1 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
3 * invoke.texi: use two spaces between command options, eliminate
6 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
8 * Makefile.in (s-mlib): Make backtick-commands always succeed.
9 (DRIVER_DEFINES): Ditto.
11 2001-05-31 Richard Henderson <rth@redhat.com>
13 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
14 also link against libgcc.a.
16 2001-05-31 Geoff Keating <geoffk@cygnus.com>
18 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
19 * config/mips/mips.c (mips_output_ascii): New function.
20 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
22 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
24 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
26 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
27 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
29 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
31 * install.texi (Configuration): Add html links for --with-gnu-as &
32 --with-gnu-ld and refer to them from hppa & SCO triplets.
33 (Specific): Link back to with-gnu-ld for all ELF platfoms.
34 (Specific): Reword AVR binutils recommendation.
36 2001-05-30 Zack Weinberg <zackw@stanford.edu>
38 * ggc-page.c (size_lookup): Increase minimum allocation size
40 (ggc_print_statistics): Report size of each bin in bytes, not
41 as its order; there is no longer a direct relationship.
43 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
45 * extend.texi: Fix formating of examples, eliminate some
47 * gcc.texi: Eliminate some 'overfull hboxes'.
48 * invoke.texi: Use two spaces between command options, eliminate
49 some 'overfull hboxes'.
51 2001-05-30 Richard Henderson <rth@redhat.com>
53 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
55 2001-05-30 Tom Tromey <tromey@redhat.com>
57 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
58 use it in the new association.
60 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
61 John David Anglin <dave@hiauly1.hia.nrc.ca>
63 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
64 to target type to allow ISO C++ compiler to accept it.
65 * gthr-dce.h (__gthread_active_ptr): Likewise.
66 * gthr-solaris.h (__gthread_active_ptr): Likewise.
68 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
70 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
71 so that we do accept comments in preprocessed input.
73 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cpphash.c (alloc_node): Cast allocated pointer.
77 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
79 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
81 2001-05-29 Stan Shebs <shebs@apple.com>
83 * gcc.texi: Add links for information about Objective-C.
85 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
87 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
88 /bin/sed fails on [^\"]).
89 (configargs.h): Likewise.
91 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
93 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
95 2001-05-28 Stan Shebs <shebs@apple.com>
97 * objc/objc.gperf: Remove, no longer used.
99 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
101 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
102 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
103 Remove trailing whitespace.
105 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
107 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
108 became http://freeware.sgi.com/.
110 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
112 * local-alloc.c (update_equiv_regs): Don't eliminate constant
115 2001-05-27 Stan Shebs <shebs@apple.com>
117 * objc/objc-act.c: Add/fix various comments.
118 (init_selector): Remove, no longer used.
119 (build_msg_pool_reference): Ditto.
122 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
124 * c-decl.c (init_decl_processing):
125 Don't call start_identifier_warnings.
126 * flags.h (warn_id_clash, id_clash_len): Remove.
127 * stringpool.c: Don't include flags.h.
128 (scan_for_clashes, do_identifier_warnings,
129 start_identifier_warnings): Remove.
130 * toplev.c (warn_id_clash, id_clash_len): Remove.
131 (display_help): Don't document -Wid-clash.
132 (decode_W_option): Print warning on -Wid-clash.
133 * tree.h (start_identifier_warnings): Remove.
134 * invoke.texi: Remove documentation of -Wid-clash.
136 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
138 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
140 2001-05-27 Bruce Korb <bkorb@gnu.org>
142 * fixinc/check.tpl(HACK) add and use a Scheme variable
143 (has no test text): error out if no "test_text" is defined
144 * fixinc/fixincl.tpl: likewise
145 (FIXIDX): make it an enumeration so we minimize diffs
146 * fixinc/inclhack.def: re-alphabetize and add sort instructions
147 * fixinc/fixincl.x: regenerate
148 * fixinc/tests/base/stdio.h: test output got moved due to
150 * README-fixinc: rewrite (mostly)
152 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
154 * cpplib.c (run_directive): Set pfile->directive.
156 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
158 * c-tree.texi: Reformat the manual as a single chapter now
159 included by gcc.texi.
160 * gcc.texi: Include c-tree.texi. Merge all indexes.
161 * Makefile.in (dvi): Add generation for the cppinternals
162 documentation. Added dependencies on fdl.texi and c-tree.texi
163 where appropriate. Use TEXI2DVI instead of custom tex calls.
164 (info): Added dependencies on fdl.texi and c-tree.texi where
165 appropriate. Remove the target c-tree.info.
167 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
169 * combine.c (try_combine): Fix typo in comment.
170 * expr.c (expand_expr): Likewise.
171 * config/i370/i370.md (untyped_call): Likewise.
173 2001-05-26 Bruce Korb <bkorb@gnu.org>
175 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
176 when fixincl is operating in test mode
177 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
178 (AAB_ultrix_limits): remove redundant text
179 (AAB_ultrix_memory): ditto
180 (AAB_ultrix_string): ditto
181 (djgpp_wchar_h): fix the test text
182 (irix_stdio_va_list): add test text
183 (irix_limits_const): add a testing output file (limits.h is overwritten)
184 (strict_ansi_not_ctd): put limits.h second in list for same reason
185 (solaris27_mutex_init): test text needed selection text, too
187 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
188 when fixincl is operating in test mode
190 2001-05-26 Philip Blundell <philb@gnu.org>
192 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
193 * config/i960/i960-protos.h: Likewise.
194 * config/i370/i370-protos.h: Likewise.
195 * config/h8300/h8300-protos.h: Likewise,
196 * config/sh/sh-protos.h: Likewise.
197 * config/v850/v850-protos.h: Likewise.
199 2001-05-26 Philip Blundell <philb@gnu.org>
201 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
203 2001-05-25 Zack Weinberg <zackw@stanford.edu>
205 * toplev.c (debug_args, f_options, W_options): Mark
206 descriptions for translation.
207 (display_help): Translate descriptions on output.
209 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
210 objc/lang-options.h: Mark descriptions for translation.
212 * aclocal.m4: Quote final argument of patsubst. Use
213 3-argument form of AC_DEFINE. Restore quotes to [] while
215 * configure.in: Remove unnecessary changequote calls.
216 * configure, config.in: Regenerate.
218 2001-05-25 Sam TH <sam@uchicago.edu>
220 * basic-block.h: Fix header include guards.
221 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
222 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
223 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
224 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
225 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
226 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
227 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
228 varray.h version.h: Likewise.
229 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
230 config/arm/arm.h config/c4x/c4x-protos.h
231 config/h8300/h8300-protos.h config/h8300/h8300.h
232 config/i370/i370-protos.h config/i370/i370.h
233 config/i960/i960-protos.h config/mcore/mcore.h
234 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
235 config/v850/v850-protos.h config/v850/v850.h: Likewise.
236 * fixinc/fixlib.h fixinc/server.h: Likewise.
238 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
240 * config/arc/initfini.c (.init): Fix typo.
242 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
244 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
246 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
248 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
250 2001-05-25 Richard Henderson <rth@redhat.com>
252 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
254 2001-05-25 Richard Henderson <rth@redhat.com>
256 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
257 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
258 (sparc*-*-solaris2): Likewise.
259 * config/t-linux: Remove shared libgcc macros.
260 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
261 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
263 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
265 * config.gcc (*-*-freebsd*): Report bad configuration.
267 2001-05-25 David Edelsohn <edelsohn@gnu.org>
269 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
271 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
273 (ASM_OUTPUT_LABELREF): Delete.
275 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
277 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
278 strict_ansi_only): Don't run if stdc_0_in_system_headers.
279 * fixinc/fixincl.x: Regenerate.
280 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
281 (FIX_TEST_TABLE): Declare it.
282 * fixinc/fixlib.h: Include config.h.
284 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
286 * fixinc/inclhack.def (alpha___assert): Change char * args to
287 const char * on Tru64 UNIX to avoid excessive warnings from
289 * fixinc/fixincl.x: Regenerate.
291 2001-05-25 Geoff Keating <geoffk@redhat.com>
293 * dbxout.c (dbxout_symbol): Invert previous patch, which was
294 outputting a tag only for variable-size records.
296 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
298 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
299 instead of rtx_equal_p for early clobber test.
301 2001-05-26 Mark Mitchell <mark@codesourcery.com>
303 * builtins.def: Encode additional information, such as names and
305 * builtin-types.def: New file.
306 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
307 (built_in_decls): Likewise. Don't explicitly initialize global
309 (expand_builtin_mathfn): Handle float and long double variants of
311 (expand_builtin): Likewise.
312 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
313 (expand_tree_builtin): Handle long, long long, float, and long
314 double variants of math functions.
315 * c-common.h (c_tree_index): Remove some unused nodes.
316 (void_ftype): Remove.
317 (void_type_ptr): Likewise.
318 (int_ftype_int): Likewise.
319 (ptr_ftype_sizetype): Likewise.
320 * c-decl.c (init_decl_processing): Remove creation of DWARF
322 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
323 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
324 * Makefile.in (c-common.o): Depend on builtin-types.def.
326 2001-05-25 Dale Johannesen <dalej@apple.com>
328 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
330 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
332 * c-parse.in (notype_initdcl): Remove redundant line.
334 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
336 * aclocal.m4: Fixed typo.
337 (gcc_AC_HEADER_STDBOOL): Define.
338 (gcc_AC_C__BOOL): Define.
339 * configure.in: Use them.
340 (AC_CHECK_HEADERS): Remove stdbool.h
341 * configure, config.in: Regenerate.
343 2001-05-25 Richard Henderson <rth@redhat.com>
345 * function.c (expand_function_start): Don't abort on PARALLEL
346 returns from hard_function_value.
348 2001-05-25 Richard Henderson <rth@redhat.com>
350 * config/i386/i386.md: Revert previous change. Do not apply
351 the peephole if the components do not die after the sequence.
353 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
355 * c-parse.in (array_declarator): New. Handle C99 constructs.
356 Don't restrict [*] declarators to C only.
357 (after_type_declarator, parm_declarator_starttypename,
358 parm_declarator_nostarttypename, notype_declarator,
359 direct_absdcl1): Use it.
360 * c-decl.c (build_array_declarator, set_array_declarator_type):
361 New functions. Warn that [*] isn't properly implemented; pedwarn
362 for [*] outside C99 mode if pedantic rather than giving a hard
364 (grokdeclarator): Handle static and type qualifiers in parameter
366 * c-tree.h (build_array_declarator, set_array_declarator_type):
368 * extend.texi (Attribute Syntax): Document attributes in parameter
371 2001-05-25 Mark Mitchell <mark@codesourcery.com>
373 * config/i386/i386.md: Make sure cmpstr peepholes do not
374 affect liveness information.
376 2001-05-24 Mark Mitchell <mark@codesourcery.com>
378 * c-typeck.c (digest_init): Issue error messages about
379 invalid constants, not warnings.
381 2001-05-24 Mark Mitchell <mark@codesourcery.com>
383 * invoke.texi (-fno-builtin): Document that this is always on
386 2001-05-24 Philip Blundell <philb@gnu.org>
388 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
391 2001-05-24 Philip Blundell <philb@gnu.org>
393 * config/arm/arm.c (output_return_instruction): Correctly handle
394 interworking and interrupt functions.
396 2001-05-24 Philip Blundell <philb@gnu.org>
398 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
399 -m{no-}sched-prolog. Fix typos and improve formatting.
401 2001-05-24 Philip Blundell <philb@gnu.org>
403 * invoke.texi (ARM Options): Improve wording slightly. Add
404 documentation for more options, including those for Thumb mode.
405 Don't mention options that don't exist or are unimplemented.
406 (Thumb Options): Delete; merged into above section.
408 2001-05-24 Geoff Keating <geoffk@redhat.com>
410 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
411 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
413 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
415 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
416 fix hard register simplification.
418 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
420 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
421 of just copying CPP_CPU_SPEC.
423 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
425 * i386.c (incdec_operand): Accept only 1 and -1.
427 2001-05-23 Kelley Cook <kelley.cook@home.com>
429 * Makefile.in: Move many of the *_H definitions eariler in the
430 file, so that rules in t-* files that use them for
431 dependencies will work in a parallel build.
432 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
434 2001-05-23 Richard Henderson <rth@redhat.com>
436 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
438 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
440 * cpp.texi: Update for handling of charconsts.
441 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
442 diagnostics. Skip to the end if the UCS is too short.
443 (cpp_interpret_charconst): Long charconsts issue a warning
446 2001-05-23 Richard Henderson <rth@redhat.com>
448 * doc/install.texi (alpha-linux): Require binutils 2.11.
450 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
452 * c-lex.c (read_escape, read_ucs): Delete.
453 (lex_string): Use cpp_parse_escape.
454 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
455 if not C++ or not C99. Warn if traditional.
456 (parse_escape): Rename cpp_parse_escape. Make the bitmask
457 unsigned. Warn for out-of-range escape sequences here.
458 Update to use maybe_read_ucs.
459 (cpp_interpret_charconst): Don't warn here.
460 * cpplib.h (cpp_parse_escape): New exported function.
462 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
464 * extend.texi (Attribute Syntax): Clarify application of
465 attributes to parameters declared as functions or arrays.
467 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
469 * dbxout.c (dbxout_type_methods): Do still group methods by name.
471 2001-05-23 Zack Weinberg <zackw@stanford.edu>
473 * diagnostic.c (vnotice): Kill.
474 (fnotice): Call vfprintf directly.
475 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
476 verbatim, set_diagnostic_context): Rename string argument to
477 indicate that it is run through gettext.
478 (vbuild_message_string, build_message_string, output_do_printf):
479 Rename string argument to indicate that it is NOT run through
481 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
482 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
483 Run msgid argument through gettext.
484 (default_print_error_function): Run constant strings through
485 gettext when nothing else will.
486 (fatal_error, internal_error, error_recursion): Use fnotice.
487 Present complete sentences to gettext.
489 2001-05-23 Mark Mitchell <mark@codesourcery.com>
491 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
493 2001-05-23 Richard Henderson <rth@redhat.com>
495 * function.c (expand_function_start): Always use a pseudo
496 for the function result value.
498 2001-05-22 Richard Henderson <rth@redhat.com>
500 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
501 section pointer alignment.
503 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
505 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
506 of __USER_LABEL_PREFIX__.
508 2001-05-22 Richard Henderson <rth@redhat.com>
510 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
511 (__deregister_frame_info_bases): New.
512 * unwind-dw2-fde.h: Declare it.
513 * libgcc-std.ver: Export it.
514 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
515 called __register_frame_info_bases.
517 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
519 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
520 instead of #elif (which is OK for this case but not in general).
522 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
524 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
525 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
526 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
527 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
528 "r2" to the assembly file. Only issue allocs with non-zero parameters.
530 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
531 David O'Brien <obrien@freebsd.org>
533 * config/freebsd.h (LIB_SPEC): Key the exact setting to
534 configure-time options and target version of FreeBSD. Set-up
535 to match architectural change in threading support. Correctly
536 report when -pthread option is not supported by configure-time
538 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
539 and extend to encode target version number in run-time setting
540 of __FreeBSD__ macro to match the system compiler.
541 (CPP_PREDEFINES): Likewise.
542 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
544 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
545 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
547 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
548 David O'Brien <obrien@freebsd.org>
550 * config.gcc (the unlabeled system switch statement): Add
551 generic configuration section to handle *-*-freebsd*. Also,
552 to match the system compiler, default to threading support (it
553 may be disabled with the standard --disable-threads
554 configuration-time switch).
555 (i[34567]86-*-freebsd* in machine-specific section): Use it.
556 (alpha*-*-freebsd* in machine-specific section): Likewise.
558 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
559 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
560 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
561 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
562 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
564 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
565 David O'Brien <obrien@freebsd.org>
567 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
568 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
569 -pthread instead setting macro.
571 2001-05-22 Richard Henderson <rth@redhat.com>
573 * crtstuff.c (__register_frame_info_bases): Declare.
574 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
575 (__do_global_dtors_aux, __do_global_dtors): Streamline.
577 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
578 (CRT_GET_RFIB_DATA): New.
579 * config/i386/sysv4.h: Likewise.
580 * config/i386/sco5.h: Likewise.
581 (ASM_PREFERRED_EH_DATA_FORMAT): New.
583 2001-05-22 Richard Henderson <rth@redhat.com>
585 * rtl.c (read_string): Break out from ...
586 (read_rtx): ... here.
588 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
590 * doc/install.texi (Specific): Remove a bogus and duplicate part
591 copied from the end of the document.
593 2001-05-22 Bernd Schmidt <bernds@redhat.com>
595 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
597 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
599 * install.texi: Remove obsolete information on SunOS as well as
600 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
601 (Installing GNU CC on the Sun): Remove section.
603 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
605 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
606 keep errno unchanged on success.
608 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
610 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
611 once for hexadecimal floats, whether or not they contain a decimal
612 point. Don't let the setting of pedantic otherwise affect the
613 parsing of hexadecimal floats.
615 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
617 * README.ACORN: Remove obsolete file.
619 2001-05-22 Jan Hubicka <jh@suse.cz>
621 * combine.c (gen_binary): Use swap_commutative_operands_p
622 (simplify_comparison): Likewise.
623 * expmed.c (emit_store_flag): Likewise.
624 * expr.c (compare_from_rtx): Likewise.
625 (do_compare_rtx_and_jump): Likewise.
626 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
627 if not emitting a branch and operands want swapping.
629 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
631 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
632 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
633 (maybe_get_identifier): Update.
634 * tree.h (make_identifier): Delete.
636 2001-05-21 Richard Henderson <rth@redhat.com>
638 * combine.c (subst): Do not substitute for a register as
639 a destination subreg/strict_low_part/zero_extract.
641 * combine.c (simplify_comparison): Update op1 after constant
643 * recog.c (const_int_operand): Accept only constants valid
645 * genrecog.c: Update comments wrt const_int_operand.
647 * emit-rtl.c (init_emit_once): Zero unused memory in a
650 2001-05-21 Mark Mitchell <mark@codesourcery.com>
652 * tree.h (type_num_arguments): Declare it.
653 * tree.c (type_num_arguments): New function.
655 2001-05-21 Richard Henderson <rth@redhat.com>
657 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
660 2001-05-21 Geoff Keating <geoffk@redhat.com>
662 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
664 (minsf3): Use rs6000_emit_minmax.
665 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
667 (movsfcc): Use rs6000_emit_cmove.
668 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
669 Don't generate emit_fselsfsf4.
670 (fseldfsf4): Likewise.
671 (maxdf3): Use rs6000_emit_minmax.
673 (mindf3): Use rs6000_emit_minmax.
674 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
676 (movdfcc): Use rs6000_emit_cmove.
677 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
678 Don't generate emit_fselsfsf4.
679 (fselsfdf4): Likewise.
680 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
681 (min_max_operator): New predicate.
682 (rs6000_emit_cmove): New function.
683 (rs6000_emit_minmax): New function.
684 * config/rs6000/rs6000-protos.h: Prototype new functions.
685 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
686 and min_max_operator.
688 * config/rs6000/rs6000.c (output_cbranch): Handle all
689 conditional types in the switch statement.
691 2001-05-21 Mark Mitchell <mark@codesourcery.com>
693 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
694 non-register variables.
695 * extend.texi: Document that asm-specifications do not make sense
696 for non-static local variables.
698 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
700 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
701 (dbxout_type_fields): Lose minimal_debug support.
702 (dbxout_type_methods, dbxout_type): Likewise.
704 2001-05-17 Andrew Haley <aph@redhat.com>
706 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
708 2001-05-21 Richard Henderson <rth@redhat.com>
710 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
713 2001-05-20 Richard Henderson <rth@redhat.com>
715 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
716 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
717 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
718 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
719 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
721 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
722 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
723 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
724 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
725 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
726 DEBUG_PUBNAMES_SECTION): Rename as above.
727 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
729 2001-05-20 Richard Henderson <rth@redhat.com>
731 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
732 operands unless the operation is commutative.
734 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
739 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
741 * extend.texi: Clarify documentation of extensions included in ISO
742 C99. Prefer C99 terminology and syntax to old GNU terminology and
743 syntax. Add more index entries. Document mixed declarations and
744 code as an extension in C89 mode. Warn about future changes to
745 semantics of inline functions. Fixes PR other/930.
747 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
749 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
750 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
751 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
752 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
754 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
756 2001-05-20 Richard Henderson <rth@redhat.com>
758 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
759 to be output before a branch.
761 2001-05-20 Richard Henderson <rth@redhat.com>
763 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
765 2001-05-20 Richard Henderson <rth@redhat.com>
767 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
768 (ASM_DOUBLE): Remove.
769 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
770 * config/i386/sun386.h: Likewise.
772 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
773 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
775 * config/i386/cygwin.h (INT_ASM_OP): Remove.
776 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
777 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
778 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
780 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
781 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
782 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
783 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
784 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
785 * config/i386/win32.h: Likewise.
787 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
789 * invoke.texi: Add more options to summary list.
791 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
793 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
794 used. Fixes PR c/2291.
797 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
799 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
800 the -fpic and -fPIC options, clear flag_pic.
802 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
804 * hashtable.c (calc_hash): Fix HASHSTEP definition.
805 * stringpool.c (make_identifier): No statistics here anymore.
806 * objc-act.c (steup_string_decl): Remove redundant check.
808 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
810 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
811 cpplib.o, cpphash.o, fix-header): Update.
812 (hashtable.o): New target.
813 * c-common.h: Include cpplib.h. Define C_RID_CODE and
814 struct c_common_identifier here.
815 * c-lang.c (c_init_options): Update. Call set_identifier_size.
816 * c-lex.c (c_lex): Update.
817 * c-pragma.h: Update.
818 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
820 (C_RID_CODE): Delete.
821 * cpphash.c: Rewrite to use hashtable.c.
822 * cpphash.h: Update include guards.
823 (struct cpp_reader): Remove hashtab.
824 hash_ob and buffer_ob are no longer pointers. Add hash_table
826 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
827 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
828 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
829 * cppinit.c (cpp_create_reader): Update.
830 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
831 (cpp_interpret_charconst): Eliminate warning.
832 * cpplib.c (do_pragma, do_endif, push_conditional,
833 cpp_push_buffer, cpp_pop_buffer): Update.
834 (_cpp_init_stacks): Rename cpp_init_directives.
835 (_cpp_cleanup_stacks): Remove.
836 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
837 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
838 cpp_forall_identifiers, cpp_create_reader): Update.
839 (C_RID_CODE, cpp_make_node): New.
840 (c_common_identifier): New identifier node for C front ends.
841 * cppmain.c (main): Update.
842 * fix-header.c (read_scan_file): Update.
843 * flags.h (id_clash_len): Make unsigned.
844 * ggc.h (ggc_mark_nonnull_tree): New.
847 * stringpool.c: Update comments and copyright. Update to use
849 * toplev.c (approx_sqrt): Move to hashtable.c.
850 (id_clash_len): Make unsigned.
851 * toplev.h (ident_hash): New.
852 * tree.c (gcc_obstack_init): Move to hashtable.c.
853 * tree.h: Include hashtable.h.
854 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
855 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
856 (struct tree_identifier): Update.
857 (make_identifier): New.
859 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
860 (C_RID_CODE): Remove.
861 * lex.c (cxx_init_options): Call set_identifier_size. Update.
862 (init_parse): Don't do it here.
864 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
866 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
868 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
870 (expand_eh_return): Convert between word_mode and Pmode.
871 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
873 (execute_stack_op): Likewise.
874 (execute_cfa_program): Likewise.
875 (uw_frame_state_for): Likewise.
876 (uw_update_context_1): Likewise.
877 * unwind.inc (_Unwind_Reason_Code): Likewise.
878 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
879 (EH_RETURN_STACKADJ_RTX): Likewise.
880 * config/mips/mips.c (compute_frame_size): Make space for saving
882 (mips_expand_epilogue): Handle EH stack adjustments.
883 * config/mips/mips.md (eh_return): New pattern.
884 (eh_set_lr_si): Likewise.
885 (eh_set_lr_di): Likewise.
886 Add splitter to perform EH return after reload.
888 2001-05-19 Mark Mitchell <mark@codesourcery.com>
890 * jump.c (mark_jump_label): Tidy previous change.
892 2001-05-19 Bruce Korb <bkorb@gnu.org>
894 * fixinc/genfixes: no need for two warnings
895 * fixinc/Makefile.in: open stdin for those building with a closed one.
897 2001-05-19 Mark Mitchell <mark@codesourcery.com>
899 * jump.c (jump_optimize_1): Tidy.
900 (mark_jump_label): When changing the label in a LABEL_REF, change
901 update any REG_EQUAL notes as well.
903 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
905 * c-parse.in (parm_declarator): Split into
906 parm_declarator_starttypename and parm_declarator_nostarttypename.
907 (parm_declarator_starttypename, parm_declarator_nostarttypename):
908 New. Allow parenthesised sub-declarators which don't begin with a
909 TYPENAME. Fixes PR c/166.
911 2001-05-19 Mark Mitchell <mark@codesourcery.com>
913 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
915 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
917 * toplev.c (main): If the target does not allow profiling without
918 a frame pointer, issue an error message.
919 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
922 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
924 * recog.c (general_operand): Modify last change to allow it if reload
927 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
929 * recog.c (general_operand): Prohibit nonzero subreg bytes on
930 subregs containing mem.
932 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
934 * regrename.c (regrename_optimize): frame pointer register can
937 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
939 * README.DWARF: Move into dwarfout.c.
941 2001-05-18 Dale Johannesen <dalej@apple.com>
943 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
944 specific misuse of r0 as a reload address.
946 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
948 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
951 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
953 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
954 (add_to_sequence): Make that decision type.
955 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
956 (write_switch, write_cond, debug_decision_2): Likewise.
958 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
960 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
963 2001-05-18 Stan Shebs <shebs@apple.com>
965 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
966 * configure: Regenerate.
968 2001-05-18 Per Bothner <per@bothner.com>
970 Changes needed for java/jvspec.c
971 * gcc.h (n_infiles, outfiles): Add declarations.
972 * gcc.c (n_infiles, outfiles): Mske no longer static.
974 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
976 * config/pa/som.h (EXCEPTION_SECTION): Define.
978 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
980 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
982 Add have_location_lists, a variable to determine whether we need a
983 .debug_loc section or not.
984 (enum dw_val_class): Add dw_val_class_loc_list.
985 (dw_val_struct): Add val_loc_list.
986 (dw_loc_list_struct): New structure, represents location lists.
987 (new_loc_list): New function, return a new location list, given
988 the range and location expression.
989 (add_loc_descr_to_loc_list): New function, add a location
990 expression to a location list, given the expression and range.
991 (output_loc_list): New function, output a location list.
992 (gen_internal_sym): Modified to take symbol prefix, so we can
993 reuse it for location list symbols.
994 (add_AT_loc_list): New function, add a location list to a DIE at
996 (AT_loc_list): New function, return the location list reference
997 for a given attribute, if it's a location list.
998 (print_die): Handle dw_val_class_loc_list.
999 (size_of_die): Ditto.
1000 (value_format): Ditto.
1001 (output_die): Ditto.
1002 (output_location_lists): New function, output all of the location
1003 lists for a DIE and it's children.
1004 (dwarf2out_finish): Call output_location_lists if we have location
1008 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1010 * gcse.c (try_replace_reg): First try global replace, later try to
1011 simplify the expression.
1013 * gcse.c (find_used_regs): Change calling convention; work via
1015 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1017 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1020 2001-02-09 Nick Clifton <nickc@redhat.com>
1021 * config/arm/arm.md: Change output constraint on post inc
1022 load/store multiple patterns to be a read/write constraint.
1024 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1026 * basic-block.h (struct basic_block_def): Add documentation about
1027 what a basic block is, and what the various fields are used for.
1028 * flow.c (calculate_globlal_regs_live): Add documentation about
1029 how the algorithm works, and how we know that it will terminate.
1030 Check that the the inductive assumption that guarantees
1031 termination actually holds.
1032 (mark_used_regs): Treat conditionally set registers as used.
1033 (debug_regset): Add comment.
1034 * rtl.texi (cond_exec): Add documentation.
1036 * function.c (expand_function_start): Avoid creating BLKmode
1039 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1041 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1042 DIE, even if it has no children.
1043 (dwarf2out_finish): Always output the line-number table, even if
1046 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1048 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1050 2001-05-17 Bruce Korb <bkorb@gnu.org>
1052 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1053 * fixinc/genfixes: emit a warning if AutoGen is out of date
1055 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1056 Bruce Korb <bkorb@gnu.org>
1058 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1059 found in fixinc directory. Facilitates binary distributions.
1061 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1063 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1066 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1068 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1070 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1072 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1073 (simplify_subreg): Handle complex types represented as CONCAT.
1075 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1076 * rtl.h (swap_commutative_operands_p): Declare.
1077 * rtlanal.c (swap_commutative_operands_p): New.
1078 (operand_preference): New static function.
1080 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1081 (gen_binary): Likewise.
1082 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1083 * simplify-rtx.c (simplify_gen_binary,
1084 simplify_gen_relational): Likewise.
1086 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * cse.c (fold_rtx): Use simplify_subreg.
1090 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1091 (simplify_gen_subreg): New.
1092 (simplify_rtx): Use simplify_subreg.
1093 * rtl.h (simplify_gen_subreg): Declare.
1095 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1097 * doc/install.texi: Update Solaris information.
1099 * except.h (protect_cleanup_actions): Remove it.
1100 (lang_protect_cleanup_actions): Declare it.
1101 * except.c (protect_cleanup_actions): Remove it.
1102 (lang_protect_cleanup_actions): New variable.
1103 (init_eh): Don't make protect_cleanup_actions a GC root.
1104 (expand_eh_region_and_cleanup): Call
1105 lang_protect_cleanup_actions.
1106 (output_function_exception_table): Remove unused `align'
1108 * varasm.c (assemble_external): Abort if we have not yet
1109 opened the assembly output file.
1111 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1113 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1114 for eh_personality_libfunc.
1116 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1118 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1119 when calling simplify_subreg. This is needed to allow replacing
1120 of expression of one mode by expression of different mode.
1122 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1124 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1126 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1128 * expr.c (protect_from_queue): Protect against subsequent calls to
1130 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1133 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1135 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1137 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1139 * gccbug.in (CATEGORIES): Add "bootstrap".
1141 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1143 * simplify-rtx.c (simplify_subreg): Break out from ...
1144 * combine.c (combine_splify_rtx) ... here and ...
1145 * recog.c (validate_replace_rtx_1): ... here;
1146 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1147 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1148 (subreg_lowpart_p): ... here.
1150 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1152 * stmt.c (expand_asm_operands): For inout operands, make sure
1153 the substitution of '=' for '+' makes it into the rtl.
1155 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1156 (reload_as_needed): Call update_eliminable_offsets a bit later.
1158 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1160 * gcc.texi (gccbug): Refer to the web pages for detailed information
1163 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1165 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1167 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1168 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1169 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1170 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1171 * cross-make: Don't set LIBGCC1.
1172 * mklibgcc.in: Delete all code for building from libgcc1.c.
1173 Always honor LIB1ASMFUNCS if set.
1175 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1176 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1177 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1178 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1179 config/i386/uwin.asm, config/m68hc11/larith.asm,
1180 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1181 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1182 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1183 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1184 Delete or update references to libgcc1 in commentary.
1186 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1187 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1188 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1189 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1190 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1191 config/arm/t-semi, config/arm/t-strongarm-coff,
1192 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1193 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1194 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1195 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1196 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1197 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1198 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1199 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1200 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1201 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1202 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1203 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1204 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1205 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1206 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1207 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1208 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1209 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1210 config/mips/t-ultrix, config/mn10200/t-mn10200,
1211 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1212 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1213 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1214 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1215 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1216 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1217 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1218 config/sparc/t-sparclite, config/sparc/t-splet,
1219 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1220 config/sparc/t-vxsparc64, config/v850/t-v850:
1221 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1223 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1224 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1225 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1226 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1227 nongcc_SI_type, nongcc_word_type, or perform_*
1228 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1230 * config/i386/386bsd.h, config/i386/beos-elf.h,
1231 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1232 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1233 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1234 Don't include i386/perform.h.
1236 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1237 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1238 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1239 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1240 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1241 config/vax/t-openbsd, config/vax/t-vax: Delete.
1243 * config.gcc: Remove references to deleted files.
1244 (arm-semi-aof): Use arm/t-semi for tmake_file.
1246 * gcc.texi, install.texi, invoke.texi, tm.texi:
1247 Delete or rewrite text which is no longer relevant now that
1248 libgcc1 no longer exists.
1250 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1251 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1253 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1254 Bruce Korb <bkorb@gnu.org>
1256 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1259 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1261 * i386.md: Add two peepholes to clean up code generated by
1264 2001-05-16 Richard Henderson <rth@redhat.com>
1266 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1267 variants of non-absolute encodings.
1269 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1271 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1272 __register_frame_info_table_bases): Export.
1274 2001-05-16 Richard Henderson <rth@redhat.com>
1276 * except.c (eh_data_format_name): Move to ...
1277 * dwarf2asm.c: ... here. Use designated initializers if available.
1278 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1279 * dwarf2asm.h: Update declarations.
1280 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1281 ASM_PREFERRED_EH_DATA_FORMAT.
1282 (output_call_frame_info): Likewise. Use 'L' augmentation for
1285 * unwind-dw2-fde.h (struct fde_vector): New.
1286 (struct old_object): Rename from struct object.
1287 (struct object): New.
1288 (__register_frame_info_bases): Declare.
1289 (__register_frame_info_table_bases): Declare.
1290 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1291 * unwind-dw2-fde.c (objects): Remove.
1292 (unseen_objects, seen_objects): New.
1293 (__register_frame_info_bases): New.
1294 (__register_frame_info): Use it.
1295 (__register_frame_info_table_bases): New.
1296 (__register_frame_info_table): Use it.
1297 (__deregister_frame_info): Rewrite for changed object struct.
1298 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1299 (fde_unencoded_compare): Rename from fde_compare; uninline.
1300 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1301 (start_fde_sort): Adjust for new definition of fde_vector.
1302 (fde_insert): Likewise.
1303 (end_fde_sort): Likewise. Select comparison function based
1304 on properties of the object.
1305 (fde_split): Take object and fde_compare_t arguments.
1306 (frame_heapsort, fde_merge): Likewise.
1307 (classify_object_over_fdes): Rename from count_fdes. Handle
1308 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1310 (add_fdes): Handle encoded pointers.
1311 (init_object): Rename from frame_init. Update for new struct object.
1312 (linear_search_fdes): Rename from search_fdes. Handle encoded
1314 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1315 (binary_search_single_encoding_fdes): New.
1316 (binary_search_mixed_encoding_fdes): New.
1317 (search_object): New.
1318 (_Unwind_Find_FDE): Update for new struct object. Fill in
1320 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1321 iterating over EH data.
1322 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1323 fde_encoding, lsda_encoding.
1324 (read_uleb128, read_sleb128): Remove.
1325 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1326 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1327 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1329 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1331 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1333 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1334 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1335 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1336 cpp_spell_token, cpp_output_token): Similarly.
1337 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1338 do_pragma_poison, parse_assertion, do_assert): Similarly.
1339 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1340 save_parameter, _cpp_create_definition, check_trad_stringification,
1341 cpp_macro_definition): Similarly.
1342 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1343 * c-lex.c (cb_undef, c_lex): Similarly.
1344 * fix-header.c (recognized_function): Similarly.
1345 * cpplib.h (NODE_LEN, NODE_NAME): New.
1346 (cpp_hashnode): Rename length len.
1348 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1350 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1353 2001-05-16 Andreas Jaeger <aj@suse.de>
1355 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1357 * toplev.c: Include dwarf2asm.h for prototype of
1358 dw2_output_indirect_constants.
1360 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1362 * stmt.c (expand_asm_operands): Be able to offload addressof
1363 expression to memory. (PR optimization/185)
1365 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1367 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1368 applying distributive law.
1370 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1372 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1374 * gthr-dce.h (UNUSED): Attribute unused macro.
1375 (__gthread_key_dtor): Make arguments UNUSED.
1376 (__gthread_key_delete): Revise for compatibility with DRAFT4
1379 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1381 * doc/install.texi: Update AIX information.
1382 * README.RS6000: Remove obsolete file.
1384 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1385 Nathan Sidwell <nathan@codesourcery.com>
1387 * gcc.c (give_switch): Don't write before start of string.
1388 Always append suffix.
1390 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1392 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1395 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1397 * README.ALTOS: Remove obsolete file.
1399 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1401 * c-lex.h (save_and_forget_protocol_qualifiers,
1402 forget_protocol_qualifiers, remember_protocol_qualifiers):
1403 Remove deleted functions' prototypes.
1405 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1407 * c-parse.in (methodtype): New production.
1408 (methoddef, methodproto): Collapse separate '-' and '+'
1411 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1413 * c-common.h (RID_FIRST_PQ): New.
1414 * c-parse.in (objc_pq_context): New.
1415 (objc parser): Set objc_pq_context rather than calling
1416 remember_protocol_qualifiers and forget_protocol_qualifiers.
1417 Don't call save_and_forget_protocol_qualifiers.
1418 (yylexname): Handle objc protocol qualifiers here.
1419 * stringpool.c (struct str_header): Replace with sp_hashnode.
1420 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1421 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1422 Allocate an IDENTIFIER_NODE for each identifier.
1423 (FORALL_STRINGS, set_identifier): Delete.
1424 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1425 (ggc_alloc_string): Use an obstack.
1426 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1427 * tree.h: Update comments.
1428 (set_identifier): Delete.
1429 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1430 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1431 remember_protocol_qualifiers): Delete.
1433 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1435 * flow.c (life_analysis): After life analysis is complete, do
1436 an optional scan over insns looking for REG_LABEL notes that
1437 reference a deleted label.
1438 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1439 before peeking at LABEL_NUSES.
1441 2001-05-15 Richard Henderson <rth@redhat.com>
1443 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1444 (_Unwind_GetTextRelBase): New.
1446 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1448 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1450 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1452 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1453 so that CHOOSE_SECTION gets used.
1455 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1456 TARGET_RELOCATABLE like flag_pic for now.
1458 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1460 * rs6000.md (movdi splitter): Sign extend more efficiently.
1461 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1462 to "long long" valid on 32-bit and 64-bit hosts.
1463 (logical_operand): Cast trunc_int_for_mode return value.
1464 (rs6000_emit_move): Shift macro to encapsulate variable.
1465 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1466 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1467 plus_constant requires signed argument.
1469 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1471 * gthr-posix.h: Make additional pthread-* functions weak.
1473 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1475 * recog.c (apply_change_group): Avoid unneeded validating.
1477 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1479 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1480 (num_insns_constant): CONST_INT can be 64-bits.
1482 2001-05-14 Stan Shebs <shebs@apple.com>
1484 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1485 (LIBGCC_SPEC): Don't define.
1487 2001-05-14 Richard Henderson <rth@redhat.com>
1489 * configure.in (gcc_cv_as_eh_frame): New test.
1490 * config.in, configure: Rebuild.
1491 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1493 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1495 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1496 extended precision divide.
1498 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1500 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1501 for RETURNS as well.
1503 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1505 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1506 (CPP_CPU??_SIZE_TYPE): New.
1507 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1508 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1509 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1510 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1512 * i386.c (override_options): Add sorry about not suported modes.
1514 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1516 * config/pa/som.h (NM_FLAGS): Remove.
1517 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1518 (ASM_OUTPUT_SECTION_NAME): Remove.
1519 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1521 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1523 * regrename.c (regrename_optimize): Do not rename registers to
1526 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1528 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1529 contain MEMs. Remove useless distinction about clobbering
1532 2001-05-13 Geoff Keating <geoffk@redhat.com>
1534 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1535 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1536 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1537 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1538 (EXCEPTION_SECTION): Define.
1540 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1542 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1543 binary backward compat only.
1544 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1545 in LIB2FUNCS. Pass it to mklibgcc.
1546 * mklibgcc.in: Handle LIB2FUNCS_ST.
1548 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1550 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1552 * tm.texi (THREAD_MODEL_SPEC): Document it.
1553 * gcc.c (main): Use it.
1554 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1555 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1557 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1559 * rtl.h (SYMBOL_REF_WEAK): New macro.
1560 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1561 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1562 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1563 * gcc.texi: Remove wrong description.
1565 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1567 * Makefile.in (STAMP): New macro.
1568 Replace all uses of `touch' with $(STAMP).
1569 * fixinc/Makefile.in: Likewise.
1571 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1573 * configure.in: ldopen is never in -lexc, so don't test for it.
1574 Add test for exc_resume in -lexc for Ada.
1575 * configure: Regenerated.
1577 2001-05-12 Richard Henderson <rth@redhat.com>
1579 * dwarf2asm.c (size_of_encoded_value): New function.
1580 * dwarf2asm.h: Declare it.
1581 * except.c (output_function_exception_table): Align the TType
1582 array only as wide as the encoding.
1584 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1586 * extend.texi: Document #pragma GCC java_exceptions.
1588 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1590 * c-parse.in (bison parser, init_reswords): Remove uses of
1592 * c-tree.h (doing_objc_thang): Remove.
1594 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1596 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1597 about files not ending in newlines.
1599 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1601 * dwarfout.c (dwarfout_init): Add cast.
1602 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1603 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1605 * method.c (build_mangled_C99_name): Remove unused prototype.
1607 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1609 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1611 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1613 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1614 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1616 2001-05-11 Richard Henderson <rth@redhat.com>
1618 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1619 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1620 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1621 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1622 (dw2_output_indirect_constants): Prototype.
1623 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1624 current_function_func_begin_label if we'll need it for EH. Exit
1625 early for IA64_UNWIND_INFO.
1626 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1627 (eh_data_format_name): Update for indirect references.
1628 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1629 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1630 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1631 define HAVE_eh_return etc.
1632 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1633 (final_end_function): Don't call output_function_exception_table.
1634 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1635 (rest_of_compilation): Invoke output_function_exception_table
1636 for ia64 before assemble_end_function.
1637 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1638 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1640 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1641 * unwind.h: Declare them.
1642 * libgcc-std.ver: Export them.
1643 * unwind-pe.h: New file.
1645 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1647 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1649 (find_fde_for_dso): Extract DT_PLTGOT.
1650 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1651 the segment and gp as well.
1652 * config/ia64/frame-ia64.c: Remove file.
1653 * config/ia64/frame-ia64.h: Remove file.
1654 * config/ia64/unwind-ia64.c: New file.
1655 * config/ia64/unwind-ia64.h: New file.
1656 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1657 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1658 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1659 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1660 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1661 (IA64_UNWIND_INFO): Re-enable.
1662 (HANDLER_SECTION): Remove.
1663 (EH_RETURN_DATA_REGNO): New.
1664 * config/ia64/ia64.md (exception_receiver): Remove.
1665 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1666 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1668 2001-05-11 Richard Henderson <rth@redhat.com>
1670 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1671 calls and jumps to be bundled together.
1672 (ia64_reorg): Emit a break after a noreturn call that ends
1674 * config/ia64/ia64.md (break_f): New.
1676 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1678 * c-lex.c (lex_charconst): Convert into a simple wrapper
1679 around cpp_interpret_charconst, to which most of the code
1681 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1682 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1683 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1684 (lex): Use cpp_interpret_charconst.
1685 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1686 hex_digit_value): New functions.
1687 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1688 * cpplib.h (cpp_interpret_charconst): New prototype.
1689 * Makefile.in: Update.
1691 2001-05-12 Dean Wakerley <dean@wakerley.com>
1693 * doc/install.texi: New file. Converted to texinfo from the HTML
1694 documentation in wwwdocs/htdocs/install.
1696 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1698 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1699 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1701 * toplev.c (compile_file): Move comment for opening output
1702 file to just before the code that opens the output file.
1704 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1706 * regmove.c (regmove_optimize): Suppress the optimization for
1707 unchanging destination register. Add comment above function.
1709 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1711 * Makefile.in: Exterminate all references to assert.h.
1712 * cross-make: Likewise.
1714 * configure.in: Correct commentary.
1715 * configure: Regenerate.
1717 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1720 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1721 config/t-netbsd, config/t-rtems, config/x-linux,
1722 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1723 No need to override INSTALL_ASSERT_H.
1725 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1726 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1727 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1729 2001-05-11 Graham Stott <grahams@redhat.com>
1731 * combine.c (simplify_comparison): Fix typo.
1733 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1735 * loop.h (struct movables): Remove `num'.
1736 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1737 Adjust call to strength_reduce.
1738 (num_unmoved_movables): New function.
1739 (move_movables): Don't set movables->num.
1740 (strength_reduce): Compute the number of instructions in the loop
1741 here, rather than in the caller.
1742 (check_dbra_loop): Always clear reversible_mem_store if there
1743 are any memory sets.
1744 (loop_regs_scan): Don't count instructions here.
1745 (count_insn_in_loop): New function.
1747 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1749 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1751 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * c-common.c (finish_label_expr): New function, lifted from
1754 from cp/semantics.c.
1755 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1756 * c-parse.in: Move 3 blocks of parser code into new functions.
1757 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1758 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1759 (lookup_label): Remove.
1761 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1763 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1764 FLOAT_BIT_ORDER_MISMATCH.
1766 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1768 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1769 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1771 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1773 * expr.c (emit_group_load): extract_bit_field requires a REG or
1776 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1778 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1779 a computed jump into an unconditional jump.
1780 In second hunk of code for collapsing computed and conditional jumps
1781 into unconditional jumps, reemit the jump in additional cases.
1783 * jump.c (jump_optimize_1): Do not wrap the new jump target
1784 inside a LABEL_REF; gen_jump will do that automatically.
1786 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1788 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1789 contents for a SYMBOL_REF in case of floating point constants.
1791 2001-05-10 DJ Delorie <dj@redhat.com>
1793 * c-common.c (combine_strings): Widen strings in a
1794 host-endian-independent way.
1796 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1798 * c-parse.in: Remove many shift/reduce conflicts. Update
1800 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1801 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1802 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1803 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1804 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1805 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1806 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1807 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1808 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1809 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1810 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1811 typespec_reserved_nonattr, typespec_reserved_attr,
1812 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1813 structsp_nonattr, components_notype, component_notype_declarator,
1814 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1815 firstparm, setspecs_fp): New
1816 (typed_declspecs, reserved_declspecs, typed_typespecs,
1817 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1818 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1819 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1820 type_quals): Remove. Users updated.
1821 (initdecls, notype_initdecls, after_type_declarator,
1822 parm_declarator, notype_declarator, absdcl1, components, ivars):
1823 Don't allow attributes at the start of a declarator; include them
1824 in the production containing the declarator instead. Always
1825 require type specifiers before trying to redeclare a typedef name.
1826 (typename): Allow for attributes but warn that they are ignored.
1827 (parmlist, firstparm, setspecs_fp): Include attributes in
1828 parmlist; suck them off the parser stack in firstparm using
1831 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1833 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1834 to determine if a block has an unconditional jump at its end.
1836 * jump.c (jump_optimize_1): When converting a conditional jump
1837 to an unconditional jump, build the jump using gen_jump instead
1838 of just modify operands in-place.
1840 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1842 * cppinit.c (cpp_post_options): Shut off macro expansion if
1844 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1845 IN_I directives only if the # is in column 1 and the directive
1846 name begins in column 2.
1847 * cppmain.c (scan_buffer): Insert a space between # and an
1848 identifier, when that identifier is a directive name.
1850 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1851 in the header search path.
1852 (enum node_type): Add T_INCLUDE_NEXT.
1853 (directive_table): Add entry for include_next.
1854 (do_include_next): New function.
1855 (process_include): New routine, broken out of do_include.
1856 (finclude): Insert 'nhd' argument, to be copied into
1857 next_header_dir of the new buffer.
1858 (main): Adjust to match.
1859 * gsyslimits.h, limity.h: Un-indent #include_next.
1861 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1863 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1864 inclusion as a chapter of the GCC manual.
1865 * gcc.texi: Include objc.texi.
1866 * fdl.texi: Use @unnumberedsec for the addendum.
1867 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1869 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1873 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1875 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1876 handling of two-address insns.
1878 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1880 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1881 ../binutils/nm-new instead of ../binutils/nm.
1883 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1885 * i386.md (movdi splitter): Fix the splitting condition
1886 (float_extenddftf splitter): Fix mode.
1888 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1890 * genrecog.c (write_switch): Avoid outputting of switch for
1891 types wider than int.
1893 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1895 * reload1.c (copy_eh_notes): New function.
1896 (emit_input_reload_insns): Call it.
1897 (emit_output_reload_insns): Call it.
1899 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1901 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1903 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1904 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1906 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1908 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1910 * pa.md (interspace_jump): Revise comment.
1911 (builtin_longjmp): Block initial setup insns from delay slot of
1913 (builtin_setjmp_receiver): New expander to save and restore PIC
1916 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1918 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1920 * toplev.c (compile_file): Set up the output file before we call
1921 the various initializers for the compiler.
1923 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1924 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1926 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1927 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1929 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1931 * Makefile.in (tradcpp0): Correct typo in dependency list.
1933 2001-05-06 Geoff Keating <geoffk@redhat.com>
1935 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1936 the link register if we're not going to use it.
1938 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1939 (output_function_profiler): Likewise.
1941 2001-05-07 Alan Modra <amodra@one.net.au>
1943 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1945 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1947 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1948 zero-extend it. Make abs_inc unsigned.
1950 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1951 widest mode in narrowing and widening operations.
1953 * config/mips/mips.md: Sign extend CONST_INTs.
1955 2001-05-06 Andreas Jaeger <aj@suse.de>
1957 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1958 (i386 Options): Document -momit-leaf-frame-pointer.
1960 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1962 * c-typeck.c (internal_build_compound_expr): Check for
1963 array to pointer conversion just once.
1965 2001-05-05 Richard Henderson <rth@redhat.com>
1967 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1969 2001-05-05 Richard Henderson <rth@redhat.com>
1971 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1972 to the parent of the fixup region.
1974 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1976 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1978 * cpp.texi (__NO_INLINE): Document it.
1980 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1982 * cppfiles.c (struct include_file): New member err_no.
1983 (find_or_create_entry): Set it.
1984 (open_file): Don't set fds to -2. Instead, use err_no to
1985 remember previous errors, if any.
1987 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1989 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1990 between X and Y by using sequences of xgdx and xgdy.
1992 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1994 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1995 of '!' for the 'D' alternative ('!' is too strong).
1996 ("*logicalsi3_silshl16"): Likewise.
1997 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1998 ("movstrictsi"): Remove spurious '+'.
1999 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2000 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2001 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2004 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2006 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2008 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2010 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2013 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2015 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2018 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2020 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2021 soft register, use ror instead of rol.
2023 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2025 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2026 into account pre/post increment decrement for 68HC12.
2027 Fix other problems in replacement and fix call to reg_mentioned_p.
2029 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2031 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2032 Put the soft registers in bss for 68HC12.
2033 (L_regs_d3_4): New for _.d3 and _.d4.
2034 (L_regs_d5_6): Likewise.
2035 (L_regs_d1_2): Likewise.
2036 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2038 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2040 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2041 to the pre-processor when -fshort-double is specified.
2042 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2044 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2046 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2047 (__mulsi3): Rewrite for 68HC12.
2048 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2049 Mark 'x' constraint with earlyclobber to prevent a
2050 RELOAD_FOR_OTHER_ADDRESS to go in it.
2051 (mulhi3_m68hc12): New pattern.
2052 (mulhi3_m68hc11): Rename of mulhi3.
2053 (mulhi3): New expand for 68HC12 optimisation.
2054 (umulhisi3, mulhisi3): New patterns for 68HC12.
2056 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2058 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2059 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2060 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2062 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2064 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2065 constants cheap after reload.
2066 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2068 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2069 so that gcc prefers a shift by 16.
2070 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2072 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2074 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2076 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2078 * alpha.h: NULL_PTR -> NULL.
2085 * i386.md: Likewise.
2088 * m68hc11.h: Likewise.
2089 * rs6000.h: Likewise.
2092 * sparc.h: Likewise.
2096 * final.c: Likewise.
2098 * recog.c: Likewise.
2100 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2103 `bool' parameter to `int'.
2105 * hash.c (hash_lookup): Likewise.
2107 * hash.h (hash_lookup): Likewise.
2109 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2111 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2113 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2115 2001-05-03 Geoff Keating <geoffk@redhat.com>
2117 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2118 -malign-loops, -malign-functions.
2119 * i386.c (ix86_align_funcs): Delete.
2120 (ix86_align_loops): Delete.
2121 (ix86_align_jumps): Delete.
2122 (override_options): Mark -malign-* as obsolete. Emulate their
2123 behaviour with the -falign-* options. Default -falign-* from
2124 the processor table.
2125 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2126 patch of Wed May 2 13:09:36 2001.
2127 (LOOP_ALIGN): Delete.
2128 (LOOP_ALIGN_MAX_SKIP): Delete.
2129 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2130 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2132 2001-05-04 Andreas Jaeger <aj@suse.de>
2134 * except.h: Add prototype declaration for
2135 expand_builtin_init_dwarf_reg_sizes.
2137 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2139 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2141 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2143 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2145 ("bitcmpqi2"): New pattern for bit-extract and test.
2146 ("bitcmphi"): New pattern for bitb/bita instructions.
2148 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2150 * gccbug.in: Use a temporary directory when the mktemp command is
2153 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2155 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2157 (INITIALIZE_TRAMPOLINE): Call it.
2158 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2159 (TRAMPOLINE_TEMPLATE): Remove.
2160 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2161 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2164 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2166 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2167 and crtendS.o with PIC.
2169 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2171 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2173 (___subdi3, ___adddi3): Use x instead of y as index register.
2174 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2175 (__memset, __memcpy): Likewise.
2176 (regs): Put the soft registers in bss for 68HC12.
2177 (abort): Use trap to abort for 68hc12.
2178 (__mulhi3, __mulhi32): Use emul for 68hc12.
2179 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2181 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2183 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2184 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2185 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2186 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2187 Set 68HC12 min offset to -65536.
2188 (print_operand): Put parenthesis arround the operand if it refers
2189 to a symbol having the same name as a register.
2190 (m68hc11_z_replacement): When z register is replaced by its
2191 equivalent soft register, force the insn to be re-recognized.
2192 (m68hc11_check_z_replacement): Fix the test when destination is
2193 the index register and z dies in the insn.
2194 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2196 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2198 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2199 costs according to processor variant.
2200 (m68hc11_shift_cost): New function to compute shift costs.
2201 (m68hc11_rtx_costs): Define costs according to processor variant.
2202 (m6811_cost): Costs for 68HC11.
2203 (m6812_cost): Costs for 68HC12.
2204 (COSTS_N_INSNS): Remove.
2206 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2207 (DEFAULT_RTX_COSTS): Remove.
2208 (CONST_COSTS): Define costs according to OUTER_CODE.
2209 (processor_costs): New struct to define costs.
2210 (m68hc11_cost): Pointer to current costs.
2212 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2214 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2215 and use m68hc11_notice_keep_cc when using leax/leay.
2216 (addhi3 split): Reject split if the insn is handled by
2218 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2219 push must be handled in a special way if the source operand uses
2220 sp as index register.
2221 (m68hc11_notice_keep_cc): New function.
2222 (m68hc11_gen_movhi): Use it when an insn changes a register but
2224 (m68hc11_gen_movqi): Fix move for 68HC12.
2225 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2227 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2229 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2230 and don't pass operands[0] to emit_library_call_value.
2232 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2234 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2235 (zero_extendsi split): Simplify and use (zero_extendhi).
2236 (*addhi3): Remove 'w' constraint since stack pointer is handled
2238 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2239 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2240 (*ashrhi3_const): Fix shift by 7.
2241 (*lshrsi3_const16): Fix template.
2242 (call, call_value): Fix constraint and predicate.
2244 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2246 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2247 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2248 (CC_REGNUM): Likewise.
2249 (*unnamed splits): Use above constants instead of hard coded numbers.
2250 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2251 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2252 (*return_16bit, *unnamed peepholes): Likewise.
2254 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2256 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2257 rs6000/rs6000.h twice.
2259 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2261 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2262 (CPP_SPEC): Conditionally define MSDOS and GO32.
2263 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2264 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2266 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2268 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2270 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2272 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2274 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2275 * integrate.c (expand_inline_function): Use xcalloc to allocate
2277 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2280 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2282 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2285 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2287 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2288 linker if -mrelax is given.
2289 (TARGET_SWITCHES): Document -mrelax.
2291 Re-installed 2001-01-09's patch:
2292 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2293 if it's wider than long and the target's long is wider than the
2296 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2298 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2299 directly include rs6000/rs6000.h. Instead do it in tm.h.
2301 2001-05-02 Stan Shebs <shebs@apple.com>
2303 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2304 NSConstantString for NeXT-style runtimes.
2305 (STRING_OBJECT_GLOBAL_NAME): New macro.
2306 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2307 OCTI_STRING_CLASS_DECL.
2308 (constant_string_global_id): New macro.
2309 (string_class_decl): Ditto.
2310 (setup_string_decl): New function.
2311 (build_objc_string_object): Use it to build a NeXT runtime
2312 compatible string initializer.
2314 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2316 * tradcpp.c (do_define): Make sure we don't walk past limit.
2318 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2320 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2321 offsets if not REG_OK_STRICT.
2323 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2324 (INT_REG_OK_FOR_INDEX_P): Likewise.
2325 (INT_REG_OK_FOR_BASE_P): Likewise.
2326 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2327 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2328 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2329 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2330 REG_OK_FOR_BASE_P. Take an additional parameter.
2331 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2332 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2333 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2334 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2335 rs6000_legitimate_address() and use it.
2336 * config/rs6000/rs6000.c: Update all callers.
2337 (rs6000_legitimate_address): New function.
2339 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2341 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2342 special_constant conditional blocks together.
2344 2001-05-02 Dale Johannesen <dalej@apple.com>
2346 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2348 (STRICT_ARGUMENT_NAMING): Define.
2349 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2350 function_arg_partial_nregs, setup_incoming_varargs): Remove
2351 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2354 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2356 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2358 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2361 * expr.c (store_field): Do nothing except elaborate side-effects if
2364 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * c-lex.c: NULL_PTR -> NULL.
2368 * emit-rtl.c: Likewise.
2370 * genpeep.c: Likewise.
2372 * mips-tdump.c: Likewise.
2373 * reload1.c: Likewise.
2374 * rtlanal.c: Likewise.
2376 * stor-layout.c: Likewise.
2377 * toplev.c: Likewise.
2379 2001-05-01 Per Bothner <per@bothner.com>
2381 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2382 call do_pending_stack_adjust before emiting label.
2384 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2386 * extend.texi: Fix typo.
2388 2001-05-01 Stan Shebs <shebs@apple.com>
2390 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2391 of UOBJC_MODULES_decl.
2392 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2393 (generate_descriptor_table): Ditto.
2394 (generate_protocols): Ditto.
2395 (generate_protocol_list): Ditto.
2396 (generate_classref_translation_entry): Ditto.
2398 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2400 * invoke.texi (Optimize Options): Add documentation for `--param
2401 max-delay-slot-insn-search' and `--param
2402 max-delay-slot-live-search' and reorder --param section.
2403 * params.def: Modify initial comment.
2404 * params.h (param_info): Add `help' member.
2405 * toplev.c (lang_independent_params): Include `help' description.
2406 (display_help): Print --param parameters.
2408 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2410 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2411 Remove references to deleted files.
2412 (*-*-openbsd): No need to override xmake_file.
2413 (*-*-sysv4): Treat like *-*-sysv.
2415 * configure.in: Probe for ldopen in various places, and set up
2416 collect2 to be linked with them if found.
2417 Don't dink with Windows registry stuff unless $host_os is a
2418 Win32 os name. Check to see if we need -ladvapi32.
2419 * configure: Regenerate.
2421 * Makefile: Get rid of CLIB and HOST_CLIB.
2422 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2423 * build-make: Get rid of HOST_CLIB.
2425 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2426 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2427 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2428 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2429 config/rs6000/x-rs6000: Delete.
2431 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2434 24 x-host fragments remain, 0 x-cpu, 3 top level.
2436 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2438 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2439 * configure: Regenerate.
2441 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2443 * Makefile.in (install-headers): Remove redundant dependency.
2445 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2447 * c-tree.texi (USING_STMT): Document.
2449 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2451 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2452 * c-common.c: Likewise.
2453 * c-decl.c: Likewise.
2454 * combine.c: Likewise.
2455 * rs6000.c: Likewise.
2456 * except.c: Likewise.
2457 * explow.c: Likewise.
2459 * fold-const.c: Likewise.
2460 * function.c: Likewise.
2463 * integrate.c: Likewise.
2465 * objc/objc-act.c: Likewise.
2466 * recog.c: Likewise.
2467 * reg-stack.c: Likewise.
2468 * reload.c: Likewise.
2469 * reload1.c: Likewise.
2470 * simplify-rtx.c: Likewise.
2472 * varasm.c: Likewise.
2474 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2476 * diagnostic.def: New file.
2477 * diagnostic.h (diagnostic_t): New enum.
2478 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2480 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2482 * tsystem.h: Test only POSIX for availability of string.h
2484 * config.gcc (all systems): If USG appeared in xm_defines,
2485 change it to POSIX. If both USG and POSIX appeared, just
2486 delete USG. Remove unnecessary quotes around xm_defines
2488 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2489 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2490 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2491 powerpc-*-linux*): No need to set xm_defines - handled by
2492 global settings for *-*-linux*.
2494 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2496 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2497 Always include gstab.h, not system stab.h. Don't provide
2498 default definitions of N_CATCH or N_OPT. Always use the
2499 gstab.h variant of STAB_CODE_TYPE.
2500 * final.c: Don't include stab.h/gstab.h at all, or provide
2501 defaults for N_SLINE and N_SOL.
2503 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2504 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2506 * sdbout.c: Always include gsyms.h instead of system syms.h.
2508 * configure.in: No need to check for stab.h.
2509 * configure, config.in: Regenerate.
2510 * Makefile.in (final.o): Don't depend on gstab.h.
2512 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2513 Richard Henderson <rth@redhat.com>
2515 * extend.texi: Improve documentation of volatile asms.
2517 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2519 * c-tree.texi: Fix thinko.
2520 * gcc.texi: Likewise.
2522 2001-04-30 Richard Henderson <rth@redhat.com>
2524 * c-common.c (c_promoting_integer_type_p): New function, from the
2525 corpse of old macro. Properly promote too-small enumerations and
2526 booleans. Adjust all callers.
2527 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2528 (c_promoting_integer_type_p): Declare.
2529 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2530 * c-typeck.c: Likewise.
2531 (default_conversion): Remove now redundant boolean check.
2533 2001-04-30 Jan Hubicka <jh@suse.cz>
2534 Richard Henderson <rth@redhat.com>
2536 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2538 (combine_stack_adjustments_for_block): Don't combine stack
2539 allocation followed by deallocations. Handle grow-up stacks.
2541 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2543 * fdl.texi: New file.
2544 * c-tree.texi: Use the GFDL.
2545 * gcc.texi: Likewise.
2547 2001-04-30 Stan Shebs <shebs@apple.com>
2549 * invoke.texi: Add a section documenting Objective-C options.
2551 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2553 * emit-rtl.c (try_split): Copy EH notes to sequence.
2555 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2557 * regmove.c (record_stack_memrefs): Catch all references to the
2560 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2562 * Makefile.in (stmp-fixinc): quote shell assignment values
2564 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2566 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2570 * prefix.c: Likewise.
2572 2001-04-28 Stan Shebs <shebs@apple.com>
2574 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2575 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2576 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2577 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2579 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2580 (NEXT_OBJC_RUNTIME): Define.
2582 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2584 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2585 * simplify-rtx.c (simplify_gen_relational): Likewise.
2587 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2589 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2590 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2592 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2593 registers in SSE case; fix handling of the immediates.
2594 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2595 operands to be in regsiters before reload.
2596 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2597 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2598 (abstf,absxf,negtf,negxf splitters): Compute
2599 properly the regnum for x86_64.
2600 (avsdf2_if_rex64): New.
2602 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2604 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2605 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2606 into the constant pool.
2607 * jump.c (jump_optimize_1): Remove barrier successors after all
2608 the LABEL_NUSES counds have been computed.
2609 (delete_barrier_successors): When deleting a tablejump insn, also
2610 delete the jump table it uses.
2611 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2614 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2616 * pa.c (FRP): Remove erroneous white space in macro definition.
2618 2001-04-28 Andreas Jaeger <aj@suse.de>
2620 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2622 * extend.texi: Likewise.
2623 * tm.texi: Likewise.
2625 2001-04-28 Andreas Jaeger <aj@suse.de>
2627 * md.texi: Use XX-bit instead of XXbit or XX bit where
2630 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2632 * gcc.c (process_command): Allow -l lib in addition to -llib
2633 for POSIX compliance. This fixes PR c/2347.
2635 * invoke.texi: Update section on Link Options accordingly.
2637 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2639 * function.c (purge_addressof_1): Remove the duplicate
2640 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2643 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2645 * except.c (expand_eh_region_start): Don't start a new block.
2646 (expand_eh_region_end): Don't end a block.
2647 * stmt.c (expand_end_bindings): Don't end EH blocks.
2648 (expand_decl_cleanup): Starting an EH region won't change the block.
2649 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2650 (is_eh_region): Lose.
2653 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2655 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2657 * collect2.c (main): Add `-L' case to remove duplicate entries.
2658 (is_in_args): New function to check for a duplicate argument.
2659 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2660 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2661 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2662 Define to be nonzero.
2664 2001-04-27 Andreas Jaeger <aj@suse.de>
2665 Richard Henderson <rth@redhat.com>
2667 * md.texi (Machine Constraints): Document additional i386
2668 constraints and fix description of "A".
2670 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2672 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2674 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2676 * except.c (get_exception_filter): word_mode, not Pmode.
2678 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2680 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2681 common to other movsf patterns. Move up so that in future
2682 people who change the other patterns will change it too.
2683 (movsf_lo_sum): Allow even for soft-float; add appropriate
2685 (movsf_high): Likewise.
2686 (movsf_high+1): Allow even for soft-float.
2688 * function.c (expand_function_end): Always clobber the
2689 return registers, even if there is no return label.
2691 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2693 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2695 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2697 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2698 (pushqi2_rex64, pushhi2_rex64): Add.
2700 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2702 * except.c (expand_eh_region_end_cleanup): Force pending stack
2703 adjust before emitting label that branches around cleanup code.
2705 2001-04-26 H.J. Lu (hjl@gnu.org)
2707 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2709 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2711 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2712 (ASM_OUTPUT_SECTION_NAME): Likewise.
2713 (ASM_WEAKEN_LABEL): Likewise.
2714 (UNIQUE_SECTION): Likewise.
2715 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2716 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2717 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2718 (ASM_OUTPUT_SECTION_NAME): Likewise.
2719 (ASM_WEAKEN_LABEL): Likewise.
2720 (UNIQUE_SECTION): Likewise.
2721 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2722 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2723 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2724 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2725 (ASM_FILE_START): Likewise.
2726 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2727 (ASM_DECLARE_OBJECT_NAME): Likewise.
2728 (ASM_FILE_END): Likewise.
2729 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2730 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2731 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2732 (ASM_OUTPUT_CASE_LABEL): Likewise.
2733 (ASM_OUTPUT_SKIP): Likewise.
2734 (ASM_OUTPUT_ASCII): Likewise.
2735 (ASM_OUTPUT_IDENT): Likewise.
2736 (READONLY_DATA_SECTION): Likewise.
2737 (EXTRA_SECTIONS): Likewise.
2738 (EXTRA_SECTION_FUNCTIONS): Likewise.
2739 (SELECT_RTX_SECTION): Likewise.
2740 (SELECT_SECTION): Likewise.
2742 * config/mips/linux.h (INVOKE__main): Undefine.
2743 (CTOR_LIST_BEGIN): Likewise.
2744 (CTOR_LIST_END): Likewise.
2745 (DTOR_LIST_BEGIN): Likewise.
2746 (DTOR_LIST_END): Likewise.
2747 (SET_ASM_OP): Defined it to ".dummy".
2748 (ASM_OUTPUT_DEF): Defined.
2749 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2751 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2753 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2754 assembler supports .p2align.
2756 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2758 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2760 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2762 * integrate.c (expand_inline_function): Check for error_mark_node
2765 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2767 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2770 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2772 * configure.in (configargs.h): Define thread_model.
2773 * configure: Rebuilt.
2774 * gcc.c (main): Print it with -v.
2776 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2778 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2779 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2780 * gcc.1: Regenerate.
2782 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2784 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2785 is_redundant_typedef): Use static inline instead of inline static.
2787 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2789 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2790 this directory is always searched.
2792 2001-04-25 Richard Henderson <rth@redhat.com>
2794 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2795 of registers to restore along non eh_return path.
2797 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2799 * c-format.c (check_format_info_recurse): Handle
2800 PLUS_EXPR for format string.
2802 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2804 * config/ia64/ia64.h (CC1_SPEC): Define.
2805 * config/ia64/linux.h (CC1_SPEC): Define.
2807 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2809 * emit-rtl.c (constant_subword): Also do sign extension in
2810 BITS_PER_WORD == 16 case.
2812 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2814 * loop.c (try_swap_copy_prop): Go back to checking insn.
2816 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2818 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2819 if check_mode is non-zero.
2821 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2823 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2824 out and comparison sequence has been detected, put result into
2825 proper temporary pseudo.
2827 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2829 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2830 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2831 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2832 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2833 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2834 for future reference.
2836 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2838 * except.c (reachable_handlers): Step out one level from a RESX.
2840 * except.c (struct eh_region): Rename 'last' to 'resume'.
2841 (mark_eh_region, duplicate_eh_region_1): Adjust.
2842 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2843 (build_post_landing_pads): Likewise.
2844 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2845 (expand_eh_region_end_must_not_throw): Likewise.
2846 (connect_post_landing_pads): Thread (only) regions with non-deleted
2849 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2850 registers around the cleanup.
2851 (get_exception_filter): New fn.
2852 (finish_eh_generation): Use it.
2854 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2856 * c-semantics.c (add_scope_stmt): Don't call
2857 current_scope_stmt_stack multiple times.
2859 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2860 Nathan Sidwell <nathan@codesourcery.com>
2862 Lazy __FUNCTION__ generation.
2863 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2864 RID_C99_FUNCTION_NAME): New _RIDs.
2865 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2866 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2867 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2869 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2870 (c99_function_name_decl_node, function_name_decl_node,
2871 pretty_function_name_decl_node, saved_function_name_decls):
2873 (struct language_function): Remove x_function_name_declared_p.
2874 (make_fname_decl): Remove a parameter.
2875 (declare_function_names): Remove prototype.
2876 (start_fname_decls, finish_fname_decls): Prototype.
2877 (fname_as_string): Likewise.
2878 (fname_string, fname_decl): Likewise.
2879 * c-common.c (make_fname_decl): Adjust.
2880 (struct fname_var_t): New struct.
2881 (fname_vars): New static array.
2882 (declare_function_name): Remove.
2883 (start_fname_decls, finish_fname_decls): New functions.
2884 (fname_as_string): New function from remnants of
2885 declare_function_name.
2886 (fname_string, fname_decl): New functions.
2888 * c-decl.c (c_function_name_declared_p): Remove.
2889 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2890 don't call declare_function_name. Call start_fname_decls.
2891 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2892 clobber the line number. Call finish_decl.
2893 (start_function): Call start_fname_decls.
2894 (finish_function): Call finish_fname_decls.
2895 Remove c_function_name_declared_p.
2896 (push_c_function_context): Don't push c_function_name_declared_p.
2897 (pop_c_function_context): Don't pop c_function_name_declared_p.
2898 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2899 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2900 (program): Call finish_fname_decls for C.
2901 (primary): Add VAR_FUNC_NAME.
2902 (reswords): Add slots for __FUNCTION__ et al.
2903 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2904 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2905 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2906 * c-semantics.c (prune_unused_decls): Remove.
2907 (finish_stmt_tree): Don't call prune_unused_decls.
2908 (genrtl_decl_stmt): Don't prune unused decls here.
2910 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2912 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2913 constant pool, use the pool's SYMBOL_REF instead.
2915 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2918 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2920 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2921 passing nested NOP_EXPRs to fold.
2923 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2925 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2927 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2929 * loop.c (loop_delete_insns): Add prototype.
2931 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2933 * configure.in: Remove ENABLE_STD_NAMESPACE.
2934 * config.in: Regenerated.
2935 * configure: Regenerated.
2937 2001-04-22 Stan Shebs <shebs@apple.com>
2939 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2941 * config/rs6000/xm-darwin.h: Remove file.
2943 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2946 (write_c_file_stat): Likewise.
2948 * dbxout.c (dbxout_init): Likewise.
2950 * profile.c (output_func_start_profiler): Likewise.
2952 2001-04-22 Philipp Thomas <pthomas@suse.de>
2954 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2955 require it instead of the CVS version.
2956 * cpperror.c (v_message): Put a blank before the macro
2957 body to not confuse exgettext.
2959 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2961 * flow.c (proagate_one_insn): Remove useless assignment.
2962 * jump.c (delete_insn): Tidy.
2963 * loop.c (try_copy_prop): When deleting an instruction with a
2964 REG_RETVAL note, delete the entire libcall sequence.
2965 (loop_delete_insns): New function.
2966 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2967 we're not substituting into them yet.
2969 2001-04-21 Kazu Hirata <kazu@hxi.com>
2971 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2973 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2975 * config/i960/i960.c (signed_arith_operand): Likewise.
2977 * calls.c (expand_call): Fix a comment typo.
2979 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2981 * configure.in: Probe for times, clock, struct tms, and clock_t.
2982 * configure, config.in: Regenerate.
2983 * timevar.c: Replace ifdef forest in get_time with (relatively)
2984 straightforward series of checks based on autoconf's probes.
2986 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2988 * config/pa/som.h (NM_FLAGS): Define.
2990 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2992 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2994 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2995 * ia64.c (nop_cycles_until): New function.
2996 (prev_cycle, prev_first, last_issued): New static variables.
2997 (ia64_sched_reorder): Additional arg for clock.
2998 On final scheduling pass, emit extra NOPs as needed.
2999 Set prev_first and prev_cycle.
3000 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3001 (ia64_variable_issue): Set last_issued.
3003 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3005 * config/i386/i386.c (ix86_expand_int_movcc,
3006 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3008 2001-04-20 Geoff Keating <geoffk@redhat.com>
3010 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3011 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3012 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3013 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3014 ctrdi_internal6): In the short-branch case, this insn is only 4
3015 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3017 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3019 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3020 "=u" is used together with "st" resp. "st(1)" clobber.
3022 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3024 * gcse.c (gcse_main): Fix comment typo.
3025 (delete_null_pointer_check): Likewise.
3026 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3027 * cse.c (cse_insn): Likewise.
3028 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3031 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3033 * toplev.c: Excise all code for the undocumented -dm option.
3034 (float_signal): Call signal just once, unconditionally.
3036 2001-04-19 Geoff Keating <geoffk@redhat.com>
3038 * fold-const.c (fold): Use first_rtl_op rather than
3039 TREE_CODE_LENGTH when looping over parameters of a tree.
3040 Correct strange grouping in test for evaluated SAVE_EXPR.
3042 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3044 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3045 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3047 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3048 name at 32 total characters.
3049 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3050 functions in named sections -- data items can still go into unique
3051 sections, but they have normal names (ie $LIT$ and $DATA$).
3053 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3056 2001-04-19 DJ Delorie <dj@redhat.com>
3058 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3059 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3060 * config/i386/cygwin.h: Likewise.
3061 * config/i386/mingw32.h: Likewise.
3062 * config/vax/vms.h: Likewise.
3063 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3065 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3066 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3067 * config/i386/xm-cygwin.h: Likewise.
3068 * config/i386/xm-djgpp.h: Likewise.
3069 * config/i386/xm-mingw32.h: Likewise.
3070 * config/vax/xm-vms.h: Likewise.
3072 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3073 instead of OBJECT_SUFFIX.
3074 * collect2.c (find_a_file): Look for files matching the extension
3075 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3076 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3077 TARGET_EXECUTABLE_SUFFIX.
3078 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3079 (make_relative_prefix): Likewise.
3080 (convert_filename): Use TARGET_ suffixes throughout. Remove
3082 (process_command): Likewise.
3083 (do_spec_1): Likewise.
3084 * java/lang.c (init_parse): Likewise.
3086 * gcc.texi : Document four new options matching the pattern
3087 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3088 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3089 documentation for NO_AUTO_EXE_SUFFIX.
3091 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3093 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3094 that language-independent processing should not be done.
3095 * toplev.c (main): Adjust accordingly.
3097 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3098 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3100 * mips.md (reload_outputdi): Require that operand0 be a
3103 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3105 * invoke.texi (-Wshadow): Clarify.
3107 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3109 * loop.c (load_mems): Examine all the instructions in the loop
3110 before concluding that all jumps branch to the first instruction
3113 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3115 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3117 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3119 * cpp.texi (-Wwhite-space): Remove.
3120 (-Wall): -Wall does not imply -Wwhite-space.
3122 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3124 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3125 use it instead of blindly generating a .stabs.
3126 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3128 * xcoffout.c: Don't bother defining default for N_CATCH.
3129 (UNKNOWN_STAB): Use internal_error.
3130 (stab_to_sclass): Remove now-unnecessary aborts.
3131 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3133 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3135 * jump.c (mark_all_labels): Canonicalize the tail recursion
3136 label attached to CALL_PLACEHOLDER insns.
3138 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * output.h (dump_flow_info, free_basic_block_vars,
3141 which_alternative): Delete redundant prototypes.
3143 * rtl.h (bss_section): Likewise.
3145 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3147 * dbxout.c (N_OPT): Define if not available from <stab.h>
3149 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3151 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3152 libraries and native K&R compilers.
3154 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * c-typeck.c (convert_arguments): Don't check for width changes
3159 * invoke.texi (-Wtraditional): Update documentation.
3161 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3163 * toplev.c (output_lang_identify): Delete.
3164 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3165 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3166 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3167 after calling ASM_FILE_END.
3169 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3170 Instead, unconditionally emit an N_OPT stab with string equal
3171 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3173 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3175 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3176 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3177 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3178 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3179 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3180 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3181 config/i370/i370.h, config/i386/beos-elf.h,
3182 config/i386/osf1elf.h, config/i386/osfrose.h,
3183 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3184 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3185 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3186 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3187 config/mips/iris6.h, config/mips/osfrose.h,
3188 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3189 config/sparc/sp64-elf.h:
3190 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3191 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3193 * config/elfos.h, config/freebsd.h, config/linux.h,
3194 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3195 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3196 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3197 of ASM_FILE_START which merely emit a .version directive. Delete
3198 definitions of ASM_FILE_END which merely emit an .ident directive.
3200 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3201 ASM_IDENTIFY_GCC and move part of its logic into
3204 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3205 config/sparc/linux-aout.h: Don't emit .version directive in
3208 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3209 (output_file_start): Correct comment.
3211 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3212 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3214 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3215 * config/rs6000/aix.h: Correct comment.
3217 * config/i386/i386afe.h: Delete.
3218 * config.gcc: Remove references to i386afe.h.
3220 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3221 other macros deleted by this patch were undocumented.
3223 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3225 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3227 * pa.c (secondary_reload_class): SAR<->FP copies require a
3230 * install.texi (mips-mips-bsd): Update list of functions
3231 required to include memmove.
3232 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3233 used functions to include memmove.
3235 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3237 * i386.md (sqrtdf2): SFmode should be DFmode.
3239 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3241 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3242 (find_moveable_store): Likewise.
3244 2001-04-15 Jim Wilson <wilson@redhat.com>
3246 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3248 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3250 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3251 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3253 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3255 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3258 2001-04-14 Alan Modra <amodra@one.net.au>
3260 * pa.c (force_mode): New function.
3261 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3263 2001-04-13 Jim Wilson <wilson@redhat.com>
3265 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3266 (first_instruction): New static variable.
3267 (rtx_needs_barrier): Return 1 for alloc.
3268 (init_insn_group_barriers): Set first_instruction.
3269 (rws_sum): Delete duplicate definition.
3270 (group_barrier_needed_p): Return 0 when first_instruction true.
3271 (safe_group_barrier_needed_p): Save and restore first_instruction
3272 around group_barrier_needed_p call.
3274 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3276 * expr.h (enum libfunc_index): Add LTI_memmove.
3277 (memmove_libfunc): Define macro.
3278 * optabs.c (init_optabs): Initialize memmove_libfunc.
3279 * expr.c (expand_assignment): Use memmove_libfunc instead of
3282 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3284 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3287 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3289 * Makefile.in (reg-stack.o): Depend on reload.h.
3290 (insn-attrtab.o): Depend on flags.h.
3292 * genattrtab (main): Include flags.h in insn-attrtab.c.
3294 * reg-stack.c: Include reload.h.
3296 * sparc.h (flag_pic): Delete redundant declaration.
3298 * output.h (flag_pic): Likewise.
3300 * tree.h (pedantic): Likewise.
3302 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3304 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3306 * jump.c, regmove.c, toplev.c: Include reload.h.
3308 * reload.h (reload_cse_regs): Declare.
3310 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3311 reload_cse_regs, init_reload, mark_home_live, reload,
3312 init_caller_save): Delete redundant prototypes.
3314 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3316 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3318 * regclass.c, ssa.c: Include expr.h.
3320 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3321 gen_move_insn): Delete redundant declarations.
3323 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3325 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3326 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3327 MAKEINFO and MAKEINFOFLAGS too.
3328 (stage4_build): Correctly order -B flags.
3330 2001-04-13 Alan Modra <amodra@one.net.au>
3332 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3333 PIC_OFFSET_TABLE_SAVE_RTX.
3334 (zdepi_cint_p): Describe zdepi insn.
3335 Formatting and white space fixes throughout file.
3337 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3338 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3339 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3340 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3341 (output_64bit_and): Use plain `int's for shift counts.
3342 (output_64bit_ior): Likewise.
3343 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3344 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3347 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3348 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3349 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3350 NEW_HP_ASSEMBLER into one. Kill warnings.
3352 * pa-gas.h: Delete file.
3353 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3354 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3355 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3356 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3358 * config/pa/mill32.S: New file.
3359 * config/pa/mill64.S: New file.
3360 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3361 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3362 * config/pa/t-linux64: New file.
3363 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3364 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3365 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3367 * elfos.h (SELECT_SECTION): Undef before defining.
3368 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3369 (LIB_SPEC): Remove -lmilli.
3370 (DBX_REGISTER_NUMBER): Remove.
3371 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3372 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3373 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3374 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3375 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3376 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3377 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3378 TARGET_GAS): Define.
3379 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3380 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3381 regs if we don't have a prototype.
3382 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3383 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3384 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3385 EH_RETURN_HANDLER_RTX): Define.
3386 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3387 (DWARF_FRAME_REGNUM): Define.
3388 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3389 * pa32-linux.h: New file.
3390 * pa64-linux.h: New file.
3392 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3393 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3394 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3395 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3396 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3397 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3398 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3399 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3400 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3401 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3402 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3403 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3404 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3405 * pa64-hpux.h: New file.
3406 (ASM_FILE_START): Correct typo.
3407 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3408 * config.gcc: Modify for above.
3410 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3412 * jump.c (jump_optimize_1): Don't delete dead stores here.
3413 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3414 prior to running jump optimize before cse2.
3416 2001-04-12 Richard Henderson <rth@redhat.com>
3418 * Makefile.in (regmove.o): Depend on except.h.
3419 * regmove.c: Include it.
3421 2001-04-12 Stan Shebs <shebs@apple.com>
3423 * objc/objc-act.c: Remove all code ifdefed with the never-used
3424 macro OBJC_INT_SELECTORS.
3425 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3426 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3428 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3430 * config/pa/quadlib.c: Add prototypes.
3432 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3434 * bitmap.h (debug_bitmap): Delete redundant prototype.
3436 * rtl.h (get_frame_size): Likewise.
3438 2001-04-12 Jim Wilson <wilson@redhat.com>
3440 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3441 to just emit an fnorm.
3443 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3445 * c-common.h (truthvalue_conversion, type_for_mode,
3446 type_for_size): Delete redundant declarations.
3448 * c-lex.h (is_class_name): Likewise.
3450 * c-tree.h (pedantic, convert, getdecls, gettags,
3451 global_bindings_p, init_decl_processing, insert_block,
3452 maybe_build_cleanup, poplevel, print_lang_decl,
3453 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3454 set_block, incomplete_type_error, build_function_call,
3455 lvalue_or_else, mark_addressable): Likewise.
3457 * expr.h (expand_tree_builtin): Likewise.
3459 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3461 * invoke.texi: Document --param max-gcse-memory.
3463 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3465 * configure.in (errno): Check for declaration.
3466 * configure, config.in: Regenerated.
3468 * system.h (errno): Only declare if not already done.
3470 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3472 * recog.c (general_operand, immediate_operand,
3473 nonmemory_operand): Require CONST_INTs to be sign-extended
3474 values for their modes.
3476 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3478 * expmed.c (store_bit_field): Truncate CONST_INTs.
3479 (expand_mult_highpart, expand_divmod): Likewise.
3480 * expr.c (convert_modes, store_field): Likewise.
3481 * integrate.c (expand_inline_function): Use promote_mode() to
3482 determine whether to convert_modes() an argument as signed
3484 * optabs.c (expand_binop): Get CONST_INT operands
3485 sign-extended for their appropriate modes.
3486 * stmt.c (emit_case_nodes): Convert node values to the
3488 (expand_end_case): Convert minval and range to the appropriate
3490 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3491 the iteration variable.
3492 * varasm.c (immed_double_const): Don't require words to be
3493 narrower than host wide ints to properly sign-extend
3496 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3498 * sh.md (builtin_setjmp_receiver): New expander.
3500 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3502 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3503 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3504 for generating CONST_INT and CONST_DOUBLE.
3506 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3508 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3509 already sign-extended.
3510 (rs6000_emit_prologue): Make register iterator signed.
3511 (rs6000_emit_epilogue): Likewise.
3512 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3514 (movsf split, movdf split): Sign-extend CONST_INTs.
3515 (movdi splits): Likewise.
3517 2001-04-12 Kelley Cook <kelley.cook@home.com>
3519 * config-lang.in (lang_dirs): Add in zlib.
3521 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3523 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3524 operands that make it to RTL.
3526 2001-04-11 Stan Shebs <shebs@apple.com>
3528 Add Darwin (Mac OS X kernel) native support.
3529 * config.gcc (powerpc-*-darwin*): Add native bits.
3530 * config/darwin.c: New file, generic Darwin support functions.
3531 * config/darwin.h: New file, generic Darwin definitions.
3532 * config/darwin-protos.h: New file, generic Darwin prototypes.
3533 * rs6000/darwin.h: New file, Darwin for PowerPC.
3534 * rs6000/t-darwin: New file, Darwin makefile fragment.
3535 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3536 (TARGET_MACHO): Ditto.
3537 (rs6000_abi): Add ABI_DARWIN.
3538 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3539 (RS6000_SAVE_AREA): Ditto.
3540 (FP_ARG_MAX_REG): Ditto.
3541 (RETURN_ADDRESS_OFFSET): Ditto.
3542 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3544 (rs6000_emit_move): Add ABI_DARWIN cases.
3545 (print_operand): Ditto.
3546 (first_reg_to_save): Ditto.
3547 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3548 (debug_stack_info): Ditto.
3549 (rs6000_emit_prologue): Ditto.
3550 (rs6000_emit_epilogue): Ditto.
3551 (output_profiler_hook): Ditto.
3552 (output_function_profiler): Ditto.
3553 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3554 (output_mi_thunk): Add TARGET_MACHO case.
3555 (add_compiler_stub): Ditto.
3556 (output_compiler_stub): Ditto.
3557 (no_previous_def): Ditto.
3558 (output_call): Ditto.
3559 (machopic_output_stub): Ditto.
3560 (rs6000_machopic_legitimize_pic_address): Ditto.
3561 (toc_section): Ditto.
3562 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3563 (macho_high): Ditto.
3566 (load_macho_picbase): Ditto.
3567 (call): Add TARGET_MACHO case to modify function.
3568 (call_value): Ditto.
3569 (call_nonlocal_sysv): Add ABI_DARWIN case.
3570 (call_value_nonlocal_sysv): Ditto.
3571 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3573 (machopic_output_stub): Ditto.
3574 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3576 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3578 * dwarf2out.c (modified_type_die): Don't create new types here.
3579 * tree.h (get_qualified_type): New function.
3580 (build_qualified_type): Adjust comment.
3581 * tree.c (get_qualified_type): New function.
3582 (build_qualified_type): Use it.
3584 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3586 * cpp.texi (-Wtraditional): Update description.
3588 * invoke.texi (-Wtraditional): Likewise.
3590 2001-04-11 Jim Wilson <wilson@redhat.com>
3592 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3593 requires more than 64 bits of alignment.
3595 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3597 * cpplib.c (do_line): Sanity check iff enable checking.
3599 2001-04-11 Richard Henderson <rth@redhat.com>
3601 * Makefile.in (insn-recog.o): Depend on toplev.h.
3602 (insn-emit.o, doloop.o): Likewise.
3603 * genrecog.c, genemit.c: Include toplev.h in generated file.
3604 * doloop.c: Include toplev.h.
3606 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3608 * Makefile.in (gcse.o): Depend on params.h.
3609 * gcse.c: Include params.h.
3610 (gcse_main): Don't do GCSE if doing so will take inordinate
3612 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3613 * params.h (MAX_GCSE_MEMORY): New macro.
3615 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3617 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3619 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3621 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3623 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3625 * real.h (ereal_atof, real_value_truncate, target_isnan,
3626 target_isinf, target_negative, assemble_real, debug_real): Delete
3627 redundant prototypes.
3629 * Makefile.in (ifcvt.o): Depend on toplev.h.
3631 * c-semantics.c: Include expr.h.
3633 * ifcvt.c: Include toplev.h.
3635 * expr.h (rtx_equal_p): Delete prototype.
3637 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3638 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3639 eliminate_constant_term, expand_complex_abs, find_single_use,
3640 make_tree, init_expr_once, init_optabs, supports_one_only):
3643 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3644 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3645 expand_assignment, store_expr, emit_line_note_after,
3646 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3648 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3650 * sparc-protos.h: Delete redundant prototypes.
3652 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3654 * reload.c (push_reload): Add condition missed in SUBREG byte
3657 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3659 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3661 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3663 * i386.md (floatsisf_sse): Fix output template
3664 * i386.c (ix86_expand_fp_movcc)
3666 * reg-stack.c (emit_pop_insn): Handle complex modes.
3667 (move_for_stack_reg): Emit proper move mode.
3668 (subst_stack_regs_pat): Handle complex modes.
3670 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3672 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3674 2001-04-10 Richard Henderson <rth@redhat.com>
3676 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3677 (__pure_virtual, __terminate, __terminate_set_func,
3678 __default_terminate, __throw_type_match, __empty,
3679 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3680 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3681 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3682 Remove prototypes of deleted functions.
3684 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3686 * c-typeck.c (convert_arguments): -Wtraditional now activates
3687 -Wconversion warnings, except for changes in signed-ness.
3688 Detect complex<->int & int<->complex conversions as well.
3690 * invoke.texi (-Wtraditional): Document it.
3692 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3694 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3695 * flow.c (set_block_for_new_insns): Remove needless cast and
3696 properly check for unset block number.
3698 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3700 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3701 the subreg was a hard register. Pseudos are left as subregs.
3703 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3705 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3706 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3707 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3708 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3709 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3711 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3713 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3715 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3717 * output.h (set_block_num): Missed it earlier, remove deprecated
3720 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3722 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3723 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3724 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3725 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3726 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3727 (expr_killed_p): Change bb parameter from int to basic_block, pass
3728 basic_blocks instead of ints as parameters.
3729 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3730 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3731 from int to basic_block, pass basic_blocks instead of ints as parms.
3732 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3733 parameter from int to basic_block, pass basic_blocks instead of ints.
3734 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3735 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3736 pass basic_blocks instead of ints.
3737 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3738 basic_blocks instead of ints as parameters.
3739 (pre_delete): Pass basic_blocks instead of ints as parameters.
3740 (hoist_expr_reaches_here_p): Change bb parameter from int to
3741 basic_block, pass basic_blocks instead of ints.
3742 (hoist_code): Pass basic_blocks instead of ints as parameters.
3743 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3744 Change bb parameter from int to basic_block.
3745 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3746 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3747 pass basic_blocks instead of ints.
3748 (insert_store): Pass basic_blocks instead of ints as parameters.
3749 (replace_store_insn, delete_store): Change bb parameter from int to
3750 basic_block, pass basic_blocks instead of ints.
3751 (store_motion): Pass basic_blocks instead of ints as parameters.
3753 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3755 * basic-block.h (set_new_block_for_insns): New Prototype.
3756 (set_block_num): Delete prototype.
3757 * flow.c (set_block_num): Remove obsolete function.
3758 (set_block_for_new_insns): Set BB for single or multiple insns.
3759 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3760 (process_insn_end_bb): Use set_block_for_new_insns or
3761 set_block_for_insn instead of set_block_num.
3762 (pre_insert_copy_insn): Use set_block_for_new_insns.
3763 (update_ld_motion_stores): Use set_block_for_new_insns.
3764 (insert_insn_start_bb): Use set_block_for_new_insns.
3765 (replace_store_insn): Use set_block_for_new_insns.
3767 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3768 Jeff Law <law@redhat.com>
3770 * alias.c (get_addr): Externalize.
3771 (canon_true_dependence): New function. Behaves like true_dependance
3772 except it already assumes a MEM has been canonicalized.
3773 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3774 * gcse.c (struct ls_expr): Add load/store expressions structure.
3775 (modify_mem_list, canon_modify_mem_list): New variable.
3776 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3777 load motion and store motion if requested.
3778 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3779 (free_gcse_mem): Free the modify_mem_list array.
3780 (oprs_unchanged_p): Use load_killed_in_block_p.
3781 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3782 (mems_conflict_for_gcse_p): New function. Don't kill loads
3783 with stores to themselves if its in the load/store expression list.
3784 (load_killed_in_block_p): New function.
3785 (canon_list_insert): New Function.
3786 (record_last_mem_set_info): Keep a list of all instructions which
3787 can modify memory for each basic block.
3788 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3789 (oprs_not_set_p): Use load_killed_in_block_p.
3790 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3791 (expr_killed_p): Use load_killed_in_block_p.
3792 (compute_transp): Do not pessimize memory references.
3793 (pre_edge_insert): Update stores for a load motion expression.
3794 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3795 (ldst_entry): Find or create a ldst_expr structure.
3796 (free_ldst_entry): Free memory for an individual item.
3797 (free_ldst_mems): Free entire load/store expression list.
3798 (print_ldst_list): Print debug info.
3799 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3800 (enumerate_ldsts): Assign integer values to each entry in list.
3801 (first_ls_expr): First expression in the list.
3802 (next_ls_expr): Next expression in the list.
3803 (simple_mem): Check if expression qualifies for ld/st expression list.
3804 (invalidate_any_buried_refs): Remove from expression list if its
3805 used in some other way we dont understand.
3806 (compute_ld_motion_mems): Find all potential enhanced load motion
3808 (trim_ld_motion_mems): Remove any expressions which are invalid.
3809 (update_ld_motion_stores): Copy store values to registers for loads
3810 which have been moved.
3811 (regvec, st_antloc, num_store): New global statics.
3812 (reg_set_info): Marks registers as set.
3813 (store_ops_ok): Verfies registers expressions are valid in a block.
3814 (find_moveable_store): Look for moveable stores in a pattern.
3815 (compute_store_table): Find stores in a function worth moving, maybe.
3816 (load_kills_store): Check dependance of a load and store.
3817 (find_loads): Find any loads in a pattern.
3818 (store_killed_in_insn): Check if a store is killed in an insn.
3819 (store_killed_after): Check is store killed after an insn in a block.
3820 (store_killed_before): Check is store killed before an insn in a block.
3821 (build_store_vectors): Generate the antic and avail vectors.
3822 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3823 (insert_store): Add a store to an edge.
3824 (replace_store_insn): Replace a store with a SET insn.
3825 (delete_store): Delete a store insn.
3826 (free_store_memory): Free memory.
3827 (store_motion): Perform store motion.
3828 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3829 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3830 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3831 (f_options): Add gcse-lm and gcse-sm.
3833 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3835 * i386.c (expand_fp_movcc): Fix condition reversal code.
3837 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3838 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3839 (CLASS_MAX_NREGS): Use it.
3841 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3842 handle properly complex values.
3843 (CLASS_MAX_NREGS): Likewise; update comment.
3845 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3847 * ia64.c (ia64_flag_schedule_insns2): New variable.
3848 (ia64_override_options): Initialize it. Clear
3849 flag_schedule_insns_after_reload.
3850 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3852 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3854 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3855 Do not require source to match destination anymore;
3856 Add abort to the nontrivial cases that should be handled by split.
3857 (fix_trunc?fdi): Add SSE case for x86_64.
3858 (floatdi?f): Likewise.
3859 (floatdi?f_sse): New.
3860 (fix_trunc?fdi_sse): New.
3862 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3864 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3865 (DEBUG_ARANGES_END_LABEL): Ditto.
3866 (dwarfout_init): Generate length and version fields at the start
3867 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3868 after the length field.
3869 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3870 the .debug_aranges info.
3872 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3874 * i386.c (call, call_value): Make sure that resulting call_insn
3875 does have proper second operand.
3877 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3879 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3880 function. Remove include of sys/cygwin.h.
3882 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3884 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3885 (CPP_SPEC): Always search */include/w32api for header files.
3886 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3887 (LINK_SPEC): Add "cyg" to the library search prefixes.
3889 2001-04-08 Philip Blundell <philb@gnu.org>
3891 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3893 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3895 * cpperror.c (print_location): Don't special case <stdin>.
3896 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3897 WARNING, but we don't check if we're in system headers.
3898 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3899 * cpplib.c (do_warning): Warn in system headers.
3901 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3903 * mbchar.c: Include config.h first.
3905 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3907 * config.gcc: Set default for xmake_file at top, not bottom.
3908 Change places that set xmake_file to "none" to set to the
3909 empty string instead, or remove them entirely if there is no
3910 default xmake_file for this cpu_type. Remove references to
3913 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3914 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3915 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3916 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3917 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3918 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3919 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3920 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3921 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3922 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3925 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3926 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3927 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3928 config/mips/x-sysv, config/rs6000/x-aix31:
3929 Just set CLIB to -lld or -lmld, as appropriate.
3931 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3932 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3933 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3934 config/mips/x-iris, config/pa/x-pa:
3935 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3936 OTHER_FIXINCLUDES_DIRS.
3938 * config/i386/x-djgpp: Don't set LN or LN_S.
3939 * config/m88k/x-dolph: Don't define __m88k__.
3940 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3941 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3942 * config/i860/fx2800.h: No need to #undef SVR4.
3944 38 x-host fragments remain, 2 x-cpu.
3946 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3948 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3950 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3952 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3954 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3956 * configure.in: Add check for lstat.
3957 * configure, config.in: Regenerate.
3958 * cppinit.c (append_include_chain): Make empty path ".".
3959 * cpplib.c (do_line): Don't simplify #line paths.
3960 * cppfiles.c (remove_component_p): New function.
3961 (find_or_create_entry): Acknowledge stat () errors during
3962 path simplification.
3963 (handle_missing_header): Don't simplify paths.
3964 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3965 the empty path untouched. Don't leave a trailing '/'.
3967 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3969 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3970 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3972 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * cppfiles.c (open_file): Fail directories silently, but
3975 with an errno of NOENT set.
3976 (read_include_file): Move the common exit code to the sole
3977 caller. Return an int indicating success or failure. Let
3978 open_file handle directories.
3979 (stack_include_file): If read_include_file fails,
3980 push a "null" buffer.
3982 2001-04-05 DJ Delorie <dj@redhat.com>
3984 * function.h (virtuals_instantiated): Declare.
3985 * function.c: (virtuals_instantiated): Make global.
3986 * calls.c (emit_library_call_value_1): Use
3987 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3988 Otherwise, use the stack pointer directly.
3990 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3992 * i386.c (x86_initialize_trampoline): New global function.
3993 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3994 (INITIALIZE_TRAMPOLINE): Move offline.
3995 * i386-protos.h (x86_initialize_trampoline): Declare.
3997 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3999 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4000 (lea_0): Rename to lea_1.
4001 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4002 (lea_general_?): Allow SImodes on TARGET_64BIT
4003 (lea_general_?_zext): New patterns.
4004 (call_1, call_1_rex64): Fix.
4006 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4008 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4010 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4012 * i386.c (function_arg): Return constm1_rtx for last argument.
4013 (ix86_expand_prologue): Update gen_call calls.
4014 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4015 * i386.md (call_pop): Likewise.
4016 (call): Second operand is VOIDmode.
4017 (call_0): Likewise; Support 64bits.
4018 (call_exp): New expander.
4019 (call_1): Get to the sync.
4020 (call_1_exp): New pattern.
4021 (call_value): Support 64bit.
4022 (call_value_exp): New pattern.
4023 (untyped_call): Update gen_call call.
4024 (call_value_pop): Disable for 64bit.
4025 (call_value_0_rex64): New pattern.
4026 (call_value_1_rex64): Likewise.
4028 2001-04-05 Bo Thorsen <bo@suse.de>
4030 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4032 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4034 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4035 satisfies ANY_QI_REG_P.
4037 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4039 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4042 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4045 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4047 * config.gcc: Remove default for xm_file. Clean up local
4048 machine type handling. Remove settings of xm_file to
4049 something that doesn't exist. In the big switch, set xm_file,
4050 don't append to it (the value before the big switch is always
4051 null). Don't force build_xm_file or host_xm_file to have a value.
4052 * configure.in: Remove default for xm_file. Do not special
4053 case $cpu/xm-$cpu.h not existing.
4054 * configure: Regenerate.
4056 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4058 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4059 when folding integer division and modulo operations.
4061 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4063 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4064 instead of DWARF2_ADDR_SIZE for EH addresses.
4065 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4068 2001-04-04 Richard Henderson <rth@redhat.com>
4070 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4071 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4072 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4074 2001-04-04 Richard Henderson <rth@redhat.com>
4076 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4077 * configure: Rebuilt.
4079 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4081 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4082 push insns to delete to it instead of deleting them.
4083 (delete_null_pointer_checks): Delete insns from delete_list after
4084 all delete_null_pointer_checks_1 passes are done.
4086 2001-04-04 Richard Henderson <rth@redhat.com>
4088 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4089 * configure: Rebuilt.
4091 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4093 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4094 * config/romp/xm-romp.h: Delete.
4096 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4098 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4101 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4103 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4104 all labels present in rtx.
4105 (try_split) Call new function for all split insns.
4107 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4109 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4110 sure the change won't be validated.
4112 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4114 * rtl.h (set_noop_p): Declare.
4115 * flow.c (set_noop_p): Move from here ...
4116 * rtlanal.c (set_noop_p): ... to here and enhance.
4117 * cse.c (delete_trivially_dead_insns): Use it.
4118 * gcse.c (hash_scan_set): Likewise.
4119 * jump.c (delete_noop_moves): Likewise.
4120 * recog.c (split_all_insns): Likewise.
4122 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4124 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4125 stack pointer via a LO_SUM. Ditto for setting a temp register
4126 used to save to the stack. Set cfa_temp when setting fp, and
4127 allow matches to cfa_temp in addition to cfa_store when saving
4128 regs. Handle POST_INC and LO_SUM register stores. Document the
4129 changes and errors in rule 12 doco.
4131 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4132 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4133 (load_reg): Move closer to epilogue code.
4134 (DO_FRAME_NOTES): Define to control the following..
4135 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4136 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4138 (hppa_expand_epilogue): Likewise.
4140 2001-04-03 Richard Henderson <rth@redhat.com>
4142 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4143 * configure: Rebuild.
4145 2001-04-03 Richard Henderson <rth@redhat.com>
4147 * rtl.h (LCT_THROW): New.
4148 * calls.c (emit_library_call_value_1): Handle it.
4149 * except.c (connect_post_landing_pads): Use it.
4151 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4153 * gansidecl.h: Delete file.
4154 * configure.in: Change all refs to gansidecl.h to use
4155 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4157 * configure: Regenerate.
4159 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4160 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4161 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4162 Don't include gansidecl.h.
4163 * intl.c, main.c, version.c, fixinc/fixlib.h,
4164 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4167 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4169 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4172 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4174 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4175 config/i386/xm-next.h, config/i386/xm-sco.h,
4176 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4177 config/m88k/xm-m88k.h: Delete.
4179 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4180 * config/romp/xm-romp.h: Don't define bcopy.
4181 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4182 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4184 * config.gcc: Remove references to deleted files.
4186 14 xm-host.h remain, 1 xm-cpu.h.
4188 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4189 David S. Miller <davem@pierdol.cobaltmicro.com>
4190 Andrew MacLeod <amacleod@redhat.com>
4192 Use byte offsets in SUBREGs instead of words.
4194 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4195 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4196 to pass new argument.
4197 (add_stored_regs): Use subreg_regno_offset function.
4198 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4200 (precompute_arguments): Use gen_lowpart_SUBREG.
4201 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4202 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4203 (simplify_set): Rework to use SUBREG_BYTE.
4204 (expand_field_assignment): Use SUBREG_BYTE.
4205 (make_extraction): Use SUBREG_BYTE.
4206 (if_then_else_cond): Use SUBREG_BYTE.
4207 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4208 (gen_lowpart_for_combine): Compute full byte offset.
4209 * cse.c (mention_regs): Use SUBREG_BYTE.
4210 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4211 (canon_hash): Use SUBREG_BYTE.
4212 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4213 (gen_lowpart_if_possible): Formatting.
4214 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4216 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4217 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4218 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4219 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4220 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4221 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4222 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4223 certain invariants about SUBREGs the compiler creates.
4224 (gen_lowpart_SUBREG): New function.
4225 (subreg_hard_regno): New function to get the final register number.
4226 (gen_lowpart_common): Use SUBREG_BYTE.
4227 (gen_imagpart): Spacing nits.
4228 (subreg_realpart_p): Use SUBREG_BYTE.
4229 (gen_highpart): Use SUBREG_BYTE.
4230 (subreg_lowpart_p): Always compute endian corrected goal offset,
4231 even at the byte level, then compare against that.
4232 (constant_subword): New function, pulled out all constant cases
4233 from operand_subword and changed second argument name to offset.
4234 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4235 and call constant_subword to do the work. Return const0_rtx if
4236 looking for a word outside of OP.
4237 (operand_subword_force): Change second arg name to offset.
4238 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4239 (store_split_bit_field): Use SUBREG_BYTE.
4240 (extract_bit_field): Use SUBREG_BYTE.
4241 (extract_split_bit_field): Use SUBREG_BYTE.
4242 (expand_shift): Use SUBREG_BYTE.
4243 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4244 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4245 * flow.c (set_noop_p): Use SUBREG_BYTE.
4246 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4247 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4248 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4250 (optimize_bit_field): Use SUBREG_BYTE.
4251 (purge_addressof_1): Use SUBREG_BYTE.
4252 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4253 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4254 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4255 * gengenrtl.c (special_rtx): Add SUBREG.
4256 * global.c (mark_reg_store): Use SUBREG_BYTE.
4257 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4258 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4259 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4260 final byte offset is congruent to subreg's mode size.
4261 (subst_constants): Use SUBREG_BYTE.
4262 (mark_stores): Use subreg_regno_offset function.
4263 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4264 function and SUBREG_BYTE.
4265 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4266 (reg_is_born): Use subreg_hard_regno.
4267 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4268 endian correction code. Don't combine subregs unless resulting
4269 offset aligns with type. Fix subreg constant extraction for DImode.
4270 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4271 (general_operand): Remove dead mode_altering_drug code.
4272 (indirect_operand): Use SUBREG_BYTE.
4273 (constrain_operands): Use subreg_regno_offset function.
4274 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4275 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4276 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4277 * regs.h (REG_SIZE): Allow target to override.
4278 (REGMODE_NATURAL_SIZE): New macro which target can override.
4279 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4280 on the entire subreg rtx.
4281 (push_reload): Use SUBREG_BYTE in comments and code.
4282 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4283 for hard registers inside subregs.
4284 (operands_match_p): Use subreg_regno_offset.
4285 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4286 containing hard regs.
4287 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4288 corrections when fixing up MEM subregs.
4289 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4290 subreg_regno_offset where appropriate.
4291 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4292 byte endian corrections when fixing up MEM subregs.
4293 (subst_reloads): When combining two subregs, make sure final
4294 offset is congruent to subreg's mode size.
4295 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4296 (refers_to_regno_for_reload_p): Use subreg_regno.
4297 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4298 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4299 correction code for memory subreg fixups.
4300 (forget_old_reload_1): Use subreg_regno_offset.
4301 (choose_reload_regs): Use subreg_regno.
4302 (emit_input_reload_insns): Use SUBREG_BYTE.
4303 (reload_combine_note_store): Use subreg_regno_offset.
4304 (move2add_note_store): Use subreg_regno_offset.
4305 * resource.c (update_live_status, mark_referenced_resources): Use
4306 subreg_regno function.
4307 (mark_set_resources): Use subreg_regno function.
4308 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4309 (subreg_regno_offset, subreg_regno): Define prototypes.
4310 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4311 (gen_lowpart_SUBREG): Add prototype.
4312 * rtl.texi (subreg): Update to reflect new byte offset representation.
4313 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4314 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4315 (reg_overlap_mentioned_p): Use subreg_regno.
4316 (replace_regs); Make sure final offset of combined subreg is
4317 congruent to size of subreg's mode.
4318 (subreg_regno_offset): New function.
4319 (subreg_regno): New function.
4320 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4321 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4322 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4323 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4324 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4325 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4326 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4327 (print_operand): Use SUBREG_BYTE.
4328 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4329 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4330 (arm_reload_out_hi): Use SUBREG_BYTE.
4331 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4332 instead of SUBREG_WORD.
4333 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4334 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4335 SUBREG creation to use byte offset.
4336 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4337 inverted load insns): Fix explicit rtl subregs to use byte
4339 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4340 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4341 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4342 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4343 to use byte offsets.
4344 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4345 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4346 offsets, also make sure it is congruent to SUBREG's mode size.
4347 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4348 unnamed ldob insn): Generate SUBREGs with byte offset.
4349 (zero_extendqihi2): SUBREG's are byte offsets.
4350 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4351 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4352 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4353 zero-extendqisi2): Generate SUBREGs with byte offset.
4354 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4355 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4356 subregs in rtl to use byte offsets.
4357 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4358 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4359 (mips_move_2words): Use subreg_regno_offset.
4360 (mips_secondary_reload_class): Use subreg_regno_offset.
4361 * config/mips/mips.md (DImode plus, minus, move, and logical op
4362 splits): Fixup explicit subregs in rtl to use byte offsets.
4363 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4364 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4365 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4366 rtl to use byte offsets.
4367 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4368 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4369 subregs to use byte offsets.
4370 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4371 Fixup explicit subregs in rtl to use byte offsets.
4372 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4373 and remove byte endian correction code.
4374 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4375 (gen_ashift_hi): Use SUBREG_BYTE.
4376 (regs_used): Use subreg_regno_offset.
4377 (machine_dependent_reorg): Use subreg_regno_offset.
4378 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4379 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4380 (movdf_i4): Subregs are byte offsets now.
4381 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4382 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4383 (REGMODE_NATURAL_SIZE): Override.
4384 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4385 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4387 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4388 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4389 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4390 it is congruent to SUBREG's mode size.
4391 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4393 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4394 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4395 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4396 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4397 * config/v850/v850.c (print_operand, output_move_double): Use
4398 subreg_regno function.
4400 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4402 * configure.in (target_subdir): Use target_alias, not target.
4403 * configure: Rebuilt.
4405 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4407 * config/sh/crti.asm: Fix typos in comments.
4409 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4411 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4412 TARGET_FAST_INDIRECT_CALLS.
4413 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4415 (return_addr_rtx): Short circuit export stub matching when
4416 TARGET_NO_SPACE_REGS.
4417 (output_millicode_call): For out of range calls, make -fPIC
4418 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4419 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4420 * pa.md: Modify length attr calculation of all millicode insns to
4423 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4425 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4426 Require at least 2.11 in the version test. Specifically check
4427 for and reject GAS version 2.10.90.
4428 * configure: regenerate.
4430 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4432 * pa.c (override_options): Remove PIC profiling warning.
4433 (hp_profile_labelno): Delete.
4434 (hp_profile_label_rtx): Delete.
4435 (hp_profile_label_name): Delete.
4436 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4437 (output_function_prologue): Remove profiling code and all tests on
4438 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4439 merge_sp_adjust_with_store can work for PIC and profiling.
4440 (hppa_expand_epilogue): Remove profile_flag test.
4441 (hppa_can_use_return_insn_p): Likewise.
4442 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4443 cater for PROFILE_HOOK.
4444 (hppa_profile_hook): New function.
4445 * pa.h (FUNCTION_PROFILER): Now does nothing.
4446 (PROFILE_HOOK): Define.
4447 (hppa_profile_hook): Declare.
4448 (PROFILE_BEFORE_PROLOGUE): Delete.
4449 (ASM_OUTPUT_REG_PUSH): Delete.
4450 (ASM_OUTPUT_REG_POP): Delete.
4451 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4452 r24. Accept function name operand, and use this and a locally
4453 generated label to calculate pc-rel offset to func start.
4455 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4457 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4458 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4461 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4463 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4464 LO_SUM cases to where they belong.
4466 2001-04-02 Richard Henderson <rth@redhat.com>
4468 * except.h (lang_eh_type_covers): Mark extern.
4469 (lang_eh_runtime_type): Likewise.
4471 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4473 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4474 gengenrtl.c: Wrap generated header in multiple-include guard.
4475 Improve error checking.
4477 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4479 * configure.in: Don't check for putenv.
4480 * configure: Regenerate.
4481 * gcc.c (putenv): Don't define.
4482 * vax/xm-vms.h: Handle putenv.
4484 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4486 * ifcvt.c (noce_emit_move_insn): New.
4487 (noce_try_store_flag, noce_try_store_flag_constants,
4488 noce_try_store_flag_inc, noce_try_store_flag_mask,
4489 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4490 noce_try_abs): Use it.
4491 (noce_process_if_block): Likewise.
4492 For STRICT_LOW_PART, take mode from its SUBREG.
4494 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4496 * fold-const.c (fold): Before optimizing unsigned comparison with
4497 0x7fffffffU, make sure arg0 is integral type.
4499 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4501 * c-tree.texi: Document representation of wide strings.
4503 2001-04-01 Richard Henderson <rth@redhat.com>
4505 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4507 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4509 * i386.md: remove obsoleted comments.
4510 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4511 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4512 fix output template.
4514 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4516 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4518 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4520 * loop.c (load_mems): When generating a load from a pseudo, update
4523 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4525 * i386.c (ix86_split_long_move): Use change address to compensate
4526 stack pointer change in push instruction.
4528 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4530 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4531 instead of rtx_equal_p; fix the output template.
4533 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4535 * i386.c (ix86_expand_setcc): Support 64bit.
4536 (ix86_expand_int_movcc): Likewise.
4537 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4540 * i386.md (allocate_stack_worker): Turn to expander.
4541 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4543 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4545 2001-03-29 Richard Henderson <rth@redhat.com>
4547 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4549 2001-03-28 Matthew Hiller <hiller@redhat.com>
4551 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4554 * MAINTAINERS: Added self.
4556 2001-03-28 Richard Henderson <rth@redhat.com>
4558 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4559 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4561 2001-03-28 Jim Wilson <wilson@redhat.com>
4563 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4566 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4568 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4570 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4573 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4575 2001-03-28 DJ Delorie <dj@redhat.com>
4577 * Makefile.in (stage1_build): Revert CFLAGS patch.
4579 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4581 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4582 when multiplier or multiplicand is zero.
4584 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4586 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4588 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4590 (set_src_needs_barrier): Likewise.
4591 (rtx_needs_barrier): For SET case, use these two functions. Rework
4592 PARALLEL case to handle all inputs before all outputs.
4593 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4594 saw a label and no stop bit since then.
4595 (maybe_rotate, process_epilogue): Add prototypes.
4597 2001-03-28 Richard Henderson <rth@redhat.com>
4599 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4600 not TARGET_TOC for special toc restore handling.
4601 * config/rs6000/rs6000.md (eh_return): Likewise.
4603 2001-03-28 Richard Henderson <rth@redhat.com>
4605 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4606 current_function_calls_eh_return.
4607 (output_function_epilogue): Handle eh_return.
4608 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4609 (EH_RETURN_DATA_REGNO): New.
4610 (EH_RETURN_STACKADJ_RTX): New.
4611 (EH_RETURN_HANDLER_RTX): New.
4612 * config/sparc/sparc.md (call/short branch peepholes): Check
4613 can_throw_internal instead of in_same_eh_region.
4615 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4616 for eh_return data registers.
4617 (rs6000_emit_prologue): Save eh_return data registers.
4618 (rs6000_emit_epilogue): Force inline restores if eh_return.
4619 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4620 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4621 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4622 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4623 the target uses one.
4624 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4625 (return_eh_si, return_eh_di): Remove.
4626 (eh_return): New, from corpse of eh_epilogue.
4627 (eh_set_lr_si, eh_set_lr_di): New.
4629 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4630 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4631 True for pic register if current_function_calls_eh_return.
4632 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4633 Handle eh_return requirements.
4634 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4635 (EH_RETURN_STACKADJ_RTX): New.
4636 * config/i386/i386.md (exception_receiver): Remove.
4637 (eh_return, eh_return_1): New.
4638 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4640 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4641 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4642 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4643 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4644 (EH_RETURN_DATA_REGNO): New.
4645 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4646 * config/alpha/alpha.md (eh_epilogue): Remove.
4647 (exception_receiver): Use $26 for ldgp input.
4648 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4650 2001-03-28 Richard Henderson <rth@redhat.com>
4652 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4653 * except.h: Likewise.
4655 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4656 (LIB2ADDEHDEP): New.
4657 (LIB2FUNCS_EH): Remove.
4658 (LIB2ADD): Remove LIB2ADDEH.
4659 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4660 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4661 (crt{begin,end}[S].o): Likewise.
4662 (except.o): Update includes.
4663 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4664 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4666 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4667 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4668 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4669 * builtins.c (expand_builtin): Implement it.
4670 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4671 * c-common.c (c_common_nodes_and_builtins): Declare it.
4672 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4673 * calls.c (libfunc_nothrow): Remove.
4674 (emit_library_call_value_1): Don't call it.
4675 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4676 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4677 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4678 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4679 (current_funcdef_number): Globalize.
4680 (output_call_frame_info): Emit frame data if an lsda is needed.
4681 Generate augmentation for personality routine. Don't play with
4683 (dwarf2out_begin_prologue): Record funcdef_number.
4684 * dwarf2out.h (current_funcdef_number): Declare.
4685 * expr.c (expand_expr): Update for except.h name changes.
4686 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4687 * expr.h (LTI_throw, LTI_rethrow): Remove.
4688 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4689 (LTI_eh_rtime_match): Remove.
4690 (LTI_unwind_resume, LTI_eh_personality): Add.
4691 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4692 * final.c (final): Don't call check_exception_handler_labels,
4693 init_insn_eh_region, or free_insn_eh_region.
4694 (final_scan_insn): Always emit debug labels for
4695 NOTE_INSN_EH_REGION notes.
4696 * flags.h (flag_new_exceptions): Remove.
4697 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4698 (record_active_eh_regions): Remove.
4699 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4700 Use can_throw_internal.
4701 (find_basic_blocks_1): Likewise.
4702 (move_stray_eh_region_notes): Remove.
4703 (find_label_refs): No eh_return_stub_label.
4704 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4705 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4707 (delete_unreachable_blocks): Don't track deleted handlers.
4708 (flow_delete_block): Use maybe_remove_eh_handler.
4709 (delete_eh_regions): Remove.
4710 (merge_blocks): Don't check for eh region match.
4711 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4712 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4713 (init_propagate_block_info): Disable dead frame store optimization
4714 when current_function_calls_eh_return.
4715 (dump_bb): Don't print eh_beg, eh_end.
4716 * function.c (fixup_var_refs): No catch_clauses.
4717 (expand_function_end): Likewise. Call expand_eh_return before
4718 the return register use. Call sjlj_emit_function_exit_after.
4719 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4720 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4721 * ifcvt.c (dead_or_predicable): Remove eh region check.
4722 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4723 Don't check for EH vs parameters.
4724 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4725 (expand_inline_function): Call duplicate_eh_regions.
4726 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4727 (copy_insn_notes): Remap REG_EH_REGION notes.
4728 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4729 * integrate.h (struct inline_remap): Add local_return_label.
4730 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4731 check_exception_handler_labels, nor exception_optimize.
4732 (find_cross_jump): No EH region check.
4733 * optabs.c (init_optabs): Update for changed eh libfuncs.
4734 * rtl.def (RESX): New.
4735 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4736 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4737 checks. Update for except.h name changes.
4738 (expand_cleanups): Likewise.
4739 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4740 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4741 (compile_file): Call init_eh before init_optabs. Don't
4742 output_exception_table here.
4743 (rest_of_compilation): Call convert_from_eh_region_ranges,
4744 convert_to_eh_region_ranges, output_function_exception_table.
4745 Don't emit_eh_context.
4746 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4747 (EXC_PTR_EXPR): New.
4749 * md.texi (eh_epilogue): Remove.
4750 (eh_return): Document.
4751 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4752 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4754 * eh-common.h: Remove file.
4755 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4756 * libgcc2.c (L_eh): Remove.
4758 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4759 * unwind-dw2-fde.h: New file.
4760 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4761 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4762 * libgcc-std.ver: Update for eh symbols.
4764 2001-03-27 Richard Henderson <rth@redhat.com>
4766 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4767 reduce false positives.
4768 (regmove_optimize): Disable if flag_non_call_exceptions.
4770 * stmt.c (expand_return): Remove always true predicate.
4771 (expand_decl_cleanup_no_eh): Remove dead code.
4773 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4774 barrier code. Add a scheduling barrier if a non-call insn
4775 can throw internally.
4777 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4778 Auto-inc addresses trap only if their base register does.
4780 * except.c (can_throw_internal): Rename from can_throw.
4781 * except.h, resource.c: Update references.
4783 * integrate.c (copy_insn_list): Use returnjump_p.
4784 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4786 * function.h (struct function): Move all boolean valued fields
4787 to single bit fields at the end of the struct.
4789 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4791 Rename asynchronous_exceptions to flag_non_call_exceptions.
4793 * gthr-single.h (UNUSED): New. Distinguish between how C
4794 and C++ mark unused function arguments. Use throughout.
4796 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4797 value to target configuration header.
4798 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4799 * config.in, configure: Rebuild.
4800 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4801 configuration and target defines.
4802 (exceptions_via_longjmp): Remove.
4803 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4804 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4806 * except.h (flag_non_call_exceptions): Move ...
4807 * flags.h: ... here.
4809 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4810 exceptions, put the note on the trapping instruction.
4812 * flags.h (flag_new_exceptions): Remove.
4813 * toplev.c: Don't set it.
4814 * final.c: Don't check it.
4815 * except.c: Provide stub definition.
4817 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4818 (calculate_global_regs_live): Kill call-clobbered registers
4819 across exception edges.
4820 * reg-stack.c (convert_regs_1): Kill the entire target stack
4821 across non-call exception edges.
4823 * flow.c (cleanup_cfg): Take no argument.
4824 * output.h, sibcall.c, toplev.c: Update all calls.
4826 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4828 * configure.in: Don't check for bcopy.
4829 * configure, config.in: Regenerate.
4831 * system.h: Don't define or prototype bcopy, instead poison it.
4833 2001-03-27 Richard Henderson <rth@redhat.com>
4835 * function.c (expand_function_start): Set DECL_REGISTER on
4836 a pseudo used for DECL_RESULT.
4838 * rtl.h (LCT_NORETURN): New.
4839 * calls.c (emit_library_call_value_1): Handle it.
4841 2001-03-27 Stan Shebs <shebs@apple.com>
4843 * objc/objc-act.c (objc_init): Use dump_base_name.
4844 (gen_declaration): Clear the buffer arg.
4845 (gen_declaration_1): New function, body of gen_declaration.
4846 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4847 (gen_method_decl): Ditto, plus always clear buffer arg.
4848 (error_with_ivar): Simplify.
4849 (warn_with_method): Ditto.
4850 (build_message_expr): Don't clear buffers.
4851 (dump_interface): Ditto.
4852 (objc_debug): Ditto.
4853 (build_keyword_selector): Clear the buffer by only zeroing
4855 (objc_implementation_context): Declare.
4856 (start_class): Warn about missing @end.
4857 (finish_objc): Ditto.
4859 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4861 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4863 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * Makefile.in (SYSTEM_H): Define.
4866 Depend on $(SYSTEM_H), not system.h.
4868 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4870 2001-03-27 Jim Wilson <wilson@redhat.com>
4872 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4874 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4875 (process_epilogue): New static function.
4876 (process_set): Call process_epilogue instead of emitting .restore
4878 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4880 * flow.c (struct reg_cond_life_info): New fields orig_condition
4882 (init_propagate_block_info): Set new fields.
4883 (mark_regno_cond_dead): Set and use new fields.
4884 (flush_reg_cond_reg_1): Likewise.
4885 (and_reg_cond, case AND): Check for redundant AND conditions.
4886 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4889 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4891 * cppmacro.c (stringify_arg): Null terminate strings.
4893 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4895 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4896 inclusion style. xm-m68hc11.h no longer exists.
4897 * config/m68hc11/xm-m68hc11.h: Delete file.
4898 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4900 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4901 Don't define GCC_VERSION, N_, or PARAMS; don't include
4902 gansidecl.h or stdio.h. Define inhibit_libc here.
4903 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4904 Delete code conditioned on #if GCC_VERSION == 2095.
4906 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4907 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4908 Delete code conditioned on #if GCC_VERSION == 2095.
4910 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4912 * system.h: Include symcat.h.
4913 (STRINGIFY): Don't define.
4915 * configure.in: Adjust comment.
4917 * builtins.c: Use STRINGX, not STRINGIFY.
4918 * gencheck.c: Likewise.
4919 * gengenrtl.c: Likewise.
4920 * protoize.c: Likewise.
4922 * cpplex.c: Don't include symcat.h.
4923 * cpplib.c: Likewise.
4925 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4927 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4929 * c-typeck.c (digest_init): Fold init expression.
4931 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4933 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4935 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4937 * except.c (eh_regs): Save results of build_pointer_type to a temp
4938 as FUNCTION_VALUE macro may evaluate its args multiple times.
4940 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4942 * c-common.h (DECL_NUM_STMTS): New macro.
4943 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4945 (pushdecl): Likewise.
4946 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4947 * integrate.c (expand_inline_function): Don't check
4949 * print-tree.c (print_node): Don't print it.
4950 * toplev.c (rest_of_compilation): Don't try to inline when
4951 flag_no_inline is on.
4952 * tree.h (DECL_FRAME_SIZE): Remove.
4953 (tree_decl): Adjust accordingly.
4955 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4957 * combine.c (try_combine): Use memcpy, not bcopy.
4959 * genattrtab.c (expand_units): Likewise.
4961 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4963 * i386.md (push mem DI peep2): New.
4964 (mov 0, mov -1 peep2): Handle 64bit.
4965 (lea to arithmetics peep2): Handle 64bit leas.
4966 (rsp arithmetics to push/pop peep2s): New.
4968 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4970 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4972 * i386.c (struct machine_function): Add save_varrargs_registers.
4973 (ix86_save_varrargs_registers): New macro.
4974 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4975 (ix86_expand_prologue): Likewise.
4976 (ix86_emit_epilogue_esp_adjustement): Likewise.
4977 (ix86_expand_epilogue): Likewise.
4978 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4979 (pro_epilogue_adjust_stack_1): New insn.
4980 (pro_epilogue_adjust_stack_rex64): Likewise.
4981 * i386.h (MASK_NO_RED_ZONE): New constant.
4982 (TARGET_RED_ZONE): New macro.
4983 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4984 (RED_ZONE_SIZE): New constant.
4985 (RED_ZONE_RESERVE): New constant.
4987 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4989 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4991 2001-03-25 Kazu Hirata <kazu@hxi.com>
4993 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4996 (umodhi3): Likewise.
4999 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5001 * mkconfig.sh (DEFINES): Handle entries with '='.
5003 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5004 Set xm_defines to MACRO=value instead.
5006 * i370/xm-mvs.h: Delete.
5008 * ns32k/xm-pc532-min.h: Likewise.
5010 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5012 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5014 use ix86_expand_binary_operator
5015 (?sh??i_?): Disable for 64bit.
5016 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5017 * i386.c (shiftdi_operand): New predicate.
5019 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5020 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5021 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5022 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5023 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5024 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5025 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5026 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5027 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5028 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5029 (rotldi3, rotrdi3): New expanders.
5031 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5033 * i386.md (movstrsi): Move offline.
5035 (strmovdi_rex64): New.
5036 (strmov?i): Accept 64bit.
5037 (strmov?i_rex64): New.
5038 (strmov?i_rex_1): New.
5039 (strmov?i_1): Disable for 64bit.
5040 (rep_mov?i_rex64): New.
5041 (rep_mov?i): Disable for 64bit.
5042 (clrstrsi): Move offline.
5043 (strset?i_rex64): New.
5044 (strset?i: Accept 64bit.
5045 (rep_stos?i): Disable for 64bit.
5046 (rep_stos?i_rex64): New.
5047 (strset?i_rex_1): New.
5048 (strset?i_1): Disable for 64bit.
5049 (cmpstrsi): Accept 64bit.
5050 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5051 (cmpstrqi_nz_rex_1): New.
5052 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5053 (strlensi): Move offline.
5055 (strlenqi_1): Disable for 64bit; fix constraints.
5056 (strlenqi_rex_1): New.
5057 * i386.c (ix86_adjust_counter): New static function.
5058 (ix86_zero_extend_to_Pmode): Likewise.
5059 (ix86_expand_aligntest): Likweise.
5060 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5061 (ix86_expand_movstr): New global function.
5062 (ix86_expand_clrstr): New global function.
5063 (ix86_expand_strlen): New global function.
5064 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5065 ix86_expand_strlen): Declare.
5066 (ix86_expand_strlensi_unroll_1): Delete.
5068 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5070 * i386.md (cmpdi): Fix operand predicates.
5071 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5072 cmpdi_1_insn_rex64): New patterns.
5073 (adddi3): Turn to expander.
5074 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5075 (addsi3_carry_zext): New pattern.
5076 (adddi_?_rex64): New patterns and splitters.
5077 (addsi_?_zext): New patterns.
5078 (subsi3_carry_zext): New pattern.
5079 (subdi_?_rex64): New patterns and splitters.
5080 (iorsi_?_zext): New patterns.
5081 (iordi_?_rex64): New patterns and splitters.
5082 (iorsi_?_zext): New patterns.
5083 (iorsi_?_zext_imm): New patterns.
5084 (xorsi_?_zext): New patterns.
5085 (xordi_?_rex64): New patterns and splitters.
5086 (xorsi_?_zext): New patterns.
5087 (negdi*): New patterns.
5088 (one_cmpldi*): Likewise.
5089 (one_cmplsi*_zext, negsi*_zext): Likewise.
5090 (testqi_ext_3_rex64): New pattern.
5092 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5094 * i386-protos.h (ix86_split_long_move): Return void.
5095 * i386.c (ix86_split_to_parts): Handle 64bit target.
5096 (ix86_split_long_move): Likewise.
5097 * i386.md (all calls to ix86_split_long_move): Update.
5099 2001-03-23 Richard Henderson <rth@redhat.com>
5101 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5102 to avoid shadowing arguments.
5104 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5106 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5107 to variable names where DECL_NAME is different from
5108 DECL_ASSEMBLER_NAME.
5110 2001-03-23 Jim Wilson <wilson@redhat.com>
5112 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5113 (assemble_alias): Call make_decl_rtl.
5115 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5117 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5119 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5121 * extend.texi: Document the "java_interface" attribute.
5123 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5125 * mkconfig.sh: Use a subshell with redirected stdout,
5126 instead of closing stdout and confusing commands that run
5127 afterward. Throw away output of cmp.
5129 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5131 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5133 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5135 * i386.md (zero_extendsidi2_32): Break out from ...
5136 (zero_extendsidi2): ... here ; turn to expander.
5137 (zero_extendsidi2_rex64): New.
5138 (extendsidi2_32): Break out from ...
5139 (extendsidi2): ... here ; turn to expander.
5140 (extendsidi2_rex64): New.
5141 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5142 (trunc?f?f splitters): Add 64bit versions.
5144 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5146 * i386.md (pushsi, pushsi2_prologue): Disable.
5147 (pushsi2_rex64): New.
5148 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5149 (movqi_ext_1): Disable for 64bit.
5150 (movqi_ext_1_rex64): New.
5151 (pushdi2_rex64): New pattern, peep2s and splitter.
5152 (pushdi2_prologue_rex64): New pattern.
5153 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5155 (movdi splitters): Disable for 64bit.
5156 (movdi_1_rex64): New pattern, peep2s and splitters.
5157 (swapdi): New pattern.
5158 (pushsf): Disable for 64bit.
5159 (pushsf_rex64): New pattern and splitter.
5160 (pushdf_nointeger): Disable for 64bit.
5161 (pushdf_integer): Handle the 64bit case.
5162 (pushtf): Likewise; update splitters.
5164 2001-03-22 Richard Henderson <rth@redhat.com>
5166 * mkconfig.sh: Include insn-flags.h.
5167 * Makefile.in (CONFIG_H): Include insn-flags.h.
5168 (lots of objects): Remove insn-codes.h and insn-flags.h.
5170 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5171 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5172 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5173 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5174 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5175 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5176 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5177 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5178 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5179 v850/v850.c, vax/vax.c:
5180 Don't include insn-flags.h.
5182 * diagnostic.c, expr.h, reload.c, toplev.c:
5183 Don't include insn-codes.h.
5185 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5186 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5187 c4x/c4x.c, i960/i960.c, mips/mips.c:
5188 Don't include insn-codes.h or insn-flags.h.
5190 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5191 or insn-flags.h in the generated code.
5192 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5193 (main): Forward declare struct rtx_def.
5195 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5197 * invoke.texi (-ffast-math): Remove duplicate line about
5200 * gcc.texi: Remove more obsolete documentation of bugs and
5201 installation problems.
5203 2001-03-21 Kazu Hirata <kazu@hxi.com>
5205 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5208 2001-03-20 Jason Merrill <jason@redhat.com>
5210 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5212 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5213 * varasm.c (CHKR_PREFIX): Likewise.
5215 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5217 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5218 is part of a multi-SET insn.
5220 * cse.c (find_comparison_args): Remove previous change.
5221 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5224 * config/i386/i386.md (conditional_trap): Remove warning.
5226 * recog.c (push_operand): Fix error in last change that caused
5227 undefined symbol on many targets.
5229 * sdbout.c: #include ggc.h.
5230 (sdbout_init): Move to end of file.
5231 Call ggc_add_tree_root for anonymous_types.
5232 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5233 (sdbout_one_type): Use DECL_NAME for field name.
5234 * Makefile.in (sdbout.o): Show includes ggc.h.
5236 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5238 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5239 (override_options): Use properlimits for preferred_stack_boundary.
5240 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5242 (ext_register_operand): Accept DImode.
5243 (load_pic_register): Abort on 64bit.
5244 (gen_push): Use Pmode instead of SImode.
5245 (ix86_save_reg): Pic reg is never used on 64bit.
5246 (ix86_expand_prologue): Likewise.
5247 (ix86_emit_save_regs): Use Pmode instead of SImode.
5248 (legitimate_address_p): Check displacement for 64bit.
5249 (print_operand): Avoid outputting of (%rip) on 64bit.
5250 (print_operand_address): Output (%rip) where possible.
5251 (split_di): Abort on 64bit registers.
5252 (ix86_expand_branch): DImode comparison is simple for x86_64.
5253 (memory_address_length): Recognize memory addresses formed using
5255 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5257 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5259 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5261 * recog.c (push_operand): Recognize new format of push instructions.
5263 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5265 * i386.md (pushqi1): New.
5266 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5267 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5268 x86_64_immediate_operand, x86_64_immediate_operand,
5269 x86_64_zext_immediate_operand): Declare.
5270 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5271 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5272 x86_64_immediate_operand, x86_64_immediate_operand,
5273 x86_64_zext_immediate_operand): define.
5274 * i386.h (PREDICATE_CODES): Add new predicates.
5276 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5278 * i386.md (pophi1, popqi1, pushqi1): Remove.
5280 * expr.c (emit_single_push_insn): New function.
5281 (move_by_pieces): Accept NULL as destination for push instructions.
5282 (gen_push_operand): Kill.
5283 (emit_push_insn): Pass NULL when pushing; avoid updating of
5284 stack_pointer_delta.
5285 * expr.h (gen_push_operand): Kill.
5287 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5289 * rtl.texi (COMPARE): Clarify documentation and reference section
5292 2001-03-20 Stan Shebs <shebs@apple.com>
5294 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5295 (get_object_reference): Ditto.
5296 (error_with_ivar): Use error_with_file_and_line.
5297 (warn_with_method): Use warning_with_file_and_line.
5299 2001-03-20 Tom Tromey <tromey@redhat.com>
5301 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5303 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5305 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5306 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5308 2001-03-20 DJ Delorie <dj@redhat.com>
5310 * Makefile.in (install-libgcc): Pass complete list of variables.
5311 (install-multilib): Ditto.
5313 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5315 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5316 drectve_section, switch_to_section.
5318 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5319 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5320 i386_pe_mark_dllimport.
5322 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5324 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5325 functions i386_pe_*.
5327 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5328 i386_pe_* functions with char * arguments.
5330 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5332 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5334 (movsi_ie): Introduce fpul store.
5336 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5338 * Makefile.in (OBJS): Remove hashtab.o.
5340 2001-03-19 Stan Shebs <shebs@apple.com>
5342 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5343 * c-lang.c (maybe_objc_method_name): Ditto.
5344 * c-tree.h (maybe_objc_method_name): Remove decl.
5346 2001-03-19 Tom Tromey <tromey@redhat.com>
5348 * gcc.c (init_gcc_specs): Fix comment.
5350 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5352 Compute DECL_ASSEMBLER_NAME lazily.
5353 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5354 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5355 (SET_DECL_ASSEMBLER_NAME): Likewise.
5356 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5357 (set_decl_assembler_name): Declare.
5358 (lang_set_decl_assembler_name): Likewise.
5359 * tree.c (lang_set_decl_assembler_name): New variab.e
5360 (set_decl_assembler_name): New function.
5361 (init_obstacks): Set lang_set_decl_assembler_name.
5362 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5363 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5364 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5365 where it's not necessary.
5366 (builtin_function): Likewise.
5367 (finish_decl): Likewise.
5368 * dbxout.c (dbxout_type_methods): Likewise.
5369 * ggc-common.c (ggc_mark_trees): Likewise.
5370 * profile.c (output_func_start_profiler): Likewise.
5371 * varasm.c (make_decl_rtl): Likewise.
5373 * cse.c (find_comparison_args): Update documentation. Fix
5374 mishandling of COMPARE operations.
5376 * tree.def (ABS_EXPR): Add documentation.
5377 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5379 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5381 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5383 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5385 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5386 Remove ia32 linux PIC kludge and move it...
5387 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5389 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5391 * i386.md (absdf2 expander): Fix 64bit case.
5393 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5395 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5397 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5399 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5401 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5403 * README.X11: Remove obsolete file.
5405 2001-03-18 Anthony Green <green@redhat.com>
5407 * config/pj/pj.h: Remove some trailing commas.
5408 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5410 2001-03-18 Richard Henderson <rth@redhat.com>
5412 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5413 * calls.c: ... here.
5414 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5415 defaults for them here.
5417 2001-03-17 Anthony Green <green@redhat.com>
5419 * config/pj/lib1funcs.S: Fix broken comment.
5420 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5423 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5425 * gcc.texi: Remove obsolete information relating to build and
5426 installation problems with enquire or the Pyramid C compiler.
5428 2001-03-17 Richard Henderson <rth@redhat.com>
5430 * dwarf2out.c (queue_reg_save): New.
5431 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5432 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5434 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5435 (cfa, cfa_store, cfa_temp): Make static.
5436 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5438 2001-03-17 Richard Henderson <rth@redhat.com>
5440 * integrate.h (struct inline_remap): Add local_return_label.
5441 * integrate.c (expand_inline_function): Initialize it and emit
5442 it after copy_insn_notes.
5443 (copy_insn_list): Don't store local_return_label here.
5444 (copy_insn_notes): New function split out from copy_insn_list.
5446 2001-03-17 Richard Henderson <rth@redhat.com>
5448 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5449 is generating .debug_line.
5450 (dwarf2out_init): Add main_input_filename to the file table first.
5451 * configure.in (as_dwarf2_debug_line): Test with file number 1
5452 instead of file number 0.
5454 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5456 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5457 (gen_rtx_combine): Deleted; all references changed as appropriate.
5458 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5460 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5462 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5464 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5467 2001-03-16 Jim Wilson <wilson@redhat.com>
5469 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5470 then set it to LOC_REG (79) instead of aborting.
5472 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5474 * gccbug.in: Remove high priority.
5476 2001-03-16 Richard Henerson <rth@redhat.com>
5478 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5479 output with a space instead of deleting it.
5480 * configure: Regenerate.
5482 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5484 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5485 handles the gory details of converting an object file into
5486 something that's safe to grep.
5487 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5488 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5489 newlines at either end of the string we're looking for.
5490 Make 'checking ...' message less stilted.
5491 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5492 ARM in-memory layout and its hypothetical converse. Don't
5493 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5494 HOST_WORDS_BIG_ENDIAN.
5496 * configure.in: Adjust for renamed macro. Move
5497 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5498 * configure, config.in: Regenerate.
5500 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5502 * fixinc/Makefile.in: Set SHELL.
5504 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5506 * fixinc/fixincl.c (fix_with_system): Quote file names before
5507 passing them to shell.
5509 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5511 * Makefile.in: Use fix-header$(build_exeext) instead
5514 2001-03-16 Richard Henderson <rth@redhat.com>
5516 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5517 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5518 (size_of_line_prolog): Remove.
5519 (output_line_info): Compute prologue size via label difference.
5520 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5522 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5523 assembler error when redefining file numbers.
5524 * config.in, configure: Rebuild.
5526 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5527 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5528 (dw2_asm_output_delta_uleb128): Likewise.
5529 (dw2_asm_output_delta_sleb128): Similarly.
5530 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5532 2001-03-16 Michael Meissner <meissner@redhat.com>
5534 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5536 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5538 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5540 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5541 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5542 being unsigned in ISO C and signed in traditional.
5543 (expand_prologue): Ditto.
5544 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5546 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5548 (divsi3,divdi3): Ditto.
5549 (modsi3,moddi3): Ditto.
5550 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5551 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5552 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5555 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5557 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5558 SSE based conditional moves on LTGT/UNEQ conditions;
5559 Canonicalize EQ to NE.
5560 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5561 (sse_mov?fcc_ne): New.
5563 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5565 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5567 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5568 register may be dead.
5570 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5572 * Makefile.in (hash.o): Depend on CONFIG_H.
5574 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5576 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5578 2001-03-15 Richard Henderson <rth@redhat.com>
5580 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5581 (ASM_OUTPUT_DWARF_PCREL): New.
5582 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5584 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5586 * cppfiles.c (stack_include_file): Use MAX of sysp.
5588 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5590 * config.gcc (ia64*-*-hpux*): New case.
5591 * config/ia64/hpux.h: New file for HP-UX support.
5592 * config/ia64/t-hpux: New file for HP-UX support.
5594 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5596 * fixinc/inclhack.def (irix_stdio_va_list): New.
5597 * fixinc/fixincl.x: Rebuilt.
5599 2001-03-15 Richard Henderson <rth@redhat.com>
5601 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5602 if provided by the target.
5603 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5604 (dw2_asm_output_addr): New.
5605 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5606 * dwarf2out.c (output_cfi): Use it for program addresses.
5607 (output_call_frame_info, output_die): Likewise.
5608 (output_aranges, output_line_info): Likewise.
5610 2001-03-15 Bruce Korb <bkorb@gnu.org>
5612 * gcc.c(main): make more rigorous
5613 * collect2.c(main): guard against ignoring SIGCHLD
5614 * protoize.c(main): ditto
5615 * gcc/fixinc/fixincl.c(initialize): ditto
5617 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5619 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5620 (sdbout_parms): Likewise.
5622 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5624 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5625 "widen" a destination that is already wider than a word. Also do
5626 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5628 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5630 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5632 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5634 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5636 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5638 * i960.h (i960_maxbitalignment,
5639 i960_last_maxbitalignment): Declare.
5640 * i960.c (i960_maxbitalignment,
5641 i960_last_maxbitalignment): Make global.
5642 (process_pragma): Delete.
5643 (i960_pr_align, i960_pr_noalign): Move from here ...
5644 * i960-c.c: ... to this new file.
5645 * t-960bare (i960-c.o): New rule.
5646 * t-vxworks960 (i960-c.o): Likewise.
5647 * config.gcc (i960-*-*): Define c_target_objs and
5650 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5652 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5653 without adding in rtx code and mode.
5655 * alias.c (init_alias_analysis): Don't use any rtx whose value
5656 varies as a known value.
5657 Delete a superfluous test.
5659 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5661 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5662 scheduling a stop bit.
5663 (ia64_emit_nops): Correctly handle ASMs.
5665 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5667 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5669 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5671 * cpp.texi: Update documentation for -include and -imacros.
5672 * cppfiles.c (struct include_file): Remove "defined" memeber.
5673 (find_or_create_entry): Make a copy of the file name, and
5675 (open_file): Update to ensure we use the simplified filename.
5676 (stack_include_file): Don't set search_from.
5677 (cpp_included): Don't simplify the path name here.
5678 (find_include_file): New prototype. Call search_from to
5679 get the start of the "" include chain. Don't simplify the
5681 (_cpp_execute_include): New prototype. Move diagnostics to
5682 do_include_common. Update.
5683 (_cpp_pop_file_buffer): Don't set defined.
5684 (search_from): New prototype. Use the preprocessor's cwd
5685 for files included from the command line.
5686 (read_name_map): Don't simplify the pathname here.
5687 * cpphash.h (enum include_type): New.
5688 (struct buffer): Delete search from. New search_cached.
5689 (_cpp_execute_include): Update prototype.
5690 * cppinit.c (do_includes): Use _cpp_execute_include.
5691 * cpplib.c (do_include_common): New function.
5692 (do_include, do_include_next, do_import): Use it.
5694 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5696 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5697 contents of the RTL, to determine the name of the object.
5699 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5701 * tree.h (DECL_RTL): Allocate RTL lazily.
5702 (SET_DECL_RTL): New macro.
5703 (DECL_RTL_SET_P): Likewise.
5704 (COPY_DECL_RTL): Likewise.
5705 (DECL_RTL_IF_SET): Likewise.
5706 * varasm.c (make_decl_rtl): Add assertions about the kind of
5707 declaration we are processing.
5708 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5709 (start_decl): Likewise.
5710 (finish_decl): Likewise.
5711 * c-semantics.c (emit_local_var): Likewise.
5712 * calls.c (expand_call): Likewise.
5713 * dbxout.c (dbxout_symbol): Likewise.
5714 * emit-rtl.c (unshare_all_rtl): Likewise.
5715 (unshare_all_decls): Likewise.
5716 (reset_used_decls): Likewise.
5717 * expr.c (store_constructor): Likewise.
5718 (safe_from_p): Likewise.
5719 (expand_expr): Likewise.
5720 * function.c (put_var_into_stack): Likewise.
5721 (instantiate_decls_1): Likewise.
5722 (assign_parms): Likewise.
5723 (expand_function_start): Likewise.
5724 (expand_function_end): Likewise.
5725 * ggc-common.c (gcc_mark_trees): Likewise.
5726 * integrate.c (function_cannot_inline_p): Likewise.
5727 (copy_decl_for_inlining): Likewise.
5728 (expand_inline_function): Likewise.
5729 (integrate_parm_decls): Likewise.
5730 (integrate_decl_tree): Likewise.
5731 * print-tree.c (print_node): Likewise.
5732 * reg-stack.c (stack_result): Likewise.
5733 * stmt.c (label_rtx): Likewise.
5734 (expand_return): Likewise.
5735 (expand_decl): Likewise.
5736 (expand_decl_cleanup): Likewise.
5737 (expand_anon_union_decl): Likewise.
5738 * toplev.c (check_global_declarations): Likewise.
5739 (rest_of_decl_compilation): Likewise.
5740 * tree.c (simple_cst_equal): Likewise.
5741 * objc/objc-act.c (generate_static_references): Likewise.
5743 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5745 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5746 gcc_AC_C_FLOAT_FORMAT): New macros.
5747 * configure.in: Add AC_PROG_CPP after CC tests;
5748 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5749 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5750 * configure, config.in: Regenerate.
5752 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5753 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5754 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5755 config/i370/xm-linux.h, config/i370/xm-oe.h,
5756 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5757 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5758 config/pa/xm-linux.h, config/pa/xm-pa.h,
5759 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5760 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5761 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5762 config/we32k/xm-we32k.h: Delete.
5764 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5765 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5766 config/vax/xm-vms.h: Don't define any of:
5767 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5769 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5771 * config.gcc: Remove references to deleted files.
5772 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5773 FATAL_EXIT_CODE, which is the same between oe and mvs).
5775 2001-03-14 DJ Delorie <dj@redhat.com>
5776 Vladimir Makarov <vmakarov@redhat.com>
5778 * config/i960/i960.c (i960_function_prologue): Compute size of
5779 frame according to number of registers actually saved there.
5781 2001-03-14 Richard Henderson <rth@redhat.com>
5783 * expr.c (emit_move_insn_1): Fix else if around #endif.
5785 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5788 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5791 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5793 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5794 (override_options): Parse cmodel string.
5795 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5796 * i386.h (TARGET_OPTIONS): Add "cmodel".
5797 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5799 (ix86_cmodel_string, ix86_cmodel): Declare.
5801 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5804 * i386.h (GENERAL_REG_P): Add missing REG_P.
5806 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5808 * configure.in: Use $gcc_cv_as instead of $as.
5809 * configure: Regenerated.
5811 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5813 * cppfiles.c (stack_include_file): Only increase the include
5814 count if we actually process the file properly, as opposed
5815 to treating it as length zero. Only call read_include_file
5816 if not DO_NOT_REREAD. Handle the -H include file output
5818 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5819 (cpp_included, find_include_file): Simplify pathnames after
5820 remapping them. If remapping, don't use the remapped file
5821 name's buffer as our scratch buffer.
5822 (cpp_pop_file_buffer): Replace the multiple include macro
5823 only if it isn't yet set.
5824 (read_name_map): Simplify remapped names when reading in.
5825 (remap_filename): Move code to code path that uses it.
5826 (_cpp_simplify_pathname): Return the input pointer.
5827 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5829 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5831 * expr.c (expand_expr): Revove bogus conditional.
5833 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5835 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5837 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5839 * reg-stack.c (stack_result): Unconditionally use
5840 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5842 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5844 * expr.c (emit_move_insn_1): Split push of complex value when
5845 no suitable push instruction exist.
5847 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5848 instead of QI_REG_P.
5850 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5852 * alias.c (handled_component_p, can_address_p): New functions.
5853 (get_alias_set): Use them.
5855 2001-03-13 Jim Wilson <wilson@redhat.com>
5857 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5858 from 80 in try_locals code.
5859 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5861 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5863 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5864 gcc_AC_C_LONG_LONG): New.
5865 * configure.in: Use them. Probe the size of short, int, long,
5866 and long long/__int64 if we have them. Move all the AC_C_*
5867 checks together, except gcc_AC_C_CHAR_BIT which has to go
5868 after AC_CHECK_HEADERS(limits.h).
5869 Take hwint.h out of host_xm_file and build_xm_file.
5871 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5872 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5873 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5874 Move the HOST_WIDEST_INT setup logic here from system.h.
5875 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5877 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5878 is now handled by hwint.h.
5880 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5881 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5882 config/ia64/xm-ia64.h: Don't define any of:
5883 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5884 HOST_BITS_PER_LONGLONG.
5886 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5887 config/h8300/xm-h8300.h, config/mips/iris6.h,
5888 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5889 config/sparc/xm-sp64.h: Delete.
5890 * config.gcc: Remove references to deleted files.
5892 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5893 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5894 * config/i370/xm-linux.h: Clarify floating-point situation in
5897 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5899 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5900 (find_include_file): Decide here which part of the include
5901 chain to start the search. Complain about an empty include
5902 chain in all cases apart from an abolsute file name.
5903 (_cpp_execute_include): Don't choose the search chain here.
5904 Don't call handle_missing_include in the case of an empty
5906 (_cpp_compare_file_date): Don't choose the search chain here.
5907 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5908 here from _cpp_execute_include. Behave like #include if
5909 we're in the main file.
5911 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * system.h (malloc, realloc, calloc, strdup): Only poison these
5914 tokens when IN_GCC is defined.
5916 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5918 * i386.md (abs?f expander): Support SSE case.
5919 (abd?f_if): Add new "USE"; add splitters.
5921 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5923 * cpp.texi (poison): Explain the macro expansion exception.
5925 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5927 * expr.c (store_expr): Add dont_store_target. If temp is already in
5928 target before copying to reg, don't store it into target again.
5930 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5932 * cppinternals.texi: Update for file handling.
5934 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5936 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5937 2001-02-24 which broke building the Java library.
5938 * function.c (identify_blocks): Likewise.
5939 (all_blocks): Likewise.
5940 * integrate.c (integrate_decl_tree): Likewise.
5941 * print-tree.c (print_node): Likewise.
5942 * tree.h (BLOCK_NUMBER): Likewise.
5943 (struct tree_block): Likewise.
5945 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5947 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5948 __WCHAR_TYPE__ definition.
5949 (WCHAR_TYPE_SIZE): #undef before #define.
5951 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5953 * cppfiles.c: Update comments.
5954 (destroy_include_file_node): Rename destroy_node.
5955 (find_or_create_entry): New function.
5956 (open_file, _cpp_fake_include): Use it.
5957 (handle_missing_header): New function, broken out of
5958 _cpp_execute include. Don't segfault if there is no
5959 system or quoted path.
5960 (_cpp_execute_include): Use handle_missing_header.
5962 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5964 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5965 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5967 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5969 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5970 unless anti_dependence says they are.
5971 * alias.c (objects_must_conflict): If neither has a type specified,
5974 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5975 David Billinghurst <David.Billinghurst@riotinto.com>
5977 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5979 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5981 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5982 (*_one_bit): Remove type on the match_operand in attributes.
5984 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5986 * i386.c: Commit forgotten hunk in previous patch.
5987 (regclass_map): Add extended registers.
5988 (dbx_register_map): Add missing frame register.
5990 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5992 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5994 * i386.md (x86_sahf_1): Disable for 64bit.
5995 (popsi*, pophi*): Likewise.
5996 (pushqi, pushhi): Likewise.
5997 (movdi, pushdi): Likewise.
5998 (zero extend DImode splitter): Likewise.
5999 (adddi, minusdi splitter): Likewise.
6000 (umulsidi): Likewise.
6002 (mulsidi): Disable for 64bit
6003 (lshift:DI/ashift:DI): Disable for 64bit.
6004 (loop patterns): Likewise.
6005 (call_pop, call_value_pop expanders and patterns): Likewise.
6006 (prologue_get_pc): Likewise.
6008 (fcmovDI pattern and splitter): Likewise.
6009 (movdfcc_1_rex64): New.
6011 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6013 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6014 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6015 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6016 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6017 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6018 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6019 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6020 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6021 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6022 (REGPARM_MAX): Set to 6 for x86_64.
6023 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6024 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6027 * (patterns that does use upper halves): Update constraints
6028 'q' to 'Q' and 'r' to 'R'.
6029 (cmpqi_ext_1): Disable for 64bit.
6030 (cmpqi_ext_3_insn): Likewise.
6031 (movqi_extzv_1): Likewsie.
6032 (addqi_ext_1): Liekwsie
6033 (testqi_ext_1): Liekwsie
6034 (andqi_ext_1): Liekwsie
6035 (xorqi_ext_1): Liekwsie
6036 (cmpqi_ext_1_rex64): New.
6037 (cmpqi_ext_3_insn_rex64): Likewise.
6038 (movqi_extzv_1_rex64): Likewsie.
6039 (addqi_ext_1_rex64): Liekwsie
6040 (testqi_ext_1_rex64): Liekwsie
6041 (andqi_ext_1_rex64): Liekwsie
6042 (xorqi_ext_1_rex64): Liekwsie
6044 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6046 * configure.in: Move check for unsigned enumerated bitfields
6047 to macro in aclocal.m4. Disable it for now.
6048 * configure, config.in: Regenerate.
6049 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6050 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6051 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6052 kind above its first use.
6054 * config/xm-interix.h, config/alpha/xm-alpha.h,
6055 config/i370/xm-linux.h, config/i386/xm-beos.h,
6056 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6057 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6058 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6059 Don't define ONLY_INT_FIELDS under any circumstances.
6061 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6063 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6064 config/sparc/xm-sysv4.h: Delete - now identical with some
6066 * config.gcc (hppa targets): Replace xm-pahpux.h and
6067 xm-papro.h with implicit xm-pa.h.
6068 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6071 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6073 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6074 before reload_cse_noop_set_p.
6076 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6078 * config.gcc: Where xm-host.h used to include another
6079 xm-host.h, list the nested header directly in xm_file. Remove
6080 references to deleted files. Can now use sparc/xm-sp64.h for
6083 * config/xm-linux.h, config/arm/xm-linux.h,
6084 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6085 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6086 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6087 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6088 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6091 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6092 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6093 bother to wrap #undef in #ifdef.
6094 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6095 Don't include xm-linux.h.
6096 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6098 * configure.in: Wrap regexps using [] in changequote block.
6099 Use expr : not echo | grep. Simplify regexps.
6100 * configure: Regenerate.
6102 56 xm-files remain, 22 xm-arch.
6104 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6106 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6107 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6108 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6109 (copy_object): Fix format specifier vs argument mismatch.
6111 * mips-tdump.c: Make local functions static.
6112 (rindex): Don't #undef.
6113 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6114 (fatal, fancy_abort): Delete.
6115 (read_seek): Avoid signed/unsigned compare.
6117 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6119 * combine.c (try_combine): Fix error in change to try original
6121 (gen_rtx_combine): Do same as gen_rtx for now.
6123 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6125 * configure.in: AC_SUBST xm_defines.
6126 * configure: Regenerate.
6127 * Makefile.in: Set DEFINES=$(xm_defines) when building
6130 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6132 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6133 (cpp_included, find_include_file): Update.
6134 (_cpp_compare_file_date): Make else unconditional.
6136 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6138 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6140 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6142 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6143 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6145 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6147 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6148 if it's a record type.
6150 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6152 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6153 mingw includes slightly.
6155 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6157 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6158 #undef token before poisoning it.
6160 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6162 * alpha.c (check_float_value): Use memcpy, not bcopy.
6164 * m32r.c (m32r_sched_reorder): Likewise.
6166 * vax.c (check_float_value): Likewise.
6168 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6170 * toplev.c (file_name_nondirectory): Remove.
6171 * toplev.h: Similarly.
6172 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6173 of file_name_nondirectory.
6175 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6177 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6178 * mips-tfile.c: Don't #undef rindex; not used.
6180 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6182 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6183 (dbx64_register_map): Declare.
6184 (RETURN_ADDR_RTX): Fix for 64bit.
6185 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6186 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6187 * i386.c (dbx64_register_map): New global array.
6188 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6189 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6192 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6194 * cppfiles.c (search_from): Use lbasename.
6195 * mkdeps.c (deps_add_default_target): Use lbasename.
6197 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6199 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6200 xcalloc in lieu of malloc, realloc & calloc.
6202 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6204 * gengenrtl.c (xmalloc): Likewise.
6206 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6207 really_call_* memory allocation routines.
6209 * stmt.c (check_for_full_enumeration_handling): Use
6210 really_call_calloc, not calloc.
6212 * system.h (really_call_malloc, really_call_calloc,
6213 really_call_realloc): Define.
6214 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6216 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6218 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6220 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6222 * configure: Rebuilt.
6223 * configure.in: Only use `lang_requires' for languages athat are
6226 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6228 * invoke.texi: Fix typo.
6229 * gcc.1: Regenerate.
6231 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6233 * configure.in: Prune nonexistent files from build_xm_file,
6234 xm_file, and host_xm_file lists. Warn unless they're
6236 Don't generate *config.h here.
6237 AC_SUBST all variables needed to generate *config.h.
6238 * configure: Regenerate.
6239 * mkconfig.sh: New helper script, from code removed from
6241 * Makefile.in: Zap all MALLOC variables - no longer used
6242 anywhere, and malloc.c doesn't exist.
6243 Substitute in variables needed to generate *config.h.
6244 Stop lying about the dependencies contained in CONFIG_H and
6246 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6247 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6248 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6249 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6250 $(TM_P_H), etc. as appropriate.
6252 * config.gcc: Zap references to deleted files.
6253 * ggc-none.c: Don't include rtl.h or tm_p.h.
6255 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6256 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6257 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6258 config/i386/xm-linux.h, config/i386/xm-linux.h,
6259 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6260 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6261 Don't include i386/xm-i386.h.
6263 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6264 config/i386/xm-i386.h, config/i860/xm-i860.h,
6265 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6266 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6267 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6268 Delete (empty except comments, #includes of other deleted
6269 files, and macros used nowhere).
6271 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6273 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6274 independent on TARGET_FLAGS.
6276 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6278 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6280 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6282 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6284 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6285 LAST_REX_SSE_REG): define.
6286 (enum reg_class): Add 'LEGACY_REGS'
6287 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6288 (SSE_REGNO_P): Recognize extended registers.
6289 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6290 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6291 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6292 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6293 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6294 REG_OK_FOR_STRREG_P): Remove.
6295 (HI_REGISTER_NAMES): Add extended registers.
6296 (ADDITIONAL_REGISTER_NAMES): Likewise.
6297 (QI_REGISTER_NAMES): Add 8bit extended registers.
6298 (DEBUG_REG): Support extended registers.
6299 * i386.c (regclass_map): Add extended registers.
6300 (dbx_register-map): Likewise.
6301 (svr4_dbx_register_map): Likewise.
6302 (print_reg): Support extended registers.
6303 (print_operand): Support 64bit operands.
6305 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6307 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6308 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6309 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6310 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6311 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6312 STACK_BOUNDARY): Set properly for 64bits.
6313 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6314 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6315 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6316 (MOVE_MAX): Set to 16.
6317 (MOVE_MAX_PIECES): 8 for 64bit.
6318 (Pmode): Set to SImode.
6320 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6322 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6324 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6326 * i386.h (mask_64bit): New constant.
6327 (target_64bit): New macro.
6328 (target_options): Add '64'/'32'
6329 (target_default): Define.
6330 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6331 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6332 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6334 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6336 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6338 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6340 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6341 LO_SUM unless for_alias is set.
6343 2001-03-08 Stan Shebs <shebs@apple.com>
6345 * objc/objc-act.c: Fix old typos in comments, add comments for
6347 (hash_init): Fix file name in error message.
6348 (hash_enter): Ditto.
6349 (hash_add_attr): Ditto.
6350 (continue_class): Ditto.
6352 2001-03-08 Bruce Korb <bkorb@gnu.org>
6354 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6355 wait4() can receive the signal.
6357 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6359 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6361 * fixinc/fixincl.x: Regenerate.
6363 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6365 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6367 * fixinc/fixincl.x: Regenerate.
6369 2001-03-08 Richard Henderson <rth@redhat.com>
6371 * configure.in (HAVE_AS_LEB128): New assembler check.
6372 * configure, config.in: Rebuilt.
6374 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6376 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6379 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6381 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6382 references to the MAXPATHLEN macro.
6384 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6385 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6388 * config/i386/xm-gnu.h, config/xm-gnu.h,
6389 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6390 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6391 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6392 and/or unused files.
6394 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6395 doing so in various xm-*.h files.
6397 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6399 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6401 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6403 * configure.in (enable_shared): Support per-package shared-library
6405 * configure: Rebuilt.
6407 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6409 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6410 for crnot. Set operands[5] in splitter.
6412 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6414 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6415 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6416 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6417 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6418 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6419 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6420 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6423 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6424 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6425 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6426 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6427 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6428 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6429 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6430 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6431 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6432 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6433 Delete unused and/or empty files.
6435 * config.gcc: Define USG in xm_defines as appropriate. Define
6436 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6437 macro. Remove deleted xm-* files from $xm_files variable.
6439 2001-03-07 Tom Tromey <tromey@redhat.com>
6441 * configure: Rebuilt.
6442 * configure.in: Allow config-lang.in to set `lang_requires' to list
6443 of other required languages.
6445 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6447 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6449 (output_prologue): Use xmalloc not oballoc.
6450 (output_epilog): Free a29k_first_epilogue_insn when finished.
6451 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6453 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6455 * builtins.c (expand_builtin_mathfn): Check
6456 flag_unsafe_math_optimizations, not flag_fast_math.
6457 (expand_builtin): Likewise
6458 * combine.c (combine_simplify_rtx): Likewise.
6459 (simplify_if_then_else): Likewise.
6460 * cse.c (fold_rtx): Likewise.
6461 * flags.h: Remove flag_fast_math. Add
6462 flag_unsafe_math_optimizations and flag_trapping_math.
6463 * fold-const.c (negate_expr): Check
6464 flag_unsafe_math_optimizations, not flag_fast_math.
6465 (invert_truthvalue): Likewise.
6466 (fold): Likewise. Before associating operands, check that
6467 code == MULT_EXPR, not code != MULT_EXPR.
6468 * ifcvt.c (noce_try_minmax): Check
6469 flag_unsafe_math_optimizations, not flag_fast_math.
6470 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6471 * invoke.texi: Document -funsafe-math-optimizations and
6472 -fno-trapping-math. Change documentation for -ffast-math.
6473 * jump.c (reversed_comparison_code_parts): Likewise.
6474 (rtx_equal_for_thread_p): Likewise.
6475 * optabs.c (emit_conditional_move): Likewise.
6476 * simplify-rtx.c (simplify_binary_operation): Likewise.
6477 (simplify_relational_operation): Likewise.
6478 (simplify_ternary_operation): Likewise.
6479 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6480 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6481 Add trapping-math and unsafe-math-optimizations entries to f_options.
6482 (set_fast_math_flags): New, sets flags for -ffast-math.
6483 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6484 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6485 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6487 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6488 (alpha_emit_conditional_move): Initialize local_fast_math to
6489 flag_unsafe_math_optimizations, not flat_fast_math.
6490 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6491 instead of setting flag_fast_math to 1.
6492 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6494 * config/i386/i386.c (override_options): Likewise
6495 * config/i386/i386.md: Likewise.
6496 * config/m68k/m68k.md: Likewise.
6497 * config/mips/mips.md: Likewise.
6498 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6499 (rs6000_generate_compare): Likewise.
6501 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6503 * Makefile.in: Set RANLIB to @RANLIB@.
6506 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6508 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6509 * fixinc/fixincl.x: Regenerated.
6511 2001-03-07 Richard Henderson <rth@redhat.com>
6513 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6515 2001-03-07 Richard Henderson <rth@redhat.com>
6517 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6518 of block notes and exception handling notes.
6520 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6521 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6522 (compile_file): ... here.
6524 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6526 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6528 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6529 config.h now. Include libiberty.h to handle alloca.
6531 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6533 * c-parse.in (yylexname): New function, split out of _yylex.
6534 (objc_rid_sans_at): New table.
6535 (init_reswords): Initialize it.
6536 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6537 retrieving the next token and checking it for significance as
6538 an ObjC keyword or string constant.
6540 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6541 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6543 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6546 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6548 * config/m68k/m68k.c (const_uint32_operand): Accept any
6549 const_int on a 32-bit host.
6551 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6553 * objc/objc-act.c (init_objc): Set save_lang_status,
6554 restore_lang_status, and mark_lang_status.
6556 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6558 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6560 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6562 * cppinternals.texi: Update.
6564 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6566 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6567 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6568 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6569 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6570 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6571 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6572 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6573 config/i386/xm-i386.h, config/i860/xm-i860.h,
6574 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6575 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6576 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6577 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6578 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6579 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6580 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6581 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6582 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6583 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6584 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6585 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6586 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6587 match the defaults provided in hwint.h.
6589 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6590 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6592 * config.gcc (xm_file): Don't set to files which are deleted.
6594 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6595 guard this file against these macros being undefined.
6597 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6599 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6600 and DECL_DEFER_OUTPUT on the decl we create, before calling
6601 rest_of_decl_compilation.
6603 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6605 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6607 * configure, config.in: Regenerate.
6608 * config.gcc: Remove references to deleted files.
6610 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6611 genrecog.c, rtl.c: Do not use alloca anywhere.
6613 * Makefile.in, build-make, system.h, config/x-interix,
6614 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6615 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6616 config/arc/xm-arc.h, config/arm/xm-arm.h,
6617 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6618 config/h8300/xm-h8300.h, config/i370/x-oe,
6619 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6620 config/i386/x-ncr3000, config/i386/x-sco5,
6621 config/i386/xm-dgux.h, config/i860/x-sysv4,
6622 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6623 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6624 config/m68k/x-hp320g, config/m69k/x-mot3300,
6625 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6626 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6627 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6628 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6629 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6630 config/mips/x-iris, config/mips/x-iris3,
6631 config/mips/x-sni-svr4, config/mips/x-sysv,
6632 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6633 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6634 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6635 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6636 config/pa/xm-papro.h, config/romp/xm-romp.h,
6637 config/rs6000/x-aix31, config/rs6000/x-aix41,
6638 config/rs6000/x-beos, config/rs6000/x-lynx,
6639 config/rs6000/x-mach, config/rs6000/x-rs6000,
6640 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6641 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6642 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6643 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6644 config/vax/xm-vms.h: Eradicate all references to alloca and
6647 * config/xm-alloca.h, config/clipper/x-clix,
6648 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6649 config/i860/x-sysv3, config/m88k/x-sysv3,
6650 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6651 (contained only alloca related hacks).
6653 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6656 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6658 * invoke.texi: Document __FAST_MATH__.
6660 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6662 * crtstuff.c: Restore include of auto-host.h.
6664 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6666 Put main() in a separate file, so that the language
6667 front-end can use a different main().
6670 * toplev.c: (main): Rename as toplev_main.
6671 * toplev.h: Declare toplev_main.
6672 * Makefile.in (OBJS): add toplev.o.
6673 (BACKEND): remove toplev.o, add main.o.
6675 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6677 * cppfiles.c (search_from): Special case the empty string.
6679 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6681 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6682 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6683 strlen or strcpy; we already know the length.
6684 (_cpp_compare_file_date): Similarly.
6685 * cpphash.h (struct cpp_reader): Delete done_initialising.
6686 (CPP_PREV_BUFFER): Delete.
6687 * cppinit.c (cpp_start_read): Don't set done_initialising.
6688 * cpplex.c (parse_string): Guarantee null-termination.
6689 (_cpp_equiv_toklists): Remove.
6690 * cpplib.c (glue_header_name): Null-terminate.
6691 (do_line): Don't leak memory.
6692 * cpplib.h (BT_WEAK): Delete.
6693 * cppmain.c (cb_ident): Strings are now null-terminated.
6695 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6697 * gcc.c (convert_filename): Append executable suffix
6698 if NO_AUTO_EXE_SUFFIX is not defined.
6699 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6700 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6702 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6704 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6705 * c-parse.gperf, c-gperf.h: Delete.
6706 (c-gperf.h was accidently re-added to the CVS repo in the rev
6707 1.16 commit by tromey)
6709 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6711 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6712 macro arguments when looking for the '('.
6713 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6714 2 when really parsing arguments; 1 when looking for '('.
6715 Always restore the lexer position.
6717 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6719 * longlong.h (umul_ppmm): Don't use a multiline string.
6721 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6723 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6724 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6725 t_bool in declaration because pcc can't combine volatile with typedef
6728 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6730 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6731 until when it is really needed.
6732 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6733 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6734 * i386.md (float?i?f splitter): Don't force source operand to memory
6736 (sse_movdfcc): Fix constraint.
6737 (sse_movdfcc splitter): Handle properly the second alternative.
6739 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6741 * cpplex.c (parse_string): Unconditionally pedwarn.
6743 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6746 * cppexp.c (parse_number): Update.
6747 * cpplex.c (parse_string): Pedwarn if multiline string does not
6748 result from a system header's macro.
6749 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6750 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6751 for function-like macros too.
6752 * c-lex.c (lex_number): Update.
6754 2001-03-03 Richard Henderson <rth@redhat.com>
6756 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6758 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6760 * combine.c (try_combine): If split with mode-changed scratch
6761 register didn't work, try the original mode.
6763 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6765 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6766 * config/c4x/c4x.h: Likewise.
6767 * stor-layout.c (compute_record_mode): Likewise.
6768 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6770 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6772 * configure.in: Kill tm.h. Include the files in the $tm_file
6773 list in all three of config.h, hconfig.h, tconfig.h, after the
6774 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6775 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6776 * configure: Regenerate.
6777 * Makefile.in (clean): Don't delete tm.h.
6779 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6780 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6781 those are not defined, set SEC and FEC to 0 and 1.
6782 * gcc.texi: Update to match.
6784 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6785 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6786 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6787 Include tconfig.h, not tm.h.
6789 * config/xm-lynx.h, config/xm-std32.h,
6790 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6791 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6792 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6793 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6794 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6795 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6796 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6797 config/i386/xm-i386.h, config/i860/xm-i860.h,
6798 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6799 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6800 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6801 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6802 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6803 config/pa/xm-linux.h, config/pa/xm-pa.h,
6804 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6805 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6806 config/pj/xm-pj.h, config/romp/xm-romp.h,
6807 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6808 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6809 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6810 config/v850/xm-v850.h, config/vax/xm-vax.h,
6811 config/we32k/xm-we32k.h:
6813 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6815 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6816 config/i370/xm-oe.h: Don't include tm.h. Don't define
6818 * config/vax/xm-vms.h: Don't include tm.h.
6820 * config/xm-lynx.h, config/avr/xm-avr.h,
6821 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6822 Delete; made empty by above changes.
6823 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6824 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6825 Don't include config/xm-lynx.h or tm.h.
6827 * config/xm-gnu.h: Don't include fcntl.h.
6828 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6830 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6832 2001-03-02 Richard Henderson <rth@redhat.com>
6834 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6835 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6837 2001-03-02 Richard Henderson <rth@redhat.com>
6839 * Makefile.in (OBJS): Add dwarf2asm.o.
6840 * dwarf2asm.c, dwarf2asm.h: New files.
6841 * dwarf2out.c (*): Use them.
6842 (size_of_uleb128, size_of_sleb128): Remove.
6843 (output_uleb128, output_sleb128): Remove.
6844 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6845 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6846 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6847 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6848 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6849 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6850 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6851 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6852 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6853 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6854 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6855 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6856 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6857 (dwarf2out_frame_debug): Remove unused variables.
6858 (output_loc_operands): Don't abort on 8 byte constants if
6859 host integers are wide enough.
6860 (output_symbolic_ref): Remove.
6861 (size_of_die): Don't assume 4 byte host integers.
6862 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6864 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6865 something stupid with HOST_WIDE_INT to long truncation.
6866 [CONST_DOUBLE]: Likewise.
6868 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6869 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6870 * config/arm/unknown-elf.h: Likewise.
6871 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6872 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6873 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6874 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6875 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6876 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6877 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6878 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6879 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6880 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6881 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6882 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6884 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6886 * cselib.c (hash_rtx): Cast enums to unsigned int.
6888 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6890 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6891 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6893 * c-format.c (C_STD_VER): Cast to int for comparisons.
6894 (check_function_format): Cast various enums to int for &.
6895 (maybe_read_dollar_number): Likewise.
6896 (check_format_info): Likewise.
6897 (check_format_info_main): Likewise.
6898 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6899 (safe_from_p): Likewise.
6900 * varasm.c (const_hash): Cast enum to int for %.
6901 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6902 pcc enum problems with < and ++ operators.
6903 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6904 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6905 (regclass_init): Change enum class to int to iterate over reg_classes.
6906 * genrecog.c (merge_trees): Cast enums for comparison.
6907 * rtl.h (GET_CODE): Cast to enum rtx_code.
6908 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6909 (GET_MODE): Cast to enum machine_mode.
6910 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6911 (GET_NOTE_INSN_NAME): Cast enum to int.
6912 * tree.h (TREE_CODE): Cast to enum tree_code.
6913 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6914 * timevar.c (timevar_print): Change loop variable id from enum to
6916 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6917 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6918 * toplev.c (compile_file): Cast enum DFI to int.
6919 (decode_d_option): Likewise.
6921 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6923 * cppinit.c (append_include_chain): Mark "after" include file name list
6924 as a system directory.
6925 * cpp.texi: Document new behavior.
6927 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6929 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6931 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6933 * cppfiles.c (struct include_file): Update.
6934 (stack_include_file): Use search_from.
6935 (cpp_included, find_include_file): Update.
6936 (cpp_execute_include): Update. ptr->name may not be
6937 null terminated. Use the new search_from member variable
6939 (_cpp_compare_file_date): Similarly.
6940 (search_from): New function, similiar to actual_directory.
6941 (actual_directory): Delete.
6942 (remap_filename): Update. loc->name may not be null terminated.
6943 (struct file_name_list): Rename search_path. Update.
6944 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6945 search_from and dir.
6946 (struct cpp_reader): Remove actual_dirs.
6947 * cppinit.c (struct cpp_pending): Update for renamed objects.
6948 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6949 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6950 * cpplib.h (struct cpp_options): Similarly.
6952 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6954 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6955 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6956 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6957 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6958 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6959 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6960 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6961 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6962 config/i370/xm-oe.h, config/i386/xm-aix.h,
6963 config/i386/xm-i386.h, config/i386/xm-osf.h,
6964 config/i860/xm-i860.h, config/i960/xm-i960.h,
6965 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6966 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6967 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6968 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6969 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6970 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6971 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6972 config/pj/xm-pj.h, config/romp/xm-romp.h,
6973 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6974 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6975 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6976 config/v850/xm-v850.h, config/vax/xm-vax.h,
6977 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6978 Do not define TRUE or FALSE.
6980 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6981 empty by above change.
6982 * config.gcc: Remove references to these files.
6984 * configure.in: Detect stdbool.h.
6985 * configure, config.in: Regenerate.
6986 * system.h: Include stddef.h here if available.
6987 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6988 Then set up a sensible boolean type at the very end.
6990 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6991 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6993 * hash.h: Delete 'boolean' typedef and related #undefs.
6995 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6996 all uses of 'boolean' with 'bool'.
6998 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7000 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7001 * cppexp.c (lex): Cast enums for comparison.
7002 * cppinit.c (parse_option): Cast enum for comparison.
7003 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7004 (cpp_output_token): Likewise.
7005 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7006 (cpp_avoid_paste): Cast enums for minus and comparison.
7008 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7010 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7011 field to all array elements.
7013 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7015 * cpphash.h (struct cpp_reader): Add print_version field.
7016 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7017 just set print_version and other flags as appropriate.
7018 (cpp_post_options): Print version here if print_version is set.
7020 * toplev.c (exit_after_options): New flag.
7021 (independent_decode_option): Don't exit here; just set
7023 (main): Exit after calling lang_hooks.post_options if
7024 exit_after_options is true.
7026 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7027 (merge_include_chains): Adjust comment to match code.
7029 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7031 * stringpool.c (set_identifier): New function.
7032 * tree.h: Prototype it.
7034 * c-parse.in: Kill D_YES. If compiled for objc, call
7035 save_and_forget_protocol_qualifiers from init_reswords.
7036 * objc/objc-act.c (remember_protocol_qualifiers,
7037 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7038 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7040 (save_and_forget_protocol_qualifiers): New function.
7041 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7043 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7045 * c-semantics.c (prune_unused_decls): Return error_mark_node
7046 instead of (tree) 1 to stop traversing the tree chain.
7048 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7050 Fix a problem introduced by Kenner's Feb 18 change.
7051 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7052 flag_cse_skip_blocks only temporarily, not for ever.
7054 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7056 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7057 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7059 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7060 before determining its register class.
7062 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7064 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7065 from reg 4 if current_function_calls_setjmp.
7066 (gen_nop_type): New function.
7067 (ia64_emit_nops): New function.
7068 (ia64_reorg): Call it.
7069 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7071 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7072 code not to try to optimize adds with anything but a REG destination.
7074 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7075 (INSN_PRIORITY_KNOWN): New accessor macro.
7076 * haifa-sched.c (priority): Use it instead of testing priority against
7079 2001-02-28 DJ Delorie <dj@redhat.com>
7081 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7082 since that doesn't work the way gcc wants on a generic m68k.
7084 2001-02-28 Richard Henderson <rth@redhat.com>
7086 * caller-save.c (save_call_clobbered_regs): Fix typo in
7087 comparison last change.
7089 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7091 * i386.c (pentium4_cost): New.
7092 (m_PENT4): New macro.
7093 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7094 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7095 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7096 x86_memory_mismatch_stall): Add Pentium4
7097 (x86_use_q_reg, x86_use_any_reg): Kill.
7098 (override_options): Add pentium4.
7099 (incdec_operand): Return 0 for pentium4.
7100 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7101 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7102 (TARGET_PENTIUM4): Define.
7103 (enum processor_type): Add PROCESSOR_PENTIUM4.
7104 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7105 * i386.md (attribute "cpu"): Add pentium4.
7106 * invoke.texi (march): Add pentium4.
7108 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7110 * i386.md (sse_mov?fcc*): New patterns and splitters.
7111 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7112 the SSE based conditional moves.
7114 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7116 * i386.md (attribute mode): Add "TI".
7117 (movsf_1): Add pxor support; remove constant propagation splitter.
7118 (movdf_integer): Likewise.
7119 (movdf_nointeger): Likewise.
7120 (movxf constant prop splitter): Handle all modes; update for SSE.
7121 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7122 * i386.c (standard_80387_constant_p): Rewrite.
7123 (standard_sse_constant_p): New.
7124 * i386-protos.h (standard_sse_constant_p): New.
7126 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7128 * i386.md (sse_setccsf, sse_setccdf): New.
7129 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7131 * i386.c (sse_comparison_operator): Accept the supported unordered
7132 comparses; be ready for fast_math.
7133 (print_operand): Support 'D'.
7135 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7137 * jump.c (reversed_comparison_code): Kill.
7139 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7141 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7144 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7147 add missing '%' in constraints.
7149 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7151 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7152 for HOST_BITS_PER_WIDE_INT == 32 too.
7154 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7156 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7158 (insert_save, insert_restore): New parameter save_mode.
7159 (init_caller_save): Update initialization of reg_save_code
7160 and reg_restore_code.
7161 (save_call_clobbered_regs): Compute save_modes and update calls to
7162 reg_save_code and reg_restore_code.
7163 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7164 of spill; update use of reg_restore_code.
7165 (insert_save): Likewise.
7166 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7167 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7168 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7170 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7172 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7173 noce_try_store_flag_inc, noce_try_store_flag_mask,
7174 noce_try_cmove_arith):
7175 Use reversed_comparison_code instead of reverse_comparison and
7176 can_reverse_comparison_p.
7178 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7180 * jump.c (reversed_comparison_code_parts): Allow reversal of
7181 unordered compares in -ffast-math mode; reverse ordered compares
7182 for FP even w/o -ffast-math.
7184 2001-02-27 Richard Henderson <rth@redhat.com>
7186 * print-rtl.c (print_rtx) [i]: Don't print field five on
7187 NOTEs other than NOTE_INSN_DELETED_LABEL.
7189 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7191 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7192 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7194 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7196 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7197 even if walk_subtrees is 0.
7198 * c-semantics.c (prune_unused_decls): Return a non-null value to
7199 stop traversing the tree chain.
7201 2001-02-27 DJ Delorie <dj@redhat.com>
7203 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7204 register, *then* define it as the new CFA.
7206 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7208 * pa.c (override_options): Promote -fpic to -fPIC.
7209 (legitimize_pic_address): Simplify due to removal of
7210 small PIC as a code generation option.
7211 (secondary_reload_class): Similarly.
7212 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7213 (PRINT_OPERAND_ADDRESS): Similarly.
7214 * pa.md (various patterns): Similarly.
7215 (small pic lo_sum pattern): Remove.
7217 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7220 * md.texi (min, max): Document
7222 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7224 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7225 TARGET_PARTIAL_REG_DEPENDENCY.
7226 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7228 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7230 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7232 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7234 * mips.c (mips_make_temp_file): Fix thinko in last change.
7236 2001-02-26 Jason Eckhardt <jle@redhat.com>
7238 * combine.c (known_cond): Do not reverse the condition when
7239 SMAX/UMAX is being considered and the condition is for equality
7242 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7244 2001-02-26 Philip Blundell <philb@gnu.org>
7246 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7248 * config/arm/linux-elf.h: Remove historical relics related to
7249 above configurations.
7250 * config/arm/linux-oldld.h: Delete.
7251 * config/arm/linux-elf26.h: Delete.
7253 2001-02-26 Jason Merrill <jason@redhat.com>
7255 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7257 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7258 recognize a tentative definition. Lose obsolete code.
7260 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7261 variables unless necessary, either.
7263 2001-02-25 Richard Henderson <rth@redhat.com>
7265 * ifcvt.c (struct noce_if_info): Add test_bb.
7266 (noce_get_alt_condition): New.
7267 (noce_try_minmax, noce_try_abs): New.
7268 (noce_operand_ok): New.
7269 (noce_process_if_block): Use them.
7270 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7272 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7274 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7277 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7279 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7280 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7282 (mips_asm_file_end): Free temp_filename here.
7284 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7286 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7287 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7289 * config/i386/i386.md (movstrsi): Handle FAIL case.
7291 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7293 * cppinit.c (builtin_array): Update.
7294 (init_builtins): Flag builtins to warn if redefined or
7295 undefined. Define __GXX_WEAK as a normal macro.
7296 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7297 * cpplib.h (NODE_WARN): New flag.
7298 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7299 Handle __STDC__ as a builtin only on Solaris.
7300 (warn_of_redefinition): Renamed from check_macro_definition.
7301 Reverse sense of test. Always warn if NODE_WARN.
7302 (_cpp_create_definition): Use warn_of_redefinition. Flag
7303 any macro beginning with "__STDC_" to require a mandatory
7304 warning if redefined or undefined.
7306 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7308 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7309 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7310 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7311 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7312 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7313 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7314 Don't define any of:
7315 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7316 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7317 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7318 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7319 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7321 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7322 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7325 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7326 Delete now-empty file.
7328 * alpha/vms.h: Define NEED_ATEXIT here...
7329 * alpha/xm-vms.h: ...not here.
7331 * i386/cygwin.h: Don't define PARAMS.
7332 * mips/mips.c: Don't prototype mktemp. Don't define
7333 P_tmpdir. Use make_temp_file to create temporary files.
7334 Don't be clever and delete temporary files early.
7335 * config.gcc: Drop references to deleted files. Don't define
7337 * gcc.texi: Don't mention USE_PROTOTYPES.
7339 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7341 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7342 (ix86_set_move_mem_attrs_1): Likewise.
7343 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7344 * config/i386/i386.md (movstrsi): Call it.
7346 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7348 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7349 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7350 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7351 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7353 (i750a-*-*): Error here if hosting on i750a.
7354 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7356 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7357 Remove (empty modulo comments).
7359 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7360 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7361 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7362 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7363 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7364 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7366 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7367 Remove reference to winnt.h in comment.
7368 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7370 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7372 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7373 used to set another biv.
7375 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7377 * tree.h (BLOCK_DEAD): New macro.
7378 (struct tree_block): New flag, dead_flag.
7379 * print-tree.c (print_node, case 'b'): Print missing fields.
7380 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7381 * function.c (identify_blocks): Enable test for misplaced notes.
7382 (all_blocks): Skip BLOCK_DEAD blocks.
7383 * integrate.c (integrate_decl_tree): Likewise.
7385 * errors.c (internal_error, trim_filename): New functions.
7386 (fancy_abort): Call internal_error.
7387 * errors.h (internal_error, trim_filename): New declarations.
7389 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7391 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7393 (EXTRA_CONSTRAINT): Formatting changes.
7395 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7397 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7399 2001-02-23 Per Bothner <per@bothner.com>
7401 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7402 so they can be called from java/jvspec.c.
7403 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7405 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7407 * i386.c (ix86_frame): New structure.
7408 (ix86_compute_frame_size): Kill.
7409 (ix86_compute_frame_layout): New.
7410 (ix86_save_reg): New.
7411 (ix86_can_use_return_insn_p): Use frame layout stuff.
7412 (ix86_expand_prologue): Likewise.
7413 (ix86_expand_epilogue): Likewise.
7414 (ix86_initial_elimination_offset): Likewise.
7415 (ix86_nsaved_regs): Use ix86_save_reg.
7416 (ix86_emit_save_regs): Likewise.
7418 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7420 * flow.c (find_sub_basic_blocks): New function.
7421 (split_block): Be ready for basic block introduced by CODE_LABEL.
7422 (commit_one_edge_insertion): Call find_sub_basic_block.
7424 * flow.c (make_edges): Add edge from entry for blocks starting with
7425 label having ALTERNATE_NAME
7427 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7429 * function.c (epilogue_done): Be ready for first basic block not
7430 containing PROLOGUE_END note.
7431 (reposition_prologue_and_epilogue_notes): Avoid placing
7432 PROLOGUE_END note between BASIC_BLOCK.
7434 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7436 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7438 2001-02-21 DJ Delorie <dj@redhat.com>
7440 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7441 check for current_function_has_nonlocal_goto from 1999-11-12.
7443 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7445 * diagnostic.c (trim_filename): No longer static.
7446 * toplev.h (trim_filename): Declare.
7447 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7448 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7449 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7450 (rtvec_check_failed_bounds): Likewise.
7451 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7453 * convert.c (convert_to_integer): Don't do unsigned unless result or
7454 both inputs are unsigned.
7456 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7459 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7461 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7463 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7465 * Makefile.in (resource.o): Add params.h dependence.
7466 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7467 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7468 * resource.c: Add dependence on params.h.
7469 (current_live_regs): Fix explanatory comment.
7470 (find_basic_block): Add new parameter to permit limiting search
7472 (mark_target_live_regs): Add new argument to find_basic_block call.
7473 (incr_ticks_for_insn): Likewise.
7475 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7477 * diagnostic.c (output_to_stream): Rename to
7478 output_buffer_to_stream. Loses the stream parameter.
7479 (init_output_buffer): Set diagnosic_buffer's stream.
7480 (flush_diagnostic_buffer): Adjust.
7481 (default_print_error_function): Likewise.
7482 (finish_diagnostic): Likewise.
7483 (verbatim): Likewise.
7485 * diagnostic.h (struct output_buffer): Add `stream' field.
7486 (output_buffer_attached_stream): New macro.
7488 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7490 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7491 check if either operand is divisible by C.
7492 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7493 If type is signed, consider negative numbers as well.
7495 2001-02-22 Richard Henderson <rth@redhat.com>
7497 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7498 reach .text instead of gp-relative relocs.
7499 * config/ia64/crtend.asm (.init): Likewise.
7501 2001-02-22 Andreas Jaeger <aj@suse.de>
7503 * extend.texi (C++ Attributes): Fix typo.
7505 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7507 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7508 functions, drop current_function_args_info.words test.
7509 (ia64_compute_frame_size): Mark syscall_linkage functions as
7510 using eight input registers.
7512 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7513 Bruce Korb <bkorb@gnu.org>
7515 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7516 * fixinc/README: Document how to convert sed substitutions
7517 to format style c_fix-es.
7518 * fixinc/fixincl.x: regen
7520 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7522 * gcc.c: Add comment explaining how to add a command-line option.
7523 Add title to specs language comment.
7525 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7527 * gcc.c (cc1_options): Add "-param".
7528 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7529 (option_map): Likewise.
7530 * toplev.c (display_help): Add entry for "--param".
7531 (independent_decode_option): Fix typographical error.
7533 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7534 Bernd Schmidt <bernds@redhat.com>
7535 Jan Hubicka <jh@suse.cz>
7537 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7538 (function_arg): Likewise.
7540 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7542 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7544 2001-02-21 Kazu Hirata <kazu@hxi.com>
7546 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7550 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7552 * flow.c (init_propagate_block_info): Canon address and use single_set
7553 for killing dead memory stores.
7555 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7557 * Makefile.in (reorg.o): Add params.h dependence.
7558 * params.def: Fix typographical error in comment.
7559 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7560 * params.h: Modify introductory comment.
7561 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7562 * reorg.c: Add dependence on params.h.
7563 (redundant_insn): Add parameterized throttle for search.
7564 (fill_simple_delay_slots): Add a comment explaining a variable.
7565 Move conditional out of loop, simplifying code.
7566 (fill_eager_delay_slots): Fix typographical error in comment.
7568 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7570 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7572 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7573 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7575 2001-02-21 Jason Merrill <jason@redhat.com>
7577 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7578 (struct tree_decl): Add uninlinable bitfield.
7579 * c-decl.c (duplicate_decls): Set it.
7580 * integrate.c (function_cannot_inline_p): Check it.
7582 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7583 DW_AT_MIPS_linkage_name to abstract methods.
7584 (dwarf2out_abstract_function): Emit class context before calling
7585 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7586 (gen_subprogram_die): Remove obsolete code.
7587 (gen_member_die): Don't include clones in the member list.
7588 (gen_decl_die): Emit abstract info for clone origin.
7589 * dwarfout.c (output_type): Don't include clones in the member list.
7590 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7591 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7592 DECL_ABSTRACT on a function that already has it set.
7594 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7595 (get_subprogram_die): Pass it in.
7597 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7599 * flow.c (mark_set_1): Make not_dead unsigned long. For
7600 non-pseudos, use it as a bitmask of the hard regs that
7603 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7605 * cppfiles.c: Update comments.
7606 (_cpp_read_file): Don't check for NULL filenames any more.
7607 * cppinit.c (cpp_start_read): Don't do canonicalization of
7608 in_fname and out_fname. Use the passed file name exclusively.
7609 (_cpp_handle_options): Don't treat "-" as a command line option,
7610 but as a normal filename.
7611 (_cpp_post_options): Canonicalize in_fname and out_fname.
7612 * cppmain.c (printer_init): Don't check out_fname for NULL.
7613 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7614 (init_c_lex): Update, and use "" to represent stdin to CPP.
7617 2001-02-20 Will Cohen <wcohen@redhat.com>
7619 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7620 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7621 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7624 2001-02-20 Stan Shebs <shebs@apple.com>
7626 * config/rs6000/rs6000.c (output_cbranch): Output branches
7627 on separate lines instead of using ';' to separate.
7629 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7631 * cppinit.c (set_lang): Move builtin handling to...
7632 (init_builtins): ...here.
7633 (_cpp_create_reader): Move call to set_lang.
7635 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7637 * stmt.c (expand_return): If an attempt is made to return the
7638 error_mar_node, treat the return like a return without a value.
7640 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7642 * sibcall.c (skip_copy_to_return_value): Call
7643 identify_call_return_value here, and return orig_insn if it
7644 returns zero. Hardret and softret arguments now unnecessary.
7645 (call_ends_block_p): Don't call identify_call_return_value here.
7647 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7649 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7650 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7652 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7654 * pa.c (move_operand): Accept code to load the address of a
7655 symbol out of the DLT as a valid move operand.
7656 (print_operand, case 'A'): New to handle generating a DLT
7657 reference for a LO_SUM expression.
7658 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7659 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7661 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7663 * README, cpp.texi, gcc.texi, version.c: Update version number to
7665 * cpp.1, gcov.1, gcc.1: Regenerate.
7667 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7669 * cppfiles.c (stack_include_file): Generate dependencies
7670 here, and manage include_count here too.
7671 (PRINT_THIS_DEP): Delete.
7672 (_cpp_execute_include): Do not generate dependencies here,
7673 apart from the case of a missing header. Do not manage
7675 (_cpp_read_file): Leave dependency generation to
7678 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7680 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7681 target_cpu_default. Remove dead assignment to
7684 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7686 * regclass.c (contains_reg_of_mode): Make global.
7687 (init_reg_sets): Remove contains_reg_of_mode; take into account
7688 CLASS_MAX_NREGS when looking for the proper mode.
7689 (dump_regclass): Dump only classes considered for the pseudo.
7690 (regclass): Use contains_reg_of_mode.
7692 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7694 * gcc.c (do_spec_1): 'n' for printing notices.
7695 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7697 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7699 * reg-stack.c (next_flags_user): Use current_block->end
7700 (swap_rtx_condition): Look for next user if flags don't die;
7701 give up on CALL_INSNs; use current_block->end.
7703 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7705 * sibcall.c (call_ends_block_p): New function.
7706 (optimize_sibling_and_tail_recursive_call): Use it.
7708 2001-02-18 Kazu Hirata <kazu@hxi.com>
7710 * config/h8300/h8300.md: Update copyright.
7711 (andsi3): Do not output an extra newline character.
7713 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7715 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7716 FNDECL may be unused.
7718 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7719 follow jumps after first run.
7720 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7721 it doesn't change any jumps.
7723 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7725 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7726 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7727 (mostlyclean): Corresponding changes.
7728 * rtlanal.c (hard-reg-set.h): Include.
7729 (rtx_unstable_p): Do not treat the argument pointer specially
7730 if it is not a fixed register.
7731 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7733 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7735 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7736 against last real insn in basic block.
7737 Rework to avoid gotos.
7739 * Makefile.in (gcse.o): Now includes ggc.h.
7740 * gcse.c: Include ggc.h.
7741 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7742 (try_replace_reg): Remove warning of uninitialize variable.
7743 (process_insert_insn): Call invalid_insn_p to validate insn.
7744 * recog.c (insn_invalid_p): Now global.
7745 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7746 * recog.h (insn_invalid_p): New declaration.
7748 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7750 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7751 assignments from FP constants since 'Y' output code can't handle it.
7752 (eligible_for_sibcall_delay): Likewise.
7754 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7755 Call fancy_abort directly, passing args.
7756 (print_rtl_and_abort): Now a macro, like fancy_abort.
7758 * final.c (output_operand_lossage): Use internal_error, not error.
7760 2001-02-18 Shane Nay <shane@agendacomputing.com>
7762 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7763 structure shift insns.
7765 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7767 * invoke.texi (-fsquangle): Remove documentation.
7768 (-fname-mangling-version): Likewise.
7770 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7772 * optabs.c (expand_abs): Remove reference to
7773 HAVE_contitional_arithmetic.
7774 * combine.c (simplify_set): Likewise.
7776 2001-02-18 Richard Henderson <rth@redhat.com>
7778 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7781 2001-02-18 Richard Henderson <rth@redhat.com>
7783 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7785 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7787 * reload1.c (reload_cse_simplify_set): Fix typo.
7789 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7791 * diagnostic.c (_fatal_insn): Decrement errorcount.
7793 * invoke.texi (-I): Add note avoiding use for system header files.
7795 * rtl.h (add_clobbers): Remove duplicate declaration.
7796 * recog.h (added_clobbers_hard_reg_p): New declaration.
7797 * genemit.c (struct clobber_pat): New field has_hard_reg.
7798 (gen_insn): Record if added clobbers clobber hard reg.
7799 (gen_split): Avoid unused warning if number of operands is 0.
7800 (output_added_clobbers_hard_reg_p): New function.
7803 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7805 * pa.c (hppa_expand_prologue): Simplify code storing return
7806 pointer. For large (>=8k) frames with a post_store, adjust stack
7807 pointer by 8k-64 first rather than by 64. When testing with
7808 VAL_14_BITS_P, always use the actual value rather than the value
7809 negated. Add blockage to prevent scheduling of spills before
7810 stack frame has been created.
7811 (hppa_expand_epilogue): Simplify code loading return pointer.
7812 Allow a slightly larger range for merge_sp_adjust_with_load case.
7813 When testing with VAL_14_BITS_P, always use the actual value.
7815 * pa.c (pa_adjust_insn_length): Check that block move
7816 pattern is a set before looking at operands.
7818 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7820 * fold-const.c (fold_binary_op_with_conditional_arg): New
7821 function, split out from ...
7823 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7824 conditional arms that throw exceptions.
7826 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7829 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7831 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7832 define HAVE_DECL_* to 1 to mask potential backup declarations.
7833 * configure: Regenerated.
7835 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7837 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7839 2001-02-17 Richard Henderson <rth@redhat.com>
7841 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7842 when replacing a memory load with a register.
7844 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7845 Jan Hubicka <jh@suse.cz>
7847 * recog.c (validate_replace_src_1): New.
7848 (validate_replace_src_data): Likewise.
7849 (validate_replace_src): Use note_uses.
7850 * rtl.h (note_uses): Declare.
7851 * rtlanal.c (note_uses): New.
7853 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7855 * reg-stack.c (stack_def): Make field reg unsigned.
7856 (remove_regno_note): Unsignetize parameter.
7858 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7860 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7861 shladd_operand() call.
7863 2001-02-16 Bruce Korb <bkorb@gnu.org>
7864 Rodney Brown <RodneyBrown@mynd.com>
7866 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7867 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7868 machine restrictions
7869 * fixinc/fixincl.x: regen
7871 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7873 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7875 (hash_scan_insn): Clean up calls to hash_scan_set.
7876 (compute_kill_rd): REGNO now unsigned.
7877 (try_replace_reg): Rework to use simplify_replace_rtx.
7878 (cprop_jump, cprop_cc0_jump): Likewise.
7879 (cprop_insn): Call find_reg_equal_equiv_note.
7880 Reflect changes to cprop_jump and cprop_cc0_jump.
7882 * recog.c (validate_replace_src): Replace in operands of
7883 ZERO_EXTRACT in SET_DEST.
7885 * cse.c (new_label_ref): New variable.
7886 (insert): Set it instead of recorded_label_ref.
7887 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7888 CODE_LABEL for this function, and not already in REG_LABEL note.
7890 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7892 * resource.c (mark_referenced_resources): Fix typo in introductory
7894 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7897 2001-02-16 Jason Merrill <jason@redhat.com>
7899 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7901 (gen_subprogram_die): Don't abort on seeing a second definition if
7902 the previous one was abstract. Don't replace an abstract instance
7903 in the lookup table.
7905 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7906 gen_abstract_function.
7907 * dwarf2out.h: Declare it.
7908 * toplev.c (note_outlining_of_inline_function): New fn.
7909 * toplev.h: Declare it.
7910 * integrate.c (output_inline_function): Call it.
7911 * c-decl.c (duplicate_decls): Call it when redefining an extern
7912 inline. Don't inline the new defn.
7914 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7916 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7918 * .gdbinit: Rename to gdbinit.in.
7919 * gdbinit.in: New file,
7920 * configure.in: Generate .gdbinit from gdbinit.in.
7921 * configure: Regenerated.
7922 * Makefile.in (distclean): Always remove .gdbinit.
7924 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7926 * objc/objc-act.c (start_class): Register implemented_classes with
7929 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7931 * cppfiles.c (_cpp_make_system_header): Generate a file
7934 2001-02-15 Jim Meyering <meyering@lucent.com>
7936 * Makefile.in (install-common): Don't depend on installdirs here.
7937 Instead, make each of the lang.install-common targets (e.g.,
7938 c++.install-common in cp/Make-lang.in) depend on it.
7939 (install-driver): Depend on installdirs.
7941 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7943 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7945 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7948 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7950 * invoke.texi (--param): Document.
7952 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7954 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7956 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7958 * i386.md (extendsfdf2_2): Fix constraints.
7960 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7962 * i386.md (fop_df_3 splitter): Fix operand number.
7964 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7966 * invoke.texi (-mreg-alloc): Nuke.
7967 * i386.c (ix86_reg_alloc_order, regs_allocated,
7968 order_regs_for_local_alloc): Nuke.
7969 (override_options): Kill reg_alloc code.
7970 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7971 (REG_ALLOC_ORDER): SSE goes before I387.
7972 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7973 (ix86_reg_alloc_order): Likewise.
7974 * i386-protos.h (ix86_reg_alloc_order): Kill.
7976 2001-02-14 Richard Henderson <rth@redhat.com>
7978 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7980 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7982 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7984 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7986 * i386-protos.h (ix86_memory_move_cost): Move offline.
7987 * i386.c (ix86_register_move_cost): Compute properly cost of
7988 SSE, MMX and i387 instructions.
7989 (*_cost): Add costs of SSE/MMX moves.
7990 (ix86_memory_move_cost): Move offline from ....; Likewise.
7991 * i386.h (MEMORY_MOVE_COST): .... here;
7992 (struct processor costs): Add new fields to represent costs
7995 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7997 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7998 move_cost together with Matt Kraai's fix.
8000 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8002 * Makefile.in (OBJS): Add params.o.
8004 2001-02-14 Richard Henderson <rth@redhat.com>
8005 DJ Delorie <dj@redhat.com>
8007 * jump.c (jump_optimize_1): When we delete a conditional jump
8008 preceeding a non-conditional jump to effectively the same place,
8009 make sure that the combined jump skips any clobber insns between
8012 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8014 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8016 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8018 * Makefile.in (toplev.o): Depend on params.h.
8019 (intergate.o): Likewise.
8020 (params.o): New target.
8021 * flags.h (inline_max_insns): Remove.
8022 * integrate.c: Include params.h.
8023 Use MAX_INLINE_INSNS instead of inline_max_insns.
8024 * params.c: New file.
8025 * params.h: Likewise.
8026 * params.def: Likewise.
8027 * toplev.c: Include params.h.
8028 (lang_independent_params): New variable.
8029 (decode_f_option): Use the param machinery instead of setting
8031 (independent_decode_option): Handle "--param name=value".
8032 (main): Register language-independent parameters.
8034 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8036 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8038 2001-02-14 Richard Henderson <rth@redhat.com>
8040 * regclass.c (init_reg_sets_1): Revert last two changes.
8042 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8044 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8045 (variable_size): Call put_pending_size.
8046 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8047 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8048 sizes list, put newly created SAVE_EXPR there as well.
8050 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8052 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8053 (errata_find_address_regs): load_group has only 2 entries.
8054 (errata_emit_nops): Likewise. shladd is not problematic.
8055 Clear last_group if nop was emitted.
8056 (fixup_errata): load_group has only 2 entries.
8059 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8061 * c-lex.c (lex_number): Only warn traditionally for U suffix
8062 outside system macros.
8063 * cppexp.c (parse_number): Similarly.
8064 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8065 * cppmacro.c (struct cpp_macro): New member node.
8066 (parse_args): Only warn about missing rest args if not
8068 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8069 (cpp_sys_objmacro_p): New.
8070 (_cpp_create_definition): Store the node with the macro defn.
8071 Remember if the macro is defined in a system header.
8073 2001-02-13 DJ Delorie <dj@redhat.com>
8075 * configure.in (check_languages): determine languages to check
8076 * Makefile.in (check-c++): alias for check-g++
8077 (check-f77): alias for check-g77
8078 (CHECK_TARGETS): depend on configured languages
8080 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8082 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8083 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8084 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8085 (sqrtextendsfdf2): Disable for SSE2.
8087 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8089 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8090 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8091 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8092 (sqrtextendsfdf2): Disable for SSE2.
8094 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8096 * i386.md (movsfcc_1): Support integer cmove instruction.
8097 (movdfcc_1): Likewise; new splitter.
8099 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8101 * i386.c (output_fp_compare): Support SSE.
8102 (prepare_fp_compare_args): SSE comparisons always support memory.
8103 * i386.h (TARGET_CMOVE): SSE imply cmove.
8104 * i386.md (cmp?f2): Enable for SSE too.
8105 (cmpfp_i*): Support SSE.
8107 (cmpfp_i_sse_only): New.
8108 (s*, b* fp expanters): Enable for SSE too.
8109 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8112 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8114 * regclass.c (init_reg_sets_1): Silence warning.
8116 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8118 * i386.md (sqrt?f2): Change to expander.
8119 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8121 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8123 * rtlanal.c (find_reg_equal_equiv_note): New function.
8124 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8125 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8126 * rtl.h: Add declarations for above functions.
8128 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8130 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8132 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8133 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8134 * flow.c (mark_regs_live_at_end): Likewise.
8135 (calculate_global_regs_live): Likewise.
8136 * gcse.c (compute_hash_table): Likewise.
8137 (compute_kill_rd): Likewise.
8138 * resource.c (mark_target_live_regs): Likewise.
8139 * rtl.h (INVALID_REGNUM): New macro.
8141 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8143 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8145 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8147 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8150 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8152 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8154 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8155 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8156 (fop_sf_1_sse, fop_df_1_sse): New patterns
8157 (fop_*): Disable float_extend and float patterns for SSE compilation.
8158 * i386.c (output_387_binary_op): Support SSE.
8160 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8162 * i386.md (dummy_extendsfdf2): Support SSE2
8163 (extendsfdf2): Enable if 80387 or SSE2.
8164 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8165 and no MIX_I387_SSE2
8166 (extendsfdf2_1_sse_only): New pattern.
8167 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8169 (truncdfsf2_1): Support SSE.
8170 (truncdfsf2_2): Support SSE.
8171 (truncdfsf2_2_1_sse): New pattern.
8172 (fixtruncsfsi2): Always use SSE if available.
8173 (fix_truncsfsi_sse): New pattern.
8174 (fix_truncdfsi_sse): New pattern.
8175 (floatsis?f2): Support SSE.
8176 (floatsidf2_i387): New pattern.
8177 (floatsidf2_sse): Likewise.
8179 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8181 * configure.in: Use "have_gnat" variable, not "gnat".
8182 * configure: Regenerated.
8184 * config/sparc/sparc.c (function_value): Treat all non-record
8185 aggregate types like used to treat UNION_TYPE.
8187 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8189 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8190 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8192 (MASK_MIX_SSE_I387): New.
8193 (TARGET_SSE): SSE2 imply SSE.
8194 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8195 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8196 (enum reg_class): Add new classes.
8197 (REG_CLASS_NAMES): Likewise.
8198 (REG_CLASS_CONTENTS): Likewise.
8199 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8200 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8201 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8202 (CLASS_MAX_NREGS): Use new macros.
8203 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8204 * i386.md (pushsf, movsf): Support SSE.
8205 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8206 splitters to use ANY_FP_REGNO_P.
8207 (movdf_nointeger, movdf_integer): Likewise.
8209 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8211 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8212 (try_combine): Use it.
8214 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8216 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8217 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8218 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8219 (REGISTER_MOVE_COST): Likewise.
8220 * i386-protos.h (ix86_secondary_memory_needed,
8221 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8222 * i386.c (ix86_secondary_memory_needed,
8223 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8225 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8227 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8228 (HARD_REGNO_MODE_OK): Move offline to ....
8229 * i386.c (ix86_hard_regno_mode_ok) ... here;
8230 refuse all incorrect modes.
8231 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8233 2001-02-13 Richard Henderson <rth@redhat.com>
8235 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8236 entire operator; replicate that and match_dup the operands.
8237 (cmp_ccx_arith_op_set): Likewise.
8238 (cmp_cc_arith_op_not_set): Likewise.
8239 (cmp_ccx_arith_op_not_set): Likewise.
8241 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8243 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8245 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8247 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8248 (TARGET_NO_BITFIELD_WORD): New macro.
8249 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8250 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8252 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8254 * cselib.c: New file, from simplify-rtx.c.
8255 * simplify-rtx.c: Remove cselib parts.
8256 * Makefile.in: Add cselib.o.
8258 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8260 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8261 (setup_incoming_varargs): Remove warning.
8263 * config/rs6000/rs6000.c (validate_condition_mode): When
8264 flag_fast_math, allow floating-point conditionals to be reversed.
8265 (rs6000_generate_compare): When flag_fast_math, don't generate
8266 cror operations for FP conditionals.
8268 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8270 (ASM_SPEC): Likewise.
8271 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8272 (CC1_SPEC): Likewise.
8273 (LINK_TARGET_SPEC): Likewise.
8274 (CPP_ENDIAN_SPEC): Likewise.
8275 * Makefile.in (check-consistency): New target.
8277 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8279 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8280 "return type defaults" warning for functions with return type
8282 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8283 function declarations by default rather than only when pedantic.
8285 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8287 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8290 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8292 * extend.texi (Deprecated): Deprecate new initializer lists.
8294 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8296 * mkdeps.c (deps_add_default_target): Robustify. Add
8297 basename component only.
8298 * cpp.texi (-M): Describe how default target is generated.
8299 * invoke.texi (-M): Likewise.
8301 2001-02-12 Kazu Hirata <kazu@hxi.com>
8303 * toplev.c (push_float_handler): Remove.
8304 (pop_float_handler): Remove.
8305 * toplev.h: Remove prototypes for the above functions.
8307 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8309 * c-common.c (constant_fits_type_p): New function.
8310 (convert_and_check): Use it.
8312 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8314 * Makefile.in (GXX_ABI_FLAG): Don't define.
8315 * configure.in (--enable-new-gxx-abi): Remove option.
8316 * config.in: Regenerated.
8317 * configure: Likewise.
8319 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8321 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8323 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8324 regular basic block, and arrange for all edges into it to switch
8327 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8329 * Makefile.in (distclean): Do not remove .gdbinit.
8331 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8333 * Makefile.in (gcc.o): Fix typos.
8334 (protize.o): Likewise.
8335 (unprotoize.o): Likewise.
8337 2001-02-11 Richard Henderson <rth@redhat.com>
8339 * tree.c (build1): Check for null operand in last change.
8341 2001-02-11 Richard Henderson <rth@redhat.com>
8343 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8344 (fold): Don't assume a constant isn't foldable.
8345 * tree.c (build): Set TREE_CONSTANT for an expression with no
8346 side-effects and constant operands.
8349 2001-02-10 Richard Henderson <rth@redhat.com>
8351 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8353 2001-02-10 Anthony Green <green@redhat.com>
8355 * cpp.texi (Standard Predefined): Add documentation for
8358 * c-common.c (combine_strings): Improve warning message.
8360 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8362 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8364 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8366 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8368 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8371 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8373 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8376 2001-02-09 Nick Clifton <nickc@redhat.com>
8378 * config/arm/arm.md: Change output contraint on post inc
8379 load/store multiple patterns to be a read/write contraint.
8381 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8383 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8384 .o files when using the -M options.
8386 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8387 David Edelsohn <edelsohn@gnu.org>
8389 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8390 handle DImode constants. Use one TOC entry for SImode and smaller
8391 constants, aligned properly.
8393 2001-02-08 Jason Merrill <jason@redhat.com>
8395 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8396 about the SP adjustment for saving the static chain pointer.
8397 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8398 offset when setting a temporary CFA register.
8400 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8402 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8403 powerpc-*-chorusos* .
8404 * config/rs6000/chorus.h : New file.
8405 * config/i386/chorus.h : New file.
8406 * config/sparc/chorus.h : New file.
8407 * config/sparc/t-chorus-elf : New file.
8409 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8411 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8412 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8413 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8414 (__WCHAR_TYPE__): Correct macro name.
8416 2001-02-08 Richard Henderson <rth@redhat.com>
8418 * config/i386/i386.c (ix86_frame_pointer_required): New.
8419 (ix86_setup_frame_addresses): New.
8420 (struct machine_funciton): Add accesses_prev_frame.
8421 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8422 ix86_frame_pointer_required.
8423 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8424 (SETUP_FRAME_ADDRESSES): New.
8425 * config/i386/i386-protos.h: Update.
8426 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8427 from FRAME_POINTER_REQUIRED.
8428 * config/i386/svr3gas.h: Likewise.
8429 * config/i386/sysv3.h: Likewise.
8430 * config/i386/v3gas.h: Likewise.
8432 2001-02-08 Richard Henderson <rth@redhat.com>
8434 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8435 calculation of the number of integer registers required.
8436 (function_arg_record_value): Likewise.
8438 2001-02-08 Jason Merrill <jason@redhat.com>
8440 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8441 two. Print file and line with "confused" message.
8443 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8445 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8447 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8449 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8451 * final.c (cleanup_subreg_operands): The address of a MEM can
8454 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8457 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8459 * gcc.texi (Incompatibilities): Update documentation of
8460 preprocessing numbers.
8462 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8464 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8466 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8468 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8470 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8471 * gcc.c (struct compiler): Add cpp_spec field.
8472 (input_file_compiler): New variable.
8473 (do_spec_1): Allow a particular compiler to handle `%C'
8475 (main): Store the current compiler in input_file_compiler.
8476 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8478 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8480 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8481 * cppinit.c (cpp_create_reader): Initialize them.
8482 (append_include_chain): cxx_aware arg might be unused.
8483 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8484 keywords and give them their phase 7 meaning. Pedwarn about
8485 this unless '__bool_true_false_are_defined' is defined.
8487 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8489 * lcm.c (optimize_mode_switching): Emit mode_set before the
8490 JUMP_INSN of an abnormal edge.
8492 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8494 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8495 a scheduling barrier at the end.
8497 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8499 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8501 * config/sh/sh.md (reload_outsf): Removed.
8502 (movsf_ie): Introduce constraints for FPUL loads and stores.
8503 (reload_insf): Broaden the output constraint.
8505 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8507 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8508 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8510 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8512 * final.c: Revert my previous changes.
8513 * output.h: Make profile_label_no extern.
8514 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8515 for generating label.
8517 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8519 * config/i386/djgpp.h: Add comments about standard paths.
8520 (MD_EXEC_PREFIX): Undefine before defining.
8521 (MD_STARTFILE_PREFIX): New.
8523 2001-01-30 Bruce Korb <bkorb@gnu.org>
8525 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8526 (load_file): do not rely on load_file_data() to close file pointer
8527 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8528 fixinc/inclhack.def(irix_limits_const): add test_text
8530 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8532 * cppexp.c (parse_defined): Improve diagnostics for invalid
8535 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8537 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8539 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8541 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8542 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8543 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8544 (rs6000_output_symbol_ref): New function.
8545 (output_toc): Use VTABLE_NAME_P.
8547 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8549 * print-tree.c (print_node, case PARM_DECL):
8550 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8552 * stor-layout.c (reference_types_internal): New variable.
8553 (internal_reference_types): New function.
8554 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8555 * tree.h (internal_reference_types): New declaration.
8557 * cse.c (find_best_addr): Fix typo in computing cost.
8559 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8561 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8562 and this is the sum of a pointer and a constant, we know the result
8564 (num_sign_bit_copies, case PLUS): Likewise.
8565 * explow.c (convert_memory_address): Remove opposite SUBREG.
8566 * function.c (instantiate_new_reg): New function (from common code).
8567 (instantiate_virtual_regs_1): Call it.
8568 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8569 if pointers sign- or zero-extend.
8570 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8571 If pointers extend unsigned, use inside of SUBREG.
8572 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8574 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8576 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8577 subdir of gcc_gxx_include_dir.
8578 (gcc_gxx_target_include_dir): Remove.
8580 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8582 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8583 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8584 a high-level description.
8586 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8588 * final.c: Move the declaration of profile_label_no to ...
8589 * output.h: ... here.
8590 * function.c (expand_function_start): Call PROFILE_HOOK.
8591 * config/rs6000/aix.h: Define PROFILE_HOOK.
8592 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8593 * config/rs6000/rs6000.c (output_profile_hook): Define.
8594 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8595 output_profile_hook.
8596 tm.texi : Explain new macro PROFILE_HOOK.
8598 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8600 * extend.texi (Extended Asm): Do not say that semicolon is always
8601 a valid line-breaking character for GNU assemblers. Use
8602 newline-tab as the most commonly supported syntax. Use
8603 newline-tab rather than semicolon in multi-insn examples.
8605 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8607 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8609 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8610 David Edelsohn <edelsohn@gnu.org>
8612 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8613 code for AIX, even without flag_pic.
8615 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8617 * c-typeck.c (common_type): push and pop binding level around
8618 calling common_type on function parameters.
8620 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8622 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8624 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8626 * config/mips/mips.c (override_options): Fix typo in last change.
8627 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8628 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8630 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8632 * invoke.texi (-fdump-class-layout): Document.
8633 (-fdump-translation-unit): Use `=' as filename separator.
8635 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8637 * Makefile.in (s-mlib): Don't build multilibs if
8639 (DRIVER_DEFINES): Adjust accordingly.
8641 (protoize.o): Likewise.
8642 (unprotoize.o): Likewise.
8643 * configure.in: Recognize --enable-multilib.
8645 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8647 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8649 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8650 * configure.in: Remove --enable-libstdcxx_v3 support.
8651 * configure: Regenerated.
8653 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8655 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8656 Call abort instead of fatal.
8657 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8658 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8659 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8660 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8661 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8662 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8664 * diagnostic.h (set_internal_error_function): Renamed.
8665 * toplev.h (internal_error): Renamed from fatal.
8666 (pfatal_with_name): Deleted.
8667 (fatal_io_error): Now has printf-style arguments.
8668 * diagnostic.c (pfatal_with_name): Deleted.
8669 (fatal_io_error): Rework to have args in printf-style.
8670 (set_internal_error_function): Renamed from set_fatal_function.
8671 (internal_error): Renamed from fatal.
8672 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8673 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8674 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8675 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8676 * flow.c (verify_flow_info): Likewise.
8677 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8678 * config/mips/mips.c (save_restore_insns): Likewise.
8680 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8681 * flow.c (verify_flow_info): Likewise.
8682 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8683 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8684 (avr_normalize_condition): Likewise.
8685 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8686 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8687 (limit_reload_class, double_reg_to_memory): Likewise.
8688 (print_operand_address, emit_1600_code_shift): Likewise.
8689 (gen_tst_reg, gen_compare_reg): Likewise.
8690 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8691 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8693 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8695 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8696 * objc/objc-act.c (build_ivar_chain): Likewise.
8697 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8699 * graph.c (clean_graph_dump_file): Likewise.
8700 * profile.c (init_branch_prob): Likewise.
8701 * objc/objc-act.c (objc_init): Likewise.
8703 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8704 * config/avr/avr.c (avr_override_options): Likewise.
8705 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8706 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8707 * config/h8300/h8300.c (h8300_init_once): Likewise.
8708 * config/mips/mips.c (override_options): Likewise.
8709 * config/i386/i386.c (override_options): Likewise, rework.
8710 * config/m68k/m68k.c (override_options): Likewise.
8712 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8714 * config/mips/mips.c (print_operand): Likewise.
8715 * hash.c (hash_allocate): Don't check for failure returns from
8716 obstack functions that can't fail.
8717 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8718 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8719 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8720 (get_object_reference): Likewise.
8722 2001-02-04 Nick Clifton <nickc@redhat.com>
8724 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8725 StrongARM1110, 10TDMI, and 1020T.
8727 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8729 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8731 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8733 * config/sh/sh.md (movdf load split): Pass register number to
8734 FP_OR_XD_REGISTER_P.
8736 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8738 * cppinit.c (BC): New macro.
8739 (builtin_array): Add __GXX_WEAK__.
8740 * cpplib.h (builtin_type): Add BT_WEAK.
8741 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8742 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8743 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8745 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8747 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8749 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8751 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8752 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8754 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8756 * cpphash.h: Rename ALIGN _ALIGN.
8757 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8759 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8761 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8762 compilation environment.
8763 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8764 control over location of cygwin includes and libs.
8766 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8768 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8770 2001-02-02 lars brinkhoff <lars@nocrew.org>
8772 * md.texi (Standard Names): remove reference to spur.md.
8774 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8776 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8777 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8778 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8779 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8780 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8782 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8784 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8785 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8786 number before reload.
8787 (c4x_adjust_cost): Return zero before reload.
8788 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8789 split before reload.
8791 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8793 * c4x.c (c4x_hard_regno_rename_ok): New.
8794 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8795 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8797 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8799 * diagnostic.h: Add missing "extern" in all declarations.
8801 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8803 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8804 as for gcc_gxx_include_dir.
8806 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8808 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8810 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8812 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8813 label before alignment to be used as the braf base address.
8814 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8816 (casesi_jump_2): Require at least TARGET_SH2.
8818 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8819 truncation to 32-bit doubles on -m3e and -m4-single-only.
8821 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8823 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8824 the default when building a shared object.
8825 (init_spec): Use it.
8826 * testsuite/lib/g++.exp: Include the directory where libgcc
8827 is located to the LD_LIBRARY_PATH list.
8828 * invoke.texi (-shared-libgcc): Document the cases in which
8829 GCC defaults to using the shared libgcc.
8831 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8833 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8834 unsigned is wide enough.
8836 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8837 (si_to_float): Likewise.
8838 (float_to_si, float_to_usi): Use BITS_PER_SI.
8840 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8842 * dwarf2out.c: Added explanation of abbreviations.
8843 (def_cfa_1): Added comments listing DWARF2 instructions.
8844 (cfa_temp_reg): Removed in favor of cfa_temp.
8845 (cfa_temp_value): Removed in favor of cfa_temp.
8846 (cfa_temp): New global variable.
8847 (dwarf2out_frame_debug_expr): Added extensive introductory
8848 comments explaining the function's transformations. Revised to
8849 use cfa_temp. Added some rtx checking. Generalize IOR case.
8850 (dwarf2out_frame_debug): Revised to use cfa_temp.
8851 (output_aranges): Cast as "unsigned" to avoid warning.
8852 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8853 explain which instructions must be marked.
8855 2001-02-01 Richard Henderson <rth@redhat.com>
8857 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8860 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8862 * config/sh/crt1.asm (main_k): Modified so that start calls
8863 ___setup_argv_and_call_main.
8865 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8867 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8868 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8869 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8870 * cppmacro.c (builtin_macro): Set builtin flags here.
8871 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8872 (replace_args): Clarify intent.
8873 (cpp_get_token): Macro expansion tokens get the saved flags.
8875 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8878 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8880 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8883 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8885 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8886 returns Pmode pseudo, but we need ptr_mode.
8887 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8888 Remove bogus conversions; use HOST_WIDE_INT for size.
8889 Don't use TARGET if wrong mode.
8891 * config/i386/i386.c (ix86_compute_frame_size): Allow
8892 stack_alignment_needed to be non-default even if size is zero.
8894 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8896 * pa.c (hppa_init_pic_save): New function.
8897 * pa.h (hppa_init_pic_save): Declare.
8898 * pa.md (call, call_value, sibcall, sibcall_value): Use
8899 the above instead of duplicated code.
8901 * pa.c (hppa_encode_label): Correct size of alloca buffer
8902 so we don't overrun it. Correct leading `*' case.
8903 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8904 need to handle `*@'.
8905 (FUNCTION_NAME_P): Likewise.
8907 2001-01-31 Richard Henderson <rth@redhat.com>
8909 * config.gcc (alpha-osf5): Use float-i128.h.
8911 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8912 * config/float-i32.h: Likewise.
8913 * config/float-i64.h: Likewise.
8914 * config/float-sh.h: Likewise.
8915 * config/float-sparc.h: Likewise.
8917 2001-01-31 DJ Delorie <dj@redhat.com>
8919 * expmed.c (extract_bit_field): allow non-integral modes if we
8920 want to extract a whole register from itself.
8922 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8924 * c-typeck.c (set_init_index): If first is equal to last, assume as
8925 if it was not a range at all.
8927 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8929 * config/fp-bit.c: Include tm.h.
8930 (float_to_si): Don't assume SImode is 32-bits wide.
8931 (float_to_usi): Likewise.
8933 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8935 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8937 (typename): Call pending_xref_error after parsing typed_typespecs.
8938 * c-decl.c (lookup_tag): Give error immediately rather than
8939 leaving it pending if the tag of the wrong type is in the same
8941 (xref_tag): Don't pedwarn for forward declarations of enum types
8943 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8946 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8948 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8950 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8952 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8953 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8955 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8957 * cpphash.h (struct cpp_reader): New saved_flags.
8958 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8959 to avoid a paste after a pasted token.
8961 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8963 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8964 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8965 Wtype_MIN instead of LONG_MIN.
8967 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8969 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8971 * fixinc/fixincl.x: Regenerated.
8972 * fixinc/inclhack.def (irix_limits_const): New definition to
8973 convert "const" to "__const" in limits.h.
8975 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8977 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8979 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8981 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8982 when register dies in the insn.
8984 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8986 * diagnostic.c (fatal): Fix word wrap.
8988 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8990 * combine.c (try_combine): Fix SUBREG setting for
8991 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8993 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8995 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8998 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9000 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9002 * toplev.c (decode_W_option): Update warn_larger_than
9003 unconditionally for each processed switch.
9005 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9007 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9009 (hppa_expand_prologue): Delete code to save pic offset table register
9010 in the function prologue.
9011 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9012 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9013 table register at the beginning of the function after the prologue.
9015 2001-01-29 lars brinkhoff <lars@nocrew.org>
9017 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9019 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9020 Jeff Law <law@redhat.com>
9022 * pa.md (return): Revise comment for trivial return.
9023 (return_internal): Non-trivial return pattern for non-PIC code.
9024 (return_internal_pic): Non-trivial return pattern for PIC code.
9025 It uses the PIC register to ensure it is restored after
9027 (epilogue): Generate appropriate return for PIC and non-PIC code.
9029 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9031 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9033 2001-01-29 DJ Delorie <dj@redhat.com>
9035 * combine.c (if_then_else_cond): Pass the correct mode to
9036 operand_subword() for constants.
9038 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9040 * config/i386/cygwin.h: Add w32api to include search. Search different
9041 directories in a cross-build environment.
9043 2001-11-29 Tim Josling <tej@melbpc.org.au>
9045 * tree.h (TYPE_STUB_DECL): Add documentation.
9047 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9049 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9050 (sdbout_field_types): Likwise. Fix use of host_integerp.
9052 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9054 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9057 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9059 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9060 to use flag_gnu_linker.
9062 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9064 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9065 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9067 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9069 * tree.c, tree.h (build_parse_node): Remove; was identical to
9071 * c-lang.c (start_cdtor), objc/objc-act.c
9072 (build_module_descriptor): Use build_nt instead of
9075 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9077 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9078 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9079 not have any upper bits set.
9081 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9083 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9085 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9087 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9089 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9091 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9092 (integer_minus_one_node): Define.
9094 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9096 * Makefile.in (bootstrap2-lean): Fix typo.
9098 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9100 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9101 : Don't set fe_value.
9102 * cpplib.h (AVOID_LPASTE): New flag.
9103 (struct cpp_hashnode): Remove fe_value.
9104 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9105 * cppmacro.c (builtin_macro): Don't set flags here.
9106 (replace_args): Set AVOID_LPASTE flag on first token of an
9107 argument, and the token following it.
9108 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9109 macro expansion, and on the token following it. Do it for
9111 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9113 2001-01-27 Richard Henderson <rth@redhat.com>
9115 * config/alpha/t-ieee: Remove multilibbing.
9116 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9118 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9120 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9122 * Makefile.in: Remove all dependencies on defaults.h.
9123 * builtins.c: Don't include defaults.h.
9124 * c-common.c: Likewise.
9125 * c-decl.c: Likewise.
9126 * c-pragma.c: Likewise.
9127 * c-typeck.c: Likewise.
9128 * combine.c: Likewise.
9130 * frame-ia64.c: Likewise.
9131 * cppexp.c: Likewise.
9132 * crtstuff.c: Likewise.
9133 * dbxout.c: Likewise.
9134 * dwarf2out.c: Likewise.
9135 * dwarfout.c: Likewise.
9136 * emit-rtl.c: Likewise.
9137 * except.c: Likewise.
9139 * final.c: Likewise.
9140 * frame-dwarf2.c: Likewise.
9141 * libgcc2.c: Likewise.
9142 * optabs.c: Likewise.
9143 * profile.c: Likewise.
9144 * sdbout.c: Likewise.
9145 * toplev.c: Likewise.
9146 * tradcif.y: Likewise.
9148 * varasm.c: Likewise.
9150 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9152 * builtins.c (expand_builtin_fputs): Use size_one_node when
9153 transforming into fwrite.
9155 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9157 * extend.texi (Attribute Syntax): New section.
9159 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9161 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9162 they didn't need fixing.
9164 2001-01-27 Janis Johnson <janis@us.ibm.com>
9166 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9168 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9169 to remove macro definitions that are duplicated from elfos.h.
9171 2001-01-27 Richard Henderson <rth@redhat.com>
9173 * config/i386/sco5gas.h: Move ...
9174 * config/usegas.h: ... here.
9175 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9177 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9179 * c-typeck.c (struct constructor_stack): Add range_stack member.
9180 (really_start_incremental_init): Clear it.
9181 (push_init_level): Save constructor_range_stack and clear it if
9182 pushing explicit braces.
9183 (pop_init_level): abort if constructor_range_stack is non-zero at
9184 explicit closing brace. Restore saved constructor_range_stack if
9187 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9189 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9190 into register was forced into memory.
9192 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9194 * Makefile.in: Remove uses of + before $(MAKE).
9196 2001-01-26 Richard Henderson <rth@redhat.com>
9198 * stmt.c (cost_table): Remove.
9199 (COST_TABLE, cost_table_initialized): New.
9200 (estimate_case_costs): Use the later instead of the former.
9201 (balance_case_nodes): Likewise.
9203 2001-01-26 Richard Henderson <rth@redhat.com>
9205 * alias.c (objects_must_conflict_p): Read-only slots may not
9206 conflict despite having the same type.
9208 2001-01-27 Michael Hayes <mhayes@redhat.com>
9210 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9212 (check_ext_dependant_givs): Initialise u_start_val and
9214 (load_mems): Make last_max_reg unsigned.
9215 (try_swap_copy_prop): Use INSN_P and initialise set.
9217 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9219 * README.AVR : Removed.
9221 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9223 * pa-64.h (text_section): Remove declaration.
9225 * pa.md (return_internal): Remove mode on PIC register use.
9227 2001-01-25 lars brinkhoff <lars@nocrew.org>
9229 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9230 ASM_CLOSE_PAREN): fix typos.
9232 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9234 * acconfig.h: Define `const' to the empty string if neither
9235 __STDC__ nor __cplusplus is defined.
9236 * config.in: Regenerated.
9238 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9240 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9241 * collect2.c (main): Delete importf. Add ".obj" file extension.
9242 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9243 (aix_std_libs): Add additional AIX libraries to skip.
9244 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9245 * config/rs6000/aix51.h: New file.
9247 2001-01-25 Michael Hayes <mhayes@redhat.com>
9249 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9250 (loop_insn_emit_before): No longer static.
9251 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9252 (loop_givs_rescan, load_mems): Likewise.
9253 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9254 (maybe_eliminate_biv_1):
9255 (move_movables): Replace emit_call_insn_before with
9256 loop_call_insn_hoist.
9257 * loop.h (loop_insn_emit_before): Add.
9258 * unroll.c (copy_loop_body): Replace emit_insn_before with
9259 loop_insn_emit_before.
9261 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9263 * diagnostic.c (fatal): Request preprocessed source.
9265 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9267 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9268 olddecl has argument types and newdecl has none, use the argument
9271 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9273 * dwarf2out.c (prefix_of): New function. Determine longest common
9274 prefix of the two arguments. The units are whole path components.
9275 (output_file_names): When adding a new directory find the one entry
9276 with the longest common prefix already in the list. Artificially
9277 generate entry if there is none for this prefix.
9278 Fix test to check whether the zeroth directory entry is used.
9280 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9282 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9283 Changed all callers. Take it into account when deciding if a
9284 previously loaded value matches.
9286 2001-01-24 Richard Henderson <rth@redhat.com>
9288 * reload.c (find_reloads_subreg_address): Fail the substitution
9289 if the resulting address is insufficiently aligned.
9291 2001-01-24 DJ Delorie <dj@redhat.com>
9293 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9294 check the original operand's mode also.
9295 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9297 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9299 * c-parse.in (cast_expr): Move compound literals from here ...
9300 (primary): ... to here. Use standard terminology "compound
9301 literal" instead of "constructor expression".
9303 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9305 * gcc.1, cpp.1: Regenerate.
9307 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9309 * calls.c (emit_library_call_value_1): Memory slot for
9310 pass-by-reference argument should have the mode of the argument,
9311 not of the pointer to it.
9313 2001-01-24 Tom Tromey <tromey@redhat.com>
9315 * gcc.texi (G++ and GCC): Mention gcj manual.
9316 (Standards): Link to section of manual mentioning gcj/Java
9319 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9321 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9322 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9323 * tradcpp.c (main): Add -imacros or -include'd dependencies
9325 * cpp.texi (-M, -MM): Document -M -include behaviour.
9327 2001-01-24 Roger Collins <roger@ProProject.com>
9329 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9331 2001-01-24 Will Cohen <wcohen@redhat.com>
9333 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9334 whether registers are 32 bits or 64 bits in size.
9336 2001-01-24 Ben Elliston <bje@redhat.com>
9338 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9340 2001-01-24 Richard Henderson <rth@redhat.com>
9342 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9343 (builtin_longjmp): Use it instead of emit_indirect_jump.
9345 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9347 * bb-reorder.c (make_reorder_chain_1): Handle case where
9348 jump edge goes to the same block as the fallthru edge.
9350 2001-01-23 Jim Wilson <wilson@redhat.com>
9352 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9353 * frame.h (__ia64_personality_v1): Add prototype.
9354 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9355 prototype form. Add void * cast to first argument to personality
9357 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9358 (asctoe113): Likewise.
9359 * config/ia64/frame-ia64.c: Include eh-common.h.
9360 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9362 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9364 (itanium_split_issue): Add prototype.
9365 (gen_nop_type): Ifdef out.
9366 (find_best_packet): Initialize best_packet.
9367 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9369 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9370 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9371 (flushrs): Add explicit stop bit at end.
9372 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9375 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9377 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9379 * libgcc2.c (__terminate_func): Make variable static.
9380 (__terminate_set_func): New function to set __terminate_func.
9381 * libgcc2.h (__terminate_func_ptr): New typedef.
9382 (__terminate_set_func): New function.
9384 2001-01-23 Richard Henderson <rth@redhat.com>
9386 * flow.c (init_propagate_block_info): Don't consider unchanging
9387 memories for dead frame store elimination.
9389 2001-01-23 Richard Henderson <rth@redhat.com>
9391 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9392 * defaults.h: ... here.
9394 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9396 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9398 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9400 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9402 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9404 * rs6000.h (rs6000_return_addr): Move prototype from here...
9405 * rs6000-protos.h (rs6000_return_addr): ...to here.
9406 (rs6000_init_expanders): Delete prototype.
9408 2001-01-23 Nick Clifton <nickc@redhat.com>
9410 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9411 (Spec Files): Document %B and %j and %. and %v3 and %M and
9412 %{S*&T} spec switches.
9414 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9416 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9418 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9419 Neil Booth <neil@daikokuya.demon.co.uk>
9421 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9422 Have -Werror make pedantic warnings errors, like the
9425 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9427 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9429 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9431 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9432 * integrate.c (expand_inline_function): Initialize them.
9433 (subst_constants): If changing COMPARE so that both its arguments
9434 will be VOIDmode and the comparison mode will be lost, note
9435 compare_mode. Use the recorded compare_mode to optimize
9438 2001-01-23 Jason Merrill <jason@redhat.com>
9440 * dwarf2out.c (new_die): Use xcalloc.
9441 (output_die): Abort rather than emit a local reference to offset 0.
9443 2001-01-17 Andrew Haley <aph@redhat.com>
9445 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9446 of a saved register; return NULL instead.
9447 (copy_reg): Take a pointer to a source register rather than a
9449 (next_stack_level): Remember the address in the stack frame of all
9451 Use the saved register pointer array as the source of the CFA.
9452 (throw_helper): Rewrite. Unwind once rather than twice and keep
9453 track of saved registers as we go.
9455 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9457 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9458 * c4x.c (c4x_legitimize_reload_address): Remove.
9459 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9460 reload address for ldp(k) insn.
9462 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9464 * pa.md (return_internal): Add a USE of the PIC register to ensure
9465 it is restored after each call.
9466 (return expander): Corresponding changes.
9468 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9470 * rs6000.h (INIT_EXPANDERS): Delete.
9471 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9472 * rs6000.c (rs6000_override_options): Call *_machine_status from
9474 (rs6000_init_expanders): ...instead of here. Delete.
9475 (rs6000_mark_machine_status): New function.
9476 (rs6000_init_machine_status): Use xcalloc.
9477 (rs6000_return_addr): Generate RTX for the return address.
9478 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9479 (rs6000_stack_info): Use it.
9481 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9483 * gthr-win32.h: Include errno.h to get a declaration for
9484 EINVAL and _mingw.h if the target is mingw32.
9486 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9488 * cpp.texi: Correct typos.
9490 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9492 * explow.c (probe_stack_range): Ensure value passed to
9493 stack_check_libfunc is ptr_mode, not Pmode.
9495 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9497 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9498 case, don't use operand_subword to calculate a SUBREG that is
9501 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9503 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9505 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9506 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9507 valid. If not replace it by equivalent insns.
9509 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9511 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9512 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9513 (c4x_U_constraint, symbolic_address_operand): Likewise.
9514 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9516 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9517 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9518 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9519 anulling slot because of silicon bug.
9520 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9522 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9524 * cppexp.c (parse_charconst): Change `mask' type to agree
9527 2001-01-21 Richard Henderson <rth@redhat.com>
9529 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9530 pic_label_name in a linkonce section.
9532 2001-01-17 Philipp Thomas <pthomas@suse.de>
9534 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9536 * configure: Regenerate.
9538 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9540 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9541 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9543 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9545 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9546 If REVERSE nonzero then condition code in X must be reversed.
9547 (encode_section_info): Optimise if/else.
9548 (avr_function_value): Fix formatting.
9550 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9551 (difficult_branch): Likewise.
9552 (rvbranch): Likewise.
9553 (difficult_rvbranch): Likewise.
9555 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9557 * config/avr/libgcc.S: Fix comment.
9559 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9561 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9563 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9565 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9567 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9569 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9570 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9571 * configure, config.in: Regenerate.
9572 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9573 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9574 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9575 (doprint.o): New rule.
9577 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9579 * c-typeck.c (digest_init): Handle boolean types as scalars.
9581 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9583 * stmt.c (expand_return): Don't return anything if size is zero.
9584 Delete redundant assignment to BYTES.
9585 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9587 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9589 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9590 the same as the default library function names.
9591 * config/avr/avr.md: Document special characters after '%'.
9592 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9593 knowing which of the call-used registers are really clobbered.
9594 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9595 New. Both quotient and remainder from one libgcc.S call.
9596 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9597 clobber as few registers as possible.
9598 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9600 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9602 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9603 context of the top of the stack.
9605 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9607 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9608 (fixup_var_refs_insns): ...here.
9610 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9612 * function.c (fixup_var_refs_insns): Break up into
9613 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9614 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9615 [loop over hash table entries].
9616 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9617 fixup_var_refs_insns_with_hash, to match above changes.
9619 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9621 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9622 (libgcc.a): Likewise.
9623 (stmp-multilib): Likewise.
9624 (STAGE2_FLAGS_TO_PASS): Likewise.
9626 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9628 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9629 temporary if no_new_pseudos.
9631 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9633 * cppinternals.texi: Update.
9635 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9637 * arm.c (arm_init_builtins): Re-enable builtins.
9639 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9641 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9642 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9643 element to be null, and always expect an EXPR_LIST.
9644 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9645 * sched-deps.c (sched_analyze_1): Likewise.
9646 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9648 * regclass.c (max_set_parallel): New variable.
9649 (reg_scan): Take it into account in computation of max_parallel.
9650 (reg_scan_mark_refs, case SET): Compute it.
9652 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9654 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9655 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9657 2001-01-19 Jason Merrill <jason@redhat.com>
9659 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9660 for the abstract instance of an inline function.
9662 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9663 J"orn Rennecke <amylaar@redhat.com>
9665 * reload1.c (move2add_note_store): Treat all registers directly or
9666 indirectly derived from a base register as members of the same set
9668 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9669 of base register into account.
9671 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9673 * alias.c (find_base_value): Recognize TRUNCATE.
9674 (record_set): In PLUS case, invalidate if other summand is also a
9677 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9679 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9680 entry to be EXPR_LIST.
9681 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9682 be an EXPR_LIST (but not null, which other code doesn't allow).
9683 (note_stores): Properly handle PARALLEL in SET.
9684 Recursively call for top-level PARALLEL.
9685 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9686 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9688 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9690 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9692 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9693 not pfile->skipping (== 0).
9695 2001-01-17 Nick Clifton <nickc@redhat.com>
9697 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9700 2001-01-17 Jim Wilson <wilson@redhat.com>
9702 * invoke.texi (IA-64 options): Improve.
9704 2001-01-17 Tom Tromey <tromey@redhat.com>
9706 * invoke.texi (Optimize Options): Use `{}' to around @samp
9709 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9711 * invoke.texi (-fno-guess-branch-probability): New option.
9713 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9715 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9716 case of making new double-word constant.
9717 Revert last change: instead just test i3_subst_into_i2.
9719 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9721 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9722 Use q constraints instead of r.
9724 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9726 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9727 (machine_function): Define.
9728 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9729 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9730 pa_free_machine_status): New functions.
9731 (override_options): Set {init,mark,free}_machine_status to above.
9732 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9733 PIC_OFFSET_TABLE_REGNUM_SAVED.
9734 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9735 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9736 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9737 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9738 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9740 2001-01-15 DJ Delorie <dj@redhat.com>
9742 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9746 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9748 * flow.c (propagate_one_insn): Make trying to delete a prologue
9749 or epilogue insn an ICE, not a warning. Allow doing this if
9750 the current function returns with stack pointer depressed.
9752 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9753 I3 having more than one SET.
9755 2001-01-16 Jim Wilson <wilson@redhat.com>
9757 * invoke.texi: Document IA-64 options.
9759 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9760 (fixup_errata): Delete TARGET_A_STEP use.
9761 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9762 (TARGET_SWITCHES): Delete -ma-step option.
9763 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9764 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9765 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9766 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9767 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9768 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9770 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9771 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9772 cmovsi_internal): Delete ! TARGET_A_STEP check.
9774 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9776 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9777 possibility to report bugs via postal mail. Change a URL and
9778 merge in a nearly duplicate statement...
9779 (Bug Reporting): ...from here.
9780 (Service): Refer to the Bug Reporting section instead of
9782 (Contributing): Remove trivial explanations concerning snapshots.
9784 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9786 * cppmain.c (general_init): Don't use ANSI prototype.
9788 2001-01-16 Tom Tromey <tromey@redhat.com>
9790 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9792 2001-01-16 Richard Henderson <rth@redhat.com>
9794 * config/i386/i386.h: Fix comment typo.
9795 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9796 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9798 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9800 * gcc.c: Revert previous -fsyntax-only-related change; move
9803 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9805 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9806 inmode after checking GET_CODE (op).
9808 2001-01-16 Richard Henderson <rth@redhat.com>
9810 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9811 (MAX_MEM_SET_LIST_LEN): New.
9812 (propagate_one_insn): Update mem_set_list_len.
9813 (invalidate_mems_from_autoinc): Likewise.
9814 (invalidate_mems_from_set): Likewise.
9815 (mark_used_regs): Likewise.
9816 (init_propagate_block_info): Likewise. Stop collecting memories
9817 when we reach MAX_MEM_SET_LIST_LEN.
9818 (mark_set_1): Likewise.
9820 2001-01-16 Richard Henderson <rth@redhat.com>
9822 * unroll.c (precondition_loop_p): Fail if no iteration
9825 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9827 * gcc.c: When -fsyntax-only is given, do not complain about
9830 2001-01-15 Richard Henderson <rth@redhat.com>
9832 * config/i386/i386.c (asm_output_function_prefix): Remove.
9833 (ix86_asm_file_end): New.
9834 (load_pic_register): Generate pic_label_name into a
9835 staticly allocated buffer.
9836 * config/i386/i386-protos.h: Update.
9837 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9838 (ASM_FILE_END): New.
9839 * config/i386/i386afe.h: New file.
9840 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9841 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9842 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9843 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9844 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9845 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9846 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9848 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9850 * Makefile.in (install-man): Remove explicit dependency on
9853 * configure.in, configure: Revert previous patch requiring perl
9856 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9858 * toplev.c (flag_guess_branch_prob): New.
9859 (f_options): Add guess-branch-probability option.
9860 (rest_of_decl_compilation): Only estimate branch probability if
9862 (main): set flag_guess_branch_prob.
9864 * flags.h (flag_guess_branch_prob): New.
9866 2001-01-15 DJ Delorie <dj@redhat.com>
9868 * gcc.texi (Makefile): Add documentation for Makefile targets.
9870 2001-01-15 Philip Blundell <philb@gnu.org>
9872 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9874 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9875 (is_pic): Delete declaration.
9876 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9877 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9878 * config/arm/arm.md (builtin_setjmp_receiver): New.
9880 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9882 * arm.c (use_return_insn): Don't try to determine the function type
9883 until after reload has completed.
9884 (arm_output_epilogue): Don't adjust the sp value recovered from the
9886 (emit_multi_reg_push): Don't record dwarf information for the pc.
9887 * arm.md (eh_epilogue): The function type may have changed, so it
9888 needs to be recalculated.
9889 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9890 unwind tables on arm/netbsd.
9892 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9894 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9895 (negated_cbranchsi4): Likewise.
9897 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9899 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9900 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9901 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9902 pass -mapcs-* options to assembler.
9903 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9904 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9905 (ASM_SPEC): Call subtarget_extra_asm_spec.
9907 2001-01-15 Andreas Jaeger <aj@suse.de>
9909 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9911 (ix86_expand_builtin): Likewise.
9913 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9914 warning about comparison between signed and unsigned.
9916 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9918 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9920 2001-01-14 Ralf Baechle <ralf@gnu.org>
9922 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9923 SUBTARGET_CPP_SPEC apropriatly.
9925 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9927 * varasm.c (make_decl_rtl): Fix typo in last change.
9929 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9931 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9932 linker supports the init_priority C++ attribute.
9933 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9934 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9935 linker does not support init_priority C++ attribute.
9937 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9939 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9941 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9943 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9944 * cp/lex.c (finish_parse): Similarly.
9945 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9946 Return the number of errors encountered.
9947 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9948 * cppmain.c (main): Don't call cpp_destroy.
9950 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9952 * configure.in: Require at least perl 5.6.0 to regenerate
9954 * configure: Regenerate.
9956 2001-01-14 Richard Henderson <rth@redhat.com>
9958 * genrecog.c (DT_veclen_ge): New.
9959 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9960 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9961 (nodes_identical_1): Handle DT_veclen_ge.
9962 (write_cond, debug_decision_2): Likewise.
9964 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9966 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9968 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9970 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9972 * cppmain.c (do_preprocessing): New function; most of the old
9974 (main): Call it to do most of the work.
9975 (cb): Move from global scope to set_callbacks ().
9976 (setup_callbacks): Get the callback pointer.
9977 (general_init, printer_init): Clean up code and comments.
9979 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9981 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9984 2001-01-14 Kazu Hirata <kazu@hxi.com>
9986 * config/h8300/h8300.c (get_shift_alg): Update comments.
9988 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9990 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9991 (alloc_page, ggc_alloc): Add casts to remove warnings.
9993 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9995 * combine.c (simplify_comparison): Don't change `code' when
9996 can't reverse comparison.
9998 2001-01-14 Richard Henderson <rth@redhat.com>
10000 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10001 update all call sites. Return true for all non-label constants.
10003 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10005 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10007 (ix86_expand_branch): Update.
10008 (ix86_expand_setcc): Update to handle multiple test conditions.
10009 (expand_int_movcc): Likewise.
10010 (expand_fp_movcc): Likewise.
10011 * i386-protos.h (ix86_expand_compare): New.
10012 * i386.md (andqi_?_slp, orqi_?_slp): New.
10013 (conditional trap expander): Update call to ix86_expand_compare.
10015 2001-01-14 Richard Henderson <rth@redhat.com>
10017 * config/vax/vax.md: Use nonimmediate_operand instead of
10018 general_operand in destinations.
10020 * config/vax/vax.md (indirect_jump): Use register_operand.
10022 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10023 * config/vax/vax.md (call_pop): Turn into an expander.
10024 (call_value_pop): Likewise.
10025 (call, call_value): New.
10027 2001-01-14 Andreas Jaeger <aj@suse.de>
10029 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10031 (ix86_fp_compare_mode): Add unused attribute.
10032 (ix86_expand_fp_movcc): Remove unused variable.
10033 (ix86_expand_builtin): Make fcode unsigned.
10035 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10036 (expand_expr): Add cast to avoid signed warning.
10037 (store_field): Likewise.
10038 (store_constructor_field): Likewise.
10039 (store_constructor): Likewise.
10040 (store_expr): Likewise.
10041 (clear_storage): Likewise.
10042 (emit_group_store): Likewise.
10043 (emit_group_load): Likewise.
10045 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10047 * c-common.c: Move format checking code to ...
10048 * c-format.c: ... here. New file. Reorder some functions and
10050 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10052 * c-common.h (decl_handle_format_attribute,
10053 decl_handle_format_arg_attribute): Declare.
10054 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10055 (c-common.o): Adjust dependencies.
10056 (c-format.o): New list of dependencies.
10058 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10060 * unroll.c (loop_iterations): If we cannot prove iteration variable
10061 is set once in each iteration, punt.
10063 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10065 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10066 (*strlenhi): Remove clobber (which was buggy) of output address.
10068 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10070 * Makefile.in (generated-manpages): Add gcc.1
10071 ($(srcdir)/gcc.1): New target.
10072 (maintainer-clean): Delete $(srcdir)/gcc.1.
10073 * gcc.texi: Add macros @gccoptlist and @gol.
10074 * invoke.texi: Include option summary in manpage. Mark up option
10075 summary with @gccoptlist and @gol. Use @r in one place where
10077 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10078 * gcc.1: Generate from invoke.texi.
10080 2001-01-13 Richard Henderson <rth@redhat.com>
10082 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10083 (struct page_entry): Add group member.
10084 (struct page_group): New.
10085 (struct globals): Add page_groups member.
10086 (alloc_anon): Only define for using mmap; remove valloc call.
10087 (page_group_index): New.
10088 (set_page_group_in_use): New.
10089 (clear_page_group_in_use): New.
10090 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10091 (free_page, release_pages): Likewise.
10092 * configure.in (with-gc): Default to ggc-page always.
10094 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10096 * reload1.c (replace_pseudos_in_call_usage): Use
10097 reg_equiv_constant and reg_equiv_address, and don't try
10098 regno_reg_rtx first.
10100 2001-01-13 Richard Henderson <rth@redhat.com>
10102 * ggc-page.c (alloc_page): Round up allocation size to one page.
10103 Set e->order on extra pages.
10105 2001-01-13 Richard Henderson <rth@redhat.com>
10107 * genrecog.c (nodes_identical): Expand commentary.
10108 (write_switch): Watch out for identical nodes.
10110 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10112 * cppfiles.c (_cpp_fake_include): New function.
10113 * cpphash.h (_cpp_fake_include): New.
10114 * cpplib.c (do_line): Call _cpp_fake_include when entering
10115 header files in preprocessed input.
10116 * cppmain.c (cb_pragma_implementation): Remove handling.
10117 (setup_callbacks): Don't register pragmas.
10119 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10121 * extend.texi: Udate for CPP.
10123 2001-01-13 Andreas Jaeger <aj@suse.de>
10125 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10127 * regmove.c: Add prototype for replace_in_call_usage.
10129 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10131 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10132 struct cpp_chunk, struct htab, struct toklist,
10133 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10134 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10135 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10136 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10137 (struct macro_args): Delete.
10138 * cpphash.h: See above.
10140 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10142 * cppmain.c (struct printer): Remove no_line_dirs.
10143 (options, cb): New.
10144 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10145 : Use options rather than CPP_OPTION.
10146 (setup_callbacks): Use cb rather than pfile->cb.
10147 (main): No need to check for a buffer. Use cpp_errors.
10148 (printer_init): Don't set no_line_dirs.
10149 (maybe_print_line): Use options not no_line_dirs.
10150 (cb_file_change): Don't call print_line if -P.
10152 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10154 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10156 * c-parse.in (finish_parse): Use cpp_errors.
10157 (__yylex): Use return value of cpp_pop_buffer.
10158 * cp/lex.c (finish_parse): Use cpp_errors.
10159 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10161 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10163 * README.AVR: URLs corrected.
10165 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10167 * c-decl.c (start_function): Don't warn if old prototype is builtin
10168 that's not in C's namespace.
10169 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10170 (_bb): Add prototype for ctime.
10171 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10173 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10175 * i386.c (ix86_fp_comparison_arithmetics_cost,
10176 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10177 ix86_fp_comparison_cost): New functions.
10178 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10179 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10180 two-branch sequences; make static.
10181 (ix86_use_fcomi_compare): Do decision according to the costs.
10182 (split_fp_branch): New.
10183 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10184 * i386-protos.h (ix86_expand_fp_compare): Remove
10185 (ix86_split_fp_branch): Declare.
10187 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10188 and ix86_comparison_operator.
10190 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10191 to make it cheaper.
10193 * i386.c (put_condition_code): Output properly the unordered/ordered
10194 compares in fp case.
10195 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10197 * tm.texi (REVERSE_CONDITION): Document.
10198 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10199 in -ffast-math mode.
10200 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10202 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10204 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10206 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10209 * config/sh/sh.c (mova_p): Fix test for mova_const.
10211 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10213 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10214 cpp_get_options rather than dereferencing pfile and using
10216 * scan-decls.c (scan_decls): Use return value of
10217 cpp_pop_buffer rather than CPP_BUFFER.
10219 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10221 * cppinit.c (cpp_handle_option): help_only is now part of the
10222 cpp_options structure.
10223 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10224 cpp_set_callbacks): New functions.
10225 * cpplib.h (cpp_callbacks): Break out as a named structure.
10226 (cpp_options): Move help_only here from cpp_reader.
10227 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10228 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10229 cpp_set_callbacks): New prototypes.
10230 * cppmain.c (main): Update for help_only.
10232 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10234 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10235 Also build and remove and install and uninstall c-tree.info and
10237 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10238 ($(srcdir)/cppinternals.info): New target.
10239 * c-tree.texi: Change file name used when makeinfo used without -o
10240 from ir.info to c-tree.info. Add info directory entry.
10241 * cppinternals.texi: Add info directory entry.
10242 * .cvsignore: Update.
10244 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10246 * c-typeck.c (store_init_value): Don't require constant initializer
10247 elements with -pedantic -std=c99.
10248 (digest_init): Change error about non-constant initializer elements
10250 (constructor_range_end): Remove.
10251 (constructor_incremental, designator_depth,
10252 designator_errorneous): New variables.
10253 (struct constructor_stack): Remove range_end, add incremental.
10254 (struct constructor_range_stack, constructor_range_stack): New.
10255 (struct initializer_stack): Add constructor_range_stack.
10256 (finish_init): Set it.
10257 (start_init): Likewise. require_constant_elements for non-static
10258 trees only if not flag_isoc99.
10259 (really_start_incremental_init): Remove constructor_range_end, add
10260 constructor_incremental.
10261 (pop_init_level): Likewise.
10262 (push_init_level): Likewise. If implicit and the subobject had some
10263 value set already, preinitialize the level with it.
10264 Warn about missing braces only if not pushing due to designators.
10265 (set_designator, push_range_stack): New functions.
10266 (set_init_label): Use them.
10267 (set_init_index): Likewise. Remove constructor_range_end.
10268 Error if designator index is outside of array bounds.
10269 (add_pending_init): Compare values of purpose index trees, not the
10270 trees themselves. Allow overwriting of already initialized element.
10271 Issue a warning if it had side-effects.
10272 (set_nonincremental_init, set_nonincremental_init_from_string): New
10274 (pending_init_member): Rename to...
10275 (find_init_member): ...this function. Call set_nonincremental_init
10276 if necessary. Compare values of purpose index trees, not the trees
10277 themselves. Return the actual value, not just non-zero if something
10279 (output_init_element): Remove checks for duplicates.
10280 If field has zero size, only check the initializer for correctness.
10281 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10282 if constructor_incremental is zero. Change error about initializers
10283 not computable at load time into pedwarn.
10284 (output_pending_init_elements): Compare bit positions, not
10285 FIELD_DECLs to take into account zero-sized fields.
10286 (process_init_element): Use constructor_range_stack to fill all
10287 ranges in the designator lists from current level up.
10288 * extend.texi: Update documentation for labeled elements.
10290 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10292 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10293 to function usage for arguments passed by reference. Optimize
10294 callee-copied arguments.
10295 * regmove.c (replace_in_call_usage): New function.
10296 (fixup_match_1): Call it.
10297 * cse.c (cse_insn): Canonicalize registers in function usage.
10298 * reload1.c (replace_pseudos_in_call_usage): New function.
10301 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10304 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10306 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10309 2001-01-12 DJ Delorie <dj@redhat.com>
10311 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10312 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10315 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10317 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10318 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10319 -std options alongside references to -ansi. Update some
10320 documentation for C99.
10321 * cpp.1: Regenerate.
10323 2001-01-12 Andreas Jaeger <aj@suse.de>
10325 * haifa-sched.c (restore_line_notes): Remove argument block B
10327 * sched-ebb.c (schedule_ebb): Change caller.
10328 * sched-rgn.c (schedule_region): Likewise.
10329 * sched-int.h (restore_line_notes): Adjust prototype.
10331 * loop.h: Remove wrong declaration of doloop_condition_get.
10333 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10335 * extend.texi: Move C++-extension-related node from the C section
10336 into the C++ section.
10338 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10340 * extend.texi: Refer to an array of pointers to functions instead
10341 of one of functions.
10343 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10344 Jan Hubicka <jh@suse.cz>
10346 * combine.c (reversed_comparison): Fix typo in last patch.
10348 (combine_reversed_comparison_code): Make static to follow
10349 prototype declaration.
10351 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10353 * install.texi: Remove misplaced duplicate entry.
10355 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10357 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10359 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10361 * final.c: (leaf_function_p): Fix typo.
10363 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10365 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10366 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10368 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10369 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10370 mmap_anon, and valloc is available.
10371 * ggc-page.c: Restructure ifdef logic to match new autoconf
10372 spec. Don't throw away the test page in init_ggc.
10374 * configure, config.in: Regenerate.
10376 2001-01-12 Michael Hayes <mhayes@redhat.com>
10378 * loop.h (total_biv_increment): Constify iv_class pointer.
10379 (struct induction): Replace `mem_mode' with `mem' rtx.
10380 * unroll.c (total_biv_increment): Constify iv_class pointer.
10381 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10382 (find_mem_givs, combine_givs_p): Likewise.
10383 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10385 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10387 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10389 (__gthread_getspecific): Ditto.
10391 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10393 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10394 put_condition_code): Convert fp comparison codes to integer
10396 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10399 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10400 * i386-protos.h (no_comparison_operator): Kill.
10402 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10404 * combine.c (REVERSIBLE_CC_MODE): Remove.
10405 (reversible_comparison_p): Remove.
10406 (combine_reversed_comparison_code): New.
10407 (reversed_comparison): New.
10408 (combine_simplify_rtx): Use
10409 combine_reversed_comparison_code/reversed_comparison instead
10410 of reversible_comparison_p.
10411 (simplify_if_then_else): Likewise.
10412 (simplify_set): Likewise.
10413 (simplify_logical): Likewise.
10414 (if_then_else_cond): Likewise.
10415 (known_cond): Likewise.
10416 (simplify_comparison): Likewise.
10418 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10420 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10421 sizeof (int) is larger than sizeof(__word__).
10423 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10425 * cppinit.c (do_includes): Fix typo.
10427 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10429 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10430 in S_REGS does not occur because not all sources are possible
10431 when a S_REGS is a destination (sometimes needs a clobber).
10432 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10433 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10434 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10435 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10436 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10437 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10438 (lshrdi_const1, lshrsi3_const16): Likewise.
10439 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10440 (*movhi_68hc12, *movqi_68hc12): Likewise.
10441 (movstrictqi): Make sure reloading in D_REGS as a destination
10444 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10446 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10448 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10450 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10451 -D, -U and -A, and don't initialize the builtins.
10452 (do_includes): Error if -include or -imacros with -fpreprocessed.
10453 * cppmain.c (cb_define, cb_undef): Unconditionally process
10455 * tradcpp.c (main): Fix typo.
10457 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10459 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10460 (read_name_map): Use IS_ABSOLUTE_PATH.
10461 * tradcpp.c (get_filename): Likewise.
10463 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10465 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10466 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10467 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10468 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10469 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10470 (cmphi_z_used): Don't use '@' for the output.
10471 (tstqi_z_used): Likewise.
10472 (cmpqi_z_used): Likewise.
10473 (one_cmplsi2): Likewise.
10475 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10477 * config/sh/sh.c (barrier_align): Recognize branch around far
10478 branch and redundant insn.
10480 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10482 * invoke.texi: Restore documentation of the drivers' switches -MD
10485 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10487 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10489 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10490 check-objc//%): Support parallel testing of multilibs.
10491 (TESTSUITEDIR): Set to testsuite by default, but override for
10493 (check-gcc, check-g++, check-g77, check-objc): Enter
10496 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10498 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10499 * sched-deps.c (deps_may_trap_p): Likewise.
10500 * basic-block.h: Remove a comment.
10501 * flow.c (PROP_POSTRELOAD): Remove.
10502 (update_life_info): Don't add it to prop_flags.
10503 (mark_set_1): Lose the code that was enabled by it.
10505 2001-01-11 Michael Hayes <mhayes@redhat.com>
10507 * flow.c (flow_call_edges_add): New.
10508 * basic_block.h (flow_call_edges_add): New.
10510 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10512 * reload1.c (move2add_note_store): Update reg_set_luid even if
10513 base reg remains the same.
10515 2001-01-10 Nick Clifton <nickc@redhat.com>
10517 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10518 machine_function structure to zero.
10519 Add prototypes for machine_status functions.
10521 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10523 * c-common.h (CTI_VOID_LIST): Remove.
10524 (void_list_node): Likewise.
10525 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10526 (void_list_node): New macro.
10527 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10528 * config/i386/i386.c (ix86_init_builtins): Likewise.
10529 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10531 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10533 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10534 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10536 * tradcpp.c: Include mkdeps.h.
10537 (deps, print_deps_phony_targets, deps_append, output_deps,
10538 init_dependency_output, output_deps): New.
10539 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10540 deps_output): Delete.
10541 (print_deps_missing_files): Rename deps_missing_files.
10542 (inhibit_output): Make global.
10543 (main): Delete inhibit_output, deps_stream, deps_target.
10544 Use mkdeps functionality in the same way as cpplib. Remove
10545 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10546 -M and -MM. Remove old handling of deps via deps_out, and
10547 old reading of environment variables.
10548 (get_filename): Update to use deps_add_dep.
10550 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10552 * output.h (make_function_rtl): Remove prototype.
10553 (make_decl_rtl): Likewise.
10554 * varasm.c (make_function_rtl): Remove.
10555 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10556 than from a third parameter.
10557 * tree.h (make_decl_rtl): Remove last parameter.
10558 * c-decl.c (builtin_function): Remove last argument in call to
10559 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10560 (start_function): Likewise.
10561 * except.c (call_get_eh_context): Likewise.
10562 * expr.c (emit_block_move): Likewise.
10563 (clear_storage): Likewise.
10564 * profile.c (output_func_start_profiler): Likewise.
10565 * toplev.c (rest_of_decl_compilation): Likewise.
10566 * objc/objc-act.c (create_builtin_decl): Likewise.
10567 (synth_module_prologue): Likewise.
10568 (generate_static_reference): Likewise.
10569 (build_selector_reference_decl): Likewise.
10570 (build_class_reference_decl): Likewise.
10571 (build_objc_string_decl): Likewise.
10572 (build_protocol_reference): Likewise.
10574 2001-01-10 Richard Henderson <rth@redhat.com>
10576 * hwint.h: Revert yesterday's change.
10578 2001-01-10 Nick Clifton <nickc@redhat.com>
10580 * function.h (save_machine_status): Delete.
10581 (restore_machine_status): Delete.
10582 Amend comment describing {init|mark|free}_machine_status.
10584 * function.c (save_machine_status): Delete.
10585 (restore_machine_status): Delete.
10586 Amend comment describing {init|mark|free}_machine_status.
10587 (push_function_context_to): Remove invocation of
10588 save_machine_status.
10589 (pop_function_context_from): Remove invocation of
10590 restore_machine_status.
10592 * emit-rtl.c (init_emit_once): Amend comment describing
10593 {init|mark|free}_machine_status.
10595 * tm.texi (Per-Function Data): New node. Describe the
10596 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10599 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10601 * cppinit.c (OPT_g): Remove.
10602 (cpp_handle_option): Update for removed -g3.
10603 (print_help): Update.
10604 * cpplib.h (struct cpp_options): Remove debug_output.
10605 * cppmain.c (setup_callbacks, cb_define): Update.
10606 * gcc.c (cpp_options): Translate -g3 to -dD.
10608 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10610 * config/i960/i960.md: Change modifier to + on the zero_extract
10611 pattern after the (rotate -2 reg) canonicalization pattern.
10613 2001-01-10 Richard Henderson <rth@redhat.com>
10615 * config/alpha/alpha.c (alpha_free_machine_status): New.
10616 (override_options): Install it.
10617 (alpha_mark_machine_status): Verify machine non-null.
10618 * config/i386/i386.c (ix86_free_machine_status): New.
10619 (override_options): Install it.
10620 (ix86_init_machine_status): Use xcalloc.
10621 (ix86_mark_machine_status): Verify machine non-null.
10622 * config/ia64/ia64.c (ia64_free_machine_status): New.
10623 (ia64_override_options): Install it.
10624 (ia64_mark_machine_status): Verify machine non-null.
10626 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10628 * function.c (instantiate_virtual_regs): Instantiate virtual
10629 registers found in CALL_INSN_FUNCTION_USAGE.
10631 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10633 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10634 equivalent to -ansi in disabling -Di386.
10636 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10638 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10640 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10642 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10644 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10646 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10648 * invoke.texi: Document that -fcond-mismatch isn't supported for
10651 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10653 * gcc.texi: Define macro gcctabopt.
10654 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10655 @command, @env and @option in some places where appropriate. Use
10656 @gcctabopt where appropriate. Put URLs and email addresses inside
10659 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10661 * gcc.c (cpp_options): Set MD file name from output
10662 filename, if specified.
10663 (suffix_subst): New static variable.
10664 (do_spec): Clear it.
10665 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10667 (give_switch): Handle suffix_subst.
10669 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10671 * invoke.texi: Fix another typo.
10673 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10675 * invoke.texi: Fix typo.
10677 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10679 * c-lang.c (lang_hooks): Update.
10680 (lang_decode_option): Remove.
10681 (lang_init_options): Rename c_init_options.
10682 * toplev.c (main): Use lang_hooks for lang_init_options
10683 and lang_decode_option.
10684 * toplev.h (lang_hooks): Add 2 new hooks.
10685 * tree.h: Remove lang_init_options and lang_decode_option.
10686 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10687 * cp/decl2.c: Similarly.
10688 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10689 (lang_hooks): Update.
10690 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10692 (lang_init_options): Rename ffe_init_options.
10693 (lang_hooks): Update.
10694 (lang_decode_option): Remove.
10695 * java/lang.c (lang_init_options): Rename java_init_options.
10696 (lang_decode_option): Rename java_decode_option.
10697 (lang_hooks): Update.
10698 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10699 (lang_decode_option): Rename objc_decode_option.
10700 (lang_hooks): Update.
10702 2001-01-09 Nick Clifton <nickc@redhat.com>
10704 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10705 (d30v_return_addr_rtx): Delete.
10706 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10707 cfun->machine structure.
10708 (struct machine_function): Move to d30v.h
10709 (d30v_save_machine_status): Delete.
10710 (d30v_restore_machine_status): Delete.
10711 (d30v_init_machine_status): New Function.
10712 (d30v_mark_machine_status): New Function.
10713 (d30v_free_machine_status): New Function.
10714 (d30v_init_expanders): Use new functions.
10715 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10716 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10717 d30v_return_addr_rtx.
10719 * config/d30v/d30v.h (struct_machine): Move here.
10720 Add eh_epilogue_sp_ofs field.
10722 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10723 field in cfun->machine structure.
10725 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10727 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10728 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10729 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10731 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10733 * objc/lang-options.h: Remove bogus reference to
10736 2001-01-09 Kazu Hirata <kazu@hxi.com>
10738 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10741 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10743 * reload.c (find_reloads_address): Check for eliminable registers
10744 when substituting a constant expression for a pseudo.
10746 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10748 * c-common.c (enum format_type): Add format_type_error.
10749 (decode_format_type): New function.
10750 (decl_attributes): Use it.
10751 (format_kind_info): Adjust comment.
10753 2001-01-09 David O'Brien <obrien@BSDi.com>
10755 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10756 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10758 * config/i386/gnu.h: Don't include required platform specific .h files,
10759 tm.h will do it instead.
10760 * config/i386/i386elf.h: Likewise.
10761 * config/i386/linux.h: Likewise.
10762 * config/i386/moss.h: Likewise.
10763 * config/mips/gnu.h: Likewise.
10765 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10767 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10768 (rs6000-ibm-aix3.[01]*): Likewise.
10769 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10770 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10771 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10772 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10773 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10774 (powerpc-*-eabiaix*): Likewise.
10775 (powerpc-*-eabisim*): Likewise.
10776 (powerpc-*-elf*): Likewise.
10777 (powerpc-*-eabi*): Likewise.
10778 (powerpc-*-rtems*): Likewise.
10779 (powerpc-*-linux*libc1): Likewise.
10780 (powerpc-*-linux*): Likewise.
10781 (powerpc-wrs-vxworks*): Likewise.
10782 (powerpcle-wrs-vxworks*): Likewise.
10783 (powerpcle-*-sysv*): Likewise.
10784 (powerpcle-*-elf*): Likewise.
10785 (powerpcle-*-eabisim*): Likewise.
10786 (powerpcle-*-eabi*): Likewise.
10787 (powerpcle-*-solaris2*): Likewise.
10788 * config/rs6000/aix31.h: Delete includes.
10789 * config/rs6000/aix3newas.h: Likewise.
10790 * config/rs6000/aix41.h: Likewise.
10791 * config/rs6000/aix43.h: Likewise.
10792 * config/rs6000/beos.h: Likewise.
10793 * config/rs6000/rtems.h: Likewise.
10794 * config/rs6000/sysv4.h: Likewise.
10796 2001-01-09 Kazu Hirata <kazu@hxi.com>
10798 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10799 Change an argument mode of machine_mode to shift_mode of
10800 shift_mode. Remove an extra error check.
10801 (emit_a_shift): Adopt to the new calling prototype of
10803 (function_prologue): Fix code for a monitor
10804 function. Support H8/S.
10805 (function_epilogue): Do not output pop for a monitor function.
10807 2001-01-09 Nick Clifton <nickc@redhat.com>
10809 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10810 (setup_incoming_varargs): Use sysv_varargs_p field of the
10811 cfun->machine structure.
10812 (struct machine_function): Move to rs6000.h
10813 (rs6000_save_machine_status): Delete.
10814 (rs6000_restore_machine_status): Delete.
10815 (rs6000_init_machine_status): New Function.
10816 (rs6000_free_machine_status): New Function.
10817 (rs6000_init_expanders): Use new functions.
10819 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10821 (struct machine_function): Move here.
10823 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10824 sysv_varargs_p field of the cfun->machine structure.
10826 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10828 (rs6000_restore_machine_status): Remove prototype.
10830 2001-01-09 Richard Henderson <rth@redhat.com>
10832 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10833 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10834 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10835 (sched_analyze_2, sched_analyze_insn): Likewise.
10836 (sched_analyze, init_deps): Likewise.
10837 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10838 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10839 (compute_block_backward_dependences): Update propagate_deps call.
10841 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10843 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10845 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10847 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10848 (cpp_handle_option): Handle them.
10849 (cpp_post_options): Ensure one of -M or -MM is specified with
10850 any other -M? option.
10851 (init_dependency_output): Suppress output with -MG.
10853 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10855 * cpp.texi: Update.
10856 * invoke.texi: Update.
10858 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10860 * sh.md (reload_outsf): Generate recognizable patterns for
10863 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10865 * c-lang.c (lang_hooks): Update.
10866 (lang_init): Rename c_init.
10867 (lang_finish): Remove.
10868 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10869 and lang_finish ().
10870 * toplev.h (lang_hooks): Add init () and finish ().
10871 * tree.h (lang_init, lang_finish): Remove.
10872 * cp/tree.h (lang_init, lang_finish): Remove.
10873 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10874 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10876 (lang_init, lang_finish): Remove.
10877 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10878 (lang_hooks): Update.
10879 * java/lang.c (lang_init): Rename java_init.
10880 (lang_finish): Remove.
10881 (lang_hooks): Update.
10882 * objc/objc-act.c (lang_init): Rename objc_init.
10883 (lang_finish): Remove.
10884 (lang_hoooks): Update.
10886 20001-01-09 Graham Stott <grahams@redhat.com>
10888 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10889 after `ptr` is initialised.
10891 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10893 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10894 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10895 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10896 stack adjusts, instead of r3.
10898 2001-01-09 Michael Hayes <mhayes@redhat.com>
10900 * flow.c (flow_loop_scan): Break out of ...
10901 (flow_loops_find) ... here.
10902 * basic-block.h (flow_loop_scan): New.
10903 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10904 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10906 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10908 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10910 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10911 realloc()ing macro_buffer.
10913 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10914 if it's wider than long and the target's long is wider than the
10917 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10919 Remove support for using UWIN as a host machine.
10920 * configure.in: Issue an error message.
10921 * configure: Regenerated.
10922 * config.gcc: Remove xm_* UWIN configury.
10923 * config/i386/xm-uwin.h: Remove.
10925 2001-01-08 Nick Clifton <nickc@redhat.com>
10927 * config/v850/v850.c (ra_rtx): Delete.
10928 (v850_save_machine_status): Delete.
10929 (v850_restore_machine_status): Delete.
10930 (v850_init_machine_status): New function.
10931 (v850_mark_machine_status): New function.
10932 (v850_free_machine_status): New function.
10933 (v850_return_addr): Use ra_rtx field in machine structure.
10934 (v850_init_expanders): Use new functions.
10936 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10937 * config/v850/v850.c: Change arguments to v850_output+* functions
10938 to take a const char *, to avoid compile time warning.
10939 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10940 (USER_LABEL_PREFIX): Redefine.
10942 2000-01-08 Jim Wilson <wilson@redhat.com>
10944 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10945 1 to unsigned HOST_WIDE_INT before left shift.
10947 2001-01-08 Nick Clifton <nickc@redhat.com>
10949 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10950 the machine structure has been allocated.
10951 (arm_free_machine_status): New function: Free the machine
10952 specific function structure.
10954 2001-01-08 Richard Henderson <rth@redhat.com>
10956 * jump.c (simplejump_p): Revert last change.
10958 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10960 * cppinit.c (init): Rename init_library.
10961 (cpp_create_reader): Update.
10962 * gcc.c (cpp_options): If -o given, use it as the target of
10965 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10967 * arm.c (arm_arch5e): New variable.
10968 (all_cores): XScale is a 5TE device.
10969 (arm_override_options): Set arm_arch5e.
10970 (arm_init_builtins): __builtin_prefetch is in arch5e.
10971 * arm.h (arm_arch5e): Declare it.
10973 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10975 * arm.md (define_constants): Add defines for UNSPEC and
10976 UNSPEC_VOLATILE insns. Update all users.
10977 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10978 * arm.c (multi_register_push, note_invalid_constants)
10979 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10980 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10981 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10983 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10985 * jump.c (jump_optimize_1): Use reversed_comparison_code
10986 instead of can_reverse_comparison_p.
10987 (jump_back_p): Likewise.
10988 (invert_exp_1): Likewise.
10989 (thread_jumps): Likewise.
10990 * simplify-rtx.c (simplify_unary_operation): Likewise.
10991 (simplify_ternary_operation): Likewise.
10992 * cse.c (find_comparison_args): Convert to use
10993 can_reverse_comparison_p.
10994 (record_jump_equiv): Likewise.
10996 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10998 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10999 (EPILOGUE_USES): Define.
11000 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11001 automatically stack the LR if it isn't live.
11003 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11005 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11008 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11010 * ggc-page.c (max_alignment): New structure.
11011 (MAX_ALIGNMENT): New macro.
11012 (init_ggc): Use it to round up the sizes in the
11013 extra_order_size_table.
11015 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11017 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11020 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11022 * builtins.def (BUILT_IN_FPRINTF): New entry.
11024 * c-common.c (c_expand_builtin_fprintf): New function.
11025 (init_function_format_info): Handle __builtin_fprintf.
11026 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11027 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11029 * c-decl.c (duplicate_decls): Adjust comment.
11031 * extend.texi (fprintf): Document new builtin.
11033 2001-01-07 Richard Henderson <rth@redhat.com>
11035 * jump.c (simplejump_p): Recognize any single_set jump
11036 of the proper form.
11038 2001-01-07 Richard Henderson <rth@redhat.com>
11040 * configure.in (slibdir): Accept an --with-slibdir option.
11041 Use "test" not "[" in configure. Default to $(libdir).
11043 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11045 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11046 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11047 (SHLIB_LINK): Create links for the soname.
11048 * config/mips/t-iris6: Likewise.
11049 * config/sparc/t-slibgcc: Likewise.
11050 * config/sparc/t-slibgcc-sld: Likewise.
11052 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11054 * config/i386/i386.c (constant_call_address_operand): Accept
11055 (const (plus (symbol_ref) (const_int))).
11056 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11057 constant_call_address_operand.
11059 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11061 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11062 and LONG_LONG_TYPE_SIZE > 32.
11064 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11066 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11067 the previous change.
11069 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11071 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11073 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11074 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11075 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11078 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11080 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11082 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11084 * c-lang.c (c_post_options): Call cpp_post_options.
11085 * objc/objc-act.c (objc_post_options): Similarly.
11086 * cppmain.c (main): Similarly.
11087 * fix-header.c (read_scan_file): Similarly.
11088 * cppinit.c (cpp_start_read): Move option consistency checks
11089 to cpp_post_options. Don't call init_dependency_output.
11090 If needed, add default target and main file dependency.
11091 (OPT_MD, OPT_MMD): Remove.
11093 (cpp_handle_option): Update for OPT_* changes.
11094 (cpp_post_options): New.
11095 (init_dependency_output): Command line -MF overrides environment
11096 variables. Don't set default target etc. Suppress output
11097 if dependencies are going to stdout.
11098 (print_help): Update.
11099 * cpplib.h (cpp_post_options): New.
11100 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11102 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11104 * jump.c (comparison_dominates_p): Support unordered compares.
11106 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11108 * simplify-rtx.c (simplify_relational_operation): Always simplify
11109 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11112 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11114 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11115 (nonzero_bits): Likewise.
11116 (simplify_comparison): Likewise.
11117 (num_sign_bit_copies): Likewise; return more sane value depending
11118 on STORE_FLAG_VALUE.
11119 (known_cond): Do not assume EQ to be always true for equivalent
11122 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11124 * cse.c (fold_rtx): Handle unordered comparisons.
11126 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11128 * rtlanal.c (set_of_1): New static function.
11129 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11130 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11131 reg_set_last_last_regno): Remove.
11132 (set_of): New global function.
11133 (set_of_data): New structure.
11134 (reg_set_p, reg_set_last): Revamp for set_of.
11135 * rtl.h (set_of): New.
11137 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11139 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11140 * extend.texi: Document _Exit builtin.
11142 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11144 * (initialize, initialize_builtins,
11145 initialize_dependency_output, initialize_standard_includes):
11146 Rename s/initialize/init. Update.
11147 (init_dependency_output): Move to after
11148 cpp_handle_options, the correct location temporally at least.
11149 (opt_comp): Move next to init (), its caller. Fix prototype.
11150 (init): Make "initialized" local scope.
11151 (cpp_create_reader): Always call init ().
11152 (cpp_start_read): Update.
11153 (output_deps): New function, broken out of cpp_finish.
11154 (cpp_finish): Break out output_deps.
11156 2001-01-07 Richard Henderson <rth@redhat.com>
11158 * collect2.c (COFF specific stuff): Revert 12-06 patch
11159 to prototype system functions.
11161 2001-01-07 Michael Hayes <mhayes@redhat.com>
11163 * hard-reg-set.h: Add multiple include guard.
11164 * basic-block.h (struct loop): Add `sink' field.
11165 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11166 (emit_iv_add_mult): Delete.
11167 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11168 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11169 (unroll_loop): Remove end_insert_before argument.
11170 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11171 (maybe_eliminate_biv_1): Likewise.
11172 (emit_iv_add_mult): Delete.
11173 (gen_add_mult, loop_regs_update): New.
11174 (loop_insn_emit_after, loop_insn_emit_before): New.
11175 (loop_insn_sink, loop_insn_sink_or_swim): New.
11176 (emit_iv_add_mult): Delete.
11177 (scan_loop): Set loop->sink.
11178 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11179 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11180 (maybe_eliminate_biv_1): Likewise.
11181 (maybe_eliminate_biv_1): Add basic block argument.
11182 * unroll.c (unroll_loop): Remove end_insert_before argument.
11183 (find_splittable_regs): Likewise.
11184 (find_splittable_regs): Use loop_insn_sink and its ilk.
11185 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11187 2001-01-07 Michael Hayes <mhayes@redhat.com>
11189 * loop.h (loop_insn_hoist): New prototype.
11190 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11191 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11192 (check_dbra_loop, load_mems): Likewise.
11193 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11194 (find_splittable_givs): Likewise.
11196 2001-01-07 Michael Hayes <mhayes@redhat.com>
11198 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11200 2001-01-07 Richard Henderson <rth@redhat.com>
11202 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11204 2001-01-07 Richard Henderson <rth@redhat.com>
11206 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11207 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11208 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11209 variant that handles a shared libgcc.
11210 (process_command): Always validate -{static,shared}-libgcc.
11211 (do_spec_1): New 'M' case.
11212 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11214 2001-01-07 Richard Henderson <rth@redhat.com>
11216 * Makefile.in (slibdir): New variable.
11217 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11218 (installdirs): Create slibdir.
11219 (install-libgcc, install-multilib): Defer to libgcc.mk.
11220 * configure.in (slibdir): Substitute.
11221 * mklibgcc.in (install): New target.
11223 * config/t-linux (SHLIB_LINK): Create links for the soname.
11224 (SHLIB_INSTALL): New.
11225 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11226 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11227 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11228 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11229 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11231 2001-01-07 Richard Henderson <rth@redhat.com>
11233 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11234 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11235 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11237 2001-01-07 Michael Hayes <mhayes@redhat.com>
11239 * loop.c (count_loop_regs_set): Delete.
11240 (load_mems_and_recount_loop_regs_set): Delete.
11241 (loop_regs_scan): Merge common code from count_loop_regs_set,
11242 scan_loop, and load_mems_and_recount_loop_regs_set.
11243 (scan_loop): Call load_mems directly and loop_regs_scan
11244 again if new registers created.
11246 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11248 * toplev.c (main): Call the front-end specific post_options
11249 hook if one is given.
11250 * toplev.h (struct_lang_hooks, lang_hooks): New.
11251 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11252 for the C front end.
11253 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11254 lang_hooks for the C++ front end.
11255 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11256 lang_hooks for the ObjC front end.
11257 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11258 * java/lang.c (lang_hooks): Hooks for the Java front end.
11260 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11262 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11263 for verbose DWARF[2] debugging.
11264 (cb_define, cb_undef): The new callbacks.
11265 * toplev.h (debug_define, debug_undef): Make const correct.
11266 * toplev.c (debug_define, debug_undef): Similarly. Do not
11267 perform the verbosity tests here anymore.
11269 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11271 * reload.c (subst_reloads): Take INSN argument. When
11272 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11273 * reload.h (subst_reloads): Adjust prototype.
11274 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11275 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11276 present in JUMP_INSNs and copy them to JUMP_LABEL.
11277 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11278 JUMP_INSNs and insns with REG_LABELs that are followed by
11279 JUMP_INSNs with the same REG_LABEL.
11280 * sched-rgn.c (is_cfg_nonregular): Likewise.
11281 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11283 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11285 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11287 2001-01-06 Richard Henderson <rth@redhat.com>
11289 * loop.c (scan_loop): Use xcalloc for the regs array.
11290 (load_mems_and_recount_loop_regs_set): Zero the new memory
11291 received from xrealloc.
11293 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11295 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11297 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11299 * integrate.c (copy_rtx_and_substitute): When copying
11300 an ignored return value, strip REG_FUNCTION_VALUE_P.
11302 2001-01-06 Michael Hayes <mhayes@redhat.com>
11304 * loop.c (debug_biv, debug_giv): New.
11305 (loop_biv_dump): Break out from ...
11306 (record_biv): ... here.
11307 (loop_giv_dump): Break out from ...
11308 (record_giv): ... here.
11309 (loop_bivs_check): Use print_simple_rtl.
11310 * unroll.c (loop_iterations): Use print_simple_rtl.
11312 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11314 * pa.md (return, return_internal): Modify patterns to prevent regrename
11315 mucking with the return pointer.
11317 2001-01-05 Richard Henderson <rth@redhat.com>
11319 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11321 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11323 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11324 version supplied by Matteo Frigo.
11326 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11328 * cpp.texi: Update for -MQ.
11329 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11330 (cpp_cleanup): Always free pfile->deps.
11331 (initialize_dependency_output): Don't create pfile->deps.
11332 (cpp_handle_option): Similarly.
11334 * gcc.c (cpp_options): Handle -MQ.
11335 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11336 * mkdeps.c (base_name): Remove.
11337 (deps_init): Don't allocate vector space until it's needed.
11338 (deps_free): Only free vectors if allocated.
11339 (deps_add_target, deps_add_dep): Update for initial allocation.
11340 (deps_add_default_target): Don't strip to the base_name.
11342 2001-01-05 DJ Delorie <dj@redhat.com>
11344 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11345 (INIT_EXPANDERS): Define.
11347 * config/v850/v850.c (struct machine_function): Define.
11348 (v850_save_machine_status): New function.
11349 (v850_restore_machine_status): New function.
11350 (v850_return_addr): New function.
11351 (v850_init_expanders): New function.
11353 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11354 and v850_init_expanders.
11356 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11358 * cpplib.h (struct cpp_reader): Add help_only field.
11359 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11360 (cpp_handle_option): Set pfile->help_only if we see -h,
11361 --help, -target-help, or --version. Print version string but
11362 do not set help_only if we see -v or -version. Make text
11363 printed by -v match that printed by (-)-version.
11365 * cppmain.c (main): Exit after option parsing if
11366 pfile->help_only is true.
11368 * toplev.c (independent_decode_option): Call print_version,
11369 then exit, if we see --version (but not -version).
11370 (print_version): Split lengthy message into two lines.
11372 2001-01-05 Nick Clifton <nickc@redhat.com>
11374 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11375 temporary string for initialisation before calling ggc_alloc_string.
11377 2001-01-06 Michael Hayes <mhayes@redhat.com>
11379 * rtl.h (print_simple_rtl): New.
11380 * print-rtl.c (print_simple_rtl): New.
11381 (flag_simple): New.
11382 (print_rtx): Disable printing of flags and modes, etc.,
11383 if `flag_simple` nonzero.
11385 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11387 * function.c (fixup_var_refs): Use push_to_full_sequence where
11390 2001-01-05 Michael Meissner <meissner@redhat.com>
11392 * flags.h (flag_reorder_blocks): Add declaration.
11393 (flag_rename_block): Ditto.
11395 2001-01-05 DJ Delorie <dj@redhat.com>
11397 * function.c (reorder_blocks): Make sure the flags are all reset
11398 before using them to mark blocks, else a second invocation will
11399 corrupt the block chain.
11400 (reorder_blocks_0): New, resets the flags.
11402 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11404 * cse.c (find_comparison_args): Stop if the argument is known to
11407 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11409 * config/sh/sh.md (movdf): When splitting load into pair of
11410 registers, don't clobber the register used in the address too
11413 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11415 * varasm.c (mark_constant_pool): Improve initial comments.
11416 (mark_constants): Move marking of constants to mark_constant.
11417 (mark_constant): New function to recursively mark all constants
11418 referred to by a constant.
11420 2001-01-05 Catherine Moore <clm@redhat.com>
11422 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11424 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11426 * cp/lang-options.h: Bring comment in line with reality.
11427 * f/lang-options.h: Likewise.
11428 * java/lang-options.h: Likewise.
11429 * objc/lang-options.h: Likewise.
11430 * ch/lang-options.h: Likewise.
11431 * f/g77.texi: And update the manual.
11433 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11434 Denis Chertykov <denisc@overta.ru>
11436 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11437 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11438 * config/avr/avr.md (all peepholes that request a scratch register):
11439 Call it, FAIL the peephole if not safe (in interrupt functions).
11441 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11443 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11445 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11447 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11449 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11450 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11451 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11452 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11453 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11455 * extend.texi: Document these builtins.
11457 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11459 * c-common.c (lang_get_alias_set): Say we know nothing of
11460 VECTOR_TYPE aliasing.
11462 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11464 2001-01-05 Bruce Korb <bkorb@gnu.org>
11466 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11467 their x* equivalent versions for atexit-less systems
11468 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11469 systems (or any other system any more).
11471 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11473 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11474 output operands. Use arm_hard_register_operand for operand 4.
11475 (stmsi_postinc): Similarly.
11476 (ldmsi): Use arm_hard_register_operand for opernand 2.
11477 (stmsi): Similarly.
11478 * arm.c (arm_hard_register_operand): New function.
11479 * arm-protos.h (arm_hard_register_operand): Prototype it.
11481 * arm.h (HARD_REGNO_RENAME_OK): Define.
11483 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11485 * simplify-rtx.c (cfc_args): add "unordered" field.
11486 (check_fold_consts): Set unordered field.
11487 (simplify_relational_operation): Simplify the unordered
11490 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11493 * emit-rtl.c (try_split): Fix code to mark labels.
11494 * jump.c (mark_jump_label): Make global.
11495 * rtl.h (mark_jump_label): Declare.
11497 * predict.c (estimate_probability): Handle unordred comparisons.
11499 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11501 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11502 * cppinit.c (initialize_dependency_output): Update.
11503 (cpp_finish): Output dummy targets for -MP.
11505 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11506 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11507 * gcc.c (cpp_options): Update to handle -MP.
11508 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11509 to quote only the default target.
11510 (deps_phony_targets): Insert a preceding newline. Rename from
11511 deps_dummy_targets for consistency.
11514 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11516 * calls.c (emit_library_call_value_1): Support
11517 INIT_CUMULATIVE_LIBCALL_ARGS.
11518 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11520 2001-01-04 Richard Henderson <rth@redhat.com>
11522 * c-decl.c (finish_struct): Detect flexible array members
11523 used in an inappropriate context.
11524 * c-typeck.c (really_start_incremental_init): Special case
11525 constructor_max_index for zero length arrays.
11526 (pop_init_level): Allow initialization of flexible array
11527 members. Deprecate initialization of zero length arrays.
11528 Don't issue missing initializer warning for flexible array
11529 members or zero length arrays.
11530 (process_init_element): Don't dereference null DECL_SIZE.
11531 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11532 Don't abort for empty constructors. Use size_binop
11533 (output_constructor): Add commentary regarding zero length
11534 array futures. Abort if we try to initialize an array of
11535 unspecified length with a non-empty constructor in the middle
11538 * extend.texi (Zero Length): Update and clarify documentation
11539 on static initialization.
11541 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11543 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11544 with more than 32767 words of local storage.
11546 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11548 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11549 for 'abs', 'labs', and 'fabs'.
11550 (c4x_expand_builtin): Likewise.
11551 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11553 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11555 * config/sh/sh.md (prget, prset): New insn types.
11556 (return delay slot): Dont' allow prset.
11557 (call, sfunc delay slot): Don't allow prget.
11558 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11559 for prset and prget.
11561 2001-01-05 Michael Hayes <mhayes@redhat.com>
11563 * loop.h (struct loop_reg): New.
11564 (struct loop_regs): Change to use array of `struct loop_reg'.
11565 * loop.c: Replace assortment of varrays with single regs array.
11566 (count_one_set): Delete may_not_move array argument
11567 and use regs array instead. All caller's changed.
11568 (count_loop_regs_set): Delete may_not_move and single_usage
11569 arguments and use regs array instead. All caller's changed.
11570 (find_single_use_in_loop): Replace usage array argument with pointer
11571 to regs structure. All caller's changed.
11572 (loop_optimize): Delete `moved_once' array.
11574 2001-01-05 Michael Hayes <mhayes@redhat.com>
11576 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11577 Use it instead of loop_info->has_call for scanning loop mems.
11578 (check_dbra_loop): Replace loop_info->has_call test with
11579 loop_info->has_nonconst_call.
11581 2000-01-04 Matthew Hiller <hiller@redhat.com>
11583 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11586 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11588 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11589 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11591 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11593 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11594 (flag_short_double, flag_short_wchar): Define.
11595 (c_common_nodes_and_builtins): Create many tree nodes shared
11596 between C and C++ here instead of in cp/decl.c and ...
11597 * c-decl.c (init_decl_processing): ... here.
11598 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11599 (flag_short_double, flag_short_wchar): Don't define.
11600 (record_builtin_type): New function.
11601 (build_void_list_node): New function.
11602 * c-common.h (flag_short_double, flag_short_wchar,
11603 record_builtin_type, build_void_list_node): Declare.
11605 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11607 * integrate.c (expand_inline_function): Don't put a virtual
11608 register into the reg map.
11610 * function.c (fixup_var_refs_1): If force_operand didn't put
11611 the address into the target, move it there.
11613 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11615 Special-case tree_decl/tree_list allocations.
11616 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11617 (OBJECT_SIZE): New macro.
11618 (NUM_EXTRA_ORDER): Likewise.
11619 (extra_order_size_table): New variable.
11620 (NUM_ORDERS): New macro.
11621 (objects_per_page_table): New variable.
11622 (object_size_table): New variable.
11623 (G.pages): Use NUM_ORDERS to bound the array.
11624 (G.page_tails): Likewise.
11625 (DIV_ROUND_UP): Remove.
11626 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11627 (alloc_page): Use OBJECT_SIZE.
11628 (size_lookup): Don't make it const.
11629 (ggc_alloc): Use OBJECT_SIZE.
11630 (ggc_set_mark): Likewise.
11631 (ggc_get_size): Likewise.
11632 (init_ggc): Set up the object_size_table, objects_per_page_table,
11633 and adjust size_lookup.
11634 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11635 (ggc_pop_context): Use NUM_ORDERS.
11636 (clear_marks): Likewise.
11637 (sweep_pages): Likewise.
11638 (poison_pages): Likewise.
11639 (ggc_print_statistics): Use OBJECT_SIZE.
11641 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11643 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11644 Only call array_size_for_constructor if last field and array type
11645 with no upper bound.
11647 2001-01-04 Philip Blundell <philb@gnu.org>
11649 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11650 from bit 31 downwards, if this requires no more insns.
11651 (count_insns_for_constant): New helper function for above.
11653 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11655 * gencodes.c (output_predicate_decls): Remove empty initializer.
11657 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11659 * tree.c (copy_node): Remove documentation about obstacks.
11660 (buidl1): Check that nobody tries to build 2-argument nodes this
11663 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11665 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11668 * gencodes.c (output_predicate_decls): Fill empty initializer
11671 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11673 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11674 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11676 (do_include): Handle missing headers like cpp0.
11677 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11678 paths with first include pathname. Don't strcat to uninitialized
11681 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11683 * regrename.c (regrename_optimize): Don't rename from frame pointer
11684 if frame_pointer_needed.
11685 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11686 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11687 (ia64_reorg): Use it instead of scheduling if ! optimize.
11688 (errata_emit_nops): Properly call asm_noperands.
11689 (ia64_sched_reorder): Finish cycle if we see an asm.
11690 (ia64_variable_issue): Clear scheduling state after asms.
11692 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11694 * cpp.texi: Update for -MT.
11695 * cppinit.c (initialize_dependency_output): Add a default
11696 target if none has been given already.
11697 (no_tgt, OPT_MT): New.
11698 (cpp_handle_option): Handle -MT. Update -M etc.
11699 * cpplib.h (struct cpp_options): Remove deps_target.
11700 * gcc.c (cpp_options): Handle -MT.
11701 * mkdeps.c (struct deps): Move from mkdeps.h.
11702 (deps_calc_target): Rename deps_add_default_target. Add a
11703 default target if none has been specified already.
11704 * mkdeps.h (struct deps): Move to mkdeps.c.
11705 (deps_calc_target): Rename deps_add_default_target.
11707 2000-01-03 Richard Henderson <rth@redhat.com>
11709 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11711 * c-typeck.c (push_init_level): Move checks for flexible array
11712 members and zero length arrays ...
11713 (pop_init_level): ... here. Silently discard empty initializations.
11715 * varasm.c (output_constructor): Update for sizeof change to
11716 zero-length arrays.
11718 * extend.texi (Zero Length): Clarify semantics.
11720 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11722 * configure.in (tm.h): Include isns-codes.h last.
11723 * configure: Rebuilt.
11725 2001-01-03 Richard Henderson <rth@redhat.com>
11727 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11728 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11730 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11732 * tradcpp.c (main): Make sure finclude() is called with a valid
11733 indepth value while handling -include.
11735 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11737 * gencodes.c (output_predicate_decls): New function.
11739 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11740 even if it is not the first time machmode.h is #included.
11741 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11742 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11743 * gcc.texi (Copyright): Added 2001.
11745 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11747 * c-common.c (c_common_lang_init): New function. Warn if format
11748 warning options which only have effects when used with -Wformat
11749 are used without -Wformat.
11750 * c-common.h (c_common_lang_init): Declare.
11751 * c-lang.c (lang_init): Call c_common_lang_init.
11752 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11754 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11756 * configure.in: Check for the mktemp command.
11757 * configure: Regenerate.
11758 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11759 $TEMP. Create temporary files with mktemp, if available at
11760 configure time; otherwise use set -C. Remove temporary files
11763 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11765 * configure.in: Require at least texinfo 4.0. Check for whether
11766 Pod::Man is sufficiently recent to regenerate GCC manpages.
11767 * configure: Regenerate.
11768 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11770 (GENERATED_MANPAGES): Define.
11771 (generated-manpages): New target. Depend on cpp.1 as well as
11773 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11774 configure to generated-manpages or empty) rather than on the
11775 manpages directly. Remove execute permission from installed
11776 gcov.1 as well as cpp.1.
11777 * cpp.1, gcov.1: Regenerate.
11779 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11781 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11782 tree_low_cst. Allow using cmpstrsi in more cases.
11784 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11786 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11789 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11791 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11792 * Makefile.in (HOST_CFLAGS): Mention build-make.
11794 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11796 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11799 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11801 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11804 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11807 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11808 reg_base_value and reg_known_value arrays.
11809 (init_alias_analysis): Add more cases to detect known values.
11810 * sched-deps.c (deps_may_trap_p): New function.
11811 (sched_analyze_2): Use it.
11813 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11815 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11816 don't discard an ASHIFTRT if we're shifting in a wider mode.
11818 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11820 * toplev.c (rest_of_compilation): Don't print basic block information
11821 when CFG isn't up to date.
11823 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11825 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11826 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11827 (UNALIGNED_SHORT_ASM_OP): Define.
11828 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11830 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11832 * fold-const.c (fold_convert): Fix typo.
11834 2001-01-02 Richard Henderson <rth@redhat.com>
11836 * c-common.h (ASM_INPUT_P): New.
11837 * c-parse.in (asm): Set it when needed.
11838 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11839 existance of an operand.
11841 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11843 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11844 (dwarf2out_frame_debug_expr): Likewise.
11845 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11847 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11849 * i386.c (ix86_split_to_parts): Return number of part required;
11851 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11853 (ix86_split_long_move): Use number of part returned
11854 by ix86_split_to_parts
11855 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11857 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11858 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11859 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11860 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11861 (ALIGN_MODE_128): Add TFmode.
11862 (IS_STACK_MODE): Likewise.
11863 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11864 (HARD_REGNO_OK): Support TFmodes.
11865 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11866 * i386.md (scheduler definitions): Use memory operand to determine
11867 fst/fld instructions; use mode attribute to determine real mode of
11869 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11870 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11872 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11874 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11876 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11878 * expr.c (store_constructor_field): Update ALIGN before calling
11881 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11883 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11886 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11888 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11891 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11893 * c-decl.c (start_function): Don't warn on third parameter to main.
11895 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11897 * tsystem.h: Define HAVE_DECL_GETOPT.
11899 2001-01-02 Philip Blundell <pb@futuretv.com>
11901 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11904 2001-01-02 Richard Henderson <rth@redhat.com>
11906 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11908 2001-01-02 Andreas Jaeger <aj@suse.de>
11910 * c-decl.c (c_decode_option): Remove support of
11911 -Wmissing-noreturn.
11913 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11914 (W_options): Add -Wmissing-noreturn here.
11916 * flow.c: Define lang_missing_noreturn_ok_p.
11917 (check_function_return_warnings): Use it.
11919 * c-common.h: Declare lang_missing_noreturn_ok_p.
11921 * c-lang.c (c_missing_noreturn_ok_p): New function.
11922 (lang_init): Set lang_missing_noreturn_ok_p.
11924 * invoke.texi (Warning Options): Document this.
11926 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11928 * extend.texi (C++ Extensions): New node for C++ attributes;
11929 describe init_priority and com_interface.
11930 * invoke.texi: Remove -finit-priority as it now has zero effect.
11931 * install.texi: Fix xref syntax.
11932 * md.texi: Likewise.
11934 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11936 * config.gcc (sparc64-wrs-vxworks*): New case.
11937 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11939 * config/sparc/sparc.c (sparc_override_options): Do support different
11940 pointer and architecture size.
11941 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11942 (POINTERS_EXTEND_UNSIGNED): Define.
11943 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11944 (FUNCTION_MODE): Define to be Pmode.
11945 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11947 * function.c (expand_function_end): Properly handle DECL_RESULT
11948 and copy when ptr_mode != Pmode.
11949 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11951 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11953 * c-common.c (c_common_nodes_and_builtins): Set prototype
11954 parameters for __builtin_fputs, __builtin_fputc and
11955 __builtin_fwrite. Don't declare plain fputc as a builtin.
11957 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11959 * loop.c (add_label_notes): Increment the label usage count when
11960 a note is added to an insn which refers to a CODE_LABEL.
11961 * gcse.c (add_label_notes): Likewise.
11963 2001-01-01 Andreas Jaeger <aj@suse.de>
11965 * loop.c (scan_loop): Use xmalloc to allocate movables.
11967 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11969 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11970 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11971 * reload1.c (REGISTER_MOVE_COST): Likewise.
11972 * regclass.c (REGISTER_MOVE_COST): Likewise.
11973 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11974 dimension. Adjust all users.
11975 (init_reg_sets_1): Iterate on all modes.
11976 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11977 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11978 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11979 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11980 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11981 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11982 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11983 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11984 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11985 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11986 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11987 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11988 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11989 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11990 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11991 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11992 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11993 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11994 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11995 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11996 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11997 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11998 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11999 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12000 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12001 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12002 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12004 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12006 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12007 arg VARIES_P. Call it with extra arg.
12008 (true_dependence): Likewise.
12009 * rtl.h (rtx_addr_can_trap_p): Declare.
12010 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12012 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12013 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12014 pic offset table register if it's zero. All callers changed.
12015 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12017 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12019 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12020 STRING_POOL_ADDRESS_P.
12022 * config/sparc/sparc.c (input_operand): Properly test for short op.
12024 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12025 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12026 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12027 * config/sparc/elf.h: No longer include sol2.h.
12028 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12029 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12031 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12033 2001-01-01 Michael Hayes <mhayes@redhat.com>
12035 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12036 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12037 (record_initial): Likewise.
12038 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12039 (remap_split_bivs): Likewise.
12041 2001-01-01 Michael Hayes <mhayes@redhat.com>
12043 * loop.c (loop_ivs_free): New function.
12044 (strength_reduce): Break out from...
12046 2001-01-01 Michael Hayes <mhayes@redhat.com>
12048 * loop.h (struct iv): New.
12049 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12050 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12051 'reg_biv_class' fields with 'regs' and 'n_regs'.
12052 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12053 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12054 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12056 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12058 * resource.c (mark_referenced_resources): Abort() before
12059 attempting to mark a pseudo register.
12060 (mark_set_resources): Likewise.
12062 2001-01-01 Michael Hayes <mhayes@redhat.com>
12064 * loop.h (REG_IV_CLASS): New accessor macro.
12065 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12066 * unroll.c (REG_IV_CLASS): Likewise.
12068 See ChangeLog.4 for earlier changes.