1 2001-06-01 Laurent Guerby <guerby@acm.org>
2 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4 * doc/install.texi: Define srcdir when sources come from CVS.
5 Significantly improve markup. Wrap overly long lines
7 2001-06-01 DJ Delorie <dj@redhat.com>
9 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
10 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
11 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
12 * install.texi: Move to doc/install-old.texi.
13 * gcc.texi: Move to doc, refer to install-old.texi.
14 * Makefile.in: Reflect move of docs to doc/.
15 * f/Make-lang.in: Ditto.
16 * java/Make-lang.in: Ditto.
17 * doc/.cvsignore: New.
19 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
21 * invoke.texi: use two spaces between command options, eliminate
22 some 'overfull hboxes'
24 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
26 * Makefile.in (s-mlib): Make backtick-commands always succeed.
27 (DRIVER_DEFINES): Ditto.
29 2001-05-31 Richard Henderson <rth@redhat.com>
31 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
32 also link against libgcc.a.
34 2001-05-31 Geoff Keating <geoffk@cygnus.com>
36 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
37 * config/mips/mips.c (mips_output_ascii): New function.
38 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
40 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
42 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
44 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
45 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
47 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
49 * install.texi (Configuration): Add html links for --with-gnu-as &
50 --with-gnu-ld and refer to them from hppa & SCO triplets.
51 (Specific): Link back to with-gnu-ld for all ELF platfoms.
52 (Specific): Reword AVR binutils recommendation.
54 2001-05-30 Zack Weinberg <zackw@stanford.edu>
56 * ggc-page.c (size_lookup): Increase minimum allocation size
58 (ggc_print_statistics): Report size of each bin in bytes, not
59 as its order; there is no longer a direct relationship.
61 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
63 * extend.texi: Fix formating of examples, eliminate some
65 * gcc.texi: Eliminate some 'overfull hboxes'.
66 * invoke.texi: Use two spaces between command options, eliminate
67 some 'overfull hboxes'.
69 2001-05-30 Richard Henderson <rth@redhat.com>
71 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
73 2001-05-30 Tom Tromey <tromey@redhat.com>
75 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
76 use it in the new association.
78 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
79 John David Anglin <dave@hiauly1.hia.nrc.ca>
81 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
82 to target type to allow ISO C++ compiler to accept it.
83 * gthr-dce.h (__gthread_active_ptr): Likewise.
84 * gthr-solaris.h (__gthread_active_ptr): Likewise.
86 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
88 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
89 so that we do accept comments in preprocessed input.
91 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
93 * cpphash.c (alloc_node): Cast allocated pointer.
95 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
97 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
99 2001-05-29 Stan Shebs <shebs@apple.com>
101 * gcc.texi: Add links for information about Objective-C.
103 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
105 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
106 /bin/sed fails on [^\"]).
107 (configargs.h): Likewise.
109 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
111 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
113 2001-05-28 Stan Shebs <shebs@apple.com>
115 * objc/objc.gperf: Remove, no longer used.
117 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
119 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
120 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
121 Remove trailing whitespace.
123 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
125 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
126 became http://freeware.sgi.com/.
128 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
130 * local-alloc.c (update_equiv_regs): Don't eliminate constant
133 2001-05-27 Stan Shebs <shebs@apple.com>
135 * objc/objc-act.c: Add/fix various comments.
136 (init_selector): Remove, no longer used.
137 (build_msg_pool_reference): Ditto.
140 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
142 * c-decl.c (init_decl_processing):
143 Don't call start_identifier_warnings.
144 * flags.h (warn_id_clash, id_clash_len): Remove.
145 * stringpool.c: Don't include flags.h.
146 (scan_for_clashes, do_identifier_warnings,
147 start_identifier_warnings): Remove.
148 * toplev.c (warn_id_clash, id_clash_len): Remove.
149 (display_help): Don't document -Wid-clash.
150 (decode_W_option): Print warning on -Wid-clash.
151 * tree.h (start_identifier_warnings): Remove.
152 * invoke.texi: Remove documentation of -Wid-clash.
154 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
158 2001-05-27 Bruce Korb <bkorb@gnu.org>
160 * fixinc/check.tpl(HACK) add and use a Scheme variable
161 (has no test text): error out if no "test_text" is defined
162 * fixinc/fixincl.tpl: likewise
163 (FIXIDX): make it an enumeration so we minimize diffs
164 * fixinc/inclhack.def: re-alphabetize and add sort instructions
165 * fixinc/fixincl.x: regenerate
166 * fixinc/tests/base/stdio.h: test output got moved due to
168 * README-fixinc: rewrite (mostly)
170 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
172 * cpplib.c (run_directive): Set pfile->directive.
174 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
176 * c-tree.texi: Reformat the manual as a single chapter now
177 included by gcc.texi.
178 * gcc.texi: Include c-tree.texi. Merge all indexes.
179 * Makefile.in (dvi): Add generation for the cppinternals
180 documentation. Added dependencies on fdl.texi and c-tree.texi
181 where appropriate. Use TEXI2DVI instead of custom tex calls.
182 (info): Added dependencies on fdl.texi and c-tree.texi where
183 appropriate. Remove the target c-tree.info.
185 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
187 * combine.c (try_combine): Fix typo in comment.
188 * expr.c (expand_expr): Likewise.
189 * config/i370/i370.md (untyped_call): Likewise.
191 2001-05-26 Bruce Korb <bkorb@gnu.org>
193 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
194 when fixincl is operating in test mode
195 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
196 (AAB_ultrix_limits): remove redundant text
197 (AAB_ultrix_memory): ditto
198 (AAB_ultrix_string): ditto
199 (djgpp_wchar_h): fix the test text
200 (irix_stdio_va_list): add test text
201 (irix_limits_const): add a testing output file (limits.h is overwritten)
202 (strict_ansi_not_ctd): put limits.h second in list for same reason
203 (solaris27_mutex_init): test text needed selection text, too
205 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
206 when fixincl is operating in test mode
208 2001-05-26 Philip Blundell <philb@gnu.org>
210 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
211 * config/i960/i960-protos.h: Likewise.
212 * config/i370/i370-protos.h: Likewise.
213 * config/h8300/h8300-protos.h: Likewise,
214 * config/sh/sh-protos.h: Likewise.
215 * config/v850/v850-protos.h: Likewise.
217 2001-05-26 Philip Blundell <philb@gnu.org>
219 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
221 2001-05-25 Zack Weinberg <zackw@stanford.edu>
223 * toplev.c (debug_args, f_options, W_options): Mark
224 descriptions for translation.
225 (display_help): Translate descriptions on output.
227 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
228 objc/lang-options.h: Mark descriptions for translation.
230 * aclocal.m4: Quote final argument of patsubst. Use
231 3-argument form of AC_DEFINE. Restore quotes to [] while
233 * configure.in: Remove unnecessary changequote calls.
234 * configure, config.in: Regenerate.
236 2001-05-25 Sam TH <sam@uchicago.edu>
238 * basic-block.h: Fix header include guards.
239 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
240 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
241 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
242 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
243 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
244 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
245 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
246 varray.h version.h: Likewise.
247 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
248 config/arm/arm.h config/c4x/c4x-protos.h
249 config/h8300/h8300-protos.h config/h8300/h8300.h
250 config/i370/i370-protos.h config/i370/i370.h
251 config/i960/i960-protos.h config/mcore/mcore.h
252 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
253 config/v850/v850-protos.h config/v850/v850.h: Likewise.
254 * fixinc/fixlib.h fixinc/server.h: Likewise.
256 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
258 * config/arc/initfini.c (.init): Fix typo.
260 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
262 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
264 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
266 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
268 2001-05-25 Richard Henderson <rth@redhat.com>
270 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
272 2001-05-25 Richard Henderson <rth@redhat.com>
274 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
275 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
276 (sparc*-*-solaris2): Likewise.
277 * config/t-linux: Remove shared libgcc macros.
278 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
279 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
281 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
283 * config.gcc (*-*-freebsd*): Report bad configuration.
285 2001-05-25 David Edelsohn <edelsohn@gnu.org>
287 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
289 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
291 (ASM_OUTPUT_LABELREF): Delete.
293 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
295 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
296 strict_ansi_only): Don't run if stdc_0_in_system_headers.
297 * fixinc/fixincl.x: Regenerate.
298 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
299 (FIX_TEST_TABLE): Declare it.
300 * fixinc/fixlib.h: Include config.h.
302 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
304 * fixinc/inclhack.def (alpha___assert): Change char * args to
305 const char * on Tru64 UNIX to avoid excessive warnings from
307 * fixinc/fixincl.x: Regenerate.
309 2001-05-25 Geoff Keating <geoffk@redhat.com>
311 * dbxout.c (dbxout_symbol): Invert previous patch, which was
312 outputting a tag only for variable-size records.
314 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
316 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
317 instead of rtx_equal_p for early clobber test.
319 2001-05-26 Mark Mitchell <mark@codesourcery.com>
321 * builtins.def: Encode additional information, such as names and
323 * builtin-types.def: New file.
324 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
325 (built_in_decls): Likewise. Don't explicitly initialize global
327 (expand_builtin_mathfn): Handle float and long double variants of
329 (expand_builtin): Likewise.
330 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
331 (expand_tree_builtin): Handle long, long long, float, and long
332 double variants of math functions.
333 * c-common.h (c_tree_index): Remove some unused nodes.
334 (void_ftype): Remove.
335 (void_type_ptr): Likewise.
336 (int_ftype_int): Likewise.
337 (ptr_ftype_sizetype): Likewise.
338 * c-decl.c (init_decl_processing): Remove creation of DWARF
340 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
341 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
342 * Makefile.in (c-common.o): Depend on builtin-types.def.
344 2001-05-25 Dale Johannesen <dalej@apple.com>
346 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
348 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
350 * c-parse.in (notype_initdcl): Remove redundant line.
352 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
354 * aclocal.m4: Fixed typo.
355 (gcc_AC_HEADER_STDBOOL): Define.
356 (gcc_AC_C__BOOL): Define.
357 * configure.in: Use them.
358 (AC_CHECK_HEADERS): Remove stdbool.h
359 * configure, config.in: Regenerate.
361 2001-05-25 Richard Henderson <rth@redhat.com>
363 * function.c (expand_function_start): Don't abort on PARALLEL
364 returns from hard_function_value.
366 2001-05-25 Richard Henderson <rth@redhat.com>
368 * config/i386/i386.md: Revert previous change. Do not apply
369 the peephole if the components do not die after the sequence.
371 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
373 * c-parse.in (array_declarator): New. Handle C99 constructs.
374 Don't restrict [*] declarators to C only.
375 (after_type_declarator, parm_declarator_starttypename,
376 parm_declarator_nostarttypename, notype_declarator,
377 direct_absdcl1): Use it.
378 * c-decl.c (build_array_declarator, set_array_declarator_type):
379 New functions. Warn that [*] isn't properly implemented; pedwarn
380 for [*] outside C99 mode if pedantic rather than giving a hard
382 (grokdeclarator): Handle static and type qualifiers in parameter
384 * c-tree.h (build_array_declarator, set_array_declarator_type):
386 * extend.texi (Attribute Syntax): Document attributes in parameter
389 2001-05-25 Mark Mitchell <mark@codesourcery.com>
391 * config/i386/i386.md: Make sure cmpstr peepholes do not
392 affect liveness information.
394 2001-05-24 Mark Mitchell <mark@codesourcery.com>
396 * c-typeck.c (digest_init): Issue error messages about
397 invalid constants, not warnings.
399 2001-05-24 Mark Mitchell <mark@codesourcery.com>
401 * invoke.texi (-fno-builtin): Document that this is always on
404 2001-05-24 Philip Blundell <philb@gnu.org>
406 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
409 2001-05-24 Philip Blundell <philb@gnu.org>
411 * config/arm/arm.c (output_return_instruction): Correctly handle
412 interworking and interrupt functions.
414 2001-05-24 Philip Blundell <philb@gnu.org>
416 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
417 -m{no-}sched-prolog. Fix typos and improve formatting.
419 2001-05-24 Philip Blundell <philb@gnu.org>
421 * invoke.texi (ARM Options): Improve wording slightly. Add
422 documentation for more options, including those for Thumb mode.
423 Don't mention options that don't exist or are unimplemented.
424 (Thumb Options): Delete; merged into above section.
426 2001-05-24 Geoff Keating <geoffk@redhat.com>
428 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
429 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
431 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
433 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
434 fix hard register simplification.
436 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
438 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
439 of just copying CPP_CPU_SPEC.
441 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
443 * i386.c (incdec_operand): Accept only 1 and -1.
445 2001-05-23 Kelley Cook <kelley.cook@home.com>
447 * Makefile.in: Move many of the *_H definitions eariler in the
448 file, so that rules in t-* files that use them for
449 dependencies will work in a parallel build.
450 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
452 2001-05-23 Richard Henderson <rth@redhat.com>
454 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
456 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
458 * cpp.texi: Update for handling of charconsts.
459 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
460 diagnostics. Skip to the end if the UCS is too short.
461 (cpp_interpret_charconst): Long charconsts issue a warning
464 2001-05-23 Richard Henderson <rth@redhat.com>
466 * doc/install.texi (alpha-linux): Require binutils 2.11.
468 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
470 * c-lex.c (read_escape, read_ucs): Delete.
471 (lex_string): Use cpp_parse_escape.
472 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
473 if not C++ or not C99. Warn if traditional.
474 (parse_escape): Rename cpp_parse_escape. Make the bitmask
475 unsigned. Warn for out-of-range escape sequences here.
476 Update to use maybe_read_ucs.
477 (cpp_interpret_charconst): Don't warn here.
478 * cpplib.h (cpp_parse_escape): New exported function.
480 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
482 * extend.texi (Attribute Syntax): Clarify application of
483 attributes to parameters declared as functions or arrays.
485 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
487 * dbxout.c (dbxout_type_methods): Do still group methods by name.
489 2001-05-23 Zack Weinberg <zackw@stanford.edu>
491 * diagnostic.c (vnotice): Kill.
492 (fnotice): Call vfprintf directly.
493 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
494 verbatim, set_diagnostic_context): Rename string argument to
495 indicate that it is run through gettext.
496 (vbuild_message_string, build_message_string, output_do_printf):
497 Rename string argument to indicate that it is NOT run through
499 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
500 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
501 Run msgid argument through gettext.
502 (default_print_error_function): Run constant strings through
503 gettext when nothing else will.
504 (fatal_error, internal_error, error_recursion): Use fnotice.
505 Present complete sentences to gettext.
507 2001-05-23 Mark Mitchell <mark@codesourcery.com>
509 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
511 2001-05-23 Richard Henderson <rth@redhat.com>
513 * function.c (expand_function_start): Always use a pseudo
514 for the function result value.
516 2001-05-22 Richard Henderson <rth@redhat.com>
518 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
519 section pointer alignment.
521 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
523 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
524 of __USER_LABEL_PREFIX__.
526 2001-05-22 Richard Henderson <rth@redhat.com>
528 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
529 (__deregister_frame_info_bases): New.
530 * unwind-dw2-fde.h: Declare it.
531 * libgcc-std.ver: Export it.
532 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
533 called __register_frame_info_bases.
535 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
537 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
538 instead of #elif (which is OK for this case but not in general).
540 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
542 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
543 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
544 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
545 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
546 "r2" to the assembly file. Only issue allocs with non-zero parameters.
548 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
549 David O'Brien <obrien@freebsd.org>
551 * config/freebsd.h (LIB_SPEC): Key the exact setting to
552 configure-time options and target version of FreeBSD. Set-up
553 to match architectural change in threading support. Correctly
554 report when -pthread option is not supported by configure-time
556 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
557 and extend to encode target version number in run-time setting
558 of __FreeBSD__ macro to match the system compiler.
559 (CPP_PREDEFINES): Likewise.
560 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
562 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
563 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
565 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
566 David O'Brien <obrien@freebsd.org>
568 * config.gcc (the unlabeled system switch statement): Add
569 generic configuration section to handle *-*-freebsd*. Also,
570 to match the system compiler, default to threading support (it
571 may be disabled with the standard --disable-threads
572 configuration-time switch).
573 (i[34567]86-*-freebsd* in machine-specific section): Use it.
574 (alpha*-*-freebsd* in machine-specific section): Likewise.
576 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
577 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
578 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
579 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
580 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
582 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
583 David O'Brien <obrien@freebsd.org>
585 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
586 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
587 -pthread instead setting macro.
589 2001-05-22 Richard Henderson <rth@redhat.com>
591 * crtstuff.c (__register_frame_info_bases): Declare.
592 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
593 (__do_global_dtors_aux, __do_global_dtors): Streamline.
595 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
596 (CRT_GET_RFIB_DATA): New.
597 * config/i386/sysv4.h: Likewise.
598 * config/i386/sco5.h: Likewise.
599 (ASM_PREFERRED_EH_DATA_FORMAT): New.
601 2001-05-22 Richard Henderson <rth@redhat.com>
603 * rtl.c (read_string): Break out from ...
604 (read_rtx): ... here.
606 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
608 * doc/install.texi (Specific): Remove a bogus and duplicate part
609 copied from the end of the document.
611 2001-05-22 Bernd Schmidt <bernds@redhat.com>
613 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
615 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
617 * install.texi: Remove obsolete information on SunOS as well as
618 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
619 (Installing GNU CC on the Sun): Remove section.
621 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
623 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
624 keep errno unchanged on success.
626 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
628 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
629 once for hexadecimal floats, whether or not they contain a decimal
630 point. Don't let the setting of pedantic otherwise affect the
631 parsing of hexadecimal floats.
633 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
635 * README.ACORN: Remove obsolete file.
637 2001-05-22 Jan Hubicka <jh@suse.cz>
639 * combine.c (gen_binary): Use swap_commutative_operands_p
640 (simplify_comparison): Likewise.
641 * expmed.c (emit_store_flag): Likewise.
642 * expr.c (compare_from_rtx): Likewise.
643 (do_compare_rtx_and_jump): Likewise.
644 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
645 if not emitting a branch and operands want swapping.
647 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
649 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
650 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
651 (maybe_get_identifier): Update.
652 * tree.h (make_identifier): Delete.
654 2001-05-21 Richard Henderson <rth@redhat.com>
656 * combine.c (subst): Do not substitute for a register as
657 a destination subreg/strict_low_part/zero_extract.
659 * combine.c (simplify_comparison): Update op1 after constant
661 * recog.c (const_int_operand): Accept only constants valid
663 * genrecog.c: Update comments wrt const_int_operand.
665 * emit-rtl.c (init_emit_once): Zero unused memory in a
668 2001-05-21 Mark Mitchell <mark@codesourcery.com>
670 * tree.h (type_num_arguments): Declare it.
671 * tree.c (type_num_arguments): New function.
673 2001-05-21 Richard Henderson <rth@redhat.com>
675 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
678 2001-05-21 Geoff Keating <geoffk@redhat.com>
680 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
682 (minsf3): Use rs6000_emit_minmax.
683 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
685 (movsfcc): Use rs6000_emit_cmove.
686 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
687 Don't generate emit_fselsfsf4.
688 (fseldfsf4): Likewise.
689 (maxdf3): Use rs6000_emit_minmax.
691 (mindf3): Use rs6000_emit_minmax.
692 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
694 (movdfcc): Use rs6000_emit_cmove.
695 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
696 Don't generate emit_fselsfsf4.
697 (fselsfdf4): Likewise.
698 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
699 (min_max_operator): New predicate.
700 (rs6000_emit_cmove): New function.
701 (rs6000_emit_minmax): New function.
702 * config/rs6000/rs6000-protos.h: Prototype new functions.
703 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
704 and min_max_operator.
706 * config/rs6000/rs6000.c (output_cbranch): Handle all
707 conditional types in the switch statement.
709 2001-05-21 Mark Mitchell <mark@codesourcery.com>
711 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
712 non-register variables.
713 * extend.texi: Document that asm-specifications do not make sense
714 for non-static local variables.
716 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
718 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
719 (dbxout_type_fields): Lose minimal_debug support.
720 (dbxout_type_methods, dbxout_type): Likewise.
722 2001-05-17 Andrew Haley <aph@redhat.com>
724 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
726 2001-05-21 Richard Henderson <rth@redhat.com>
728 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
731 2001-05-20 Richard Henderson <rth@redhat.com>
733 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
734 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
735 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
736 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
737 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
739 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
740 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
741 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
742 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
743 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
744 DEBUG_PUBNAMES_SECTION): Rename as above.
745 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
747 2001-05-20 Richard Henderson <rth@redhat.com>
749 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
750 operands unless the operation is commutative.
752 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
754 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
757 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
759 * extend.texi: Clarify documentation of extensions included in ISO
760 C99. Prefer C99 terminology and syntax to old GNU terminology and
761 syntax. Add more index entries. Document mixed declarations and
762 code as an extension in C89 mode. Warn about future changes to
763 semantics of inline functions. Fixes PR other/930.
765 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
767 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
768 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
769 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
770 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
772 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
774 2001-05-20 Richard Henderson <rth@redhat.com>
776 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
777 to be output before a branch.
779 2001-05-20 Richard Henderson <rth@redhat.com>
781 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
783 2001-05-20 Richard Henderson <rth@redhat.com>
785 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
786 (ASM_DOUBLE): Remove.
787 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
788 * config/i386/sun386.h: Likewise.
790 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
791 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
793 * config/i386/cygwin.h (INT_ASM_OP): Remove.
794 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
795 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
796 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
798 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
799 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
800 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
801 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
802 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
803 * config/i386/win32.h: Likewise.
805 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
807 * invoke.texi: Add more options to summary list.
809 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
811 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
812 used. Fixes PR c/2291.
815 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
817 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
818 the -fpic and -fPIC options, clear flag_pic.
820 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
822 * hashtable.c (calc_hash): Fix HASHSTEP definition.
823 * stringpool.c (make_identifier): No statistics here anymore.
824 * objc-act.c (steup_string_decl): Remove redundant check.
826 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
828 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
829 cpplib.o, cpphash.o, fix-header): Update.
830 (hashtable.o): New target.
831 * c-common.h: Include cpplib.h. Define C_RID_CODE and
832 struct c_common_identifier here.
833 * c-lang.c (c_init_options): Update. Call set_identifier_size.
834 * c-lex.c (c_lex): Update.
835 * c-pragma.h: Update.
836 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
838 (C_RID_CODE): Delete.
839 * cpphash.c: Rewrite to use hashtable.c.
840 * cpphash.h: Update include guards.
841 (struct cpp_reader): Remove hashtab.
842 hash_ob and buffer_ob are no longer pointers. Add hash_table
844 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
845 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
846 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
847 * cppinit.c (cpp_create_reader): Update.
848 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
849 (cpp_interpret_charconst): Eliminate warning.
850 * cpplib.c (do_pragma, do_endif, push_conditional,
851 cpp_push_buffer, cpp_pop_buffer): Update.
852 (_cpp_init_stacks): Rename cpp_init_directives.
853 (_cpp_cleanup_stacks): Remove.
854 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
855 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
856 cpp_forall_identifiers, cpp_create_reader): Update.
857 (C_RID_CODE, cpp_make_node): New.
858 (c_common_identifier): New identifier node for C front ends.
859 * cppmain.c (main): Update.
860 * fix-header.c (read_scan_file): Update.
861 * flags.h (id_clash_len): Make unsigned.
862 * ggc.h (ggc_mark_nonnull_tree): New.
865 * stringpool.c: Update comments and copyright. Update to use
867 * toplev.c (approx_sqrt): Move to hashtable.c.
868 (id_clash_len): Make unsigned.
869 * toplev.h (ident_hash): New.
870 * tree.c (gcc_obstack_init): Move to hashtable.c.
871 * tree.h: Include hashtable.h.
872 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
873 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
874 (struct tree_identifier): Update.
875 (make_identifier): New.
877 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
878 (C_RID_CODE): Remove.
879 * lex.c (cxx_init_options): Call set_identifier_size. Update.
880 (init_parse): Don't do it here.
882 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
884 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
886 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
888 (expand_eh_return): Convert between word_mode and Pmode.
889 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
891 (execute_stack_op): Likewise.
892 (execute_cfa_program): Likewise.
893 (uw_frame_state_for): Likewise.
894 (uw_update_context_1): Likewise.
895 * unwind.inc (_Unwind_Reason_Code): Likewise.
896 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
897 (EH_RETURN_STACKADJ_RTX): Likewise.
898 * config/mips/mips.c (compute_frame_size): Make space for saving
900 (mips_expand_epilogue): Handle EH stack adjustments.
901 * config/mips/mips.md (eh_return): New pattern.
902 (eh_set_lr_si): Likewise.
903 (eh_set_lr_di): Likewise.
904 Add splitter to perform EH return after reload.
906 2001-05-19 Mark Mitchell <mark@codesourcery.com>
908 * jump.c (mark_jump_label): Tidy previous change.
910 2001-05-19 Bruce Korb <bkorb@gnu.org>
912 * fixinc/genfixes: no need for two warnings
913 * fixinc/Makefile.in: open stdin for those building with a closed one.
915 2001-05-19 Mark Mitchell <mark@codesourcery.com>
917 * jump.c (jump_optimize_1): Tidy.
918 (mark_jump_label): When changing the label in a LABEL_REF, change
919 update any REG_EQUAL notes as well.
921 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
923 * c-parse.in (parm_declarator): Split into
924 parm_declarator_starttypename and parm_declarator_nostarttypename.
925 (parm_declarator_starttypename, parm_declarator_nostarttypename):
926 New. Allow parenthesised sub-declarators which don't begin with a
927 TYPENAME. Fixes PR c/166.
929 2001-05-19 Mark Mitchell <mark@codesourcery.com>
931 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
933 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
935 * toplev.c (main): If the target does not allow profiling without
936 a frame pointer, issue an error message.
937 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
940 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
942 * recog.c (general_operand): Modify last change to allow it if reload
945 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
947 * recog.c (general_operand): Prohibit nonzero subreg bytes on
948 subregs containing mem.
950 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
952 * regrename.c (regrename_optimize): frame pointer register can
955 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
957 * README.DWARF: Move into dwarfout.c.
959 2001-05-18 Dale Johannesen <dalej@apple.com>
961 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
962 specific misuse of r0 as a reload address.
964 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
966 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
969 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
971 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
972 (add_to_sequence): Make that decision type.
973 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
974 (write_switch, write_cond, debug_decision_2): Likewise.
976 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
978 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
981 2001-05-18 Stan Shebs <shebs@apple.com>
983 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
984 * configure: Regenerate.
986 2001-05-18 Per Bothner <per@bothner.com>
988 Changes needed for java/jvspec.c
989 * gcc.h (n_infiles, outfiles): Add declarations.
990 * gcc.c (n_infiles, outfiles): Mske no longer static.
992 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
994 * config/pa/som.h (EXCEPTION_SECTION): Define.
996 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
998 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1000 Add have_location_lists, a variable to determine whether we need a
1001 .debug_loc section or not.
1002 (enum dw_val_class): Add dw_val_class_loc_list.
1003 (dw_val_struct): Add val_loc_list.
1004 (dw_loc_list_struct): New structure, represents location lists.
1005 (new_loc_list): New function, return a new location list, given
1006 the range and location expression.
1007 (add_loc_descr_to_loc_list): New function, add a location
1008 expression to a location list, given the expression and range.
1009 (output_loc_list): New function, output a location list.
1010 (gen_internal_sym): Modified to take symbol prefix, so we can
1011 reuse it for location list symbols.
1012 (add_AT_loc_list): New function, add a location list to a DIE at
1013 the named attribute.
1014 (AT_loc_list): New function, return the location list reference
1015 for a given attribute, if it's a location list.
1016 (print_die): Handle dw_val_class_loc_list.
1017 (size_of_die): Ditto.
1018 (value_format): Ditto.
1019 (output_die): Ditto.
1020 (output_location_lists): New function, output all of the location
1021 lists for a DIE and it's children.
1022 (dwarf2out_finish): Call output_location_lists if we have location
1026 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1028 * gcse.c (try_replace_reg): First try global replace, later try to
1029 simplify the expression.
1031 * gcse.c (find_used_regs): Change calling convention; work via
1033 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1035 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1038 2001-02-09 Nick Clifton <nickc@redhat.com>
1039 * config/arm/arm.md: Change output constraint on post inc
1040 load/store multiple patterns to be a read/write constraint.
1042 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1044 * basic-block.h (struct basic_block_def): Add documentation about
1045 what a basic block is, and what the various fields are used for.
1046 * flow.c (calculate_globlal_regs_live): Add documentation about
1047 how the algorithm works, and how we know that it will terminate.
1048 Check that the the inductive assumption that guarantees
1049 termination actually holds.
1050 (mark_used_regs): Treat conditionally set registers as used.
1051 (debug_regset): Add comment.
1052 * rtl.texi (cond_exec): Add documentation.
1054 * function.c (expand_function_start): Avoid creating BLKmode
1057 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1059 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1060 DIE, even if it has no children.
1061 (dwarf2out_finish): Always output the line-number table, even if
1064 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1066 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1068 2001-05-17 Bruce Korb <bkorb@gnu.org>
1070 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1071 * fixinc/genfixes: emit a warning if AutoGen is out of date
1073 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1074 Bruce Korb <bkorb@gnu.org>
1076 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1077 found in fixinc directory. Facilitates binary distributions.
1079 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1081 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1084 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1086 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1088 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1090 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1091 (simplify_subreg): Handle complex types represented as CONCAT.
1093 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1094 * rtl.h (swap_commutative_operands_p): Declare.
1095 * rtlanal.c (swap_commutative_operands_p): New.
1096 (operand_preference): New static function.
1098 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1099 (gen_binary): Likewise.
1100 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1101 * simplify-rtx.c (simplify_gen_binary,
1102 simplify_gen_relational): Likewise.
1104 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1106 * cse.c (fold_rtx): Use simplify_subreg.
1108 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1109 (simplify_gen_subreg): New.
1110 (simplify_rtx): Use simplify_subreg.
1111 * rtl.h (simplify_gen_subreg): Declare.
1113 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1115 * doc/install.texi: Update Solaris information.
1117 * except.h (protect_cleanup_actions): Remove it.
1118 (lang_protect_cleanup_actions): Declare it.
1119 * except.c (protect_cleanup_actions): Remove it.
1120 (lang_protect_cleanup_actions): New variable.
1121 (init_eh): Don't make protect_cleanup_actions a GC root.
1122 (expand_eh_region_and_cleanup): Call
1123 lang_protect_cleanup_actions.
1124 (output_function_exception_table): Remove unused `align'
1126 * varasm.c (assemble_external): Abort if we have not yet
1127 opened the assembly output file.
1129 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1131 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1132 for eh_personality_libfunc.
1134 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1136 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1137 when calling simplify_subreg. This is needed to allow replacing
1138 of expression of one mode by expression of different mode.
1140 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1142 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1144 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1146 * expr.c (protect_from_queue): Protect against subsequent calls to
1148 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1151 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1153 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1155 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1157 * gccbug.in (CATEGORIES): Add "bootstrap".
1159 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1161 * simplify-rtx.c (simplify_subreg): Break out from ...
1162 * combine.c (combine_splify_rtx) ... here and ...
1163 * recog.c (validate_replace_rtx_1): ... here;
1164 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1165 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1166 (subreg_lowpart_p): ... here.
1168 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1170 * stmt.c (expand_asm_operands): For inout operands, make sure
1171 the substitution of '=' for '+' makes it into the rtl.
1173 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1174 (reload_as_needed): Call update_eliminable_offsets a bit later.
1176 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1178 * gcc.texi (gccbug): Refer to the web pages for detailed information
1181 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1183 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1185 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1186 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1187 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1188 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1189 * cross-make: Don't set LIBGCC1.
1190 * mklibgcc.in: Delete all code for building from libgcc1.c.
1191 Always honor LIB1ASMFUNCS if set.
1193 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1194 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1195 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1196 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1197 config/i386/uwin.asm, config/m68hc11/larith.asm,
1198 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1199 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1200 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1201 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1202 Delete or update references to libgcc1 in commentary.
1204 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1205 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1206 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1207 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1208 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1209 config/arm/t-semi, config/arm/t-strongarm-coff,
1210 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1211 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1212 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1213 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1214 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1215 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1216 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1217 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1218 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1219 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1220 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1221 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1222 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1223 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1224 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1225 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1226 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1227 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1228 config/mips/t-ultrix, config/mn10200/t-mn10200,
1229 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1230 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1231 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1232 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1233 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1234 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1235 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1236 config/sparc/t-sparclite, config/sparc/t-splet,
1237 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1238 config/sparc/t-vxsparc64, config/v850/t-v850:
1239 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1241 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1242 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1243 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1244 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1245 nongcc_SI_type, nongcc_word_type, or perform_*
1246 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1248 * config/i386/386bsd.h, config/i386/beos-elf.h,
1249 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1250 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1251 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1252 Don't include i386/perform.h.
1254 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1255 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1256 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1257 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1258 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1259 config/vax/t-openbsd, config/vax/t-vax: Delete.
1261 * config.gcc: Remove references to deleted files.
1262 (arm-semi-aof): Use arm/t-semi for tmake_file.
1264 * gcc.texi, install.texi, invoke.texi, tm.texi:
1265 Delete or rewrite text which is no longer relevant now that
1266 libgcc1 no longer exists.
1268 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1269 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1271 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1272 Bruce Korb <bkorb@gnu.org>
1274 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1277 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1279 * i386.md: Add two peepholes to clean up code generated by
1282 2001-05-16 Richard Henderson <rth@redhat.com>
1284 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1285 variants of non-absolute encodings.
1287 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1289 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1290 __register_frame_info_table_bases): Export.
1292 2001-05-16 Richard Henderson <rth@redhat.com>
1294 * except.c (eh_data_format_name): Move to ...
1295 * dwarf2asm.c: ... here. Use designated initializers if available.
1296 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1297 * dwarf2asm.h: Update declarations.
1298 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1299 ASM_PREFERRED_EH_DATA_FORMAT.
1300 (output_call_frame_info): Likewise. Use 'L' augmentation for
1303 * unwind-dw2-fde.h (struct fde_vector): New.
1304 (struct old_object): Rename from struct object.
1305 (struct object): New.
1306 (__register_frame_info_bases): Declare.
1307 (__register_frame_info_table_bases): Declare.
1308 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1309 * unwind-dw2-fde.c (objects): Remove.
1310 (unseen_objects, seen_objects): New.
1311 (__register_frame_info_bases): New.
1312 (__register_frame_info): Use it.
1313 (__register_frame_info_table_bases): New.
1314 (__register_frame_info_table): Use it.
1315 (__deregister_frame_info): Rewrite for changed object struct.
1316 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1317 (fde_unencoded_compare): Rename from fde_compare; uninline.
1318 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1319 (start_fde_sort): Adjust for new definition of fde_vector.
1320 (fde_insert): Likewise.
1321 (end_fde_sort): Likewise. Select comparison function based
1322 on properties of the object.
1323 (fde_split): Take object and fde_compare_t arguments.
1324 (frame_heapsort, fde_merge): Likewise.
1325 (classify_object_over_fdes): Rename from count_fdes. Handle
1326 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1328 (add_fdes): Handle encoded pointers.
1329 (init_object): Rename from frame_init. Update for new struct object.
1330 (linear_search_fdes): Rename from search_fdes. Handle encoded
1332 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1333 (binary_search_single_encoding_fdes): New.
1334 (binary_search_mixed_encoding_fdes): New.
1335 (search_object): New.
1336 (_Unwind_Find_FDE): Update for new struct object. Fill in
1338 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1339 iterating over EH data.
1340 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1341 fde_encoding, lsda_encoding.
1342 (read_uleb128, read_sleb128): Remove.
1343 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1344 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1345 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1347 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1349 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1351 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1352 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1353 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1354 cpp_spell_token, cpp_output_token): Similarly.
1355 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1356 do_pragma_poison, parse_assertion, do_assert): Similarly.
1357 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1358 save_parameter, _cpp_create_definition, check_trad_stringification,
1359 cpp_macro_definition): Similarly.
1360 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1361 * c-lex.c (cb_undef, c_lex): Similarly.
1362 * fix-header.c (recognized_function): Similarly.
1363 * cpplib.h (NODE_LEN, NODE_NAME): New.
1364 (cpp_hashnode): Rename length len.
1366 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1368 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1371 2001-05-16 Andreas Jaeger <aj@suse.de>
1373 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1375 * toplev.c: Include dwarf2asm.h for prototype of
1376 dw2_output_indirect_constants.
1378 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1380 * stmt.c (expand_asm_operands): Be able to offload addressof
1381 expression to memory. (PR optimization/185)
1383 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1385 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1386 applying distributive law.
1388 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1390 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1392 * gthr-dce.h (UNUSED): Attribute unused macro.
1393 (__gthread_key_dtor): Make arguments UNUSED.
1394 (__gthread_key_delete): Revise for compatibility with DRAFT4
1397 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1399 * doc/install.texi: Update AIX information.
1400 * README.RS6000: Remove obsolete file.
1402 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1403 Nathan Sidwell <nathan@codesourcery.com>
1405 * gcc.c (give_switch): Don't write before start of string.
1406 Always append suffix.
1408 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1410 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1413 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1415 * README.ALTOS: Remove obsolete file.
1417 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1419 * c-lex.h (save_and_forget_protocol_qualifiers,
1420 forget_protocol_qualifiers, remember_protocol_qualifiers):
1421 Remove deleted functions' prototypes.
1423 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1425 * c-parse.in (methodtype): New production.
1426 (methoddef, methodproto): Collapse separate '-' and '+'
1429 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1431 * c-common.h (RID_FIRST_PQ): New.
1432 * c-parse.in (objc_pq_context): New.
1433 (objc parser): Set objc_pq_context rather than calling
1434 remember_protocol_qualifiers and forget_protocol_qualifiers.
1435 Don't call save_and_forget_protocol_qualifiers.
1436 (yylexname): Handle objc protocol qualifiers here.
1437 * stringpool.c (struct str_header): Replace with sp_hashnode.
1438 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1439 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1440 Allocate an IDENTIFIER_NODE for each identifier.
1441 (FORALL_STRINGS, set_identifier): Delete.
1442 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1443 (ggc_alloc_string): Use an obstack.
1444 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1445 * tree.h: Update comments.
1446 (set_identifier): Delete.
1447 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1448 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1449 remember_protocol_qualifiers): Delete.
1451 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1453 * flow.c (life_analysis): After life analysis is complete, do
1454 an optional scan over insns looking for REG_LABEL notes that
1455 reference a deleted label.
1456 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1457 before peeking at LABEL_NUSES.
1459 2001-05-15 Richard Henderson <rth@redhat.com>
1461 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1462 (_Unwind_GetTextRelBase): New.
1464 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1466 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1468 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1470 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1471 so that CHOOSE_SECTION gets used.
1473 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1474 TARGET_RELOCATABLE like flag_pic for now.
1476 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1478 * rs6000.md (movdi splitter): Sign extend more efficiently.
1479 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1480 to "long long" valid on 32-bit and 64-bit hosts.
1481 (logical_operand): Cast trunc_int_for_mode return value.
1482 (rs6000_emit_move): Shift macro to encapsulate variable.
1483 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1484 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1485 plus_constant requires signed argument.
1487 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1489 * gthr-posix.h: Make additional pthread-* functions weak.
1491 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1493 * recog.c (apply_change_group): Avoid unneeded validating.
1495 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1497 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1498 (num_insns_constant): CONST_INT can be 64-bits.
1500 2001-05-14 Stan Shebs <shebs@apple.com>
1502 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1503 (LIBGCC_SPEC): Don't define.
1505 2001-05-14 Richard Henderson <rth@redhat.com>
1507 * configure.in (gcc_cv_as_eh_frame): New test.
1508 * config.in, configure: Rebuild.
1509 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1511 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1513 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1514 extended precision divide.
1516 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1518 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1519 for RETURNS as well.
1521 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1523 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1524 (CPP_CPU??_SIZE_TYPE): New.
1525 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1526 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1527 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1528 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1530 * i386.c (override_options): Add sorry about not suported modes.
1532 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1534 * config/pa/som.h (NM_FLAGS): Remove.
1535 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1536 (ASM_OUTPUT_SECTION_NAME): Remove.
1537 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1539 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1541 * regrename.c (regrename_optimize): Do not rename registers to
1544 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1546 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1547 contain MEMs. Remove useless distinction about clobbering
1550 2001-05-13 Geoff Keating <geoffk@redhat.com>
1552 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1553 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1554 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1555 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1556 (EXCEPTION_SECTION): Define.
1558 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1560 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1561 binary backward compat only.
1562 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1563 in LIB2FUNCS. Pass it to mklibgcc.
1564 * mklibgcc.in: Handle LIB2FUNCS_ST.
1566 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1568 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1570 * tm.texi (THREAD_MODEL_SPEC): Document it.
1571 * gcc.c (main): Use it.
1572 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1573 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1575 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1577 * rtl.h (SYMBOL_REF_WEAK): New macro.
1578 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1579 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1580 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1581 * gcc.texi: Remove wrong description.
1583 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1585 * Makefile.in (STAMP): New macro.
1586 Replace all uses of `touch' with $(STAMP).
1587 * fixinc/Makefile.in: Likewise.
1589 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1591 * configure.in: ldopen is never in -lexc, so don't test for it.
1592 Add test for exc_resume in -lexc for Ada.
1593 * configure: Regenerated.
1595 2001-05-12 Richard Henderson <rth@redhat.com>
1597 * dwarf2asm.c (size_of_encoded_value): New function.
1598 * dwarf2asm.h: Declare it.
1599 * except.c (output_function_exception_table): Align the TType
1600 array only as wide as the encoding.
1602 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1604 * extend.texi: Document #pragma GCC java_exceptions.
1606 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1608 * c-parse.in (bison parser, init_reswords): Remove uses of
1610 * c-tree.h (doing_objc_thang): Remove.
1612 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1614 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1615 about files not ending in newlines.
1617 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1619 * dwarfout.c (dwarfout_init): Add cast.
1620 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1621 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1623 * method.c (build_mangled_C99_name): Remove unused prototype.
1625 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1627 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1629 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1631 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1632 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1634 2001-05-11 Richard Henderson <rth@redhat.com>
1636 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1637 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1638 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1639 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1640 (dw2_output_indirect_constants): Prototype.
1641 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1642 current_function_func_begin_label if we'll need it for EH. Exit
1643 early for IA64_UNWIND_INFO.
1644 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1645 (eh_data_format_name): Update for indirect references.
1646 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1647 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1648 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1649 define HAVE_eh_return etc.
1650 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1651 (final_end_function): Don't call output_function_exception_table.
1652 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1653 (rest_of_compilation): Invoke output_function_exception_table
1654 for ia64 before assemble_end_function.
1655 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1656 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1658 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1659 * unwind.h: Declare them.
1660 * libgcc-std.ver: Export them.
1661 * unwind-pe.h: New file.
1663 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1665 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1667 (find_fde_for_dso): Extract DT_PLTGOT.
1668 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1669 the segment and gp as well.
1670 * config/ia64/frame-ia64.c: Remove file.
1671 * config/ia64/frame-ia64.h: Remove file.
1672 * config/ia64/unwind-ia64.c: New file.
1673 * config/ia64/unwind-ia64.h: New file.
1674 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1675 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1676 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1677 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1678 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1679 (IA64_UNWIND_INFO): Re-enable.
1680 (HANDLER_SECTION): Remove.
1681 (EH_RETURN_DATA_REGNO): New.
1682 * config/ia64/ia64.md (exception_receiver): Remove.
1683 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1684 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1686 2001-05-11 Richard Henderson <rth@redhat.com>
1688 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1689 calls and jumps to be bundled together.
1690 (ia64_reorg): Emit a break after a noreturn call that ends
1692 * config/ia64/ia64.md (break_f): New.
1694 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1696 * c-lex.c (lex_charconst): Convert into a simple wrapper
1697 around cpp_interpret_charconst, to which most of the code
1699 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1700 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1701 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1702 (lex): Use cpp_interpret_charconst.
1703 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1704 hex_digit_value): New functions.
1705 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1706 * cpplib.h (cpp_interpret_charconst): New prototype.
1707 * Makefile.in: Update.
1709 2001-05-12 Dean Wakerley <dean@wakerley.com>
1711 * doc/install.texi: New file. Converted to texinfo from the HTML
1712 documentation in wwwdocs/htdocs/install.
1714 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1716 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1717 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1719 * toplev.c (compile_file): Move comment for opening output
1720 file to just before the code that opens the output file.
1722 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1724 * regmove.c (regmove_optimize): Suppress the optimization for
1725 unchanging destination register. Add comment above function.
1727 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1729 * Makefile.in: Exterminate all references to assert.h.
1730 * cross-make: Likewise.
1732 * configure.in: Correct commentary.
1733 * configure: Regenerate.
1735 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1738 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1739 config/t-netbsd, config/t-rtems, config/x-linux,
1740 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1741 No need to override INSTALL_ASSERT_H.
1743 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1744 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1745 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1747 2001-05-11 Graham Stott <grahams@redhat.com>
1749 * combine.c (simplify_comparison): Fix typo.
1751 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1753 * loop.h (struct movables): Remove `num'.
1754 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1755 Adjust call to strength_reduce.
1756 (num_unmoved_movables): New function.
1757 (move_movables): Don't set movables->num.
1758 (strength_reduce): Compute the number of instructions in the loop
1759 here, rather than in the caller.
1760 (check_dbra_loop): Always clear reversible_mem_store if there
1761 are any memory sets.
1762 (loop_regs_scan): Don't count instructions here.
1763 (count_insn_in_loop): New function.
1765 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1767 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1769 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1771 * c-common.c (finish_label_expr): New function, lifted from
1772 from cp/semantics.c.
1773 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1774 * c-parse.in: Move 3 blocks of parser code into new functions.
1775 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1776 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1777 (lookup_label): Remove.
1779 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1781 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1782 FLOAT_BIT_ORDER_MISMATCH.
1784 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1786 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1787 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1789 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1791 * expr.c (emit_group_load): extract_bit_field requires a REG or
1794 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1796 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1797 a computed jump into an unconditional jump.
1798 In second hunk of code for collapsing computed and conditional jumps
1799 into unconditional jumps, reemit the jump in additional cases.
1801 * jump.c (jump_optimize_1): Do not wrap the new jump target
1802 inside a LABEL_REF; gen_jump will do that automatically.
1804 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1806 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1807 contents for a SYMBOL_REF in case of floating point constants.
1809 2001-05-10 DJ Delorie <dj@redhat.com>
1811 * c-common.c (combine_strings): Widen strings in a
1812 host-endian-independent way.
1814 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1816 * c-parse.in: Remove many shift/reduce conflicts. Update
1818 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1819 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1820 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1821 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1822 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1823 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1824 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1825 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1826 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1827 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1828 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1829 typespec_reserved_nonattr, typespec_reserved_attr,
1830 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1831 structsp_nonattr, components_notype, component_notype_declarator,
1832 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1833 firstparm, setspecs_fp): New
1834 (typed_declspecs, reserved_declspecs, typed_typespecs,
1835 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1836 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1837 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1838 type_quals): Remove. Users updated.
1839 (initdecls, notype_initdecls, after_type_declarator,
1840 parm_declarator, notype_declarator, absdcl1, components, ivars):
1841 Don't allow attributes at the start of a declarator; include them
1842 in the production containing the declarator instead. Always
1843 require type specifiers before trying to redeclare a typedef name.
1844 (typename): Allow for attributes but warn that they are ignored.
1845 (parmlist, firstparm, setspecs_fp): Include attributes in
1846 parmlist; suck them off the parser stack in firstparm using
1849 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1851 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1852 to determine if a block has an unconditional jump at its end.
1854 * jump.c (jump_optimize_1): When converting a conditional jump
1855 to an unconditional jump, build the jump using gen_jump instead
1856 of just modify operands in-place.
1858 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1860 * cppinit.c (cpp_post_options): Shut off macro expansion if
1862 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1863 IN_I directives only if the # is in column 1 and the directive
1864 name begins in column 2.
1865 * cppmain.c (scan_buffer): Insert a space between # and an
1866 identifier, when that identifier is a directive name.
1868 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1869 in the header search path.
1870 (enum node_type): Add T_INCLUDE_NEXT.
1871 (directive_table): Add entry for include_next.
1872 (do_include_next): New function.
1873 (process_include): New routine, broken out of do_include.
1874 (finclude): Insert 'nhd' argument, to be copied into
1875 next_header_dir of the new buffer.
1876 (main): Adjust to match.
1877 * gsyslimits.h, limity.h: Un-indent #include_next.
1879 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1881 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1882 inclusion as a chapter of the GCC manual.
1883 * gcc.texi: Include objc.texi.
1884 * fdl.texi: Use @unnumberedsec for the addendum.
1885 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1887 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1889 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1891 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1893 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1894 handling of two-address insns.
1896 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1898 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1899 ../binutils/nm-new instead of ../binutils/nm.
1901 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * i386.md (movdi splitter): Fix the splitting condition
1904 (float_extenddftf splitter): Fix mode.
1906 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1908 * genrecog.c (write_switch): Avoid outputting of switch for
1909 types wider than int.
1911 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1913 * reload1.c (copy_eh_notes): New function.
1914 (emit_input_reload_insns): Call it.
1915 (emit_output_reload_insns): Call it.
1917 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1919 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1921 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1922 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1924 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1926 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1928 * pa.md (interspace_jump): Revise comment.
1929 (builtin_longjmp): Block initial setup insns from delay slot of
1931 (builtin_setjmp_receiver): New expander to save and restore PIC
1934 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1936 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1938 * toplev.c (compile_file): Set up the output file before we call
1939 the various initializers for the compiler.
1941 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1942 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1944 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1945 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1947 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1949 * Makefile.in (tradcpp0): Correct typo in dependency list.
1951 2001-05-06 Geoff Keating <geoffk@redhat.com>
1953 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1954 the link register if we're not going to use it.
1956 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1957 (output_function_profiler): Likewise.
1959 2001-05-07 Alan Modra <amodra@one.net.au>
1961 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1963 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1965 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1966 zero-extend it. Make abs_inc unsigned.
1968 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1969 widest mode in narrowing and widening operations.
1971 * config/mips/mips.md: Sign extend CONST_INTs.
1973 2001-05-06 Andreas Jaeger <aj@suse.de>
1975 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1976 (i386 Options): Document -momit-leaf-frame-pointer.
1978 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1980 * c-typeck.c (internal_build_compound_expr): Check for
1981 array to pointer conversion just once.
1983 2001-05-05 Richard Henderson <rth@redhat.com>
1985 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1987 2001-05-05 Richard Henderson <rth@redhat.com>
1989 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1990 to the parent of the fixup region.
1992 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1994 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1996 * cpp.texi (__NO_INLINE): Document it.
1998 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2000 * cppfiles.c (struct include_file): New member err_no.
2001 (find_or_create_entry): Set it.
2002 (open_file): Don't set fds to -2. Instead, use err_no to
2003 remember previous errors, if any.
2005 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2007 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2008 between X and Y by using sequences of xgdx and xgdy.
2010 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2012 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2013 of '!' for the 'D' alternative ('!' is too strong).
2014 ("*logicalsi3_silshl16"): Likewise.
2015 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2016 ("movstrictsi"): Remove spurious '+'.
2017 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2018 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2019 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2022 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2024 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2026 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2028 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2031 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2033 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2036 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2038 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2039 soft register, use ror instead of rol.
2041 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2043 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2044 into account pre/post increment decrement for 68HC12.
2045 Fix other problems in replacement and fix call to reg_mentioned_p.
2047 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2049 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2050 Put the soft registers in bss for 68HC12.
2051 (L_regs_d3_4): New for _.d3 and _.d4.
2052 (L_regs_d5_6): Likewise.
2053 (L_regs_d1_2): Likewise.
2054 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2056 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2058 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2059 to the pre-processor when -fshort-double is specified.
2060 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2062 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2064 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2065 (__mulsi3): Rewrite for 68HC12.
2066 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2067 Mark 'x' constraint with earlyclobber to prevent a
2068 RELOAD_FOR_OTHER_ADDRESS to go in it.
2069 (mulhi3_m68hc12): New pattern.
2070 (mulhi3_m68hc11): Rename of mulhi3.
2071 (mulhi3): New expand for 68HC12 optimisation.
2072 (umulhisi3, mulhisi3): New patterns for 68HC12.
2074 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2076 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2077 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2078 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2080 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2082 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2083 constants cheap after reload.
2084 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2086 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2087 so that gcc prefers a shift by 16.
2088 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2090 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2092 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2094 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2096 * alpha.h: NULL_PTR -> NULL.
2103 * i386.md: Likewise.
2106 * m68hc11.h: Likewise.
2107 * rs6000.h: Likewise.
2110 * sparc.h: Likewise.
2114 * final.c: Likewise.
2116 * recog.c: Likewise.
2118 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2121 `bool' parameter to `int'.
2123 * hash.c (hash_lookup): Likewise.
2125 * hash.h (hash_lookup): Likewise.
2127 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2129 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2131 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2133 2001-05-03 Geoff Keating <geoffk@redhat.com>
2135 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2136 -malign-loops, -malign-functions.
2137 * i386.c (ix86_align_funcs): Delete.
2138 (ix86_align_loops): Delete.
2139 (ix86_align_jumps): Delete.
2140 (override_options): Mark -malign-* as obsolete. Emulate their
2141 behaviour with the -falign-* options. Default -falign-* from
2142 the processor table.
2143 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2144 patch of Wed May 2 13:09:36 2001.
2145 (LOOP_ALIGN): Delete.
2146 (LOOP_ALIGN_MAX_SKIP): Delete.
2147 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2148 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2150 2001-05-04 Andreas Jaeger <aj@suse.de>
2152 * except.h: Add prototype declaration for
2153 expand_builtin_init_dwarf_reg_sizes.
2155 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2157 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2159 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2161 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2163 ("bitcmpqi2"): New pattern for bit-extract and test.
2164 ("bitcmphi"): New pattern for bitb/bita instructions.
2166 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2168 * gccbug.in: Use a temporary directory when the mktemp command is
2171 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2173 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2175 (INITIALIZE_TRAMPOLINE): Call it.
2176 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2177 (TRAMPOLINE_TEMPLATE): Remove.
2178 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2179 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2182 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2184 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2185 and crtendS.o with PIC.
2187 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2189 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2191 (___subdi3, ___adddi3): Use x instead of y as index register.
2192 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2193 (__memset, __memcpy): Likewise.
2194 (regs): Put the soft registers in bss for 68HC12.
2195 (abort): Use trap to abort for 68hc12.
2196 (__mulhi3, __mulhi32): Use emul for 68hc12.
2197 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2199 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2201 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2202 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2203 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2204 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2205 Set 68HC12 min offset to -65536.
2206 (print_operand): Put parenthesis arround the operand if it refers
2207 to a symbol having the same name as a register.
2208 (m68hc11_z_replacement): When z register is replaced by its
2209 equivalent soft register, force the insn to be re-recognized.
2210 (m68hc11_check_z_replacement): Fix the test when destination is
2211 the index register and z dies in the insn.
2212 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2214 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2216 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2217 costs according to processor variant.
2218 (m68hc11_shift_cost): New function to compute shift costs.
2219 (m68hc11_rtx_costs): Define costs according to processor variant.
2220 (m6811_cost): Costs for 68HC11.
2221 (m6812_cost): Costs for 68HC12.
2222 (COSTS_N_INSNS): Remove.
2224 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2225 (DEFAULT_RTX_COSTS): Remove.
2226 (CONST_COSTS): Define costs according to OUTER_CODE.
2227 (processor_costs): New struct to define costs.
2228 (m68hc11_cost): Pointer to current costs.
2230 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2232 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2233 and use m68hc11_notice_keep_cc when using leax/leay.
2234 (addhi3 split): Reject split if the insn is handled by
2236 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2237 push must be handled in a special way if the source operand uses
2238 sp as index register.
2239 (m68hc11_notice_keep_cc): New function.
2240 (m68hc11_gen_movhi): Use it when an insn changes a register but
2242 (m68hc11_gen_movqi): Fix move for 68HC12.
2243 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2245 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2247 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2248 and don't pass operands[0] to emit_library_call_value.
2250 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2252 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2253 (zero_extendsi split): Simplify and use (zero_extendhi).
2254 (*addhi3): Remove 'w' constraint since stack pointer is handled
2256 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2257 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2258 (*ashrhi3_const): Fix shift by 7.
2259 (*lshrsi3_const16): Fix template.
2260 (call, call_value): Fix constraint and predicate.
2262 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2264 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2265 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2266 (CC_REGNUM): Likewise.
2267 (*unnamed splits): Use above constants instead of hard coded numbers.
2268 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2269 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2270 (*return_16bit, *unnamed peepholes): Likewise.
2272 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2274 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2275 rs6000/rs6000.h twice.
2277 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2279 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2280 (CPP_SPEC): Conditionally define MSDOS and GO32.
2281 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2282 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2284 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2286 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2288 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2290 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2292 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2293 * integrate.c (expand_inline_function): Use xcalloc to allocate
2295 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2298 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2300 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2303 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2305 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2306 linker if -mrelax is given.
2307 (TARGET_SWITCHES): Document -mrelax.
2309 Re-installed 2001-01-09's patch:
2310 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2311 if it's wider than long and the target's long is wider than the
2314 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2316 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2317 directly include rs6000/rs6000.h. Instead do it in tm.h.
2319 2001-05-02 Stan Shebs <shebs@apple.com>
2321 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2322 NSConstantString for NeXT-style runtimes.
2323 (STRING_OBJECT_GLOBAL_NAME): New macro.
2324 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2325 OCTI_STRING_CLASS_DECL.
2326 (constant_string_global_id): New macro.
2327 (string_class_decl): Ditto.
2328 (setup_string_decl): New function.
2329 (build_objc_string_object): Use it to build a NeXT runtime
2330 compatible string initializer.
2332 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2334 * tradcpp.c (do_define): Make sure we don't walk past limit.
2336 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2338 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2339 offsets if not REG_OK_STRICT.
2341 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2342 (INT_REG_OK_FOR_INDEX_P): Likewise.
2343 (INT_REG_OK_FOR_BASE_P): Likewise.
2344 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2345 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2346 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2347 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2348 REG_OK_FOR_BASE_P. Take an additional parameter.
2349 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2350 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2351 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2352 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2353 rs6000_legitimate_address() and use it.
2354 * config/rs6000/rs6000.c: Update all callers.
2355 (rs6000_legitimate_address): New function.
2357 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2359 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2360 special_constant conditional blocks together.
2362 2001-05-02 Dale Johannesen <dalej@apple.com>
2364 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2366 (STRICT_ARGUMENT_NAMING): Define.
2367 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2368 function_arg_partial_nregs, setup_incoming_varargs): Remove
2369 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2372 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2374 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2376 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2379 * expr.c (store_field): Do nothing except elaborate side-effects if
2382 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * c-lex.c: NULL_PTR -> NULL.
2386 * emit-rtl.c: Likewise.
2388 * genpeep.c: Likewise.
2390 * mips-tdump.c: Likewise.
2391 * reload1.c: Likewise.
2392 * rtlanal.c: Likewise.
2394 * stor-layout.c: Likewise.
2395 * toplev.c: Likewise.
2397 2001-05-01 Per Bothner <per@bothner.com>
2399 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2400 call do_pending_stack_adjust before emiting label.
2402 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2404 * extend.texi: Fix typo.
2406 2001-05-01 Stan Shebs <shebs@apple.com>
2408 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2409 of UOBJC_MODULES_decl.
2410 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2411 (generate_descriptor_table): Ditto.
2412 (generate_protocols): Ditto.
2413 (generate_protocol_list): Ditto.
2414 (generate_classref_translation_entry): Ditto.
2416 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2418 * invoke.texi (Optimize Options): Add documentation for `--param
2419 max-delay-slot-insn-search' and `--param
2420 max-delay-slot-live-search' and reorder --param section.
2421 * params.def: Modify initial comment.
2422 * params.h (param_info): Add `help' member.
2423 * toplev.c (lang_independent_params): Include `help' description.
2424 (display_help): Print --param parameters.
2426 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2428 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2429 Remove references to deleted files.
2430 (*-*-openbsd): No need to override xmake_file.
2431 (*-*-sysv4): Treat like *-*-sysv.
2433 * configure.in: Probe for ldopen in various places, and set up
2434 collect2 to be linked with them if found.
2435 Don't dink with Windows registry stuff unless $host_os is a
2436 Win32 os name. Check to see if we need -ladvapi32.
2437 * configure: Regenerate.
2439 * Makefile: Get rid of CLIB and HOST_CLIB.
2440 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2441 * build-make: Get rid of HOST_CLIB.
2443 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2444 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2445 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2446 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2447 config/rs6000/x-rs6000: Delete.
2449 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2452 24 x-host fragments remain, 0 x-cpu, 3 top level.
2454 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2456 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2457 * configure: Regenerate.
2459 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2461 * Makefile.in (install-headers): Remove redundant dependency.
2463 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2465 * c-tree.texi (USING_STMT): Document.
2467 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2469 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2470 * c-common.c: Likewise.
2471 * c-decl.c: Likewise.
2472 * combine.c: Likewise.
2473 * rs6000.c: Likewise.
2474 * except.c: Likewise.
2475 * explow.c: Likewise.
2477 * fold-const.c: Likewise.
2478 * function.c: Likewise.
2481 * integrate.c: Likewise.
2483 * objc/objc-act.c: Likewise.
2484 * recog.c: Likewise.
2485 * reg-stack.c: Likewise.
2486 * reload.c: Likewise.
2487 * reload1.c: Likewise.
2488 * simplify-rtx.c: Likewise.
2490 * varasm.c: Likewise.
2492 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2494 * diagnostic.def: New file.
2495 * diagnostic.h (diagnostic_t): New enum.
2496 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2498 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2500 * tsystem.h: Test only POSIX for availability of string.h
2502 * config.gcc (all systems): If USG appeared in xm_defines,
2503 change it to POSIX. If both USG and POSIX appeared, just
2504 delete USG. Remove unnecessary quotes around xm_defines
2506 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2507 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2508 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2509 powerpc-*-linux*): No need to set xm_defines - handled by
2510 global settings for *-*-linux*.
2512 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2514 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2515 Always include gstab.h, not system stab.h. Don't provide
2516 default definitions of N_CATCH or N_OPT. Always use the
2517 gstab.h variant of STAB_CODE_TYPE.
2518 * final.c: Don't include stab.h/gstab.h at all, or provide
2519 defaults for N_SLINE and N_SOL.
2521 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2522 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2524 * sdbout.c: Always include gsyms.h instead of system syms.h.
2526 * configure.in: No need to check for stab.h.
2527 * configure, config.in: Regenerate.
2528 * Makefile.in (final.o): Don't depend on gstab.h.
2530 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2531 Richard Henderson <rth@redhat.com>
2533 * extend.texi: Improve documentation of volatile asms.
2535 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2537 * c-tree.texi: Fix thinko.
2538 * gcc.texi: Likewise.
2540 2001-04-30 Richard Henderson <rth@redhat.com>
2542 * c-common.c (c_promoting_integer_type_p): New function, from the
2543 corpse of old macro. Properly promote too-small enumerations and
2544 booleans. Adjust all callers.
2545 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2546 (c_promoting_integer_type_p): Declare.
2547 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2548 * c-typeck.c: Likewise.
2549 (default_conversion): Remove now redundant boolean check.
2551 2001-04-30 Jan Hubicka <jh@suse.cz>
2552 Richard Henderson <rth@redhat.com>
2554 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2556 (combine_stack_adjustments_for_block): Don't combine stack
2557 allocation followed by deallocations. Handle grow-up stacks.
2559 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2561 * fdl.texi: New file.
2562 * c-tree.texi: Use the GFDL.
2563 * gcc.texi: Likewise.
2565 2001-04-30 Stan Shebs <shebs@apple.com>
2567 * invoke.texi: Add a section documenting Objective-C options.
2569 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2571 * emit-rtl.c (try_split): Copy EH notes to sequence.
2573 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2575 * regmove.c (record_stack_memrefs): Catch all references to the
2578 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2580 * Makefile.in (stmp-fixinc): quote shell assignment values
2582 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2584 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2588 * prefix.c: Likewise.
2590 2001-04-28 Stan Shebs <shebs@apple.com>
2592 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2593 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2594 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2595 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2597 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2598 (NEXT_OBJC_RUNTIME): Define.
2600 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2602 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2603 * simplify-rtx.c (simplify_gen_relational): Likewise.
2605 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2607 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2608 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2610 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2611 registers in SSE case; fix handling of the immediates.
2612 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2613 operands to be in regsiters before reload.
2614 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2615 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2616 (abstf,absxf,negtf,negxf splitters): Compute
2617 properly the regnum for x86_64.
2618 (avsdf2_if_rex64): New.
2620 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2622 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2623 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2624 into the constant pool.
2625 * jump.c (jump_optimize_1): Remove barrier successors after all
2626 the LABEL_NUSES counds have been computed.
2627 (delete_barrier_successors): When deleting a tablejump insn, also
2628 delete the jump table it uses.
2629 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2632 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2634 * pa.c (FRP): Remove erroneous white space in macro definition.
2636 2001-04-28 Andreas Jaeger <aj@suse.de>
2638 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2640 * extend.texi: Likewise.
2641 * tm.texi: Likewise.
2643 2001-04-28 Andreas Jaeger <aj@suse.de>
2645 * md.texi: Use XX-bit instead of XXbit or XX bit where
2648 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2650 * gcc.c (process_command): Allow -l lib in addition to -llib
2651 for POSIX compliance. This fixes PR c/2347.
2653 * invoke.texi: Update section on Link Options accordingly.
2655 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2657 * function.c (purge_addressof_1): Remove the duplicate
2658 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2661 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2663 * except.c (expand_eh_region_start): Don't start a new block.
2664 (expand_eh_region_end): Don't end a block.
2665 * stmt.c (expand_end_bindings): Don't end EH blocks.
2666 (expand_decl_cleanup): Starting an EH region won't change the block.
2667 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2668 (is_eh_region): Lose.
2671 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2673 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2675 * collect2.c (main): Add `-L' case to remove duplicate entries.
2676 (is_in_args): New function to check for a duplicate argument.
2677 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2678 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2679 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2680 Define to be nonzero.
2682 2001-04-27 Andreas Jaeger <aj@suse.de>
2683 Richard Henderson <rth@redhat.com>
2685 * md.texi (Machine Constraints): Document additional i386
2686 constraints and fix description of "A".
2688 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2690 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2692 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2694 * except.c (get_exception_filter): word_mode, not Pmode.
2696 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2698 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2699 common to other movsf patterns. Move up so that in future
2700 people who change the other patterns will change it too.
2701 (movsf_lo_sum): Allow even for soft-float; add appropriate
2703 (movsf_high): Likewise.
2704 (movsf_high+1): Allow even for soft-float.
2706 * function.c (expand_function_end): Always clobber the
2707 return registers, even if there is no return label.
2709 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2711 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2713 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2715 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2716 (pushqi2_rex64, pushhi2_rex64): Add.
2718 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2720 * except.c (expand_eh_region_end_cleanup): Force pending stack
2721 adjust before emitting label that branches around cleanup code.
2723 2001-04-26 H.J. Lu (hjl@gnu.org)
2725 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2727 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2729 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2730 (ASM_OUTPUT_SECTION_NAME): Likewise.
2731 (ASM_WEAKEN_LABEL): Likewise.
2732 (UNIQUE_SECTION): Likewise.
2733 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2734 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2735 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2736 (ASM_OUTPUT_SECTION_NAME): Likewise.
2737 (ASM_WEAKEN_LABEL): Likewise.
2738 (UNIQUE_SECTION): Likewise.
2739 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2740 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2741 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2742 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2743 (ASM_FILE_START): Likewise.
2744 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2745 (ASM_DECLARE_OBJECT_NAME): Likewise.
2746 (ASM_FILE_END): Likewise.
2747 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2748 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2749 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2750 (ASM_OUTPUT_CASE_LABEL): Likewise.
2751 (ASM_OUTPUT_SKIP): Likewise.
2752 (ASM_OUTPUT_ASCII): Likewise.
2753 (ASM_OUTPUT_IDENT): Likewise.
2754 (READONLY_DATA_SECTION): Likewise.
2755 (EXTRA_SECTIONS): Likewise.
2756 (EXTRA_SECTION_FUNCTIONS): Likewise.
2757 (SELECT_RTX_SECTION): Likewise.
2758 (SELECT_SECTION): Likewise.
2760 * config/mips/linux.h (INVOKE__main): Undefine.
2761 (CTOR_LIST_BEGIN): Likewise.
2762 (CTOR_LIST_END): Likewise.
2763 (DTOR_LIST_BEGIN): Likewise.
2764 (DTOR_LIST_END): Likewise.
2765 (SET_ASM_OP): Defined it to ".dummy".
2766 (ASM_OUTPUT_DEF): Defined.
2767 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2769 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2771 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2772 assembler supports .p2align.
2774 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2776 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2778 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2780 * integrate.c (expand_inline_function): Check for error_mark_node
2783 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2785 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2788 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2790 * configure.in (configargs.h): Define thread_model.
2791 * configure: Rebuilt.
2792 * gcc.c (main): Print it with -v.
2794 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2796 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2797 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2798 * gcc.1: Regenerate.
2800 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2802 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2803 is_redundant_typedef): Use static inline instead of inline static.
2805 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2807 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2808 this directory is always searched.
2810 2001-04-25 Richard Henderson <rth@redhat.com>
2812 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2813 of registers to restore along non eh_return path.
2815 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2817 * c-format.c (check_format_info_recurse): Handle
2818 PLUS_EXPR for format string.
2820 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2822 * config/ia64/ia64.h (CC1_SPEC): Define.
2823 * config/ia64/linux.h (CC1_SPEC): Define.
2825 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2827 * emit-rtl.c (constant_subword): Also do sign extension in
2828 BITS_PER_WORD == 16 case.
2830 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2832 * loop.c (try_swap_copy_prop): Go back to checking insn.
2834 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2836 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2837 if check_mode is non-zero.
2839 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2841 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2842 out and comparison sequence has been detected, put result into
2843 proper temporary pseudo.
2845 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2847 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2848 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2849 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2850 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2851 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2852 for future reference.
2854 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2856 * except.c (reachable_handlers): Step out one level from a RESX.
2858 * except.c (struct eh_region): Rename 'last' to 'resume'.
2859 (mark_eh_region, duplicate_eh_region_1): Adjust.
2860 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2861 (build_post_landing_pads): Likewise.
2862 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2863 (expand_eh_region_end_must_not_throw): Likewise.
2864 (connect_post_landing_pads): Thread (only) regions with non-deleted
2867 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2868 registers around the cleanup.
2869 (get_exception_filter): New fn.
2870 (finish_eh_generation): Use it.
2872 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2874 * c-semantics.c (add_scope_stmt): Don't call
2875 current_scope_stmt_stack multiple times.
2877 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2878 Nathan Sidwell <nathan@codesourcery.com>
2880 Lazy __FUNCTION__ generation.
2881 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2882 RID_C99_FUNCTION_NAME): New _RIDs.
2883 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2884 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2885 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2887 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2888 (c99_function_name_decl_node, function_name_decl_node,
2889 pretty_function_name_decl_node, saved_function_name_decls):
2891 (struct language_function): Remove x_function_name_declared_p.
2892 (make_fname_decl): Remove a parameter.
2893 (declare_function_names): Remove prototype.
2894 (start_fname_decls, finish_fname_decls): Prototype.
2895 (fname_as_string): Likewise.
2896 (fname_string, fname_decl): Likewise.
2897 * c-common.c (make_fname_decl): Adjust.
2898 (struct fname_var_t): New struct.
2899 (fname_vars): New static array.
2900 (declare_function_name): Remove.
2901 (start_fname_decls, finish_fname_decls): New functions.
2902 (fname_as_string): New function from remnants of
2903 declare_function_name.
2904 (fname_string, fname_decl): New functions.
2906 * c-decl.c (c_function_name_declared_p): Remove.
2907 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2908 don't call declare_function_name. Call start_fname_decls.
2909 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2910 clobber the line number. Call finish_decl.
2911 (start_function): Call start_fname_decls.
2912 (finish_function): Call finish_fname_decls.
2913 Remove c_function_name_declared_p.
2914 (push_c_function_context): Don't push c_function_name_declared_p.
2915 (pop_c_function_context): Don't pop c_function_name_declared_p.
2916 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2917 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2918 (program): Call finish_fname_decls for C.
2919 (primary): Add VAR_FUNC_NAME.
2920 (reswords): Add slots for __FUNCTION__ et al.
2921 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2922 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2923 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2924 * c-semantics.c (prune_unused_decls): Remove.
2925 (finish_stmt_tree): Don't call prune_unused_decls.
2926 (genrtl_decl_stmt): Don't prune unused decls here.
2928 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2930 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2931 constant pool, use the pool's SYMBOL_REF instead.
2933 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2936 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2938 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2939 passing nested NOP_EXPRs to fold.
2941 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2943 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2945 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2947 * loop.c (loop_delete_insns): Add prototype.
2949 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2951 * configure.in: Remove ENABLE_STD_NAMESPACE.
2952 * config.in: Regenerated.
2953 * configure: Regenerated.
2955 2001-04-22 Stan Shebs <shebs@apple.com>
2957 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2959 * config/rs6000/xm-darwin.h: Remove file.
2961 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2963 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2964 (write_c_file_stat): Likewise.
2966 * dbxout.c (dbxout_init): Likewise.
2968 * profile.c (output_func_start_profiler): Likewise.
2970 2001-04-22 Philipp Thomas <pthomas@suse.de>
2972 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2973 require it instead of the CVS version.
2974 * cpperror.c (v_message): Put a blank before the macro
2975 body to not confuse exgettext.
2977 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2979 * flow.c (proagate_one_insn): Remove useless assignment.
2980 * jump.c (delete_insn): Tidy.
2981 * loop.c (try_copy_prop): When deleting an instruction with a
2982 REG_RETVAL note, delete the entire libcall sequence.
2983 (loop_delete_insns): New function.
2984 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2985 we're not substituting into them yet.
2987 2001-04-21 Kazu Hirata <kazu@hxi.com>
2989 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2991 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2993 * config/i960/i960.c (signed_arith_operand): Likewise.
2995 * calls.c (expand_call): Fix a comment typo.
2997 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2999 * configure.in: Probe for times, clock, struct tms, and clock_t.
3000 * configure, config.in: Regenerate.
3001 * timevar.c: Replace ifdef forest in get_time with (relatively)
3002 straightforward series of checks based on autoconf's probes.
3004 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3006 * config/pa/som.h (NM_FLAGS): Define.
3008 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3010 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3012 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3013 * ia64.c (nop_cycles_until): New function.
3014 (prev_cycle, prev_first, last_issued): New static variables.
3015 (ia64_sched_reorder): Additional arg for clock.
3016 On final scheduling pass, emit extra NOPs as needed.
3017 Set prev_first and prev_cycle.
3018 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3019 (ia64_variable_issue): Set last_issued.
3021 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3023 * config/i386/i386.c (ix86_expand_int_movcc,
3024 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3026 2001-04-20 Geoff Keating <geoffk@redhat.com>
3028 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3029 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3030 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3031 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3032 ctrdi_internal6): In the short-branch case, this insn is only 4
3033 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3035 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3037 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3038 "=u" is used together with "st" resp. "st(1)" clobber.
3040 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3042 * gcse.c (gcse_main): Fix comment typo.
3043 (delete_null_pointer_check): Likewise.
3044 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3045 * cse.c (cse_insn): Likewise.
3046 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3049 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3051 * toplev.c: Excise all code for the undocumented -dm option.
3052 (float_signal): Call signal just once, unconditionally.
3054 2001-04-19 Geoff Keating <geoffk@redhat.com>
3056 * fold-const.c (fold): Use first_rtl_op rather than
3057 TREE_CODE_LENGTH when looping over parameters of a tree.
3058 Correct strange grouping in test for evaluated SAVE_EXPR.
3060 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3062 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3063 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3065 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3066 name at 32 total characters.
3067 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3068 functions in named sections -- data items can still go into unique
3069 sections, but they have normal names (ie $LIT$ and $DATA$).
3071 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3074 2001-04-19 DJ Delorie <dj@redhat.com>
3076 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3077 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3078 * config/i386/cygwin.h: Likewise.
3079 * config/i386/mingw32.h: Likewise.
3080 * config/vax/vms.h: Likewise.
3081 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3083 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3084 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3085 * config/i386/xm-cygwin.h: Likewise.
3086 * config/i386/xm-djgpp.h: Likewise.
3087 * config/i386/xm-mingw32.h: Likewise.
3088 * config/vax/xm-vms.h: Likewise.
3090 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3091 instead of OBJECT_SUFFIX.
3092 * collect2.c (find_a_file): Look for files matching the extension
3093 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3094 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3095 TARGET_EXECUTABLE_SUFFIX.
3096 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3097 (make_relative_prefix): Likewise.
3098 (convert_filename): Use TARGET_ suffixes throughout. Remove
3100 (process_command): Likewise.
3101 (do_spec_1): Likewise.
3102 * java/lang.c (init_parse): Likewise.
3104 * gcc.texi : Document four new options matching the pattern
3105 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3106 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3107 documentation for NO_AUTO_EXE_SUFFIX.
3109 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3111 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3112 that language-independent processing should not be done.
3113 * toplev.c (main): Adjust accordingly.
3115 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3116 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3118 * mips.md (reload_outputdi): Require that operand0 be a
3121 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3123 * invoke.texi (-Wshadow): Clarify.
3125 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3127 * loop.c (load_mems): Examine all the instructions in the loop
3128 before concluding that all jumps branch to the first instruction
3131 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3133 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3135 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3137 * cpp.texi (-Wwhite-space): Remove.
3138 (-Wall): -Wall does not imply -Wwhite-space.
3140 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3142 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3143 use it instead of blindly generating a .stabs.
3144 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3146 * xcoffout.c: Don't bother defining default for N_CATCH.
3147 (UNKNOWN_STAB): Use internal_error.
3148 (stab_to_sclass): Remove now-unnecessary aborts.
3149 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3151 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3153 * jump.c (mark_all_labels): Canonicalize the tail recursion
3154 label attached to CALL_PLACEHOLDER insns.
3156 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3158 * output.h (dump_flow_info, free_basic_block_vars,
3159 which_alternative): Delete redundant prototypes.
3161 * rtl.h (bss_section): Likewise.
3163 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3165 * dbxout.c (N_OPT): Define if not available from <stab.h>
3167 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3169 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3170 libraries and native K&R compilers.
3172 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * c-typeck.c (convert_arguments): Don't check for width changes
3177 * invoke.texi (-Wtraditional): Update documentation.
3179 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3181 * toplev.c (output_lang_identify): Delete.
3182 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3183 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3184 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3185 after calling ASM_FILE_END.
3187 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3188 Instead, unconditionally emit an N_OPT stab with string equal
3189 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3191 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3193 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3194 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3195 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3196 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3197 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3198 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3199 config/i370/i370.h, config/i386/beos-elf.h,
3200 config/i386/osf1elf.h, config/i386/osfrose.h,
3201 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3202 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3203 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3204 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3205 config/mips/iris6.h, config/mips/osfrose.h,
3206 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3207 config/sparc/sp64-elf.h:
3208 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3209 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3211 * config/elfos.h, config/freebsd.h, config/linux.h,
3212 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3213 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3214 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3215 of ASM_FILE_START which merely emit a .version directive. Delete
3216 definitions of ASM_FILE_END which merely emit an .ident directive.
3218 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3219 ASM_IDENTIFY_GCC and move part of its logic into
3222 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3223 config/sparc/linux-aout.h: Don't emit .version directive in
3226 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3227 (output_file_start): Correct comment.
3229 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3230 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3232 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3233 * config/rs6000/aix.h: Correct comment.
3235 * config/i386/i386afe.h: Delete.
3236 * config.gcc: Remove references to i386afe.h.
3238 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3239 other macros deleted by this patch were undocumented.
3241 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3243 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3245 * pa.c (secondary_reload_class): SAR<->FP copies require a
3248 * install.texi (mips-mips-bsd): Update list of functions
3249 required to include memmove.
3250 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3251 used functions to include memmove.
3253 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3255 * i386.md (sqrtdf2): SFmode should be DFmode.
3257 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3259 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3260 (find_moveable_store): Likewise.
3262 2001-04-15 Jim Wilson <wilson@redhat.com>
3264 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3266 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3268 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3269 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3271 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3273 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3276 2001-04-14 Alan Modra <amodra@one.net.au>
3278 * pa.c (force_mode): New function.
3279 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3281 2001-04-13 Jim Wilson <wilson@redhat.com>
3283 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3284 (first_instruction): New static variable.
3285 (rtx_needs_barrier): Return 1 for alloc.
3286 (init_insn_group_barriers): Set first_instruction.
3287 (rws_sum): Delete duplicate definition.
3288 (group_barrier_needed_p): Return 0 when first_instruction true.
3289 (safe_group_barrier_needed_p): Save and restore first_instruction
3290 around group_barrier_needed_p call.
3292 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3294 * expr.h (enum libfunc_index): Add LTI_memmove.
3295 (memmove_libfunc): Define macro.
3296 * optabs.c (init_optabs): Initialize memmove_libfunc.
3297 * expr.c (expand_assignment): Use memmove_libfunc instead of
3300 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3302 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3305 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * Makefile.in (reg-stack.o): Depend on reload.h.
3308 (insn-attrtab.o): Depend on flags.h.
3310 * genattrtab (main): Include flags.h in insn-attrtab.c.
3312 * reg-stack.c: Include reload.h.
3314 * sparc.h (flag_pic): Delete redundant declaration.
3316 * output.h (flag_pic): Likewise.
3318 * tree.h (pedantic): Likewise.
3320 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3324 * jump.c, regmove.c, toplev.c: Include reload.h.
3326 * reload.h (reload_cse_regs): Declare.
3328 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3329 reload_cse_regs, init_reload, mark_home_live, reload,
3330 init_caller_save): Delete redundant prototypes.
3332 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3334 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3336 * regclass.c, ssa.c: Include expr.h.
3338 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3339 gen_move_insn): Delete redundant declarations.
3341 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3343 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3344 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3345 MAKEINFO and MAKEINFOFLAGS too.
3346 (stage4_build): Correctly order -B flags.
3348 2001-04-13 Alan Modra <amodra@one.net.au>
3350 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3351 PIC_OFFSET_TABLE_SAVE_RTX.
3352 (zdepi_cint_p): Describe zdepi insn.
3353 Formatting and white space fixes throughout file.
3355 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3356 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3357 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3358 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3359 (output_64bit_and): Use plain `int's for shift counts.
3360 (output_64bit_ior): Likewise.
3361 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3362 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3365 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3366 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3367 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3368 NEW_HP_ASSEMBLER into one. Kill warnings.
3370 * pa-gas.h: Delete file.
3371 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3372 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3373 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3374 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3376 * config/pa/mill32.S: New file.
3377 * config/pa/mill64.S: New file.
3378 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3379 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3380 * config/pa/t-linux64: New file.
3381 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3382 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3383 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3385 * elfos.h (SELECT_SECTION): Undef before defining.
3386 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3387 (LIB_SPEC): Remove -lmilli.
3388 (DBX_REGISTER_NUMBER): Remove.
3389 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3390 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3391 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3392 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3393 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3394 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3395 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3396 TARGET_GAS): Define.
3397 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3398 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3399 regs if we don't have a prototype.
3400 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3401 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3402 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3403 EH_RETURN_HANDLER_RTX): Define.
3404 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3405 (DWARF_FRAME_REGNUM): Define.
3406 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3407 * pa32-linux.h: New file.
3408 * pa64-linux.h: New file.
3410 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3411 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3412 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3413 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3414 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3415 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3416 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3417 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3418 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3419 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3420 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3421 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3422 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3423 * pa64-hpux.h: New file.
3424 (ASM_FILE_START): Correct typo.
3425 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3426 * config.gcc: Modify for above.
3428 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3430 * jump.c (jump_optimize_1): Don't delete dead stores here.
3431 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3432 prior to running jump optimize before cse2.
3434 2001-04-12 Richard Henderson <rth@redhat.com>
3436 * Makefile.in (regmove.o): Depend on except.h.
3437 * regmove.c: Include it.
3439 2001-04-12 Stan Shebs <shebs@apple.com>
3441 * objc/objc-act.c: Remove all code ifdefed with the never-used
3442 macro OBJC_INT_SELECTORS.
3443 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3444 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3446 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3448 * config/pa/quadlib.c: Add prototypes.
3450 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3452 * bitmap.h (debug_bitmap): Delete redundant prototype.
3454 * rtl.h (get_frame_size): Likewise.
3456 2001-04-12 Jim Wilson <wilson@redhat.com>
3458 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3459 to just emit an fnorm.
3461 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3463 * c-common.h (truthvalue_conversion, type_for_mode,
3464 type_for_size): Delete redundant declarations.
3466 * c-lex.h (is_class_name): Likewise.
3468 * c-tree.h (pedantic, convert, getdecls, gettags,
3469 global_bindings_p, init_decl_processing, insert_block,
3470 maybe_build_cleanup, poplevel, print_lang_decl,
3471 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3472 set_block, incomplete_type_error, build_function_call,
3473 lvalue_or_else, mark_addressable): Likewise.
3475 * expr.h (expand_tree_builtin): Likewise.
3477 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3479 * invoke.texi: Document --param max-gcse-memory.
3481 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3483 * configure.in (errno): Check for declaration.
3484 * configure, config.in: Regenerated.
3486 * system.h (errno): Only declare if not already done.
3488 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3490 * recog.c (general_operand, immediate_operand,
3491 nonmemory_operand): Require CONST_INTs to be sign-extended
3492 values for their modes.
3494 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3496 * expmed.c (store_bit_field): Truncate CONST_INTs.
3497 (expand_mult_highpart, expand_divmod): Likewise.
3498 * expr.c (convert_modes, store_field): Likewise.
3499 * integrate.c (expand_inline_function): Use promote_mode() to
3500 determine whether to convert_modes() an argument as signed
3502 * optabs.c (expand_binop): Get CONST_INT operands
3503 sign-extended for their appropriate modes.
3504 * stmt.c (emit_case_nodes): Convert node values to the
3506 (expand_end_case): Convert minval and range to the appropriate
3508 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3509 the iteration variable.
3510 * varasm.c (immed_double_const): Don't require words to be
3511 narrower than host wide ints to properly sign-extend
3514 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3516 * sh.md (builtin_setjmp_receiver): New expander.
3518 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3520 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3521 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3522 for generating CONST_INT and CONST_DOUBLE.
3524 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3526 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3527 already sign-extended.
3528 (rs6000_emit_prologue): Make register iterator signed.
3529 (rs6000_emit_epilogue): Likewise.
3530 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3532 (movsf split, movdf split): Sign-extend CONST_INTs.
3533 (movdi splits): Likewise.
3535 2001-04-12 Kelley Cook <kelley.cook@home.com>
3537 * config-lang.in (lang_dirs): Add in zlib.
3539 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3541 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3542 operands that make it to RTL.
3544 2001-04-11 Stan Shebs <shebs@apple.com>
3546 Add Darwin (Mac OS X kernel) native support.
3547 * config.gcc (powerpc-*-darwin*): Add native bits.
3548 * config/darwin.c: New file, generic Darwin support functions.
3549 * config/darwin.h: New file, generic Darwin definitions.
3550 * config/darwin-protos.h: New file, generic Darwin prototypes.
3551 * rs6000/darwin.h: New file, Darwin for PowerPC.
3552 * rs6000/t-darwin: New file, Darwin makefile fragment.
3553 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3554 (TARGET_MACHO): Ditto.
3555 (rs6000_abi): Add ABI_DARWIN.
3556 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3557 (RS6000_SAVE_AREA): Ditto.
3558 (FP_ARG_MAX_REG): Ditto.
3559 (RETURN_ADDRESS_OFFSET): Ditto.
3560 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3562 (rs6000_emit_move): Add ABI_DARWIN cases.
3563 (print_operand): Ditto.
3564 (first_reg_to_save): Ditto.
3565 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3566 (debug_stack_info): Ditto.
3567 (rs6000_emit_prologue): Ditto.
3568 (rs6000_emit_epilogue): Ditto.
3569 (output_profiler_hook): Ditto.
3570 (output_function_profiler): Ditto.
3571 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3572 (output_mi_thunk): Add TARGET_MACHO case.
3573 (add_compiler_stub): Ditto.
3574 (output_compiler_stub): Ditto.
3575 (no_previous_def): Ditto.
3576 (output_call): Ditto.
3577 (machopic_output_stub): Ditto.
3578 (rs6000_machopic_legitimize_pic_address): Ditto.
3579 (toc_section): Ditto.
3580 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3581 (macho_high): Ditto.
3584 (load_macho_picbase): Ditto.
3585 (call): Add TARGET_MACHO case to modify function.
3586 (call_value): Ditto.
3587 (call_nonlocal_sysv): Add ABI_DARWIN case.
3588 (call_value_nonlocal_sysv): Ditto.
3589 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3591 (machopic_output_stub): Ditto.
3592 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3594 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3596 * dwarf2out.c (modified_type_die): Don't create new types here.
3597 * tree.h (get_qualified_type): New function.
3598 (build_qualified_type): Adjust comment.
3599 * tree.c (get_qualified_type): New function.
3600 (build_qualified_type): Use it.
3602 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * cpp.texi (-Wtraditional): Update description.
3606 * invoke.texi (-Wtraditional): Likewise.
3608 2001-04-11 Jim Wilson <wilson@redhat.com>
3610 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3611 requires more than 64 bits of alignment.
3613 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3615 * cpplib.c (do_line): Sanity check iff enable checking.
3617 2001-04-11 Richard Henderson <rth@redhat.com>
3619 * Makefile.in (insn-recog.o): Depend on toplev.h.
3620 (insn-emit.o, doloop.o): Likewise.
3621 * genrecog.c, genemit.c: Include toplev.h in generated file.
3622 * doloop.c: Include toplev.h.
3624 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3626 * Makefile.in (gcse.o): Depend on params.h.
3627 * gcse.c: Include params.h.
3628 (gcse_main): Don't do GCSE if doing so will take inordinate
3630 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3631 * params.h (MAX_GCSE_MEMORY): New macro.
3633 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3635 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3637 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3639 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3641 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3643 * real.h (ereal_atof, real_value_truncate, target_isnan,
3644 target_isinf, target_negative, assemble_real, debug_real): Delete
3645 redundant prototypes.
3647 * Makefile.in (ifcvt.o): Depend on toplev.h.
3649 * c-semantics.c: Include expr.h.
3651 * ifcvt.c: Include toplev.h.
3653 * expr.h (rtx_equal_p): Delete prototype.
3655 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3656 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3657 eliminate_constant_term, expand_complex_abs, find_single_use,
3658 make_tree, init_expr_once, init_optabs, supports_one_only):
3661 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3662 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3663 expand_assignment, store_expr, emit_line_note_after,
3664 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3666 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3668 * sparc-protos.h: Delete redundant prototypes.
3670 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3672 * reload.c (push_reload): Add condition missed in SUBREG byte
3675 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3677 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3679 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3681 * i386.md (floatsisf_sse): Fix output template
3682 * i386.c (ix86_expand_fp_movcc)
3684 * reg-stack.c (emit_pop_insn): Handle complex modes.
3685 (move_for_stack_reg): Emit proper move mode.
3686 (subst_stack_regs_pat): Handle complex modes.
3688 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3690 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3692 2001-04-10 Richard Henderson <rth@redhat.com>
3694 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3695 (__pure_virtual, __terminate, __terminate_set_func,
3696 __default_terminate, __throw_type_match, __empty,
3697 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3698 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3699 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3700 Remove prototypes of deleted functions.
3702 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3704 * c-typeck.c (convert_arguments): -Wtraditional now activates
3705 -Wconversion warnings, except for changes in signed-ness.
3706 Detect complex<->int & int<->complex conversions as well.
3708 * invoke.texi (-Wtraditional): Document it.
3710 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3712 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3713 * flow.c (set_block_for_new_insns): Remove needless cast and
3714 properly check for unset block number.
3716 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3718 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3719 the subreg was a hard register. Pseudos are left as subregs.
3721 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3723 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3724 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3725 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3726 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3727 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3729 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3731 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3733 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3735 * output.h (set_block_num): Missed it earlier, remove deprecated
3738 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3740 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3741 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3742 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3743 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3744 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3745 (expr_killed_p): Change bb parameter from int to basic_block, pass
3746 basic_blocks instead of ints as parameters.
3747 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3748 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3749 from int to basic_block, pass basic_blocks instead of ints as parms.
3750 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3751 parameter from int to basic_block, pass basic_blocks instead of ints.
3752 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3753 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3754 pass basic_blocks instead of ints.
3755 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3756 basic_blocks instead of ints as parameters.
3757 (pre_delete): Pass basic_blocks instead of ints as parameters.
3758 (hoist_expr_reaches_here_p): Change bb parameter from int to
3759 basic_block, pass basic_blocks instead of ints.
3760 (hoist_code): Pass basic_blocks instead of ints as parameters.
3761 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3762 Change bb parameter from int to basic_block.
3763 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3764 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3765 pass basic_blocks instead of ints.
3766 (insert_store): Pass basic_blocks instead of ints as parameters.
3767 (replace_store_insn, delete_store): Change bb parameter from int to
3768 basic_block, pass basic_blocks instead of ints.
3769 (store_motion): Pass basic_blocks instead of ints as parameters.
3771 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3773 * basic-block.h (set_new_block_for_insns): New Prototype.
3774 (set_block_num): Delete prototype.
3775 * flow.c (set_block_num): Remove obsolete function.
3776 (set_block_for_new_insns): Set BB for single or multiple insns.
3777 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3778 (process_insn_end_bb): Use set_block_for_new_insns or
3779 set_block_for_insn instead of set_block_num.
3780 (pre_insert_copy_insn): Use set_block_for_new_insns.
3781 (update_ld_motion_stores): Use set_block_for_new_insns.
3782 (insert_insn_start_bb): Use set_block_for_new_insns.
3783 (replace_store_insn): Use set_block_for_new_insns.
3785 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3786 Jeff Law <law@redhat.com>
3788 * alias.c (get_addr): Externalize.
3789 (canon_true_dependence): New function. Behaves like true_dependance
3790 except it already assumes a MEM has been canonicalized.
3791 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3792 * gcse.c (struct ls_expr): Add load/store expressions structure.
3793 (modify_mem_list, canon_modify_mem_list): New variable.
3794 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3795 load motion and store motion if requested.
3796 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3797 (free_gcse_mem): Free the modify_mem_list array.
3798 (oprs_unchanged_p): Use load_killed_in_block_p.
3799 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3800 (mems_conflict_for_gcse_p): New function. Don't kill loads
3801 with stores to themselves if its in the load/store expression list.
3802 (load_killed_in_block_p): New function.
3803 (canon_list_insert): New Function.
3804 (record_last_mem_set_info): Keep a list of all instructions which
3805 can modify memory for each basic block.
3806 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3807 (oprs_not_set_p): Use load_killed_in_block_p.
3808 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3809 (expr_killed_p): Use load_killed_in_block_p.
3810 (compute_transp): Do not pessimize memory references.
3811 (pre_edge_insert): Update stores for a load motion expression.
3812 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3813 (ldst_entry): Find or create a ldst_expr structure.
3814 (free_ldst_entry): Free memory for an individual item.
3815 (free_ldst_mems): Free entire load/store expression list.
3816 (print_ldst_list): Print debug info.
3817 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3818 (enumerate_ldsts): Assign integer values to each entry in list.
3819 (first_ls_expr): First expression in the list.
3820 (next_ls_expr): Next expression in the list.
3821 (simple_mem): Check if expression qualifies for ld/st expression list.
3822 (invalidate_any_buried_refs): Remove from expression list if its
3823 used in some other way we dont understand.
3824 (compute_ld_motion_mems): Find all potential enhanced load motion
3826 (trim_ld_motion_mems): Remove any expressions which are invalid.
3827 (update_ld_motion_stores): Copy store values to registers for loads
3828 which have been moved.
3829 (regvec, st_antloc, num_store): New global statics.
3830 (reg_set_info): Marks registers as set.
3831 (store_ops_ok): Verfies registers expressions are valid in a block.
3832 (find_moveable_store): Look for moveable stores in a pattern.
3833 (compute_store_table): Find stores in a function worth moving, maybe.
3834 (load_kills_store): Check dependance of a load and store.
3835 (find_loads): Find any loads in a pattern.
3836 (store_killed_in_insn): Check if a store is killed in an insn.
3837 (store_killed_after): Check is store killed after an insn in a block.
3838 (store_killed_before): Check is store killed before an insn in a block.
3839 (build_store_vectors): Generate the antic and avail vectors.
3840 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3841 (insert_store): Add a store to an edge.
3842 (replace_store_insn): Replace a store with a SET insn.
3843 (delete_store): Delete a store insn.
3844 (free_store_memory): Free memory.
3845 (store_motion): Perform store motion.
3846 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3847 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3848 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3849 (f_options): Add gcse-lm and gcse-sm.
3851 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3853 * i386.c (expand_fp_movcc): Fix condition reversal code.
3855 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3856 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3857 (CLASS_MAX_NREGS): Use it.
3859 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3860 handle properly complex values.
3861 (CLASS_MAX_NREGS): Likewise; update comment.
3863 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3865 * ia64.c (ia64_flag_schedule_insns2): New variable.
3866 (ia64_override_options): Initialize it. Clear
3867 flag_schedule_insns_after_reload.
3868 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3870 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3872 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3873 Do not require source to match destination anymore;
3874 Add abort to the nontrivial cases that should be handled by split.
3875 (fix_trunc?fdi): Add SSE case for x86_64.
3876 (floatdi?f): Likewise.
3877 (floatdi?f_sse): New.
3878 (fix_trunc?fdi_sse): New.
3880 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3882 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3883 (DEBUG_ARANGES_END_LABEL): Ditto.
3884 (dwarfout_init): Generate length and version fields at the start
3885 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3886 after the length field.
3887 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3888 the .debug_aranges info.
3890 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3892 * i386.c (call, call_value): Make sure that resulting call_insn
3893 does have proper second operand.
3895 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3897 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3898 function. Remove include of sys/cygwin.h.
3900 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3902 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3903 (CPP_SPEC): Always search */include/w32api for header files.
3904 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3905 (LINK_SPEC): Add "cyg" to the library search prefixes.
3907 2001-04-08 Philip Blundell <philb@gnu.org>
3909 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3911 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3913 * cpperror.c (print_location): Don't special case <stdin>.
3914 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3915 WARNING, but we don't check if we're in system headers.
3916 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3917 * cpplib.c (do_warning): Warn in system headers.
3919 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3921 * mbchar.c: Include config.h first.
3923 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3925 * config.gcc: Set default for xmake_file at top, not bottom.
3926 Change places that set xmake_file to "none" to set to the
3927 empty string instead, or remove them entirely if there is no
3928 default xmake_file for this cpu_type. Remove references to
3931 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3932 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3933 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3934 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3935 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3936 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3937 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3938 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3939 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3940 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3943 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3944 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3945 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3946 config/mips/x-sysv, config/rs6000/x-aix31:
3947 Just set CLIB to -lld or -lmld, as appropriate.
3949 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3950 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3951 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3952 config/mips/x-iris, config/pa/x-pa:
3953 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3954 OTHER_FIXINCLUDES_DIRS.
3956 * config/i386/x-djgpp: Don't set LN or LN_S.
3957 * config/m88k/x-dolph: Don't define __m88k__.
3958 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3959 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3960 * config/i860/fx2800.h: No need to #undef SVR4.
3962 38 x-host fragments remain, 2 x-cpu.
3964 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3966 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3968 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3970 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3972 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * configure.in: Add check for lstat.
3975 * configure, config.in: Regenerate.
3976 * cppinit.c (append_include_chain): Make empty path ".".
3977 * cpplib.c (do_line): Don't simplify #line paths.
3978 * cppfiles.c (remove_component_p): New function.
3979 (find_or_create_entry): Acknowledge stat () errors during
3980 path simplification.
3981 (handle_missing_header): Don't simplify paths.
3982 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3983 the empty path untouched. Don't leave a trailing '/'.
3985 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3987 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3988 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3990 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3992 * cppfiles.c (open_file): Fail directories silently, but
3993 with an errno of NOENT set.
3994 (read_include_file): Move the common exit code to the sole
3995 caller. Return an int indicating success or failure. Let
3996 open_file handle directories.
3997 (stack_include_file): If read_include_file fails,
3998 push a "null" buffer.
4000 2001-04-05 DJ Delorie <dj@redhat.com>
4002 * function.h (virtuals_instantiated): Declare.
4003 * function.c: (virtuals_instantiated): Make global.
4004 * calls.c (emit_library_call_value_1): Use
4005 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4006 Otherwise, use the stack pointer directly.
4008 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4010 * i386.c (x86_initialize_trampoline): New global function.
4011 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4012 (INITIALIZE_TRAMPOLINE): Move offline.
4013 * i386-protos.h (x86_initialize_trampoline): Declare.
4015 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4017 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4018 (lea_0): Rename to lea_1.
4019 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4020 (lea_general_?): Allow SImodes on TARGET_64BIT
4021 (lea_general_?_zext): New patterns.
4022 (call_1, call_1_rex64): Fix.
4024 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4026 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4028 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4030 * i386.c (function_arg): Return constm1_rtx for last argument.
4031 (ix86_expand_prologue): Update gen_call calls.
4032 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4033 * i386.md (call_pop): Likewise.
4034 (call): Second operand is VOIDmode.
4035 (call_0): Likewise; Support 64bits.
4036 (call_exp): New expander.
4037 (call_1): Get to the sync.
4038 (call_1_exp): New pattern.
4039 (call_value): Support 64bit.
4040 (call_value_exp): New pattern.
4041 (untyped_call): Update gen_call call.
4042 (call_value_pop): Disable for 64bit.
4043 (call_value_0_rex64): New pattern.
4044 (call_value_1_rex64): Likewise.
4046 2001-04-05 Bo Thorsen <bo@suse.de>
4048 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4050 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4052 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4053 satisfies ANY_QI_REG_P.
4055 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4057 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4060 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4063 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4065 * config.gcc: Remove default for xm_file. Clean up local
4066 machine type handling. Remove settings of xm_file to
4067 something that doesn't exist. In the big switch, set xm_file,
4068 don't append to it (the value before the big switch is always
4069 null). Don't force build_xm_file or host_xm_file to have a value.
4070 * configure.in: Remove default for xm_file. Do not special
4071 case $cpu/xm-$cpu.h not existing.
4072 * configure: Regenerate.
4074 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4076 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4077 when folding integer division and modulo operations.
4079 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4081 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4082 instead of DWARF2_ADDR_SIZE for EH addresses.
4083 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4086 2001-04-04 Richard Henderson <rth@redhat.com>
4088 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4089 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4090 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4092 2001-04-04 Richard Henderson <rth@redhat.com>
4094 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4095 * configure: Rebuilt.
4097 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4099 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4100 push insns to delete to it instead of deleting them.
4101 (delete_null_pointer_checks): Delete insns from delete_list after
4102 all delete_null_pointer_checks_1 passes are done.
4104 2001-04-04 Richard Henderson <rth@redhat.com>
4106 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4107 * configure: Rebuilt.
4109 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4111 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4112 * config/romp/xm-romp.h: Delete.
4114 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4116 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4119 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4121 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4122 all labels present in rtx.
4123 (try_split) Call new function for all split insns.
4125 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4127 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4128 sure the change won't be validated.
4130 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4132 * rtl.h (set_noop_p): Declare.
4133 * flow.c (set_noop_p): Move from here ...
4134 * rtlanal.c (set_noop_p): ... to here and enhance.
4135 * cse.c (delete_trivially_dead_insns): Use it.
4136 * gcse.c (hash_scan_set): Likewise.
4137 * jump.c (delete_noop_moves): Likewise.
4138 * recog.c (split_all_insns): Likewise.
4140 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4142 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4143 stack pointer via a LO_SUM. Ditto for setting a temp register
4144 used to save to the stack. Set cfa_temp when setting fp, and
4145 allow matches to cfa_temp in addition to cfa_store when saving
4146 regs. Handle POST_INC and LO_SUM register stores. Document the
4147 changes and errors in rule 12 doco.
4149 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4150 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4151 (load_reg): Move closer to epilogue code.
4152 (DO_FRAME_NOTES): Define to control the following..
4153 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4154 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4156 (hppa_expand_epilogue): Likewise.
4158 2001-04-03 Richard Henderson <rth@redhat.com>
4160 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4161 * configure: Rebuild.
4163 2001-04-03 Richard Henderson <rth@redhat.com>
4165 * rtl.h (LCT_THROW): New.
4166 * calls.c (emit_library_call_value_1): Handle it.
4167 * except.c (connect_post_landing_pads): Use it.
4169 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4171 * gansidecl.h: Delete file.
4172 * configure.in: Change all refs to gansidecl.h to use
4173 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4175 * configure: Regenerate.
4177 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4178 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4179 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4180 Don't include gansidecl.h.
4181 * intl.c, main.c, version.c, fixinc/fixlib.h,
4182 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4185 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4187 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4190 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4192 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4193 config/i386/xm-next.h, config/i386/xm-sco.h,
4194 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4195 config/m88k/xm-m88k.h: Delete.
4197 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4198 * config/romp/xm-romp.h: Don't define bcopy.
4199 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4200 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4202 * config.gcc: Remove references to deleted files.
4204 14 xm-host.h remain, 1 xm-cpu.h.
4206 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4207 David S. Miller <davem@pierdol.cobaltmicro.com>
4208 Andrew MacLeod <amacleod@redhat.com>
4210 Use byte offsets in SUBREGs instead of words.
4212 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4213 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4214 to pass new argument.
4215 (add_stored_regs): Use subreg_regno_offset function.
4216 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4218 (precompute_arguments): Use gen_lowpart_SUBREG.
4219 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4220 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4221 (simplify_set): Rework to use SUBREG_BYTE.
4222 (expand_field_assignment): Use SUBREG_BYTE.
4223 (make_extraction): Use SUBREG_BYTE.
4224 (if_then_else_cond): Use SUBREG_BYTE.
4225 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4226 (gen_lowpart_for_combine): Compute full byte offset.
4227 * cse.c (mention_regs): Use SUBREG_BYTE.
4228 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4229 (canon_hash): Use SUBREG_BYTE.
4230 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4231 (gen_lowpart_if_possible): Formatting.
4232 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4234 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4235 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4236 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4237 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4238 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4239 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4240 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4241 certain invariants about SUBREGs the compiler creates.
4242 (gen_lowpart_SUBREG): New function.
4243 (subreg_hard_regno): New function to get the final register number.
4244 (gen_lowpart_common): Use SUBREG_BYTE.
4245 (gen_imagpart): Spacing nits.
4246 (subreg_realpart_p): Use SUBREG_BYTE.
4247 (gen_highpart): Use SUBREG_BYTE.
4248 (subreg_lowpart_p): Always compute endian corrected goal offset,
4249 even at the byte level, then compare against that.
4250 (constant_subword): New function, pulled out all constant cases
4251 from operand_subword and changed second argument name to offset.
4252 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4253 and call constant_subword to do the work. Return const0_rtx if
4254 looking for a word outside of OP.
4255 (operand_subword_force): Change second arg name to offset.
4256 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4257 (store_split_bit_field): Use SUBREG_BYTE.
4258 (extract_bit_field): Use SUBREG_BYTE.
4259 (extract_split_bit_field): Use SUBREG_BYTE.
4260 (expand_shift): Use SUBREG_BYTE.
4261 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4262 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4263 * flow.c (set_noop_p): Use SUBREG_BYTE.
4264 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4265 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4266 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4268 (optimize_bit_field): Use SUBREG_BYTE.
4269 (purge_addressof_1): Use SUBREG_BYTE.
4270 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4271 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4272 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4273 * gengenrtl.c (special_rtx): Add SUBREG.
4274 * global.c (mark_reg_store): Use SUBREG_BYTE.
4275 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4276 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4277 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4278 final byte offset is congruent to subreg's mode size.
4279 (subst_constants): Use SUBREG_BYTE.
4280 (mark_stores): Use subreg_regno_offset function.
4281 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4282 function and SUBREG_BYTE.
4283 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4284 (reg_is_born): Use subreg_hard_regno.
4285 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4286 endian correction code. Don't combine subregs unless resulting
4287 offset aligns with type. Fix subreg constant extraction for DImode.
4288 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4289 (general_operand): Remove dead mode_altering_drug code.
4290 (indirect_operand): Use SUBREG_BYTE.
4291 (constrain_operands): Use subreg_regno_offset function.
4292 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4293 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4294 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4295 * regs.h (REG_SIZE): Allow target to override.
4296 (REGMODE_NATURAL_SIZE): New macro which target can override.
4297 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4298 on the entire subreg rtx.
4299 (push_reload): Use SUBREG_BYTE in comments and code.
4300 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4301 for hard registers inside subregs.
4302 (operands_match_p): Use subreg_regno_offset.
4303 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4304 containing hard regs.
4305 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4306 corrections when fixing up MEM subregs.
4307 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4308 subreg_regno_offset where appropriate.
4309 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4310 byte endian corrections when fixing up MEM subregs.
4311 (subst_reloads): When combining two subregs, make sure final
4312 offset is congruent to subreg's mode size.
4313 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4314 (refers_to_regno_for_reload_p): Use subreg_regno.
4315 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4316 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4317 correction code for memory subreg fixups.
4318 (forget_old_reload_1): Use subreg_regno_offset.
4319 (choose_reload_regs): Use subreg_regno.
4320 (emit_input_reload_insns): Use SUBREG_BYTE.
4321 (reload_combine_note_store): Use subreg_regno_offset.
4322 (move2add_note_store): Use subreg_regno_offset.
4323 * resource.c (update_live_status, mark_referenced_resources): Use
4324 subreg_regno function.
4325 (mark_set_resources): Use subreg_regno function.
4326 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4327 (subreg_regno_offset, subreg_regno): Define prototypes.
4328 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4329 (gen_lowpart_SUBREG): Add prototype.
4330 * rtl.texi (subreg): Update to reflect new byte offset representation.
4331 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4332 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4333 (reg_overlap_mentioned_p): Use subreg_regno.
4334 (replace_regs); Make sure final offset of combined subreg is
4335 congruent to size of subreg's mode.
4336 (subreg_regno_offset): New function.
4337 (subreg_regno): New function.
4338 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4339 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4340 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4341 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4342 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4343 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4344 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4345 (print_operand): Use SUBREG_BYTE.
4346 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4347 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4348 (arm_reload_out_hi): Use SUBREG_BYTE.
4349 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4350 instead of SUBREG_WORD.
4351 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4352 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4353 SUBREG creation to use byte offset.
4354 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4355 inverted load insns): Fix explicit rtl subregs to use byte
4357 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4358 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4359 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4360 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4361 to use byte offsets.
4362 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4363 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4364 offsets, also make sure it is congruent to SUBREG's mode size.
4365 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4366 unnamed ldob insn): Generate SUBREGs with byte offset.
4367 (zero_extendqihi2): SUBREG's are byte offsets.
4368 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4369 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4370 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4371 zero-extendqisi2): Generate SUBREGs with byte offset.
4372 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4373 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4374 subregs in rtl to use byte offsets.
4375 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4376 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4377 (mips_move_2words): Use subreg_regno_offset.
4378 (mips_secondary_reload_class): Use subreg_regno_offset.
4379 * config/mips/mips.md (DImode plus, minus, move, and logical op
4380 splits): Fixup explicit subregs in rtl to use byte offsets.
4381 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4382 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4383 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4384 rtl to use byte offsets.
4385 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4386 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4387 subregs to use byte offsets.
4388 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4389 Fixup explicit subregs in rtl to use byte offsets.
4390 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4391 and remove byte endian correction code.
4392 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4393 (gen_ashift_hi): Use SUBREG_BYTE.
4394 (regs_used): Use subreg_regno_offset.
4395 (machine_dependent_reorg): Use subreg_regno_offset.
4396 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4397 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4398 (movdf_i4): Subregs are byte offsets now.
4399 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4400 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4401 (REGMODE_NATURAL_SIZE): Override.
4402 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4403 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4405 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4406 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4407 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4408 it is congruent to SUBREG's mode size.
4409 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4411 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4412 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4413 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4414 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4415 * config/v850/v850.c (print_operand, output_move_double): Use
4416 subreg_regno function.
4418 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4420 * configure.in (target_subdir): Use target_alias, not target.
4421 * configure: Rebuilt.
4423 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4425 * config/sh/crti.asm: Fix typos in comments.
4427 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4429 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4430 TARGET_FAST_INDIRECT_CALLS.
4431 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4433 (return_addr_rtx): Short circuit export stub matching when
4434 TARGET_NO_SPACE_REGS.
4435 (output_millicode_call): For out of range calls, make -fPIC
4436 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4437 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4438 * pa.md: Modify length attr calculation of all millicode insns to
4441 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4443 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4444 Require at least 2.11 in the version test. Specifically check
4445 for and reject GAS version 2.10.90.
4446 * configure: regenerate.
4448 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4450 * pa.c (override_options): Remove PIC profiling warning.
4451 (hp_profile_labelno): Delete.
4452 (hp_profile_label_rtx): Delete.
4453 (hp_profile_label_name): Delete.
4454 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4455 (output_function_prologue): Remove profiling code and all tests on
4456 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4457 merge_sp_adjust_with_store can work for PIC and profiling.
4458 (hppa_expand_epilogue): Remove profile_flag test.
4459 (hppa_can_use_return_insn_p): Likewise.
4460 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4461 cater for PROFILE_HOOK.
4462 (hppa_profile_hook): New function.
4463 * pa.h (FUNCTION_PROFILER): Now does nothing.
4464 (PROFILE_HOOK): Define.
4465 (hppa_profile_hook): Declare.
4466 (PROFILE_BEFORE_PROLOGUE): Delete.
4467 (ASM_OUTPUT_REG_PUSH): Delete.
4468 (ASM_OUTPUT_REG_POP): Delete.
4469 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4470 r24. Accept function name operand, and use this and a locally
4471 generated label to calculate pc-rel offset to func start.
4473 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4475 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4476 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4479 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4481 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4482 LO_SUM cases to where they belong.
4484 2001-04-02 Richard Henderson <rth@redhat.com>
4486 * except.h (lang_eh_type_covers): Mark extern.
4487 (lang_eh_runtime_type): Likewise.
4489 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4491 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4492 gengenrtl.c: Wrap generated header in multiple-include guard.
4493 Improve error checking.
4495 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * configure.in: Don't check for putenv.
4498 * configure: Regenerate.
4499 * gcc.c (putenv): Don't define.
4500 * vax/xm-vms.h: Handle putenv.
4502 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4504 * ifcvt.c (noce_emit_move_insn): New.
4505 (noce_try_store_flag, noce_try_store_flag_constants,
4506 noce_try_store_flag_inc, noce_try_store_flag_mask,
4507 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4508 noce_try_abs): Use it.
4509 (noce_process_if_block): Likewise.
4510 For STRICT_LOW_PART, take mode from its SUBREG.
4512 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4514 * fold-const.c (fold): Before optimizing unsigned comparison with
4515 0x7fffffffU, make sure arg0 is integral type.
4517 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4519 * c-tree.texi: Document representation of wide strings.
4521 2001-04-01 Richard Henderson <rth@redhat.com>
4523 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4525 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4527 * i386.md: remove obsoleted comments.
4528 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4529 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4530 fix output template.
4532 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4534 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4536 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4538 * loop.c (load_mems): When generating a load from a pseudo, update
4541 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4543 * i386.c (ix86_split_long_move): Use change address to compensate
4544 stack pointer change in push instruction.
4546 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4548 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4549 instead of rtx_equal_p; fix the output template.
4551 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4553 * i386.c (ix86_expand_setcc): Support 64bit.
4554 (ix86_expand_int_movcc): Likewise.
4555 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4558 * i386.md (allocate_stack_worker): Turn to expander.
4559 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4561 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4563 2001-03-29 Richard Henderson <rth@redhat.com>
4565 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4567 2001-03-28 Matthew Hiller <hiller@redhat.com>
4569 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4572 * MAINTAINERS: Added self.
4574 2001-03-28 Richard Henderson <rth@redhat.com>
4576 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4577 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4579 2001-03-28 Jim Wilson <wilson@redhat.com>
4581 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4584 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4586 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4588 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4591 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4593 2001-03-28 DJ Delorie <dj@redhat.com>
4595 * Makefile.in (stage1_build): Revert CFLAGS patch.
4597 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4599 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4600 when multiplier or multiplicand is zero.
4602 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4604 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4606 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4608 (set_src_needs_barrier): Likewise.
4609 (rtx_needs_barrier): For SET case, use these two functions. Rework
4610 PARALLEL case to handle all inputs before all outputs.
4611 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4612 saw a label and no stop bit since then.
4613 (maybe_rotate, process_epilogue): Add prototypes.
4615 2001-03-28 Richard Henderson <rth@redhat.com>
4617 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4618 not TARGET_TOC for special toc restore handling.
4619 * config/rs6000/rs6000.md (eh_return): Likewise.
4621 2001-03-28 Richard Henderson <rth@redhat.com>
4623 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4624 current_function_calls_eh_return.
4625 (output_function_epilogue): Handle eh_return.
4626 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4627 (EH_RETURN_DATA_REGNO): New.
4628 (EH_RETURN_STACKADJ_RTX): New.
4629 (EH_RETURN_HANDLER_RTX): New.
4630 * config/sparc/sparc.md (call/short branch peepholes): Check
4631 can_throw_internal instead of in_same_eh_region.
4633 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4634 for eh_return data registers.
4635 (rs6000_emit_prologue): Save eh_return data registers.
4636 (rs6000_emit_epilogue): Force inline restores if eh_return.
4637 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4638 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4639 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4640 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4641 the target uses one.
4642 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4643 (return_eh_si, return_eh_di): Remove.
4644 (eh_return): New, from corpse of eh_epilogue.
4645 (eh_set_lr_si, eh_set_lr_di): New.
4647 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4648 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4649 True for pic register if current_function_calls_eh_return.
4650 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4651 Handle eh_return requirements.
4652 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4653 (EH_RETURN_STACKADJ_RTX): New.
4654 * config/i386/i386.md (exception_receiver): Remove.
4655 (eh_return, eh_return_1): New.
4656 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4658 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4659 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4660 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4661 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4662 (EH_RETURN_DATA_REGNO): New.
4663 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4664 * config/alpha/alpha.md (eh_epilogue): Remove.
4665 (exception_receiver): Use $26 for ldgp input.
4666 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4668 2001-03-28 Richard Henderson <rth@redhat.com>
4670 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4671 * except.h: Likewise.
4673 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4674 (LIB2ADDEHDEP): New.
4675 (LIB2FUNCS_EH): Remove.
4676 (LIB2ADD): Remove LIB2ADDEH.
4677 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4678 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4679 (crt{begin,end}[S].o): Likewise.
4680 (except.o): Update includes.
4681 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4682 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4684 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4685 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4686 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4687 * builtins.c (expand_builtin): Implement it.
4688 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4689 * c-common.c (c_common_nodes_and_builtins): Declare it.
4690 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4691 * calls.c (libfunc_nothrow): Remove.
4692 (emit_library_call_value_1): Don't call it.
4693 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4694 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4695 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4696 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4697 (current_funcdef_number): Globalize.
4698 (output_call_frame_info): Emit frame data if an lsda is needed.
4699 Generate augmentation for personality routine. Don't play with
4701 (dwarf2out_begin_prologue): Record funcdef_number.
4702 * dwarf2out.h (current_funcdef_number): Declare.
4703 * expr.c (expand_expr): Update for except.h name changes.
4704 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4705 * expr.h (LTI_throw, LTI_rethrow): Remove.
4706 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4707 (LTI_eh_rtime_match): Remove.
4708 (LTI_unwind_resume, LTI_eh_personality): Add.
4709 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4710 * final.c (final): Don't call check_exception_handler_labels,
4711 init_insn_eh_region, or free_insn_eh_region.
4712 (final_scan_insn): Always emit debug labels for
4713 NOTE_INSN_EH_REGION notes.
4714 * flags.h (flag_new_exceptions): Remove.
4715 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4716 (record_active_eh_regions): Remove.
4717 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4718 Use can_throw_internal.
4719 (find_basic_blocks_1): Likewise.
4720 (move_stray_eh_region_notes): Remove.
4721 (find_label_refs): No eh_return_stub_label.
4722 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4723 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4725 (delete_unreachable_blocks): Don't track deleted handlers.
4726 (flow_delete_block): Use maybe_remove_eh_handler.
4727 (delete_eh_regions): Remove.
4728 (merge_blocks): Don't check for eh region match.
4729 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4730 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4731 (init_propagate_block_info): Disable dead frame store optimization
4732 when current_function_calls_eh_return.
4733 (dump_bb): Don't print eh_beg, eh_end.
4734 * function.c (fixup_var_refs): No catch_clauses.
4735 (expand_function_end): Likewise. Call expand_eh_return before
4736 the return register use. Call sjlj_emit_function_exit_after.
4737 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4738 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4739 * ifcvt.c (dead_or_predicable): Remove eh region check.
4740 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4741 Don't check for EH vs parameters.
4742 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4743 (expand_inline_function): Call duplicate_eh_regions.
4744 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4745 (copy_insn_notes): Remap REG_EH_REGION notes.
4746 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4747 * integrate.h (struct inline_remap): Add local_return_label.
4748 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4749 check_exception_handler_labels, nor exception_optimize.
4750 (find_cross_jump): No EH region check.
4751 * optabs.c (init_optabs): Update for changed eh libfuncs.
4752 * rtl.def (RESX): New.
4753 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4754 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4755 checks. Update for except.h name changes.
4756 (expand_cleanups): Likewise.
4757 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4758 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4759 (compile_file): Call init_eh before init_optabs. Don't
4760 output_exception_table here.
4761 (rest_of_compilation): Call convert_from_eh_region_ranges,
4762 convert_to_eh_region_ranges, output_function_exception_table.
4763 Don't emit_eh_context.
4764 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4765 (EXC_PTR_EXPR): New.
4767 * md.texi (eh_epilogue): Remove.
4768 (eh_return): Document.
4769 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4770 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4772 * eh-common.h: Remove file.
4773 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4774 * libgcc2.c (L_eh): Remove.
4776 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4777 * unwind-dw2-fde.h: New file.
4778 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4779 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4780 * libgcc-std.ver: Update for eh symbols.
4782 2001-03-27 Richard Henderson <rth@redhat.com>
4784 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4785 reduce false positives.
4786 (regmove_optimize): Disable if flag_non_call_exceptions.
4788 * stmt.c (expand_return): Remove always true predicate.
4789 (expand_decl_cleanup_no_eh): Remove dead code.
4791 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4792 barrier code. Add a scheduling barrier if a non-call insn
4793 can throw internally.
4795 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4796 Auto-inc addresses trap only if their base register does.
4798 * except.c (can_throw_internal): Rename from can_throw.
4799 * except.h, resource.c: Update references.
4801 * integrate.c (copy_insn_list): Use returnjump_p.
4802 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4804 * function.h (struct function): Move all boolean valued fields
4805 to single bit fields at the end of the struct.
4807 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4809 Rename asynchronous_exceptions to flag_non_call_exceptions.
4811 * gthr-single.h (UNUSED): New. Distinguish between how C
4812 and C++ mark unused function arguments. Use throughout.
4814 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4815 value to target configuration header.
4816 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4817 * config.in, configure: Rebuild.
4818 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4819 configuration and target defines.
4820 (exceptions_via_longjmp): Remove.
4821 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4822 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4824 * except.h (flag_non_call_exceptions): Move ...
4825 * flags.h: ... here.
4827 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4828 exceptions, put the note on the trapping instruction.
4830 * flags.h (flag_new_exceptions): Remove.
4831 * toplev.c: Don't set it.
4832 * final.c: Don't check it.
4833 * except.c: Provide stub definition.
4835 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4836 (calculate_global_regs_live): Kill call-clobbered registers
4837 across exception edges.
4838 * reg-stack.c (convert_regs_1): Kill the entire target stack
4839 across non-call exception edges.
4841 * flow.c (cleanup_cfg): Take no argument.
4842 * output.h, sibcall.c, toplev.c: Update all calls.
4844 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4846 * configure.in: Don't check for bcopy.
4847 * configure, config.in: Regenerate.
4849 * system.h: Don't define or prototype bcopy, instead poison it.
4851 2001-03-27 Richard Henderson <rth@redhat.com>
4853 * function.c (expand_function_start): Set DECL_REGISTER on
4854 a pseudo used for DECL_RESULT.
4856 * rtl.h (LCT_NORETURN): New.
4857 * calls.c (emit_library_call_value_1): Handle it.
4859 2001-03-27 Stan Shebs <shebs@apple.com>
4861 * objc/objc-act.c (objc_init): Use dump_base_name.
4862 (gen_declaration): Clear the buffer arg.
4863 (gen_declaration_1): New function, body of gen_declaration.
4864 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4865 (gen_method_decl): Ditto, plus always clear buffer arg.
4866 (error_with_ivar): Simplify.
4867 (warn_with_method): Ditto.
4868 (build_message_expr): Don't clear buffers.
4869 (dump_interface): Ditto.
4870 (objc_debug): Ditto.
4871 (build_keyword_selector): Clear the buffer by only zeroing
4873 (objc_implementation_context): Declare.
4874 (start_class): Warn about missing @end.
4875 (finish_objc): Ditto.
4877 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4879 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4881 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4883 * Makefile.in (SYSTEM_H): Define.
4884 Depend on $(SYSTEM_H), not system.h.
4886 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4888 2001-03-27 Jim Wilson <wilson@redhat.com>
4890 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4892 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4893 (process_epilogue): New static function.
4894 (process_set): Call process_epilogue instead of emitting .restore
4896 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4898 * flow.c (struct reg_cond_life_info): New fields orig_condition
4900 (init_propagate_block_info): Set new fields.
4901 (mark_regno_cond_dead): Set and use new fields.
4902 (flush_reg_cond_reg_1): Likewise.
4903 (and_reg_cond, case AND): Check for redundant AND conditions.
4904 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4907 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4909 * cppmacro.c (stringify_arg): Null terminate strings.
4911 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4913 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4914 inclusion style. xm-m68hc11.h no longer exists.
4915 * config/m68hc11/xm-m68hc11.h: Delete file.
4916 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4918 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4919 Don't define GCC_VERSION, N_, or PARAMS; don't include
4920 gansidecl.h or stdio.h. Define inhibit_libc here.
4921 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4922 Delete code conditioned on #if GCC_VERSION == 2095.
4924 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4925 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4926 Delete code conditioned on #if GCC_VERSION == 2095.
4928 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4930 * system.h: Include symcat.h.
4931 (STRINGIFY): Don't define.
4933 * configure.in: Adjust comment.
4935 * builtins.c: Use STRINGX, not STRINGIFY.
4936 * gencheck.c: Likewise.
4937 * gengenrtl.c: Likewise.
4938 * protoize.c: Likewise.
4940 * cpplex.c: Don't include symcat.h.
4941 * cpplib.c: Likewise.
4943 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4945 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4947 * c-typeck.c (digest_init): Fold init expression.
4949 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4951 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4953 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4955 * except.c (eh_regs): Save results of build_pointer_type to a temp
4956 as FUNCTION_VALUE macro may evaluate its args multiple times.
4958 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4960 * c-common.h (DECL_NUM_STMTS): New macro.
4961 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4963 (pushdecl): Likewise.
4964 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4965 * integrate.c (expand_inline_function): Don't check
4967 * print-tree.c (print_node): Don't print it.
4968 * toplev.c (rest_of_compilation): Don't try to inline when
4969 flag_no_inline is on.
4970 * tree.h (DECL_FRAME_SIZE): Remove.
4971 (tree_decl): Adjust accordingly.
4973 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4975 * combine.c (try_combine): Use memcpy, not bcopy.
4977 * genattrtab.c (expand_units): Likewise.
4979 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4981 * i386.md (push mem DI peep2): New.
4982 (mov 0, mov -1 peep2): Handle 64bit.
4983 (lea to arithmetics peep2): Handle 64bit leas.
4984 (rsp arithmetics to push/pop peep2s): New.
4986 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4988 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4990 * i386.c (struct machine_function): Add save_varrargs_registers.
4991 (ix86_save_varrargs_registers): New macro.
4992 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4993 (ix86_expand_prologue): Likewise.
4994 (ix86_emit_epilogue_esp_adjustement): Likewise.
4995 (ix86_expand_epilogue): Likewise.
4996 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4997 (pro_epilogue_adjust_stack_1): New insn.
4998 (pro_epilogue_adjust_stack_rex64): Likewise.
4999 * i386.h (MASK_NO_RED_ZONE): New constant.
5000 (TARGET_RED_ZONE): New macro.
5001 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5002 (RED_ZONE_SIZE): New constant.
5003 (RED_ZONE_RESERVE): New constant.
5005 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5007 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5009 2001-03-25 Kazu Hirata <kazu@hxi.com>
5011 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5014 (umodhi3): Likewise.
5017 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5019 * mkconfig.sh (DEFINES): Handle entries with '='.
5021 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5022 Set xm_defines to MACRO=value instead.
5024 * i370/xm-mvs.h: Delete.
5026 * ns32k/xm-pc532-min.h: Likewise.
5028 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5030 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5032 use ix86_expand_binary_operator
5033 (?sh??i_?): Disable for 64bit.
5034 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5035 * i386.c (shiftdi_operand): New predicate.
5037 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5038 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5039 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5040 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5041 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5042 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5043 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5044 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5045 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5046 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5047 (rotldi3, rotrdi3): New expanders.
5049 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5051 * i386.md (movstrsi): Move offline.
5053 (strmovdi_rex64): New.
5054 (strmov?i): Accept 64bit.
5055 (strmov?i_rex64): New.
5056 (strmov?i_rex_1): New.
5057 (strmov?i_1): Disable for 64bit.
5058 (rep_mov?i_rex64): New.
5059 (rep_mov?i): Disable for 64bit.
5060 (clrstrsi): Move offline.
5061 (strset?i_rex64): New.
5062 (strset?i: Accept 64bit.
5063 (rep_stos?i): Disable for 64bit.
5064 (rep_stos?i_rex64): New.
5065 (strset?i_rex_1): New.
5066 (strset?i_1): Disable for 64bit.
5067 (cmpstrsi): Accept 64bit.
5068 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5069 (cmpstrqi_nz_rex_1): New.
5070 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5071 (strlensi): Move offline.
5073 (strlenqi_1): Disable for 64bit; fix constraints.
5074 (strlenqi_rex_1): New.
5075 * i386.c (ix86_adjust_counter): New static function.
5076 (ix86_zero_extend_to_Pmode): Likewise.
5077 (ix86_expand_aligntest): Likweise.
5078 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5079 (ix86_expand_movstr): New global function.
5080 (ix86_expand_clrstr): New global function.
5081 (ix86_expand_strlen): New global function.
5082 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5083 ix86_expand_strlen): Declare.
5084 (ix86_expand_strlensi_unroll_1): Delete.
5086 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5088 * i386.md (cmpdi): Fix operand predicates.
5089 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5090 cmpdi_1_insn_rex64): New patterns.
5091 (adddi3): Turn to expander.
5092 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5093 (addsi3_carry_zext): New pattern.
5094 (adddi_?_rex64): New patterns and splitters.
5095 (addsi_?_zext): New patterns.
5096 (subsi3_carry_zext): New pattern.
5097 (subdi_?_rex64): New patterns and splitters.
5098 (iorsi_?_zext): New patterns.
5099 (iordi_?_rex64): New patterns and splitters.
5100 (iorsi_?_zext): New patterns.
5101 (iorsi_?_zext_imm): New patterns.
5102 (xorsi_?_zext): New patterns.
5103 (xordi_?_rex64): New patterns and splitters.
5104 (xorsi_?_zext): New patterns.
5105 (negdi*): New patterns.
5106 (one_cmpldi*): Likewise.
5107 (one_cmplsi*_zext, negsi*_zext): Likewise.
5108 (testqi_ext_3_rex64): New pattern.
5110 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5112 * i386-protos.h (ix86_split_long_move): Return void.
5113 * i386.c (ix86_split_to_parts): Handle 64bit target.
5114 (ix86_split_long_move): Likewise.
5115 * i386.md (all calls to ix86_split_long_move): Update.
5117 2001-03-23 Richard Henderson <rth@redhat.com>
5119 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5120 to avoid shadowing arguments.
5122 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5124 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5125 to variable names where DECL_NAME is different from
5126 DECL_ASSEMBLER_NAME.
5128 2001-03-23 Jim Wilson <wilson@redhat.com>
5130 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5131 (assemble_alias): Call make_decl_rtl.
5133 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5135 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5137 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5139 * extend.texi: Document the "java_interface" attribute.
5141 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5143 * mkconfig.sh: Use a subshell with redirected stdout,
5144 instead of closing stdout and confusing commands that run
5145 afterward. Throw away output of cmp.
5147 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5149 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5151 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5153 * i386.md (zero_extendsidi2_32): Break out from ...
5154 (zero_extendsidi2): ... here ; turn to expander.
5155 (zero_extendsidi2_rex64): New.
5156 (extendsidi2_32): Break out from ...
5157 (extendsidi2): ... here ; turn to expander.
5158 (extendsidi2_rex64): New.
5159 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5160 (trunc?f?f splitters): Add 64bit versions.
5162 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5164 * i386.md (pushsi, pushsi2_prologue): Disable.
5165 (pushsi2_rex64): New.
5166 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5167 (movqi_ext_1): Disable for 64bit.
5168 (movqi_ext_1_rex64): New.
5169 (pushdi2_rex64): New pattern, peep2s and splitter.
5170 (pushdi2_prologue_rex64): New pattern.
5171 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5173 (movdi splitters): Disable for 64bit.
5174 (movdi_1_rex64): New pattern, peep2s and splitters.
5175 (swapdi): New pattern.
5176 (pushsf): Disable for 64bit.
5177 (pushsf_rex64): New pattern and splitter.
5178 (pushdf_nointeger): Disable for 64bit.
5179 (pushdf_integer): Handle the 64bit case.
5180 (pushtf): Likewise; update splitters.
5182 2001-03-22 Richard Henderson <rth@redhat.com>
5184 * mkconfig.sh: Include insn-flags.h.
5185 * Makefile.in (CONFIG_H): Include insn-flags.h.
5186 (lots of objects): Remove insn-codes.h and insn-flags.h.
5188 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5189 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5190 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5191 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5192 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5193 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5194 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5195 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5196 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5197 v850/v850.c, vax/vax.c:
5198 Don't include insn-flags.h.
5200 * diagnostic.c, expr.h, reload.c, toplev.c:
5201 Don't include insn-codes.h.
5203 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5204 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5205 c4x/c4x.c, i960/i960.c, mips/mips.c:
5206 Don't include insn-codes.h or insn-flags.h.
5208 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5209 or insn-flags.h in the generated code.
5210 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5211 (main): Forward declare struct rtx_def.
5213 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5215 * invoke.texi (-ffast-math): Remove duplicate line about
5218 * gcc.texi: Remove more obsolete documentation of bugs and
5219 installation problems.
5221 2001-03-21 Kazu Hirata <kazu@hxi.com>
5223 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5226 2001-03-20 Jason Merrill <jason@redhat.com>
5228 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5230 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5231 * varasm.c (CHKR_PREFIX): Likewise.
5233 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5235 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5236 is part of a multi-SET insn.
5238 * cse.c (find_comparison_args): Remove previous change.
5239 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5242 * config/i386/i386.md (conditional_trap): Remove warning.
5244 * recog.c (push_operand): Fix error in last change that caused
5245 undefined symbol on many targets.
5247 * sdbout.c: #include ggc.h.
5248 (sdbout_init): Move to end of file.
5249 Call ggc_add_tree_root for anonymous_types.
5250 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5251 (sdbout_one_type): Use DECL_NAME for field name.
5252 * Makefile.in (sdbout.o): Show includes ggc.h.
5254 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5256 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5257 (override_options): Use properlimits for preferred_stack_boundary.
5258 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5260 (ext_register_operand): Accept DImode.
5261 (load_pic_register): Abort on 64bit.
5262 (gen_push): Use Pmode instead of SImode.
5263 (ix86_save_reg): Pic reg is never used on 64bit.
5264 (ix86_expand_prologue): Likewise.
5265 (ix86_emit_save_regs): Use Pmode instead of SImode.
5266 (legitimate_address_p): Check displacement for 64bit.
5267 (print_operand): Avoid outputting of (%rip) on 64bit.
5268 (print_operand_address): Output (%rip) where possible.
5269 (split_di): Abort on 64bit registers.
5270 (ix86_expand_branch): DImode comparison is simple for x86_64.
5271 (memory_address_length): Recognize memory addresses formed using
5273 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5275 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5277 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5279 * recog.c (push_operand): Recognize new format of push instructions.
5281 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5283 * i386.md (pushqi1): New.
5284 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5285 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5286 x86_64_immediate_operand, x86_64_immediate_operand,
5287 x86_64_zext_immediate_operand): Declare.
5288 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5289 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5290 x86_64_immediate_operand, x86_64_immediate_operand,
5291 x86_64_zext_immediate_operand): define.
5292 * i386.h (PREDICATE_CODES): Add new predicates.
5294 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5296 * i386.md (pophi1, popqi1, pushqi1): Remove.
5298 * expr.c (emit_single_push_insn): New function.
5299 (move_by_pieces): Accept NULL as destination for push instructions.
5300 (gen_push_operand): Kill.
5301 (emit_push_insn): Pass NULL when pushing; avoid updating of
5302 stack_pointer_delta.
5303 * expr.h (gen_push_operand): Kill.
5305 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5307 * rtl.texi (COMPARE): Clarify documentation and reference section
5310 2001-03-20 Stan Shebs <shebs@apple.com>
5312 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5313 (get_object_reference): Ditto.
5314 (error_with_ivar): Use error_with_file_and_line.
5315 (warn_with_method): Use warning_with_file_and_line.
5317 2001-03-20 Tom Tromey <tromey@redhat.com>
5319 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5321 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5323 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5324 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5326 2001-03-20 DJ Delorie <dj@redhat.com>
5328 * Makefile.in (install-libgcc): Pass complete list of variables.
5329 (install-multilib): Ditto.
5331 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5333 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5334 drectve_section, switch_to_section.
5336 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5337 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5338 i386_pe_mark_dllimport.
5340 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5342 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5343 functions i386_pe_*.
5345 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5346 i386_pe_* functions with char * arguments.
5348 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5350 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5352 (movsi_ie): Introduce fpul store.
5354 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5356 * Makefile.in (OBJS): Remove hashtab.o.
5358 2001-03-19 Stan Shebs <shebs@apple.com>
5360 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5361 * c-lang.c (maybe_objc_method_name): Ditto.
5362 * c-tree.h (maybe_objc_method_name): Remove decl.
5364 2001-03-19 Tom Tromey <tromey@redhat.com>
5366 * gcc.c (init_gcc_specs): Fix comment.
5368 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5370 Compute DECL_ASSEMBLER_NAME lazily.
5371 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5372 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5373 (SET_DECL_ASSEMBLER_NAME): Likewise.
5374 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5375 (set_decl_assembler_name): Declare.
5376 (lang_set_decl_assembler_name): Likewise.
5377 * tree.c (lang_set_decl_assembler_name): New variab.e
5378 (set_decl_assembler_name): New function.
5379 (init_obstacks): Set lang_set_decl_assembler_name.
5380 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5381 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5382 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5383 where it's not necessary.
5384 (builtin_function): Likewise.
5385 (finish_decl): Likewise.
5386 * dbxout.c (dbxout_type_methods): Likewise.
5387 * ggc-common.c (ggc_mark_trees): Likewise.
5388 * profile.c (output_func_start_profiler): Likewise.
5389 * varasm.c (make_decl_rtl): Likewise.
5391 * cse.c (find_comparison_args): Update documentation. Fix
5392 mishandling of COMPARE operations.
5394 * tree.def (ABS_EXPR): Add documentation.
5395 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5397 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5399 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5401 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5403 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5404 Remove ia32 linux PIC kludge and move it...
5405 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5407 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5409 * i386.md (absdf2 expander): Fix 64bit case.
5411 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5413 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5415 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5417 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5419 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5421 * README.X11: Remove obsolete file.
5423 2001-03-18 Anthony Green <green@redhat.com>
5425 * config/pj/pj.h: Remove some trailing commas.
5426 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5428 2001-03-18 Richard Henderson <rth@redhat.com>
5430 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5431 * calls.c: ... here.
5432 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5433 defaults for them here.
5435 2001-03-17 Anthony Green <green@redhat.com>
5437 * config/pj/lib1funcs.S: Fix broken comment.
5438 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5441 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5443 * gcc.texi: Remove obsolete information relating to build and
5444 installation problems with enquire or the Pyramid C compiler.
5446 2001-03-17 Richard Henderson <rth@redhat.com>
5448 * dwarf2out.c (queue_reg_save): New.
5449 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5450 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5452 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5453 (cfa, cfa_store, cfa_temp): Make static.
5454 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5456 2001-03-17 Richard Henderson <rth@redhat.com>
5458 * integrate.h (struct inline_remap): Add local_return_label.
5459 * integrate.c (expand_inline_function): Initialize it and emit
5460 it after copy_insn_notes.
5461 (copy_insn_list): Don't store local_return_label here.
5462 (copy_insn_notes): New function split out from copy_insn_list.
5464 2001-03-17 Richard Henderson <rth@redhat.com>
5466 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5467 is generating .debug_line.
5468 (dwarf2out_init): Add main_input_filename to the file table first.
5469 * configure.in (as_dwarf2_debug_line): Test with file number 1
5470 instead of file number 0.
5472 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5474 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5475 (gen_rtx_combine): Deleted; all references changed as appropriate.
5476 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5478 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5480 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5482 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5485 2001-03-16 Jim Wilson <wilson@redhat.com>
5487 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5488 then set it to LOC_REG (79) instead of aborting.
5490 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5492 * gccbug.in: Remove high priority.
5494 2001-03-16 Richard Henerson <rth@redhat.com>
5496 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5497 output with a space instead of deleting it.
5498 * configure: Regenerate.
5500 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5502 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5503 handles the gory details of converting an object file into
5504 something that's safe to grep.
5505 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5506 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5507 newlines at either end of the string we're looking for.
5508 Make 'checking ...' message less stilted.
5509 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5510 ARM in-memory layout and its hypothetical converse. Don't
5511 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5512 HOST_WORDS_BIG_ENDIAN.
5514 * configure.in: Adjust for renamed macro. Move
5515 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5516 * configure, config.in: Regenerate.
5518 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5520 * fixinc/Makefile.in: Set SHELL.
5522 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5524 * fixinc/fixincl.c (fix_with_system): Quote file names before
5525 passing them to shell.
5527 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5529 * Makefile.in: Use fix-header$(build_exeext) instead
5532 2001-03-16 Richard Henderson <rth@redhat.com>
5534 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5535 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5536 (size_of_line_prolog): Remove.
5537 (output_line_info): Compute prologue size via label difference.
5538 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5540 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5541 assembler error when redefining file numbers.
5542 * config.in, configure: Rebuild.
5544 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5545 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5546 (dw2_asm_output_delta_uleb128): Likewise.
5547 (dw2_asm_output_delta_sleb128): Similarly.
5548 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5550 2001-03-16 Michael Meissner <meissner@redhat.com>
5552 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5554 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5556 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5558 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5559 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5560 being unsigned in ISO C and signed in traditional.
5561 (expand_prologue): Ditto.
5562 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5564 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5566 (divsi3,divdi3): Ditto.
5567 (modsi3,moddi3): Ditto.
5568 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5569 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5570 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5573 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5575 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5576 SSE based conditional moves on LTGT/UNEQ conditions;
5577 Canonicalize EQ to NE.
5578 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5579 (sse_mov?fcc_ne): New.
5581 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5583 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5585 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5586 register may be dead.
5588 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5590 * Makefile.in (hash.o): Depend on CONFIG_H.
5592 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5594 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5596 2001-03-15 Richard Henderson <rth@redhat.com>
5598 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5599 (ASM_OUTPUT_DWARF_PCREL): New.
5600 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5602 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5604 * cppfiles.c (stack_include_file): Use MAX of sysp.
5606 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5608 * config.gcc (ia64*-*-hpux*): New case.
5609 * config/ia64/hpux.h: New file for HP-UX support.
5610 * config/ia64/t-hpux: New file for HP-UX support.
5612 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5614 * fixinc/inclhack.def (irix_stdio_va_list): New.
5615 * fixinc/fixincl.x: Rebuilt.
5617 2001-03-15 Richard Henderson <rth@redhat.com>
5619 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5620 if provided by the target.
5621 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5622 (dw2_asm_output_addr): New.
5623 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5624 * dwarf2out.c (output_cfi): Use it for program addresses.
5625 (output_call_frame_info, output_die): Likewise.
5626 (output_aranges, output_line_info): Likewise.
5628 2001-03-15 Bruce Korb <bkorb@gnu.org>
5630 * gcc.c(main): make more rigorous
5631 * collect2.c(main): guard against ignoring SIGCHLD
5632 * protoize.c(main): ditto
5633 * gcc/fixinc/fixincl.c(initialize): ditto
5635 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5637 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5638 (sdbout_parms): Likewise.
5640 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5642 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5643 "widen" a destination that is already wider than a word. Also do
5644 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5646 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5648 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5650 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5652 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5654 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5656 * i960.h (i960_maxbitalignment,
5657 i960_last_maxbitalignment): Declare.
5658 * i960.c (i960_maxbitalignment,
5659 i960_last_maxbitalignment): Make global.
5660 (process_pragma): Delete.
5661 (i960_pr_align, i960_pr_noalign): Move from here ...
5662 * i960-c.c: ... to this new file.
5663 * t-960bare (i960-c.o): New rule.
5664 * t-vxworks960 (i960-c.o): Likewise.
5665 * config.gcc (i960-*-*): Define c_target_objs and
5668 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5670 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5671 without adding in rtx code and mode.
5673 * alias.c (init_alias_analysis): Don't use any rtx whose value
5674 varies as a known value.
5675 Delete a superfluous test.
5677 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5679 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5680 scheduling a stop bit.
5681 (ia64_emit_nops): Correctly handle ASMs.
5683 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5685 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5687 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5689 * cpp.texi: Update documentation for -include and -imacros.
5690 * cppfiles.c (struct include_file): Remove "defined" memeber.
5691 (find_or_create_entry): Make a copy of the file name, and
5693 (open_file): Update to ensure we use the simplified filename.
5694 (stack_include_file): Don't set search_from.
5695 (cpp_included): Don't simplify the path name here.
5696 (find_include_file): New prototype. Call search_from to
5697 get the start of the "" include chain. Don't simplify the
5699 (_cpp_execute_include): New prototype. Move diagnostics to
5700 do_include_common. Update.
5701 (_cpp_pop_file_buffer): Don't set defined.
5702 (search_from): New prototype. Use the preprocessor's cwd
5703 for files included from the command line.
5704 (read_name_map): Don't simplify the pathname here.
5705 * cpphash.h (enum include_type): New.
5706 (struct buffer): Delete search from. New search_cached.
5707 (_cpp_execute_include): Update prototype.
5708 * cppinit.c (do_includes): Use _cpp_execute_include.
5709 * cpplib.c (do_include_common): New function.
5710 (do_include, do_include_next, do_import): Use it.
5712 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5714 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5715 contents of the RTL, to determine the name of the object.
5717 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5719 * tree.h (DECL_RTL): Allocate RTL lazily.
5720 (SET_DECL_RTL): New macro.
5721 (DECL_RTL_SET_P): Likewise.
5722 (COPY_DECL_RTL): Likewise.
5723 (DECL_RTL_IF_SET): Likewise.
5724 * varasm.c (make_decl_rtl): Add assertions about the kind of
5725 declaration we are processing.
5726 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5727 (start_decl): Likewise.
5728 (finish_decl): Likewise.
5729 * c-semantics.c (emit_local_var): Likewise.
5730 * calls.c (expand_call): Likewise.
5731 * dbxout.c (dbxout_symbol): Likewise.
5732 * emit-rtl.c (unshare_all_rtl): Likewise.
5733 (unshare_all_decls): Likewise.
5734 (reset_used_decls): Likewise.
5735 * expr.c (store_constructor): Likewise.
5736 (safe_from_p): Likewise.
5737 (expand_expr): Likewise.
5738 * function.c (put_var_into_stack): Likewise.
5739 (instantiate_decls_1): Likewise.
5740 (assign_parms): Likewise.
5741 (expand_function_start): Likewise.
5742 (expand_function_end): Likewise.
5743 * ggc-common.c (gcc_mark_trees): Likewise.
5744 * integrate.c (function_cannot_inline_p): Likewise.
5745 (copy_decl_for_inlining): Likewise.
5746 (expand_inline_function): Likewise.
5747 (integrate_parm_decls): Likewise.
5748 (integrate_decl_tree): Likewise.
5749 * print-tree.c (print_node): Likewise.
5750 * reg-stack.c (stack_result): Likewise.
5751 * stmt.c (label_rtx): Likewise.
5752 (expand_return): Likewise.
5753 (expand_decl): Likewise.
5754 (expand_decl_cleanup): Likewise.
5755 (expand_anon_union_decl): Likewise.
5756 * toplev.c (check_global_declarations): Likewise.
5757 (rest_of_decl_compilation): Likewise.
5758 * tree.c (simple_cst_equal): Likewise.
5759 * objc/objc-act.c (generate_static_references): Likewise.
5761 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5763 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5764 gcc_AC_C_FLOAT_FORMAT): New macros.
5765 * configure.in: Add AC_PROG_CPP after CC tests;
5766 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5767 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5768 * configure, config.in: Regenerate.
5770 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5771 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5772 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5773 config/i370/xm-linux.h, config/i370/xm-oe.h,
5774 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5775 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5776 config/pa/xm-linux.h, config/pa/xm-pa.h,
5777 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5778 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5779 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5780 config/we32k/xm-we32k.h: Delete.
5782 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5783 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5784 config/vax/xm-vms.h: Don't define any of:
5785 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5787 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5789 * config.gcc: Remove references to deleted files.
5790 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5791 FATAL_EXIT_CODE, which is the same between oe and mvs).
5793 2001-03-14 DJ Delorie <dj@redhat.com>
5794 Vladimir Makarov <vmakarov@redhat.com>
5796 * config/i960/i960.c (i960_function_prologue): Compute size of
5797 frame according to number of registers actually saved there.
5799 2001-03-14 Richard Henderson <rth@redhat.com>
5801 * expr.c (emit_move_insn_1): Fix else if around #endif.
5803 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5806 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5809 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5811 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5812 (override_options): Parse cmodel string.
5813 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5814 * i386.h (TARGET_OPTIONS): Add "cmodel".
5815 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5817 (ix86_cmodel_string, ix86_cmodel): Declare.
5819 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5822 * i386.h (GENERAL_REG_P): Add missing REG_P.
5824 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5826 * configure.in: Use $gcc_cv_as instead of $as.
5827 * configure: Regenerated.
5829 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5831 * cppfiles.c (stack_include_file): Only increase the include
5832 count if we actually process the file properly, as opposed
5833 to treating it as length zero. Only call read_include_file
5834 if not DO_NOT_REREAD. Handle the -H include file output
5836 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5837 (cpp_included, find_include_file): Simplify pathnames after
5838 remapping them. If remapping, don't use the remapped file
5839 name's buffer as our scratch buffer.
5840 (cpp_pop_file_buffer): Replace the multiple include macro
5841 only if it isn't yet set.
5842 (read_name_map): Simplify remapped names when reading in.
5843 (remap_filename): Move code to code path that uses it.
5844 (_cpp_simplify_pathname): Return the input pointer.
5845 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5847 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5849 * expr.c (expand_expr): Revove bogus conditional.
5851 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5853 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5855 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5857 * reg-stack.c (stack_result): Unconditionally use
5858 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5860 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5862 * expr.c (emit_move_insn_1): Split push of complex value when
5863 no suitable push instruction exist.
5865 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5866 instead of QI_REG_P.
5868 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5870 * alias.c (handled_component_p, can_address_p): New functions.
5871 (get_alias_set): Use them.
5873 2001-03-13 Jim Wilson <wilson@redhat.com>
5875 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5876 from 80 in try_locals code.
5877 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5879 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5881 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5882 gcc_AC_C_LONG_LONG): New.
5883 * configure.in: Use them. Probe the size of short, int, long,
5884 and long long/__int64 if we have them. Move all the AC_C_*
5885 checks together, except gcc_AC_C_CHAR_BIT which has to go
5886 after AC_CHECK_HEADERS(limits.h).
5887 Take hwint.h out of host_xm_file and build_xm_file.
5889 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5890 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5891 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5892 Move the HOST_WIDEST_INT setup logic here from system.h.
5893 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5895 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5896 is now handled by hwint.h.
5898 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5899 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5900 config/ia64/xm-ia64.h: Don't define any of:
5901 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5902 HOST_BITS_PER_LONGLONG.
5904 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5905 config/h8300/xm-h8300.h, config/mips/iris6.h,
5906 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5907 config/sparc/xm-sp64.h: Delete.
5908 * config.gcc: Remove references to deleted files.
5910 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5911 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5912 * config/i370/xm-linux.h: Clarify floating-point situation in
5915 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5917 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5918 (find_include_file): Decide here which part of the include
5919 chain to start the search. Complain about an empty include
5920 chain in all cases apart from an abolsute file name.
5921 (_cpp_execute_include): Don't choose the search chain here.
5922 Don't call handle_missing_include in the case of an empty
5924 (_cpp_compare_file_date): Don't choose the search chain here.
5925 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5926 here from _cpp_execute_include. Behave like #include if
5927 we're in the main file.
5929 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5931 * system.h (malloc, realloc, calloc, strdup): Only poison these
5932 tokens when IN_GCC is defined.
5934 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5936 * i386.md (abs?f expander): Support SSE case.
5937 (abd?f_if): Add new "USE"; add splitters.
5939 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5941 * cpp.texi (poison): Explain the macro expansion exception.
5943 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5945 * expr.c (store_expr): Add dont_store_target. If temp is already in
5946 target before copying to reg, don't store it into target again.
5948 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5950 * cppinternals.texi: Update for file handling.
5952 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5954 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5955 2001-02-24 which broke building the Java library.
5956 * function.c (identify_blocks): Likewise.
5957 (all_blocks): Likewise.
5958 * integrate.c (integrate_decl_tree): Likewise.
5959 * print-tree.c (print_node): Likewise.
5960 * tree.h (BLOCK_NUMBER): Likewise.
5961 (struct tree_block): Likewise.
5963 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5965 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5966 __WCHAR_TYPE__ definition.
5967 (WCHAR_TYPE_SIZE): #undef before #define.
5969 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5971 * cppfiles.c: Update comments.
5972 (destroy_include_file_node): Rename destroy_node.
5973 (find_or_create_entry): New function.
5974 (open_file, _cpp_fake_include): Use it.
5975 (handle_missing_header): New function, broken out of
5976 _cpp_execute include. Don't segfault if there is no
5977 system or quoted path.
5978 (_cpp_execute_include): Use handle_missing_header.
5980 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5982 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5983 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5985 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5987 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5988 unless anti_dependence says they are.
5989 * alias.c (objects_must_conflict): If neither has a type specified,
5992 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5993 David Billinghurst <David.Billinghurst@riotinto.com>
5995 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5997 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5999 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6000 (*_one_bit): Remove type on the match_operand in attributes.
6002 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6004 * i386.c: Commit forgotten hunk in previous patch.
6005 (regclass_map): Add extended registers.
6006 (dbx_register_map): Add missing frame register.
6008 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6010 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6012 * i386.md (x86_sahf_1): Disable for 64bit.
6013 (popsi*, pophi*): Likewise.
6014 (pushqi, pushhi): Likewise.
6015 (movdi, pushdi): Likewise.
6016 (zero extend DImode splitter): Likewise.
6017 (adddi, minusdi splitter): Likewise.
6018 (umulsidi): Likewise.
6020 (mulsidi): Disable for 64bit
6021 (lshift:DI/ashift:DI): Disable for 64bit.
6022 (loop patterns): Likewise.
6023 (call_pop, call_value_pop expanders and patterns): Likewise.
6024 (prologue_get_pc): Likewise.
6026 (fcmovDI pattern and splitter): Likewise.
6027 (movdfcc_1_rex64): New.
6029 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6031 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6032 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6033 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6034 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6035 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6036 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6037 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6038 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6039 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6040 (REGPARM_MAX): Set to 6 for x86_64.
6041 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6042 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6045 * (patterns that does use upper halves): Update constraints
6046 'q' to 'Q' and 'r' to 'R'.
6047 (cmpqi_ext_1): Disable for 64bit.
6048 (cmpqi_ext_3_insn): Likewise.
6049 (movqi_extzv_1): Likewsie.
6050 (addqi_ext_1): Liekwsie
6051 (testqi_ext_1): Liekwsie
6052 (andqi_ext_1): Liekwsie
6053 (xorqi_ext_1): Liekwsie
6054 (cmpqi_ext_1_rex64): New.
6055 (cmpqi_ext_3_insn_rex64): Likewise.
6056 (movqi_extzv_1_rex64): Likewsie.
6057 (addqi_ext_1_rex64): Liekwsie
6058 (testqi_ext_1_rex64): Liekwsie
6059 (andqi_ext_1_rex64): Liekwsie
6060 (xorqi_ext_1_rex64): Liekwsie
6062 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6064 * configure.in: Move check for unsigned enumerated bitfields
6065 to macro in aclocal.m4. Disable it for now.
6066 * configure, config.in: Regenerate.
6067 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6068 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6069 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6070 kind above its first use.
6072 * config/xm-interix.h, config/alpha/xm-alpha.h,
6073 config/i370/xm-linux.h, config/i386/xm-beos.h,
6074 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6075 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6076 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6077 Don't define ONLY_INT_FIELDS under any circumstances.
6079 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6081 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6082 config/sparc/xm-sysv4.h: Delete - now identical with some
6084 * config.gcc (hppa targets): Replace xm-pahpux.h and
6085 xm-papro.h with implicit xm-pa.h.
6086 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6089 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6091 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6092 before reload_cse_noop_set_p.
6094 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6096 * config.gcc: Where xm-host.h used to include another
6097 xm-host.h, list the nested header directly in xm_file. Remove
6098 references to deleted files. Can now use sparc/xm-sp64.h for
6101 * config/xm-linux.h, config/arm/xm-linux.h,
6102 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6103 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6104 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6105 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6106 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6109 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6110 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6111 bother to wrap #undef in #ifdef.
6112 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6113 Don't include xm-linux.h.
6114 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6116 * configure.in: Wrap regexps using [] in changequote block.
6117 Use expr : not echo | grep. Simplify regexps.
6118 * configure: Regenerate.
6120 56 xm-files remain, 22 xm-arch.
6122 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6124 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6125 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6126 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6127 (copy_object): Fix format specifier vs argument mismatch.
6129 * mips-tdump.c: Make local functions static.
6130 (rindex): Don't #undef.
6131 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6132 (fatal, fancy_abort): Delete.
6133 (read_seek): Avoid signed/unsigned compare.
6135 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6137 * combine.c (try_combine): Fix error in change to try original
6139 (gen_rtx_combine): Do same as gen_rtx for now.
6141 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6143 * configure.in: AC_SUBST xm_defines.
6144 * configure: Regenerate.
6145 * Makefile.in: Set DEFINES=$(xm_defines) when building
6148 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6150 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6151 (cpp_included, find_include_file): Update.
6152 (_cpp_compare_file_date): Make else unconditional.
6154 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6156 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6158 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6160 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6161 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6163 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6165 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6166 if it's a record type.
6168 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6170 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6171 mingw includes slightly.
6173 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6175 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6176 #undef token before poisoning it.
6178 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6180 * alpha.c (check_float_value): Use memcpy, not bcopy.
6182 * m32r.c (m32r_sched_reorder): Likewise.
6184 * vax.c (check_float_value): Likewise.
6186 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6188 * toplev.c (file_name_nondirectory): Remove.
6189 * toplev.h: Similarly.
6190 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6191 of file_name_nondirectory.
6193 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6195 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6196 * mips-tfile.c: Don't #undef rindex; not used.
6198 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6200 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6201 (dbx64_register_map): Declare.
6202 (RETURN_ADDR_RTX): Fix for 64bit.
6203 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6204 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6205 * i386.c (dbx64_register_map): New global array.
6206 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6207 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6210 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6212 * cppfiles.c (search_from): Use lbasename.
6213 * mkdeps.c (deps_add_default_target): Use lbasename.
6215 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6217 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6218 xcalloc in lieu of malloc, realloc & calloc.
6220 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6222 * gengenrtl.c (xmalloc): Likewise.
6224 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6225 really_call_* memory allocation routines.
6227 * stmt.c (check_for_full_enumeration_handling): Use
6228 really_call_calloc, not calloc.
6230 * system.h (really_call_malloc, really_call_calloc,
6231 really_call_realloc): Define.
6232 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6234 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6236 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6238 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6240 * configure: Rebuilt.
6241 * configure.in: Only use `lang_requires' for languages athat are
6244 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6246 * invoke.texi: Fix typo.
6247 * gcc.1: Regenerate.
6249 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6251 * configure.in: Prune nonexistent files from build_xm_file,
6252 xm_file, and host_xm_file lists. Warn unless they're
6254 Don't generate *config.h here.
6255 AC_SUBST all variables needed to generate *config.h.
6256 * configure: Regenerate.
6257 * mkconfig.sh: New helper script, from code removed from
6259 * Makefile.in: Zap all MALLOC variables - no longer used
6260 anywhere, and malloc.c doesn't exist.
6261 Substitute in variables needed to generate *config.h.
6262 Stop lying about the dependencies contained in CONFIG_H and
6264 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6265 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6266 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6267 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6268 $(TM_P_H), etc. as appropriate.
6270 * config.gcc: Zap references to deleted files.
6271 * ggc-none.c: Don't include rtl.h or tm_p.h.
6273 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6274 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6275 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6276 config/i386/xm-linux.h, config/i386/xm-linux.h,
6277 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6278 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6279 Don't include i386/xm-i386.h.
6281 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6282 config/i386/xm-i386.h, config/i860/xm-i860.h,
6283 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6284 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6285 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6286 Delete (empty except comments, #includes of other deleted
6287 files, and macros used nowhere).
6289 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6291 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6292 independent on TARGET_FLAGS.
6294 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6296 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6298 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6300 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6302 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6303 LAST_REX_SSE_REG): define.
6304 (enum reg_class): Add 'LEGACY_REGS'
6305 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6306 (SSE_REGNO_P): Recognize extended registers.
6307 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6308 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6309 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6310 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6311 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6312 REG_OK_FOR_STRREG_P): Remove.
6313 (HI_REGISTER_NAMES): Add extended registers.
6314 (ADDITIONAL_REGISTER_NAMES): Likewise.
6315 (QI_REGISTER_NAMES): Add 8bit extended registers.
6316 (DEBUG_REG): Support extended registers.
6317 * i386.c (regclass_map): Add extended registers.
6318 (dbx_register-map): Likewise.
6319 (svr4_dbx_register_map): Likewise.
6320 (print_reg): Support extended registers.
6321 (print_operand): Support 64bit operands.
6323 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6325 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6326 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6327 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6328 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6329 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6330 STACK_BOUNDARY): Set properly for 64bits.
6331 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6332 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6333 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6334 (MOVE_MAX): Set to 16.
6335 (MOVE_MAX_PIECES): 8 for 64bit.
6336 (Pmode): Set to SImode.
6338 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6340 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6342 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6344 * i386.h (mask_64bit): New constant.
6345 (target_64bit): New macro.
6346 (target_options): Add '64'/'32'
6347 (target_default): Define.
6348 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6349 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6350 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6352 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6354 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6356 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6358 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6359 LO_SUM unless for_alias is set.
6361 2001-03-08 Stan Shebs <shebs@apple.com>
6363 * objc/objc-act.c: Fix old typos in comments, add comments for
6365 (hash_init): Fix file name in error message.
6366 (hash_enter): Ditto.
6367 (hash_add_attr): Ditto.
6368 (continue_class): Ditto.
6370 2001-03-08 Bruce Korb <bkorb@gnu.org>
6372 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6373 wait4() can receive the signal.
6375 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6377 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6379 * fixinc/fixincl.x: Regenerate.
6381 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6383 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6385 * fixinc/fixincl.x: Regenerate.
6387 2001-03-08 Richard Henderson <rth@redhat.com>
6389 * configure.in (HAVE_AS_LEB128): New assembler check.
6390 * configure, config.in: Rebuilt.
6392 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6394 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6397 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6399 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6400 references to the MAXPATHLEN macro.
6402 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6403 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6406 * config/i386/xm-gnu.h, config/xm-gnu.h,
6407 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6408 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6409 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6410 and/or unused files.
6412 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6413 doing so in various xm-*.h files.
6415 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6417 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6419 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6421 * configure.in (enable_shared): Support per-package shared-library
6423 * configure: Rebuilt.
6425 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6427 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6428 for crnot. Set operands[5] in splitter.
6430 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6432 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6433 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6434 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6435 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6436 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6437 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6438 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6441 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6442 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6443 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6444 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6445 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6446 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6447 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6448 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6449 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6450 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6451 Delete unused and/or empty files.
6453 * config.gcc: Define USG in xm_defines as appropriate. Define
6454 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6455 macro. Remove deleted xm-* files from $xm_files variable.
6457 2001-03-07 Tom Tromey <tromey@redhat.com>
6459 * configure: Rebuilt.
6460 * configure.in: Allow config-lang.in to set `lang_requires' to list
6461 of other required languages.
6463 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6465 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6467 (output_prologue): Use xmalloc not oballoc.
6468 (output_epilog): Free a29k_first_epilogue_insn when finished.
6469 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6471 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6473 * builtins.c (expand_builtin_mathfn): Check
6474 flag_unsafe_math_optimizations, not flag_fast_math.
6475 (expand_builtin): Likewise
6476 * combine.c (combine_simplify_rtx): Likewise.
6477 (simplify_if_then_else): Likewise.
6478 * cse.c (fold_rtx): Likewise.
6479 * flags.h: Remove flag_fast_math. Add
6480 flag_unsafe_math_optimizations and flag_trapping_math.
6481 * fold-const.c (negate_expr): Check
6482 flag_unsafe_math_optimizations, not flag_fast_math.
6483 (invert_truthvalue): Likewise.
6484 (fold): Likewise. Before associating operands, check that
6485 code == MULT_EXPR, not code != MULT_EXPR.
6486 * ifcvt.c (noce_try_minmax): Check
6487 flag_unsafe_math_optimizations, not flag_fast_math.
6488 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6489 * invoke.texi: Document -funsafe-math-optimizations and
6490 -fno-trapping-math. Change documentation for -ffast-math.
6491 * jump.c (reversed_comparison_code_parts): Likewise.
6492 (rtx_equal_for_thread_p): Likewise.
6493 * optabs.c (emit_conditional_move): Likewise.
6494 * simplify-rtx.c (simplify_binary_operation): Likewise.
6495 (simplify_relational_operation): Likewise.
6496 (simplify_ternary_operation): Likewise.
6497 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6498 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6499 Add trapping-math and unsafe-math-optimizations entries to f_options.
6500 (set_fast_math_flags): New, sets flags for -ffast-math.
6501 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6502 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6503 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6505 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6506 (alpha_emit_conditional_move): Initialize local_fast_math to
6507 flag_unsafe_math_optimizations, not flat_fast_math.
6508 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6509 instead of setting flag_fast_math to 1.
6510 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6512 * config/i386/i386.c (override_options): Likewise
6513 * config/i386/i386.md: Likewise.
6514 * config/m68k/m68k.md: Likewise.
6515 * config/mips/mips.md: Likewise.
6516 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6517 (rs6000_generate_compare): Likewise.
6519 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6521 * Makefile.in: Set RANLIB to @RANLIB@.
6524 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6526 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6527 * fixinc/fixincl.x: Regenerated.
6529 2001-03-07 Richard Henderson <rth@redhat.com>
6531 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6533 2001-03-07 Richard Henderson <rth@redhat.com>
6535 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6536 of block notes and exception handling notes.
6538 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6539 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6540 (compile_file): ... here.
6542 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6544 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6546 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6547 config.h now. Include libiberty.h to handle alloca.
6549 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6551 * c-parse.in (yylexname): New function, split out of _yylex.
6552 (objc_rid_sans_at): New table.
6553 (init_reswords): Initialize it.
6554 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6555 retrieving the next token and checking it for significance as
6556 an ObjC keyword or string constant.
6558 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6559 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6561 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6564 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6566 * config/m68k/m68k.c (const_uint32_operand): Accept any
6567 const_int on a 32-bit host.
6569 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6571 * objc/objc-act.c (init_objc): Set save_lang_status,
6572 restore_lang_status, and mark_lang_status.
6574 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6576 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6578 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6580 * cppinternals.texi: Update.
6582 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6584 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6585 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6586 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6587 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6588 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6589 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6590 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6591 config/i386/xm-i386.h, config/i860/xm-i860.h,
6592 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6593 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6594 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6595 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6596 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6597 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6598 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6599 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6600 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6601 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6602 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6603 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6604 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6605 match the defaults provided in hwint.h.
6607 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6608 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6610 * config.gcc (xm_file): Don't set to files which are deleted.
6612 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6613 guard this file against these macros being undefined.
6615 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6617 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6618 and DECL_DEFER_OUTPUT on the decl we create, before calling
6619 rest_of_decl_compilation.
6621 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6623 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6625 * configure, config.in: Regenerate.
6626 * config.gcc: Remove references to deleted files.
6628 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6629 genrecog.c, rtl.c: Do not use alloca anywhere.
6631 * Makefile.in, build-make, system.h, config/x-interix,
6632 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6633 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6634 config/arc/xm-arc.h, config/arm/xm-arm.h,
6635 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6636 config/h8300/xm-h8300.h, config/i370/x-oe,
6637 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6638 config/i386/x-ncr3000, config/i386/x-sco5,
6639 config/i386/xm-dgux.h, config/i860/x-sysv4,
6640 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6641 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6642 config/m68k/x-hp320g, config/m69k/x-mot3300,
6643 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6644 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6645 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6646 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6647 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6648 config/mips/x-iris, config/mips/x-iris3,
6649 config/mips/x-sni-svr4, config/mips/x-sysv,
6650 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6651 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6652 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6653 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6654 config/pa/xm-papro.h, config/romp/xm-romp.h,
6655 config/rs6000/x-aix31, config/rs6000/x-aix41,
6656 config/rs6000/x-beos, config/rs6000/x-lynx,
6657 config/rs6000/x-mach, config/rs6000/x-rs6000,
6658 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6659 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6660 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6661 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6662 config/vax/xm-vms.h: Eradicate all references to alloca and
6665 * config/xm-alloca.h, config/clipper/x-clix,
6666 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6667 config/i860/x-sysv3, config/m88k/x-sysv3,
6668 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6669 (contained only alloca related hacks).
6671 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6674 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6676 * invoke.texi: Document __FAST_MATH__.
6678 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6680 * crtstuff.c: Restore include of auto-host.h.
6682 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6684 Put main() in a separate file, so that the language
6685 front-end can use a different main().
6688 * toplev.c: (main): Rename as toplev_main.
6689 * toplev.h: Declare toplev_main.
6690 * Makefile.in (OBJS): add toplev.o.
6691 (BACKEND): remove toplev.o, add main.o.
6693 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6695 * cppfiles.c (search_from): Special case the empty string.
6697 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6699 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6700 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6701 strlen or strcpy; we already know the length.
6702 (_cpp_compare_file_date): Similarly.
6703 * cpphash.h (struct cpp_reader): Delete done_initialising.
6704 (CPP_PREV_BUFFER): Delete.
6705 * cppinit.c (cpp_start_read): Don't set done_initialising.
6706 * cpplex.c (parse_string): Guarantee null-termination.
6707 (_cpp_equiv_toklists): Remove.
6708 * cpplib.c (glue_header_name): Null-terminate.
6709 (do_line): Don't leak memory.
6710 * cpplib.h (BT_WEAK): Delete.
6711 * cppmain.c (cb_ident): Strings are now null-terminated.
6713 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6715 * gcc.c (convert_filename): Append executable suffix
6716 if NO_AUTO_EXE_SUFFIX is not defined.
6717 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6718 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6720 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6722 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6723 * c-parse.gperf, c-gperf.h: Delete.
6724 (c-gperf.h was accidently re-added to the CVS repo in the rev
6725 1.16 commit by tromey)
6727 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6729 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6730 macro arguments when looking for the '('.
6731 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6732 2 when really parsing arguments; 1 when looking for '('.
6733 Always restore the lexer position.
6735 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * longlong.h (umul_ppmm): Don't use a multiline string.
6739 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6741 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6742 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6743 t_bool in declaration because pcc can't combine volatile with typedef
6746 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6748 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6749 until when it is really needed.
6750 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6751 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6752 * i386.md (float?i?f splitter): Don't force source operand to memory
6754 (sse_movdfcc): Fix constraint.
6755 (sse_movdfcc splitter): Handle properly the second alternative.
6757 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6759 * cpplex.c (parse_string): Unconditionally pedwarn.
6761 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6764 * cppexp.c (parse_number): Update.
6765 * cpplex.c (parse_string): Pedwarn if multiline string does not
6766 result from a system header's macro.
6767 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6768 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6769 for function-like macros too.
6770 * c-lex.c (lex_number): Update.
6772 2001-03-03 Richard Henderson <rth@redhat.com>
6774 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6776 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6778 * combine.c (try_combine): If split with mode-changed scratch
6779 register didn't work, try the original mode.
6781 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6783 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6784 * config/c4x/c4x.h: Likewise.
6785 * stor-layout.c (compute_record_mode): Likewise.
6786 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6788 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6790 * configure.in: Kill tm.h. Include the files in the $tm_file
6791 list in all three of config.h, hconfig.h, tconfig.h, after the
6792 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6793 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6794 * configure: Regenerate.
6795 * Makefile.in (clean): Don't delete tm.h.
6797 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6798 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6799 those are not defined, set SEC and FEC to 0 and 1.
6800 * gcc.texi: Update to match.
6802 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6803 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6804 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6805 Include tconfig.h, not tm.h.
6807 * config/xm-lynx.h, config/xm-std32.h,
6808 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6809 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6810 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6811 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6812 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6813 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6814 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6815 config/i386/xm-i386.h, config/i860/xm-i860.h,
6816 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6817 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6818 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6819 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6820 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6821 config/pa/xm-linux.h, config/pa/xm-pa.h,
6822 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6823 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6824 config/pj/xm-pj.h, config/romp/xm-romp.h,
6825 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6826 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6827 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6828 config/v850/xm-v850.h, config/vax/xm-vax.h,
6829 config/we32k/xm-we32k.h:
6831 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6833 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6834 config/i370/xm-oe.h: Don't include tm.h. Don't define
6836 * config/vax/xm-vms.h: Don't include tm.h.
6838 * config/xm-lynx.h, config/avr/xm-avr.h,
6839 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6840 Delete; made empty by above changes.
6841 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6842 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6843 Don't include config/xm-lynx.h or tm.h.
6845 * config/xm-gnu.h: Don't include fcntl.h.
6846 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6848 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6850 2001-03-02 Richard Henderson <rth@redhat.com>
6852 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6853 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6855 2001-03-02 Richard Henderson <rth@redhat.com>
6857 * Makefile.in (OBJS): Add dwarf2asm.o.
6858 * dwarf2asm.c, dwarf2asm.h: New files.
6859 * dwarf2out.c (*): Use them.
6860 (size_of_uleb128, size_of_sleb128): Remove.
6861 (output_uleb128, output_sleb128): Remove.
6862 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6863 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6864 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6865 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6866 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6867 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6868 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6869 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6870 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6871 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6872 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6873 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6874 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6875 (dwarf2out_frame_debug): Remove unused variables.
6876 (output_loc_operands): Don't abort on 8 byte constants if
6877 host integers are wide enough.
6878 (output_symbolic_ref): Remove.
6879 (size_of_die): Don't assume 4 byte host integers.
6880 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6882 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6883 something stupid with HOST_WIDE_INT to long truncation.
6884 [CONST_DOUBLE]: Likewise.
6886 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6887 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6888 * config/arm/unknown-elf.h: Likewise.
6889 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6890 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6891 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6892 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6893 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6894 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6895 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6896 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6897 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6898 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6899 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6900 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6902 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6904 * cselib.c (hash_rtx): Cast enums to unsigned int.
6906 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6908 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6909 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6911 * c-format.c (C_STD_VER): Cast to int for comparisons.
6912 (check_function_format): Cast various enums to int for &.
6913 (maybe_read_dollar_number): Likewise.
6914 (check_format_info): Likewise.
6915 (check_format_info_main): Likewise.
6916 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6917 (safe_from_p): Likewise.
6918 * varasm.c (const_hash): Cast enum to int for %.
6919 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6920 pcc enum problems with < and ++ operators.
6921 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6922 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6923 (regclass_init): Change enum class to int to iterate over reg_classes.
6924 * genrecog.c (merge_trees): Cast enums for comparison.
6925 * rtl.h (GET_CODE): Cast to enum rtx_code.
6926 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6927 (GET_MODE): Cast to enum machine_mode.
6928 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6929 (GET_NOTE_INSN_NAME): Cast enum to int.
6930 * tree.h (TREE_CODE): Cast to enum tree_code.
6931 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6932 * timevar.c (timevar_print): Change loop variable id from enum to
6934 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6935 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6936 * toplev.c (compile_file): Cast enum DFI to int.
6937 (decode_d_option): Likewise.
6939 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6941 * cppinit.c (append_include_chain): Mark "after" include file name list
6942 as a system directory.
6943 * cpp.texi: Document new behavior.
6945 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6947 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6949 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6951 * cppfiles.c (struct include_file): Update.
6952 (stack_include_file): Use search_from.
6953 (cpp_included, find_include_file): Update.
6954 (cpp_execute_include): Update. ptr->name may not be
6955 null terminated. Use the new search_from member variable
6957 (_cpp_compare_file_date): Similarly.
6958 (search_from): New function, similiar to actual_directory.
6959 (actual_directory): Delete.
6960 (remap_filename): Update. loc->name may not be null terminated.
6961 (struct file_name_list): Rename search_path. Update.
6962 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6963 search_from and dir.
6964 (struct cpp_reader): Remove actual_dirs.
6965 * cppinit.c (struct cpp_pending): Update for renamed objects.
6966 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6967 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6968 * cpplib.h (struct cpp_options): Similarly.
6970 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6972 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6973 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6974 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6975 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6976 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6977 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6978 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6979 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6980 config/i370/xm-oe.h, config/i386/xm-aix.h,
6981 config/i386/xm-i386.h, config/i386/xm-osf.h,
6982 config/i860/xm-i860.h, config/i960/xm-i960.h,
6983 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6984 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6985 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6986 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6987 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6988 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6989 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6990 config/pj/xm-pj.h, config/romp/xm-romp.h,
6991 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6992 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6993 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6994 config/v850/xm-v850.h, config/vax/xm-vax.h,
6995 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6996 Do not define TRUE or FALSE.
6998 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6999 empty by above change.
7000 * config.gcc: Remove references to these files.
7002 * configure.in: Detect stdbool.h.
7003 * configure, config.in: Regenerate.
7004 * system.h: Include stddef.h here if available.
7005 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7006 Then set up a sensible boolean type at the very end.
7008 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7009 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7011 * hash.h: Delete 'boolean' typedef and related #undefs.
7013 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7014 all uses of 'boolean' with 'bool'.
7016 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7018 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7019 * cppexp.c (lex): Cast enums for comparison.
7020 * cppinit.c (parse_option): Cast enum for comparison.
7021 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7022 (cpp_output_token): Likewise.
7023 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7024 (cpp_avoid_paste): Cast enums for minus and comparison.
7026 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7028 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7029 field to all array elements.
7031 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7033 * cpphash.h (struct cpp_reader): Add print_version field.
7034 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7035 just set print_version and other flags as appropriate.
7036 (cpp_post_options): Print version here if print_version is set.
7038 * toplev.c (exit_after_options): New flag.
7039 (independent_decode_option): Don't exit here; just set
7041 (main): Exit after calling lang_hooks.post_options if
7042 exit_after_options is true.
7044 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7045 (merge_include_chains): Adjust comment to match code.
7047 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7049 * stringpool.c (set_identifier): New function.
7050 * tree.h: Prototype it.
7052 * c-parse.in: Kill D_YES. If compiled for objc, call
7053 save_and_forget_protocol_qualifiers from init_reswords.
7054 * objc/objc-act.c (remember_protocol_qualifiers,
7055 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7056 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7058 (save_and_forget_protocol_qualifiers): New function.
7059 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7061 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7063 * c-semantics.c (prune_unused_decls): Return error_mark_node
7064 instead of (tree) 1 to stop traversing the tree chain.
7066 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7068 Fix a problem introduced by Kenner's Feb 18 change.
7069 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7070 flag_cse_skip_blocks only temporarily, not for ever.
7072 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7074 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7075 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7077 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7078 before determining its register class.
7080 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7082 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7083 from reg 4 if current_function_calls_setjmp.
7084 (gen_nop_type): New function.
7085 (ia64_emit_nops): New function.
7086 (ia64_reorg): Call it.
7087 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7089 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7090 code not to try to optimize adds with anything but a REG destination.
7092 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7093 (INSN_PRIORITY_KNOWN): New accessor macro.
7094 * haifa-sched.c (priority): Use it instead of testing priority against
7097 2001-02-28 DJ Delorie <dj@redhat.com>
7099 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7100 since that doesn't work the way gcc wants on a generic m68k.
7102 2001-02-28 Richard Henderson <rth@redhat.com>
7104 * caller-save.c (save_call_clobbered_regs): Fix typo in
7105 comparison last change.
7107 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7109 * i386.c (pentium4_cost): New.
7110 (m_PENT4): New macro.
7111 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7112 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7113 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7114 x86_memory_mismatch_stall): Add Pentium4
7115 (x86_use_q_reg, x86_use_any_reg): Kill.
7116 (override_options): Add pentium4.
7117 (incdec_operand): Return 0 for pentium4.
7118 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7119 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7120 (TARGET_PENTIUM4): Define.
7121 (enum processor_type): Add PROCESSOR_PENTIUM4.
7122 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7123 * i386.md (attribute "cpu"): Add pentium4.
7124 * invoke.texi (march): Add pentium4.
7126 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7128 * i386.md (sse_mov?fcc*): New patterns and splitters.
7129 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7130 the SSE based conditional moves.
7132 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7134 * i386.md (attribute mode): Add "TI".
7135 (movsf_1): Add pxor support; remove constant propagation splitter.
7136 (movdf_integer): Likewise.
7137 (movdf_nointeger): Likewise.
7138 (movxf constant prop splitter): Handle all modes; update for SSE.
7139 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7140 * i386.c (standard_80387_constant_p): Rewrite.
7141 (standard_sse_constant_p): New.
7142 * i386-protos.h (standard_sse_constant_p): New.
7144 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * i386.md (sse_setccsf, sse_setccdf): New.
7147 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7149 * i386.c (sse_comparison_operator): Accept the supported unordered
7150 comparses; be ready for fast_math.
7151 (print_operand): Support 'D'.
7153 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7155 * jump.c (reversed_comparison_code): Kill.
7157 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7159 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7162 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7164 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7165 add missing '%' in constraints.
7167 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7169 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7170 for HOST_BITS_PER_WIDE_INT == 32 too.
7172 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7174 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7176 (insert_save, insert_restore): New parameter save_mode.
7177 (init_caller_save): Update initialization of reg_save_code
7178 and reg_restore_code.
7179 (save_call_clobbered_regs): Compute save_modes and update calls to
7180 reg_save_code and reg_restore_code.
7181 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7182 of spill; update use of reg_restore_code.
7183 (insert_save): Likewise.
7184 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7185 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7186 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7188 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7190 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7191 noce_try_store_flag_inc, noce_try_store_flag_mask,
7192 noce_try_cmove_arith):
7193 Use reversed_comparison_code instead of reverse_comparison and
7194 can_reverse_comparison_p.
7196 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7198 * jump.c (reversed_comparison_code_parts): Allow reversal of
7199 unordered compares in -ffast-math mode; reverse ordered compares
7200 for FP even w/o -ffast-math.
7202 2001-02-27 Richard Henderson <rth@redhat.com>
7204 * print-rtl.c (print_rtx) [i]: Don't print field five on
7205 NOTEs other than NOTE_INSN_DELETED_LABEL.
7207 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7209 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7210 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7212 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7214 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7215 even if walk_subtrees is 0.
7216 * c-semantics.c (prune_unused_decls): Return a non-null value to
7217 stop traversing the tree chain.
7219 2001-02-27 DJ Delorie <dj@redhat.com>
7221 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7222 register, *then* define it as the new CFA.
7224 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7226 * pa.c (override_options): Promote -fpic to -fPIC.
7227 (legitimize_pic_address): Simplify due to removal of
7228 small PIC as a code generation option.
7229 (secondary_reload_class): Similarly.
7230 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7231 (PRINT_OPERAND_ADDRESS): Similarly.
7232 * pa.md (various patterns): Similarly.
7233 (small pic lo_sum pattern): Remove.
7235 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7238 * md.texi (min, max): Document
7240 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7242 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7243 TARGET_PARTIAL_REG_DEPENDENCY.
7244 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7246 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7248 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7250 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7252 * mips.c (mips_make_temp_file): Fix thinko in last change.
7254 2001-02-26 Jason Eckhardt <jle@redhat.com>
7256 * combine.c (known_cond): Do not reverse the condition when
7257 SMAX/UMAX is being considered and the condition is for equality
7260 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7262 2001-02-26 Philip Blundell <philb@gnu.org>
7264 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7266 * config/arm/linux-elf.h: Remove historical relics related to
7267 above configurations.
7268 * config/arm/linux-oldld.h: Delete.
7269 * config/arm/linux-elf26.h: Delete.
7271 2001-02-26 Jason Merrill <jason@redhat.com>
7273 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7275 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7276 recognize a tentative definition. Lose obsolete code.
7278 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7279 variables unless necessary, either.
7281 2001-02-25 Richard Henderson <rth@redhat.com>
7283 * ifcvt.c (struct noce_if_info): Add test_bb.
7284 (noce_get_alt_condition): New.
7285 (noce_try_minmax, noce_try_abs): New.
7286 (noce_operand_ok): New.
7287 (noce_process_if_block): Use them.
7288 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7290 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7292 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7295 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7297 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7298 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7300 (mips_asm_file_end): Free temp_filename here.
7302 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7304 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7305 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7307 * config/i386/i386.md (movstrsi): Handle FAIL case.
7309 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7311 * cppinit.c (builtin_array): Update.
7312 (init_builtins): Flag builtins to warn if redefined or
7313 undefined. Define __GXX_WEAK as a normal macro.
7314 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7315 * cpplib.h (NODE_WARN): New flag.
7316 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7317 Handle __STDC__ as a builtin only on Solaris.
7318 (warn_of_redefinition): Renamed from check_macro_definition.
7319 Reverse sense of test. Always warn if NODE_WARN.
7320 (_cpp_create_definition): Use warn_of_redefinition. Flag
7321 any macro beginning with "__STDC_" to require a mandatory
7322 warning if redefined or undefined.
7324 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7326 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7327 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7328 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7329 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7330 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7331 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7332 Don't define any of:
7333 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7334 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7335 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7336 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7337 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7339 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7340 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7343 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7344 Delete now-empty file.
7346 * alpha/vms.h: Define NEED_ATEXIT here...
7347 * alpha/xm-vms.h: ...not here.
7349 * i386/cygwin.h: Don't define PARAMS.
7350 * mips/mips.c: Don't prototype mktemp. Don't define
7351 P_tmpdir. Use make_temp_file to create temporary files.
7352 Don't be clever and delete temporary files early.
7353 * config.gcc: Drop references to deleted files. Don't define
7355 * gcc.texi: Don't mention USE_PROTOTYPES.
7357 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7359 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7360 (ix86_set_move_mem_attrs_1): Likewise.
7361 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7362 * config/i386/i386.md (movstrsi): Call it.
7364 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7366 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7367 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7368 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7369 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7371 (i750a-*-*): Error here if hosting on i750a.
7372 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7374 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7375 Remove (empty modulo comments).
7377 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7378 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7379 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7380 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7381 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7382 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7384 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7385 Remove reference to winnt.h in comment.
7386 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7388 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7390 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7391 used to set another biv.
7393 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7395 * tree.h (BLOCK_DEAD): New macro.
7396 (struct tree_block): New flag, dead_flag.
7397 * print-tree.c (print_node, case 'b'): Print missing fields.
7398 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7399 * function.c (identify_blocks): Enable test for misplaced notes.
7400 (all_blocks): Skip BLOCK_DEAD blocks.
7401 * integrate.c (integrate_decl_tree): Likewise.
7403 * errors.c (internal_error, trim_filename): New functions.
7404 (fancy_abort): Call internal_error.
7405 * errors.h (internal_error, trim_filename): New declarations.
7407 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7409 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7411 (EXTRA_CONSTRAINT): Formatting changes.
7413 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7415 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7417 2001-02-23 Per Bothner <per@bothner.com>
7419 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7420 so they can be called from java/jvspec.c.
7421 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7423 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7425 * i386.c (ix86_frame): New structure.
7426 (ix86_compute_frame_size): Kill.
7427 (ix86_compute_frame_layout): New.
7428 (ix86_save_reg): New.
7429 (ix86_can_use_return_insn_p): Use frame layout stuff.
7430 (ix86_expand_prologue): Likewise.
7431 (ix86_expand_epilogue): Likewise.
7432 (ix86_initial_elimination_offset): Likewise.
7433 (ix86_nsaved_regs): Use ix86_save_reg.
7434 (ix86_emit_save_regs): Likewise.
7436 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7438 * flow.c (find_sub_basic_blocks): New function.
7439 (split_block): Be ready for basic block introduced by CODE_LABEL.
7440 (commit_one_edge_insertion): Call find_sub_basic_block.
7442 * flow.c (make_edges): Add edge from entry for blocks starting with
7443 label having ALTERNATE_NAME
7445 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7447 * function.c (epilogue_done): Be ready for first basic block not
7448 containing PROLOGUE_END note.
7449 (reposition_prologue_and_epilogue_notes): Avoid placing
7450 PROLOGUE_END note between BASIC_BLOCK.
7452 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7454 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7456 2001-02-21 DJ Delorie <dj@redhat.com>
7458 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7459 check for current_function_has_nonlocal_goto from 1999-11-12.
7461 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7463 * diagnostic.c (trim_filename): No longer static.
7464 * toplev.h (trim_filename): Declare.
7465 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7466 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7467 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7468 (rtvec_check_failed_bounds): Likewise.
7469 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7471 * convert.c (convert_to_integer): Don't do unsigned unless result or
7472 both inputs are unsigned.
7474 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7477 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7479 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7481 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7483 * Makefile.in (resource.o): Add params.h dependence.
7484 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7485 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7486 * resource.c: Add dependence on params.h.
7487 (current_live_regs): Fix explanatory comment.
7488 (find_basic_block): Add new parameter to permit limiting search
7490 (mark_target_live_regs): Add new argument to find_basic_block call.
7491 (incr_ticks_for_insn): Likewise.
7493 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7495 * diagnostic.c (output_to_stream): Rename to
7496 output_buffer_to_stream. Loses the stream parameter.
7497 (init_output_buffer): Set diagnosic_buffer's stream.
7498 (flush_diagnostic_buffer): Adjust.
7499 (default_print_error_function): Likewise.
7500 (finish_diagnostic): Likewise.
7501 (verbatim): Likewise.
7503 * diagnostic.h (struct output_buffer): Add `stream' field.
7504 (output_buffer_attached_stream): New macro.
7506 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7508 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7509 check if either operand is divisible by C.
7510 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7511 If type is signed, consider negative numbers as well.
7513 2001-02-22 Richard Henderson <rth@redhat.com>
7515 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7516 reach .text instead of gp-relative relocs.
7517 * config/ia64/crtend.asm (.init): Likewise.
7519 2001-02-22 Andreas Jaeger <aj@suse.de>
7521 * extend.texi (C++ Attributes): Fix typo.
7523 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7525 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7526 functions, drop current_function_args_info.words test.
7527 (ia64_compute_frame_size): Mark syscall_linkage functions as
7528 using eight input registers.
7530 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7531 Bruce Korb <bkorb@gnu.org>
7533 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7534 * fixinc/README: Document how to convert sed substitutions
7535 to format style c_fix-es.
7536 * fixinc/fixincl.x: regen
7538 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7540 * gcc.c: Add comment explaining how to add a command-line option.
7541 Add title to specs language comment.
7543 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7545 * gcc.c (cc1_options): Add "-param".
7546 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7547 (option_map): Likewise.
7548 * toplev.c (display_help): Add entry for "--param".
7549 (independent_decode_option): Fix typographical error.
7551 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7552 Bernd Schmidt <bernds@redhat.com>
7553 Jan Hubicka <jh@suse.cz>
7555 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7556 (function_arg): Likewise.
7558 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7560 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7562 2001-02-21 Kazu Hirata <kazu@hxi.com>
7564 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7568 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7570 * flow.c (init_propagate_block_info): Canon address and use single_set
7571 for killing dead memory stores.
7573 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7575 * Makefile.in (reorg.o): Add params.h dependence.
7576 * params.def: Fix typographical error in comment.
7577 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7578 * params.h: Modify introductory comment.
7579 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7580 * reorg.c: Add dependence on params.h.
7581 (redundant_insn): Add parameterized throttle for search.
7582 (fill_simple_delay_slots): Add a comment explaining a variable.
7583 Move conditional out of loop, simplifying code.
7584 (fill_eager_delay_slots): Fix typographical error in comment.
7586 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7588 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7590 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7591 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7593 2001-02-21 Jason Merrill <jason@redhat.com>
7595 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7596 (struct tree_decl): Add uninlinable bitfield.
7597 * c-decl.c (duplicate_decls): Set it.
7598 * integrate.c (function_cannot_inline_p): Check it.
7600 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7601 DW_AT_MIPS_linkage_name to abstract methods.
7602 (dwarf2out_abstract_function): Emit class context before calling
7603 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7604 (gen_subprogram_die): Remove obsolete code.
7605 (gen_member_die): Don't include clones in the member list.
7606 (gen_decl_die): Emit abstract info for clone origin.
7607 * dwarfout.c (output_type): Don't include clones in the member list.
7608 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7609 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7610 DECL_ABSTRACT on a function that already has it set.
7612 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7613 (get_subprogram_die): Pass it in.
7615 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7617 * flow.c (mark_set_1): Make not_dead unsigned long. For
7618 non-pseudos, use it as a bitmask of the hard regs that
7621 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7623 * cppfiles.c: Update comments.
7624 (_cpp_read_file): Don't check for NULL filenames any more.
7625 * cppinit.c (cpp_start_read): Don't do canonicalization of
7626 in_fname and out_fname. Use the passed file name exclusively.
7627 (_cpp_handle_options): Don't treat "-" as a command line option,
7628 but as a normal filename.
7629 (_cpp_post_options): Canonicalize in_fname and out_fname.
7630 * cppmain.c (printer_init): Don't check out_fname for NULL.
7631 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7632 (init_c_lex): Update, and use "" to represent stdin to CPP.
7635 2001-02-20 Will Cohen <wcohen@redhat.com>
7637 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7638 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7639 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7642 2001-02-20 Stan Shebs <shebs@apple.com>
7644 * config/rs6000/rs6000.c (output_cbranch): Output branches
7645 on separate lines instead of using ';' to separate.
7647 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7649 * cppinit.c (set_lang): Move builtin handling to...
7650 (init_builtins): ...here.
7651 (_cpp_create_reader): Move call to set_lang.
7653 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7655 * stmt.c (expand_return): If an attempt is made to return the
7656 error_mar_node, treat the return like a return without a value.
7658 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7660 * sibcall.c (skip_copy_to_return_value): Call
7661 identify_call_return_value here, and return orig_insn if it
7662 returns zero. Hardret and softret arguments now unnecessary.
7663 (call_ends_block_p): Don't call identify_call_return_value here.
7665 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7667 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7668 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7670 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7672 * pa.c (move_operand): Accept code to load the address of a
7673 symbol out of the DLT as a valid move operand.
7674 (print_operand, case 'A'): New to handle generating a DLT
7675 reference for a LO_SUM expression.
7676 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7677 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7679 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7681 * README, cpp.texi, gcc.texi, version.c: Update version number to
7683 * cpp.1, gcov.1, gcc.1: Regenerate.
7685 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7687 * cppfiles.c (stack_include_file): Generate dependencies
7688 here, and manage include_count here too.
7689 (PRINT_THIS_DEP): Delete.
7690 (_cpp_execute_include): Do not generate dependencies here,
7691 apart from the case of a missing header. Do not manage
7693 (_cpp_read_file): Leave dependency generation to
7696 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7698 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7699 target_cpu_default. Remove dead assignment to
7702 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7704 * regclass.c (contains_reg_of_mode): Make global.
7705 (init_reg_sets): Remove contains_reg_of_mode; take into account
7706 CLASS_MAX_NREGS when looking for the proper mode.
7707 (dump_regclass): Dump only classes considered for the pseudo.
7708 (regclass): Use contains_reg_of_mode.
7710 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7712 * gcc.c (do_spec_1): 'n' for printing notices.
7713 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7715 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7717 * reg-stack.c (next_flags_user): Use current_block->end
7718 (swap_rtx_condition): Look for next user if flags don't die;
7719 give up on CALL_INSNs; use current_block->end.
7721 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7723 * sibcall.c (call_ends_block_p): New function.
7724 (optimize_sibling_and_tail_recursive_call): Use it.
7726 2001-02-18 Kazu Hirata <kazu@hxi.com>
7728 * config/h8300/h8300.md: Update copyright.
7729 (andsi3): Do not output an extra newline character.
7731 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7733 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7734 FNDECL may be unused.
7736 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7737 follow jumps after first run.
7738 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7739 it doesn't change any jumps.
7741 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7743 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7744 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7745 (mostlyclean): Corresponding changes.
7746 * rtlanal.c (hard-reg-set.h): Include.
7747 (rtx_unstable_p): Do not treat the argument pointer specially
7748 if it is not a fixed register.
7749 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7751 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7753 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7754 against last real insn in basic block.
7755 Rework to avoid gotos.
7757 * Makefile.in (gcse.o): Now includes ggc.h.
7758 * gcse.c: Include ggc.h.
7759 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7760 (try_replace_reg): Remove warning of uninitialize variable.
7761 (process_insert_insn): Call invalid_insn_p to validate insn.
7762 * recog.c (insn_invalid_p): Now global.
7763 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7764 * recog.h (insn_invalid_p): New declaration.
7766 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7768 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7769 assignments from FP constants since 'Y' output code can't handle it.
7770 (eligible_for_sibcall_delay): Likewise.
7772 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7773 Call fancy_abort directly, passing args.
7774 (print_rtl_and_abort): Now a macro, like fancy_abort.
7776 * final.c (output_operand_lossage): Use internal_error, not error.
7778 2001-02-18 Shane Nay <shane@agendacomputing.com>
7780 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7781 structure shift insns.
7783 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7785 * invoke.texi (-fsquangle): Remove documentation.
7786 (-fname-mangling-version): Likewise.
7788 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7790 * optabs.c (expand_abs): Remove reference to
7791 HAVE_contitional_arithmetic.
7792 * combine.c (simplify_set): Likewise.
7794 2001-02-18 Richard Henderson <rth@redhat.com>
7796 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7799 2001-02-18 Richard Henderson <rth@redhat.com>
7801 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7803 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7805 * reload1.c (reload_cse_simplify_set): Fix typo.
7807 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7809 * diagnostic.c (_fatal_insn): Decrement errorcount.
7811 * invoke.texi (-I): Add note avoiding use for system header files.
7813 * rtl.h (add_clobbers): Remove duplicate declaration.
7814 * recog.h (added_clobbers_hard_reg_p): New declaration.
7815 * genemit.c (struct clobber_pat): New field has_hard_reg.
7816 (gen_insn): Record if added clobbers clobber hard reg.
7817 (gen_split): Avoid unused warning if number of operands is 0.
7818 (output_added_clobbers_hard_reg_p): New function.
7821 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7823 * pa.c (hppa_expand_prologue): Simplify code storing return
7824 pointer. For large (>=8k) frames with a post_store, adjust stack
7825 pointer by 8k-64 first rather than by 64. When testing with
7826 VAL_14_BITS_P, always use the actual value rather than the value
7827 negated. Add blockage to prevent scheduling of spills before
7828 stack frame has been created.
7829 (hppa_expand_epilogue): Simplify code loading return pointer.
7830 Allow a slightly larger range for merge_sp_adjust_with_load case.
7831 When testing with VAL_14_BITS_P, always use the actual value.
7833 * pa.c (pa_adjust_insn_length): Check that block move
7834 pattern is a set before looking at operands.
7836 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7838 * fold-const.c (fold_binary_op_with_conditional_arg): New
7839 function, split out from ...
7841 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7842 conditional arms that throw exceptions.
7844 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7847 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7849 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7850 define HAVE_DECL_* to 1 to mask potential backup declarations.
7851 * configure: Regenerated.
7853 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7855 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7857 2001-02-17 Richard Henderson <rth@redhat.com>
7859 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7860 when replacing a memory load with a register.
7862 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7863 Jan Hubicka <jh@suse.cz>
7865 * recog.c (validate_replace_src_1): New.
7866 (validate_replace_src_data): Likewise.
7867 (validate_replace_src): Use note_uses.
7868 * rtl.h (note_uses): Declare.
7869 * rtlanal.c (note_uses): New.
7871 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7873 * reg-stack.c (stack_def): Make field reg unsigned.
7874 (remove_regno_note): Unsignetize parameter.
7876 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7878 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7879 shladd_operand() call.
7881 2001-02-16 Bruce Korb <bkorb@gnu.org>
7882 Rodney Brown <RodneyBrown@mynd.com>
7884 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7885 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7886 machine restrictions
7887 * fixinc/fixincl.x: regen
7889 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7891 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7893 (hash_scan_insn): Clean up calls to hash_scan_set.
7894 (compute_kill_rd): REGNO now unsigned.
7895 (try_replace_reg): Rework to use simplify_replace_rtx.
7896 (cprop_jump, cprop_cc0_jump): Likewise.
7897 (cprop_insn): Call find_reg_equal_equiv_note.
7898 Reflect changes to cprop_jump and cprop_cc0_jump.
7900 * recog.c (validate_replace_src): Replace in operands of
7901 ZERO_EXTRACT in SET_DEST.
7903 * cse.c (new_label_ref): New variable.
7904 (insert): Set it instead of recorded_label_ref.
7905 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7906 CODE_LABEL for this function, and not already in REG_LABEL note.
7908 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7910 * resource.c (mark_referenced_resources): Fix typo in introductory
7912 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7915 2001-02-16 Jason Merrill <jason@redhat.com>
7917 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7919 (gen_subprogram_die): Don't abort on seeing a second definition if
7920 the previous one was abstract. Don't replace an abstract instance
7921 in the lookup table.
7923 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7924 gen_abstract_function.
7925 * dwarf2out.h: Declare it.
7926 * toplev.c (note_outlining_of_inline_function): New fn.
7927 * toplev.h: Declare it.
7928 * integrate.c (output_inline_function): Call it.
7929 * c-decl.c (duplicate_decls): Call it when redefining an extern
7930 inline. Don't inline the new defn.
7932 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7934 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7936 * .gdbinit: Rename to gdbinit.in.
7937 * gdbinit.in: New file,
7938 * configure.in: Generate .gdbinit from gdbinit.in.
7939 * configure: Regenerated.
7940 * Makefile.in (distclean): Always remove .gdbinit.
7942 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7944 * objc/objc-act.c (start_class): Register implemented_classes with
7947 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7949 * cppfiles.c (_cpp_make_system_header): Generate a file
7952 2001-02-15 Jim Meyering <meyering@lucent.com>
7954 * Makefile.in (install-common): Don't depend on installdirs here.
7955 Instead, make each of the lang.install-common targets (e.g.,
7956 c++.install-common in cp/Make-lang.in) depend on it.
7957 (install-driver): Depend on installdirs.
7959 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7961 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7963 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7966 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7968 * invoke.texi (--param): Document.
7970 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7972 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7974 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7976 * i386.md (extendsfdf2_2): Fix constraints.
7978 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7980 * i386.md (fop_df_3 splitter): Fix operand number.
7982 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7984 * invoke.texi (-mreg-alloc): Nuke.
7985 * i386.c (ix86_reg_alloc_order, regs_allocated,
7986 order_regs_for_local_alloc): Nuke.
7987 (override_options): Kill reg_alloc code.
7988 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7989 (REG_ALLOC_ORDER): SSE goes before I387.
7990 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7991 (ix86_reg_alloc_order): Likewise.
7992 * i386-protos.h (ix86_reg_alloc_order): Kill.
7994 2001-02-14 Richard Henderson <rth@redhat.com>
7996 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7998 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8000 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8002 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8004 * i386-protos.h (ix86_memory_move_cost): Move offline.
8005 * i386.c (ix86_register_move_cost): Compute properly cost of
8006 SSE, MMX and i387 instructions.
8007 (*_cost): Add costs of SSE/MMX moves.
8008 (ix86_memory_move_cost): Move offline from ....; Likewise.
8009 * i386.h (MEMORY_MOVE_COST): .... here;
8010 (struct processor costs): Add new fields to represent costs
8013 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8015 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8016 move_cost together with Matt Kraai's fix.
8018 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8020 * Makefile.in (OBJS): Add params.o.
8022 2001-02-14 Richard Henderson <rth@redhat.com>
8023 DJ Delorie <dj@redhat.com>
8025 * jump.c (jump_optimize_1): When we delete a conditional jump
8026 preceeding a non-conditional jump to effectively the same place,
8027 make sure that the combined jump skips any clobber insns between
8030 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8032 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8034 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8036 * Makefile.in (toplev.o): Depend on params.h.
8037 (intergate.o): Likewise.
8038 (params.o): New target.
8039 * flags.h (inline_max_insns): Remove.
8040 * integrate.c: Include params.h.
8041 Use MAX_INLINE_INSNS instead of inline_max_insns.
8042 * params.c: New file.
8043 * params.h: Likewise.
8044 * params.def: Likewise.
8045 * toplev.c: Include params.h.
8046 (lang_independent_params): New variable.
8047 (decode_f_option): Use the param machinery instead of setting
8049 (independent_decode_option): Handle "--param name=value".
8050 (main): Register language-independent parameters.
8052 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8054 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8056 2001-02-14 Richard Henderson <rth@redhat.com>
8058 * regclass.c (init_reg_sets_1): Revert last two changes.
8060 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8062 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8063 (variable_size): Call put_pending_size.
8064 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8065 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8066 sizes list, put newly created SAVE_EXPR there as well.
8068 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8070 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8071 (errata_find_address_regs): load_group has only 2 entries.
8072 (errata_emit_nops): Likewise. shladd is not problematic.
8073 Clear last_group if nop was emitted.
8074 (fixup_errata): load_group has only 2 entries.
8077 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8079 * c-lex.c (lex_number): Only warn traditionally for U suffix
8080 outside system macros.
8081 * cppexp.c (parse_number): Similarly.
8082 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8083 * cppmacro.c (struct cpp_macro): New member node.
8084 (parse_args): Only warn about missing rest args if not
8086 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8087 (cpp_sys_objmacro_p): New.
8088 (_cpp_create_definition): Store the node with the macro defn.
8089 Remember if the macro is defined in a system header.
8091 2001-02-13 DJ Delorie <dj@redhat.com>
8093 * configure.in (check_languages): determine languages to check
8094 * Makefile.in (check-c++): alias for check-g++
8095 (check-f77): alias for check-g77
8096 (CHECK_TARGETS): depend on configured languages
8098 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8100 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8101 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8102 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8103 (sqrtextendsfdf2): Disable for SSE2.
8105 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8107 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8108 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8109 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8110 (sqrtextendsfdf2): Disable for SSE2.
8112 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8114 * i386.md (movsfcc_1): Support integer cmove instruction.
8115 (movdfcc_1): Likewise; new splitter.
8117 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8119 * i386.c (output_fp_compare): Support SSE.
8120 (prepare_fp_compare_args): SSE comparisons always support memory.
8121 * i386.h (TARGET_CMOVE): SSE imply cmove.
8122 * i386.md (cmp?f2): Enable for SSE too.
8123 (cmpfp_i*): Support SSE.
8125 (cmpfp_i_sse_only): New.
8126 (s*, b* fp expanters): Enable for SSE too.
8127 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8130 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8132 * regclass.c (init_reg_sets_1): Silence warning.
8134 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8136 * i386.md (sqrt?f2): Change to expander.
8137 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8139 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8141 * rtlanal.c (find_reg_equal_equiv_note): New function.
8142 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8143 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8144 * rtl.h: Add declarations for above functions.
8146 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8148 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8150 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8151 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8152 * flow.c (mark_regs_live_at_end): Likewise.
8153 (calculate_global_regs_live): Likewise.
8154 * gcse.c (compute_hash_table): Likewise.
8155 (compute_kill_rd): Likewise.
8156 * resource.c (mark_target_live_regs): Likewise.
8157 * rtl.h (INVALID_REGNUM): New macro.
8159 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8161 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8163 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8165 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8168 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8170 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8172 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8173 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8174 (fop_sf_1_sse, fop_df_1_sse): New patterns
8175 (fop_*): Disable float_extend and float patterns for SSE compilation.
8176 * i386.c (output_387_binary_op): Support SSE.
8178 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8180 * i386.md (dummy_extendsfdf2): Support SSE2
8181 (extendsfdf2): Enable if 80387 or SSE2.
8182 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8183 and no MIX_I387_SSE2
8184 (extendsfdf2_1_sse_only): New pattern.
8185 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8187 (truncdfsf2_1): Support SSE.
8188 (truncdfsf2_2): Support SSE.
8189 (truncdfsf2_2_1_sse): New pattern.
8190 (fixtruncsfsi2): Always use SSE if available.
8191 (fix_truncsfsi_sse): New pattern.
8192 (fix_truncdfsi_sse): New pattern.
8193 (floatsis?f2): Support SSE.
8194 (floatsidf2_i387): New pattern.
8195 (floatsidf2_sse): Likewise.
8197 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8199 * configure.in: Use "have_gnat" variable, not "gnat".
8200 * configure: Regenerated.
8202 * config/sparc/sparc.c (function_value): Treat all non-record
8203 aggregate types like used to treat UNION_TYPE.
8205 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8207 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8208 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8210 (MASK_MIX_SSE_I387): New.
8211 (TARGET_SSE): SSE2 imply SSE.
8212 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8213 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8214 (enum reg_class): Add new classes.
8215 (REG_CLASS_NAMES): Likewise.
8216 (REG_CLASS_CONTENTS): Likewise.
8217 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8218 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8219 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8220 (CLASS_MAX_NREGS): Use new macros.
8221 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8222 * i386.md (pushsf, movsf): Support SSE.
8223 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8224 splitters to use ANY_FP_REGNO_P.
8225 (movdf_nointeger, movdf_integer): Likewise.
8227 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8229 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8230 (try_combine): Use it.
8232 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8234 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8235 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8236 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8237 (REGISTER_MOVE_COST): Likewise.
8238 * i386-protos.h (ix86_secondary_memory_needed,
8239 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8240 * i386.c (ix86_secondary_memory_needed,
8241 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8243 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8245 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8246 (HARD_REGNO_MODE_OK): Move offline to ....
8247 * i386.c (ix86_hard_regno_mode_ok) ... here;
8248 refuse all incorrect modes.
8249 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8251 2001-02-13 Richard Henderson <rth@redhat.com>
8253 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8254 entire operator; replicate that and match_dup the operands.
8255 (cmp_ccx_arith_op_set): Likewise.
8256 (cmp_cc_arith_op_not_set): Likewise.
8257 (cmp_ccx_arith_op_not_set): Likewise.
8259 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8261 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8263 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8265 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8266 (TARGET_NO_BITFIELD_WORD): New macro.
8267 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8268 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8270 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8272 * cselib.c: New file, from simplify-rtx.c.
8273 * simplify-rtx.c: Remove cselib parts.
8274 * Makefile.in: Add cselib.o.
8276 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8278 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8279 (setup_incoming_varargs): Remove warning.
8281 * config/rs6000/rs6000.c (validate_condition_mode): When
8282 flag_fast_math, allow floating-point conditionals to be reversed.
8283 (rs6000_generate_compare): When flag_fast_math, don't generate
8284 cror operations for FP conditionals.
8286 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8288 (ASM_SPEC): Likewise.
8289 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8290 (CC1_SPEC): Likewise.
8291 (LINK_TARGET_SPEC): Likewise.
8292 (CPP_ENDIAN_SPEC): Likewise.
8293 * Makefile.in (check-consistency): New target.
8295 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8297 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8298 "return type defaults" warning for functions with return type
8300 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8301 function declarations by default rather than only when pedantic.
8303 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8305 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8308 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8310 * extend.texi (Deprecated): Deprecate new initializer lists.
8312 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8314 * mkdeps.c (deps_add_default_target): Robustify. Add
8315 basename component only.
8316 * cpp.texi (-M): Describe how default target is generated.
8317 * invoke.texi (-M): Likewise.
8319 2001-02-12 Kazu Hirata <kazu@hxi.com>
8321 * toplev.c (push_float_handler): Remove.
8322 (pop_float_handler): Remove.
8323 * toplev.h: Remove prototypes for the above functions.
8325 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8327 * c-common.c (constant_fits_type_p): New function.
8328 (convert_and_check): Use it.
8330 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8332 * Makefile.in (GXX_ABI_FLAG): Don't define.
8333 * configure.in (--enable-new-gxx-abi): Remove option.
8334 * config.in: Regenerated.
8335 * configure: Likewise.
8337 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8339 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8341 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8342 regular basic block, and arrange for all edges into it to switch
8345 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8347 * Makefile.in (distclean): Do not remove .gdbinit.
8349 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8351 * Makefile.in (gcc.o): Fix typos.
8352 (protize.o): Likewise.
8353 (unprotoize.o): Likewise.
8355 2001-02-11 Richard Henderson <rth@redhat.com>
8357 * tree.c (build1): Check for null operand in last change.
8359 2001-02-11 Richard Henderson <rth@redhat.com>
8361 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8362 (fold): Don't assume a constant isn't foldable.
8363 * tree.c (build): Set TREE_CONSTANT for an expression with no
8364 side-effects and constant operands.
8367 2001-02-10 Richard Henderson <rth@redhat.com>
8369 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8371 2001-02-10 Anthony Green <green@redhat.com>
8373 * cpp.texi (Standard Predefined): Add documentation for
8376 * c-common.c (combine_strings): Improve warning message.
8378 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8380 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8382 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8384 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8386 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8389 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8391 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8394 2001-02-09 Nick Clifton <nickc@redhat.com>
8396 * config/arm/arm.md: Change output contraint on post inc
8397 load/store multiple patterns to be a read/write contraint.
8399 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8401 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8402 .o files when using the -M options.
8404 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8405 David Edelsohn <edelsohn@gnu.org>
8407 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8408 handle DImode constants. Use one TOC entry for SImode and smaller
8409 constants, aligned properly.
8411 2001-02-08 Jason Merrill <jason@redhat.com>
8413 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8414 about the SP adjustment for saving the static chain pointer.
8415 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8416 offset when setting a temporary CFA register.
8418 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8420 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8421 powerpc-*-chorusos* .
8422 * config/rs6000/chorus.h : New file.
8423 * config/i386/chorus.h : New file.
8424 * config/sparc/chorus.h : New file.
8425 * config/sparc/t-chorus-elf : New file.
8427 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8429 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8430 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8431 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8432 (__WCHAR_TYPE__): Correct macro name.
8434 2001-02-08 Richard Henderson <rth@redhat.com>
8436 * config/i386/i386.c (ix86_frame_pointer_required): New.
8437 (ix86_setup_frame_addresses): New.
8438 (struct machine_funciton): Add accesses_prev_frame.
8439 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8440 ix86_frame_pointer_required.
8441 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8442 (SETUP_FRAME_ADDRESSES): New.
8443 * config/i386/i386-protos.h: Update.
8444 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8445 from FRAME_POINTER_REQUIRED.
8446 * config/i386/svr3gas.h: Likewise.
8447 * config/i386/sysv3.h: Likewise.
8448 * config/i386/v3gas.h: Likewise.
8450 2001-02-08 Richard Henderson <rth@redhat.com>
8452 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8453 calculation of the number of integer registers required.
8454 (function_arg_record_value): Likewise.
8456 2001-02-08 Jason Merrill <jason@redhat.com>
8458 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8459 two. Print file and line with "confused" message.
8461 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8463 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8465 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8467 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8469 * final.c (cleanup_subreg_operands): The address of a MEM can
8472 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8475 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8477 * gcc.texi (Incompatibilities): Update documentation of
8478 preprocessing numbers.
8480 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8482 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8484 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8486 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8488 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8489 * gcc.c (struct compiler): Add cpp_spec field.
8490 (input_file_compiler): New variable.
8491 (do_spec_1): Allow a particular compiler to handle `%C'
8493 (main): Store the current compiler in input_file_compiler.
8494 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8496 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8498 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8499 * cppinit.c (cpp_create_reader): Initialize them.
8500 (append_include_chain): cxx_aware arg might be unused.
8501 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8502 keywords and give them their phase 7 meaning. Pedwarn about
8503 this unless '__bool_true_false_are_defined' is defined.
8505 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8507 * lcm.c (optimize_mode_switching): Emit mode_set before the
8508 JUMP_INSN of an abnormal edge.
8510 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8512 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8513 a scheduling barrier at the end.
8515 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8517 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8519 * config/sh/sh.md (reload_outsf): Removed.
8520 (movsf_ie): Introduce constraints for FPUL loads and stores.
8521 (reload_insf): Broaden the output constraint.
8523 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8525 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8526 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8528 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8530 * final.c: Revert my previous changes.
8531 * output.h: Make profile_label_no extern.
8532 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8533 for generating label.
8535 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8537 * config/i386/djgpp.h: Add comments about standard paths.
8538 (MD_EXEC_PREFIX): Undefine before defining.
8539 (MD_STARTFILE_PREFIX): New.
8541 2001-01-30 Bruce Korb <bkorb@gnu.org>
8543 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8544 (load_file): do not rely on load_file_data() to close file pointer
8545 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8546 fixinc/inclhack.def(irix_limits_const): add test_text
8548 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8550 * cppexp.c (parse_defined): Improve diagnostics for invalid
8553 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8555 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8557 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8559 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8560 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8561 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8562 (rs6000_output_symbol_ref): New function.
8563 (output_toc): Use VTABLE_NAME_P.
8565 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8567 * print-tree.c (print_node, case PARM_DECL):
8568 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8570 * stor-layout.c (reference_types_internal): New variable.
8571 (internal_reference_types): New function.
8572 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8573 * tree.h (internal_reference_types): New declaration.
8575 * cse.c (find_best_addr): Fix typo in computing cost.
8577 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8579 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8580 and this is the sum of a pointer and a constant, we know the result
8582 (num_sign_bit_copies, case PLUS): Likewise.
8583 * explow.c (convert_memory_address): Remove opposite SUBREG.
8584 * function.c (instantiate_new_reg): New function (from common code).
8585 (instantiate_virtual_regs_1): Call it.
8586 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8587 if pointers sign- or zero-extend.
8588 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8589 If pointers extend unsigned, use inside of SUBREG.
8590 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8592 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8594 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8595 subdir of gcc_gxx_include_dir.
8596 (gcc_gxx_target_include_dir): Remove.
8598 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8600 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8601 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8602 a high-level description.
8604 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8606 * final.c: Move the declaration of profile_label_no to ...
8607 * output.h: ... here.
8608 * function.c (expand_function_start): Call PROFILE_HOOK.
8609 * config/rs6000/aix.h: Define PROFILE_HOOK.
8610 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8611 * config/rs6000/rs6000.c (output_profile_hook): Define.
8612 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8613 output_profile_hook.
8614 tm.texi : Explain new macro PROFILE_HOOK.
8616 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8618 * extend.texi (Extended Asm): Do not say that semicolon is always
8619 a valid line-breaking character for GNU assemblers. Use
8620 newline-tab as the most commonly supported syntax. Use
8621 newline-tab rather than semicolon in multi-insn examples.
8623 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8625 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8627 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8628 David Edelsohn <edelsohn@gnu.org>
8630 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8631 code for AIX, even without flag_pic.
8633 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8635 * c-typeck.c (common_type): push and pop binding level around
8636 calling common_type on function parameters.
8638 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8640 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8642 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8644 * config/mips/mips.c (override_options): Fix typo in last change.
8645 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8646 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8648 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8650 * invoke.texi (-fdump-class-layout): Document.
8651 (-fdump-translation-unit): Use `=' as filename separator.
8653 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8655 * Makefile.in (s-mlib): Don't build multilibs if
8657 (DRIVER_DEFINES): Adjust accordingly.
8659 (protoize.o): Likewise.
8660 (unprotoize.o): Likewise.
8661 * configure.in: Recognize --enable-multilib.
8663 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8665 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8667 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8668 * configure.in: Remove --enable-libstdcxx_v3 support.
8669 * configure: Regenerated.
8671 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8673 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8674 Call abort instead of fatal.
8675 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8676 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8677 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8678 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8679 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8680 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8682 * diagnostic.h (set_internal_error_function): Renamed.
8683 * toplev.h (internal_error): Renamed from fatal.
8684 (pfatal_with_name): Deleted.
8685 (fatal_io_error): Now has printf-style arguments.
8686 * diagnostic.c (pfatal_with_name): Deleted.
8687 (fatal_io_error): Rework to have args in printf-style.
8688 (set_internal_error_function): Renamed from set_fatal_function.
8689 (internal_error): Renamed from fatal.
8690 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8691 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8692 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8693 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8694 * flow.c (verify_flow_info): Likewise.
8695 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8696 * config/mips/mips.c (save_restore_insns): Likewise.
8698 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8699 * flow.c (verify_flow_info): Likewise.
8700 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8701 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8702 (avr_normalize_condition): Likewise.
8703 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8704 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8705 (limit_reload_class, double_reg_to_memory): Likewise.
8706 (print_operand_address, emit_1600_code_shift): Likewise.
8707 (gen_tst_reg, gen_compare_reg): Likewise.
8708 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8709 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8711 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8713 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8714 * objc/objc-act.c (build_ivar_chain): Likewise.
8715 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8717 * graph.c (clean_graph_dump_file): Likewise.
8718 * profile.c (init_branch_prob): Likewise.
8719 * objc/objc-act.c (objc_init): Likewise.
8721 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8722 * config/avr/avr.c (avr_override_options): Likewise.
8723 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8724 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8725 * config/h8300/h8300.c (h8300_init_once): Likewise.
8726 * config/mips/mips.c (override_options): Likewise.
8727 * config/i386/i386.c (override_options): Likewise, rework.
8728 * config/m68k/m68k.c (override_options): Likewise.
8730 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8732 * config/mips/mips.c (print_operand): Likewise.
8733 * hash.c (hash_allocate): Don't check for failure returns from
8734 obstack functions that can't fail.
8735 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8736 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8737 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8738 (get_object_reference): Likewise.
8740 2001-02-04 Nick Clifton <nickc@redhat.com>
8742 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8743 StrongARM1110, 10TDMI, and 1020T.
8745 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8747 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8749 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8751 * config/sh/sh.md (movdf load split): Pass register number to
8752 FP_OR_XD_REGISTER_P.
8754 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8756 * cppinit.c (BC): New macro.
8757 (builtin_array): Add __GXX_WEAK__.
8758 * cpplib.h (builtin_type): Add BT_WEAK.
8759 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8760 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8761 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8763 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8765 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8767 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8769 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8770 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8772 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8774 * cpphash.h: Rename ALIGN _ALIGN.
8775 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8777 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8779 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8780 compilation environment.
8781 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8782 control over location of cygwin includes and libs.
8784 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8786 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8788 2001-02-02 lars brinkhoff <lars@nocrew.org>
8790 * md.texi (Standard Names): remove reference to spur.md.
8792 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8794 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8795 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8796 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8797 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8798 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8800 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8802 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8803 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8804 number before reload.
8805 (c4x_adjust_cost): Return zero before reload.
8806 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8807 split before reload.
8809 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8811 * c4x.c (c4x_hard_regno_rename_ok): New.
8812 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8813 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8815 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8817 * diagnostic.h: Add missing "extern" in all declarations.
8819 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8821 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8822 as for gcc_gxx_include_dir.
8824 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8826 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8828 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8830 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8831 label before alignment to be used as the braf base address.
8832 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8834 (casesi_jump_2): Require at least TARGET_SH2.
8836 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8837 truncation to 32-bit doubles on -m3e and -m4-single-only.
8839 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8841 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8842 the default when building a shared object.
8843 (init_spec): Use it.
8844 * testsuite/lib/g++.exp: Include the directory where libgcc
8845 is located to the LD_LIBRARY_PATH list.
8846 * invoke.texi (-shared-libgcc): Document the cases in which
8847 GCC defaults to using the shared libgcc.
8849 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8851 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8852 unsigned is wide enough.
8854 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8855 (si_to_float): Likewise.
8856 (float_to_si, float_to_usi): Use BITS_PER_SI.
8858 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8860 * dwarf2out.c: Added explanation of abbreviations.
8861 (def_cfa_1): Added comments listing DWARF2 instructions.
8862 (cfa_temp_reg): Removed in favor of cfa_temp.
8863 (cfa_temp_value): Removed in favor of cfa_temp.
8864 (cfa_temp): New global variable.
8865 (dwarf2out_frame_debug_expr): Added extensive introductory
8866 comments explaining the function's transformations. Revised to
8867 use cfa_temp. Added some rtx checking. Generalize IOR case.
8868 (dwarf2out_frame_debug): Revised to use cfa_temp.
8869 (output_aranges): Cast as "unsigned" to avoid warning.
8870 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8871 explain which instructions must be marked.
8873 2001-02-01 Richard Henderson <rth@redhat.com>
8875 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8878 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8880 * config/sh/crt1.asm (main_k): Modified so that start calls
8881 ___setup_argv_and_call_main.
8883 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8885 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8886 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8887 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8888 * cppmacro.c (builtin_macro): Set builtin flags here.
8889 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8890 (replace_args): Clarify intent.
8891 (cpp_get_token): Macro expansion tokens get the saved flags.
8893 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8896 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8898 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8901 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8903 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8904 returns Pmode pseudo, but we need ptr_mode.
8905 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8906 Remove bogus conversions; use HOST_WIDE_INT for size.
8907 Don't use TARGET if wrong mode.
8909 * config/i386/i386.c (ix86_compute_frame_size): Allow
8910 stack_alignment_needed to be non-default even if size is zero.
8912 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8914 * pa.c (hppa_init_pic_save): New function.
8915 * pa.h (hppa_init_pic_save): Declare.
8916 * pa.md (call, call_value, sibcall, sibcall_value): Use
8917 the above instead of duplicated code.
8919 * pa.c (hppa_encode_label): Correct size of alloca buffer
8920 so we don't overrun it. Correct leading `*' case.
8921 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8922 need to handle `*@'.
8923 (FUNCTION_NAME_P): Likewise.
8925 2001-01-31 Richard Henderson <rth@redhat.com>
8927 * config.gcc (alpha-osf5): Use float-i128.h.
8929 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8930 * config/float-i32.h: Likewise.
8931 * config/float-i64.h: Likewise.
8932 * config/float-sh.h: Likewise.
8933 * config/float-sparc.h: Likewise.
8935 2001-01-31 DJ Delorie <dj@redhat.com>
8937 * expmed.c (extract_bit_field): allow non-integral modes if we
8938 want to extract a whole register from itself.
8940 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8942 * c-typeck.c (set_init_index): If first is equal to last, assume as
8943 if it was not a range at all.
8945 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8947 * config/fp-bit.c: Include tm.h.
8948 (float_to_si): Don't assume SImode is 32-bits wide.
8949 (float_to_usi): Likewise.
8951 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8953 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8955 (typename): Call pending_xref_error after parsing typed_typespecs.
8956 * c-decl.c (lookup_tag): Give error immediately rather than
8957 leaving it pending if the tag of the wrong type is in the same
8959 (xref_tag): Don't pedwarn for forward declarations of enum types
8961 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8964 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8966 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8968 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8970 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8971 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8973 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8975 * cpphash.h (struct cpp_reader): New saved_flags.
8976 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8977 to avoid a paste after a pasted token.
8979 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8981 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8982 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8983 Wtype_MIN instead of LONG_MIN.
8985 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8987 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8989 * fixinc/fixincl.x: Regenerated.
8990 * fixinc/inclhack.def (irix_limits_const): New definition to
8991 convert "const" to "__const" in limits.h.
8993 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8995 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8997 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8999 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9000 when register dies in the insn.
9002 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9004 * diagnostic.c (fatal): Fix word wrap.
9006 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9008 * combine.c (try_combine): Fix SUBREG setting for
9009 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9011 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9013 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9016 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9018 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9020 * toplev.c (decode_W_option): Update warn_larger_than
9021 unconditionally for each processed switch.
9023 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9025 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9027 (hppa_expand_prologue): Delete code to save pic offset table register
9028 in the function prologue.
9029 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9030 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9031 table register at the beginning of the function after the prologue.
9033 2001-01-29 lars brinkhoff <lars@nocrew.org>
9035 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9037 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9038 Jeff Law <law@redhat.com>
9040 * pa.md (return): Revise comment for trivial return.
9041 (return_internal): Non-trivial return pattern for non-PIC code.
9042 (return_internal_pic): Non-trivial return pattern for PIC code.
9043 It uses the PIC register to ensure it is restored after
9045 (epilogue): Generate appropriate return for PIC and non-PIC code.
9047 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9049 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9051 2001-01-29 DJ Delorie <dj@redhat.com>
9053 * combine.c (if_then_else_cond): Pass the correct mode to
9054 operand_subword() for constants.
9056 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9058 * config/i386/cygwin.h: Add w32api to include search. Search different
9059 directories in a cross-build environment.
9061 2001-11-29 Tim Josling <tej@melbpc.org.au>
9063 * tree.h (TYPE_STUB_DECL): Add documentation.
9065 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9067 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9068 (sdbout_field_types): Likwise. Fix use of host_integerp.
9070 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9072 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9075 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9077 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9078 to use flag_gnu_linker.
9080 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9082 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9083 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9085 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9087 * tree.c, tree.h (build_parse_node): Remove; was identical to
9089 * c-lang.c (start_cdtor), objc/objc-act.c
9090 (build_module_descriptor): Use build_nt instead of
9093 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9095 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9096 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9097 not have any upper bits set.
9099 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9101 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9103 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9105 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9107 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9109 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9110 (integer_minus_one_node): Define.
9112 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9114 * Makefile.in (bootstrap2-lean): Fix typo.
9116 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9118 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9119 : Don't set fe_value.
9120 * cpplib.h (AVOID_LPASTE): New flag.
9121 (struct cpp_hashnode): Remove fe_value.
9122 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9123 * cppmacro.c (builtin_macro): Don't set flags here.
9124 (replace_args): Set AVOID_LPASTE flag on first token of an
9125 argument, and the token following it.
9126 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9127 macro expansion, and on the token following it. Do it for
9129 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9131 2001-01-27 Richard Henderson <rth@redhat.com>
9133 * config/alpha/t-ieee: Remove multilibbing.
9134 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9136 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9138 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9140 * Makefile.in: Remove all dependencies on defaults.h.
9141 * builtins.c: Don't include defaults.h.
9142 * c-common.c: Likewise.
9143 * c-decl.c: Likewise.
9144 * c-pragma.c: Likewise.
9145 * c-typeck.c: Likewise.
9146 * combine.c: Likewise.
9148 * frame-ia64.c: Likewise.
9149 * cppexp.c: Likewise.
9150 * crtstuff.c: Likewise.
9151 * dbxout.c: Likewise.
9152 * dwarf2out.c: Likewise.
9153 * dwarfout.c: Likewise.
9154 * emit-rtl.c: Likewise.
9155 * except.c: Likewise.
9157 * final.c: Likewise.
9158 * frame-dwarf2.c: Likewise.
9159 * libgcc2.c: Likewise.
9160 * optabs.c: Likewise.
9161 * profile.c: Likewise.
9162 * sdbout.c: Likewise.
9163 * toplev.c: Likewise.
9164 * tradcif.y: Likewise.
9166 * varasm.c: Likewise.
9168 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9170 * builtins.c (expand_builtin_fputs): Use size_one_node when
9171 transforming into fwrite.
9173 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9175 * extend.texi (Attribute Syntax): New section.
9177 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9179 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9180 they didn't need fixing.
9182 2001-01-27 Janis Johnson <janis@us.ibm.com>
9184 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9186 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9187 to remove macro definitions that are duplicated from elfos.h.
9189 2001-01-27 Richard Henderson <rth@redhat.com>
9191 * config/i386/sco5gas.h: Move ...
9192 * config/usegas.h: ... here.
9193 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9195 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9197 * c-typeck.c (struct constructor_stack): Add range_stack member.
9198 (really_start_incremental_init): Clear it.
9199 (push_init_level): Save constructor_range_stack and clear it if
9200 pushing explicit braces.
9201 (pop_init_level): abort if constructor_range_stack is non-zero at
9202 explicit closing brace. Restore saved constructor_range_stack if
9205 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9207 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9208 into register was forced into memory.
9210 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9212 * Makefile.in: Remove uses of + before $(MAKE).
9214 2001-01-26 Richard Henderson <rth@redhat.com>
9216 * stmt.c (cost_table): Remove.
9217 (COST_TABLE, cost_table_initialized): New.
9218 (estimate_case_costs): Use the later instead of the former.
9219 (balance_case_nodes): Likewise.
9221 2001-01-26 Richard Henderson <rth@redhat.com>
9223 * alias.c (objects_must_conflict_p): Read-only slots may not
9224 conflict despite having the same type.
9226 2001-01-27 Michael Hayes <mhayes@redhat.com>
9228 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9230 (check_ext_dependant_givs): Initialise u_start_val and
9232 (load_mems): Make last_max_reg unsigned.
9233 (try_swap_copy_prop): Use INSN_P and initialise set.
9235 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9237 * README.AVR : Removed.
9239 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9241 * pa-64.h (text_section): Remove declaration.
9243 * pa.md (return_internal): Remove mode on PIC register use.
9245 2001-01-25 lars brinkhoff <lars@nocrew.org>
9247 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9248 ASM_CLOSE_PAREN): fix typos.
9250 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9252 * acconfig.h: Define `const' to the empty string if neither
9253 __STDC__ nor __cplusplus is defined.
9254 * config.in: Regenerated.
9256 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9258 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9259 * collect2.c (main): Delete importf. Add ".obj" file extension.
9260 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9261 (aix_std_libs): Add additional AIX libraries to skip.
9262 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9263 * config/rs6000/aix51.h: New file.
9265 2001-01-25 Michael Hayes <mhayes@redhat.com>
9267 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9268 (loop_insn_emit_before): No longer static.
9269 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9270 (loop_givs_rescan, load_mems): Likewise.
9271 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9272 (maybe_eliminate_biv_1):
9273 (move_movables): Replace emit_call_insn_before with
9274 loop_call_insn_hoist.
9275 * loop.h (loop_insn_emit_before): Add.
9276 * unroll.c (copy_loop_body): Replace emit_insn_before with
9277 loop_insn_emit_before.
9279 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9281 * diagnostic.c (fatal): Request preprocessed source.
9283 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9285 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9286 olddecl has argument types and newdecl has none, use the argument
9289 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9291 * dwarf2out.c (prefix_of): New function. Determine longest common
9292 prefix of the two arguments. The units are whole path components.
9293 (output_file_names): When adding a new directory find the one entry
9294 with the longest common prefix already in the list. Artificially
9295 generate entry if there is none for this prefix.
9296 Fix test to check whether the zeroth directory entry is used.
9298 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9300 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9301 Changed all callers. Take it into account when deciding if a
9302 previously loaded value matches.
9304 2001-01-24 Richard Henderson <rth@redhat.com>
9306 * reload.c (find_reloads_subreg_address): Fail the substitution
9307 if the resulting address is insufficiently aligned.
9309 2001-01-24 DJ Delorie <dj@redhat.com>
9311 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9312 check the original operand's mode also.
9313 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9315 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9317 * c-parse.in (cast_expr): Move compound literals from here ...
9318 (primary): ... to here. Use standard terminology "compound
9319 literal" instead of "constructor expression".
9321 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9323 * gcc.1, cpp.1: Regenerate.
9325 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9327 * calls.c (emit_library_call_value_1): Memory slot for
9328 pass-by-reference argument should have the mode of the argument,
9329 not of the pointer to it.
9331 2001-01-24 Tom Tromey <tromey@redhat.com>
9333 * gcc.texi (G++ and GCC): Mention gcj manual.
9334 (Standards): Link to section of manual mentioning gcj/Java
9337 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9339 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9340 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9341 * tradcpp.c (main): Add -imacros or -include'd dependencies
9343 * cpp.texi (-M, -MM): Document -M -include behaviour.
9345 2001-01-24 Roger Collins <roger@ProProject.com>
9347 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9349 2001-01-24 Will Cohen <wcohen@redhat.com>
9351 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9352 whether registers are 32 bits or 64 bits in size.
9354 2001-01-24 Ben Elliston <bje@redhat.com>
9356 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9358 2001-01-24 Richard Henderson <rth@redhat.com>
9360 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9361 (builtin_longjmp): Use it instead of emit_indirect_jump.
9363 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9365 * bb-reorder.c (make_reorder_chain_1): Handle case where
9366 jump edge goes to the same block as the fallthru edge.
9368 2001-01-23 Jim Wilson <wilson@redhat.com>
9370 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9371 * frame.h (__ia64_personality_v1): Add prototype.
9372 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9373 prototype form. Add void * cast to first argument to personality
9375 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9376 (asctoe113): Likewise.
9377 * config/ia64/frame-ia64.c: Include eh-common.h.
9378 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9380 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9382 (itanium_split_issue): Add prototype.
9383 (gen_nop_type): Ifdef out.
9384 (find_best_packet): Initialize best_packet.
9385 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9387 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9388 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9389 (flushrs): Add explicit stop bit at end.
9390 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9393 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9395 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9397 * libgcc2.c (__terminate_func): Make variable static.
9398 (__terminate_set_func): New function to set __terminate_func.
9399 * libgcc2.h (__terminate_func_ptr): New typedef.
9400 (__terminate_set_func): New function.
9402 2001-01-23 Richard Henderson <rth@redhat.com>
9404 * flow.c (init_propagate_block_info): Don't consider unchanging
9405 memories for dead frame store elimination.
9407 2001-01-23 Richard Henderson <rth@redhat.com>
9409 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9410 * defaults.h: ... here.
9412 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9414 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9416 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9418 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9420 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9422 * rs6000.h (rs6000_return_addr): Move prototype from here...
9423 * rs6000-protos.h (rs6000_return_addr): ...to here.
9424 (rs6000_init_expanders): Delete prototype.
9426 2001-01-23 Nick Clifton <nickc@redhat.com>
9428 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9429 (Spec Files): Document %B and %j and %. and %v3 and %M and
9430 %{S*&T} spec switches.
9432 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9434 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9436 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9437 Neil Booth <neil@daikokuya.demon.co.uk>
9439 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9440 Have -Werror make pedantic warnings errors, like the
9443 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9445 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9447 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9449 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9450 * integrate.c (expand_inline_function): Initialize them.
9451 (subst_constants): If changing COMPARE so that both its arguments
9452 will be VOIDmode and the comparison mode will be lost, note
9453 compare_mode. Use the recorded compare_mode to optimize
9456 2001-01-23 Jason Merrill <jason@redhat.com>
9458 * dwarf2out.c (new_die): Use xcalloc.
9459 (output_die): Abort rather than emit a local reference to offset 0.
9461 2001-01-17 Andrew Haley <aph@redhat.com>
9463 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9464 of a saved register; return NULL instead.
9465 (copy_reg): Take a pointer to a source register rather than a
9467 (next_stack_level): Remember the address in the stack frame of all
9469 Use the saved register pointer array as the source of the CFA.
9470 (throw_helper): Rewrite. Unwind once rather than twice and keep
9471 track of saved registers as we go.
9473 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9475 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9476 * c4x.c (c4x_legitimize_reload_address): Remove.
9477 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9478 reload address for ldp(k) insn.
9480 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9482 * pa.md (return_internal): Add a USE of the PIC register to ensure
9483 it is restored after each call.
9484 (return expander): Corresponding changes.
9486 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9488 * rs6000.h (INIT_EXPANDERS): Delete.
9489 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9490 * rs6000.c (rs6000_override_options): Call *_machine_status from
9492 (rs6000_init_expanders): ...instead of here. Delete.
9493 (rs6000_mark_machine_status): New function.
9494 (rs6000_init_machine_status): Use xcalloc.
9495 (rs6000_return_addr): Generate RTX for the return address.
9496 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9497 (rs6000_stack_info): Use it.
9499 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9501 * gthr-win32.h: Include errno.h to get a declaration for
9502 EINVAL and _mingw.h if the target is mingw32.
9504 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9506 * cpp.texi: Correct typos.
9508 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9510 * explow.c (probe_stack_range): Ensure value passed to
9511 stack_check_libfunc is ptr_mode, not Pmode.
9513 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9515 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9516 case, don't use operand_subword to calculate a SUBREG that is
9519 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9521 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9523 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9524 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9525 valid. If not replace it by equivalent insns.
9527 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9529 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9530 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9531 (c4x_U_constraint, symbolic_address_operand): Likewise.
9532 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9534 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9535 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9536 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9537 anulling slot because of silicon bug.
9538 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9540 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9542 * cppexp.c (parse_charconst): Change `mask' type to agree
9545 2001-01-21 Richard Henderson <rth@redhat.com>
9547 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9548 pic_label_name in a linkonce section.
9550 2001-01-17 Philipp Thomas <pthomas@suse.de>
9552 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9554 * configure: Regenerate.
9556 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9558 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9559 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9561 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9563 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9564 If REVERSE nonzero then condition code in X must be reversed.
9565 (encode_section_info): Optimise if/else.
9566 (avr_function_value): Fix formatting.
9568 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9569 (difficult_branch): Likewise.
9570 (rvbranch): Likewise.
9571 (difficult_rvbranch): Likewise.
9573 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9575 * config/avr/libgcc.S: Fix comment.
9577 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9579 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9581 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9583 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9585 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9587 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9588 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9589 * configure, config.in: Regenerate.
9590 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9591 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9592 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9593 (doprint.o): New rule.
9595 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9597 * c-typeck.c (digest_init): Handle boolean types as scalars.
9599 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9601 * stmt.c (expand_return): Don't return anything if size is zero.
9602 Delete redundant assignment to BYTES.
9603 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9605 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9607 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9608 the same as the default library function names.
9609 * config/avr/avr.md: Document special characters after '%'.
9610 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9611 knowing which of the call-used registers are really clobbered.
9612 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9613 New. Both quotient and remainder from one libgcc.S call.
9614 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9615 clobber as few registers as possible.
9616 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9618 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9620 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9621 context of the top of the stack.
9623 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9625 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9626 (fixup_var_refs_insns): ...here.
9628 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9630 * function.c (fixup_var_refs_insns): Break up into
9631 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9632 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9633 [loop over hash table entries].
9634 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9635 fixup_var_refs_insns_with_hash, to match above changes.
9637 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9639 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9640 (libgcc.a): Likewise.
9641 (stmp-multilib): Likewise.
9642 (STAGE2_FLAGS_TO_PASS): Likewise.
9644 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9646 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9647 temporary if no_new_pseudos.
9649 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9651 * cppinternals.texi: Update.
9653 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9655 * arm.c (arm_init_builtins): Re-enable builtins.
9657 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9659 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9660 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9661 element to be null, and always expect an EXPR_LIST.
9662 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9663 * sched-deps.c (sched_analyze_1): Likewise.
9664 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9666 * regclass.c (max_set_parallel): New variable.
9667 (reg_scan): Take it into account in computation of max_parallel.
9668 (reg_scan_mark_refs, case SET): Compute it.
9670 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9672 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9673 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9675 2001-01-19 Jason Merrill <jason@redhat.com>
9677 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9678 for the abstract instance of an inline function.
9680 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9681 J"orn Rennecke <amylaar@redhat.com>
9683 * reload1.c (move2add_note_store): Treat all registers directly or
9684 indirectly derived from a base register as members of the same set
9686 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9687 of base register into account.
9689 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9691 * alias.c (find_base_value): Recognize TRUNCATE.
9692 (record_set): In PLUS case, invalidate if other summand is also a
9695 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9697 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9698 entry to be EXPR_LIST.
9699 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9700 be an EXPR_LIST (but not null, which other code doesn't allow).
9701 (note_stores): Properly handle PARALLEL in SET.
9702 Recursively call for top-level PARALLEL.
9703 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9704 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9706 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9708 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9710 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9711 not pfile->skipping (== 0).
9713 2001-01-17 Nick Clifton <nickc@redhat.com>
9715 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9718 2001-01-17 Jim Wilson <wilson@redhat.com>
9720 * invoke.texi (IA-64 options): Improve.
9722 2001-01-17 Tom Tromey <tromey@redhat.com>
9724 * invoke.texi (Optimize Options): Use `{}' to around @samp
9727 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9729 * invoke.texi (-fno-guess-branch-probability): New option.
9731 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9733 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9734 case of making new double-word constant.
9735 Revert last change: instead just test i3_subst_into_i2.
9737 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9739 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9740 Use q constraints instead of r.
9742 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9744 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9745 (machine_function): Define.
9746 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9747 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9748 pa_free_machine_status): New functions.
9749 (override_options): Set {init,mark,free}_machine_status to above.
9750 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9751 PIC_OFFSET_TABLE_REGNUM_SAVED.
9752 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9753 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9754 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9755 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9756 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9758 2001-01-15 DJ Delorie <dj@redhat.com>
9760 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9764 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9766 * flow.c (propagate_one_insn): Make trying to delete a prologue
9767 or epilogue insn an ICE, not a warning. Allow doing this if
9768 the current function returns with stack pointer depressed.
9770 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9771 I3 having more than one SET.
9773 2001-01-16 Jim Wilson <wilson@redhat.com>
9775 * invoke.texi: Document IA-64 options.
9777 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9778 (fixup_errata): Delete TARGET_A_STEP use.
9779 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9780 (TARGET_SWITCHES): Delete -ma-step option.
9781 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9782 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9783 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9784 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9785 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9786 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9788 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9789 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9790 cmovsi_internal): Delete ! TARGET_A_STEP check.
9792 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9794 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9795 possibility to report bugs via postal mail. Change a URL and
9796 merge in a nearly duplicate statement...
9797 (Bug Reporting): ...from here.
9798 (Service): Refer to the Bug Reporting section instead of
9800 (Contributing): Remove trivial explanations concerning snapshots.
9802 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9804 * cppmain.c (general_init): Don't use ANSI prototype.
9806 2001-01-16 Tom Tromey <tromey@redhat.com>
9808 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9810 2001-01-16 Richard Henderson <rth@redhat.com>
9812 * config/i386/i386.h: Fix comment typo.
9813 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9814 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9816 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9818 * gcc.c: Revert previous -fsyntax-only-related change; move
9821 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9823 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9824 inmode after checking GET_CODE (op).
9826 2001-01-16 Richard Henderson <rth@redhat.com>
9828 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9829 (MAX_MEM_SET_LIST_LEN): New.
9830 (propagate_one_insn): Update mem_set_list_len.
9831 (invalidate_mems_from_autoinc): Likewise.
9832 (invalidate_mems_from_set): Likewise.
9833 (mark_used_regs): Likewise.
9834 (init_propagate_block_info): Likewise. Stop collecting memories
9835 when we reach MAX_MEM_SET_LIST_LEN.
9836 (mark_set_1): Likewise.
9838 2001-01-16 Richard Henderson <rth@redhat.com>
9840 * unroll.c (precondition_loop_p): Fail if no iteration
9843 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9845 * gcc.c: When -fsyntax-only is given, do not complain about
9848 2001-01-15 Richard Henderson <rth@redhat.com>
9850 * config/i386/i386.c (asm_output_function_prefix): Remove.
9851 (ix86_asm_file_end): New.
9852 (load_pic_register): Generate pic_label_name into a
9853 staticly allocated buffer.
9854 * config/i386/i386-protos.h: Update.
9855 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9856 (ASM_FILE_END): New.
9857 * config/i386/i386afe.h: New file.
9858 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9859 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9860 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9861 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9862 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9863 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9864 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9866 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9868 * Makefile.in (install-man): Remove explicit dependency on
9871 * configure.in, configure: Revert previous patch requiring perl
9874 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9876 * toplev.c (flag_guess_branch_prob): New.
9877 (f_options): Add guess-branch-probability option.
9878 (rest_of_decl_compilation): Only estimate branch probability if
9880 (main): set flag_guess_branch_prob.
9882 * flags.h (flag_guess_branch_prob): New.
9884 2001-01-15 DJ Delorie <dj@redhat.com>
9886 * gcc.texi (Makefile): Add documentation for Makefile targets.
9888 2001-01-15 Philip Blundell <philb@gnu.org>
9890 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9892 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9893 (is_pic): Delete declaration.
9894 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9895 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9896 * config/arm/arm.md (builtin_setjmp_receiver): New.
9898 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9900 * arm.c (use_return_insn): Don't try to determine the function type
9901 until after reload has completed.
9902 (arm_output_epilogue): Don't adjust the sp value recovered from the
9904 (emit_multi_reg_push): Don't record dwarf information for the pc.
9905 * arm.md (eh_epilogue): The function type may have changed, so it
9906 needs to be recalculated.
9907 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9908 unwind tables on arm/netbsd.
9910 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9912 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9913 (negated_cbranchsi4): Likewise.
9915 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9917 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9918 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9919 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9920 pass -mapcs-* options to assembler.
9921 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9922 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9923 (ASM_SPEC): Call subtarget_extra_asm_spec.
9925 2001-01-15 Andreas Jaeger <aj@suse.de>
9927 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9929 (ix86_expand_builtin): Likewise.
9931 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9932 warning about comparison between signed and unsigned.
9934 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9936 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9938 2001-01-14 Ralf Baechle <ralf@gnu.org>
9940 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9941 SUBTARGET_CPP_SPEC apropriatly.
9943 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9945 * varasm.c (make_decl_rtl): Fix typo in last change.
9947 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9949 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9950 linker supports the init_priority C++ attribute.
9951 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9952 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9953 linker does not support init_priority C++ attribute.
9955 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9957 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9959 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9961 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9962 * cp/lex.c (finish_parse): Similarly.
9963 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9964 Return the number of errors encountered.
9965 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9966 * cppmain.c (main): Don't call cpp_destroy.
9968 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9970 * configure.in: Require at least perl 5.6.0 to regenerate
9972 * configure: Regenerate.
9974 2001-01-14 Richard Henderson <rth@redhat.com>
9976 * genrecog.c (DT_veclen_ge): New.
9977 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9978 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9979 (nodes_identical_1): Handle DT_veclen_ge.
9980 (write_cond, debug_decision_2): Likewise.
9982 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9984 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9986 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9988 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9990 * cppmain.c (do_preprocessing): New function; most of the old
9992 (main): Call it to do most of the work.
9993 (cb): Move from global scope to set_callbacks ().
9994 (setup_callbacks): Get the callback pointer.
9995 (general_init, printer_init): Clean up code and comments.
9997 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9999 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10002 2001-01-14 Kazu Hirata <kazu@hxi.com>
10004 * config/h8300/h8300.c (get_shift_alg): Update comments.
10006 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10008 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10009 (alloc_page, ggc_alloc): Add casts to remove warnings.
10011 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10013 * combine.c (simplify_comparison): Don't change `code' when
10014 can't reverse comparison.
10016 2001-01-14 Richard Henderson <rth@redhat.com>
10018 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10019 update all call sites. Return true for all non-label constants.
10021 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10023 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10025 (ix86_expand_branch): Update.
10026 (ix86_expand_setcc): Update to handle multiple test conditions.
10027 (expand_int_movcc): Likewise.
10028 (expand_fp_movcc): Likewise.
10029 * i386-protos.h (ix86_expand_compare): New.
10030 * i386.md (andqi_?_slp, orqi_?_slp): New.
10031 (conditional trap expander): Update call to ix86_expand_compare.
10033 2001-01-14 Richard Henderson <rth@redhat.com>
10035 * config/vax/vax.md: Use nonimmediate_operand instead of
10036 general_operand in destinations.
10038 * config/vax/vax.md (indirect_jump): Use register_operand.
10040 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10041 * config/vax/vax.md (call_pop): Turn into an expander.
10042 (call_value_pop): Likewise.
10043 (call, call_value): New.
10045 2001-01-14 Andreas Jaeger <aj@suse.de>
10047 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10049 (ix86_fp_compare_mode): Add unused attribute.
10050 (ix86_expand_fp_movcc): Remove unused variable.
10051 (ix86_expand_builtin): Make fcode unsigned.
10053 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10054 (expand_expr): Add cast to avoid signed warning.
10055 (store_field): Likewise.
10056 (store_constructor_field): Likewise.
10057 (store_constructor): Likewise.
10058 (store_expr): Likewise.
10059 (clear_storage): Likewise.
10060 (emit_group_store): Likewise.
10061 (emit_group_load): Likewise.
10063 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10065 * c-common.c: Move format checking code to ...
10066 * c-format.c: ... here. New file. Reorder some functions and
10068 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10070 * c-common.h (decl_handle_format_attribute,
10071 decl_handle_format_arg_attribute): Declare.
10072 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10073 (c-common.o): Adjust dependencies.
10074 (c-format.o): New list of dependencies.
10076 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10078 * unroll.c (loop_iterations): If we cannot prove iteration variable
10079 is set once in each iteration, punt.
10081 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10083 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10084 (*strlenhi): Remove clobber (which was buggy) of output address.
10086 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10088 * Makefile.in (generated-manpages): Add gcc.1
10089 ($(srcdir)/gcc.1): New target.
10090 (maintainer-clean): Delete $(srcdir)/gcc.1.
10091 * gcc.texi: Add macros @gccoptlist and @gol.
10092 * invoke.texi: Include option summary in manpage. Mark up option
10093 summary with @gccoptlist and @gol. Use @r in one place where
10095 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10096 * gcc.1: Generate from invoke.texi.
10098 2001-01-13 Richard Henderson <rth@redhat.com>
10100 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10101 (struct page_entry): Add group member.
10102 (struct page_group): New.
10103 (struct globals): Add page_groups member.
10104 (alloc_anon): Only define for using mmap; remove valloc call.
10105 (page_group_index): New.
10106 (set_page_group_in_use): New.
10107 (clear_page_group_in_use): New.
10108 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10109 (free_page, release_pages): Likewise.
10110 * configure.in (with-gc): Default to ggc-page always.
10112 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10114 * reload1.c (replace_pseudos_in_call_usage): Use
10115 reg_equiv_constant and reg_equiv_address, and don't try
10116 regno_reg_rtx first.
10118 2001-01-13 Richard Henderson <rth@redhat.com>
10120 * ggc-page.c (alloc_page): Round up allocation size to one page.
10121 Set e->order on extra pages.
10123 2001-01-13 Richard Henderson <rth@redhat.com>
10125 * genrecog.c (nodes_identical): Expand commentary.
10126 (write_switch): Watch out for identical nodes.
10128 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10130 * cppfiles.c (_cpp_fake_include): New function.
10131 * cpphash.h (_cpp_fake_include): New.
10132 * cpplib.c (do_line): Call _cpp_fake_include when entering
10133 header files in preprocessed input.
10134 * cppmain.c (cb_pragma_implementation): Remove handling.
10135 (setup_callbacks): Don't register pragmas.
10137 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10139 * extend.texi: Udate for CPP.
10141 2001-01-13 Andreas Jaeger <aj@suse.de>
10143 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10145 * regmove.c: Add prototype for replace_in_call_usage.
10147 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10149 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10150 struct cpp_chunk, struct htab, struct toklist,
10151 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10152 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10153 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10154 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10155 (struct macro_args): Delete.
10156 * cpphash.h: See above.
10158 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10160 * cppmain.c (struct printer): Remove no_line_dirs.
10161 (options, cb): New.
10162 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10163 : Use options rather than CPP_OPTION.
10164 (setup_callbacks): Use cb rather than pfile->cb.
10165 (main): No need to check for a buffer. Use cpp_errors.
10166 (printer_init): Don't set no_line_dirs.
10167 (maybe_print_line): Use options not no_line_dirs.
10168 (cb_file_change): Don't call print_line if -P.
10170 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10172 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10174 * c-parse.in (finish_parse): Use cpp_errors.
10175 (__yylex): Use return value of cpp_pop_buffer.
10176 * cp/lex.c (finish_parse): Use cpp_errors.
10177 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10179 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10181 * README.AVR: URLs corrected.
10183 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10185 * c-decl.c (start_function): Don't warn if old prototype is builtin
10186 that's not in C's namespace.
10187 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10188 (_bb): Add prototype for ctime.
10189 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10191 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10193 * i386.c (ix86_fp_comparison_arithmetics_cost,
10194 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10195 ix86_fp_comparison_cost): New functions.
10196 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10197 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10198 two-branch sequences; make static.
10199 (ix86_use_fcomi_compare): Do decision according to the costs.
10200 (split_fp_branch): New.
10201 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10202 * i386-protos.h (ix86_expand_fp_compare): Remove
10203 (ix86_split_fp_branch): Declare.
10205 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10206 and ix86_comparison_operator.
10208 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10209 to make it cheaper.
10211 * i386.c (put_condition_code): Output properly the unordered/ordered
10212 compares in fp case.
10213 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10215 * tm.texi (REVERSE_CONDITION): Document.
10216 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10217 in -ffast-math mode.
10218 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10220 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10222 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10224 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10227 * config/sh/sh.c (mova_p): Fix test for mova_const.
10229 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10231 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10232 cpp_get_options rather than dereferencing pfile and using
10234 * scan-decls.c (scan_decls): Use return value of
10235 cpp_pop_buffer rather than CPP_BUFFER.
10237 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10239 * cppinit.c (cpp_handle_option): help_only is now part of the
10240 cpp_options structure.
10241 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10242 cpp_set_callbacks): New functions.
10243 * cpplib.h (cpp_callbacks): Break out as a named structure.
10244 (cpp_options): Move help_only here from cpp_reader.
10245 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10246 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10247 cpp_set_callbacks): New prototypes.
10248 * cppmain.c (main): Update for help_only.
10250 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10252 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10253 Also build and remove and install and uninstall c-tree.info and
10255 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10256 ($(srcdir)/cppinternals.info): New target.
10257 * c-tree.texi: Change file name used when makeinfo used without -o
10258 from ir.info to c-tree.info. Add info directory entry.
10259 * cppinternals.texi: Add info directory entry.
10260 * .cvsignore: Update.
10262 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10264 * c-typeck.c (store_init_value): Don't require constant initializer
10265 elements with -pedantic -std=c99.
10266 (digest_init): Change error about non-constant initializer elements
10268 (constructor_range_end): Remove.
10269 (constructor_incremental, designator_depth,
10270 designator_errorneous): New variables.
10271 (struct constructor_stack): Remove range_end, add incremental.
10272 (struct constructor_range_stack, constructor_range_stack): New.
10273 (struct initializer_stack): Add constructor_range_stack.
10274 (finish_init): Set it.
10275 (start_init): Likewise. require_constant_elements for non-static
10276 trees only if not flag_isoc99.
10277 (really_start_incremental_init): Remove constructor_range_end, add
10278 constructor_incremental.
10279 (pop_init_level): Likewise.
10280 (push_init_level): Likewise. If implicit and the subobject had some
10281 value set already, preinitialize the level with it.
10282 Warn about missing braces only if not pushing due to designators.
10283 (set_designator, push_range_stack): New functions.
10284 (set_init_label): Use them.
10285 (set_init_index): Likewise. Remove constructor_range_end.
10286 Error if designator index is outside of array bounds.
10287 (add_pending_init): Compare values of purpose index trees, not the
10288 trees themselves. Allow overwriting of already initialized element.
10289 Issue a warning if it had side-effects.
10290 (set_nonincremental_init, set_nonincremental_init_from_string): New
10292 (pending_init_member): Rename to...
10293 (find_init_member): ...this function. Call set_nonincremental_init
10294 if necessary. Compare values of purpose index trees, not the trees
10295 themselves. Return the actual value, not just non-zero if something
10297 (output_init_element): Remove checks for duplicates.
10298 If field has zero size, only check the initializer for correctness.
10299 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10300 if constructor_incremental is zero. Change error about initializers
10301 not computable at load time into pedwarn.
10302 (output_pending_init_elements): Compare bit positions, not
10303 FIELD_DECLs to take into account zero-sized fields.
10304 (process_init_element): Use constructor_range_stack to fill all
10305 ranges in the designator lists from current level up.
10306 * extend.texi: Update documentation for labeled elements.
10308 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10310 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10311 to function usage for arguments passed by reference. Optimize
10312 callee-copied arguments.
10313 * regmove.c (replace_in_call_usage): New function.
10314 (fixup_match_1): Call it.
10315 * cse.c (cse_insn): Canonicalize registers in function usage.
10316 * reload1.c (replace_pseudos_in_call_usage): New function.
10319 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10322 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10324 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10327 2001-01-12 DJ Delorie <dj@redhat.com>
10329 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10330 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10333 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10335 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10336 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10337 -std options alongside references to -ansi. Update some
10338 documentation for C99.
10339 * cpp.1: Regenerate.
10341 2001-01-12 Andreas Jaeger <aj@suse.de>
10343 * haifa-sched.c (restore_line_notes): Remove argument block B
10345 * sched-ebb.c (schedule_ebb): Change caller.
10346 * sched-rgn.c (schedule_region): Likewise.
10347 * sched-int.h (restore_line_notes): Adjust prototype.
10349 * loop.h: Remove wrong declaration of doloop_condition_get.
10351 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10353 * extend.texi: Move C++-extension-related node from the C section
10354 into the C++ section.
10356 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10358 * extend.texi: Refer to an array of pointers to functions instead
10359 of one of functions.
10361 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10362 Jan Hubicka <jh@suse.cz>
10364 * combine.c (reversed_comparison): Fix typo in last patch.
10366 (combine_reversed_comparison_code): Make static to follow
10367 prototype declaration.
10369 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10371 * install.texi: Remove misplaced duplicate entry.
10373 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10375 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10377 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10379 * final.c: (leaf_function_p): Fix typo.
10381 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10383 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10384 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10386 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10387 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10388 mmap_anon, and valloc is available.
10389 * ggc-page.c: Restructure ifdef logic to match new autoconf
10390 spec. Don't throw away the test page in init_ggc.
10392 * configure, config.in: Regenerate.
10394 2001-01-12 Michael Hayes <mhayes@redhat.com>
10396 * loop.h (total_biv_increment): Constify iv_class pointer.
10397 (struct induction): Replace `mem_mode' with `mem' rtx.
10398 * unroll.c (total_biv_increment): Constify iv_class pointer.
10399 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10400 (find_mem_givs, combine_givs_p): Likewise.
10401 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10403 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10405 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10407 (__gthread_getspecific): Ditto.
10409 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10411 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10412 put_condition_code): Convert fp comparison codes to integer
10414 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10417 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10418 * i386-protos.h (no_comparison_operator): Kill.
10420 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10422 * combine.c (REVERSIBLE_CC_MODE): Remove.
10423 (reversible_comparison_p): Remove.
10424 (combine_reversed_comparison_code): New.
10425 (reversed_comparison): New.
10426 (combine_simplify_rtx): Use
10427 combine_reversed_comparison_code/reversed_comparison instead
10428 of reversible_comparison_p.
10429 (simplify_if_then_else): Likewise.
10430 (simplify_set): Likewise.
10431 (simplify_logical): Likewise.
10432 (if_then_else_cond): Likewise.
10433 (known_cond): Likewise.
10434 (simplify_comparison): Likewise.
10436 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10438 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10439 sizeof (int) is larger than sizeof(__word__).
10441 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10443 * cppinit.c (do_includes): Fix typo.
10445 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10447 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10448 in S_REGS does not occur because not all sources are possible
10449 when a S_REGS is a destination (sometimes needs a clobber).
10450 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10451 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10452 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10453 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10454 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10455 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10456 (lshrdi_const1, lshrsi3_const16): Likewise.
10457 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10458 (*movhi_68hc12, *movqi_68hc12): Likewise.
10459 (movstrictqi): Make sure reloading in D_REGS as a destination
10462 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10464 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10466 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10468 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10469 -D, -U and -A, and don't initialize the builtins.
10470 (do_includes): Error if -include or -imacros with -fpreprocessed.
10471 * cppmain.c (cb_define, cb_undef): Unconditionally process
10473 * tradcpp.c (main): Fix typo.
10475 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10477 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10478 (read_name_map): Use IS_ABSOLUTE_PATH.
10479 * tradcpp.c (get_filename): Likewise.
10481 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10483 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10484 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10485 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10486 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10487 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10488 (cmphi_z_used): Don't use '@' for the output.
10489 (tstqi_z_used): Likewise.
10490 (cmpqi_z_used): Likewise.
10491 (one_cmplsi2): Likewise.
10493 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10495 * config/sh/sh.c (barrier_align): Recognize branch around far
10496 branch and redundant insn.
10498 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10500 * invoke.texi: Restore documentation of the drivers' switches -MD
10503 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10505 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10507 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10508 check-objc//%): Support parallel testing of multilibs.
10509 (TESTSUITEDIR): Set to testsuite by default, but override for
10511 (check-gcc, check-g++, check-g77, check-objc): Enter
10514 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10516 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10517 * sched-deps.c (deps_may_trap_p): Likewise.
10518 * basic-block.h: Remove a comment.
10519 * flow.c (PROP_POSTRELOAD): Remove.
10520 (update_life_info): Don't add it to prop_flags.
10521 (mark_set_1): Lose the code that was enabled by it.
10523 2001-01-11 Michael Hayes <mhayes@redhat.com>
10525 * flow.c (flow_call_edges_add): New.
10526 * basic_block.h (flow_call_edges_add): New.
10528 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10530 * reload1.c (move2add_note_store): Update reg_set_luid even if
10531 base reg remains the same.
10533 2001-01-10 Nick Clifton <nickc@redhat.com>
10535 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10536 machine_function structure to zero.
10537 Add prototypes for machine_status functions.
10539 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10541 * c-common.h (CTI_VOID_LIST): Remove.
10542 (void_list_node): Likewise.
10543 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10544 (void_list_node): New macro.
10545 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10546 * config/i386/i386.c (ix86_init_builtins): Likewise.
10547 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10549 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10551 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10552 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10554 * tradcpp.c: Include mkdeps.h.
10555 (deps, print_deps_phony_targets, deps_append, output_deps,
10556 init_dependency_output, output_deps): New.
10557 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10558 deps_output): Delete.
10559 (print_deps_missing_files): Rename deps_missing_files.
10560 (inhibit_output): Make global.
10561 (main): Delete inhibit_output, deps_stream, deps_target.
10562 Use mkdeps functionality in the same way as cpplib. Remove
10563 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10564 -M and -MM. Remove old handling of deps via deps_out, and
10565 old reading of environment variables.
10566 (get_filename): Update to use deps_add_dep.
10568 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10570 * output.h (make_function_rtl): Remove prototype.
10571 (make_decl_rtl): Likewise.
10572 * varasm.c (make_function_rtl): Remove.
10573 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10574 than from a third parameter.
10575 * tree.h (make_decl_rtl): Remove last parameter.
10576 * c-decl.c (builtin_function): Remove last argument in call to
10577 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10578 (start_function): Likewise.
10579 * except.c (call_get_eh_context): Likewise.
10580 * expr.c (emit_block_move): Likewise.
10581 (clear_storage): Likewise.
10582 * profile.c (output_func_start_profiler): Likewise.
10583 * toplev.c (rest_of_decl_compilation): Likewise.
10584 * objc/objc-act.c (create_builtin_decl): Likewise.
10585 (synth_module_prologue): Likewise.
10586 (generate_static_reference): Likewise.
10587 (build_selector_reference_decl): Likewise.
10588 (build_class_reference_decl): Likewise.
10589 (build_objc_string_decl): Likewise.
10590 (build_protocol_reference): Likewise.
10592 2001-01-10 Richard Henderson <rth@redhat.com>
10594 * hwint.h: Revert yesterday's change.
10596 2001-01-10 Nick Clifton <nickc@redhat.com>
10598 * function.h (save_machine_status): Delete.
10599 (restore_machine_status): Delete.
10600 Amend comment describing {init|mark|free}_machine_status.
10602 * function.c (save_machine_status): Delete.
10603 (restore_machine_status): Delete.
10604 Amend comment describing {init|mark|free}_machine_status.
10605 (push_function_context_to): Remove invocation of
10606 save_machine_status.
10607 (pop_function_context_from): Remove invocation of
10608 restore_machine_status.
10610 * emit-rtl.c (init_emit_once): Amend comment describing
10611 {init|mark|free}_machine_status.
10613 * tm.texi (Per-Function Data): New node. Describe the
10614 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10617 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10619 * cppinit.c (OPT_g): Remove.
10620 (cpp_handle_option): Update for removed -g3.
10621 (print_help): Update.
10622 * cpplib.h (struct cpp_options): Remove debug_output.
10623 * cppmain.c (setup_callbacks, cb_define): Update.
10624 * gcc.c (cpp_options): Translate -g3 to -dD.
10626 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10628 * config/i960/i960.md: Change modifier to + on the zero_extract
10629 pattern after the (rotate -2 reg) canonicalization pattern.
10631 2001-01-10 Richard Henderson <rth@redhat.com>
10633 * config/alpha/alpha.c (alpha_free_machine_status): New.
10634 (override_options): Install it.
10635 (alpha_mark_machine_status): Verify machine non-null.
10636 * config/i386/i386.c (ix86_free_machine_status): New.
10637 (override_options): Install it.
10638 (ix86_init_machine_status): Use xcalloc.
10639 (ix86_mark_machine_status): Verify machine non-null.
10640 * config/ia64/ia64.c (ia64_free_machine_status): New.
10641 (ia64_override_options): Install it.
10642 (ia64_mark_machine_status): Verify machine non-null.
10644 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10646 * function.c (instantiate_virtual_regs): Instantiate virtual
10647 registers found in CALL_INSN_FUNCTION_USAGE.
10649 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10651 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10652 equivalent to -ansi in disabling -Di386.
10654 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10656 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10658 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10660 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10662 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10664 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10666 * invoke.texi: Document that -fcond-mismatch isn't supported for
10669 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10671 * gcc.texi: Define macro gcctabopt.
10672 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10673 @command, @env and @option in some places where appropriate. Use
10674 @gcctabopt where appropriate. Put URLs and email addresses inside
10677 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10679 * gcc.c (cpp_options): Set MD file name from output
10680 filename, if specified.
10681 (suffix_subst): New static variable.
10682 (do_spec): Clear it.
10683 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10685 (give_switch): Handle suffix_subst.
10687 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10689 * invoke.texi: Fix another typo.
10691 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10693 * invoke.texi: Fix typo.
10695 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10697 * c-lang.c (lang_hooks): Update.
10698 (lang_decode_option): Remove.
10699 (lang_init_options): Rename c_init_options.
10700 * toplev.c (main): Use lang_hooks for lang_init_options
10701 and lang_decode_option.
10702 * toplev.h (lang_hooks): Add 2 new hooks.
10703 * tree.h: Remove lang_init_options and lang_decode_option.
10704 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10705 * cp/decl2.c: Similarly.
10706 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10707 (lang_hooks): Update.
10708 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10710 (lang_init_options): Rename ffe_init_options.
10711 (lang_hooks): Update.
10712 (lang_decode_option): Remove.
10713 * java/lang.c (lang_init_options): Rename java_init_options.
10714 (lang_decode_option): Rename java_decode_option.
10715 (lang_hooks): Update.
10716 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10717 (lang_decode_option): Rename objc_decode_option.
10718 (lang_hooks): Update.
10720 2001-01-09 Nick Clifton <nickc@redhat.com>
10722 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10723 (d30v_return_addr_rtx): Delete.
10724 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10725 cfun->machine structure.
10726 (struct machine_function): Move to d30v.h
10727 (d30v_save_machine_status): Delete.
10728 (d30v_restore_machine_status): Delete.
10729 (d30v_init_machine_status): New Function.
10730 (d30v_mark_machine_status): New Function.
10731 (d30v_free_machine_status): New Function.
10732 (d30v_init_expanders): Use new functions.
10733 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10734 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10735 d30v_return_addr_rtx.
10737 * config/d30v/d30v.h (struct_machine): Move here.
10738 Add eh_epilogue_sp_ofs field.
10740 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10741 field in cfun->machine structure.
10743 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10745 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10746 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10747 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10749 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10751 * objc/lang-options.h: Remove bogus reference to
10754 2001-01-09 Kazu Hirata <kazu@hxi.com>
10756 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10759 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10761 * reload.c (find_reloads_address): Check for eliminable registers
10762 when substituting a constant expression for a pseudo.
10764 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10766 * c-common.c (enum format_type): Add format_type_error.
10767 (decode_format_type): New function.
10768 (decl_attributes): Use it.
10769 (format_kind_info): Adjust comment.
10771 2001-01-09 David O'Brien <obrien@BSDi.com>
10773 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10774 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10776 * config/i386/gnu.h: Don't include required platform specific .h files,
10777 tm.h will do it instead.
10778 * config/i386/i386elf.h: Likewise.
10779 * config/i386/linux.h: Likewise.
10780 * config/i386/moss.h: Likewise.
10781 * config/mips/gnu.h: Likewise.
10783 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10785 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10786 (rs6000-ibm-aix3.[01]*): Likewise.
10787 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10788 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10789 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10790 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10791 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10792 (powerpc-*-eabiaix*): Likewise.
10793 (powerpc-*-eabisim*): Likewise.
10794 (powerpc-*-elf*): Likewise.
10795 (powerpc-*-eabi*): Likewise.
10796 (powerpc-*-rtems*): Likewise.
10797 (powerpc-*-linux*libc1): Likewise.
10798 (powerpc-*-linux*): Likewise.
10799 (powerpc-wrs-vxworks*): Likewise.
10800 (powerpcle-wrs-vxworks*): Likewise.
10801 (powerpcle-*-sysv*): Likewise.
10802 (powerpcle-*-elf*): Likewise.
10803 (powerpcle-*-eabisim*): Likewise.
10804 (powerpcle-*-eabi*): Likewise.
10805 (powerpcle-*-solaris2*): Likewise.
10806 * config/rs6000/aix31.h: Delete includes.
10807 * config/rs6000/aix3newas.h: Likewise.
10808 * config/rs6000/aix41.h: Likewise.
10809 * config/rs6000/aix43.h: Likewise.
10810 * config/rs6000/beos.h: Likewise.
10811 * config/rs6000/rtems.h: Likewise.
10812 * config/rs6000/sysv4.h: Likewise.
10814 2001-01-09 Kazu Hirata <kazu@hxi.com>
10816 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10817 Change an argument mode of machine_mode to shift_mode of
10818 shift_mode. Remove an extra error check.
10819 (emit_a_shift): Adopt to the new calling prototype of
10821 (function_prologue): Fix code for a monitor
10822 function. Support H8/S.
10823 (function_epilogue): Do not output pop for a monitor function.
10825 2001-01-09 Nick Clifton <nickc@redhat.com>
10827 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10828 (setup_incoming_varargs): Use sysv_varargs_p field of the
10829 cfun->machine structure.
10830 (struct machine_function): Move to rs6000.h
10831 (rs6000_save_machine_status): Delete.
10832 (rs6000_restore_machine_status): Delete.
10833 (rs6000_init_machine_status): New Function.
10834 (rs6000_free_machine_status): New Function.
10835 (rs6000_init_expanders): Use new functions.
10837 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10839 (struct machine_function): Move here.
10841 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10842 sysv_varargs_p field of the cfun->machine structure.
10844 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10846 (rs6000_restore_machine_status): Remove prototype.
10848 2001-01-09 Richard Henderson <rth@redhat.com>
10850 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10851 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10852 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10853 (sched_analyze_2, sched_analyze_insn): Likewise.
10854 (sched_analyze, init_deps): Likewise.
10855 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10856 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10857 (compute_block_backward_dependences): Update propagate_deps call.
10859 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10861 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10863 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10865 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10866 (cpp_handle_option): Handle them.
10867 (cpp_post_options): Ensure one of -M or -MM is specified with
10868 any other -M? option.
10869 (init_dependency_output): Suppress output with -MG.
10871 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10873 * cpp.texi: Update.
10874 * invoke.texi: Update.
10876 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10878 * sh.md (reload_outsf): Generate recognizable patterns for
10881 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10883 * c-lang.c (lang_hooks): Update.
10884 (lang_init): Rename c_init.
10885 (lang_finish): Remove.
10886 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10887 and lang_finish ().
10888 * toplev.h (lang_hooks): Add init () and finish ().
10889 * tree.h (lang_init, lang_finish): Remove.
10890 * cp/tree.h (lang_init, lang_finish): Remove.
10891 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10892 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10894 (lang_init, lang_finish): Remove.
10895 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10896 (lang_hooks): Update.
10897 * java/lang.c (lang_init): Rename java_init.
10898 (lang_finish): Remove.
10899 (lang_hooks): Update.
10900 * objc/objc-act.c (lang_init): Rename objc_init.
10901 (lang_finish): Remove.
10902 (lang_hoooks): Update.
10904 20001-01-09 Graham Stott <grahams@redhat.com>
10906 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10907 after `ptr` is initialised.
10909 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10911 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10912 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10913 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10914 stack adjusts, instead of r3.
10916 2001-01-09 Michael Hayes <mhayes@redhat.com>
10918 * flow.c (flow_loop_scan): Break out of ...
10919 (flow_loops_find) ... here.
10920 * basic-block.h (flow_loop_scan): New.
10921 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10922 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10924 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10926 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10928 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10929 realloc()ing macro_buffer.
10931 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10932 if it's wider than long and the target's long is wider than the
10935 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10937 Remove support for using UWIN as a host machine.
10938 * configure.in: Issue an error message.
10939 * configure: Regenerated.
10940 * config.gcc: Remove xm_* UWIN configury.
10941 * config/i386/xm-uwin.h: Remove.
10943 2001-01-08 Nick Clifton <nickc@redhat.com>
10945 * config/v850/v850.c (ra_rtx): Delete.
10946 (v850_save_machine_status): Delete.
10947 (v850_restore_machine_status): Delete.
10948 (v850_init_machine_status): New function.
10949 (v850_mark_machine_status): New function.
10950 (v850_free_machine_status): New function.
10951 (v850_return_addr): Use ra_rtx field in machine structure.
10952 (v850_init_expanders): Use new functions.
10954 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10955 * config/v850/v850.c: Change arguments to v850_output+* functions
10956 to take a const char *, to avoid compile time warning.
10957 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10958 (USER_LABEL_PREFIX): Redefine.
10960 2000-01-08 Jim Wilson <wilson@redhat.com>
10962 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10963 1 to unsigned HOST_WIDE_INT before left shift.
10965 2001-01-08 Nick Clifton <nickc@redhat.com>
10967 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10968 the machine structure has been allocated.
10969 (arm_free_machine_status): New function: Free the machine
10970 specific function structure.
10972 2001-01-08 Richard Henderson <rth@redhat.com>
10974 * jump.c (simplejump_p): Revert last change.
10976 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10978 * cppinit.c (init): Rename init_library.
10979 (cpp_create_reader): Update.
10980 * gcc.c (cpp_options): If -o given, use it as the target of
10983 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10985 * arm.c (arm_arch5e): New variable.
10986 (all_cores): XScale is a 5TE device.
10987 (arm_override_options): Set arm_arch5e.
10988 (arm_init_builtins): __builtin_prefetch is in arch5e.
10989 * arm.h (arm_arch5e): Declare it.
10991 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10993 * arm.md (define_constants): Add defines for UNSPEC and
10994 UNSPEC_VOLATILE insns. Update all users.
10995 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10996 * arm.c (multi_register_push, note_invalid_constants)
10997 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10998 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10999 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11001 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11003 * jump.c (jump_optimize_1): Use reversed_comparison_code
11004 instead of can_reverse_comparison_p.
11005 (jump_back_p): Likewise.
11006 (invert_exp_1): Likewise.
11007 (thread_jumps): Likewise.
11008 * simplify-rtx.c (simplify_unary_operation): Likewise.
11009 (simplify_ternary_operation): Likewise.
11010 * cse.c (find_comparison_args): Convert to use
11011 can_reverse_comparison_p.
11012 (record_jump_equiv): Likewise.
11014 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11016 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11017 (EPILOGUE_USES): Define.
11018 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11019 automatically stack the LR if it isn't live.
11021 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11023 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11026 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11028 * ggc-page.c (max_alignment): New structure.
11029 (MAX_ALIGNMENT): New macro.
11030 (init_ggc): Use it to round up the sizes in the
11031 extra_order_size_table.
11033 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11035 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11038 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * builtins.def (BUILT_IN_FPRINTF): New entry.
11042 * c-common.c (c_expand_builtin_fprintf): New function.
11043 (init_function_format_info): Handle __builtin_fprintf.
11044 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11045 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11047 * c-decl.c (duplicate_decls): Adjust comment.
11049 * extend.texi (fprintf): Document new builtin.
11051 2001-01-07 Richard Henderson <rth@redhat.com>
11053 * jump.c (simplejump_p): Recognize any single_set jump
11054 of the proper form.
11056 2001-01-07 Richard Henderson <rth@redhat.com>
11058 * configure.in (slibdir): Accept an --with-slibdir option.
11059 Use "test" not "[" in configure. Default to $(libdir).
11061 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11063 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11064 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11065 (SHLIB_LINK): Create links for the soname.
11066 * config/mips/t-iris6: Likewise.
11067 * config/sparc/t-slibgcc: Likewise.
11068 * config/sparc/t-slibgcc-sld: Likewise.
11070 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11072 * config/i386/i386.c (constant_call_address_operand): Accept
11073 (const (plus (symbol_ref) (const_int))).
11074 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11075 constant_call_address_operand.
11077 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11079 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11080 and LONG_LONG_TYPE_SIZE > 32.
11082 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11084 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11085 the previous change.
11087 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11089 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11091 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11092 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11093 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11096 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11098 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11100 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11102 * c-lang.c (c_post_options): Call cpp_post_options.
11103 * objc/objc-act.c (objc_post_options): Similarly.
11104 * cppmain.c (main): Similarly.
11105 * fix-header.c (read_scan_file): Similarly.
11106 * cppinit.c (cpp_start_read): Move option consistency checks
11107 to cpp_post_options. Don't call init_dependency_output.
11108 If needed, add default target and main file dependency.
11109 (OPT_MD, OPT_MMD): Remove.
11111 (cpp_handle_option): Update for OPT_* changes.
11112 (cpp_post_options): New.
11113 (init_dependency_output): Command line -MF overrides environment
11114 variables. Don't set default target etc. Suppress output
11115 if dependencies are going to stdout.
11116 (print_help): Update.
11117 * cpplib.h (cpp_post_options): New.
11118 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11120 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11122 * jump.c (comparison_dominates_p): Support unordered compares.
11124 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11126 * simplify-rtx.c (simplify_relational_operation): Always simplify
11127 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11130 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11132 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11133 (nonzero_bits): Likewise.
11134 (simplify_comparison): Likewise.
11135 (num_sign_bit_copies): Likewise; return more sane value depending
11136 on STORE_FLAG_VALUE.
11137 (known_cond): Do not assume EQ to be always true for equivalent
11140 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11142 * cse.c (fold_rtx): Handle unordered comparisons.
11144 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11146 * rtlanal.c (set_of_1): New static function.
11147 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11148 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11149 reg_set_last_last_regno): Remove.
11150 (set_of): New global function.
11151 (set_of_data): New structure.
11152 (reg_set_p, reg_set_last): Revamp for set_of.
11153 * rtl.h (set_of): New.
11155 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11157 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11158 * extend.texi: Document _Exit builtin.
11160 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11162 * (initialize, initialize_builtins,
11163 initialize_dependency_output, initialize_standard_includes):
11164 Rename s/initialize/init. Update.
11165 (init_dependency_output): Move to after
11166 cpp_handle_options, the correct location temporally at least.
11167 (opt_comp): Move next to init (), its caller. Fix prototype.
11168 (init): Make "initialized" local scope.
11169 (cpp_create_reader): Always call init ().
11170 (cpp_start_read): Update.
11171 (output_deps): New function, broken out of cpp_finish.
11172 (cpp_finish): Break out output_deps.
11174 2001-01-07 Richard Henderson <rth@redhat.com>
11176 * collect2.c (COFF specific stuff): Revert 12-06 patch
11177 to prototype system functions.
11179 2001-01-07 Michael Hayes <mhayes@redhat.com>
11181 * hard-reg-set.h: Add multiple include guard.
11182 * basic-block.h (struct loop): Add `sink' field.
11183 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11184 (emit_iv_add_mult): Delete.
11185 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11186 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11187 (unroll_loop): Remove end_insert_before argument.
11188 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11189 (maybe_eliminate_biv_1): Likewise.
11190 (emit_iv_add_mult): Delete.
11191 (gen_add_mult, loop_regs_update): New.
11192 (loop_insn_emit_after, loop_insn_emit_before): New.
11193 (loop_insn_sink, loop_insn_sink_or_swim): New.
11194 (emit_iv_add_mult): Delete.
11195 (scan_loop): Set loop->sink.
11196 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11197 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11198 (maybe_eliminate_biv_1): Likewise.
11199 (maybe_eliminate_biv_1): Add basic block argument.
11200 * unroll.c (unroll_loop): Remove end_insert_before argument.
11201 (find_splittable_regs): Likewise.
11202 (find_splittable_regs): Use loop_insn_sink and its ilk.
11203 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11205 2001-01-07 Michael Hayes <mhayes@redhat.com>
11207 * loop.h (loop_insn_hoist): New prototype.
11208 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11209 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11210 (check_dbra_loop, load_mems): Likewise.
11211 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11212 (find_splittable_givs): Likewise.
11214 2001-01-07 Michael Hayes <mhayes@redhat.com>
11216 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11218 2001-01-07 Richard Henderson <rth@redhat.com>
11220 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11222 2001-01-07 Richard Henderson <rth@redhat.com>
11224 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11225 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11226 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11227 variant that handles a shared libgcc.
11228 (process_command): Always validate -{static,shared}-libgcc.
11229 (do_spec_1): New 'M' case.
11230 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11232 2001-01-07 Richard Henderson <rth@redhat.com>
11234 * Makefile.in (slibdir): New variable.
11235 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11236 (installdirs): Create slibdir.
11237 (install-libgcc, install-multilib): Defer to libgcc.mk.
11238 * configure.in (slibdir): Substitute.
11239 * mklibgcc.in (install): New target.
11241 * config/t-linux (SHLIB_LINK): Create links for the soname.
11242 (SHLIB_INSTALL): New.
11243 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11244 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11245 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11246 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11247 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11249 2001-01-07 Richard Henderson <rth@redhat.com>
11251 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11252 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11253 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11255 2001-01-07 Michael Hayes <mhayes@redhat.com>
11257 * loop.c (count_loop_regs_set): Delete.
11258 (load_mems_and_recount_loop_regs_set): Delete.
11259 (loop_regs_scan): Merge common code from count_loop_regs_set,
11260 scan_loop, and load_mems_and_recount_loop_regs_set.
11261 (scan_loop): Call load_mems directly and loop_regs_scan
11262 again if new registers created.
11264 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11266 * toplev.c (main): Call the front-end specific post_options
11267 hook if one is given.
11268 * toplev.h (struct_lang_hooks, lang_hooks): New.
11269 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11270 for the C front end.
11271 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11272 lang_hooks for the C++ front end.
11273 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11274 lang_hooks for the ObjC front end.
11275 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11276 * java/lang.c (lang_hooks): Hooks for the Java front end.
11278 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11280 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11281 for verbose DWARF[2] debugging.
11282 (cb_define, cb_undef): The new callbacks.
11283 * toplev.h (debug_define, debug_undef): Make const correct.
11284 * toplev.c (debug_define, debug_undef): Similarly. Do not
11285 perform the verbosity tests here anymore.
11287 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11289 * reload.c (subst_reloads): Take INSN argument. When
11290 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11291 * reload.h (subst_reloads): Adjust prototype.
11292 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11293 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11294 present in JUMP_INSNs and copy them to JUMP_LABEL.
11295 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11296 JUMP_INSNs and insns with REG_LABELs that are followed by
11297 JUMP_INSNs with the same REG_LABEL.
11298 * sched-rgn.c (is_cfg_nonregular): Likewise.
11299 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11301 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11303 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11305 2001-01-06 Richard Henderson <rth@redhat.com>
11307 * loop.c (scan_loop): Use xcalloc for the regs array.
11308 (load_mems_and_recount_loop_regs_set): Zero the new memory
11309 received from xrealloc.
11311 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11313 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11315 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11317 * integrate.c (copy_rtx_and_substitute): When copying
11318 an ignored return value, strip REG_FUNCTION_VALUE_P.
11320 2001-01-06 Michael Hayes <mhayes@redhat.com>
11322 * loop.c (debug_biv, debug_giv): New.
11323 (loop_biv_dump): Break out from ...
11324 (record_biv): ... here.
11325 (loop_giv_dump): Break out from ...
11326 (record_giv): ... here.
11327 (loop_bivs_check): Use print_simple_rtl.
11328 * unroll.c (loop_iterations): Use print_simple_rtl.
11330 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11332 * pa.md (return, return_internal): Modify patterns to prevent regrename
11333 mucking with the return pointer.
11335 2001-01-05 Richard Henderson <rth@redhat.com>
11337 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11339 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11341 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11342 version supplied by Matteo Frigo.
11344 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11346 * cpp.texi: Update for -MQ.
11347 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11348 (cpp_cleanup): Always free pfile->deps.
11349 (initialize_dependency_output): Don't create pfile->deps.
11350 (cpp_handle_option): Similarly.
11352 * gcc.c (cpp_options): Handle -MQ.
11353 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11354 * mkdeps.c (base_name): Remove.
11355 (deps_init): Don't allocate vector space until it's needed.
11356 (deps_free): Only free vectors if allocated.
11357 (deps_add_target, deps_add_dep): Update for initial allocation.
11358 (deps_add_default_target): Don't strip to the base_name.
11360 2001-01-05 DJ Delorie <dj@redhat.com>
11362 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11363 (INIT_EXPANDERS): Define.
11365 * config/v850/v850.c (struct machine_function): Define.
11366 (v850_save_machine_status): New function.
11367 (v850_restore_machine_status): New function.
11368 (v850_return_addr): New function.
11369 (v850_init_expanders): New function.
11371 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11372 and v850_init_expanders.
11374 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11376 * cpplib.h (struct cpp_reader): Add help_only field.
11377 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11378 (cpp_handle_option): Set pfile->help_only if we see -h,
11379 --help, -target-help, or --version. Print version string but
11380 do not set help_only if we see -v or -version. Make text
11381 printed by -v match that printed by (-)-version.
11383 * cppmain.c (main): Exit after option parsing if
11384 pfile->help_only is true.
11386 * toplev.c (independent_decode_option): Call print_version,
11387 then exit, if we see --version (but not -version).
11388 (print_version): Split lengthy message into two lines.
11390 2001-01-05 Nick Clifton <nickc@redhat.com>
11392 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11393 temporary string for initialisation before calling ggc_alloc_string.
11395 2001-01-06 Michael Hayes <mhayes@redhat.com>
11397 * rtl.h (print_simple_rtl): New.
11398 * print-rtl.c (print_simple_rtl): New.
11399 (flag_simple): New.
11400 (print_rtx): Disable printing of flags and modes, etc.,
11401 if `flag_simple` nonzero.
11403 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11405 * function.c (fixup_var_refs): Use push_to_full_sequence where
11408 2001-01-05 Michael Meissner <meissner@redhat.com>
11410 * flags.h (flag_reorder_blocks): Add declaration.
11411 (flag_rename_block): Ditto.
11413 2001-01-05 DJ Delorie <dj@redhat.com>
11415 * function.c (reorder_blocks): Make sure the flags are all reset
11416 before using them to mark blocks, else a second invocation will
11417 corrupt the block chain.
11418 (reorder_blocks_0): New, resets the flags.
11420 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11422 * cse.c (find_comparison_args): Stop if the argument is known to
11425 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11427 * config/sh/sh.md (movdf): When splitting load into pair of
11428 registers, don't clobber the register used in the address too
11431 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11433 * varasm.c (mark_constant_pool): Improve initial comments.
11434 (mark_constants): Move marking of constants to mark_constant.
11435 (mark_constant): New function to recursively mark all constants
11436 referred to by a constant.
11438 2001-01-05 Catherine Moore <clm@redhat.com>
11440 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11442 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11444 * cp/lang-options.h: Bring comment in line with reality.
11445 * f/lang-options.h: Likewise.
11446 * java/lang-options.h: Likewise.
11447 * objc/lang-options.h: Likewise.
11448 * ch/lang-options.h: Likewise.
11449 * f/g77.texi: And update the manual.
11451 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11452 Denis Chertykov <denisc@overta.ru>
11454 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11455 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11456 * config/avr/avr.md (all peepholes that request a scratch register):
11457 Call it, FAIL the peephole if not safe (in interrupt functions).
11459 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11461 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11463 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11465 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11467 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11468 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11469 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11470 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11471 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11473 * extend.texi: Document these builtins.
11475 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11477 * c-common.c (lang_get_alias_set): Say we know nothing of
11478 VECTOR_TYPE aliasing.
11480 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11482 2001-01-05 Bruce Korb <bkorb@gnu.org>
11484 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11485 their x* equivalent versions for atexit-less systems
11486 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11487 systems (or any other system any more).
11489 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11491 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11492 output operands. Use arm_hard_register_operand for operand 4.
11493 (stmsi_postinc): Similarly.
11494 (ldmsi): Use arm_hard_register_operand for opernand 2.
11495 (stmsi): Similarly.
11496 * arm.c (arm_hard_register_operand): New function.
11497 * arm-protos.h (arm_hard_register_operand): Prototype it.
11499 * arm.h (HARD_REGNO_RENAME_OK): Define.
11501 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11503 * simplify-rtx.c (cfc_args): add "unordered" field.
11504 (check_fold_consts): Set unordered field.
11505 (simplify_relational_operation): Simplify the unordered
11508 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11511 * emit-rtl.c (try_split): Fix code to mark labels.
11512 * jump.c (mark_jump_label): Make global.
11513 * rtl.h (mark_jump_label): Declare.
11515 * predict.c (estimate_probability): Handle unordred comparisons.
11517 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11519 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11520 * cppinit.c (initialize_dependency_output): Update.
11521 (cpp_finish): Output dummy targets for -MP.
11523 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11524 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11525 * gcc.c (cpp_options): Update to handle -MP.
11526 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11527 to quote only the default target.
11528 (deps_phony_targets): Insert a preceding newline. Rename from
11529 deps_dummy_targets for consistency.
11532 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11534 * calls.c (emit_library_call_value_1): Support
11535 INIT_CUMULATIVE_LIBCALL_ARGS.
11536 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11538 2001-01-04 Richard Henderson <rth@redhat.com>
11540 * c-decl.c (finish_struct): Detect flexible array members
11541 used in an inappropriate context.
11542 * c-typeck.c (really_start_incremental_init): Special case
11543 constructor_max_index for zero length arrays.
11544 (pop_init_level): Allow initialization of flexible array
11545 members. Deprecate initialization of zero length arrays.
11546 Don't issue missing initializer warning for flexible array
11547 members or zero length arrays.
11548 (process_init_element): Don't dereference null DECL_SIZE.
11549 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11550 Don't abort for empty constructors. Use size_binop
11551 (output_constructor): Add commentary regarding zero length
11552 array futures. Abort if we try to initialize an array of
11553 unspecified length with a non-empty constructor in the middle
11556 * extend.texi (Zero Length): Update and clarify documentation
11557 on static initialization.
11559 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11561 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11562 with more than 32767 words of local storage.
11564 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11566 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11567 for 'abs', 'labs', and 'fabs'.
11568 (c4x_expand_builtin): Likewise.
11569 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11571 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11573 * config/sh/sh.md (prget, prset): New insn types.
11574 (return delay slot): Dont' allow prset.
11575 (call, sfunc delay slot): Don't allow prget.
11576 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11577 for prset and prget.
11579 2001-01-05 Michael Hayes <mhayes@redhat.com>
11581 * loop.h (struct loop_reg): New.
11582 (struct loop_regs): Change to use array of `struct loop_reg'.
11583 * loop.c: Replace assortment of varrays with single regs array.
11584 (count_one_set): Delete may_not_move array argument
11585 and use regs array instead. All caller's changed.
11586 (count_loop_regs_set): Delete may_not_move and single_usage
11587 arguments and use regs array instead. All caller's changed.
11588 (find_single_use_in_loop): Replace usage array argument with pointer
11589 to regs structure. All caller's changed.
11590 (loop_optimize): Delete `moved_once' array.
11592 2001-01-05 Michael Hayes <mhayes@redhat.com>
11594 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11595 Use it instead of loop_info->has_call for scanning loop mems.
11596 (check_dbra_loop): Replace loop_info->has_call test with
11597 loop_info->has_nonconst_call.
11599 2000-01-04 Matthew Hiller <hiller@redhat.com>
11601 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11604 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11606 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11607 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11609 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11611 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11612 (flag_short_double, flag_short_wchar): Define.
11613 (c_common_nodes_and_builtins): Create many tree nodes shared
11614 between C and C++ here instead of in cp/decl.c and ...
11615 * c-decl.c (init_decl_processing): ... here.
11616 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11617 (flag_short_double, flag_short_wchar): Don't define.
11618 (record_builtin_type): New function.
11619 (build_void_list_node): New function.
11620 * c-common.h (flag_short_double, flag_short_wchar,
11621 record_builtin_type, build_void_list_node): Declare.
11623 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11625 * integrate.c (expand_inline_function): Don't put a virtual
11626 register into the reg map.
11628 * function.c (fixup_var_refs_1): If force_operand didn't put
11629 the address into the target, move it there.
11631 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11633 Special-case tree_decl/tree_list allocations.
11634 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11635 (OBJECT_SIZE): New macro.
11636 (NUM_EXTRA_ORDER): Likewise.
11637 (extra_order_size_table): New variable.
11638 (NUM_ORDERS): New macro.
11639 (objects_per_page_table): New variable.
11640 (object_size_table): New variable.
11641 (G.pages): Use NUM_ORDERS to bound the array.
11642 (G.page_tails): Likewise.
11643 (DIV_ROUND_UP): Remove.
11644 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11645 (alloc_page): Use OBJECT_SIZE.
11646 (size_lookup): Don't make it const.
11647 (ggc_alloc): Use OBJECT_SIZE.
11648 (ggc_set_mark): Likewise.
11649 (ggc_get_size): Likewise.
11650 (init_ggc): Set up the object_size_table, objects_per_page_table,
11651 and adjust size_lookup.
11652 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11653 (ggc_pop_context): Use NUM_ORDERS.
11654 (clear_marks): Likewise.
11655 (sweep_pages): Likewise.
11656 (poison_pages): Likewise.
11657 (ggc_print_statistics): Use OBJECT_SIZE.
11659 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11661 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11662 Only call array_size_for_constructor if last field and array type
11663 with no upper bound.
11665 2001-01-04 Philip Blundell <philb@gnu.org>
11667 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11668 from bit 31 downwards, if this requires no more insns.
11669 (count_insns_for_constant): New helper function for above.
11671 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11673 * gencodes.c (output_predicate_decls): Remove empty initializer.
11675 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11677 * tree.c (copy_node): Remove documentation about obstacks.
11678 (buidl1): Check that nobody tries to build 2-argument nodes this
11681 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11683 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11686 * gencodes.c (output_predicate_decls): Fill empty initializer
11689 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11691 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11692 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11694 (do_include): Handle missing headers like cpp0.
11695 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11696 paths with first include pathname. Don't strcat to uninitialized
11699 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11701 * regrename.c (regrename_optimize): Don't rename from frame pointer
11702 if frame_pointer_needed.
11703 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11704 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11705 (ia64_reorg): Use it instead of scheduling if ! optimize.
11706 (errata_emit_nops): Properly call asm_noperands.
11707 (ia64_sched_reorder): Finish cycle if we see an asm.
11708 (ia64_variable_issue): Clear scheduling state after asms.
11710 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11712 * cpp.texi: Update for -MT.
11713 * cppinit.c (initialize_dependency_output): Add a default
11714 target if none has been given already.
11715 (no_tgt, OPT_MT): New.
11716 (cpp_handle_option): Handle -MT. Update -M etc.
11717 * cpplib.h (struct cpp_options): Remove deps_target.
11718 * gcc.c (cpp_options): Handle -MT.
11719 * mkdeps.c (struct deps): Move from mkdeps.h.
11720 (deps_calc_target): Rename deps_add_default_target. Add a
11721 default target if none has been specified already.
11722 * mkdeps.h (struct deps): Move to mkdeps.c.
11723 (deps_calc_target): Rename deps_add_default_target.
11725 2000-01-03 Richard Henderson <rth@redhat.com>
11727 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11729 * c-typeck.c (push_init_level): Move checks for flexible array
11730 members and zero length arrays ...
11731 (pop_init_level): ... here. Silently discard empty initializations.
11733 * varasm.c (output_constructor): Update for sizeof change to
11734 zero-length arrays.
11736 * extend.texi (Zero Length): Clarify semantics.
11738 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11740 * configure.in (tm.h): Include isns-codes.h last.
11741 * configure: Rebuilt.
11743 2001-01-03 Richard Henderson <rth@redhat.com>
11745 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11746 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11748 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11750 * tradcpp.c (main): Make sure finclude() is called with a valid
11751 indepth value while handling -include.
11753 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11755 * gencodes.c (output_predicate_decls): New function.
11757 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11758 even if it is not the first time machmode.h is #included.
11759 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11760 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11761 * gcc.texi (Copyright): Added 2001.
11763 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11765 * c-common.c (c_common_lang_init): New function. Warn if format
11766 warning options which only have effects when used with -Wformat
11767 are used without -Wformat.
11768 * c-common.h (c_common_lang_init): Declare.
11769 * c-lang.c (lang_init): Call c_common_lang_init.
11770 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11772 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11774 * configure.in: Check for the mktemp command.
11775 * configure: Regenerate.
11776 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11777 $TEMP. Create temporary files with mktemp, if available at
11778 configure time; otherwise use set -C. Remove temporary files
11781 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11783 * configure.in: Require at least texinfo 4.0. Check for whether
11784 Pod::Man is sufficiently recent to regenerate GCC manpages.
11785 * configure: Regenerate.
11786 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11788 (GENERATED_MANPAGES): Define.
11789 (generated-manpages): New target. Depend on cpp.1 as well as
11791 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11792 configure to generated-manpages or empty) rather than on the
11793 manpages directly. Remove execute permission from installed
11794 gcov.1 as well as cpp.1.
11795 * cpp.1, gcov.1: Regenerate.
11797 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11799 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11800 tree_low_cst. Allow using cmpstrsi in more cases.
11802 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11804 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11807 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11809 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11810 * Makefile.in (HOST_CFLAGS): Mention build-make.
11812 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11814 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11817 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11819 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11822 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11825 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11826 reg_base_value and reg_known_value arrays.
11827 (init_alias_analysis): Add more cases to detect known values.
11828 * sched-deps.c (deps_may_trap_p): New function.
11829 (sched_analyze_2): Use it.
11831 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11833 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11834 don't discard an ASHIFTRT if we're shifting in a wider mode.
11836 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11838 * toplev.c (rest_of_compilation): Don't print basic block information
11839 when CFG isn't up to date.
11841 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11843 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11844 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11845 (UNALIGNED_SHORT_ASM_OP): Define.
11846 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11848 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11850 * fold-const.c (fold_convert): Fix typo.
11852 2001-01-02 Richard Henderson <rth@redhat.com>
11854 * c-common.h (ASM_INPUT_P): New.
11855 * c-parse.in (asm): Set it when needed.
11856 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11857 existance of an operand.
11859 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11861 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11862 (dwarf2out_frame_debug_expr): Likewise.
11863 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11865 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11867 * i386.c (ix86_split_to_parts): Return number of part required;
11869 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11871 (ix86_split_long_move): Use number of part returned
11872 by ix86_split_to_parts
11873 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11875 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11876 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11877 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11878 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11879 (ALIGN_MODE_128): Add TFmode.
11880 (IS_STACK_MODE): Likewise.
11881 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11882 (HARD_REGNO_OK): Support TFmodes.
11883 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11884 * i386.md (scheduler definitions): Use memory operand to determine
11885 fst/fld instructions; use mode attribute to determine real mode of
11887 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11888 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11890 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11892 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11894 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11896 * expr.c (store_constructor_field): Update ALIGN before calling
11899 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11901 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11904 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11906 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11909 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11911 * c-decl.c (start_function): Don't warn on third parameter to main.
11913 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11915 * tsystem.h: Define HAVE_DECL_GETOPT.
11917 2001-01-02 Philip Blundell <pb@futuretv.com>
11919 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11922 2001-01-02 Richard Henderson <rth@redhat.com>
11924 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11926 2001-01-02 Andreas Jaeger <aj@suse.de>
11928 * c-decl.c (c_decode_option): Remove support of
11929 -Wmissing-noreturn.
11931 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11932 (W_options): Add -Wmissing-noreturn here.
11934 * flow.c: Define lang_missing_noreturn_ok_p.
11935 (check_function_return_warnings): Use it.
11937 * c-common.h: Declare lang_missing_noreturn_ok_p.
11939 * c-lang.c (c_missing_noreturn_ok_p): New function.
11940 (lang_init): Set lang_missing_noreturn_ok_p.
11942 * invoke.texi (Warning Options): Document this.
11944 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11946 * extend.texi (C++ Extensions): New node for C++ attributes;
11947 describe init_priority and com_interface.
11948 * invoke.texi: Remove -finit-priority as it now has zero effect.
11949 * install.texi: Fix xref syntax.
11950 * md.texi: Likewise.
11952 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11954 * config.gcc (sparc64-wrs-vxworks*): New case.
11955 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11957 * config/sparc/sparc.c (sparc_override_options): Do support different
11958 pointer and architecture size.
11959 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11960 (POINTERS_EXTEND_UNSIGNED): Define.
11961 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11962 (FUNCTION_MODE): Define to be Pmode.
11963 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11965 * function.c (expand_function_end): Properly handle DECL_RESULT
11966 and copy when ptr_mode != Pmode.
11967 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11969 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11971 * c-common.c (c_common_nodes_and_builtins): Set prototype
11972 parameters for __builtin_fputs, __builtin_fputc and
11973 __builtin_fwrite. Don't declare plain fputc as a builtin.
11975 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11977 * loop.c (add_label_notes): Increment the label usage count when
11978 a note is added to an insn which refers to a CODE_LABEL.
11979 * gcse.c (add_label_notes): Likewise.
11981 2001-01-01 Andreas Jaeger <aj@suse.de>
11983 * loop.c (scan_loop): Use xmalloc to allocate movables.
11985 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11987 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11988 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11989 * reload1.c (REGISTER_MOVE_COST): Likewise.
11990 * regclass.c (REGISTER_MOVE_COST): Likewise.
11991 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11992 dimension. Adjust all users.
11993 (init_reg_sets_1): Iterate on all modes.
11994 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11995 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11996 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11997 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11998 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11999 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12000 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12001 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12002 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12003 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12004 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12005 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12006 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12007 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12008 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12009 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12010 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12011 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12012 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12013 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12014 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12015 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12016 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12017 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12018 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12019 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12020 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12022 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12024 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12025 arg VARIES_P. Call it with extra arg.
12026 (true_dependence): Likewise.
12027 * rtl.h (rtx_addr_can_trap_p): Declare.
12028 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12030 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12031 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12032 pic offset table register if it's zero. All callers changed.
12033 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12035 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12037 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12038 STRING_POOL_ADDRESS_P.
12040 * config/sparc/sparc.c (input_operand): Properly test for short op.
12042 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12043 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12044 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12045 * config/sparc/elf.h: No longer include sol2.h.
12046 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12047 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12049 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12051 2001-01-01 Michael Hayes <mhayes@redhat.com>
12053 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12054 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12055 (record_initial): Likewise.
12056 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12057 (remap_split_bivs): Likewise.
12059 2001-01-01 Michael Hayes <mhayes@redhat.com>
12061 * loop.c (loop_ivs_free): New function.
12062 (strength_reduce): Break out from...
12064 2001-01-01 Michael Hayes <mhayes@redhat.com>
12066 * loop.h (struct iv): New.
12067 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12068 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12069 'reg_biv_class' fields with 'regs' and 'n_regs'.
12070 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12071 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12072 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12074 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12076 * resource.c (mark_referenced_resources): Abort() before
12077 attempting to mark a pseudo register.
12078 (mark_set_resources): Likewise.
12080 2001-01-01 Michael Hayes <mhayes@redhat.com>
12082 * loop.h (REG_IV_CLASS): New accessor macro.
12083 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12084 * unroll.c (REG_IV_CLASS): Likewise.
12086 See ChangeLog.4 for earlier changes.