before we call
2080 the various initializers for the compiler.
2082 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2083 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2085 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2086 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2088 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2090 * Makefile.in (tradcpp0): Correct typo in dependency list.
2092 2001-05-06 Geoff Keating <geoffk@redhat.com>
2094 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2095 the link register if we're not going to use it.
2097 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2098 (output_function_profiler): Likewise.
2100 2001-05-07 Alan Modra <amodra@one.net.au>
2102 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2104 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2106 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2107 zero-extend it. Make abs_inc unsigned.
2109 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2110 widest mode in narrowing and widening operations.
2112 * config/mips/mips.md: Sign extend CONST_INTs.
2114 2001-05-06 Andreas Jaeger <aj@suse.de>
2116 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2117 (i386 Options): Document -momit-leaf-frame-pointer.
2119 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2121 * c-typeck.c (internal_build_compound_expr): Check for
2122 array to pointer conversion just once.
2124 2001-05-05 Richard Henderson <rth@redhat.com>
2126 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2128 2001-05-05 Richard Henderson <rth@redhat.com>
2130 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2131 to the parent of the fixup region.
2133 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2135 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2137 * cpp.texi (__NO_INLINE): Document it.
2139 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2141 * cppfiles.c (struct include_file): New member err_no.
2142 (find_or_create_entry): Set it.
2143 (open_file): Don't set fds to -2. Instead, use err_no to
2144 remember previous errors, if any.
2146 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2148 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2149 between X and Y by using sequences of xgdx and xgdy.
2151 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2153 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2154 of '!' for the 'D' alternative ('!' is too strong).
2155 ("*logicalsi3_silshl16"): Likewise.
2156 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2157 ("movstrictsi"): Remove spurious '+'.
2158 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2159 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2160 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2163 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2165 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2167 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2169 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2172 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2174 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2177 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2179 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2180 soft register, use ror instead of rol.
2182 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2184 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2185 into account pre/post increment decrement for 68HC12.
2186 Fix other problems in replacement and fix call to reg_mentioned_p.
2188 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2190 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2191 Put the soft registers in bss for 68HC12.
2192 (L_regs_d3_4): New for _.d3 and _.d4.
2193 (L_regs_d5_6): Likewise.
2194 (L_regs_d1_2): Likewise.
2195 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2197 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2199 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2200 to the pre-processor when -fshort-double is specified.
2201 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2203 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2205 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2206 (__mulsi3): Rewrite for 68HC12.
2207 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2208 Mark 'x' constraint with earlyclobber to prevent a
2209 RELOAD_FOR_OTHER_ADDRESS to go in it.
2210 (mulhi3_m68hc12): New pattern.
2211 (mulhi3_m68hc11): Rename of mulhi3.
2212 (mulhi3): New expand for 68HC12 optimisation.
2213 (umulhisi3, mulhisi3): New patterns for 68HC12.
2215 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2217 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2218 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2219 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2221 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2223 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2224 constants cheap after reload.
2225 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2227 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2228 so that gcc prefers a shift by 16.
2229 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2231 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2233 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2235 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2237 * alpha.h: NULL_PTR -> NULL.
2244 * i386.md: Likewise.
2247 * m68hc11.h: Likewise.
2248 * rs6000.h: Likewise.
2251 * sparc.h: Likewise.
2255 * final.c: Likewise.
2257 * recog.c: Likewise.
2259 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2261 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2262 `bool' parameter to `int'.
2264 * hash.c (hash_lookup): Likewise.
2266 * hash.h (hash_lookup): Likewise.
2268 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2270 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2272 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2274 2001-05-03 Geoff Keating <geoffk@redhat.com>
2276 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2277 -malign-loops, -malign-functions.
2278 * i386.c (ix86_align_funcs): Delete.
2279 (ix86_align_loops): Delete.
2280 (ix86_align_jumps): Delete.
2281 (override_options): Mark -malign-* as obsolete. Emulate their
2282 behaviour with the -falign-* options. Default -falign-* from
2283 the processor table.
2284 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2285 patch of Wed May 2 13:09:36 2001.
2286 (LOOP_ALIGN): Delete.
2287 (LOOP_ALIGN_MAX_SKIP): Delete.
2288 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2289 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2291 2001-05-04 Andreas Jaeger <aj@suse.de>
2293 * except.h: Add prototype declaration for
2294 expand_builtin_init_dwarf_reg_sizes.
2296 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2298 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2300 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2302 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2304 ("bitcmpqi2"): New pattern for bit-extract and test.
2305 ("bitcmphi"): New pattern for bitb/bita instructions.
2307 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2309 * gccbug.in: Use a temporary directory when the mktemp command is
2312 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2314 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2316 (INITIALIZE_TRAMPOLINE): Call it.
2317 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2318 (TRAMPOLINE_TEMPLATE): Remove.
2319 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2320 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2323 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2325 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2326 and crtendS.o with PIC.
2328 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2330 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2332 (___subdi3, ___adddi3): Use x instead of y as index register.
2333 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2334 (__memset, __memcpy): Likewise.
2335 (regs): Put the soft registers in bss for 68HC12.
2336 (abort): Use trap to abort for 68hc12.
2337 (__mulhi3, __mulhi32): Use emul for 68hc12.
2338 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2340 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2342 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2343 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2344 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2345 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2346 Set 68HC12 min offset to -65536.
2347 (print_operand): Put parenthesis arround the operand if it refers
2348 to a symbol having the same name as a register.
2349 (m68hc11_z_replacement): When z register is replaced by its
2350 equivalent soft register, force the insn to be re-recognized.
2351 (m68hc11_check_z_replacement): Fix the test when destination is
2352 the index register and z dies in the insn.
2353 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2355 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2357 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2358 costs according to processor variant.
2359 (m68hc11_shift_cost): New function to compute shift costs.
2360 (m68hc11_rtx_costs): Define costs according to processor variant.
2361 (m6811_cost): Costs for 68HC11.
2362 (m6812_cost): Costs for 68HC12.
2363 (COSTS_N_INSNS): Remove.
2365 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2366 (DEFAULT_RTX_COSTS): Remove.
2367 (CONST_COSTS): Define costs according to OUTER_CODE.
2368 (processor_costs): New struct to define costs.
2369 (m68hc11_cost): Pointer to current costs.
2371 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2373 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2374 and use m68hc11_notice_keep_cc when using leax/leay.
2375 (addhi3 split): Reject split if the insn is handled by
2377 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2378 push must be handled in a special way if the source operand uses
2379 sp as index register.
2380 (m68hc11_notice_keep_cc): New function.
2381 (m68hc11_gen_movhi): Use it when an insn changes a register but
2383 (m68hc11_gen_movqi): Fix move for 68HC12.
2384 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2386 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2388 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2389 and don't pass operands[0] to emit_library_call_value.
2391 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2393 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2394 (zero_extendsi split): Simplify and use (zero_extendhi).
2395 (*addhi3): Remove 'w' constraint since stack pointer is handled
2397 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2398 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2399 (*ashrhi3_const): Fix shift by 7.
2400 (*lshrsi3_const16): Fix template.
2401 (call, call_value): Fix constraint and predicate.
2403 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2405 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2406 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2407 (CC_REGNUM): Likewise.
2408 (*unnamed splits): Use above constants instead of hard coded numbers.
2409 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2410 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2411 (*return_16bit, *unnamed peepholes): Likewise.
2413 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2415 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2416 rs6000/rs6000.h twice.
2418 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2420 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2421 (CPP_SPEC): Conditionally define MSDOS and GO32.
2422 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2423 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2425 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2427 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2429 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2431 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2433 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2434 * integrate.c (expand_inline_function): Use xcalloc to allocate
2436 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2439 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2441 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2444 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2446 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2447 linker if -mrelax is given.
2448 (TARGET_SWITCHES): Document -mrelax.
2450 Re-installed 2001-01-09's patch:
2451 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2452 if it's wider than long and the target's long is wider than the
2455 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2457 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2458 directly include rs6000/rs6000.h. Instead do it in tm.h.
2460 2001-05-02 Stan Shebs <shebs@apple.com>
2462 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2463 NSConstantString for NeXT-style runtimes.
2464 (STRING_OBJECT_GLOBAL_NAME): New macro.
2465 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2466 OCTI_STRING_CLASS_DECL.
2467 (constant_string_global_id): New macro.
2468 (string_class_decl): Ditto.
2469 (setup_string_decl): New function.
2470 (build_objc_string_object): Use it to build a NeXT runtime
2471 compatible string initializer.
2473 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2475 * tradcpp.c (do_define): Make sure we don't walk past limit.
2477 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2479 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2480 offsets if not REG_OK_STRICT.
2482 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2483 (INT_REG_OK_FOR_INDEX_P): Likewise.
2484 (INT_REG_OK_FOR_BASE_P): Likewise.
2485 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2486 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2487 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2488 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2489 REG_OK_FOR_BASE_P. Take an additional parameter.
2490 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2491 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2492 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2493 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2494 rs6000_legitimate_address() and use it.
2495 * config/rs6000/rs6000.c: Update all callers.
2496 (rs6000_legitimate_address): New function.
2498 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2500 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2501 special_constant conditional blocks together.
2503 2001-05-02 Dale Johannesen <dalej@apple.com>
2505 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2507 (STRICT_ARGUMENT_NAMING): Define.
2508 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2509 function_arg_partial_nregs, setup_incoming_varargs): Remove
2510 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2513 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2515 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2517 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2520 * expr.c (store_field): Do nothing except elaborate side-effects if
2523 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2525 * c-lex.c: NULL_PTR -> NULL.
2527 * emit-rtl.c: Likewise.
2529 * genpeep.c: Likewise.
2531 * mips-tdump.c: Likewise.
2532 * reload1.c: Likewise.
2533 * rtlanal.c: Likewise.
2535 * stor-layout.c: Likewise.
2536 * toplev.c: Likewise.
2538 2001-05-01 Per Bothner <per@bothner.com>
2540 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2541 call do_pending_stack_adjust before emiting label.
2543 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2545 * extend.texi: Fix typo.
2547 2001-05-01 Stan Shebs <shebs@apple.com>
2549 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2550 of UOBJC_MODULES_decl.
2551 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2552 (generate_descriptor_table): Ditto.
2553 (generate_protocols): Ditto.
2554 (generate_protocol_list): Ditto.
2555 (generate_classref_translation_entry): Ditto.
2557 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2559 * invoke.texi (Optimize Options): Add documentation for `--param
2560 max-delay-slot-insn-search' and `--param
2561 max-delay-slot-live-search' and reorder --param section.
2562 * params.def: Modify initial comment.
2563 * params.h (param_info): Add `help' member.
2564 * toplev.c (lang_independent_params): Include `help' description.
2565 (display_help): Print --param parameters.
2567 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2569 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2570 Remove references to deleted files.
2571 (*-*-openbsd): No need to override xmake_file.
2572 (*-*-sysv4): Treat like *-*-sysv.
2574 * configure.in: Probe for ldopen in various places, and set up
2575 collect2 to be linked with them if found.
2576 Don't dink with Windows registry stuff unless $host_os is a
2577 Win32 os name. Check to see if we need -ladvapi32.
2578 * configure: Regenerate.
2580 * Makefile: Get rid of CLIB and HOST_CLIB.
2581 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2582 * build-make: Get rid of HOST_CLIB.
2584 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2585 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2586 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2587 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2588 config/rs6000/x-rs6000: Delete.
2590 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2593 24 x-host fragments remain, 0 x-cpu, 3 top level.
2595 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2597 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2598 * configure: Regenerate.
2600 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2602 * Makefile.in (install-headers): Remove redundant dependency.
2604 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2606 * c-tree.texi (USING_STMT): Document.
2608 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2610 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2611 * c-common.c: Likewise.
2612 * c-decl.c: Likewise.
2613 * combine.c: Likewise.
2614 * rs6000.c: Likewise.
2615 * except.c: Likewise.
2616 * explow.c: Likewise.
2618 * fold-const.c: Likewise.
2619 * function.c: Likewise.
2622 * integrate.c: Likewise.
2624 * objc/objc-act.c: Likewise.
2625 * recog.c: Likewise.
2626 * reg-stack.c: Likewise.
2627 * reload.c: Likewise.
2628 * reload1.c: Likewise.
2629 * simplify-rtx.c: Likewise.
2631 * varasm.c: Likewise.
2633 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2635 * diagnostic.def: New file.
2636 * diagnostic.h (diagnostic_t): New enum.
2637 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2639 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2641 * tsystem.h: Test only POSIX for availability of string.h
2643 * config.gcc (all systems): If USG appeared in xm_defines,
2644 change it to POSIX. If both USG and POSIX appeared, just
2645 delete USG. Remove unnecessary quotes around xm_defines
2647 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2648 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2649 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2650 powerpc-*-linux*): No need to set xm_defines - handled by
2651 global settings for *-*-linux*.
2653 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2655 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2656 Always include gstab.h, not system stab.h. Don't provide
2657 default definitions of N_CATCH or N_OPT. Always use the
2658 gstab.h variant of STAB_CODE_TYPE.
2659 * final.c: Don't include stab.h/gstab.h at all, or provide
2660 defaults for N_SLINE and N_SOL.
2662 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2663 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2665 * sdbout.c: Always include gsyms.h instead of system syms.h.
2667 * configure.in: No need to check for stab.h.
2668 * configure, config.in: Regenerate.
2669 * Makefile.in (final.o): Don't depend on gstab.h.
2671 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2672 Richard Henderson <rth@redhat.com>
2674 * extend.texi: Improve documentation of volatile asms.
2676 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2678 * c-tree.texi: Fix thinko.
2679 * gcc.texi: Likewise.
2681 2001-04-30 Richard Henderson <rth@redhat.com>
2683 * c-common.c (c_promoting_integer_type_p): New function, from the
2684 corpse of old macro. Properly promote too-small enumerations and
2685 booleans. Adjust all callers.
2686 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2687 (c_promoting_integer_type_p): Declare.
2688 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2689 * c-typeck.c: Likewise.
2690 (default_conversion): Remove now redundant boolean check.
2692 2001-04-30 Jan Hubicka <jh@suse.cz>
2693 Richard Henderson <rth@redhat.com>
2695 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2697 (combine_stack_adjustments_for_block): Don't combine stack
2698 allocation followed by deallocations. Handle grow-up stacks.
2700 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2702 * fdl.texi: New file.
2703 * c-tree.texi: Use the GFDL.
2704 * gcc.texi: Likewise.
2706 2001-04-30 Stan Shebs <shebs@apple.com>
2708 * invoke.texi: Add a section documenting Objective-C options.
2710 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2712 * emit-rtl.c (try_split): Copy EH notes to sequence.
2714 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2716 * regmove.c (record_stack_memrefs): Catch all references to the
2719 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2721 * Makefile.in (stmp-fixinc): quote shell assignment values
2723 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2725 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2729 * prefix.c: Likewise.
2731 2001-04-28 Stan Shebs <shebs@apple.com>
2733 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2734 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2735 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2736 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2738 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2739 (NEXT_OBJC_RUNTIME): Define.
2741 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2743 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2744 * simplify-rtx.c (simplify_gen_relational): Likewise.
2746 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2748 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2749 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2751 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2752 registers in SSE case; fix handling of the immediates.
2753 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2754 operands to be in regsiters before reload.
2755 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2756 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2757 (abstf,absxf,negtf,negxf splitters): Compute
2758 properly the regnum for x86_64.
2759 (avsdf2_if_rex64): New.
2761 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2763 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2764 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2765 into the constant pool.
2766 * jump.c (jump_optimize_1): Remove barrier successors after all
2767 the LABEL_NUSES counds have been computed.
2768 (delete_barrier_successors): When deleting a tablejump insn, also
2769 delete the jump table it uses.
2770 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2773 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2775 * pa.c (FRP): Remove erroneous white space in macro definition.
2777 2001-04-28 Andreas Jaeger <aj@suse.de>
2779 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2781 * extend.texi: Likewise.
2782 * tm.texi: Likewise.
2784 2001-04-28 Andreas Jaeger <aj@suse.de>
2786 * md.texi: Use XX-bit instead of XXbit or XX bit where
2789 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2791 * gcc.c (process_command): Allow -l lib in addition to -llib
2792 for POSIX compliance. This fixes PR c/2347.
2794 * invoke.texi: Update section on Link Options accordingly.
2796 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2798 * function.c (purge_addressof_1): Remove the duplicate
2799 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2802 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2804 * except.c (expand_eh_region_start): Don't start a new block.
2805 (expand_eh_region_end): Don't end a block.
2806 * stmt.c (expand_end_bindings): Don't end EH blocks.
2807 (expand_decl_cleanup): Starting an EH region won't change the block.
2808 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2809 (is_eh_region): Lose.
2812 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2814 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2816 * collect2.c (main): Add `-L' case to remove duplicate entries.
2817 (is_in_args): New function to check for a duplicate argument.
2818 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2819 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2820 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2821 Define to be nonzero.
2823 2001-04-27 Andreas Jaeger <aj@suse.de>
2824 Richard Henderson <rth@redhat.com>
2826 * md.texi (Machine Constraints): Document additional i386
2827 constraints and fix description of "A".
2829 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2831 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2833 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2835 * except.c (get_exception_filter): word_mode, not Pmode.
2837 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2839 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2840 common to other movsf patterns. Move up so that in future
2841 people who change the other patterns will change it too.
2842 (movsf_lo_sum): Allow even for soft-float; add appropriate
2844 (movsf_high): Likewise.
2845 (movsf_high+1): Allow even for soft-float.
2847 * function.c (expand_function_end): Always clobber the
2848 return registers, even if there is no return label.
2850 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2852 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2854 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2856 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2857 (pushqi2_rex64, pushhi2_rex64): Add.
2859 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2861 * except.c (expand_eh_region_end_cleanup): Force pending stack
2862 adjust before emitting label that branches around cleanup code.
2864 2001-04-26 H.J. Lu (hjl@gnu.org)
2866 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2868 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2870 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2871 (ASM_OUTPUT_SECTION_NAME): Likewise.
2872 (ASM_WEAKEN_LABEL): Likewise.
2873 (UNIQUE_SECTION): Likewise.
2874 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2875 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2876 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2877 (ASM_OUTPUT_SECTION_NAME): Likewise.
2878 (ASM_WEAKEN_LABEL): Likewise.
2879 (UNIQUE_SECTION): Likewise.
2880 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2881 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2882 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2883 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2884 (ASM_FILE_START): Likewise.
2885 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2886 (ASM_DECLARE_OBJECT_NAME): Likewise.
2887 (ASM_FILE_END): Likewise.
2888 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2889 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2890 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2891 (ASM_OUTPUT_CASE_LABEL): Likewise.
2892 (ASM_OUTPUT_SKIP): Likewise.
2893 (ASM_OUTPUT_ASCII): Likewise.
2894 (ASM_OUTPUT_IDENT): Likewise.
2895 (READONLY_DATA_SECTION): Likewise.
2896 (EXTRA_SECTIONS): Likewise.
2897 (EXTRA_SECTION_FUNCTIONS): Likewise.
2898 (SELECT_RTX_SECTION): Likewise.
2899 (SELECT_SECTION): Likewise.
2901 * config/mips/linux.h (INVOKE__main): Undefine.
2902 (CTOR_LIST_BEGIN): Likewise.
2903 (CTOR_LIST_END): Likewise.
2904 (DTOR_LIST_BEGIN): Likewise.
2905 (DTOR_LIST_END): Likewise.
2906 (SET_ASM_OP): Defined it to ".dummy".
2907 (ASM_OUTPUT_DEF): Defined.
2908 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2910 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2912 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2913 assembler supports .p2align.
2915 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2917 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2919 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2921 * integrate.c (expand_inline_function): Check for error_mark_node
2924 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2926 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2929 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2931 * configure.in (configargs.h): Define thread_model.
2932 * configure: Rebuilt.
2933 * gcc.c (main): Print it with -v.
2935 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2937 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2938 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2939 * gcc.1: Regenerate.
2941 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2943 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2944 is_redundant_typedef): Use static inline instead of inline static.
2946 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2948 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2949 this directory is always searched.
2951 2001-04-25 Richard Henderson <rth@redhat.com>
2953 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2954 of registers to restore along non eh_return path.
2956 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2958 * c-format.c (check_format_info_recurse): Handle
2959 PLUS_EXPR for format string.
2961 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2963 * config/ia64/ia64.h (CC1_SPEC): Define.
2964 * config/ia64/linux.h (CC1_SPEC): Define.
2966 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2968 * emit-rtl.c (constant_subword): Also do sign extension in
2969 BITS_PER_WORD == 16 case.
2971 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2973 * loop.c (try_swap_copy_prop): Go back to checking insn.
2975 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2977 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2978 if check_mode is non-zero.
2980 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2982 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2983 out and comparison sequence has been detected, put result into
2984 proper temporary pseudo.
2986 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2988 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2989 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2990 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2991 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2992 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2993 for future reference.
2995 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2997 * except.c (reachable_handlers): Step out one level from a RESX.
2999 * except.c (struct eh_region): Rename 'last' to 'resume'.
3000 (mark_eh_region, duplicate_eh_region_1): Adjust.
3001 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3002 (build_post_landing_pads): Likewise.
3003 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3004 (expand_eh_region_end_must_not_throw): Likewise.
3005 (connect_post_landing_pads): Thread (only) regions with non-deleted
3008 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3009 registers around the cleanup.
3010 (get_exception_filter): New fn.
3011 (finish_eh_generation): Use it.
3013 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3015 * c-semantics.c (add_scope_stmt): Don't call
3016 current_scope_stmt_stack multiple times.
3018 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3019 Nathan Sidwell <nathan@codesourcery.com>
3021 Lazy __FUNCTION__ generation.
3022 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3023 RID_C99_FUNCTION_NAME): New _RIDs.
3024 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3025 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3026 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3028 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3029 (c99_function_name_decl_node, function_name_decl_node,
3030 pretty_function_name_decl_node, saved_function_name_decls):
3032 (struct language_function): Remove x_function_name_declared_p.
3033 (make_fname_decl): Remove a parameter.
3034 (declare_function_names): Remove prototype.
3035 (start_fname_decls, finish_fname_decls): Prototype.
3036 (fname_as_string): Likewise.
3037 (fname_string, fname_decl): Likewise.
3038 * c-common.c (make_fname_decl): Adjust.
3039 (struct fname_var_t): New struct.
3040 (fname_vars): New static array.
3041 (declare_function_name): Remove.
3042 (start_fname_decls, finish_fname_decls): New functions.
3043 (fname_as_string): New function from remnants of
3044 declare_function_name.
3045 (fname_string, fname_decl): New functions.
3047 * c-decl.c (c_function_name_declared_p): Remove.
3048 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3049 don't call declare_function_name. Call start_fname_decls.
3050 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3051 clobber the line number. Call finish_decl.
3052 (start_function): Call start_fname_decls.
3053 (finish_function): Call finish_fname_decls.
3054 Remove c_function_name_declared_p.
3055 (push_c_function_context): Don't push c_function_name_declared_p.
3056 (pop_c_function_context): Don't pop c_function_name_declared_p.
3057 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3058 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3059 (program): Call finish_fname_decls for C.
3060 (primary): Add VAR_FUNC_NAME.
3061 (reswords): Add slots for __FUNCTION__ et al.
3062 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3063 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3064 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3065 * c-semantics.c (prune_unused_decls): Remove.
3066 (finish_stmt_tree): Don't call prune_unused_decls.
3067 (genrtl_decl_stmt): Don't prune unused decls here.
3069 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3071 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3072 constant pool, use the pool's SYMBOL_REF instead.
3074 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3077 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3079 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3080 passing nested NOP_EXPRs to fold.
3082 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3084 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3086 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3088 * loop.c (loop_delete_insns): Add prototype.
3090 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3092 * configure.in: Remove ENABLE_STD_NAMESPACE.
3093 * config.in: Regenerated.
3094 * configure: Regenerated.
3096 2001-04-22 Stan Shebs <shebs@apple.com>
3098 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3100 * config/rs6000/xm-darwin.h: Remove file.
3102 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3104 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3105 (write_c_file_stat): Likewise.
3107 * dbxout.c (dbxout_init): Likewise.
3109 * profile.c (output_func_start_profiler): Likewise.
3111 2001-04-22 Philipp Thomas <pthomas@suse.de>
3113 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3114 require it instead of the CVS version.
3115 * cpperror.c (v_message): Put a blank before the macro
3116 body to not confuse exgettext.
3118 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3120 * flow.c (proagate_one_insn): Remove useless assignment.
3121 * jump.c (delete_insn): Tidy.
3122 * loop.c (try_copy_prop): When deleting an instruction with a
3123 REG_RETVAL note, delete the entire libcall sequence.
3124 (loop_delete_insns): New function.
3125 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3126 we're not substituting into them yet.
3128 2001-04-21 Kazu Hirata <kazu@hxi.com>
3130 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3132 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3134 * config/i960/i960.c (signed_arith_operand): Likewise.
3136 * calls.c (expand_call): Fix a comment typo.
3138 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3140 * configure.in: Probe for times, clock, struct tms, and clock_t.
3141 * configure, config.in: Regenerate.
3142 * timevar.c: Replace ifdef forest in get_time with (relatively)
3143 straightforward series of checks based on autoconf's probes.
3145 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3147 * config/pa/som.h (NM_FLAGS): Define.
3149 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3151 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3153 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3154 * ia64.c (nop_cycles_until): New function.
3155 (prev_cycle, prev_first, last_issued): New static variables.
3156 (ia64_sched_reorder): Additional arg for clock.
3157 On final scheduling pass, emit extra NOPs as needed.
3158 Set prev_first and prev_cycle.
3159 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3160 (ia64_variable_issue): Set last_issued.
3162 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3164 * config/i386/i386.c (ix86_expand_int_movcc,
3165 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3167 2001-04-20 Geoff Keating <geoffk@redhat.com>
3169 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3170 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3171 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3172 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3173 ctrdi_internal6): In the short-branch case, this insn is only 4
3174 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3176 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3178 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3179 "=u" is used together with "st" resp. "st(1)" clobber.
3181 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3183 * gcse.c (gcse_main): Fix comment typo.
3184 (delete_null_pointer_check): Likewise.
3185 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3186 * cse.c (cse_insn): Likewise.
3187 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3190 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3192 * toplev.c: Excise all code for the undocumented -dm option.
3193 (float_signal): Call signal just once, unconditionally.
3195 2001-04-19 Geoff Keating <geoffk@redhat.com>
3197 * fold-const.c (fold): Use first_rtl_op rather than
3198 TREE_CODE_LENGTH when looping over parameters of a tree.
3199 Correct strange grouping in test for evaluated SAVE_EXPR.
3201 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3203 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3204 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3206 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3207 name at 32 total characters.
3208 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3209 functions in named sections -- data items can still go into unique
3210 sections, but they have normal names (ie $LIT$ and $DATA$).
3212 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3215 2001-04-19 DJ Delorie <dj@redhat.com>
3217 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3218 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3219 * config/i386/cygwin.h: Likewise.
3220 * config/i386/mingw32.h: Likewise.
3221 * config/vax/vms.h: Likewise.
3222 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3224 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3225 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3226 * config/i386/xm-cygwin.h: Likewise.
3227 * config/i386/xm-djgpp.h: Likewise.
3228 * config/i386/xm-mingw32.h: Likewise.
3229 * config/vax/xm-vms.h: Likewise.
3231 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3232 instead of OBJECT_SUFFIX.
3233 * collect2.c (find_a_file): Look for files matching the extension
3234 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3235 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3236 TARGET_EXECUTABLE_SUFFIX.
3237 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3238 (make_relative_prefix): Likewise.
3239 (convert_filename): Use TARGET_ suffixes throughout. Remove
3241 (process_command): Likewise.
3242 (do_spec_1): Likewise.
3243 * java/lang.c (init_parse): Likewise.
3245 * gcc.texi : Document four new options matching the pattern
3246 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3247 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3248 documentation for NO_AUTO_EXE_SUFFIX.
3250 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3252 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3253 that language-independent processing should not be done.
3254 * toplev.c (main): Adjust accordingly.
3256 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3257 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3259 * mips.md (reload_outputdi): Require that operand0 be a
3262 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3264 * invoke.texi (-Wshadow): Clarify.
3266 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3268 * loop.c (load_mems): Examine all the instructions in the loop
3269 before concluding that all jumps branch to the first instruction
3272 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3274 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3276 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3278 * cpp.texi (-Wwhite-space): Remove.
3279 (-Wall): -Wall does not imply -Wwhite-space.
3281 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3283 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3284 use it instead of blindly generating a .stabs.
3285 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3287 * xcoffout.c: Don't bother defining default for N_CATCH.
3288 (UNKNOWN_STAB): Use internal_error.
3289 (stab_to_sclass): Remove now-unnecessary aborts.
3290 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3292 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3294 * jump.c (mark_all_labels): Canonicalize the tail recursion
3295 label attached to CALL_PLACEHOLDER insns.
3297 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3299 * output.h (dump_flow_info, free_basic_block_vars,
3300 which_alternative): Delete redundant prototypes.
3302 * rtl.h (bss_section): Likewise.
3304 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3306 * dbxout.c (N_OPT): Define if not available from <stab.h>
3308 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3310 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3311 libraries and native K&R compilers.
3313 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3315 * c-typeck.c (convert_arguments): Don't check for width changes
3318 * invoke.texi (-Wtraditional): Update documentation.
3320 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3322 * toplev.c (output_lang_identify): Delete.
3323 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3324 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3325 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3326 after calling ASM_FILE_END.
3328 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3329 Instead, unconditionally emit an N_OPT stab with string equal
3330 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3332 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3334 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3335 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3336 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3337 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3338 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3339 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3340 config/i370/i370.h, config/i386/beos-elf.h,
3341 config/i386/osf1elf.h, config/i386/osfrose.h,
3342 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3343 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3344 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3345 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3346 config/mips/iris6.h, config/mips/osfrose.h,
3347 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3348 config/sparc/sp64-elf.h:
3349 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3350 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3352 * config/elfos.h, config/freebsd.h, config/linux.h,
3353 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3354 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3355 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3356 of ASM_FILE_START which merely emit a .version directive. Delete
3357 definitions of ASM_FILE_END which merely emit an .ident directive.
3359 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3360 ASM_IDENTIFY_GCC and move part of its logic into
3363 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3364 config/sparc/linux-aout.h: Don't emit .version directive in
3367 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3368 (output_file_start): Correct comment.
3370 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3371 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3373 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3374 * config/rs6000/aix.h: Correct comment.
3376 * config/i386/i386afe.h: Delete.
3377 * config.gcc: Remove references to i386afe.h.
3379 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3380 other macros deleted by this patch were undocumented.
3382 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3384 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3386 * pa.c (secondary_reload_class): SAR<->FP copies require a
3389 * install.texi (mips-mips-bsd): Update list of functions
3390 required to include memmove.
3391 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3392 used functions to include memmove.
3394 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3396 * i386.md (sqrtdf2): SFmode should be DFmode.
3398 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3400 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3401 (find_moveable_store): Likewise.
3403 2001-04-15 Jim Wilson <wilson@redhat.com>
3405 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3407 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3409 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3410 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3412 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3414 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3417 2001-04-14 Alan Modra <amodra@one.net.au>
3419 * pa.c (force_mode): New function.
3420 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3422 2001-04-13 Jim Wilson <wilson@redhat.com>
3424 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3425 (first_instruction): New static variable.
3426 (rtx_needs_barrier): Return 1 for alloc.
3427 (init_insn_group_barriers): Set first_instruction.
3428 (rws_sum): Delete duplicate definition.
3429 (group_barrier_needed_p): Return 0 when first_instruction true.
3430 (safe_group_barrier_needed_p): Save and restore first_instruction
3431 around group_barrier_needed_p call.
3433 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3435 * expr.h (enum libfunc_index): Add LTI_memmove.
3436 (memmove_libfunc): Define macro.
3437 * optabs.c (init_optabs): Initialize memmove_libfunc.
3438 * expr.c (expand_assignment): Use memmove_libfunc instead of
3441 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3443 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3446 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3448 * Makefile.in (reg-stack.o): Depend on reload.h.
3449 (insn-attrtab.o): Depend on flags.h.
3451 * genattrtab (main): Include flags.h in insn-attrtab.c.
3453 * reg-stack.c: Include reload.h.
3455 * sparc.h (flag_pic): Delete redundant declaration.
3457 * output.h (flag_pic): Likewise.
3459 * tree.h (pedantic): Likewise.
3461 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3463 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3465 * jump.c, regmove.c, toplev.c: Include reload.h.
3467 * reload.h (reload_cse_regs): Declare.
3469 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3470 reload_cse_regs, init_reload, mark_home_live, reload,
3471 init_caller_save): Delete redundant prototypes.
3473 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3475 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3477 * regclass.c, ssa.c: Include expr.h.
3479 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3480 gen_move_insn): Delete redundant declarations.
3482 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3484 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3485 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3486 MAKEINFO and MAKEINFOFLAGS too.
3487 (stage4_build): Correctly order -B flags.
3489 2001-04-13 Alan Modra <amodra@one.net.au>
3491 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3492 PIC_OFFSET_TABLE_SAVE_RTX.
3493 (zdepi_cint_p): Describe zdepi insn.
3494 Formatting and white space fixes throughout file.
3496 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3497 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3498 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3499 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3500 (output_64bit_and): Use plain `int's for shift counts.
3501 (output_64bit_ior): Likewise.
3502 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3503 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3506 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3507 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3508 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3509 NEW_HP_ASSEMBLER into one. Kill warnings.
3511 * pa-gas.h: Delete file.
3512 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3513 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3514 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3515 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3517 * config/pa/mill32.S: New file.
3518 * config/pa/mill64.S: New file.
3519 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3520 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3521 * config/pa/t-linux64: New file.
3522 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3523 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3524 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3526 * elfos.h (SELECT_SECTION): Undef before defining.
3527 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3528 (LIB_SPEC): Remove -lmilli.
3529 (DBX_REGISTER_NUMBER): Remove.
3530 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3531 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3532 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3533 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3534 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3535 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3536 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3537 TARGET_GAS): Define.
3538 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3539 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3540 regs if we don't have a prototype.
3541 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3542 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3543 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3544 EH_RETURN_HANDLER_RTX): Define.
3545 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3546 (DWARF_FRAME_REGNUM): Define.
3547 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3548 * pa32-linux.h: New file.
3549 * pa64-linux.h: New file.
3551 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3552 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3553 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3554 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3555 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3556 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3557 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3558 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3559 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3560 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3561 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3562 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3563 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3564 * pa64-hpux.h: New file.
3565 (ASM_FILE_START): Correct typo.
3566 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3567 * config.gcc: Modify for above.
3569 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3571 * jump.c (jump_optimize_1): Don't delete dead stores here.
3572 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3573 prior to running jump optimize before cse2.
3575 2001-04-12 Richard Henderson <rth@redhat.com>
3577 * Makefile.in (regmove.o): Depend on except.h.
3578 * regmove.c: Include it.
3580 2001-04-12 Stan Shebs <shebs@apple.com>
3582 * objc/objc-act.c: Remove all code ifdefed with the never-used
3583 macro OBJC_INT_SELECTORS.
3584 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3585 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3587 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3589 * config/pa/quadlib.c: Add prototypes.
3591 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3593 * bitmap.h (debug_bitmap): Delete redundant prototype.
3595 * rtl.h (get_frame_size): Likewise.
3597 2001-04-12 Jim Wilson <wilson@redhat.com>
3599 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3600 to just emit an fnorm.
3602 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * c-common.h (truthvalue_conversion, type_for_mode,
3605 type_for_size): Delete redundant declarations.
3607 * c-lex.h (is_class_name): Likewise.
3609 * c-tree.h (pedantic, convert, getdecls, gettags,
3610 global_bindings_p, init_decl_processing, insert_block,
3611 maybe_build_cleanup, poplevel, print_lang_decl,
3612 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3613 set_block, incomplete_type_error, build_function_call,
3614 lvalue_or_else, mark_addressable): Likewise.
3616 * expr.h (expand_tree_builtin): Likewise.
3618 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3620 * invoke.texi: Document --param max-gcse-memory.
3622 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3624 * configure.in (errno): Check for declaration.
3625 * configure, config.in: Regenerated.
3627 * system.h (errno): Only declare if not already done.
3629 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3631 * recog.c (general_operand, immediate_operand,
3632 nonmemory_operand): Require CONST_INTs to be sign-extended
3633 values for their modes.
3635 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3637 * expmed.c (store_bit_field): Truncate CONST_INTs.
3638 (expand_mult_highpart, expand_divmod): Likewise.
3639 * expr.c (convert_modes, store_field): Likewise.
3640 * integrate.c (expand_inline_function): Use promote_mode() to
3641 determine whether to convert_modes() an argument as signed
3643 * optabs.c (expand_binop): Get CONST_INT operands
3644 sign-extended for their appropriate modes.
3645 * stmt.c (emit_case_nodes): Convert node values to the
3647 (expand_end_case): Convert minval and range to the appropriate
3649 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3650 the iteration variable.
3651 * varasm.c (immed_double_const): Don't require words to be
3652 narrower than host wide ints to properly sign-extend
3655 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3657 * sh.md (builtin_setjmp_receiver): New expander.
3659 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3661 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3662 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3663 for generating CONST_INT and CONST_DOUBLE.
3665 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3667 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3668 already sign-extended.
3669 (rs6000_emit_prologue): Make register iterator signed.
3670 (rs6000_emit_epilogue): Likewise.
3671 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3673 (movsf split, movdf split): Sign-extend CONST_INTs.
3674 (movdi splits): Likewise.
3676 2001-04-12 Kelley Cook <kelley.cook@home.com>
3678 * config-lang.in (lang_dirs): Add in zlib.
3680 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3682 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3683 operands that make it to RTL.
3685 2001-04-11 Stan Shebs <shebs@apple.com>
3687 Add Darwin (Mac OS X kernel) native support.
3688 * config.gcc (powerpc-*-darwin*): Add native bits.
3689 * config/darwin.c: New file, generic Darwin support functions.
3690 * config/darwin.h: New file, generic Darwin definitions.
3691 * config/darwin-protos.h: New file, generic Darwin prototypes.
3692 * rs6000/darwin.h: New file, Darwin for PowerPC.
3693 * rs6000/t-darwin: New file, Darwin makefile fragment.
3694 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3695 (TARGET_MACHO): Ditto.
3696 (rs6000_abi): Add ABI_DARWIN.
3697 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3698 (RS6000_SAVE_AREA): Ditto.
3699 (FP_ARG_MAX_REG): Ditto.
3700 (RETURN_ADDRESS_OFFSET): Ditto.
3701 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3703 (rs6000_emit_move): Add ABI_DARWIN cases.
3704 (print_operand): Ditto.
3705 (first_reg_to_save): Ditto.
3706 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3707 (debug_stack_info): Ditto.
3708 (rs6000_emit_prologue): Ditto.
3709 (rs6000_emit_epilogue): Ditto.
3710 (output_profiler_hook): Ditto.
3711 (output_function_profiler): Ditto.
3712 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3713 (output_mi_thunk): Add TARGET_MACHO case.
3714 (add_compiler_stub): Ditto.
3715 (output_compiler_stub): Ditto.
3716 (no_previous_def): Ditto.
3717 (output_call): Ditto.
3718 (machopic_output_stub): Ditto.
3719 (rs6000_machopic_legitimize_pic_address): Ditto.
3720 (toc_section): Ditto.
3721 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3722 (macho_high): Ditto.
3725 (load_macho_picbase): Ditto.
3726 (call): Add TARGET_MACHO case to modify function.
3727 (call_value): Ditto.
3728 (call_nonlocal_sysv): Add ABI_DARWIN case.
3729 (call_value_nonlocal_sysv): Ditto.
3730 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3732 (machopic_output_stub): Ditto.
3733 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3735 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3737 * dwarf2out.c (modified_type_die): Don't create new types here.
3738 * tree.h (get_qualified_type): New function.
3739 (build_qualified_type): Adjust comment.
3740 * tree.c (get_qualified_type): New function.
3741 (build_qualified_type): Use it.
3743 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3745 * cpp.texi (-Wtraditional): Update description.
3747 * invoke.texi (-Wtraditional): Likewise.
3749 2001-04-11 Jim Wilson <wilson@redhat.com>
3751 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3752 requires more than 64 bits of alignment.
3754 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3756 * cpplib.c (do_line): Sanity check iff enable checking.
3758 2001-04-11 Richard Henderson <rth@redhat.com>
3760 * Makefile.in (insn-recog.o): Depend on toplev.h.
3761 (insn-emit.o, doloop.o): Likewise.
3762 * genrecog.c, genemit.c: Include toplev.h in generated file.
3763 * doloop.c: Include toplev.h.
3765 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3767 * Makefile.in (gcse.o): Depend on params.h.
3768 * gcse.c: Include params.h.
3769 (gcse_main): Don't do GCSE if doing so will take inordinate
3771 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3772 * params.h (MAX_GCSE_MEMORY): New macro.
3774 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3776 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3778 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3780 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3782 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3784 * real.h (ereal_atof, real_value_truncate, target_isnan,
3785 target_isinf, target_negative, assemble_real, debug_real): Delete
3786 redundant prototypes.
3788 * Makefile.in (ifcvt.o): Depend on toplev.h.
3790 * c-semantics.c: Include expr.h.
3792 * ifcvt.c: Include toplev.h.
3794 * expr.h (rtx_equal_p): Delete prototype.
3796 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3797 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3798 eliminate_constant_term, expand_complex_abs, find_single_use,
3799 make_tree, init_expr_once, init_optabs, supports_one_only):
3802 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3803 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3804 expand_assignment, store_expr, emit_line_note_after,
3805 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3807 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3809 * sparc-protos.h: Delete redundant prototypes.
3811 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3813 * reload.c (push_reload): Add condition missed in SUBREG byte
3816 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3818 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3820 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3822 * i386.md (floatsisf_sse): Fix output template
3823 * i386.c (ix86_expand_fp_movcc)
3825 * reg-stack.c (emit_pop_insn): Handle complex modes.
3826 (move_for_stack_reg): Emit proper move mode.
3827 (subst_stack_regs_pat): Handle complex modes.
3829 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3831 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3833 2001-04-10 Richard Henderson <rth@redhat.com>
3835 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3836 (__pure_virtual, __terminate, __terminate_set_func,
3837 __default_terminate, __throw_type_match, __empty,
3838 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3839 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3840 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3841 Remove prototypes of deleted functions.
3843 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3845 * c-typeck.c (convert_arguments): -Wtraditional now activates
3846 -Wconversion warnings, except for changes in signed-ness.
3847 Detect complex<->int & int<->complex conversions as well.
3849 * invoke.texi (-Wtraditional): Document it.
3851 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3853 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3854 * flow.c (set_block_for_new_insns): Remove needless cast and
3855 properly check for unset block number.
3857 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3859 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3860 the subreg was a hard register. Pseudos are left as subregs.
3862 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3864 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3865 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3866 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3867 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3868 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3870 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3872 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3874 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3876 * output.h (set_block_num): Missed it earlier, remove deprecated
3879 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3881 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3882 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3883 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3884 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3885 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3886 (expr_killed_p): Change bb parameter from int to basic_block, pass
3887 basic_blocks instead of ints as parameters.
3888 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3889 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3890 from int to basic_block, pass basic_blocks instead of ints as parms.
3891 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3892 parameter from int to basic_block, pass basic_blocks instead of ints.
3893 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3894 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3895 pass basic_blocks instead of ints.
3896 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3897 basic_blocks instead of ints as parameters.
3898 (pre_delete): Pass basic_blocks instead of ints as parameters.
3899 (hoist_expr_reaches_here_p): Change bb parameter from int to
3900 basic_block, pass basic_blocks instead of ints.
3901 (hoist_code): Pass basic_blocks instead of ints as parameters.
3902 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3903 Change bb parameter from int to basic_block.
3904 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3905 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3906 pass basic_blocks instead of ints.
3907 (insert_store): Pass basic_blocks instead of ints as parameters.
3908 (replace_store_insn, delete_store): Change bb parameter from int to
3909 basic_block, pass basic_blocks instead of ints.
3910 (store_motion): Pass basic_blocks instead of ints as parameters.
3912 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3914 * basic-block.h (set_new_block_for_insns): New Prototype.
3915 (set_block_num): Delete prototype.
3916 * flow.c (set_block_num): Remove obsolete function.
3917 (set_block_for_new_insns): Set BB for single or multiple insns.
3918 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3919 (process_insn_end_bb): Use set_block_for_new_insns or
3920 set_block_for_insn instead of set_block_num.
3921 (pre_insert_copy_insn): Use set_block_for_new_insns.
3922 (update_ld_motion_stores): Use set_block_for_new_insns.
3923 (insert_insn_start_bb): Use set_block_for_new_insns.
3924 (replace_store_insn): Use set_block_for_new_insns.
3926 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3927 Jeff Law <law@redhat.com>
3929 * alias.c (get_addr): Externalize.
3930 (canon_true_dependence): New function. Behaves like true_dependance
3931 except it already assumes a MEM has been canonicalized.
3932 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3933 * gcse.c (struct ls_expr): Add load/store expressions structure.
3934 (modify_mem_list, canon_modify_mem_list): New variable.
3935 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3936 load motion and store motion if requested.
3937 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3938 (free_gcse_mem): Free the modify_mem_list array.
3939 (oprs_unchanged_p): Use load_killed_in_block_p.
3940 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3941 (mems_conflict_for_gcse_p): New function. Don't kill loads
3942 with stores to themselves if its in the load/store expression list.
3943 (load_killed_in_block_p): New function.
3944 (canon_list_insert): New Function.
3945 (record_last_mem_set_info): Keep a list of all instructions which
3946 can modify memory for each basic block.
3947 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3948 (oprs_not_set_p): Use load_killed_in_block_p.
3949 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3950 (expr_killed_p): Use load_killed_in_block_p.
3951 (compute_transp): Do not pessimize memory references.
3952 (pre_edge_insert): Update stores for a load motion expression.
3953 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3954 (ldst_entry): Find or create a ldst_expr structure.
3955 (free_ldst_entry): Free memory for an individual item.
3956 (free_ldst_mems): Free entire load/store expression list.
3957 (print_ldst_list): Print debug info.
3958 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3959 (enumerate_ldsts): Assign integer values to each entry in list.
3960 (first_ls_expr): First expression in the list.
3961 (next_ls_expr): Next expression in the list.
3962 (simple_mem): Check if expression qualifies for ld/st expression list.
3963 (invalidate_any_buried_refs): Remove from expression list if its
3964 used in some other way we dont understand.
3965 (compute_ld_motion_mems): Find all potential enhanced load motion
3967 (trim_ld_motion_mems): Remove any expressions which are invalid.
3968 (update_ld_motion_stores): Copy store values to registers for loads
3969 which have been moved.
3970 (regvec, st_antloc, num_store): New global statics.
3971 (reg_set_info): Marks registers as set.
3972 (store_ops_ok): Verfies registers expressions are valid in a block.
3973 (find_moveable_store): Look for moveable stores in a pattern.
3974 (compute_store_table): Find stores in a function worth moving, maybe.
3975 (load_kills_store): Check dependance of a load and store.
3976 (find_loads): Find any loads in a pattern.
3977 (store_killed_in_insn): Check if a store is killed in an insn.
3978 (store_killed_after): Check is store killed after an insn in a block.
3979 (store_killed_before): Check is store killed before an insn in a block.
3980 (build_store_vectors): Generate the antic and avail vectors.
3981 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3982 (insert_store): Add a store to an edge.
3983 (replace_store_insn): Replace a store with a SET insn.
3984 (delete_store): Delete a store insn.
3985 (free_store_memory): Free memory.
3986 (store_motion): Perform store motion.
3987 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3988 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3989 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3990 (f_options): Add gcse-lm and gcse-sm.
3992 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3994 * i386.c (expand_fp_movcc): Fix condition reversal code.
3996 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3997 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3998 (CLASS_MAX_NREGS): Use it.
4000 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4001 handle properly complex values.
4002 (CLASS_MAX_NREGS): Likewise; update comment.
4004 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4006 * ia64.c (ia64_flag_schedule_insns2): New variable.
4007 (ia64_override_options): Initialize it. Clear
4008 flag_schedule_insns_after_reload.
4009 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4011 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4013 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4014 Do not require source to match destination anymore;
4015 Add abort to the nontrivial cases that should be handled by split.
4016 (fix_trunc?fdi): Add SSE case for x86_64.
4017 (floatdi?f): Likewise.
4018 (floatdi?f_sse): New.
4019 (fix_trunc?fdi_sse): New.
4021 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4023 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4024 (DEBUG_ARANGES_END_LABEL): Ditto.
4025 (dwarfout_init): Generate length and version fields at the start
4026 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4027 after the length field.
4028 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4029 the .debug_aranges info.
4031 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4033 * i386.c (call, call_value): Make sure that resulting call_insn
4034 does have proper second operand.
4036 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4038 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4039 function. Remove include of sys/cygwin.h.
4041 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4043 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4044 (CPP_SPEC): Always search */include/w32api for header files.
4045 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4046 (LINK_SPEC): Add "cyg" to the library search prefixes.
4048 2001-04-08 Philip Blundell <philb@gnu.org>
4050 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4052 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4054 * cpperror.c (print_location): Don't special case <stdin>.
4055 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4056 WARNING, but we don't check if we're in system headers.
4057 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4058 * cpplib.c (do_warning): Warn in system headers.
4060 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4062 * mbchar.c: Include config.h first.
4064 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4066 * config.gcc: Set default for xmake_file at top, not bottom.
4067 Change places that set xmake_file to "none" to set to the
4068 empty string instead, or remove them entirely if there is no
4069 default xmake_file for this cpu_type. Remove references to
4072 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4073 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4074 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4075 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4076 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4077 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4078 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4079 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4080 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4081 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4084 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4085 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4086 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4087 config/mips/x-sysv, config/rs6000/x-aix31:
4088 Just set CLIB to -lld or -lmld, as appropriate.
4090 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4091 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4092 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4093 config/mips/x-iris, config/pa/x-pa:
4094 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4095 OTHER_FIXINCLUDES_DIRS.
4097 * config/i386/x-djgpp: Don't set LN or LN_S.
4098 * config/m88k/x-dolph: Don't define __m88k__.
4099 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4100 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4101 * config/i860/fx2800.h: No need to #undef SVR4.
4103 38 x-host fragments remain, 2 x-cpu.
4105 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4107 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4109 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4111 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4113 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4115 * configure.in: Add check for lstat.
4116 * configure, config.in: Regenerate.
4117 * cppinit.c (append_include_chain): Make empty path ".".
4118 * cpplib.c (do_line): Don't simplify #line paths.
4119 * cppfiles.c (remove_component_p): New function.
4120 (find_or_create_entry): Acknowledge stat () errors during
4121 path simplification.
4122 (handle_missing_header): Don't simplify paths.
4123 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4124 the empty path untouched. Don't leave a trailing '/'.
4126 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4128 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4129 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4131 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4133 * cppfiles.c (open_file): Fail directories silently, but
4134 with an errno of NOENT set.
4135 (read_include_file): Move the common exit code to the sole
4136 caller. Return an int indicating success or failure. Let
4137 open_file handle directories.
4138 (stack_include_file): If read_include_file fails,
4139 push a "null" buffer.
4141 2001-04-05 DJ Delorie <dj@redhat.com>
4143 * function.h (virtuals_instantiated): Declare.
4144 * function.c: (virtuals_instantiated): Make global.
4145 * calls.c (emit_library_call_value_1): Use
4146 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4147 Otherwise, use the stack pointer directly.
4149 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4151 * i386.c (x86_initialize_trampoline): New global function.
4152 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4153 (INITIALIZE_TRAMPOLINE): Move offline.
4154 * i386-protos.h (x86_initialize_trampoline): Declare.
4156 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4158 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4159 (lea_0): Rename to lea_1.
4160 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4161 (lea_general_?): Allow SImodes on TARGET_64BIT
4162 (lea_general_?_zext): New patterns.
4163 (call_1, call_1_rex64): Fix.
4165 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4167 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4169 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4171 * i386.c (function_arg): Return constm1_rtx for last argument.
4172 (ix86_expand_prologue): Update gen_call calls.
4173 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4174 * i386.md (call_pop): Likewise.
4175 (call): Second operand is VOIDmode.
4176 (call_0): Likewise; Support 64bits.
4177 (call_exp): New expander.
4178 (call_1): Get to the sync.
4179 (call_1_exp): New pattern.
4180 (call_value): Support 64bit.
4181 (call_value_exp): New pattern.
4182 (untyped_call): Update gen_call call.
4183 (call_value_pop): Disable for 64bit.
4184 (call_value_0_rex64): New pattern.
4185 (call_value_1_rex64): Likewise.
4187 2001-04-05 Bo Thorsen <bo@suse.de>
4189 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4191 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4193 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4194 satisfies ANY_QI_REG_P.
4196 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4198 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4201 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4204 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4206 * config.gcc: Remove default for xm_file. Clean up local
4207 machine type handling. Remove settings of xm_file to
4208 something that doesn't exist. In the big switch, set xm_file,
4209 don't append to it (the value before the big switch is always
4210 null). Don't force build_xm_file or host_xm_file to have a value.
4211 * configure.in: Remove default for xm_file. Do not special
4212 case $cpu/xm-$cpu.h not existing.
4213 * configure: Regenerate.
4215 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4217 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4218 when folding integer division and modulo operations.
4220 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4222 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4223 instead of DWARF2_ADDR_SIZE for EH addresses.
4224 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4227 2001-04-04 Richard Henderson <rth@redhat.com>
4229 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4230 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4231 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4233 2001-04-04 Richard Henderson <rth@redhat.com>
4235 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4236 * configure: Rebuilt.
4238 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4240 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4241 push insns to delete to it instead of deleting them.
4242 (delete_null_pointer_checks): Delete insns from delete_list after
4243 all delete_null_pointer_checks_1 passes are done.
4245 2001-04-04 Richard Henderson <rth@redhat.com>
4247 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4248 * configure: Rebuilt.
4250 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4252 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4253 * config/romp/xm-romp.h: Delete.
4255 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4257 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4260 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4262 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4263 all labels present in rtx.
4264 (try_split) Call new function for all split insns.
4266 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4268 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4269 sure the change won't be validated.
4271 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4273 * rtl.h (set_noop_p): Declare.
4274 * flow.c (set_noop_p): Move from here ...
4275 * rtlanal.c (set_noop_p): ... to here and enhance.
4276 * cse.c (delete_trivially_dead_insns): Use it.
4277 * gcse.c (hash_scan_set): Likewise.
4278 * jump.c (delete_noop_moves): Likewise.
4279 * recog.c (split_all_insns): Likewise.
4281 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4283 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4284 stack pointer via a LO_SUM. Ditto for setting a temp register
4285 used to save to the stack. Set cfa_temp when setting fp, and
4286 allow matches to cfa_temp in addition to cfa_store when saving
4287 regs. Handle POST_INC and LO_SUM register stores. Document the
4288 changes and errors in rule 12 doco.
4290 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4291 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4292 (load_reg): Move closer to epilogue code.
4293 (DO_FRAME_NOTES): Define to control the following..
4294 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4295 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4297 (hppa_expand_epilogue): Likewise.
4299 2001-04-03 Richard Henderson <rth@redhat.com>
4301 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4302 * configure: Rebuild.
4304 2001-04-03 Richard Henderson <rth@redhat.com>
4306 * rtl.h (LCT_THROW): New.
4307 * calls.c (emit_library_call_value_1): Handle it.
4308 * except.c (connect_post_landing_pads): Use it.
4310 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4312 * gansidecl.h: Delete file.
4313 * configure.in: Change all refs to gansidecl.h to use
4314 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4316 * configure: Regenerate.
4318 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4319 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4320 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4321 Don't include gansidecl.h.
4322 * intl.c, main.c, version.c, fixinc/fixlib.h,
4323 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4326 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4328 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4331 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4333 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4334 config/i386/xm-next.h, config/i386/xm-sco.h,
4335 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4336 config/m88k/xm-m88k.h: Delete.
4338 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4339 * config/romp/xm-romp.h: Don't define bcopy.
4340 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4341 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4343 * config.gcc: Remove references to deleted files.
4345 14 xm-host.h remain, 1 xm-cpu.h.
4347 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4348 David S. Miller <davem@pierdol.cobaltmicro.com>
4349 Andrew MacLeod <amacleod@redhat.com>
4351 Use byte offsets in SUBREGs instead of words.
4353 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4354 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4355 to pass new argument.
4356 (add_stored_regs): Use subreg_regno_offset function.
4357 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4359 (precompute_arguments): Use gen_lowpart_SUBREG.
4360 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4361 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4362 (simplify_set): Rework to use SUBREG_BYTE.
4363 (expand_field_assignment): Use SUBREG_BYTE.
4364 (make_extraction): Use SUBREG_BYTE.
4365 (if_then_else_cond): Use SUBREG_BYTE.
4366 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4367 (gen_lowpart_for_combine): Compute full byte offset.
4368 * cse.c (mention_regs): Use SUBREG_BYTE.
4369 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4370 (canon_hash): Use SUBREG_BYTE.
4371 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4372 (gen_lowpart_if_possible): Formatting.
4373 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4375 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4376 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4377 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4378 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4379 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4380 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4381 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4382 certain invariants about SUBREGs the compiler creates.
4383 (gen_lowpart_SUBREG): New function.
4384 (subreg_hard_regno): New function to get the final register number.
4385 (gen_lowpart_common): Use SUBREG_BYTE.
4386 (gen_imagpart): Spacing nits.
4387 (subreg_realpart_p): Use SUBREG_BYTE.
4388 (gen_highpart): Use SUBREG_BYTE.
4389 (subreg_lowpart_p): Always compute endian corrected goal offset,
4390 even at the byte level, then compare against that.
4391 (constant_subword): New function, pulled out all constant cases
4392 from operand_subword and changed second argument name to offset.
4393 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4394 and call constant_subword to do the work. Return const0_rtx if
4395 looking for a word outside of OP.
4396 (operand_subword_force): Change second arg name to offset.
4397 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4398 (store_split_bit_field): Use SUBREG_BYTE.
4399 (extract_bit_field): Use SUBREG_BYTE.
4400 (extract_split_bit_field): Use SUBREG_BYTE.
4401 (expand_shift): Use SUBREG_BYTE.
4402 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4403 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4404 * flow.c (set_noop_p): Use SUBREG_BYTE.
4405 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4406 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4407 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4409 (optimize_bit_field): Use SUBREG_BYTE.
4410 (purge_addressof_1): Use SUBREG_BYTE.
4411 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4412 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4413 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4414 * gengenrtl.c (special_rtx): Add SUBREG.
4415 * global.c (mark_reg_store): Use SUBREG_BYTE.
4416 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4417 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4418 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4419 final byte offset is congruent to subreg's mode size.
4420 (subst_constants): Use SUBREG_BYTE.
4421 (mark_stores): Use subreg_regno_offset function.
4422 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4423 function and SUBREG_BYTE.
4424 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4425 (reg_is_born): Use subreg_hard_regno.
4426 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4427 endian correction code. Don't combine subregs unless resulting
4428 offset aligns with type. Fix subreg constant extraction for DImode.
4429 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4430 (general_operand): Remove dead mode_altering_drug code.
4431 (indirect_operand): Use SUBREG_BYTE.
4432 (constrain_operands): Use subreg_regno_offset function.
4433 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4434 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4435 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4436 * regs.h (REG_SIZE): Allow target to override.
4437 (REGMODE_NATURAL_SIZE): New macro which target can override.
4438 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4439 on the entire subreg rtx.
4440 (push_reload): Use SUBREG_BYTE in comments and code.
4441 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4442 for hard registers inside subregs.
4443 (operands_match_p): Use subreg_regno_offset.
4444 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4445 containing hard regs.
4446 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4447 corrections when fixing up MEM subregs.
4448 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4449 subreg_regno_offset where appropriate.
4450 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4451 byte endian corrections when fixing up MEM subregs.
4452 (subst_reloads): When combining two subregs, make sure final
4453 offset is congruent to subreg's mode size.
4454 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4455 (refers_to_regno_for_reload_p): Use subreg_regno.
4456 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4457 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4458 correction code for memory subreg fixups.
4459 (forget_old_reload_1): Use subreg_regno_offset.
4460 (choose_reload_regs): Use subreg_regno.
4461 (emit_input_reload_insns): Use SUBREG_BYTE.
4462 (reload_combine_note_store): Use subreg_regno_offset.
4463 (move2add_note_store): Use subreg_regno_offset.
4464 * resource.c (update_live_status, mark_referenced_resources): Use
4465 subreg_regno function.
4466 (mark_set_resources): Use subreg_regno function.
4467 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4468 (subreg_regno_offset, subreg_regno): Define prototypes.
4469 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4470 (gen_lowpart_SUBREG): Add prototype.
4471 * rtl.texi (subreg): Update to reflect new byte offset representation.
4472 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4473 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4474 (reg_overlap_mentioned_p): Use subreg_regno.
4475 (replace_regs); Make sure final offset of combined subreg is
4476 congruent to size of subreg's mode.
4477 (subreg_regno_offset): New function.
4478 (subreg_regno): New function.
4479 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4480 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4481 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4482 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4483 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4484 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4485 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4486 (print_operand): Use SUBREG_BYTE.
4487 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4488 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4489 (arm_reload_out_hi): Use SUBREG_BYTE.
4490 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4491 instead of SUBREG_WORD.
4492 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4493 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4494 SUBREG creation to use byte offset.
4495 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4496 inverted load insns): Fix explicit rtl subregs to use byte
4498 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4499 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4500 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4501 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4502 to use byte offsets.
4503 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4504 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4505 offsets, also make sure it is congruent to SUBREG's mode size.
4506 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4507 unnamed ldob insn): Generate SUBREGs with byte offset.
4508 (zero_extendqihi2): SUBREG's are byte offsets.
4509 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4510 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4511 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4512 zero-extendqisi2): Generate SUBREGs with byte offset.
4513 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4514 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4515 subregs in rtl to use byte offsets.
4516 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4517 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4518 (mips_move_2words): Use subreg_regno_offset.
4519 (mips_secondary_reload_class): Use subreg_regno_offset.
4520 * config/mips/mips.md (DImode plus, minus, move, and logical op
4521 splits): Fixup explicit subregs in rtl to use byte offsets.
4522 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4523 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4524 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4525 rtl to use byte offsets.
4526 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4527 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4528 subregs to use byte offsets.
4529 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4530 Fixup explicit subregs in rtl to use byte offsets.
4531 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4532 and remove byte endian correction code.
4533 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4534 (gen_ashift_hi): Use SUBREG_BYTE.
4535 (regs_used): Use subreg_regno_offset.
4536 (machine_dependent_reorg): Use subreg_regno_offset.
4537 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4538 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4539 (movdf_i4): Subregs are byte offsets now.
4540 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4541 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4542 (REGMODE_NATURAL_SIZE): Override.
4543 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4544 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4546 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4547 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4548 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4549 it is congruent to SUBREG's mode size.
4550 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4552 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4553 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4554 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4555 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4556 * config/v850/v850.c (print_operand, output_move_double): Use
4557 subreg_regno function.
4559 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4561 * configure.in (target_subdir): Use target_alias, not target.
4562 * configure: Rebuilt.
4564 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4566 * config/sh/crti.asm: Fix typos in comments.
4568 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4570 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4571 TARGET_FAST_INDIRECT_CALLS.
4572 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4574 (return_addr_rtx): Short circuit export stub matching when
4575 TARGET_NO_SPACE_REGS.
4576 (output_millicode_call): For out of range calls, make -fPIC
4577 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4578 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4579 * pa.md: Modify length attr calculation of all millicode insns to
4582 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4584 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4585 Require at least 2.11 in the version test. Specifically check
4586 for and reject GAS version 2.10.90.
4587 * configure: regenerate.
4589 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4591 * pa.c (override_options): Remove PIC profiling warning.
4592 (hp_profile_labelno): Delete.
4593 (hp_profile_label_rtx): Delete.
4594 (hp_profile_label_name): Delete.
4595 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4596 (output_function_prologue): Remove profiling code and all tests on
4597 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4598 merge_sp_adjust_with_store can work for PIC and profiling.
4599 (hppa_expand_epilogue): Remove profile_flag test.
4600 (hppa_can_use_return_insn_p): Likewise.
4601 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4602 cater for PROFILE_HOOK.
4603 (hppa_profile_hook): New function.
4604 * pa.h (FUNCTION_PROFILER): Now does nothing.
4605 (PROFILE_HOOK): Define.
4606 (hppa_profile_hook): Declare.
4607 (PROFILE_BEFORE_PROLOGUE): Delete.
4608 (ASM_OUTPUT_REG_PUSH): Delete.
4609 (ASM_OUTPUT_REG_POP): Delete.
4610 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4611 r24. Accept function name operand, and use this and a locally
4612 generated label to calculate pc-rel offset to func start.
4614 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4616 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4617 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4620 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4622 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4623 LO_SUM cases to where they belong.
4625 2001-04-02 Richard Henderson <rth@redhat.com>
4627 * except.h (lang_eh_type_covers): Mark extern.
4628 (lang_eh_runtime_type): Likewise.
4630 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4632 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4633 gengenrtl.c: Wrap generated header in multiple-include guard.
4634 Improve error checking.
4636 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * configure.in: Don't check for putenv.
4639 * configure: Regenerate.
4640 * gcc.c (putenv): Don't define.
4641 * vax/xm-vms.h: Handle putenv.
4643 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4645 * ifcvt.c (noce_emit_move_insn): New.
4646 (noce_try_store_flag, noce_try_store_flag_constants,
4647 noce_try_store_flag_inc, noce_try_store_flag_mask,
4648 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4649 noce_try_abs): Use it.
4650 (noce_process_if_block): Likewise.
4651 For STRICT_LOW_PART, take mode from its SUBREG.
4653 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4655 * fold-const.c (fold): Before optimizing unsigned comparison with
4656 0x7fffffffU, make sure arg0 is integral type.
4658 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4660 * c-tree.texi: Document representation of wide strings.
4662 2001-04-01 Richard Henderson <rth@redhat.com>
4664 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4666 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4668 * i386.md: remove obsoleted comments.
4669 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4670 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4671 fix output template.
4673 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4675 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4677 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4679 * loop.c (load_mems): When generating a load from a pseudo, update
4682 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4684 * i386.c (ix86_split_long_move): Use change address to compensate
4685 stack pointer change in push instruction.
4687 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4689 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4690 instead of rtx_equal_p; fix the output template.
4692 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4694 * i386.c (ix86_expand_setcc): Support 64bit.
4695 (ix86_expand_int_movcc): Likewise.
4696 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4699 * i386.md (allocate_stack_worker): Turn to expander.
4700 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4702 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4704 2001-03-29 Richard Henderson <rth@redhat.com>
4706 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4708 2001-03-28 Matthew Hiller <hiller@redhat.com>
4710 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4713 * MAINTAINERS: Added self.
4715 2001-03-28 Richard Henderson <rth@redhat.com>
4717 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4718 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4720 2001-03-28 Jim Wilson <wilson@redhat.com>
4722 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4725 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4729 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4732 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4734 2001-03-28 DJ Delorie <dj@redhat.com>
4736 * Makefile.in (stage1_build): Revert CFLAGS patch.
4738 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4740 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4741 when multiplier or multiplicand is zero.
4743 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4745 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4747 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4749 (set_src_needs_barrier): Likewise.
4750 (rtx_needs_barrier): For SET case, use these two functions. Rework
4751 PARALLEL case to handle all inputs before all outputs.
4752 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4753 saw a label and no stop bit since then.
4754 (maybe_rotate, process_epilogue): Add prototypes.
4756 2001-03-28 Richard Henderson <rth@redhat.com>
4758 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4759 not TARGET_TOC for special toc restore handling.
4760 * config/rs6000/rs6000.md (eh_return): Likewise.
4762 2001-03-28 Richard Henderson <rth@redhat.com>
4764 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4765 current_function_calls_eh_return.
4766 (output_function_epilogue): Handle eh_return.
4767 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4768 (EH_RETURN_DATA_REGNO): New.
4769 (EH_RETURN_STACKADJ_RTX): New.
4770 (EH_RETURN_HANDLER_RTX): New.
4771 * config/sparc/sparc.md (call/short branch peepholes): Check
4772 can_throw_internal instead of in_same_eh_region.
4774 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4775 for eh_return data registers.
4776 (rs6000_emit_prologue): Save eh_return data registers.
4777 (rs6000_emit_epilogue): Force inline restores if eh_return.
4778 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4779 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4780 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4781 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4782 the target uses one.
4783 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4784 (return_eh_si, return_eh_di): Remove.
4785 (eh_return): New, from corpse of eh_epilogue.
4786 (eh_set_lr_si, eh_set_lr_di): New.
4788 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4789 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4790 True for pic register if current_function_calls_eh_return.
4791 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4792 Handle eh_return requirements.
4793 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4794 (EH_RETURN_STACKADJ_RTX): New.
4795 * config/i386/i386.md (exception_receiver): Remove.
4796 (eh_return, eh_return_1): New.
4797 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4799 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4800 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4801 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4802 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4803 (EH_RETURN_DATA_REGNO): New.
4804 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4805 * config/alpha/alpha.md (eh_epilogue): Remove.
4806 (exception_receiver): Use $26 for ldgp input.
4807 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4809 2001-03-28 Richard Henderson <rth@redhat.com>
4811 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4812 * except.h: Likewise.
4814 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4815 (LIB2ADDEHDEP): New.
4816 (LIB2FUNCS_EH): Remove.
4817 (LIB2ADD): Remove LIB2ADDEH.
4818 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4819 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4820 (crt{begin,end}[S].o): Likewise.
4821 (except.o): Update includes.
4822 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4823 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4825 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4826 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4827 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4828 * builtins.c (expand_builtin): Implement it.
4829 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4830 * c-common.c (c_common_nodes_and_builtins): Declare it.
4831 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4832 * calls.c (libfunc_nothrow): Remove.
4833 (emit_library_call_value_1): Don't call it.
4834 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4835 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4836 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4837 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4838 (current_funcdef_number): Globalize.
4839 (output_call_frame_info): Emit frame data if an lsda is needed.
4840 Generate augmentation for personality routine. Don't play with
4842 (dwarf2out_begin_prologue): Record funcdef_number.
4843 * dwarf2out.h (current_funcdef_number): Declare.
4844 * expr.c (expand_expr): Update for except.h name changes.
4845 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4846 * expr.h (LTI_throw, LTI_rethrow): Remove.
4847 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4848 (LTI_eh_rtime_match): Remove.
4849 (LTI_unwind_resume, LTI_eh_personality): Add.
4850 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4851 * final.c (final): Don't call check_exception_handler_labels,
4852 init_insn_eh_region, or free_insn_eh_region.
4853 (final_scan_insn): Always emit debug labels for
4854 NOTE_INSN_EH_REGION notes.
4855 * flags.h (flag_new_exceptions): Remove.
4856 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4857 (record_active_eh_regions): Remove.
4858 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4859 Use can_throw_internal.
4860 (find_basic_blocks_1): Likewise.
4861 (move_stray_eh_region_notes): Remove.
4862 (find_label_refs): No eh_return_stub_label.
4863 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4864 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4866 (delete_unreachable_blocks): Don't track deleted handlers.
4867 (flow_delete_block): Use maybe_remove_eh_handler.
4868 (delete_eh_regions): Remove.
4869 (merge_blocks): Don't check for eh region match.
4870 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4871 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4872 (init_propagate_block_info): Disable dead frame store optimization
4873 when current_function_calls_eh_return.
4874 (dump_bb): Don't print eh_beg, eh_end.
4875 * function.c (fixup_var_refs): No catch_clauses.
4876 (expand_function_end): Likewise. Call expand_eh_return before
4877 the return register use. Call sjlj_emit_function_exit_after.
4878 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4879 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4880 * ifcvt.c (dead_or_predicable): Remove eh region check.
4881 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4882 Don't check for EH vs parameters.
4883 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4884 (expand_inline_function): Call duplicate_eh_regions.
4885 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4886 (copy_insn_notes): Remap REG_EH_REGION notes.
4887 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4888 * integrate.h (struct inline_remap): Add local_return_label.
4889 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4890 check_exception_handler_labels, nor exception_optimize.
4891 (find_cross_jump): No EH region check.
4892 * optabs.c (init_optabs): Update for changed eh libfuncs.
4893 * rtl.def (RESX): New.
4894 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4895 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4896 checks. Update for except.h name changes.
4897 (expand_cleanups): Likewise.
4898 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4899 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4900 (compile_file): Call init_eh before init_optabs. Don't
4901 output_exception_table here.
4902 (rest_of_compilation): Call convert_from_eh_region_ranges,
4903 convert_to_eh_region_ranges, output_function_exception_table.
4904 Don't emit_eh_context.
4905 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4906 (EXC_PTR_EXPR): New.
4908 * md.texi (eh_epilogue): Remove.
4909 (eh_return): Document.
4910 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4911 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4913 * eh-common.h: Remove file.
4914 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4915 * libgcc2.c (L_eh): Remove.
4917 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4918 * unwind-dw2-fde.h: New file.
4919 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4920 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4921 * libgcc-std.ver: Update for eh symbols.
4923 2001-03-27 Richard Henderson <rth@redhat.com>
4925 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4926 reduce false positives.
4927 (regmove_optimize): Disable if flag_non_call_exceptions.
4929 * stmt.c (expand_return): Remove always true predicate.
4930 (expand_decl_cleanup_no_eh): Remove dead code.
4932 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4933 barrier code. Add a scheduling barrier if a non-call insn
4934 can throw internally.
4936 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4937 Auto-inc addresses trap only if their base register does.
4939 * except.c (can_throw_internal): Rename from can_throw.
4940 * except.h, resource.c: Update references.
4942 * integrate.c (copy_insn_list): Use returnjump_p.
4943 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4945 * function.h (struct function): Move all boolean valued fields
4946 to single bit fields at the end of the struct.
4948 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4950 Rename asynchronous_exceptions to flag_non_call_exceptions.
4952 * gthr-single.h (UNUSED): New. Distinguish between how C
4953 and C++ mark unused function arguments. Use throughout.
4955 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4956 value to target configuration header.
4957 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4958 * config.in, configure: Rebuild.
4959 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4960 configuration and target defines.
4961 (exceptions_via_longjmp): Remove.
4962 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4963 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4965 * except.h (flag_non_call_exceptions): Move ...
4966 * flags.h: ... here.
4968 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4969 exceptions, put the note on the trapping instruction.
4971 * flags.h (flag_new_exceptions): Remove.
4972 * toplev.c: Don't set it.
4973 * final.c: Don't check it.
4974 * except.c: Provide stub definition.
4976 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4977 (calculate_global_regs_live): Kill call-clobbered registers
4978 across exception edges.
4979 * reg-stack.c (convert_regs_1): Kill the entire target stack
4980 across non-call exception edges.
4982 * flow.c (cleanup_cfg): Take no argument.
4983 * output.h, sibcall.c, toplev.c: Update all calls.
4985 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4987 * configure.in: Don't check for bcopy.
4988 * configure, config.in: Regenerate.
4990 * system.h: Don't define or prototype bcopy, instead poison it.
4992 2001-03-27 Richard Henderson <rth@redhat.com>
4994 * function.c (expand_function_start): Set DECL_REGISTER on
4995 a pseudo used for DECL_RESULT.
4997 * rtl.h (LCT_NORETURN): New.
4998 * calls.c (emit_library_call_value_1): Handle it.
5000 2001-03-27 Stan Shebs <shebs@apple.com>
5002 * objc/objc-act.c (objc_init): Use dump_base_name.
5003 (gen_declaration): Clear the buffer arg.
5004 (gen_declaration_1): New function, body of gen_declaration.
5005 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5006 (gen_method_decl): Ditto, plus always clear buffer arg.
5007 (error_with_ivar): Simplify.
5008 (warn_with_method): Ditto.
5009 (build_message_expr): Don't clear buffers.
5010 (dump_interface): Ditto.
5011 (objc_debug): Ditto.
5012 (build_keyword_selector): Clear the buffer by only zeroing
5014 (objc_implementation_context): Declare.
5015 (start_class): Warn about missing @end.
5016 (finish_objc): Ditto.
5018 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5020 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5022 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5024 * Makefile.in (SYSTEM_H): Define.
5025 Depend on $(SYSTEM_H), not system.h.
5027 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5029 2001-03-27 Jim Wilson <wilson@redhat.com>
5031 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5033 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5034 (process_epilogue): New static function.
5035 (process_set): Call process_epilogue instead of emitting .restore
5037 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5039 * flow.c (struct reg_cond_life_info): New fields orig_condition
5041 (init_propagate_block_info): Set new fields.
5042 (mark_regno_cond_dead): Set and use new fields.
5043 (flush_reg_cond_reg_1): Likewise.
5044 (and_reg_cond, case AND): Check for redundant AND conditions.
5045 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5048 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5050 * cppmacro.c (stringify_arg): Null terminate strings.
5052 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5054 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5055 inclusion style. xm-m68hc11.h no longer exists.
5056 * config/m68hc11/xm-m68hc11.h: Delete file.
5057 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5059 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5060 Don't define GCC_VERSION, N_, or PARAMS; don't include
5061 gansidecl.h or stdio.h. Define inhibit_libc here.
5062 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5063 Delete code conditioned on #if GCC_VERSION == 2095.
5065 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5066 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5067 Delete code conditioned on #if GCC_VERSION == 2095.
5069 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5071 * system.h: Include symcat.h.
5072 (STRINGIFY): Don't define.
5074 * configure.in: Adjust comment.
5076 * builtins.c: Use STRINGX, not STRINGIFY.
5077 * gencheck.c: Likewise.
5078 * gengenrtl.c: Likewise.
5079 * protoize.c: Likewise.
5081 * cpplex.c: Don't include symcat.h.
5082 * cpplib.c: Likewise.
5084 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5086 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5088 * c-typeck.c (digest_init): Fold init expression.
5090 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5092 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5094 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5096 * except.c (eh_regs): Save results of build_pointer_type to a temp
5097 as FUNCTION_VALUE macro may evaluate its args multiple times.
5099 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5101 * c-common.h (DECL_NUM_STMTS): New macro.
5102 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5104 (pushdecl): Likewise.
5105 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5106 * integrate.c (expand_inline_function): Don't check
5108 * print-tree.c (print_node): Don't print it.
5109 * toplev.c (rest_of_compilation): Don't try to inline when
5110 flag_no_inline is on.
5111 * tree.h (DECL_FRAME_SIZE): Remove.
5112 (tree_decl): Adjust accordingly.
5114 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5116 * combine.c (try_combine): Use memcpy, not bcopy.
5118 * genattrtab.c (expand_units): Likewise.
5120 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5122 * i386.md (push mem DI peep2): New.
5123 (mov 0, mov -1 peep2): Handle 64bit.
5124 (lea to arithmetics peep2): Handle 64bit leas.
5125 (rsp arithmetics to push/pop peep2s): New.
5127 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5129 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5131 * i386.c (struct machine_function): Add save_varrargs_registers.
5132 (ix86_save_varrargs_registers): New macro.
5133 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5134 (ix86_expand_prologue): Likewise.
5135 (ix86_emit_epilogue_esp_adjustement): Likewise.
5136 (ix86_expand_epilogue): Likewise.
5137 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5138 (pro_epilogue_adjust_stack_1): New insn.
5139 (pro_epilogue_adjust_stack_rex64): Likewise.
5140 * i386.h (MASK_NO_RED_ZONE): New constant.
5141 (TARGET_RED_ZONE): New macro.
5142 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5143 (RED_ZONE_SIZE): New constant.
5144 (RED_ZONE_RESERVE): New constant.
5146 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5148 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5150 2001-03-25 Kazu Hirata <kazu@hxi.com>
5152 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5155 (umodhi3): Likewise.
5158 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5160 * mkconfig.sh (DEFINES): Handle entries with '='.
5162 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5163 Set xm_defines to MACRO=value instead.
5165 * i370/xm-mvs.h: Delete.
5167 * ns32k/xm-pc532-min.h: Likewise.
5169 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5171 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5173 use ix86_expand_binary_operator
5174 (?sh??i_?): Disable for 64bit.
5175 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5176 * i386.c (shiftdi_operand): New predicate.
5178 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5179 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5180 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5181 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5182 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5183 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5184 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5185 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5186 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5187 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5188 (rotldi3, rotrdi3): New expanders.
5190 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5192 * i386.md (movstrsi): Move offline.
5194 (strmovdi_rex64): New.
5195 (strmov?i): Accept 64bit.
5196 (strmov?i_rex64): New.
5197 (strmov?i_rex_1): New.
5198 (strmov?i_1): Disable for 64bit.
5199 (rep_mov?i_rex64): New.
5200 (rep_mov?i): Disable for 64bit.
5201 (clrstrsi): Move offline.
5202 (strset?i_rex64): New.
5203 (strset?i: Accept 64bit.
5204 (rep_stos?i): Disable for 64bit.
5205 (rep_stos?i_rex64): New.
5206 (strset?i_rex_1): New.
5207 (strset?i_1): Disable for 64bit.
5208 (cmpstrsi): Accept 64bit.
5209 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5210 (cmpstrqi_nz_rex_1): New.
5211 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5212 (strlensi): Move offline.
5214 (strlenqi_1): Disable for 64bit; fix constraints.
5215 (strlenqi_rex_1): New.
5216 * i386.c (ix86_adjust_counter): New static function.
5217 (ix86_zero_extend_to_Pmode): Likewise.
5218 (ix86_expand_aligntest): Likweise.
5219 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5220 (ix86_expand_movstr): New global function.
5221 (ix86_expand_clrstr): New global function.
5222 (ix86_expand_strlen): New global function.
5223 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5224 ix86_expand_strlen): Declare.
5225 (ix86_expand_strlensi_unroll_1): Delete.
5227 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5229 * i386.md (cmpdi): Fix operand predicates.
5230 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5231 cmpdi_1_insn_rex64): New patterns.
5232 (adddi3): Turn to expander.
5233 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5234 (addsi3_carry_zext): New pattern.
5235 (adddi_?_rex64): New patterns and splitters.
5236 (addsi_?_zext): New patterns.
5237 (subsi3_carry_zext): New pattern.
5238 (subdi_?_rex64): New patterns and splitters.
5239 (iorsi_?_zext): New patterns.
5240 (iordi_?_rex64): New patterns and splitters.
5241 (iorsi_?_zext): New patterns.
5242 (iorsi_?_zext_imm): New patterns.
5243 (xorsi_?_zext): New patterns.
5244 (xordi_?_rex64): New patterns and splitters.
5245 (xorsi_?_zext): New patterns.
5246 (negdi*): New patterns.
5247 (one_cmpldi*): Likewise.
5248 (one_cmplsi*_zext, negsi*_zext): Likewise.
5249 (testqi_ext_3_rex64): New pattern.
5251 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5253 * i386-protos.h (ix86_split_long_move): Return void.
5254 * i386.c (ix86_split_to_parts): Handle 64bit target.
5255 (ix86_split_long_move): Likewise.
5256 * i386.md (all calls to ix86_split_long_move): Update.
5258 2001-03-23 Richard Henderson <rth@redhat.com>
5260 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5261 to avoid shadowing arguments.
5263 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5265 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5266 to variable names where DECL_NAME is different from
5267 DECL_ASSEMBLER_NAME.
5269 2001-03-23 Jim Wilson <wilson@redhat.com>
5271 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5272 (assemble_alias): Call make_decl_rtl.
5274 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5276 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5278 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5280 * extend.texi: Document the "java_interface" attribute.
5282 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5284 * mkconfig.sh: Use a subshell with redirected stdout,
5285 instead of closing stdout and confusing commands that run
5286 afterward. Throw away output of cmp.
5288 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5290 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5292 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5294 * i386.md (zero_extendsidi2_32): Break out from ...
5295 (zero_extendsidi2): ... here ; turn to expander.
5296 (zero_extendsidi2_rex64): New.
5297 (extendsidi2_32): Break out from ...
5298 (extendsidi2): ... here ; turn to expander.
5299 (extendsidi2_rex64): New.
5300 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5301 (trunc?f?f splitters): Add 64bit versions.
5303 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5305 * i386.md (pushsi, pushsi2_prologue): Disable.
5306 (pushsi2_rex64): New.
5307 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5308 (movqi_ext_1): Disable for 64bit.
5309 (movqi_ext_1_rex64): New.
5310 (pushdi2_rex64): New pattern, peep2s and splitter.
5311 (pushdi2_prologue_rex64): New pattern.
5312 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5314 (movdi splitters): Disable for 64bit.
5315 (movdi_1_rex64): New pattern, peep2s and splitters.
5316 (swapdi): New pattern.
5317 (pushsf): Disable for 64bit.
5318 (pushsf_rex64): New pattern and splitter.
5319 (pushdf_nointeger): Disable for 64bit.
5320 (pushdf_integer): Handle the 64bit case.
5321 (pushtf): Likewise; update splitters.
5323 2001-03-22 Richard Henderson <rth@redhat.com>
5325 * mkconfig.sh: Include insn-flags.h.
5326 * Makefile.in (CONFIG_H): Include insn-flags.h.
5327 (lots of objects): Remove insn-codes.h and insn-flags.h.
5329 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5330 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5331 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5332 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5333 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5334 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5335 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5336 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5337 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5338 v850/v850.c, vax/vax.c:
5339 Don't include insn-flags.h.
5341 * diagnostic.c, expr.h, reload.c, toplev.c:
5342 Don't include insn-codes.h.
5344 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5345 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5346 c4x/c4x.c, i960/i960.c, mips/mips.c:
5347 Don't include insn-codes.h or insn-flags.h.
5349 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5350 or insn-flags.h in the generated code.
5351 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5352 (main): Forward declare struct rtx_def.
5354 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5356 * invoke.texi (-ffast-math): Remove duplicate line about
5359 * gcc.texi: Remove more obsolete documentation of bugs and
5360 installation problems.
5362 2001-03-21 Kazu Hirata <kazu@hxi.com>
5364 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5367 2001-03-20 Jason Merrill <jason@redhat.com>
5369 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5371 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5372 * varasm.c (CHKR_PREFIX): Likewise.
5374 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5376 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5377 is part of a multi-SET insn.
5379 * cse.c (find_comparison_args): Remove previous change.
5380 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5383 * config/i386/i386.md (conditional_trap): Remove warning.
5385 * recog.c (push_operand): Fix error in last change that caused
5386 undefined symbol on many targets.
5388 * sdbout.c: #include ggc.h.
5389 (sdbout_init): Move to end of file.
5390 Call ggc_add_tree_root for anonymous_types.
5391 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5392 (sdbout_one_type): Use DECL_NAME for field name.
5393 * Makefile.in (sdbout.o): Show includes ggc.h.
5395 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5397 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5398 (override_options): Use properlimits for preferred_stack_boundary.
5399 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5401 (ext_register_operand): Accept DImode.
5402 (load_pic_register): Abort on 64bit.
5403 (gen_push): Use Pmode instead of SImode.
5404 (ix86_save_reg): Pic reg is never used on 64bit.
5405 (ix86_expand_prologue): Likewise.
5406 (ix86_emit_save_regs): Use Pmode instead of SImode.
5407 (legitimate_address_p): Check displacement for 64bit.
5408 (print_operand): Avoid outputting of (%rip) on 64bit.
5409 (print_operand_address): Output (%rip) where possible.
5410 (split_di): Abort on 64bit registers.
5411 (ix86_expand_branch): DImode comparison is simple for x86_64.
5412 (memory_address_length): Recognize memory addresses formed using
5414 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5416 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5418 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5420 * recog.c (push_operand): Recognize new format of push instructions.
5422 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5424 * i386.md (pushqi1): New.
5425 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5426 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5427 x86_64_immediate_operand, x86_64_immediate_operand,
5428 x86_64_zext_immediate_operand): Declare.
5429 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5430 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5431 x86_64_immediate_operand, x86_64_immediate_operand,
5432 x86_64_zext_immediate_operand): define.
5433 * i386.h (PREDICATE_CODES): Add new predicates.
5435 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5437 * i386.md (pophi1, popqi1, pushqi1): Remove.
5439 * expr.c (emit_single_push_insn): New function.
5440 (move_by_pieces): Accept NULL as destination for push instructions.
5441 (gen_push_operand): Kill.
5442 (emit_push_insn): Pass NULL when pushing; avoid updating of
5443 stack_pointer_delta.
5444 * expr.h (gen_push_operand): Kill.
5446 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5448 * rtl.texi (COMPARE): Clarify documentation and reference section
5451 2001-03-20 Stan Shebs <shebs@apple.com>
5453 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5454 (get_object_reference): Ditto.
5455 (error_with_ivar): Use error_with_file_and_line.
5456 (warn_with_method): Use warning_with_file_and_line.
5458 2001-03-20 Tom Tromey <tromey@redhat.com>
5460 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5462 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5464 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5465 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5467 2001-03-20 DJ Delorie <dj@redhat.com>
5469 * Makefile.in (install-libgcc): Pass complete list of variables.
5470 (install-multilib): Ditto.
5472 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5474 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5475 drectve_section, switch_to_section.
5477 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5478 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5479 i386_pe_mark_dllimport.
5481 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5483 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5484 functions i386_pe_*.
5486 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5487 i386_pe_* functions with char * arguments.
5489 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5491 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5493 (movsi_ie): Introduce fpul store.
5495 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5497 * Makefile.in (OBJS): Remove hashtab.o.
5499 2001-03-19 Stan Shebs <shebs@apple.com>
5501 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5502 * c-lang.c (maybe_objc_method_name): Ditto.
5503 * c-tree.h (maybe_objc_method_name): Remove decl.
5505 2001-03-19 Tom Tromey <tromey@redhat.com>
5507 * gcc.c (init_gcc_specs): Fix comment.
5509 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5511 Compute DECL_ASSEMBLER_NAME lazily.
5512 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5513 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5514 (SET_DECL_ASSEMBLER_NAME): Likewise.
5515 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5516 (set_decl_assembler_name): Declare.
5517 (lang_set_decl_assembler_name): Likewise.
5518 * tree.c (lang_set_decl_assembler_name): New variab.e
5519 (set_decl_assembler_name): New function.
5520 (init_obstacks): Set lang_set_decl_assembler_name.
5521 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5522 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5523 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5524 where it's not necessary.
5525 (builtin_function): Likewise.
5526 (finish_decl): Likewise.
5527 * dbxout.c (dbxout_type_methods): Likewise.
5528 * ggc-common.c (ggc_mark_trees): Likewise.
5529 * profile.c (output_func_start_profiler): Likewise.
5530 * varasm.c (make_decl_rtl): Likewise.
5532 * cse.c (find_comparison_args): Update documentation. Fix
5533 mishandling of COMPARE operations.
5535 * tree.def (ABS_EXPR): Add documentation.
5536 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5538 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5540 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5542 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5544 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5545 Remove ia32 linux PIC kludge and move it...
5546 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5548 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5550 * i386.md (absdf2 expander): Fix 64bit case.
5552 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5554 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5556 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5558 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5560 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5562 * README.X11: Remove obsolete file.
5564 2001-03-18 Anthony Green <green@redhat.com>
5566 * config/pj/pj.h: Remove some trailing commas.
5567 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5569 2001-03-18 Richard Henderson <rth@redhat.com>
5571 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5572 * calls.c: ... here.
5573 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5574 defaults for them here.
5576 2001-03-17 Anthony Green <green@redhat.com>
5578 * config/pj/lib1funcs.S: Fix broken comment.
5579 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5582 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5584 * gcc.texi: Remove obsolete information relating to build and
5585 installation problems with enquire or the Pyramid C compiler.
5587 2001-03-17 Richard Henderson <rth@redhat.com>
5589 * dwarf2out.c (queue_reg_save): New.
5590 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5591 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5593 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5594 (cfa, cfa_store, cfa_temp): Make static.
5595 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5597 2001-03-17 Richard Henderson <rth@redhat.com>
5599 * integrate.h (struct inline_remap): Add local_return_label.
5600 * integrate.c (expand_inline_function): Initialize it and emit
5601 it after copy_insn_notes.
5602 (copy_insn_list): Don't store local_return_label here.
5603 (copy_insn_notes): New function split out from copy_insn_list.
5605 2001-03-17 Richard Henderson <rth@redhat.com>
5607 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5608 is generating .debug_line.
5609 (dwarf2out_init): Add main_input_filename to the file table first.
5610 * configure.in (as_dwarf2_debug_line): Test with file number 1
5611 instead of file number 0.
5613 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5615 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5616 (gen_rtx_combine): Deleted; all references changed as appropriate.
5617 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5619 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5621 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5623 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5626 2001-03-16 Jim Wilson <wilson@redhat.com>
5628 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5629 then set it to LOC_REG (79) instead of aborting.
5631 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5633 * gccbug.in: Remove high priority.
5635 2001-03-16 Richard Henerson <rth@redhat.com>
5637 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5638 output with a space instead of deleting it.
5639 * configure: Regenerate.
5641 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5643 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5644 handles the gory details of converting an object file into
5645 something that's safe to grep.
5646 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5647 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5648 newlines at either end of the string we're looking for.
5649 Make 'checking ...' message less stilted.
5650 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5651 ARM in-memory layout and its hypothetical converse. Don't
5652 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5653 HOST_WORDS_BIG_ENDIAN.
5655 * configure.in: Adjust for renamed macro. Move
5656 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5657 * configure, config.in: Regenerate.
5659 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5661 * fixinc/Makefile.in: Set SHELL.
5663 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5665 * fixinc/fixincl.c (fix_with_system): Quote file names before
5666 passing them to shell.
5668 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5670 * Makefile.in: Use fix-header$(build_exeext) instead
5673 2001-03-16 Richard Henderson <rth@redhat.com>
5675 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5676 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5677 (size_of_line_prolog): Remove.
5678 (output_line_info): Compute prologue size via label difference.
5679 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5681 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5682 assembler error when redefining file numbers.
5683 * config.in, configure: Rebuild.
5685 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5686 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5687 (dw2_asm_output_delta_uleb128): Likewise.
5688 (dw2_asm_output_delta_sleb128): Similarly.
5689 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5691 2001-03-16 Michael Meissner <meissner@redhat.com>
5693 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5695 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5697 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5699 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5700 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5701 being unsigned in ISO C and signed in traditional.
5702 (expand_prologue): Ditto.
5703 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5705 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5707 (divsi3,divdi3): Ditto.
5708 (modsi3,moddi3): Ditto.
5709 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5710 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5711 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5714 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5716 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5717 SSE based conditional moves on LTGT/UNEQ conditions;
5718 Canonicalize EQ to NE.
5719 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5720 (sse_mov?fcc_ne): New.
5722 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5724 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5726 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5727 register may be dead.
5729 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5731 * Makefile.in (hash.o): Depend on CONFIG_H.
5733 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5735 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5737 2001-03-15 Richard Henderson <rth@redhat.com>
5739 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5740 (ASM_OUTPUT_DWARF_PCREL): New.
5741 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5743 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5745 * cppfiles.c (stack_include_file): Use MAX of sysp.
5747 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5749 * config.gcc (ia64*-*-hpux*): New case.
5750 * config/ia64/hpux.h: New file for HP-UX support.
5751 * config/ia64/t-hpux: New file for HP-UX support.
5753 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5755 * fixinc/inclhack.def (irix_stdio_va_list): New.
5756 * fixinc/fixincl.x: Rebuilt.
5758 2001-03-15 Richard Henderson <rth@redhat.com>
5760 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5761 if provided by the target.
5762 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5763 (dw2_asm_output_addr): New.
5764 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5765 * dwarf2out.c (output_cfi): Use it for program addresses.
5766 (output_call_frame_info, output_die): Likewise.
5767 (output_aranges, output_line_info): Likewise.
5769 2001-03-15 Bruce Korb <bkorb@gnu.org>
5771 * gcc.c(main): make more rigorous
5772 * collect2.c(main): guard against ignoring SIGCHLD
5773 * protoize.c(main): ditto
5774 * gcc/fixinc/fixincl.c(initialize): ditto
5776 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5778 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5779 (sdbout_parms): Likewise.
5781 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5783 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5784 "widen" a destination that is already wider than a word. Also do
5785 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5787 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5789 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5791 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5793 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5795 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5797 * i960.h (i960_maxbitalignment,
5798 i960_last_maxbitalignment): Declare.
5799 * i960.c (i960_maxbitalignment,
5800 i960_last_maxbitalignment): Make global.
5801 (process_pragma): Delete.
5802 (i960_pr_align, i960_pr_noalign): Move from here ...
5803 * i960-c.c: ... to this new file.
5804 * t-960bare (i960-c.o): New rule.
5805 * t-vxworks960 (i960-c.o): Likewise.
5806 * config.gcc (i960-*-*): Define c_target_objs and
5809 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5811 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5812 without adding in rtx code and mode.
5814 * alias.c (init_alias_analysis): Don't use any rtx whose value
5815 varies as a known value.
5816 Delete a superfluous test.
5818 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5820 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5821 scheduling a stop bit.
5822 (ia64_emit_nops): Correctly handle ASMs.
5824 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5826 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5828 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5830 * cpp.texi: Update documentation for -include and -imacros.
5831 * cppfiles.c (struct include_file): Remove "defined" memeber.
5832 (find_or_create_entry): Make a copy of the file name, and
5834 (open_file): Update to ensure we use the simplified filename.
5835 (stack_include_file): Don't set search_from.
5836 (cpp_included): Don't simplify the path name here.
5837 (find_include_file): New prototype. Call search_from to
5838 get the start of the "" include chain. Don't simplify the
5840 (_cpp_execute_include): New prototype. Move diagnostics to
5841 do_include_common. Update.
5842 (_cpp_pop_file_buffer): Don't set defined.
5843 (search_from): New prototype. Use the preprocessor's cwd
5844 for files included from the command line.
5845 (read_name_map): Don't simplify the pathname here.
5846 * cpphash.h (enum include_type): New.
5847 (struct buffer): Delete search from. New search_cached.
5848 (_cpp_execute_include): Update prototype.
5849 * cppinit.c (do_includes): Use _cpp_execute_include.
5850 * cpplib.c (do_include_common): New function.
5851 (do_include, do_include_next, do_import): Use it.
5853 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5855 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5856 contents of the RTL, to determine the name of the object.
5858 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5860 * tree.h (DECL_RTL): Allocate RTL lazily.
5861 (SET_DECL_RTL): New macro.
5862 (DECL_RTL_SET_P): Likewise.
5863 (COPY_DECL_RTL): Likewise.
5864 (DECL_RTL_IF_SET): Likewise.
5865 * varasm.c (make_decl_rtl): Add assertions about the kind of
5866 declaration we are processing.
5867 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5868 (start_decl): Likewise.
5869 (finish_decl): Likewise.
5870 * c-semantics.c (emit_local_var): Likewise.
5871 * calls.c (expand_call): Likewise.
5872 * dbxout.c (dbxout_symbol): Likewise.
5873 * emit-rtl.c (unshare_all_rtl): Likewise.
5874 (unshare_all_decls): Likewise.
5875 (reset_used_decls): Likewise.
5876 * expr.c (store_constructor): Likewise.
5877 (safe_from_p): Likewise.
5878 (expand_expr): Likewise.
5879 * function.c (put_var_into_stack): Likewise.
5880 (instantiate_decls_1): Likewise.
5881 (assign_parms): Likewise.
5882 (expand_function_start): Likewise.
5883 (expand_function_end): Likewise.
5884 * ggc-common.c (gcc_mark_trees): Likewise.
5885 * integrate.c (function_cannot_inline_p): Likewise.
5886 (copy_decl_for_inlining): Likewise.
5887 (expand_inline_function): Likewise.
5888 (integrate_parm_decls): Likewise.
5889 (integrate_decl_tree): Likewise.
5890 * print-tree.c (print_node): Likewise.
5891 * reg-stack.c (stack_result): Likewise.
5892 * stmt.c (label_rtx): Likewise.
5893 (expand_return): Likewise.
5894 (expand_decl): Likewise.
5895 (expand_decl_cleanup): Likewise.
5896 (expand_anon_union_decl): Likewise.
5897 * toplev.c (check_global_declarations): Likewise.
5898 (rest_of_decl_compilation): Likewise.
5899 * tree.c (simple_cst_equal): Likewise.
5900 * objc/objc-act.c (generate_static_references): Likewise.
5902 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5904 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5905 gcc_AC_C_FLOAT_FORMAT): New macros.
5906 * configure.in: Add AC_PROG_CPP after CC tests;
5907 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5908 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5909 * configure, config.in: Regenerate.
5911 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5912 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5913 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5914 config/i370/xm-linux.h, config/i370/xm-oe.h,
5915 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5916 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5917 config/pa/xm-linux.h, config/pa/xm-pa.h,
5918 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5919 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5920 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5921 config/we32k/xm-we32k.h: Delete.
5923 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5924 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5925 config/vax/xm-vms.h: Don't define any of:
5926 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5928 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5930 * config.gcc: Remove references to deleted files.
5931 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5932 FATAL_EXIT_CODE, which is the same between oe and mvs).
5934 2001-03-14 DJ Delorie <dj@redhat.com>
5935 Vladimir Makarov <vmakarov@redhat.com>
5937 * config/i960/i960.c (i960_function_prologue): Compute size of
5938 frame according to number of registers actually saved there.
5940 2001-03-14 Richard Henderson <rth@redhat.com>
5942 * expr.c (emit_move_insn_1): Fix else if around #endif.
5944 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5947 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5950 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5952 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5953 (override_options): Parse cmodel string.
5954 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5955 * i386.h (TARGET_OPTIONS): Add "cmodel".
5956 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5958 (ix86_cmodel_string, ix86_cmodel): Declare.
5960 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5963 * i386.h (GENERAL_REG_P): Add missing REG_P.
5965 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5967 * configure.in: Use $gcc_cv_as instead of $as.
5968 * configure: Regenerated.
5970 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5972 * cppfiles.c (stack_include_file): Only increase the include
5973 count if we actually process the file properly, as opposed
5974 to treating it as length zero. Only call read_include_file
5975 if not DO_NOT_REREAD. Handle the -H include file output
5977 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5978 (cpp_included, find_include_file): Simplify pathnames after
5979 remapping them. If remapping, don't use the remapped file
5980 name's buffer as our scratch buffer.
5981 (cpp_pop_file_buffer): Replace the multiple include macro
5982 only if it isn't yet set.
5983 (read_name_map): Simplify remapped names when reading in.
5984 (remap_filename): Move code to code path that uses it.
5985 (_cpp_simplify_pathname): Return the input pointer.
5986 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5988 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5990 * expr.c (expand_expr): Revove bogus conditional.
5992 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5994 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5996 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5998 * reg-stack.c (stack_result): Unconditionally use
5999 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6001 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6003 * expr.c (emit_move_insn_1): Split push of complex value when
6004 no suitable push instruction exist.
6006 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6007 instead of QI_REG_P.
6009 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6011 * alias.c (handled_component_p, can_address_p): New functions.
6012 (get_alias_set): Use them.
6014 2001-03-13 Jim Wilson <wilson@redhat.com>
6016 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6017 from 80 in try_locals code.
6018 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6020 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6022 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6023 gcc_AC_C_LONG_LONG): New.
6024 * configure.in: Use them. Probe the size of short, int, long,
6025 and long long/__int64 if we have them. Move all the AC_C_*
6026 checks together, except gcc_AC_C_CHAR_BIT which has to go
6027 after AC_CHECK_HEADERS(limits.h).
6028 Take hwint.h out of host_xm_file and build_xm_file.
6030 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6031 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6032 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6033 Move the HOST_WIDEST_INT setup logic here from system.h.
6034 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6036 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6037 is now handled by hwint.h.
6039 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6040 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6041 config/ia64/xm-ia64.h: Don't define any of:
6042 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6043 HOST_BITS_PER_LONGLONG.
6045 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6046 config/h8300/xm-h8300.h, config/mips/iris6.h,
6047 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6048 config/sparc/xm-sp64.h: Delete.
6049 * config.gcc: Remove references to deleted files.
6051 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6052 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6053 * config/i370/xm-linux.h: Clarify floating-point situation in
6056 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6058 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6059 (find_include_file): Decide here which part of the include
6060 chain to start the search. Complain about an empty include
6061 chain in all cases apart from an abolsute file name.
6062 (_cpp_execute_include): Don't choose the search chain here.
6063 Don't call handle_missing_include in the case of an empty
6065 (_cpp_compare_file_date): Don't choose the search chain here.
6066 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6067 here from _cpp_execute_include. Behave like #include if
6068 we're in the main file.
6070 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6072 * system.h (malloc, realloc, calloc, strdup): Only poison these
6073 tokens when IN_GCC is defined.
6075 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6077 * i386.md (abs?f expander): Support SSE case.
6078 (abd?f_if): Add new "USE"; add splitters.
6080 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6082 * cpp.texi (poison): Explain the macro expansion exception.
6084 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6086 * expr.c (store_expr): Add dont_store_target. If temp is already in
6087 target before copying to reg, don't store it into target again.
6089 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6091 * cppinternals.texi: Update for file handling.
6093 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6095 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6096 2001-02-24 which broke building the Java library.
6097 * function.c (identify_blocks): Likewise.
6098 (all_blocks): Likewise.
6099 * integrate.c (integrate_decl_tree): Likewise.
6100 * print-tree.c (print_node): Likewise.
6101 * tree.h (BLOCK_NUMBER): Likewise.
6102 (struct tree_block): Likewise.
6104 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6106 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6107 __WCHAR_TYPE__ definition.
6108 (WCHAR_TYPE_SIZE): #undef before #define.
6110 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6112 * cppfiles.c: Update comments.
6113 (destroy_include_file_node): Rename destroy_node.
6114 (find_or_create_entry): New function.
6115 (open_file, _cpp_fake_include): Use it.
6116 (handle_missing_header): New function, broken out of
6117 _cpp_execute include. Don't segfault if there is no
6118 system or quoted path.
6119 (_cpp_execute_include): Use handle_missing_header.
6121 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6123 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6124 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6126 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6128 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6129 unless anti_dependence says they are.
6130 * alias.c (objects_must_conflict): If neither has a type specified,
6133 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6134 David Billinghurst <David.Billinghurst@riotinto.com>
6136 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6138 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6140 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6141 (*_one_bit): Remove type on the match_operand in attributes.
6143 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6145 * i386.c: Commit forgotten hunk in previous patch.
6146 (regclass_map): Add extended registers.
6147 (dbx_register_map): Add missing frame register.
6149 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6151 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6153 * i386.md (x86_sahf_1): Disable for 64bit.
6154 (popsi*, pophi*): Likewise.
6155 (pushqi, pushhi): Likewise.
6156 (movdi, pushdi): Likewise.
6157 (zero extend DImode splitter): Likewise.
6158 (adddi, minusdi splitter): Likewise.
6159 (umulsidi): Likewise.
6161 (mulsidi): Disable for 64bit
6162 (lshift:DI/ashift:DI): Disable for 64bit.
6163 (loop patterns): Likewise.
6164 (call_pop, call_value_pop expanders and patterns): Likewise.
6165 (prologue_get_pc): Likewise.
6167 (fcmovDI pattern and splitter): Likewise.
6168 (movdfcc_1_rex64): New.
6170 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6172 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6173 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6174 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6175 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6176 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6177 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6178 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6179 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6180 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6181 (REGPARM_MAX): Set to 6 for x86_64.
6182 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6183 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6186 * (patterns that does use upper halves): Update constraints
6187 'q' to 'Q' and 'r' to 'R'.
6188 (cmpqi_ext_1): Disable for 64bit.
6189 (cmpqi_ext_3_insn): Likewise.
6190 (movqi_extzv_1): Likewsie.
6191 (addqi_ext_1): Liekwsie
6192 (testqi_ext_1): Liekwsie
6193 (andqi_ext_1): Liekwsie
6194 (xorqi_ext_1): Liekwsie
6195 (cmpqi_ext_1_rex64): New.
6196 (cmpqi_ext_3_insn_rex64): Likewise.
6197 (movqi_extzv_1_rex64): Likewsie.
6198 (addqi_ext_1_rex64): Liekwsie
6199 (testqi_ext_1_rex64): Liekwsie
6200 (andqi_ext_1_rex64): Liekwsie
6201 (xorqi_ext_1_rex64): Liekwsie
6203 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6205 * configure.in: Move check for unsigned enumerated bitfields
6206 to macro in aclocal.m4. Disable it for now.
6207 * configure, config.in: Regenerate.
6208 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6209 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6210 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6211 kind above its first use.
6213 * config/xm-interix.h, config/alpha/xm-alpha.h,
6214 config/i370/xm-linux.h, config/i386/xm-beos.h,
6215 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6216 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6217 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6218 Don't define ONLY_INT_FIELDS under any circumstances.
6220 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6222 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6223 config/sparc/xm-sysv4.h: Delete - now identical with some
6225 * config.gcc (hppa targets): Replace xm-pahpux.h and
6226 xm-papro.h with implicit xm-pa.h.
6227 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6230 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6232 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6233 before reload_cse_noop_set_p.
6235 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6237 * config.gcc: Where xm-host.h used to include another
6238 xm-host.h, list the nested header directly in xm_file. Remove
6239 references to deleted files. Can now use sparc/xm-sp64.h for
6242 * config/xm-linux.h, config/arm/xm-linux.h,
6243 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6244 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6245 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6246 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6247 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6250 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6251 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6252 bother to wrap #undef in #ifdef.
6253 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6254 Don't include xm-linux.h.
6255 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6257 * configure.in: Wrap regexps using [] in changequote block.
6258 Use expr : not echo | grep. Simplify regexps.
6259 * configure: Regenerate.
6261 56 xm-files remain, 22 xm-arch.
6263 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6265 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6266 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6267 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6268 (copy_object): Fix format specifier vs argument mismatch.
6270 * mips-tdump.c: Make local functions static.
6271 (rindex): Don't #undef.
6272 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6273 (fatal, fancy_abort): Delete.
6274 (read_seek): Avoid signed/unsigned compare.
6276 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6278 * combine.c (try_combine): Fix error in change to try original
6280 (gen_rtx_combine): Do same as gen_rtx for now.
6282 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6284 * configure.in: AC_SUBST xm_defines.
6285 * configure: Regenerate.
6286 * Makefile.in: Set DEFINES=$(xm_defines) when building
6289 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6291 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6292 (cpp_included, find_include_file): Update.
6293 (_cpp_compare_file_date): Make else unconditional.
6295 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6297 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6299 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6301 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6302 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6304 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6306 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6307 if it's a record type.
6309 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6311 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6312 mingw includes slightly.
6314 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6316 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6317 #undef token before poisoning it.
6319 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6321 * alpha.c (check_float_value): Use memcpy, not bcopy.
6323 * m32r.c (m32r_sched_reorder): Likewise.
6325 * vax.c (check_float_value): Likewise.
6327 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6329 * toplev.c (file_name_nondirectory): Remove.
6330 * toplev.h: Similarly.
6331 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6332 of file_name_nondirectory.
6334 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6336 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6337 * mips-tfile.c: Don't #undef rindex; not used.
6339 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6341 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6342 (dbx64_register_map): Declare.
6343 (RETURN_ADDR_RTX): Fix for 64bit.
6344 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6345 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6346 * i386.c (dbx64_register_map): New global array.
6347 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6348 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6351 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6353 * cppfiles.c (search_from): Use lbasename.
6354 * mkdeps.c (deps_add_default_target): Use lbasename.
6356 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6358 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6359 xcalloc in lieu of malloc, realloc & calloc.
6361 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6363 * gengenrtl.c (xmalloc): Likewise.
6365 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6366 really_call_* memory allocation routines.
6368 * stmt.c (check_for_full_enumeration_handling): Use
6369 really_call_calloc, not calloc.
6371 * system.h (really_call_malloc, really_call_calloc,
6372 really_call_realloc): Define.
6373 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6375 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6377 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6379 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6381 * configure: Rebuilt.
6382 * configure.in: Only use `lang_requires' for languages athat are
6385 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6387 * invoke.texi: Fix typo.
6388 * gcc.1: Regenerate.
6390 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6392 * configure.in: Prune nonexistent files from build_xm_file,
6393 xm_file, and host_xm_file lists. Warn unless they're
6395 Don't generate *config.h here.
6396 AC_SUBST all variables needed to generate *config.h.
6397 * configure: Regenerate.
6398 * mkconfig.sh: New helper script, from code removed from
6400 * Makefile.in: Zap all MALLOC variables - no longer used
6401 anywhere, and malloc.c doesn't exist.
6402 Substitute in variables needed to generate *config.h.
6403 Stop lying about the dependencies contained in CONFIG_H and
6405 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6406 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6407 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6408 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6409 $(TM_P_H), etc. as appropriate.
6411 * config.gcc: Zap references to deleted files.
6412 * ggc-none.c: Don't include rtl.h or tm_p.h.
6414 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6415 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6416 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6417 config/i386/xm-linux.h, config/i386/xm-linux.h,
6418 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6419 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6420 Don't include i386/xm-i386.h.
6422 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6423 config/i386/xm-i386.h, config/i860/xm-i860.h,
6424 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6425 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6426 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6427 Delete (empty except comments, #includes of other deleted
6428 files, and macros used nowhere).
6430 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6432 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6433 independent on TARGET_FLAGS.
6435 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6437 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6439 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6441 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6443 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6444 LAST_REX_SSE_REG): define.
6445 (enum reg_class): Add 'LEGACY_REGS'
6446 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6447 (SSE_REGNO_P): Recognize extended registers.
6448 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6449 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6450 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6451 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6452 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6453 REG_OK_FOR_STRREG_P): Remove.
6454 (HI_REGISTER_NAMES): Add extended registers.
6455 (ADDITIONAL_REGISTER_NAMES): Likewise.
6456 (QI_REGISTER_NAMES): Add 8bit extended registers.
6457 (DEBUG_REG): Support extended registers.
6458 * i386.c (regclass_map): Add extended registers.
6459 (dbx_register-map): Likewise.
6460 (svr4_dbx_register_map): Likewise.
6461 (print_reg): Support extended registers.
6462 (print_operand): Support 64bit operands.
6464 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6466 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6467 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6468 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6469 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6470 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6471 STACK_BOUNDARY): Set properly for 64bits.
6472 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6473 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6474 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6475 (MOVE_MAX): Set to 16.
6476 (MOVE_MAX_PIECES): 8 for 64bit.
6477 (Pmode): Set to SImode.
6479 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6481 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6483 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6485 * i386.h (mask_64bit): New constant.
6486 (target_64bit): New macro.
6487 (target_options): Add '64'/'32'
6488 (target_default): Define.
6489 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6490 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6491 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6493 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6495 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6497 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6499 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6500 LO_SUM unless for_alias is set.
6502 2001-03-08 Stan Shebs <shebs@apple.com>
6504 * objc/objc-act.c: Fix old typos in comments, add comments for
6506 (hash_init): Fix file name in error message.
6507 (hash_enter): Ditto.
6508 (hash_add_attr): Ditto.
6509 (continue_class): Ditto.
6511 2001-03-08 Bruce Korb <bkorb@gnu.org>
6513 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6514 wait4() can receive the signal.
6516 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6518 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6520 * fixinc/fixincl.x: Regenerate.
6522 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6524 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6526 * fixinc/fixincl.x: Regenerate.
6528 2001-03-08 Richard Henderson <rth@redhat.com>
6530 * configure.in (HAVE_AS_LEB128): New assembler check.
6531 * configure, config.in: Rebuilt.
6533 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6535 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6538 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6540 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6541 references to the MAXPATHLEN macro.
6543 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6544 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6547 * config/i386/xm-gnu.h, config/xm-gnu.h,
6548 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6549 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6550 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6551 and/or unused files.
6553 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6554 doing so in various xm-*.h files.
6556 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6558 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6560 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6562 * configure.in (enable_shared): Support per-package shared-library
6564 * configure: Rebuilt.
6566 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6568 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6569 for crnot. Set operands[5] in splitter.
6571 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6573 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6574 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6575 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6576 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6577 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6578 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6579 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6582 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6583 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6584 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6585 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6586 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6587 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6588 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6589 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6590 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6591 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6592 Delete unused and/or empty files.
6594 * config.gcc: Define USG in xm_defines as appropriate. Define
6595 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6596 macro. Remove deleted xm-* files from $xm_files variable.
6598 2001-03-07 Tom Tromey <tromey@redhat.com>
6600 * configure: Rebuilt.
6601 * configure.in: Allow config-lang.in to set `lang_requires' to list
6602 of other required languages.
6604 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6606 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6608 (output_prologue): Use xmalloc not oballoc.
6609 (output_epilog): Free a29k_first_epilogue_insn when finished.
6610 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6612 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6614 * builtins.c (expand_builtin_mathfn): Check
6615 flag_unsafe_math_optimizations, not flag_fast_math.
6616 (expand_builtin): Likewise
6617 * combine.c (combine_simplify_rtx): Likewise.
6618 (simplify_if_then_else): Likewise.
6619 * cse.c (fold_rtx): Likewise.
6620 * flags.h: Remove flag_fast_math. Add
6621 flag_unsafe_math_optimizations and flag_trapping_math.
6622 * fold-const.c (negate_expr): Check
6623 flag_unsafe_math_optimizations, not flag_fast_math.
6624 (invert_truthvalue): Likewise.
6625 (fold): Likewise. Before associating operands, check that
6626 code == MULT_EXPR, not code != MULT_EXPR.
6627 * ifcvt.c (noce_try_minmax): Check
6628 flag_unsafe_math_optimizations, not flag_fast_math.
6629 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6630 * invoke.texi: Document -funsafe-math-optimizations and
6631 -fno-trapping-math. Change documentation for -ffast-math.
6632 * jump.c (reversed_comparison_code_parts): Likewise.
6633 (rtx_equal_for_thread_p): Likewise.
6634 * optabs.c (emit_conditional_move): Likewise.
6635 * simplify-rtx.c (simplify_binary_operation): Likewise.
6636 (simplify_relational_operation): Likewise.
6637 (simplify_ternary_operation): Likewise.
6638 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6639 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6640 Add trapping-math and unsafe-math-optimizations entries to f_options.
6641 (set_fast_math_flags): New, sets flags for -ffast-math.
6642 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6643 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6644 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6646 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6647 (alpha_emit_conditional_move): Initialize local_fast_math to
6648 flag_unsafe_math_optimizations, not flat_fast_math.
6649 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6650 instead of setting flag_fast_math to 1.
6651 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6653 * config/i386/i386.c (override_options): Likewise
6654 * config/i386/i386.md: Likewise.
6655 * config/m68k/m68k.md: Likewise.
6656 * config/mips/mips.md: Likewise.
6657 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6658 (rs6000_generate_compare): Likewise.
6660 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6662 * Makefile.in: Set RANLIB to @RANLIB@.
6665 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6667 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6668 * fixinc/fixincl.x: Regenerated.
6670 2001-03-07 Richard Henderson <rth@redhat.com>
6672 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6674 2001-03-07 Richard Henderson <rth@redhat.com>
6676 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6677 of block notes and exception handling notes.
6679 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6680 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6681 (compile_file): ... here.
6683 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6685 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6687 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6688 config.h now. Include libiberty.h to handle alloca.
6690 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6692 * c-parse.in (yylexname): New function, split out of _yylex.
6693 (objc_rid_sans_at): New table.
6694 (init_reswords): Initialize it.
6695 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6696 retrieving the next token and checking it for significance as
6697 an ObjC keyword or string constant.
6699 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6700 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6702 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6705 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6707 * config/m68k/m68k.c (const_uint32_operand): Accept any
6708 const_int on a 32-bit host.
6710 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6712 * objc/objc-act.c (init_objc): Set save_lang_status,
6713 restore_lang_status, and mark_lang_status.
6715 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6717 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6719 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6721 * cppinternals.texi: Update.
6723 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6725 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6726 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6727 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6728 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6729 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6730 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6731 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6732 config/i386/xm-i386.h, config/i860/xm-i860.h,
6733 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6734 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6735 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6736 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6737 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6738 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6739 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6740 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6741 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6742 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6743 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6744 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6745 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6746 match the defaults provided in hwint.h.
6748 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6749 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6751 * config.gcc (xm_file): Don't set to files which are deleted.
6753 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6754 guard this file against these macros being undefined.
6756 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6758 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6759 and DECL_DEFER_OUTPUT on the decl we create, before calling
6760 rest_of_decl_compilation.
6762 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6764 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6766 * configure, config.in: Regenerate.
6767 * config.gcc: Remove references to deleted files.
6769 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6770 genrecog.c, rtl.c: Do not use alloca anywhere.
6772 * Makefile.in, build-make, system.h, config/x-interix,
6773 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6774 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6775 config/arc/xm-arc.h, config/arm/xm-arm.h,
6776 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6777 config/h8300/xm-h8300.h, config/i370/x-oe,
6778 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6779 config/i386/x-ncr3000, config/i386/x-sco5,
6780 config/i386/xm-dgux.h, config/i860/x-sysv4,
6781 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6782 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6783 config/m68k/x-hp320g, config/m69k/x-mot3300,
6784 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6785 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6786 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6787 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6788 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6789 config/mips/x-iris, config/mips/x-iris3,
6790 config/mips/x-sni-svr4, config/mips/x-sysv,
6791 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6792 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6793 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6794 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6795 config/pa/xm-papro.h, config/romp/xm-romp.h,
6796 config/rs6000/x-aix31, config/rs6000/x-aix41,
6797 config/rs6000/x-beos, config/rs6000/x-lynx,
6798 config/rs6000/x-mach, config/rs6000/x-rs6000,
6799 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6800 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6801 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6802 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6803 config/vax/xm-vms.h: Eradicate all references to alloca and
6806 * config/xm-alloca.h, config/clipper/x-clix,
6807 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6808 config/i860/x-sysv3, config/m88k/x-sysv3,
6809 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6810 (contained only alloca related hacks).
6812 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6815 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6817 * invoke.texi: Document __FAST_MATH__.
6819 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6821 * crtstuff.c: Restore include of auto-host.h.
6823 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6825 Put main() in a separate file, so that the language
6826 front-end can use a different main().
6829 * toplev.c: (main): Rename as toplev_main.
6830 * toplev.h: Declare toplev_main.
6831 * Makefile.in (OBJS): add toplev.o.
6832 (BACKEND): remove toplev.o, add main.o.
6834 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6836 * cppfiles.c (search_from): Special case the empty string.
6838 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6840 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6841 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6842 strlen or strcpy; we already know the length.
6843 (_cpp_compare_file_date): Similarly.
6844 * cpphash.h (struct cpp_reader): Delete done_initialising.
6845 (CPP_PREV_BUFFER): Delete.
6846 * cppinit.c (cpp_start_read): Don't set done_initialising.
6847 * cpplex.c (parse_string): Guarantee null-termination.
6848 (_cpp_equiv_toklists): Remove.
6849 * cpplib.c (glue_header_name): Null-terminate.
6850 (do_line): Don't leak memory.
6851 * cpplib.h (BT_WEAK): Delete.
6852 * cppmain.c (cb_ident): Strings are now null-terminated.
6854 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6856 * gcc.c (convert_filename): Append executable suffix
6857 if NO_AUTO_EXE_SUFFIX is not defined.
6858 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6859 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6861 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6863 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6864 * c-parse.gperf, c-gperf.h: Delete.
6865 (c-gperf.h was accidently re-added to the CVS repo in the rev
6866 1.16 commit by tromey)
6868 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6870 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6871 macro arguments when looking for the '('.
6872 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6873 2 when really parsing arguments; 1 when looking for '('.
6874 Always restore the lexer position.
6876 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6878 * longlong.h (umul_ppmm): Don't use a multiline string.
6880 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6882 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6883 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6884 t_bool in declaration because pcc can't combine volatile with typedef
6887 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6889 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6890 until when it is really needed.
6891 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6892 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6893 * i386.md (float?i?f splitter): Don't force source operand to memory
6895 (sse_movdfcc): Fix constraint.
6896 (sse_movdfcc splitter): Handle properly the second alternative.
6898 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6900 * cpplex.c (parse_string): Unconditionally pedwarn.
6902 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6905 * cppexp.c (parse_number): Update.
6906 * cpplex.c (parse_string): Pedwarn if multiline string does not
6907 result from a system header's macro.
6908 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6909 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6910 for function-like macros too.
6911 * c-lex.c (lex_number): Update.
6913 2001-03-03 Richard Henderson <rth@redhat.com>
6915 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6917 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6919 * combine.c (try_combine): If split with mode-changed scratch
6920 register didn't work, try the original mode.
6922 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6924 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6925 * config/c4x/c4x.h: Likewise.
6926 * stor-layout.c (compute_record_mode): Likewise.
6927 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6929 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6931 * configure.in: Kill tm.h. Include the files in the $tm_file
6932 list in all three of config.h, hconfig.h, tconfig.h, after the
6933 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6934 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6935 * configure: Regenerate.
6936 * Makefile.in (clean): Don't delete tm.h.
6938 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6939 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6940 those are not defined, set SEC and FEC to 0 and 1.
6941 * gcc.texi: Update to match.
6943 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6944 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6945 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6946 Include tconfig.h, not tm.h.
6948 * config/xm-lynx.h, config/xm-std32.h,
6949 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6950 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6951 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6952 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6953 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6954 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6955 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6956 config/i386/xm-i386.h, config/i860/xm-i860.h,
6957 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6958 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6959 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6960 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6961 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6962 config/pa/xm-linux.h, config/pa/xm-pa.h,
6963 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6964 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6965 config/pj/xm-pj.h, config/romp/xm-romp.h,
6966 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6967 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6968 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6969 config/v850/xm-v850.h, config/vax/xm-vax.h,
6970 config/we32k/xm-we32k.h:
6972 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6974 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6975 config/i370/xm-oe.h: Don't include tm.h. Don't define
6977 * config/vax/xm-vms.h: Don't include tm.h.
6979 * config/xm-lynx.h, config/avr/xm-avr.h,
6980 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6981 Delete; made empty by above changes.
6982 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6983 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6984 Don't include config/xm-lynx.h or tm.h.
6986 * config/xm-gnu.h: Don't include fcntl.h.
6987 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6989 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6991 2001-03-02 Richard Henderson <rth@redhat.com>
6993 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6994 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6996 2001-03-02 Richard Henderson <rth@redhat.com>
6998 * Makefile.in (OBJS): Add dwarf2asm.o.
6999 * dwarf2asm.c, dwarf2asm.h: New files.
7000 * dwarf2out.c (*): Use them.
7001 (size_of_uleb128, size_of_sleb128): Remove.
7002 (output_uleb128, output_sleb128): Remove.
7003 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7004 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7005 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7006 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7007 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7008 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7009 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7010 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7011 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7012 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7013 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7014 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7015 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7016 (dwarf2out_frame_debug): Remove unused variables.
7017 (output_loc_operands): Don't abort on 8 byte constants if
7018 host integers are wide enough.
7019 (output_symbolic_ref): Remove.
7020 (size_of_die): Don't assume 4 byte host integers.
7021 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7023 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7024 something stupid with HOST_WIDE_INT to long truncation.
7025 [CONST_DOUBLE]: Likewise.
7027 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7028 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7029 * config/arm/unknown-elf.h: Likewise.
7030 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7031 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7032 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7033 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7034 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7035 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7036 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7037 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7038 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7039 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7040 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7041 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7043 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7045 * cselib.c (hash_rtx): Cast enums to unsigned int.
7047 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7049 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7050 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7052 * c-format.c (C_STD_VER): Cast to int for comparisons.
7053 (check_function_format): Cast various enums to int for &.
7054 (maybe_read_dollar_number): Likewise.
7055 (check_format_info): Likewise.
7056 (check_format_info_main): Likewise.
7057 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7058 (safe_from_p): Likewise.
7059 * varasm.c (const_hash): Cast enum to int for %.
7060 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7061 pcc enum problems with < and ++ operators.
7062 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7063 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7064 (regclass_init): Change enum class to int to iterate over reg_classes.
7065 * genrecog.c (merge_trees): Cast enums for comparison.
7066 * rtl.h (GET_CODE): Cast to enum rtx_code.
7067 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7068 (GET_MODE): Cast to enum machine_mode.
7069 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7070 (GET_NOTE_INSN_NAME): Cast enum to int.
7071 * tree.h (TREE_CODE): Cast to enum tree_code.
7072 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7073 * timevar.c (timevar_print): Change loop variable id from enum to
7075 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7076 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7077 * toplev.c (compile_file): Cast enum DFI to int.
7078 (decode_d_option): Likewise.
7080 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7082 * cppinit.c (append_include_chain): Mark "after" include file name list
7083 as a system directory.
7084 * cpp.texi: Document new behavior.
7086 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7088 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7090 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7092 * cppfiles.c (struct include_file): Update.
7093 (stack_include_file): Use search_from.
7094 (cpp_included, find_include_file): Update.
7095 (cpp_execute_include): Update. ptr->name may not be
7096 null terminated. Use the new search_from member variable
7098 (_cpp_compare_file_date): Similarly.
7099 (search_from): New function, similiar to actual_directory.
7100 (actual_directory): Delete.
7101 (remap_filename): Update. loc->name may not be null terminated.
7102 (struct file_name_list): Rename search_path. Update.
7103 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7104 search_from and dir.
7105 (struct cpp_reader): Remove actual_dirs.
7106 * cppinit.c (struct cpp_pending): Update for renamed objects.
7107 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7108 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7109 * cpplib.h (struct cpp_options): Similarly.
7111 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7113 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7114 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7115 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7116 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7117 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7118 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7119 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7120 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7121 config/i370/xm-oe.h, config/i386/xm-aix.h,
7122 config/i386/xm-i386.h, config/i386/xm-osf.h,
7123 config/i860/xm-i860.h, config/i960/xm-i960.h,
7124 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7125 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7126 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7127 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7128 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7129 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7130 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7131 config/pj/xm-pj.h, config/romp/xm-romp.h,
7132 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7133 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7134 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7135 config/v850/xm-v850.h, config/vax/xm-vax.h,
7136 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7137 Do not define TRUE or FALSE.
7139 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7140 empty by above change.
7141 * config.gcc: Remove references to these files.
7143 * configure.in: Detect stdbool.h.
7144 * configure, config.in: Regenerate.
7145 * system.h: Include stddef.h here if available.
7146 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7147 Then set up a sensible boolean type at the very end.
7149 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7150 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7152 * hash.h: Delete 'boolean' typedef and related #undefs.
7154 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7155 all uses of 'boolean' with 'bool'.
7157 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7159 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7160 * cppexp.c (lex): Cast enums for comparison.
7161 * cppinit.c (parse_option): Cast enum for comparison.
7162 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7163 (cpp_output_token): Likewise.
7164 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7165 (cpp_avoid_paste): Cast enums for minus and comparison.
7167 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7169 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7170 field to all array elements.
7172 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7174 * cpphash.h (struct cpp_reader): Add print_version field.
7175 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7176 just set print_version and other flags as appropriate.
7177 (cpp_post_options): Print version here if print_version is set.
7179 * toplev.c (exit_after_options): New flag.
7180 (independent_decode_option): Don't exit here; just set
7182 (main): Exit after calling lang_hooks.post_options if
7183 exit_after_options is true.
7185 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7186 (merge_include_chains): Adjust comment to match code.
7188 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7190 * stringpool.c (set_identifier): New function.
7191 * tree.h: Prototype it.
7193 * c-parse.in: Kill D_YES. If compiled for objc, call
7194 save_and_forget_protocol_qualifiers from init_reswords.
7195 * objc/objc-act.c (remember_protocol_qualifiers,
7196 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7197 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7199 (save_and_forget_protocol_qualifiers): New function.
7200 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7202 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7204 * c-semantics.c (prune_unused_decls): Return error_mark_node
7205 instead of (tree) 1 to stop traversing the tree chain.
7207 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7209 Fix a problem introduced by Kenner's Feb 18 change.
7210 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7211 flag_cse_skip_blocks only temporarily, not for ever.
7213 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7215 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7216 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7218 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7219 before determining its register class.
7221 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7223 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7224 from reg 4 if current_function_calls_setjmp.
7225 (gen_nop_type): New function.
7226 (ia64_emit_nops): New function.
7227 (ia64_reorg): Call it.
7228 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7230 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7231 code not to try to optimize adds with anything but a REG destination.
7233 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7234 (INSN_PRIORITY_KNOWN): New accessor macro.
7235 * haifa-sched.c (priority): Use it instead of testing priority against
7238 2001-02-28 DJ Delorie <dj@redhat.com>
7240 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7241 since that doesn't work the way gcc wants on a generic m68k.
7243 2001-02-28 Richard Henderson <rth@redhat.com>
7245 * caller-save.c (save_call_clobbered_regs): Fix typo in
7246 comparison last change.
7248 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7250 * i386.c (pentium4_cost): New.
7251 (m_PENT4): New macro.
7252 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7253 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7254 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7255 x86_memory_mismatch_stall): Add Pentium4
7256 (x86_use_q_reg, x86_use_any_reg): Kill.
7257 (override_options): Add pentium4.
7258 (incdec_operand): Return 0 for pentium4.
7259 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7260 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7261 (TARGET_PENTIUM4): Define.
7262 (enum processor_type): Add PROCESSOR_PENTIUM4.
7263 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7264 * i386.md (attribute "cpu"): Add pentium4.
7265 * invoke.texi (march): Add pentium4.
7267 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7269 * i386.md (sse_mov?fcc*): New patterns and splitters.
7270 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7271 the SSE based conditional moves.
7273 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7275 * i386.md (attribute mode): Add "TI".
7276 (movsf_1): Add pxor support; remove constant propagation splitter.
7277 (movdf_integer): Likewise.
7278 (movdf_nointeger): Likewise.
7279 (movxf constant prop splitter): Handle all modes; update for SSE.
7280 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7281 * i386.c (standard_80387_constant_p): Rewrite.
7282 (standard_sse_constant_p): New.
7283 * i386-protos.h (standard_sse_constant_p): New.
7285 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7287 * i386.md (sse_setccsf, sse_setccdf): New.
7288 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7290 * i386.c (sse_comparison_operator): Accept the supported unordered
7291 comparses; be ready for fast_math.
7292 (print_operand): Support 'D'.
7294 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7296 * jump.c (reversed_comparison_code): Kill.
7298 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7300 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7303 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7305 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7306 add missing '%' in constraints.
7308 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7310 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7311 for HOST_BITS_PER_WIDE_INT == 32 too.
7313 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7315 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7317 (insert_save, insert_restore): New parameter save_mode.
7318 (init_caller_save): Update initialization of reg_save_code
7319 and reg_restore_code.
7320 (save_call_clobbered_regs): Compute save_modes and update calls to
7321 reg_save_code and reg_restore_code.
7322 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7323 of spill; update use of reg_restore_code.
7324 (insert_save): Likewise.
7325 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7326 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7327 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7329 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7331 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7332 noce_try_store_flag_inc, noce_try_store_flag_mask,
7333 noce_try_cmove_arith):
7334 Use reversed_comparison_code instead of reverse_comparison and
7335 can_reverse_comparison_p.
7337 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7339 * jump.c (reversed_comparison_code_parts): Allow reversal of
7340 unordered compares in -ffast-math mode; reverse ordered compares
7341 for FP even w/o -ffast-math.
7343 2001-02-27 Richard Henderson <rth@redhat.com>
7345 * print-rtl.c (print_rtx) [i]: Don't print field five on
7346 NOTEs other than NOTE_INSN_DELETED_LABEL.
7348 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7350 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7351 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7353 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7355 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7356 even if walk_subtrees is 0.
7357 * c-semantics.c (prune_unused_decls): Return a non-null value to
7358 stop traversing the tree chain.
7360 2001-02-27 DJ Delorie <dj@redhat.com>
7362 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7363 register, *then* define it as the new CFA.
7365 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7367 * pa.c (override_options): Promote -fpic to -fPIC.
7368 (legitimize_pic_address): Simplify due to removal of
7369 small PIC as a code generation option.
7370 (secondary_reload_class): Similarly.
7371 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7372 (PRINT_OPERAND_ADDRESS): Similarly.
7373 * pa.md (various patterns): Similarly.
7374 (small pic lo_sum pattern): Remove.
7376 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7379 * md.texi (min, max): Document
7381 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7383 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7384 TARGET_PARTIAL_REG_DEPENDENCY.
7385 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7387 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7389 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7391 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7393 * mips.c (mips_make_temp_file): Fix thinko in last change.
7395 2001-02-26 Jason Eckhardt <jle@redhat.com>
7397 * combine.c (known_cond): Do not reverse the condition when
7398 SMAX/UMAX is being considered and the condition is for equality
7401 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7403 2001-02-26 Philip Blundell <philb@gnu.org>
7405 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7407 * config/arm/linux-elf.h: Remove historical relics related to
7408 above configurations.
7409 * config/arm/linux-oldld.h: Delete.
7410 * config/arm/linux-elf26.h: Delete.
7412 2001-02-26 Jason Merrill <jason@redhat.com>
7414 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7416 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7417 recognize a tentative definition. Lose obsolete code.
7419 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7420 variables unless necessary, either.
7422 2001-02-25 Richard Henderson <rth@redhat.com>
7424 * ifcvt.c (struct noce_if_info): Add test_bb.
7425 (noce_get_alt_condition): New.
7426 (noce_try_minmax, noce_try_abs): New.
7427 (noce_operand_ok): New.
7428 (noce_process_if_block): Use them.
7429 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7431 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7433 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7436 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7438 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7439 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7441 (mips_asm_file_end): Free temp_filename here.
7443 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7445 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7446 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7448 * config/i386/i386.md (movstrsi): Handle FAIL case.
7450 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7452 * cppinit.c (builtin_array): Update.
7453 (init_builtins): Flag builtins to warn if redefined or
7454 undefined. Define __GXX_WEAK as a normal macro.
7455 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7456 * cpplib.h (NODE_WARN): New flag.
7457 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7458 Handle __STDC__ as a builtin only on Solaris.
7459 (warn_of_redefinition): Renamed from check_macro_definition.
7460 Reverse sense of test. Always warn if NODE_WARN.
7461 (_cpp_create_definition): Use warn_of_redefinition. Flag
7462 any macro beginning with "__STDC_" to require a mandatory
7463 warning if redefined or undefined.
7465 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7467 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7468 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7469 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7470 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7471 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7472 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7473 Don't define any of:
7474 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7475 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7476 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7477 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7478 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7480 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7481 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7484 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7485 Delete now-empty file.
7487 * alpha/vms.h: Define NEED_ATEXIT here...
7488 * alpha/xm-vms.h: ...not here.
7490 * i386/cygwin.h: Don't define PARAMS.
7491 * mips/mips.c: Don't prototype mktemp. Don't define
7492 P_tmpdir. Use make_temp_file to create temporary files.
7493 Don't be clever and delete temporary files early.
7494 * config.gcc: Drop references to deleted files. Don't define
7496 * gcc.texi: Don't mention USE_PROTOTYPES.
7498 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7500 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7501 (ix86_set_move_mem_attrs_1): Likewise.
7502 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7503 * config/i386/i386.md (movstrsi): Call it.
7505 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7507 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7508 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7509 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7510 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7512 (i750a-*-*): Error here if hosting on i750a.
7513 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7515 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7516 Remove (empty modulo comments).
7518 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7519 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7520 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7521 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7522 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7523 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7525 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7526 Remove reference to winnt.h in comment.
7527 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7529 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7531 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7532 used to set another biv.
7534 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7536 * tree.h (BLOCK_DEAD): New macro.
7537 (struct tree_block): New flag, dead_flag.
7538 * print-tree.c (print_node, case 'b'): Print missing fields.
7539 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7540 * function.c (identify_blocks): Enable test for misplaced notes.
7541 (all_blocks): Skip BLOCK_DEAD blocks.
7542 * integrate.c (integrate_decl_tree): Likewise.
7544 * errors.c (internal_error, trim_filename): New functions.
7545 (fancy_abort): Call internal_error.
7546 * errors.h (internal_error, trim_filename): New declarations.
7548 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7550 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7552 (EXTRA_CONSTRAINT): Formatting changes.
7554 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7556 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7558 2001-02-23 Per Bothner <per@bothner.com>
7560 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7561 so they can be called from java/jvspec.c.
7562 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7564 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7566 * i386.c (ix86_frame): New structure.
7567 (ix86_compute_frame_size): Kill.
7568 (ix86_compute_frame_layout): New.
7569 (ix86_save_reg): New.
7570 (ix86_can_use_return_insn_p): Use frame layout stuff.
7571 (ix86_expand_prologue): Likewise.
7572 (ix86_expand_epilogue): Likewise.
7573 (ix86_initial_elimination_offset): Likewise.
7574 (ix86_nsaved_regs): Use ix86_save_reg.
7575 (ix86_emit_save_regs): Likewise.
7577 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7579 * flow.c (find_sub_basic_blocks): New function.
7580 (split_block): Be ready for basic block introduced by CODE_LABEL.
7581 (commit_one_edge_insertion): Call find_sub_basic_block.
7583 * flow.c (make_edges): Add edge from entry for blocks starting with
7584 label having ALTERNATE_NAME
7586 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7588 * function.c (epilogue_done): Be ready for first basic block not
7589 containing PROLOGUE_END note.
7590 (reposition_prologue_and_epilogue_notes): Avoid placing
7591 PROLOGUE_END note between BASIC_BLOCK.
7593 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7595 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7597 2001-02-21 DJ Delorie <dj@redhat.com>
7599 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7600 check for current_function_has_nonlocal_goto from 1999-11-12.
7602 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * diagnostic.c (trim_filename): No longer static.
7605 * toplev.h (trim_filename): Declare.
7606 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7607 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7608 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7609 (rtvec_check_failed_bounds): Likewise.
7610 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7612 * convert.c (convert_to_integer): Don't do unsigned unless result or
7613 both inputs are unsigned.
7615 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7618 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7620 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7622 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7624 * Makefile.in (resource.o): Add params.h dependence.
7625 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7626 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7627 * resource.c: Add dependence on params.h.
7628 (current_live_regs): Fix explanatory comment.
7629 (find_basic_block): Add new parameter to permit limiting search
7631 (mark_target_live_regs): Add new argument to find_basic_block call.
7632 (incr_ticks_for_insn): Likewise.
7634 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7636 * diagnostic.c (output_to_stream): Rename to
7637 output_buffer_to_stream. Loses the stream parameter.
7638 (init_output_buffer): Set diagnosic_buffer's stream.
7639 (flush_diagnostic_buffer): Adjust.
7640 (default_print_error_function): Likewise.
7641 (finish_diagnostic): Likewise.
7642 (verbatim): Likewise.
7644 * diagnostic.h (struct output_buffer): Add `stream' field.
7645 (output_buffer_attached_stream): New macro.
7647 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7649 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7650 check if either operand is divisible by C.
7651 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7652 If type is signed, consider negative numbers as well.
7654 2001-02-22 Richard Henderson <rth@redhat.com>
7656 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7657 reach .text instead of gp-relative relocs.
7658 * config/ia64/crtend.asm (.init): Likewise.
7660 2001-02-22 Andreas Jaeger <aj@suse.de>
7662 * extend.texi (C++ Attributes): Fix typo.
7664 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7666 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7667 functions, drop current_function_args_info.words test.
7668 (ia64_compute_frame_size): Mark syscall_linkage functions as
7669 using eight input registers.
7671 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7672 Bruce Korb <bkorb@gnu.org>
7674 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7675 * fixinc/README: Document how to convert sed substitutions
7676 to format style c_fix-es.
7677 * fixinc/fixincl.x: regen
7679 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7681 * gcc.c: Add comment explaining how to add a command-line option.
7682 Add title to specs language comment.
7684 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7686 * gcc.c (cc1_options): Add "-param".
7687 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7688 (option_map): Likewise.
7689 * toplev.c (display_help): Add entry for "--param".
7690 (independent_decode_option): Fix typographical error.
7692 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7693 Bernd Schmidt <bernds@redhat.com>
7694 Jan Hubicka <jh@suse.cz>
7696 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7697 (function_arg): Likewise.
7699 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7701 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7703 2001-02-21 Kazu Hirata <kazu@hxi.com>
7705 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7709 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7711 * flow.c (init_propagate_block_info): Canon address and use single_set
7712 for killing dead memory stores.
7714 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7716 * Makefile.in (reorg.o): Add params.h dependence.
7717 * params.def: Fix typographical error in comment.
7718 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7719 * params.h: Modify introductory comment.
7720 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7721 * reorg.c: Add dependence on params.h.
7722 (redundant_insn): Add parameterized throttle for search.
7723 (fill_simple_delay_slots): Add a comment explaining a variable.
7724 Move conditional out of loop, simplifying code.
7725 (fill_eager_delay_slots): Fix typographical error in comment.
7727 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7729 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7731 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7732 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7734 2001-02-21 Jason Merrill <jason@redhat.com>
7736 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7737 (struct tree_decl): Add uninlinable bitfield.
7738 * c-decl.c (duplicate_decls): Set it.
7739 * integrate.c (function_cannot_inline_p): Check it.
7741 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7742 DW_AT_MIPS_linkage_name to abstract methods.
7743 (dwarf2out_abstract_function): Emit class context before calling
7744 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7745 (gen_subprogram_die): Remove obsolete code.
7746 (gen_member_die): Don't include clones in the member list.
7747 (gen_decl_die): Emit abstract info for clone origin.
7748 * dwarfout.c (output_type): Don't include clones in the member list.
7749 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7750 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7751 DECL_ABSTRACT on a function that already has it set.
7753 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7754 (get_subprogram_die): Pass it in.
7756 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7758 * flow.c (mark_set_1): Make not_dead unsigned long. For
7759 non-pseudos, use it as a bitmask of the hard regs that
7762 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7764 * cppfiles.c: Update comments.
7765 (_cpp_read_file): Don't check for NULL filenames any more.
7766 * cppinit.c (cpp_start_read): Don't do canonicalization of
7767 in_fname and out_fname. Use the passed file name exclusively.
7768 (_cpp_handle_options): Don't treat "-" as a command line option,
7769 but as a normal filename.
7770 (_cpp_post_options): Canonicalize in_fname and out_fname.
7771 * cppmain.c (printer_init): Don't check out_fname for NULL.
7772 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7773 (init_c_lex): Update, and use "" to represent stdin to CPP.
7776 2001-02-20 Will Cohen <wcohen@redhat.com>
7778 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7779 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7780 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7783 2001-02-20 Stan Shebs <shebs@apple.com>
7785 * config/rs6000/rs6000.c (output_cbranch): Output branches
7786 on separate lines instead of using ';' to separate.
7788 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7790 * cppinit.c (set_lang): Move builtin handling to...
7791 (init_builtins): ...here.
7792 (_cpp_create_reader): Move call to set_lang.
7794 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7796 * stmt.c (expand_return): If an attempt is made to return the
7797 error_mar_node, treat the return like a return without a value.
7799 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7801 * sibcall.c (skip_copy_to_return_value): Call
7802 identify_call_return_value here, and return orig_insn if it
7803 returns zero. Hardret and softret arguments now unnecessary.
7804 (call_ends_block_p): Don't call identify_call_return_value here.
7806 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7808 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7809 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7811 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7813 * pa.c (move_operand): Accept code to load the address of a
7814 symbol out of the DLT as a valid move operand.
7815 (print_operand, case 'A'): New to handle generating a DLT
7816 reference for a LO_SUM expression.
7817 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7818 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7820 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7822 * README, cpp.texi, gcc.texi, version.c: Update version number to
7824 * cpp.1, gcov.1, gcc.1: Regenerate.
7826 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7828 * cppfiles.c (stack_include_file): Generate dependencies
7829 here, and manage include_count here too.
7830 (PRINT_THIS_DEP): Delete.
7831 (_cpp_execute_include): Do not generate dependencies here,
7832 apart from the case of a missing header. Do not manage
7834 (_cpp_read_file): Leave dependency generation to
7837 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7839 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7840 target_cpu_default. Remove dead assignment to
7843 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7845 * regclass.c (contains_reg_of_mode): Make global.
7846 (init_reg_sets): Remove contains_reg_of_mode; take into account
7847 CLASS_MAX_NREGS when looking for the proper mode.
7848 (dump_regclass): Dump only classes considered for the pseudo.
7849 (regclass): Use contains_reg_of_mode.
7851 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7853 * gcc.c (do_spec_1): 'n' for printing notices.
7854 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7856 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7858 * reg-stack.c (next_flags_user): Use current_block->end
7859 (swap_rtx_condition): Look for next user if flags don't die;
7860 give up on CALL_INSNs; use current_block->end.
7862 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7864 * sibcall.c (call_ends_block_p): New function.
7865 (optimize_sibling_and_tail_recursive_call): Use it.
7867 2001-02-18 Kazu Hirata <kazu@hxi.com>
7869 * config/h8300/h8300.md: Update copyright.
7870 (andsi3): Do not output an extra newline character.
7872 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7874 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7875 FNDECL may be unused.
7877 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7878 follow jumps after first run.
7879 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7880 it doesn't change any jumps.
7882 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7884 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7885 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7886 (mostlyclean): Corresponding changes.
7887 * rtlanal.c (hard-reg-set.h): Include.
7888 (rtx_unstable_p): Do not treat the argument pointer specially
7889 if it is not a fixed register.
7890 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7892 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7894 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7895 against last real insn in basic block.
7896 Rework to avoid gotos.
7898 * Makefile.in (gcse.o): Now includes ggc.h.
7899 * gcse.c: Include ggc.h.
7900 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7901 (try_replace_reg): Remove warning of uninitialize variable.
7902 (process_insert_insn): Call invalid_insn_p to validate insn.
7903 * recog.c (insn_invalid_p): Now global.
7904 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7905 * recog.h (insn_invalid_p): New declaration.
7907 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7909 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7910 assignments from FP constants since 'Y' output code can't handle it.
7911 (eligible_for_sibcall_delay): Likewise.
7913 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7914 Call fancy_abort directly, passing args.
7915 (print_rtl_and_abort): Now a macro, like fancy_abort.
7917 * final.c (output_operand_lossage): Use internal_error, not error.
7919 2001-02-18 Shane Nay <shane@agendacomputing.com>
7921 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7922 structure shift insns.
7924 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7926 * invoke.texi (-fsquangle): Remove documentation.
7927 (-fname-mangling-version): Likewise.
7929 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7931 * optabs.c (expand_abs): Remove reference to
7932 HAVE_contitional_arithmetic.
7933 * combine.c (simplify_set): Likewise.
7935 2001-02-18 Richard Henderson <rth@redhat.com>
7937 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7940 2001-02-18 Richard Henderson <rth@redhat.com>
7942 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7944 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7946 * reload1.c (reload_cse_simplify_set): Fix typo.
7948 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7950 * diagnostic.c (_fatal_insn): Decrement errorcount.
7952 * invoke.texi (-I): Add note avoiding use for system header files.
7954 * rtl.h (add_clobbers): Remove duplicate declaration.
7955 * recog.h (added_clobbers_hard_reg_p): New declaration.
7956 * genemit.c (struct clobber_pat): New field has_hard_reg.
7957 (gen_insn): Record if added clobbers clobber hard reg.
7958 (gen_split): Avoid unused warning if number of operands is 0.
7959 (output_added_clobbers_hard_reg_p): New function.
7962 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7964 * pa.c (hppa_expand_prologue): Simplify code storing return
7965 pointer. For large (>=8k) frames with a post_store, adjust stack
7966 pointer by 8k-64 first rather than by 64. When testing with
7967 VAL_14_BITS_P, always use the actual value rather than the value
7968 negated. Add blockage to prevent scheduling of spills before
7969 stack frame has been created.
7970 (hppa_expand_epilogue): Simplify code loading return pointer.
7971 Allow a slightly larger range for merge_sp_adjust_with_load case.
7972 When testing with VAL_14_BITS_P, always use the actual value.
7974 * pa.c (pa_adjust_insn_length): Check that block move
7975 pattern is a set before looking at operands.
7977 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7979 * fold-const.c (fold_binary_op_with_conditional_arg): New
7980 function, split out from ...
7982 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7983 conditional arms that throw exceptions.
7985 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7988 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7990 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7991 define HAVE_DECL_* to 1 to mask potential backup declarations.
7992 * configure: Regenerated.
7994 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7996 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7998 2001-02-17 Richard Henderson <rth@redhat.com>
8000 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8001 when replacing a memory load with a register.
8003 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8004 Jan Hubicka <jh@suse.cz>
8006 * recog.c (validate_replace_src_1): New.
8007 (validate_replace_src_data): Likewise.
8008 (validate_replace_src): Use note_uses.
8009 * rtl.h (note_uses): Declare.
8010 * rtlanal.c (note_uses): New.
8012 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8014 * reg-stack.c (stack_def): Make field reg unsigned.
8015 (remove_regno_note): Unsignetize parameter.
8017 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8019 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8020 shladd_operand() call.
8022 2001-02-16 Bruce Korb <bkorb@gnu.org>
8023 Rodney Brown <RodneyBrown@mynd.com>
8025 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8026 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8027 machine restrictions
8028 * fixinc/fixincl.x: regen
8030 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8032 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8034 (hash_scan_insn): Clean up calls to hash_scan_set.
8035 (compute_kill_rd): REGNO now unsigned.
8036 (try_replace_reg): Rework to use simplify_replace_rtx.
8037 (cprop_jump, cprop_cc0_jump): Likewise.
8038 (cprop_insn): Call find_reg_equal_equiv_note.
8039 Reflect changes to cprop_jump and cprop_cc0_jump.
8041 * recog.c (validate_replace_src): Replace in operands of
8042 ZERO_EXTRACT in SET_DEST.
8044 * cse.c (new_label_ref): New variable.
8045 (insert): Set it instead of recorded_label_ref.
8046 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8047 CODE_LABEL for this function, and not already in REG_LABEL note.
8049 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8051 * resource.c (mark_referenced_resources): Fix typo in introductory
8053 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8056 2001-02-16 Jason Merrill <jason@redhat.com>
8058 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8060 (gen_subprogram_die): Don't abort on seeing a second definition if
8061 the previous one was abstract. Don't replace an abstract instance
8062 in the lookup table.
8064 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8065 gen_abstract_function.
8066 * dwarf2out.h: Declare it.
8067 * toplev.c (note_outlining_of_inline_function): New fn.
8068 * toplev.h: Declare it.
8069 * integrate.c (output_inline_function): Call it.
8070 * c-decl.c (duplicate_decls): Call it when redefining an extern
8071 inline. Don't inline the new defn.
8073 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8075 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8077 * .gdbinit: Rename to gdbinit.in.
8078 * gdbinit.in: New file,
8079 * configure.in: Generate .gdbinit from gdbinit.in.
8080 * configure: Regenerated.
8081 * Makefile.in (distclean): Always remove .gdbinit.
8083 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8085 * objc/objc-act.c (start_class): Register implemented_classes with
8088 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8090 * cppfiles.c (_cpp_make_system_header): Generate a file
8093 2001-02-15 Jim Meyering <meyering@lucent.com>
8095 * Makefile.in (install-common): Don't depend on installdirs here.
8096 Instead, make each of the lang.install-common targets (e.g.,
8097 c++.install-common in cp/Make-lang.in) depend on it.
8098 (install-driver): Depend on installdirs.
8100 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8102 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8104 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8107 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8109 * invoke.texi (--param): Document.
8111 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8113 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8115 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8117 * i386.md (extendsfdf2_2): Fix constraints.
8119 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8121 * i386.md (fop_df_3 splitter): Fix operand number.
8123 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8125 * invoke.texi (-mreg-alloc): Nuke.
8126 * i386.c (ix86_reg_alloc_order, regs_allocated,
8127 order_regs_for_local_alloc): Nuke.
8128 (override_options): Kill reg_alloc code.
8129 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8130 (REG_ALLOC_ORDER): SSE goes before I387.
8131 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8132 (ix86_reg_alloc_order): Likewise.
8133 * i386-protos.h (ix86_reg_alloc_order): Kill.
8135 2001-02-14 Richard Henderson <rth@redhat.com>
8137 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8139 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8141 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8143 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8145 * i386-protos.h (ix86_memory_move_cost): Move offline.
8146 * i386.c (ix86_register_move_cost): Compute properly cost of
8147 SSE, MMX and i387 instructions.
8148 (*_cost): Add costs of SSE/MMX moves.
8149 (ix86_memory_move_cost): Move offline from ....; Likewise.
8150 * i386.h (MEMORY_MOVE_COST): .... here;
8151 (struct processor costs): Add new fields to represent costs
8154 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8156 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8157 move_cost together with Matt Kraai's fix.
8159 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8161 * Makefile.in (OBJS): Add params.o.
8163 2001-02-14 Richard Henderson <rth@redhat.com>
8164 DJ Delorie <dj@redhat.com>
8166 * jump.c (jump_optimize_1): When we delete a conditional jump
8167 preceeding a non-conditional jump to effectively the same place,
8168 make sure that the combined jump skips any clobber insns between
8171 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8173 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8175 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8177 * Makefile.in (toplev.o): Depend on params.h.
8178 (intergate.o): Likewise.
8179 (params.o): New target.
8180 * flags.h (inline_max_insns): Remove.
8181 * integrate.c: Include params.h.
8182 Use MAX_INLINE_INSNS instead of inline_max_insns.
8183 * params.c: New file.
8184 * params.h: Likewise.
8185 * params.def: Likewise.
8186 * toplev.c: Include params.h.
8187 (lang_independent_params): New variable.
8188 (decode_f_option): Use the param machinery instead of setting
8190 (independent_decode_option): Handle "--param name=value".
8191 (main): Register language-independent parameters.
8193 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8195 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8197 2001-02-14 Richard Henderson <rth@redhat.com>
8199 * regclass.c (init_reg_sets_1): Revert last two changes.
8201 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8203 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8204 (variable_size): Call put_pending_size.
8205 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8206 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8207 sizes list, put newly created SAVE_EXPR there as well.
8209 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8211 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8212 (errata_find_address_regs): load_group has only 2 entries.
8213 (errata_emit_nops): Likewise. shladd is not problematic.
8214 Clear last_group if nop was emitted.
8215 (fixup_errata): load_group has only 2 entries.
8218 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8220 * c-lex.c (lex_number): Only warn traditionally for U suffix
8221 outside system macros.
8222 * cppexp.c (parse_number): Similarly.
8223 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8224 * cppmacro.c (struct cpp_macro): New member node.
8225 (parse_args): Only warn about missing rest args if not
8227 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8228 (cpp_sys_objmacro_p): New.
8229 (_cpp_create_definition): Store the node with the macro defn.
8230 Remember if the macro is defined in a system header.
8232 2001-02-13 DJ Delorie <dj@redhat.com>
8234 * configure.in (check_languages): determine languages to check
8235 * Makefile.in (check-c++): alias for check-g++
8236 (check-f77): alias for check-g77
8237 (CHECK_TARGETS): depend on configured languages
8239 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8241 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8242 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8243 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8244 (sqrtextendsfdf2): Disable for SSE2.
8246 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8248 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8249 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8250 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8251 (sqrtextendsfdf2): Disable for SSE2.
8253 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8255 * i386.md (movsfcc_1): Support integer cmove instruction.
8256 (movdfcc_1): Likewise; new splitter.
8258 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8260 * i386.c (output_fp_compare): Support SSE.
8261 (prepare_fp_compare_args): SSE comparisons always support memory.
8262 * i386.h (TARGET_CMOVE): SSE imply cmove.
8263 * i386.md (cmp?f2): Enable for SSE too.
8264 (cmpfp_i*): Support SSE.
8266 (cmpfp_i_sse_only): New.
8267 (s*, b* fp expanters): Enable for SSE too.
8268 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8271 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8273 * regclass.c (init_reg_sets_1): Silence warning.
8275 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8277 * i386.md (sqrt?f2): Change to expander.
8278 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8280 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8282 * rtlanal.c (find_reg_equal_equiv_note): New function.
8283 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8284 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8285 * rtl.h: Add declarations for above functions.
8287 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8289 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8291 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8292 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8293 * flow.c (mark_regs_live_at_end): Likewise.
8294 (calculate_global_regs_live): Likewise.
8295 * gcse.c (compute_hash_table): Likewise.
8296 (compute_kill_rd): Likewise.
8297 * resource.c (mark_target_live_regs): Likewise.
8298 * rtl.h (INVALID_REGNUM): New macro.
8300 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8302 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8304 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8306 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8309 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8311 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8313 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8314 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8315 (fop_sf_1_sse, fop_df_1_sse): New patterns
8316 (fop_*): Disable float_extend and float patterns for SSE compilation.
8317 * i386.c (output_387_binary_op): Support SSE.
8319 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8321 * i386.md (dummy_extendsfdf2): Support SSE2
8322 (extendsfdf2): Enable if 80387 or SSE2.
8323 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8324 and no MIX_I387_SSE2
8325 (extendsfdf2_1_sse_only): New pattern.
8326 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8328 (truncdfsf2_1): Support SSE.
8329 (truncdfsf2_2): Support SSE.
8330 (truncdfsf2_2_1_sse): New pattern.
8331 (fixtruncsfsi2): Always use SSE if available.
8332 (fix_truncsfsi_sse): New pattern.
8333 (fix_truncdfsi_sse): New pattern.
8334 (floatsis?f2): Support SSE.
8335 (floatsidf2_i387): New pattern.
8336 (floatsidf2_sse): Likewise.
8338 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8340 * configure.in: Use "have_gnat" variable, not "gnat".
8341 * configure: Regenerated.
8343 * config/sparc/sparc.c (function_value): Treat all non-record
8344 aggregate types like used to treat UNION_TYPE.
8346 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8348 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8349 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8351 (MASK_MIX_SSE_I387): New.
8352 (TARGET_SSE): SSE2 imply SSE.
8353 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8354 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8355 (enum reg_class): Add new classes.
8356 (REG_CLASS_NAMES): Likewise.
8357 (REG_CLASS_CONTENTS): Likewise.
8358 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8359 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8360 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8361 (CLASS_MAX_NREGS): Use new macros.
8362 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8363 * i386.md (pushsf, movsf): Support SSE.
8364 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8365 splitters to use ANY_FP_REGNO_P.
8366 (movdf_nointeger, movdf_integer): Likewise.
8368 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8370 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8371 (try_combine): Use it.
8373 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8375 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8376 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8377 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8378 (REGISTER_MOVE_COST): Likewise.
8379 * i386-protos.h (ix86_secondary_memory_needed,
8380 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8381 * i386.c (ix86_secondary_memory_needed,
8382 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8384 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8386 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8387 (HARD_REGNO_MODE_OK): Move offline to ....
8388 * i386.c (ix86_hard_regno_mode_ok) ... here;
8389 refuse all incorrect modes.
8390 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8392 2001-02-13 Richard Henderson <rth@redhat.com>
8394 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8395 entire operator; replicate that and match_dup the operands.
8396 (cmp_ccx_arith_op_set): Likewise.
8397 (cmp_cc_arith_op_not_set): Likewise.
8398 (cmp_ccx_arith_op_not_set): Likewise.
8400 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8402 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8404 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8406 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8407 (TARGET_NO_BITFIELD_WORD): New macro.
8408 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8409 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8411 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8413 * cselib.c: New file, from simplify-rtx.c.
8414 * simplify-rtx.c: Remove cselib parts.
8415 * Makefile.in: Add cselib.o.
8417 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8419 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8420 (setup_incoming_varargs): Remove warning.
8422 * config/rs6000/rs6000.c (validate_condition_mode): When
8423 flag_fast_math, allow floating-point conditionals to be reversed.
8424 (rs6000_generate_compare): When flag_fast_math, don't generate
8425 cror operations for FP conditionals.
8427 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8429 (ASM_SPEC): Likewise.
8430 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8431 (CC1_SPEC): Likewise.
8432 (LINK_TARGET_SPEC): Likewise.
8433 (CPP_ENDIAN_SPEC): Likewise.
8434 * Makefile.in (check-consistency): New target.
8436 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8438 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8439 "return type defaults" warning for functions with return type
8441 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8442 function declarations by default rather than only when pedantic.
8444 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8446 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8449 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8451 * extend.texi (Deprecated): Deprecate new initializer lists.
8453 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8455 * mkdeps.c (deps_add_default_target): Robustify. Add
8456 basename component only.
8457 * cpp.texi (-M): Describe how default target is generated.
8458 * invoke.texi (-M): Likewise.
8460 2001-02-12 Kazu Hirata <kazu@hxi.com>
8462 * toplev.c (push_float_handler): Remove.
8463 (pop_float_handler): Remove.
8464 * toplev.h: Remove prototypes for the above functions.
8466 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8468 * c-common.c (constant_fits_type_p): New function.
8469 (convert_and_check): Use it.
8471 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8473 * Makefile.in (GXX_ABI_FLAG): Don't define.
8474 * configure.in (--enable-new-gxx-abi): Remove option.
8475 * config.in: Regenerated.
8476 * configure: Likewise.
8478 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8480 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8482 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8483 regular basic block, and arrange for all edges into it to switch
8486 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8488 * Makefile.in (distclean): Do not remove .gdbinit.
8490 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8492 * Makefile.in (gcc.o): Fix typos.
8493 (protize.o): Likewise.
8494 (unprotoize.o): Likewise.
8496 2001-02-11 Richard Henderson <rth@redhat.com>
8498 * tree.c (build1): Check for null operand in last change.
8500 2001-02-11 Richard Henderson <rth@redhat.com>
8502 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8503 (fold): Don't assume a constant isn't foldable.
8504 * tree.c (build): Set TREE_CONSTANT for an expression with no
8505 side-effects and constant operands.
8508 2001-02-10 Richard Henderson <rth@redhat.com>
8510 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8512 2001-02-10 Anthony Green <green@redhat.com>
8514 * cpp.texi (Standard Predefined): Add documentation for
8517 * c-common.c (combine_strings): Improve warning message.
8519 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8521 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8523 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8525 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8527 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8530 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8532 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8535 2001-02-09 Nick Clifton <nickc@redhat.com>
8537 * config/arm/arm.md: Change output contraint on post inc
8538 load/store multiple patterns to be a read/write contraint.
8540 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8542 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8543 .o files when using the -M options.
8545 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8546 David Edelsohn <edelsohn@gnu.org>
8548 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8549 handle DImode constants. Use one TOC entry for SImode and smaller
8550 constants, aligned properly.
8552 2001-02-08 Jason Merrill <jason@redhat.com>
8554 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8555 about the SP adjustment for saving the static chain pointer.
8556 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8557 offset when setting a temporary CFA register.
8559 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8561 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8562 powerpc-*-chorusos* .
8563 * config/rs6000/chorus.h : New file.
8564 * config/i386/chorus.h : New file.
8565 * config/sparc/chorus.h : New file.
8566 * config/sparc/t-chorus-elf : New file.
8568 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8570 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8571 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8572 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8573 (__WCHAR_TYPE__): Correct macro name.
8575 2001-02-08 Richard Henderson <rth@redhat.com>
8577 * config/i386/i386.c (ix86_frame_pointer_required): New.
8578 (ix86_setup_frame_addresses): New.
8579 (struct machine_funciton): Add accesses_prev_frame.
8580 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8581 ix86_frame_pointer_required.
8582 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8583 (SETUP_FRAME_ADDRESSES): New.
8584 * config/i386/i386-protos.h: Update.
8585 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8586 from FRAME_POINTER_REQUIRED.
8587 * config/i386/svr3gas.h: Likewise.
8588 * config/i386/sysv3.h: Likewise.
8589 * config/i386/v3gas.h: Likewise.
8591 2001-02-08 Richard Henderson <rth@redhat.com>
8593 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8594 calculation of the number of integer registers required.
8595 (function_arg_record_value): Likewise.
8597 2001-02-08 Jason Merrill <jason@redhat.com>
8599 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8600 two. Print file and line with "confused" message.
8602 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8604 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8606 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8608 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8610 * final.c (cleanup_subreg_operands): The address of a MEM can
8613 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8616 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8618 * gcc.texi (Incompatibilities): Update documentation of
8619 preprocessing numbers.
8621 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8623 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8625 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8627 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8629 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8630 * gcc.c (struct compiler): Add cpp_spec field.
8631 (input_file_compiler): New variable.
8632 (do_spec_1): Allow a particular compiler to handle `%C'
8634 (main): Store the current compiler in input_file_compiler.
8635 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8637 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8639 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8640 * cppinit.c (cpp_create_reader): Initialize them.
8641 (append_include_chain): cxx_aware arg might be unused.
8642 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8643 keywords and give them their phase 7 meaning. Pedwarn about
8644 this unless '__bool_true_false_are_defined' is defined.
8646 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8648 * lcm.c (optimize_mode_switching): Emit mode_set before the
8649 JUMP_INSN of an abnormal edge.
8651 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8653 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8654 a scheduling barrier at the end.
8656 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8658 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8660 * config/sh/sh.md (reload_outsf): Removed.
8661 (movsf_ie): Introduce constraints for FPUL loads and stores.
8662 (reload_insf): Broaden the output constraint.
8664 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8666 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8667 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8669 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8671 * final.c: Revert my previous changes.
8672 * output.h: Make profile_label_no extern.
8673 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8674 for generating label.
8676 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8678 * config/i386/djgpp.h: Add comments about standard paths.
8679 (MD_EXEC_PREFIX): Undefine before defining.
8680 (MD_STARTFILE_PREFIX): New.
8682 2001-01-30 Bruce Korb <bkorb@gnu.org>
8684 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8685 (load_file): do not rely on load_file_data() to close file pointer
8686 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8687 fixinc/inclhack.def(irix_limits_const): add test_text
8689 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8691 * cppexp.c (parse_defined): Improve diagnostics for invalid
8694 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8696 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8698 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8700 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8701 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8702 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8703 (rs6000_output_symbol_ref): New function.
8704 (output_toc): Use VTABLE_NAME_P.
8706 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8708 * print-tree.c (print_node, case PARM_DECL):
8709 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8711 * stor-layout.c (reference_types_internal): New variable.
8712 (internal_reference_types): New function.
8713 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8714 * tree.h (internal_reference_types): New declaration.
8716 * cse.c (find_best_addr): Fix typo in computing cost.
8718 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8720 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8721 and this is the sum of a pointer and a constant, we know the result
8723 (num_sign_bit_copies, case PLUS): Likewise.
8724 * explow.c (convert_memory_address): Remove opposite SUBREG.
8725 * function.c (instantiate_new_reg): New function (from common code).
8726 (instantiate_virtual_regs_1): Call it.
8727 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8728 if pointers sign- or zero-extend.
8729 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8730 If pointers extend unsigned, use inside of SUBREG.
8731 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8733 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8735 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8736 subdir of gcc_gxx_include_dir.
8737 (gcc_gxx_target_include_dir): Remove.
8739 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8741 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8742 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8743 a high-level description.
8745 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8747 * final.c: Move the declaration of profile_label_no to ...
8748 * output.h: ... here.
8749 * function.c (expand_function_start): Call PROFILE_HOOK.
8750 * config/rs6000/aix.h: Define PROFILE_HOOK.
8751 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8752 * config/rs6000/rs6000.c (output_profile_hook): Define.
8753 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8754 output_profile_hook.
8755 tm.texi : Explain new macro PROFILE_HOOK.
8757 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8759 * extend.texi (Extended Asm): Do not say that semicolon is always
8760 a valid line-breaking character for GNU assemblers. Use
8761 newline-tab as the most commonly supported syntax. Use
8762 newline-tab rather than semicolon in multi-insn examples.
8764 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8766 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8768 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8769 David Edelsohn <edelsohn@gnu.org>
8771 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8772 code for AIX, even without flag_pic.
8774 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8776 * c-typeck.c (common_type): push and pop binding level around
8777 calling common_type on function parameters.
8779 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8781 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8783 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8785 * config/mips/mips.c (override_options): Fix typo in last change.
8786 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8787 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8789 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8791 * invoke.texi (-fdump-class-layout): Document.
8792 (-fdump-translation-unit): Use `=' as filename separator.
8794 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8796 * Makefile.in (s-mlib): Don't build multilibs if
8798 (DRIVER_DEFINES): Adjust accordingly.
8800 (protoize.o): Likewise.
8801 (unprotoize.o): Likewise.
8802 * configure.in: Recognize --enable-multilib.
8804 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8806 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8808 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8809 * configure.in: Remove --enable-libstdcxx_v3 support.
8810 * configure: Regenerated.
8812 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8814 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8815 Call abort instead of fatal.
8816 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8817 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8818 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8819 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8820 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8821 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8823 * diagnostic.h (set_internal_error_function): Renamed.
8824 * toplev.h (internal_error): Renamed from fatal.
8825 (pfatal_with_name): Deleted.
8826 (fatal_io_error): Now has printf-style arguments.
8827 * diagnostic.c (pfatal_with_name): Deleted.
8828 (fatal_io_error): Rework to have args in printf-style.
8829 (set_internal_error_function): Renamed from set_fatal_function.
8830 (internal_error): Renamed from fatal.
8831 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8832 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8833 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8834 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8835 * flow.c (verify_flow_info): Likewise.
8836 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8837 * config/mips/mips.c (save_restore_insns): Likewise.
8839 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8840 * flow.c (verify_flow_info): Likewise.
8841 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8842 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8843 (avr_normalize_condition): Likewise.
8844 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8845 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8846 (limit_reload_class, double_reg_to_memory): Likewise.
8847 (print_operand_address, emit_1600_code_shift): Likewise.
8848 (gen_tst_reg, gen_compare_reg): Likewise.
8849 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8850 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8852 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8854 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8855 * objc/objc-act.c (build_ivar_chain): Likewise.
8856 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8858 * graph.c (clean_graph_dump_file): Likewise.
8859 * profile.c (init_branch_prob): Likewise.
8860 * objc/objc-act.c (objc_init): Likewise.
8862 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8863 * config/avr/avr.c (avr_override_options): Likewise.
8864 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8865 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8866 * config/h8300/h8300.c (h8300_init_once): Likewise.
8867 * config/mips/mips.c (override_options): Likewise.
8868 * config/i386/i386.c (override_options): Likewise, rework.
8869 * config/m68k/m68k.c (override_options): Likewise.
8871 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8873 * config/mips/mips.c (print_operand): Likewise.
8874 * hash.c (hash_allocate): Don't check for failure returns from
8875 obstack functions that can't fail.
8876 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8877 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8878 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8879 (get_object_reference): Likewise.
8881 2001-02-04 Nick Clifton <nickc@redhat.com>
8883 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8884 StrongARM1110, 10TDMI, and 1020T.
8886 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8888 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8890 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8892 * config/sh/sh.md (movdf load split): Pass register number to
8893 FP_OR_XD_REGISTER_P.
8895 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8897 * cppinit.c (BC): New macro.
8898 (builtin_array): Add __GXX_WEAK__.
8899 * cpplib.h (builtin_type): Add BT_WEAK.
8900 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8901 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8902 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8904 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8906 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8908 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8910 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8911 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8913 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8915 * cpphash.h: Rename ALIGN _ALIGN.
8916 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8918 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8920 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8921 compilation environment.
8922 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8923 control over location of cygwin includes and libs.
8925 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8927 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8929 2001-02-02 lars brinkhoff <lars@nocrew.org>
8931 * md.texi (Standard Names): remove reference to spur.md.
8933 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8935 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8936 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8937 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8938 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8939 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8941 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8943 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8944 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8945 number before reload.
8946 (c4x_adjust_cost): Return zero before reload.
8947 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8948 split before reload.
8950 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8952 * c4x.c (c4x_hard_regno_rename_ok): New.
8953 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8954 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8956 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8958 * diagnostic.h: Add missing "extern" in all declarations.
8960 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8962 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8963 as for gcc_gxx_include_dir.
8965 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8967 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8969 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8971 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8972 label before alignment to be used as the braf base address.
8973 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8975 (casesi_jump_2): Require at least TARGET_SH2.
8977 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8978 truncation to 32-bit doubles on -m3e and -m4-single-only.
8980 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8982 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8983 the default when building a shared object.
8984 (init_spec): Use it.
8985 * testsuite/lib/g++.exp: Include the directory where libgcc
8986 is located to the LD_LIBRARY_PATH list.
8987 * invoke.texi (-shared-libgcc): Document the cases in which
8988 GCC defaults to using the shared libgcc.
8990 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8992 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8993 unsigned is wide enough.
8995 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8996 (si_to_float): Likewise.
8997 (float_to_si, float_to_usi): Use BITS_PER_SI.
8999 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9001 * dwarf2out.c: Added explanation of abbreviations.
9002 (def_cfa_1): Added comments listing DWARF2 instructions.
9003 (cfa_temp_reg): Removed in favor of cfa_temp.
9004 (cfa_temp_value): Removed in favor of cfa_temp.
9005 (cfa_temp): New global variable.
9006 (dwarf2out_frame_debug_expr): Added extensive introductory
9007 comments explaining the function's transformations. Revised to
9008 use cfa_temp. Added some rtx checking. Generalize IOR case.
9009 (dwarf2out_frame_debug): Revised to use cfa_temp.
9010 (output_aranges): Cast as "unsigned" to avoid warning.
9011 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9012 explain which instructions must be marked.
9014 2001-02-01 Richard Henderson <rth@redhat.com>
9016 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9019 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9021 * config/sh/crt1.asm (main_k): Modified so that start calls
9022 ___setup_argv_and_call_main.
9024 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9026 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9027 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9028 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9029 * cppmacro.c (builtin_macro): Set builtin flags here.
9030 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9031 (replace_args): Clarify intent.
9032 (cpp_get_token): Macro expansion tokens get the saved flags.
9034 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9037 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9039 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9042 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9044 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9045 returns Pmode pseudo, but we need ptr_mode.
9046 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9047 Remove bogus conversions; use HOST_WIDE_INT for size.
9048 Don't use TARGET if wrong mode.
9050 * config/i386/i386.c (ix86_compute_frame_size): Allow
9051 stack_alignment_needed to be non-default even if size is zero.
9053 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9055 * pa.c (hppa_init_pic_save): New function.
9056 * pa.h (hppa_init_pic_save): Declare.
9057 * pa.md (call, call_value, sibcall, sibcall_value): Use
9058 the above instead of duplicated code.
9060 * pa.c (hppa_encode_label): Correct size of alloca buffer
9061 so we don't overrun it. Correct leading `*' case.
9062 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9063 need to handle `*@'.
9064 (FUNCTION_NAME_P): Likewise.
9066 2001-01-31 Richard Henderson <rth@redhat.com>
9068 * config.gcc (alpha-osf5): Use float-i128.h.
9070 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9071 * config/float-i32.h: Likewise.
9072 * config/float-i64.h: Likewise.
9073 * config/float-sh.h: Likewise.
9074 * config/float-sparc.h: Likewise.
9076 2001-01-31 DJ Delorie <dj@redhat.com>
9078 * expmed.c (extract_bit_field): allow non-integral modes if we
9079 want to extract a whole register from itself.
9081 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9083 * c-typeck.c (set_init_index): If first is equal to last, assume as
9084 if it was not a range at all.
9086 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9088 * config/fp-bit.c: Include tm.h.
9089 (float_to_si): Don't assume SImode is 32-bits wide.
9090 (float_to_usi): Likewise.
9092 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9094 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9096 (typename): Call pending_xref_error after parsing typed_typespecs.
9097 * c-decl.c (lookup_tag): Give error immediately rather than
9098 leaving it pending if the tag of the wrong type is in the same
9100 (xref_tag): Don't pedwarn for forward declarations of enum types
9102 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9105 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9107 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9109 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9111 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9112 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9114 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9116 * cpphash.h (struct cpp_reader): New saved_flags.
9117 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9118 to avoid a paste after a pasted token.
9120 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9122 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9123 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9124 Wtype_MIN instead of LONG_MIN.
9126 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9128 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9130 * fixinc/fixincl.x: Regenerated.
9131 * fixinc/inclhack.def (irix_limits_const): New definition to
9132 convert "const" to "__const" in limits.h.
9134 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9136 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9138 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9140 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9141 when register dies in the insn.
9143 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9145 * diagnostic.c (fatal): Fix word wrap.
9147 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9149 * combine.c (try_combine): Fix SUBREG setting for
9150 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9152 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9154 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9157 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9159 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9161 * toplev.c (decode_W_option): Update warn_larger_than
9162 unconditionally for each processed switch.
9164 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9166 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9168 (hppa_expand_prologue): Delete code to save pic offset table register
9169 in the function prologue.
9170 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9171 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9172 table register at the beginning of the function after the prologue.
9174 2001-01-29 lars brinkhoff <lars@nocrew.org>
9176 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9178 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9179 Jeff Law <law@redhat.com>
9181 * pa.md (return): Revise comment for trivial return.
9182 (return_internal): Non-trivial return pattern for non-PIC code.
9183 (return_internal_pic): Non-trivial return pattern for PIC code.
9184 It uses the PIC register to ensure it is restored after
9186 (epilogue): Generate appropriate return for PIC and non-PIC code.
9188 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9190 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9192 2001-01-29 DJ Delorie <dj@redhat.com>
9194 * combine.c (if_then_else_cond): Pass the correct mode to
9195 operand_subword() for constants.
9197 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9199 * config/i386/cygwin.h: Add w32api to include search. Search different
9200 directories in a cross-build environment.
9202 2001-11-29 Tim Josling <tej@melbpc.org.au>
9204 * tree.h (TYPE_STUB_DECL): Add documentation.
9206 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9208 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9209 (sdbout_field_types): Likwise. Fix use of host_integerp.
9211 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9213 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9216 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9218 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9219 to use flag_gnu_linker.
9221 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9223 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9224 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9226 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9228 * tree.c, tree.h (build_parse_node): Remove; was identical to
9230 * c-lang.c (start_cdtor), objc/objc-act.c
9231 (build_module_descriptor): Use build_nt instead of
9234 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9236 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9237 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9238 not have any upper bits set.
9240 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9242 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9244 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9246 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9248 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9250 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9251 (integer_minus_one_node): Define.
9253 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9255 * Makefile.in (bootstrap2-lean): Fix typo.
9257 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9259 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9260 : Don't set fe_value.
9261 * cpplib.h (AVOID_LPASTE): New flag.
9262 (struct cpp_hashnode): Remove fe_value.
9263 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9264 * cppmacro.c (builtin_macro): Don't set flags here.
9265 (replace_args): Set AVOID_LPASTE flag on first token of an
9266 argument, and the token following it.
9267 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9268 macro expansion, and on the token following it. Do it for
9270 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9272 2001-01-27 Richard Henderson <rth@redhat.com>
9274 * config/alpha/t-ieee: Remove multilibbing.
9275 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9277 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9279 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9281 * Makefile.in: Remove all dependencies on defaults.h.
9282 * builtins.c: Don't include defaults.h.
9283 * c-common.c: Likewise.
9284 * c-decl.c: Likewise.
9285 * c-pragma.c: Likewise.
9286 * c-typeck.c: Likewise.
9287 * combine.c: Likewise.
9289 * frame-ia64.c: Likewise.
9290 * cppexp.c: Likewise.
9291 * crtstuff.c: Likewise.
9292 * dbxout.c: Likewise.
9293 * dwarf2out.c: Likewise.
9294 * dwarfout.c: Likewise.
9295 * emit-rtl.c: Likewise.
9296 * except.c: Likewise.
9298 * final.c: Likewise.
9299 * frame-dwarf2.c: Likewise.
9300 * libgcc2.c: Likewise.
9301 * optabs.c: Likewise.
9302 * profile.c: Likewise.
9303 * sdbout.c: Likewise.
9304 * toplev.c: Likewise.
9305 * tradcif.y: Likewise.
9307 * varasm.c: Likewise.
9309 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9311 * builtins.c (expand_builtin_fputs): Use size_one_node when
9312 transforming into fwrite.
9314 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9316 * extend.texi (Attribute Syntax): New section.
9318 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9320 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9321 they didn't need fixing.
9323 2001-01-27 Janis Johnson <janis@us.ibm.com>
9325 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9327 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9328 to remove macro definitions that are duplicated from elfos.h.
9330 2001-01-27 Richard Henderson <rth@redhat.com>
9332 * config/i386/sco5gas.h: Move ...
9333 * config/usegas.h: ... here.
9334 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9336 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9338 * c-typeck.c (struct constructor_stack): Add range_stack member.
9339 (really_start_incremental_init): Clear it.
9340 (push_init_level): Save constructor_range_stack and clear it if
9341 pushing explicit braces.
9342 (pop_init_level): abort if constructor_range_stack is non-zero at
9343 explicit closing brace. Restore saved constructor_range_stack if
9346 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9348 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9349 into register was forced into memory.
9351 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9353 * Makefile.in: Remove uses of + before $(MAKE).
9355 2001-01-26 Richard Henderson <rth@redhat.com>
9357 * stmt.c (cost_table): Remove.
9358 (COST_TABLE, cost_table_initialized): New.
9359 (estimate_case_costs): Use the later instead of the former.
9360 (balance_case_nodes): Likewise.
9362 2001-01-26 Richard Henderson <rth@redhat.com>
9364 * alias.c (objects_must_conflict_p): Read-only slots may not
9365 conflict despite having the same type.
9367 2001-01-27 Michael Hayes <mhayes@redhat.com>
9369 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9371 (check_ext_dependant_givs): Initialise u_start_val and
9373 (load_mems): Make last_max_reg unsigned.
9374 (try_swap_copy_prop): Use INSN_P and initialise set.
9376 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9378 * README.AVR : Removed.
9380 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9382 * pa-64.h (text_section): Remove declaration.
9384 * pa.md (return_internal): Remove mode on PIC register use.
9386 2001-01-25 lars brinkhoff <lars@nocrew.org>
9388 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9389 ASM_CLOSE_PAREN): fix typos.
9391 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9393 * acconfig.h: Define `const' to the empty string if neither
9394 __STDC__ nor __cplusplus is defined.
9395 * config.in: Regenerated.
9397 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9399 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9400 * collect2.c (main): Delete importf. Add ".obj" file extension.
9401 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9402 (aix_std_libs): Add additional AIX libraries to skip.
9403 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9404 * config/rs6000/aix51.h: New file.
9406 2001-01-25 Michael Hayes <mhayes@redhat.com>
9408 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9409 (loop_insn_emit_before): No longer static.
9410 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9411 (loop_givs_rescan, load_mems): Likewise.
9412 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9413 (maybe_eliminate_biv_1):
9414 (move_movables): Replace emit_call_insn_before with
9415 loop_call_insn_hoist.
9416 * loop.h (loop_insn_emit_before): Add.
9417 * unroll.c (copy_loop_body): Replace emit_insn_before with
9418 loop_insn_emit_before.
9420 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9422 * diagnostic.c (fatal): Request preprocessed source.
9424 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9426 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9427 olddecl has argument types and newdecl has none, use the argument
9430 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9432 * dwarf2out.c (prefix_of): New function. Determine longest common
9433 prefix of the two arguments. The units are whole path components.
9434 (output_file_names): When adding a new directory find the one entry
9435 with the longest common prefix already in the list. Artificially
9436 generate entry if there is none for this prefix.
9437 Fix test to check whether the zeroth directory entry is used.
9439 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9441 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9442 Changed all callers. Take it into account when deciding if a
9443 previously loaded value matches.
9445 2001-01-24 Richard Henderson <rth@redhat.com>
9447 * reload.c (find_reloads_subreg_address): Fail the substitution
9448 if the resulting address is insufficiently aligned.
9450 2001-01-24 DJ Delorie <dj@redhat.com>
9452 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9453 check the original operand's mode also.
9454 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9456 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9458 * c-parse.in (cast_expr): Move compound literals from here ...
9459 (primary): ... to here. Use standard terminology "compound
9460 literal" instead of "constructor expression".
9462 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9464 * gcc.1, cpp.1: Regenerate.
9466 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9468 * calls.c (emit_library_call_value_1): Memory slot for
9469 pass-by-reference argument should have the mode of the argument,
9470 not of the pointer to it.
9472 2001-01-24 Tom Tromey <tromey@redhat.com>
9474 * gcc.texi (G++ and GCC): Mention gcj manual.
9475 (Standards): Link to section of manual mentioning gcj/Java
9478 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9480 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9481 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9482 * tradcpp.c (main): Add -imacros or -include'd dependencies
9484 * cpp.texi (-M, -MM): Document -M -include behaviour.
9486 2001-01-24 Roger Collins <roger@ProProject.com>
9488 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9490 2001-01-24 Will Cohen <wcohen@redhat.com>
9492 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9493 whether registers are 32 bits or 64 bits in size.
9495 2001-01-24 Ben Elliston <bje@redhat.com>
9497 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9499 2001-01-24 Richard Henderson <rth@redhat.com>
9501 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9502 (builtin_longjmp): Use it instead of emit_indirect_jump.
9504 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9506 * bb-reorder.c (make_reorder_chain_1): Handle case where
9507 jump edge goes to the same block as the fallthru edge.
9509 2001-01-23 Jim Wilson <wilson@redhat.com>
9511 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9512 * frame.h (__ia64_personality_v1): Add prototype.
9513 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9514 prototype form. Add void * cast to first argument to personality
9516 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9517 (asctoe113): Likewise.
9518 * config/ia64/frame-ia64.c: Include eh-common.h.
9519 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9521 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9523 (itanium_split_issue): Add prototype.
9524 (gen_nop_type): Ifdef out.
9525 (find_best_packet): Initialize best_packet.
9526 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9528 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9529 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9530 (flushrs): Add explicit stop bit at end.
9531 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9534 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9536 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9538 * libgcc2.c (__terminate_func): Make variable static.
9539 (__terminate_set_func): New function to set __terminate_func.
9540 * libgcc2.h (__terminate_func_ptr): New typedef.
9541 (__terminate_set_func): New function.
9543 2001-01-23 Richard Henderson <rth@redhat.com>
9545 * flow.c (init_propagate_block_info): Don't consider unchanging
9546 memories for dead frame store elimination.
9548 2001-01-23 Richard Henderson <rth@redhat.com>
9550 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9551 * defaults.h: ... here.
9553 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9555 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9557 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9559 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9561 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9563 * rs6000.h (rs6000_return_addr): Move prototype from here...
9564 * rs6000-protos.h (rs6000_return_addr): ...to here.
9565 (rs6000_init_expanders): Delete prototype.
9567 2001-01-23 Nick Clifton <nickc@redhat.com>
9569 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9570 (Spec Files): Document %B and %j and %. and %v3 and %M and
9571 %{S*&T} spec switches.
9573 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9575 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9577 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9578 Neil Booth <neil@daikokuya.demon.co.uk>
9580 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9581 Have -Werror make pedantic warnings errors, like the
9584 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9586 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9588 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9590 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9591 * integrate.c (expand_inline_function): Initialize them.
9592 (subst_constants): If changing COMPARE so that both its arguments
9593 will be VOIDmode and the comparison mode will be lost, note
9594 compare_mode. Use the recorded compare_mode to optimize
9597 2001-01-23 Jason Merrill <jason@redhat.com>
9599 * dwarf2out.c (new_die): Use xcalloc.
9600 (output_die): Abort rather than emit a local reference to offset 0.
9602 2001-01-17 Andrew Haley <aph@redhat.com>
9604 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9605 of a saved register; return NULL instead.
9606 (copy_reg): Take a pointer to a source register rather than a
9608 (next_stack_level): Remember the address in the stack frame of all
9610 Use the saved register pointer array as the source of the CFA.
9611 (throw_helper): Rewrite. Unwind once rather than twice and keep
9612 track of saved registers as we go.
9614 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9616 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9617 * c4x.c (c4x_legitimize_reload_address): Remove.
9618 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9619 reload address for ldp(k) insn.
9621 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9623 * pa.md (return_internal): Add a USE of the PIC register to ensure
9624 it is restored after each call.
9625 (return expander): Corresponding changes.
9627 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9629 * rs6000.h (INIT_EXPANDERS): Delete.
9630 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9631 * rs6000.c (rs6000_override_options): Call *_machine_status from
9633 (rs6000_init_expanders): ...instead of here. Delete.
9634 (rs6000_mark_machine_status): New function.
9635 (rs6000_init_machine_status): Use xcalloc.
9636 (rs6000_return_addr): Generate RTX for the return address.
9637 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9638 (rs6000_stack_info): Use it.
9640 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9642 * gthr-win32.h: Include errno.h to get a declaration for
9643 EINVAL and _mingw.h if the target is mingw32.
9645 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9647 * cpp.texi: Correct typos.
9649 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9651 * explow.c (probe_stack_range): Ensure value passed to
9652 stack_check_libfunc is ptr_mode, not Pmode.
9654 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9656 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9657 case, don't use operand_subword to calculate a SUBREG that is
9660 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9662 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9664 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9665 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9666 valid. If not replace it by equivalent insns.
9668 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9670 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9671 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9672 (c4x_U_constraint, symbolic_address_operand): Likewise.
9673 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9675 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9676 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9677 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9678 anulling slot because of silicon bug.
9679 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9681 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9683 * cppexp.c (parse_charconst): Change `mask' type to agree
9686 2001-01-21 Richard Henderson <rth@redhat.com>
9688 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9689 pic_label_name in a linkonce section.
9691 2001-01-17 Philipp Thomas <pthomas@suse.de>
9693 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9695 * configure: Regenerate.
9697 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9699 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9700 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9702 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9704 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9705 If REVERSE nonzero then condition code in X must be reversed.
9706 (encode_section_info): Optimise if/else.
9707 (avr_function_value): Fix formatting.
9709 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9710 (difficult_branch): Likewise.
9711 (rvbranch): Likewise.
9712 (difficult_rvbranch): Likewise.
9714 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9716 * config/avr/libgcc.S: Fix comment.
9718 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9720 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9722 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9724 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9726 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9728 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9729 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9730 * configure, config.in: Regenerate.
9731 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9732 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9733 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9734 (doprint.o): New rule.
9736 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9738 * c-typeck.c (digest_init): Handle boolean types as scalars.
9740 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9742 * stmt.c (expand_return): Don't return anything if size is zero.
9743 Delete redundant assignment to BYTES.
9744 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9746 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9748 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9749 the same as the default library function names.
9750 * config/avr/avr.md: Document special characters after '%'.
9751 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9752 knowing which of the call-used registers are really clobbered.
9753 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9754 New. Both quotient and remainder from one libgcc.S call.
9755 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9756 clobber as few registers as possible.
9757 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9759 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9761 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9762 context of the top of the stack.
9764 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9766 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9767 (fixup_var_refs_insns): ...here.
9769 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9771 * function.c (fixup_var_refs_insns): Break up into
9772 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9773 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9774 [loop over hash table entries].
9775 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9776 fixup_var_refs_insns_with_hash, to match above changes.
9778 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9780 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9781 (libgcc.a): Likewise.
9782 (stmp-multilib): Likewise.
9783 (STAGE2_FLAGS_TO_PASS): Likewise.
9785 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9787 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9788 temporary if no_new_pseudos.
9790 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9792 * cppinternals.texi: Update.
9794 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9796 * arm.c (arm_init_builtins): Re-enable builtins.
9798 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9800 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9801 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9802 element to be null, and always expect an EXPR_LIST.
9803 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9804 * sched-deps.c (sched_analyze_1): Likewise.
9805 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9807 * regclass.c (max_set_parallel): New variable.
9808 (reg_scan): Take it into account in computation of max_parallel.
9809 (reg_scan_mark_refs, case SET): Compute it.
9811 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9813 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9814 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9816 2001-01-19 Jason Merrill <jason@redhat.com>
9818 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9819 for the abstract instance of an inline function.
9821 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9822 J"orn Rennecke <amylaar@redhat.com>
9824 * reload1.c (move2add_note_store): Treat all registers directly or
9825 indirectly derived from a base register as members of the same set
9827 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9828 of base register into account.
9830 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9832 * alias.c (find_base_value): Recognize TRUNCATE.
9833 (record_set): In PLUS case, invalidate if other summand is also a
9836 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9838 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9839 entry to be EXPR_LIST.
9840 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9841 be an EXPR_LIST (but not null, which other code doesn't allow).
9842 (note_stores): Properly handle PARALLEL in SET.
9843 Recursively call for top-level PARALLEL.
9844 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9845 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9847 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9849 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9851 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9852 not pfile->skipping (== 0).
9854 2001-01-17 Nick Clifton <nickc@redhat.com>
9856 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9859 2001-01-17 Jim Wilson <wilson@redhat.com>
9861 * invoke.texi (IA-64 options): Improve.
9863 2001-01-17 Tom Tromey <tromey@redhat.com>
9865 * invoke.texi (Optimize Options): Use `{}' to around @samp
9868 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9870 * invoke.texi (-fno-guess-branch-probability): New option.
9872 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9874 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9875 case of making new double-word constant.
9876 Revert last change: instead just test i3_subst_into_i2.
9878 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9880 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9881 Use q constraints instead of r.
9883 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9885 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9886 (machine_function): Define.
9887 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9888 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9889 pa_free_machine_status): New functions.
9890 (override_options): Set {init,mark,free}_machine_status to above.
9891 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9892 PIC_OFFSET_TABLE_REGNUM_SAVED.
9893 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9894 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9895 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9896 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9897 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9899 2001-01-15 DJ Delorie <dj@redhat.com>
9901 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9905 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9907 * flow.c (propagate_one_insn): Make trying to delete a prologue
9908 or epilogue insn an ICE, not a warning. Allow doing this if
9909 the current function returns with stack pointer depressed.
9911 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9912 I3 having more than one SET.
9914 2001-01-16 Jim Wilson <wilson@redhat.com>
9916 * invoke.texi: Document IA-64 options.
9918 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9919 (fixup_errata): Delete TARGET_A_STEP use.
9920 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9921 (TARGET_SWITCHES): Delete -ma-step option.
9922 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9923 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9924 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9925 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9926 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9927 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9929 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9930 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9931 cmovsi_internal): Delete ! TARGET_A_STEP check.
9933 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9935 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9936 possibility to report bugs via postal mail. Change a URL and
9937 merge in a nearly duplicate statement...
9938 (Bug Reporting): ...from here.
9939 (Service): Refer to the Bug Reporting section instead of
9941 (Contributing): Remove trivial explanations concerning snapshots.
9943 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9945 * cppmain.c (general_init): Don't use ANSI prototype.
9947 2001-01-16 Tom Tromey <tromey@redhat.com>
9949 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9951 2001-01-16 Richard Henderson <rth@redhat.com>
9953 * config/i386/i386.h: Fix comment typo.
9954 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9955 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9957 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9959 * gcc.c: Revert previous -fsyntax-only-related change; move
9962 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9964 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9965 inmode after checking GET_CODE (op).
9967 2001-01-16 Richard Henderson <rth@redhat.com>
9969 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9970 (MAX_MEM_SET_LIST_LEN): New.
9971 (propagate_one_insn): Update mem_set_list_len.
9972 (invalidate_mems_from_autoinc): Likewise.
9973 (invalidate_mems_from_set): Likewise.
9974 (mark_used_regs): Likewise.
9975 (init_propagate_block_info): Likewise. Stop collecting memories
9976 when we reach MAX_MEM_SET_LIST_LEN.
9977 (mark_set_1): Likewise.
9979 2001-01-16 Richard Henderson <rth@redhat.com>
9981 * unroll.c (precondition_loop_p): Fail if no iteration
9984 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9986 * gcc.c: When -fsyntax-only is given, do not complain about
9989 2001-01-15 Richard Henderson <rth@redhat.com>
9991 * config/i386/i386.c (asm_output_function_prefix): Remove.
9992 (ix86_asm_file_end): New.
9993 (load_pic_register): Generate pic_label_name into a
9994 staticly allocated buffer.
9995 * config/i386/i386-protos.h: Update.
9996 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9997 (ASM_FILE_END): New.
9998 * config/i386/i386afe.h: New file.
9999 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10000 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10001 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10002 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10003 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10004 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10005 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10007 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10009 * Makefile.in (install-man): Remove explicit dependency on
10012 * configure.in, configure: Revert previous patch requiring perl
10015 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10017 * toplev.c (flag_guess_branch_prob): New.
10018 (f_options): Add guess-branch-probability option.
10019 (rest_of_decl_compilation): Only estimate branch probability if
10021 (main): set flag_guess_branch_prob.
10023 * flags.h (flag_guess_branch_prob): New.
10025 2001-01-15 DJ Delorie <dj@redhat.com>
10027 * gcc.texi (Makefile): Add documentation for Makefile targets.
10029 2001-01-15 Philip Blundell <philb@gnu.org>
10031 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10033 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10034 (is_pic): Delete declaration.
10035 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10036 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10037 * config/arm/arm.md (builtin_setjmp_receiver): New.
10039 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10041 * arm.c (use_return_insn): Don't try to determine the function type
10042 until after reload has completed.
10043 (arm_output_epilogue): Don't adjust the sp value recovered from the
10045 (emit_multi_reg_push): Don't record dwarf information for the pc.
10046 * arm.md (eh_epilogue): The function type may have changed, so it
10047 needs to be recalculated.
10048 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10049 unwind tables on arm/netbsd.
10051 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10053 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10054 (negated_cbranchsi4): Likewise.
10056 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10058 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10059 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10060 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10061 pass -mapcs-* options to assembler.
10062 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10063 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10064 (ASM_SPEC): Call subtarget_extra_asm_spec.
10066 2001-01-15 Andreas Jaeger <aj@suse.de>
10068 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10070 (ix86_expand_builtin): Likewise.
10072 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10073 warning about comparison between signed and unsigned.
10075 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10077 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10079 2001-01-14 Ralf Baechle <ralf@gnu.org>
10081 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10082 SUBTARGET_CPP_SPEC apropriatly.
10084 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10086 * varasm.c (make_decl_rtl): Fix typo in last change.
10088 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10090 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10091 linker supports the init_priority C++ attribute.
10092 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10093 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10094 linker does not support init_priority C++ attribute.
10096 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10098 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10100 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10102 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10103 * cp/lex.c (finish_parse): Similarly.
10104 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10105 Return the number of errors encountered.
10106 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10107 * cppmain.c (main): Don't call cpp_destroy.
10109 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10111 * configure.in: Require at least perl 5.6.0 to regenerate
10113 * configure: Regenerate.
10115 2001-01-14 Richard Henderson <rth@redhat.com>
10117 * genrecog.c (DT_veclen_ge): New.
10118 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10119 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10120 (nodes_identical_1): Handle DT_veclen_ge.
10121 (write_cond, debug_decision_2): Likewise.
10123 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10125 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10127 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10129 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10131 * cppmain.c (do_preprocessing): New function; most of the old
10133 (main): Call it to do most of the work.
10134 (cb): Move from global scope to set_callbacks ().
10135 (setup_callbacks): Get the callback pointer.
10136 (general_init, printer_init): Clean up code and comments.
10138 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10140 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10143 2001-01-14 Kazu Hirata <kazu@hxi.com>
10145 * config/h8300/h8300.c (get_shift_alg): Update comments.
10147 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10149 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10150 (alloc_page, ggc_alloc): Add casts to remove warnings.
10152 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10154 * combine.c (simplify_comparison): Don't change `code' when
10155 can't reverse comparison.
10157 2001-01-14 Richard Henderson <rth@redhat.com>
10159 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10160 update all call sites. Return true for all non-label constants.
10162 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10164 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10166 (ix86_expand_branch): Update.
10167 (ix86_expand_setcc): Update to handle multiple test conditions.
10168 (expand_int_movcc): Likewise.
10169 (expand_fp_movcc): Likewise.
10170 * i386-protos.h (ix86_expand_compare): New.
10171 * i386.md (andqi_?_slp, orqi_?_slp): New.
10172 (conditional trap expander): Update call to ix86_expand_compare.
10174 2001-01-14 Richard Henderson <rth@redhat.com>
10176 * config/vax/vax.md: Use nonimmediate_operand instead of
10177 general_operand in destinations.
10179 * config/vax/vax.md (indirect_jump): Use register_operand.
10181 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10182 * config/vax/vax.md (call_pop): Turn into an expander.
10183 (call_value_pop): Likewise.
10184 (call, call_value): New.
10186 2001-01-14 Andreas Jaeger <aj@suse.de>
10188 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10190 (ix86_fp_compare_mode): Add unused attribute.
10191 (ix86_expand_fp_movcc): Remove unused variable.
10192 (ix86_expand_builtin): Make fcode unsigned.
10194 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10195 (expand_expr): Add cast to avoid signed warning.
10196 (store_field): Likewise.
10197 (store_constructor_field): Likewise.
10198 (store_constructor): Likewise.
10199 (store_expr): Likewise.
10200 (clear_storage): Likewise.
10201 (emit_group_store): Likewise.
10202 (emit_group_load): Likewise.
10204 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10206 * c-common.c: Move format checking code to ...
10207 * c-format.c: ... here. New file. Reorder some functions and
10209 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10211 * c-common.h (decl_handle_format_attribute,
10212 decl_handle_format_arg_attribute): Declare.
10213 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10214 (c-common.o): Adjust dependencies.
10215 (c-format.o): New list of dependencies.
10217 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10219 * unroll.c (loop_iterations): If we cannot prove iteration variable
10220 is set once in each iteration, punt.
10222 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10224 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10225 (*strlenhi): Remove clobber (which was buggy) of output address.
10227 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10229 * Makefile.in (generated-manpages): Add gcc.1
10230 ($(srcdir)/gcc.1): New target.
10231 (maintainer-clean): Delete $(srcdir)/gcc.1.
10232 * gcc.texi: Add macros @gccoptlist and @gol.
10233 * invoke.texi: Include option summary in manpage. Mark up option
10234 summary with @gccoptlist and @gol. Use @r in one place where
10236 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10237 * gcc.1: Generate from invoke.texi.
10239 2001-01-13 Richard Henderson <rth@redhat.com>
10241 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10242 (struct page_entry): Add group member.
10243 (struct page_group): New.
10244 (struct globals): Add page_groups member.
10245 (alloc_anon): Only define for using mmap; remove valloc call.
10246 (page_group_index): New.
10247 (set_page_group_in_use): New.
10248 (clear_page_group_in_use): New.
10249 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10250 (free_page, release_pages): Likewise.
10251 * configure.in (with-gc): Default to ggc-page always.
10253 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10255 * reload1.c (replace_pseudos_in_call_usage): Use
10256 reg_equiv_constant and reg_equiv_address, and don't try
10257 regno_reg_rtx first.
10259 2001-01-13 Richard Henderson <rth@redhat.com>
10261 * ggc-page.c (alloc_page): Round up allocation size to one page.
10262 Set e->order on extra pages.
10264 2001-01-13 Richard Henderson <rth@redhat.com>
10266 * genrecog.c (nodes_identical): Expand commentary.
10267 (write_switch): Watch out for identical nodes.
10269 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10271 * cppfiles.c (_cpp_fake_include): New function.
10272 * cpphash.h (_cpp_fake_include): New.
10273 * cpplib.c (do_line): Call _cpp_fake_include when entering
10274 header files in preprocessed input.
10275 * cppmain.c (cb_pragma_implementation): Remove handling.
10276 (setup_callbacks): Don't register pragmas.
10278 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10280 * extend.texi: Udate for CPP.
10282 2001-01-13 Andreas Jaeger <aj@suse.de>
10284 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10286 * regmove.c: Add prototype for replace_in_call_usage.
10288 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10290 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10291 struct cpp_chunk, struct htab, struct toklist,
10292 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10293 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10294 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10295 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10296 (struct macro_args): Delete.
10297 * cpphash.h: See above.
10299 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10301 * cppmain.c (struct printer): Remove no_line_dirs.
10302 (options, cb): New.
10303 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10304 : Use options rather than CPP_OPTION.
10305 (setup_callbacks): Use cb rather than pfile->cb.
10306 (main): No need to check for a buffer. Use cpp_errors.
10307 (printer_init): Don't set no_line_dirs.
10308 (maybe_print_line): Use options not no_line_dirs.
10309 (cb_file_change): Don't call print_line if -P.
10311 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10313 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10315 * c-parse.in (finish_parse): Use cpp_errors.
10316 (__yylex): Use return value of cpp_pop_buffer.
10317 * cp/lex.c (finish_parse): Use cpp_errors.
10318 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10320 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10322 * README.AVR: URLs corrected.
10324 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10326 * c-decl.c (start_function): Don't warn if old prototype is builtin
10327 that's not in C's namespace.
10328 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10329 (_bb): Add prototype for ctime.
10330 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10332 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10334 * i386.c (ix86_fp_comparison_arithmetics_cost,
10335 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10336 ix86_fp_comparison_cost): New functions.
10337 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10338 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10339 two-branch sequences; make static.
10340 (ix86_use_fcomi_compare): Do decision according to the costs.
10341 (split_fp_branch): New.
10342 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10343 * i386-protos.h (ix86_expand_fp_compare): Remove
10344 (ix86_split_fp_branch): Declare.
10346 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10347 and ix86_comparison_operator.
10349 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10350 to make it cheaper.
10352 * i386.c (put_condition_code): Output properly the unordered/ordered
10353 compares in fp case.
10354 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10356 * tm.texi (REVERSE_CONDITION): Document.
10357 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10358 in -ffast-math mode.
10359 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10361 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10363 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10365 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10368 * config/sh/sh.c (mova_p): Fix test for mova_const.
10370 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10372 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10373 cpp_get_options rather than dereferencing pfile and using
10375 * scan-decls.c (scan_decls): Use return value of
10376 cpp_pop_buffer rather than CPP_BUFFER.
10378 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10380 * cppinit.c (cpp_handle_option): help_only is now part of the
10381 cpp_options structure.
10382 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10383 cpp_set_callbacks): New functions.
10384 * cpplib.h (cpp_callbacks): Break out as a named structure.
10385 (cpp_options): Move help_only here from cpp_reader.
10386 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10387 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10388 cpp_set_callbacks): New prototypes.
10389 * cppmain.c (main): Update for help_only.
10391 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10393 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10394 Also build and remove and install and uninstall c-tree.info and
10396 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10397 ($(srcdir)/cppinternals.info): New target.
10398 * c-tree.texi: Change file name used when makeinfo used without -o
10399 from ir.info to c-tree.info. Add info directory entry.
10400 * cppinternals.texi: Add info directory entry.
10401 * .cvsignore: Update.
10403 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10405 * c-typeck.c (store_init_value): Don't require constant initializer
10406 elements with -pedantic -std=c99.
10407 (digest_init): Change error about non-constant initializer elements
10409 (constructor_range_end): Remove.
10410 (constructor_incremental, designator_depth,
10411 designator_errorneous): New variables.
10412 (struct constructor_stack): Remove range_end, add incremental.
10413 (struct constructor_range_stack, constructor_range_stack): New.
10414 (struct initializer_stack): Add constructor_range_stack.
10415 (finish_init): Set it.
10416 (start_init): Likewise. require_constant_elements for non-static
10417 trees only if not flag_isoc99.
10418 (really_start_incremental_init): Remove constructor_range_end, add
10419 constructor_incremental.
10420 (pop_init_level): Likewise.
10421 (push_init_level): Likewise. If implicit and the subobject had some
10422 value set already, preinitialize the level with it.
10423 Warn about missing braces only if not pushing due to designators.
10424 (set_designator, push_range_stack): New functions.
10425 (set_init_label): Use them.
10426 (set_init_index): Likewise. Remove constructor_range_end.
10427 Error if designator index is outside of array bounds.
10428 (add_pending_init): Compare values of purpose index trees, not the
10429 trees themselves. Allow overwriting of already initialized element.
10430 Issue a warning if it had side-effects.
10431 (set_nonincremental_init, set_nonincremental_init_from_string): New
10433 (pending_init_member): Rename to...
10434 (find_init_member): ...this function. Call set_nonincremental_init
10435 if necessary. Compare values of purpose index trees, not the trees
10436 themselves. Return the actual value, not just non-zero if something
10438 (output_init_element): Remove checks for duplicates.
10439 If field has zero size, only check the initializer for correctness.
10440 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10441 if constructor_incremental is zero. Change error about initializers
10442 not computable at load time into pedwarn.
10443 (output_pending_init_elements): Compare bit positions, not
10444 FIELD_DECLs to take into account zero-sized fields.
10445 (process_init_element): Use constructor_range_stack to fill all
10446 ranges in the designator lists from current level up.
10447 * extend.texi: Update documentation for labeled elements.
10449 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10451 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10452 to function usage for arguments passed by reference. Optimize
10453 callee-copied arguments.
10454 * regmove.c (replace_in_call_usage): New function.
10455 (fixup_match_1): Call it.
10456 * cse.c (cse_insn): Canonicalize registers in function usage.
10457 * reload1.c (replace_pseudos_in_call_usage): New function.
10460 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10463 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10465 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10468 2001-01-12 DJ Delorie <dj@redhat.com>
10470 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10471 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10474 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10476 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10477 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10478 -std options alongside references to -ansi. Update some
10479 documentation for C99.
10480 * cpp.1: Regenerate.
10482 2001-01-12 Andreas Jaeger <aj@suse.de>
10484 * haifa-sched.c (restore_line_notes): Remove argument block B
10486 * sched-ebb.c (schedule_ebb): Change caller.
10487 * sched-rgn.c (schedule_region): Likewise.
10488 * sched-int.h (restore_line_notes): Adjust prototype.
10490 * loop.h: Remove wrong declaration of doloop_condition_get.
10492 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10494 * extend.texi: Move C++-extension-related node from the C section
10495 into the C++ section.
10497 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10499 * extend.texi: Refer to an array of pointers to functions instead
10500 of one of functions.
10502 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10503 Jan Hubicka <jh@suse.cz>
10505 * combine.c (reversed_comparison): Fix typo in last patch.
10507 (combine_reversed_comparison_code): Make static to follow
10508 prototype declaration.
10510 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10512 * install.texi: Remove misplaced duplicate entry.
10514 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10516 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10518 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10520 * final.c: (leaf_function_p): Fix typo.
10522 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10524 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10525 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10527 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10528 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10529 mmap_anon, and valloc is available.
10530 * ggc-page.c: Restructure ifdef logic to match new autoconf
10531 spec. Don't throw away the test page in init_ggc.
10533 * configure, config.in: Regenerate.
10535 2001-01-12 Michael Hayes <mhayes@redhat.com>
10537 * loop.h (total_biv_increment): Constify iv_class pointer.
10538 (struct induction): Replace `mem_mode' with `mem' rtx.
10539 * unroll.c (total_biv_increment): Constify iv_class pointer.
10540 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10541 (find_mem_givs, combine_givs_p): Likewise.
10542 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10544 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10546 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10548 (__gthread_getspecific): Ditto.
10550 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10552 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10553 put_condition_code): Convert fp comparison codes to integer
10555 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10558 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10559 * i386-protos.h (no_comparison_operator): Kill.
10561 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10563 * combine.c (REVERSIBLE_CC_MODE): Remove.
10564 (reversible_comparison_p): Remove.
10565 (combine_reversed_comparison_code): New.
10566 (reversed_comparison): New.
10567 (combine_simplify_rtx): Use
10568 combine_reversed_comparison_code/reversed_comparison instead
10569 of reversible_comparison_p.
10570 (simplify_if_then_else): Likewise.
10571 (simplify_set): Likewise.
10572 (simplify_logical): Likewise.
10573 (if_then_else_cond): Likewise.
10574 (known_cond): Likewise.
10575 (simplify_comparison): Likewise.
10577 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10579 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10580 sizeof (int) is larger than sizeof(__word__).
10582 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10584 * cppinit.c (do_includes): Fix typo.
10586 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10588 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10589 in S_REGS does not occur because not all sources are possible
10590 when a S_REGS is a destination (sometimes needs a clobber).
10591 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10592 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10593 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10594 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10595 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10596 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10597 (lshrdi_const1, lshrsi3_const16): Likewise.
10598 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10599 (*movhi_68hc12, *movqi_68hc12): Likewise.
10600 (movstrictqi): Make sure reloading in D_REGS as a destination
10603 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10605 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10607 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10609 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10610 -D, -U and -A, and don't initialize the builtins.
10611 (do_includes): Error if -include or -imacros with -fpreprocessed.
10612 * cppmain.c (cb_define, cb_undef): Unconditionally process
10614 * tradcpp.c (main): Fix typo.
10616 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10618 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10619 (read_name_map): Use IS_ABSOLUTE_PATH.
10620 * tradcpp.c (get_filename): Likewise.
10622 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10624 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10625 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10626 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10627 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10628 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10629 (cmphi_z_used): Don't use '@' for the output.
10630 (tstqi_z_used): Likewise.
10631 (cmpqi_z_used): Likewise.
10632 (one_cmplsi2): Likewise.
10634 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10636 * config/sh/sh.c (barrier_align): Recognize branch around far
10637 branch and redundant insn.
10639 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10641 * invoke.texi: Restore documentation of the drivers' switches -MD
10644 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10646 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10648 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10649 check-objc//%): Support parallel testing of multilibs.
10650 (TESTSUITEDIR): Set to testsuite by default, but override for
10652 (check-gcc, check-g++, check-g77, check-objc): Enter
10655 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10657 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10658 * sched-deps.c (deps_may_trap_p): Likewise.
10659 * basic-block.h: Remove a comment.
10660 * flow.c (PROP_POSTRELOAD): Remove.
10661 (update_life_info): Don't add it to prop_flags.
10662 (mark_set_1): Lose the code that was enabled by it.
10664 2001-01-11 Michael Hayes <mhayes@redhat.com>
10666 * flow.c (flow_call_edges_add): New.
10667 * basic_block.h (flow_call_edges_add): New.
10669 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10671 * reload1.c (move2add_note_store): Update reg_set_luid even if
10672 base reg remains the same.
10674 2001-01-10 Nick Clifton <nickc@redhat.com>
10676 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10677 machine_function structure to zero.
10678 Add prototypes for machine_status functions.
10680 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10682 * c-common.h (CTI_VOID_LIST): Remove.
10683 (void_list_node): Likewise.
10684 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10685 (void_list_node): New macro.
10686 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10687 * config/i386/i386.c (ix86_init_builtins): Likewise.
10688 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10690 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10692 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10693 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10695 * tradcpp.c: Include mkdeps.h.
10696 (deps, print_deps_phony_targets, deps_append, output_deps,
10697 init_dependency_output, output_deps): New.
10698 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10699 deps_output): Delete.
10700 (print_deps_missing_files): Rename deps_missing_files.
10701 (inhibit_output): Make global.
10702 (main): Delete inhibit_output, deps_stream, deps_target.
10703 Use mkdeps functionality in the same way as cpplib. Remove
10704 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10705 -M and -MM. Remove old handling of deps via deps_out, and
10706 old reading of environment variables.
10707 (get_filename): Update to use deps_add_dep.
10709 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10711 * output.h (make_function_rtl): Remove prototype.
10712 (make_decl_rtl): Likewise.
10713 * varasm.c (make_function_rtl): Remove.
10714 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10715 than from a third parameter.
10716 * tree.h (make_decl_rtl): Remove last parameter.
10717 * c-decl.c (builtin_function): Remove last argument in call to
10718 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10719 (start_function): Likewise.
10720 * except.c (call_get_eh_context): Likewise.
10721 * expr.c (emit_block_move): Likewise.
10722 (clear_storage): Likewise.
10723 * profile.c (output_func_start_profiler): Likewise.
10724 * toplev.c (rest_of_decl_compilation): Likewise.
10725 * objc/objc-act.c (create_builtin_decl): Likewise.
10726 (synth_module_prologue): Likewise.
10727 (generate_static_reference): Likewise.
10728 (build_selector_reference_decl): Likewise.
10729 (build_class_reference_decl): Likewise.
10730 (build_objc_string_decl): Likewise.
10731 (build_protocol_reference): Likewise.
10733 2001-01-10 Richard Henderson <rth@redhat.com>
10735 * hwint.h: Revert yesterday's change.
10737 2001-01-10 Nick Clifton <nickc@redhat.com>
10739 * function.h (save_machine_status): Delete.
10740 (restore_machine_status): Delete.
10741 Amend comment describing {init|mark|free}_machine_status.
10743 * function.c (save_machine_status): Delete.
10744 (restore_machine_status): Delete.
10745 Amend comment describing {init|mark|free}_machine_status.
10746 (push_function_context_to): Remove invocation of
10747 save_machine_status.
10748 (pop_function_context_from): Remove invocation of
10749 restore_machine_status.
10751 * emit-rtl.c (init_emit_once): Amend comment describing
10752 {init|mark|free}_machine_status.
10754 * tm.texi (Per-Function Data): New node. Describe the
10755 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10758 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10760 * cppinit.c (OPT_g): Remove.
10761 (cpp_handle_option): Update for removed -g3.
10762 (print_help): Update.
10763 * cpplib.h (struct cpp_options): Remove debug_output.
10764 * cppmain.c (setup_callbacks, cb_define): Update.
10765 * gcc.c (cpp_options): Translate -g3 to -dD.
10767 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10769 * config/i960/i960.md: Change modifier to + on the zero_extract
10770 pattern after the (rotate -2 reg) canonicalization pattern.
10772 2001-01-10 Richard Henderson <rth@redhat.com>
10774 * config/alpha/alpha.c (alpha_free_machine_status): New.
10775 (override_options): Install it.
10776 (alpha_mark_machine_status): Verify machine non-null.
10777 * config/i386/i386.c (ix86_free_machine_status): New.
10778 (override_options): Install it.
10779 (ix86_init_machine_status): Use xcalloc.
10780 (ix86_mark_machine_status): Verify machine non-null.
10781 * config/ia64/ia64.c (ia64_free_machine_status): New.
10782 (ia64_override_options): Install it.
10783 (ia64_mark_machine_status): Verify machine non-null.
10785 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10787 * function.c (instantiate_virtual_regs): Instantiate virtual
10788 registers found in CALL_INSN_FUNCTION_USAGE.
10790 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10792 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10793 equivalent to -ansi in disabling -Di386.
10795 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10797 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10799 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10801 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10803 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10805 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10807 * invoke.texi: Document that -fcond-mismatch isn't supported for
10810 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10812 * gcc.texi: Define macro gcctabopt.
10813 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10814 @command, @env and @option in some places where appropriate. Use
10815 @gcctabopt where appropriate. Put URLs and email addresses inside
10818 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10820 * gcc.c (cpp_options): Set MD file name from output
10821 filename, if specified.
10822 (suffix_subst): New static variable.
10823 (do_spec): Clear it.
10824 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10826 (give_switch): Handle suffix_subst.
10828 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10830 * invoke.texi: Fix another typo.
10832 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10834 * invoke.texi: Fix typo.
10836 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10838 * c-lang.c (lang_hooks): Update.
10839 (lang_decode_option): Remove.
10840 (lang_init_options): Rename c_init_options.
10841 * toplev.c (main): Use lang_hooks for lang_init_options
10842 and lang_decode_option.
10843 * toplev.h (lang_hooks): Add 2 new hooks.
10844 * tree.h: Remove lang_init_options and lang_decode_option.
10845 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10846 * cp/decl2.c: Similarly.
10847 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10848 (lang_hooks): Update.
10849 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10851 (lang_init_options): Rename ffe_init_options.
10852 (lang_hooks): Update.
10853 (lang_decode_option): Remove.
10854 * java/lang.c (lang_init_options): Rename java_init_options.
10855 (lang_decode_option): Rename java_decode_option.
10856 (lang_hooks): Update.
10857 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10858 (lang_decode_option): Rename objc_decode_option.
10859 (lang_hooks): Update.
10861 2001-01-09 Nick Clifton <nickc@redhat.com>
10863 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10864 (d30v_return_addr_rtx): Delete.
10865 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10866 cfun->machine structure.
10867 (struct machine_function): Move to d30v.h
10868 (d30v_save_machine_status): Delete.
10869 (d30v_restore_machine_status): Delete.
10870 (d30v_init_machine_status): New Function.
10871 (d30v_mark_machine_status): New Function.
10872 (d30v_free_machine_status): New Function.
10873 (d30v_init_expanders): Use new functions.
10874 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10875 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10876 d30v_return_addr_rtx.
10878 * config/d30v/d30v.h (struct_machine): Move here.
10879 Add eh_epilogue_sp_ofs field.
10881 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10882 field in cfun->machine structure.
10884 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10886 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10887 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10888 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10890 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10892 * objc/lang-options.h: Remove bogus reference to
10895 2001-01-09 Kazu Hirata <kazu@hxi.com>
10897 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10900 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10902 * reload.c (find_reloads_address): Check for eliminable registers
10903 when substituting a constant expression for a pseudo.
10905 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10907 * c-common.c (enum format_type): Add format_type_error.
10908 (decode_format_type): New function.
10909 (decl_attributes): Use it.
10910 (format_kind_info): Adjust comment.
10912 2001-01-09 David O'Brien <obrien@BSDi.com>
10914 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10915 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10917 * config/i386/gnu.h: Don't include required platform specific .h files,
10918 tm.h will do it instead.
10919 * config/i386/i386elf.h: Likewise.
10920 * config/i386/linux.h: Likewise.
10921 * config/i386/moss.h: Likewise.
10922 * config/mips/gnu.h: Likewise.
10924 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10926 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10927 (rs6000-ibm-aix3.[01]*): Likewise.
10928 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10929 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10930 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10931 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10932 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10933 (powerpc-*-eabiaix*): Likewise.
10934 (powerpc-*-eabisim*): Likewise.
10935 (powerpc-*-elf*): Likewise.
10936 (powerpc-*-eabi*): Likewise.
10937 (powerpc-*-rtems*): Likewise.
10938 (powerpc-*-linux*libc1): Likewise.
10939 (powerpc-*-linux*): Likewise.
10940 (powerpc-wrs-vxworks*): Likewise.
10941 (powerpcle-wrs-vxworks*): Likewise.
10942 (powerpcle-*-sysv*): Likewise.
10943 (powerpcle-*-elf*): Likewise.
10944 (powerpcle-*-eabisim*): Likewise.
10945 (powerpcle-*-eabi*): Likewise.
10946 (powerpcle-*-solaris2*): Likewise.
10947 * config/rs6000/aix31.h: Delete includes.
10948 * config/rs6000/aix3newas.h: Likewise.
10949 * config/rs6000/aix41.h: Likewise.
10950 * config/rs6000/aix43.h: Likewise.
10951 * config/rs6000/beos.h: Likewise.
10952 * config/rs6000/rtems.h: Likewise.
10953 * config/rs6000/sysv4.h: Likewise.
10955 2001-01-09 Kazu Hirata <kazu@hxi.com>
10957 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10958 Change an argument mode of machine_mode to shift_mode of
10959 shift_mode. Remove an extra error check.
10960 (emit_a_shift): Adopt to the new calling prototype of
10962 (function_prologue): Fix code for a monitor
10963 function. Support H8/S.
10964 (function_epilogue): Do not output pop for a monitor function.
10966 2001-01-09 Nick Clifton <nickc@redhat.com>
10968 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10969 (setup_incoming_varargs): Use sysv_varargs_p field of the
10970 cfun->machine structure.
10971 (struct machine_function): Move to rs6000.h
10972 (rs6000_save_machine_status): Delete.
10973 (rs6000_restore_machine_status): Delete.
10974 (rs6000_init_machine_status): New Function.
10975 (rs6000_free_machine_status): New Function.
10976 (rs6000_init_expanders): Use new functions.
10978 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10980 (struct machine_function): Move here.
10982 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10983 sysv_varargs_p field of the cfun->machine structure.
10985 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10987 (rs6000_restore_machine_status): Remove prototype.
10989 2001-01-09 Richard Henderson <rth@redhat.com>
10991 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10992 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10993 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10994 (sched_analyze_2, sched_analyze_insn): Likewise.
10995 (sched_analyze, init_deps): Likewise.
10996 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10997 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10998 (compute_block_backward_dependences): Update propagate_deps call.
11000 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11002 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11004 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11006 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11007 (cpp_handle_option): Handle them.
11008 (cpp_post_options): Ensure one of -M or -MM is specified with
11009 any other -M? option.
11010 (init_dependency_output): Suppress output with -MG.
11012 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11014 * cpp.texi: Update.
11015 * invoke.texi: Update.
11017 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11019 * sh.md (reload_outsf): Generate recognizable patterns for
11022 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11024 * c-lang.c (lang_hooks): Update.
11025 (lang_init): Rename c_init.
11026 (lang_finish): Remove.
11027 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11028 and lang_finish ().
11029 * toplev.h (lang_hooks): Add init () and finish ().
11030 * tree.h (lang_init, lang_finish): Remove.
11031 * cp/tree.h (lang_init, lang_finish): Remove.
11032 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11033 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11035 (lang_init, lang_finish): Remove.
11036 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11037 (lang_hooks): Update.
11038 * java/lang.c (lang_init): Rename java_init.
11039 (lang_finish): Remove.
11040 (lang_hooks): Update.
11041 * objc/objc-act.c (lang_init): Rename objc_init.
11042 (lang_finish): Remove.
11043 (lang_hoooks): Update.
11045 20001-01-09 Graham Stott <grahams@redhat.com>
11047 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11048 after `ptr` is initialised.
11050 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11052 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11053 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11054 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11055 stack adjusts, instead of r3.
11057 2001-01-09 Michael Hayes <mhayes@redhat.com>
11059 * flow.c (flow_loop_scan): Break out of ...
11060 (flow_loops_find) ... here.
11061 * basic-block.h (flow_loop_scan): New.
11062 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11063 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11065 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11067 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11069 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11070 realloc()ing macro_buffer.
11072 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11073 if it's wider than long and the target's long is wider than the
11076 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11078 Remove support for using UWIN as a host machine.
11079 * configure.in: Issue an error message.
11080 * configure: Regenerated.
11081 * config.gcc: Remove xm_* UWIN configury.
11082 * config/i386/xm-uwin.h: Remove.
11084 2001-01-08 Nick Clifton <nickc@redhat.com>
11086 * config/v850/v850.c (ra_rtx): Delete.
11087 (v850_save_machine_status): Delete.
11088 (v850_restore_machine_status): Delete.
11089 (v850_init_machine_status): New function.
11090 (v850_mark_machine_status): New function.
11091 (v850_free_machine_status): New function.
11092 (v850_return_addr): Use ra_rtx field in machine structure.
11093 (v850_init_expanders): Use new functions.
11095 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11096 * config/v850/v850.c: Change arguments to v850_output+* functions
11097 to take a const char *, to avoid compile time warning.
11098 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11099 (USER_LABEL_PREFIX): Redefine.
11101 2000-01-08 Jim Wilson <wilson@redhat.com>
11103 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11104 1 to unsigned HOST_WIDE_INT before left shift.
11106 2001-01-08 Nick Clifton <nickc@redhat.com>
11108 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11109 the machine structure has been allocated.
11110 (arm_free_machine_status): New function: Free the machine
11111 specific function structure.
11113 2001-01-08 Richard Henderson <rth@redhat.com>
11115 * jump.c (simplejump_p): Revert last change.
11117 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11119 * cppinit.c (init): Rename init_library.
11120 (cpp_create_reader): Update.
11121 * gcc.c (cpp_options): If -o given, use it as the target of
11124 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11126 * arm.c (arm_arch5e): New variable.
11127 (all_cores): XScale is a 5TE device.
11128 (arm_override_options): Set arm_arch5e.
11129 (arm_init_builtins): __builtin_prefetch is in arch5e.
11130 * arm.h (arm_arch5e): Declare it.
11132 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11134 * arm.md (define_constants): Add defines for UNSPEC and
11135 UNSPEC_VOLATILE insns. Update all users.
11136 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11137 * arm.c (multi_register_push, note_invalid_constants)
11138 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11139 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11140 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11142 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11144 * jump.c (jump_optimize_1): Use reversed_comparison_code
11145 instead of can_reverse_comparison_p.
11146 (jump_back_p): Likewise.
11147 (invert_exp_1): Likewise.
11148 (thread_jumps): Likewise.
11149 * simplify-rtx.c (simplify_unary_operation): Likewise.
11150 (simplify_ternary_operation): Likewise.
11151 * cse.c (find_comparison_args): Convert to use
11152 can_reverse_comparison_p.
11153 (record_jump_equiv): Likewise.
11155 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11157 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11158 (EPILOGUE_USES): Define.
11159 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11160 automatically stack the LR if it isn't live.
11162 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11164 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11167 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11169 * ggc-page.c (max_alignment): New structure.
11170 (MAX_ALIGNMENT): New macro.
11171 (init_ggc): Use it to round up the sizes in the
11172 extra_order_size_table.
11174 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11176 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11179 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11181 * builtins.def (BUILT_IN_FPRINTF): New entry.
11183 * c-common.c (c_expand_builtin_fprintf): New function.
11184 (init_function_format_info): Handle __builtin_fprintf.
11185 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11186 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11188 * c-decl.c (duplicate_decls): Adjust comment.
11190 * extend.texi (fprintf): Document new builtin.
11192 2001-01-07 Richard Henderson <rth@redhat.com>
11194 * jump.c (simplejump_p): Recognize any single_set jump
11195 of the proper form.
11197 2001-01-07 Richard Henderson <rth@redhat.com>
11199 * configure.in (slibdir): Accept an --with-slibdir option.
11200 Use "test" not "[" in configure. Default to $(libdir).
11202 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11204 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11205 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11206 (SHLIB_LINK): Create links for the soname.
11207 * config/mips/t-iris6: Likewise.
11208 * config/sparc/t-slibgcc: Likewise.
11209 * config/sparc/t-slibgcc-sld: Likewise.
11211 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11213 * config/i386/i386.c (constant_call_address_operand): Accept
11214 (const (plus (symbol_ref) (const_int))).
11215 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11216 constant_call_address_operand.
11218 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11220 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11221 and LONG_LONG_TYPE_SIZE > 32.
11223 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11225 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11226 the previous change.
11228 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11230 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11232 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11233 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11234 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11237 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11239 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11241 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11243 * c-lang.c (c_post_options): Call cpp_post_options.
11244 * objc/objc-act.c (objc_post_options): Similarly.
11245 * cppmain.c (main): Similarly.
11246 * fix-header.c (read_scan_file): Similarly.
11247 * cppinit.c (cpp_start_read): Move option consistency checks
11248 to cpp_post_options. Don't call init_dependency_output.
11249 If needed, add default target and main file dependency.
11250 (OPT_MD, OPT_MMD): Remove.
11252 (cpp_handle_option): Update for OPT_* changes.
11253 (cpp_post_options): New.
11254 (init_dependency_output): Command line -MF overrides environment
11255 variables. Don't set default target etc. Suppress output
11256 if dependencies are going to stdout.
11257 (print_help): Update.
11258 * cpplib.h (cpp_post_options): New.
11259 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11261 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11263 * jump.c (comparison_dominates_p): Support unordered compares.
11265 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11267 * simplify-rtx.c (simplify_relational_operation): Always simplify
11268 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11271 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11273 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11274 (nonzero_bits): Likewise.
11275 (simplify_comparison): Likewise.
11276 (num_sign_bit_copies): Likewise; return more sane value depending
11277 on STORE_FLAG_VALUE.
11278 (known_cond): Do not assume EQ to be always true for equivalent
11281 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11283 * cse.c (fold_rtx): Handle unordered comparisons.
11285 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11287 * rtlanal.c (set_of_1): New static function.
11288 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11289 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11290 reg_set_last_last_regno): Remove.
11291 (set_of): New global function.
11292 (set_of_data): New structure.
11293 (reg_set_p, reg_set_last): Revamp for set_of.
11294 * rtl.h (set_of): New.
11296 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11298 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11299 * extend.texi: Document _Exit builtin.
11301 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11303 * (initialize, initialize_builtins,
11304 initialize_dependency_output, initialize_standard_includes):
11305 Rename s/initialize/init. Update.
11306 (init_dependency_output): Move to after
11307 cpp_handle_options, the correct location temporally at least.
11308 (opt_comp): Move next to init (), its caller. Fix prototype.
11309 (init): Make "initialized" local scope.
11310 (cpp_create_reader): Always call init ().
11311 (cpp_start_read): Update.
11312 (output_deps): New function, broken out of cpp_finish.
11313 (cpp_finish): Break out output_deps.
11315 2001-01-07 Richard Henderson <rth@redhat.com>
11317 * collect2.c (COFF specific stuff): Revert 12-06 patch
11318 to prototype system functions.
11320 2001-01-07 Michael Hayes <mhayes@redhat.com>
11322 * hard-reg-set.h: Add multiple include guard.
11323 * basic-block.h (struct loop): Add `sink' field.
11324 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11325 (emit_iv_add_mult): Delete.
11326 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11327 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11328 (unroll_loop): Remove end_insert_before argument.
11329 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11330 (maybe_eliminate_biv_1): Likewise.
11331 (emit_iv_add_mult): Delete.
11332 (gen_add_mult, loop_regs_update): New.
11333 (loop_insn_emit_after, loop_insn_emit_before): New.
11334 (loop_insn_sink, loop_insn_sink_or_swim): New.
11335 (emit_iv_add_mult): Delete.
11336 (scan_loop): Set loop->sink.
11337 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11338 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11339 (maybe_eliminate_biv_1): Likewise.
11340 (maybe_eliminate_biv_1): Add basic block argument.
11341 * unroll.c (unroll_loop): Remove end_insert_before argument.
11342 (find_splittable_regs): Likewise.
11343 (find_splittable_regs): Use loop_insn_sink and its ilk.
11344 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11346 2001-01-07 Michael Hayes <mhayes@redhat.com>
11348 * loop.h (loop_insn_hoist): New prototype.
11349 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11350 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11351 (check_dbra_loop, load_mems): Likewise.
11352 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11353 (find_splittable_givs): Likewise.
11355 2001-01-07 Michael Hayes <mhayes@redhat.com>
11357 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11359 2001-01-07 Richard Henderson <rth@redhat.com>
11361 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11363 2001-01-07 Richard Henderson <rth@redhat.com>
11365 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11366 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11367 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11368 variant that handles a shared libgcc.
11369 (process_command): Always validate -{static,shared}-libgcc.
11370 (do_spec_1): New 'M' case.
11371 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11373 2001-01-07 Richard Henderson <rth@redhat.com>
11375 * Makefile.in (slibdir): New variable.
11376 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11377 (installdirs): Create slibdir.
11378 (install-libgcc, install-multilib): Defer to libgcc.mk.
11379 * configure.in (slibdir): Substitute.
11380 * mklibgcc.in (install): New target.
11382 * config/t-linux (SHLIB_LINK): Create links for the soname.
11383 (SHLIB_INSTALL): New.
11384 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11385 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11386 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11387 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11388 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11390 2001-01-07 Richard Henderson <rth@redhat.com>
11392 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11393 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11394 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11396 2001-01-07 Michael Hayes <mhayes@redhat.com>
11398 * loop.c (count_loop_regs_set): Delete.
11399 (load_mems_and_recount_loop_regs_set): Delete.
11400 (loop_regs_scan): Merge common code from count_loop_regs_set,
11401 scan_loop, and load_mems_and_recount_loop_regs_set.
11402 (scan_loop): Call load_mems directly and loop_regs_scan
11403 again if new registers created.
11405 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11407 * toplev.c (main): Call the front-end specific post_options
11408 hook if one is given.
11409 * toplev.h (struct_lang_hooks, lang_hooks): New.
11410 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11411 for the C front end.
11412 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11413 lang_hooks for the C++ front end.
11414 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11415 lang_hooks for the ObjC front end.
11416 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11417 * java/lang.c (lang_hooks): Hooks for the Java front end.
11419 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11421 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11422 for verbose DWARF[2] debugging.
11423 (cb_define, cb_undef): The new callbacks.
11424 * toplev.h (debug_define, debug_undef): Make const correct.
11425 * toplev.c (debug_define, debug_undef): Similarly. Do not
11426 perform the verbosity tests here anymore.
11428 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11430 * reload.c (subst_reloads): Take INSN argument. When
11431 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11432 * reload.h (subst_reloads): Adjust prototype.
11433 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11434 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11435 present in JUMP_INSNs and copy them to JUMP_LABEL.
11436 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11437 JUMP_INSNs and insns with REG_LABELs that are followed by
11438 JUMP_INSNs with the same REG_LABEL.
11439 * sched-rgn.c (is_cfg_nonregular): Likewise.
11440 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11442 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11444 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11446 2001-01-06 Richard Henderson <rth@redhat.com>
11448 * loop.c (scan_loop): Use xcalloc for the regs array.
11449 (load_mems_and_recount_loop_regs_set): Zero the new memory
11450 received from xrealloc.
11452 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11454 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11456 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11458 * integrate.c (copy_rtx_and_substitute): When copying
11459 an ignored return value, strip REG_FUNCTION_VALUE_P.
11461 2001-01-06 Michael Hayes <mhayes@redhat.com>
11463 * loop.c (debug_biv, debug_giv): New.
11464 (loop_biv_dump): Break out from ...
11465 (record_biv): ... here.
11466 (loop_giv_dump): Break out from ...
11467 (record_giv): ... here.
11468 (loop_bivs_check): Use print_simple_rtl.
11469 * unroll.c (loop_iterations): Use print_simple_rtl.
11471 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11473 * pa.md (return, return_internal): Modify patterns to prevent regrename
11474 mucking with the return pointer.
11476 2001-01-05 Richard Henderson <rth@redhat.com>
11478 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11480 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11482 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11483 version supplied by Matteo Frigo.
11485 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11487 * cpp.texi: Update for -MQ.
11488 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11489 (cpp_cleanup): Always free pfile->deps.
11490 (initialize_dependency_output): Don't create pfile->deps.
11491 (cpp_handle_option): Similarly.
11493 * gcc.c (cpp_options): Handle -MQ.
11494 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11495 * mkdeps.c (base_name): Remove.
11496 (deps_init): Don't allocate vector space until it's needed.
11497 (deps_free): Only free vectors if allocated.
11498 (deps_add_target, deps_add_dep): Update for initial allocation.
11499 (deps_add_default_target): Don't strip to the base_name.
11501 2001-01-05 DJ Delorie <dj@redhat.com>
11503 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11504 (INIT_EXPANDERS): Define.
11506 * config/v850/v850.c (struct machine_function): Define.
11507 (v850_save_machine_status): New function.
11508 (v850_restore_machine_status): New function.
11509 (v850_return_addr): New function.
11510 (v850_init_expanders): New function.
11512 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11513 and v850_init_expanders.
11515 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11517 * cpplib.h (struct cpp_reader): Add help_only field.
11518 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11519 (cpp_handle_option): Set pfile->help_only if we see -h,
11520 --help, -target-help, or --version. Print version string but
11521 do not set help_only if we see -v or -version. Make text
11522 printed by -v match that printed by (-)-version.
11524 * cppmain.c (main): Exit after option parsing if
11525 pfile->help_only is true.
11527 * toplev.c (independent_decode_option): Call print_version,
11528 then exit, if we see --version (but not -version).
11529 (print_version): Split lengthy message into two lines.
11531 2001-01-05 Nick Clifton <nickc@redhat.com>
11533 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11534 temporary string for initialisation before calling ggc_alloc_string.
11536 2001-01-06 Michael Hayes <mhayes@redhat.com>
11538 * rtl.h (print_simple_rtl): New.
11539 * print-rtl.c (print_simple_rtl): New.
11540 (flag_simple): New.
11541 (print_rtx): Disable printing of flags and modes, etc.,
11542 if `flag_simple` nonzero.
11544 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11546 * function.c (fixup_var_refs): Use push_to_full_sequence where
11549 2001-01-05 Michael Meissner <meissner@redhat.com>
11551 * flags.h (flag_reorder_blocks): Add declaration.
11552 (flag_rename_block): Ditto.
11554 2001-01-05 DJ Delorie <dj@redhat.com>
11556 * function.c (reorder_blocks): Make sure the flags are all reset
11557 before using them to mark blocks, else a second invocation will
11558 corrupt the block chain.
11559 (reorder_blocks_0): New, resets the flags.
11561 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11563 * cse.c (find_comparison_args): Stop if the argument is known to
11566 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11568 * config/sh/sh.md (movdf): When splitting load into pair of
11569 registers, don't clobber the register used in the address too
11572 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11574 * varasm.c (mark_constant_pool): Improve initial comments.
11575 (mark_constants): Move marking of constants to mark_constant.
11576 (mark_constant): New function to recursively mark all constants
11577 referred to by a constant.
11579 2001-01-05 Catherine Moore <clm@redhat.com>
11581 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11583 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11585 * cp/lang-options.h: Bring comment in line with reality.
11586 * f/lang-options.h: Likewise.
11587 * java/lang-options.h: Likewise.
11588 * objc/lang-options.h: Likewise.
11589 * ch/lang-options.h: Likewise.
11590 * f/g77.texi: And update the manual.
11592 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11593 Denis Chertykov <denisc@overta.ru>
11595 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11596 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11597 * config/avr/avr.md (all peepholes that request a scratch register):
11598 Call it, FAIL the peephole if not safe (in interrupt functions).
11600 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11602 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11604 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11606 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11608 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11609 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11610 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11611 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11612 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11614 * extend.texi: Document these builtins.
11616 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11618 * c-common.c (lang_get_alias_set): Say we know nothing of
11619 VECTOR_TYPE aliasing.
11621 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11623 2001-01-05 Bruce Korb <bkorb@gnu.org>
11625 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11626 their x* equivalent versions for atexit-less systems
11627 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11628 systems (or any other system any more).
11630 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11632 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11633 output operands. Use arm_hard_register_operand for operand 4.
11634 (stmsi_postinc): Similarly.
11635 (ldmsi): Use arm_hard_register_operand for opernand 2.
11636 (stmsi): Similarly.
11637 * arm.c (arm_hard_register_operand): New function.
11638 * arm-protos.h (arm_hard_register_operand): Prototype it.
11640 * arm.h (HARD_REGNO_RENAME_OK): Define.
11642 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11644 * simplify-rtx.c (cfc_args): add "unordered" field.
11645 (check_fold_consts): Set unordered field.
11646 (simplify_relational_operation): Simplify the unordered
11649 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11652 * emit-rtl.c (try_split): Fix code to mark labels.
11653 * jump.c (mark_jump_label): Make global.
11654 * rtl.h (mark_jump_label): Declare.
11656 * predict.c (estimate_probability): Handle unordred comparisons.
11658 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11660 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11661 * cppinit.c (initialize_dependency_output): Update.
11662 (cpp_finish): Output dummy targets for -MP.
11664 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11665 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11666 * gcc.c (cpp_options): Update to handle -MP.
11667 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11668 to quote only the default target.
11669 (deps_phony_targets): Insert a preceding newline. Rename from
11670 deps_dummy_targets for consistency.
11673 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11675 * calls.c (emit_library_call_value_1): Support
11676 INIT_CUMULATIVE_LIBCALL_ARGS.
11677 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11679 2001-01-04 Richard Henderson <rth@redhat.com>
11681 * c-decl.c (finish_struct): Detect flexible array members
11682 used in an inappropriate context.
11683 * c-typeck.c (really_start_incremental_init): Special case
11684 constructor_max_index for zero length arrays.
11685 (pop_init_level): Allow initialization of flexible array
11686 members. Deprecate initialization of zero length arrays.
11687 Don't issue missing initializer warning for flexible array
11688 members or zero length arrays.
11689 (process_init_element): Don't dereference null DECL_SIZE.
11690 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11691 Don't abort for empty constructors. Use size_binop
11692 (output_constructor): Add commentary regarding zero length
11693 array futures. Abort if we try to initialize an array of
11694 unspecified length with a non-empty constructor in the middle
11697 * extend.texi (Zero Length): Update and clarify documentation
11698 on static initialization.
11700 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11702 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11703 with more than 32767 words of local storage.
11705 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11707 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11708 for 'abs', 'labs', and 'fabs'.
11709 (c4x_expand_builtin): Likewise.
11710 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11712 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11714 * config/sh/sh.md (prget, prset): New insn types.
11715 (return delay slot): Dont' allow prset.
11716 (call, sfunc delay slot): Don't allow prget.
11717 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11718 for prset and prget.
11720 2001-01-05 Michael Hayes <mhayes@redhat.com>
11722 * loop.h (struct loop_reg): New.
11723 (struct loop_regs): Change to use array of `struct loop_reg'.
11724 * loop.c: Replace assortment of varrays with single regs array.
11725 (count_one_set): Delete may_not_move array argument
11726 and use regs array instead. All caller's changed.
11727 (count_loop_regs_set): Delete may_not_move and single_usage
11728 arguments and use regs array instead. All caller's changed.
11729 (find_single_use_in_loop): Replace usage array argument with pointer
11730 to regs structure. All caller's changed.
11731 (loop_optimize): Delete `moved_once' array.
11733 2001-01-05 Michael Hayes <mhayes@redhat.com>
11735 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11736 Use it instead of loop_info->has_call for scanning loop mems.
11737 (check_dbra_loop): Replace loop_info->has_call test with
11738 loop_info->has_nonconst_call.
11740 2000-01-04 Matthew Hiller <hiller@redhat.com>
11742 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11745 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11747 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11748 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11750 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11752 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11753 (flag_short_double, flag_short_wchar): Define.
11754 (c_common_nodes_and_builtins): Create many tree nodes shared
11755 between C and C++ here instead of in cp/decl.c and ...
11756 * c-decl.c (init_decl_processing): ... here.
11757 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11758 (flag_short_double, flag_short_wchar): Don't define.
11759 (record_builtin_type): New function.
11760 (build_void_list_node): New function.
11761 * c-common.h (flag_short_double, flag_short_wchar,
11762 record_builtin_type, build_void_list_node): Declare.
11764 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11766 * integrate.c (expand_inline_function): Don't put a virtual
11767 register into the reg map.
11769 * function.c (fixup_var_refs_1): If force_operand didn't put
11770 the address into the target, move it there.
11772 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11774 Special-case tree_decl/tree_list allocations.
11775 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11776 (OBJECT_SIZE): New macro.
11777 (NUM_EXTRA_ORDER): Likewise.
11778 (extra_order_size_table): New variable.
11779 (NUM_ORDERS): New macro.
11780 (objects_per_page_table): New variable.
11781 (object_size_table): New variable.
11782 (G.pages): Use NUM_ORDERS to bound the array.
11783 (G.page_tails): Likewise.
11784 (DIV_ROUND_UP): Remove.
11785 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11786 (alloc_page): Use OBJECT_SIZE.
11787 (size_lookup): Don't make it const.
11788 (ggc_alloc): Use OBJECT_SIZE.
11789 (ggc_set_mark): Likewise.
11790 (ggc_get_size): Likewise.
11791 (init_ggc): Set up the object_size_table, objects_per_page_table,
11792 and adjust size_lookup.
11793 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11794 (ggc_pop_context): Use NUM_ORDERS.
11795 (clear_marks): Likewise.
11796 (sweep_pages): Likewise.
11797 (poison_pages): Likewise.
11798 (ggc_print_statistics): Use OBJECT_SIZE.
11800 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11802 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11803 Only call array_size_for_constructor if last field and array type
11804 with no upper bound.
11806 2001-01-04 Philip Blundell <philb@gnu.org>
11808 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11809 from bit 31 downwards, if this requires no more insns.
11810 (count_insns_for_constant): New helper function for above.
11812 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11814 * gencodes.c (output_predicate_decls): Remove empty initializer.
11816 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11818 * tree.c (copy_node): Remove documentation about obstacks.
11819 (buidl1): Check that nobody tries to build 2-argument nodes this
11822 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11824 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11827 * gencodes.c (output_predicate_decls): Fill empty initializer
11830 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11832 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11833 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11835 (do_include): Handle missing headers like cpp0.
11836 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11837 paths with first include pathname. Don't strcat to uninitialized
11840 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11842 * regrename.c (regrename_optimize): Don't rename from frame pointer
11843 if frame_pointer_needed.
11844 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11845 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11846 (ia64_reorg): Use it instead of scheduling if ! optimize.
11847 (errata_emit_nops): Properly call asm_noperands.
11848 (ia64_sched_reorder): Finish cycle if we see an asm.
11849 (ia64_variable_issue): Clear scheduling state after asms.
11851 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11853 * cpp.texi: Update for -MT.
11854 * cppinit.c (initialize_dependency_output): Add a default
11855 target if none has been given already.
11856 (no_tgt, OPT_MT): New.
11857 (cpp_handle_option): Handle -MT. Update -M etc.
11858 * cpplib.h (struct cpp_options): Remove deps_target.
11859 * gcc.c (cpp_options): Handle -MT.
11860 * mkdeps.c (struct deps): Move from mkdeps.h.
11861 (deps_calc_target): Rename deps_add_default_target. Add a
11862 default target if none has been specified already.
11863 * mkdeps.h (struct deps): Move to mkdeps.c.
11864 (deps_calc_target): Rename deps_add_default_target.
11866 2000-01-03 Richard Henderson <rth@redhat.com>
11868 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11870 * c-typeck.c (push_init_level): Move checks for flexible array
11871 members and zero length arrays ...
11872 (pop_init_level): ... here. Silently discard empty initializations.
11874 * varasm.c (output_constructor): Update for sizeof change to
11875 zero-length arrays.
11877 * extend.texi (Zero Length): Clarify semantics.
11879 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11881 * configure.in (tm.h): Include isns-codes.h last.
11882 * configure: Rebuilt.
11884 2001-01-03 Richard Henderson <rth@redhat.com>
11886 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11887 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11889 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11891 * tradcpp.c (main): Make sure finclude() is called with a valid
11892 indepth value while handling -include.
11894 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11896 * gencodes.c (output_predicate_decls): New function.
11898 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11899 even if it is not the first time machmode.h is #included.
11900 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11901 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11902 * gcc.texi (Copyright): Added 2001.
11904 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11906 * c-common.c (c_common_lang_init): New function. Warn if format
11907 warning options which only have effects when used with -Wformat
11908 are used without -Wformat.
11909 * c-common.h (c_common_lang_init): Declare.
11910 * c-lang.c (lang_init): Call c_common_lang_init.
11911 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11913 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11915 * configure.in: Check for the mktemp command.
11916 * configure: Regenerate.
11917 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11918 $TEMP. Create temporary files with mktemp, if available at
11919 configure time; otherwise use set -C. Remove temporary files
11922 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11924 * configure.in: Require at least texinfo 4.0. Check for whether
11925 Pod::Man is sufficiently recent to regenerate GCC manpages.
11926 * configure: Regenerate.
11927 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11929 (GENERATED_MANPAGES): Define.
11930 (generated-manpages): New target. Depend on cpp.1 as well as
11932 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11933 configure to generated-manpages or empty) rather than on the
11934 manpages directly. Remove execute permission from installed
11935 gcov.1 as well as cpp.1.
11936 * cpp.1, gcov.1: Regenerate.
11938 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11940 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11941 tree_low_cst. Allow using cmpstrsi in more cases.
11943 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11945 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11948 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11950 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11951 * Makefile.in (HOST_CFLAGS): Mention build-make.
11953 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11955 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11958 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11960 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11963 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11966 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11967 reg_base_value and reg_known_value arrays.
11968 (init_alias_analysis): Add more cases to detect known values.
11969 * sched-deps.c (deps_may_trap_p): New function.
11970 (sched_analyze_2): Use it.
11972 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11974 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11975 don't discard an ASHIFTRT if we're shifting in a wider mode.
11977 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11979 * toplev.c (rest_of_compilation): Don't print basic block information
11980 when CFG isn't up to date.
11982 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11984 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11985 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11986 (UNALIGNED_SHORT_ASM_OP): Define.
11987 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11989 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11991 * fold-const.c (fold_convert): Fix typo.
11993 2001-01-02 Richard Henderson <rth@redhat.com>
11995 * c-common.h (ASM_INPUT_P): New.
11996 * c-parse.in (asm): Set it when needed.
11997 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11998 existance of an operand.
12000 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12002 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12003 (dwarf2out_frame_debug_expr): Likewise.
12004 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12006 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12008 * i386.c (ix86_split_to_parts): Return number of part required;
12010 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12012 (ix86_split_long_move): Use number of part returned
12013 by ix86_split_to_parts
12014 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12016 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12017 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12018 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12019 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12020 (ALIGN_MODE_128): Add TFmode.
12021 (IS_STACK_MODE): Likewise.
12022 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12023 (HARD_REGNO_OK): Support TFmodes.
12024 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12025 * i386.md (scheduler definitions): Use memory operand to determine
12026 fst/fld instructions; use mode attribute to determine real mode of
12028 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12029 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12031 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12033 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12035 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12037 * expr.c (store_constructor_field): Update ALIGN before calling
12040 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12042 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12045 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12047 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12050 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12052 * c-decl.c (start_function): Don't warn on third parameter to main.
12054 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12056 * tsystem.h: Define HAVE_DECL_GETOPT.
12058 2001-01-02 Philip Blundell <pb@futuretv.com>
12060 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12063 2001-01-02 Richard Henderson <rth@redhat.com>
12065 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12067 2001-01-02 Andreas Jaeger <aj@suse.de>
12069 * c-decl.c (c_decode_option): Remove support of
12070 -Wmissing-noreturn.
12072 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12073 (W_options): Add -Wmissing-noreturn here.
12075 * flow.c: Define lang_missing_noreturn_ok_p.
12076 (check_function_return_warnings): Use it.
12078 * c-common.h: Declare lang_missing_noreturn_ok_p.
12080 * c-lang.c (c_missing_noreturn_ok_p): New function.
12081 (lang_init): Set lang_missing_noreturn_ok_p.
12083 * invoke.texi (Warning Options): Document this.
12085 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12087 * extend.texi (C++ Extensions): New node for C++ attributes;
12088 describe init_priority and com_interface.
12089 * invoke.texi: Remove -finit-priority as it now has zero effect.
12090 * install.texi: Fix xref syntax.
12091 * md.texi: Likewise.
12093 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12095 * config.gcc (sparc64-wrs-vxworks*): New case.
12096 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12098 * config/sparc/sparc.c (sparc_override_options): Do support different
12099 pointer and architecture size.
12100 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12101 (POINTERS_EXTEND_UNSIGNED): Define.
12102 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12103 (FUNCTION_MODE): Define to be Pmode.
12104 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12106 * function.c (expand_function_end): Properly handle DECL_RESULT
12107 and copy when ptr_mode != Pmode.
12108 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12110 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12112 * c-common.c (c_common_nodes_and_builtins): Set prototype
12113 parameters for __builtin_fputs, __builtin_fputc and
12114 __builtin_fwrite. Don't declare plain fputc as a builtin.
12116 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12118 * loop.c (add_label_notes): Increment the label usage count when
12119 a note is added to an insn which refers to a CODE_LABEL.
12120 * gcse.c (add_label_notes): Likewise.
12122 2001-01-01 Andreas Jaeger <aj@suse.de>
12124 * loop.c (scan_loop): Use xmalloc to allocate movables.
12126 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12128 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12129 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12130 * reload1.c (REGISTER_MOVE_COST): Likewise.
12131 * regclass.c (REGISTER_MOVE_COST): Likewise.
12132 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12133 dimension. Adjust all users.
12134 (init_reg_sets_1): Iterate on all modes.
12135 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12136 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12137 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12138 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12139 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12140 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12141 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12142 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12143 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12144 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12145 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12146 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12147 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12148 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12149 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12150 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12151 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12152 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12153 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12154 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12155 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12156 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12157 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12158 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12159 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12160 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12161 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12163 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12165 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12166 arg VARIES_P. Call it with extra arg.
12167 (true_dependence): Likewise.
12168 * rtl.h (rtx_addr_can_trap_p): Declare.
12169 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12171 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12172 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12173 pic offset table register if it's zero. All callers changed.
12174 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12176 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12178 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12179 STRING_POOL_ADDRESS_P.
12181 * config/sparc/sparc.c (input_operand): Properly test for short op.
12183 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12184 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12185 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12186 * config/sparc/elf.h: No longer include sol2.h.
12187 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12188 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12190 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12192 2001-01-01 Michael Hayes <mhayes@redhat.com>
12194 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12195 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12196 (record_initial): Likewise.
12197 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12198 (remap_split_bivs): Likewise.
12200 2001-01-01 Michael Hayes <mhayes@redhat.com>
12202 * loop.c (loop_ivs_free): New function.
12203 (strength_reduce): Break out from...
12205 2001-01-01 Michael Hayes <mhayes@redhat.com>
12207 * loop.h (struct iv): New.
12208 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12209 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12210 'reg_biv_class' fields with 'regs' and 'n_regs'.
12211 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12212 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12213 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12215 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12217 * resource.c (mark_referenced_resources): Abort() before
12218 attempting to mark a pseudo register.
12219 (mark_set_resources): Likewise.
12221 2001-01-01 Michael Hayes <mhayes@redhat.com>
12223 * loop.h (REG_IV_CLASS): New accessor macro.
12224 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12225 * unroll.c (REG_IV_CLASS): Likewise.
12227 See ChangeLog.4 for earlier changes.