1 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
4 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
6 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
8 * i386.md (all uses of ext_register_operand): Make sure they are
9 VOIDmode; replace all uses outside zero_extend.
10 (and?i splitters): Use ext_register_operands.
11 (test?i peep2): Remove ignored constraints.
12 * i386.c (ext_register_operand): Check that operand is
13 eighter pseudo or hard or 'Q' register.
15 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17 * tree.h (struct record_layout_info_s): New field unpadded_align.
18 (set_lang_adjust_rli): New declaration.
19 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
20 it would have if not packed, do not downgrade DECL_ALIGN.
21 (lang_adjust_rli, set_lang_adjust_rli): New.
22 (start_record_layout): Initialize new field unpadded_align.
23 (debug_rli): Display it.
24 (place_union_field, place_field): Set it.
25 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
27 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
28 mean that; use proper names instead.
29 Print DECL_NO_STATIC_CHAIN.
31 * except.c (expand_builtin_frob_return_addr): Add missing call
32 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
33 (expand_builtin_eh_return): Likewise.
34 (expand_eh_return): Clean up ptr_mode != Pmode cases.
36 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
38 * doc/invoke.texi: Remove references to papers about sequence points
39 to readings.html, refer to that page.
41 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
43 * README: Update references to installation instructions.
45 2001-06-01 Laurent Guerby <guerby@acm.org>
46 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
48 * doc/install.texi: Define srcdir when sources come from CVS.
49 Significantly improve markup. Wrap overly long lines
51 2001-06-01 DJ Delorie <dj@redhat.com>
53 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
54 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
55 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
56 * install.texi: Move to doc/install-old.texi.
57 * gcc.texi: Move to doc, refer to install-old.texi.
58 * Makefile.in: Reflect move of docs to doc/.
59 * f/Make-lang.in: Ditto.
60 * java/Make-lang.in: Ditto.
61 * doc/.cvsignore: New.
63 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
65 * invoke.texi: use two spaces between command options, eliminate
66 some 'overfull hboxes'
68 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
70 * Makefile.in (s-mlib): Make backtick-commands always succeed.
71 (DRIVER_DEFINES): Ditto.
73 2001-05-31 Richard Henderson <rth@redhat.com>
75 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
76 also link against libgcc.a.
78 2001-05-31 Geoff Keating <geoffk@cygnus.com>
80 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
81 * config/mips/mips.c (mips_output_ascii): New function.
82 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
84 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
86 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
88 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
89 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
91 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
93 * install.texi (Configuration): Add html links for --with-gnu-as &
94 --with-gnu-ld and refer to them from hppa & SCO triplets.
95 (Specific): Link back to with-gnu-ld for all ELF platfoms.
96 (Specific): Reword AVR binutils recommendation.
98 2001-05-30 Zack Weinberg <zackw@stanford.edu>
100 * ggc-page.c (size_lookup): Increase minimum allocation size
102 (ggc_print_statistics): Report size of each bin in bytes, not
103 as its order; there is no longer a direct relationship.
105 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
107 * extend.texi: Fix formating of examples, eliminate some
109 * gcc.texi: Eliminate some 'overfull hboxes'.
110 * invoke.texi: Use two spaces between command options, eliminate
111 some 'overfull hboxes'.
113 2001-05-30 Richard Henderson <rth@redhat.com>
115 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
117 2001-05-30 Tom Tromey <tromey@redhat.com>
119 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
120 use it in the new association.
122 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
123 John David Anglin <dave@hiauly1.hia.nrc.ca>
125 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
126 to target type to allow ISO C++ compiler to accept it.
127 * gthr-dce.h (__gthread_active_ptr): Likewise.
128 * gthr-solaris.h (__gthread_active_ptr): Likewise.
130 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
132 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
133 so that we do accept comments in preprocessed input.
135 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
137 * cpphash.c (alloc_node): Cast allocated pointer.
139 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
141 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
143 2001-05-29 Stan Shebs <shebs@apple.com>
145 * gcc.texi: Add links for information about Objective-C.
147 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
149 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
150 /bin/sed fails on [^\"]).
151 (configargs.h): Likewise.
153 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
155 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
157 2001-05-28 Stan Shebs <shebs@apple.com>
159 * objc/objc.gperf: Remove, no longer used.
161 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
163 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
164 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
165 Remove trailing whitespace.
167 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
169 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
170 became http://freeware.sgi.com/.
172 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
174 * local-alloc.c (update_equiv_regs): Don't eliminate constant
177 2001-05-27 Stan Shebs <shebs@apple.com>
179 * objc/objc-act.c: Add/fix various comments.
180 (init_selector): Remove, no longer used.
181 (build_msg_pool_reference): Ditto.
184 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
186 * c-decl.c (init_decl_processing):
187 Don't call start_identifier_warnings.
188 * flags.h (warn_id_clash, id_clash_len): Remove.
189 * stringpool.c: Don't include flags.h.
190 (scan_for_clashes, do_identifier_warnings,
191 start_identifier_warnings): Remove.
192 * toplev.c (warn_id_clash, id_clash_len): Remove.
193 (display_help): Don't document -Wid-clash.
194 (decode_W_option): Print warning on -Wid-clash.
195 * tree.h (start_identifier_warnings): Remove.
196 * invoke.texi: Remove documentation of -Wid-clash.
198 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
200 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
202 2001-05-27 Bruce Korb <bkorb@gnu.org>
204 * fixinc/check.tpl(HACK) add and use a Scheme variable
205 (has no test text): error out if no "test_text" is defined
206 * fixinc/fixincl.tpl: likewise
207 (FIXIDX): make it an enumeration so we minimize diffs
208 * fixinc/inclhack.def: re-alphabetize and add sort instructions
209 * fixinc/fixincl.x: regenerate
210 * fixinc/tests/base/stdio.h: test output got moved due to
212 * README-fixinc: rewrite (mostly)
214 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
216 * cpplib.c (run_directive): Set pfile->directive.
218 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
220 * c-tree.texi: Reformat the manual as a single chapter now
221 included by gcc.texi.
222 * gcc.texi: Include c-tree.texi. Merge all indexes.
223 * Makefile.in (dvi): Add generation for the cppinternals
224 documentation. Added dependencies on fdl.texi and c-tree.texi
225 where appropriate. Use TEXI2DVI instead of custom tex calls.
226 (info): Added dependencies on fdl.texi and c-tree.texi where
227 appropriate. Remove the target c-tree.info.
229 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
231 * combine.c (try_combine): Fix typo in comment.
232 * expr.c (expand_expr): Likewise.
233 * config/i370/i370.md (untyped_call): Likewise.
235 2001-05-26 Bruce Korb <bkorb@gnu.org>
237 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
238 when fixincl is operating in test mode
239 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
240 (AAB_ultrix_limits): remove redundant text
241 (AAB_ultrix_memory): ditto
242 (AAB_ultrix_string): ditto
243 (djgpp_wchar_h): fix the test text
244 (irix_stdio_va_list): add test text
245 (irix_limits_const): add a testing output file (limits.h is overwritten)
246 (strict_ansi_not_ctd): put limits.h second in list for same reason
247 (solaris27_mutex_init): test text needed selection text, too
249 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
250 when fixincl is operating in test mode
252 2001-05-26 Philip Blundell <philb@gnu.org>
254 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
255 * config/i960/i960-protos.h: Likewise.
256 * config/i370/i370-protos.h: Likewise.
257 * config/h8300/h8300-protos.h: Likewise,
258 * config/sh/sh-protos.h: Likewise.
259 * config/v850/v850-protos.h: Likewise.
261 2001-05-26 Philip Blundell <philb@gnu.org>
263 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
265 2001-05-25 Zack Weinberg <zackw@stanford.edu>
267 * toplev.c (debug_args, f_options, W_options): Mark
268 descriptions for translation.
269 (display_help): Translate descriptions on output.
271 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
272 objc/lang-options.h: Mark descriptions for translation.
274 * aclocal.m4: Quote final argument of patsubst. Use
275 3-argument form of AC_DEFINE. Restore quotes to [] while
277 * configure.in: Remove unnecessary changequote calls.
278 * configure, config.in: Regenerate.
280 2001-05-25 Sam TH <sam@uchicago.edu>
282 * basic-block.h: Fix header include guards.
283 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
284 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
285 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
286 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
287 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
288 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
289 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
290 varray.h version.h: Likewise.
291 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
292 config/arm/arm.h config/c4x/c4x-protos.h
293 config/h8300/h8300-protos.h config/h8300/h8300.h
294 config/i370/i370-protos.h config/i370/i370.h
295 config/i960/i960-protos.h config/mcore/mcore.h
296 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
297 config/v850/v850-protos.h config/v850/v850.h: Likewise.
298 * fixinc/fixlib.h fixinc/server.h: Likewise.
300 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
302 * config/arc/initfini.c (.init): Fix typo.
304 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
306 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
308 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
310 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
312 2001-05-25 Richard Henderson <rth@redhat.com>
314 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
316 2001-05-25 Richard Henderson <rth@redhat.com>
318 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
319 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
320 (sparc*-*-solaris2): Likewise.
321 * config/t-linux: Remove shared libgcc macros.
322 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
323 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
325 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
327 * config.gcc (*-*-freebsd*): Report bad configuration.
329 2001-05-25 David Edelsohn <edelsohn@gnu.org>
331 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
333 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
335 (ASM_OUTPUT_LABELREF): Delete.
337 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
339 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
340 strict_ansi_only): Don't run if stdc_0_in_system_headers.
341 * fixinc/fixincl.x: Regenerate.
342 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
343 (FIX_TEST_TABLE): Declare it.
344 * fixinc/fixlib.h: Include config.h.
346 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
348 * fixinc/inclhack.def (alpha___assert): Change char * args to
349 const char * on Tru64 UNIX to avoid excessive warnings from
351 * fixinc/fixincl.x: Regenerate.
353 2001-05-25 Geoff Keating <geoffk@redhat.com>
355 * dbxout.c (dbxout_symbol): Invert previous patch, which was
356 outputting a tag only for variable-size records.
358 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
360 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
361 instead of rtx_equal_p for early clobber test.
363 2001-05-26 Mark Mitchell <mark@codesourcery.com>
365 * builtins.def: Encode additional information, such as names and
367 * builtin-types.def: New file.
368 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
369 (built_in_decls): Likewise. Don't explicitly initialize global
371 (expand_builtin_mathfn): Handle float and long double variants of
373 (expand_builtin): Likewise.
374 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
375 (expand_tree_builtin): Handle long, long long, float, and long
376 double variants of math functions.
377 * c-common.h (c_tree_index): Remove some unused nodes.
378 (void_ftype): Remove.
379 (void_type_ptr): Likewise.
380 (int_ftype_int): Likewise.
381 (ptr_ftype_sizetype): Likewise.
382 * c-decl.c (init_decl_processing): Remove creation of DWARF
384 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
385 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
386 * Makefile.in (c-common.o): Depend on builtin-types.def.
388 2001-05-25 Dale Johannesen <dalej@apple.com>
390 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
392 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
394 * c-parse.in (notype_initdcl): Remove redundant line.
396 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
398 * aclocal.m4: Fixed typo.
399 (gcc_AC_HEADER_STDBOOL): Define.
400 (gcc_AC_C__BOOL): Define.
401 * configure.in: Use them.
402 (AC_CHECK_HEADERS): Remove stdbool.h
403 * configure, config.in: Regenerate.
405 2001-05-25 Richard Henderson <rth@redhat.com>
407 * function.c (expand_function_start): Don't abort on PARALLEL
408 returns from hard_function_value.
410 2001-05-25 Richard Henderson <rth@redhat.com>
412 * config/i386/i386.md: Revert previous change. Do not apply
413 the peephole if the components do not die after the sequence.
415 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
417 * c-parse.in (array_declarator): New. Handle C99 constructs.
418 Don't restrict [*] declarators to C only.
419 (after_type_declarator, parm_declarator_starttypename,
420 parm_declarator_nostarttypename, notype_declarator,
421 direct_absdcl1): Use it.
422 * c-decl.c (build_array_declarator, set_array_declarator_type):
423 New functions. Warn that [*] isn't properly implemented; pedwarn
424 for [*] outside C99 mode if pedantic rather than giving a hard
426 (grokdeclarator): Handle static and type qualifiers in parameter
428 * c-tree.h (build_array_declarator, set_array_declarator_type):
430 * extend.texi (Attribute Syntax): Document attributes in parameter
433 2001-05-25 Mark Mitchell <mark@codesourcery.com>
435 * config/i386/i386.md: Make sure cmpstr peepholes do not
436 affect liveness information.
438 2001-05-24 Mark Mitchell <mark@codesourcery.com>
440 * c-typeck.c (digest_init): Issue error messages about
441 invalid constants, not warnings.
443 2001-05-24 Mark Mitchell <mark@codesourcery.com>
445 * invoke.texi (-fno-builtin): Document that this is always on
448 2001-05-24 Philip Blundell <philb@gnu.org>
450 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
453 2001-05-24 Philip Blundell <philb@gnu.org>
455 * config/arm/arm.c (output_return_instruction): Correctly handle
456 interworking and interrupt functions.
458 2001-05-24 Philip Blundell <philb@gnu.org>
460 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
461 -m{no-}sched-prolog. Fix typos and improve formatting.
463 2001-05-24 Philip Blundell <philb@gnu.org>
465 * invoke.texi (ARM Options): Improve wording slightly. Add
466 documentation for more options, including those for Thumb mode.
467 Don't mention options that don't exist or are unimplemented.
468 (Thumb Options): Delete; merged into above section.
470 2001-05-24 Geoff Keating <geoffk@redhat.com>
472 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
473 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
475 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
477 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
478 fix hard register simplification.
480 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
482 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
483 of just copying CPP_CPU_SPEC.
485 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
487 * i386.c (incdec_operand): Accept only 1 and -1.
489 2001-05-23 Kelley Cook <kelley.cook@home.com>
491 * Makefile.in: Move many of the *_H definitions eariler in the
492 file, so that rules in t-* files that use them for
493 dependencies will work in a parallel build.
494 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
496 2001-05-23 Richard Henderson <rth@redhat.com>
498 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
500 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
502 * cpp.texi: Update for handling of charconsts.
503 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
504 diagnostics. Skip to the end if the UCS is too short.
505 (cpp_interpret_charconst): Long charconsts issue a warning
508 2001-05-23 Richard Henderson <rth@redhat.com>
510 * doc/install.texi (alpha-linux): Require binutils 2.11.
512 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
514 * c-lex.c (read_escape, read_ucs): Delete.
515 (lex_string): Use cpp_parse_escape.
516 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
517 if not C++ or not C99. Warn if traditional.
518 (parse_escape): Rename cpp_parse_escape. Make the bitmask
519 unsigned. Warn for out-of-range escape sequences here.
520 Update to use maybe_read_ucs.
521 (cpp_interpret_charconst): Don't warn here.
522 * cpplib.h (cpp_parse_escape): New exported function.
524 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
526 * extend.texi (Attribute Syntax): Clarify application of
527 attributes to parameters declared as functions or arrays.
529 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
531 * dbxout.c (dbxout_type_methods): Do still group methods by name.
533 2001-05-23 Zack Weinberg <zackw@stanford.edu>
535 * diagnostic.c (vnotice): Kill.
536 (fnotice): Call vfprintf directly.
537 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
538 verbatim, set_diagnostic_context): Rename string argument to
539 indicate that it is run through gettext.
540 (vbuild_message_string, build_message_string, output_do_printf):
541 Rename string argument to indicate that it is NOT run through
543 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
544 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
545 Run msgid argument through gettext.
546 (default_print_error_function): Run constant strings through
547 gettext when nothing else will.
548 (fatal_error, internal_error, error_recursion): Use fnotice.
549 Present complete sentences to gettext.
551 2001-05-23 Mark Mitchell <mark@codesourcery.com>
553 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
555 2001-05-23 Richard Henderson <rth@redhat.com>
557 * function.c (expand_function_start): Always use a pseudo
558 for the function result value.
560 2001-05-22 Richard Henderson <rth@redhat.com>
562 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
563 section pointer alignment.
565 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
567 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
568 of __USER_LABEL_PREFIX__.
570 2001-05-22 Richard Henderson <rth@redhat.com>
572 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
573 (__deregister_frame_info_bases): New.
574 * unwind-dw2-fde.h: Declare it.
575 * libgcc-std.ver: Export it.
576 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
577 called __register_frame_info_bases.
579 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
581 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
582 instead of #elif (which is OK for this case but not in general).
584 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
586 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
587 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
588 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
589 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
590 "r2" to the assembly file. Only issue allocs with non-zero parameters.
592 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
593 David O'Brien <obrien@freebsd.org>
595 * config/freebsd.h (LIB_SPEC): Key the exact setting to
596 configure-time options and target version of FreeBSD. Set-up
597 to match architectural change in threading support. Correctly
598 report when -pthread option is not supported by configure-time
600 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
601 and extend to encode target version number in run-time setting
602 of __FreeBSD__ macro to match the system compiler.
603 (CPP_PREDEFINES): Likewise.
604 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
606 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
607 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
609 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
610 David O'Brien <obrien@freebsd.org>
612 * config.gcc (the unlabeled system switch statement): Add
613 generic configuration section to handle *-*-freebsd*. Also,
614 to match the system compiler, default to threading support (it
615 may be disabled with the standard --disable-threads
616 configuration-time switch).
617 (i[34567]86-*-freebsd* in machine-specific section): Use it.
618 (alpha*-*-freebsd* in machine-specific section): Likewise.
620 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
621 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
622 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
623 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
624 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
626 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
627 David O'Brien <obrien@freebsd.org>
629 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
630 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
631 -pthread instead setting macro.
633 2001-05-22 Richard Henderson <rth@redhat.com>
635 * crtstuff.c (__register_frame_info_bases): Declare.
636 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
637 (__do_global_dtors_aux, __do_global_dtors): Streamline.
639 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
640 (CRT_GET_RFIB_DATA): New.
641 * config/i386/sysv4.h: Likewise.
642 * config/i386/sco5.h: Likewise.
643 (ASM_PREFERRED_EH_DATA_FORMAT): New.
645 2001-05-22 Richard Henderson <rth@redhat.com>
647 * rtl.c (read_string): Break out from ...
648 (read_rtx): ... here.
650 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
652 * doc/install.texi (Specific): Remove a bogus and duplicate part
653 copied from the end of the document.
655 2001-05-22 Bernd Schmidt <bernds@redhat.com>
657 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
659 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
661 * install.texi: Remove obsolete information on SunOS as well as
662 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
663 (Installing GNU CC on the Sun): Remove section.
665 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
667 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
668 keep errno unchanged on success.
670 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
672 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
673 once for hexadecimal floats, whether or not they contain a decimal
674 point. Don't let the setting of pedantic otherwise affect the
675 parsing of hexadecimal floats.
677 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
679 * README.ACORN: Remove obsolete file.
681 2001-05-22 Jan Hubicka <jh@suse.cz>
683 * combine.c (gen_binary): Use swap_commutative_operands_p
684 (simplify_comparison): Likewise.
685 * expmed.c (emit_store_flag): Likewise.
686 * expr.c (compare_from_rtx): Likewise.
687 (do_compare_rtx_and_jump): Likewise.
688 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
689 if not emitting a branch and operands want swapping.
691 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
693 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
694 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
695 (maybe_get_identifier): Update.
696 * tree.h (make_identifier): Delete.
698 2001-05-21 Richard Henderson <rth@redhat.com>
700 * combine.c (subst): Do not substitute for a register as
701 a destination subreg/strict_low_part/zero_extract.
703 * combine.c (simplify_comparison): Update op1 after constant
705 * recog.c (const_int_operand): Accept only constants valid
707 * genrecog.c: Update comments wrt const_int_operand.
709 * emit-rtl.c (init_emit_once): Zero unused memory in a
712 2001-05-21 Mark Mitchell <mark@codesourcery.com>
714 * tree.h (type_num_arguments): Declare it.
715 * tree.c (type_num_arguments): New function.
717 2001-05-21 Richard Henderson <rth@redhat.com>
719 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
722 2001-05-21 Geoff Keating <geoffk@redhat.com>
724 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
726 (minsf3): Use rs6000_emit_minmax.
727 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
729 (movsfcc): Use rs6000_emit_cmove.
730 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
731 Don't generate emit_fselsfsf4.
732 (fseldfsf4): Likewise.
733 (maxdf3): Use rs6000_emit_minmax.
735 (mindf3): Use rs6000_emit_minmax.
736 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
738 (movdfcc): Use rs6000_emit_cmove.
739 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
740 Don't generate emit_fselsfsf4.
741 (fselsfdf4): Likewise.
742 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
743 (min_max_operator): New predicate.
744 (rs6000_emit_cmove): New function.
745 (rs6000_emit_minmax): New function.
746 * config/rs6000/rs6000-protos.h: Prototype new functions.
747 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
748 and min_max_operator.
750 * config/rs6000/rs6000.c (output_cbranch): Handle all
751 conditional types in the switch statement.
753 2001-05-21 Mark Mitchell <mark@codesourcery.com>
755 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
756 non-register variables.
757 * extend.texi: Document that asm-specifications do not make sense
758 for non-static local variables.
760 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
762 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
763 (dbxout_type_fields): Lose minimal_debug support.
764 (dbxout_type_methods, dbxout_type): Likewise.
766 2001-05-17 Andrew Haley <aph@redhat.com>
768 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
770 2001-05-21 Richard Henderson <rth@redhat.com>
772 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
775 2001-05-20 Richard Henderson <rth@redhat.com>
777 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
778 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
779 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
780 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
781 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
783 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
784 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
785 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
786 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
787 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
788 DEBUG_PUBNAMES_SECTION): Rename as above.
789 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
791 2001-05-20 Richard Henderson <rth@redhat.com>
793 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
794 operands unless the operation is commutative.
796 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
798 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
801 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
803 * extend.texi: Clarify documentation of extensions included in ISO
804 C99. Prefer C99 terminology and syntax to old GNU terminology and
805 syntax. Add more index entries. Document mixed declarations and
806 code as an extension in C89 mode. Warn about future changes to
807 semantics of inline functions. Fixes PR other/930.
809 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
811 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
812 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
813 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
814 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
816 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
818 2001-05-20 Richard Henderson <rth@redhat.com>
820 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
821 to be output before a branch.
823 2001-05-20 Richard Henderson <rth@redhat.com>
825 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
827 2001-05-20 Richard Henderson <rth@redhat.com>
829 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
830 (ASM_DOUBLE): Remove.
831 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
832 * config/i386/sun386.h: Likewise.
834 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
835 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
837 * config/i386/cygwin.h (INT_ASM_OP): Remove.
838 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
839 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
840 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
842 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
843 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
844 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
845 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
846 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
847 * config/i386/win32.h: Likewise.
849 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
851 * invoke.texi: Add more options to summary list.
853 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
855 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
856 used. Fixes PR c/2291.
859 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
861 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
862 the -fpic and -fPIC options, clear flag_pic.
864 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
866 * hashtable.c (calc_hash): Fix HASHSTEP definition.
867 * stringpool.c (make_identifier): No statistics here anymore.
868 * objc-act.c (steup_string_decl): Remove redundant check.
870 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
872 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
873 cpplib.o, cpphash.o, fix-header): Update.
874 (hashtable.o): New target.
875 * c-common.h: Include cpplib.h. Define C_RID_CODE and
876 struct c_common_identifier here.
877 * c-lang.c (c_init_options): Update. Call set_identifier_size.
878 * c-lex.c (c_lex): Update.
879 * c-pragma.h: Update.
880 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
882 (C_RID_CODE): Delete.
883 * cpphash.c: Rewrite to use hashtable.c.
884 * cpphash.h: Update include guards.
885 (struct cpp_reader): Remove hashtab.
886 hash_ob and buffer_ob are no longer pointers. Add hash_table
888 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
889 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
890 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
891 * cppinit.c (cpp_create_reader): Update.
892 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
893 (cpp_interpret_charconst): Eliminate warning.
894 * cpplib.c (do_pragma, do_endif, push_conditional,
895 cpp_push_buffer, cpp_pop_buffer): Update.
896 (_cpp_init_stacks): Rename cpp_init_directives.
897 (_cpp_cleanup_stacks): Remove.
898 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
899 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
900 cpp_forall_identifiers, cpp_create_reader): Update.
901 (C_RID_CODE, cpp_make_node): New.
902 (c_common_identifier): New identifier node for C front ends.
903 * cppmain.c (main): Update.
904 * fix-header.c (read_scan_file): Update.
905 * flags.h (id_clash_len): Make unsigned.
906 * ggc.h (ggc_mark_nonnull_tree): New.
909 * stringpool.c: Update comments and copyright. Update to use
911 * toplev.c (approx_sqrt): Move to hashtable.c.
912 (id_clash_len): Make unsigned.
913 * toplev.h (ident_hash): New.
914 * tree.c (gcc_obstack_init): Move to hashtable.c.
915 * tree.h: Include hashtable.h.
916 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
917 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
918 (struct tree_identifier): Update.
919 (make_identifier): New.
921 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
922 (C_RID_CODE): Remove.
923 * lex.c (cxx_init_options): Call set_identifier_size. Update.
924 (init_parse): Don't do it here.
926 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
928 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
930 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
932 (expand_eh_return): Convert between word_mode and Pmode.
933 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
935 (execute_stack_op): Likewise.
936 (execute_cfa_program): Likewise.
937 (uw_frame_state_for): Likewise.
938 (uw_update_context_1): Likewise.
939 * unwind.inc (_Unwind_Reason_Code): Likewise.
940 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
941 (EH_RETURN_STACKADJ_RTX): Likewise.
942 * config/mips/mips.c (compute_frame_size): Make space for saving
944 (mips_expand_epilogue): Handle EH stack adjustments.
945 * config/mips/mips.md (eh_return): New pattern.
946 (eh_set_lr_si): Likewise.
947 (eh_set_lr_di): Likewise.
948 Add splitter to perform EH return after reload.
950 2001-05-19 Mark Mitchell <mark@codesourcery.com>
952 * jump.c (mark_jump_label): Tidy previous change.
954 2001-05-19 Bruce Korb <bkorb@gnu.org>
956 * fixinc/genfixes: no need for two warnings
957 * fixinc/Makefile.in: open stdin for those building with a closed one.
959 2001-05-19 Mark Mitchell <mark@codesourcery.com>
961 * jump.c (jump_optimize_1): Tidy.
962 (mark_jump_label): When changing the label in a LABEL_REF, change
963 update any REG_EQUAL notes as well.
965 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
967 * c-parse.in (parm_declarator): Split into
968 parm_declarator_starttypename and parm_declarator_nostarttypename.
969 (parm_declarator_starttypename, parm_declarator_nostarttypename):
970 New. Allow parenthesised sub-declarators which don't begin with a
971 TYPENAME. Fixes PR c/166.
973 2001-05-19 Mark Mitchell <mark@codesourcery.com>
975 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
977 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
979 * toplev.c (main): If the target does not allow profiling without
980 a frame pointer, issue an error message.
981 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
984 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
986 * recog.c (general_operand): Modify last change to allow it if reload
989 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
991 * recog.c (general_operand): Prohibit nonzero subreg bytes on
992 subregs containing mem.
994 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
996 * regrename.c (regrename_optimize): frame pointer register can
999 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1001 * README.DWARF: Move into dwarfout.c.
1003 2001-05-18 Dale Johannesen <dalej@apple.com>
1005 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1006 specific misuse of r0 as a reload address.
1008 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1010 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1013 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1015 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1016 (add_to_sequence): Make that decision type.
1017 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1018 (write_switch, write_cond, debug_decision_2): Likewise.
1020 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1022 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1025 2001-05-18 Stan Shebs <shebs@apple.com>
1027 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1028 * configure: Regenerate.
1030 2001-05-18 Per Bothner <per@bothner.com>
1032 Changes needed for java/jvspec.c
1033 * gcc.h (n_infiles, outfiles): Add declarations.
1034 * gcc.c (n_infiles, outfiles): Mske no longer static.
1036 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1038 * config/pa/som.h (EXCEPTION_SECTION): Define.
1040 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1042 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1044 Add have_location_lists, a variable to determine whether we need a
1045 .debug_loc section or not.
1046 (enum dw_val_class): Add dw_val_class_loc_list.
1047 (dw_val_struct): Add val_loc_list.
1048 (dw_loc_list_struct): New structure, represents location lists.
1049 (new_loc_list): New function, return a new location list, given
1050 the range and location expression.
1051 (add_loc_descr_to_loc_list): New function, add a location
1052 expression to a location list, given the expression and range.
1053 (output_loc_list): New function, output a location list.
1054 (gen_internal_sym): Modified to take symbol prefix, so we can
1055 reuse it for location list symbols.
1056 (add_AT_loc_list): New function, add a location list to a DIE at
1057 the named attribute.
1058 (AT_loc_list): New function, return the location list reference
1059 for a given attribute, if it's a location list.
1060 (print_die): Handle dw_val_class_loc_list.
1061 (size_of_die): Ditto.
1062 (value_format): Ditto.
1063 (output_die): Ditto.
1064 (output_location_lists): New function, output all of the location
1065 lists for a DIE and it's children.
1066 (dwarf2out_finish): Call output_location_lists if we have location
1070 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1072 * gcse.c (try_replace_reg): First try global replace, later try to
1073 simplify the expression.
1075 * gcse.c (find_used_regs): Change calling convention; work via
1077 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1079 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1082 2001-02-09 Nick Clifton <nickc@redhat.com>
1083 * config/arm/arm.md: Change output constraint on post inc
1084 load/store multiple patterns to be a read/write constraint.
1086 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1088 * basic-block.h (struct basic_block_def): Add documentation about
1089 what a basic block is, and what the various fields are used for.
1090 * flow.c (calculate_globlal_regs_live): Add documentation about
1091 how the algorithm works, and how we know that it will terminate.
1092 Check that the the inductive assumption that guarantees
1093 termination actually holds.
1094 (mark_used_regs): Treat conditionally set registers as used.
1095 (debug_regset): Add comment.
1096 * rtl.texi (cond_exec): Add documentation.
1098 * function.c (expand_function_start): Avoid creating BLKmode
1101 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1103 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1104 DIE, even if it has no children.
1105 (dwarf2out_finish): Always output the line-number table, even if
1108 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1110 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1112 2001-05-17 Bruce Korb <bkorb@gnu.org>
1114 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1115 * fixinc/genfixes: emit a warning if AutoGen is out of date
1117 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1118 Bruce Korb <bkorb@gnu.org>
1120 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1121 found in fixinc directory. Facilitates binary distributions.
1123 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1125 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1128 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1130 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1132 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1134 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1135 (simplify_subreg): Handle complex types represented as CONCAT.
1137 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1138 * rtl.h (swap_commutative_operands_p): Declare.
1139 * rtlanal.c (swap_commutative_operands_p): New.
1140 (operand_preference): New static function.
1142 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1143 (gen_binary): Likewise.
1144 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1145 * simplify-rtx.c (simplify_gen_binary,
1146 simplify_gen_relational): Likewise.
1148 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1150 * cse.c (fold_rtx): Use simplify_subreg.
1152 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1153 (simplify_gen_subreg): New.
1154 (simplify_rtx): Use simplify_subreg.
1155 * rtl.h (simplify_gen_subreg): Declare.
1157 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1159 * doc/install.texi: Update Solaris information.
1161 * except.h (protect_cleanup_actions): Remove it.
1162 (lang_protect_cleanup_actions): Declare it.
1163 * except.c (protect_cleanup_actions): Remove it.
1164 (lang_protect_cleanup_actions): New variable.
1165 (init_eh): Don't make protect_cleanup_actions a GC root.
1166 (expand_eh_region_and_cleanup): Call
1167 lang_protect_cleanup_actions.
1168 (output_function_exception_table): Remove unused `align'
1170 * varasm.c (assemble_external): Abort if we have not yet
1171 opened the assembly output file.
1173 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1175 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1176 for eh_personality_libfunc.
1178 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1180 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1181 when calling simplify_subreg. This is needed to allow replacing
1182 of expression of one mode by expression of different mode.
1184 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1186 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1188 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1190 * expr.c (protect_from_queue): Protect against subsequent calls to
1192 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1195 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1197 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1199 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1201 * gccbug.in (CATEGORIES): Add "bootstrap".
1203 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1205 * simplify-rtx.c (simplify_subreg): Break out from ...
1206 * combine.c (combine_splify_rtx) ... here and ...
1207 * recog.c (validate_replace_rtx_1): ... here;
1208 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1209 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1210 (subreg_lowpart_p): ... here.
1212 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1214 * stmt.c (expand_asm_operands): For inout operands, make sure
1215 the substitution of '=' for '+' makes it into the rtl.
1217 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1218 (reload_as_needed): Call update_eliminable_offsets a bit later.
1220 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1222 * gcc.texi (gccbug): Refer to the web pages for detailed information
1225 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1227 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1229 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1230 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1231 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1232 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1233 * cross-make: Don't set LIBGCC1.
1234 * mklibgcc.in: Delete all code for building from libgcc1.c.
1235 Always honor LIB1ASMFUNCS if set.
1237 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1238 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1239 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1240 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1241 config/i386/uwin.asm, config/m68hc11/larith.asm,
1242 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1243 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1244 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1245 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1246 Delete or update references to libgcc1 in commentary.
1248 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1249 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1250 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1251 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1252 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1253 config/arm/t-semi, config/arm/t-strongarm-coff,
1254 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1255 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1256 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1257 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1258 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1259 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1260 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1261 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1262 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1263 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1264 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1265 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1266 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1267 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1268 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1269 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1270 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1271 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1272 config/mips/t-ultrix, config/mn10200/t-mn10200,
1273 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1274 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1275 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1276 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1277 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1278 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1279 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1280 config/sparc/t-sparclite, config/sparc/t-splet,
1281 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1282 config/sparc/t-vxsparc64, config/v850/t-v850:
1283 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1285 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1286 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1287 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1288 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1289 nongcc_SI_type, nongcc_word_type, or perform_*
1290 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1292 * config/i386/386bsd.h, config/i386/beos-elf.h,
1293 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1294 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1295 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1296 Don't include i386/perform.h.
1298 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1299 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1300 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1301 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1302 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1303 config/vax/t-openbsd, config/vax/t-vax: Delete.
1305 * config.gcc: Remove references to deleted files.
1306 (arm-semi-aof): Use arm/t-semi for tmake_file.
1308 * gcc.texi, install.texi, invoke.texi, tm.texi:
1309 Delete or rewrite text which is no longer relevant now that
1310 libgcc1 no longer exists.
1312 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1313 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1315 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1316 Bruce Korb <bkorb@gnu.org>
1318 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1321 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1323 * i386.md: Add two peepholes to clean up code generated by
1326 2001-05-16 Richard Henderson <rth@redhat.com>
1328 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1329 variants of non-absolute encodings.
1331 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1333 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1334 __register_frame_info_table_bases): Export.
1336 2001-05-16 Richard Henderson <rth@redhat.com>
1338 * except.c (eh_data_format_name): Move to ...
1339 * dwarf2asm.c: ... here. Use designated initializers if available.
1340 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1341 * dwarf2asm.h: Update declarations.
1342 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1343 ASM_PREFERRED_EH_DATA_FORMAT.
1344 (output_call_frame_info): Likewise. Use 'L' augmentation for
1347 * unwind-dw2-fde.h (struct fde_vector): New.
1348 (struct old_object): Rename from struct object.
1349 (struct object): New.
1350 (__register_frame_info_bases): Declare.
1351 (__register_frame_info_table_bases): Declare.
1352 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1353 * unwind-dw2-fde.c (objects): Remove.
1354 (unseen_objects, seen_objects): New.
1355 (__register_frame_info_bases): New.
1356 (__register_frame_info): Use it.
1357 (__register_frame_info_table_bases): New.
1358 (__register_frame_info_table): Use it.
1359 (__deregister_frame_info): Rewrite for changed object struct.
1360 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1361 (fde_unencoded_compare): Rename from fde_compare; uninline.
1362 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1363 (start_fde_sort): Adjust for new definition of fde_vector.
1364 (fde_insert): Likewise.
1365 (end_fde_sort): Likewise. Select comparison function based
1366 on properties of the object.
1367 (fde_split): Take object and fde_compare_t arguments.
1368 (frame_heapsort, fde_merge): Likewise.
1369 (classify_object_over_fdes): Rename from count_fdes. Handle
1370 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1372 (add_fdes): Handle encoded pointers.
1373 (init_object): Rename from frame_init. Update for new struct object.
1374 (linear_search_fdes): Rename from search_fdes. Handle encoded
1376 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1377 (binary_search_single_encoding_fdes): New.
1378 (binary_search_mixed_encoding_fdes): New.
1379 (search_object): New.
1380 (_Unwind_Find_FDE): Update for new struct object. Fill in
1382 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1383 iterating over EH data.
1384 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1385 fde_encoding, lsda_encoding.
1386 (read_uleb128, read_sleb128): Remove.
1387 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1388 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1389 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1391 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1393 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1395 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1396 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1397 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1398 cpp_spell_token, cpp_output_token): Similarly.
1399 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1400 do_pragma_poison, parse_assertion, do_assert): Similarly.
1401 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1402 save_parameter, _cpp_create_definition, check_trad_stringification,
1403 cpp_macro_definition): Similarly.
1404 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1405 * c-lex.c (cb_undef, c_lex): Similarly.
1406 * fix-header.c (recognized_function): Similarly.
1407 * cpplib.h (NODE_LEN, NODE_NAME): New.
1408 (cpp_hashnode): Rename length len.
1410 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1412 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1415 2001-05-16 Andreas Jaeger <aj@suse.de>
1417 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1419 * toplev.c: Include dwarf2asm.h for prototype of
1420 dw2_output_indirect_constants.
1422 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1424 * stmt.c (expand_asm_operands): Be able to offload addressof
1425 expression to memory. (PR optimization/185)
1427 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1429 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1430 applying distributive law.
1432 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1434 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1436 * gthr-dce.h (UNUSED): Attribute unused macro.
1437 (__gthread_key_dtor): Make arguments UNUSED.
1438 (__gthread_key_delete): Revise for compatibility with DRAFT4
1441 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1443 * doc/install.texi: Update AIX information.
1444 * README.RS6000: Remove obsolete file.
1446 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1447 Nathan Sidwell <nathan@codesourcery.com>
1449 * gcc.c (give_switch): Don't write before start of string.
1450 Always append suffix.
1452 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1454 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1457 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1459 * README.ALTOS: Remove obsolete file.
1461 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * c-lex.h (save_and_forget_protocol_qualifiers,
1464 forget_protocol_qualifiers, remember_protocol_qualifiers):
1465 Remove deleted functions' prototypes.
1467 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1469 * c-parse.in (methodtype): New production.
1470 (methoddef, methodproto): Collapse separate '-' and '+'
1473 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1475 * c-common.h (RID_FIRST_PQ): New.
1476 * c-parse.in (objc_pq_context): New.
1477 (objc parser): Set objc_pq_context rather than calling
1478 remember_protocol_qualifiers and forget_protocol_qualifiers.
1479 Don't call save_and_forget_protocol_qualifiers.
1480 (yylexname): Handle objc protocol qualifiers here.
1481 * stringpool.c (struct str_header): Replace with sp_hashnode.
1482 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1483 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1484 Allocate an IDENTIFIER_NODE for each identifier.
1485 (FORALL_STRINGS, set_identifier): Delete.
1486 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1487 (ggc_alloc_string): Use an obstack.
1488 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1489 * tree.h: Update comments.
1490 (set_identifier): Delete.
1491 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1492 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1493 remember_protocol_qualifiers): Delete.
1495 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1497 * flow.c (life_analysis): After life analysis is complete, do
1498 an optional scan over insns looking for REG_LABEL notes that
1499 reference a deleted label.
1500 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1501 before peeking at LABEL_NUSES.
1503 2001-05-15 Richard Henderson <rth@redhat.com>
1505 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1506 (_Unwind_GetTextRelBase): New.
1508 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1510 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1512 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1514 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1515 so that CHOOSE_SECTION gets used.
1517 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1518 TARGET_RELOCATABLE like flag_pic for now.
1520 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1522 * rs6000.md (movdi splitter): Sign extend more efficiently.
1523 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1524 to "long long" valid on 32-bit and 64-bit hosts.
1525 (logical_operand): Cast trunc_int_for_mode return value.
1526 (rs6000_emit_move): Shift macro to encapsulate variable.
1527 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1528 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1529 plus_constant requires signed argument.
1531 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1533 * gthr-posix.h: Make additional pthread-* functions weak.
1535 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1537 * recog.c (apply_change_group): Avoid unneeded validating.
1539 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1541 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1542 (num_insns_constant): CONST_INT can be 64-bits.
1544 2001-05-14 Stan Shebs <shebs@apple.com>
1546 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1547 (LIBGCC_SPEC): Don't define.
1549 2001-05-14 Richard Henderson <rth@redhat.com>
1551 * configure.in (gcc_cv_as_eh_frame): New test.
1552 * config.in, configure: Rebuild.
1553 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1555 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1557 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1558 extended precision divide.
1560 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1562 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1563 for RETURNS as well.
1565 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1567 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1568 (CPP_CPU??_SIZE_TYPE): New.
1569 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1570 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1571 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1572 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1574 * i386.c (override_options): Add sorry about not suported modes.
1576 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1578 * config/pa/som.h (NM_FLAGS): Remove.
1579 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1580 (ASM_OUTPUT_SECTION_NAME): Remove.
1581 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1583 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1585 * regrename.c (regrename_optimize): Do not rename registers to
1588 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1590 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1591 contain MEMs. Remove useless distinction about clobbering
1594 2001-05-13 Geoff Keating <geoffk@redhat.com>
1596 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1597 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1598 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1599 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1600 (EXCEPTION_SECTION): Define.
1602 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1604 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1605 binary backward compat only.
1606 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1607 in LIB2FUNCS. Pass it to mklibgcc.
1608 * mklibgcc.in: Handle LIB2FUNCS_ST.
1610 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1612 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1614 * tm.texi (THREAD_MODEL_SPEC): Document it.
1615 * gcc.c (main): Use it.
1616 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1617 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1619 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1621 * rtl.h (SYMBOL_REF_WEAK): New macro.
1622 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1623 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1624 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1625 * gcc.texi: Remove wrong description.
1627 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1629 * Makefile.in (STAMP): New macro.
1630 Replace all uses of `touch' with $(STAMP).
1631 * fixinc/Makefile.in: Likewise.
1633 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1635 * configure.in: ldopen is never in -lexc, so don't test for it.
1636 Add test for exc_resume in -lexc for Ada.
1637 * configure: Regenerated.
1639 2001-05-12 Richard Henderson <rth@redhat.com>
1641 * dwarf2asm.c (size_of_encoded_value): New function.
1642 * dwarf2asm.h: Declare it.
1643 * except.c (output_function_exception_table): Align the TType
1644 array only as wide as the encoding.
1646 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1648 * extend.texi: Document #pragma GCC java_exceptions.
1650 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1652 * c-parse.in (bison parser, init_reswords): Remove uses of
1654 * c-tree.h (doing_objc_thang): Remove.
1656 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1658 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1659 about files not ending in newlines.
1661 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1663 * dwarfout.c (dwarfout_init): Add cast.
1664 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1665 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1667 * method.c (build_mangled_C99_name): Remove unused prototype.
1669 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1671 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1673 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1675 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1676 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1678 2001-05-11 Richard Henderson <rth@redhat.com>
1680 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1681 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1682 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1683 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1684 (dw2_output_indirect_constants): Prototype.
1685 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1686 current_function_func_begin_label if we'll need it for EH. Exit
1687 early for IA64_UNWIND_INFO.
1688 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1689 (eh_data_format_name): Update for indirect references.
1690 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1691 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1692 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1693 define HAVE_eh_return etc.
1694 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1695 (final_end_function): Don't call output_function_exception_table.
1696 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1697 (rest_of_compilation): Invoke output_function_exception_table
1698 for ia64 before assemble_end_function.
1699 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1700 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1702 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1703 * unwind.h: Declare them.
1704 * libgcc-std.ver: Export them.
1705 * unwind-pe.h: New file.
1707 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1709 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1711 (find_fde_for_dso): Extract DT_PLTGOT.
1712 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1713 the segment and gp as well.
1714 * config/ia64/frame-ia64.c: Remove file.
1715 * config/ia64/frame-ia64.h: Remove file.
1716 * config/ia64/unwind-ia64.c: New file.
1717 * config/ia64/unwind-ia64.h: New file.
1718 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1719 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1720 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1721 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1722 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1723 (IA64_UNWIND_INFO): Re-enable.
1724 (HANDLER_SECTION): Remove.
1725 (EH_RETURN_DATA_REGNO): New.
1726 * config/ia64/ia64.md (exception_receiver): Remove.
1727 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1728 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1730 2001-05-11 Richard Henderson <rth@redhat.com>
1732 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1733 calls and jumps to be bundled together.
1734 (ia64_reorg): Emit a break after a noreturn call that ends
1736 * config/ia64/ia64.md (break_f): New.
1738 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * c-lex.c (lex_charconst): Convert into a simple wrapper
1741 around cpp_interpret_charconst, to which most of the code
1743 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1744 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1745 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1746 (lex): Use cpp_interpret_charconst.
1747 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1748 hex_digit_value): New functions.
1749 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1750 * cpplib.h (cpp_interpret_charconst): New prototype.
1751 * Makefile.in: Update.
1753 2001-05-12 Dean Wakerley <dean@wakerley.com>
1755 * doc/install.texi: New file. Converted to texinfo from the HTML
1756 documentation in wwwdocs/htdocs/install.
1758 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1760 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1761 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1763 * toplev.c (compile_file): Move comment for opening output
1764 file to just before the code that opens the output file.
1766 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1768 * regmove.c (regmove_optimize): Suppress the optimization for
1769 unchanging destination register. Add comment above function.
1771 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1773 * Makefile.in: Exterminate all references to assert.h.
1774 * cross-make: Likewise.
1776 * configure.in: Correct commentary.
1777 * configure: Regenerate.
1779 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1782 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1783 config/t-netbsd, config/t-rtems, config/x-linux,
1784 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1785 No need to override INSTALL_ASSERT_H.
1787 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1788 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1789 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1791 2001-05-11 Graham Stott <grahams@redhat.com>
1793 * combine.c (simplify_comparison): Fix typo.
1795 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1797 * loop.h (struct movables): Remove `num'.
1798 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1799 Adjust call to strength_reduce.
1800 (num_unmoved_movables): New function.
1801 (move_movables): Don't set movables->num.
1802 (strength_reduce): Compute the number of instructions in the loop
1803 here, rather than in the caller.
1804 (check_dbra_loop): Always clear reversible_mem_store if there
1805 are any memory sets.
1806 (loop_regs_scan): Don't count instructions here.
1807 (count_insn_in_loop): New function.
1809 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1811 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1813 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1815 * c-common.c (finish_label_expr): New function, lifted from
1816 from cp/semantics.c.
1817 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1818 * c-parse.in: Move 3 blocks of parser code into new functions.
1819 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1820 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1821 (lookup_label): Remove.
1823 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1825 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1826 FLOAT_BIT_ORDER_MISMATCH.
1828 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1830 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1831 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1833 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1835 * expr.c (emit_group_load): extract_bit_field requires a REG or
1838 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1840 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1841 a computed jump into an unconditional jump.
1842 In second hunk of code for collapsing computed and conditional jumps
1843 into unconditional jumps, reemit the jump in additional cases.
1845 * jump.c (jump_optimize_1): Do not wrap the new jump target
1846 inside a LABEL_REF; gen_jump will do that automatically.
1848 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1850 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1851 contents for a SYMBOL_REF in case of floating point constants.
1853 2001-05-10 DJ Delorie <dj@redhat.com>
1855 * c-common.c (combine_strings): Widen strings in a
1856 host-endian-independent way.
1858 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1860 * c-parse.in: Remove many shift/reduce conflicts. Update
1862 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1863 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1864 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1865 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1866 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1867 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1868 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1869 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1870 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1871 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1872 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1873 typespec_reserved_nonattr, typespec_reserved_attr,
1874 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1875 structsp_nonattr, components_notype, component_notype_declarator,
1876 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1877 firstparm, setspecs_fp): New
1878 (typed_declspecs, reserved_declspecs, typed_typespecs,
1879 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1880 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1881 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1882 type_quals): Remove. Users updated.
1883 (initdecls, notype_initdecls, after_type_declarator,
1884 parm_declarator, notype_declarator, absdcl1, components, ivars):
1885 Don't allow attributes at the start of a declarator; include them
1886 in the production containing the declarator instead. Always
1887 require type specifiers before trying to redeclare a typedef name.
1888 (typename): Allow for attributes but warn that they are ignored.
1889 (parmlist, firstparm, setspecs_fp): Include attributes in
1890 parmlist; suck them off the parser stack in firstparm using
1893 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1895 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1896 to determine if a block has an unconditional jump at its end.
1898 * jump.c (jump_optimize_1): When converting a conditional jump
1899 to an unconditional jump, build the jump using gen_jump instead
1900 of just modify operands in-place.
1902 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1904 * cppinit.c (cpp_post_options): Shut off macro expansion if
1906 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1907 IN_I directives only if the # is in column 1 and the directive
1908 name begins in column 2.
1909 * cppmain.c (scan_buffer): Insert a space between # and an
1910 identifier, when that identifier is a directive name.
1912 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1913 in the header search path.
1914 (enum node_type): Add T_INCLUDE_NEXT.
1915 (directive_table): Add entry for include_next.
1916 (do_include_next): New function.
1917 (process_include): New routine, broken out of do_include.
1918 (finclude): Insert 'nhd' argument, to be copied into
1919 next_header_dir of the new buffer.
1920 (main): Adjust to match.
1921 * gsyslimits.h, limity.h: Un-indent #include_next.
1923 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1925 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1926 inclusion as a chapter of the GCC manual.
1927 * gcc.texi: Include objc.texi.
1928 * fdl.texi: Use @unnumberedsec for the addendum.
1929 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1931 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1933 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1935 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1937 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1938 handling of two-address insns.
1940 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1942 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1943 ../binutils/nm-new instead of ../binutils/nm.
1945 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1947 * i386.md (movdi splitter): Fix the splitting condition
1948 (float_extenddftf splitter): Fix mode.
1950 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1952 * genrecog.c (write_switch): Avoid outputting of switch for
1953 types wider than int.
1955 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1957 * reload1.c (copy_eh_notes): New function.
1958 (emit_input_reload_insns): Call it.
1959 (emit_output_reload_insns): Call it.
1961 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1963 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1965 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1966 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1968 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1970 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1972 * pa.md (interspace_jump): Revise comment.
1973 (builtin_longjmp): Block initial setup insns from delay slot of
1975 (builtin_setjmp_receiver): New expander to save and restore PIC
1978 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1980 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1982 * toplev.c (compile_file): Set up the output file before we call
1983 the various initializers for the compiler.
1985 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1986 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1988 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1989 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1991 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1993 * Makefile.in (tradcpp0): Correct typo in dependency list.
1995 2001-05-06 Geoff Keating <geoffk@redhat.com>
1997 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1998 the link register if we're not going to use it.
2000 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2001 (output_function_profiler): Likewise.
2003 2001-05-07 Alan Modra <amodra@one.net.au>
2005 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2007 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2009 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2010 zero-extend it. Make abs_inc unsigned.
2012 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2013 widest mode in narrowing and widening operations.
2015 * config/mips/mips.md: Sign extend CONST_INTs.
2017 2001-05-06 Andreas Jaeger <aj@suse.de>
2019 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2020 (i386 Options): Document -momit-leaf-frame-pointer.
2022 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2024 * c-typeck.c (internal_build_compound_expr): Check for
2025 array to pointer conversion just once.
2027 2001-05-05 Richard Henderson <rth@redhat.com>
2029 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2031 2001-05-05 Richard Henderson <rth@redhat.com>
2033 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2034 to the parent of the fixup region.
2036 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2038 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2040 * cpp.texi (__NO_INLINE): Document it.
2042 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2044 * cppfiles.c (struct include_file): New member err_no.
2045 (find_or_create_entry): Set it.
2046 (open_file): Don't set fds to -2. Instead, use err_no to
2047 remember previous errors, if any.
2049 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2051 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2052 between X and Y by using sequences of xgdx and xgdy.
2054 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2056 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2057 of '!' for the 'D' alternative ('!' is too strong).
2058 ("*logicalsi3_silshl16"): Likewise.
2059 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2060 ("movstrictsi"): Remove spurious '+'.
2061 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2062 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2063 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2066 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2068 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2070 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2072 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2075 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2077 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2080 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2082 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2083 soft register, use ror instead of rol.
2085 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2087 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2088 into account pre/post increment decrement for 68HC12.
2089 Fix other problems in replacement and fix call to reg_mentioned_p.
2091 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2093 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2094 Put the soft registers in bss for 68HC12.
2095 (L_regs_d3_4): New for _.d3 and _.d4.
2096 (L_regs_d5_6): Likewise.
2097 (L_regs_d1_2): Likewise.
2098 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2100 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2102 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2103 to the pre-processor when -fshort-double is specified.
2104 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2106 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2108 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2109 (__mulsi3): Rewrite for 68HC12.
2110 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2111 Mark 'x' constraint with earlyclobber to prevent a
2112 RELOAD_FOR_OTHER_ADDRESS to go in it.
2113 (mulhi3_m68hc12): New pattern.
2114 (mulhi3_m68hc11): Rename of mulhi3.
2115 (mulhi3): New expand for 68HC12 optimisation.
2116 (umulhisi3, mulhisi3): New patterns for 68HC12.
2118 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2120 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2121 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2122 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2124 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2126 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2127 constants cheap after reload.
2128 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2130 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2131 so that gcc prefers a shift by 16.
2132 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2134 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2136 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2138 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * alpha.h: NULL_PTR -> NULL.
2147 * i386.md: Likewise.
2150 * m68hc11.h: Likewise.
2151 * rs6000.h: Likewise.
2154 * sparc.h: Likewise.
2158 * final.c: Likewise.
2160 * recog.c: Likewise.
2162 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2164 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2165 `bool' parameter to `int'.
2167 * hash.c (hash_lookup): Likewise.
2169 * hash.h (hash_lookup): Likewise.
2171 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2173 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2175 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2177 2001-05-03 Geoff Keating <geoffk@redhat.com>
2179 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2180 -malign-loops, -malign-functions.
2181 * i386.c (ix86_align_funcs): Delete.
2182 (ix86_align_loops): Delete.
2183 (ix86_align_jumps): Delete.
2184 (override_options): Mark -malign-* as obsolete. Emulate their
2185 behaviour with the -falign-* options. Default -falign-* from
2186 the processor table.
2187 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2188 patch of Wed May 2 13:09:36 2001.
2189 (LOOP_ALIGN): Delete.
2190 (LOOP_ALIGN_MAX_SKIP): Delete.
2191 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2192 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2194 2001-05-04 Andreas Jaeger <aj@suse.de>
2196 * except.h: Add prototype declaration for
2197 expand_builtin_init_dwarf_reg_sizes.
2199 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2201 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2203 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2205 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2207 ("bitcmpqi2"): New pattern for bit-extract and test.
2208 ("bitcmphi"): New pattern for bitb/bita instructions.
2210 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2212 * gccbug.in: Use a temporary directory when the mktemp command is
2215 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2217 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2219 (INITIALIZE_TRAMPOLINE): Call it.
2220 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2221 (TRAMPOLINE_TEMPLATE): Remove.
2222 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2223 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2226 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2228 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2229 and crtendS.o with PIC.
2231 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2233 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2235 (___subdi3, ___adddi3): Use x instead of y as index register.
2236 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2237 (__memset, __memcpy): Likewise.
2238 (regs): Put the soft registers in bss for 68HC12.
2239 (abort): Use trap to abort for 68hc12.
2240 (__mulhi3, __mulhi32): Use emul for 68hc12.
2241 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2243 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2245 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2246 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2247 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2248 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2249 Set 68HC12 min offset to -65536.
2250 (print_operand): Put parenthesis arround the operand if it refers
2251 to a symbol having the same name as a register.
2252 (m68hc11_z_replacement): When z register is replaced by its
2253 equivalent soft register, force the insn to be re-recognized.
2254 (m68hc11_check_z_replacement): Fix the test when destination is
2255 the index register and z dies in the insn.
2256 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2258 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2260 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2261 costs according to processor variant.
2262 (m68hc11_shift_cost): New function to compute shift costs.
2263 (m68hc11_rtx_costs): Define costs according to processor variant.
2264 (m6811_cost): Costs for 68HC11.
2265 (m6812_cost): Costs for 68HC12.
2266 (COSTS_N_INSNS): Remove.
2268 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2269 (DEFAULT_RTX_COSTS): Remove.
2270 (CONST_COSTS): Define costs according to OUTER_CODE.
2271 (processor_costs): New struct to define costs.
2272 (m68hc11_cost): Pointer to current costs.
2274 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2276 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2277 and use m68hc11_notice_keep_cc when using leax/leay.
2278 (addhi3 split): Reject split if the insn is handled by
2280 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2281 push must be handled in a special way if the source operand uses
2282 sp as index register.
2283 (m68hc11_notice_keep_cc): New function.
2284 (m68hc11_gen_movhi): Use it when an insn changes a register but
2286 (m68hc11_gen_movqi): Fix move for 68HC12.
2287 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2289 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2291 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2292 and don't pass operands[0] to emit_library_call_value.
2294 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2296 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2297 (zero_extendsi split): Simplify and use (zero_extendhi).
2298 (*addhi3): Remove 'w' constraint since stack pointer is handled
2300 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2301 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2302 (*ashrhi3_const): Fix shift by 7.
2303 (*lshrsi3_const16): Fix template.
2304 (call, call_value): Fix constraint and predicate.
2306 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2308 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2309 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2310 (CC_REGNUM): Likewise.
2311 (*unnamed splits): Use above constants instead of hard coded numbers.
2312 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2313 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2314 (*return_16bit, *unnamed peepholes): Likewise.
2316 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2318 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2319 rs6000/rs6000.h twice.
2321 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2323 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2324 (CPP_SPEC): Conditionally define MSDOS and GO32.
2325 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2326 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2328 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2330 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2332 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2334 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2336 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2337 * integrate.c (expand_inline_function): Use xcalloc to allocate
2339 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2342 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2344 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2347 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2349 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2350 linker if -mrelax is given.
2351 (TARGET_SWITCHES): Document -mrelax.
2353 Re-installed 2001-01-09's patch:
2354 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2355 if it's wider than long and the target's long is wider than the
2358 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2360 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2361 directly include rs6000/rs6000.h. Instead do it in tm.h.
2363 2001-05-02 Stan Shebs <shebs@apple.com>
2365 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2366 NSConstantString for NeXT-style runtimes.
2367 (STRING_OBJECT_GLOBAL_NAME): New macro.
2368 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2369 OCTI_STRING_CLASS_DECL.
2370 (constant_string_global_id): New macro.
2371 (string_class_decl): Ditto.
2372 (setup_string_decl): New function.
2373 (build_objc_string_object): Use it to build a NeXT runtime
2374 compatible string initializer.
2376 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2378 * tradcpp.c (do_define): Make sure we don't walk past limit.
2380 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2382 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2383 offsets if not REG_OK_STRICT.
2385 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2386 (INT_REG_OK_FOR_INDEX_P): Likewise.
2387 (INT_REG_OK_FOR_BASE_P): Likewise.
2388 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2389 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2390 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2391 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2392 REG_OK_FOR_BASE_P. Take an additional parameter.
2393 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2394 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2395 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2396 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2397 rs6000_legitimate_address() and use it.
2398 * config/rs6000/rs6000.c: Update all callers.
2399 (rs6000_legitimate_address): New function.
2401 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2403 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2404 special_constant conditional blocks together.
2406 2001-05-02 Dale Johannesen <dalej@apple.com>
2408 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2410 (STRICT_ARGUMENT_NAMING): Define.
2411 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2412 function_arg_partial_nregs, setup_incoming_varargs): Remove
2413 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2416 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2418 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2420 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2423 * expr.c (store_field): Do nothing except elaborate side-effects if
2426 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * c-lex.c: NULL_PTR -> NULL.
2430 * emit-rtl.c: Likewise.
2432 * genpeep.c: Likewise.
2434 * mips-tdump.c: Likewise.
2435 * reload1.c: Likewise.
2436 * rtlanal.c: Likewise.
2438 * stor-layout.c: Likewise.
2439 * toplev.c: Likewise.
2441 2001-05-01 Per Bothner <per@bothner.com>
2443 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2444 call do_pending_stack_adjust before emiting label.
2446 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2448 * extend.texi: Fix typo.
2450 2001-05-01 Stan Shebs <shebs@apple.com>
2452 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2453 of UOBJC_MODULES_decl.
2454 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2455 (generate_descriptor_table): Ditto.
2456 (generate_protocols): Ditto.
2457 (generate_protocol_list): Ditto.
2458 (generate_classref_translation_entry): Ditto.
2460 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2462 * invoke.texi (Optimize Options): Add documentation for `--param
2463 max-delay-slot-insn-search' and `--param
2464 max-delay-slot-live-search' and reorder --param section.
2465 * params.def: Modify initial comment.
2466 * params.h (param_info): Add `help' member.
2467 * toplev.c (lang_independent_params): Include `help' description.
2468 (display_help): Print --param parameters.
2470 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2472 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2473 Remove references to deleted files.
2474 (*-*-openbsd): No need to override xmake_file.
2475 (*-*-sysv4): Treat like *-*-sysv.
2477 * configure.in: Probe for ldopen in various places, and set up
2478 collect2 to be linked with them if found.
2479 Don't dink with Windows registry stuff unless $host_os is a
2480 Win32 os name. Check to see if we need -ladvapi32.
2481 * configure: Regenerate.
2483 * Makefile: Get rid of CLIB and HOST_CLIB.
2484 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2485 * build-make: Get rid of HOST_CLIB.
2487 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2488 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2489 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2490 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2491 config/rs6000/x-rs6000: Delete.
2493 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2496 24 x-host fragments remain, 0 x-cpu, 3 top level.
2498 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2500 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2501 * configure: Regenerate.
2503 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2505 * Makefile.in (install-headers): Remove redundant dependency.
2507 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2509 * c-tree.texi (USING_STMT): Document.
2511 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2513 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2514 * c-common.c: Likewise.
2515 * c-decl.c: Likewise.
2516 * combine.c: Likewise.
2517 * rs6000.c: Likewise.
2518 * except.c: Likewise.
2519 * explow.c: Likewise.
2521 * fold-const.c: Likewise.
2522 * function.c: Likewise.
2525 * integrate.c: Likewise.
2527 * objc/objc-act.c: Likewise.
2528 * recog.c: Likewise.
2529 * reg-stack.c: Likewise.
2530 * reload.c: Likewise.
2531 * reload1.c: Likewise.
2532 * simplify-rtx.c: Likewise.
2534 * varasm.c: Likewise.
2536 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2538 * diagnostic.def: New file.
2539 * diagnostic.h (diagnostic_t): New enum.
2540 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2542 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2544 * tsystem.h: Test only POSIX for availability of string.h
2546 * config.gcc (all systems): If USG appeared in xm_defines,
2547 change it to POSIX. If both USG and POSIX appeared, just
2548 delete USG. Remove unnecessary quotes around xm_defines
2550 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2551 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2552 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2553 powerpc-*-linux*): No need to set xm_defines - handled by
2554 global settings for *-*-linux*.
2556 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2558 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2559 Always include gstab.h, not system stab.h. Don't provide
2560 default definitions of N_CATCH or N_OPT. Always use the
2561 gstab.h variant of STAB_CODE_TYPE.
2562 * final.c: Don't include stab.h/gstab.h at all, or provide
2563 defaults for N_SLINE and N_SOL.
2565 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2566 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2568 * sdbout.c: Always include gsyms.h instead of system syms.h.
2570 * configure.in: No need to check for stab.h.
2571 * configure, config.in: Regenerate.
2572 * Makefile.in (final.o): Don't depend on gstab.h.
2574 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2575 Richard Henderson <rth@redhat.com>
2577 * extend.texi: Improve documentation of volatile asms.
2579 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2581 * c-tree.texi: Fix thinko.
2582 * gcc.texi: Likewise.
2584 2001-04-30 Richard Henderson <rth@redhat.com>
2586 * c-common.c (c_promoting_integer_type_p): New function, from the
2587 corpse of old macro. Properly promote too-small enumerations and
2588 booleans. Adjust all callers.
2589 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2590 (c_promoting_integer_type_p): Declare.
2591 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2592 * c-typeck.c: Likewise.
2593 (default_conversion): Remove now redundant boolean check.
2595 2001-04-30 Jan Hubicka <jh@suse.cz>
2596 Richard Henderson <rth@redhat.com>
2598 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2600 (combine_stack_adjustments_for_block): Don't combine stack
2601 allocation followed by deallocations. Handle grow-up stacks.
2603 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2605 * fdl.texi: New file.
2606 * c-tree.texi: Use the GFDL.
2607 * gcc.texi: Likewise.
2609 2001-04-30 Stan Shebs <shebs@apple.com>
2611 * invoke.texi: Add a section documenting Objective-C options.
2613 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2615 * emit-rtl.c (try_split): Copy EH notes to sequence.
2617 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2619 * regmove.c (record_stack_memrefs): Catch all references to the
2622 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2624 * Makefile.in (stmp-fixinc): quote shell assignment values
2626 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2632 * prefix.c: Likewise.
2634 2001-04-28 Stan Shebs <shebs@apple.com>
2636 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2637 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2638 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2639 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2641 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2642 (NEXT_OBJC_RUNTIME): Define.
2644 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2646 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2647 * simplify-rtx.c (simplify_gen_relational): Likewise.
2649 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2651 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2652 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2654 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2655 registers in SSE case; fix handling of the immediates.
2656 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2657 operands to be in regsiters before reload.
2658 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2659 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2660 (abstf,absxf,negtf,negxf splitters): Compute
2661 properly the regnum for x86_64.
2662 (avsdf2_if_rex64): New.
2664 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2666 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2667 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2668 into the constant pool.
2669 * jump.c (jump_optimize_1): Remove barrier successors after all
2670 the LABEL_NUSES counds have been computed.
2671 (delete_barrier_successors): When deleting a tablejump insn, also
2672 delete the jump table it uses.
2673 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2676 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2678 * pa.c (FRP): Remove erroneous white space in macro definition.
2680 2001-04-28 Andreas Jaeger <aj@suse.de>
2682 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2684 * extend.texi: Likewise.
2685 * tm.texi: Likewise.
2687 2001-04-28 Andreas Jaeger <aj@suse.de>
2689 * md.texi: Use XX-bit instead of XXbit or XX bit where
2692 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2694 * gcc.c (process_command): Allow -l lib in addition to -llib
2695 for POSIX compliance. This fixes PR c/2347.
2697 * invoke.texi: Update section on Link Options accordingly.
2699 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2701 * function.c (purge_addressof_1): Remove the duplicate
2702 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2705 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2707 * except.c (expand_eh_region_start): Don't start a new block.
2708 (expand_eh_region_end): Don't end a block.
2709 * stmt.c (expand_end_bindings): Don't end EH blocks.
2710 (expand_decl_cleanup): Starting an EH region won't change the block.
2711 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2712 (is_eh_region): Lose.
2715 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2717 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2719 * collect2.c (main): Add `-L' case to remove duplicate entries.
2720 (is_in_args): New function to check for a duplicate argument.
2721 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2722 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2723 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2724 Define to be nonzero.
2726 2001-04-27 Andreas Jaeger <aj@suse.de>
2727 Richard Henderson <rth@redhat.com>
2729 * md.texi (Machine Constraints): Document additional i386
2730 constraints and fix description of "A".
2732 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2734 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2736 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2738 * except.c (get_exception_filter): word_mode, not Pmode.
2740 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2742 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2743 common to other movsf patterns. Move up so that in future
2744 people who change the other patterns will change it too.
2745 (movsf_lo_sum): Allow even for soft-float; add appropriate
2747 (movsf_high): Likewise.
2748 (movsf_high+1): Allow even for soft-float.
2750 * function.c (expand_function_end): Always clobber the
2751 return registers, even if there is no return label.
2753 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2755 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2757 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2759 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2760 (pushqi2_rex64, pushhi2_rex64): Add.
2762 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2764 * except.c (expand_eh_region_end_cleanup): Force pending stack
2765 adjust before emitting label that branches around cleanup code.
2767 2001-04-26 H.J. Lu (hjl@gnu.org)
2769 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2771 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2773 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2774 (ASM_OUTPUT_SECTION_NAME): Likewise.
2775 (ASM_WEAKEN_LABEL): Likewise.
2776 (UNIQUE_SECTION): Likewise.
2777 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2778 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2779 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2780 (ASM_OUTPUT_SECTION_NAME): Likewise.
2781 (ASM_WEAKEN_LABEL): Likewise.
2782 (UNIQUE_SECTION): Likewise.
2783 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2784 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2785 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2786 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2787 (ASM_FILE_START): Likewise.
2788 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2789 (ASM_DECLARE_OBJECT_NAME): Likewise.
2790 (ASM_FILE_END): Likewise.
2791 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2792 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2793 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2794 (ASM_OUTPUT_CASE_LABEL): Likewise.
2795 (ASM_OUTPUT_SKIP): Likewise.
2796 (ASM_OUTPUT_ASCII): Likewise.
2797 (ASM_OUTPUT_IDENT): Likewise.
2798 (READONLY_DATA_SECTION): Likewise.
2799 (EXTRA_SECTIONS): Likewise.
2800 (EXTRA_SECTION_FUNCTIONS): Likewise.
2801 (SELECT_RTX_SECTION): Likewise.
2802 (SELECT_SECTION): Likewise.
2804 * config/mips/linux.h (INVOKE__main): Undefine.
2805 (CTOR_LIST_BEGIN): Likewise.
2806 (CTOR_LIST_END): Likewise.
2807 (DTOR_LIST_BEGIN): Likewise.
2808 (DTOR_LIST_END): Likewise.
2809 (SET_ASM_OP): Defined it to ".dummy".
2810 (ASM_OUTPUT_DEF): Defined.
2811 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2813 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2815 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2816 assembler supports .p2align.
2818 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2820 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2822 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2824 * integrate.c (expand_inline_function): Check for error_mark_node
2827 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2829 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2832 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2834 * configure.in (configargs.h): Define thread_model.
2835 * configure: Rebuilt.
2836 * gcc.c (main): Print it with -v.
2838 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2840 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2841 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2842 * gcc.1: Regenerate.
2844 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2846 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2847 is_redundant_typedef): Use static inline instead of inline static.
2849 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2851 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2852 this directory is always searched.
2854 2001-04-25 Richard Henderson <rth@redhat.com>
2856 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2857 of registers to restore along non eh_return path.
2859 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2861 * c-format.c (check_format_info_recurse): Handle
2862 PLUS_EXPR for format string.
2864 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2866 * config/ia64/ia64.h (CC1_SPEC): Define.
2867 * config/ia64/linux.h (CC1_SPEC): Define.
2869 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2871 * emit-rtl.c (constant_subword): Also do sign extension in
2872 BITS_PER_WORD == 16 case.
2874 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2876 * loop.c (try_swap_copy_prop): Go back to checking insn.
2878 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2880 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2881 if check_mode is non-zero.
2883 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2885 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2886 out and comparison sequence has been detected, put result into
2887 proper temporary pseudo.
2889 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2891 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2892 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2893 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2894 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2895 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2896 for future reference.
2898 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2900 * except.c (reachable_handlers): Step out one level from a RESX.
2902 * except.c (struct eh_region): Rename 'last' to 'resume'.
2903 (mark_eh_region, duplicate_eh_region_1): Adjust.
2904 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2905 (build_post_landing_pads): Likewise.
2906 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2907 (expand_eh_region_end_must_not_throw): Likewise.
2908 (connect_post_landing_pads): Thread (only) regions with non-deleted
2911 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2912 registers around the cleanup.
2913 (get_exception_filter): New fn.
2914 (finish_eh_generation): Use it.
2916 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2918 * c-semantics.c (add_scope_stmt): Don't call
2919 current_scope_stmt_stack multiple times.
2921 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2922 Nathan Sidwell <nathan@codesourcery.com>
2924 Lazy __FUNCTION__ generation.
2925 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2926 RID_C99_FUNCTION_NAME): New _RIDs.
2927 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2928 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2929 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2931 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2932 (c99_function_name_decl_node, function_name_decl_node,
2933 pretty_function_name_decl_node, saved_function_name_decls):
2935 (struct language_function): Remove x_function_name_declared_p.
2936 (make_fname_decl): Remove a parameter.
2937 (declare_function_names): Remove prototype.
2938 (start_fname_decls, finish_fname_decls): Prototype.
2939 (fname_as_string): Likewise.
2940 (fname_string, fname_decl): Likewise.
2941 * c-common.c (make_fname_decl): Adjust.
2942 (struct fname_var_t): New struct.
2943 (fname_vars): New static array.
2944 (declare_function_name): Remove.
2945 (start_fname_decls, finish_fname_decls): New functions.
2946 (fname_as_string): New function from remnants of
2947 declare_function_name.
2948 (fname_string, fname_decl): New functions.
2950 * c-decl.c (c_function_name_declared_p): Remove.
2951 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2952 don't call declare_function_name. Call start_fname_decls.
2953 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2954 clobber the line number. Call finish_decl.
2955 (start_function): Call start_fname_decls.
2956 (finish_function): Call finish_fname_decls.
2957 Remove c_function_name_declared_p.
2958 (push_c_function_context): Don't push c_function_name_declared_p.
2959 (pop_c_function_context): Don't pop c_function_name_declared_p.
2960 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2961 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2962 (program): Call finish_fname_decls for C.
2963 (primary): Add VAR_FUNC_NAME.
2964 (reswords): Add slots for __FUNCTION__ et al.
2965 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2966 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2967 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2968 * c-semantics.c (prune_unused_decls): Remove.
2969 (finish_stmt_tree): Don't call prune_unused_decls.
2970 (genrtl_decl_stmt): Don't prune unused decls here.
2972 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2974 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2975 constant pool, use the pool's SYMBOL_REF instead.
2977 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2980 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2982 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2983 passing nested NOP_EXPRs to fold.
2985 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2987 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2989 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2991 * loop.c (loop_delete_insns): Add prototype.
2993 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2995 * configure.in: Remove ENABLE_STD_NAMESPACE.
2996 * config.in: Regenerated.
2997 * configure: Regenerated.
2999 2001-04-22 Stan Shebs <shebs@apple.com>
3001 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3003 * config/rs6000/xm-darwin.h: Remove file.
3005 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3007 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3008 (write_c_file_stat): Likewise.
3010 * dbxout.c (dbxout_init): Likewise.
3012 * profile.c (output_func_start_profiler): Likewise.
3014 2001-04-22 Philipp Thomas <pthomas@suse.de>
3016 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3017 require it instead of the CVS version.
3018 * cpperror.c (v_message): Put a blank before the macro
3019 body to not confuse exgettext.
3021 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3023 * flow.c (proagate_one_insn): Remove useless assignment.
3024 * jump.c (delete_insn): Tidy.
3025 * loop.c (try_copy_prop): When deleting an instruction with a
3026 REG_RETVAL note, delete the entire libcall sequence.
3027 (loop_delete_insns): New function.
3028 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3029 we're not substituting into them yet.
3031 2001-04-21 Kazu Hirata <kazu@hxi.com>
3033 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3035 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3037 * config/i960/i960.c (signed_arith_operand): Likewise.
3039 * calls.c (expand_call): Fix a comment typo.
3041 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3043 * configure.in: Probe for times, clock, struct tms, and clock_t.
3044 * configure, config.in: Regenerate.
3045 * timevar.c: Replace ifdef forest in get_time with (relatively)
3046 straightforward series of checks based on autoconf's probes.
3048 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3050 * config/pa/som.h (NM_FLAGS): Define.
3052 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3054 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3056 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3057 * ia64.c (nop_cycles_until): New function.
3058 (prev_cycle, prev_first, last_issued): New static variables.
3059 (ia64_sched_reorder): Additional arg for clock.
3060 On final scheduling pass, emit extra NOPs as needed.
3061 Set prev_first and prev_cycle.
3062 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3063 (ia64_variable_issue): Set last_issued.
3065 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3067 * config/i386/i386.c (ix86_expand_int_movcc,
3068 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3070 2001-04-20 Geoff Keating <geoffk@redhat.com>
3072 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3073 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3074 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3075 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3076 ctrdi_internal6): In the short-branch case, this insn is only 4
3077 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3079 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3081 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3082 "=u" is used together with "st" resp. "st(1)" clobber.
3084 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3086 * gcse.c (gcse_main): Fix comment typo.
3087 (delete_null_pointer_check): Likewise.
3088 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3089 * cse.c (cse_insn): Likewise.
3090 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3093 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3095 * toplev.c: Excise all code for the undocumented -dm option.
3096 (float_signal): Call signal just once, unconditionally.
3098 2001-04-19 Geoff Keating <geoffk@redhat.com>
3100 * fold-const.c (fold): Use first_rtl_op rather than
3101 TREE_CODE_LENGTH when looping over parameters of a tree.
3102 Correct strange grouping in test for evaluated SAVE_EXPR.
3104 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3106 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3107 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3109 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3110 name at 32 total characters.
3111 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3112 functions in named sections -- data items can still go into unique
3113 sections, but they have normal names (ie $LIT$ and $DATA$).
3115 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3118 2001-04-19 DJ Delorie <dj@redhat.com>
3120 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3121 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3122 * config/i386/cygwin.h: Likewise.
3123 * config/i386/mingw32.h: Likewise.
3124 * config/vax/vms.h: Likewise.
3125 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3127 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3128 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3129 * config/i386/xm-cygwin.h: Likewise.
3130 * config/i386/xm-djgpp.h: Likewise.
3131 * config/i386/xm-mingw32.h: Likewise.
3132 * config/vax/xm-vms.h: Likewise.
3134 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3135 instead of OBJECT_SUFFIX.
3136 * collect2.c (find_a_file): Look for files matching the extension
3137 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3138 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3139 TARGET_EXECUTABLE_SUFFIX.
3140 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3141 (make_relative_prefix): Likewise.
3142 (convert_filename): Use TARGET_ suffixes throughout. Remove
3144 (process_command): Likewise.
3145 (do_spec_1): Likewise.
3146 * java/lang.c (init_parse): Likewise.
3148 * gcc.texi : Document four new options matching the pattern
3149 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3150 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3151 documentation for NO_AUTO_EXE_SUFFIX.
3153 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3155 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3156 that language-independent processing should not be done.
3157 * toplev.c (main): Adjust accordingly.
3159 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3160 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3162 * mips.md (reload_outputdi): Require that operand0 be a
3165 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3167 * invoke.texi (-Wshadow): Clarify.
3169 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3171 * loop.c (load_mems): Examine all the instructions in the loop
3172 before concluding that all jumps branch to the first instruction
3175 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3177 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3179 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3181 * cpp.texi (-Wwhite-space): Remove.
3182 (-Wall): -Wall does not imply -Wwhite-space.
3184 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3186 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3187 use it instead of blindly generating a .stabs.
3188 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3190 * xcoffout.c: Don't bother defining default for N_CATCH.
3191 (UNKNOWN_STAB): Use internal_error.
3192 (stab_to_sclass): Remove now-unnecessary aborts.
3193 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3195 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3197 * jump.c (mark_all_labels): Canonicalize the tail recursion
3198 label attached to CALL_PLACEHOLDER insns.
3200 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3202 * output.h (dump_flow_info, free_basic_block_vars,
3203 which_alternative): Delete redundant prototypes.
3205 * rtl.h (bss_section): Likewise.
3207 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3209 * dbxout.c (N_OPT): Define if not available from <stab.h>
3211 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3213 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3214 libraries and native K&R compilers.
3216 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3218 * c-typeck.c (convert_arguments): Don't check for width changes
3221 * invoke.texi (-Wtraditional): Update documentation.
3223 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3225 * toplev.c (output_lang_identify): Delete.
3226 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3227 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3228 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3229 after calling ASM_FILE_END.
3231 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3232 Instead, unconditionally emit an N_OPT stab with string equal
3233 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3235 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3237 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3238 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3239 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3240 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3241 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3242 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3243 config/i370/i370.h, config/i386/beos-elf.h,
3244 config/i386/osf1elf.h, config/i386/osfrose.h,
3245 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3246 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3247 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3248 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3249 config/mips/iris6.h, config/mips/osfrose.h,
3250 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3251 config/sparc/sp64-elf.h:
3252 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3253 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3255 * config/elfos.h, config/freebsd.h, config/linux.h,
3256 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3257 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3258 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3259 of ASM_FILE_START which merely emit a .version directive. Delete
3260 definitions of ASM_FILE_END which merely emit an .ident directive.
3262 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3263 ASM_IDENTIFY_GCC and move part of its logic into
3266 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3267 config/sparc/linux-aout.h: Don't emit .version directive in
3270 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3271 (output_file_start): Correct comment.
3273 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3274 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3276 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3277 * config/rs6000/aix.h: Correct comment.
3279 * config/i386/i386afe.h: Delete.
3280 * config.gcc: Remove references to i386afe.h.
3282 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3283 other macros deleted by this patch were undocumented.
3285 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3287 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3289 * pa.c (secondary_reload_class): SAR<->FP copies require a
3292 * install.texi (mips-mips-bsd): Update list of functions
3293 required to include memmove.
3294 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3295 used functions to include memmove.
3297 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3299 * i386.md (sqrtdf2): SFmode should be DFmode.
3301 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3303 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3304 (find_moveable_store): Likewise.
3306 2001-04-15 Jim Wilson <wilson@redhat.com>
3308 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3310 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3312 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3313 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3315 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3317 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3320 2001-04-14 Alan Modra <amodra@one.net.au>
3322 * pa.c (force_mode): New function.
3323 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3325 2001-04-13 Jim Wilson <wilson@redhat.com>
3327 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3328 (first_instruction): New static variable.
3329 (rtx_needs_barrier): Return 1 for alloc.
3330 (init_insn_group_barriers): Set first_instruction.
3331 (rws_sum): Delete duplicate definition.
3332 (group_barrier_needed_p): Return 0 when first_instruction true.
3333 (safe_group_barrier_needed_p): Save and restore first_instruction
3334 around group_barrier_needed_p call.
3336 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3338 * expr.h (enum libfunc_index): Add LTI_memmove.
3339 (memmove_libfunc): Define macro.
3340 * optabs.c (init_optabs): Initialize memmove_libfunc.
3341 * expr.c (expand_assignment): Use memmove_libfunc instead of
3344 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3346 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3349 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3351 * Makefile.in (reg-stack.o): Depend on reload.h.
3352 (insn-attrtab.o): Depend on flags.h.
3354 * genattrtab (main): Include flags.h in insn-attrtab.c.
3356 * reg-stack.c: Include reload.h.
3358 * sparc.h (flag_pic): Delete redundant declaration.
3360 * output.h (flag_pic): Likewise.
3362 * tree.h (pedantic): Likewise.
3364 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3366 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3368 * jump.c, regmove.c, toplev.c: Include reload.h.
3370 * reload.h (reload_cse_regs): Declare.
3372 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3373 reload_cse_regs, init_reload, mark_home_live, reload,
3374 init_caller_save): Delete redundant prototypes.
3376 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3380 * regclass.c, ssa.c: Include expr.h.
3382 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3383 gen_move_insn): Delete redundant declarations.
3385 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3387 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3388 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3389 MAKEINFO and MAKEINFOFLAGS too.
3390 (stage4_build): Correctly order -B flags.
3392 2001-04-13 Alan Modra <amodra@one.net.au>
3394 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3395 PIC_OFFSET_TABLE_SAVE_RTX.
3396 (zdepi_cint_p): Describe zdepi insn.
3397 Formatting and white space fixes throughout file.
3399 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3400 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3401 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3402 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3403 (output_64bit_and): Use plain `int's for shift counts.
3404 (output_64bit_ior): Likewise.
3405 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3406 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3409 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3410 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3411 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3412 NEW_HP_ASSEMBLER into one. Kill warnings.
3414 * pa-gas.h: Delete file.
3415 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3416 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3417 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3418 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3420 * config/pa/mill32.S: New file.
3421 * config/pa/mill64.S: New file.
3422 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3423 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3424 * config/pa/t-linux64: New file.
3425 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3426 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3427 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3429 * elfos.h (SELECT_SECTION): Undef before defining.
3430 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3431 (LIB_SPEC): Remove -lmilli.
3432 (DBX_REGISTER_NUMBER): Remove.
3433 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3434 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3435 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3436 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3437 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3438 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3439 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3440 TARGET_GAS): Define.
3441 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3442 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3443 regs if we don't have a prototype.
3444 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3445 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3446 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3447 EH_RETURN_HANDLER_RTX): Define.
3448 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3449 (DWARF_FRAME_REGNUM): Define.
3450 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3451 * pa32-linux.h: New file.
3452 * pa64-linux.h: New file.
3454 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3455 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3456 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3457 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3458 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3459 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3460 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3461 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3462 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3463 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3464 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3465 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3466 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3467 * pa64-hpux.h: New file.
3468 (ASM_FILE_START): Correct typo.
3469 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3470 * config.gcc: Modify for above.
3472 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3474 * jump.c (jump_optimize_1): Don't delete dead stores here.
3475 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3476 prior to running jump optimize before cse2.
3478 2001-04-12 Richard Henderson <rth@redhat.com>
3480 * Makefile.in (regmove.o): Depend on except.h.
3481 * regmove.c: Include it.
3483 2001-04-12 Stan Shebs <shebs@apple.com>
3485 * objc/objc-act.c: Remove all code ifdefed with the never-used
3486 macro OBJC_INT_SELECTORS.
3487 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3488 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3490 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3492 * config/pa/quadlib.c: Add prototypes.
3494 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3496 * bitmap.h (debug_bitmap): Delete redundant prototype.
3498 * rtl.h (get_frame_size): Likewise.
3500 2001-04-12 Jim Wilson <wilson@redhat.com>
3502 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3503 to just emit an fnorm.
3505 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3507 * c-common.h (truthvalue_conversion, type_for_mode,
3508 type_for_size): Delete redundant declarations.
3510 * c-lex.h (is_class_name): Likewise.
3512 * c-tree.h (pedantic, convert, getdecls, gettags,
3513 global_bindings_p, init_decl_processing, insert_block,
3514 maybe_build_cleanup, poplevel, print_lang_decl,
3515 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3516 set_block, incomplete_type_error, build_function_call,
3517 lvalue_or_else, mark_addressable): Likewise.
3519 * expr.h (expand_tree_builtin): Likewise.
3521 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3523 * invoke.texi: Document --param max-gcse-memory.
3525 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3527 * configure.in (errno): Check for declaration.
3528 * configure, config.in: Regenerated.
3530 * system.h (errno): Only declare if not already done.
3532 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3534 * recog.c (general_operand, immediate_operand,
3535 nonmemory_operand): Require CONST_INTs to be sign-extended
3536 values for their modes.
3538 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3540 * expmed.c (store_bit_field): Truncate CONST_INTs.
3541 (expand_mult_highpart, expand_divmod): Likewise.
3542 * expr.c (convert_modes, store_field): Likewise.
3543 * integrate.c (expand_inline_function): Use promote_mode() to
3544 determine whether to convert_modes() an argument as signed
3546 * optabs.c (expand_binop): Get CONST_INT operands
3547 sign-extended for their appropriate modes.
3548 * stmt.c (emit_case_nodes): Convert node values to the
3550 (expand_end_case): Convert minval and range to the appropriate
3552 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3553 the iteration variable.
3554 * varasm.c (immed_double_const): Don't require words to be
3555 narrower than host wide ints to properly sign-extend
3558 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3560 * sh.md (builtin_setjmp_receiver): New expander.
3562 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3564 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3565 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3566 for generating CONST_INT and CONST_DOUBLE.
3568 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3570 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3571 already sign-extended.
3572 (rs6000_emit_prologue): Make register iterator signed.
3573 (rs6000_emit_epilogue): Likewise.
3574 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3576 (movsf split, movdf split): Sign-extend CONST_INTs.
3577 (movdi splits): Likewise.
3579 2001-04-12 Kelley Cook <kelley.cook@home.com>
3581 * config-lang.in (lang_dirs): Add in zlib.
3583 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3585 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3586 operands that make it to RTL.
3588 2001-04-11 Stan Shebs <shebs@apple.com>
3590 Add Darwin (Mac OS X kernel) native support.
3591 * config.gcc (powerpc-*-darwin*): Add native bits.
3592 * config/darwin.c: New file, generic Darwin support functions.
3593 * config/darwin.h: New file, generic Darwin definitions.
3594 * config/darwin-protos.h: New file, generic Darwin prototypes.
3595 * rs6000/darwin.h: New file, Darwin for PowerPC.
3596 * rs6000/t-darwin: New file, Darwin makefile fragment.
3597 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3598 (TARGET_MACHO): Ditto.
3599 (rs6000_abi): Add ABI_DARWIN.
3600 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3601 (RS6000_SAVE_AREA): Ditto.
3602 (FP_ARG_MAX_REG): Ditto.
3603 (RETURN_ADDRESS_OFFSET): Ditto.
3604 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3606 (rs6000_emit_move): Add ABI_DARWIN cases.
3607 (print_operand): Ditto.
3608 (first_reg_to_save): Ditto.
3609 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3610 (debug_stack_info): Ditto.
3611 (rs6000_emit_prologue): Ditto.
3612 (rs6000_emit_epilogue): Ditto.
3613 (output_profiler_hook): Ditto.
3614 (output_function_profiler): Ditto.
3615 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3616 (output_mi_thunk): Add TARGET_MACHO case.
3617 (add_compiler_stub): Ditto.
3618 (output_compiler_stub): Ditto.
3619 (no_previous_def): Ditto.
3620 (output_call): Ditto.
3621 (machopic_output_stub): Ditto.
3622 (rs6000_machopic_legitimize_pic_address): Ditto.
3623 (toc_section): Ditto.
3624 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3625 (macho_high): Ditto.
3628 (load_macho_picbase): Ditto.
3629 (call): Add TARGET_MACHO case to modify function.
3630 (call_value): Ditto.
3631 (call_nonlocal_sysv): Add ABI_DARWIN case.
3632 (call_value_nonlocal_sysv): Ditto.
3633 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3635 (machopic_output_stub): Ditto.
3636 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3638 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3640 * dwarf2out.c (modified_type_die): Don't create new types here.
3641 * tree.h (get_qualified_type): New function.
3642 (build_qualified_type): Adjust comment.
3643 * tree.c (get_qualified_type): New function.
3644 (build_qualified_type): Use it.
3646 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3648 * cpp.texi (-Wtraditional): Update description.
3650 * invoke.texi (-Wtraditional): Likewise.
3652 2001-04-11 Jim Wilson <wilson@redhat.com>
3654 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3655 requires more than 64 bits of alignment.
3657 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3659 * cpplib.c (do_line): Sanity check iff enable checking.
3661 2001-04-11 Richard Henderson <rth@redhat.com>
3663 * Makefile.in (insn-recog.o): Depend on toplev.h.
3664 (insn-emit.o, doloop.o): Likewise.
3665 * genrecog.c, genemit.c: Include toplev.h in generated file.
3666 * doloop.c: Include toplev.h.
3668 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3670 * Makefile.in (gcse.o): Depend on params.h.
3671 * gcse.c: Include params.h.
3672 (gcse_main): Don't do GCSE if doing so will take inordinate
3674 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3675 * params.h (MAX_GCSE_MEMORY): New macro.
3677 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3681 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3683 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3685 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3687 * real.h (ereal_atof, real_value_truncate, target_isnan,
3688 target_isinf, target_negative, assemble_real, debug_real): Delete
3689 redundant prototypes.
3691 * Makefile.in (ifcvt.o): Depend on toplev.h.
3693 * c-semantics.c: Include expr.h.
3695 * ifcvt.c: Include toplev.h.
3697 * expr.h (rtx_equal_p): Delete prototype.
3699 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3700 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3701 eliminate_constant_term, expand_complex_abs, find_single_use,
3702 make_tree, init_expr_once, init_optabs, supports_one_only):
3705 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3706 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3707 expand_assignment, store_expr, emit_line_note_after,
3708 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3710 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3712 * sparc-protos.h: Delete redundant prototypes.
3714 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3716 * reload.c (push_reload): Add condition missed in SUBREG byte
3719 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3721 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3723 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3725 * i386.md (floatsisf_sse): Fix output template
3726 * i386.c (ix86_expand_fp_movcc)
3728 * reg-stack.c (emit_pop_insn): Handle complex modes.
3729 (move_for_stack_reg): Emit proper move mode.
3730 (subst_stack_regs_pat): Handle complex modes.
3732 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3734 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3736 2001-04-10 Richard Henderson <rth@redhat.com>
3738 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3739 (__pure_virtual, __terminate, __terminate_set_func,
3740 __default_terminate, __throw_type_match, __empty,
3741 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3742 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3743 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3744 Remove prototypes of deleted functions.
3746 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * c-typeck.c (convert_arguments): -Wtraditional now activates
3749 -Wconversion warnings, except for changes in signed-ness.
3750 Detect complex<->int & int<->complex conversions as well.
3752 * invoke.texi (-Wtraditional): Document it.
3754 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3756 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3757 * flow.c (set_block_for_new_insns): Remove needless cast and
3758 properly check for unset block number.
3760 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3762 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3763 the subreg was a hard register. Pseudos are left as subregs.
3765 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3767 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3768 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3769 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3770 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3771 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3773 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3775 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3777 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3779 * output.h (set_block_num): Missed it earlier, remove deprecated
3782 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3784 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3785 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3786 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3787 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3788 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3789 (expr_killed_p): Change bb parameter from int to basic_block, pass
3790 basic_blocks instead of ints as parameters.
3791 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3792 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3793 from int to basic_block, pass basic_blocks instead of ints as parms.
3794 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3795 parameter from int to basic_block, pass basic_blocks instead of ints.
3796 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3797 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3798 pass basic_blocks instead of ints.
3799 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3800 basic_blocks instead of ints as parameters.
3801 (pre_delete): Pass basic_blocks instead of ints as parameters.
3802 (hoist_expr_reaches_here_p): Change bb parameter from int to
3803 basic_block, pass basic_blocks instead of ints.
3804 (hoist_code): Pass basic_blocks instead of ints as parameters.
3805 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3806 Change bb parameter from int to basic_block.
3807 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3808 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3809 pass basic_blocks instead of ints.
3810 (insert_store): Pass basic_blocks instead of ints as parameters.
3811 (replace_store_insn, delete_store): Change bb parameter from int to
3812 basic_block, pass basic_blocks instead of ints.
3813 (store_motion): Pass basic_blocks instead of ints as parameters.
3815 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3817 * basic-block.h (set_new_block_for_insns): New Prototype.
3818 (set_block_num): Delete prototype.
3819 * flow.c (set_block_num): Remove obsolete function.
3820 (set_block_for_new_insns): Set BB for single or multiple insns.
3821 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3822 (process_insn_end_bb): Use set_block_for_new_insns or
3823 set_block_for_insn instead of set_block_num.
3824 (pre_insert_copy_insn): Use set_block_for_new_insns.
3825 (update_ld_motion_stores): Use set_block_for_new_insns.
3826 (insert_insn_start_bb): Use set_block_for_new_insns.
3827 (replace_store_insn): Use set_block_for_new_insns.
3829 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3830 Jeff Law <law@redhat.com>
3832 * alias.c (get_addr): Externalize.
3833 (canon_true_dependence): New function. Behaves like true_dependance
3834 except it already assumes a MEM has been canonicalized.
3835 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3836 * gcse.c (struct ls_expr): Add load/store expressions structure.
3837 (modify_mem_list, canon_modify_mem_list): New variable.
3838 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3839 load motion and store motion if requested.
3840 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3841 (free_gcse_mem): Free the modify_mem_list array.
3842 (oprs_unchanged_p): Use load_killed_in_block_p.
3843 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3844 (mems_conflict_for_gcse_p): New function. Don't kill loads
3845 with stores to themselves if its in the load/store expression list.
3846 (load_killed_in_block_p): New function.
3847 (canon_list_insert): New Function.
3848 (record_last_mem_set_info): Keep a list of all instructions which
3849 can modify memory for each basic block.
3850 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3851 (oprs_not_set_p): Use load_killed_in_block_p.
3852 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3853 (expr_killed_p): Use load_killed_in_block_p.
3854 (compute_transp): Do not pessimize memory references.
3855 (pre_edge_insert): Update stores for a load motion expression.
3856 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3857 (ldst_entry): Find or create a ldst_expr structure.
3858 (free_ldst_entry): Free memory for an individual item.
3859 (free_ldst_mems): Free entire load/store expression list.
3860 (print_ldst_list): Print debug info.
3861 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3862 (enumerate_ldsts): Assign integer values to each entry in list.
3863 (first_ls_expr): First expression in the list.
3864 (next_ls_expr): Next expression in the list.
3865 (simple_mem): Check if expression qualifies for ld/st expression list.
3866 (invalidate_any_buried_refs): Remove from expression list if its
3867 used in some other way we dont understand.
3868 (compute_ld_motion_mems): Find all potential enhanced load motion
3870 (trim_ld_motion_mems): Remove any expressions which are invalid.
3871 (update_ld_motion_stores): Copy store values to registers for loads
3872 which have been moved.
3873 (regvec, st_antloc, num_store): New global statics.
3874 (reg_set_info): Marks registers as set.
3875 (store_ops_ok): Verfies registers expressions are valid in a block.
3876 (find_moveable_store): Look for moveable stores in a pattern.
3877 (compute_store_table): Find stores in a function worth moving, maybe.
3878 (load_kills_store): Check dependance of a load and store.
3879 (find_loads): Find any loads in a pattern.
3880 (store_killed_in_insn): Check if a store is killed in an insn.
3881 (store_killed_after): Check is store killed after an insn in a block.
3882 (store_killed_before): Check is store killed before an insn in a block.
3883 (build_store_vectors): Generate the antic and avail vectors.
3884 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3885 (insert_store): Add a store to an edge.
3886 (replace_store_insn): Replace a store with a SET insn.
3887 (delete_store): Delete a store insn.
3888 (free_store_memory): Free memory.
3889 (store_motion): Perform store motion.
3890 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3891 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3892 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3893 (f_options): Add gcse-lm and gcse-sm.
3895 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3897 * i386.c (expand_fp_movcc): Fix condition reversal code.
3899 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3900 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3901 (CLASS_MAX_NREGS): Use it.
3903 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3904 handle properly complex values.
3905 (CLASS_MAX_NREGS): Likewise; update comment.
3907 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3909 * ia64.c (ia64_flag_schedule_insns2): New variable.
3910 (ia64_override_options): Initialize it. Clear
3911 flag_schedule_insns_after_reload.
3912 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3914 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3916 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3917 Do not require source to match destination anymore;
3918 Add abort to the nontrivial cases that should be handled by split.
3919 (fix_trunc?fdi): Add SSE case for x86_64.
3920 (floatdi?f): Likewise.
3921 (floatdi?f_sse): New.
3922 (fix_trunc?fdi_sse): New.
3924 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3926 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3927 (DEBUG_ARANGES_END_LABEL): Ditto.
3928 (dwarfout_init): Generate length and version fields at the start
3929 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3930 after the length field.
3931 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3932 the .debug_aranges info.
3934 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3936 * i386.c (call, call_value): Make sure that resulting call_insn
3937 does have proper second operand.
3939 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3941 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3942 function. Remove include of sys/cygwin.h.
3944 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3946 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3947 (CPP_SPEC): Always search */include/w32api for header files.
3948 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3949 (LINK_SPEC): Add "cyg" to the library search prefixes.
3951 2001-04-08 Philip Blundell <philb@gnu.org>
3953 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3955 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3957 * cpperror.c (print_location): Don't special case <stdin>.
3958 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3959 WARNING, but we don't check if we're in system headers.
3960 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3961 * cpplib.c (do_warning): Warn in system headers.
3963 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3965 * mbchar.c: Include config.h first.
3967 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3969 * config.gcc: Set default for xmake_file at top, not bottom.
3970 Change places that set xmake_file to "none" to set to the
3971 empty string instead, or remove them entirely if there is no
3972 default xmake_file for this cpu_type. Remove references to
3975 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3976 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3977 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3978 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3979 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3980 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3981 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3982 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3983 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3984 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3987 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3988 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3989 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3990 config/mips/x-sysv, config/rs6000/x-aix31:
3991 Just set CLIB to -lld or -lmld, as appropriate.
3993 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3994 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3995 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3996 config/mips/x-iris, config/pa/x-pa:
3997 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3998 OTHER_FIXINCLUDES_DIRS.
4000 * config/i386/x-djgpp: Don't set LN or LN_S.
4001 * config/m88k/x-dolph: Don't define __m88k__.
4002 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4003 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4004 * config/i860/fx2800.h: No need to #undef SVR4.
4006 38 x-host fragments remain, 2 x-cpu.
4008 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4010 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4012 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4014 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4016 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4018 * configure.in: Add check for lstat.
4019 * configure, config.in: Regenerate.
4020 * cppinit.c (append_include_chain): Make empty path ".".
4021 * cpplib.c (do_line): Don't simplify #line paths.
4022 * cppfiles.c (remove_component_p): New function.
4023 (find_or_create_entry): Acknowledge stat () errors during
4024 path simplification.
4025 (handle_missing_header): Don't simplify paths.
4026 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4027 the empty path untouched. Don't leave a trailing '/'.
4029 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4031 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4032 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4034 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4036 * cppfiles.c (open_file): Fail directories silently, but
4037 with an errno of NOENT set.
4038 (read_include_file): Move the common exit code to the sole
4039 caller. Return an int indicating success or failure. Let
4040 open_file handle directories.
4041 (stack_include_file): If read_include_file fails,
4042 push a "null" buffer.
4044 2001-04-05 DJ Delorie <dj@redhat.com>
4046 * function.h (virtuals_instantiated): Declare.
4047 * function.c: (virtuals_instantiated): Make global.
4048 * calls.c (emit_library_call_value_1): Use
4049 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4050 Otherwise, use the stack pointer directly.
4052 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4054 * i386.c (x86_initialize_trampoline): New global function.
4055 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4056 (INITIALIZE_TRAMPOLINE): Move offline.
4057 * i386-protos.h (x86_initialize_trampoline): Declare.
4059 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4061 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4062 (lea_0): Rename to lea_1.
4063 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4064 (lea_general_?): Allow SImodes on TARGET_64BIT
4065 (lea_general_?_zext): New patterns.
4066 (call_1, call_1_rex64): Fix.
4068 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4070 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4072 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4074 * i386.c (function_arg): Return constm1_rtx for last argument.
4075 (ix86_expand_prologue): Update gen_call calls.
4076 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4077 * i386.md (call_pop): Likewise.
4078 (call): Second operand is VOIDmode.
4079 (call_0): Likewise; Support 64bits.
4080 (call_exp): New expander.
4081 (call_1): Get to the sync.
4082 (call_1_exp): New pattern.
4083 (call_value): Support 64bit.
4084 (call_value_exp): New pattern.
4085 (untyped_call): Update gen_call call.
4086 (call_value_pop): Disable for 64bit.
4087 (call_value_0_rex64): New pattern.
4088 (call_value_1_rex64): Likewise.
4090 2001-04-05 Bo Thorsen <bo@suse.de>
4092 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4094 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4096 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4097 satisfies ANY_QI_REG_P.
4099 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4101 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4104 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4107 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4109 * config.gcc: Remove default for xm_file. Clean up local
4110 machine type handling. Remove settings of xm_file to
4111 something that doesn't exist. In the big switch, set xm_file,
4112 don't append to it (the value before the big switch is always
4113 null). Don't force build_xm_file or host_xm_file to have a value.
4114 * configure.in: Remove default for xm_file. Do not special
4115 case $cpu/xm-$cpu.h not existing.
4116 * configure: Regenerate.
4118 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4120 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4121 when folding integer division and modulo operations.
4123 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4125 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4126 instead of DWARF2_ADDR_SIZE for EH addresses.
4127 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4130 2001-04-04 Richard Henderson <rth@redhat.com>
4132 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4133 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4134 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4136 2001-04-04 Richard Henderson <rth@redhat.com>
4138 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4139 * configure: Rebuilt.
4141 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4143 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4144 push insns to delete to it instead of deleting them.
4145 (delete_null_pointer_checks): Delete insns from delete_list after
4146 all delete_null_pointer_checks_1 passes are done.
4148 2001-04-04 Richard Henderson <rth@redhat.com>
4150 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4151 * configure: Rebuilt.
4153 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4155 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4156 * config/romp/xm-romp.h: Delete.
4158 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4160 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4163 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4165 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4166 all labels present in rtx.
4167 (try_split) Call new function for all split insns.
4169 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4171 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4172 sure the change won't be validated.
4174 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4176 * rtl.h (set_noop_p): Declare.
4177 * flow.c (set_noop_p): Move from here ...
4178 * rtlanal.c (set_noop_p): ... to here and enhance.
4179 * cse.c (delete_trivially_dead_insns): Use it.
4180 * gcse.c (hash_scan_set): Likewise.
4181 * jump.c (delete_noop_moves): Likewise.
4182 * recog.c (split_all_insns): Likewise.
4184 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4186 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4187 stack pointer via a LO_SUM. Ditto for setting a temp register
4188 used to save to the stack. Set cfa_temp when setting fp, and
4189 allow matches to cfa_temp in addition to cfa_store when saving
4190 regs. Handle POST_INC and LO_SUM register stores. Document the
4191 changes and errors in rule 12 doco.
4193 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4194 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4195 (load_reg): Move closer to epilogue code.
4196 (DO_FRAME_NOTES): Define to control the following..
4197 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4198 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4200 (hppa_expand_epilogue): Likewise.
4202 2001-04-03 Richard Henderson <rth@redhat.com>
4204 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4205 * configure: Rebuild.
4207 2001-04-03 Richard Henderson <rth@redhat.com>
4209 * rtl.h (LCT_THROW): New.
4210 * calls.c (emit_library_call_value_1): Handle it.
4211 * except.c (connect_post_landing_pads): Use it.
4213 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4215 * gansidecl.h: Delete file.
4216 * configure.in: Change all refs to gansidecl.h to use
4217 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4219 * configure: Regenerate.
4221 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4222 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4223 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4224 Don't include gansidecl.h.
4225 * intl.c, main.c, version.c, fixinc/fixlib.h,
4226 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4229 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4231 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4234 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4236 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4237 config/i386/xm-next.h, config/i386/xm-sco.h,
4238 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4239 config/m88k/xm-m88k.h: Delete.
4241 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4242 * config/romp/xm-romp.h: Don't define bcopy.
4243 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4244 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4246 * config.gcc: Remove references to deleted files.
4248 14 xm-host.h remain, 1 xm-cpu.h.
4250 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4251 David S. Miller <davem@pierdol.cobaltmicro.com>
4252 Andrew MacLeod <amacleod@redhat.com>
4254 Use byte offsets in SUBREGs instead of words.
4256 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4257 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4258 to pass new argument.
4259 (add_stored_regs): Use subreg_regno_offset function.
4260 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4262 (precompute_arguments): Use gen_lowpart_SUBREG.
4263 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4264 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4265 (simplify_set): Rework to use SUBREG_BYTE.
4266 (expand_field_assignment): Use SUBREG_BYTE.
4267 (make_extraction): Use SUBREG_BYTE.
4268 (if_then_else_cond): Use SUBREG_BYTE.
4269 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4270 (gen_lowpart_for_combine): Compute full byte offset.
4271 * cse.c (mention_regs): Use SUBREG_BYTE.
4272 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4273 (canon_hash): Use SUBREG_BYTE.
4274 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4275 (gen_lowpart_if_possible): Formatting.
4276 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4278 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4279 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4280 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4281 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4282 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4283 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4284 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4285 certain invariants about SUBREGs the compiler creates.
4286 (gen_lowpart_SUBREG): New function.
4287 (subreg_hard_regno): New function to get the final register number.
4288 (gen_lowpart_common): Use SUBREG_BYTE.
4289 (gen_imagpart): Spacing nits.
4290 (subreg_realpart_p): Use SUBREG_BYTE.
4291 (gen_highpart): Use SUBREG_BYTE.
4292 (subreg_lowpart_p): Always compute endian corrected goal offset,
4293 even at the byte level, then compare against that.
4294 (constant_subword): New function, pulled out all constant cases
4295 from operand_subword and changed second argument name to offset.
4296 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4297 and call constant_subword to do the work. Return const0_rtx if
4298 looking for a word outside of OP.
4299 (operand_subword_force): Change second arg name to offset.
4300 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4301 (store_split_bit_field): Use SUBREG_BYTE.
4302 (extract_bit_field): Use SUBREG_BYTE.
4303 (extract_split_bit_field): Use SUBREG_BYTE.
4304 (expand_shift): Use SUBREG_BYTE.
4305 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4306 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4307 * flow.c (set_noop_p): Use SUBREG_BYTE.
4308 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4309 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4310 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4312 (optimize_bit_field): Use SUBREG_BYTE.
4313 (purge_addressof_1): Use SUBREG_BYTE.
4314 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4315 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4316 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4317 * gengenrtl.c (special_rtx): Add SUBREG.
4318 * global.c (mark_reg_store): Use SUBREG_BYTE.
4319 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4320 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4321 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4322 final byte offset is congruent to subreg's mode size.
4323 (subst_constants): Use SUBREG_BYTE.
4324 (mark_stores): Use subreg_regno_offset function.
4325 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4326 function and SUBREG_BYTE.
4327 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4328 (reg_is_born): Use subreg_hard_regno.
4329 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4330 endian correction code. Don't combine subregs unless resulting
4331 offset aligns with type. Fix subreg constant extraction for DImode.
4332 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4333 (general_operand): Remove dead mode_altering_drug code.
4334 (indirect_operand): Use SUBREG_BYTE.
4335 (constrain_operands): Use subreg_regno_offset function.
4336 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4337 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4338 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4339 * regs.h (REG_SIZE): Allow target to override.
4340 (REGMODE_NATURAL_SIZE): New macro which target can override.
4341 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4342 on the entire subreg rtx.
4343 (push_reload): Use SUBREG_BYTE in comments and code.
4344 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4345 for hard registers inside subregs.
4346 (operands_match_p): Use subreg_regno_offset.
4347 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4348 containing hard regs.
4349 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4350 corrections when fixing up MEM subregs.
4351 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4352 subreg_regno_offset where appropriate.
4353 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4354 byte endian corrections when fixing up MEM subregs.
4355 (subst_reloads): When combining two subregs, make sure final
4356 offset is congruent to subreg's mode size.
4357 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4358 (refers_to_regno_for_reload_p): Use subreg_regno.
4359 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4360 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4361 correction code for memory subreg fixups.
4362 (forget_old_reload_1): Use subreg_regno_offset.
4363 (choose_reload_regs): Use subreg_regno.
4364 (emit_input_reload_insns): Use SUBREG_BYTE.
4365 (reload_combine_note_store): Use subreg_regno_offset.
4366 (move2add_note_store): Use subreg_regno_offset.
4367 * resource.c (update_live_status, mark_referenced_resources): Use
4368 subreg_regno function.
4369 (mark_set_resources): Use subreg_regno function.
4370 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4371 (subreg_regno_offset, subreg_regno): Define prototypes.
4372 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4373 (gen_lowpart_SUBREG): Add prototype.
4374 * rtl.texi (subreg): Update to reflect new byte offset representation.
4375 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4376 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4377 (reg_overlap_mentioned_p): Use subreg_regno.
4378 (replace_regs); Make sure final offset of combined subreg is
4379 congruent to size of subreg's mode.
4380 (subreg_regno_offset): New function.
4381 (subreg_regno): New function.
4382 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4383 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4384 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4385 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4386 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4387 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4388 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4389 (print_operand): Use SUBREG_BYTE.
4390 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4391 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4392 (arm_reload_out_hi): Use SUBREG_BYTE.
4393 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4394 instead of SUBREG_WORD.
4395 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4396 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4397 SUBREG creation to use byte offset.
4398 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4399 inverted load insns): Fix explicit rtl subregs to use byte
4401 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4402 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4403 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4404 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4405 to use byte offsets.
4406 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4407 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4408 offsets, also make sure it is congruent to SUBREG's mode size.
4409 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4410 unnamed ldob insn): Generate SUBREGs with byte offset.
4411 (zero_extendqihi2): SUBREG's are byte offsets.
4412 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4413 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4414 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4415 zero-extendqisi2): Generate SUBREGs with byte offset.
4416 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4417 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4418 subregs in rtl to use byte offsets.
4419 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4420 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4421 (mips_move_2words): Use subreg_regno_offset.
4422 (mips_secondary_reload_class): Use subreg_regno_offset.
4423 * config/mips/mips.md (DImode plus, minus, move, and logical op
4424 splits): Fixup explicit subregs in rtl to use byte offsets.
4425 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4426 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4427 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4428 rtl to use byte offsets.
4429 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4430 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4431 subregs to use byte offsets.
4432 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4433 Fixup explicit subregs in rtl to use byte offsets.
4434 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4435 and remove byte endian correction code.
4436 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4437 (gen_ashift_hi): Use SUBREG_BYTE.
4438 (regs_used): Use subreg_regno_offset.
4439 (machine_dependent_reorg): Use subreg_regno_offset.
4440 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4441 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4442 (movdf_i4): Subregs are byte offsets now.
4443 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4444 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4445 (REGMODE_NATURAL_SIZE): Override.
4446 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4447 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4449 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4450 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4451 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4452 it is congruent to SUBREG's mode size.
4453 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4455 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4456 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4457 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4458 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4459 * config/v850/v850.c (print_operand, output_move_double): Use
4460 subreg_regno function.
4462 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4464 * configure.in (target_subdir): Use target_alias, not target.
4465 * configure: Rebuilt.
4467 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4469 * config/sh/crti.asm: Fix typos in comments.
4471 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4473 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4474 TARGET_FAST_INDIRECT_CALLS.
4475 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4477 (return_addr_rtx): Short circuit export stub matching when
4478 TARGET_NO_SPACE_REGS.
4479 (output_millicode_call): For out of range calls, make -fPIC
4480 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4481 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4482 * pa.md: Modify length attr calculation of all millicode insns to
4485 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4487 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4488 Require at least 2.11 in the version test. Specifically check
4489 for and reject GAS version 2.10.90.
4490 * configure: regenerate.
4492 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4494 * pa.c (override_options): Remove PIC profiling warning.
4495 (hp_profile_labelno): Delete.
4496 (hp_profile_label_rtx): Delete.
4497 (hp_profile_label_name): Delete.
4498 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4499 (output_function_prologue): Remove profiling code and all tests on
4500 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4501 merge_sp_adjust_with_store can work for PIC and profiling.
4502 (hppa_expand_epilogue): Remove profile_flag test.
4503 (hppa_can_use_return_insn_p): Likewise.
4504 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4505 cater for PROFILE_HOOK.
4506 (hppa_profile_hook): New function.
4507 * pa.h (FUNCTION_PROFILER): Now does nothing.
4508 (PROFILE_HOOK): Define.
4509 (hppa_profile_hook): Declare.
4510 (PROFILE_BEFORE_PROLOGUE): Delete.
4511 (ASM_OUTPUT_REG_PUSH): Delete.
4512 (ASM_OUTPUT_REG_POP): Delete.
4513 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4514 r24. Accept function name operand, and use this and a locally
4515 generated label to calculate pc-rel offset to func start.
4517 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4520 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4523 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4525 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4526 LO_SUM cases to where they belong.
4528 2001-04-02 Richard Henderson <rth@redhat.com>
4530 * except.h (lang_eh_type_covers): Mark extern.
4531 (lang_eh_runtime_type): Likewise.
4533 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4535 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4536 gengenrtl.c: Wrap generated header in multiple-include guard.
4537 Improve error checking.
4539 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4541 * configure.in: Don't check for putenv.
4542 * configure: Regenerate.
4543 * gcc.c (putenv): Don't define.
4544 * vax/xm-vms.h: Handle putenv.
4546 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4548 * ifcvt.c (noce_emit_move_insn): New.
4549 (noce_try_store_flag, noce_try_store_flag_constants,
4550 noce_try_store_flag_inc, noce_try_store_flag_mask,
4551 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4552 noce_try_abs): Use it.
4553 (noce_process_if_block): Likewise.
4554 For STRICT_LOW_PART, take mode from its SUBREG.
4556 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4558 * fold-const.c (fold): Before optimizing unsigned comparison with
4559 0x7fffffffU, make sure arg0 is integral type.
4561 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4563 * c-tree.texi: Document representation of wide strings.
4565 2001-04-01 Richard Henderson <rth@redhat.com>
4567 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4569 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4571 * i386.md: remove obsoleted comments.
4572 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4573 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4574 fix output template.
4576 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4578 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4580 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4582 * loop.c (load_mems): When generating a load from a pseudo, update
4585 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4587 * i386.c (ix86_split_long_move): Use change address to compensate
4588 stack pointer change in push instruction.
4590 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4592 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4593 instead of rtx_equal_p; fix the output template.
4595 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4597 * i386.c (ix86_expand_setcc): Support 64bit.
4598 (ix86_expand_int_movcc): Likewise.
4599 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4602 * i386.md (allocate_stack_worker): Turn to expander.
4603 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4605 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4607 2001-03-29 Richard Henderson <rth@redhat.com>
4609 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4611 2001-03-28 Matthew Hiller <hiller@redhat.com>
4613 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4616 * MAINTAINERS: Added self.
4618 2001-03-28 Richard Henderson <rth@redhat.com>
4620 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4621 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4623 2001-03-28 Jim Wilson <wilson@redhat.com>
4625 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4628 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4630 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4632 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4635 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4637 2001-03-28 DJ Delorie <dj@redhat.com>
4639 * Makefile.in (stage1_build): Revert CFLAGS patch.
4641 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4643 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4644 when multiplier or multiplicand is zero.
4646 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4648 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4650 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4652 (set_src_needs_barrier): Likewise.
4653 (rtx_needs_barrier): For SET case, use these two functions. Rework
4654 PARALLEL case to handle all inputs before all outputs.
4655 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4656 saw a label and no stop bit since then.
4657 (maybe_rotate, process_epilogue): Add prototypes.
4659 2001-03-28 Richard Henderson <rth@redhat.com>
4661 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4662 not TARGET_TOC for special toc restore handling.
4663 * config/rs6000/rs6000.md (eh_return): Likewise.
4665 2001-03-28 Richard Henderson <rth@redhat.com>
4667 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4668 current_function_calls_eh_return.
4669 (output_function_epilogue): Handle eh_return.
4670 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4671 (EH_RETURN_DATA_REGNO): New.
4672 (EH_RETURN_STACKADJ_RTX): New.
4673 (EH_RETURN_HANDLER_RTX): New.
4674 * config/sparc/sparc.md (call/short branch peepholes): Check
4675 can_throw_internal instead of in_same_eh_region.
4677 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4678 for eh_return data registers.
4679 (rs6000_emit_prologue): Save eh_return data registers.
4680 (rs6000_emit_epilogue): Force inline restores if eh_return.
4681 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4682 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4683 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4684 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4685 the target uses one.
4686 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4687 (return_eh_si, return_eh_di): Remove.
4688 (eh_return): New, from corpse of eh_epilogue.
4689 (eh_set_lr_si, eh_set_lr_di): New.
4691 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4692 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4693 True for pic register if current_function_calls_eh_return.
4694 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4695 Handle eh_return requirements.
4696 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4697 (EH_RETURN_STACKADJ_RTX): New.
4698 * config/i386/i386.md (exception_receiver): Remove.
4699 (eh_return, eh_return_1): New.
4700 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4702 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4703 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4704 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4705 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4706 (EH_RETURN_DATA_REGNO): New.
4707 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4708 * config/alpha/alpha.md (eh_epilogue): Remove.
4709 (exception_receiver): Use $26 for ldgp input.
4710 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4712 2001-03-28 Richard Henderson <rth@redhat.com>
4714 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4715 * except.h: Likewise.
4717 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4718 (LIB2ADDEHDEP): New.
4719 (LIB2FUNCS_EH): Remove.
4720 (LIB2ADD): Remove LIB2ADDEH.
4721 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4722 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4723 (crt{begin,end}[S].o): Likewise.
4724 (except.o): Update includes.
4725 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4726 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4728 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4729 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4730 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4731 * builtins.c (expand_builtin): Implement it.
4732 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4733 * c-common.c (c_common_nodes_and_builtins): Declare it.
4734 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4735 * calls.c (libfunc_nothrow): Remove.
4736 (emit_library_call_value_1): Don't call it.
4737 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4738 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4739 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4740 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4741 (current_funcdef_number): Globalize.
4742 (output_call_frame_info): Emit frame data if an lsda is needed.
4743 Generate augmentation for personality routine. Don't play with
4745 (dwarf2out_begin_prologue): Record funcdef_number.
4746 * dwarf2out.h (current_funcdef_number): Declare.
4747 * expr.c (expand_expr): Update for except.h name changes.
4748 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4749 * expr.h (LTI_throw, LTI_rethrow): Remove.
4750 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4751 (LTI_eh_rtime_match): Remove.
4752 (LTI_unwind_resume, LTI_eh_personality): Add.
4753 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4754 * final.c (final): Don't call check_exception_handler_labels,
4755 init_insn_eh_region, or free_insn_eh_region.
4756 (final_scan_insn): Always emit debug labels for
4757 NOTE_INSN_EH_REGION notes.
4758 * flags.h (flag_new_exceptions): Remove.
4759 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4760 (record_active_eh_regions): Remove.
4761 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4762 Use can_throw_internal.
4763 (find_basic_blocks_1): Likewise.
4764 (move_stray_eh_region_notes): Remove.
4765 (find_label_refs): No eh_return_stub_label.
4766 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4767 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4769 (delete_unreachable_blocks): Don't track deleted handlers.
4770 (flow_delete_block): Use maybe_remove_eh_handler.
4771 (delete_eh_regions): Remove.
4772 (merge_blocks): Don't check for eh region match.
4773 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4774 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4775 (init_propagate_block_info): Disable dead frame store optimization
4776 when current_function_calls_eh_return.
4777 (dump_bb): Don't print eh_beg, eh_end.
4778 * function.c (fixup_var_refs): No catch_clauses.
4779 (expand_function_end): Likewise. Call expand_eh_return before
4780 the return register use. Call sjlj_emit_function_exit_after.
4781 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4782 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4783 * ifcvt.c (dead_or_predicable): Remove eh region check.
4784 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4785 Don't check for EH vs parameters.
4786 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4787 (expand_inline_function): Call duplicate_eh_regions.
4788 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4789 (copy_insn_notes): Remap REG_EH_REGION notes.
4790 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4791 * integrate.h (struct inline_remap): Add local_return_label.
4792 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4793 check_exception_handler_labels, nor exception_optimize.
4794 (find_cross_jump): No EH region check.
4795 * optabs.c (init_optabs): Update for changed eh libfuncs.
4796 * rtl.def (RESX): New.
4797 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4798 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4799 checks. Update for except.h name changes.
4800 (expand_cleanups): Likewise.
4801 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4802 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4803 (compile_file): Call init_eh before init_optabs. Don't
4804 output_exception_table here.
4805 (rest_of_compilation): Call convert_from_eh_region_ranges,
4806 convert_to_eh_region_ranges, output_function_exception_table.
4807 Don't emit_eh_context.
4808 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4809 (EXC_PTR_EXPR): New.
4811 * md.texi (eh_epilogue): Remove.
4812 (eh_return): Document.
4813 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4814 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4816 * eh-common.h: Remove file.
4817 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4818 * libgcc2.c (L_eh): Remove.
4820 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4821 * unwind-dw2-fde.h: New file.
4822 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4823 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4824 * libgcc-std.ver: Update for eh symbols.
4826 2001-03-27 Richard Henderson <rth@redhat.com>
4828 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4829 reduce false positives.
4830 (regmove_optimize): Disable if flag_non_call_exceptions.
4832 * stmt.c (expand_return): Remove always true predicate.
4833 (expand_decl_cleanup_no_eh): Remove dead code.
4835 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4836 barrier code. Add a scheduling barrier if a non-call insn
4837 can throw internally.
4839 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4840 Auto-inc addresses trap only if their base register does.
4842 * except.c (can_throw_internal): Rename from can_throw.
4843 * except.h, resource.c: Update references.
4845 * integrate.c (copy_insn_list): Use returnjump_p.
4846 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4848 * function.h (struct function): Move all boolean valued fields
4849 to single bit fields at the end of the struct.
4851 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4853 Rename asynchronous_exceptions to flag_non_call_exceptions.
4855 * gthr-single.h (UNUSED): New. Distinguish between how C
4856 and C++ mark unused function arguments. Use throughout.
4858 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4859 value to target configuration header.
4860 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4861 * config.in, configure: Rebuild.
4862 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4863 configuration and target defines.
4864 (exceptions_via_longjmp): Remove.
4865 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4866 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4868 * except.h (flag_non_call_exceptions): Move ...
4869 * flags.h: ... here.
4871 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4872 exceptions, put the note on the trapping instruction.
4874 * flags.h (flag_new_exceptions): Remove.
4875 * toplev.c: Don't set it.
4876 * final.c: Don't check it.
4877 * except.c: Provide stub definition.
4879 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4880 (calculate_global_regs_live): Kill call-clobbered registers
4881 across exception edges.
4882 * reg-stack.c (convert_regs_1): Kill the entire target stack
4883 across non-call exception edges.
4885 * flow.c (cleanup_cfg): Take no argument.
4886 * output.h, sibcall.c, toplev.c: Update all calls.
4888 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4890 * configure.in: Don't check for bcopy.
4891 * configure, config.in: Regenerate.
4893 * system.h: Don't define or prototype bcopy, instead poison it.
4895 2001-03-27 Richard Henderson <rth@redhat.com>
4897 * function.c (expand_function_start): Set DECL_REGISTER on
4898 a pseudo used for DECL_RESULT.
4900 * rtl.h (LCT_NORETURN): New.
4901 * calls.c (emit_library_call_value_1): Handle it.
4903 2001-03-27 Stan Shebs <shebs@apple.com>
4905 * objc/objc-act.c (objc_init): Use dump_base_name.
4906 (gen_declaration): Clear the buffer arg.
4907 (gen_declaration_1): New function, body of gen_declaration.
4908 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4909 (gen_method_decl): Ditto, plus always clear buffer arg.
4910 (error_with_ivar): Simplify.
4911 (warn_with_method): Ditto.
4912 (build_message_expr): Don't clear buffers.
4913 (dump_interface): Ditto.
4914 (objc_debug): Ditto.
4915 (build_keyword_selector): Clear the buffer by only zeroing
4917 (objc_implementation_context): Declare.
4918 (start_class): Warn about missing @end.
4919 (finish_objc): Ditto.
4921 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4923 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4925 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4927 * Makefile.in (SYSTEM_H): Define.
4928 Depend on $(SYSTEM_H), not system.h.
4930 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4932 2001-03-27 Jim Wilson <wilson@redhat.com>
4934 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4936 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4937 (process_epilogue): New static function.
4938 (process_set): Call process_epilogue instead of emitting .restore
4940 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4942 * flow.c (struct reg_cond_life_info): New fields orig_condition
4944 (init_propagate_block_info): Set new fields.
4945 (mark_regno_cond_dead): Set and use new fields.
4946 (flush_reg_cond_reg_1): Likewise.
4947 (and_reg_cond, case AND): Check for redundant AND conditions.
4948 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4951 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * cppmacro.c (stringify_arg): Null terminate strings.
4955 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4957 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4958 inclusion style. xm-m68hc11.h no longer exists.
4959 * config/m68hc11/xm-m68hc11.h: Delete file.
4960 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4962 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4963 Don't define GCC_VERSION, N_, or PARAMS; don't include
4964 gansidecl.h or stdio.h. Define inhibit_libc here.
4965 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4966 Delete code conditioned on #if GCC_VERSION == 2095.
4968 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4969 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4970 Delete code conditioned on #if GCC_VERSION == 2095.
4972 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4974 * system.h: Include symcat.h.
4975 (STRINGIFY): Don't define.
4977 * configure.in: Adjust comment.
4979 * builtins.c: Use STRINGX, not STRINGIFY.
4980 * gencheck.c: Likewise.
4981 * gengenrtl.c: Likewise.
4982 * protoize.c: Likewise.
4984 * cpplex.c: Don't include symcat.h.
4985 * cpplib.c: Likewise.
4987 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4989 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4991 * c-typeck.c (digest_init): Fold init expression.
4993 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4995 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4997 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4999 * except.c (eh_regs): Save results of build_pointer_type to a temp
5000 as FUNCTION_VALUE macro may evaluate its args multiple times.
5002 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5004 * c-common.h (DECL_NUM_STMTS): New macro.
5005 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5007 (pushdecl): Likewise.
5008 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5009 * integrate.c (expand_inline_function): Don't check
5011 * print-tree.c (print_node): Don't print it.
5012 * toplev.c (rest_of_compilation): Don't try to inline when
5013 flag_no_inline is on.
5014 * tree.h (DECL_FRAME_SIZE): Remove.
5015 (tree_decl): Adjust accordingly.
5017 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5019 * combine.c (try_combine): Use memcpy, not bcopy.
5021 * genattrtab.c (expand_units): Likewise.
5023 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5025 * i386.md (push mem DI peep2): New.
5026 (mov 0, mov -1 peep2): Handle 64bit.
5027 (lea to arithmetics peep2): Handle 64bit leas.
5028 (rsp arithmetics to push/pop peep2s): New.
5030 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5032 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5034 * i386.c (struct machine_function): Add save_varrargs_registers.
5035 (ix86_save_varrargs_registers): New macro.
5036 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5037 (ix86_expand_prologue): Likewise.
5038 (ix86_emit_epilogue_esp_adjustement): Likewise.
5039 (ix86_expand_epilogue): Likewise.
5040 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5041 (pro_epilogue_adjust_stack_1): New insn.
5042 (pro_epilogue_adjust_stack_rex64): Likewise.
5043 * i386.h (MASK_NO_RED_ZONE): New constant.
5044 (TARGET_RED_ZONE): New macro.
5045 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5046 (RED_ZONE_SIZE): New constant.
5047 (RED_ZONE_RESERVE): New constant.
5049 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5053 2001-03-25 Kazu Hirata <kazu@hxi.com>
5055 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5058 (umodhi3): Likewise.
5061 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5063 * mkconfig.sh (DEFINES): Handle entries with '='.
5065 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5066 Set xm_defines to MACRO=value instead.
5068 * i370/xm-mvs.h: Delete.
5070 * ns32k/xm-pc532-min.h: Likewise.
5072 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5074 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5076 use ix86_expand_binary_operator
5077 (?sh??i_?): Disable for 64bit.
5078 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5079 * i386.c (shiftdi_operand): New predicate.
5081 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5082 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5083 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5084 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5085 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5086 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5087 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5088 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5089 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5090 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5091 (rotldi3, rotrdi3): New expanders.
5093 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5095 * i386.md (movstrsi): Move offline.
5097 (strmovdi_rex64): New.
5098 (strmov?i): Accept 64bit.
5099 (strmov?i_rex64): New.
5100 (strmov?i_rex_1): New.
5101 (strmov?i_1): Disable for 64bit.
5102 (rep_mov?i_rex64): New.
5103 (rep_mov?i): Disable for 64bit.
5104 (clrstrsi): Move offline.
5105 (strset?i_rex64): New.
5106 (strset?i: Accept 64bit.
5107 (rep_stos?i): Disable for 64bit.
5108 (rep_stos?i_rex64): New.
5109 (strset?i_rex_1): New.
5110 (strset?i_1): Disable for 64bit.
5111 (cmpstrsi): Accept 64bit.
5112 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5113 (cmpstrqi_nz_rex_1): New.
5114 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5115 (strlensi): Move offline.
5117 (strlenqi_1): Disable for 64bit; fix constraints.
5118 (strlenqi_rex_1): New.
5119 * i386.c (ix86_adjust_counter): New static function.
5120 (ix86_zero_extend_to_Pmode): Likewise.
5121 (ix86_expand_aligntest): Likweise.
5122 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5123 (ix86_expand_movstr): New global function.
5124 (ix86_expand_clrstr): New global function.
5125 (ix86_expand_strlen): New global function.
5126 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5127 ix86_expand_strlen): Declare.
5128 (ix86_expand_strlensi_unroll_1): Delete.
5130 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5132 * i386.md (cmpdi): Fix operand predicates.
5133 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5134 cmpdi_1_insn_rex64): New patterns.
5135 (adddi3): Turn to expander.
5136 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5137 (addsi3_carry_zext): New pattern.
5138 (adddi_?_rex64): New patterns and splitters.
5139 (addsi_?_zext): New patterns.
5140 (subsi3_carry_zext): New pattern.
5141 (subdi_?_rex64): New patterns and splitters.
5142 (iorsi_?_zext): New patterns.
5143 (iordi_?_rex64): New patterns and splitters.
5144 (iorsi_?_zext): New patterns.
5145 (iorsi_?_zext_imm): New patterns.
5146 (xorsi_?_zext): New patterns.
5147 (xordi_?_rex64): New patterns and splitters.
5148 (xorsi_?_zext): New patterns.
5149 (negdi*): New patterns.
5150 (one_cmpldi*): Likewise.
5151 (one_cmplsi*_zext, negsi*_zext): Likewise.
5152 (testqi_ext_3_rex64): New pattern.
5154 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5156 * i386-protos.h (ix86_split_long_move): Return void.
5157 * i386.c (ix86_split_to_parts): Handle 64bit target.
5158 (ix86_split_long_move): Likewise.
5159 * i386.md (all calls to ix86_split_long_move): Update.
5161 2001-03-23 Richard Henderson <rth@redhat.com>
5163 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5164 to avoid shadowing arguments.
5166 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5168 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5169 to variable names where DECL_NAME is different from
5170 DECL_ASSEMBLER_NAME.
5172 2001-03-23 Jim Wilson <wilson@redhat.com>
5174 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5175 (assemble_alias): Call make_decl_rtl.
5177 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5179 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5181 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5183 * extend.texi: Document the "java_interface" attribute.
5185 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5187 * mkconfig.sh: Use a subshell with redirected stdout,
5188 instead of closing stdout and confusing commands that run
5189 afterward. Throw away output of cmp.
5191 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5193 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5195 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5197 * i386.md (zero_extendsidi2_32): Break out from ...
5198 (zero_extendsidi2): ... here ; turn to expander.
5199 (zero_extendsidi2_rex64): New.
5200 (extendsidi2_32): Break out from ...
5201 (extendsidi2): ... here ; turn to expander.
5202 (extendsidi2_rex64): New.
5203 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5204 (trunc?f?f splitters): Add 64bit versions.
5206 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5208 * i386.md (pushsi, pushsi2_prologue): Disable.
5209 (pushsi2_rex64): New.
5210 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5211 (movqi_ext_1): Disable for 64bit.
5212 (movqi_ext_1_rex64): New.
5213 (pushdi2_rex64): New pattern, peep2s and splitter.
5214 (pushdi2_prologue_rex64): New pattern.
5215 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5217 (movdi splitters): Disable for 64bit.
5218 (movdi_1_rex64): New pattern, peep2s and splitters.
5219 (swapdi): New pattern.
5220 (pushsf): Disable for 64bit.
5221 (pushsf_rex64): New pattern and splitter.
5222 (pushdf_nointeger): Disable for 64bit.
5223 (pushdf_integer): Handle the 64bit case.
5224 (pushtf): Likewise; update splitters.
5226 2001-03-22 Richard Henderson <rth@redhat.com>
5228 * mkconfig.sh: Include insn-flags.h.
5229 * Makefile.in (CONFIG_H): Include insn-flags.h.
5230 (lots of objects): Remove insn-codes.h and insn-flags.h.
5232 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5233 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5234 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5235 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5236 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5237 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5238 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5239 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5240 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5241 v850/v850.c, vax/vax.c:
5242 Don't include insn-flags.h.
5244 * diagnostic.c, expr.h, reload.c, toplev.c:
5245 Don't include insn-codes.h.
5247 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5248 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5249 c4x/c4x.c, i960/i960.c, mips/mips.c:
5250 Don't include insn-codes.h or insn-flags.h.
5252 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5253 or insn-flags.h in the generated code.
5254 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5255 (main): Forward declare struct rtx_def.
5257 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5259 * invoke.texi (-ffast-math): Remove duplicate line about
5262 * gcc.texi: Remove more obsolete documentation of bugs and
5263 installation problems.
5265 2001-03-21 Kazu Hirata <kazu@hxi.com>
5267 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5270 2001-03-20 Jason Merrill <jason@redhat.com>
5272 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5274 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5275 * varasm.c (CHKR_PREFIX): Likewise.
5277 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5279 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5280 is part of a multi-SET insn.
5282 * cse.c (find_comparison_args): Remove previous change.
5283 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5286 * config/i386/i386.md (conditional_trap): Remove warning.
5288 * recog.c (push_operand): Fix error in last change that caused
5289 undefined symbol on many targets.
5291 * sdbout.c: #include ggc.h.
5292 (sdbout_init): Move to end of file.
5293 Call ggc_add_tree_root for anonymous_types.
5294 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5295 (sdbout_one_type): Use DECL_NAME for field name.
5296 * Makefile.in (sdbout.o): Show includes ggc.h.
5298 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5300 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5301 (override_options): Use properlimits for preferred_stack_boundary.
5302 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5304 (ext_register_operand): Accept DImode.
5305 (load_pic_register): Abort on 64bit.
5306 (gen_push): Use Pmode instead of SImode.
5307 (ix86_save_reg): Pic reg is never used on 64bit.
5308 (ix86_expand_prologue): Likewise.
5309 (ix86_emit_save_regs): Use Pmode instead of SImode.
5310 (legitimate_address_p): Check displacement for 64bit.
5311 (print_operand): Avoid outputting of (%rip) on 64bit.
5312 (print_operand_address): Output (%rip) where possible.
5313 (split_di): Abort on 64bit registers.
5314 (ix86_expand_branch): DImode comparison is simple for x86_64.
5315 (memory_address_length): Recognize memory addresses formed using
5317 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5319 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5321 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5323 * recog.c (push_operand): Recognize new format of push instructions.
5325 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5327 * i386.md (pushqi1): New.
5328 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5329 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5330 x86_64_immediate_operand, x86_64_immediate_operand,
5331 x86_64_zext_immediate_operand): Declare.
5332 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5333 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5334 x86_64_immediate_operand, x86_64_immediate_operand,
5335 x86_64_zext_immediate_operand): define.
5336 * i386.h (PREDICATE_CODES): Add new predicates.
5338 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5340 * i386.md (pophi1, popqi1, pushqi1): Remove.
5342 * expr.c (emit_single_push_insn): New function.
5343 (move_by_pieces): Accept NULL as destination for push instructions.
5344 (gen_push_operand): Kill.
5345 (emit_push_insn): Pass NULL when pushing; avoid updating of
5346 stack_pointer_delta.
5347 * expr.h (gen_push_operand): Kill.
5349 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5351 * rtl.texi (COMPARE): Clarify documentation and reference section
5354 2001-03-20 Stan Shebs <shebs@apple.com>
5356 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5357 (get_object_reference): Ditto.
5358 (error_with_ivar): Use error_with_file_and_line.
5359 (warn_with_method): Use warning_with_file_and_line.
5361 2001-03-20 Tom Tromey <tromey@redhat.com>
5363 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5365 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5367 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5368 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5370 2001-03-20 DJ Delorie <dj@redhat.com>
5372 * Makefile.in (install-libgcc): Pass complete list of variables.
5373 (install-multilib): Ditto.
5375 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5377 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5378 drectve_section, switch_to_section.
5380 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5381 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5382 i386_pe_mark_dllimport.
5384 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5386 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5387 functions i386_pe_*.
5389 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5390 i386_pe_* functions with char * arguments.
5392 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5394 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5396 (movsi_ie): Introduce fpul store.
5398 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5400 * Makefile.in (OBJS): Remove hashtab.o.
5402 2001-03-19 Stan Shebs <shebs@apple.com>
5404 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5405 * c-lang.c (maybe_objc_method_name): Ditto.
5406 * c-tree.h (maybe_objc_method_name): Remove decl.
5408 2001-03-19 Tom Tromey <tromey@redhat.com>
5410 * gcc.c (init_gcc_specs): Fix comment.
5412 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5414 Compute DECL_ASSEMBLER_NAME lazily.
5415 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5416 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5417 (SET_DECL_ASSEMBLER_NAME): Likewise.
5418 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5419 (set_decl_assembler_name): Declare.
5420 (lang_set_decl_assembler_name): Likewise.
5421 * tree.c (lang_set_decl_assembler_name): New variab.e
5422 (set_decl_assembler_name): New function.
5423 (init_obstacks): Set lang_set_decl_assembler_name.
5424 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5425 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5426 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5427 where it's not necessary.
5428 (builtin_function): Likewise.
5429 (finish_decl): Likewise.
5430 * dbxout.c (dbxout_type_methods): Likewise.
5431 * ggc-common.c (ggc_mark_trees): Likewise.
5432 * profile.c (output_func_start_profiler): Likewise.
5433 * varasm.c (make_decl_rtl): Likewise.
5435 * cse.c (find_comparison_args): Update documentation. Fix
5436 mishandling of COMPARE operations.
5438 * tree.def (ABS_EXPR): Add documentation.
5439 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5441 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5443 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5445 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5447 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5448 Remove ia32 linux PIC kludge and move it...
5449 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5451 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5453 * i386.md (absdf2 expander): Fix 64bit case.
5455 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5457 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5459 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5461 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5463 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5465 * README.X11: Remove obsolete file.
5467 2001-03-18 Anthony Green <green@redhat.com>
5469 * config/pj/pj.h: Remove some trailing commas.
5470 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5472 2001-03-18 Richard Henderson <rth@redhat.com>
5474 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5475 * calls.c: ... here.
5476 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5477 defaults for them here.
5479 2001-03-17 Anthony Green <green@redhat.com>
5481 * config/pj/lib1funcs.S: Fix broken comment.
5482 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5485 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5487 * gcc.texi: Remove obsolete information relating to build and
5488 installation problems with enquire or the Pyramid C compiler.
5490 2001-03-17 Richard Henderson <rth@redhat.com>
5492 * dwarf2out.c (queue_reg_save): New.
5493 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5494 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5496 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5497 (cfa, cfa_store, cfa_temp): Make static.
5498 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5500 2001-03-17 Richard Henderson <rth@redhat.com>
5502 * integrate.h (struct inline_remap): Add local_return_label.
5503 * integrate.c (expand_inline_function): Initialize it and emit
5504 it after copy_insn_notes.
5505 (copy_insn_list): Don't store local_return_label here.
5506 (copy_insn_notes): New function split out from copy_insn_list.
5508 2001-03-17 Richard Henderson <rth@redhat.com>
5510 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5511 is generating .debug_line.
5512 (dwarf2out_init): Add main_input_filename to the file table first.
5513 * configure.in (as_dwarf2_debug_line): Test with file number 1
5514 instead of file number 0.
5516 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5518 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5519 (gen_rtx_combine): Deleted; all references changed as appropriate.
5520 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5522 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5524 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5526 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5529 2001-03-16 Jim Wilson <wilson@redhat.com>
5531 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5532 then set it to LOC_REG (79) instead of aborting.
5534 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5536 * gccbug.in: Remove high priority.
5538 2001-03-16 Richard Henerson <rth@redhat.com>
5540 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5541 output with a space instead of deleting it.
5542 * configure: Regenerate.
5544 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5546 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5547 handles the gory details of converting an object file into
5548 something that's safe to grep.
5549 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5550 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5551 newlines at either end of the string we're looking for.
5552 Make 'checking ...' message less stilted.
5553 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5554 ARM in-memory layout and its hypothetical converse. Don't
5555 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5556 HOST_WORDS_BIG_ENDIAN.
5558 * configure.in: Adjust for renamed macro. Move
5559 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5560 * configure, config.in: Regenerate.
5562 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5564 * fixinc/Makefile.in: Set SHELL.
5566 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5568 * fixinc/fixincl.c (fix_with_system): Quote file names before
5569 passing them to shell.
5571 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5573 * Makefile.in: Use fix-header$(build_exeext) instead
5576 2001-03-16 Richard Henderson <rth@redhat.com>
5578 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5579 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5580 (size_of_line_prolog): Remove.
5581 (output_line_info): Compute prologue size via label difference.
5582 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5584 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5585 assembler error when redefining file numbers.
5586 * config.in, configure: Rebuild.
5588 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5589 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5590 (dw2_asm_output_delta_uleb128): Likewise.
5591 (dw2_asm_output_delta_sleb128): Similarly.
5592 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5594 2001-03-16 Michael Meissner <meissner@redhat.com>
5596 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5598 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5600 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5602 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5603 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5604 being unsigned in ISO C and signed in traditional.
5605 (expand_prologue): Ditto.
5606 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5608 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5610 (divsi3,divdi3): Ditto.
5611 (modsi3,moddi3): Ditto.
5612 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5613 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5614 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5617 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5619 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5620 SSE based conditional moves on LTGT/UNEQ conditions;
5621 Canonicalize EQ to NE.
5622 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5623 (sse_mov?fcc_ne): New.
5625 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5627 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5629 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5630 register may be dead.
5632 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5634 * Makefile.in (hash.o): Depend on CONFIG_H.
5636 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5638 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5640 2001-03-15 Richard Henderson <rth@redhat.com>
5642 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5643 (ASM_OUTPUT_DWARF_PCREL): New.
5644 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5646 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5648 * cppfiles.c (stack_include_file): Use MAX of sysp.
5650 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5652 * config.gcc (ia64*-*-hpux*): New case.
5653 * config/ia64/hpux.h: New file for HP-UX support.
5654 * config/ia64/t-hpux: New file for HP-UX support.
5656 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5658 * fixinc/inclhack.def (irix_stdio_va_list): New.
5659 * fixinc/fixincl.x: Rebuilt.
5661 2001-03-15 Richard Henderson <rth@redhat.com>
5663 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5664 if provided by the target.
5665 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5666 (dw2_asm_output_addr): New.
5667 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5668 * dwarf2out.c (output_cfi): Use it for program addresses.
5669 (output_call_frame_info, output_die): Likewise.
5670 (output_aranges, output_line_info): Likewise.
5672 2001-03-15 Bruce Korb <bkorb@gnu.org>
5674 * gcc.c(main): make more rigorous
5675 * collect2.c(main): guard against ignoring SIGCHLD
5676 * protoize.c(main): ditto
5677 * gcc/fixinc/fixincl.c(initialize): ditto
5679 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5681 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5682 (sdbout_parms): Likewise.
5684 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5686 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5687 "widen" a destination that is already wider than a word. Also do
5688 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5690 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5692 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5694 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5696 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5698 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5700 * i960.h (i960_maxbitalignment,
5701 i960_last_maxbitalignment): Declare.
5702 * i960.c (i960_maxbitalignment,
5703 i960_last_maxbitalignment): Make global.
5704 (process_pragma): Delete.
5705 (i960_pr_align, i960_pr_noalign): Move from here ...
5706 * i960-c.c: ... to this new file.
5707 * t-960bare (i960-c.o): New rule.
5708 * t-vxworks960 (i960-c.o): Likewise.
5709 * config.gcc (i960-*-*): Define c_target_objs and
5712 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5714 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5715 without adding in rtx code and mode.
5717 * alias.c (init_alias_analysis): Don't use any rtx whose value
5718 varies as a known value.
5719 Delete a superfluous test.
5721 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5723 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5724 scheduling a stop bit.
5725 (ia64_emit_nops): Correctly handle ASMs.
5727 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5729 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5731 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5733 * cpp.texi: Update documentation for -include and -imacros.
5734 * cppfiles.c (struct include_file): Remove "defined" memeber.
5735 (find_or_create_entry): Make a copy of the file name, and
5737 (open_file): Update to ensure we use the simplified filename.
5738 (stack_include_file): Don't set search_from.
5739 (cpp_included): Don't simplify the path name here.
5740 (find_include_file): New prototype. Call search_from to
5741 get the start of the "" include chain. Don't simplify the
5743 (_cpp_execute_include): New prototype. Move diagnostics to
5744 do_include_common. Update.
5745 (_cpp_pop_file_buffer): Don't set defined.
5746 (search_from): New prototype. Use the preprocessor's cwd
5747 for files included from the command line.
5748 (read_name_map): Don't simplify the pathname here.
5749 * cpphash.h (enum include_type): New.
5750 (struct buffer): Delete search from. New search_cached.
5751 (_cpp_execute_include): Update prototype.
5752 * cppinit.c (do_includes): Use _cpp_execute_include.
5753 * cpplib.c (do_include_common): New function.
5754 (do_include, do_include_next, do_import): Use it.
5756 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5758 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5759 contents of the RTL, to determine the name of the object.
5761 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5763 * tree.h (DECL_RTL): Allocate RTL lazily.
5764 (SET_DECL_RTL): New macro.
5765 (DECL_RTL_SET_P): Likewise.
5766 (COPY_DECL_RTL): Likewise.
5767 (DECL_RTL_IF_SET): Likewise.
5768 * varasm.c (make_decl_rtl): Add assertions about the kind of
5769 declaration we are processing.
5770 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5771 (start_decl): Likewise.
5772 (finish_decl): Likewise.
5773 * c-semantics.c (emit_local_var): Likewise.
5774 * calls.c (expand_call): Likewise.
5775 * dbxout.c (dbxout_symbol): Likewise.
5776 * emit-rtl.c (unshare_all_rtl): Likewise.
5777 (unshare_all_decls): Likewise.
5778 (reset_used_decls): Likewise.
5779 * expr.c (store_constructor): Likewise.
5780 (safe_from_p): Likewise.
5781 (expand_expr): Likewise.
5782 * function.c (put_var_into_stack): Likewise.
5783 (instantiate_decls_1): Likewise.
5784 (assign_parms): Likewise.
5785 (expand_function_start): Likewise.
5786 (expand_function_end): Likewise.
5787 * ggc-common.c (gcc_mark_trees): Likewise.
5788 * integrate.c (function_cannot_inline_p): Likewise.
5789 (copy_decl_for_inlining): Likewise.
5790 (expand_inline_function): Likewise.
5791 (integrate_parm_decls): Likewise.
5792 (integrate_decl_tree): Likewise.
5793 * print-tree.c (print_node): Likewise.
5794 * reg-stack.c (stack_result): Likewise.
5795 * stmt.c (label_rtx): Likewise.
5796 (expand_return): Likewise.
5797 (expand_decl): Likewise.
5798 (expand_decl_cleanup): Likewise.
5799 (expand_anon_union_decl): Likewise.
5800 * toplev.c (check_global_declarations): Likewise.
5801 (rest_of_decl_compilation): Likewise.
5802 * tree.c (simple_cst_equal): Likewise.
5803 * objc/objc-act.c (generate_static_references): Likewise.
5805 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5807 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5808 gcc_AC_C_FLOAT_FORMAT): New macros.
5809 * configure.in: Add AC_PROG_CPP after CC tests;
5810 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5811 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5812 * configure, config.in: Regenerate.
5814 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5815 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5816 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5817 config/i370/xm-linux.h, config/i370/xm-oe.h,
5818 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5819 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5820 config/pa/xm-linux.h, config/pa/xm-pa.h,
5821 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5822 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5823 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5824 config/we32k/xm-we32k.h: Delete.
5826 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5827 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5828 config/vax/xm-vms.h: Don't define any of:
5829 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5831 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5833 * config.gcc: Remove references to deleted files.
5834 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5835 FATAL_EXIT_CODE, which is the same between oe and mvs).
5837 2001-03-14 DJ Delorie <dj@redhat.com>
5838 Vladimir Makarov <vmakarov@redhat.com>
5840 * config/i960/i960.c (i960_function_prologue): Compute size of
5841 frame according to number of registers actually saved there.
5843 2001-03-14 Richard Henderson <rth@redhat.com>
5845 * expr.c (emit_move_insn_1): Fix else if around #endif.
5847 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5850 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5853 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5855 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5856 (override_options): Parse cmodel string.
5857 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5858 * i386.h (TARGET_OPTIONS): Add "cmodel".
5859 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5861 (ix86_cmodel_string, ix86_cmodel): Declare.
5863 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5866 * i386.h (GENERAL_REG_P): Add missing REG_P.
5868 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5870 * configure.in: Use $gcc_cv_as instead of $as.
5871 * configure: Regenerated.
5873 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5875 * cppfiles.c (stack_include_file): Only increase the include
5876 count if we actually process the file properly, as opposed
5877 to treating it as length zero. Only call read_include_file
5878 if not DO_NOT_REREAD. Handle the -H include file output
5880 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5881 (cpp_included, find_include_file): Simplify pathnames after
5882 remapping them. If remapping, don't use the remapped file
5883 name's buffer as our scratch buffer.
5884 (cpp_pop_file_buffer): Replace the multiple include macro
5885 only if it isn't yet set.
5886 (read_name_map): Simplify remapped names when reading in.
5887 (remap_filename): Move code to code path that uses it.
5888 (_cpp_simplify_pathname): Return the input pointer.
5889 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5891 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5893 * expr.c (expand_expr): Revove bogus conditional.
5895 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5897 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5899 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5901 * reg-stack.c (stack_result): Unconditionally use
5902 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5904 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5906 * expr.c (emit_move_insn_1): Split push of complex value when
5907 no suitable push instruction exist.
5909 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5910 instead of QI_REG_P.
5912 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5914 * alias.c (handled_component_p, can_address_p): New functions.
5915 (get_alias_set): Use them.
5917 2001-03-13 Jim Wilson <wilson@redhat.com>
5919 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5920 from 80 in try_locals code.
5921 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5923 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5925 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5926 gcc_AC_C_LONG_LONG): New.
5927 * configure.in: Use them. Probe the size of short, int, long,
5928 and long long/__int64 if we have them. Move all the AC_C_*
5929 checks together, except gcc_AC_C_CHAR_BIT which has to go
5930 after AC_CHECK_HEADERS(limits.h).
5931 Take hwint.h out of host_xm_file and build_xm_file.
5933 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5934 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5935 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5936 Move the HOST_WIDEST_INT setup logic here from system.h.
5937 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5939 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5940 is now handled by hwint.h.
5942 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5943 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5944 config/ia64/xm-ia64.h: Don't define any of:
5945 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5946 HOST_BITS_PER_LONGLONG.
5948 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5949 config/h8300/xm-h8300.h, config/mips/iris6.h,
5950 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5951 config/sparc/xm-sp64.h: Delete.
5952 * config.gcc: Remove references to deleted files.
5954 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5955 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5956 * config/i370/xm-linux.h: Clarify floating-point situation in
5959 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5961 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5962 (find_include_file): Decide here which part of the include
5963 chain to start the search. Complain about an empty include
5964 chain in all cases apart from an abolsute file name.
5965 (_cpp_execute_include): Don't choose the search chain here.
5966 Don't call handle_missing_include in the case of an empty
5968 (_cpp_compare_file_date): Don't choose the search chain here.
5969 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5970 here from _cpp_execute_include. Behave like #include if
5971 we're in the main file.
5973 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5975 * system.h (malloc, realloc, calloc, strdup): Only poison these
5976 tokens when IN_GCC is defined.
5978 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5980 * i386.md (abs?f expander): Support SSE case.
5981 (abd?f_if): Add new "USE"; add splitters.
5983 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5985 * cpp.texi (poison): Explain the macro expansion exception.
5987 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5989 * expr.c (store_expr): Add dont_store_target. If temp is already in
5990 target before copying to reg, don't store it into target again.
5992 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5994 * cppinternals.texi: Update for file handling.
5996 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5998 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5999 2001-02-24 which broke building the Java library.
6000 * function.c (identify_blocks): Likewise.
6001 (all_blocks): Likewise.
6002 * integrate.c (integrate_decl_tree): Likewise.
6003 * print-tree.c (print_node): Likewise.
6004 * tree.h (BLOCK_NUMBER): Likewise.
6005 (struct tree_block): Likewise.
6007 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6009 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6010 __WCHAR_TYPE__ definition.
6011 (WCHAR_TYPE_SIZE): #undef before #define.
6013 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6015 * cppfiles.c: Update comments.
6016 (destroy_include_file_node): Rename destroy_node.
6017 (find_or_create_entry): New function.
6018 (open_file, _cpp_fake_include): Use it.
6019 (handle_missing_header): New function, broken out of
6020 _cpp_execute include. Don't segfault if there is no
6021 system or quoted path.
6022 (_cpp_execute_include): Use handle_missing_header.
6024 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6026 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6027 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6029 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6031 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6032 unless anti_dependence says they are.
6033 * alias.c (objects_must_conflict): If neither has a type specified,
6036 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6037 David Billinghurst <David.Billinghurst@riotinto.com>
6039 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6041 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6043 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6044 (*_one_bit): Remove type on the match_operand in attributes.
6046 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6048 * i386.c: Commit forgotten hunk in previous patch.
6049 (regclass_map): Add extended registers.
6050 (dbx_register_map): Add missing frame register.
6052 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6054 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6056 * i386.md (x86_sahf_1): Disable for 64bit.
6057 (popsi*, pophi*): Likewise.
6058 (pushqi, pushhi): Likewise.
6059 (movdi, pushdi): Likewise.
6060 (zero extend DImode splitter): Likewise.
6061 (adddi, minusdi splitter): Likewise.
6062 (umulsidi): Likewise.
6064 (mulsidi): Disable for 64bit
6065 (lshift:DI/ashift:DI): Disable for 64bit.
6066 (loop patterns): Likewise.
6067 (call_pop, call_value_pop expanders and patterns): Likewise.
6068 (prologue_get_pc): Likewise.
6070 (fcmovDI pattern and splitter): Likewise.
6071 (movdfcc_1_rex64): New.
6073 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6075 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6076 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6077 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6078 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6079 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6080 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6081 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6082 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6083 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6084 (REGPARM_MAX): Set to 6 for x86_64.
6085 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6086 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6089 * (patterns that does use upper halves): Update constraints
6090 'q' to 'Q' and 'r' to 'R'.
6091 (cmpqi_ext_1): Disable for 64bit.
6092 (cmpqi_ext_3_insn): Likewise.
6093 (movqi_extzv_1): Likewsie.
6094 (addqi_ext_1): Liekwsie
6095 (testqi_ext_1): Liekwsie
6096 (andqi_ext_1): Liekwsie
6097 (xorqi_ext_1): Liekwsie
6098 (cmpqi_ext_1_rex64): New.
6099 (cmpqi_ext_3_insn_rex64): Likewise.
6100 (movqi_extzv_1_rex64): Likewsie.
6101 (addqi_ext_1_rex64): Liekwsie
6102 (testqi_ext_1_rex64): Liekwsie
6103 (andqi_ext_1_rex64): Liekwsie
6104 (xorqi_ext_1_rex64): Liekwsie
6106 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6108 * configure.in: Move check for unsigned enumerated bitfields
6109 to macro in aclocal.m4. Disable it for now.
6110 * configure, config.in: Regenerate.
6111 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6112 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6113 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6114 kind above its first use.
6116 * config/xm-interix.h, config/alpha/xm-alpha.h,
6117 config/i370/xm-linux.h, config/i386/xm-beos.h,
6118 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6119 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6120 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6121 Don't define ONLY_INT_FIELDS under any circumstances.
6123 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6125 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6126 config/sparc/xm-sysv4.h: Delete - now identical with some
6128 * config.gcc (hppa targets): Replace xm-pahpux.h and
6129 xm-papro.h with implicit xm-pa.h.
6130 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6133 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6135 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6136 before reload_cse_noop_set_p.
6138 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6140 * config.gcc: Where xm-host.h used to include another
6141 xm-host.h, list the nested header directly in xm_file. Remove
6142 references to deleted files. Can now use sparc/xm-sp64.h for
6145 * config/xm-linux.h, config/arm/xm-linux.h,
6146 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6147 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6148 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6149 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6150 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6153 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6154 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6155 bother to wrap #undef in #ifdef.
6156 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6157 Don't include xm-linux.h.
6158 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6160 * configure.in: Wrap regexps using [] in changequote block.
6161 Use expr : not echo | grep. Simplify regexps.
6162 * configure: Regenerate.
6164 56 xm-files remain, 22 xm-arch.
6166 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6168 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6169 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6170 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6171 (copy_object): Fix format specifier vs argument mismatch.
6173 * mips-tdump.c: Make local functions static.
6174 (rindex): Don't #undef.
6175 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6176 (fatal, fancy_abort): Delete.
6177 (read_seek): Avoid signed/unsigned compare.
6179 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6181 * combine.c (try_combine): Fix error in change to try original
6183 (gen_rtx_combine): Do same as gen_rtx for now.
6185 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6187 * configure.in: AC_SUBST xm_defines.
6188 * configure: Regenerate.
6189 * Makefile.in: Set DEFINES=$(xm_defines) when building
6192 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6194 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6195 (cpp_included, find_include_file): Update.
6196 (_cpp_compare_file_date): Make else unconditional.
6198 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6200 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6202 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6204 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6205 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6207 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6209 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6210 if it's a record type.
6212 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6214 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6215 mingw includes slightly.
6217 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6219 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6220 #undef token before poisoning it.
6222 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6224 * alpha.c (check_float_value): Use memcpy, not bcopy.
6226 * m32r.c (m32r_sched_reorder): Likewise.
6228 * vax.c (check_float_value): Likewise.
6230 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6232 * toplev.c (file_name_nondirectory): Remove.
6233 * toplev.h: Similarly.
6234 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6235 of file_name_nondirectory.
6237 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6239 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6240 * mips-tfile.c: Don't #undef rindex; not used.
6242 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6244 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6245 (dbx64_register_map): Declare.
6246 (RETURN_ADDR_RTX): Fix for 64bit.
6247 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6248 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6249 * i386.c (dbx64_register_map): New global array.
6250 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6251 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6254 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6256 * cppfiles.c (search_from): Use lbasename.
6257 * mkdeps.c (deps_add_default_target): Use lbasename.
6259 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6261 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6262 xcalloc in lieu of malloc, realloc & calloc.
6264 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6266 * gengenrtl.c (xmalloc): Likewise.
6268 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6269 really_call_* memory allocation routines.
6271 * stmt.c (check_for_full_enumeration_handling): Use
6272 really_call_calloc, not calloc.
6274 * system.h (really_call_malloc, really_call_calloc,
6275 really_call_realloc): Define.
6276 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6278 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6280 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6282 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6284 * configure: Rebuilt.
6285 * configure.in: Only use `lang_requires' for languages athat are
6288 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6290 * invoke.texi: Fix typo.
6291 * gcc.1: Regenerate.
6293 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6295 * configure.in: Prune nonexistent files from build_xm_file,
6296 xm_file, and host_xm_file lists. Warn unless they're
6298 Don't generate *config.h here.
6299 AC_SUBST all variables needed to generate *config.h.
6300 * configure: Regenerate.
6301 * mkconfig.sh: New helper script, from code removed from
6303 * Makefile.in: Zap all MALLOC variables - no longer used
6304 anywhere, and malloc.c doesn't exist.
6305 Substitute in variables needed to generate *config.h.
6306 Stop lying about the dependencies contained in CONFIG_H and
6308 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6309 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6310 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6311 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6312 $(TM_P_H), etc. as appropriate.
6314 * config.gcc: Zap references to deleted files.
6315 * ggc-none.c: Don't include rtl.h or tm_p.h.
6317 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6318 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6319 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6320 config/i386/xm-linux.h, config/i386/xm-linux.h,
6321 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6322 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6323 Don't include i386/xm-i386.h.
6325 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6326 config/i386/xm-i386.h, config/i860/xm-i860.h,
6327 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6328 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6329 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6330 Delete (empty except comments, #includes of other deleted
6331 files, and macros used nowhere).
6333 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6335 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6336 independent on TARGET_FLAGS.
6338 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6340 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6342 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6344 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6346 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6347 LAST_REX_SSE_REG): define.
6348 (enum reg_class): Add 'LEGACY_REGS'
6349 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6350 (SSE_REGNO_P): Recognize extended registers.
6351 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6352 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6353 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6354 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6355 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6356 REG_OK_FOR_STRREG_P): Remove.
6357 (HI_REGISTER_NAMES): Add extended registers.
6358 (ADDITIONAL_REGISTER_NAMES): Likewise.
6359 (QI_REGISTER_NAMES): Add 8bit extended registers.
6360 (DEBUG_REG): Support extended registers.
6361 * i386.c (regclass_map): Add extended registers.
6362 (dbx_register-map): Likewise.
6363 (svr4_dbx_register_map): Likewise.
6364 (print_reg): Support extended registers.
6365 (print_operand): Support 64bit operands.
6367 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6369 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6370 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6371 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6372 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6373 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6374 STACK_BOUNDARY): Set properly for 64bits.
6375 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6376 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6377 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6378 (MOVE_MAX): Set to 16.
6379 (MOVE_MAX_PIECES): 8 for 64bit.
6380 (Pmode): Set to SImode.
6382 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6384 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6386 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6388 * i386.h (mask_64bit): New constant.
6389 (target_64bit): New macro.
6390 (target_options): Add '64'/'32'
6391 (target_default): Define.
6392 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6393 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6394 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6396 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6398 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6400 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6402 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6403 LO_SUM unless for_alias is set.
6405 2001-03-08 Stan Shebs <shebs@apple.com>
6407 * objc/objc-act.c: Fix old typos in comments, add comments for
6409 (hash_init): Fix file name in error message.
6410 (hash_enter): Ditto.
6411 (hash_add_attr): Ditto.
6412 (continue_class): Ditto.
6414 2001-03-08 Bruce Korb <bkorb@gnu.org>
6416 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6417 wait4() can receive the signal.
6419 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6421 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6423 * fixinc/fixincl.x: Regenerate.
6425 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6427 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6429 * fixinc/fixincl.x: Regenerate.
6431 2001-03-08 Richard Henderson <rth@redhat.com>
6433 * configure.in (HAVE_AS_LEB128): New assembler check.
6434 * configure, config.in: Rebuilt.
6436 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6438 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6441 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6443 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6444 references to the MAXPATHLEN macro.
6446 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6447 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6450 * config/i386/xm-gnu.h, config/xm-gnu.h,
6451 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6452 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6453 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6454 and/or unused files.
6456 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6457 doing so in various xm-*.h files.
6459 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6461 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6463 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6465 * configure.in (enable_shared): Support per-package shared-library
6467 * configure: Rebuilt.
6469 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6471 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6472 for crnot. Set operands[5] in splitter.
6474 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6476 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6477 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6478 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6479 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6480 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6481 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6482 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6485 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6486 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6487 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6488 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6489 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6490 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6491 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6492 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6493 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6494 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6495 Delete unused and/or empty files.
6497 * config.gcc: Define USG in xm_defines as appropriate. Define
6498 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6499 macro. Remove deleted xm-* files from $xm_files variable.
6501 2001-03-07 Tom Tromey <tromey@redhat.com>
6503 * configure: Rebuilt.
6504 * configure.in: Allow config-lang.in to set `lang_requires' to list
6505 of other required languages.
6507 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6509 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6511 (output_prologue): Use xmalloc not oballoc.
6512 (output_epilog): Free a29k_first_epilogue_insn when finished.
6513 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6515 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6517 * builtins.c (expand_builtin_mathfn): Check
6518 flag_unsafe_math_optimizations, not flag_fast_math.
6519 (expand_builtin): Likewise
6520 * combine.c (combine_simplify_rtx): Likewise.
6521 (simplify_if_then_else): Likewise.
6522 * cse.c (fold_rtx): Likewise.
6523 * flags.h: Remove flag_fast_math. Add
6524 flag_unsafe_math_optimizations and flag_trapping_math.
6525 * fold-const.c (negate_expr): Check
6526 flag_unsafe_math_optimizations, not flag_fast_math.
6527 (invert_truthvalue): Likewise.
6528 (fold): Likewise. Before associating operands, check that
6529 code == MULT_EXPR, not code != MULT_EXPR.
6530 * ifcvt.c (noce_try_minmax): Check
6531 flag_unsafe_math_optimizations, not flag_fast_math.
6532 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6533 * invoke.texi: Document -funsafe-math-optimizations and
6534 -fno-trapping-math. Change documentation for -ffast-math.
6535 * jump.c (reversed_comparison_code_parts): Likewise.
6536 (rtx_equal_for_thread_p): Likewise.
6537 * optabs.c (emit_conditional_move): Likewise.
6538 * simplify-rtx.c (simplify_binary_operation): Likewise.
6539 (simplify_relational_operation): Likewise.
6540 (simplify_ternary_operation): Likewise.
6541 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6542 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6543 Add trapping-math and unsafe-math-optimizations entries to f_options.
6544 (set_fast_math_flags): New, sets flags for -ffast-math.
6545 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6546 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6547 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6549 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6550 (alpha_emit_conditional_move): Initialize local_fast_math to
6551 flag_unsafe_math_optimizations, not flat_fast_math.
6552 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6553 instead of setting flag_fast_math to 1.
6554 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6556 * config/i386/i386.c (override_options): Likewise
6557 * config/i386/i386.md: Likewise.
6558 * config/m68k/m68k.md: Likewise.
6559 * config/mips/mips.md: Likewise.
6560 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6561 (rs6000_generate_compare): Likewise.
6563 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6565 * Makefile.in: Set RANLIB to @RANLIB@.
6568 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6570 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6571 * fixinc/fixincl.x: Regenerated.
6573 2001-03-07 Richard Henderson <rth@redhat.com>
6575 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6577 2001-03-07 Richard Henderson <rth@redhat.com>
6579 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6580 of block notes and exception handling notes.
6582 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6583 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6584 (compile_file): ... here.
6586 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6588 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6590 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6591 config.h now. Include libiberty.h to handle alloca.
6593 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6595 * c-parse.in (yylexname): New function, split out of _yylex.
6596 (objc_rid_sans_at): New table.
6597 (init_reswords): Initialize it.
6598 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6599 retrieving the next token and checking it for significance as
6600 an ObjC keyword or string constant.
6602 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6603 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6605 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6608 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6610 * config/m68k/m68k.c (const_uint32_operand): Accept any
6611 const_int on a 32-bit host.
6613 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6615 * objc/objc-act.c (init_objc): Set save_lang_status,
6616 restore_lang_status, and mark_lang_status.
6618 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6620 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6622 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6624 * cppinternals.texi: Update.
6626 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6628 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6629 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6630 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6631 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6632 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6633 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6634 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6635 config/i386/xm-i386.h, config/i860/xm-i860.h,
6636 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6637 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6638 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6639 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6640 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6641 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6642 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6643 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6644 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6645 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6646 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6647 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6648 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6649 match the defaults provided in hwint.h.
6651 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6652 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6654 * config.gcc (xm_file): Don't set to files which are deleted.
6656 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6657 guard this file against these macros being undefined.
6659 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6661 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6662 and DECL_DEFER_OUTPUT on the decl we create, before calling
6663 rest_of_decl_compilation.
6665 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6667 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6669 * configure, config.in: Regenerate.
6670 * config.gcc: Remove references to deleted files.
6672 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6673 genrecog.c, rtl.c: Do not use alloca anywhere.
6675 * Makefile.in, build-make, system.h, config/x-interix,
6676 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6677 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6678 config/arc/xm-arc.h, config/arm/xm-arm.h,
6679 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6680 config/h8300/xm-h8300.h, config/i370/x-oe,
6681 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6682 config/i386/x-ncr3000, config/i386/x-sco5,
6683 config/i386/xm-dgux.h, config/i860/x-sysv4,
6684 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6685 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6686 config/m68k/x-hp320g, config/m69k/x-mot3300,
6687 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6688 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6689 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6690 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6691 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6692 config/mips/x-iris, config/mips/x-iris3,
6693 config/mips/x-sni-svr4, config/mips/x-sysv,
6694 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6695 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6696 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6697 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6698 config/pa/xm-papro.h, config/romp/xm-romp.h,
6699 config/rs6000/x-aix31, config/rs6000/x-aix41,
6700 config/rs6000/x-beos, config/rs6000/x-lynx,
6701 config/rs6000/x-mach, config/rs6000/x-rs6000,
6702 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6703 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6704 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6705 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6706 config/vax/xm-vms.h: Eradicate all references to alloca and
6709 * config/xm-alloca.h, config/clipper/x-clix,
6710 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6711 config/i860/x-sysv3, config/m88k/x-sysv3,
6712 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6713 (contained only alloca related hacks).
6715 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6718 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6720 * invoke.texi: Document __FAST_MATH__.
6722 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6724 * crtstuff.c: Restore include of auto-host.h.
6726 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6728 Put main() in a separate file, so that the language
6729 front-end can use a different main().
6732 * toplev.c: (main): Rename as toplev_main.
6733 * toplev.h: Declare toplev_main.
6734 * Makefile.in (OBJS): add toplev.o.
6735 (BACKEND): remove toplev.o, add main.o.
6737 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6739 * cppfiles.c (search_from): Special case the empty string.
6741 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6743 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6744 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6745 strlen or strcpy; we already know the length.
6746 (_cpp_compare_file_date): Similarly.
6747 * cpphash.h (struct cpp_reader): Delete done_initialising.
6748 (CPP_PREV_BUFFER): Delete.
6749 * cppinit.c (cpp_start_read): Don't set done_initialising.
6750 * cpplex.c (parse_string): Guarantee null-termination.
6751 (_cpp_equiv_toklists): Remove.
6752 * cpplib.c (glue_header_name): Null-terminate.
6753 (do_line): Don't leak memory.
6754 * cpplib.h (BT_WEAK): Delete.
6755 * cppmain.c (cb_ident): Strings are now null-terminated.
6757 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6759 * gcc.c (convert_filename): Append executable suffix
6760 if NO_AUTO_EXE_SUFFIX is not defined.
6761 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6762 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6764 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6766 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6767 * c-parse.gperf, c-gperf.h: Delete.
6768 (c-gperf.h was accidently re-added to the CVS repo in the rev
6769 1.16 commit by tromey)
6771 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6773 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6774 macro arguments when looking for the '('.
6775 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6776 2 when really parsing arguments; 1 when looking for '('.
6777 Always restore the lexer position.
6779 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6781 * longlong.h (umul_ppmm): Don't use a multiline string.
6783 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6785 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6786 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6787 t_bool in declaration because pcc can't combine volatile with typedef
6790 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6792 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6793 until when it is really needed.
6794 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6795 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6796 * i386.md (float?i?f splitter): Don't force source operand to memory
6798 (sse_movdfcc): Fix constraint.
6799 (sse_movdfcc splitter): Handle properly the second alternative.
6801 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6803 * cpplex.c (parse_string): Unconditionally pedwarn.
6805 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6808 * cppexp.c (parse_number): Update.
6809 * cpplex.c (parse_string): Pedwarn if multiline string does not
6810 result from a system header's macro.
6811 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6812 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6813 for function-like macros too.
6814 * c-lex.c (lex_number): Update.
6816 2001-03-03 Richard Henderson <rth@redhat.com>
6818 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6820 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6822 * combine.c (try_combine): If split with mode-changed scratch
6823 register didn't work, try the original mode.
6825 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6827 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6828 * config/c4x/c4x.h: Likewise.
6829 * stor-layout.c (compute_record_mode): Likewise.
6830 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6832 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6834 * configure.in: Kill tm.h. Include the files in the $tm_file
6835 list in all three of config.h, hconfig.h, tconfig.h, after the
6836 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6837 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6838 * configure: Regenerate.
6839 * Makefile.in (clean): Don't delete tm.h.
6841 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6842 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6843 those are not defined, set SEC and FEC to 0 and 1.
6844 * gcc.texi: Update to match.
6846 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6847 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6848 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6849 Include tconfig.h, not tm.h.
6851 * config/xm-lynx.h, config/xm-std32.h,
6852 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6853 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6854 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6855 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6856 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6857 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6858 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6859 config/i386/xm-i386.h, config/i860/xm-i860.h,
6860 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6861 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6862 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6863 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6864 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6865 config/pa/xm-linux.h, config/pa/xm-pa.h,
6866 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6867 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6868 config/pj/xm-pj.h, config/romp/xm-romp.h,
6869 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6870 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6871 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6872 config/v850/xm-v850.h, config/vax/xm-vax.h,
6873 config/we32k/xm-we32k.h:
6875 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6877 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6878 config/i370/xm-oe.h: Don't include tm.h. Don't define
6880 * config/vax/xm-vms.h: Don't include tm.h.
6882 * config/xm-lynx.h, config/avr/xm-avr.h,
6883 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6884 Delete; made empty by above changes.
6885 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6886 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6887 Don't include config/xm-lynx.h or tm.h.
6889 * config/xm-gnu.h: Don't include fcntl.h.
6890 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6892 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6894 2001-03-02 Richard Henderson <rth@redhat.com>
6896 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6897 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6899 2001-03-02 Richard Henderson <rth@redhat.com>
6901 * Makefile.in (OBJS): Add dwarf2asm.o.
6902 * dwarf2asm.c, dwarf2asm.h: New files.
6903 * dwarf2out.c (*): Use them.
6904 (size_of_uleb128, size_of_sleb128): Remove.
6905 (output_uleb128, output_sleb128): Remove.
6906 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6907 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6908 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6909 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6910 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6911 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6912 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6913 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6914 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6915 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6916 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6917 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6918 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6919 (dwarf2out_frame_debug): Remove unused variables.
6920 (output_loc_operands): Don't abort on 8 byte constants if
6921 host integers are wide enough.
6922 (output_symbolic_ref): Remove.
6923 (size_of_die): Don't assume 4 byte host integers.
6924 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6926 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6927 something stupid with HOST_WIDE_INT to long truncation.
6928 [CONST_DOUBLE]: Likewise.
6930 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6931 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6932 * config/arm/unknown-elf.h: Likewise.
6933 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6934 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6935 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6936 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6937 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6938 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6939 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6940 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6941 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6942 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6943 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6944 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6946 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6948 * cselib.c (hash_rtx): Cast enums to unsigned int.
6950 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6952 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6953 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6955 * c-format.c (C_STD_VER): Cast to int for comparisons.
6956 (check_function_format): Cast various enums to int for &.
6957 (maybe_read_dollar_number): Likewise.
6958 (check_format_info): Likewise.
6959 (check_format_info_main): Likewise.
6960 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6961 (safe_from_p): Likewise.
6962 * varasm.c (const_hash): Cast enum to int for %.
6963 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6964 pcc enum problems with < and ++ operators.
6965 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6966 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6967 (regclass_init): Change enum class to int to iterate over reg_classes.
6968 * genrecog.c (merge_trees): Cast enums for comparison.
6969 * rtl.h (GET_CODE): Cast to enum rtx_code.
6970 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6971 (GET_MODE): Cast to enum machine_mode.
6972 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6973 (GET_NOTE_INSN_NAME): Cast enum to int.
6974 * tree.h (TREE_CODE): Cast to enum tree_code.
6975 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6976 * timevar.c (timevar_print): Change loop variable id from enum to
6978 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6979 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6980 * toplev.c (compile_file): Cast enum DFI to int.
6981 (decode_d_option): Likewise.
6983 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6985 * cppinit.c (append_include_chain): Mark "after" include file name list
6986 as a system directory.
6987 * cpp.texi: Document new behavior.
6989 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6991 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6993 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6995 * cppfiles.c (struct include_file): Update.
6996 (stack_include_file): Use search_from.
6997 (cpp_included, find_include_file): Update.
6998 (cpp_execute_include): Update. ptr->name may not be
6999 null terminated. Use the new search_from member variable
7001 (_cpp_compare_file_date): Similarly.
7002 (search_from): New function, similiar to actual_directory.
7003 (actual_directory): Delete.
7004 (remap_filename): Update. loc->name may not be null terminated.
7005 (struct file_name_list): Rename search_path. Update.
7006 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7007 search_from and dir.
7008 (struct cpp_reader): Remove actual_dirs.
7009 * cppinit.c (struct cpp_pending): Update for renamed objects.
7010 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7011 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7012 * cpplib.h (struct cpp_options): Similarly.
7014 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7016 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7017 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7018 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7019 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7020 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7021 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7022 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7023 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7024 config/i370/xm-oe.h, config/i386/xm-aix.h,
7025 config/i386/xm-i386.h, config/i386/xm-osf.h,
7026 config/i860/xm-i860.h, config/i960/xm-i960.h,
7027 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7028 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7029 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7030 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7031 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7032 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7033 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7034 config/pj/xm-pj.h, config/romp/xm-romp.h,
7035 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7036 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7037 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7038 config/v850/xm-v850.h, config/vax/xm-vax.h,
7039 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7040 Do not define TRUE or FALSE.
7042 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7043 empty by above change.
7044 * config.gcc: Remove references to these files.
7046 * configure.in: Detect stdbool.h.
7047 * configure, config.in: Regenerate.
7048 * system.h: Include stddef.h here if available.
7049 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7050 Then set up a sensible boolean type at the very end.
7052 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7053 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7055 * hash.h: Delete 'boolean' typedef and related #undefs.
7057 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7058 all uses of 'boolean' with 'bool'.
7060 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7062 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7063 * cppexp.c (lex): Cast enums for comparison.
7064 * cppinit.c (parse_option): Cast enum for comparison.
7065 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7066 (cpp_output_token): Likewise.
7067 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7068 (cpp_avoid_paste): Cast enums for minus and comparison.
7070 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7072 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7073 field to all array elements.
7075 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7077 * cpphash.h (struct cpp_reader): Add print_version field.
7078 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7079 just set print_version and other flags as appropriate.
7080 (cpp_post_options): Print version here if print_version is set.
7082 * toplev.c (exit_after_options): New flag.
7083 (independent_decode_option): Don't exit here; just set
7085 (main): Exit after calling lang_hooks.post_options if
7086 exit_after_options is true.
7088 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7089 (merge_include_chains): Adjust comment to match code.
7091 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7093 * stringpool.c (set_identifier): New function.
7094 * tree.h: Prototype it.
7096 * c-parse.in: Kill D_YES. If compiled for objc, call
7097 save_and_forget_protocol_qualifiers from init_reswords.
7098 * objc/objc-act.c (remember_protocol_qualifiers,
7099 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7100 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7102 (save_and_forget_protocol_qualifiers): New function.
7103 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7105 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7107 * c-semantics.c (prune_unused_decls): Return error_mark_node
7108 instead of (tree) 1 to stop traversing the tree chain.
7110 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7112 Fix a problem introduced by Kenner's Feb 18 change.
7113 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7114 flag_cse_skip_blocks only temporarily, not for ever.
7116 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7118 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7119 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7121 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7122 before determining its register class.
7124 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7126 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7127 from reg 4 if current_function_calls_setjmp.
7128 (gen_nop_type): New function.
7129 (ia64_emit_nops): New function.
7130 (ia64_reorg): Call it.
7131 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7133 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7134 code not to try to optimize adds with anything but a REG destination.
7136 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7137 (INSN_PRIORITY_KNOWN): New accessor macro.
7138 * haifa-sched.c (priority): Use it instead of testing priority against
7141 2001-02-28 DJ Delorie <dj@redhat.com>
7143 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7144 since that doesn't work the way gcc wants on a generic m68k.
7146 2001-02-28 Richard Henderson <rth@redhat.com>
7148 * caller-save.c (save_call_clobbered_regs): Fix typo in
7149 comparison last change.
7151 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7153 * i386.c (pentium4_cost): New.
7154 (m_PENT4): New macro.
7155 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7156 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7157 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7158 x86_memory_mismatch_stall): Add Pentium4
7159 (x86_use_q_reg, x86_use_any_reg): Kill.
7160 (override_options): Add pentium4.
7161 (incdec_operand): Return 0 for pentium4.
7162 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7163 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7164 (TARGET_PENTIUM4): Define.
7165 (enum processor_type): Add PROCESSOR_PENTIUM4.
7166 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7167 * i386.md (attribute "cpu"): Add pentium4.
7168 * invoke.texi (march): Add pentium4.
7170 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7172 * i386.md (sse_mov?fcc*): New patterns and splitters.
7173 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7174 the SSE based conditional moves.
7176 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7178 * i386.md (attribute mode): Add "TI".
7179 (movsf_1): Add pxor support; remove constant propagation splitter.
7180 (movdf_integer): Likewise.
7181 (movdf_nointeger): Likewise.
7182 (movxf constant prop splitter): Handle all modes; update for SSE.
7183 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7184 * i386.c (standard_80387_constant_p): Rewrite.
7185 (standard_sse_constant_p): New.
7186 * i386-protos.h (standard_sse_constant_p): New.
7188 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7190 * i386.md (sse_setccsf, sse_setccdf): New.
7191 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7193 * i386.c (sse_comparison_operator): Accept the supported unordered
7194 comparses; be ready for fast_math.
7195 (print_operand): Support 'D'.
7197 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7199 * jump.c (reversed_comparison_code): Kill.
7201 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7203 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7206 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7208 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7209 add missing '%' in constraints.
7211 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7213 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7214 for HOST_BITS_PER_WIDE_INT == 32 too.
7216 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7218 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7220 (insert_save, insert_restore): New parameter save_mode.
7221 (init_caller_save): Update initialization of reg_save_code
7222 and reg_restore_code.
7223 (save_call_clobbered_regs): Compute save_modes and update calls to
7224 reg_save_code and reg_restore_code.
7225 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7226 of spill; update use of reg_restore_code.
7227 (insert_save): Likewise.
7228 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7229 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7230 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7232 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7234 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7235 noce_try_store_flag_inc, noce_try_store_flag_mask,
7236 noce_try_cmove_arith):
7237 Use reversed_comparison_code instead of reverse_comparison and
7238 can_reverse_comparison_p.
7240 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7242 * jump.c (reversed_comparison_code_parts): Allow reversal of
7243 unordered compares in -ffast-math mode; reverse ordered compares
7244 for FP even w/o -ffast-math.
7246 2001-02-27 Richard Henderson <rth@redhat.com>
7248 * print-rtl.c (print_rtx) [i]: Don't print field five on
7249 NOTEs other than NOTE_INSN_DELETED_LABEL.
7251 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7253 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7254 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7256 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7258 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7259 even if walk_subtrees is 0.
7260 * c-semantics.c (prune_unused_decls): Return a non-null value to
7261 stop traversing the tree chain.
7263 2001-02-27 DJ Delorie <dj@redhat.com>
7265 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7266 register, *then* define it as the new CFA.
7268 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7270 * pa.c (override_options): Promote -fpic to -fPIC.
7271 (legitimize_pic_address): Simplify due to removal of
7272 small PIC as a code generation option.
7273 (secondary_reload_class): Similarly.
7274 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7275 (PRINT_OPERAND_ADDRESS): Similarly.
7276 * pa.md (various patterns): Similarly.
7277 (small pic lo_sum pattern): Remove.
7279 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7282 * md.texi (min, max): Document
7284 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7286 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7287 TARGET_PARTIAL_REG_DEPENDENCY.
7288 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7290 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7292 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7294 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7296 * mips.c (mips_make_temp_file): Fix thinko in last change.
7298 2001-02-26 Jason Eckhardt <jle@redhat.com>
7300 * combine.c (known_cond): Do not reverse the condition when
7301 SMAX/UMAX is being considered and the condition is for equality
7304 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7306 2001-02-26 Philip Blundell <philb@gnu.org>
7308 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7310 * config/arm/linux-elf.h: Remove historical relics related to
7311 above configurations.
7312 * config/arm/linux-oldld.h: Delete.
7313 * config/arm/linux-elf26.h: Delete.
7315 2001-02-26 Jason Merrill <jason@redhat.com>
7317 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7319 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7320 recognize a tentative definition. Lose obsolete code.
7322 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7323 variables unless necessary, either.
7325 2001-02-25 Richard Henderson <rth@redhat.com>
7327 * ifcvt.c (struct noce_if_info): Add test_bb.
7328 (noce_get_alt_condition): New.
7329 (noce_try_minmax, noce_try_abs): New.
7330 (noce_operand_ok): New.
7331 (noce_process_if_block): Use them.
7332 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7334 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7336 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7339 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7341 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7342 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7344 (mips_asm_file_end): Free temp_filename here.
7346 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7348 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7349 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7351 * config/i386/i386.md (movstrsi): Handle FAIL case.
7353 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7355 * cppinit.c (builtin_array): Update.
7356 (init_builtins): Flag builtins to warn if redefined or
7357 undefined. Define __GXX_WEAK as a normal macro.
7358 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7359 * cpplib.h (NODE_WARN): New flag.
7360 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7361 Handle __STDC__ as a builtin only on Solaris.
7362 (warn_of_redefinition): Renamed from check_macro_definition.
7363 Reverse sense of test. Always warn if NODE_WARN.
7364 (_cpp_create_definition): Use warn_of_redefinition. Flag
7365 any macro beginning with "__STDC_" to require a mandatory
7366 warning if redefined or undefined.
7368 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7370 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7371 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7372 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7373 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7374 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7375 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7376 Don't define any of:
7377 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7378 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7379 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7380 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7381 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7383 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7384 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7387 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7388 Delete now-empty file.
7390 * alpha/vms.h: Define NEED_ATEXIT here...
7391 * alpha/xm-vms.h: ...not here.
7393 * i386/cygwin.h: Don't define PARAMS.
7394 * mips/mips.c: Don't prototype mktemp. Don't define
7395 P_tmpdir. Use make_temp_file to create temporary files.
7396 Don't be clever and delete temporary files early.
7397 * config.gcc: Drop references to deleted files. Don't define
7399 * gcc.texi: Don't mention USE_PROTOTYPES.
7401 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7403 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7404 (ix86_set_move_mem_attrs_1): Likewise.
7405 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7406 * config/i386/i386.md (movstrsi): Call it.
7408 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7410 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7411 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7412 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7413 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7415 (i750a-*-*): Error here if hosting on i750a.
7416 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7418 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7419 Remove (empty modulo comments).
7421 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7422 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7423 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7424 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7425 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7426 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7428 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7429 Remove reference to winnt.h in comment.
7430 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7432 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7434 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7435 used to set another biv.
7437 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7439 * tree.h (BLOCK_DEAD): New macro.
7440 (struct tree_block): New flag, dead_flag.
7441 * print-tree.c (print_node, case 'b'): Print missing fields.
7442 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7443 * function.c (identify_blocks): Enable test for misplaced notes.
7444 (all_blocks): Skip BLOCK_DEAD blocks.
7445 * integrate.c (integrate_decl_tree): Likewise.
7447 * errors.c (internal_error, trim_filename): New functions.
7448 (fancy_abort): Call internal_error.
7449 * errors.h (internal_error, trim_filename): New declarations.
7451 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7453 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7455 (EXTRA_CONSTRAINT): Formatting changes.
7457 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7459 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7461 2001-02-23 Per Bothner <per@bothner.com>
7463 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7464 so they can be called from java/jvspec.c.
7465 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7467 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7469 * i386.c (ix86_frame): New structure.
7470 (ix86_compute_frame_size): Kill.
7471 (ix86_compute_frame_layout): New.
7472 (ix86_save_reg): New.
7473 (ix86_can_use_return_insn_p): Use frame layout stuff.
7474 (ix86_expand_prologue): Likewise.
7475 (ix86_expand_epilogue): Likewise.
7476 (ix86_initial_elimination_offset): Likewise.
7477 (ix86_nsaved_regs): Use ix86_save_reg.
7478 (ix86_emit_save_regs): Likewise.
7480 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7482 * flow.c (find_sub_basic_blocks): New function.
7483 (split_block): Be ready for basic block introduced by CODE_LABEL.
7484 (commit_one_edge_insertion): Call find_sub_basic_block.
7486 * flow.c (make_edges): Add edge from entry for blocks starting with
7487 label having ALTERNATE_NAME
7489 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7491 * function.c (epilogue_done): Be ready for first basic block not
7492 containing PROLOGUE_END note.
7493 (reposition_prologue_and_epilogue_notes): Avoid placing
7494 PROLOGUE_END note between BASIC_BLOCK.
7496 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7498 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7500 2001-02-21 DJ Delorie <dj@redhat.com>
7502 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7503 check for current_function_has_nonlocal_goto from 1999-11-12.
7505 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7507 * diagnostic.c (trim_filename): No longer static.
7508 * toplev.h (trim_filename): Declare.
7509 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7510 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7511 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7512 (rtvec_check_failed_bounds): Likewise.
7513 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7515 * convert.c (convert_to_integer): Don't do unsigned unless result or
7516 both inputs are unsigned.
7518 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7521 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7523 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7525 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7527 * Makefile.in (resource.o): Add params.h dependence.
7528 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7529 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7530 * resource.c: Add dependence on params.h.
7531 (current_live_regs): Fix explanatory comment.
7532 (find_basic_block): Add new parameter to permit limiting search
7534 (mark_target_live_regs): Add new argument to find_basic_block call.
7535 (incr_ticks_for_insn): Likewise.
7537 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7539 * diagnostic.c (output_to_stream): Rename to
7540 output_buffer_to_stream. Loses the stream parameter.
7541 (init_output_buffer): Set diagnosic_buffer's stream.
7542 (flush_diagnostic_buffer): Adjust.
7543 (default_print_error_function): Likewise.
7544 (finish_diagnostic): Likewise.
7545 (verbatim): Likewise.
7547 * diagnostic.h (struct output_buffer): Add `stream' field.
7548 (output_buffer_attached_stream): New macro.
7550 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7552 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7553 check if either operand is divisible by C.
7554 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7555 If type is signed, consider negative numbers as well.
7557 2001-02-22 Richard Henderson <rth@redhat.com>
7559 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7560 reach .text instead of gp-relative relocs.
7561 * config/ia64/crtend.asm (.init): Likewise.
7563 2001-02-22 Andreas Jaeger <aj@suse.de>
7565 * extend.texi (C++ Attributes): Fix typo.
7567 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7569 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7570 functions, drop current_function_args_info.words test.
7571 (ia64_compute_frame_size): Mark syscall_linkage functions as
7572 using eight input registers.
7574 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7575 Bruce Korb <bkorb@gnu.org>
7577 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7578 * fixinc/README: Document how to convert sed substitutions
7579 to format style c_fix-es.
7580 * fixinc/fixincl.x: regen
7582 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7584 * gcc.c: Add comment explaining how to add a command-line option.
7585 Add title to specs language comment.
7587 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7589 * gcc.c (cc1_options): Add "-param".
7590 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7591 (option_map): Likewise.
7592 * toplev.c (display_help): Add entry for "--param".
7593 (independent_decode_option): Fix typographical error.
7595 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7596 Bernd Schmidt <bernds@redhat.com>
7597 Jan Hubicka <jh@suse.cz>
7599 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7600 (function_arg): Likewise.
7602 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7604 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7606 2001-02-21 Kazu Hirata <kazu@hxi.com>
7608 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7612 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7614 * flow.c (init_propagate_block_info): Canon address and use single_set
7615 for killing dead memory stores.
7617 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7619 * Makefile.in (reorg.o): Add params.h dependence.
7620 * params.def: Fix typographical error in comment.
7621 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7622 * params.h: Modify introductory comment.
7623 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7624 * reorg.c: Add dependence on params.h.
7625 (redundant_insn): Add parameterized throttle for search.
7626 (fill_simple_delay_slots): Add a comment explaining a variable.
7627 Move conditional out of loop, simplifying code.
7628 (fill_eager_delay_slots): Fix typographical error in comment.
7630 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7632 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7634 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7635 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7637 2001-02-21 Jason Merrill <jason@redhat.com>
7639 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7640 (struct tree_decl): Add uninlinable bitfield.
7641 * c-decl.c (duplicate_decls): Set it.
7642 * integrate.c (function_cannot_inline_p): Check it.
7644 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7645 DW_AT_MIPS_linkage_name to abstract methods.
7646 (dwarf2out_abstract_function): Emit class context before calling
7647 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7648 (gen_subprogram_die): Remove obsolete code.
7649 (gen_member_die): Don't include clones in the member list.
7650 (gen_decl_die): Emit abstract info for clone origin.
7651 * dwarfout.c (output_type): Don't include clones in the member list.
7652 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7653 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7654 DECL_ABSTRACT on a function that already has it set.
7656 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7657 (get_subprogram_die): Pass it in.
7659 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7661 * flow.c (mark_set_1): Make not_dead unsigned long. For
7662 non-pseudos, use it as a bitmask of the hard regs that
7665 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7667 * cppfiles.c: Update comments.
7668 (_cpp_read_file): Don't check for NULL filenames any more.
7669 * cppinit.c (cpp_start_read): Don't do canonicalization of
7670 in_fname and out_fname. Use the passed file name exclusively.
7671 (_cpp_handle_options): Don't treat "-" as a command line option,
7672 but as a normal filename.
7673 (_cpp_post_options): Canonicalize in_fname and out_fname.
7674 * cppmain.c (printer_init): Don't check out_fname for NULL.
7675 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7676 (init_c_lex): Update, and use "" to represent stdin to CPP.
7679 2001-02-20 Will Cohen <wcohen@redhat.com>
7681 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7682 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7683 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7686 2001-02-20 Stan Shebs <shebs@apple.com>
7688 * config/rs6000/rs6000.c (output_cbranch): Output branches
7689 on separate lines instead of using ';' to separate.
7691 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7693 * cppinit.c (set_lang): Move builtin handling to...
7694 (init_builtins): ...here.
7695 (_cpp_create_reader): Move call to set_lang.
7697 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7699 * stmt.c (expand_return): If an attempt is made to return the
7700 error_mar_node, treat the return like a return without a value.
7702 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7704 * sibcall.c (skip_copy_to_return_value): Call
7705 identify_call_return_value here, and return orig_insn if it
7706 returns zero. Hardret and softret arguments now unnecessary.
7707 (call_ends_block_p): Don't call identify_call_return_value here.
7709 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7711 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7712 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7714 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7716 * pa.c (move_operand): Accept code to load the address of a
7717 symbol out of the DLT as a valid move operand.
7718 (print_operand, case 'A'): New to handle generating a DLT
7719 reference for a LO_SUM expression.
7720 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7721 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7723 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7725 * README, cpp.texi, gcc.texi, version.c: Update version number to
7727 * cpp.1, gcov.1, gcc.1: Regenerate.
7729 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7731 * cppfiles.c (stack_include_file): Generate dependencies
7732 here, and manage include_count here too.
7733 (PRINT_THIS_DEP): Delete.
7734 (_cpp_execute_include): Do not generate dependencies here,
7735 apart from the case of a missing header. Do not manage
7737 (_cpp_read_file): Leave dependency generation to
7740 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7742 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7743 target_cpu_default. Remove dead assignment to
7746 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7748 * regclass.c (contains_reg_of_mode): Make global.
7749 (init_reg_sets): Remove contains_reg_of_mode; take into account
7750 CLASS_MAX_NREGS when looking for the proper mode.
7751 (dump_regclass): Dump only classes considered for the pseudo.
7752 (regclass): Use contains_reg_of_mode.
7754 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7756 * gcc.c (do_spec_1): 'n' for printing notices.
7757 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7759 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7761 * reg-stack.c (next_flags_user): Use current_block->end
7762 (swap_rtx_condition): Look for next user if flags don't die;
7763 give up on CALL_INSNs; use current_block->end.
7765 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7767 * sibcall.c (call_ends_block_p): New function.
7768 (optimize_sibling_and_tail_recursive_call): Use it.
7770 2001-02-18 Kazu Hirata <kazu@hxi.com>
7772 * config/h8300/h8300.md: Update copyright.
7773 (andsi3): Do not output an extra newline character.
7775 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7777 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7778 FNDECL may be unused.
7780 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7781 follow jumps after first run.
7782 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7783 it doesn't change any jumps.
7785 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7787 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7788 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7789 (mostlyclean): Corresponding changes.
7790 * rtlanal.c (hard-reg-set.h): Include.
7791 (rtx_unstable_p): Do not treat the argument pointer specially
7792 if it is not a fixed register.
7793 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7795 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7797 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7798 against last real insn in basic block.
7799 Rework to avoid gotos.
7801 * Makefile.in (gcse.o): Now includes ggc.h.
7802 * gcse.c: Include ggc.h.
7803 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7804 (try_replace_reg): Remove warning of uninitialize variable.
7805 (process_insert_insn): Call invalid_insn_p to validate insn.
7806 * recog.c (insn_invalid_p): Now global.
7807 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7808 * recog.h (insn_invalid_p): New declaration.
7810 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7812 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7813 assignments from FP constants since 'Y' output code can't handle it.
7814 (eligible_for_sibcall_delay): Likewise.
7816 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7817 Call fancy_abort directly, passing args.
7818 (print_rtl_and_abort): Now a macro, like fancy_abort.
7820 * final.c (output_operand_lossage): Use internal_error, not error.
7822 2001-02-18 Shane Nay <shane@agendacomputing.com>
7824 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7825 structure shift insns.
7827 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7829 * invoke.texi (-fsquangle): Remove documentation.
7830 (-fname-mangling-version): Likewise.
7832 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7834 * optabs.c (expand_abs): Remove reference to
7835 HAVE_contitional_arithmetic.
7836 * combine.c (simplify_set): Likewise.
7838 2001-02-18 Richard Henderson <rth@redhat.com>
7840 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7843 2001-02-18 Richard Henderson <rth@redhat.com>
7845 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7847 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7849 * reload1.c (reload_cse_simplify_set): Fix typo.
7851 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7853 * diagnostic.c (_fatal_insn): Decrement errorcount.
7855 * invoke.texi (-I): Add note avoiding use for system header files.
7857 * rtl.h (add_clobbers): Remove duplicate declaration.
7858 * recog.h (added_clobbers_hard_reg_p): New declaration.
7859 * genemit.c (struct clobber_pat): New field has_hard_reg.
7860 (gen_insn): Record if added clobbers clobber hard reg.
7861 (gen_split): Avoid unused warning if number of operands is 0.
7862 (output_added_clobbers_hard_reg_p): New function.
7865 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7867 * pa.c (hppa_expand_prologue): Simplify code storing return
7868 pointer. For large (>=8k) frames with a post_store, adjust stack
7869 pointer by 8k-64 first rather than by 64. When testing with
7870 VAL_14_BITS_P, always use the actual value rather than the value
7871 negated. Add blockage to prevent scheduling of spills before
7872 stack frame has been created.
7873 (hppa_expand_epilogue): Simplify code loading return pointer.
7874 Allow a slightly larger range for merge_sp_adjust_with_load case.
7875 When testing with VAL_14_BITS_P, always use the actual value.
7877 * pa.c (pa_adjust_insn_length): Check that block move
7878 pattern is a set before looking at operands.
7880 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7882 * fold-const.c (fold_binary_op_with_conditional_arg): New
7883 function, split out from ...
7885 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7886 conditional arms that throw exceptions.
7888 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7891 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7893 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7894 define HAVE_DECL_* to 1 to mask potential backup declarations.
7895 * configure: Regenerated.
7897 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7899 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7901 2001-02-17 Richard Henderson <rth@redhat.com>
7903 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7904 when replacing a memory load with a register.
7906 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7907 Jan Hubicka <jh@suse.cz>
7909 * recog.c (validate_replace_src_1): New.
7910 (validate_replace_src_data): Likewise.
7911 (validate_replace_src): Use note_uses.
7912 * rtl.h (note_uses): Declare.
7913 * rtlanal.c (note_uses): New.
7915 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7917 * reg-stack.c (stack_def): Make field reg unsigned.
7918 (remove_regno_note): Unsignetize parameter.
7920 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7922 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7923 shladd_operand() call.
7925 2001-02-16 Bruce Korb <bkorb@gnu.org>
7926 Rodney Brown <RodneyBrown@mynd.com>
7928 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7929 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7930 machine restrictions
7931 * fixinc/fixincl.x: regen
7933 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7935 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7937 (hash_scan_insn): Clean up calls to hash_scan_set.
7938 (compute_kill_rd): REGNO now unsigned.
7939 (try_replace_reg): Rework to use simplify_replace_rtx.
7940 (cprop_jump, cprop_cc0_jump): Likewise.
7941 (cprop_insn): Call find_reg_equal_equiv_note.
7942 Reflect changes to cprop_jump and cprop_cc0_jump.
7944 * recog.c (validate_replace_src): Replace in operands of
7945 ZERO_EXTRACT in SET_DEST.
7947 * cse.c (new_label_ref): New variable.
7948 (insert): Set it instead of recorded_label_ref.
7949 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7950 CODE_LABEL for this function, and not already in REG_LABEL note.
7952 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7954 * resource.c (mark_referenced_resources): Fix typo in introductory
7956 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7959 2001-02-16 Jason Merrill <jason@redhat.com>
7961 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7963 (gen_subprogram_die): Don't abort on seeing a second definition if
7964 the previous one was abstract. Don't replace an abstract instance
7965 in the lookup table.
7967 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7968 gen_abstract_function.
7969 * dwarf2out.h: Declare it.
7970 * toplev.c (note_outlining_of_inline_function): New fn.
7971 * toplev.h: Declare it.
7972 * integrate.c (output_inline_function): Call it.
7973 * c-decl.c (duplicate_decls): Call it when redefining an extern
7974 inline. Don't inline the new defn.
7976 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7978 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7980 * .gdbinit: Rename to gdbinit.in.
7981 * gdbinit.in: New file,
7982 * configure.in: Generate .gdbinit from gdbinit.in.
7983 * configure: Regenerated.
7984 * Makefile.in (distclean): Always remove .gdbinit.
7986 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7988 * objc/objc-act.c (start_class): Register implemented_classes with
7991 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7993 * cppfiles.c (_cpp_make_system_header): Generate a file
7996 2001-02-15 Jim Meyering <meyering@lucent.com>
7998 * Makefile.in (install-common): Don't depend on installdirs here.
7999 Instead, make each of the lang.install-common targets (e.g.,
8000 c++.install-common in cp/Make-lang.in) depend on it.
8001 (install-driver): Depend on installdirs.
8003 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8005 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8007 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8010 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8012 * invoke.texi (--param): Document.
8014 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8016 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8018 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8020 * i386.md (extendsfdf2_2): Fix constraints.
8022 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8024 * i386.md (fop_df_3 splitter): Fix operand number.
8026 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8028 * invoke.texi (-mreg-alloc): Nuke.
8029 * i386.c (ix86_reg_alloc_order, regs_allocated,
8030 order_regs_for_local_alloc): Nuke.
8031 (override_options): Kill reg_alloc code.
8032 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8033 (REG_ALLOC_ORDER): SSE goes before I387.
8034 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8035 (ix86_reg_alloc_order): Likewise.
8036 * i386-protos.h (ix86_reg_alloc_order): Kill.
8038 2001-02-14 Richard Henderson <rth@redhat.com>
8040 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8042 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8044 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8046 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8048 * i386-protos.h (ix86_memory_move_cost): Move offline.
8049 * i386.c (ix86_register_move_cost): Compute properly cost of
8050 SSE, MMX and i387 instructions.
8051 (*_cost): Add costs of SSE/MMX moves.
8052 (ix86_memory_move_cost): Move offline from ....; Likewise.
8053 * i386.h (MEMORY_MOVE_COST): .... here;
8054 (struct processor costs): Add new fields to represent costs
8057 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8059 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8060 move_cost together with Matt Kraai's fix.
8062 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8064 * Makefile.in (OBJS): Add params.o.
8066 2001-02-14 Richard Henderson <rth@redhat.com>
8067 DJ Delorie <dj@redhat.com>
8069 * jump.c (jump_optimize_1): When we delete a conditional jump
8070 preceeding a non-conditional jump to effectively the same place,
8071 make sure that the combined jump skips any clobber insns between
8074 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8076 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8078 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8080 * Makefile.in (toplev.o): Depend on params.h.
8081 (intergate.o): Likewise.
8082 (params.o): New target.
8083 * flags.h (inline_max_insns): Remove.
8084 * integrate.c: Include params.h.
8085 Use MAX_INLINE_INSNS instead of inline_max_insns.
8086 * params.c: New file.
8087 * params.h: Likewise.
8088 * params.def: Likewise.
8089 * toplev.c: Include params.h.
8090 (lang_independent_params): New variable.
8091 (decode_f_option): Use the param machinery instead of setting
8093 (independent_decode_option): Handle "--param name=value".
8094 (main): Register language-independent parameters.
8096 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8098 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8100 2001-02-14 Richard Henderson <rth@redhat.com>
8102 * regclass.c (init_reg_sets_1): Revert last two changes.
8104 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8106 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8107 (variable_size): Call put_pending_size.
8108 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8109 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8110 sizes list, put newly created SAVE_EXPR there as well.
8112 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8114 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8115 (errata_find_address_regs): load_group has only 2 entries.
8116 (errata_emit_nops): Likewise. shladd is not problematic.
8117 Clear last_group if nop was emitted.
8118 (fixup_errata): load_group has only 2 entries.
8121 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8123 * c-lex.c (lex_number): Only warn traditionally for U suffix
8124 outside system macros.
8125 * cppexp.c (parse_number): Similarly.
8126 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8127 * cppmacro.c (struct cpp_macro): New member node.
8128 (parse_args): Only warn about missing rest args if not
8130 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8131 (cpp_sys_objmacro_p): New.
8132 (_cpp_create_definition): Store the node with the macro defn.
8133 Remember if the macro is defined in a system header.
8135 2001-02-13 DJ Delorie <dj@redhat.com>
8137 * configure.in (check_languages): determine languages to check
8138 * Makefile.in (check-c++): alias for check-g++
8139 (check-f77): alias for check-g77
8140 (CHECK_TARGETS): depend on configured languages
8142 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8144 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8145 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8146 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8147 (sqrtextendsfdf2): Disable for SSE2.
8149 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8151 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8152 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8153 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8154 (sqrtextendsfdf2): Disable for SSE2.
8156 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8158 * i386.md (movsfcc_1): Support integer cmove instruction.
8159 (movdfcc_1): Likewise; new splitter.
8161 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8163 * i386.c (output_fp_compare): Support SSE.
8164 (prepare_fp_compare_args): SSE comparisons always support memory.
8165 * i386.h (TARGET_CMOVE): SSE imply cmove.
8166 * i386.md (cmp?f2): Enable for SSE too.
8167 (cmpfp_i*): Support SSE.
8169 (cmpfp_i_sse_only): New.
8170 (s*, b* fp expanters): Enable for SSE too.
8171 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8174 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8176 * regclass.c (init_reg_sets_1): Silence warning.
8178 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8180 * i386.md (sqrt?f2): Change to expander.
8181 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8183 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8185 * rtlanal.c (find_reg_equal_equiv_note): New function.
8186 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8187 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8188 * rtl.h: Add declarations for above functions.
8190 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8192 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8194 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8195 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8196 * flow.c (mark_regs_live_at_end): Likewise.
8197 (calculate_global_regs_live): Likewise.
8198 * gcse.c (compute_hash_table): Likewise.
8199 (compute_kill_rd): Likewise.
8200 * resource.c (mark_target_live_regs): Likewise.
8201 * rtl.h (INVALID_REGNUM): New macro.
8203 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8205 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8207 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8209 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8212 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8214 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8216 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8217 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8218 (fop_sf_1_sse, fop_df_1_sse): New patterns
8219 (fop_*): Disable float_extend and float patterns for SSE compilation.
8220 * i386.c (output_387_binary_op): Support SSE.
8222 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8224 * i386.md (dummy_extendsfdf2): Support SSE2
8225 (extendsfdf2): Enable if 80387 or SSE2.
8226 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8227 and no MIX_I387_SSE2
8228 (extendsfdf2_1_sse_only): New pattern.
8229 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8231 (truncdfsf2_1): Support SSE.
8232 (truncdfsf2_2): Support SSE.
8233 (truncdfsf2_2_1_sse): New pattern.
8234 (fixtruncsfsi2): Always use SSE if available.
8235 (fix_truncsfsi_sse): New pattern.
8236 (fix_truncdfsi_sse): New pattern.
8237 (floatsis?f2): Support SSE.
8238 (floatsidf2_i387): New pattern.
8239 (floatsidf2_sse): Likewise.
8241 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8243 * configure.in: Use "have_gnat" variable, not "gnat".
8244 * configure: Regenerated.
8246 * config/sparc/sparc.c (function_value): Treat all non-record
8247 aggregate types like used to treat UNION_TYPE.
8249 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8251 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8252 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8254 (MASK_MIX_SSE_I387): New.
8255 (TARGET_SSE): SSE2 imply SSE.
8256 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8257 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8258 (enum reg_class): Add new classes.
8259 (REG_CLASS_NAMES): Likewise.
8260 (REG_CLASS_CONTENTS): Likewise.
8261 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8262 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8263 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8264 (CLASS_MAX_NREGS): Use new macros.
8265 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8266 * i386.md (pushsf, movsf): Support SSE.
8267 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8268 splitters to use ANY_FP_REGNO_P.
8269 (movdf_nointeger, movdf_integer): Likewise.
8271 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8273 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8274 (try_combine): Use it.
8276 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8278 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8279 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8280 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8281 (REGISTER_MOVE_COST): Likewise.
8282 * i386-protos.h (ix86_secondary_memory_needed,
8283 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8284 * i386.c (ix86_secondary_memory_needed,
8285 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8287 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8289 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8290 (HARD_REGNO_MODE_OK): Move offline to ....
8291 * i386.c (ix86_hard_regno_mode_ok) ... here;
8292 refuse all incorrect modes.
8293 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8295 2001-02-13 Richard Henderson <rth@redhat.com>
8297 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8298 entire operator; replicate that and match_dup the operands.
8299 (cmp_ccx_arith_op_set): Likewise.
8300 (cmp_cc_arith_op_not_set): Likewise.
8301 (cmp_ccx_arith_op_not_set): Likewise.
8303 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8305 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8307 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8309 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8310 (TARGET_NO_BITFIELD_WORD): New macro.
8311 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8312 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8314 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8316 * cselib.c: New file, from simplify-rtx.c.
8317 * simplify-rtx.c: Remove cselib parts.
8318 * Makefile.in: Add cselib.o.
8320 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8322 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8323 (setup_incoming_varargs): Remove warning.
8325 * config/rs6000/rs6000.c (validate_condition_mode): When
8326 flag_fast_math, allow floating-point conditionals to be reversed.
8327 (rs6000_generate_compare): When flag_fast_math, don't generate
8328 cror operations for FP conditionals.
8330 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8332 (ASM_SPEC): Likewise.
8333 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8334 (CC1_SPEC): Likewise.
8335 (LINK_TARGET_SPEC): Likewise.
8336 (CPP_ENDIAN_SPEC): Likewise.
8337 * Makefile.in (check-consistency): New target.
8339 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8341 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8342 "return type defaults" warning for functions with return type
8344 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8345 function declarations by default rather than only when pedantic.
8347 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8349 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8352 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8354 * extend.texi (Deprecated): Deprecate new initializer lists.
8356 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8358 * mkdeps.c (deps_add_default_target): Robustify. Add
8359 basename component only.
8360 * cpp.texi (-M): Describe how default target is generated.
8361 * invoke.texi (-M): Likewise.
8363 2001-02-12 Kazu Hirata <kazu@hxi.com>
8365 * toplev.c (push_float_handler): Remove.
8366 (pop_float_handler): Remove.
8367 * toplev.h: Remove prototypes for the above functions.
8369 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8371 * c-common.c (constant_fits_type_p): New function.
8372 (convert_and_check): Use it.
8374 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8376 * Makefile.in (GXX_ABI_FLAG): Don't define.
8377 * configure.in (--enable-new-gxx-abi): Remove option.
8378 * config.in: Regenerated.
8379 * configure: Likewise.
8381 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8383 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8385 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8386 regular basic block, and arrange for all edges into it to switch
8389 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8391 * Makefile.in (distclean): Do not remove .gdbinit.
8393 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8395 * Makefile.in (gcc.o): Fix typos.
8396 (protize.o): Likewise.
8397 (unprotoize.o): Likewise.
8399 2001-02-11 Richard Henderson <rth@redhat.com>
8401 * tree.c (build1): Check for null operand in last change.
8403 2001-02-11 Richard Henderson <rth@redhat.com>
8405 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8406 (fold): Don't assume a constant isn't foldable.
8407 * tree.c (build): Set TREE_CONSTANT for an expression with no
8408 side-effects and constant operands.
8411 2001-02-10 Richard Henderson <rth@redhat.com>
8413 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8415 2001-02-10 Anthony Green <green@redhat.com>
8417 * cpp.texi (Standard Predefined): Add documentation for
8420 * c-common.c (combine_strings): Improve warning message.
8422 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8424 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8426 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8428 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8430 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8433 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8435 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8438 2001-02-09 Nick Clifton <nickc@redhat.com>
8440 * config/arm/arm.md: Change output contraint on post inc
8441 load/store multiple patterns to be a read/write contraint.
8443 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8445 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8446 .o files when using the -M options.
8448 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8449 David Edelsohn <edelsohn@gnu.org>
8451 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8452 handle DImode constants. Use one TOC entry for SImode and smaller
8453 constants, aligned properly.
8455 2001-02-08 Jason Merrill <jason@redhat.com>
8457 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8458 about the SP adjustment for saving the static chain pointer.
8459 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8460 offset when setting a temporary CFA register.
8462 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8464 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8465 powerpc-*-chorusos* .
8466 * config/rs6000/chorus.h : New file.
8467 * config/i386/chorus.h : New file.
8468 * config/sparc/chorus.h : New file.
8469 * config/sparc/t-chorus-elf : New file.
8471 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8473 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8474 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8475 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8476 (__WCHAR_TYPE__): Correct macro name.
8478 2001-02-08 Richard Henderson <rth@redhat.com>
8480 * config/i386/i386.c (ix86_frame_pointer_required): New.
8481 (ix86_setup_frame_addresses): New.
8482 (struct machine_funciton): Add accesses_prev_frame.
8483 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8484 ix86_frame_pointer_required.
8485 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8486 (SETUP_FRAME_ADDRESSES): New.
8487 * config/i386/i386-protos.h: Update.
8488 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8489 from FRAME_POINTER_REQUIRED.
8490 * config/i386/svr3gas.h: Likewise.
8491 * config/i386/sysv3.h: Likewise.
8492 * config/i386/v3gas.h: Likewise.
8494 2001-02-08 Richard Henderson <rth@redhat.com>
8496 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8497 calculation of the number of integer registers required.
8498 (function_arg_record_value): Likewise.
8500 2001-02-08 Jason Merrill <jason@redhat.com>
8502 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8503 two. Print file and line with "confused" message.
8505 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8507 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8509 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8511 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8513 * final.c (cleanup_subreg_operands): The address of a MEM can
8516 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8519 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8521 * gcc.texi (Incompatibilities): Update documentation of
8522 preprocessing numbers.
8524 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8526 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8528 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8530 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8532 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8533 * gcc.c (struct compiler): Add cpp_spec field.
8534 (input_file_compiler): New variable.
8535 (do_spec_1): Allow a particular compiler to handle `%C'
8537 (main): Store the current compiler in input_file_compiler.
8538 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8540 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8542 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8543 * cppinit.c (cpp_create_reader): Initialize them.
8544 (append_include_chain): cxx_aware arg might be unused.
8545 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8546 keywords and give them their phase 7 meaning. Pedwarn about
8547 this unless '__bool_true_false_are_defined' is defined.
8549 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8551 * lcm.c (optimize_mode_switching): Emit mode_set before the
8552 JUMP_INSN of an abnormal edge.
8554 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8556 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8557 a scheduling barrier at the end.
8559 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8561 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8563 * config/sh/sh.md (reload_outsf): Removed.
8564 (movsf_ie): Introduce constraints for FPUL loads and stores.
8565 (reload_insf): Broaden the output constraint.
8567 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8569 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8570 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8572 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8574 * final.c: Revert my previous changes.
8575 * output.h: Make profile_label_no extern.
8576 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8577 for generating label.
8579 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8581 * config/i386/djgpp.h: Add comments about standard paths.
8582 (MD_EXEC_PREFIX): Undefine before defining.
8583 (MD_STARTFILE_PREFIX): New.
8585 2001-01-30 Bruce Korb <bkorb@gnu.org>
8587 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8588 (load_file): do not rely on load_file_data() to close file pointer
8589 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8590 fixinc/inclhack.def(irix_limits_const): add test_text
8592 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8594 * cppexp.c (parse_defined): Improve diagnostics for invalid
8597 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8599 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8601 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8603 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8604 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8605 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8606 (rs6000_output_symbol_ref): New function.
8607 (output_toc): Use VTABLE_NAME_P.
8609 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8611 * print-tree.c (print_node, case PARM_DECL):
8612 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8614 * stor-layout.c (reference_types_internal): New variable.
8615 (internal_reference_types): New function.
8616 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8617 * tree.h (internal_reference_types): New declaration.
8619 * cse.c (find_best_addr): Fix typo in computing cost.
8621 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8623 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8624 and this is the sum of a pointer and a constant, we know the result
8626 (num_sign_bit_copies, case PLUS): Likewise.
8627 * explow.c (convert_memory_address): Remove opposite SUBREG.
8628 * function.c (instantiate_new_reg): New function (from common code).
8629 (instantiate_virtual_regs_1): Call it.
8630 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8631 if pointers sign- or zero-extend.
8632 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8633 If pointers extend unsigned, use inside of SUBREG.
8634 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8636 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8638 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8639 subdir of gcc_gxx_include_dir.
8640 (gcc_gxx_target_include_dir): Remove.
8642 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8644 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8645 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8646 a high-level description.
8648 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8650 * final.c: Move the declaration of profile_label_no to ...
8651 * output.h: ... here.
8652 * function.c (expand_function_start): Call PROFILE_HOOK.
8653 * config/rs6000/aix.h: Define PROFILE_HOOK.
8654 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8655 * config/rs6000/rs6000.c (output_profile_hook): Define.
8656 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8657 output_profile_hook.
8658 tm.texi : Explain new macro PROFILE_HOOK.
8660 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8662 * extend.texi (Extended Asm): Do not say that semicolon is always
8663 a valid line-breaking character for GNU assemblers. Use
8664 newline-tab as the most commonly supported syntax. Use
8665 newline-tab rather than semicolon in multi-insn examples.
8667 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8669 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8671 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8672 David Edelsohn <edelsohn@gnu.org>
8674 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8675 code for AIX, even without flag_pic.
8677 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8679 * c-typeck.c (common_type): push and pop binding level around
8680 calling common_type on function parameters.
8682 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8684 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8686 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8688 * config/mips/mips.c (override_options): Fix typo in last change.
8689 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8690 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8692 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8694 * invoke.texi (-fdump-class-layout): Document.
8695 (-fdump-translation-unit): Use `=' as filename separator.
8697 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8699 * Makefile.in (s-mlib): Don't build multilibs if
8701 (DRIVER_DEFINES): Adjust accordingly.
8703 (protoize.o): Likewise.
8704 (unprotoize.o): Likewise.
8705 * configure.in: Recognize --enable-multilib.
8707 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8709 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8711 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8712 * configure.in: Remove --enable-libstdcxx_v3 support.
8713 * configure: Regenerated.
8715 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8717 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8718 Call abort instead of fatal.
8719 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8720 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8721 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8722 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8723 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8724 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8726 * diagnostic.h (set_internal_error_function): Renamed.
8727 * toplev.h (internal_error): Renamed from fatal.
8728 (pfatal_with_name): Deleted.
8729 (fatal_io_error): Now has printf-style arguments.
8730 * diagnostic.c (pfatal_with_name): Deleted.
8731 (fatal_io_error): Rework to have args in printf-style.
8732 (set_internal_error_function): Renamed from set_fatal_function.
8733 (internal_error): Renamed from fatal.
8734 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8735 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8736 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8737 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8738 * flow.c (verify_flow_info): Likewise.
8739 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8740 * config/mips/mips.c (save_restore_insns): Likewise.
8742 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8743 * flow.c (verify_flow_info): Likewise.
8744 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8745 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8746 (avr_normalize_condition): Likewise.
8747 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8748 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8749 (limit_reload_class, double_reg_to_memory): Likewise.
8750 (print_operand_address, emit_1600_code_shift): Likewise.
8751 (gen_tst_reg, gen_compare_reg): Likewise.
8752 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8753 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8755 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8757 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8758 * objc/objc-act.c (build_ivar_chain): Likewise.
8759 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8761 * graph.c (clean_graph_dump_file): Likewise.
8762 * profile.c (init_branch_prob): Likewise.
8763 * objc/objc-act.c (objc_init): Likewise.
8765 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8766 * config/avr/avr.c (avr_override_options): Likewise.
8767 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8768 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8769 * config/h8300/h8300.c (h8300_init_once): Likewise.
8770 * config/mips/mips.c (override_options): Likewise.
8771 * config/i386/i386.c (override_options): Likewise, rework.
8772 * config/m68k/m68k.c (override_options): Likewise.
8774 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8776 * config/mips/mips.c (print_operand): Likewise.
8777 * hash.c (hash_allocate): Don't check for failure returns from
8778 obstack functions that can't fail.
8779 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8780 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8781 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8782 (get_object_reference): Likewise.
8784 2001-02-04 Nick Clifton <nickc@redhat.com>
8786 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8787 StrongARM1110, 10TDMI, and 1020T.
8789 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8791 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8793 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8795 * config/sh/sh.md (movdf load split): Pass register number to
8796 FP_OR_XD_REGISTER_P.
8798 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8800 * cppinit.c (BC): New macro.
8801 (builtin_array): Add __GXX_WEAK__.
8802 * cpplib.h (builtin_type): Add BT_WEAK.
8803 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8804 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8805 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8807 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8809 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8811 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8813 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8814 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8816 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8818 * cpphash.h: Rename ALIGN _ALIGN.
8819 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8821 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8823 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8824 compilation environment.
8825 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8826 control over location of cygwin includes and libs.
8828 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8830 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8832 2001-02-02 lars brinkhoff <lars@nocrew.org>
8834 * md.texi (Standard Names): remove reference to spur.md.
8836 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8838 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8839 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8840 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8841 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8842 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8844 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8846 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8847 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8848 number before reload.
8849 (c4x_adjust_cost): Return zero before reload.
8850 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8851 split before reload.
8853 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8855 * c4x.c (c4x_hard_regno_rename_ok): New.
8856 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8857 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8859 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8861 * diagnostic.h: Add missing "extern" in all declarations.
8863 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8865 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8866 as for gcc_gxx_include_dir.
8868 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8870 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8872 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8874 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8875 label before alignment to be used as the braf base address.
8876 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8878 (casesi_jump_2): Require at least TARGET_SH2.
8880 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8881 truncation to 32-bit doubles on -m3e and -m4-single-only.
8883 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8885 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8886 the default when building a shared object.
8887 (init_spec): Use it.
8888 * testsuite/lib/g++.exp: Include the directory where libgcc
8889 is located to the LD_LIBRARY_PATH list.
8890 * invoke.texi (-shared-libgcc): Document the cases in which
8891 GCC defaults to using the shared libgcc.
8893 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8895 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8896 unsigned is wide enough.
8898 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8899 (si_to_float): Likewise.
8900 (float_to_si, float_to_usi): Use BITS_PER_SI.
8902 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8904 * dwarf2out.c: Added explanation of abbreviations.
8905 (def_cfa_1): Added comments listing DWARF2 instructions.
8906 (cfa_temp_reg): Removed in favor of cfa_temp.
8907 (cfa_temp_value): Removed in favor of cfa_temp.
8908 (cfa_temp): New global variable.
8909 (dwarf2out_frame_debug_expr): Added extensive introductory
8910 comments explaining the function's transformations. Revised to
8911 use cfa_temp. Added some rtx checking. Generalize IOR case.
8912 (dwarf2out_frame_debug): Revised to use cfa_temp.
8913 (output_aranges): Cast as "unsigned" to avoid warning.
8914 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8915 explain which instructions must be marked.
8917 2001-02-01 Richard Henderson <rth@redhat.com>
8919 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8922 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8924 * config/sh/crt1.asm (main_k): Modified so that start calls
8925 ___setup_argv_and_call_main.
8927 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8929 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8930 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8931 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8932 * cppmacro.c (builtin_macro): Set builtin flags here.
8933 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8934 (replace_args): Clarify intent.
8935 (cpp_get_token): Macro expansion tokens get the saved flags.
8937 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8940 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8942 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8945 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8947 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8948 returns Pmode pseudo, but we need ptr_mode.
8949 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8950 Remove bogus conversions; use HOST_WIDE_INT for size.
8951 Don't use TARGET if wrong mode.
8953 * config/i386/i386.c (ix86_compute_frame_size): Allow
8954 stack_alignment_needed to be non-default even if size is zero.
8956 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8958 * pa.c (hppa_init_pic_save): New function.
8959 * pa.h (hppa_init_pic_save): Declare.
8960 * pa.md (call, call_value, sibcall, sibcall_value): Use
8961 the above instead of duplicated code.
8963 * pa.c (hppa_encode_label): Correct size of alloca buffer
8964 so we don't overrun it. Correct leading `*' case.
8965 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8966 need to handle `*@'.
8967 (FUNCTION_NAME_P): Likewise.
8969 2001-01-31 Richard Henderson <rth@redhat.com>
8971 * config.gcc (alpha-osf5): Use float-i128.h.
8973 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8974 * config/float-i32.h: Likewise.
8975 * config/float-i64.h: Likewise.
8976 * config/float-sh.h: Likewise.
8977 * config/float-sparc.h: Likewise.
8979 2001-01-31 DJ Delorie <dj@redhat.com>
8981 * expmed.c (extract_bit_field): allow non-integral modes if we
8982 want to extract a whole register from itself.
8984 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8986 * c-typeck.c (set_init_index): If first is equal to last, assume as
8987 if it was not a range at all.
8989 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8991 * config/fp-bit.c: Include tm.h.
8992 (float_to_si): Don't assume SImode is 32-bits wide.
8993 (float_to_usi): Likewise.
8995 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8997 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8999 (typename): Call pending_xref_error after parsing typed_typespecs.
9000 * c-decl.c (lookup_tag): Give error immediately rather than
9001 leaving it pending if the tag of the wrong type is in the same
9003 (xref_tag): Don't pedwarn for forward declarations of enum types
9005 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9008 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9010 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9012 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9014 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9015 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9017 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9019 * cpphash.h (struct cpp_reader): New saved_flags.
9020 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9021 to avoid a paste after a pasted token.
9023 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9025 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9026 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9027 Wtype_MIN instead of LONG_MIN.
9029 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9031 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9033 * fixinc/fixincl.x: Regenerated.
9034 * fixinc/inclhack.def (irix_limits_const): New definition to
9035 convert "const" to "__const" in limits.h.
9037 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9039 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9041 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9043 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9044 when register dies in the insn.
9046 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9048 * diagnostic.c (fatal): Fix word wrap.
9050 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9052 * combine.c (try_combine): Fix SUBREG setting for
9053 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9055 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9057 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9060 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9062 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9064 * toplev.c (decode_W_option): Update warn_larger_than
9065 unconditionally for each processed switch.
9067 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9069 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9071 (hppa_expand_prologue): Delete code to save pic offset table register
9072 in the function prologue.
9073 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9074 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9075 table register at the beginning of the function after the prologue.
9077 2001-01-29 lars brinkhoff <lars@nocrew.org>
9079 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9081 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9082 Jeff Law <law@redhat.com>
9084 * pa.md (return): Revise comment for trivial return.
9085 (return_internal): Non-trivial return pattern for non-PIC code.
9086 (return_internal_pic): Non-trivial return pattern for PIC code.
9087 It uses the PIC register to ensure it is restored after
9089 (epilogue): Generate appropriate return for PIC and non-PIC code.
9091 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9093 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9095 2001-01-29 DJ Delorie <dj@redhat.com>
9097 * combine.c (if_then_else_cond): Pass the correct mode to
9098 operand_subword() for constants.
9100 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9102 * config/i386/cygwin.h: Add w32api to include search. Search different
9103 directories in a cross-build environment.
9105 2001-11-29 Tim Josling <tej@melbpc.org.au>
9107 * tree.h (TYPE_STUB_DECL): Add documentation.
9109 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9111 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9112 (sdbout_field_types): Likwise. Fix use of host_integerp.
9114 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9116 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9119 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9121 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9122 to use flag_gnu_linker.
9124 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9126 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9127 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9129 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9131 * tree.c, tree.h (build_parse_node): Remove; was identical to
9133 * c-lang.c (start_cdtor), objc/objc-act.c
9134 (build_module_descriptor): Use build_nt instead of
9137 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9139 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9140 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9141 not have any upper bits set.
9143 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9145 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9147 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9149 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9151 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9153 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9154 (integer_minus_one_node): Define.
9156 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9158 * Makefile.in (bootstrap2-lean): Fix typo.
9160 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9162 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9163 : Don't set fe_value.
9164 * cpplib.h (AVOID_LPASTE): New flag.
9165 (struct cpp_hashnode): Remove fe_value.
9166 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9167 * cppmacro.c (builtin_macro): Don't set flags here.
9168 (replace_args): Set AVOID_LPASTE flag on first token of an
9169 argument, and the token following it.
9170 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9171 macro expansion, and on the token following it. Do it for
9173 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9175 2001-01-27 Richard Henderson <rth@redhat.com>
9177 * config/alpha/t-ieee: Remove multilibbing.
9178 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9180 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9182 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9184 * Makefile.in: Remove all dependencies on defaults.h.
9185 * builtins.c: Don't include defaults.h.
9186 * c-common.c: Likewise.
9187 * c-decl.c: Likewise.
9188 * c-pragma.c: Likewise.
9189 * c-typeck.c: Likewise.
9190 * combine.c: Likewise.
9192 * frame-ia64.c: Likewise.
9193 * cppexp.c: Likewise.
9194 * crtstuff.c: Likewise.
9195 * dbxout.c: Likewise.
9196 * dwarf2out.c: Likewise.
9197 * dwarfout.c: Likewise.
9198 * emit-rtl.c: Likewise.
9199 * except.c: Likewise.
9201 * final.c: Likewise.
9202 * frame-dwarf2.c: Likewise.
9203 * libgcc2.c: Likewise.
9204 * optabs.c: Likewise.
9205 * profile.c: Likewise.
9206 * sdbout.c: Likewise.
9207 * toplev.c: Likewise.
9208 * tradcif.y: Likewise.
9210 * varasm.c: Likewise.
9212 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9214 * builtins.c (expand_builtin_fputs): Use size_one_node when
9215 transforming into fwrite.
9217 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9219 * extend.texi (Attribute Syntax): New section.
9221 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9223 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9224 they didn't need fixing.
9226 2001-01-27 Janis Johnson <janis@us.ibm.com>
9228 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9230 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9231 to remove macro definitions that are duplicated from elfos.h.
9233 2001-01-27 Richard Henderson <rth@redhat.com>
9235 * config/i386/sco5gas.h: Move ...
9236 * config/usegas.h: ... here.
9237 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9239 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9241 * c-typeck.c (struct constructor_stack): Add range_stack member.
9242 (really_start_incremental_init): Clear it.
9243 (push_init_level): Save constructor_range_stack and clear it if
9244 pushing explicit braces.
9245 (pop_init_level): abort if constructor_range_stack is non-zero at
9246 explicit closing brace. Restore saved constructor_range_stack if
9249 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9251 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9252 into register was forced into memory.
9254 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9256 * Makefile.in: Remove uses of + before $(MAKE).
9258 2001-01-26 Richard Henderson <rth@redhat.com>
9260 * stmt.c (cost_table): Remove.
9261 (COST_TABLE, cost_table_initialized): New.
9262 (estimate_case_costs): Use the later instead of the former.
9263 (balance_case_nodes): Likewise.
9265 2001-01-26 Richard Henderson <rth@redhat.com>
9267 * alias.c (objects_must_conflict_p): Read-only slots may not
9268 conflict despite having the same type.
9270 2001-01-27 Michael Hayes <mhayes@redhat.com>
9272 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9274 (check_ext_dependant_givs): Initialise u_start_val and
9276 (load_mems): Make last_max_reg unsigned.
9277 (try_swap_copy_prop): Use INSN_P and initialise set.
9279 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9281 * README.AVR : Removed.
9283 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9285 * pa-64.h (text_section): Remove declaration.
9287 * pa.md (return_internal): Remove mode on PIC register use.
9289 2001-01-25 lars brinkhoff <lars@nocrew.org>
9291 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9292 ASM_CLOSE_PAREN): fix typos.
9294 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9296 * acconfig.h: Define `const' to the empty string if neither
9297 __STDC__ nor __cplusplus is defined.
9298 * config.in: Regenerated.
9300 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9302 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9303 * collect2.c (main): Delete importf. Add ".obj" file extension.
9304 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9305 (aix_std_libs): Add additional AIX libraries to skip.
9306 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9307 * config/rs6000/aix51.h: New file.
9309 2001-01-25 Michael Hayes <mhayes@redhat.com>
9311 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9312 (loop_insn_emit_before): No longer static.
9313 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9314 (loop_givs_rescan, load_mems): Likewise.
9315 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9316 (maybe_eliminate_biv_1):
9317 (move_movables): Replace emit_call_insn_before with
9318 loop_call_insn_hoist.
9319 * loop.h (loop_insn_emit_before): Add.
9320 * unroll.c (copy_loop_body): Replace emit_insn_before with
9321 loop_insn_emit_before.
9323 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9325 * diagnostic.c (fatal): Request preprocessed source.
9327 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9329 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9330 olddecl has argument types and newdecl has none, use the argument
9333 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9335 * dwarf2out.c (prefix_of): New function. Determine longest common
9336 prefix of the two arguments. The units are whole path components.
9337 (output_file_names): When adding a new directory find the one entry
9338 with the longest common prefix already in the list. Artificially
9339 generate entry if there is none for this prefix.
9340 Fix test to check whether the zeroth directory entry is used.
9342 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9344 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9345 Changed all callers. Take it into account when deciding if a
9346 previously loaded value matches.
9348 2001-01-24 Richard Henderson <rth@redhat.com>
9350 * reload.c (find_reloads_subreg_address): Fail the substitution
9351 if the resulting address is insufficiently aligned.
9353 2001-01-24 DJ Delorie <dj@redhat.com>
9355 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9356 check the original operand's mode also.
9357 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9359 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9361 * c-parse.in (cast_expr): Move compound literals from here ...
9362 (primary): ... to here. Use standard terminology "compound
9363 literal" instead of "constructor expression".
9365 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9367 * gcc.1, cpp.1: Regenerate.
9369 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9371 * calls.c (emit_library_call_value_1): Memory slot for
9372 pass-by-reference argument should have the mode of the argument,
9373 not of the pointer to it.
9375 2001-01-24 Tom Tromey <tromey@redhat.com>
9377 * gcc.texi (G++ and GCC): Mention gcj manual.
9378 (Standards): Link to section of manual mentioning gcj/Java
9381 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9383 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9384 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9385 * tradcpp.c (main): Add -imacros or -include'd dependencies
9387 * cpp.texi (-M, -MM): Document -M -include behaviour.
9389 2001-01-24 Roger Collins <roger@ProProject.com>
9391 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9393 2001-01-24 Will Cohen <wcohen@redhat.com>
9395 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9396 whether registers are 32 bits or 64 bits in size.
9398 2001-01-24 Ben Elliston <bje@redhat.com>
9400 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9402 2001-01-24 Richard Henderson <rth@redhat.com>
9404 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9405 (builtin_longjmp): Use it instead of emit_indirect_jump.
9407 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9409 * bb-reorder.c (make_reorder_chain_1): Handle case where
9410 jump edge goes to the same block as the fallthru edge.
9412 2001-01-23 Jim Wilson <wilson@redhat.com>
9414 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9415 * frame.h (__ia64_personality_v1): Add prototype.
9416 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9417 prototype form. Add void * cast to first argument to personality
9419 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9420 (asctoe113): Likewise.
9421 * config/ia64/frame-ia64.c: Include eh-common.h.
9422 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9424 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9426 (itanium_split_issue): Add prototype.
9427 (gen_nop_type): Ifdef out.
9428 (find_best_packet): Initialize best_packet.
9429 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9431 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9432 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9433 (flushrs): Add explicit stop bit at end.
9434 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9437 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9439 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9441 * libgcc2.c (__terminate_func): Make variable static.
9442 (__terminate_set_func): New function to set __terminate_func.
9443 * libgcc2.h (__terminate_func_ptr): New typedef.
9444 (__terminate_set_func): New function.
9446 2001-01-23 Richard Henderson <rth@redhat.com>
9448 * flow.c (init_propagate_block_info): Don't consider unchanging
9449 memories for dead frame store elimination.
9451 2001-01-23 Richard Henderson <rth@redhat.com>
9453 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9454 * defaults.h: ... here.
9456 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9458 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9460 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9462 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9464 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9466 * rs6000.h (rs6000_return_addr): Move prototype from here...
9467 * rs6000-protos.h (rs6000_return_addr): ...to here.
9468 (rs6000_init_expanders): Delete prototype.
9470 2001-01-23 Nick Clifton <nickc@redhat.com>
9472 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9473 (Spec Files): Document %B and %j and %. and %v3 and %M and
9474 %{S*&T} spec switches.
9476 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9478 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9480 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9481 Neil Booth <neil@daikokuya.demon.co.uk>
9483 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9484 Have -Werror make pedantic warnings errors, like the
9487 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9489 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9491 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9493 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9494 * integrate.c (expand_inline_function): Initialize them.
9495 (subst_constants): If changing COMPARE so that both its arguments
9496 will be VOIDmode and the comparison mode will be lost, note
9497 compare_mode. Use the recorded compare_mode to optimize
9500 2001-01-23 Jason Merrill <jason@redhat.com>
9502 * dwarf2out.c (new_die): Use xcalloc.
9503 (output_die): Abort rather than emit a local reference to offset 0.
9505 2001-01-17 Andrew Haley <aph@redhat.com>
9507 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9508 of a saved register; return NULL instead.
9509 (copy_reg): Take a pointer to a source register rather than a
9511 (next_stack_level): Remember the address in the stack frame of all
9513 Use the saved register pointer array as the source of the CFA.
9514 (throw_helper): Rewrite. Unwind once rather than twice and keep
9515 track of saved registers as we go.
9517 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9519 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9520 * c4x.c (c4x_legitimize_reload_address): Remove.
9521 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9522 reload address for ldp(k) insn.
9524 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9526 * pa.md (return_internal): Add a USE of the PIC register to ensure
9527 it is restored after each call.
9528 (return expander): Corresponding changes.
9530 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9532 * rs6000.h (INIT_EXPANDERS): Delete.
9533 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9534 * rs6000.c (rs6000_override_options): Call *_machine_status from
9536 (rs6000_init_expanders): ...instead of here. Delete.
9537 (rs6000_mark_machine_status): New function.
9538 (rs6000_init_machine_status): Use xcalloc.
9539 (rs6000_return_addr): Generate RTX for the return address.
9540 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9541 (rs6000_stack_info): Use it.
9543 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9545 * gthr-win32.h: Include errno.h to get a declaration for
9546 EINVAL and _mingw.h if the target is mingw32.
9548 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9550 * cpp.texi: Correct typos.
9552 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9554 * explow.c (probe_stack_range): Ensure value passed to
9555 stack_check_libfunc is ptr_mode, not Pmode.
9557 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9559 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9560 case, don't use operand_subword to calculate a SUBREG that is
9563 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9565 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9567 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9568 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9569 valid. If not replace it by equivalent insns.
9571 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9573 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9574 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9575 (c4x_U_constraint, symbolic_address_operand): Likewise.
9576 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9578 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9579 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9580 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9581 anulling slot because of silicon bug.
9582 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9584 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9586 * cppexp.c (parse_charconst): Change `mask' type to agree
9589 2001-01-21 Richard Henderson <rth@redhat.com>
9591 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9592 pic_label_name in a linkonce section.
9594 2001-01-17 Philipp Thomas <pthomas@suse.de>
9596 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9598 * configure: Regenerate.
9600 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9602 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9603 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9605 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9607 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9608 If REVERSE nonzero then condition code in X must be reversed.
9609 (encode_section_info): Optimise if/else.
9610 (avr_function_value): Fix formatting.
9612 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9613 (difficult_branch): Likewise.
9614 (rvbranch): Likewise.
9615 (difficult_rvbranch): Likewise.
9617 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9619 * config/avr/libgcc.S: Fix comment.
9621 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9623 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9625 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9627 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9629 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9631 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9632 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9633 * configure, config.in: Regenerate.
9634 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9635 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9636 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9637 (doprint.o): New rule.
9639 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9641 * c-typeck.c (digest_init): Handle boolean types as scalars.
9643 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9645 * stmt.c (expand_return): Don't return anything if size is zero.
9646 Delete redundant assignment to BYTES.
9647 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9649 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9651 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9652 the same as the default library function names.
9653 * config/avr/avr.md: Document special characters after '%'.
9654 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9655 knowing which of the call-used registers are really clobbered.
9656 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9657 New. Both quotient and remainder from one libgcc.S call.
9658 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9659 clobber as few registers as possible.
9660 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9662 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9664 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9665 context of the top of the stack.
9667 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9669 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9670 (fixup_var_refs_insns): ...here.
9672 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9674 * function.c (fixup_var_refs_insns): Break up into
9675 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9676 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9677 [loop over hash table entries].
9678 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9679 fixup_var_refs_insns_with_hash, to match above changes.
9681 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9683 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9684 (libgcc.a): Likewise.
9685 (stmp-multilib): Likewise.
9686 (STAGE2_FLAGS_TO_PASS): Likewise.
9688 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9690 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9691 temporary if no_new_pseudos.
9693 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9695 * cppinternals.texi: Update.
9697 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9699 * arm.c (arm_init_builtins): Re-enable builtins.
9701 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9703 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9704 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9705 element to be null, and always expect an EXPR_LIST.
9706 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9707 * sched-deps.c (sched_analyze_1): Likewise.
9708 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9710 * regclass.c (max_set_parallel): New variable.
9711 (reg_scan): Take it into account in computation of max_parallel.
9712 (reg_scan_mark_refs, case SET): Compute it.
9714 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9716 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9717 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9719 2001-01-19 Jason Merrill <jason@redhat.com>
9721 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9722 for the abstract instance of an inline function.
9724 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9725 J"orn Rennecke <amylaar@redhat.com>
9727 * reload1.c (move2add_note_store): Treat all registers directly or
9728 indirectly derived from a base register as members of the same set
9730 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9731 of base register into account.
9733 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9735 * alias.c (find_base_value): Recognize TRUNCATE.
9736 (record_set): In PLUS case, invalidate if other summand is also a
9739 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9741 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9742 entry to be EXPR_LIST.
9743 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9744 be an EXPR_LIST (but not null, which other code doesn't allow).
9745 (note_stores): Properly handle PARALLEL in SET.
9746 Recursively call for top-level PARALLEL.
9747 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9748 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9750 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9752 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9754 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9755 not pfile->skipping (== 0).
9757 2001-01-17 Nick Clifton <nickc@redhat.com>
9759 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9762 2001-01-17 Jim Wilson <wilson@redhat.com>
9764 * invoke.texi (IA-64 options): Improve.
9766 2001-01-17 Tom Tromey <tromey@redhat.com>
9768 * invoke.texi (Optimize Options): Use `{}' to around @samp
9771 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9773 * invoke.texi (-fno-guess-branch-probability): New option.
9775 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9777 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9778 case of making new double-word constant.
9779 Revert last change: instead just test i3_subst_into_i2.
9781 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9783 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9784 Use q constraints instead of r.
9786 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9788 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9789 (machine_function): Define.
9790 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9791 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9792 pa_free_machine_status): New functions.
9793 (override_options): Set {init,mark,free}_machine_status to above.
9794 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9795 PIC_OFFSET_TABLE_REGNUM_SAVED.
9796 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9797 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9798 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9799 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9800 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9802 2001-01-15 DJ Delorie <dj@redhat.com>
9804 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9808 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9810 * flow.c (propagate_one_insn): Make trying to delete a prologue
9811 or epilogue insn an ICE, not a warning. Allow doing this if
9812 the current function returns with stack pointer depressed.
9814 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9815 I3 having more than one SET.
9817 2001-01-16 Jim Wilson <wilson@redhat.com>
9819 * invoke.texi: Document IA-64 options.
9821 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9822 (fixup_errata): Delete TARGET_A_STEP use.
9823 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9824 (TARGET_SWITCHES): Delete -ma-step option.
9825 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9826 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9827 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9828 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9829 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9830 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9832 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9833 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9834 cmovsi_internal): Delete ! TARGET_A_STEP check.
9836 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9838 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9839 possibility to report bugs via postal mail. Change a URL and
9840 merge in a nearly duplicate statement...
9841 (Bug Reporting): ...from here.
9842 (Service): Refer to the Bug Reporting section instead of
9844 (Contributing): Remove trivial explanations concerning snapshots.
9846 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9848 * cppmain.c (general_init): Don't use ANSI prototype.
9850 2001-01-16 Tom Tromey <tromey@redhat.com>
9852 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9854 2001-01-16 Richard Henderson <rth@redhat.com>
9856 * config/i386/i386.h: Fix comment typo.
9857 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9858 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9860 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9862 * gcc.c: Revert previous -fsyntax-only-related change; move
9865 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9867 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9868 inmode after checking GET_CODE (op).
9870 2001-01-16 Richard Henderson <rth@redhat.com>
9872 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9873 (MAX_MEM_SET_LIST_LEN): New.
9874 (propagate_one_insn): Update mem_set_list_len.
9875 (invalidate_mems_from_autoinc): Likewise.
9876 (invalidate_mems_from_set): Likewise.
9877 (mark_used_regs): Likewise.
9878 (init_propagate_block_info): Likewise. Stop collecting memories
9879 when we reach MAX_MEM_SET_LIST_LEN.
9880 (mark_set_1): Likewise.
9882 2001-01-16 Richard Henderson <rth@redhat.com>
9884 * unroll.c (precondition_loop_p): Fail if no iteration
9887 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9889 * gcc.c: When -fsyntax-only is given, do not complain about
9892 2001-01-15 Richard Henderson <rth@redhat.com>
9894 * config/i386/i386.c (asm_output_function_prefix): Remove.
9895 (ix86_asm_file_end): New.
9896 (load_pic_register): Generate pic_label_name into a
9897 staticly allocated buffer.
9898 * config/i386/i386-protos.h: Update.
9899 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9900 (ASM_FILE_END): New.
9901 * config/i386/i386afe.h: New file.
9902 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9903 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9904 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9905 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9906 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9907 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9908 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9910 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9912 * Makefile.in (install-man): Remove explicit dependency on
9915 * configure.in, configure: Revert previous patch requiring perl
9918 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9920 * toplev.c (flag_guess_branch_prob): New.
9921 (f_options): Add guess-branch-probability option.
9922 (rest_of_decl_compilation): Only estimate branch probability if
9924 (main): set flag_guess_branch_prob.
9926 * flags.h (flag_guess_branch_prob): New.
9928 2001-01-15 DJ Delorie <dj@redhat.com>
9930 * gcc.texi (Makefile): Add documentation for Makefile targets.
9932 2001-01-15 Philip Blundell <philb@gnu.org>
9934 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9936 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9937 (is_pic): Delete declaration.
9938 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9939 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9940 * config/arm/arm.md (builtin_setjmp_receiver): New.
9942 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9944 * arm.c (use_return_insn): Don't try to determine the function type
9945 until after reload has completed.
9946 (arm_output_epilogue): Don't adjust the sp value recovered from the
9948 (emit_multi_reg_push): Don't record dwarf information for the pc.
9949 * arm.md (eh_epilogue): The function type may have changed, so it
9950 needs to be recalculated.
9951 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9952 unwind tables on arm/netbsd.
9954 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9956 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9957 (negated_cbranchsi4): Likewise.
9959 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9961 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9962 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9963 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9964 pass -mapcs-* options to assembler.
9965 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9966 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9967 (ASM_SPEC): Call subtarget_extra_asm_spec.
9969 2001-01-15 Andreas Jaeger <aj@suse.de>
9971 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9973 (ix86_expand_builtin): Likewise.
9975 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9976 warning about comparison between signed and unsigned.
9978 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9980 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9982 2001-01-14 Ralf Baechle <ralf@gnu.org>
9984 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9985 SUBTARGET_CPP_SPEC apropriatly.
9987 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9989 * varasm.c (make_decl_rtl): Fix typo in last change.
9991 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9993 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9994 linker supports the init_priority C++ attribute.
9995 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9996 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9997 linker does not support init_priority C++ attribute.
9999 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10001 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10003 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10005 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10006 * cp/lex.c (finish_parse): Similarly.
10007 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10008 Return the number of errors encountered.
10009 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10010 * cppmain.c (main): Don't call cpp_destroy.
10012 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10014 * configure.in: Require at least perl 5.6.0 to regenerate
10016 * configure: Regenerate.
10018 2001-01-14 Richard Henderson <rth@redhat.com>
10020 * genrecog.c (DT_veclen_ge): New.
10021 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10022 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10023 (nodes_identical_1): Handle DT_veclen_ge.
10024 (write_cond, debug_decision_2): Likewise.
10026 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10028 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10030 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10032 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10034 * cppmain.c (do_preprocessing): New function; most of the old
10036 (main): Call it to do most of the work.
10037 (cb): Move from global scope to set_callbacks ().
10038 (setup_callbacks): Get the callback pointer.
10039 (general_init, printer_init): Clean up code and comments.
10041 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10043 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10046 2001-01-14 Kazu Hirata <kazu@hxi.com>
10048 * config/h8300/h8300.c (get_shift_alg): Update comments.
10050 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10052 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10053 (alloc_page, ggc_alloc): Add casts to remove warnings.
10055 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10057 * combine.c (simplify_comparison): Don't change `code' when
10058 can't reverse comparison.
10060 2001-01-14 Richard Henderson <rth@redhat.com>
10062 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10063 update all call sites. Return true for all non-label constants.
10065 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10067 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10069 (ix86_expand_branch): Update.
10070 (ix86_expand_setcc): Update to handle multiple test conditions.
10071 (expand_int_movcc): Likewise.
10072 (expand_fp_movcc): Likewise.
10073 * i386-protos.h (ix86_expand_compare): New.
10074 * i386.md (andqi_?_slp, orqi_?_slp): New.
10075 (conditional trap expander): Update call to ix86_expand_compare.
10077 2001-01-14 Richard Henderson <rth@redhat.com>
10079 * config/vax/vax.md: Use nonimmediate_operand instead of
10080 general_operand in destinations.
10082 * config/vax/vax.md (indirect_jump): Use register_operand.
10084 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10085 * config/vax/vax.md (call_pop): Turn into an expander.
10086 (call_value_pop): Likewise.
10087 (call, call_value): New.
10089 2001-01-14 Andreas Jaeger <aj@suse.de>
10091 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10093 (ix86_fp_compare_mode): Add unused attribute.
10094 (ix86_expand_fp_movcc): Remove unused variable.
10095 (ix86_expand_builtin): Make fcode unsigned.
10097 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10098 (expand_expr): Add cast to avoid signed warning.
10099 (store_field): Likewise.
10100 (store_constructor_field): Likewise.
10101 (store_constructor): Likewise.
10102 (store_expr): Likewise.
10103 (clear_storage): Likewise.
10104 (emit_group_store): Likewise.
10105 (emit_group_load): Likewise.
10107 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10109 * c-common.c: Move format checking code to ...
10110 * c-format.c: ... here. New file. Reorder some functions and
10112 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10114 * c-common.h (decl_handle_format_attribute,
10115 decl_handle_format_arg_attribute): Declare.
10116 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10117 (c-common.o): Adjust dependencies.
10118 (c-format.o): New list of dependencies.
10120 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10122 * unroll.c (loop_iterations): If we cannot prove iteration variable
10123 is set once in each iteration, punt.
10125 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10127 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10128 (*strlenhi): Remove clobber (which was buggy) of output address.
10130 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10132 * Makefile.in (generated-manpages): Add gcc.1
10133 ($(srcdir)/gcc.1): New target.
10134 (maintainer-clean): Delete $(srcdir)/gcc.1.
10135 * gcc.texi: Add macros @gccoptlist and @gol.
10136 * invoke.texi: Include option summary in manpage. Mark up option
10137 summary with @gccoptlist and @gol. Use @r in one place where
10139 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10140 * gcc.1: Generate from invoke.texi.
10142 2001-01-13 Richard Henderson <rth@redhat.com>
10144 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10145 (struct page_entry): Add group member.
10146 (struct page_group): New.
10147 (struct globals): Add page_groups member.
10148 (alloc_anon): Only define for using mmap; remove valloc call.
10149 (page_group_index): New.
10150 (set_page_group_in_use): New.
10151 (clear_page_group_in_use): New.
10152 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10153 (free_page, release_pages): Likewise.
10154 * configure.in (with-gc): Default to ggc-page always.
10156 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10158 * reload1.c (replace_pseudos_in_call_usage): Use
10159 reg_equiv_constant and reg_equiv_address, and don't try
10160 regno_reg_rtx first.
10162 2001-01-13 Richard Henderson <rth@redhat.com>
10164 * ggc-page.c (alloc_page): Round up allocation size to one page.
10165 Set e->order on extra pages.
10167 2001-01-13 Richard Henderson <rth@redhat.com>
10169 * genrecog.c (nodes_identical): Expand commentary.
10170 (write_switch): Watch out for identical nodes.
10172 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10174 * cppfiles.c (_cpp_fake_include): New function.
10175 * cpphash.h (_cpp_fake_include): New.
10176 * cpplib.c (do_line): Call _cpp_fake_include when entering
10177 header files in preprocessed input.
10178 * cppmain.c (cb_pragma_implementation): Remove handling.
10179 (setup_callbacks): Don't register pragmas.
10181 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10183 * extend.texi: Udate for CPP.
10185 2001-01-13 Andreas Jaeger <aj@suse.de>
10187 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10189 * regmove.c: Add prototype for replace_in_call_usage.
10191 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10193 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10194 struct cpp_chunk, struct htab, struct toklist,
10195 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10196 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10197 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10198 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10199 (struct macro_args): Delete.
10200 * cpphash.h: See above.
10202 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10204 * cppmain.c (struct printer): Remove no_line_dirs.
10205 (options, cb): New.
10206 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10207 : Use options rather than CPP_OPTION.
10208 (setup_callbacks): Use cb rather than pfile->cb.
10209 (main): No need to check for a buffer. Use cpp_errors.
10210 (printer_init): Don't set no_line_dirs.
10211 (maybe_print_line): Use options not no_line_dirs.
10212 (cb_file_change): Don't call print_line if -P.
10214 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10216 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10218 * c-parse.in (finish_parse): Use cpp_errors.
10219 (__yylex): Use return value of cpp_pop_buffer.
10220 * cp/lex.c (finish_parse): Use cpp_errors.
10221 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10223 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10225 * README.AVR: URLs corrected.
10227 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10229 * c-decl.c (start_function): Don't warn if old prototype is builtin
10230 that's not in C's namespace.
10231 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10232 (_bb): Add prototype for ctime.
10233 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10235 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10237 * i386.c (ix86_fp_comparison_arithmetics_cost,
10238 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10239 ix86_fp_comparison_cost): New functions.
10240 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10241 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10242 two-branch sequences; make static.
10243 (ix86_use_fcomi_compare): Do decision according to the costs.
10244 (split_fp_branch): New.
10245 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10246 * i386-protos.h (ix86_expand_fp_compare): Remove
10247 (ix86_split_fp_branch): Declare.
10249 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10250 and ix86_comparison_operator.
10252 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10253 to make it cheaper.
10255 * i386.c (put_condition_code): Output properly the unordered/ordered
10256 compares in fp case.
10257 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10259 * tm.texi (REVERSE_CONDITION): Document.
10260 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10261 in -ffast-math mode.
10262 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10264 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10266 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10268 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10271 * config/sh/sh.c (mova_p): Fix test for mova_const.
10273 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10275 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10276 cpp_get_options rather than dereferencing pfile and using
10278 * scan-decls.c (scan_decls): Use return value of
10279 cpp_pop_buffer rather than CPP_BUFFER.
10281 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10283 * cppinit.c (cpp_handle_option): help_only is now part of the
10284 cpp_options structure.
10285 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10286 cpp_set_callbacks): New functions.
10287 * cpplib.h (cpp_callbacks): Break out as a named structure.
10288 (cpp_options): Move help_only here from cpp_reader.
10289 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10290 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10291 cpp_set_callbacks): New prototypes.
10292 * cppmain.c (main): Update for help_only.
10294 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10296 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10297 Also build and remove and install and uninstall c-tree.info and
10299 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10300 ($(srcdir)/cppinternals.info): New target.
10301 * c-tree.texi: Change file name used when makeinfo used without -o
10302 from ir.info to c-tree.info. Add info directory entry.
10303 * cppinternals.texi: Add info directory entry.
10304 * .cvsignore: Update.
10306 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10308 * c-typeck.c (store_init_value): Don't require constant initializer
10309 elements with -pedantic -std=c99.
10310 (digest_init): Change error about non-constant initializer elements
10312 (constructor_range_end): Remove.
10313 (constructor_incremental, designator_depth,
10314 designator_errorneous): New variables.
10315 (struct constructor_stack): Remove range_end, add incremental.
10316 (struct constructor_range_stack, constructor_range_stack): New.
10317 (struct initializer_stack): Add constructor_range_stack.
10318 (finish_init): Set it.
10319 (start_init): Likewise. require_constant_elements for non-static
10320 trees only if not flag_isoc99.
10321 (really_start_incremental_init): Remove constructor_range_end, add
10322 constructor_incremental.
10323 (pop_init_level): Likewise.
10324 (push_init_level): Likewise. If implicit and the subobject had some
10325 value set already, preinitialize the level with it.
10326 Warn about missing braces only if not pushing due to designators.
10327 (set_designator, push_range_stack): New functions.
10328 (set_init_label): Use them.
10329 (set_init_index): Likewise. Remove constructor_range_end.
10330 Error if designator index is outside of array bounds.
10331 (add_pending_init): Compare values of purpose index trees, not the
10332 trees themselves. Allow overwriting of already initialized element.
10333 Issue a warning if it had side-effects.
10334 (set_nonincremental_init, set_nonincremental_init_from_string): New
10336 (pending_init_member): Rename to...
10337 (find_init_member): ...this function. Call set_nonincremental_init
10338 if necessary. Compare values of purpose index trees, not the trees
10339 themselves. Return the actual value, not just non-zero if something
10341 (output_init_element): Remove checks for duplicates.
10342 If field has zero size, only check the initializer for correctness.
10343 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10344 if constructor_incremental is zero. Change error about initializers
10345 not computable at load time into pedwarn.
10346 (output_pending_init_elements): Compare bit positions, not
10347 FIELD_DECLs to take into account zero-sized fields.
10348 (process_init_element): Use constructor_range_stack to fill all
10349 ranges in the designator lists from current level up.
10350 * extend.texi: Update documentation for labeled elements.
10352 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10354 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10355 to function usage for arguments passed by reference. Optimize
10356 callee-copied arguments.
10357 * regmove.c (replace_in_call_usage): New function.
10358 (fixup_match_1): Call it.
10359 * cse.c (cse_insn): Canonicalize registers in function usage.
10360 * reload1.c (replace_pseudos_in_call_usage): New function.
10363 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10366 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10368 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10371 2001-01-12 DJ Delorie <dj@redhat.com>
10373 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10374 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10377 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10379 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10380 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10381 -std options alongside references to -ansi. Update some
10382 documentation for C99.
10383 * cpp.1: Regenerate.
10385 2001-01-12 Andreas Jaeger <aj@suse.de>
10387 * haifa-sched.c (restore_line_notes): Remove argument block B
10389 * sched-ebb.c (schedule_ebb): Change caller.
10390 * sched-rgn.c (schedule_region): Likewise.
10391 * sched-int.h (restore_line_notes): Adjust prototype.
10393 * loop.h: Remove wrong declaration of doloop_condition_get.
10395 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10397 * extend.texi: Move C++-extension-related node from the C section
10398 into the C++ section.
10400 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10402 * extend.texi: Refer to an array of pointers to functions instead
10403 of one of functions.
10405 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10406 Jan Hubicka <jh@suse.cz>
10408 * combine.c (reversed_comparison): Fix typo in last patch.
10410 (combine_reversed_comparison_code): Make static to follow
10411 prototype declaration.
10413 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10415 * install.texi: Remove misplaced duplicate entry.
10417 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10419 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10421 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10423 * final.c: (leaf_function_p): Fix typo.
10425 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10427 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10428 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10430 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10431 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10432 mmap_anon, and valloc is available.
10433 * ggc-page.c: Restructure ifdef logic to match new autoconf
10434 spec. Don't throw away the test page in init_ggc.
10436 * configure, config.in: Regenerate.
10438 2001-01-12 Michael Hayes <mhayes@redhat.com>
10440 * loop.h (total_biv_increment): Constify iv_class pointer.
10441 (struct induction): Replace `mem_mode' with `mem' rtx.
10442 * unroll.c (total_biv_increment): Constify iv_class pointer.
10443 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10444 (find_mem_givs, combine_givs_p): Likewise.
10445 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10447 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10449 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10451 (__gthread_getspecific): Ditto.
10453 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10455 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10456 put_condition_code): Convert fp comparison codes to integer
10458 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10461 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10462 * i386-protos.h (no_comparison_operator): Kill.
10464 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10466 * combine.c (REVERSIBLE_CC_MODE): Remove.
10467 (reversible_comparison_p): Remove.
10468 (combine_reversed_comparison_code): New.
10469 (reversed_comparison): New.
10470 (combine_simplify_rtx): Use
10471 combine_reversed_comparison_code/reversed_comparison instead
10472 of reversible_comparison_p.
10473 (simplify_if_then_else): Likewise.
10474 (simplify_set): Likewise.
10475 (simplify_logical): Likewise.
10476 (if_then_else_cond): Likewise.
10477 (known_cond): Likewise.
10478 (simplify_comparison): Likewise.
10480 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10482 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10483 sizeof (int) is larger than sizeof(__word__).
10485 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10487 * cppinit.c (do_includes): Fix typo.
10489 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10491 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10492 in S_REGS does not occur because not all sources are possible
10493 when a S_REGS is a destination (sometimes needs a clobber).
10494 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10495 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10496 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10497 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10498 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10499 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10500 (lshrdi_const1, lshrsi3_const16): Likewise.
10501 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10502 (*movhi_68hc12, *movqi_68hc12): Likewise.
10503 (movstrictqi): Make sure reloading in D_REGS as a destination
10506 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10508 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10510 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10512 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10513 -D, -U and -A, and don't initialize the builtins.
10514 (do_includes): Error if -include or -imacros with -fpreprocessed.
10515 * cppmain.c (cb_define, cb_undef): Unconditionally process
10517 * tradcpp.c (main): Fix typo.
10519 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10521 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10522 (read_name_map): Use IS_ABSOLUTE_PATH.
10523 * tradcpp.c (get_filename): Likewise.
10525 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10527 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10528 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10529 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10530 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10531 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10532 (cmphi_z_used): Don't use '@' for the output.
10533 (tstqi_z_used): Likewise.
10534 (cmpqi_z_used): Likewise.
10535 (one_cmplsi2): Likewise.
10537 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10539 * config/sh/sh.c (barrier_align): Recognize branch around far
10540 branch and redundant insn.
10542 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10544 * invoke.texi: Restore documentation of the drivers' switches -MD
10547 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10549 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10551 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10552 check-objc//%): Support parallel testing of multilibs.
10553 (TESTSUITEDIR): Set to testsuite by default, but override for
10555 (check-gcc, check-g++, check-g77, check-objc): Enter
10558 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10560 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10561 * sched-deps.c (deps_may_trap_p): Likewise.
10562 * basic-block.h: Remove a comment.
10563 * flow.c (PROP_POSTRELOAD): Remove.
10564 (update_life_info): Don't add it to prop_flags.
10565 (mark_set_1): Lose the code that was enabled by it.
10567 2001-01-11 Michael Hayes <mhayes@redhat.com>
10569 * flow.c (flow_call_edges_add): New.
10570 * basic_block.h (flow_call_edges_add): New.
10572 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10574 * reload1.c (move2add_note_store): Update reg_set_luid even if
10575 base reg remains the same.
10577 2001-01-10 Nick Clifton <nickc@redhat.com>
10579 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10580 machine_function structure to zero.
10581 Add prototypes for machine_status functions.
10583 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10585 * c-common.h (CTI_VOID_LIST): Remove.
10586 (void_list_node): Likewise.
10587 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10588 (void_list_node): New macro.
10589 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10590 * config/i386/i386.c (ix86_init_builtins): Likewise.
10591 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10593 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10595 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10596 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10598 * tradcpp.c: Include mkdeps.h.
10599 (deps, print_deps_phony_targets, deps_append, output_deps,
10600 init_dependency_output, output_deps): New.
10601 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10602 deps_output): Delete.
10603 (print_deps_missing_files): Rename deps_missing_files.
10604 (inhibit_output): Make global.
10605 (main): Delete inhibit_output, deps_stream, deps_target.
10606 Use mkdeps functionality in the same way as cpplib. Remove
10607 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10608 -M and -MM. Remove old handling of deps via deps_out, and
10609 old reading of environment variables.
10610 (get_filename): Update to use deps_add_dep.
10612 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10614 * output.h (make_function_rtl): Remove prototype.
10615 (make_decl_rtl): Likewise.
10616 * varasm.c (make_function_rtl): Remove.
10617 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10618 than from a third parameter.
10619 * tree.h (make_decl_rtl): Remove last parameter.
10620 * c-decl.c (builtin_function): Remove last argument in call to
10621 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10622 (start_function): Likewise.
10623 * except.c (call_get_eh_context): Likewise.
10624 * expr.c (emit_block_move): Likewise.
10625 (clear_storage): Likewise.
10626 * profile.c (output_func_start_profiler): Likewise.
10627 * toplev.c (rest_of_decl_compilation): Likewise.
10628 * objc/objc-act.c (create_builtin_decl): Likewise.
10629 (synth_module_prologue): Likewise.
10630 (generate_static_reference): Likewise.
10631 (build_selector_reference_decl): Likewise.
10632 (build_class_reference_decl): Likewise.
10633 (build_objc_string_decl): Likewise.
10634 (build_protocol_reference): Likewise.
10636 2001-01-10 Richard Henderson <rth@redhat.com>
10638 * hwint.h: Revert yesterday's change.
10640 2001-01-10 Nick Clifton <nickc@redhat.com>
10642 * function.h (save_machine_status): Delete.
10643 (restore_machine_status): Delete.
10644 Amend comment describing {init|mark|free}_machine_status.
10646 * function.c (save_machine_status): Delete.
10647 (restore_machine_status): Delete.
10648 Amend comment describing {init|mark|free}_machine_status.
10649 (push_function_context_to): Remove invocation of
10650 save_machine_status.
10651 (pop_function_context_from): Remove invocation of
10652 restore_machine_status.
10654 * emit-rtl.c (init_emit_once): Amend comment describing
10655 {init|mark|free}_machine_status.
10657 * tm.texi (Per-Function Data): New node. Describe the
10658 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10661 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10663 * cppinit.c (OPT_g): Remove.
10664 (cpp_handle_option): Update for removed -g3.
10665 (print_help): Update.
10666 * cpplib.h (struct cpp_options): Remove debug_output.
10667 * cppmain.c (setup_callbacks, cb_define): Update.
10668 * gcc.c (cpp_options): Translate -g3 to -dD.
10670 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10672 * config/i960/i960.md: Change modifier to + on the zero_extract
10673 pattern after the (rotate -2 reg) canonicalization pattern.
10675 2001-01-10 Richard Henderson <rth@redhat.com>
10677 * config/alpha/alpha.c (alpha_free_machine_status): New.
10678 (override_options): Install it.
10679 (alpha_mark_machine_status): Verify machine non-null.
10680 * config/i386/i386.c (ix86_free_machine_status): New.
10681 (override_options): Install it.
10682 (ix86_init_machine_status): Use xcalloc.
10683 (ix86_mark_machine_status): Verify machine non-null.
10684 * config/ia64/ia64.c (ia64_free_machine_status): New.
10685 (ia64_override_options): Install it.
10686 (ia64_mark_machine_status): Verify machine non-null.
10688 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10690 * function.c (instantiate_virtual_regs): Instantiate virtual
10691 registers found in CALL_INSN_FUNCTION_USAGE.
10693 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10695 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10696 equivalent to -ansi in disabling -Di386.
10698 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10700 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10702 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10704 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10706 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10708 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10710 * invoke.texi: Document that -fcond-mismatch isn't supported for
10713 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10715 * gcc.texi: Define macro gcctabopt.
10716 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10717 @command, @env and @option in some places where appropriate. Use
10718 @gcctabopt where appropriate. Put URLs and email addresses inside
10721 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10723 * gcc.c (cpp_options): Set MD file name from output
10724 filename, if specified.
10725 (suffix_subst): New static variable.
10726 (do_spec): Clear it.
10727 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10729 (give_switch): Handle suffix_subst.
10731 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10733 * invoke.texi: Fix another typo.
10735 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10737 * invoke.texi: Fix typo.
10739 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10741 * c-lang.c (lang_hooks): Update.
10742 (lang_decode_option): Remove.
10743 (lang_init_options): Rename c_init_options.
10744 * toplev.c (main): Use lang_hooks for lang_init_options
10745 and lang_decode_option.
10746 * toplev.h (lang_hooks): Add 2 new hooks.
10747 * tree.h: Remove lang_init_options and lang_decode_option.
10748 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10749 * cp/decl2.c: Similarly.
10750 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10751 (lang_hooks): Update.
10752 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10754 (lang_init_options): Rename ffe_init_options.
10755 (lang_hooks): Update.
10756 (lang_decode_option): Remove.
10757 * java/lang.c (lang_init_options): Rename java_init_options.
10758 (lang_decode_option): Rename java_decode_option.
10759 (lang_hooks): Update.
10760 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10761 (lang_decode_option): Rename objc_decode_option.
10762 (lang_hooks): Update.
10764 2001-01-09 Nick Clifton <nickc@redhat.com>
10766 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10767 (d30v_return_addr_rtx): Delete.
10768 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10769 cfun->machine structure.
10770 (struct machine_function): Move to d30v.h
10771 (d30v_save_machine_status): Delete.
10772 (d30v_restore_machine_status): Delete.
10773 (d30v_init_machine_status): New Function.
10774 (d30v_mark_machine_status): New Function.
10775 (d30v_free_machine_status): New Function.
10776 (d30v_init_expanders): Use new functions.
10777 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10778 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10779 d30v_return_addr_rtx.
10781 * config/d30v/d30v.h (struct_machine): Move here.
10782 Add eh_epilogue_sp_ofs field.
10784 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10785 field in cfun->machine structure.
10787 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10789 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10790 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10791 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10793 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10795 * objc/lang-options.h: Remove bogus reference to
10798 2001-01-09 Kazu Hirata <kazu@hxi.com>
10800 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10803 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10805 * reload.c (find_reloads_address): Check for eliminable registers
10806 when substituting a constant expression for a pseudo.
10808 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10810 * c-common.c (enum format_type): Add format_type_error.
10811 (decode_format_type): New function.
10812 (decl_attributes): Use it.
10813 (format_kind_info): Adjust comment.
10815 2001-01-09 David O'Brien <obrien@BSDi.com>
10817 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10818 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10820 * config/i386/gnu.h: Don't include required platform specific .h files,
10821 tm.h will do it instead.
10822 * config/i386/i386elf.h: Likewise.
10823 * config/i386/linux.h: Likewise.
10824 * config/i386/moss.h: Likewise.
10825 * config/mips/gnu.h: Likewise.
10827 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10829 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10830 (rs6000-ibm-aix3.[01]*): Likewise.
10831 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10832 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10833 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10834 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10835 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10836 (powerpc-*-eabiaix*): Likewise.
10837 (powerpc-*-eabisim*): Likewise.
10838 (powerpc-*-elf*): Likewise.
10839 (powerpc-*-eabi*): Likewise.
10840 (powerpc-*-rtems*): Likewise.
10841 (powerpc-*-linux*libc1): Likewise.
10842 (powerpc-*-linux*): Likewise.
10843 (powerpc-wrs-vxworks*): Likewise.
10844 (powerpcle-wrs-vxworks*): Likewise.
10845 (powerpcle-*-sysv*): Likewise.
10846 (powerpcle-*-elf*): Likewise.
10847 (powerpcle-*-eabisim*): Likewise.
10848 (powerpcle-*-eabi*): Likewise.
10849 (powerpcle-*-solaris2*): Likewise.
10850 * config/rs6000/aix31.h: Delete includes.
10851 * config/rs6000/aix3newas.h: Likewise.
10852 * config/rs6000/aix41.h: Likewise.
10853 * config/rs6000/aix43.h: Likewise.
10854 * config/rs6000/beos.h: Likewise.
10855 * config/rs6000/rtems.h: Likewise.
10856 * config/rs6000/sysv4.h: Likewise.
10858 2001-01-09 Kazu Hirata <kazu@hxi.com>
10860 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10861 Change an argument mode of machine_mode to shift_mode of
10862 shift_mode. Remove an extra error check.
10863 (emit_a_shift): Adopt to the new calling prototype of
10865 (function_prologue): Fix code for a monitor
10866 function. Support H8/S.
10867 (function_epilogue): Do not output pop for a monitor function.
10869 2001-01-09 Nick Clifton <nickc@redhat.com>
10871 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10872 (setup_incoming_varargs): Use sysv_varargs_p field of the
10873 cfun->machine structure.
10874 (struct machine_function): Move to rs6000.h
10875 (rs6000_save_machine_status): Delete.
10876 (rs6000_restore_machine_status): Delete.
10877 (rs6000_init_machine_status): New Function.
10878 (rs6000_free_machine_status): New Function.
10879 (rs6000_init_expanders): Use new functions.
10881 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10883 (struct machine_function): Move here.
10885 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10886 sysv_varargs_p field of the cfun->machine structure.
10888 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10890 (rs6000_restore_machine_status): Remove prototype.
10892 2001-01-09 Richard Henderson <rth@redhat.com>
10894 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10895 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10896 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10897 (sched_analyze_2, sched_analyze_insn): Likewise.
10898 (sched_analyze, init_deps): Likewise.
10899 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10900 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10901 (compute_block_backward_dependences): Update propagate_deps call.
10903 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10905 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10907 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10909 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10910 (cpp_handle_option): Handle them.
10911 (cpp_post_options): Ensure one of -M or -MM is specified with
10912 any other -M? option.
10913 (init_dependency_output): Suppress output with -MG.
10915 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10917 * cpp.texi: Update.
10918 * invoke.texi: Update.
10920 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10922 * sh.md (reload_outsf): Generate recognizable patterns for
10925 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10927 * c-lang.c (lang_hooks): Update.
10928 (lang_init): Rename c_init.
10929 (lang_finish): Remove.
10930 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10931 and lang_finish ().
10932 * toplev.h (lang_hooks): Add init () and finish ().
10933 * tree.h (lang_init, lang_finish): Remove.
10934 * cp/tree.h (lang_init, lang_finish): Remove.
10935 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10936 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10938 (lang_init, lang_finish): Remove.
10939 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10940 (lang_hooks): Update.
10941 * java/lang.c (lang_init): Rename java_init.
10942 (lang_finish): Remove.
10943 (lang_hooks): Update.
10944 * objc/objc-act.c (lang_init): Rename objc_init.
10945 (lang_finish): Remove.
10946 (lang_hoooks): Update.
10948 20001-01-09 Graham Stott <grahams@redhat.com>
10950 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10951 after `ptr` is initialised.
10953 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10955 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10956 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10957 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10958 stack adjusts, instead of r3.
10960 2001-01-09 Michael Hayes <mhayes@redhat.com>
10962 * flow.c (flow_loop_scan): Break out of ...
10963 (flow_loops_find) ... here.
10964 * basic-block.h (flow_loop_scan): New.
10965 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10966 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10968 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10970 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10972 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10973 realloc()ing macro_buffer.
10975 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10976 if it's wider than long and the target's long is wider than the
10979 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10981 Remove support for using UWIN as a host machine.
10982 * configure.in: Issue an error message.
10983 * configure: Regenerated.
10984 * config.gcc: Remove xm_* UWIN configury.
10985 * config/i386/xm-uwin.h: Remove.
10987 2001-01-08 Nick Clifton <nickc@redhat.com>
10989 * config/v850/v850.c (ra_rtx): Delete.
10990 (v850_save_machine_status): Delete.
10991 (v850_restore_machine_status): Delete.
10992 (v850_init_machine_status): New function.
10993 (v850_mark_machine_status): New function.
10994 (v850_free_machine_status): New function.
10995 (v850_return_addr): Use ra_rtx field in machine structure.
10996 (v850_init_expanders): Use new functions.
10998 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10999 * config/v850/v850.c: Change arguments to v850_output+* functions
11000 to take a const char *, to avoid compile time warning.
11001 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11002 (USER_LABEL_PREFIX): Redefine.
11004 2000-01-08 Jim Wilson <wilson@redhat.com>
11006 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11007 1 to unsigned HOST_WIDE_INT before left shift.
11009 2001-01-08 Nick Clifton <nickc@redhat.com>
11011 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11012 the machine structure has been allocated.
11013 (arm_free_machine_status): New function: Free the machine
11014 specific function structure.
11016 2001-01-08 Richard Henderson <rth@redhat.com>
11018 * jump.c (simplejump_p): Revert last change.
11020 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11022 * cppinit.c (init): Rename init_library.
11023 (cpp_create_reader): Update.
11024 * gcc.c (cpp_options): If -o given, use it as the target of
11027 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11029 * arm.c (arm_arch5e): New variable.
11030 (all_cores): XScale is a 5TE device.
11031 (arm_override_options): Set arm_arch5e.
11032 (arm_init_builtins): __builtin_prefetch is in arch5e.
11033 * arm.h (arm_arch5e): Declare it.
11035 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11037 * arm.md (define_constants): Add defines for UNSPEC and
11038 UNSPEC_VOLATILE insns. Update all users.
11039 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11040 * arm.c (multi_register_push, note_invalid_constants)
11041 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11042 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11043 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11045 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11047 * jump.c (jump_optimize_1): Use reversed_comparison_code
11048 instead of can_reverse_comparison_p.
11049 (jump_back_p): Likewise.
11050 (invert_exp_1): Likewise.
11051 (thread_jumps): Likewise.
11052 * simplify-rtx.c (simplify_unary_operation): Likewise.
11053 (simplify_ternary_operation): Likewise.
11054 * cse.c (find_comparison_args): Convert to use
11055 can_reverse_comparison_p.
11056 (record_jump_equiv): Likewise.
11058 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11060 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11061 (EPILOGUE_USES): Define.
11062 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11063 automatically stack the LR if it isn't live.
11065 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11067 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11070 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11072 * ggc-page.c (max_alignment): New structure.
11073 (MAX_ALIGNMENT): New macro.
11074 (init_ggc): Use it to round up the sizes in the
11075 extra_order_size_table.
11077 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11079 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11082 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11084 * builtins.def (BUILT_IN_FPRINTF): New entry.
11086 * c-common.c (c_expand_builtin_fprintf): New function.
11087 (init_function_format_info): Handle __builtin_fprintf.
11088 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11089 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11091 * c-decl.c (duplicate_decls): Adjust comment.
11093 * extend.texi (fprintf): Document new builtin.
11095 2001-01-07 Richard Henderson <rth@redhat.com>
11097 * jump.c (simplejump_p): Recognize any single_set jump
11098 of the proper form.
11100 2001-01-07 Richard Henderson <rth@redhat.com>
11102 * configure.in (slibdir): Accept an --with-slibdir option.
11103 Use "test" not "[" in configure. Default to $(libdir).
11105 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11107 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11108 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11109 (SHLIB_LINK): Create links for the soname.
11110 * config/mips/t-iris6: Likewise.
11111 * config/sparc/t-slibgcc: Likewise.
11112 * config/sparc/t-slibgcc-sld: Likewise.
11114 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11116 * config/i386/i386.c (constant_call_address_operand): Accept
11117 (const (plus (symbol_ref) (const_int))).
11118 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11119 constant_call_address_operand.
11121 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11123 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11124 and LONG_LONG_TYPE_SIZE > 32.
11126 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11128 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11129 the previous change.
11131 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11133 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11135 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11136 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11137 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11140 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11142 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11144 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11146 * c-lang.c (c_post_options): Call cpp_post_options.
11147 * objc/objc-act.c (objc_post_options): Similarly.
11148 * cppmain.c (main): Similarly.
11149 * fix-header.c (read_scan_file): Similarly.
11150 * cppinit.c (cpp_start_read): Move option consistency checks
11151 to cpp_post_options. Don't call init_dependency_output.
11152 If needed, add default target and main file dependency.
11153 (OPT_MD, OPT_MMD): Remove.
11155 (cpp_handle_option): Update for OPT_* changes.
11156 (cpp_post_options): New.
11157 (init_dependency_output): Command line -MF overrides environment
11158 variables. Don't set default target etc. Suppress output
11159 if dependencies are going to stdout.
11160 (print_help): Update.
11161 * cpplib.h (cpp_post_options): New.
11162 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11164 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11166 * jump.c (comparison_dominates_p): Support unordered compares.
11168 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11170 * simplify-rtx.c (simplify_relational_operation): Always simplify
11171 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11174 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11176 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11177 (nonzero_bits): Likewise.
11178 (simplify_comparison): Likewise.
11179 (num_sign_bit_copies): Likewise; return more sane value depending
11180 on STORE_FLAG_VALUE.
11181 (known_cond): Do not assume EQ to be always true for equivalent
11184 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11186 * cse.c (fold_rtx): Handle unordered comparisons.
11188 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11190 * rtlanal.c (set_of_1): New static function.
11191 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11192 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11193 reg_set_last_last_regno): Remove.
11194 (set_of): New global function.
11195 (set_of_data): New structure.
11196 (reg_set_p, reg_set_last): Revamp for set_of.
11197 * rtl.h (set_of): New.
11199 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11201 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11202 * extend.texi: Document _Exit builtin.
11204 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11206 * (initialize, initialize_builtins,
11207 initialize_dependency_output, initialize_standard_includes):
11208 Rename s/initialize/init. Update.
11209 (init_dependency_output): Move to after
11210 cpp_handle_options, the correct location temporally at least.
11211 (opt_comp): Move next to init (), its caller. Fix prototype.
11212 (init): Make "initialized" local scope.
11213 (cpp_create_reader): Always call init ().
11214 (cpp_start_read): Update.
11215 (output_deps): New function, broken out of cpp_finish.
11216 (cpp_finish): Break out output_deps.
11218 2001-01-07 Richard Henderson <rth@redhat.com>
11220 * collect2.c (COFF specific stuff): Revert 12-06 patch
11221 to prototype system functions.
11223 2001-01-07 Michael Hayes <mhayes@redhat.com>
11225 * hard-reg-set.h: Add multiple include guard.
11226 * basic-block.h (struct loop): Add `sink' field.
11227 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11228 (emit_iv_add_mult): Delete.
11229 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11230 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11231 (unroll_loop): Remove end_insert_before argument.
11232 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11233 (maybe_eliminate_biv_1): Likewise.
11234 (emit_iv_add_mult): Delete.
11235 (gen_add_mult, loop_regs_update): New.
11236 (loop_insn_emit_after, loop_insn_emit_before): New.
11237 (loop_insn_sink, loop_insn_sink_or_swim): New.
11238 (emit_iv_add_mult): Delete.
11239 (scan_loop): Set loop->sink.
11240 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11241 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11242 (maybe_eliminate_biv_1): Likewise.
11243 (maybe_eliminate_biv_1): Add basic block argument.
11244 * unroll.c (unroll_loop): Remove end_insert_before argument.
11245 (find_splittable_regs): Likewise.
11246 (find_splittable_regs): Use loop_insn_sink and its ilk.
11247 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11249 2001-01-07 Michael Hayes <mhayes@redhat.com>
11251 * loop.h (loop_insn_hoist): New prototype.
11252 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11253 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11254 (check_dbra_loop, load_mems): Likewise.
11255 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11256 (find_splittable_givs): Likewise.
11258 2001-01-07 Michael Hayes <mhayes@redhat.com>
11260 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11262 2001-01-07 Richard Henderson <rth@redhat.com>
11264 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11266 2001-01-07 Richard Henderson <rth@redhat.com>
11268 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11269 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11270 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11271 variant that handles a shared libgcc.
11272 (process_command): Always validate -{static,shared}-libgcc.
11273 (do_spec_1): New 'M' case.
11274 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11276 2001-01-07 Richard Henderson <rth@redhat.com>
11278 * Makefile.in (slibdir): New variable.
11279 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11280 (installdirs): Create slibdir.
11281 (install-libgcc, install-multilib): Defer to libgcc.mk.
11282 * configure.in (slibdir): Substitute.
11283 * mklibgcc.in (install): New target.
11285 * config/t-linux (SHLIB_LINK): Create links for the soname.
11286 (SHLIB_INSTALL): New.
11287 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11288 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11289 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11290 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11291 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11293 2001-01-07 Richard Henderson <rth@redhat.com>
11295 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11296 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11297 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11299 2001-01-07 Michael Hayes <mhayes@redhat.com>
11301 * loop.c (count_loop_regs_set): Delete.
11302 (load_mems_and_recount_loop_regs_set): Delete.
11303 (loop_regs_scan): Merge common code from count_loop_regs_set,
11304 scan_loop, and load_mems_and_recount_loop_regs_set.
11305 (scan_loop): Call load_mems directly and loop_regs_scan
11306 again if new registers created.
11308 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11310 * toplev.c (main): Call the front-end specific post_options
11311 hook if one is given.
11312 * toplev.h (struct_lang_hooks, lang_hooks): New.
11313 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11314 for the C front end.
11315 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11316 lang_hooks for the C++ front end.
11317 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11318 lang_hooks for the ObjC front end.
11319 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11320 * java/lang.c (lang_hooks): Hooks for the Java front end.
11322 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11324 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11325 for verbose DWARF[2] debugging.
11326 (cb_define, cb_undef): The new callbacks.
11327 * toplev.h (debug_define, debug_undef): Make const correct.
11328 * toplev.c (debug_define, debug_undef): Similarly. Do not
11329 perform the verbosity tests here anymore.
11331 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11333 * reload.c (subst_reloads): Take INSN argument. When
11334 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11335 * reload.h (subst_reloads): Adjust prototype.
11336 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11337 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11338 present in JUMP_INSNs and copy them to JUMP_LABEL.
11339 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11340 JUMP_INSNs and insns with REG_LABELs that are followed by
11341 JUMP_INSNs with the same REG_LABEL.
11342 * sched-rgn.c (is_cfg_nonregular): Likewise.
11343 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11345 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11347 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11349 2001-01-06 Richard Henderson <rth@redhat.com>
11351 * loop.c (scan_loop): Use xcalloc for the regs array.
11352 (load_mems_and_recount_loop_regs_set): Zero the new memory
11353 received from xrealloc.
11355 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11357 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11359 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11361 * integrate.c (copy_rtx_and_substitute): When copying
11362 an ignored return value, strip REG_FUNCTION_VALUE_P.
11364 2001-01-06 Michael Hayes <mhayes@redhat.com>
11366 * loop.c (debug_biv, debug_giv): New.
11367 (loop_biv_dump): Break out from ...
11368 (record_biv): ... here.
11369 (loop_giv_dump): Break out from ...
11370 (record_giv): ... here.
11371 (loop_bivs_check): Use print_simple_rtl.
11372 * unroll.c (loop_iterations): Use print_simple_rtl.
11374 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11376 * pa.md (return, return_internal): Modify patterns to prevent regrename
11377 mucking with the return pointer.
11379 2001-01-05 Richard Henderson <rth@redhat.com>
11381 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11383 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11385 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11386 version supplied by Matteo Frigo.
11388 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11390 * cpp.texi: Update for -MQ.
11391 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11392 (cpp_cleanup): Always free pfile->deps.
11393 (initialize_dependency_output): Don't create pfile->deps.
11394 (cpp_handle_option): Similarly.
11396 * gcc.c (cpp_options): Handle -MQ.
11397 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11398 * mkdeps.c (base_name): Remove.
11399 (deps_init): Don't allocate vector space until it's needed.
11400 (deps_free): Only free vectors if allocated.
11401 (deps_add_target, deps_add_dep): Update for initial allocation.
11402 (deps_add_default_target): Don't strip to the base_name.
11404 2001-01-05 DJ Delorie <dj@redhat.com>
11406 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11407 (INIT_EXPANDERS): Define.
11409 * config/v850/v850.c (struct machine_function): Define.
11410 (v850_save_machine_status): New function.
11411 (v850_restore_machine_status): New function.
11412 (v850_return_addr): New function.
11413 (v850_init_expanders): New function.
11415 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11416 and v850_init_expanders.
11418 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11420 * cpplib.h (struct cpp_reader): Add help_only field.
11421 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11422 (cpp_handle_option): Set pfile->help_only if we see -h,
11423 --help, -target-help, or --version. Print version string but
11424 do not set help_only if we see -v or -version. Make text
11425 printed by -v match that printed by (-)-version.
11427 * cppmain.c (main): Exit after option parsing if
11428 pfile->help_only is true.
11430 * toplev.c (independent_decode_option): Call print_version,
11431 then exit, if we see --version (but not -version).
11432 (print_version): Split lengthy message into two lines.
11434 2001-01-05 Nick Clifton <nickc@redhat.com>
11436 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11437 temporary string for initialisation before calling ggc_alloc_string.
11439 2001-01-06 Michael Hayes <mhayes@redhat.com>
11441 * rtl.h (print_simple_rtl): New.
11442 * print-rtl.c (print_simple_rtl): New.
11443 (flag_simple): New.
11444 (print_rtx): Disable printing of flags and modes, etc.,
11445 if `flag_simple` nonzero.
11447 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11449 * function.c (fixup_var_refs): Use push_to_full_sequence where
11452 2001-01-05 Michael Meissner <meissner@redhat.com>
11454 * flags.h (flag_reorder_blocks): Add declaration.
11455 (flag_rename_block): Ditto.
11457 2001-01-05 DJ Delorie <dj@redhat.com>
11459 * function.c (reorder_blocks): Make sure the flags are all reset
11460 before using them to mark blocks, else a second invocation will
11461 corrupt the block chain.
11462 (reorder_blocks_0): New, resets the flags.
11464 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11466 * cse.c (find_comparison_args): Stop if the argument is known to
11469 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11471 * config/sh/sh.md (movdf): When splitting load into pair of
11472 registers, don't clobber the register used in the address too
11475 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11477 * varasm.c (mark_constant_pool): Improve initial comments.
11478 (mark_constants): Move marking of constants to mark_constant.
11479 (mark_constant): New function to recursively mark all constants
11480 referred to by a constant.
11482 2001-01-05 Catherine Moore <clm@redhat.com>
11484 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11486 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11488 * cp/lang-options.h: Bring comment in line with reality.
11489 * f/lang-options.h: Likewise.
11490 * java/lang-options.h: Likewise.
11491 * objc/lang-options.h: Likewise.
11492 * ch/lang-options.h: Likewise.
11493 * f/g77.texi: And update the manual.
11495 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11496 Denis Chertykov <denisc@overta.ru>
11498 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11499 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11500 * config/avr/avr.md (all peepholes that request a scratch register):
11501 Call it, FAIL the peephole if not safe (in interrupt functions).
11503 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11505 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11507 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11509 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11511 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11512 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11513 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11514 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11515 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11517 * extend.texi: Document these builtins.
11519 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11521 * c-common.c (lang_get_alias_set): Say we know nothing of
11522 VECTOR_TYPE aliasing.
11524 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11526 2001-01-05 Bruce Korb <bkorb@gnu.org>
11528 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11529 their x* equivalent versions for atexit-less systems
11530 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11531 systems (or any other system any more).
11533 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11535 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11536 output operands. Use arm_hard_register_operand for operand 4.
11537 (stmsi_postinc): Similarly.
11538 (ldmsi): Use arm_hard_register_operand for opernand 2.
11539 (stmsi): Similarly.
11540 * arm.c (arm_hard_register_operand): New function.
11541 * arm-protos.h (arm_hard_register_operand): Prototype it.
11543 * arm.h (HARD_REGNO_RENAME_OK): Define.
11545 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11547 * simplify-rtx.c (cfc_args): add "unordered" field.
11548 (check_fold_consts): Set unordered field.
11549 (simplify_relational_operation): Simplify the unordered
11552 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11555 * emit-rtl.c (try_split): Fix code to mark labels.
11556 * jump.c (mark_jump_label): Make global.
11557 * rtl.h (mark_jump_label): Declare.
11559 * predict.c (estimate_probability): Handle unordred comparisons.
11561 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11563 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11564 * cppinit.c (initialize_dependency_output): Update.
11565 (cpp_finish): Output dummy targets for -MP.
11567 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11568 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11569 * gcc.c (cpp_options): Update to handle -MP.
11570 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11571 to quote only the default target.
11572 (deps_phony_targets): Insert a preceding newline. Rename from
11573 deps_dummy_targets for consistency.
11576 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11578 * calls.c (emit_library_call_value_1): Support
11579 INIT_CUMULATIVE_LIBCALL_ARGS.
11580 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11582 2001-01-04 Richard Henderson <rth@redhat.com>
11584 * c-decl.c (finish_struct): Detect flexible array members
11585 used in an inappropriate context.
11586 * c-typeck.c (really_start_incremental_init): Special case
11587 constructor_max_index for zero length arrays.
11588 (pop_init_level): Allow initialization of flexible array
11589 members. Deprecate initialization of zero length arrays.
11590 Don't issue missing initializer warning for flexible array
11591 members or zero length arrays.
11592 (process_init_element): Don't dereference null DECL_SIZE.
11593 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11594 Don't abort for empty constructors. Use size_binop
11595 (output_constructor): Add commentary regarding zero length
11596 array futures. Abort if we try to initialize an array of
11597 unspecified length with a non-empty constructor in the middle
11600 * extend.texi (Zero Length): Update and clarify documentation
11601 on static initialization.
11603 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11605 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11606 with more than 32767 words of local storage.
11608 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11610 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11611 for 'abs', 'labs', and 'fabs'.
11612 (c4x_expand_builtin): Likewise.
11613 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11615 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11617 * config/sh/sh.md (prget, prset): New insn types.
11618 (return delay slot): Dont' allow prset.
11619 (call, sfunc delay slot): Don't allow prget.
11620 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11621 for prset and prget.
11623 2001-01-05 Michael Hayes <mhayes@redhat.com>
11625 * loop.h (struct loop_reg): New.
11626 (struct loop_regs): Change to use array of `struct loop_reg'.
11627 * loop.c: Replace assortment of varrays with single regs array.
11628 (count_one_set): Delete may_not_move array argument
11629 and use regs array instead. All caller's changed.
11630 (count_loop_regs_set): Delete may_not_move and single_usage
11631 arguments and use regs array instead. All caller's changed.
11632 (find_single_use_in_loop): Replace usage array argument with pointer
11633 to regs structure. All caller's changed.
11634 (loop_optimize): Delete `moved_once' array.
11636 2001-01-05 Michael Hayes <mhayes@redhat.com>
11638 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11639 Use it instead of loop_info->has_call for scanning loop mems.
11640 (check_dbra_loop): Replace loop_info->has_call test with
11641 loop_info->has_nonconst_call.
11643 2000-01-04 Matthew Hiller <hiller@redhat.com>
11645 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11648 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11650 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11651 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11653 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11655 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11656 (flag_short_double, flag_short_wchar): Define.
11657 (c_common_nodes_and_builtins): Create many tree nodes shared
11658 between C and C++ here instead of in cp/decl.c and ...
11659 * c-decl.c (init_decl_processing): ... here.
11660 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11661 (flag_short_double, flag_short_wchar): Don't define.
11662 (record_builtin_type): New function.
11663 (build_void_list_node): New function.
11664 * c-common.h (flag_short_double, flag_short_wchar,
11665 record_builtin_type, build_void_list_node): Declare.
11667 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11669 * integrate.c (expand_inline_function): Don't put a virtual
11670 register into the reg map.
11672 * function.c (fixup_var_refs_1): If force_operand didn't put
11673 the address into the target, move it there.
11675 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11677 Special-case tree_decl/tree_list allocations.
11678 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11679 (OBJECT_SIZE): New macro.
11680 (NUM_EXTRA_ORDER): Likewise.
11681 (extra_order_size_table): New variable.
11682 (NUM_ORDERS): New macro.
11683 (objects_per_page_table): New variable.
11684 (object_size_table): New variable.
11685 (G.pages): Use NUM_ORDERS to bound the array.
11686 (G.page_tails): Likewise.
11687 (DIV_ROUND_UP): Remove.
11688 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11689 (alloc_page): Use OBJECT_SIZE.
11690 (size_lookup): Don't make it const.
11691 (ggc_alloc): Use OBJECT_SIZE.
11692 (ggc_set_mark): Likewise.
11693 (ggc_get_size): Likewise.
11694 (init_ggc): Set up the object_size_table, objects_per_page_table,
11695 and adjust size_lookup.
11696 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11697 (ggc_pop_context): Use NUM_ORDERS.
11698 (clear_marks): Likewise.
11699 (sweep_pages): Likewise.
11700 (poison_pages): Likewise.
11701 (ggc_print_statistics): Use OBJECT_SIZE.
11703 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11705 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11706 Only call array_size_for_constructor if last field and array type
11707 with no upper bound.
11709 2001-01-04 Philip Blundell <philb@gnu.org>
11711 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11712 from bit 31 downwards, if this requires no more insns.
11713 (count_insns_for_constant): New helper function for above.
11715 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11717 * gencodes.c (output_predicate_decls): Remove empty initializer.
11719 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11721 * tree.c (copy_node): Remove documentation about obstacks.
11722 (buidl1): Check that nobody tries to build 2-argument nodes this
11725 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11727 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11730 * gencodes.c (output_predicate_decls): Fill empty initializer
11733 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11735 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11736 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11738 (do_include): Handle missing headers like cpp0.
11739 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11740 paths with first include pathname. Don't strcat to uninitialized
11743 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11745 * regrename.c (regrename_optimize): Don't rename from frame pointer
11746 if frame_pointer_needed.
11747 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11748 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11749 (ia64_reorg): Use it instead of scheduling if ! optimize.
11750 (errata_emit_nops): Properly call asm_noperands.
11751 (ia64_sched_reorder): Finish cycle if we see an asm.
11752 (ia64_variable_issue): Clear scheduling state after asms.
11754 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11756 * cpp.texi: Update for -MT.
11757 * cppinit.c (initialize_dependency_output): Add a default
11758 target if none has been given already.
11759 (no_tgt, OPT_MT): New.
11760 (cpp_handle_option): Handle -MT. Update -M etc.
11761 * cpplib.h (struct cpp_options): Remove deps_target.
11762 * gcc.c (cpp_options): Handle -MT.
11763 * mkdeps.c (struct deps): Move from mkdeps.h.
11764 (deps_calc_target): Rename deps_add_default_target. Add a
11765 default target if none has been specified already.
11766 * mkdeps.h (struct deps): Move to mkdeps.c.
11767 (deps_calc_target): Rename deps_add_default_target.
11769 2000-01-03 Richard Henderson <rth@redhat.com>
11771 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11773 * c-typeck.c (push_init_level): Move checks for flexible array
11774 members and zero length arrays ...
11775 (pop_init_level): ... here. Silently discard empty initializations.
11777 * varasm.c (output_constructor): Update for sizeof change to
11778 zero-length arrays.
11780 * extend.texi (Zero Length): Clarify semantics.
11782 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11784 * configure.in (tm.h): Include isns-codes.h last.
11785 * configure: Rebuilt.
11787 2001-01-03 Richard Henderson <rth@redhat.com>
11789 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11790 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11792 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11794 * tradcpp.c (main): Make sure finclude() is called with a valid
11795 indepth value while handling -include.
11797 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11799 * gencodes.c (output_predicate_decls): New function.
11801 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11802 even if it is not the first time machmode.h is #included.
11803 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11804 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11805 * gcc.texi (Copyright): Added 2001.
11807 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11809 * c-common.c (c_common_lang_init): New function. Warn if format
11810 warning options which only have effects when used with -Wformat
11811 are used without -Wformat.
11812 * c-common.h (c_common_lang_init): Declare.
11813 * c-lang.c (lang_init): Call c_common_lang_init.
11814 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11816 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11818 * configure.in: Check for the mktemp command.
11819 * configure: Regenerate.
11820 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11821 $TEMP. Create temporary files with mktemp, if available at
11822 configure time; otherwise use set -C. Remove temporary files
11825 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11827 * configure.in: Require at least texinfo 4.0. Check for whether
11828 Pod::Man is sufficiently recent to regenerate GCC manpages.
11829 * configure: Regenerate.
11830 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11832 (GENERATED_MANPAGES): Define.
11833 (generated-manpages): New target. Depend on cpp.1 as well as
11835 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11836 configure to generated-manpages or empty) rather than on the
11837 manpages directly. Remove execute permission from installed
11838 gcov.1 as well as cpp.1.
11839 * cpp.1, gcov.1: Regenerate.
11841 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11843 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11844 tree_low_cst. Allow using cmpstrsi in more cases.
11846 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11848 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11851 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11853 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11854 * Makefile.in (HOST_CFLAGS): Mention build-make.
11856 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11858 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11861 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11863 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11866 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11869 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11870 reg_base_value and reg_known_value arrays.
11871 (init_alias_analysis): Add more cases to detect known values.
11872 * sched-deps.c (deps_may_trap_p): New function.
11873 (sched_analyze_2): Use it.
11875 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11877 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11878 don't discard an ASHIFTRT if we're shifting in a wider mode.
11880 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11882 * toplev.c (rest_of_compilation): Don't print basic block information
11883 when CFG isn't up to date.
11885 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11887 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11888 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11889 (UNALIGNED_SHORT_ASM_OP): Define.
11890 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11892 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11894 * fold-const.c (fold_convert): Fix typo.
11896 2001-01-02 Richard Henderson <rth@redhat.com>
11898 * c-common.h (ASM_INPUT_P): New.
11899 * c-parse.in (asm): Set it when needed.
11900 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11901 existance of an operand.
11903 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11905 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11906 (dwarf2out_frame_debug_expr): Likewise.
11907 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11909 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11911 * i386.c (ix86_split_to_parts): Return number of part required;
11913 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11915 (ix86_split_long_move): Use number of part returned
11916 by ix86_split_to_parts
11917 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11919 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11920 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11921 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11922 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11923 (ALIGN_MODE_128): Add TFmode.
11924 (IS_STACK_MODE): Likewise.
11925 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11926 (HARD_REGNO_OK): Support TFmodes.
11927 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11928 * i386.md (scheduler definitions): Use memory operand to determine
11929 fst/fld instructions; use mode attribute to determine real mode of
11931 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11932 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11934 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11936 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11938 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11940 * expr.c (store_constructor_field): Update ALIGN before calling
11943 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11945 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11948 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11950 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11953 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11955 * c-decl.c (start_function): Don't warn on third parameter to main.
11957 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11959 * tsystem.h: Define HAVE_DECL_GETOPT.
11961 2001-01-02 Philip Blundell <pb@futuretv.com>
11963 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11966 2001-01-02 Richard Henderson <rth@redhat.com>
11968 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11970 2001-01-02 Andreas Jaeger <aj@suse.de>
11972 * c-decl.c (c_decode_option): Remove support of
11973 -Wmissing-noreturn.
11975 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11976 (W_options): Add -Wmissing-noreturn here.
11978 * flow.c: Define lang_missing_noreturn_ok_p.
11979 (check_function_return_warnings): Use it.
11981 * c-common.h: Declare lang_missing_noreturn_ok_p.
11983 * c-lang.c (c_missing_noreturn_ok_p): New function.
11984 (lang_init): Set lang_missing_noreturn_ok_p.
11986 * invoke.texi (Warning Options): Document this.
11988 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11990 * extend.texi (C++ Extensions): New node for C++ attributes;
11991 describe init_priority and com_interface.
11992 * invoke.texi: Remove -finit-priority as it now has zero effect.
11993 * install.texi: Fix xref syntax.
11994 * md.texi: Likewise.
11996 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11998 * config.gcc (sparc64-wrs-vxworks*): New case.
11999 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12001 * config/sparc/sparc.c (sparc_override_options): Do support different
12002 pointer and architecture size.
12003 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12004 (POINTERS_EXTEND_UNSIGNED): Define.
12005 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12006 (FUNCTION_MODE): Define to be Pmode.
12007 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12009 * function.c (expand_function_end): Properly handle DECL_RESULT
12010 and copy when ptr_mode != Pmode.
12011 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12013 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12015 * c-common.c (c_common_nodes_and_builtins): Set prototype
12016 parameters for __builtin_fputs, __builtin_fputc and
12017 __builtin_fwrite. Don't declare plain fputc as a builtin.
12019 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12021 * loop.c (add_label_notes): Increment the label usage count when
12022 a note is added to an insn which refers to a CODE_LABEL.
12023 * gcse.c (add_label_notes): Likewise.
12025 2001-01-01 Andreas Jaeger <aj@suse.de>
12027 * loop.c (scan_loop): Use xmalloc to allocate movables.
12029 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12031 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12032 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12033 * reload1.c (REGISTER_MOVE_COST): Likewise.
12034 * regclass.c (REGISTER_MOVE_COST): Likewise.
12035 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12036 dimension. Adjust all users.
12037 (init_reg_sets_1): Iterate on all modes.
12038 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12039 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12040 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12041 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12042 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12043 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12044 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12045 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12046 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12047 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12048 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12049 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12050 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12051 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12052 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12053 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12054 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12055 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12056 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12057 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12058 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12059 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12060 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12061 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12062 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12063 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12064 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12066 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12068 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12069 arg VARIES_P. Call it with extra arg.
12070 (true_dependence): Likewise.
12071 * rtl.h (rtx_addr_can_trap_p): Declare.
12072 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12074 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12075 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12076 pic offset table register if it's zero. All callers changed.
12077 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12079 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12081 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12082 STRING_POOL_ADDRESS_P.
12084 * config/sparc/sparc.c (input_operand): Properly test for short op.
12086 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12087 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12088 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12089 * config/sparc/elf.h: No longer include sol2.h.
12090 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12091 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12093 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12095 2001-01-01 Michael Hayes <mhayes@redhat.com>
12097 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12098 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12099 (record_initial): Likewise.
12100 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12101 (remap_split_bivs): Likewise.
12103 2001-01-01 Michael Hayes <mhayes@redhat.com>
12105 * loop.c (loop_ivs_free): New function.
12106 (strength_reduce): Break out from...
12108 2001-01-01 Michael Hayes <mhayes@redhat.com>
12110 * loop.h (struct iv): New.
12111 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12112 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12113 'reg_biv_class' fields with 'regs' and 'n_regs'.
12114 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12115 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12116 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12118 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12120 * resource.c (mark_referenced_resources): Abort() before
12121 attempting to mark a pseudo register.
12122 (mark_set_resources): Likewise.
12124 2001-01-01 Michael Hayes <mhayes@redhat.com>
12126 * loop.h (REG_IV_CLASS): New accessor macro.
12127 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12128 * unroll.c (REG_IV_CLASS): Likewise.
12130 See ChangeLog.4 for earlier changes.