1 2001-05-30 Tom Tromey <tromey@redhat.com>
3 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
4 use it in the new association.
6 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
7 John David Anglin <dave@hiauly1.hia.nrc.ca>
9 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
10 to target type to allow ISO C++ compiler to accept it.
11 * gthr-dce.h (__gthread_active_ptr): Likewise.
12 * gthr-solaris.h (__gthread_active_ptr): Likewise.
14 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
16 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
17 so that we do accept comments in preprocessed input.
19 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
21 * cpphash.c (alloc_node): Cast allocated pointer.
23 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
25 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
27 2001-05-29 Stan Shebs <shebs@apple.com>
29 * gcc.texi: Add links for information about Objective-C.
31 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
33 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
34 /bin/sed fails on [^\"]).
35 (configargs.h): Likewise.
37 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
39 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
41 2001-05-28 Stan Shebs <shebs@apple.com>
43 * objc/objc.gperf: Remove, no longer used.
45 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
47 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
48 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
49 Remove trailing whitespace.
51 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
53 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
54 became http://freeware.sgi.com/.
56 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
58 * local-alloc.c (update_equiv_regs): Don't eliminate constant
61 2001-05-27 Stan Shebs <shebs@apple.com>
63 * objc/objc-act.c: Add/fix various comments.
64 (init_selector): Remove, no longer used.
65 (build_msg_pool_reference): Ditto.
68 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
70 * c-decl.c (init_decl_processing):
71 Don't call start_identifier_warnings.
72 * flags.h (warn_id_clash, id_clash_len): Remove.
73 * stringpool.c: Don't include flags.h.
74 (scan_for_clashes, do_identifier_warnings,
75 start_identifier_warnings): Remove.
76 * toplev.c (warn_id_clash, id_clash_len): Remove.
77 (display_help): Don't document -Wid-clash.
78 (decode_W_option): Print warning on -Wid-clash.
79 * tree.h (start_identifier_warnings): Remove.
80 * invoke.texi: Remove documentation of -Wid-clash.
82 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
84 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
86 2001-05-27 Bruce Korb <bkorb@gnu.org>
88 * fixinc/check.tpl(HACK) add and use a Scheme variable
89 (has no test text): error out if no "test_text" is defined
90 * fixinc/fixincl.tpl: likewise
91 (FIXIDX): make it an enumeration so we minimize diffs
92 * fixinc/inclhack.def: re-alphabetize and add sort instructions
93 * fixinc/fixincl.x: regenerate
94 * fixinc/tests/base/stdio.h: test output got moved due to
96 * README-fixinc: rewrite (mostly)
98 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
100 * cpplib.c (run_directive): Set pfile->directive.
102 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
104 * c-tree.texi: Reformat the manual as a single chapter now
105 included by gcc.texi.
106 * gcc.texi: Include c-tree.texi. Merge all indexes.
107 * Makefile.in (dvi): Add generation for the cppinternals
108 documentation. Added dependencies on fdl.texi and c-tree.texi
109 where appropriate. Use TEXI2DVI instead of custom tex calls.
110 (info): Added dependencies on fdl.texi and c-tree.texi where
111 appropriate. Remove the target c-tree.info.
113 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
115 * combine.c (try_combine): Fix typo in comment.
116 * expr.c (expand_expr): Likewise.
117 * config/i370/i370.md (untyped_call): Likewise.
119 2001-05-26 Bruce Korb <bkorb@gnu.org>
121 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
122 when fixincl is operating in test mode
123 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
124 (AAB_ultrix_limits): remove redundant text
125 (AAB_ultrix_memory): ditto
126 (AAB_ultrix_string): ditto
127 (djgpp_wchar_h): fix the test text
128 (irix_stdio_va_list): add test text
129 (irix_limits_const): add a testing output file (limits.h is overwritten)
130 (strict_ansi_not_ctd): put limits.h second in list for same reason
131 (solaris27_mutex_init): test text needed selection text, too
133 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
134 when fixincl is operating in test mode
136 2001-05-26 Philip Blundell <philb@gnu.org>
138 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
139 * config/i960/i960-protos.h: Likewise.
140 * config/i370/i370-protos.h: Likewise.
141 * config/h8300/h8300-protos.h: Likewise,
142 * config/sh/sh-protos.h: Likewise.
143 * config/v850/v850-protos.h: Likewise.
145 2001-05-26 Philip Blundell <philb@gnu.org>
147 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
149 2001-05-25 Zack Weinberg <zackw@stanford.edu>
151 * toplev.c (debug_args, f_options, W_options): Mark
152 descriptions for translation.
153 (display_help): Translate descriptions on output.
155 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
156 objc/lang-options.h: Mark descriptions for translation.
158 * aclocal.m4: Quote final argument of patsubst. Use
159 3-argument form of AC_DEFINE. Restore quotes to [] while
161 * configure.in: Remove unnecessary changequote calls.
162 * configure, config.in: Regenerate.
164 2001-05-25 Sam TH <sam@uchicago.edu>
166 * basic-block.h: Fix header include guards.
167 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
168 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
169 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
170 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
171 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
172 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
173 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
174 varray.h version.h: Likewise.
175 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
176 config/arm/arm.h config/c4x/c4x-protos.h
177 config/h8300/h8300-protos.h config/h8300/h8300.h
178 config/i370/i370-protos.h config/i370/i370.h
179 config/i960/i960-protos.h config/mcore/mcore.h
180 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
181 config/v850/v850-protos.h config/v850/v850.h: Likewise.
182 * fixinc/fixlib.h fixinc/server.h: Likewise.
184 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
186 * config/arc/initfini.c (.init): Fix typo.
188 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
190 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
192 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
194 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
196 2001-05-25 Richard Henderson <rth@redhat.com>
198 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
200 2001-05-25 Richard Henderson <rth@redhat.com>
202 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
203 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
204 (sparc*-*-solaris2): Likewise.
205 * config/t-linux: Remove shared libgcc macros.
206 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
207 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
209 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
211 * config.gcc (*-*-freebsd*): Report bad configuration.
213 2001-05-25 David Edelsohn <edelsohn@gnu.org>
215 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
217 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
219 (ASM_OUTPUT_LABELREF): Delete.
221 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
223 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
224 strict_ansi_only): Don't run if stdc_0_in_system_headers.
225 * fixinc/fixincl.x: Regenerate.
226 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
227 (FIX_TEST_TABLE): Declare it.
228 * fixinc/fixlib.h: Include config.h.
230 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
232 * fixinc/inclhack.def (alpha___assert): Change char * args to
233 const char * on Tru64 UNIX to avoid excessive warnings from
235 * fixinc/fixincl.x: Regenerate.
237 2001-05-25 Geoff Keating <geoffk@redhat.com>
239 * dbxout.c (dbxout_symbol): Invert previous patch, which was
240 outputting a tag only for variable-size records.
242 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
244 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
245 instead of rtx_equal_p for early clobber test.
247 2001-05-26 Mark Mitchell <mark@codesourcery.com>
249 * builtins.def: Encode additional information, such as names and
251 * builtin-types.def: New file.
252 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
253 (built_in_decls): Likewise. Don't explicitly initialize global
255 (expand_builtin_mathfn): Handle float and long double variants of
257 (expand_builtin): Likewise.
258 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
259 (expand_tree_builtin): Handle long, long long, float, and long
260 double variants of math functions.
261 * c-common.h (c_tree_index): Remove some unused nodes.
262 (void_ftype): Remove.
263 (void_type_ptr): Likewise.
264 (int_ftype_int): Likewise.
265 (ptr_ftype_sizetype): Likewise.
266 * c-decl.c (init_decl_processing): Remove creation of DWARF
268 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
269 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
270 * Makefile.in (c-common.o): Depend on builtin-types.def.
272 2001-05-25 Dale Johannesen <dalej@apple.com>
274 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
276 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
278 * c-parse.in (notype_initdcl): Remove redundant line.
280 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
282 * aclocal.m4: Fixed typo.
283 (gcc_AC_HEADER_STDBOOL): Define.
284 (gcc_AC_C__BOOL): Define.
285 * configure.in: Use them.
286 (AC_CHECK_HEADERS): Remove stdbool.h
287 * configure, config.in: Regenerate.
289 2001-05-25 Richard Henderson <rth@redhat.com>
291 * function.c (expand_function_start): Don't abort on PARALLEL
292 returns from hard_function_value.
294 2001-05-25 Richard Henderson <rth@redhat.com>
296 * config/i386/i386.md: Revert previous change. Do not apply
297 the peephole if the components do not die after the sequence.
299 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
301 * c-parse.in (array_declarator): New. Handle C99 constructs.
302 Don't restrict [*] declarators to C only.
303 (after_type_declarator, parm_declarator_starttypename,
304 parm_declarator_nostarttypename, notype_declarator,
305 direct_absdcl1): Use it.
306 * c-decl.c (build_array_declarator, set_array_declarator_type):
307 New functions. Warn that [*] isn't properly implemented; pedwarn
308 for [*] outside C99 mode if pedantic rather than giving a hard
310 (grokdeclarator): Handle static and type qualifiers in parameter
312 * c-tree.h (build_array_declarator, set_array_declarator_type):
314 * extend.texi (Attribute Syntax): Document attributes in parameter
317 2001-05-25 Mark Mitchell <mark@codesourcery.com>
319 * config/i386/i386.md: Make sure cmpstr peepholes do not
320 affect liveness information.
322 2001-05-24 Mark Mitchell <mark@codesourcery.com>
324 * c-typeck.c (digest_init): Issue error messages about
325 invalid constants, not warnings.
327 2001-05-24 Mark Mitchell <mark@codesourcery.com>
329 * invoke.texi (-fno-builtin): Document that this is always on
332 2001-05-24 Philip Blundell <philb@gnu.org>
334 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
337 2001-05-24 Philip Blundell <philb@gnu.org>
339 * config/arm/arm.c (output_return_instruction): Correctly handle
340 interworking and interrupt functions.
342 2001-05-24 Philip Blundell <philb@gnu.org>
344 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
345 -m{no-}sched-prolog. Fix typos and improve formatting.
347 2001-05-24 Philip Blundell <philb@gnu.org>
349 * invoke.texi (ARM Options): Improve wording slightly. Add
350 documentation for more options, including those for Thumb mode.
351 Don't mention options that don't exist or are unimplemented.
352 (Thumb Options): Delete; merged into above section.
354 2001-05-24 Geoff Keating <geoffk@redhat.com>
356 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
357 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
359 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
361 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
362 fix hard register simplification.
364 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
366 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
367 of just copying CPP_CPU_SPEC.
369 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
371 * i386.c (incdec_operand): Accept only 1 and -1.
373 2001-05-23 Kelley Cook <kelley.cook@home.com>
375 * Makefile.in: Move many of the *_H definitions eariler in the
376 file, so that rules in t-* files that use them for
377 dependencies will work in a parallel build.
378 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
380 2001-05-23 Richard Henderson <rth@redhat.com>
382 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
384 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
386 * cpp.texi: Update for handling of charconsts.
387 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
388 diagnostics. Skip to the end if the UCS is too short.
389 (cpp_interpret_charconst): Long charconsts issue a warning
392 2001-05-23 Richard Henderson <rth@redhat.com>
394 * doc/install.texi (alpha-linux): Require binutils 2.11.
396 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
398 * c-lex.c (read_escape, read_ucs): Delete.
399 (lex_string): Use cpp_parse_escape.
400 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
401 if not C++ or not C99. Warn if traditional.
402 (parse_escape): Rename cpp_parse_escape. Make the bitmask
403 unsigned. Warn for out-of-range escape sequences here.
404 Update to use maybe_read_ucs.
405 (cpp_interpret_charconst): Don't warn here.
406 * cpplib.h (cpp_parse_escape): New exported function.
408 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
410 * extend.texi (Attribute Syntax): Clarify application of
411 attributes to parameters declared as functions or arrays.
413 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
415 * dbxout.c (dbxout_type_methods): Do still group methods by name.
417 2001-05-23 Zack Weinberg <zackw@stanford.edu>
419 * diagnostic.c (vnotice): Kill.
420 (fnotice): Call vfprintf directly.
421 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
422 verbatim, set_diagnostic_context): Rename string argument to
423 indicate that it is run through gettext.
424 (vbuild_message_string, build_message_string, output_do_printf):
425 Rename string argument to indicate that it is NOT run through
427 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
428 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
429 Run msgid argument through gettext.
430 (default_print_error_function): Run constant strings through
431 gettext when nothing else will.
432 (fatal_error, internal_error, error_recursion): Use fnotice.
433 Present complete sentences to gettext.
435 2001-05-23 Mark Mitchell <mark@codesourcery.com>
437 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
439 2001-05-23 Richard Henderson <rth@redhat.com>
441 * function.c (expand_function_start): Always use a pseudo
442 for the function result value.
444 2001-05-22 Richard Henderson <rth@redhat.com>
446 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
447 section pointer alignment.
449 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
451 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
452 of __USER_LABEL_PREFIX__.
454 2001-05-22 Richard Henderson <rth@redhat.com>
456 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
457 (__deregister_frame_info_bases): New.
458 * unwind-dw2-fde.h: Declare it.
459 * libgcc-std.ver: Export it.
460 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
461 called __register_frame_info_bases.
463 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
465 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
466 instead of #elif (which is OK for this case but not in general).
468 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
470 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
471 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
472 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
473 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
474 "r2" to the assembly file. Only issue allocs with non-zero parameters.
476 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
477 David O'Brien <obrien@freebsd.org>
479 * config/freebsd.h (LIB_SPEC): Key the exact setting to
480 configure-time options and target version of FreeBSD. Set-up
481 to match architectural change in threading support. Correctly
482 report when -pthread option is not supported by configure-time
484 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
485 and extend to encode target version number in run-time setting
486 of __FreeBSD__ macro to match the system compiler.
487 (CPP_PREDEFINES): Likewise.
488 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
490 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
491 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
493 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
494 David O'Brien <obrien@freebsd.org>
496 * config.gcc (the unlabeled system switch statement): Add
497 generic configuration section to handle *-*-freebsd*. Also,
498 to match the system compiler, default to threading support (it
499 may be disabled with the standard --disable-threads
500 configuration-time switch).
501 (i[34567]86-*-freebsd* in machine-specific section): Use it.
502 (alpha*-*-freebsd* in machine-specific section): Likewise.
504 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
505 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
506 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
507 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
508 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
510 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
511 David O'Brien <obrien@freebsd.org>
513 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
514 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
515 -pthread instead setting macro.
517 2001-05-22 Richard Henderson <rth@redhat.com>
519 * crtstuff.c (__register_frame_info_bases): Declare.
520 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
521 (__do_global_dtors_aux, __do_global_dtors): Streamline.
523 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
524 (CRT_GET_RFIB_DATA): New.
525 * config/i386/sysv4.h: Likewise.
526 * config/i386/sco5.h: Likewise.
527 (ASM_PREFERRED_EH_DATA_FORMAT): New.
529 2001-05-22 Richard Henderson <rth@redhat.com>
531 * rtl.c (read_string): Break out from ...
532 (read_rtx): ... here.
534 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
536 * doc/install.texi (Specific): Remove a bogus and duplicate part
537 copied from the end of the document.
539 2001-05-22 Bernd Schmidt <bernds@redhat.com>
541 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
543 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
545 * install.texi: Remove obsolete information on SunOS as well as
546 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
547 (Installing GNU CC on the Sun): Remove section.
549 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
551 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
552 keep errno unchanged on success.
554 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
556 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
557 once for hexadecimal floats, whether or not they contain a decimal
558 point. Don't let the setting of pedantic otherwise affect the
559 parsing of hexadecimal floats.
561 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
563 * README.ACORN: Remove obsolete file.
565 2001-05-22 Jan Hubicka <jh@suse.cz>
567 * combine.c (gen_binary): Use swap_commutative_operands_p
568 (simplify_comparison): Likewise.
569 * expmed.c (emit_store_flag): Likewise.
570 * expr.c (compare_from_rtx): Likewise.
571 (do_compare_rtx_and_jump): Likewise.
572 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
573 if not emitting a branch and operands want swapping.
575 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
577 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
578 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
579 (maybe_get_identifier): Update.
580 * tree.h (make_identifier): Delete.
582 2001-05-21 Richard Henderson <rth@redhat.com>
584 * combine.c (subst): Do not substitute for a register as
585 a destination subreg/strict_low_part/zero_extract.
587 * combine.c (simplify_comparison): Update op1 after constant
589 * recog.c (const_int_operand): Accept only constants valid
591 * genrecog.c: Update comments wrt const_int_operand.
593 * emit-rtl.c (init_emit_once): Zero unused memory in a
596 2001-05-21 Mark Mitchell <mark@codesourcery.com>
598 * tree.h (type_num_arguments): Declare it.
599 * tree.c (type_num_arguments): New function.
601 2001-05-21 Richard Henderson <rth@redhat.com>
603 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
606 2001-05-21 Geoff Keating <geoffk@redhat.com>
608 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
610 (minsf3): Use rs6000_emit_minmax.
611 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
613 (movsfcc): Use rs6000_emit_cmove.
614 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
615 Don't generate emit_fselsfsf4.
616 (fseldfsf4): Likewise.
617 (maxdf3): Use rs6000_emit_minmax.
619 (mindf3): Use rs6000_emit_minmax.
620 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
622 (movdfcc): Use rs6000_emit_cmove.
623 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
624 Don't generate emit_fselsfsf4.
625 (fselsfdf4): Likewise.
626 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
627 (min_max_operator): New predicate.
628 (rs6000_emit_cmove): New function.
629 (rs6000_emit_minmax): New function.
630 * config/rs6000/rs6000-protos.h: Prototype new functions.
631 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
632 and min_max_operator.
634 * config/rs6000/rs6000.c (output_cbranch): Handle all
635 conditional types in the switch statement.
637 2001-05-21 Mark Mitchell <mark@codesourcery.com>
639 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
640 non-register variables.
641 * extend.texi: Document that asm-specifications do not make sense
642 for non-static local variables.
644 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
646 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
647 (dbxout_type_fields): Lose minimal_debug support.
648 (dbxout_type_methods, dbxout_type): Likewise.
650 2001-05-17 Andrew Haley <aph@redhat.com>
652 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
654 2001-05-21 Richard Henderson <rth@redhat.com>
656 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
659 2001-05-20 Richard Henderson <rth@redhat.com>
661 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
662 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
663 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
664 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
665 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
667 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
668 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
669 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
670 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
671 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
672 DEBUG_PUBNAMES_SECTION): Rename as above.
673 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
675 2001-05-20 Richard Henderson <rth@redhat.com>
677 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
678 operands unless the operation is commutative.
680 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
685 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
687 * extend.texi: Clarify documentation of extensions included in ISO
688 C99. Prefer C99 terminology and syntax to old GNU terminology and
689 syntax. Add more index entries. Document mixed declarations and
690 code as an extension in C89 mode. Warn about future changes to
691 semantics of inline functions. Fixes PR other/930.
693 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
695 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
696 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
697 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
698 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
700 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
702 2001-05-20 Richard Henderson <rth@redhat.com>
704 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
705 to be output before a branch.
707 2001-05-20 Richard Henderson <rth@redhat.com>
709 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
711 2001-05-20 Richard Henderson <rth@redhat.com>
713 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
714 (ASM_DOUBLE): Remove.
715 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
716 * config/i386/sun386.h: Likewise.
718 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
719 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
721 * config/i386/cygwin.h (INT_ASM_OP): Remove.
722 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
723 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
724 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
726 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
727 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
728 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
729 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
730 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
731 * config/i386/win32.h: Likewise.
733 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
735 * invoke.texi: Add more options to summary list.
737 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
739 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
740 used. Fixes PR c/2291.
743 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
745 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
746 the -fpic and -fPIC options, clear flag_pic.
748 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
750 * hashtable.c (calc_hash): Fix HASHSTEP definition.
751 * stringpool.c (make_identifier): No statistics here anymore.
752 * objc-act.c (steup_string_decl): Remove redundant check.
754 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
756 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
757 cpplib.o, cpphash.o, fix-header): Update.
758 (hashtable.o): New target.
759 * c-common.h: Include cpplib.h. Define C_RID_CODE and
760 struct c_common_identifier here.
761 * c-lang.c (c_init_options): Update. Call set_identifier_size.
762 * c-lex.c (c_lex): Update.
763 * c-pragma.h: Update.
764 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
766 (C_RID_CODE): Delete.
767 * cpphash.c: Rewrite to use hashtable.c.
768 * cpphash.h: Update include guards.
769 (struct cpp_reader): Remove hashtab.
770 hash_ob and buffer_ob are no longer pointers. Add hash_table
772 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
773 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
774 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
775 * cppinit.c (cpp_create_reader): Update.
776 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
777 (cpp_interpret_charconst): Eliminate warning.
778 * cpplib.c (do_pragma, do_endif, push_conditional,
779 cpp_push_buffer, cpp_pop_buffer): Update.
780 (_cpp_init_stacks): Rename cpp_init_directives.
781 (_cpp_cleanup_stacks): Remove.
782 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
783 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
784 cpp_forall_identifiers, cpp_create_reader): Update.
785 (C_RID_CODE, cpp_make_node): New.
786 (c_common_identifier): New identifier node for C front ends.
787 * cppmain.c (main): Update.
788 * fix-header.c (read_scan_file): Update.
789 * flags.h (id_clash_len): Make unsigned.
790 * ggc.h (ggc_mark_nonnull_tree): New.
793 * stringpool.c: Update comments and copyright. Update to use
795 * toplev.c (approx_sqrt): Move to hashtable.c.
796 (id_clash_len): Make unsigned.
797 * toplev.h (ident_hash): New.
798 * tree.c (gcc_obstack_init): Move to hashtable.c.
799 * tree.h: Include hashtable.h.
800 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
801 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
802 (struct tree_identifier): Update.
803 (make_identifier): New.
805 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
806 (C_RID_CODE): Remove.
807 * lex.c (cxx_init_options): Call set_identifier_size. Update.
808 (init_parse): Don't do it here.
810 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
812 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
814 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
816 (expand_eh_return): Convert between word_mode and Pmode.
817 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
819 (execute_stack_op): Likewise.
820 (execute_cfa_program): Likewise.
821 (uw_frame_state_for): Likewise.
822 (uw_update_context_1): Likewise.
823 * unwind.inc (_Unwind_Reason_Code): Likewise.
824 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
825 (EH_RETURN_STACKADJ_RTX): Likewise.
826 * config/mips/mips.c (compute_frame_size): Make space for saving
828 (mips_expand_epilogue): Handle EH stack adjustments.
829 * config/mips/mips.md (eh_return): New pattern.
830 (eh_set_lr_si): Likewise.
831 (eh_set_lr_di): Likewise.
832 Add splitter to perform EH return after reload.
834 2001-05-19 Mark Mitchell <mark@codesourcery.com>
836 * jump.c (mark_jump_label): Tidy previous change.
838 2001-05-19 Bruce Korb <bkorb@gnu.org>
840 * fixinc/genfixes: no need for two warnings
841 * fixinc/Makefile.in: open stdin for those building with a closed one.
843 2001-05-19 Mark Mitchell <mark@codesourcery.com>
845 * jump.c (jump_optimize_1): Tidy.
846 (mark_jump_label): When changing the label in a LABEL_REF, change
847 update any REG_EQUAL notes as well.
849 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
851 * c-parse.in (parm_declarator): Split into
852 parm_declarator_starttypename and parm_declarator_nostarttypename.
853 (parm_declarator_starttypename, parm_declarator_nostarttypename):
854 New. Allow parenthesised sub-declarators which don't begin with a
855 TYPENAME. Fixes PR c/166.
857 2001-05-19 Mark Mitchell <mark@codesourcery.com>
859 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
861 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
863 * toplev.c (main): If the target does not allow profiling without
864 a frame pointer, issue an error message.
865 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
868 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
870 * recog.c (general_operand): Modify last change to allow it if reload
873 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
875 * recog.c (general_operand): Prohibit nonzero subreg bytes on
876 subregs containing mem.
878 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
880 * regrename.c (regrename_optimize): frame pointer register can
883 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
885 * README.DWARF: Move into dwarfout.c.
887 2001-05-18 Dale Johannesen <dalej@apple.com>
889 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
890 specific misuse of r0 as a reload address.
892 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
894 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
897 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
899 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
900 (add_to_sequence): Make that decision type.
901 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
902 (write_switch, write_cond, debug_decision_2): Likewise.
904 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
906 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
909 2001-05-18 Stan Shebs <shebs@apple.com>
911 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
912 * configure: Regenerate.
914 2001-05-18 Per Bothner <per@bothner.com>
916 Changes needed for java/jvspec.c
917 * gcc.h (n_infiles, outfiles): Add declarations.
918 * gcc.c (n_infiles, outfiles): Mske no longer static.
920 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
922 * config/pa/som.h (EXCEPTION_SECTION): Define.
924 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
926 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
928 Add have_location_lists, a variable to determine whether we need a
929 .debug_loc section or not.
930 (enum dw_val_class): Add dw_val_class_loc_list.
931 (dw_val_struct): Add val_loc_list.
932 (dw_loc_list_struct): New structure, represents location lists.
933 (new_loc_list): New function, return a new location list, given
934 the range and location expression.
935 (add_loc_descr_to_loc_list): New function, add a location
936 expression to a location list, given the expression and range.
937 (output_loc_list): New function, output a location list.
938 (gen_internal_sym): Modified to take symbol prefix, so we can
939 reuse it for location list symbols.
940 (add_AT_loc_list): New function, add a location list to a DIE at
942 (AT_loc_list): New function, return the location list reference
943 for a given attribute, if it's a location list.
944 (print_die): Handle dw_val_class_loc_list.
945 (size_of_die): Ditto.
946 (value_format): Ditto.
948 (output_location_lists): New function, output all of the location
949 lists for a DIE and it's children.
950 (dwarf2out_finish): Call output_location_lists if we have location
954 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
956 * gcse.c (try_replace_reg): First try global replace, later try to
957 simplify the expression.
959 * gcse.c (find_used_regs): Change calling convention; work via
961 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
963 2001-05-18 Bernd Schmidt <bernds@redhat.com>
966 2001-02-09 Nick Clifton <nickc@redhat.com>
967 * config/arm/arm.md: Change output constraint on post inc
968 load/store multiple patterns to be a read/write constraint.
970 2001-05-18 Mark Mitchell <mark@codesourcery.com>
972 * basic-block.h (struct basic_block_def): Add documentation about
973 what a basic block is, and what the various fields are used for.
974 * flow.c (calculate_globlal_regs_live): Add documentation about
975 how the algorithm works, and how we know that it will terminate.
976 Check that the the inductive assumption that guarantees
977 termination actually holds.
978 (mark_used_regs): Treat conditionally set registers as used.
979 (debug_regset): Add comment.
980 * rtl.texi (cond_exec): Add documentation.
982 * function.c (expand_function_start): Avoid creating BLKmode
985 2001-05-17 Mark Mitchell <mark@codesourcery.com>
987 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
988 DIE, even if it has no children.
989 (dwarf2out_finish): Always output the line-number table, even if
992 2001-05-18 David Edelsohn <edelsohn@gnu.org>
994 * rs6000.md (movsfcc,movdfcc): Remove NE case.
996 2001-05-17 Bruce Korb <bkorb@gnu.org>
998 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
999 * fixinc/genfixes: emit a warning if AutoGen is out of date
1001 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1002 Bruce Korb <bkorb@gnu.org>
1004 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1005 found in fixinc directory. Facilitates binary distributions.
1007 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1009 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1012 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1014 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1016 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1018 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1019 (simplify_subreg): Handle complex types represented as CONCAT.
1021 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1022 * rtl.h (swap_commutative_operands_p): Declare.
1023 * rtlanal.c (swap_commutative_operands_p): New.
1024 (operand_preference): New static function.
1026 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1027 (gen_binary): Likewise.
1028 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1029 * simplify-rtx.c (simplify_gen_binary,
1030 simplify_gen_relational): Likewise.
1032 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1034 * cse.c (fold_rtx): Use simplify_subreg.
1036 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1037 (simplify_gen_subreg): New.
1038 (simplify_rtx): Use simplify_subreg.
1039 * rtl.h (simplify_gen_subreg): Declare.
1041 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1043 * doc/install.texi: Update Solaris information.
1045 * except.h (protect_cleanup_actions): Remove it.
1046 (lang_protect_cleanup_actions): Declare it.
1047 * except.c (protect_cleanup_actions): Remove it.
1048 (lang_protect_cleanup_actions): New variable.
1049 (init_eh): Don't make protect_cleanup_actions a GC root.
1050 (expand_eh_region_and_cleanup): Call
1051 lang_protect_cleanup_actions.
1052 (output_function_exception_table): Remove unused `align'
1054 * varasm.c (assemble_external): Abort if we have not yet
1055 opened the assembly output file.
1057 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1059 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1060 for eh_personality_libfunc.
1062 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1064 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1065 when calling simplify_subreg. This is needed to allow replacing
1066 of expression of one mode by expression of different mode.
1068 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1070 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1072 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1074 * expr.c (protect_from_queue): Protect against subsequent calls to
1076 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1079 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1081 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1083 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1085 * gccbug.in (CATEGORIES): Add "bootstrap".
1087 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1089 * simplify-rtx.c (simplify_subreg): Break out from ...
1090 * combine.c (combine_splify_rtx) ... here and ...
1091 * recog.c (validate_replace_rtx_1): ... here;
1092 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1093 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1094 (subreg_lowpart_p): ... here.
1096 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1098 * stmt.c (expand_asm_operands): For inout operands, make sure
1099 the substitution of '=' for '+' makes it into the rtl.
1101 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1102 (reload_as_needed): Call update_eliminable_offsets a bit later.
1104 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1106 * gcc.texi (gccbug): Refer to the web pages for detailed information
1109 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1111 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1113 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1114 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1115 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1116 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1117 * cross-make: Don't set LIBGCC1.
1118 * mklibgcc.in: Delete all code for building from libgcc1.c.
1119 Always honor LIB1ASMFUNCS if set.
1121 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1122 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1123 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1124 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1125 config/i386/uwin.asm, config/m68hc11/larith.asm,
1126 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1127 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1128 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1129 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1130 Delete or update references to libgcc1 in commentary.
1132 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1133 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1134 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1135 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1136 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1137 config/arm/t-semi, config/arm/t-strongarm-coff,
1138 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1139 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1140 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1141 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1142 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1143 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1144 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1145 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1146 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1147 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1148 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1149 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1150 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1151 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1152 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1153 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1154 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1155 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1156 config/mips/t-ultrix, config/mn10200/t-mn10200,
1157 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1158 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1159 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1160 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1161 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1162 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1163 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1164 config/sparc/t-sparclite, config/sparc/t-splet,
1165 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1166 config/sparc/t-vxsparc64, config/v850/t-v850:
1167 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1169 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1170 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1171 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1172 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1173 nongcc_SI_type, nongcc_word_type, or perform_*
1174 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1176 * config/i386/386bsd.h, config/i386/beos-elf.h,
1177 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1178 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1179 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1180 Don't include i386/perform.h.
1182 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1183 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1184 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1185 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1186 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1187 config/vax/t-openbsd, config/vax/t-vax: Delete.
1189 * config.gcc: Remove references to deleted files.
1190 (arm-semi-aof): Use arm/t-semi for tmake_file.
1192 * gcc.texi, install.texi, invoke.texi, tm.texi:
1193 Delete or rewrite text which is no longer relevant now that
1194 libgcc1 no longer exists.
1196 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1197 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1199 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1200 Bruce Korb <bkorb@gnu.org>
1202 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1205 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1207 * i386.md: Add two peepholes to clean up code generated by
1210 2001-05-16 Richard Henderson <rth@redhat.com>
1212 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1213 variants of non-absolute encodings.
1215 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1217 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1218 __register_frame_info_table_bases): Export.
1220 2001-05-16 Richard Henderson <rth@redhat.com>
1222 * except.c (eh_data_format_name): Move to ...
1223 * dwarf2asm.c: ... here. Use designated initializers if available.
1224 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1225 * dwarf2asm.h: Update declarations.
1226 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1227 ASM_PREFERRED_EH_DATA_FORMAT.
1228 (output_call_frame_info): Likewise. Use 'L' augmentation for
1231 * unwind-dw2-fde.h (struct fde_vector): New.
1232 (struct old_object): Rename from struct object.
1233 (struct object): New.
1234 (__register_frame_info_bases): Declare.
1235 (__register_frame_info_table_bases): Declare.
1236 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1237 * unwind-dw2-fde.c (objects): Remove.
1238 (unseen_objects, seen_objects): New.
1239 (__register_frame_info_bases): New.
1240 (__register_frame_info): Use it.
1241 (__register_frame_info_table_bases): New.
1242 (__register_frame_info_table): Use it.
1243 (__deregister_frame_info): Rewrite for changed object struct.
1244 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1245 (fde_unencoded_compare): Rename from fde_compare; uninline.
1246 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1247 (start_fde_sort): Adjust for new definition of fde_vector.
1248 (fde_insert): Likewise.
1249 (end_fde_sort): Likewise. Select comparison function based
1250 on properties of the object.
1251 (fde_split): Take object and fde_compare_t arguments.
1252 (frame_heapsort, fde_merge): Likewise.
1253 (classify_object_over_fdes): Rename from count_fdes. Handle
1254 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1256 (add_fdes): Handle encoded pointers.
1257 (init_object): Rename from frame_init. Update for new struct object.
1258 (linear_search_fdes): Rename from search_fdes. Handle encoded
1260 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1261 (binary_search_single_encoding_fdes): New.
1262 (binary_search_mixed_encoding_fdes): New.
1263 (search_object): New.
1264 (_Unwind_Find_FDE): Update for new struct object. Fill in
1266 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1267 iterating over EH data.
1268 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1269 fde_encoding, lsda_encoding.
1270 (read_uleb128, read_sleb128): Remove.
1271 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1272 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1273 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1275 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1277 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1279 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1280 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1281 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1282 cpp_spell_token, cpp_output_token): Similarly.
1283 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1284 do_pragma_poison, parse_assertion, do_assert): Similarly.
1285 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1286 save_parameter, _cpp_create_definition, check_trad_stringification,
1287 cpp_macro_definition): Similarly.
1288 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1289 * c-lex.c (cb_undef, c_lex): Similarly.
1290 * fix-header.c (recognized_function): Similarly.
1291 * cpplib.h (NODE_LEN, NODE_NAME): New.
1292 (cpp_hashnode): Rename length len.
1294 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1296 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1299 2001-05-16 Andreas Jaeger <aj@suse.de>
1301 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1303 * toplev.c: Include dwarf2asm.h for prototype of
1304 dw2_output_indirect_constants.
1306 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * stmt.c (expand_asm_operands): Be able to offload addressof
1309 expression to memory. (PR optimization/185)
1311 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1313 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1314 applying distributive law.
1316 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1318 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1320 * gthr-dce.h (UNUSED): Attribute unused macro.
1321 (__gthread_key_dtor): Make arguments UNUSED.
1322 (__gthread_key_delete): Revise for compatibility with DRAFT4
1325 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1327 * doc/install.texi: Update AIX information.
1328 * README.RS6000: Remove obsolete file.
1330 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1331 Nathan Sidwell <nathan@codesourcery.com>
1333 * gcc.c (give_switch): Don't write before start of string.
1334 Always append suffix.
1336 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1338 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1341 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1343 * README.ALTOS: Remove obsolete file.
1345 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1347 * c-lex.h (save_and_forget_protocol_qualifiers,
1348 forget_protocol_qualifiers, remember_protocol_qualifiers):
1349 Remove deleted functions' prototypes.
1351 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1353 * c-parse.in (methodtype): New production.
1354 (methoddef, methodproto): Collapse separate '-' and '+'
1357 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1359 * c-common.h (RID_FIRST_PQ): New.
1360 * c-parse.in (objc_pq_context): New.
1361 (objc parser): Set objc_pq_context rather than calling
1362 remember_protocol_qualifiers and forget_protocol_qualifiers.
1363 Don't call save_and_forget_protocol_qualifiers.
1364 (yylexname): Handle objc protocol qualifiers here.
1365 * stringpool.c (struct str_header): Replace with sp_hashnode.
1366 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1367 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1368 Allocate an IDENTIFIER_NODE for each identifier.
1369 (FORALL_STRINGS, set_identifier): Delete.
1370 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1371 (ggc_alloc_string): Use an obstack.
1372 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1373 * tree.h: Update comments.
1374 (set_identifier): Delete.
1375 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1376 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1377 remember_protocol_qualifiers): Delete.
1379 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1381 * flow.c (life_analysis): After life analysis is complete, do
1382 an optional scan over insns looking for REG_LABEL notes that
1383 reference a deleted label.
1384 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1385 before peeking at LABEL_NUSES.
1387 2001-05-15 Richard Henderson <rth@redhat.com>
1389 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1390 (_Unwind_GetTextRelBase): New.
1392 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1394 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1396 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1398 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1399 so that CHOOSE_SECTION gets used.
1401 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1402 TARGET_RELOCATABLE like flag_pic for now.
1404 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1406 * rs6000.md (movdi splitter): Sign extend more efficiently.
1407 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1408 to "long long" valid on 32-bit and 64-bit hosts.
1409 (logical_operand): Cast trunc_int_for_mode return value.
1410 (rs6000_emit_move): Shift macro to encapsulate variable.
1411 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1412 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1413 plus_constant requires signed argument.
1415 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1417 * gthr-posix.h: Make additional pthread-* functions weak.
1419 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1421 * recog.c (apply_change_group): Avoid unneeded validating.
1423 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1425 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1426 (num_insns_constant): CONST_INT can be 64-bits.
1428 2001-05-14 Stan Shebs <shebs@apple.com>
1430 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1431 (LIBGCC_SPEC): Don't define.
1433 2001-05-14 Richard Henderson <rth@redhat.com>
1435 * configure.in (gcc_cv_as_eh_frame): New test.
1436 * config.in, configure: Rebuild.
1437 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1439 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1441 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1442 extended precision divide.
1444 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1446 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1447 for RETURNS as well.
1449 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1451 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1452 (CPP_CPU??_SIZE_TYPE): New.
1453 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1454 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1455 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1456 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1458 * i386.c (override_options): Add sorry about not suported modes.
1460 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1462 * config/pa/som.h (NM_FLAGS): Remove.
1463 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1464 (ASM_OUTPUT_SECTION_NAME): Remove.
1465 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1467 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1469 * regrename.c (regrename_optimize): Do not rename registers to
1472 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1474 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1475 contain MEMs. Remove useless distinction about clobbering
1478 2001-05-13 Geoff Keating <geoffk@redhat.com>
1480 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1481 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1482 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1483 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1484 (EXCEPTION_SECTION): Define.
1486 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1488 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1489 binary backward compat only.
1490 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1491 in LIB2FUNCS. Pass it to mklibgcc.
1492 * mklibgcc.in: Handle LIB2FUNCS_ST.
1494 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1496 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1498 * tm.texi (THREAD_MODEL_SPEC): Document it.
1499 * gcc.c (main): Use it.
1500 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1501 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1503 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1505 * rtl.h (SYMBOL_REF_WEAK): New macro.
1506 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1507 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1508 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1509 * gcc.texi: Remove wrong description.
1511 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1513 * Makefile.in (STAMP): New macro.
1514 Replace all uses of `touch' with $(STAMP).
1515 * fixinc/Makefile.in: Likewise.
1517 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1519 * configure.in: ldopen is never in -lexc, so don't test for it.
1520 Add test for exc_resume in -lexc for Ada.
1521 * configure: Regenerated.
1523 2001-05-12 Richard Henderson <rth@redhat.com>
1525 * dwarf2asm.c (size_of_encoded_value): New function.
1526 * dwarf2asm.h: Declare it.
1527 * except.c (output_function_exception_table): Align the TType
1528 array only as wide as the encoding.
1530 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1532 * extend.texi: Document #pragma GCC java_exceptions.
1534 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1536 * c-parse.in (bison parser, init_reswords): Remove uses of
1538 * c-tree.h (doing_objc_thang): Remove.
1540 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1542 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1543 about files not ending in newlines.
1545 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1547 * dwarfout.c (dwarfout_init): Add cast.
1548 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1549 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1551 * method.c (build_mangled_C99_name): Remove unused prototype.
1553 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1555 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1557 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1559 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1560 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1562 2001-05-11 Richard Henderson <rth@redhat.com>
1564 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1565 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1566 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1567 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1568 (dw2_output_indirect_constants): Prototype.
1569 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1570 current_function_func_begin_label if we'll need it for EH. Exit
1571 early for IA64_UNWIND_INFO.
1572 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1573 (eh_data_format_name): Update for indirect references.
1574 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1575 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1576 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1577 define HAVE_eh_return etc.
1578 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1579 (final_end_function): Don't call output_function_exception_table.
1580 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1581 (rest_of_compilation): Invoke output_function_exception_table
1582 for ia64 before assemble_end_function.
1583 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1584 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1586 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1587 * unwind.h: Declare them.
1588 * libgcc-std.ver: Export them.
1589 * unwind-pe.h: New file.
1591 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1593 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1595 (find_fde_for_dso): Extract DT_PLTGOT.
1596 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1597 the segment and gp as well.
1598 * config/ia64/frame-ia64.c: Remove file.
1599 * config/ia64/frame-ia64.h: Remove file.
1600 * config/ia64/unwind-ia64.c: New file.
1601 * config/ia64/unwind-ia64.h: New file.
1602 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1603 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1604 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1605 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1606 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1607 (IA64_UNWIND_INFO): Re-enable.
1608 (HANDLER_SECTION): Remove.
1609 (EH_RETURN_DATA_REGNO): New.
1610 * config/ia64/ia64.md (exception_receiver): Remove.
1611 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1612 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1614 2001-05-11 Richard Henderson <rth@redhat.com>
1616 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1617 calls and jumps to be bundled together.
1618 (ia64_reorg): Emit a break after a noreturn call that ends
1620 * config/ia64/ia64.md (break_f): New.
1622 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1624 * c-lex.c (lex_charconst): Convert into a simple wrapper
1625 around cpp_interpret_charconst, to which most of the code
1627 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1628 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1629 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1630 (lex): Use cpp_interpret_charconst.
1631 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1632 hex_digit_value): New functions.
1633 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1634 * cpplib.h (cpp_interpret_charconst): New prototype.
1635 * Makefile.in: Update.
1637 2001-05-12 Dean Wakerley <dean@wakerley.com>
1639 * doc/install.texi: New file. Converted to texinfo from the HTML
1640 documentation in wwwdocs/htdocs/install.
1642 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1644 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1645 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1647 * toplev.c (compile_file): Move comment for opening output
1648 file to just before the code that opens the output file.
1650 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1652 * regmove.c (regmove_optimize): Suppress the optimization for
1653 unchanging destination register. Add comment above function.
1655 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1657 * Makefile.in: Exterminate all references to assert.h.
1658 * cross-make: Likewise.
1660 * configure.in: Correct commentary.
1661 * configure: Regenerate.
1663 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1666 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1667 config/t-netbsd, config/t-rtems, config/x-linux,
1668 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1669 No need to override INSTALL_ASSERT_H.
1671 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1672 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1673 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1675 2001-05-11 Graham Stott <grahams@redhat.com>
1677 * combine.c (simplify_comparison): Fix typo.
1679 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1681 * loop.h (struct movables): Remove `num'.
1682 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1683 Adjust call to strength_reduce.
1684 (num_unmoved_movables): New function.
1685 (move_movables): Don't set movables->num.
1686 (strength_reduce): Compute the number of instructions in the loop
1687 here, rather than in the caller.
1688 (check_dbra_loop): Always clear reversible_mem_store if there
1689 are any memory sets.
1690 (loop_regs_scan): Don't count instructions here.
1691 (count_insn_in_loop): New function.
1693 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1695 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1697 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1699 * c-common.c (finish_label_expr): New function, lifted from
1700 from cp/semantics.c.
1701 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1702 * c-parse.in: Move 3 blocks of parser code into new functions.
1703 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1704 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1705 (lookup_label): Remove.
1707 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1709 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1710 FLOAT_BIT_ORDER_MISMATCH.
1712 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1714 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1715 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1717 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1719 * expr.c (emit_group_load): extract_bit_field requires a REG or
1722 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1724 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1725 a computed jump into an unconditional jump.
1726 In second hunk of code for collapsing computed and conditional jumps
1727 into unconditional jumps, reemit the jump in additional cases.
1729 * jump.c (jump_optimize_1): Do not wrap the new jump target
1730 inside a LABEL_REF; gen_jump will do that automatically.
1732 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1734 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1735 contents for a SYMBOL_REF in case of floating point constants.
1737 2001-05-10 DJ Delorie <dj@redhat.com>
1739 * c-common.c (combine_strings): Widen strings in a
1740 host-endian-independent way.
1742 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1744 * c-parse.in: Remove many shift/reduce conflicts. Update
1746 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1747 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1748 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1749 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1750 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1751 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1752 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1753 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1754 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1755 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1756 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1757 typespec_reserved_nonattr, typespec_reserved_attr,
1758 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1759 structsp_nonattr, components_notype, component_notype_declarator,
1760 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1761 firstparm, setspecs_fp): New
1762 (typed_declspecs, reserved_declspecs, typed_typespecs,
1763 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1764 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1765 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1766 type_quals): Remove. Users updated.
1767 (initdecls, notype_initdecls, after_type_declarator,
1768 parm_declarator, notype_declarator, absdcl1, components, ivars):
1769 Don't allow attributes at the start of a declarator; include them
1770 in the production containing the declarator instead. Always
1771 require type specifiers before trying to redeclare a typedef name.
1772 (typename): Allow for attributes but warn that they are ignored.
1773 (parmlist, firstparm, setspecs_fp): Include attributes in
1774 parmlist; suck them off the parser stack in firstparm using
1777 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1779 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1780 to determine if a block has an unconditional jump at its end.
1782 * jump.c (jump_optimize_1): When converting a conditional jump
1783 to an unconditional jump, build the jump using gen_jump instead
1784 of just modify operands in-place.
1786 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1788 * cppinit.c (cpp_post_options): Shut off macro expansion if
1790 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1791 IN_I directives only if the # is in column 1 and the directive
1792 name begins in column 2.
1793 * cppmain.c (scan_buffer): Insert a space between # and an
1794 identifier, when that identifier is a directive name.
1796 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1797 in the header search path.
1798 (enum node_type): Add T_INCLUDE_NEXT.
1799 (directive_table): Add entry for include_next.
1800 (do_include_next): New function.
1801 (process_include): New routine, broken out of do_include.
1802 (finclude): Insert 'nhd' argument, to be copied into
1803 next_header_dir of the new buffer.
1804 (main): Adjust to match.
1805 * gsyslimits.h, limity.h: Un-indent #include_next.
1807 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1809 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1810 inclusion as a chapter of the GCC manual.
1811 * gcc.texi: Include objc.texi.
1812 * fdl.texi: Use @unnumberedsec for the addendum.
1813 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1815 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1817 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1819 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1821 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1822 handling of two-address insns.
1824 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1826 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1827 ../binutils/nm-new instead of ../binutils/nm.
1829 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1831 * i386.md (movdi splitter): Fix the splitting condition
1832 (float_extenddftf splitter): Fix mode.
1834 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1836 * genrecog.c (write_switch): Avoid outputting of switch for
1837 types wider than int.
1839 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1841 * reload1.c (copy_eh_notes): New function.
1842 (emit_input_reload_insns): Call it.
1843 (emit_output_reload_insns): Call it.
1845 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1847 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1849 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1850 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1852 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1854 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1856 * pa.md (interspace_jump): Revise comment.
1857 (builtin_longjmp): Block initial setup insns from delay slot of
1859 (builtin_setjmp_receiver): New expander to save and restore PIC
1862 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1864 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1866 * toplev.c (compile_file): Set up the output file before we call
1867 the various initializers for the compiler.
1869 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1870 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1872 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1873 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1875 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1877 * Makefile.in (tradcpp0): Correct typo in dependency list.
1879 2001-05-06 Geoff Keating <geoffk@redhat.com>
1881 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1882 the link register if we're not going to use it.
1884 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1885 (output_function_profiler): Likewise.
1887 2001-05-07 Alan Modra <amodra@one.net.au>
1889 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1891 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1893 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1894 zero-extend it. Make abs_inc unsigned.
1896 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1897 widest mode in narrowing and widening operations.
1899 * config/mips/mips.md: Sign extend CONST_INTs.
1901 2001-05-06 Andreas Jaeger <aj@suse.de>
1903 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1904 (i386 Options): Document -momit-leaf-frame-pointer.
1906 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1908 * c-typeck.c (internal_build_compound_expr): Check for
1909 array to pointer conversion just once.
1911 2001-05-05 Richard Henderson <rth@redhat.com>
1913 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1915 2001-05-05 Richard Henderson <rth@redhat.com>
1917 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1918 to the parent of the fixup region.
1920 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1922 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1924 * cpp.texi (__NO_INLINE): Document it.
1926 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1928 * cppfiles.c (struct include_file): New member err_no.
1929 (find_or_create_entry): Set it.
1930 (open_file): Don't set fds to -2. Instead, use err_no to
1931 remember previous errors, if any.
1933 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1935 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1936 between X and Y by using sequences of xgdx and xgdy.
1938 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1940 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1941 of '!' for the 'D' alternative ('!' is too strong).
1942 ("*logicalsi3_silshl16"): Likewise.
1943 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1944 ("movstrictsi"): Remove spurious '+'.
1945 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1946 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1947 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1950 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1952 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1954 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1956 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1959 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1961 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1964 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1966 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1967 soft register, use ror instead of rol.
1969 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1971 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1972 into account pre/post increment decrement for 68HC12.
1973 Fix other problems in replacement and fix call to reg_mentioned_p.
1975 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1977 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1978 Put the soft registers in bss for 68HC12.
1979 (L_regs_d3_4): New for _.d3 and _.d4.
1980 (L_regs_d5_6): Likewise.
1981 (L_regs_d1_2): Likewise.
1982 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1984 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1986 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1987 to the pre-processor when -fshort-double is specified.
1988 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1990 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1992 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1993 (__mulsi3): Rewrite for 68HC12.
1994 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1995 Mark 'x' constraint with earlyclobber to prevent a
1996 RELOAD_FOR_OTHER_ADDRESS to go in it.
1997 (mulhi3_m68hc12): New pattern.
1998 (mulhi3_m68hc11): Rename of mulhi3.
1999 (mulhi3): New expand for 68HC12 optimisation.
2000 (umulhisi3, mulhisi3): New patterns for 68HC12.
2002 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2004 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2005 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2006 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2008 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2010 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2011 constants cheap after reload.
2012 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2014 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2015 so that gcc prefers a shift by 16.
2016 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2018 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2020 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2022 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * alpha.h: NULL_PTR -> NULL.
2031 * i386.md: Likewise.
2034 * m68hc11.h: Likewise.
2035 * rs6000.h: Likewise.
2038 * sparc.h: Likewise.
2042 * final.c: Likewise.
2044 * recog.c: Likewise.
2046 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2048 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2049 `bool' parameter to `int'.
2051 * hash.c (hash_lookup): Likewise.
2053 * hash.h (hash_lookup): Likewise.
2055 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2057 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2059 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2061 2001-05-03 Geoff Keating <geoffk@redhat.com>
2063 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2064 -malign-loops, -malign-functions.
2065 * i386.c (ix86_align_funcs): Delete.
2066 (ix86_align_loops): Delete.
2067 (ix86_align_jumps): Delete.
2068 (override_options): Mark -malign-* as obsolete. Emulate their
2069 behaviour with the -falign-* options. Default -falign-* from
2070 the processor table.
2071 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2072 patch of Wed May 2 13:09:36 2001.
2073 (LOOP_ALIGN): Delete.
2074 (LOOP_ALIGN_MAX_SKIP): Delete.
2075 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2076 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2078 2001-05-04 Andreas Jaeger <aj@suse.de>
2080 * except.h: Add prototype declaration for
2081 expand_builtin_init_dwarf_reg_sizes.
2083 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2085 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2087 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2089 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2091 ("bitcmpqi2"): New pattern for bit-extract and test.
2092 ("bitcmphi"): New pattern for bitb/bita instructions.
2094 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2096 * gccbug.in: Use a temporary directory when the mktemp command is
2099 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2101 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2103 (INITIALIZE_TRAMPOLINE): Call it.
2104 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2105 (TRAMPOLINE_TEMPLATE): Remove.
2106 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2107 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2110 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2112 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2113 and crtendS.o with PIC.
2115 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2117 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2119 (___subdi3, ___adddi3): Use x instead of y as index register.
2120 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2121 (__memset, __memcpy): Likewise.
2122 (regs): Put the soft registers in bss for 68HC12.
2123 (abort): Use trap to abort for 68hc12.
2124 (__mulhi3, __mulhi32): Use emul for 68hc12.
2125 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2127 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2129 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2130 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2131 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2132 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2133 Set 68HC12 min offset to -65536.
2134 (print_operand): Put parenthesis arround the operand if it refers
2135 to a symbol having the same name as a register.
2136 (m68hc11_z_replacement): When z register is replaced by its
2137 equivalent soft register, force the insn to be re-recognized.
2138 (m68hc11_check_z_replacement): Fix the test when destination is
2139 the index register and z dies in the insn.
2140 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2142 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2144 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2145 costs according to processor variant.
2146 (m68hc11_shift_cost): New function to compute shift costs.
2147 (m68hc11_rtx_costs): Define costs according to processor variant.
2148 (m6811_cost): Costs for 68HC11.
2149 (m6812_cost): Costs for 68HC12.
2150 (COSTS_N_INSNS): Remove.
2152 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2153 (DEFAULT_RTX_COSTS): Remove.
2154 (CONST_COSTS): Define costs according to OUTER_CODE.
2155 (processor_costs): New struct to define costs.
2156 (m68hc11_cost): Pointer to current costs.
2158 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2160 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2161 and use m68hc11_notice_keep_cc when using leax/leay.
2162 (addhi3 split): Reject split if the insn is handled by
2164 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2165 push must be handled in a special way if the source operand uses
2166 sp as index register.
2167 (m68hc11_notice_keep_cc): New function.
2168 (m68hc11_gen_movhi): Use it when an insn changes a register but
2170 (m68hc11_gen_movqi): Fix move for 68HC12.
2171 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2173 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2175 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2176 and don't pass operands[0] to emit_library_call_value.
2178 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2180 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2181 (zero_extendsi split): Simplify and use (zero_extendhi).
2182 (*addhi3): Remove 'w' constraint since stack pointer is handled
2184 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2185 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2186 (*ashrhi3_const): Fix shift by 7.
2187 (*lshrsi3_const16): Fix template.
2188 (call, call_value): Fix constraint and predicate.
2190 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2192 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2193 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2194 (CC_REGNUM): Likewise.
2195 (*unnamed splits): Use above constants instead of hard coded numbers.
2196 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2197 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2198 (*return_16bit, *unnamed peepholes): Likewise.
2200 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2202 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2203 rs6000/rs6000.h twice.
2205 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2207 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2208 (CPP_SPEC): Conditionally define MSDOS and GO32.
2209 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2210 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2212 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2214 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2216 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2218 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2220 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2221 * integrate.c (expand_inline_function): Use xcalloc to allocate
2223 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2226 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2228 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2231 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2233 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2234 linker if -mrelax is given.
2235 (TARGET_SWITCHES): Document -mrelax.
2237 Re-installed 2001-01-09's patch:
2238 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2239 if it's wider than long and the target's long is wider than the
2242 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2244 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2245 directly include rs6000/rs6000.h. Instead do it in tm.h.
2247 2001-05-02 Stan Shebs <shebs@apple.com>
2249 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2250 NSConstantString for NeXT-style runtimes.
2251 (STRING_OBJECT_GLOBAL_NAME): New macro.
2252 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2253 OCTI_STRING_CLASS_DECL.
2254 (constant_string_global_id): New macro.
2255 (string_class_decl): Ditto.
2256 (setup_string_decl): New function.
2257 (build_objc_string_object): Use it to build a NeXT runtime
2258 compatible string initializer.
2260 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2262 * tradcpp.c (do_define): Make sure we don't walk past limit.
2264 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2266 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2267 offsets if not REG_OK_STRICT.
2269 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2270 (INT_REG_OK_FOR_INDEX_P): Likewise.
2271 (INT_REG_OK_FOR_BASE_P): Likewise.
2272 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2273 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2274 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2275 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2276 REG_OK_FOR_BASE_P. Take an additional parameter.
2277 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2278 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2279 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2280 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2281 rs6000_legitimate_address() and use it.
2282 * config/rs6000/rs6000.c: Update all callers.
2283 (rs6000_legitimate_address): New function.
2285 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2287 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2288 special_constant conditional blocks together.
2290 2001-05-02 Dale Johannesen <dalej@apple.com>
2292 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2294 (STRICT_ARGUMENT_NAMING): Define.
2295 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2296 function_arg_partial_nregs, setup_incoming_varargs): Remove
2297 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2300 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2302 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2304 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2307 * expr.c (store_field): Do nothing except elaborate side-effects if
2310 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2312 * c-lex.c: NULL_PTR -> NULL.
2314 * emit-rtl.c: Likewise.
2316 * genpeep.c: Likewise.
2318 * mips-tdump.c: Likewise.
2319 * reload1.c: Likewise.
2320 * rtlanal.c: Likewise.
2322 * stor-layout.c: Likewise.
2323 * toplev.c: Likewise.
2325 2001-05-01 Per Bothner <per@bothner.com>
2327 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2328 call do_pending_stack_adjust before emiting label.
2330 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2332 * extend.texi: Fix typo.
2334 2001-05-01 Stan Shebs <shebs@apple.com>
2336 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2337 of UOBJC_MODULES_decl.
2338 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2339 (generate_descriptor_table): Ditto.
2340 (generate_protocols): Ditto.
2341 (generate_protocol_list): Ditto.
2342 (generate_classref_translation_entry): Ditto.
2344 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2346 * invoke.texi (Optimize Options): Add documentation for `--param
2347 max-delay-slot-insn-search' and `--param
2348 max-delay-slot-live-search' and reorder --param section.
2349 * params.def: Modify initial comment.
2350 * params.h (param_info): Add `help' member.
2351 * toplev.c (lang_independent_params): Include `help' description.
2352 (display_help): Print --param parameters.
2354 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2356 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2357 Remove references to deleted files.
2358 (*-*-openbsd): No need to override xmake_file.
2359 (*-*-sysv4): Treat like *-*-sysv.
2361 * configure.in: Probe for ldopen in various places, and set up
2362 collect2 to be linked with them if found.
2363 Don't dink with Windows registry stuff unless $host_os is a
2364 Win32 os name. Check to see if we need -ladvapi32.
2365 * configure: Regenerate.
2367 * Makefile: Get rid of CLIB and HOST_CLIB.
2368 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2369 * build-make: Get rid of HOST_CLIB.
2371 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2372 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2373 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2374 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2375 config/rs6000/x-rs6000: Delete.
2377 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2380 24 x-host fragments remain, 0 x-cpu, 3 top level.
2382 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2384 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2385 * configure: Regenerate.
2387 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2389 * Makefile.in (install-headers): Remove redundant dependency.
2391 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2393 * c-tree.texi (USING_STMT): Document.
2395 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2397 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2398 * c-common.c: Likewise.
2399 * c-decl.c: Likewise.
2400 * combine.c: Likewise.
2401 * rs6000.c: Likewise.
2402 * except.c: Likewise.
2403 * explow.c: Likewise.
2405 * fold-const.c: Likewise.
2406 * function.c: Likewise.
2409 * integrate.c: Likewise.
2411 * objc/objc-act.c: Likewise.
2412 * recog.c: Likewise.
2413 * reg-stack.c: Likewise.
2414 * reload.c: Likewise.
2415 * reload1.c: Likewise.
2416 * simplify-rtx.c: Likewise.
2418 * varasm.c: Likewise.
2420 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2422 * diagnostic.def: New file.
2423 * diagnostic.h (diagnostic_t): New enum.
2424 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2426 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2428 * tsystem.h: Test only POSIX for availability of string.h
2430 * config.gcc (all systems): If USG appeared in xm_defines,
2431 change it to POSIX. If both USG and POSIX appeared, just
2432 delete USG. Remove unnecessary quotes around xm_defines
2434 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2435 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2436 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2437 powerpc-*-linux*): No need to set xm_defines - handled by
2438 global settings for *-*-linux*.
2440 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2442 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2443 Always include gstab.h, not system stab.h. Don't provide
2444 default definitions of N_CATCH or N_OPT. Always use the
2445 gstab.h variant of STAB_CODE_TYPE.
2446 * final.c: Don't include stab.h/gstab.h at all, or provide
2447 defaults for N_SLINE and N_SOL.
2449 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2450 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2452 * sdbout.c: Always include gsyms.h instead of system syms.h.
2454 * configure.in: No need to check for stab.h.
2455 * configure, config.in: Regenerate.
2456 * Makefile.in (final.o): Don't depend on gstab.h.
2458 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2459 Richard Henderson <rth@redhat.com>
2461 * extend.texi: Improve documentation of volatile asms.
2463 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2465 * c-tree.texi: Fix thinko.
2466 * gcc.texi: Likewise.
2468 2001-04-30 Richard Henderson <rth@redhat.com>
2470 * c-common.c (c_promoting_integer_type_p): New function, from the
2471 corpse of old macro. Properly promote too-small enumerations and
2472 booleans. Adjust all callers.
2473 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2474 (c_promoting_integer_type_p): Declare.
2475 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2476 * c-typeck.c: Likewise.
2477 (default_conversion): Remove now redundant boolean check.
2479 2001-04-30 Jan Hubicka <jh@suse.cz>
2480 Richard Henderson <rth@redhat.com>
2482 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2484 (combine_stack_adjustments_for_block): Don't combine stack
2485 allocation followed by deallocations. Handle grow-up stacks.
2487 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2489 * fdl.texi: New file.
2490 * c-tree.texi: Use the GFDL.
2491 * gcc.texi: Likewise.
2493 2001-04-30 Stan Shebs <shebs@apple.com>
2495 * invoke.texi: Add a section documenting Objective-C options.
2497 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2499 * emit-rtl.c (try_split): Copy EH notes to sequence.
2501 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2503 * regmove.c (record_stack_memrefs): Catch all references to the
2506 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2508 * Makefile.in (stmp-fixinc): quote shell assignment values
2510 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2516 * prefix.c: Likewise.
2518 2001-04-28 Stan Shebs <shebs@apple.com>
2520 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2521 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2522 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2523 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2525 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2526 (NEXT_OBJC_RUNTIME): Define.
2528 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2530 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2531 * simplify-rtx.c (simplify_gen_relational): Likewise.
2533 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2535 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2536 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2538 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2539 registers in SSE case; fix handling of the immediates.
2540 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2541 operands to be in regsiters before reload.
2542 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2543 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2544 (abstf,absxf,negtf,negxf splitters): Compute
2545 properly the regnum for x86_64.
2546 (avsdf2_if_rex64): New.
2548 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2550 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2551 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2552 into the constant pool.
2553 * jump.c (jump_optimize_1): Remove barrier successors after all
2554 the LABEL_NUSES counds have been computed.
2555 (delete_barrier_successors): When deleting a tablejump insn, also
2556 delete the jump table it uses.
2557 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2560 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2562 * pa.c (FRP): Remove erroneous white space in macro definition.
2564 2001-04-28 Andreas Jaeger <aj@suse.de>
2566 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2568 * extend.texi: Likewise.
2569 * tm.texi: Likewise.
2571 2001-04-28 Andreas Jaeger <aj@suse.de>
2573 * md.texi: Use XX-bit instead of XXbit or XX bit where
2576 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2578 * gcc.c (process_command): Allow -l lib in addition to -llib
2579 for POSIX compliance. This fixes PR c/2347.
2581 * invoke.texi: Update section on Link Options accordingly.
2583 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2585 * function.c (purge_addressof_1): Remove the duplicate
2586 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2589 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2591 * except.c (expand_eh_region_start): Don't start a new block.
2592 (expand_eh_region_end): Don't end a block.
2593 * stmt.c (expand_end_bindings): Don't end EH blocks.
2594 (expand_decl_cleanup): Starting an EH region won't change the block.
2595 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2596 (is_eh_region): Lose.
2599 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2601 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2603 * collect2.c (main): Add `-L' case to remove duplicate entries.
2604 (is_in_args): New function to check for a duplicate argument.
2605 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2606 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2607 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2608 Define to be nonzero.
2610 2001-04-27 Andreas Jaeger <aj@suse.de>
2611 Richard Henderson <rth@redhat.com>
2613 * md.texi (Machine Constraints): Document additional i386
2614 constraints and fix description of "A".
2616 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2618 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2620 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2622 * except.c (get_exception_filter): word_mode, not Pmode.
2624 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2626 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2627 common to other movsf patterns. Move up so that in future
2628 people who change the other patterns will change it too.
2629 (movsf_lo_sum): Allow even for soft-float; add appropriate
2631 (movsf_high): Likewise.
2632 (movsf_high+1): Allow even for soft-float.
2634 * function.c (expand_function_end): Always clobber the
2635 return registers, even if there is no return label.
2637 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2639 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2641 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2643 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2644 (pushqi2_rex64, pushhi2_rex64): Add.
2646 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2648 * except.c (expand_eh_region_end_cleanup): Force pending stack
2649 adjust before emitting label that branches around cleanup code.
2651 2001-04-26 H.J. Lu (hjl@gnu.org)
2653 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2655 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2657 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2658 (ASM_OUTPUT_SECTION_NAME): Likewise.
2659 (ASM_WEAKEN_LABEL): Likewise.
2660 (UNIQUE_SECTION): Likewise.
2661 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2662 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2663 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2664 (ASM_OUTPUT_SECTION_NAME): Likewise.
2665 (ASM_WEAKEN_LABEL): Likewise.
2666 (UNIQUE_SECTION): Likewise.
2667 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2668 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2669 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2670 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2671 (ASM_FILE_START): Likewise.
2672 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2673 (ASM_DECLARE_OBJECT_NAME): Likewise.
2674 (ASM_FILE_END): Likewise.
2675 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2676 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2677 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2678 (ASM_OUTPUT_CASE_LABEL): Likewise.
2679 (ASM_OUTPUT_SKIP): Likewise.
2680 (ASM_OUTPUT_ASCII): Likewise.
2681 (ASM_OUTPUT_IDENT): Likewise.
2682 (READONLY_DATA_SECTION): Likewise.
2683 (EXTRA_SECTIONS): Likewise.
2684 (EXTRA_SECTION_FUNCTIONS): Likewise.
2685 (SELECT_RTX_SECTION): Likewise.
2686 (SELECT_SECTION): Likewise.
2688 * config/mips/linux.h (INVOKE__main): Undefine.
2689 (CTOR_LIST_BEGIN): Likewise.
2690 (CTOR_LIST_END): Likewise.
2691 (DTOR_LIST_BEGIN): Likewise.
2692 (DTOR_LIST_END): Likewise.
2693 (SET_ASM_OP): Defined it to ".dummy".
2694 (ASM_OUTPUT_DEF): Defined.
2695 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2697 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2699 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2700 assembler supports .p2align.
2702 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2704 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2706 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2708 * integrate.c (expand_inline_function): Check for error_mark_node
2711 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2713 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2716 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2718 * configure.in (configargs.h): Define thread_model.
2719 * configure: Rebuilt.
2720 * gcc.c (main): Print it with -v.
2722 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2724 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2725 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2726 * gcc.1: Regenerate.
2728 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2730 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2731 is_redundant_typedef): Use static inline instead of inline static.
2733 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2735 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2736 this directory is always searched.
2738 2001-04-25 Richard Henderson <rth@redhat.com>
2740 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2741 of registers to restore along non eh_return path.
2743 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2745 * c-format.c (check_format_info_recurse): Handle
2746 PLUS_EXPR for format string.
2748 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2750 * config/ia64/ia64.h (CC1_SPEC): Define.
2751 * config/ia64/linux.h (CC1_SPEC): Define.
2753 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2755 * emit-rtl.c (constant_subword): Also do sign extension in
2756 BITS_PER_WORD == 16 case.
2758 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2760 * loop.c (try_swap_copy_prop): Go back to checking insn.
2762 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2764 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2765 if check_mode is non-zero.
2767 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2769 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2770 out and comparison sequence has been detected, put result into
2771 proper temporary pseudo.
2773 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2775 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2776 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2777 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2778 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2779 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2780 for future reference.
2782 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2784 * except.c (reachable_handlers): Step out one level from a RESX.
2786 * except.c (struct eh_region): Rename 'last' to 'resume'.
2787 (mark_eh_region, duplicate_eh_region_1): Adjust.
2788 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2789 (build_post_landing_pads): Likewise.
2790 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2791 (expand_eh_region_end_must_not_throw): Likewise.
2792 (connect_post_landing_pads): Thread (only) regions with non-deleted
2795 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2796 registers around the cleanup.
2797 (get_exception_filter): New fn.
2798 (finish_eh_generation): Use it.
2800 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2802 * c-semantics.c (add_scope_stmt): Don't call
2803 current_scope_stmt_stack multiple times.
2805 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2806 Nathan Sidwell <nathan@codesourcery.com>
2808 Lazy __FUNCTION__ generation.
2809 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2810 RID_C99_FUNCTION_NAME): New _RIDs.
2811 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2812 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2813 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2815 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2816 (c99_function_name_decl_node, function_name_decl_node,
2817 pretty_function_name_decl_node, saved_function_name_decls):
2819 (struct language_function): Remove x_function_name_declared_p.
2820 (make_fname_decl): Remove a parameter.
2821 (declare_function_names): Remove prototype.
2822 (start_fname_decls, finish_fname_decls): Prototype.
2823 (fname_as_string): Likewise.
2824 (fname_string, fname_decl): Likewise.
2825 * c-common.c (make_fname_decl): Adjust.
2826 (struct fname_var_t): New struct.
2827 (fname_vars): New static array.
2828 (declare_function_name): Remove.
2829 (start_fname_decls, finish_fname_decls): New functions.
2830 (fname_as_string): New function from remnants of
2831 declare_function_name.
2832 (fname_string, fname_decl): New functions.
2834 * c-decl.c (c_function_name_declared_p): Remove.
2835 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2836 don't call declare_function_name. Call start_fname_decls.
2837 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2838 clobber the line number. Call finish_decl.
2839 (start_function): Call start_fname_decls.
2840 (finish_function): Call finish_fname_decls.
2841 Remove c_function_name_declared_p.
2842 (push_c_function_context): Don't push c_function_name_declared_p.
2843 (pop_c_function_context): Don't pop c_function_name_declared_p.
2844 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2845 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2846 (program): Call finish_fname_decls for C.
2847 (primary): Add VAR_FUNC_NAME.
2848 (reswords): Add slots for __FUNCTION__ et al.
2849 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2850 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2851 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2852 * c-semantics.c (prune_unused_decls): Remove.
2853 (finish_stmt_tree): Don't call prune_unused_decls.
2854 (genrtl_decl_stmt): Don't prune unused decls here.
2856 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2858 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2859 constant pool, use the pool's SYMBOL_REF instead.
2861 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2864 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2866 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2867 passing nested NOP_EXPRs to fold.
2869 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2871 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2873 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2875 * loop.c (loop_delete_insns): Add prototype.
2877 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2879 * configure.in: Remove ENABLE_STD_NAMESPACE.
2880 * config.in: Regenerated.
2881 * configure: Regenerated.
2883 2001-04-22 Stan Shebs <shebs@apple.com>
2885 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2887 * config/rs6000/xm-darwin.h: Remove file.
2889 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2892 (write_c_file_stat): Likewise.
2894 * dbxout.c (dbxout_init): Likewise.
2896 * profile.c (output_func_start_profiler): Likewise.
2898 2001-04-22 Philipp Thomas <pthomas@suse.de>
2900 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2901 require it instead of the CVS version.
2902 * cpperror.c (v_message): Put a blank before the macro
2903 body to not confuse exgettext.
2905 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2907 * flow.c (proagate_one_insn): Remove useless assignment.
2908 * jump.c (delete_insn): Tidy.
2909 * loop.c (try_copy_prop): When deleting an instruction with a
2910 REG_RETVAL note, delete the entire libcall sequence.
2911 (loop_delete_insns): New function.
2912 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2913 we're not substituting into them yet.
2915 2001-04-21 Kazu Hirata <kazu@hxi.com>
2917 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2919 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2921 * config/i960/i960.c (signed_arith_operand): Likewise.
2923 * calls.c (expand_call): Fix a comment typo.
2925 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2927 * configure.in: Probe for times, clock, struct tms, and clock_t.
2928 * configure, config.in: Regenerate.
2929 * timevar.c: Replace ifdef forest in get_time with (relatively)
2930 straightforward series of checks based on autoconf's probes.
2932 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2934 * config/pa/som.h (NM_FLAGS): Define.
2936 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2938 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2940 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2941 * ia64.c (nop_cycles_until): New function.
2942 (prev_cycle, prev_first, last_issued): New static variables.
2943 (ia64_sched_reorder): Additional arg for clock.
2944 On final scheduling pass, emit extra NOPs as needed.
2945 Set prev_first and prev_cycle.
2946 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2947 (ia64_variable_issue): Set last_issued.
2949 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2951 * config/i386/i386.c (ix86_expand_int_movcc,
2952 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2954 2001-04-20 Geoff Keating <geoffk@redhat.com>
2956 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2957 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2958 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2959 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2960 ctrdi_internal6): In the short-branch case, this insn is only 4
2961 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2963 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2965 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2966 "=u" is used together with "st" resp. "st(1)" clobber.
2968 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2970 * gcse.c (gcse_main): Fix comment typo.
2971 (delete_null_pointer_check): Likewise.
2972 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2973 * cse.c (cse_insn): Likewise.
2974 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2977 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2979 * toplev.c: Excise all code for the undocumented -dm option.
2980 (float_signal): Call signal just once, unconditionally.
2982 2001-04-19 Geoff Keating <geoffk@redhat.com>
2984 * fold-const.c (fold): Use first_rtl_op rather than
2985 TREE_CODE_LENGTH when looping over parameters of a tree.
2986 Correct strange grouping in test for evaluated SAVE_EXPR.
2988 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2990 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2991 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2993 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2994 name at 32 total characters.
2995 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2996 functions in named sections -- data items can still go into unique
2997 sections, but they have normal names (ie $LIT$ and $DATA$).
2999 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3002 2001-04-19 DJ Delorie <dj@redhat.com>
3004 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3005 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3006 * config/i386/cygwin.h: Likewise.
3007 * config/i386/mingw32.h: Likewise.
3008 * config/vax/vms.h: Likewise.
3009 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3011 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3012 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3013 * config/i386/xm-cygwin.h: Likewise.
3014 * config/i386/xm-djgpp.h: Likewise.
3015 * config/i386/xm-mingw32.h: Likewise.
3016 * config/vax/xm-vms.h: Likewise.
3018 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3019 instead of OBJECT_SUFFIX.
3020 * collect2.c (find_a_file): Look for files matching the extension
3021 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3022 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3023 TARGET_EXECUTABLE_SUFFIX.
3024 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3025 (make_relative_prefix): Likewise.
3026 (convert_filename): Use TARGET_ suffixes throughout. Remove
3028 (process_command): Likewise.
3029 (do_spec_1): Likewise.
3030 * java/lang.c (init_parse): Likewise.
3032 * gcc.texi : Document four new options matching the pattern
3033 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3034 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3035 documentation for NO_AUTO_EXE_SUFFIX.
3037 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3039 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3040 that language-independent processing should not be done.
3041 * toplev.c (main): Adjust accordingly.
3043 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3044 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3046 * mips.md (reload_outputdi): Require that operand0 be a
3049 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3051 * invoke.texi (-Wshadow): Clarify.
3053 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3055 * loop.c (load_mems): Examine all the instructions in the loop
3056 before concluding that all jumps branch to the first instruction
3059 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3061 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3063 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3065 * cpp.texi (-Wwhite-space): Remove.
3066 (-Wall): -Wall does not imply -Wwhite-space.
3068 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3070 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3071 use it instead of blindly generating a .stabs.
3072 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3074 * xcoffout.c: Don't bother defining default for N_CATCH.
3075 (UNKNOWN_STAB): Use internal_error.
3076 (stab_to_sclass): Remove now-unnecessary aborts.
3077 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3079 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3081 * jump.c (mark_all_labels): Canonicalize the tail recursion
3082 label attached to CALL_PLACEHOLDER insns.
3084 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3086 * output.h (dump_flow_info, free_basic_block_vars,
3087 which_alternative): Delete redundant prototypes.
3089 * rtl.h (bss_section): Likewise.
3091 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3093 * dbxout.c (N_OPT): Define if not available from <stab.h>
3095 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3097 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3098 libraries and native K&R compilers.
3100 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3102 * c-typeck.c (convert_arguments): Don't check for width changes
3105 * invoke.texi (-Wtraditional): Update documentation.
3107 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3109 * toplev.c (output_lang_identify): Delete.
3110 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3111 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3112 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3113 after calling ASM_FILE_END.
3115 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3116 Instead, unconditionally emit an N_OPT stab with string equal
3117 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3119 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3121 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3122 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3123 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3124 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3125 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3126 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3127 config/i370/i370.h, config/i386/beos-elf.h,
3128 config/i386/osf1elf.h, config/i386/osfrose.h,
3129 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3130 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3131 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3132 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3133 config/mips/iris6.h, config/mips/osfrose.h,
3134 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3135 config/sparc/sp64-elf.h:
3136 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3137 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3139 * config/elfos.h, config/freebsd.h, config/linux.h,
3140 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3141 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3142 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3143 of ASM_FILE_START which merely emit a .version directive. Delete
3144 definitions of ASM_FILE_END which merely emit an .ident directive.
3146 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3147 ASM_IDENTIFY_GCC and move part of its logic into
3150 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3151 config/sparc/linux-aout.h: Don't emit .version directive in
3154 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3155 (output_file_start): Correct comment.
3157 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3158 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3160 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3161 * config/rs6000/aix.h: Correct comment.
3163 * config/i386/i386afe.h: Delete.
3164 * config.gcc: Remove references to i386afe.h.
3166 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3167 other macros deleted by this patch were undocumented.
3169 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3171 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3173 * pa.c (secondary_reload_class): SAR<->FP copies require a
3176 * install.texi (mips-mips-bsd): Update list of functions
3177 required to include memmove.
3178 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3179 used functions to include memmove.
3181 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3183 * i386.md (sqrtdf2): SFmode should be DFmode.
3185 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3187 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3188 (find_moveable_store): Likewise.
3190 2001-04-15 Jim Wilson <wilson@redhat.com>
3192 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3194 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3196 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3197 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3199 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3201 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3204 2001-04-14 Alan Modra <amodra@one.net.au>
3206 * pa.c (force_mode): New function.
3207 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3209 2001-04-13 Jim Wilson <wilson@redhat.com>
3211 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3212 (first_instruction): New static variable.
3213 (rtx_needs_barrier): Return 1 for alloc.
3214 (init_insn_group_barriers): Set first_instruction.
3215 (rws_sum): Delete duplicate definition.
3216 (group_barrier_needed_p): Return 0 when first_instruction true.
3217 (safe_group_barrier_needed_p): Save and restore first_instruction
3218 around group_barrier_needed_p call.
3220 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3222 * expr.h (enum libfunc_index): Add LTI_memmove.
3223 (memmove_libfunc): Define macro.
3224 * optabs.c (init_optabs): Initialize memmove_libfunc.
3225 * expr.c (expand_assignment): Use memmove_libfunc instead of
3228 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3230 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3233 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * Makefile.in (reg-stack.o): Depend on reload.h.
3236 (insn-attrtab.o): Depend on flags.h.
3238 * genattrtab (main): Include flags.h in insn-attrtab.c.
3240 * reg-stack.c: Include reload.h.
3242 * sparc.h (flag_pic): Delete redundant declaration.
3244 * output.h (flag_pic): Likewise.
3246 * tree.h (pedantic): Likewise.
3248 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3252 * jump.c, regmove.c, toplev.c: Include reload.h.
3254 * reload.h (reload_cse_regs): Declare.
3256 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3257 reload_cse_regs, init_reload, mark_home_live, reload,
3258 init_caller_save): Delete redundant prototypes.
3260 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3262 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3264 * regclass.c, ssa.c: Include expr.h.
3266 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3267 gen_move_insn): Delete redundant declarations.
3269 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3271 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3272 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3273 MAKEINFO and MAKEINFOFLAGS too.
3274 (stage4_build): Correctly order -B flags.
3276 2001-04-13 Alan Modra <amodra@one.net.au>
3278 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3279 PIC_OFFSET_TABLE_SAVE_RTX.
3280 (zdepi_cint_p): Describe zdepi insn.
3281 Formatting and white space fixes throughout file.
3283 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3284 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3285 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3286 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3287 (output_64bit_and): Use plain `int's for shift counts.
3288 (output_64bit_ior): Likewise.
3289 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3290 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3293 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3294 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3295 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3296 NEW_HP_ASSEMBLER into one. Kill warnings.
3298 * pa-gas.h: Delete file.
3299 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3300 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3301 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3302 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3304 * config/pa/mill32.S: New file.
3305 * config/pa/mill64.S: New file.
3306 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3307 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3308 * config/pa/t-linux64: New file.
3309 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3310 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3311 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3313 * elfos.h (SELECT_SECTION): Undef before defining.
3314 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3315 (LIB_SPEC): Remove -lmilli.
3316 (DBX_REGISTER_NUMBER): Remove.
3317 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3318 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3319 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3320 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3321 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3322 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3323 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3324 TARGET_GAS): Define.
3325 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3326 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3327 regs if we don't have a prototype.
3328 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3329 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3330 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3331 EH_RETURN_HANDLER_RTX): Define.
3332 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3333 (DWARF_FRAME_REGNUM): Define.
3334 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3335 * pa32-linux.h: New file.
3336 * pa64-linux.h: New file.
3338 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3339 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3340 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3341 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3342 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3343 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3344 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3345 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3346 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3347 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3348 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3349 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3350 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3351 * pa64-hpux.h: New file.
3352 (ASM_FILE_START): Correct typo.
3353 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3354 * config.gcc: Modify for above.
3356 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3358 * jump.c (jump_optimize_1): Don't delete dead stores here.
3359 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3360 prior to running jump optimize before cse2.
3362 2001-04-12 Richard Henderson <rth@redhat.com>
3364 * Makefile.in (regmove.o): Depend on except.h.
3365 * regmove.c: Include it.
3367 2001-04-12 Stan Shebs <shebs@apple.com>
3369 * objc/objc-act.c: Remove all code ifdefed with the never-used
3370 macro OBJC_INT_SELECTORS.
3371 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3372 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3374 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3376 * config/pa/quadlib.c: Add prototypes.
3378 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3380 * bitmap.h (debug_bitmap): Delete redundant prototype.
3382 * rtl.h (get_frame_size): Likewise.
3384 2001-04-12 Jim Wilson <wilson@redhat.com>
3386 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3387 to just emit an fnorm.
3389 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3391 * c-common.h (truthvalue_conversion, type_for_mode,
3392 type_for_size): Delete redundant declarations.
3394 * c-lex.h (is_class_name): Likewise.
3396 * c-tree.h (pedantic, convert, getdecls, gettags,
3397 global_bindings_p, init_decl_processing, insert_block,
3398 maybe_build_cleanup, poplevel, print_lang_decl,
3399 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3400 set_block, incomplete_type_error, build_function_call,
3401 lvalue_or_else, mark_addressable): Likewise.
3403 * expr.h (expand_tree_builtin): Likewise.
3405 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3407 * invoke.texi: Document --param max-gcse-memory.
3409 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3411 * configure.in (errno): Check for declaration.
3412 * configure, config.in: Regenerated.
3414 * system.h (errno): Only declare if not already done.
3416 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3418 * recog.c (general_operand, immediate_operand,
3419 nonmemory_operand): Require CONST_INTs to be sign-extended
3420 values for their modes.
3422 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3424 * expmed.c (store_bit_field): Truncate CONST_INTs.
3425 (expand_mult_highpart, expand_divmod): Likewise.
3426 * expr.c (convert_modes, store_field): Likewise.
3427 * integrate.c (expand_inline_function): Use promote_mode() to
3428 determine whether to convert_modes() an argument as signed
3430 * optabs.c (expand_binop): Get CONST_INT operands
3431 sign-extended for their appropriate modes.
3432 * stmt.c (emit_case_nodes): Convert node values to the
3434 (expand_end_case): Convert minval and range to the appropriate
3436 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3437 the iteration variable.
3438 * varasm.c (immed_double_const): Don't require words to be
3439 narrower than host wide ints to properly sign-extend
3442 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3444 * sh.md (builtin_setjmp_receiver): New expander.
3446 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3448 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3449 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3450 for generating CONST_INT and CONST_DOUBLE.
3452 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3454 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3455 already sign-extended.
3456 (rs6000_emit_prologue): Make register iterator signed.
3457 (rs6000_emit_epilogue): Likewise.
3458 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3460 (movsf split, movdf split): Sign-extend CONST_INTs.
3461 (movdi splits): Likewise.
3463 2001-04-12 Kelley Cook <kelley.cook@home.com>
3465 * config-lang.in (lang_dirs): Add in zlib.
3467 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3469 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3470 operands that make it to RTL.
3472 2001-04-11 Stan Shebs <shebs@apple.com>
3474 Add Darwin (Mac OS X kernel) native support.
3475 * config.gcc (powerpc-*-darwin*): Add native bits.
3476 * config/darwin.c: New file, generic Darwin support functions.
3477 * config/darwin.h: New file, generic Darwin definitions.
3478 * config/darwin-protos.h: New file, generic Darwin prototypes.
3479 * rs6000/darwin.h: New file, Darwin for PowerPC.
3480 * rs6000/t-darwin: New file, Darwin makefile fragment.
3481 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3482 (TARGET_MACHO): Ditto.
3483 (rs6000_abi): Add ABI_DARWIN.
3484 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3485 (RS6000_SAVE_AREA): Ditto.
3486 (FP_ARG_MAX_REG): Ditto.
3487 (RETURN_ADDRESS_OFFSET): Ditto.
3488 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3490 (rs6000_emit_move): Add ABI_DARWIN cases.
3491 (print_operand): Ditto.
3492 (first_reg_to_save): Ditto.
3493 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3494 (debug_stack_info): Ditto.
3495 (rs6000_emit_prologue): Ditto.
3496 (rs6000_emit_epilogue): Ditto.
3497 (output_profiler_hook): Ditto.
3498 (output_function_profiler): Ditto.
3499 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3500 (output_mi_thunk): Add TARGET_MACHO case.
3501 (add_compiler_stub): Ditto.
3502 (output_compiler_stub): Ditto.
3503 (no_previous_def): Ditto.
3504 (output_call): Ditto.
3505 (machopic_output_stub): Ditto.
3506 (rs6000_machopic_legitimize_pic_address): Ditto.
3507 (toc_section): Ditto.
3508 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3509 (macho_high): Ditto.
3512 (load_macho_picbase): Ditto.
3513 (call): Add TARGET_MACHO case to modify function.
3514 (call_value): Ditto.
3515 (call_nonlocal_sysv): Add ABI_DARWIN case.
3516 (call_value_nonlocal_sysv): Ditto.
3517 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3519 (machopic_output_stub): Ditto.
3520 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3522 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3524 * dwarf2out.c (modified_type_die): Don't create new types here.
3525 * tree.h (get_qualified_type): New function.
3526 (build_qualified_type): Adjust comment.
3527 * tree.c (get_qualified_type): New function.
3528 (build_qualified_type): Use it.
3530 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * cpp.texi (-Wtraditional): Update description.
3534 * invoke.texi (-Wtraditional): Likewise.
3536 2001-04-11 Jim Wilson <wilson@redhat.com>
3538 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3539 requires more than 64 bits of alignment.
3541 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3543 * cpplib.c (do_line): Sanity check iff enable checking.
3545 2001-04-11 Richard Henderson <rth@redhat.com>
3547 * Makefile.in (insn-recog.o): Depend on toplev.h.
3548 (insn-emit.o, doloop.o): Likewise.
3549 * genrecog.c, genemit.c: Include toplev.h in generated file.
3550 * doloop.c: Include toplev.h.
3552 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3554 * Makefile.in (gcse.o): Depend on params.h.
3555 * gcse.c: Include params.h.
3556 (gcse_main): Don't do GCSE if doing so will take inordinate
3558 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3559 * params.h (MAX_GCSE_MEMORY): New macro.
3561 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3563 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3565 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3567 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3569 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3571 * real.h (ereal_atof, real_value_truncate, target_isnan,
3572 target_isinf, target_negative, assemble_real, debug_real): Delete
3573 redundant prototypes.
3575 * Makefile.in (ifcvt.o): Depend on toplev.h.
3577 * c-semantics.c: Include expr.h.
3579 * ifcvt.c: Include toplev.h.
3581 * expr.h (rtx_equal_p): Delete prototype.
3583 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3584 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3585 eliminate_constant_term, expand_complex_abs, find_single_use,
3586 make_tree, init_expr_once, init_optabs, supports_one_only):
3589 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3590 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3591 expand_assignment, store_expr, emit_line_note_after,
3592 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3594 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3596 * sparc-protos.h: Delete redundant prototypes.
3598 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3600 * reload.c (push_reload): Add condition missed in SUBREG byte
3603 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3605 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3607 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3609 * i386.md (floatsisf_sse): Fix output template
3610 * i386.c (ix86_expand_fp_movcc)
3612 * reg-stack.c (emit_pop_insn): Handle complex modes.
3613 (move_for_stack_reg): Emit proper move mode.
3614 (subst_stack_regs_pat): Handle complex modes.
3616 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3618 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3620 2001-04-10 Richard Henderson <rth@redhat.com>
3622 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3623 (__pure_virtual, __terminate, __terminate_set_func,
3624 __default_terminate, __throw_type_match, __empty,
3625 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3626 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3627 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3628 Remove prototypes of deleted functions.
3630 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3632 * c-typeck.c (convert_arguments): -Wtraditional now activates
3633 -Wconversion warnings, except for changes in signed-ness.
3634 Detect complex<->int & int<->complex conversions as well.
3636 * invoke.texi (-Wtraditional): Document it.
3638 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3640 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3641 * flow.c (set_block_for_new_insns): Remove needless cast and
3642 properly check for unset block number.
3644 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3646 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3647 the subreg was a hard register. Pseudos are left as subregs.
3649 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3651 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3652 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3653 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3654 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3655 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3657 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3659 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3661 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3663 * output.h (set_block_num): Missed it earlier, remove deprecated
3666 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3668 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3669 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3670 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3671 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3672 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3673 (expr_killed_p): Change bb parameter from int to basic_block, pass
3674 basic_blocks instead of ints as parameters.
3675 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3676 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3677 from int to basic_block, pass basic_blocks instead of ints as parms.
3678 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3679 parameter from int to basic_block, pass basic_blocks instead of ints.
3680 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3681 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3682 pass basic_blocks instead of ints.
3683 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3684 basic_blocks instead of ints as parameters.
3685 (pre_delete): Pass basic_blocks instead of ints as parameters.
3686 (hoist_expr_reaches_here_p): Change bb parameter from int to
3687 basic_block, pass basic_blocks instead of ints.
3688 (hoist_code): Pass basic_blocks instead of ints as parameters.
3689 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3690 Change bb parameter from int to basic_block.
3691 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3692 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3693 pass basic_blocks instead of ints.
3694 (insert_store): Pass basic_blocks instead of ints as parameters.
3695 (replace_store_insn, delete_store): Change bb parameter from int to
3696 basic_block, pass basic_blocks instead of ints.
3697 (store_motion): Pass basic_blocks instead of ints as parameters.
3699 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3701 * basic-block.h (set_new_block_for_insns): New Prototype.
3702 (set_block_num): Delete prototype.
3703 * flow.c (set_block_num): Remove obsolete function.
3704 (set_block_for_new_insns): Set BB for single or multiple insns.
3705 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3706 (process_insn_end_bb): Use set_block_for_new_insns or
3707 set_block_for_insn instead of set_block_num.
3708 (pre_insert_copy_insn): Use set_block_for_new_insns.
3709 (update_ld_motion_stores): Use set_block_for_new_insns.
3710 (insert_insn_start_bb): Use set_block_for_new_insns.
3711 (replace_store_insn): Use set_block_for_new_insns.
3713 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3714 Jeff Law <law@redhat.com>
3716 * alias.c (get_addr): Externalize.
3717 (canon_true_dependence): New function. Behaves like true_dependance
3718 except it already assumes a MEM has been canonicalized.
3719 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3720 * gcse.c (struct ls_expr): Add load/store expressions structure.
3721 (modify_mem_list, canon_modify_mem_list): New variable.
3722 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3723 load motion and store motion if requested.
3724 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3725 (free_gcse_mem): Free the modify_mem_list array.
3726 (oprs_unchanged_p): Use load_killed_in_block_p.
3727 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3728 (mems_conflict_for_gcse_p): New function. Don't kill loads
3729 with stores to themselves if its in the load/store expression list.
3730 (load_killed_in_block_p): New function.
3731 (canon_list_insert): New Function.
3732 (record_last_mem_set_info): Keep a list of all instructions which
3733 can modify memory for each basic block.
3734 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3735 (oprs_not_set_p): Use load_killed_in_block_p.
3736 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3737 (expr_killed_p): Use load_killed_in_block_p.
3738 (compute_transp): Do not pessimize memory references.
3739 (pre_edge_insert): Update stores for a load motion expression.
3740 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3741 (ldst_entry): Find or create a ldst_expr structure.
3742 (free_ldst_entry): Free memory for an individual item.
3743 (free_ldst_mems): Free entire load/store expression list.
3744 (print_ldst_list): Print debug info.
3745 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3746 (enumerate_ldsts): Assign integer values to each entry in list.
3747 (first_ls_expr): First expression in the list.
3748 (next_ls_expr): Next expression in the list.
3749 (simple_mem): Check if expression qualifies for ld/st expression list.
3750 (invalidate_any_buried_refs): Remove from expression list if its
3751 used in some other way we dont understand.
3752 (compute_ld_motion_mems): Find all potential enhanced load motion
3754 (trim_ld_motion_mems): Remove any expressions which are invalid.
3755 (update_ld_motion_stores): Copy store values to registers for loads
3756 which have been moved.
3757 (regvec, st_antloc, num_store): New global statics.
3758 (reg_set_info): Marks registers as set.
3759 (store_ops_ok): Verfies registers expressions are valid in a block.
3760 (find_moveable_store): Look for moveable stores in a pattern.
3761 (compute_store_table): Find stores in a function worth moving, maybe.
3762 (load_kills_store): Check dependance of a load and store.
3763 (find_loads): Find any loads in a pattern.
3764 (store_killed_in_insn): Check if a store is killed in an insn.
3765 (store_killed_after): Check is store killed after an insn in a block.
3766 (store_killed_before): Check is store killed before an insn in a block.
3767 (build_store_vectors): Generate the antic and avail vectors.
3768 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3769 (insert_store): Add a store to an edge.
3770 (replace_store_insn): Replace a store with a SET insn.
3771 (delete_store): Delete a store insn.
3772 (free_store_memory): Free memory.
3773 (store_motion): Perform store motion.
3774 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3775 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3776 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3777 (f_options): Add gcse-lm and gcse-sm.
3779 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3781 * i386.c (expand_fp_movcc): Fix condition reversal code.
3783 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3784 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3785 (CLASS_MAX_NREGS): Use it.
3787 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3788 handle properly complex values.
3789 (CLASS_MAX_NREGS): Likewise; update comment.
3791 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3793 * ia64.c (ia64_flag_schedule_insns2): New variable.
3794 (ia64_override_options): Initialize it. Clear
3795 flag_schedule_insns_after_reload.
3796 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3798 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3800 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3801 Do not require source to match destination anymore;
3802 Add abort to the nontrivial cases that should be handled by split.
3803 (fix_trunc?fdi): Add SSE case for x86_64.
3804 (floatdi?f): Likewise.
3805 (floatdi?f_sse): New.
3806 (fix_trunc?fdi_sse): New.
3808 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3810 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3811 (DEBUG_ARANGES_END_LABEL): Ditto.
3812 (dwarfout_init): Generate length and version fields at the start
3813 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3814 after the length field.
3815 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3816 the .debug_aranges info.
3818 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3820 * i386.c (call, call_value): Make sure that resulting call_insn
3821 does have proper second operand.
3823 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3825 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3826 function. Remove include of sys/cygwin.h.
3828 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3830 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3831 (CPP_SPEC): Always search */include/w32api for header files.
3832 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3833 (LINK_SPEC): Add "cyg" to the library search prefixes.
3835 2001-04-08 Philip Blundell <philb@gnu.org>
3837 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3839 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3841 * cpperror.c (print_location): Don't special case <stdin>.
3842 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3843 WARNING, but we don't check if we're in system headers.
3844 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3845 * cpplib.c (do_warning): Warn in system headers.
3847 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3849 * mbchar.c: Include config.h first.
3851 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3853 * config.gcc: Set default for xmake_file at top, not bottom.
3854 Change places that set xmake_file to "none" to set to the
3855 empty string instead, or remove them entirely if there is no
3856 default xmake_file for this cpu_type. Remove references to
3859 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3860 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3861 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3862 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3863 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3864 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3865 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3866 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3867 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3868 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3871 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3872 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3873 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3874 config/mips/x-sysv, config/rs6000/x-aix31:
3875 Just set CLIB to -lld or -lmld, as appropriate.
3877 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3878 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3879 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3880 config/mips/x-iris, config/pa/x-pa:
3881 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3882 OTHER_FIXINCLUDES_DIRS.
3884 * config/i386/x-djgpp: Don't set LN or LN_S.
3885 * config/m88k/x-dolph: Don't define __m88k__.
3886 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3887 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3888 * config/i860/fx2800.h: No need to #undef SVR4.
3890 38 x-host fragments remain, 2 x-cpu.
3892 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3894 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3896 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3898 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3900 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3902 * configure.in: Add check for lstat.
3903 * configure, config.in: Regenerate.
3904 * cppinit.c (append_include_chain): Make empty path ".".
3905 * cpplib.c (do_line): Don't simplify #line paths.
3906 * cppfiles.c (remove_component_p): New function.
3907 (find_or_create_entry): Acknowledge stat () errors during
3908 path simplification.
3909 (handle_missing_header): Don't simplify paths.
3910 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3911 the empty path untouched. Don't leave a trailing '/'.
3913 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3915 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3916 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3918 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3920 * cppfiles.c (open_file): Fail directories silently, but
3921 with an errno of NOENT set.
3922 (read_include_file): Move the common exit code to the sole
3923 caller. Return an int indicating success or failure. Let
3924 open_file handle directories.
3925 (stack_include_file): If read_include_file fails,
3926 push a "null" buffer.
3928 2001-04-05 DJ Delorie <dj@redhat.com>
3930 * function.h (virtuals_instantiated): Declare.
3931 * function.c: (virtuals_instantiated): Make global.
3932 * calls.c (emit_library_call_value_1): Use
3933 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3934 Otherwise, use the stack pointer directly.
3936 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3938 * i386.c (x86_initialize_trampoline): New global function.
3939 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3940 (INITIALIZE_TRAMPOLINE): Move offline.
3941 * i386-protos.h (x86_initialize_trampoline): Declare.
3943 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3945 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3946 (lea_0): Rename to lea_1.
3947 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3948 (lea_general_?): Allow SImodes on TARGET_64BIT
3949 (lea_general_?_zext): New patterns.
3950 (call_1, call_1_rex64): Fix.
3952 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3954 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3956 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3958 * i386.c (function_arg): Return constm1_rtx for last argument.
3959 (ix86_expand_prologue): Update gen_call calls.
3960 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3961 * i386.md (call_pop): Likewise.
3962 (call): Second operand is VOIDmode.
3963 (call_0): Likewise; Support 64bits.
3964 (call_exp): New expander.
3965 (call_1): Get to the sync.
3966 (call_1_exp): New pattern.
3967 (call_value): Support 64bit.
3968 (call_value_exp): New pattern.
3969 (untyped_call): Update gen_call call.
3970 (call_value_pop): Disable for 64bit.
3971 (call_value_0_rex64): New pattern.
3972 (call_value_1_rex64): Likewise.
3974 2001-04-05 Bo Thorsen <bo@suse.de>
3976 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3978 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3980 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3981 satisfies ANY_QI_REG_P.
3983 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3985 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3988 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3991 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3993 * config.gcc: Remove default for xm_file. Clean up local
3994 machine type handling. Remove settings of xm_file to
3995 something that doesn't exist. In the big switch, set xm_file,
3996 don't append to it (the value before the big switch is always
3997 null). Don't force build_xm_file or host_xm_file to have a value.
3998 * configure.in: Remove default for xm_file. Do not special
3999 case $cpu/xm-$cpu.h not existing.
4000 * configure: Regenerate.
4002 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4004 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4005 when folding integer division and modulo operations.
4007 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4009 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4010 instead of DWARF2_ADDR_SIZE for EH addresses.
4011 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4014 2001-04-04 Richard Henderson <rth@redhat.com>
4016 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4017 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4018 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4020 2001-04-04 Richard Henderson <rth@redhat.com>
4022 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4023 * configure: Rebuilt.
4025 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4027 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4028 push insns to delete to it instead of deleting them.
4029 (delete_null_pointer_checks): Delete insns from delete_list after
4030 all delete_null_pointer_checks_1 passes are done.
4032 2001-04-04 Richard Henderson <rth@redhat.com>
4034 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4035 * configure: Rebuilt.
4037 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4039 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4040 * config/romp/xm-romp.h: Delete.
4042 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4044 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4047 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4049 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4050 all labels present in rtx.
4051 (try_split) Call new function for all split insns.
4053 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4055 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4056 sure the change won't be validated.
4058 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4060 * rtl.h (set_noop_p): Declare.
4061 * flow.c (set_noop_p): Move from here ...
4062 * rtlanal.c (set_noop_p): ... to here and enhance.
4063 * cse.c (delete_trivially_dead_insns): Use it.
4064 * gcse.c (hash_scan_set): Likewise.
4065 * jump.c (delete_noop_moves): Likewise.
4066 * recog.c (split_all_insns): Likewise.
4068 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4070 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4071 stack pointer via a LO_SUM. Ditto for setting a temp register
4072 used to save to the stack. Set cfa_temp when setting fp, and
4073 allow matches to cfa_temp in addition to cfa_store when saving
4074 regs. Handle POST_INC and LO_SUM register stores. Document the
4075 changes and errors in rule 12 doco.
4077 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4078 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4079 (load_reg): Move closer to epilogue code.
4080 (DO_FRAME_NOTES): Define to control the following..
4081 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4082 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4084 (hppa_expand_epilogue): Likewise.
4086 2001-04-03 Richard Henderson <rth@redhat.com>
4088 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4089 * configure: Rebuild.
4091 2001-04-03 Richard Henderson <rth@redhat.com>
4093 * rtl.h (LCT_THROW): New.
4094 * calls.c (emit_library_call_value_1): Handle it.
4095 * except.c (connect_post_landing_pads): Use it.
4097 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4099 * gansidecl.h: Delete file.
4100 * configure.in: Change all refs to gansidecl.h to use
4101 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4103 * configure: Regenerate.
4105 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4106 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4107 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4108 Don't include gansidecl.h.
4109 * intl.c, main.c, version.c, fixinc/fixlib.h,
4110 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4113 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4115 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4118 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4120 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4121 config/i386/xm-next.h, config/i386/xm-sco.h,
4122 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4123 config/m88k/xm-m88k.h: Delete.
4125 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4126 * config/romp/xm-romp.h: Don't define bcopy.
4127 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4128 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4130 * config.gcc: Remove references to deleted files.
4132 14 xm-host.h remain, 1 xm-cpu.h.
4134 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4135 David S. Miller <davem@pierdol.cobaltmicro.com>
4136 Andrew MacLeod <amacleod@redhat.com>
4138 Use byte offsets in SUBREGs instead of words.
4140 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4141 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4142 to pass new argument.
4143 (add_stored_regs): Use subreg_regno_offset function.
4144 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4146 (precompute_arguments): Use gen_lowpart_SUBREG.
4147 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4148 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4149 (simplify_set): Rework to use SUBREG_BYTE.
4150 (expand_field_assignment): Use SUBREG_BYTE.
4151 (make_extraction): Use SUBREG_BYTE.
4152 (if_then_else_cond): Use SUBREG_BYTE.
4153 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4154 (gen_lowpart_for_combine): Compute full byte offset.
4155 * cse.c (mention_regs): Use SUBREG_BYTE.
4156 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4157 (canon_hash): Use SUBREG_BYTE.
4158 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4159 (gen_lowpart_if_possible): Formatting.
4160 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4162 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4163 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4164 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4165 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4166 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4167 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4168 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4169 certain invariants about SUBREGs the compiler creates.
4170 (gen_lowpart_SUBREG): New function.
4171 (subreg_hard_regno): New function to get the final register number.
4172 (gen_lowpart_common): Use SUBREG_BYTE.
4173 (gen_imagpart): Spacing nits.
4174 (subreg_realpart_p): Use SUBREG_BYTE.
4175 (gen_highpart): Use SUBREG_BYTE.
4176 (subreg_lowpart_p): Always compute endian corrected goal offset,
4177 even at the byte level, then compare against that.
4178 (constant_subword): New function, pulled out all constant cases
4179 from operand_subword and changed second argument name to offset.
4180 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4181 and call constant_subword to do the work. Return const0_rtx if
4182 looking for a word outside of OP.
4183 (operand_subword_force): Change second arg name to offset.
4184 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4185 (store_split_bit_field): Use SUBREG_BYTE.
4186 (extract_bit_field): Use SUBREG_BYTE.
4187 (extract_split_bit_field): Use SUBREG_BYTE.
4188 (expand_shift): Use SUBREG_BYTE.
4189 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4190 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4191 * flow.c (set_noop_p): Use SUBREG_BYTE.
4192 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4193 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4194 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4196 (optimize_bit_field): Use SUBREG_BYTE.
4197 (purge_addressof_1): Use SUBREG_BYTE.
4198 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4199 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4200 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4201 * gengenrtl.c (special_rtx): Add SUBREG.
4202 * global.c (mark_reg_store): Use SUBREG_BYTE.
4203 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4204 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4205 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4206 final byte offset is congruent to subreg's mode size.
4207 (subst_constants): Use SUBREG_BYTE.
4208 (mark_stores): Use subreg_regno_offset function.
4209 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4210 function and SUBREG_BYTE.
4211 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4212 (reg_is_born): Use subreg_hard_regno.
4213 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4214 endian correction code. Don't combine subregs unless resulting
4215 offset aligns with type. Fix subreg constant extraction for DImode.
4216 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4217 (general_operand): Remove dead mode_altering_drug code.
4218 (indirect_operand): Use SUBREG_BYTE.
4219 (constrain_operands): Use subreg_regno_offset function.
4220 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4221 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4222 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4223 * regs.h (REG_SIZE): Allow target to override.
4224 (REGMODE_NATURAL_SIZE): New macro which target can override.
4225 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4226 on the entire subreg rtx.
4227 (push_reload): Use SUBREG_BYTE in comments and code.
4228 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4229 for hard registers inside subregs.
4230 (operands_match_p): Use subreg_regno_offset.
4231 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4232 containing hard regs.
4233 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4234 corrections when fixing up MEM subregs.
4235 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4236 subreg_regno_offset where appropriate.
4237 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4238 byte endian corrections when fixing up MEM subregs.
4239 (subst_reloads): When combining two subregs, make sure final
4240 offset is congruent to subreg's mode size.
4241 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4242 (refers_to_regno_for_reload_p): Use subreg_regno.
4243 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4244 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4245 correction code for memory subreg fixups.
4246 (forget_old_reload_1): Use subreg_regno_offset.
4247 (choose_reload_regs): Use subreg_regno.
4248 (emit_input_reload_insns): Use SUBREG_BYTE.
4249 (reload_combine_note_store): Use subreg_regno_offset.
4250 (move2add_note_store): Use subreg_regno_offset.
4251 * resource.c (update_live_status, mark_referenced_resources): Use
4252 subreg_regno function.
4253 (mark_set_resources): Use subreg_regno function.
4254 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4255 (subreg_regno_offset, subreg_regno): Define prototypes.
4256 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4257 (gen_lowpart_SUBREG): Add prototype.
4258 * rtl.texi (subreg): Update to reflect new byte offset representation.
4259 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4260 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4261 (reg_overlap_mentioned_p): Use subreg_regno.
4262 (replace_regs); Make sure final offset of combined subreg is
4263 congruent to size of subreg's mode.
4264 (subreg_regno_offset): New function.
4265 (subreg_regno): New function.
4266 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4267 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4268 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4269 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4270 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4271 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4272 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4273 (print_operand): Use SUBREG_BYTE.
4274 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4275 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4276 (arm_reload_out_hi): Use SUBREG_BYTE.
4277 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4278 instead of SUBREG_WORD.
4279 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4280 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4281 SUBREG creation to use byte offset.
4282 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4283 inverted load insns): Fix explicit rtl subregs to use byte
4285 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4286 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4287 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4288 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4289 to use byte offsets.
4290 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4291 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4292 offsets, also make sure it is congruent to SUBREG's mode size.
4293 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4294 unnamed ldob insn): Generate SUBREGs with byte offset.
4295 (zero_extendqihi2): SUBREG's are byte offsets.
4296 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4297 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4298 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4299 zero-extendqisi2): Generate SUBREGs with byte offset.
4300 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4301 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4302 subregs in rtl to use byte offsets.
4303 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4304 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4305 (mips_move_2words): Use subreg_regno_offset.
4306 (mips_secondary_reload_class): Use subreg_regno_offset.
4307 * config/mips/mips.md (DImode plus, minus, move, and logical op
4308 splits): Fixup explicit subregs in rtl to use byte offsets.
4309 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4310 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4311 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4312 rtl to use byte offsets.
4313 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4314 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4315 subregs to use byte offsets.
4316 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4317 Fixup explicit subregs in rtl to use byte offsets.
4318 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4319 and remove byte endian correction code.
4320 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4321 (gen_ashift_hi): Use SUBREG_BYTE.
4322 (regs_used): Use subreg_regno_offset.
4323 (machine_dependent_reorg): Use subreg_regno_offset.
4324 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4325 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4326 (movdf_i4): Subregs are byte offsets now.
4327 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4328 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4329 (REGMODE_NATURAL_SIZE): Override.
4330 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4331 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4333 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4334 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4335 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4336 it is congruent to SUBREG's mode size.
4337 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4339 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4340 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4341 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4342 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4343 * config/v850/v850.c (print_operand, output_move_double): Use
4344 subreg_regno function.
4346 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4348 * configure.in (target_subdir): Use target_alias, not target.
4349 * configure: Rebuilt.
4351 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4353 * config/sh/crti.asm: Fix typos in comments.
4355 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4357 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4358 TARGET_FAST_INDIRECT_CALLS.
4359 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4361 (return_addr_rtx): Short circuit export stub matching when
4362 TARGET_NO_SPACE_REGS.
4363 (output_millicode_call): For out of range calls, make -fPIC
4364 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4365 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4366 * pa.md: Modify length attr calculation of all millicode insns to
4369 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4371 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4372 Require at least 2.11 in the version test. Specifically check
4373 for and reject GAS version 2.10.90.
4374 * configure: regenerate.
4376 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4378 * pa.c (override_options): Remove PIC profiling warning.
4379 (hp_profile_labelno): Delete.
4380 (hp_profile_label_rtx): Delete.
4381 (hp_profile_label_name): Delete.
4382 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4383 (output_function_prologue): Remove profiling code and all tests on
4384 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4385 merge_sp_adjust_with_store can work for PIC and profiling.
4386 (hppa_expand_epilogue): Remove profile_flag test.
4387 (hppa_can_use_return_insn_p): Likewise.
4388 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4389 cater for PROFILE_HOOK.
4390 (hppa_profile_hook): New function.
4391 * pa.h (FUNCTION_PROFILER): Now does nothing.
4392 (PROFILE_HOOK): Define.
4393 (hppa_profile_hook): Declare.
4394 (PROFILE_BEFORE_PROLOGUE): Delete.
4395 (ASM_OUTPUT_REG_PUSH): Delete.
4396 (ASM_OUTPUT_REG_POP): Delete.
4397 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4398 r24. Accept function name operand, and use this and a locally
4399 generated label to calculate pc-rel offset to func start.
4401 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4403 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4404 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4407 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4409 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4410 LO_SUM cases to where they belong.
4412 2001-04-02 Richard Henderson <rth@redhat.com>
4414 * except.h (lang_eh_type_covers): Mark extern.
4415 (lang_eh_runtime_type): Likewise.
4417 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4419 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4420 gengenrtl.c: Wrap generated header in multiple-include guard.
4421 Improve error checking.
4423 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4425 * configure.in: Don't check for putenv.
4426 * configure: Regenerate.
4427 * gcc.c (putenv): Don't define.
4428 * vax/xm-vms.h: Handle putenv.
4430 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4432 * ifcvt.c (noce_emit_move_insn): New.
4433 (noce_try_store_flag, noce_try_store_flag_constants,
4434 noce_try_store_flag_inc, noce_try_store_flag_mask,
4435 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4436 noce_try_abs): Use it.
4437 (noce_process_if_block): Likewise.
4438 For STRICT_LOW_PART, take mode from its SUBREG.
4440 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4442 * fold-const.c (fold): Before optimizing unsigned comparison with
4443 0x7fffffffU, make sure arg0 is integral type.
4445 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4447 * c-tree.texi: Document representation of wide strings.
4449 2001-04-01 Richard Henderson <rth@redhat.com>
4451 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4453 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4455 * i386.md: remove obsoleted comments.
4456 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4457 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4458 fix output template.
4460 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4462 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4464 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4466 * loop.c (load_mems): When generating a load from a pseudo, update
4469 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4471 * i386.c (ix86_split_long_move): Use change address to compensate
4472 stack pointer change in push instruction.
4474 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4476 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4477 instead of rtx_equal_p; fix the output template.
4479 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4481 * i386.c (ix86_expand_setcc): Support 64bit.
4482 (ix86_expand_int_movcc): Likewise.
4483 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4486 * i386.md (allocate_stack_worker): Turn to expander.
4487 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4489 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4491 2001-03-29 Richard Henderson <rth@redhat.com>
4493 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4495 2001-03-28 Matthew Hiller <hiller@redhat.com>
4497 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4500 * MAINTAINERS: Added self.
4502 2001-03-28 Richard Henderson <rth@redhat.com>
4504 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4505 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4507 2001-03-28 Jim Wilson <wilson@redhat.com>
4509 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4512 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4516 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4519 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4521 2001-03-28 DJ Delorie <dj@redhat.com>
4523 * Makefile.in (stage1_build): Revert CFLAGS patch.
4525 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4527 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4528 when multiplier or multiplicand is zero.
4530 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4532 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4534 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4536 (set_src_needs_barrier): Likewise.
4537 (rtx_needs_barrier): For SET case, use these two functions. Rework
4538 PARALLEL case to handle all inputs before all outputs.
4539 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4540 saw a label and no stop bit since then.
4541 (maybe_rotate, process_epilogue): Add prototypes.
4543 2001-03-28 Richard Henderson <rth@redhat.com>
4545 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4546 not TARGET_TOC for special toc restore handling.
4547 * config/rs6000/rs6000.md (eh_return): Likewise.
4549 2001-03-28 Richard Henderson <rth@redhat.com>
4551 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4552 current_function_calls_eh_return.
4553 (output_function_epilogue): Handle eh_return.
4554 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4555 (EH_RETURN_DATA_REGNO): New.
4556 (EH_RETURN_STACKADJ_RTX): New.
4557 (EH_RETURN_HANDLER_RTX): New.
4558 * config/sparc/sparc.md (call/short branch peepholes): Check
4559 can_throw_internal instead of in_same_eh_region.
4561 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4562 for eh_return data registers.
4563 (rs6000_emit_prologue): Save eh_return data registers.
4564 (rs6000_emit_epilogue): Force inline restores if eh_return.
4565 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4566 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4567 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4568 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4569 the target uses one.
4570 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4571 (return_eh_si, return_eh_di): Remove.
4572 (eh_return): New, from corpse of eh_epilogue.
4573 (eh_set_lr_si, eh_set_lr_di): New.
4575 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4576 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4577 True for pic register if current_function_calls_eh_return.
4578 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4579 Handle eh_return requirements.
4580 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4581 (EH_RETURN_STACKADJ_RTX): New.
4582 * config/i386/i386.md (exception_receiver): Remove.
4583 (eh_return, eh_return_1): New.
4584 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4586 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4587 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4588 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4589 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4590 (EH_RETURN_DATA_REGNO): New.
4591 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4592 * config/alpha/alpha.md (eh_epilogue): Remove.
4593 (exception_receiver): Use $26 for ldgp input.
4594 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4596 2001-03-28 Richard Henderson <rth@redhat.com>
4598 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4599 * except.h: Likewise.
4601 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4602 (LIB2ADDEHDEP): New.
4603 (LIB2FUNCS_EH): Remove.
4604 (LIB2ADD): Remove LIB2ADDEH.
4605 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4606 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4607 (crt{begin,end}[S].o): Likewise.
4608 (except.o): Update includes.
4609 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4610 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4612 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4613 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4614 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4615 * builtins.c (expand_builtin): Implement it.
4616 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4617 * c-common.c (c_common_nodes_and_builtins): Declare it.
4618 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4619 * calls.c (libfunc_nothrow): Remove.
4620 (emit_library_call_value_1): Don't call it.
4621 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4622 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4623 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4624 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4625 (current_funcdef_number): Globalize.
4626 (output_call_frame_info): Emit frame data if an lsda is needed.
4627 Generate augmentation for personality routine. Don't play with
4629 (dwarf2out_begin_prologue): Record funcdef_number.
4630 * dwarf2out.h (current_funcdef_number): Declare.
4631 * expr.c (expand_expr): Update for except.h name changes.
4632 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4633 * expr.h (LTI_throw, LTI_rethrow): Remove.
4634 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4635 (LTI_eh_rtime_match): Remove.
4636 (LTI_unwind_resume, LTI_eh_personality): Add.
4637 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4638 * final.c (final): Don't call check_exception_handler_labels,
4639 init_insn_eh_region, or free_insn_eh_region.
4640 (final_scan_insn): Always emit debug labels for
4641 NOTE_INSN_EH_REGION notes.
4642 * flags.h (flag_new_exceptions): Remove.
4643 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4644 (record_active_eh_regions): Remove.
4645 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4646 Use can_throw_internal.
4647 (find_basic_blocks_1): Likewise.
4648 (move_stray_eh_region_notes): Remove.
4649 (find_label_refs): No eh_return_stub_label.
4650 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4651 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4653 (delete_unreachable_blocks): Don't track deleted handlers.
4654 (flow_delete_block): Use maybe_remove_eh_handler.
4655 (delete_eh_regions): Remove.
4656 (merge_blocks): Don't check for eh region match.
4657 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4658 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4659 (init_propagate_block_info): Disable dead frame store optimization
4660 when current_function_calls_eh_return.
4661 (dump_bb): Don't print eh_beg, eh_end.
4662 * function.c (fixup_var_refs): No catch_clauses.
4663 (expand_function_end): Likewise. Call expand_eh_return before
4664 the return register use. Call sjlj_emit_function_exit_after.
4665 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4666 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4667 * ifcvt.c (dead_or_predicable): Remove eh region check.
4668 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4669 Don't check for EH vs parameters.
4670 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4671 (expand_inline_function): Call duplicate_eh_regions.
4672 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4673 (copy_insn_notes): Remap REG_EH_REGION notes.
4674 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4675 * integrate.h (struct inline_remap): Add local_return_label.
4676 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4677 check_exception_handler_labels, nor exception_optimize.
4678 (find_cross_jump): No EH region check.
4679 * optabs.c (init_optabs): Update for changed eh libfuncs.
4680 * rtl.def (RESX): New.
4681 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4682 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4683 checks. Update for except.h name changes.
4684 (expand_cleanups): Likewise.
4685 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4686 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4687 (compile_file): Call init_eh before init_optabs. Don't
4688 output_exception_table here.
4689 (rest_of_compilation): Call convert_from_eh_region_ranges,
4690 convert_to_eh_region_ranges, output_function_exception_table.
4691 Don't emit_eh_context.
4692 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4693 (EXC_PTR_EXPR): New.
4695 * md.texi (eh_epilogue): Remove.
4696 (eh_return): Document.
4697 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4698 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4700 * eh-common.h: Remove file.
4701 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4702 * libgcc2.c (L_eh): Remove.
4704 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4705 * unwind-dw2-fde.h: New file.
4706 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4707 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4708 * libgcc-std.ver: Update for eh symbols.
4710 2001-03-27 Richard Henderson <rth@redhat.com>
4712 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4713 reduce false positives.
4714 (regmove_optimize): Disable if flag_non_call_exceptions.
4716 * stmt.c (expand_return): Remove always true predicate.
4717 (expand_decl_cleanup_no_eh): Remove dead code.
4719 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4720 barrier code. Add a scheduling barrier if a non-call insn
4721 can throw internally.
4723 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4724 Auto-inc addresses trap only if their base register does.
4726 * except.c (can_throw_internal): Rename from can_throw.
4727 * except.h, resource.c: Update references.
4729 * integrate.c (copy_insn_list): Use returnjump_p.
4730 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4732 * function.h (struct function): Move all boolean valued fields
4733 to single bit fields at the end of the struct.
4735 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4737 Rename asynchronous_exceptions to flag_non_call_exceptions.
4739 * gthr-single.h (UNUSED): New. Distinguish between how C
4740 and C++ mark unused function arguments. Use throughout.
4742 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4743 value to target configuration header.
4744 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4745 * config.in, configure: Rebuild.
4746 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4747 configuration and target defines.
4748 (exceptions_via_longjmp): Remove.
4749 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4750 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4752 * except.h (flag_non_call_exceptions): Move ...
4753 * flags.h: ... here.
4755 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4756 exceptions, put the note on the trapping instruction.
4758 * flags.h (flag_new_exceptions): Remove.
4759 * toplev.c: Don't set it.
4760 * final.c: Don't check it.
4761 * except.c: Provide stub definition.
4763 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4764 (calculate_global_regs_live): Kill call-clobbered registers
4765 across exception edges.
4766 * reg-stack.c (convert_regs_1): Kill the entire target stack
4767 across non-call exception edges.
4769 * flow.c (cleanup_cfg): Take no argument.
4770 * output.h, sibcall.c, toplev.c: Update all calls.
4772 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4774 * configure.in: Don't check for bcopy.
4775 * configure, config.in: Regenerate.
4777 * system.h: Don't define or prototype bcopy, instead poison it.
4779 2001-03-27 Richard Henderson <rth@redhat.com>
4781 * function.c (expand_function_start): Set DECL_REGISTER on
4782 a pseudo used for DECL_RESULT.
4784 * rtl.h (LCT_NORETURN): New.
4785 * calls.c (emit_library_call_value_1): Handle it.
4787 2001-03-27 Stan Shebs <shebs@apple.com>
4789 * objc/objc-act.c (objc_init): Use dump_base_name.
4790 (gen_declaration): Clear the buffer arg.
4791 (gen_declaration_1): New function, body of gen_declaration.
4792 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4793 (gen_method_decl): Ditto, plus always clear buffer arg.
4794 (error_with_ivar): Simplify.
4795 (warn_with_method): Ditto.
4796 (build_message_expr): Don't clear buffers.
4797 (dump_interface): Ditto.
4798 (objc_debug): Ditto.
4799 (build_keyword_selector): Clear the buffer by only zeroing
4801 (objc_implementation_context): Declare.
4802 (start_class): Warn about missing @end.
4803 (finish_objc): Ditto.
4805 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4807 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4809 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4811 * Makefile.in (SYSTEM_H): Define.
4812 Depend on $(SYSTEM_H), not system.h.
4814 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4816 2001-03-27 Jim Wilson <wilson@redhat.com>
4818 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4820 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4821 (process_epilogue): New static function.
4822 (process_set): Call process_epilogue instead of emitting .restore
4824 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4826 * flow.c (struct reg_cond_life_info): New fields orig_condition
4828 (init_propagate_block_info): Set new fields.
4829 (mark_regno_cond_dead): Set and use new fields.
4830 (flush_reg_cond_reg_1): Likewise.
4831 (and_reg_cond, case AND): Check for redundant AND conditions.
4832 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4835 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4837 * cppmacro.c (stringify_arg): Null terminate strings.
4839 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4841 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4842 inclusion style. xm-m68hc11.h no longer exists.
4843 * config/m68hc11/xm-m68hc11.h: Delete file.
4844 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4846 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4847 Don't define GCC_VERSION, N_, or PARAMS; don't include
4848 gansidecl.h or stdio.h. Define inhibit_libc here.
4849 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4850 Delete code conditioned on #if GCC_VERSION == 2095.
4852 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4853 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4854 Delete code conditioned on #if GCC_VERSION == 2095.
4856 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4858 * system.h: Include symcat.h.
4859 (STRINGIFY): Don't define.
4861 * configure.in: Adjust comment.
4863 * builtins.c: Use STRINGX, not STRINGIFY.
4864 * gencheck.c: Likewise.
4865 * gengenrtl.c: Likewise.
4866 * protoize.c: Likewise.
4868 * cpplex.c: Don't include symcat.h.
4869 * cpplib.c: Likewise.
4871 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4873 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4875 * c-typeck.c (digest_init): Fold init expression.
4877 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4879 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4881 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4883 * except.c (eh_regs): Save results of build_pointer_type to a temp
4884 as FUNCTION_VALUE macro may evaluate its args multiple times.
4886 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4888 * c-common.h (DECL_NUM_STMTS): New macro.
4889 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4891 (pushdecl): Likewise.
4892 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4893 * integrate.c (expand_inline_function): Don't check
4895 * print-tree.c (print_node): Don't print it.
4896 * toplev.c (rest_of_compilation): Don't try to inline when
4897 flag_no_inline is on.
4898 * tree.h (DECL_FRAME_SIZE): Remove.
4899 (tree_decl): Adjust accordingly.
4901 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4903 * combine.c (try_combine): Use memcpy, not bcopy.
4905 * genattrtab.c (expand_units): Likewise.
4907 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4909 * i386.md (push mem DI peep2): New.
4910 (mov 0, mov -1 peep2): Handle 64bit.
4911 (lea to arithmetics peep2): Handle 64bit leas.
4912 (rsp arithmetics to push/pop peep2s): New.
4914 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4916 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4918 * i386.c (struct machine_function): Add save_varrargs_registers.
4919 (ix86_save_varrargs_registers): New macro.
4920 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4921 (ix86_expand_prologue): Likewise.
4922 (ix86_emit_epilogue_esp_adjustement): Likewise.
4923 (ix86_expand_epilogue): Likewise.
4924 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4925 (pro_epilogue_adjust_stack_1): New insn.
4926 (pro_epilogue_adjust_stack_rex64): Likewise.
4927 * i386.h (MASK_NO_RED_ZONE): New constant.
4928 (TARGET_RED_ZONE): New macro.
4929 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4930 (RED_ZONE_SIZE): New constant.
4931 (RED_ZONE_RESERVE): New constant.
4933 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4935 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4937 2001-03-25 Kazu Hirata <kazu@hxi.com>
4939 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4942 (umodhi3): Likewise.
4945 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * mkconfig.sh (DEFINES): Handle entries with '='.
4949 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4950 Set xm_defines to MACRO=value instead.
4952 * i370/xm-mvs.h: Delete.
4954 * ns32k/xm-pc532-min.h: Likewise.
4956 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4958 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4960 use ix86_expand_binary_operator
4961 (?sh??i_?): Disable for 64bit.
4962 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4963 * i386.c (shiftdi_operand): New predicate.
4965 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4966 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4967 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4968 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4969 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4970 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4971 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4972 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4973 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4974 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4975 (rotldi3, rotrdi3): New expanders.
4977 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4979 * i386.md (movstrsi): Move offline.
4981 (strmovdi_rex64): New.
4982 (strmov?i): Accept 64bit.
4983 (strmov?i_rex64): New.
4984 (strmov?i_rex_1): New.
4985 (strmov?i_1): Disable for 64bit.
4986 (rep_mov?i_rex64): New.
4987 (rep_mov?i): Disable for 64bit.
4988 (clrstrsi): Move offline.
4989 (strset?i_rex64): New.
4990 (strset?i: Accept 64bit.
4991 (rep_stos?i): Disable for 64bit.
4992 (rep_stos?i_rex64): New.
4993 (strset?i_rex_1): New.
4994 (strset?i_1): Disable for 64bit.
4995 (cmpstrsi): Accept 64bit.
4996 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4997 (cmpstrqi_nz_rex_1): New.
4998 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4999 (strlensi): Move offline.
5001 (strlenqi_1): Disable for 64bit; fix constraints.
5002 (strlenqi_rex_1): New.
5003 * i386.c (ix86_adjust_counter): New static function.
5004 (ix86_zero_extend_to_Pmode): Likewise.
5005 (ix86_expand_aligntest): Likweise.
5006 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5007 (ix86_expand_movstr): New global function.
5008 (ix86_expand_clrstr): New global function.
5009 (ix86_expand_strlen): New global function.
5010 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5011 ix86_expand_strlen): Declare.
5012 (ix86_expand_strlensi_unroll_1): Delete.
5014 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5016 * i386.md (cmpdi): Fix operand predicates.
5017 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5018 cmpdi_1_insn_rex64): New patterns.
5019 (adddi3): Turn to expander.
5020 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5021 (addsi3_carry_zext): New pattern.
5022 (adddi_?_rex64): New patterns and splitters.
5023 (addsi_?_zext): New patterns.
5024 (subsi3_carry_zext): New pattern.
5025 (subdi_?_rex64): New patterns and splitters.
5026 (iorsi_?_zext): New patterns.
5027 (iordi_?_rex64): New patterns and splitters.
5028 (iorsi_?_zext): New patterns.
5029 (iorsi_?_zext_imm): New patterns.
5030 (xorsi_?_zext): New patterns.
5031 (xordi_?_rex64): New patterns and splitters.
5032 (xorsi_?_zext): New patterns.
5033 (negdi*): New patterns.
5034 (one_cmpldi*): Likewise.
5035 (one_cmplsi*_zext, negsi*_zext): Likewise.
5036 (testqi_ext_3_rex64): New pattern.
5038 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5040 * i386-protos.h (ix86_split_long_move): Return void.
5041 * i386.c (ix86_split_to_parts): Handle 64bit target.
5042 (ix86_split_long_move): Likewise.
5043 * i386.md (all calls to ix86_split_long_move): Update.
5045 2001-03-23 Richard Henderson <rth@redhat.com>
5047 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5048 to avoid shadowing arguments.
5050 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5052 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5053 to variable names where DECL_NAME is different from
5054 DECL_ASSEMBLER_NAME.
5056 2001-03-23 Jim Wilson <wilson@redhat.com>
5058 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5059 (assemble_alias): Call make_decl_rtl.
5061 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5063 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5065 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5067 * extend.texi: Document the "java_interface" attribute.
5069 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5071 * mkconfig.sh: Use a subshell with redirected stdout,
5072 instead of closing stdout and confusing commands that run
5073 afterward. Throw away output of cmp.
5075 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5077 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5079 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5081 * i386.md (zero_extendsidi2_32): Break out from ...
5082 (zero_extendsidi2): ... here ; turn to expander.
5083 (zero_extendsidi2_rex64): New.
5084 (extendsidi2_32): Break out from ...
5085 (extendsidi2): ... here ; turn to expander.
5086 (extendsidi2_rex64): New.
5087 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5088 (trunc?f?f splitters): Add 64bit versions.
5090 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5092 * i386.md (pushsi, pushsi2_prologue): Disable.
5093 (pushsi2_rex64): New.
5094 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5095 (movqi_ext_1): Disable for 64bit.
5096 (movqi_ext_1_rex64): New.
5097 (pushdi2_rex64): New pattern, peep2s and splitter.
5098 (pushdi2_prologue_rex64): New pattern.
5099 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5101 (movdi splitters): Disable for 64bit.
5102 (movdi_1_rex64): New pattern, peep2s and splitters.
5103 (swapdi): New pattern.
5104 (pushsf): Disable for 64bit.
5105 (pushsf_rex64): New pattern and splitter.
5106 (pushdf_nointeger): Disable for 64bit.
5107 (pushdf_integer): Handle the 64bit case.
5108 (pushtf): Likewise; update splitters.
5110 2001-03-22 Richard Henderson <rth@redhat.com>
5112 * mkconfig.sh: Include insn-flags.h.
5113 * Makefile.in (CONFIG_H): Include insn-flags.h.
5114 (lots of objects): Remove insn-codes.h and insn-flags.h.
5116 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5117 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5118 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5119 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5120 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5121 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5122 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5123 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5124 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5125 v850/v850.c, vax/vax.c:
5126 Don't include insn-flags.h.
5128 * diagnostic.c, expr.h, reload.c, toplev.c:
5129 Don't include insn-codes.h.
5131 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5132 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5133 c4x/c4x.c, i960/i960.c, mips/mips.c:
5134 Don't include insn-codes.h or insn-flags.h.
5136 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5137 or insn-flags.h in the generated code.
5138 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5139 (main): Forward declare struct rtx_def.
5141 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5143 * invoke.texi (-ffast-math): Remove duplicate line about
5146 * gcc.texi: Remove more obsolete documentation of bugs and
5147 installation problems.
5149 2001-03-21 Kazu Hirata <kazu@hxi.com>
5151 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5154 2001-03-20 Jason Merrill <jason@redhat.com>
5156 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5158 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5159 * varasm.c (CHKR_PREFIX): Likewise.
5161 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5163 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5164 is part of a multi-SET insn.
5166 * cse.c (find_comparison_args): Remove previous change.
5167 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5170 * config/i386/i386.md (conditional_trap): Remove warning.
5172 * recog.c (push_operand): Fix error in last change that caused
5173 undefined symbol on many targets.
5175 * sdbout.c: #include ggc.h.
5176 (sdbout_init): Move to end of file.
5177 Call ggc_add_tree_root for anonymous_types.
5178 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5179 (sdbout_one_type): Use DECL_NAME for field name.
5180 * Makefile.in (sdbout.o): Show includes ggc.h.
5182 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5184 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5185 (override_options): Use properlimits for preferred_stack_boundary.
5186 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5188 (ext_register_operand): Accept DImode.
5189 (load_pic_register): Abort on 64bit.
5190 (gen_push): Use Pmode instead of SImode.
5191 (ix86_save_reg): Pic reg is never used on 64bit.
5192 (ix86_expand_prologue): Likewise.
5193 (ix86_emit_save_regs): Use Pmode instead of SImode.
5194 (legitimate_address_p): Check displacement for 64bit.
5195 (print_operand): Avoid outputting of (%rip) on 64bit.
5196 (print_operand_address): Output (%rip) where possible.
5197 (split_di): Abort on 64bit registers.
5198 (ix86_expand_branch): DImode comparison is simple for x86_64.
5199 (memory_address_length): Recognize memory addresses formed using
5201 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5203 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5205 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5207 * recog.c (push_operand): Recognize new format of push instructions.
5209 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5211 * i386.md (pushqi1): New.
5212 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5213 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5214 x86_64_immediate_operand, x86_64_immediate_operand,
5215 x86_64_zext_immediate_operand): Declare.
5216 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5217 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5218 x86_64_immediate_operand, x86_64_immediate_operand,
5219 x86_64_zext_immediate_operand): define.
5220 * i386.h (PREDICATE_CODES): Add new predicates.
5222 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5224 * i386.md (pophi1, popqi1, pushqi1): Remove.
5226 * expr.c (emit_single_push_insn): New function.
5227 (move_by_pieces): Accept NULL as destination for push instructions.
5228 (gen_push_operand): Kill.
5229 (emit_push_insn): Pass NULL when pushing; avoid updating of
5230 stack_pointer_delta.
5231 * expr.h (gen_push_operand): Kill.
5233 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5235 * rtl.texi (COMPARE): Clarify documentation and reference section
5238 2001-03-20 Stan Shebs <shebs@apple.com>
5240 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5241 (get_object_reference): Ditto.
5242 (error_with_ivar): Use error_with_file_and_line.
5243 (warn_with_method): Use warning_with_file_and_line.
5245 2001-03-20 Tom Tromey <tromey@redhat.com>
5247 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5249 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5251 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5252 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5254 2001-03-20 DJ Delorie <dj@redhat.com>
5256 * Makefile.in (install-libgcc): Pass complete list of variables.
5257 (install-multilib): Ditto.
5259 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5261 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5262 drectve_section, switch_to_section.
5264 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5265 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5266 i386_pe_mark_dllimport.
5268 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5270 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5271 functions i386_pe_*.
5273 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5274 i386_pe_* functions with char * arguments.
5276 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5278 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5280 (movsi_ie): Introduce fpul store.
5282 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5284 * Makefile.in (OBJS): Remove hashtab.o.
5286 2001-03-19 Stan Shebs <shebs@apple.com>
5288 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5289 * c-lang.c (maybe_objc_method_name): Ditto.
5290 * c-tree.h (maybe_objc_method_name): Remove decl.
5292 2001-03-19 Tom Tromey <tromey@redhat.com>
5294 * gcc.c (init_gcc_specs): Fix comment.
5296 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5298 Compute DECL_ASSEMBLER_NAME lazily.
5299 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5300 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5301 (SET_DECL_ASSEMBLER_NAME): Likewise.
5302 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5303 (set_decl_assembler_name): Declare.
5304 (lang_set_decl_assembler_name): Likewise.
5305 * tree.c (lang_set_decl_assembler_name): New variab.e
5306 (set_decl_assembler_name): New function.
5307 (init_obstacks): Set lang_set_decl_assembler_name.
5308 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5309 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5310 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5311 where it's not necessary.
5312 (builtin_function): Likewise.
5313 (finish_decl): Likewise.
5314 * dbxout.c (dbxout_type_methods): Likewise.
5315 * ggc-common.c (ggc_mark_trees): Likewise.
5316 * profile.c (output_func_start_profiler): Likewise.
5317 * varasm.c (make_decl_rtl): Likewise.
5319 * cse.c (find_comparison_args): Update documentation. Fix
5320 mishandling of COMPARE operations.
5322 * tree.def (ABS_EXPR): Add documentation.
5323 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5325 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5327 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5329 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5331 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5332 Remove ia32 linux PIC kludge and move it...
5333 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5335 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5337 * i386.md (absdf2 expander): Fix 64bit case.
5339 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5341 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5343 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5345 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5347 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5349 * README.X11: Remove obsolete file.
5351 2001-03-18 Anthony Green <green@redhat.com>
5353 * config/pj/pj.h: Remove some trailing commas.
5354 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5356 2001-03-18 Richard Henderson <rth@redhat.com>
5358 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5359 * calls.c: ... here.
5360 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5361 defaults for them here.
5363 2001-03-17 Anthony Green <green@redhat.com>
5365 * config/pj/lib1funcs.S: Fix broken comment.
5366 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5369 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5371 * gcc.texi: Remove obsolete information relating to build and
5372 installation problems with enquire or the Pyramid C compiler.
5374 2001-03-17 Richard Henderson <rth@redhat.com>
5376 * dwarf2out.c (queue_reg_save): New.
5377 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5378 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5380 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5381 (cfa, cfa_store, cfa_temp): Make static.
5382 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5384 2001-03-17 Richard Henderson <rth@redhat.com>
5386 * integrate.h (struct inline_remap): Add local_return_label.
5387 * integrate.c (expand_inline_function): Initialize it and emit
5388 it after copy_insn_notes.
5389 (copy_insn_list): Don't store local_return_label here.
5390 (copy_insn_notes): New function split out from copy_insn_list.
5392 2001-03-17 Richard Henderson <rth@redhat.com>
5394 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5395 is generating .debug_line.
5396 (dwarf2out_init): Add main_input_filename to the file table first.
5397 * configure.in (as_dwarf2_debug_line): Test with file number 1
5398 instead of file number 0.
5400 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5402 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5403 (gen_rtx_combine): Deleted; all references changed as appropriate.
5404 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5406 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5408 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5410 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5413 2001-03-16 Jim Wilson <wilson@redhat.com>
5415 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5416 then set it to LOC_REG (79) instead of aborting.
5418 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5420 * gccbug.in: Remove high priority.
5422 2001-03-16 Richard Henerson <rth@redhat.com>
5424 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5425 output with a space instead of deleting it.
5426 * configure: Regenerate.
5428 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5430 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5431 handles the gory details of converting an object file into
5432 something that's safe to grep.
5433 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5434 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5435 newlines at either end of the string we're looking for.
5436 Make 'checking ...' message less stilted.
5437 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5438 ARM in-memory layout and its hypothetical converse. Don't
5439 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5440 HOST_WORDS_BIG_ENDIAN.
5442 * configure.in: Adjust for renamed macro. Move
5443 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5444 * configure, config.in: Regenerate.
5446 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5448 * fixinc/Makefile.in: Set SHELL.
5450 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5452 * fixinc/fixincl.c (fix_with_system): Quote file names before
5453 passing them to shell.
5455 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5457 * Makefile.in: Use fix-header$(build_exeext) instead
5460 2001-03-16 Richard Henderson <rth@redhat.com>
5462 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5463 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5464 (size_of_line_prolog): Remove.
5465 (output_line_info): Compute prologue size via label difference.
5466 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5468 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5469 assembler error when redefining file numbers.
5470 * config.in, configure: Rebuild.
5472 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5473 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5474 (dw2_asm_output_delta_uleb128): Likewise.
5475 (dw2_asm_output_delta_sleb128): Similarly.
5476 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5478 2001-03-16 Michael Meissner <meissner@redhat.com>
5480 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5482 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5484 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5486 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5487 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5488 being unsigned in ISO C and signed in traditional.
5489 (expand_prologue): Ditto.
5490 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5492 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5494 (divsi3,divdi3): Ditto.
5495 (modsi3,moddi3): Ditto.
5496 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5497 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5498 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5501 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5503 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5504 SSE based conditional moves on LTGT/UNEQ conditions;
5505 Canonicalize EQ to NE.
5506 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5507 (sse_mov?fcc_ne): New.
5509 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5511 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5513 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5514 register may be dead.
5516 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5518 * Makefile.in (hash.o): Depend on CONFIG_H.
5520 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5522 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5524 2001-03-15 Richard Henderson <rth@redhat.com>
5526 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5527 (ASM_OUTPUT_DWARF_PCREL): New.
5528 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5530 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5532 * cppfiles.c (stack_include_file): Use MAX of sysp.
5534 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5536 * config.gcc (ia64*-*-hpux*): New case.
5537 * config/ia64/hpux.h: New file for HP-UX support.
5538 * config/ia64/t-hpux: New file for HP-UX support.
5540 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5542 * fixinc/inclhack.def (irix_stdio_va_list): New.
5543 * fixinc/fixincl.x: Rebuilt.
5545 2001-03-15 Richard Henderson <rth@redhat.com>
5547 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5548 if provided by the target.
5549 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5550 (dw2_asm_output_addr): New.
5551 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5552 * dwarf2out.c (output_cfi): Use it for program addresses.
5553 (output_call_frame_info, output_die): Likewise.
5554 (output_aranges, output_line_info): Likewise.
5556 2001-03-15 Bruce Korb <bkorb@gnu.org>
5558 * gcc.c(main): make more rigorous
5559 * collect2.c(main): guard against ignoring SIGCHLD
5560 * protoize.c(main): ditto
5561 * gcc/fixinc/fixincl.c(initialize): ditto
5563 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5565 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5566 (sdbout_parms): Likewise.
5568 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5570 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5571 "widen" a destination that is already wider than a word. Also do
5572 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5574 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5576 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5578 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5580 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5582 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5584 * i960.h (i960_maxbitalignment,
5585 i960_last_maxbitalignment): Declare.
5586 * i960.c (i960_maxbitalignment,
5587 i960_last_maxbitalignment): Make global.
5588 (process_pragma): Delete.
5589 (i960_pr_align, i960_pr_noalign): Move from here ...
5590 * i960-c.c: ... to this new file.
5591 * t-960bare (i960-c.o): New rule.
5592 * t-vxworks960 (i960-c.o): Likewise.
5593 * config.gcc (i960-*-*): Define c_target_objs and
5596 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5598 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5599 without adding in rtx code and mode.
5601 * alias.c (init_alias_analysis): Don't use any rtx whose value
5602 varies as a known value.
5603 Delete a superfluous test.
5605 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5607 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5608 scheduling a stop bit.
5609 (ia64_emit_nops): Correctly handle ASMs.
5611 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5613 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5615 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5617 * cpp.texi: Update documentation for -include and -imacros.
5618 * cppfiles.c (struct include_file): Remove "defined" memeber.
5619 (find_or_create_entry): Make a copy of the file name, and
5621 (open_file): Update to ensure we use the simplified filename.
5622 (stack_include_file): Don't set search_from.
5623 (cpp_included): Don't simplify the path name here.
5624 (find_include_file): New prototype. Call search_from to
5625 get the start of the "" include chain. Don't simplify the
5627 (_cpp_execute_include): New prototype. Move diagnostics to
5628 do_include_common. Update.
5629 (_cpp_pop_file_buffer): Don't set defined.
5630 (search_from): New prototype. Use the preprocessor's cwd
5631 for files included from the command line.
5632 (read_name_map): Don't simplify the pathname here.
5633 * cpphash.h (enum include_type): New.
5634 (struct buffer): Delete search from. New search_cached.
5635 (_cpp_execute_include): Update prototype.
5636 * cppinit.c (do_includes): Use _cpp_execute_include.
5637 * cpplib.c (do_include_common): New function.
5638 (do_include, do_include_next, do_import): Use it.
5640 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5642 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5643 contents of the RTL, to determine the name of the object.
5645 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5647 * tree.h (DECL_RTL): Allocate RTL lazily.
5648 (SET_DECL_RTL): New macro.
5649 (DECL_RTL_SET_P): Likewise.
5650 (COPY_DECL_RTL): Likewise.
5651 (DECL_RTL_IF_SET): Likewise.
5652 * varasm.c (make_decl_rtl): Add assertions about the kind of
5653 declaration we are processing.
5654 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5655 (start_decl): Likewise.
5656 (finish_decl): Likewise.
5657 * c-semantics.c (emit_local_var): Likewise.
5658 * calls.c (expand_call): Likewise.
5659 * dbxout.c (dbxout_symbol): Likewise.
5660 * emit-rtl.c (unshare_all_rtl): Likewise.
5661 (unshare_all_decls): Likewise.
5662 (reset_used_decls): Likewise.
5663 * expr.c (store_constructor): Likewise.
5664 (safe_from_p): Likewise.
5665 (expand_expr): Likewise.
5666 * function.c (put_var_into_stack): Likewise.
5667 (instantiate_decls_1): Likewise.
5668 (assign_parms): Likewise.
5669 (expand_function_start): Likewise.
5670 (expand_function_end): Likewise.
5671 * ggc-common.c (gcc_mark_trees): Likewise.
5672 * integrate.c (function_cannot_inline_p): Likewise.
5673 (copy_decl_for_inlining): Likewise.
5674 (expand_inline_function): Likewise.
5675 (integrate_parm_decls): Likewise.
5676 (integrate_decl_tree): Likewise.
5677 * print-tree.c (print_node): Likewise.
5678 * reg-stack.c (stack_result): Likewise.
5679 * stmt.c (label_rtx): Likewise.
5680 (expand_return): Likewise.
5681 (expand_decl): Likewise.
5682 (expand_decl_cleanup): Likewise.
5683 (expand_anon_union_decl): Likewise.
5684 * toplev.c (check_global_declarations): Likewise.
5685 (rest_of_decl_compilation): Likewise.
5686 * tree.c (simple_cst_equal): Likewise.
5687 * objc/objc-act.c (generate_static_references): Likewise.
5689 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5691 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5692 gcc_AC_C_FLOAT_FORMAT): New macros.
5693 * configure.in: Add AC_PROG_CPP after CC tests;
5694 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5695 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5696 * configure, config.in: Regenerate.
5698 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5699 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5700 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5701 config/i370/xm-linux.h, config/i370/xm-oe.h,
5702 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5703 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5704 config/pa/xm-linux.h, config/pa/xm-pa.h,
5705 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5706 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5707 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5708 config/we32k/xm-we32k.h: Delete.
5710 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5711 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5712 config/vax/xm-vms.h: Don't define any of:
5713 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5715 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5717 * config.gcc: Remove references to deleted files.
5718 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5719 FATAL_EXIT_CODE, which is the same between oe and mvs).
5721 2001-03-14 DJ Delorie <dj@redhat.com>
5722 Vladimir Makarov <vmakarov@redhat.com>
5724 * config/i960/i960.c (i960_function_prologue): Compute size of
5725 frame according to number of registers actually saved there.
5727 2001-03-14 Richard Henderson <rth@redhat.com>
5729 * expr.c (emit_move_insn_1): Fix else if around #endif.
5731 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5734 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5737 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5739 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5740 (override_options): Parse cmodel string.
5741 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5742 * i386.h (TARGET_OPTIONS): Add "cmodel".
5743 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5745 (ix86_cmodel_string, ix86_cmodel): Declare.
5747 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5750 * i386.h (GENERAL_REG_P): Add missing REG_P.
5752 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5754 * configure.in: Use $gcc_cv_as instead of $as.
5755 * configure: Regenerated.
5757 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5759 * cppfiles.c (stack_include_file): Only increase the include
5760 count if we actually process the file properly, as opposed
5761 to treating it as length zero. Only call read_include_file
5762 if not DO_NOT_REREAD. Handle the -H include file output
5764 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5765 (cpp_included, find_include_file): Simplify pathnames after
5766 remapping them. If remapping, don't use the remapped file
5767 name's buffer as our scratch buffer.
5768 (cpp_pop_file_buffer): Replace the multiple include macro
5769 only if it isn't yet set.
5770 (read_name_map): Simplify remapped names when reading in.
5771 (remap_filename): Move code to code path that uses it.
5772 (_cpp_simplify_pathname): Return the input pointer.
5773 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5775 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5777 * expr.c (expand_expr): Revove bogus conditional.
5779 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5781 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5783 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5785 * reg-stack.c (stack_result): Unconditionally use
5786 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5788 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5790 * expr.c (emit_move_insn_1): Split push of complex value when
5791 no suitable push instruction exist.
5793 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5794 instead of QI_REG_P.
5796 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5798 * alias.c (handled_component_p, can_address_p): New functions.
5799 (get_alias_set): Use them.
5801 2001-03-13 Jim Wilson <wilson@redhat.com>
5803 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5804 from 80 in try_locals code.
5805 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5807 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5809 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5810 gcc_AC_C_LONG_LONG): New.
5811 * configure.in: Use them. Probe the size of short, int, long,
5812 and long long/__int64 if we have them. Move all the AC_C_*
5813 checks together, except gcc_AC_C_CHAR_BIT which has to go
5814 after AC_CHECK_HEADERS(limits.h).
5815 Take hwint.h out of host_xm_file and build_xm_file.
5817 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5818 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5819 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5820 Move the HOST_WIDEST_INT setup logic here from system.h.
5821 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5823 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5824 is now handled by hwint.h.
5826 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5827 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5828 config/ia64/xm-ia64.h: Don't define any of:
5829 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5830 HOST_BITS_PER_LONGLONG.
5832 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5833 config/h8300/xm-h8300.h, config/mips/iris6.h,
5834 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5835 config/sparc/xm-sp64.h: Delete.
5836 * config.gcc: Remove references to deleted files.
5838 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5839 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5840 * config/i370/xm-linux.h: Clarify floating-point situation in
5843 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5845 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5846 (find_include_file): Decide here which part of the include
5847 chain to start the search. Complain about an empty include
5848 chain in all cases apart from an abolsute file name.
5849 (_cpp_execute_include): Don't choose the search chain here.
5850 Don't call handle_missing_include in the case of an empty
5852 (_cpp_compare_file_date): Don't choose the search chain here.
5853 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5854 here from _cpp_execute_include. Behave like #include if
5855 we're in the main file.
5857 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5859 * system.h (malloc, realloc, calloc, strdup): Only poison these
5860 tokens when IN_GCC is defined.
5862 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5864 * i386.md (abs?f expander): Support SSE case.
5865 (abd?f_if): Add new "USE"; add splitters.
5867 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5869 * cpp.texi (poison): Explain the macro expansion exception.
5871 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5873 * expr.c (store_expr): Add dont_store_target. If temp is already in
5874 target before copying to reg, don't store it into target again.
5876 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5878 * cppinternals.texi: Update for file handling.
5880 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5882 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5883 2001-02-24 which broke building the Java library.
5884 * function.c (identify_blocks): Likewise.
5885 (all_blocks): Likewise.
5886 * integrate.c (integrate_decl_tree): Likewise.
5887 * print-tree.c (print_node): Likewise.
5888 * tree.h (BLOCK_NUMBER): Likewise.
5889 (struct tree_block): Likewise.
5891 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5893 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5894 __WCHAR_TYPE__ definition.
5895 (WCHAR_TYPE_SIZE): #undef before #define.
5897 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5899 * cppfiles.c: Update comments.
5900 (destroy_include_file_node): Rename destroy_node.
5901 (find_or_create_entry): New function.
5902 (open_file, _cpp_fake_include): Use it.
5903 (handle_missing_header): New function, broken out of
5904 _cpp_execute include. Don't segfault if there is no
5905 system or quoted path.
5906 (_cpp_execute_include): Use handle_missing_header.
5908 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5910 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5911 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5913 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5915 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5916 unless anti_dependence says they are.
5917 * alias.c (objects_must_conflict): If neither has a type specified,
5920 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5921 David Billinghurst <David.Billinghurst@riotinto.com>
5923 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5925 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5927 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5928 (*_one_bit): Remove type on the match_operand in attributes.
5930 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5932 * i386.c: Commit forgotten hunk in previous patch.
5933 (regclass_map): Add extended registers.
5934 (dbx_register_map): Add missing frame register.
5936 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5938 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5940 * i386.md (x86_sahf_1): Disable for 64bit.
5941 (popsi*, pophi*): Likewise.
5942 (pushqi, pushhi): Likewise.
5943 (movdi, pushdi): Likewise.
5944 (zero extend DImode splitter): Likewise.
5945 (adddi, minusdi splitter): Likewise.
5946 (umulsidi): Likewise.
5948 (mulsidi): Disable for 64bit
5949 (lshift:DI/ashift:DI): Disable for 64bit.
5950 (loop patterns): Likewise.
5951 (call_pop, call_value_pop expanders and patterns): Likewise.
5952 (prologue_get_pc): Likewise.
5954 (fcmovDI pattern and splitter): Likewise.
5955 (movdfcc_1_rex64): New.
5957 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5959 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5960 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5961 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5962 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5963 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5964 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5965 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5966 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5967 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5968 (REGPARM_MAX): Set to 6 for x86_64.
5969 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5970 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5973 * (patterns that does use upper halves): Update constraints
5974 'q' to 'Q' and 'r' to 'R'.
5975 (cmpqi_ext_1): Disable for 64bit.
5976 (cmpqi_ext_3_insn): Likewise.
5977 (movqi_extzv_1): Likewsie.
5978 (addqi_ext_1): Liekwsie
5979 (testqi_ext_1): Liekwsie
5980 (andqi_ext_1): Liekwsie
5981 (xorqi_ext_1): Liekwsie
5982 (cmpqi_ext_1_rex64): New.
5983 (cmpqi_ext_3_insn_rex64): Likewise.
5984 (movqi_extzv_1_rex64): Likewsie.
5985 (addqi_ext_1_rex64): Liekwsie
5986 (testqi_ext_1_rex64): Liekwsie
5987 (andqi_ext_1_rex64): Liekwsie
5988 (xorqi_ext_1_rex64): Liekwsie
5990 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5992 * configure.in: Move check for unsigned enumerated bitfields
5993 to macro in aclocal.m4. Disable it for now.
5994 * configure, config.in: Regenerate.
5995 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5996 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5997 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5998 kind above its first use.
6000 * config/xm-interix.h, config/alpha/xm-alpha.h,
6001 config/i370/xm-linux.h, config/i386/xm-beos.h,
6002 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6003 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6004 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6005 Don't define ONLY_INT_FIELDS under any circumstances.
6007 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6009 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6010 config/sparc/xm-sysv4.h: Delete - now identical with some
6012 * config.gcc (hppa targets): Replace xm-pahpux.h and
6013 xm-papro.h with implicit xm-pa.h.
6014 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6017 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6019 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6020 before reload_cse_noop_set_p.
6022 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6024 * config.gcc: Where xm-host.h used to include another
6025 xm-host.h, list the nested header directly in xm_file. Remove
6026 references to deleted files. Can now use sparc/xm-sp64.h for
6029 * config/xm-linux.h, config/arm/xm-linux.h,
6030 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6031 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6032 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6033 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6034 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6037 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6038 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6039 bother to wrap #undef in #ifdef.
6040 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6041 Don't include xm-linux.h.
6042 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6044 * configure.in: Wrap regexps using [] in changequote block.
6045 Use expr : not echo | grep. Simplify regexps.
6046 * configure: Regenerate.
6048 56 xm-files remain, 22 xm-arch.
6050 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6052 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6053 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6054 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6055 (copy_object): Fix format specifier vs argument mismatch.
6057 * mips-tdump.c: Make local functions static.
6058 (rindex): Don't #undef.
6059 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6060 (fatal, fancy_abort): Delete.
6061 (read_seek): Avoid signed/unsigned compare.
6063 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6065 * combine.c (try_combine): Fix error in change to try original
6067 (gen_rtx_combine): Do same as gen_rtx for now.
6069 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6071 * configure.in: AC_SUBST xm_defines.
6072 * configure: Regenerate.
6073 * Makefile.in: Set DEFINES=$(xm_defines) when building
6076 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6078 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6079 (cpp_included, find_include_file): Update.
6080 (_cpp_compare_file_date): Make else unconditional.
6082 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6084 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6086 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6088 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6089 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6091 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6093 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6094 if it's a record type.
6096 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6098 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6099 mingw includes slightly.
6101 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6103 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6104 #undef token before poisoning it.
6106 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6108 * alpha.c (check_float_value): Use memcpy, not bcopy.
6110 * m32r.c (m32r_sched_reorder): Likewise.
6112 * vax.c (check_float_value): Likewise.
6114 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6116 * toplev.c (file_name_nondirectory): Remove.
6117 * toplev.h: Similarly.
6118 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6119 of file_name_nondirectory.
6121 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6123 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6124 * mips-tfile.c: Don't #undef rindex; not used.
6126 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6128 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6129 (dbx64_register_map): Declare.
6130 (RETURN_ADDR_RTX): Fix for 64bit.
6131 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6132 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6133 * i386.c (dbx64_register_map): New global array.
6134 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6135 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6138 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6140 * cppfiles.c (search_from): Use lbasename.
6141 * mkdeps.c (deps_add_default_target): Use lbasename.
6143 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6145 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6146 xcalloc in lieu of malloc, realloc & calloc.
6148 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6150 * gengenrtl.c (xmalloc): Likewise.
6152 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6153 really_call_* memory allocation routines.
6155 * stmt.c (check_for_full_enumeration_handling): Use
6156 really_call_calloc, not calloc.
6158 * system.h (really_call_malloc, really_call_calloc,
6159 really_call_realloc): Define.
6160 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6162 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6164 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6166 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6168 * configure: Rebuilt.
6169 * configure.in: Only use `lang_requires' for languages athat are
6172 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6174 * invoke.texi: Fix typo.
6175 * gcc.1: Regenerate.
6177 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6179 * configure.in: Prune nonexistent files from build_xm_file,
6180 xm_file, and host_xm_file lists. Warn unless they're
6182 Don't generate *config.h here.
6183 AC_SUBST all variables needed to generate *config.h.
6184 * configure: Regenerate.
6185 * mkconfig.sh: New helper script, from code removed from
6187 * Makefile.in: Zap all MALLOC variables - no longer used
6188 anywhere, and malloc.c doesn't exist.
6189 Substitute in variables needed to generate *config.h.
6190 Stop lying about the dependencies contained in CONFIG_H and
6192 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6193 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6194 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6195 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6196 $(TM_P_H), etc. as appropriate.
6198 * config.gcc: Zap references to deleted files.
6199 * ggc-none.c: Don't include rtl.h or tm_p.h.
6201 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6202 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6203 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6204 config/i386/xm-linux.h, config/i386/xm-linux.h,
6205 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6206 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6207 Don't include i386/xm-i386.h.
6209 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6210 config/i386/xm-i386.h, config/i860/xm-i860.h,
6211 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6212 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6213 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6214 Delete (empty except comments, #includes of other deleted
6215 files, and macros used nowhere).
6217 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6219 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6220 independent on TARGET_FLAGS.
6222 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6224 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6226 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6228 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6230 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6231 LAST_REX_SSE_REG): define.
6232 (enum reg_class): Add 'LEGACY_REGS'
6233 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6234 (SSE_REGNO_P): Recognize extended registers.
6235 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6236 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6237 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6238 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6239 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6240 REG_OK_FOR_STRREG_P): Remove.
6241 (HI_REGISTER_NAMES): Add extended registers.
6242 (ADDITIONAL_REGISTER_NAMES): Likewise.
6243 (QI_REGISTER_NAMES): Add 8bit extended registers.
6244 (DEBUG_REG): Support extended registers.
6245 * i386.c (regclass_map): Add extended registers.
6246 (dbx_register-map): Likewise.
6247 (svr4_dbx_register_map): Likewise.
6248 (print_reg): Support extended registers.
6249 (print_operand): Support 64bit operands.
6251 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6253 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6254 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6255 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6256 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6257 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6258 STACK_BOUNDARY): Set properly for 64bits.
6259 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6260 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6261 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6262 (MOVE_MAX): Set to 16.
6263 (MOVE_MAX_PIECES): 8 for 64bit.
6264 (Pmode): Set to SImode.
6266 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6268 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6270 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6272 * i386.h (mask_64bit): New constant.
6273 (target_64bit): New macro.
6274 (target_options): Add '64'/'32'
6275 (target_default): Define.
6276 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6277 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6278 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6280 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6282 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6284 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6286 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6287 LO_SUM unless for_alias is set.
6289 2001-03-08 Stan Shebs <shebs@apple.com>
6291 * objc/objc-act.c: Fix old typos in comments, add comments for
6293 (hash_init): Fix file name in error message.
6294 (hash_enter): Ditto.
6295 (hash_add_attr): Ditto.
6296 (continue_class): Ditto.
6298 2001-03-08 Bruce Korb <bkorb@gnu.org>
6300 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6301 wait4() can receive the signal.
6303 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6305 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6307 * fixinc/fixincl.x: Regenerate.
6309 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6311 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6313 * fixinc/fixincl.x: Regenerate.
6315 2001-03-08 Richard Henderson <rth@redhat.com>
6317 * configure.in (HAVE_AS_LEB128): New assembler check.
6318 * configure, config.in: Rebuilt.
6320 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6322 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6325 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6327 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6328 references to the MAXPATHLEN macro.
6330 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6331 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6334 * config/i386/xm-gnu.h, config/xm-gnu.h,
6335 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6336 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6337 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6338 and/or unused files.
6340 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6341 doing so in various xm-*.h files.
6343 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6345 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6347 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6349 * configure.in (enable_shared): Support per-package shared-library
6351 * configure: Rebuilt.
6353 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6355 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6356 for crnot. Set operands[5] in splitter.
6358 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6360 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6361 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6362 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6363 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6364 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6365 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6366 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6369 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6370 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6371 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6372 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6373 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6374 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6375 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6376 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6377 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6378 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6379 Delete unused and/or empty files.
6381 * config.gcc: Define USG in xm_defines as appropriate. Define
6382 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6383 macro. Remove deleted xm-* files from $xm_files variable.
6385 2001-03-07 Tom Tromey <tromey@redhat.com>
6387 * configure: Rebuilt.
6388 * configure.in: Allow config-lang.in to set `lang_requires' to list
6389 of other required languages.
6391 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6393 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6395 (output_prologue): Use xmalloc not oballoc.
6396 (output_epilog): Free a29k_first_epilogue_insn when finished.
6397 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6399 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6401 * builtins.c (expand_builtin_mathfn): Check
6402 flag_unsafe_math_optimizations, not flag_fast_math.
6403 (expand_builtin): Likewise
6404 * combine.c (combine_simplify_rtx): Likewise.
6405 (simplify_if_then_else): Likewise.
6406 * cse.c (fold_rtx): Likewise.
6407 * flags.h: Remove flag_fast_math. Add
6408 flag_unsafe_math_optimizations and flag_trapping_math.
6409 * fold-const.c (negate_expr): Check
6410 flag_unsafe_math_optimizations, not flag_fast_math.
6411 (invert_truthvalue): Likewise.
6412 (fold): Likewise. Before associating operands, check that
6413 code == MULT_EXPR, not code != MULT_EXPR.
6414 * ifcvt.c (noce_try_minmax): Check
6415 flag_unsafe_math_optimizations, not flag_fast_math.
6416 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6417 * invoke.texi: Document -funsafe-math-optimizations and
6418 -fno-trapping-math. Change documentation for -ffast-math.
6419 * jump.c (reversed_comparison_code_parts): Likewise.
6420 (rtx_equal_for_thread_p): Likewise.
6421 * optabs.c (emit_conditional_move): Likewise.
6422 * simplify-rtx.c (simplify_binary_operation): Likewise.
6423 (simplify_relational_operation): Likewise.
6424 (simplify_ternary_operation): Likewise.
6425 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6426 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6427 Add trapping-math and unsafe-math-optimizations entries to f_options.
6428 (set_fast_math_flags): New, sets flags for -ffast-math.
6429 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6430 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6431 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6433 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6434 (alpha_emit_conditional_move): Initialize local_fast_math to
6435 flag_unsafe_math_optimizations, not flat_fast_math.
6436 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6437 instead of setting flag_fast_math to 1.
6438 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6440 * config/i386/i386.c (override_options): Likewise
6441 * config/i386/i386.md: Likewise.
6442 * config/m68k/m68k.md: Likewise.
6443 * config/mips/mips.md: Likewise.
6444 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6445 (rs6000_generate_compare): Likewise.
6447 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6449 * Makefile.in: Set RANLIB to @RANLIB@.
6452 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6454 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6455 * fixinc/fixincl.x: Regenerated.
6457 2001-03-07 Richard Henderson <rth@redhat.com>
6459 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6461 2001-03-07 Richard Henderson <rth@redhat.com>
6463 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6464 of block notes and exception handling notes.
6466 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6467 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6468 (compile_file): ... here.
6470 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6474 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6475 config.h now. Include libiberty.h to handle alloca.
6477 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6479 * c-parse.in (yylexname): New function, split out of _yylex.
6480 (objc_rid_sans_at): New table.
6481 (init_reswords): Initialize it.
6482 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6483 retrieving the next token and checking it for significance as
6484 an ObjC keyword or string constant.
6486 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6487 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6489 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6492 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6494 * config/m68k/m68k.c (const_uint32_operand): Accept any
6495 const_int on a 32-bit host.
6497 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6499 * objc/objc-act.c (init_objc): Set save_lang_status,
6500 restore_lang_status, and mark_lang_status.
6502 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6504 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6506 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6508 * cppinternals.texi: Update.
6510 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6513 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6514 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6515 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6516 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6517 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6518 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6519 config/i386/xm-i386.h, config/i860/xm-i860.h,
6520 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6521 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6522 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6523 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6524 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6525 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6526 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6527 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6528 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6529 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6530 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6531 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6532 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6533 match the defaults provided in hwint.h.
6535 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6536 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6538 * config.gcc (xm_file): Don't set to files which are deleted.
6540 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6541 guard this file against these macros being undefined.
6543 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6545 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6546 and DECL_DEFER_OUTPUT on the decl we create, before calling
6547 rest_of_decl_compilation.
6549 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6551 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6553 * configure, config.in: Regenerate.
6554 * config.gcc: Remove references to deleted files.
6556 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6557 genrecog.c, rtl.c: Do not use alloca anywhere.
6559 * Makefile.in, build-make, system.h, config/x-interix,
6560 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6561 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6562 config/arc/xm-arc.h, config/arm/xm-arm.h,
6563 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6564 config/h8300/xm-h8300.h, config/i370/x-oe,
6565 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6566 config/i386/x-ncr3000, config/i386/x-sco5,
6567 config/i386/xm-dgux.h, config/i860/x-sysv4,
6568 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6569 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6570 config/m68k/x-hp320g, config/m69k/x-mot3300,
6571 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6572 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6573 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6574 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6575 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6576 config/mips/x-iris, config/mips/x-iris3,
6577 config/mips/x-sni-svr4, config/mips/x-sysv,
6578 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6579 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6580 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6581 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6582 config/pa/xm-papro.h, config/romp/xm-romp.h,
6583 config/rs6000/x-aix31, config/rs6000/x-aix41,
6584 config/rs6000/x-beos, config/rs6000/x-lynx,
6585 config/rs6000/x-mach, config/rs6000/x-rs6000,
6586 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6587 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6588 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6589 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6590 config/vax/xm-vms.h: Eradicate all references to alloca and
6593 * config/xm-alloca.h, config/clipper/x-clix,
6594 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6595 config/i860/x-sysv3, config/m88k/x-sysv3,
6596 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6597 (contained only alloca related hacks).
6599 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6602 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6604 * invoke.texi: Document __FAST_MATH__.
6606 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6608 * crtstuff.c: Restore include of auto-host.h.
6610 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6612 Put main() in a separate file, so that the language
6613 front-end can use a different main().
6616 * toplev.c: (main): Rename as toplev_main.
6617 * toplev.h: Declare toplev_main.
6618 * Makefile.in (OBJS): add toplev.o.
6619 (BACKEND): remove toplev.o, add main.o.
6621 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6623 * cppfiles.c (search_from): Special case the empty string.
6625 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6627 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6628 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6629 strlen or strcpy; we already know the length.
6630 (_cpp_compare_file_date): Similarly.
6631 * cpphash.h (struct cpp_reader): Delete done_initialising.
6632 (CPP_PREV_BUFFER): Delete.
6633 * cppinit.c (cpp_start_read): Don't set done_initialising.
6634 * cpplex.c (parse_string): Guarantee null-termination.
6635 (_cpp_equiv_toklists): Remove.
6636 * cpplib.c (glue_header_name): Null-terminate.
6637 (do_line): Don't leak memory.
6638 * cpplib.h (BT_WEAK): Delete.
6639 * cppmain.c (cb_ident): Strings are now null-terminated.
6641 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6643 * gcc.c (convert_filename): Append executable suffix
6644 if NO_AUTO_EXE_SUFFIX is not defined.
6645 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6646 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6648 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6650 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6651 * c-parse.gperf, c-gperf.h: Delete.
6652 (c-gperf.h was accidently re-added to the CVS repo in the rev
6653 1.16 commit by tromey)
6655 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6657 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6658 macro arguments when looking for the '('.
6659 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6660 2 when really parsing arguments; 1 when looking for '('.
6661 Always restore the lexer position.
6663 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6665 * longlong.h (umul_ppmm): Don't use a multiline string.
6667 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6669 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6670 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6671 t_bool in declaration because pcc can't combine volatile with typedef
6674 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6676 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6677 until when it is really needed.
6678 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6679 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6680 * i386.md (float?i?f splitter): Don't force source operand to memory
6682 (sse_movdfcc): Fix constraint.
6683 (sse_movdfcc splitter): Handle properly the second alternative.
6685 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6687 * cpplex.c (parse_string): Unconditionally pedwarn.
6689 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6692 * cppexp.c (parse_number): Update.
6693 * cpplex.c (parse_string): Pedwarn if multiline string does not
6694 result from a system header's macro.
6695 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6696 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6697 for function-like macros too.
6698 * c-lex.c (lex_number): Update.
6700 2001-03-03 Richard Henderson <rth@redhat.com>
6702 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6704 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6706 * combine.c (try_combine): If split with mode-changed scratch
6707 register didn't work, try the original mode.
6709 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6711 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6712 * config/c4x/c4x.h: Likewise.
6713 * stor-layout.c (compute_record_mode): Likewise.
6714 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6716 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6718 * configure.in: Kill tm.h. Include the files in the $tm_file
6719 list in all three of config.h, hconfig.h, tconfig.h, after the
6720 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6721 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6722 * configure: Regenerate.
6723 * Makefile.in (clean): Don't delete tm.h.
6725 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6726 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6727 those are not defined, set SEC and FEC to 0 and 1.
6728 * gcc.texi: Update to match.
6730 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6731 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6732 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6733 Include tconfig.h, not tm.h.
6735 * config/xm-lynx.h, config/xm-std32.h,
6736 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6737 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6738 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6739 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6740 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6741 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6742 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6743 config/i386/xm-i386.h, config/i860/xm-i860.h,
6744 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6745 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6746 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6747 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6748 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6749 config/pa/xm-linux.h, config/pa/xm-pa.h,
6750 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6751 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6752 config/pj/xm-pj.h, config/romp/xm-romp.h,
6753 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6754 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6755 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6756 config/v850/xm-v850.h, config/vax/xm-vax.h,
6757 config/we32k/xm-we32k.h:
6759 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6761 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6762 config/i370/xm-oe.h: Don't include tm.h. Don't define
6764 * config/vax/xm-vms.h: Don't include tm.h.
6766 * config/xm-lynx.h, config/avr/xm-avr.h,
6767 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6768 Delete; made empty by above changes.
6769 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6770 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6771 Don't include config/xm-lynx.h or tm.h.
6773 * config/xm-gnu.h: Don't include fcntl.h.
6774 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6776 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6778 2001-03-02 Richard Henderson <rth@redhat.com>
6780 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6781 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6783 2001-03-02 Richard Henderson <rth@redhat.com>
6785 * Makefile.in (OBJS): Add dwarf2asm.o.
6786 * dwarf2asm.c, dwarf2asm.h: New files.
6787 * dwarf2out.c (*): Use them.
6788 (size_of_uleb128, size_of_sleb128): Remove.
6789 (output_uleb128, output_sleb128): Remove.
6790 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6791 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6792 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6793 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6794 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6795 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6796 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6797 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6798 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6799 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6800 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6801 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6802 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6803 (dwarf2out_frame_debug): Remove unused variables.
6804 (output_loc_operands): Don't abort on 8 byte constants if
6805 host integers are wide enough.
6806 (output_symbolic_ref): Remove.
6807 (size_of_die): Don't assume 4 byte host integers.
6808 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6810 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6811 something stupid with HOST_WIDE_INT to long truncation.
6812 [CONST_DOUBLE]: Likewise.
6814 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6815 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6816 * config/arm/unknown-elf.h: Likewise.
6817 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6818 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6819 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6820 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6821 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6822 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6823 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6824 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6825 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6826 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6827 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6828 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6830 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6832 * cselib.c (hash_rtx): Cast enums to unsigned int.
6834 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6836 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6837 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6839 * c-format.c (C_STD_VER): Cast to int for comparisons.
6840 (check_function_format): Cast various enums to int for &.
6841 (maybe_read_dollar_number): Likewise.
6842 (check_format_info): Likewise.
6843 (check_format_info_main): Likewise.
6844 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6845 (safe_from_p): Likewise.
6846 * varasm.c (const_hash): Cast enum to int for %.
6847 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6848 pcc enum problems with < and ++ operators.
6849 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6850 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6851 (regclass_init): Change enum class to int to iterate over reg_classes.
6852 * genrecog.c (merge_trees): Cast enums for comparison.
6853 * rtl.h (GET_CODE): Cast to enum rtx_code.
6854 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6855 (GET_MODE): Cast to enum machine_mode.
6856 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6857 (GET_NOTE_INSN_NAME): Cast enum to int.
6858 * tree.h (TREE_CODE): Cast to enum tree_code.
6859 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6860 * timevar.c (timevar_print): Change loop variable id from enum to
6862 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6863 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6864 * toplev.c (compile_file): Cast enum DFI to int.
6865 (decode_d_option): Likewise.
6867 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6869 * cppinit.c (append_include_chain): Mark "after" include file name list
6870 as a system directory.
6871 * cpp.texi: Document new behavior.
6873 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6875 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6877 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6879 * cppfiles.c (struct include_file): Update.
6880 (stack_include_file): Use search_from.
6881 (cpp_included, find_include_file): Update.
6882 (cpp_execute_include): Update. ptr->name may not be
6883 null terminated. Use the new search_from member variable
6885 (_cpp_compare_file_date): Similarly.
6886 (search_from): New function, similiar to actual_directory.
6887 (actual_directory): Delete.
6888 (remap_filename): Update. loc->name may not be null terminated.
6889 (struct file_name_list): Rename search_path. Update.
6890 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6891 search_from and dir.
6892 (struct cpp_reader): Remove actual_dirs.
6893 * cppinit.c (struct cpp_pending): Update for renamed objects.
6894 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6895 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6896 * cpplib.h (struct cpp_options): Similarly.
6898 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6900 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6901 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6902 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6903 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6904 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6905 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6906 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6907 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6908 config/i370/xm-oe.h, config/i386/xm-aix.h,
6909 config/i386/xm-i386.h, config/i386/xm-osf.h,
6910 config/i860/xm-i860.h, config/i960/xm-i960.h,
6911 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6912 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6913 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6914 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6915 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6916 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6917 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6918 config/pj/xm-pj.h, config/romp/xm-romp.h,
6919 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6920 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6921 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6922 config/v850/xm-v850.h, config/vax/xm-vax.h,
6923 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6924 Do not define TRUE or FALSE.
6926 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6927 empty by above change.
6928 * config.gcc: Remove references to these files.
6930 * configure.in: Detect stdbool.h.
6931 * configure, config.in: Regenerate.
6932 * system.h: Include stddef.h here if available.
6933 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6934 Then set up a sensible boolean type at the very end.
6936 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6937 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6939 * hash.h: Delete 'boolean' typedef and related #undefs.
6941 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6942 all uses of 'boolean' with 'bool'.
6944 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6946 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6947 * cppexp.c (lex): Cast enums for comparison.
6948 * cppinit.c (parse_option): Cast enum for comparison.
6949 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6950 (cpp_output_token): Likewise.
6951 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6952 (cpp_avoid_paste): Cast enums for minus and comparison.
6954 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6956 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6957 field to all array elements.
6959 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6961 * cpphash.h (struct cpp_reader): Add print_version field.
6962 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6963 just set print_version and other flags as appropriate.
6964 (cpp_post_options): Print version here if print_version is set.
6966 * toplev.c (exit_after_options): New flag.
6967 (independent_decode_option): Don't exit here; just set
6969 (main): Exit after calling lang_hooks.post_options if
6970 exit_after_options is true.
6972 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6973 (merge_include_chains): Adjust comment to match code.
6975 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6977 * stringpool.c (set_identifier): New function.
6978 * tree.h: Prototype it.
6980 * c-parse.in: Kill D_YES. If compiled for objc, call
6981 save_and_forget_protocol_qualifiers from init_reswords.
6982 * objc/objc-act.c (remember_protocol_qualifiers,
6983 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6984 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6986 (save_and_forget_protocol_qualifiers): New function.
6987 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6989 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6991 * c-semantics.c (prune_unused_decls): Return error_mark_node
6992 instead of (tree) 1 to stop traversing the tree chain.
6994 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6996 Fix a problem introduced by Kenner's Feb 18 change.
6997 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6998 flag_cse_skip_blocks only temporarily, not for ever.
7000 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7002 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7003 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7005 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7006 before determining its register class.
7008 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7010 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7011 from reg 4 if current_function_calls_setjmp.
7012 (gen_nop_type): New function.
7013 (ia64_emit_nops): New function.
7014 (ia64_reorg): Call it.
7015 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7017 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7018 code not to try to optimize adds with anything but a REG destination.
7020 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7021 (INSN_PRIORITY_KNOWN): New accessor macro.
7022 * haifa-sched.c (priority): Use it instead of testing priority against
7025 2001-02-28 DJ Delorie <dj@redhat.com>
7027 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7028 since that doesn't work the way gcc wants on a generic m68k.
7030 2001-02-28 Richard Henderson <rth@redhat.com>
7032 * caller-save.c (save_call_clobbered_regs): Fix typo in
7033 comparison last change.
7035 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7037 * i386.c (pentium4_cost): New.
7038 (m_PENT4): New macro.
7039 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7040 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7041 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7042 x86_memory_mismatch_stall): Add Pentium4
7043 (x86_use_q_reg, x86_use_any_reg): Kill.
7044 (override_options): Add pentium4.
7045 (incdec_operand): Return 0 for pentium4.
7046 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7047 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7048 (TARGET_PENTIUM4): Define.
7049 (enum processor_type): Add PROCESSOR_PENTIUM4.
7050 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7051 * i386.md (attribute "cpu"): Add pentium4.
7052 * invoke.texi (march): Add pentium4.
7054 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7056 * i386.md (sse_mov?fcc*): New patterns and splitters.
7057 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7058 the SSE based conditional moves.
7060 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7062 * i386.md (attribute mode): Add "TI".
7063 (movsf_1): Add pxor support; remove constant propagation splitter.
7064 (movdf_integer): Likewise.
7065 (movdf_nointeger): Likewise.
7066 (movxf constant prop splitter): Handle all modes; update for SSE.
7067 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7068 * i386.c (standard_80387_constant_p): Rewrite.
7069 (standard_sse_constant_p): New.
7070 * i386-protos.h (standard_sse_constant_p): New.
7072 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7074 * i386.md (sse_setccsf, sse_setccdf): New.
7075 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7077 * i386.c (sse_comparison_operator): Accept the supported unordered
7078 comparses; be ready for fast_math.
7079 (print_operand): Support 'D'.
7081 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7083 * jump.c (reversed_comparison_code): Kill.
7085 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7087 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7090 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7092 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7093 add missing '%' in constraints.
7095 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7097 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7098 for HOST_BITS_PER_WIDE_INT == 32 too.
7100 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7102 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7104 (insert_save, insert_restore): New parameter save_mode.
7105 (init_caller_save): Update initialization of reg_save_code
7106 and reg_restore_code.
7107 (save_call_clobbered_regs): Compute save_modes and update calls to
7108 reg_save_code and reg_restore_code.
7109 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7110 of spill; update use of reg_restore_code.
7111 (insert_save): Likewise.
7112 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7113 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7114 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7116 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7118 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7119 noce_try_store_flag_inc, noce_try_store_flag_mask,
7120 noce_try_cmove_arith):
7121 Use reversed_comparison_code instead of reverse_comparison and
7122 can_reverse_comparison_p.
7124 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7126 * jump.c (reversed_comparison_code_parts): Allow reversal of
7127 unordered compares in -ffast-math mode; reverse ordered compares
7128 for FP even w/o -ffast-math.
7130 2001-02-27 Richard Henderson <rth@redhat.com>
7132 * print-rtl.c (print_rtx) [i]: Don't print field five on
7133 NOTEs other than NOTE_INSN_DELETED_LABEL.
7135 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7137 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7138 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7140 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7142 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7143 even if walk_subtrees is 0.
7144 * c-semantics.c (prune_unused_decls): Return a non-null value to
7145 stop traversing the tree chain.
7147 2001-02-27 DJ Delorie <dj@redhat.com>
7149 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7150 register, *then* define it as the new CFA.
7152 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7154 * pa.c (override_options): Promote -fpic to -fPIC.
7155 (legitimize_pic_address): Simplify due to removal of
7156 small PIC as a code generation option.
7157 (secondary_reload_class): Similarly.
7158 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7159 (PRINT_OPERAND_ADDRESS): Similarly.
7160 * pa.md (various patterns): Similarly.
7161 (small pic lo_sum pattern): Remove.
7163 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7166 * md.texi (min, max): Document
7168 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7170 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7171 TARGET_PARTIAL_REG_DEPENDENCY.
7172 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7174 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7176 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7178 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7180 * mips.c (mips_make_temp_file): Fix thinko in last change.
7182 2001-02-26 Jason Eckhardt <jle@redhat.com>
7184 * combine.c (known_cond): Do not reverse the condition when
7185 SMAX/UMAX is being considered and the condition is for equality
7188 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7190 2001-02-26 Philip Blundell <philb@gnu.org>
7192 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7194 * config/arm/linux-elf.h: Remove historical relics related to
7195 above configurations.
7196 * config/arm/linux-oldld.h: Delete.
7197 * config/arm/linux-elf26.h: Delete.
7199 2001-02-26 Jason Merrill <jason@redhat.com>
7201 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7203 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7204 recognize a tentative definition. Lose obsolete code.
7206 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7207 variables unless necessary, either.
7209 2001-02-25 Richard Henderson <rth@redhat.com>
7211 * ifcvt.c (struct noce_if_info): Add test_bb.
7212 (noce_get_alt_condition): New.
7213 (noce_try_minmax, noce_try_abs): New.
7214 (noce_operand_ok): New.
7215 (noce_process_if_block): Use them.
7216 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7218 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7220 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7223 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7225 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7226 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7228 (mips_asm_file_end): Free temp_filename here.
7230 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7232 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7233 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7235 * config/i386/i386.md (movstrsi): Handle FAIL case.
7237 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7239 * cppinit.c (builtin_array): Update.
7240 (init_builtins): Flag builtins to warn if redefined or
7241 undefined. Define __GXX_WEAK as a normal macro.
7242 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7243 * cpplib.h (NODE_WARN): New flag.
7244 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7245 Handle __STDC__ as a builtin only on Solaris.
7246 (warn_of_redefinition): Renamed from check_macro_definition.
7247 Reverse sense of test. Always warn if NODE_WARN.
7248 (_cpp_create_definition): Use warn_of_redefinition. Flag
7249 any macro beginning with "__STDC_" to require a mandatory
7250 warning if redefined or undefined.
7252 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7254 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7255 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7256 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7257 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7258 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7259 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7260 Don't define any of:
7261 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7262 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7263 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7264 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7265 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7267 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7268 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7271 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7272 Delete now-empty file.
7274 * alpha/vms.h: Define NEED_ATEXIT here...
7275 * alpha/xm-vms.h: ...not here.
7277 * i386/cygwin.h: Don't define PARAMS.
7278 * mips/mips.c: Don't prototype mktemp. Don't define
7279 P_tmpdir. Use make_temp_file to create temporary files.
7280 Don't be clever and delete temporary files early.
7281 * config.gcc: Drop references to deleted files. Don't define
7283 * gcc.texi: Don't mention USE_PROTOTYPES.
7285 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7287 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7288 (ix86_set_move_mem_attrs_1): Likewise.
7289 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7290 * config/i386/i386.md (movstrsi): Call it.
7292 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7294 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7295 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7296 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7297 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7299 (i750a-*-*): Error here if hosting on i750a.
7300 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7302 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7303 Remove (empty modulo comments).
7305 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7306 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7307 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7308 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7309 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7310 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7312 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7313 Remove reference to winnt.h in comment.
7314 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7316 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7318 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7319 used to set another biv.
7321 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7323 * tree.h (BLOCK_DEAD): New macro.
7324 (struct tree_block): New flag, dead_flag.
7325 * print-tree.c (print_node, case 'b'): Print missing fields.
7326 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7327 * function.c (identify_blocks): Enable test for misplaced notes.
7328 (all_blocks): Skip BLOCK_DEAD blocks.
7329 * integrate.c (integrate_decl_tree): Likewise.
7331 * errors.c (internal_error, trim_filename): New functions.
7332 (fancy_abort): Call internal_error.
7333 * errors.h (internal_error, trim_filename): New declarations.
7335 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7337 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7339 (EXTRA_CONSTRAINT): Formatting changes.
7341 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7343 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7345 2001-02-23 Per Bothner <per@bothner.com>
7347 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7348 so they can be called from java/jvspec.c.
7349 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7351 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7353 * i386.c (ix86_frame): New structure.
7354 (ix86_compute_frame_size): Kill.
7355 (ix86_compute_frame_layout): New.
7356 (ix86_save_reg): New.
7357 (ix86_can_use_return_insn_p): Use frame layout stuff.
7358 (ix86_expand_prologue): Likewise.
7359 (ix86_expand_epilogue): Likewise.
7360 (ix86_initial_elimination_offset): Likewise.
7361 (ix86_nsaved_regs): Use ix86_save_reg.
7362 (ix86_emit_save_regs): Likewise.
7364 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7366 * flow.c (find_sub_basic_blocks): New function.
7367 (split_block): Be ready for basic block introduced by CODE_LABEL.
7368 (commit_one_edge_insertion): Call find_sub_basic_block.
7370 * flow.c (make_edges): Add edge from entry for blocks starting with
7371 label having ALTERNATE_NAME
7373 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7375 * function.c (epilogue_done): Be ready for first basic block not
7376 containing PROLOGUE_END note.
7377 (reposition_prologue_and_epilogue_notes): Avoid placing
7378 PROLOGUE_END note between BASIC_BLOCK.
7380 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7382 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7384 2001-02-21 DJ Delorie <dj@redhat.com>
7386 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7387 check for current_function_has_nonlocal_goto from 1999-11-12.
7389 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7391 * diagnostic.c (trim_filename): No longer static.
7392 * toplev.h (trim_filename): Declare.
7393 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7394 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7395 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7396 (rtvec_check_failed_bounds): Likewise.
7397 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7399 * convert.c (convert_to_integer): Don't do unsigned unless result or
7400 both inputs are unsigned.
7402 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7405 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7407 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7409 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7411 * Makefile.in (resource.o): Add params.h dependence.
7412 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7413 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7414 * resource.c: Add dependence on params.h.
7415 (current_live_regs): Fix explanatory comment.
7416 (find_basic_block): Add new parameter to permit limiting search
7418 (mark_target_live_regs): Add new argument to find_basic_block call.
7419 (incr_ticks_for_insn): Likewise.
7421 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7423 * diagnostic.c (output_to_stream): Rename to
7424 output_buffer_to_stream. Loses the stream parameter.
7425 (init_output_buffer): Set diagnosic_buffer's stream.
7426 (flush_diagnostic_buffer): Adjust.
7427 (default_print_error_function): Likewise.
7428 (finish_diagnostic): Likewise.
7429 (verbatim): Likewise.
7431 * diagnostic.h (struct output_buffer): Add `stream' field.
7432 (output_buffer_attached_stream): New macro.
7434 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7436 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7437 check if either operand is divisible by C.
7438 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7439 If type is signed, consider negative numbers as well.
7441 2001-02-22 Richard Henderson <rth@redhat.com>
7443 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7444 reach .text instead of gp-relative relocs.
7445 * config/ia64/crtend.asm (.init): Likewise.
7447 2001-02-22 Andreas Jaeger <aj@suse.de>
7449 * extend.texi (C++ Attributes): Fix typo.
7451 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7453 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7454 functions, drop current_function_args_info.words test.
7455 (ia64_compute_frame_size): Mark syscall_linkage functions as
7456 using eight input registers.
7458 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7459 Bruce Korb <bkorb@gnu.org>
7461 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7462 * fixinc/README: Document how to convert sed substitutions
7463 to format style c_fix-es.
7464 * fixinc/fixincl.x: regen
7466 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7468 * gcc.c: Add comment explaining how to add a command-line option.
7469 Add title to specs language comment.
7471 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7473 * gcc.c (cc1_options): Add "-param".
7474 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7475 (option_map): Likewise.
7476 * toplev.c (display_help): Add entry for "--param".
7477 (independent_decode_option): Fix typographical error.
7479 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7480 Bernd Schmidt <bernds@redhat.com>
7481 Jan Hubicka <jh@suse.cz>
7483 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7484 (function_arg): Likewise.
7486 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7488 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7490 2001-02-21 Kazu Hirata <kazu@hxi.com>
7492 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7496 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7498 * flow.c (init_propagate_block_info): Canon address and use single_set
7499 for killing dead memory stores.
7501 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7503 * Makefile.in (reorg.o): Add params.h dependence.
7504 * params.def: Fix typographical error in comment.
7505 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7506 * params.h: Modify introductory comment.
7507 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7508 * reorg.c: Add dependence on params.h.
7509 (redundant_insn): Add parameterized throttle for search.
7510 (fill_simple_delay_slots): Add a comment explaining a variable.
7511 Move conditional out of loop, simplifying code.
7512 (fill_eager_delay_slots): Fix typographical error in comment.
7514 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7516 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7518 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7519 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7521 2001-02-21 Jason Merrill <jason@redhat.com>
7523 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7524 (struct tree_decl): Add uninlinable bitfield.
7525 * c-decl.c (duplicate_decls): Set it.
7526 * integrate.c (function_cannot_inline_p): Check it.
7528 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7529 DW_AT_MIPS_linkage_name to abstract methods.
7530 (dwarf2out_abstract_function): Emit class context before calling
7531 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7532 (gen_subprogram_die): Remove obsolete code.
7533 (gen_member_die): Don't include clones in the member list.
7534 (gen_decl_die): Emit abstract info for clone origin.
7535 * dwarfout.c (output_type): Don't include clones in the member list.
7536 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7537 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7538 DECL_ABSTRACT on a function that already has it set.
7540 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7541 (get_subprogram_die): Pass it in.
7543 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7545 * flow.c (mark_set_1): Make not_dead unsigned long. For
7546 non-pseudos, use it as a bitmask of the hard regs that
7549 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7551 * cppfiles.c: Update comments.
7552 (_cpp_read_file): Don't check for NULL filenames any more.
7553 * cppinit.c (cpp_start_read): Don't do canonicalization of
7554 in_fname and out_fname. Use the passed file name exclusively.
7555 (_cpp_handle_options): Don't treat "-" as a command line option,
7556 but as a normal filename.
7557 (_cpp_post_options): Canonicalize in_fname and out_fname.
7558 * cppmain.c (printer_init): Don't check out_fname for NULL.
7559 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7560 (init_c_lex): Update, and use "" to represent stdin to CPP.
7563 2001-02-20 Will Cohen <wcohen@redhat.com>
7565 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7566 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7567 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7570 2001-02-20 Stan Shebs <shebs@apple.com>
7572 * config/rs6000/rs6000.c (output_cbranch): Output branches
7573 on separate lines instead of using ';' to separate.
7575 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7577 * cppinit.c (set_lang): Move builtin handling to...
7578 (init_builtins): ...here.
7579 (_cpp_create_reader): Move call to set_lang.
7581 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7583 * stmt.c (expand_return): If an attempt is made to return the
7584 error_mar_node, treat the return like a return without a value.
7586 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7588 * sibcall.c (skip_copy_to_return_value): Call
7589 identify_call_return_value here, and return orig_insn if it
7590 returns zero. Hardret and softret arguments now unnecessary.
7591 (call_ends_block_p): Don't call identify_call_return_value here.
7593 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7595 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7596 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7598 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7600 * pa.c (move_operand): Accept code to load the address of a
7601 symbol out of the DLT as a valid move operand.
7602 (print_operand, case 'A'): New to handle generating a DLT
7603 reference for a LO_SUM expression.
7604 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7605 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7607 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7609 * README, cpp.texi, gcc.texi, version.c: Update version number to
7611 * cpp.1, gcov.1, gcc.1: Regenerate.
7613 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7615 * cppfiles.c (stack_include_file): Generate dependencies
7616 here, and manage include_count here too.
7617 (PRINT_THIS_DEP): Delete.
7618 (_cpp_execute_include): Do not generate dependencies here,
7619 apart from the case of a missing header. Do not manage
7621 (_cpp_read_file): Leave dependency generation to
7624 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7626 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7627 target_cpu_default. Remove dead assignment to
7630 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7632 * regclass.c (contains_reg_of_mode): Make global.
7633 (init_reg_sets): Remove contains_reg_of_mode; take into account
7634 CLASS_MAX_NREGS when looking for the proper mode.
7635 (dump_regclass): Dump only classes considered for the pseudo.
7636 (regclass): Use contains_reg_of_mode.
7638 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7640 * gcc.c (do_spec_1): 'n' for printing notices.
7641 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7643 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7645 * reg-stack.c (next_flags_user): Use current_block->end
7646 (swap_rtx_condition): Look for next user if flags don't die;
7647 give up on CALL_INSNs; use current_block->end.
7649 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7651 * sibcall.c (call_ends_block_p): New function.
7652 (optimize_sibling_and_tail_recursive_call): Use it.
7654 2001-02-18 Kazu Hirata <kazu@hxi.com>
7656 * config/h8300/h8300.md: Update copyright.
7657 (andsi3): Do not output an extra newline character.
7659 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7661 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7662 FNDECL may be unused.
7664 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7665 follow jumps after first run.
7666 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7667 it doesn't change any jumps.
7669 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7671 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7672 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7673 (mostlyclean): Corresponding changes.
7674 * rtlanal.c (hard-reg-set.h): Include.
7675 (rtx_unstable_p): Do not treat the argument pointer specially
7676 if it is not a fixed register.
7677 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7679 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7681 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7682 against last real insn in basic block.
7683 Rework to avoid gotos.
7685 * Makefile.in (gcse.o): Now includes ggc.h.
7686 * gcse.c: Include ggc.h.
7687 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7688 (try_replace_reg): Remove warning of uninitialize variable.
7689 (process_insert_insn): Call invalid_insn_p to validate insn.
7690 * recog.c (insn_invalid_p): Now global.
7691 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7692 * recog.h (insn_invalid_p): New declaration.
7694 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7696 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7697 assignments from FP constants since 'Y' output code can't handle it.
7698 (eligible_for_sibcall_delay): Likewise.
7700 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7701 Call fancy_abort directly, passing args.
7702 (print_rtl_and_abort): Now a macro, like fancy_abort.
7704 * final.c (output_operand_lossage): Use internal_error, not error.
7706 2001-02-18 Shane Nay <shane@agendacomputing.com>
7708 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7709 structure shift insns.
7711 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7713 * invoke.texi (-fsquangle): Remove documentation.
7714 (-fname-mangling-version): Likewise.
7716 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7718 * optabs.c (expand_abs): Remove reference to
7719 HAVE_contitional_arithmetic.
7720 * combine.c (simplify_set): Likewise.
7722 2001-02-18 Richard Henderson <rth@redhat.com>
7724 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7727 2001-02-18 Richard Henderson <rth@redhat.com>
7729 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7731 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7733 * reload1.c (reload_cse_simplify_set): Fix typo.
7735 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7737 * diagnostic.c (_fatal_insn): Decrement errorcount.
7739 * invoke.texi (-I): Add note avoiding use for system header files.
7741 * rtl.h (add_clobbers): Remove duplicate declaration.
7742 * recog.h (added_clobbers_hard_reg_p): New declaration.
7743 * genemit.c (struct clobber_pat): New field has_hard_reg.
7744 (gen_insn): Record if added clobbers clobber hard reg.
7745 (gen_split): Avoid unused warning if number of operands is 0.
7746 (output_added_clobbers_hard_reg_p): New function.
7749 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7751 * pa.c (hppa_expand_prologue): Simplify code storing return
7752 pointer. For large (>=8k) frames with a post_store, adjust stack
7753 pointer by 8k-64 first rather than by 64. When testing with
7754 VAL_14_BITS_P, always use the actual value rather than the value
7755 negated. Add blockage to prevent scheduling of spills before
7756 stack frame has been created.
7757 (hppa_expand_epilogue): Simplify code loading return pointer.
7758 Allow a slightly larger range for merge_sp_adjust_with_load case.
7759 When testing with VAL_14_BITS_P, always use the actual value.
7761 * pa.c (pa_adjust_insn_length): Check that block move
7762 pattern is a set before looking at operands.
7764 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7766 * fold-const.c (fold_binary_op_with_conditional_arg): New
7767 function, split out from ...
7769 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7770 conditional arms that throw exceptions.
7772 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7775 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7777 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7778 define HAVE_DECL_* to 1 to mask potential backup declarations.
7779 * configure: Regenerated.
7781 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7783 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7785 2001-02-17 Richard Henderson <rth@redhat.com>
7787 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7788 when replacing a memory load with a register.
7790 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7791 Jan Hubicka <jh@suse.cz>
7793 * recog.c (validate_replace_src_1): New.
7794 (validate_replace_src_data): Likewise.
7795 (validate_replace_src): Use note_uses.
7796 * rtl.h (note_uses): Declare.
7797 * rtlanal.c (note_uses): New.
7799 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7801 * reg-stack.c (stack_def): Make field reg unsigned.
7802 (remove_regno_note): Unsignetize parameter.
7804 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7806 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7807 shladd_operand() call.
7809 2001-02-16 Bruce Korb <bkorb@gnu.org>
7810 Rodney Brown <RodneyBrown@mynd.com>
7812 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7813 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7814 machine restrictions
7815 * fixinc/fixincl.x: regen
7817 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7819 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7821 (hash_scan_insn): Clean up calls to hash_scan_set.
7822 (compute_kill_rd): REGNO now unsigned.
7823 (try_replace_reg): Rework to use simplify_replace_rtx.
7824 (cprop_jump, cprop_cc0_jump): Likewise.
7825 (cprop_insn): Call find_reg_equal_equiv_note.
7826 Reflect changes to cprop_jump and cprop_cc0_jump.
7828 * recog.c (validate_replace_src): Replace in operands of
7829 ZERO_EXTRACT in SET_DEST.
7831 * cse.c (new_label_ref): New variable.
7832 (insert): Set it instead of recorded_label_ref.
7833 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7834 CODE_LABEL for this function, and not already in REG_LABEL note.
7836 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7838 * resource.c (mark_referenced_resources): Fix typo in introductory
7840 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7843 2001-02-16 Jason Merrill <jason@redhat.com>
7845 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7847 (gen_subprogram_die): Don't abort on seeing a second definition if
7848 the previous one was abstract. Don't replace an abstract instance
7849 in the lookup table.
7851 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7852 gen_abstract_function.
7853 * dwarf2out.h: Declare it.
7854 * toplev.c (note_outlining_of_inline_function): New fn.
7855 * toplev.h: Declare it.
7856 * integrate.c (output_inline_function): Call it.
7857 * c-decl.c (duplicate_decls): Call it when redefining an extern
7858 inline. Don't inline the new defn.
7860 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7862 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7864 * .gdbinit: Rename to gdbinit.in.
7865 * gdbinit.in: New file,
7866 * configure.in: Generate .gdbinit from gdbinit.in.
7867 * configure: Regenerated.
7868 * Makefile.in (distclean): Always remove .gdbinit.
7870 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7872 * objc/objc-act.c (start_class): Register implemented_classes with
7875 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7877 * cppfiles.c (_cpp_make_system_header): Generate a file
7880 2001-02-15 Jim Meyering <meyering@lucent.com>
7882 * Makefile.in (install-common): Don't depend on installdirs here.
7883 Instead, make each of the lang.install-common targets (e.g.,
7884 c++.install-common in cp/Make-lang.in) depend on it.
7885 (install-driver): Depend on installdirs.
7887 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7889 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7891 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7894 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7896 * invoke.texi (--param): Document.
7898 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7900 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7902 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7904 * i386.md (extendsfdf2_2): Fix constraints.
7906 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7908 * i386.md (fop_df_3 splitter): Fix operand number.
7910 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7912 * invoke.texi (-mreg-alloc): Nuke.
7913 * i386.c (ix86_reg_alloc_order, regs_allocated,
7914 order_regs_for_local_alloc): Nuke.
7915 (override_options): Kill reg_alloc code.
7916 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7917 (REG_ALLOC_ORDER): SSE goes before I387.
7918 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7919 (ix86_reg_alloc_order): Likewise.
7920 * i386-protos.h (ix86_reg_alloc_order): Kill.
7922 2001-02-14 Richard Henderson <rth@redhat.com>
7924 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7926 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7928 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7930 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7932 * i386-protos.h (ix86_memory_move_cost): Move offline.
7933 * i386.c (ix86_register_move_cost): Compute properly cost of
7934 SSE, MMX and i387 instructions.
7935 (*_cost): Add costs of SSE/MMX moves.
7936 (ix86_memory_move_cost): Move offline from ....; Likewise.
7937 * i386.h (MEMORY_MOVE_COST): .... here;
7938 (struct processor costs): Add new fields to represent costs
7941 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7943 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7944 move_cost together with Matt Kraai's fix.
7946 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7948 * Makefile.in (OBJS): Add params.o.
7950 2001-02-14 Richard Henderson <rth@redhat.com>
7951 DJ Delorie <dj@redhat.com>
7953 * jump.c (jump_optimize_1): When we delete a conditional jump
7954 preceeding a non-conditional jump to effectively the same place,
7955 make sure that the combined jump skips any clobber insns between
7958 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7960 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7962 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7964 * Makefile.in (toplev.o): Depend on params.h.
7965 (intergate.o): Likewise.
7966 (params.o): New target.
7967 * flags.h (inline_max_insns): Remove.
7968 * integrate.c: Include params.h.
7969 Use MAX_INLINE_INSNS instead of inline_max_insns.
7970 * params.c: New file.
7971 * params.h: Likewise.
7972 * params.def: Likewise.
7973 * toplev.c: Include params.h.
7974 (lang_independent_params): New variable.
7975 (decode_f_option): Use the param machinery instead of setting
7977 (independent_decode_option): Handle "--param name=value".
7978 (main): Register language-independent parameters.
7980 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7982 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7984 2001-02-14 Richard Henderson <rth@redhat.com>
7986 * regclass.c (init_reg_sets_1): Revert last two changes.
7988 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7990 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7991 (variable_size): Call put_pending_size.
7992 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7993 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7994 sizes list, put newly created SAVE_EXPR there as well.
7996 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7998 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7999 (errata_find_address_regs): load_group has only 2 entries.
8000 (errata_emit_nops): Likewise. shladd is not problematic.
8001 Clear last_group if nop was emitted.
8002 (fixup_errata): load_group has only 2 entries.
8005 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8007 * c-lex.c (lex_number): Only warn traditionally for U suffix
8008 outside system macros.
8009 * cppexp.c (parse_number): Similarly.
8010 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8011 * cppmacro.c (struct cpp_macro): New member node.
8012 (parse_args): Only warn about missing rest args if not
8014 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8015 (cpp_sys_objmacro_p): New.
8016 (_cpp_create_definition): Store the node with the macro defn.
8017 Remember if the macro is defined in a system header.
8019 2001-02-13 DJ Delorie <dj@redhat.com>
8021 * configure.in (check_languages): determine languages to check
8022 * Makefile.in (check-c++): alias for check-g++
8023 (check-f77): alias for check-g77
8024 (CHECK_TARGETS): depend on configured languages
8026 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8028 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8029 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8030 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8031 (sqrtextendsfdf2): Disable for SSE2.
8033 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8035 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8036 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8037 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8038 (sqrtextendsfdf2): Disable for SSE2.
8040 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8042 * i386.md (movsfcc_1): Support integer cmove instruction.
8043 (movdfcc_1): Likewise; new splitter.
8045 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8047 * i386.c (output_fp_compare): Support SSE.
8048 (prepare_fp_compare_args): SSE comparisons always support memory.
8049 * i386.h (TARGET_CMOVE): SSE imply cmove.
8050 * i386.md (cmp?f2): Enable for SSE too.
8051 (cmpfp_i*): Support SSE.
8053 (cmpfp_i_sse_only): New.
8054 (s*, b* fp expanters): Enable for SSE too.
8055 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8058 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8060 * regclass.c (init_reg_sets_1): Silence warning.
8062 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8064 * i386.md (sqrt?f2): Change to expander.
8065 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8067 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8069 * rtlanal.c (find_reg_equal_equiv_note): New function.
8070 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8071 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8072 * rtl.h: Add declarations for above functions.
8074 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8076 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8078 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8079 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8080 * flow.c (mark_regs_live_at_end): Likewise.
8081 (calculate_global_regs_live): Likewise.
8082 * gcse.c (compute_hash_table): Likewise.
8083 (compute_kill_rd): Likewise.
8084 * resource.c (mark_target_live_regs): Likewise.
8085 * rtl.h (INVALID_REGNUM): New macro.
8087 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8089 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8091 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8093 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8096 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8098 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8100 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8101 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8102 (fop_sf_1_sse, fop_df_1_sse): New patterns
8103 (fop_*): Disable float_extend and float patterns for SSE compilation.
8104 * i386.c (output_387_binary_op): Support SSE.
8106 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8108 * i386.md (dummy_extendsfdf2): Support SSE2
8109 (extendsfdf2): Enable if 80387 or SSE2.
8110 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8111 and no MIX_I387_SSE2
8112 (extendsfdf2_1_sse_only): New pattern.
8113 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8115 (truncdfsf2_1): Support SSE.
8116 (truncdfsf2_2): Support SSE.
8117 (truncdfsf2_2_1_sse): New pattern.
8118 (fixtruncsfsi2): Always use SSE if available.
8119 (fix_truncsfsi_sse): New pattern.
8120 (fix_truncdfsi_sse): New pattern.
8121 (floatsis?f2): Support SSE.
8122 (floatsidf2_i387): New pattern.
8123 (floatsidf2_sse): Likewise.
8125 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8127 * configure.in: Use "have_gnat" variable, not "gnat".
8128 * configure: Regenerated.
8130 * config/sparc/sparc.c (function_value): Treat all non-record
8131 aggregate types like used to treat UNION_TYPE.
8133 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8135 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8136 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8138 (MASK_MIX_SSE_I387): New.
8139 (TARGET_SSE): SSE2 imply SSE.
8140 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8141 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8142 (enum reg_class): Add new classes.
8143 (REG_CLASS_NAMES): Likewise.
8144 (REG_CLASS_CONTENTS): Likewise.
8145 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8146 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8147 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8148 (CLASS_MAX_NREGS): Use new macros.
8149 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8150 * i386.md (pushsf, movsf): Support SSE.
8151 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8152 splitters to use ANY_FP_REGNO_P.
8153 (movdf_nointeger, movdf_integer): Likewise.
8155 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8157 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8158 (try_combine): Use it.
8160 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8162 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8163 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8164 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8165 (REGISTER_MOVE_COST): Likewise.
8166 * i386-protos.h (ix86_secondary_memory_needed,
8167 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8168 * i386.c (ix86_secondary_memory_needed,
8169 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8171 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8173 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8174 (HARD_REGNO_MODE_OK): Move offline to ....
8175 * i386.c (ix86_hard_regno_mode_ok) ... here;
8176 refuse all incorrect modes.
8177 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8179 2001-02-13 Richard Henderson <rth@redhat.com>
8181 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8182 entire operator; replicate that and match_dup the operands.
8183 (cmp_ccx_arith_op_set): Likewise.
8184 (cmp_cc_arith_op_not_set): Likewise.
8185 (cmp_ccx_arith_op_not_set): Likewise.
8187 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8189 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8191 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8193 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8194 (TARGET_NO_BITFIELD_WORD): New macro.
8195 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8196 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8198 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8200 * cselib.c: New file, from simplify-rtx.c.
8201 * simplify-rtx.c: Remove cselib parts.
8202 * Makefile.in: Add cselib.o.
8204 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8206 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8207 (setup_incoming_varargs): Remove warning.
8209 * config/rs6000/rs6000.c (validate_condition_mode): When
8210 flag_fast_math, allow floating-point conditionals to be reversed.
8211 (rs6000_generate_compare): When flag_fast_math, don't generate
8212 cror operations for FP conditionals.
8214 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8216 (ASM_SPEC): Likewise.
8217 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8218 (CC1_SPEC): Likewise.
8219 (LINK_TARGET_SPEC): Likewise.
8220 (CPP_ENDIAN_SPEC): Likewise.
8221 * Makefile.in (check-consistency): New target.
8223 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8225 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8226 "return type defaults" warning for functions with return type
8228 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8229 function declarations by default rather than only when pedantic.
8231 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8233 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8236 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8238 * extend.texi (Deprecated): Deprecate new initializer lists.
8240 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8242 * mkdeps.c (deps_add_default_target): Robustify. Add
8243 basename component only.
8244 * cpp.texi (-M): Describe how default target is generated.
8245 * invoke.texi (-M): Likewise.
8247 2001-02-12 Kazu Hirata <kazu@hxi.com>
8249 * toplev.c (push_float_handler): Remove.
8250 (pop_float_handler): Remove.
8251 * toplev.h: Remove prototypes for the above functions.
8253 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8255 * c-common.c (constant_fits_type_p): New function.
8256 (convert_and_check): Use it.
8258 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8260 * Makefile.in (GXX_ABI_FLAG): Don't define.
8261 * configure.in (--enable-new-gxx-abi): Remove option.
8262 * config.in: Regenerated.
8263 * configure: Likewise.
8265 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8267 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8269 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8270 regular basic block, and arrange for all edges into it to switch
8273 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8275 * Makefile.in (distclean): Do not remove .gdbinit.
8277 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8279 * Makefile.in (gcc.o): Fix typos.
8280 (protize.o): Likewise.
8281 (unprotoize.o): Likewise.
8283 2001-02-11 Richard Henderson <rth@redhat.com>
8285 * tree.c (build1): Check for null operand in last change.
8287 2001-02-11 Richard Henderson <rth@redhat.com>
8289 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8290 (fold): Don't assume a constant isn't foldable.
8291 * tree.c (build): Set TREE_CONSTANT for an expression with no
8292 side-effects and constant operands.
8295 2001-02-10 Richard Henderson <rth@redhat.com>
8297 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8299 2001-02-10 Anthony Green <green@redhat.com>
8301 * cpp.texi (Standard Predefined): Add documentation for
8304 * c-common.c (combine_strings): Improve warning message.
8306 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8308 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8310 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8312 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8314 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8317 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8319 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8322 2001-02-09 Nick Clifton <nickc@redhat.com>
8324 * config/arm/arm.md: Change output contraint on post inc
8325 load/store multiple patterns to be a read/write contraint.
8327 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8329 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8330 .o files when using the -M options.
8332 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8333 David Edelsohn <edelsohn@gnu.org>
8335 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8336 handle DImode constants. Use one TOC entry for SImode and smaller
8337 constants, aligned properly.
8339 2001-02-08 Jason Merrill <jason@redhat.com>
8341 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8342 about the SP adjustment for saving the static chain pointer.
8343 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8344 offset when setting a temporary CFA register.
8346 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8348 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8349 powerpc-*-chorusos* .
8350 * config/rs6000/chorus.h : New file.
8351 * config/i386/chorus.h : New file.
8352 * config/sparc/chorus.h : New file.
8353 * config/sparc/t-chorus-elf : New file.
8355 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8357 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8358 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8359 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8360 (__WCHAR_TYPE__): Correct macro name.
8362 2001-02-08 Richard Henderson <rth@redhat.com>
8364 * config/i386/i386.c (ix86_frame_pointer_required): New.
8365 (ix86_setup_frame_addresses): New.
8366 (struct machine_funciton): Add accesses_prev_frame.
8367 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8368 ix86_frame_pointer_required.
8369 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8370 (SETUP_FRAME_ADDRESSES): New.
8371 * config/i386/i386-protos.h: Update.
8372 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8373 from FRAME_POINTER_REQUIRED.
8374 * config/i386/svr3gas.h: Likewise.
8375 * config/i386/sysv3.h: Likewise.
8376 * config/i386/v3gas.h: Likewise.
8378 2001-02-08 Richard Henderson <rth@redhat.com>
8380 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8381 calculation of the number of integer registers required.
8382 (function_arg_record_value): Likewise.
8384 2001-02-08 Jason Merrill <jason@redhat.com>
8386 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8387 two. Print file and line with "confused" message.
8389 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8391 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8393 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8395 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8397 * final.c (cleanup_subreg_operands): The address of a MEM can
8400 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8403 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8405 * gcc.texi (Incompatibilities): Update documentation of
8406 preprocessing numbers.
8408 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8410 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8412 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8414 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8416 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8417 * gcc.c (struct compiler): Add cpp_spec field.
8418 (input_file_compiler): New variable.
8419 (do_spec_1): Allow a particular compiler to handle `%C'
8421 (main): Store the current compiler in input_file_compiler.
8422 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8424 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8426 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8427 * cppinit.c (cpp_create_reader): Initialize them.
8428 (append_include_chain): cxx_aware arg might be unused.
8429 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8430 keywords and give them their phase 7 meaning. Pedwarn about
8431 this unless '__bool_true_false_are_defined' is defined.
8433 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8435 * lcm.c (optimize_mode_switching): Emit mode_set before the
8436 JUMP_INSN of an abnormal edge.
8438 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8440 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8441 a scheduling barrier at the end.
8443 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8445 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8447 * config/sh/sh.md (reload_outsf): Removed.
8448 (movsf_ie): Introduce constraints for FPUL loads and stores.
8449 (reload_insf): Broaden the output constraint.
8451 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8453 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8454 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8456 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8458 * final.c: Revert my previous changes.
8459 * output.h: Make profile_label_no extern.
8460 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8461 for generating label.
8463 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8465 * config/i386/djgpp.h: Add comments about standard paths.
8466 (MD_EXEC_PREFIX): Undefine before defining.
8467 (MD_STARTFILE_PREFIX): New.
8469 2001-01-30 Bruce Korb <bkorb@gnu.org>
8471 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8472 (load_file): do not rely on load_file_data() to close file pointer
8473 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8474 fixinc/inclhack.def(irix_limits_const): add test_text
8476 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8478 * cppexp.c (parse_defined): Improve diagnostics for invalid
8481 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8483 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8485 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8487 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8488 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8489 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8490 (rs6000_output_symbol_ref): New function.
8491 (output_toc): Use VTABLE_NAME_P.
8493 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8495 * print-tree.c (print_node, case PARM_DECL):
8496 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8498 * stor-layout.c (reference_types_internal): New variable.
8499 (internal_reference_types): New function.
8500 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8501 * tree.h (internal_reference_types): New declaration.
8503 * cse.c (find_best_addr): Fix typo in computing cost.
8505 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8507 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8508 and this is the sum of a pointer and a constant, we know the result
8510 (num_sign_bit_copies, case PLUS): Likewise.
8511 * explow.c (convert_memory_address): Remove opposite SUBREG.
8512 * function.c (instantiate_new_reg): New function (from common code).
8513 (instantiate_virtual_regs_1): Call it.
8514 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8515 if pointers sign- or zero-extend.
8516 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8517 If pointers extend unsigned, use inside of SUBREG.
8518 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8520 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8522 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8523 subdir of gcc_gxx_include_dir.
8524 (gcc_gxx_target_include_dir): Remove.
8526 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8528 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8529 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8530 a high-level description.
8532 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8534 * final.c: Move the declaration of profile_label_no to ...
8535 * output.h: ... here.
8536 * function.c (expand_function_start): Call PROFILE_HOOK.
8537 * config/rs6000/aix.h: Define PROFILE_HOOK.
8538 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8539 * config/rs6000/rs6000.c (output_profile_hook): Define.
8540 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8541 output_profile_hook.
8542 tm.texi : Explain new macro PROFILE_HOOK.
8544 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8546 * extend.texi (Extended Asm): Do not say that semicolon is always
8547 a valid line-breaking character for GNU assemblers. Use
8548 newline-tab as the most commonly supported syntax. Use
8549 newline-tab rather than semicolon in multi-insn examples.
8551 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8553 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8555 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8556 David Edelsohn <edelsohn@gnu.org>
8558 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8559 code for AIX, even without flag_pic.
8561 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8563 * c-typeck.c (common_type): push and pop binding level around
8564 calling common_type on function parameters.
8566 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8568 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8570 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8572 * config/mips/mips.c (override_options): Fix typo in last change.
8573 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8574 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8576 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8578 * invoke.texi (-fdump-class-layout): Document.
8579 (-fdump-translation-unit): Use `=' as filename separator.
8581 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8583 * Makefile.in (s-mlib): Don't build multilibs if
8585 (DRIVER_DEFINES): Adjust accordingly.
8587 (protoize.o): Likewise.
8588 (unprotoize.o): Likewise.
8589 * configure.in: Recognize --enable-multilib.
8591 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8593 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8595 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8596 * configure.in: Remove --enable-libstdcxx_v3 support.
8597 * configure: Regenerated.
8599 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8601 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8602 Call abort instead of fatal.
8603 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8604 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8605 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8606 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8607 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8608 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8610 * diagnostic.h (set_internal_error_function): Renamed.
8611 * toplev.h (internal_error): Renamed from fatal.
8612 (pfatal_with_name): Deleted.
8613 (fatal_io_error): Now has printf-style arguments.
8614 * diagnostic.c (pfatal_with_name): Deleted.
8615 (fatal_io_error): Rework to have args in printf-style.
8616 (set_internal_error_function): Renamed from set_fatal_function.
8617 (internal_error): Renamed from fatal.
8618 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8619 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8620 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8621 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8622 * flow.c (verify_flow_info): Likewise.
8623 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8624 * config/mips/mips.c (save_restore_insns): Likewise.
8626 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8627 * flow.c (verify_flow_info): Likewise.
8628 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8629 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8630 (avr_normalize_condition): Likewise.
8631 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8632 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8633 (limit_reload_class, double_reg_to_memory): Likewise.
8634 (print_operand_address, emit_1600_code_shift): Likewise.
8635 (gen_tst_reg, gen_compare_reg): Likewise.
8636 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8637 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8639 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8641 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8642 * objc/objc-act.c (build_ivar_chain): Likewise.
8643 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8645 * graph.c (clean_graph_dump_file): Likewise.
8646 * profile.c (init_branch_prob): Likewise.
8647 * objc/objc-act.c (objc_init): Likewise.
8649 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8650 * config/avr/avr.c (avr_override_options): Likewise.
8651 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8652 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8653 * config/h8300/h8300.c (h8300_init_once): Likewise.
8654 * config/mips/mips.c (override_options): Likewise.
8655 * config/i386/i386.c (override_options): Likewise, rework.
8656 * config/m68k/m68k.c (override_options): Likewise.
8658 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8660 * config/mips/mips.c (print_operand): Likewise.
8661 * hash.c (hash_allocate): Don't check for failure returns from
8662 obstack functions that can't fail.
8663 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8664 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8665 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8666 (get_object_reference): Likewise.
8668 2001-02-04 Nick Clifton <nickc@redhat.com>
8670 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8671 StrongARM1110, 10TDMI, and 1020T.
8673 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8675 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8677 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8679 * config/sh/sh.md (movdf load split): Pass register number to
8680 FP_OR_XD_REGISTER_P.
8682 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8684 * cppinit.c (BC): New macro.
8685 (builtin_array): Add __GXX_WEAK__.
8686 * cpplib.h (builtin_type): Add BT_WEAK.
8687 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8688 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8689 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8691 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8693 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8695 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8697 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8698 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8700 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8702 * cpphash.h: Rename ALIGN _ALIGN.
8703 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8705 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8707 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8708 compilation environment.
8709 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8710 control over location of cygwin includes and libs.
8712 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8714 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8716 2001-02-02 lars brinkhoff <lars@nocrew.org>
8718 * md.texi (Standard Names): remove reference to spur.md.
8720 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8722 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8723 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8724 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8725 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8726 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8728 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8730 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8731 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8732 number before reload.
8733 (c4x_adjust_cost): Return zero before reload.
8734 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8735 split before reload.
8737 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8739 * c4x.c (c4x_hard_regno_rename_ok): New.
8740 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8741 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8743 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8745 * diagnostic.h: Add missing "extern" in all declarations.
8747 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8749 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8750 as for gcc_gxx_include_dir.
8752 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8754 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8756 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8758 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8759 label before alignment to be used as the braf base address.
8760 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8762 (casesi_jump_2): Require at least TARGET_SH2.
8764 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8765 truncation to 32-bit doubles on -m3e and -m4-single-only.
8767 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8769 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8770 the default when building a shared object.
8771 (init_spec): Use it.
8772 * testsuite/lib/g++.exp: Include the directory where libgcc
8773 is located to the LD_LIBRARY_PATH list.
8774 * invoke.texi (-shared-libgcc): Document the cases in which
8775 GCC defaults to using the shared libgcc.
8777 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8779 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8780 unsigned is wide enough.
8782 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8783 (si_to_float): Likewise.
8784 (float_to_si, float_to_usi): Use BITS_PER_SI.
8786 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8788 * dwarf2out.c: Added explanation of abbreviations.
8789 (def_cfa_1): Added comments listing DWARF2 instructions.
8790 (cfa_temp_reg): Removed in favor of cfa_temp.
8791 (cfa_temp_value): Removed in favor of cfa_temp.
8792 (cfa_temp): New global variable.
8793 (dwarf2out_frame_debug_expr): Added extensive introductory
8794 comments explaining the function's transformations. Revised to
8795 use cfa_temp. Added some rtx checking. Generalize IOR case.
8796 (dwarf2out_frame_debug): Revised to use cfa_temp.
8797 (output_aranges): Cast as "unsigned" to avoid warning.
8798 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8799 explain which instructions must be marked.
8801 2001-02-01 Richard Henderson <rth@redhat.com>
8803 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8806 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8808 * config/sh/crt1.asm (main_k): Modified so that start calls
8809 ___setup_argv_and_call_main.
8811 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8813 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8814 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8815 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8816 * cppmacro.c (builtin_macro): Set builtin flags here.
8817 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8818 (replace_args): Clarify intent.
8819 (cpp_get_token): Macro expansion tokens get the saved flags.
8821 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8824 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8826 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8829 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8831 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8832 returns Pmode pseudo, but we need ptr_mode.
8833 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8834 Remove bogus conversions; use HOST_WIDE_INT for size.
8835 Don't use TARGET if wrong mode.
8837 * config/i386/i386.c (ix86_compute_frame_size): Allow
8838 stack_alignment_needed to be non-default even if size is zero.
8840 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8842 * pa.c (hppa_init_pic_save): New function.
8843 * pa.h (hppa_init_pic_save): Declare.
8844 * pa.md (call, call_value, sibcall, sibcall_value): Use
8845 the above instead of duplicated code.
8847 * pa.c (hppa_encode_label): Correct size of alloca buffer
8848 so we don't overrun it. Correct leading `*' case.
8849 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8850 need to handle `*@'.
8851 (FUNCTION_NAME_P): Likewise.
8853 2001-01-31 Richard Henderson <rth@redhat.com>
8855 * config.gcc (alpha-osf5): Use float-i128.h.
8857 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8858 * config/float-i32.h: Likewise.
8859 * config/float-i64.h: Likewise.
8860 * config/float-sh.h: Likewise.
8861 * config/float-sparc.h: Likewise.
8863 2001-01-31 DJ Delorie <dj@redhat.com>
8865 * expmed.c (extract_bit_field): allow non-integral modes if we
8866 want to extract a whole register from itself.
8868 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8870 * c-typeck.c (set_init_index): If first is equal to last, assume as
8871 if it was not a range at all.
8873 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8875 * config/fp-bit.c: Include tm.h.
8876 (float_to_si): Don't assume SImode is 32-bits wide.
8877 (float_to_usi): Likewise.
8879 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8881 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8883 (typename): Call pending_xref_error after parsing typed_typespecs.
8884 * c-decl.c (lookup_tag): Give error immediately rather than
8885 leaving it pending if the tag of the wrong type is in the same
8887 (xref_tag): Don't pedwarn for forward declarations of enum types
8889 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8892 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8894 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8896 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8898 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8899 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8901 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8903 * cpphash.h (struct cpp_reader): New saved_flags.
8904 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8905 to avoid a paste after a pasted token.
8907 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8909 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8910 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8911 Wtype_MIN instead of LONG_MIN.
8913 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8915 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8917 * fixinc/fixincl.x: Regenerated.
8918 * fixinc/inclhack.def (irix_limits_const): New definition to
8919 convert "const" to "__const" in limits.h.
8921 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8923 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8925 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8927 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8928 when register dies in the insn.
8930 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8932 * diagnostic.c (fatal): Fix word wrap.
8934 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8936 * combine.c (try_combine): Fix SUBREG setting for
8937 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8939 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8941 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8944 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8946 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8948 * toplev.c (decode_W_option): Update warn_larger_than
8949 unconditionally for each processed switch.
8951 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8953 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8955 (hppa_expand_prologue): Delete code to save pic offset table register
8956 in the function prologue.
8957 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8958 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8959 table register at the beginning of the function after the prologue.
8961 2001-01-29 lars brinkhoff <lars@nocrew.org>
8963 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8965 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8966 Jeff Law <law@redhat.com>
8968 * pa.md (return): Revise comment for trivial return.
8969 (return_internal): Non-trivial return pattern for non-PIC code.
8970 (return_internal_pic): Non-trivial return pattern for PIC code.
8971 It uses the PIC register to ensure it is restored after
8973 (epilogue): Generate appropriate return for PIC and non-PIC code.
8975 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8977 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8979 2001-01-29 DJ Delorie <dj@redhat.com>
8981 * combine.c (if_then_else_cond): Pass the correct mode to
8982 operand_subword() for constants.
8984 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8986 * config/i386/cygwin.h: Add w32api to include search. Search different
8987 directories in a cross-build environment.
8989 2001-11-29 Tim Josling <tej@melbpc.org.au>
8991 * tree.h (TYPE_STUB_DECL): Add documentation.
8993 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8995 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8996 (sdbout_field_types): Likwise. Fix use of host_integerp.
8998 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9000 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9003 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9005 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9006 to use flag_gnu_linker.
9008 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9010 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9011 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9013 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9015 * tree.c, tree.h (build_parse_node): Remove; was identical to
9017 * c-lang.c (start_cdtor), objc/objc-act.c
9018 (build_module_descriptor): Use build_nt instead of
9021 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9023 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9024 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9025 not have any upper bits set.
9027 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9029 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9031 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9033 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9035 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9037 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9038 (integer_minus_one_node): Define.
9040 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9042 * Makefile.in (bootstrap2-lean): Fix typo.
9044 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9046 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9047 : Don't set fe_value.
9048 * cpplib.h (AVOID_LPASTE): New flag.
9049 (struct cpp_hashnode): Remove fe_value.
9050 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9051 * cppmacro.c (builtin_macro): Don't set flags here.
9052 (replace_args): Set AVOID_LPASTE flag on first token of an
9053 argument, and the token following it.
9054 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9055 macro expansion, and on the token following it. Do it for
9057 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9059 2001-01-27 Richard Henderson <rth@redhat.com>
9061 * config/alpha/t-ieee: Remove multilibbing.
9062 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9064 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9066 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9068 * Makefile.in: Remove all dependencies on defaults.h.
9069 * builtins.c: Don't include defaults.h.
9070 * c-common.c: Likewise.
9071 * c-decl.c: Likewise.
9072 * c-pragma.c: Likewise.
9073 * c-typeck.c: Likewise.
9074 * combine.c: Likewise.
9076 * frame-ia64.c: Likewise.
9077 * cppexp.c: Likewise.
9078 * crtstuff.c: Likewise.
9079 * dbxout.c: Likewise.
9080 * dwarf2out.c: Likewise.
9081 * dwarfout.c: Likewise.
9082 * emit-rtl.c: Likewise.
9083 * except.c: Likewise.
9085 * final.c: Likewise.
9086 * frame-dwarf2.c: Likewise.
9087 * libgcc2.c: Likewise.
9088 * optabs.c: Likewise.
9089 * profile.c: Likewise.
9090 * sdbout.c: Likewise.
9091 * toplev.c: Likewise.
9092 * tradcif.y: Likewise.
9094 * varasm.c: Likewise.
9096 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9098 * builtins.c (expand_builtin_fputs): Use size_one_node when
9099 transforming into fwrite.
9101 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9103 * extend.texi (Attribute Syntax): New section.
9105 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9107 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9108 they didn't need fixing.
9110 2001-01-27 Janis Johnson <janis@us.ibm.com>
9112 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9114 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9115 to remove macro definitions that are duplicated from elfos.h.
9117 2001-01-27 Richard Henderson <rth@redhat.com>
9119 * config/i386/sco5gas.h: Move ...
9120 * config/usegas.h: ... here.
9121 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9123 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9125 * c-typeck.c (struct constructor_stack): Add range_stack member.
9126 (really_start_incremental_init): Clear it.
9127 (push_init_level): Save constructor_range_stack and clear it if
9128 pushing explicit braces.
9129 (pop_init_level): abort if constructor_range_stack is non-zero at
9130 explicit closing brace. Restore saved constructor_range_stack if
9133 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9135 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9136 into register was forced into memory.
9138 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9140 * Makefile.in: Remove uses of + before $(MAKE).
9142 2001-01-26 Richard Henderson <rth@redhat.com>
9144 * stmt.c (cost_table): Remove.
9145 (COST_TABLE, cost_table_initialized): New.
9146 (estimate_case_costs): Use the later instead of the former.
9147 (balance_case_nodes): Likewise.
9149 2001-01-26 Richard Henderson <rth@redhat.com>
9151 * alias.c (objects_must_conflict_p): Read-only slots may not
9152 conflict despite having the same type.
9154 2001-01-27 Michael Hayes <mhayes@redhat.com>
9156 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9158 (check_ext_dependant_givs): Initialise u_start_val and
9160 (load_mems): Make last_max_reg unsigned.
9161 (try_swap_copy_prop): Use INSN_P and initialise set.
9163 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9165 * README.AVR : Removed.
9167 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9169 * pa-64.h (text_section): Remove declaration.
9171 * pa.md (return_internal): Remove mode on PIC register use.
9173 2001-01-25 lars brinkhoff <lars@nocrew.org>
9175 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9176 ASM_CLOSE_PAREN): fix typos.
9178 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9180 * acconfig.h: Define `const' to the empty string if neither
9181 __STDC__ nor __cplusplus is defined.
9182 * config.in: Regenerated.
9184 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9186 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9187 * collect2.c (main): Delete importf. Add ".obj" file extension.
9188 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9189 (aix_std_libs): Add additional AIX libraries to skip.
9190 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9191 * config/rs6000/aix51.h: New file.
9193 2001-01-25 Michael Hayes <mhayes@redhat.com>
9195 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9196 (loop_insn_emit_before): No longer static.
9197 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9198 (loop_givs_rescan, load_mems): Likewise.
9199 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9200 (maybe_eliminate_biv_1):
9201 (move_movables): Replace emit_call_insn_before with
9202 loop_call_insn_hoist.
9203 * loop.h (loop_insn_emit_before): Add.
9204 * unroll.c (copy_loop_body): Replace emit_insn_before with
9205 loop_insn_emit_before.
9207 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9209 * diagnostic.c (fatal): Request preprocessed source.
9211 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9213 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9214 olddecl has argument types and newdecl has none, use the argument
9217 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9219 * dwarf2out.c (prefix_of): New function. Determine longest common
9220 prefix of the two arguments. The units are whole path components.
9221 (output_file_names): When adding a new directory find the one entry
9222 with the longest common prefix already in the list. Artificially
9223 generate entry if there is none for this prefix.
9224 Fix test to check whether the zeroth directory entry is used.
9226 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9228 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9229 Changed all callers. Take it into account when deciding if a
9230 previously loaded value matches.
9232 2001-01-24 Richard Henderson <rth@redhat.com>
9234 * reload.c (find_reloads_subreg_address): Fail the substitution
9235 if the resulting address is insufficiently aligned.
9237 2001-01-24 DJ Delorie <dj@redhat.com>
9239 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9240 check the original operand's mode also.
9241 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9243 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9245 * c-parse.in (cast_expr): Move compound literals from here ...
9246 (primary): ... to here. Use standard terminology "compound
9247 literal" instead of "constructor expression".
9249 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9251 * gcc.1, cpp.1: Regenerate.
9253 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9255 * calls.c (emit_library_call_value_1): Memory slot for
9256 pass-by-reference argument should have the mode of the argument,
9257 not of the pointer to it.
9259 2001-01-24 Tom Tromey <tromey@redhat.com>
9261 * gcc.texi (G++ and GCC): Mention gcj manual.
9262 (Standards): Link to section of manual mentioning gcj/Java
9265 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9267 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9268 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9269 * tradcpp.c (main): Add -imacros or -include'd dependencies
9271 * cpp.texi (-M, -MM): Document -M -include behaviour.
9273 2001-01-24 Roger Collins <roger@ProProject.com>
9275 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9277 2001-01-24 Will Cohen <wcohen@redhat.com>
9279 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9280 whether registers are 32 bits or 64 bits in size.
9282 2001-01-24 Ben Elliston <bje@redhat.com>
9284 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9286 2001-01-24 Richard Henderson <rth@redhat.com>
9288 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9289 (builtin_longjmp): Use it instead of emit_indirect_jump.
9291 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9293 * bb-reorder.c (make_reorder_chain_1): Handle case where
9294 jump edge goes to the same block as the fallthru edge.
9296 2001-01-23 Jim Wilson <wilson@redhat.com>
9298 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9299 * frame.h (__ia64_personality_v1): Add prototype.
9300 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9301 prototype form. Add void * cast to first argument to personality
9303 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9304 (asctoe113): Likewise.
9305 * config/ia64/frame-ia64.c: Include eh-common.h.
9306 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9308 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9310 (itanium_split_issue): Add prototype.
9311 (gen_nop_type): Ifdef out.
9312 (find_best_packet): Initialize best_packet.
9313 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9315 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9316 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9317 (flushrs): Add explicit stop bit at end.
9318 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9321 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9323 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9325 * libgcc2.c (__terminate_func): Make variable static.
9326 (__terminate_set_func): New function to set __terminate_func.
9327 * libgcc2.h (__terminate_func_ptr): New typedef.
9328 (__terminate_set_func): New function.
9330 2001-01-23 Richard Henderson <rth@redhat.com>
9332 * flow.c (init_propagate_block_info): Don't consider unchanging
9333 memories for dead frame store elimination.
9335 2001-01-23 Richard Henderson <rth@redhat.com>
9337 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9338 * defaults.h: ... here.
9340 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9342 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9344 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9346 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9348 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9350 * rs6000.h (rs6000_return_addr): Move prototype from here...
9351 * rs6000-protos.h (rs6000_return_addr): ...to here.
9352 (rs6000_init_expanders): Delete prototype.
9354 2001-01-23 Nick Clifton <nickc@redhat.com>
9356 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9357 (Spec Files): Document %B and %j and %. and %v3 and %M and
9358 %{S*&T} spec switches.
9360 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9362 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9364 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9365 Neil Booth <neil@daikokuya.demon.co.uk>
9367 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9368 Have -Werror make pedantic warnings errors, like the
9371 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9373 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9375 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9377 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9378 * integrate.c (expand_inline_function): Initialize them.
9379 (subst_constants): If changing COMPARE so that both its arguments
9380 will be VOIDmode and the comparison mode will be lost, note
9381 compare_mode. Use the recorded compare_mode to optimize
9384 2001-01-23 Jason Merrill <jason@redhat.com>
9386 * dwarf2out.c (new_die): Use xcalloc.
9387 (output_die): Abort rather than emit a local reference to offset 0.
9389 2001-01-17 Andrew Haley <aph@redhat.com>
9391 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9392 of a saved register; return NULL instead.
9393 (copy_reg): Take a pointer to a source register rather than a
9395 (next_stack_level): Remember the address in the stack frame of all
9397 Use the saved register pointer array as the source of the CFA.
9398 (throw_helper): Rewrite. Unwind once rather than twice and keep
9399 track of saved registers as we go.
9401 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9403 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9404 * c4x.c (c4x_legitimize_reload_address): Remove.
9405 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9406 reload address for ldp(k) insn.
9408 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9410 * pa.md (return_internal): Add a USE of the PIC register to ensure
9411 it is restored after each call.
9412 (return expander): Corresponding changes.
9414 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9416 * rs6000.h (INIT_EXPANDERS): Delete.
9417 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9418 * rs6000.c (rs6000_override_options): Call *_machine_status from
9420 (rs6000_init_expanders): ...instead of here. Delete.
9421 (rs6000_mark_machine_status): New function.
9422 (rs6000_init_machine_status): Use xcalloc.
9423 (rs6000_return_addr): Generate RTX for the return address.
9424 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9425 (rs6000_stack_info): Use it.
9427 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9429 * gthr-win32.h: Include errno.h to get a declaration for
9430 EINVAL and _mingw.h if the target is mingw32.
9432 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9434 * cpp.texi: Correct typos.
9436 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9438 * explow.c (probe_stack_range): Ensure value passed to
9439 stack_check_libfunc is ptr_mode, not Pmode.
9441 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9443 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9444 case, don't use operand_subword to calculate a SUBREG that is
9447 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9449 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9451 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9452 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9453 valid. If not replace it by equivalent insns.
9455 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9457 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9458 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9459 (c4x_U_constraint, symbolic_address_operand): Likewise.
9460 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9462 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9463 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9464 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9465 anulling slot because of silicon bug.
9466 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9468 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9470 * cppexp.c (parse_charconst): Change `mask' type to agree
9473 2001-01-21 Richard Henderson <rth@redhat.com>
9475 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9476 pic_label_name in a linkonce section.
9478 2001-01-17 Philipp Thomas <pthomas@suse.de>
9480 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9482 * configure: Regenerate.
9484 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9486 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9487 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9489 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9491 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9492 If REVERSE nonzero then condition code in X must be reversed.
9493 (encode_section_info): Optimise if/else.
9494 (avr_function_value): Fix formatting.
9496 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9497 (difficult_branch): Likewise.
9498 (rvbranch): Likewise.
9499 (difficult_rvbranch): Likewise.
9501 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9503 * config/avr/libgcc.S: Fix comment.
9505 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9507 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9509 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9511 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9513 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9515 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9516 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9517 * configure, config.in: Regenerate.
9518 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9519 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9520 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9521 (doprint.o): New rule.
9523 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9525 * c-typeck.c (digest_init): Handle boolean types as scalars.
9527 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9529 * stmt.c (expand_return): Don't return anything if size is zero.
9530 Delete redundant assignment to BYTES.
9531 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9533 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9535 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9536 the same as the default library function names.
9537 * config/avr/avr.md: Document special characters after '%'.
9538 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9539 knowing which of the call-used registers are really clobbered.
9540 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9541 New. Both quotient and remainder from one libgcc.S call.
9542 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9543 clobber as few registers as possible.
9544 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9546 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9548 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9549 context of the top of the stack.
9551 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9553 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9554 (fixup_var_refs_insns): ...here.
9556 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9558 * function.c (fixup_var_refs_insns): Break up into
9559 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9560 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9561 [loop over hash table entries].
9562 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9563 fixup_var_refs_insns_with_hash, to match above changes.
9565 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9567 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9568 (libgcc.a): Likewise.
9569 (stmp-multilib): Likewise.
9570 (STAGE2_FLAGS_TO_PASS): Likewise.
9572 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9574 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9575 temporary if no_new_pseudos.
9577 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9579 * cppinternals.texi: Update.
9581 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9583 * arm.c (arm_init_builtins): Re-enable builtins.
9585 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9587 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9588 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9589 element to be null, and always expect an EXPR_LIST.
9590 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9591 * sched-deps.c (sched_analyze_1): Likewise.
9592 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9594 * regclass.c (max_set_parallel): New variable.
9595 (reg_scan): Take it into account in computation of max_parallel.
9596 (reg_scan_mark_refs, case SET): Compute it.
9598 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9600 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9601 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9603 2001-01-19 Jason Merrill <jason@redhat.com>
9605 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9606 for the abstract instance of an inline function.
9608 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9609 J"orn Rennecke <amylaar@redhat.com>
9611 * reload1.c (move2add_note_store): Treat all registers directly or
9612 indirectly derived from a base register as members of the same set
9614 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9615 of base register into account.
9617 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9619 * alias.c (find_base_value): Recognize TRUNCATE.
9620 (record_set): In PLUS case, invalidate if other summand is also a
9623 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9625 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9626 entry to be EXPR_LIST.
9627 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9628 be an EXPR_LIST (but not null, which other code doesn't allow).
9629 (note_stores): Properly handle PARALLEL in SET.
9630 Recursively call for top-level PARALLEL.
9631 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9632 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9634 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9636 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9638 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9639 not pfile->skipping (== 0).
9641 2001-01-17 Nick Clifton <nickc@redhat.com>
9643 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9646 2001-01-17 Jim Wilson <wilson@redhat.com>
9648 * invoke.texi (IA-64 options): Improve.
9650 2001-01-17 Tom Tromey <tromey@redhat.com>
9652 * invoke.texi (Optimize Options): Use `{}' to around @samp
9655 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9657 * invoke.texi (-fno-guess-branch-probability): New option.
9659 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9661 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9662 case of making new double-word constant.
9663 Revert last change: instead just test i3_subst_into_i2.
9665 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9667 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9668 Use q constraints instead of r.
9670 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9672 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9673 (machine_function): Define.
9674 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9675 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9676 pa_free_machine_status): New functions.
9677 (override_options): Set {init,mark,free}_machine_status to above.
9678 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9679 PIC_OFFSET_TABLE_REGNUM_SAVED.
9680 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9681 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9682 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9683 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9684 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9686 2001-01-15 DJ Delorie <dj@redhat.com>
9688 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9692 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9694 * flow.c (propagate_one_insn): Make trying to delete a prologue
9695 or epilogue insn an ICE, not a warning. Allow doing this if
9696 the current function returns with stack pointer depressed.
9698 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9699 I3 having more than one SET.
9701 2001-01-16 Jim Wilson <wilson@redhat.com>
9703 * invoke.texi: Document IA-64 options.
9705 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9706 (fixup_errata): Delete TARGET_A_STEP use.
9707 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9708 (TARGET_SWITCHES): Delete -ma-step option.
9709 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9710 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9711 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9712 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9713 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9714 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9716 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9717 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9718 cmovsi_internal): Delete ! TARGET_A_STEP check.
9720 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9722 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9723 possibility to report bugs via postal mail. Change a URL and
9724 merge in a nearly duplicate statement...
9725 (Bug Reporting): ...from here.
9726 (Service): Refer to the Bug Reporting section instead of
9728 (Contributing): Remove trivial explanations concerning snapshots.
9730 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9732 * cppmain.c (general_init): Don't use ANSI prototype.
9734 2001-01-16 Tom Tromey <tromey@redhat.com>
9736 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9738 2001-01-16 Richard Henderson <rth@redhat.com>
9740 * config/i386/i386.h: Fix comment typo.
9741 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9742 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9744 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9746 * gcc.c: Revert previous -fsyntax-only-related change; move
9749 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9751 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9752 inmode after checking GET_CODE (op).
9754 2001-01-16 Richard Henderson <rth@redhat.com>
9756 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9757 (MAX_MEM_SET_LIST_LEN): New.
9758 (propagate_one_insn): Update mem_set_list_len.
9759 (invalidate_mems_from_autoinc): Likewise.
9760 (invalidate_mems_from_set): Likewise.
9761 (mark_used_regs): Likewise.
9762 (init_propagate_block_info): Likewise. Stop collecting memories
9763 when we reach MAX_MEM_SET_LIST_LEN.
9764 (mark_set_1): Likewise.
9766 2001-01-16 Richard Henderson <rth@redhat.com>
9768 * unroll.c (precondition_loop_p): Fail if no iteration
9771 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9773 * gcc.c: When -fsyntax-only is given, do not complain about
9776 2001-01-15 Richard Henderson <rth@redhat.com>
9778 * config/i386/i386.c (asm_output_function_prefix): Remove.
9779 (ix86_asm_file_end): New.
9780 (load_pic_register): Generate pic_label_name into a
9781 staticly allocated buffer.
9782 * config/i386/i386-protos.h: Update.
9783 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9784 (ASM_FILE_END): New.
9785 * config/i386/i386afe.h: New file.
9786 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9787 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9788 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9789 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9790 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9791 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9792 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9794 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9796 * Makefile.in (install-man): Remove explicit dependency on
9799 * configure.in, configure: Revert previous patch requiring perl
9802 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9804 * toplev.c (flag_guess_branch_prob): New.
9805 (f_options): Add guess-branch-probability option.
9806 (rest_of_decl_compilation): Only estimate branch probability if
9808 (main): set flag_guess_branch_prob.
9810 * flags.h (flag_guess_branch_prob): New.
9812 2001-01-15 DJ Delorie <dj@redhat.com>
9814 * gcc.texi (Makefile): Add documentation for Makefile targets.
9816 2001-01-15 Philip Blundell <philb@gnu.org>
9818 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9820 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9821 (is_pic): Delete declaration.
9822 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9823 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9824 * config/arm/arm.md (builtin_setjmp_receiver): New.
9826 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9828 * arm.c (use_return_insn): Don't try to determine the function type
9829 until after reload has completed.
9830 (arm_output_epilogue): Don't adjust the sp value recovered from the
9832 (emit_multi_reg_push): Don't record dwarf information for the pc.
9833 * arm.md (eh_epilogue): The function type may have changed, so it
9834 needs to be recalculated.
9835 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9836 unwind tables on arm/netbsd.
9838 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9840 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9841 (negated_cbranchsi4): Likewise.
9843 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9845 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9846 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9847 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9848 pass -mapcs-* options to assembler.
9849 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9850 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9851 (ASM_SPEC): Call subtarget_extra_asm_spec.
9853 2001-01-15 Andreas Jaeger <aj@suse.de>
9855 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9857 (ix86_expand_builtin): Likewise.
9859 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9860 warning about comparison between signed and unsigned.
9862 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9864 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9866 2001-01-14 Ralf Baechle <ralf@gnu.org>
9868 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9869 SUBTARGET_CPP_SPEC apropriatly.
9871 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9873 * varasm.c (make_decl_rtl): Fix typo in last change.
9875 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9877 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9878 linker supports the init_priority C++ attribute.
9879 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9880 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9881 linker does not support init_priority C++ attribute.
9883 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9885 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9887 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9889 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9890 * cp/lex.c (finish_parse): Similarly.
9891 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9892 Return the number of errors encountered.
9893 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9894 * cppmain.c (main): Don't call cpp_destroy.
9896 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9898 * configure.in: Require at least perl 5.6.0 to regenerate
9900 * configure: Regenerate.
9902 2001-01-14 Richard Henderson <rth@redhat.com>
9904 * genrecog.c (DT_veclen_ge): New.
9905 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9906 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9907 (nodes_identical_1): Handle DT_veclen_ge.
9908 (write_cond, debug_decision_2): Likewise.
9910 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9912 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9914 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9916 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9918 * cppmain.c (do_preprocessing): New function; most of the old
9920 (main): Call it to do most of the work.
9921 (cb): Move from global scope to set_callbacks ().
9922 (setup_callbacks): Get the callback pointer.
9923 (general_init, printer_init): Clean up code and comments.
9925 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9927 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9930 2001-01-14 Kazu Hirata <kazu@hxi.com>
9932 * config/h8300/h8300.c (get_shift_alg): Update comments.
9934 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9936 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9937 (alloc_page, ggc_alloc): Add casts to remove warnings.
9939 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9941 * combine.c (simplify_comparison): Don't change `code' when
9942 can't reverse comparison.
9944 2001-01-14 Richard Henderson <rth@redhat.com>
9946 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9947 update all call sites. Return true for all non-label constants.
9949 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9951 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9953 (ix86_expand_branch): Update.
9954 (ix86_expand_setcc): Update to handle multiple test conditions.
9955 (expand_int_movcc): Likewise.
9956 (expand_fp_movcc): Likewise.
9957 * i386-protos.h (ix86_expand_compare): New.
9958 * i386.md (andqi_?_slp, orqi_?_slp): New.
9959 (conditional trap expander): Update call to ix86_expand_compare.
9961 2001-01-14 Richard Henderson <rth@redhat.com>
9963 * config/vax/vax.md: Use nonimmediate_operand instead of
9964 general_operand in destinations.
9966 * config/vax/vax.md (indirect_jump): Use register_operand.
9968 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9969 * config/vax/vax.md (call_pop): Turn into an expander.
9970 (call_value_pop): Likewise.
9971 (call, call_value): New.
9973 2001-01-14 Andreas Jaeger <aj@suse.de>
9975 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9977 (ix86_fp_compare_mode): Add unused attribute.
9978 (ix86_expand_fp_movcc): Remove unused variable.
9979 (ix86_expand_builtin): Make fcode unsigned.
9981 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9982 (expand_expr): Add cast to avoid signed warning.
9983 (store_field): Likewise.
9984 (store_constructor_field): Likewise.
9985 (store_constructor): Likewise.
9986 (store_expr): Likewise.
9987 (clear_storage): Likewise.
9988 (emit_group_store): Likewise.
9989 (emit_group_load): Likewise.
9991 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9993 * c-common.c: Move format checking code to ...
9994 * c-format.c: ... here. New file. Reorder some functions and
9996 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9998 * c-common.h (decl_handle_format_attribute,
9999 decl_handle_format_arg_attribute): Declare.
10000 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10001 (c-common.o): Adjust dependencies.
10002 (c-format.o): New list of dependencies.
10004 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10006 * unroll.c (loop_iterations): If we cannot prove iteration variable
10007 is set once in each iteration, punt.
10009 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10011 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10012 (*strlenhi): Remove clobber (which was buggy) of output address.
10014 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10016 * Makefile.in (generated-manpages): Add gcc.1
10017 ($(srcdir)/gcc.1): New target.
10018 (maintainer-clean): Delete $(srcdir)/gcc.1.
10019 * gcc.texi: Add macros @gccoptlist and @gol.
10020 * invoke.texi: Include option summary in manpage. Mark up option
10021 summary with @gccoptlist and @gol. Use @r in one place where
10023 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10024 * gcc.1: Generate from invoke.texi.
10026 2001-01-13 Richard Henderson <rth@redhat.com>
10028 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10029 (struct page_entry): Add group member.
10030 (struct page_group): New.
10031 (struct globals): Add page_groups member.
10032 (alloc_anon): Only define for using mmap; remove valloc call.
10033 (page_group_index): New.
10034 (set_page_group_in_use): New.
10035 (clear_page_group_in_use): New.
10036 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10037 (free_page, release_pages): Likewise.
10038 * configure.in (with-gc): Default to ggc-page always.
10040 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10042 * reload1.c (replace_pseudos_in_call_usage): Use
10043 reg_equiv_constant and reg_equiv_address, and don't try
10044 regno_reg_rtx first.
10046 2001-01-13 Richard Henderson <rth@redhat.com>
10048 * ggc-page.c (alloc_page): Round up allocation size to one page.
10049 Set e->order on extra pages.
10051 2001-01-13 Richard Henderson <rth@redhat.com>
10053 * genrecog.c (nodes_identical): Expand commentary.
10054 (write_switch): Watch out for identical nodes.
10056 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10058 * cppfiles.c (_cpp_fake_include): New function.
10059 * cpphash.h (_cpp_fake_include): New.
10060 * cpplib.c (do_line): Call _cpp_fake_include when entering
10061 header files in preprocessed input.
10062 * cppmain.c (cb_pragma_implementation): Remove handling.
10063 (setup_callbacks): Don't register pragmas.
10065 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10067 * extend.texi: Udate for CPP.
10069 2001-01-13 Andreas Jaeger <aj@suse.de>
10071 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10073 * regmove.c: Add prototype for replace_in_call_usage.
10075 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10077 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10078 struct cpp_chunk, struct htab, struct toklist,
10079 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10080 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10081 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10082 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10083 (struct macro_args): Delete.
10084 * cpphash.h: See above.
10086 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10088 * cppmain.c (struct printer): Remove no_line_dirs.
10089 (options, cb): New.
10090 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10091 : Use options rather than CPP_OPTION.
10092 (setup_callbacks): Use cb rather than pfile->cb.
10093 (main): No need to check for a buffer. Use cpp_errors.
10094 (printer_init): Don't set no_line_dirs.
10095 (maybe_print_line): Use options not no_line_dirs.
10096 (cb_file_change): Don't call print_line if -P.
10098 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10100 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10102 * c-parse.in (finish_parse): Use cpp_errors.
10103 (__yylex): Use return value of cpp_pop_buffer.
10104 * cp/lex.c (finish_parse): Use cpp_errors.
10105 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10107 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10109 * README.AVR: URLs corrected.
10111 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10113 * c-decl.c (start_function): Don't warn if old prototype is builtin
10114 that's not in C's namespace.
10115 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10116 (_bb): Add prototype for ctime.
10117 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10119 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10121 * i386.c (ix86_fp_comparison_arithmetics_cost,
10122 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10123 ix86_fp_comparison_cost): New functions.
10124 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10125 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10126 two-branch sequences; make static.
10127 (ix86_use_fcomi_compare): Do decision according to the costs.
10128 (split_fp_branch): New.
10129 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10130 * i386-protos.h (ix86_expand_fp_compare): Remove
10131 (ix86_split_fp_branch): Declare.
10133 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10134 and ix86_comparison_operator.
10136 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10137 to make it cheaper.
10139 * i386.c (put_condition_code): Output properly the unordered/ordered
10140 compares in fp case.
10141 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10143 * tm.texi (REVERSE_CONDITION): Document.
10144 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10145 in -ffast-math mode.
10146 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10148 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10150 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10152 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10155 * config/sh/sh.c (mova_p): Fix test for mova_const.
10157 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10159 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10160 cpp_get_options rather than dereferencing pfile and using
10162 * scan-decls.c (scan_decls): Use return value of
10163 cpp_pop_buffer rather than CPP_BUFFER.
10165 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10167 * cppinit.c (cpp_handle_option): help_only is now part of the
10168 cpp_options structure.
10169 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10170 cpp_set_callbacks): New functions.
10171 * cpplib.h (cpp_callbacks): Break out as a named structure.
10172 (cpp_options): Move help_only here from cpp_reader.
10173 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10174 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10175 cpp_set_callbacks): New prototypes.
10176 * cppmain.c (main): Update for help_only.
10178 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10180 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10181 Also build and remove and install and uninstall c-tree.info and
10183 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10184 ($(srcdir)/cppinternals.info): New target.
10185 * c-tree.texi: Change file name used when makeinfo used without -o
10186 from ir.info to c-tree.info. Add info directory entry.
10187 * cppinternals.texi: Add info directory entry.
10188 * .cvsignore: Update.
10190 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10192 * c-typeck.c (store_init_value): Don't require constant initializer
10193 elements with -pedantic -std=c99.
10194 (digest_init): Change error about non-constant initializer elements
10196 (constructor_range_end): Remove.
10197 (constructor_incremental, designator_depth,
10198 designator_errorneous): New variables.
10199 (struct constructor_stack): Remove range_end, add incremental.
10200 (struct constructor_range_stack, constructor_range_stack): New.
10201 (struct initializer_stack): Add constructor_range_stack.
10202 (finish_init): Set it.
10203 (start_init): Likewise. require_constant_elements for non-static
10204 trees only if not flag_isoc99.
10205 (really_start_incremental_init): Remove constructor_range_end, add
10206 constructor_incremental.
10207 (pop_init_level): Likewise.
10208 (push_init_level): Likewise. If implicit and the subobject had some
10209 value set already, preinitialize the level with it.
10210 Warn about missing braces only if not pushing due to designators.
10211 (set_designator, push_range_stack): New functions.
10212 (set_init_label): Use them.
10213 (set_init_index): Likewise. Remove constructor_range_end.
10214 Error if designator index is outside of array bounds.
10215 (add_pending_init): Compare values of purpose index trees, not the
10216 trees themselves. Allow overwriting of already initialized element.
10217 Issue a warning if it had side-effects.
10218 (set_nonincremental_init, set_nonincremental_init_from_string): New
10220 (pending_init_member): Rename to...
10221 (find_init_member): ...this function. Call set_nonincremental_init
10222 if necessary. Compare values of purpose index trees, not the trees
10223 themselves. Return the actual value, not just non-zero if something
10225 (output_init_element): Remove checks for duplicates.
10226 If field has zero size, only check the initializer for correctness.
10227 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10228 if constructor_incremental is zero. Change error about initializers
10229 not computable at load time into pedwarn.
10230 (output_pending_init_elements): Compare bit positions, not
10231 FIELD_DECLs to take into account zero-sized fields.
10232 (process_init_element): Use constructor_range_stack to fill all
10233 ranges in the designator lists from current level up.
10234 * extend.texi: Update documentation for labeled elements.
10236 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10238 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10239 to function usage for arguments passed by reference. Optimize
10240 callee-copied arguments.
10241 * regmove.c (replace_in_call_usage): New function.
10242 (fixup_match_1): Call it.
10243 * cse.c (cse_insn): Canonicalize registers in function usage.
10244 * reload1.c (replace_pseudos_in_call_usage): New function.
10247 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10250 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10252 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10255 2001-01-12 DJ Delorie <dj@redhat.com>
10257 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10258 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10261 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10263 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10264 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10265 -std options alongside references to -ansi. Update some
10266 documentation for C99.
10267 * cpp.1: Regenerate.
10269 2001-01-12 Andreas Jaeger <aj@suse.de>
10271 * haifa-sched.c (restore_line_notes): Remove argument block B
10273 * sched-ebb.c (schedule_ebb): Change caller.
10274 * sched-rgn.c (schedule_region): Likewise.
10275 * sched-int.h (restore_line_notes): Adjust prototype.
10277 * loop.h: Remove wrong declaration of doloop_condition_get.
10279 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10281 * extend.texi: Move C++-extension-related node from the C section
10282 into the C++ section.
10284 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10286 * extend.texi: Refer to an array of pointers to functions instead
10287 of one of functions.
10289 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10290 Jan Hubicka <jh@suse.cz>
10292 * combine.c (reversed_comparison): Fix typo in last patch.
10294 (combine_reversed_comparison_code): Make static to follow
10295 prototype declaration.
10297 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10299 * install.texi: Remove misplaced duplicate entry.
10301 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10303 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10305 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10307 * final.c: (leaf_function_p): Fix typo.
10309 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10311 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10312 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10314 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10315 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10316 mmap_anon, and valloc is available.
10317 * ggc-page.c: Restructure ifdef logic to match new autoconf
10318 spec. Don't throw away the test page in init_ggc.
10320 * configure, config.in: Regenerate.
10322 2001-01-12 Michael Hayes <mhayes@redhat.com>
10324 * loop.h (total_biv_increment): Constify iv_class pointer.
10325 (struct induction): Replace `mem_mode' with `mem' rtx.
10326 * unroll.c (total_biv_increment): Constify iv_class pointer.
10327 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10328 (find_mem_givs, combine_givs_p): Likewise.
10329 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10331 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10333 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10335 (__gthread_getspecific): Ditto.
10337 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10339 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10340 put_condition_code): Convert fp comparison codes to integer
10342 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10345 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10346 * i386-protos.h (no_comparison_operator): Kill.
10348 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10350 * combine.c (REVERSIBLE_CC_MODE): Remove.
10351 (reversible_comparison_p): Remove.
10352 (combine_reversed_comparison_code): New.
10353 (reversed_comparison): New.
10354 (combine_simplify_rtx): Use
10355 combine_reversed_comparison_code/reversed_comparison instead
10356 of reversible_comparison_p.
10357 (simplify_if_then_else): Likewise.
10358 (simplify_set): Likewise.
10359 (simplify_logical): Likewise.
10360 (if_then_else_cond): Likewise.
10361 (known_cond): Likewise.
10362 (simplify_comparison): Likewise.
10364 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10366 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10367 sizeof (int) is larger than sizeof(__word__).
10369 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10371 * cppinit.c (do_includes): Fix typo.
10373 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10375 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10376 in S_REGS does not occur because not all sources are possible
10377 when a S_REGS is a destination (sometimes needs a clobber).
10378 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10379 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10380 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10381 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10382 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10383 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10384 (lshrdi_const1, lshrsi3_const16): Likewise.
10385 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10386 (*movhi_68hc12, *movqi_68hc12): Likewise.
10387 (movstrictqi): Make sure reloading in D_REGS as a destination
10390 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10392 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10394 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10396 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10397 -D, -U and -A, and don't initialize the builtins.
10398 (do_includes): Error if -include or -imacros with -fpreprocessed.
10399 * cppmain.c (cb_define, cb_undef): Unconditionally process
10401 * tradcpp.c (main): Fix typo.
10403 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10405 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10406 (read_name_map): Use IS_ABSOLUTE_PATH.
10407 * tradcpp.c (get_filename): Likewise.
10409 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10411 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10412 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10413 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10414 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10415 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10416 (cmphi_z_used): Don't use '@' for the output.
10417 (tstqi_z_used): Likewise.
10418 (cmpqi_z_used): Likewise.
10419 (one_cmplsi2): Likewise.
10421 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10423 * config/sh/sh.c (barrier_align): Recognize branch around far
10424 branch and redundant insn.
10426 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10428 * invoke.texi: Restore documentation of the drivers' switches -MD
10431 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10433 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10435 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10436 check-objc//%): Support parallel testing of multilibs.
10437 (TESTSUITEDIR): Set to testsuite by default, but override for
10439 (check-gcc, check-g++, check-g77, check-objc): Enter
10442 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10444 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10445 * sched-deps.c (deps_may_trap_p): Likewise.
10446 * basic-block.h: Remove a comment.
10447 * flow.c (PROP_POSTRELOAD): Remove.
10448 (update_life_info): Don't add it to prop_flags.
10449 (mark_set_1): Lose the code that was enabled by it.
10451 2001-01-11 Michael Hayes <mhayes@redhat.com>
10453 * flow.c (flow_call_edges_add): New.
10454 * basic_block.h (flow_call_edges_add): New.
10456 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10458 * reload1.c (move2add_note_store): Update reg_set_luid even if
10459 base reg remains the same.
10461 2001-01-10 Nick Clifton <nickc@redhat.com>
10463 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10464 machine_function structure to zero.
10465 Add prototypes for machine_status functions.
10467 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10469 * c-common.h (CTI_VOID_LIST): Remove.
10470 (void_list_node): Likewise.
10471 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10472 (void_list_node): New macro.
10473 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10474 * config/i386/i386.c (ix86_init_builtins): Likewise.
10475 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10477 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10479 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10480 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10482 * tradcpp.c: Include mkdeps.h.
10483 (deps, print_deps_phony_targets, deps_append, output_deps,
10484 init_dependency_output, output_deps): New.
10485 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10486 deps_output): Delete.
10487 (print_deps_missing_files): Rename deps_missing_files.
10488 (inhibit_output): Make global.
10489 (main): Delete inhibit_output, deps_stream, deps_target.
10490 Use mkdeps functionality in the same way as cpplib. Remove
10491 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10492 -M and -MM. Remove old handling of deps via deps_out, and
10493 old reading of environment variables.
10494 (get_filename): Update to use deps_add_dep.
10496 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10498 * output.h (make_function_rtl): Remove prototype.
10499 (make_decl_rtl): Likewise.
10500 * varasm.c (make_function_rtl): Remove.
10501 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10502 than from a third parameter.
10503 * tree.h (make_decl_rtl): Remove last parameter.
10504 * c-decl.c (builtin_function): Remove last argument in call to
10505 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10506 (start_function): Likewise.
10507 * except.c (call_get_eh_context): Likewise.
10508 * expr.c (emit_block_move): Likewise.
10509 (clear_storage): Likewise.
10510 * profile.c (output_func_start_profiler): Likewise.
10511 * toplev.c (rest_of_decl_compilation): Likewise.
10512 * objc/objc-act.c (create_builtin_decl): Likewise.
10513 (synth_module_prologue): Likewise.
10514 (generate_static_reference): Likewise.
10515 (build_selector_reference_decl): Likewise.
10516 (build_class_reference_decl): Likewise.
10517 (build_objc_string_decl): Likewise.
10518 (build_protocol_reference): Likewise.
10520 2001-01-10 Richard Henderson <rth@redhat.com>
10522 * hwint.h: Revert yesterday's change.
10524 2001-01-10 Nick Clifton <nickc@redhat.com>
10526 * function.h (save_machine_status): Delete.
10527 (restore_machine_status): Delete.
10528 Amend comment describing {init|mark|free}_machine_status.
10530 * function.c (save_machine_status): Delete.
10531 (restore_machine_status): Delete.
10532 Amend comment describing {init|mark|free}_machine_status.
10533 (push_function_context_to): Remove invocation of
10534 save_machine_status.
10535 (pop_function_context_from): Remove invocation of
10536 restore_machine_status.
10538 * emit-rtl.c (init_emit_once): Amend comment describing
10539 {init|mark|free}_machine_status.
10541 * tm.texi (Per-Function Data): New node. Describe the
10542 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10545 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10547 * cppinit.c (OPT_g): Remove.
10548 (cpp_handle_option): Update for removed -g3.
10549 (print_help): Update.
10550 * cpplib.h (struct cpp_options): Remove debug_output.
10551 * cppmain.c (setup_callbacks, cb_define): Update.
10552 * gcc.c (cpp_options): Translate -g3 to -dD.
10554 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10556 * config/i960/i960.md: Change modifier to + on the zero_extract
10557 pattern after the (rotate -2 reg) canonicalization pattern.
10559 2001-01-10 Richard Henderson <rth@redhat.com>
10561 * config/alpha/alpha.c (alpha_free_machine_status): New.
10562 (override_options): Install it.
10563 (alpha_mark_machine_status): Verify machine non-null.
10564 * config/i386/i386.c (ix86_free_machine_status): New.
10565 (override_options): Install it.
10566 (ix86_init_machine_status): Use xcalloc.
10567 (ix86_mark_machine_status): Verify machine non-null.
10568 * config/ia64/ia64.c (ia64_free_machine_status): New.
10569 (ia64_override_options): Install it.
10570 (ia64_mark_machine_status): Verify machine non-null.
10572 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10574 * function.c (instantiate_virtual_regs): Instantiate virtual
10575 registers found in CALL_INSN_FUNCTION_USAGE.
10577 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10579 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10580 equivalent to -ansi in disabling -Di386.
10582 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10584 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10586 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10588 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10590 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10592 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10594 * invoke.texi: Document that -fcond-mismatch isn't supported for
10597 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10599 * gcc.texi: Define macro gcctabopt.
10600 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10601 @command, @env and @option in some places where appropriate. Use
10602 @gcctabopt where appropriate. Put URLs and email addresses inside
10605 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10607 * gcc.c (cpp_options): Set MD file name from output
10608 filename, if specified.
10609 (suffix_subst): New static variable.
10610 (do_spec): Clear it.
10611 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10613 (give_switch): Handle suffix_subst.
10615 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10617 * invoke.texi: Fix another typo.
10619 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10621 * invoke.texi: Fix typo.
10623 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10625 * c-lang.c (lang_hooks): Update.
10626 (lang_decode_option): Remove.
10627 (lang_init_options): Rename c_init_options.
10628 * toplev.c (main): Use lang_hooks for lang_init_options
10629 and lang_decode_option.
10630 * toplev.h (lang_hooks): Add 2 new hooks.
10631 * tree.h: Remove lang_init_options and lang_decode_option.
10632 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10633 * cp/decl2.c: Similarly.
10634 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10635 (lang_hooks): Update.
10636 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10638 (lang_init_options): Rename ffe_init_options.
10639 (lang_hooks): Update.
10640 (lang_decode_option): Remove.
10641 * java/lang.c (lang_init_options): Rename java_init_options.
10642 (lang_decode_option): Rename java_decode_option.
10643 (lang_hooks): Update.
10644 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10645 (lang_decode_option): Rename objc_decode_option.
10646 (lang_hooks): Update.
10648 2001-01-09 Nick Clifton <nickc@redhat.com>
10650 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10651 (d30v_return_addr_rtx): Delete.
10652 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10653 cfun->machine structure.
10654 (struct machine_function): Move to d30v.h
10655 (d30v_save_machine_status): Delete.
10656 (d30v_restore_machine_status): Delete.
10657 (d30v_init_machine_status): New Function.
10658 (d30v_mark_machine_status): New Function.
10659 (d30v_free_machine_status): New Function.
10660 (d30v_init_expanders): Use new functions.
10661 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10662 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10663 d30v_return_addr_rtx.
10665 * config/d30v/d30v.h (struct_machine): Move here.
10666 Add eh_epilogue_sp_ofs field.
10668 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10669 field in cfun->machine structure.
10671 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10673 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10674 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10675 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10677 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10679 * objc/lang-options.h: Remove bogus reference to
10682 2001-01-09 Kazu Hirata <kazu@hxi.com>
10684 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10687 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10689 * reload.c (find_reloads_address): Check for eliminable registers
10690 when substituting a constant expression for a pseudo.
10692 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10694 * c-common.c (enum format_type): Add format_type_error.
10695 (decode_format_type): New function.
10696 (decl_attributes): Use it.
10697 (format_kind_info): Adjust comment.
10699 2001-01-09 David O'Brien <obrien@BSDi.com>
10701 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10702 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10704 * config/i386/gnu.h: Don't include required platform specific .h files,
10705 tm.h will do it instead.
10706 * config/i386/i386elf.h: Likewise.
10707 * config/i386/linux.h: Likewise.
10708 * config/i386/moss.h: Likewise.
10709 * config/mips/gnu.h: Likewise.
10711 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10713 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10714 (rs6000-ibm-aix3.[01]*): Likewise.
10715 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10716 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10717 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10718 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10719 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10720 (powerpc-*-eabiaix*): Likewise.
10721 (powerpc-*-eabisim*): Likewise.
10722 (powerpc-*-elf*): Likewise.
10723 (powerpc-*-eabi*): Likewise.
10724 (powerpc-*-rtems*): Likewise.
10725 (powerpc-*-linux*libc1): Likewise.
10726 (powerpc-*-linux*): Likewise.
10727 (powerpc-wrs-vxworks*): Likewise.
10728 (powerpcle-wrs-vxworks*): Likewise.
10729 (powerpcle-*-sysv*): Likewise.
10730 (powerpcle-*-elf*): Likewise.
10731 (powerpcle-*-eabisim*): Likewise.
10732 (powerpcle-*-eabi*): Likewise.
10733 (powerpcle-*-solaris2*): Likewise.
10734 * config/rs6000/aix31.h: Delete includes.
10735 * config/rs6000/aix3newas.h: Likewise.
10736 * config/rs6000/aix41.h: Likewise.
10737 * config/rs6000/aix43.h: Likewise.
10738 * config/rs6000/beos.h: Likewise.
10739 * config/rs6000/rtems.h: Likewise.
10740 * config/rs6000/sysv4.h: Likewise.
10742 2001-01-09 Kazu Hirata <kazu@hxi.com>
10744 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10745 Change an argument mode of machine_mode to shift_mode of
10746 shift_mode. Remove an extra error check.
10747 (emit_a_shift): Adopt to the new calling prototype of
10749 (function_prologue): Fix code for a monitor
10750 function. Support H8/S.
10751 (function_epilogue): Do not output pop for a monitor function.
10753 2001-01-09 Nick Clifton <nickc@redhat.com>
10755 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10756 (setup_incoming_varargs): Use sysv_varargs_p field of the
10757 cfun->machine structure.
10758 (struct machine_function): Move to rs6000.h
10759 (rs6000_save_machine_status): Delete.
10760 (rs6000_restore_machine_status): Delete.
10761 (rs6000_init_machine_status): New Function.
10762 (rs6000_free_machine_status): New Function.
10763 (rs6000_init_expanders): Use new functions.
10765 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10767 (struct machine_function): Move here.
10769 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10770 sysv_varargs_p field of the cfun->machine structure.
10772 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10774 (rs6000_restore_machine_status): Remove prototype.
10776 2001-01-09 Richard Henderson <rth@redhat.com>
10778 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10779 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10780 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10781 (sched_analyze_2, sched_analyze_insn): Likewise.
10782 (sched_analyze, init_deps): Likewise.
10783 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10784 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10785 (compute_block_backward_dependences): Update propagate_deps call.
10787 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10789 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10791 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10793 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10794 (cpp_handle_option): Handle them.
10795 (cpp_post_options): Ensure one of -M or -MM is specified with
10796 any other -M? option.
10797 (init_dependency_output): Suppress output with -MG.
10799 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10801 * cpp.texi: Update.
10802 * invoke.texi: Update.
10804 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10806 * sh.md (reload_outsf): Generate recognizable patterns for
10809 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10811 * c-lang.c (lang_hooks): Update.
10812 (lang_init): Rename c_init.
10813 (lang_finish): Remove.
10814 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10815 and lang_finish ().
10816 * toplev.h (lang_hooks): Add init () and finish ().
10817 * tree.h (lang_init, lang_finish): Remove.
10818 * cp/tree.h (lang_init, lang_finish): Remove.
10819 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10820 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10822 (lang_init, lang_finish): Remove.
10823 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10824 (lang_hooks): Update.
10825 * java/lang.c (lang_init): Rename java_init.
10826 (lang_finish): Remove.
10827 (lang_hooks): Update.
10828 * objc/objc-act.c (lang_init): Rename objc_init.
10829 (lang_finish): Remove.
10830 (lang_hoooks): Update.
10832 20001-01-09 Graham Stott <grahams@redhat.com>
10834 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10835 after `ptr` is initialised.
10837 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10839 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10840 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10841 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10842 stack adjusts, instead of r3.
10844 2001-01-09 Michael Hayes <mhayes@redhat.com>
10846 * flow.c (flow_loop_scan): Break out of ...
10847 (flow_loops_find) ... here.
10848 * basic-block.h (flow_loop_scan): New.
10849 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10850 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10852 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10854 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10856 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10857 realloc()ing macro_buffer.
10859 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10860 if it's wider than long and the target's long is wider than the
10863 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10865 Remove support for using UWIN as a host machine.
10866 * configure.in: Issue an error message.
10867 * configure: Regenerated.
10868 * config.gcc: Remove xm_* UWIN configury.
10869 * config/i386/xm-uwin.h: Remove.
10871 2001-01-08 Nick Clifton <nickc@redhat.com>
10873 * config/v850/v850.c (ra_rtx): Delete.
10874 (v850_save_machine_status): Delete.
10875 (v850_restore_machine_status): Delete.
10876 (v850_init_machine_status): New function.
10877 (v850_mark_machine_status): New function.
10878 (v850_free_machine_status): New function.
10879 (v850_return_addr): Use ra_rtx field in machine structure.
10880 (v850_init_expanders): Use new functions.
10882 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10883 * config/v850/v850.c: Change arguments to v850_output+* functions
10884 to take a const char *, to avoid compile time warning.
10885 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10886 (USER_LABEL_PREFIX): Redefine.
10888 2000-01-08 Jim Wilson <wilson@redhat.com>
10890 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10891 1 to unsigned HOST_WIDE_INT before left shift.
10893 2001-01-08 Nick Clifton <nickc@redhat.com>
10895 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10896 the machine structure has been allocated.
10897 (arm_free_machine_status): New function: Free the machine
10898 specific function structure.
10900 2001-01-08 Richard Henderson <rth@redhat.com>
10902 * jump.c (simplejump_p): Revert last change.
10904 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10906 * cppinit.c (init): Rename init_library.
10907 (cpp_create_reader): Update.
10908 * gcc.c (cpp_options): If -o given, use it as the target of
10911 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10913 * arm.c (arm_arch5e): New variable.
10914 (all_cores): XScale is a 5TE device.
10915 (arm_override_options): Set arm_arch5e.
10916 (arm_init_builtins): __builtin_prefetch is in arch5e.
10917 * arm.h (arm_arch5e): Declare it.
10919 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10921 * arm.md (define_constants): Add defines for UNSPEC and
10922 UNSPEC_VOLATILE insns. Update all users.
10923 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10924 * arm.c (multi_register_push, note_invalid_constants)
10925 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10926 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10927 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10929 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10931 * jump.c (jump_optimize_1): Use reversed_comparison_code
10932 instead of can_reverse_comparison_p.
10933 (jump_back_p): Likewise.
10934 (invert_exp_1): Likewise.
10935 (thread_jumps): Likewise.
10936 * simplify-rtx.c (simplify_unary_operation): Likewise.
10937 (simplify_ternary_operation): Likewise.
10938 * cse.c (find_comparison_args): Convert to use
10939 can_reverse_comparison_p.
10940 (record_jump_equiv): Likewise.
10942 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10944 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10945 (EPILOGUE_USES): Define.
10946 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10947 automatically stack the LR if it isn't live.
10949 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10951 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10954 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10956 * ggc-page.c (max_alignment): New structure.
10957 (MAX_ALIGNMENT): New macro.
10958 (init_ggc): Use it to round up the sizes in the
10959 extra_order_size_table.
10961 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10963 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10966 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10968 * builtins.def (BUILT_IN_FPRINTF): New entry.
10970 * c-common.c (c_expand_builtin_fprintf): New function.
10971 (init_function_format_info): Handle __builtin_fprintf.
10972 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10973 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10975 * c-decl.c (duplicate_decls): Adjust comment.
10977 * extend.texi (fprintf): Document new builtin.
10979 2001-01-07 Richard Henderson <rth@redhat.com>
10981 * jump.c (simplejump_p): Recognize any single_set jump
10982 of the proper form.
10984 2001-01-07 Richard Henderson <rth@redhat.com>
10986 * configure.in (slibdir): Accept an --with-slibdir option.
10987 Use "test" not "[" in configure. Default to $(libdir).
10989 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10991 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10992 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10993 (SHLIB_LINK): Create links for the soname.
10994 * config/mips/t-iris6: Likewise.
10995 * config/sparc/t-slibgcc: Likewise.
10996 * config/sparc/t-slibgcc-sld: Likewise.
10998 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11000 * config/i386/i386.c (constant_call_address_operand): Accept
11001 (const (plus (symbol_ref) (const_int))).
11002 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11003 constant_call_address_operand.
11005 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11007 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11008 and LONG_LONG_TYPE_SIZE > 32.
11010 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11012 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11013 the previous change.
11015 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11017 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11019 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11020 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11021 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11024 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11026 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11028 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11030 * c-lang.c (c_post_options): Call cpp_post_options.
11031 * objc/objc-act.c (objc_post_options): Similarly.
11032 * cppmain.c (main): Similarly.
11033 * fix-header.c (read_scan_file): Similarly.
11034 * cppinit.c (cpp_start_read): Move option consistency checks
11035 to cpp_post_options. Don't call init_dependency_output.
11036 If needed, add default target and main file dependency.
11037 (OPT_MD, OPT_MMD): Remove.
11039 (cpp_handle_option): Update for OPT_* changes.
11040 (cpp_post_options): New.
11041 (init_dependency_output): Command line -MF overrides environment
11042 variables. Don't set default target etc. Suppress output
11043 if dependencies are going to stdout.
11044 (print_help): Update.
11045 * cpplib.h (cpp_post_options): New.
11046 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11048 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11050 * jump.c (comparison_dominates_p): Support unordered compares.
11052 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11054 * simplify-rtx.c (simplify_relational_operation): Always simplify
11055 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11058 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11060 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11061 (nonzero_bits): Likewise.
11062 (simplify_comparison): Likewise.
11063 (num_sign_bit_copies): Likewise; return more sane value depending
11064 on STORE_FLAG_VALUE.
11065 (known_cond): Do not assume EQ to be always true for equivalent
11068 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11070 * cse.c (fold_rtx): Handle unordered comparisons.
11072 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11074 * rtlanal.c (set_of_1): New static function.
11075 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11076 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11077 reg_set_last_last_regno): Remove.
11078 (set_of): New global function.
11079 (set_of_data): New structure.
11080 (reg_set_p, reg_set_last): Revamp for set_of.
11081 * rtl.h (set_of): New.
11083 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11085 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11086 * extend.texi: Document _Exit builtin.
11088 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11090 * (initialize, initialize_builtins,
11091 initialize_dependency_output, initialize_standard_includes):
11092 Rename s/initialize/init. Update.
11093 (init_dependency_output): Move to after
11094 cpp_handle_options, the correct location temporally at least.
11095 (opt_comp): Move next to init (), its caller. Fix prototype.
11096 (init): Make "initialized" local scope.
11097 (cpp_create_reader): Always call init ().
11098 (cpp_start_read): Update.
11099 (output_deps): New function, broken out of cpp_finish.
11100 (cpp_finish): Break out output_deps.
11102 2001-01-07 Richard Henderson <rth@redhat.com>
11104 * collect2.c (COFF specific stuff): Revert 12-06 patch
11105 to prototype system functions.
11107 2001-01-07 Michael Hayes <mhayes@redhat.com>
11109 * hard-reg-set.h: Add multiple include guard.
11110 * basic-block.h (struct loop): Add `sink' field.
11111 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11112 (emit_iv_add_mult): Delete.
11113 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11114 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11115 (unroll_loop): Remove end_insert_before argument.
11116 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11117 (maybe_eliminate_biv_1): Likewise.
11118 (emit_iv_add_mult): Delete.
11119 (gen_add_mult, loop_regs_update): New.
11120 (loop_insn_emit_after, loop_insn_emit_before): New.
11121 (loop_insn_sink, loop_insn_sink_or_swim): New.
11122 (emit_iv_add_mult): Delete.
11123 (scan_loop): Set loop->sink.
11124 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11125 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11126 (maybe_eliminate_biv_1): Likewise.
11127 (maybe_eliminate_biv_1): Add basic block argument.
11128 * unroll.c (unroll_loop): Remove end_insert_before argument.
11129 (find_splittable_regs): Likewise.
11130 (find_splittable_regs): Use loop_insn_sink and its ilk.
11131 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11133 2001-01-07 Michael Hayes <mhayes@redhat.com>
11135 * loop.h (loop_insn_hoist): New prototype.
11136 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11137 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11138 (check_dbra_loop, load_mems): Likewise.
11139 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11140 (find_splittable_givs): Likewise.
11142 2001-01-07 Michael Hayes <mhayes@redhat.com>
11144 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11146 2001-01-07 Richard Henderson <rth@redhat.com>
11148 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11150 2001-01-07 Richard Henderson <rth@redhat.com>
11152 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11153 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11154 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11155 variant that handles a shared libgcc.
11156 (process_command): Always validate -{static,shared}-libgcc.
11157 (do_spec_1): New 'M' case.
11158 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11160 2001-01-07 Richard Henderson <rth@redhat.com>
11162 * Makefile.in (slibdir): New variable.
11163 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11164 (installdirs): Create slibdir.
11165 (install-libgcc, install-multilib): Defer to libgcc.mk.
11166 * configure.in (slibdir): Substitute.
11167 * mklibgcc.in (install): New target.
11169 * config/t-linux (SHLIB_LINK): Create links for the soname.
11170 (SHLIB_INSTALL): New.
11171 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11172 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11173 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11174 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11175 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11177 2001-01-07 Richard Henderson <rth@redhat.com>
11179 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11180 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11181 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11183 2001-01-07 Michael Hayes <mhayes@redhat.com>
11185 * loop.c (count_loop_regs_set): Delete.
11186 (load_mems_and_recount_loop_regs_set): Delete.
11187 (loop_regs_scan): Merge common code from count_loop_regs_set,
11188 scan_loop, and load_mems_and_recount_loop_regs_set.
11189 (scan_loop): Call load_mems directly and loop_regs_scan
11190 again if new registers created.
11192 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11194 * toplev.c (main): Call the front-end specific post_options
11195 hook if one is given.
11196 * toplev.h (struct_lang_hooks, lang_hooks): New.
11197 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11198 for the C front end.
11199 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11200 lang_hooks for the C++ front end.
11201 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11202 lang_hooks for the ObjC front end.
11203 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11204 * java/lang.c (lang_hooks): Hooks for the Java front end.
11206 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11208 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11209 for verbose DWARF[2] debugging.
11210 (cb_define, cb_undef): The new callbacks.
11211 * toplev.h (debug_define, debug_undef): Make const correct.
11212 * toplev.c (debug_define, debug_undef): Similarly. Do not
11213 perform the verbosity tests here anymore.
11215 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11217 * reload.c (subst_reloads): Take INSN argument. When
11218 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11219 * reload.h (subst_reloads): Adjust prototype.
11220 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11221 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11222 present in JUMP_INSNs and copy them to JUMP_LABEL.
11223 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11224 JUMP_INSNs and insns with REG_LABELs that are followed by
11225 JUMP_INSNs with the same REG_LABEL.
11226 * sched-rgn.c (is_cfg_nonregular): Likewise.
11227 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11229 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11231 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11233 2001-01-06 Richard Henderson <rth@redhat.com>
11235 * loop.c (scan_loop): Use xcalloc for the regs array.
11236 (load_mems_and_recount_loop_regs_set): Zero the new memory
11237 received from xrealloc.
11239 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11241 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11243 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11245 * integrate.c (copy_rtx_and_substitute): When copying
11246 an ignored return value, strip REG_FUNCTION_VALUE_P.
11248 2001-01-06 Michael Hayes <mhayes@redhat.com>
11250 * loop.c (debug_biv, debug_giv): New.
11251 (loop_biv_dump): Break out from ...
11252 (record_biv): ... here.
11253 (loop_giv_dump): Break out from ...
11254 (record_giv): ... here.
11255 (loop_bivs_check): Use print_simple_rtl.
11256 * unroll.c (loop_iterations): Use print_simple_rtl.
11258 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11260 * pa.md (return, return_internal): Modify patterns to prevent regrename
11261 mucking with the return pointer.
11263 2001-01-05 Richard Henderson <rth@redhat.com>
11265 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11267 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11269 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11270 version supplied by Matteo Frigo.
11272 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11274 * cpp.texi: Update for -MQ.
11275 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11276 (cpp_cleanup): Always free pfile->deps.
11277 (initialize_dependency_output): Don't create pfile->deps.
11278 (cpp_handle_option): Similarly.
11280 * gcc.c (cpp_options): Handle -MQ.
11281 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11282 * mkdeps.c (base_name): Remove.
11283 (deps_init): Don't allocate vector space until it's needed.
11284 (deps_free): Only free vectors if allocated.
11285 (deps_add_target, deps_add_dep): Update for initial allocation.
11286 (deps_add_default_target): Don't strip to the base_name.
11288 2001-01-05 DJ Delorie <dj@redhat.com>
11290 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11291 (INIT_EXPANDERS): Define.
11293 * config/v850/v850.c (struct machine_function): Define.
11294 (v850_save_machine_status): New function.
11295 (v850_restore_machine_status): New function.
11296 (v850_return_addr): New function.
11297 (v850_init_expanders): New function.
11299 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11300 and v850_init_expanders.
11302 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11304 * cpplib.h (struct cpp_reader): Add help_only field.
11305 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11306 (cpp_handle_option): Set pfile->help_only if we see -h,
11307 --help, -target-help, or --version. Print version string but
11308 do not set help_only if we see -v or -version. Make text
11309 printed by -v match that printed by (-)-version.
11311 * cppmain.c (main): Exit after option parsing if
11312 pfile->help_only is true.
11314 * toplev.c (independent_decode_option): Call print_version,
11315 then exit, if we see --version (but not -version).
11316 (print_version): Split lengthy message into two lines.
11318 2001-01-05 Nick Clifton <nickc@redhat.com>
11320 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11321 temporary string for initialisation before calling ggc_alloc_string.
11323 2001-01-06 Michael Hayes <mhayes@redhat.com>
11325 * rtl.h (print_simple_rtl): New.
11326 * print-rtl.c (print_simple_rtl): New.
11327 (flag_simple): New.
11328 (print_rtx): Disable printing of flags and modes, etc.,
11329 if `flag_simple` nonzero.
11331 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11333 * function.c (fixup_var_refs): Use push_to_full_sequence where
11336 2001-01-05 Michael Meissner <meissner@redhat.com>
11338 * flags.h (flag_reorder_blocks): Add declaration.
11339 (flag_rename_block): Ditto.
11341 2001-01-05 DJ Delorie <dj@redhat.com>
11343 * function.c (reorder_blocks): Make sure the flags are all reset
11344 before using them to mark blocks, else a second invocation will
11345 corrupt the block chain.
11346 (reorder_blocks_0): New, resets the flags.
11348 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11350 * cse.c (find_comparison_args): Stop if the argument is known to
11353 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11355 * config/sh/sh.md (movdf): When splitting load into pair of
11356 registers, don't clobber the register used in the address too
11359 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11361 * varasm.c (mark_constant_pool): Improve initial comments.
11362 (mark_constants): Move marking of constants to mark_constant.
11363 (mark_constant): New function to recursively mark all constants
11364 referred to by a constant.
11366 2001-01-05 Catherine Moore <clm@redhat.com>
11368 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11370 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11372 * cp/lang-options.h: Bring comment in line with reality.
11373 * f/lang-options.h: Likewise.
11374 * java/lang-options.h: Likewise.
11375 * objc/lang-options.h: Likewise.
11376 * ch/lang-options.h: Likewise.
11377 * f/g77.texi: And update the manual.
11379 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11380 Denis Chertykov <denisc@overta.ru>
11382 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11383 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11384 * config/avr/avr.md (all peepholes that request a scratch register):
11385 Call it, FAIL the peephole if not safe (in interrupt functions).
11387 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11389 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11391 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11393 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11395 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11396 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11397 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11398 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11399 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11401 * extend.texi: Document these builtins.
11403 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11405 * c-common.c (lang_get_alias_set): Say we know nothing of
11406 VECTOR_TYPE aliasing.
11408 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11410 2001-01-05 Bruce Korb <bkorb@gnu.org>
11412 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11413 their x* equivalent versions for atexit-less systems
11414 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11415 systems (or any other system any more).
11417 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11419 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11420 output operands. Use arm_hard_register_operand for operand 4.
11421 (stmsi_postinc): Similarly.
11422 (ldmsi): Use arm_hard_register_operand for opernand 2.
11423 (stmsi): Similarly.
11424 * arm.c (arm_hard_register_operand): New function.
11425 * arm-protos.h (arm_hard_register_operand): Prototype it.
11427 * arm.h (HARD_REGNO_RENAME_OK): Define.
11429 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11431 * simplify-rtx.c (cfc_args): add "unordered" field.
11432 (check_fold_consts): Set unordered field.
11433 (simplify_relational_operation): Simplify the unordered
11436 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11439 * emit-rtl.c (try_split): Fix code to mark labels.
11440 * jump.c (mark_jump_label): Make global.
11441 * rtl.h (mark_jump_label): Declare.
11443 * predict.c (estimate_probability): Handle unordred comparisons.
11445 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11447 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11448 * cppinit.c (initialize_dependency_output): Update.
11449 (cpp_finish): Output dummy targets for -MP.
11451 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11452 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11453 * gcc.c (cpp_options): Update to handle -MP.
11454 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11455 to quote only the default target.
11456 (deps_phony_targets): Insert a preceding newline. Rename from
11457 deps_dummy_targets for consistency.
11460 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11462 * calls.c (emit_library_call_value_1): Support
11463 INIT_CUMULATIVE_LIBCALL_ARGS.
11464 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11466 2001-01-04 Richard Henderson <rth@redhat.com>
11468 * c-decl.c (finish_struct): Detect flexible array members
11469 used in an inappropriate context.
11470 * c-typeck.c (really_start_incremental_init): Special case
11471 constructor_max_index for zero length arrays.
11472 (pop_init_level): Allow initialization of flexible array
11473 members. Deprecate initialization of zero length arrays.
11474 Don't issue missing initializer warning for flexible array
11475 members or zero length arrays.
11476 (process_init_element): Don't dereference null DECL_SIZE.
11477 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11478 Don't abort for empty constructors. Use size_binop
11479 (output_constructor): Add commentary regarding zero length
11480 array futures. Abort if we try to initialize an array of
11481 unspecified length with a non-empty constructor in the middle
11484 * extend.texi (Zero Length): Update and clarify documentation
11485 on static initialization.
11487 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11489 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11490 with more than 32767 words of local storage.
11492 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11494 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11495 for 'abs', 'labs', and 'fabs'.
11496 (c4x_expand_builtin): Likewise.
11497 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11499 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11501 * config/sh/sh.md (prget, prset): New insn types.
11502 (return delay slot): Dont' allow prset.
11503 (call, sfunc delay slot): Don't allow prget.
11504 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11505 for prset and prget.
11507 2001-01-05 Michael Hayes <mhayes@redhat.com>
11509 * loop.h (struct loop_reg): New.
11510 (struct loop_regs): Change to use array of `struct loop_reg'.
11511 * loop.c: Replace assortment of varrays with single regs array.
11512 (count_one_set): Delete may_not_move array argument
11513 and use regs array instead. All caller's changed.
11514 (count_loop_regs_set): Delete may_not_move and single_usage
11515 arguments and use regs array instead. All caller's changed.
11516 (find_single_use_in_loop): Replace usage array argument with pointer
11517 to regs structure. All caller's changed.
11518 (loop_optimize): Delete `moved_once' array.
11520 2001-01-05 Michael Hayes <mhayes@redhat.com>
11522 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11523 Use it instead of loop_info->has_call for scanning loop mems.
11524 (check_dbra_loop): Replace loop_info->has_call test with
11525 loop_info->has_nonconst_call.
11527 2000-01-04 Matthew Hiller <hiller@redhat.com>
11529 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11532 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11534 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11535 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11537 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11539 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11540 (flag_short_double, flag_short_wchar): Define.
11541 (c_common_nodes_and_builtins): Create many tree nodes shared
11542 between C and C++ here instead of in cp/decl.c and ...
11543 * c-decl.c (init_decl_processing): ... here.
11544 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11545 (flag_short_double, flag_short_wchar): Don't define.
11546 (record_builtin_type): New function.
11547 (build_void_list_node): New function.
11548 * c-common.h (flag_short_double, flag_short_wchar,
11549 record_builtin_type, build_void_list_node): Declare.
11551 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11553 * integrate.c (expand_inline_function): Don't put a virtual
11554 register into the reg map.
11556 * function.c (fixup_var_refs_1): If force_operand didn't put
11557 the address into the target, move it there.
11559 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11561 Special-case tree_decl/tree_list allocations.
11562 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11563 (OBJECT_SIZE): New macro.
11564 (NUM_EXTRA_ORDER): Likewise.
11565 (extra_order_size_table): New variable.
11566 (NUM_ORDERS): New macro.
11567 (objects_per_page_table): New variable.
11568 (object_size_table): New variable.
11569 (G.pages): Use NUM_ORDERS to bound the array.
11570 (G.page_tails): Likewise.
11571 (DIV_ROUND_UP): Remove.
11572 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11573 (alloc_page): Use OBJECT_SIZE.
11574 (size_lookup): Don't make it const.
11575 (ggc_alloc): Use OBJECT_SIZE.
11576 (ggc_set_mark): Likewise.
11577 (ggc_get_size): Likewise.
11578 (init_ggc): Set up the object_size_table, objects_per_page_table,
11579 and adjust size_lookup.
11580 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11581 (ggc_pop_context): Use NUM_ORDERS.
11582 (clear_marks): Likewise.
11583 (sweep_pages): Likewise.
11584 (poison_pages): Likewise.
11585 (ggc_print_statistics): Use OBJECT_SIZE.
11587 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11589 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11590 Only call array_size_for_constructor if last field and array type
11591 with no upper bound.
11593 2001-01-04 Philip Blundell <philb@gnu.org>
11595 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11596 from bit 31 downwards, if this requires no more insns.
11597 (count_insns_for_constant): New helper function for above.
11599 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11601 * gencodes.c (output_predicate_decls): Remove empty initializer.
11603 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11605 * tree.c (copy_node): Remove documentation about obstacks.
11606 (buidl1): Check that nobody tries to build 2-argument nodes this
11609 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11611 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11614 * gencodes.c (output_predicate_decls): Fill empty initializer
11617 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11619 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11620 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11622 (do_include): Handle missing headers like cpp0.
11623 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11624 paths with first include pathname. Don't strcat to uninitialized
11627 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11629 * regrename.c (regrename_optimize): Don't rename from frame pointer
11630 if frame_pointer_needed.
11631 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11632 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11633 (ia64_reorg): Use it instead of scheduling if ! optimize.
11634 (errata_emit_nops): Properly call asm_noperands.
11635 (ia64_sched_reorder): Finish cycle if we see an asm.
11636 (ia64_variable_issue): Clear scheduling state after asms.
11638 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11640 * cpp.texi: Update for -MT.
11641 * cppinit.c (initialize_dependency_output): Add a default
11642 target if none has been given already.
11643 (no_tgt, OPT_MT): New.
11644 (cpp_handle_option): Handle -MT. Update -M etc.
11645 * cpplib.h (struct cpp_options): Remove deps_target.
11646 * gcc.c (cpp_options): Handle -MT.
11647 * mkdeps.c (struct deps): Move from mkdeps.h.
11648 (deps_calc_target): Rename deps_add_default_target. Add a
11649 default target if none has been specified already.
11650 * mkdeps.h (struct deps): Move to mkdeps.c.
11651 (deps_calc_target): Rename deps_add_default_target.
11653 2000-01-03 Richard Henderson <rth@redhat.com>
11655 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11657 * c-typeck.c (push_init_level): Move checks for flexible array
11658 members and zero length arrays ...
11659 (pop_init_level): ... here. Silently discard empty initializations.
11661 * varasm.c (output_constructor): Update for sizeof change to
11662 zero-length arrays.
11664 * extend.texi (Zero Length): Clarify semantics.
11666 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11668 * configure.in (tm.h): Include isns-codes.h last.
11669 * configure: Rebuilt.
11671 2001-01-03 Richard Henderson <rth@redhat.com>
11673 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11674 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11676 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11678 * tradcpp.c (main): Make sure finclude() is called with a valid
11679 indepth value while handling -include.
11681 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11683 * gencodes.c (output_predicate_decls): New function.
11685 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11686 even if it is not the first time machmode.h is #included.
11687 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11688 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11689 * gcc.texi (Copyright): Added 2001.
11691 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11693 * c-common.c (c_common_lang_init): New function. Warn if format
11694 warning options which only have effects when used with -Wformat
11695 are used without -Wformat.
11696 * c-common.h (c_common_lang_init): Declare.
11697 * c-lang.c (lang_init): Call c_common_lang_init.
11698 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11700 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11702 * configure.in: Check for the mktemp command.
11703 * configure: Regenerate.
11704 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11705 $TEMP. Create temporary files with mktemp, if available at
11706 configure time; otherwise use set -C. Remove temporary files
11709 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11711 * configure.in: Require at least texinfo 4.0. Check for whether
11712 Pod::Man is sufficiently recent to regenerate GCC manpages.
11713 * configure: Regenerate.
11714 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11716 (GENERATED_MANPAGES): Define.
11717 (generated-manpages): New target. Depend on cpp.1 as well as
11719 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11720 configure to generated-manpages or empty) rather than on the
11721 manpages directly. Remove execute permission from installed
11722 gcov.1 as well as cpp.1.
11723 * cpp.1, gcov.1: Regenerate.
11725 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11727 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11728 tree_low_cst. Allow using cmpstrsi in more cases.
11730 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11732 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11735 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11737 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11738 * Makefile.in (HOST_CFLAGS): Mention build-make.
11740 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11742 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11745 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11747 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11750 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11753 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11754 reg_base_value and reg_known_value arrays.
11755 (init_alias_analysis): Add more cases to detect known values.
11756 * sched-deps.c (deps_may_trap_p): New function.
11757 (sched_analyze_2): Use it.
11759 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11761 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11762 don't discard an ASHIFTRT if we're shifting in a wider mode.
11764 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11766 * toplev.c (rest_of_compilation): Don't print basic block information
11767 when CFG isn't up to date.
11769 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11771 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11772 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11773 (UNALIGNED_SHORT_ASM_OP): Define.
11774 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11776 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11778 * fold-const.c (fold_convert): Fix typo.
11780 2001-01-02 Richard Henderson <rth@redhat.com>
11782 * c-common.h (ASM_INPUT_P): New.
11783 * c-parse.in (asm): Set it when needed.
11784 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11785 existance of an operand.
11787 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11789 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11790 (dwarf2out_frame_debug_expr): Likewise.
11791 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11793 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11795 * i386.c (ix86_split_to_parts): Return number of part required;
11797 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11799 (ix86_split_long_move): Use number of part returned
11800 by ix86_split_to_parts
11801 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11803 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11804 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11805 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11806 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11807 (ALIGN_MODE_128): Add TFmode.
11808 (IS_STACK_MODE): Likewise.
11809 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11810 (HARD_REGNO_OK): Support TFmodes.
11811 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11812 * i386.md (scheduler definitions): Use memory operand to determine
11813 fst/fld instructions; use mode attribute to determine real mode of
11815 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11816 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11818 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11820 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11822 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11824 * expr.c (store_constructor_field): Update ALIGN before calling
11827 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11829 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11832 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11834 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11837 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11839 * c-decl.c (start_function): Don't warn on third parameter to main.
11841 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11843 * tsystem.h: Define HAVE_DECL_GETOPT.
11845 2001-01-02 Philip Blundell <pb@futuretv.com>
11847 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11850 2001-01-02 Richard Henderson <rth@redhat.com>
11852 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11854 2001-01-02 Andreas Jaeger <aj@suse.de>
11856 * c-decl.c (c_decode_option): Remove support of
11857 -Wmissing-noreturn.
11859 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11860 (W_options): Add -Wmissing-noreturn here.
11862 * flow.c: Define lang_missing_noreturn_ok_p.
11863 (check_function_return_warnings): Use it.
11865 * c-common.h: Declare lang_missing_noreturn_ok_p.
11867 * c-lang.c (c_missing_noreturn_ok_p): New function.
11868 (lang_init): Set lang_missing_noreturn_ok_p.
11870 * invoke.texi (Warning Options): Document this.
11872 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11874 * extend.texi (C++ Extensions): New node for C++ attributes;
11875 describe init_priority and com_interface.
11876 * invoke.texi: Remove -finit-priority as it now has zero effect.
11877 * install.texi: Fix xref syntax.
11878 * md.texi: Likewise.
11880 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11882 * config.gcc (sparc64-wrs-vxworks*): New case.
11883 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11885 * config/sparc/sparc.c (sparc_override_options): Do support different
11886 pointer and architecture size.
11887 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11888 (POINTERS_EXTEND_UNSIGNED): Define.
11889 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11890 (FUNCTION_MODE): Define to be Pmode.
11891 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11893 * function.c (expand_function_end): Properly handle DECL_RESULT
11894 and copy when ptr_mode != Pmode.
11895 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11897 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11899 * c-common.c (c_common_nodes_and_builtins): Set prototype
11900 parameters for __builtin_fputs, __builtin_fputc and
11901 __builtin_fwrite. Don't declare plain fputc as a builtin.
11903 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11905 * loop.c (add_label_notes): Increment the label usage count when
11906 a note is added to an insn which refers to a CODE_LABEL.
11907 * gcse.c (add_label_notes): Likewise.
11909 2001-01-01 Andreas Jaeger <aj@suse.de>
11911 * loop.c (scan_loop): Use xmalloc to allocate movables.
11913 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11915 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11916 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11917 * reload1.c (REGISTER_MOVE_COST): Likewise.
11918 * regclass.c (REGISTER_MOVE_COST): Likewise.
11919 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11920 dimension. Adjust all users.
11921 (init_reg_sets_1): Iterate on all modes.
11922 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11923 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11924 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11925 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11926 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11927 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11928 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11929 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11930 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11931 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11932 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11933 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11934 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11935 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11936 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11937 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11938 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11939 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11940 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11941 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11942 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11943 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11944 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11945 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11946 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11947 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11948 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11950 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11952 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11953 arg VARIES_P. Call it with extra arg.
11954 (true_dependence): Likewise.
11955 * rtl.h (rtx_addr_can_trap_p): Declare.
11956 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11958 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11959 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11960 pic offset table register if it's zero. All callers changed.
11961 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11963 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11965 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11966 STRING_POOL_ADDRESS_P.
11968 * config/sparc/sparc.c (input_operand): Properly test for short op.
11970 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11971 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11972 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11973 * config/sparc/elf.h: No longer include sol2.h.
11974 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11975 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11977 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11979 2001-01-01 Michael Hayes <mhayes@redhat.com>
11981 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11982 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11983 (record_initial): Likewise.
11984 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11985 (remap_split_bivs): Likewise.
11987 2001-01-01 Michael Hayes <mhayes@redhat.com>
11989 * loop.c (loop_ivs_free): New function.
11990 (strength_reduce): Break out from...
11992 2001-01-01 Michael Hayes <mhayes@redhat.com>
11994 * loop.h (struct iv): New.
11995 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11996 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11997 'reg_biv_class' fields with 'regs' and 'n_regs'.
11998 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11999 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12000 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12002 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12004 * resource.c (mark_referenced_resources): Abort() before
12005 attempting to mark a pseudo register.
12006 (mark_set_resources): Likewise.
12008 2001-01-01 Michael Hayes <mhayes@redhat.com>
12010 * loop.h (REG_IV_CLASS): New accessor macro.
12011 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12012 * unroll.c (REG_IV_CLASS): Likewise.
12014 See ChangeLog.4 for earlier changes.