1 2001-05-31 Richard Henderson <rth@redhat.com>
3 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
4 also link against libgcc.a.
6 2001-05-31 Geoff Keating <geoffk@cygnus.com>
8 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
9 * config/mips/mips.c (mips_output_ascii): New function.
10 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
12 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
14 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
16 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
17 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
19 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
21 * install.texi (Configuration): Add html links for --with-gnu-as &
22 --with-gnu-ld and refer to them from hppa & SCO triplets.
23 (Specific): Link back to with-gnu-ld for all ELF platfoms.
24 (Specific): Reword AVR binutils recommendation.
26 2001-05-30 Zack Weinberg <zackw@stanford.edu>
28 * ggc-page.c (size_lookup): Increase minimum allocation size
30 (ggc_print_statistics): Report size of each bin in bytes, not
31 as its order; there is no longer a direct relationship.
33 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
35 * extend.texi: Fix formating of examples, eliminate some
37 * gcc.texi: Eliminate some 'overfull hboxes'.
38 * invoke.texi: Use two spaces between command options, eliminate
39 some 'overfull hboxes'.
41 2001-05-30 Richard Henderson <rth@redhat.com>
43 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
45 2001-05-30 Tom Tromey <tromey@redhat.com>
47 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
48 use it in the new association.
50 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
51 John David Anglin <dave@hiauly1.hia.nrc.ca>
53 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
54 to target type to allow ISO C++ compiler to accept it.
55 * gthr-dce.h (__gthread_active_ptr): Likewise.
56 * gthr-solaris.h (__gthread_active_ptr): Likewise.
58 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
60 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
61 so that we do accept comments in preprocessed input.
63 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
65 * cpphash.c (alloc_node): Cast allocated pointer.
67 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
69 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
71 2001-05-29 Stan Shebs <shebs@apple.com>
73 * gcc.texi: Add links for information about Objective-C.
75 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
77 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
78 /bin/sed fails on [^\"]).
79 (configargs.h): Likewise.
81 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
83 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
85 2001-05-28 Stan Shebs <shebs@apple.com>
87 * objc/objc.gperf: Remove, no longer used.
89 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
91 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
92 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
93 Remove trailing whitespace.
95 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
97 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
98 became http://freeware.sgi.com/.
100 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
102 * local-alloc.c (update_equiv_regs): Don't eliminate constant
105 2001-05-27 Stan Shebs <shebs@apple.com>
107 * objc/objc-act.c: Add/fix various comments.
108 (init_selector): Remove, no longer used.
109 (build_msg_pool_reference): Ditto.
112 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
114 * c-decl.c (init_decl_processing):
115 Don't call start_identifier_warnings.
116 * flags.h (warn_id_clash, id_clash_len): Remove.
117 * stringpool.c: Don't include flags.h.
118 (scan_for_clashes, do_identifier_warnings,
119 start_identifier_warnings): Remove.
120 * toplev.c (warn_id_clash, id_clash_len): Remove.
121 (display_help): Don't document -Wid-clash.
122 (decode_W_option): Print warning on -Wid-clash.
123 * tree.h (start_identifier_warnings): Remove.
124 * invoke.texi: Remove documentation of -Wid-clash.
126 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
130 2001-05-27 Bruce Korb <bkorb@gnu.org>
132 * fixinc/check.tpl(HACK) add and use a Scheme variable
133 (has no test text): error out if no "test_text" is defined
134 * fixinc/fixincl.tpl: likewise
135 (FIXIDX): make it an enumeration so we minimize diffs
136 * fixinc/inclhack.def: re-alphabetize and add sort instructions
137 * fixinc/fixincl.x: regenerate
138 * fixinc/tests/base/stdio.h: test output got moved due to
140 * README-fixinc: rewrite (mostly)
142 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
144 * cpplib.c (run_directive): Set pfile->directive.
146 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
148 * c-tree.texi: Reformat the manual as a single chapter now
149 included by gcc.texi.
150 * gcc.texi: Include c-tree.texi. Merge all indexes.
151 * Makefile.in (dvi): Add generation for the cppinternals
152 documentation. Added dependencies on fdl.texi and c-tree.texi
153 where appropriate. Use TEXI2DVI instead of custom tex calls.
154 (info): Added dependencies on fdl.texi and c-tree.texi where
155 appropriate. Remove the target c-tree.info.
157 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
159 * combine.c (try_combine): Fix typo in comment.
160 * expr.c (expand_expr): Likewise.
161 * config/i370/i370.md (untyped_call): Likewise.
163 2001-05-26 Bruce Korb <bkorb@gnu.org>
165 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
166 when fixincl is operating in test mode
167 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
168 (AAB_ultrix_limits): remove redundant text
169 (AAB_ultrix_memory): ditto
170 (AAB_ultrix_string): ditto
171 (djgpp_wchar_h): fix the test text
172 (irix_stdio_va_list): add test text
173 (irix_limits_const): add a testing output file (limits.h is overwritten)
174 (strict_ansi_not_ctd): put limits.h second in list for same reason
175 (solaris27_mutex_init): test text needed selection text, too
177 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
178 when fixincl is operating in test mode
180 2001-05-26 Philip Blundell <philb@gnu.org>
182 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
183 * config/i960/i960-protos.h: Likewise.
184 * config/i370/i370-protos.h: Likewise.
185 * config/h8300/h8300-protos.h: Likewise,
186 * config/sh/sh-protos.h: Likewise.
187 * config/v850/v850-protos.h: Likewise.
189 2001-05-26 Philip Blundell <philb@gnu.org>
191 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
193 2001-05-25 Zack Weinberg <zackw@stanford.edu>
195 * toplev.c (debug_args, f_options, W_options): Mark
196 descriptions for translation.
197 (display_help): Translate descriptions on output.
199 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
200 objc/lang-options.h: Mark descriptions for translation.
202 * aclocal.m4: Quote final argument of patsubst. Use
203 3-argument form of AC_DEFINE. Restore quotes to [] while
205 * configure.in: Remove unnecessary changequote calls.
206 * configure, config.in: Regenerate.
208 2001-05-25 Sam TH <sam@uchicago.edu>
210 * basic-block.h: Fix header include guards.
211 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
212 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
213 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
214 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
215 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
216 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
217 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
218 varray.h version.h: Likewise.
219 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
220 config/arm/arm.h config/c4x/c4x-protos.h
221 config/h8300/h8300-protos.h config/h8300/h8300.h
222 config/i370/i370-protos.h config/i370/i370.h
223 config/i960/i960-protos.h config/mcore/mcore.h
224 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
225 config/v850/v850-protos.h config/v850/v850.h: Likewise.
226 * fixinc/fixlib.h fixinc/server.h: Likewise.
228 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
230 * config/arc/initfini.c (.init): Fix typo.
232 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
234 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
236 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
238 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
240 2001-05-25 Richard Henderson <rth@redhat.com>
242 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
244 2001-05-25 Richard Henderson <rth@redhat.com>
246 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
247 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
248 (sparc*-*-solaris2): Likewise.
249 * config/t-linux: Remove shared libgcc macros.
250 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
251 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
253 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
255 * config.gcc (*-*-freebsd*): Report bad configuration.
257 2001-05-25 David Edelsohn <edelsohn@gnu.org>
259 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
261 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
263 (ASM_OUTPUT_LABELREF): Delete.
265 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
267 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
268 strict_ansi_only): Don't run if stdc_0_in_system_headers.
269 * fixinc/fixincl.x: Regenerate.
270 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
271 (FIX_TEST_TABLE): Declare it.
272 * fixinc/fixlib.h: Include config.h.
274 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
276 * fixinc/inclhack.def (alpha___assert): Change char * args to
277 const char * on Tru64 UNIX to avoid excessive warnings from
279 * fixinc/fixincl.x: Regenerate.
281 2001-05-25 Geoff Keating <geoffk@redhat.com>
283 * dbxout.c (dbxout_symbol): Invert previous patch, which was
284 outputting a tag only for variable-size records.
286 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
288 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
289 instead of rtx_equal_p for early clobber test.
291 2001-05-26 Mark Mitchell <mark@codesourcery.com>
293 * builtins.def: Encode additional information, such as names and
295 * builtin-types.def: New file.
296 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
297 (built_in_decls): Likewise. Don't explicitly initialize global
299 (expand_builtin_mathfn): Handle float and long double variants of
301 (expand_builtin): Likewise.
302 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
303 (expand_tree_builtin): Handle long, long long, float, and long
304 double variants of math functions.
305 * c-common.h (c_tree_index): Remove some unused nodes.
306 (void_ftype): Remove.
307 (void_type_ptr): Likewise.
308 (int_ftype_int): Likewise.
309 (ptr_ftype_sizetype): Likewise.
310 * c-decl.c (init_decl_processing): Remove creation of DWARF
312 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
313 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
314 * Makefile.in (c-common.o): Depend on builtin-types.def.
316 2001-05-25 Dale Johannesen <dalej@apple.com>
318 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
320 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
322 * c-parse.in (notype_initdcl): Remove redundant line.
324 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
326 * aclocal.m4: Fixed typo.
327 (gcc_AC_HEADER_STDBOOL): Define.
328 (gcc_AC_C__BOOL): Define.
329 * configure.in: Use them.
330 (AC_CHECK_HEADERS): Remove stdbool.h
331 * configure, config.in: Regenerate.
333 2001-05-25 Richard Henderson <rth@redhat.com>
335 * function.c (expand_function_start): Don't abort on PARALLEL
336 returns from hard_function_value.
338 2001-05-25 Richard Henderson <rth@redhat.com>
340 * config/i386/i386.md: Revert previous change. Do not apply
341 the peephole if the components do not die after the sequence.
343 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
345 * c-parse.in (array_declarator): New. Handle C99 constructs.
346 Don't restrict [*] declarators to C only.
347 (after_type_declarator, parm_declarator_starttypename,
348 parm_declarator_nostarttypename, notype_declarator,
349 direct_absdcl1): Use it.
350 * c-decl.c (build_array_declarator, set_array_declarator_type):
351 New functions. Warn that [*] isn't properly implemented; pedwarn
352 for [*] outside C99 mode if pedantic rather than giving a hard
354 (grokdeclarator): Handle static and type qualifiers in parameter
356 * c-tree.h (build_array_declarator, set_array_declarator_type):
358 * extend.texi (Attribute Syntax): Document attributes in parameter
361 2001-05-25 Mark Mitchell <mark@codesourcery.com>
363 * config/i386/i386.md: Make sure cmpstr peepholes do not
364 affect liveness information.
366 2001-05-24 Mark Mitchell <mark@codesourcery.com>
368 * c-typeck.c (digest_init): Issue error messages about
369 invalid constants, not warnings.
371 2001-05-24 Mark Mitchell <mark@codesourcery.com>
373 * invoke.texi (-fno-builtin): Document that this is always on
376 2001-05-24 Philip Blundell <philb@gnu.org>
378 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
381 2001-05-24 Philip Blundell <philb@gnu.org>
383 * config/arm/arm.c (output_return_instruction): Correctly handle
384 interworking and interrupt functions.
386 2001-05-24 Philip Blundell <philb@gnu.org>
388 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
389 -m{no-}sched-prolog. Fix typos and improve formatting.
391 2001-05-24 Philip Blundell <philb@gnu.org>
393 * invoke.texi (ARM Options): Improve wording slightly. Add
394 documentation for more options, including those for Thumb mode.
395 Don't mention options that don't exist or are unimplemented.
396 (Thumb Options): Delete; merged into above section.
398 2001-05-24 Geoff Keating <geoffk@redhat.com>
400 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
401 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
403 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
405 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
406 fix hard register simplification.
408 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
410 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
411 of just copying CPP_CPU_SPEC.
413 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
415 * i386.c (incdec_operand): Accept only 1 and -1.
417 2001-05-23 Kelley Cook <kelley.cook@home.com>
419 * Makefile.in: Move many of the *_H definitions eariler in the
420 file, so that rules in t-* files that use them for
421 dependencies will work in a parallel build.
422 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
424 2001-05-23 Richard Henderson <rth@redhat.com>
426 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
428 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
430 * cpp.texi: Update for handling of charconsts.
431 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
432 diagnostics. Skip to the end if the UCS is too short.
433 (cpp_interpret_charconst): Long charconsts issue a warning
436 2001-05-23 Richard Henderson <rth@redhat.com>
438 * doc/install.texi (alpha-linux): Require binutils 2.11.
440 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
442 * c-lex.c (read_escape, read_ucs): Delete.
443 (lex_string): Use cpp_parse_escape.
444 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
445 if not C++ or not C99. Warn if traditional.
446 (parse_escape): Rename cpp_parse_escape. Make the bitmask
447 unsigned. Warn for out-of-range escape sequences here.
448 Update to use maybe_read_ucs.
449 (cpp_interpret_charconst): Don't warn here.
450 * cpplib.h (cpp_parse_escape): New exported function.
452 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
454 * extend.texi (Attribute Syntax): Clarify application of
455 attributes to parameters declared as functions or arrays.
457 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
459 * dbxout.c (dbxout_type_methods): Do still group methods by name.
461 2001-05-23 Zack Weinberg <zackw@stanford.edu>
463 * diagnostic.c (vnotice): Kill.
464 (fnotice): Call vfprintf directly.
465 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
466 verbatim, set_diagnostic_context): Rename string argument to
467 indicate that it is run through gettext.
468 (vbuild_message_string, build_message_string, output_do_printf):
469 Rename string argument to indicate that it is NOT run through
471 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
472 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
473 Run msgid argument through gettext.
474 (default_print_error_function): Run constant strings through
475 gettext when nothing else will.
476 (fatal_error, internal_error, error_recursion): Use fnotice.
477 Present complete sentences to gettext.
479 2001-05-23 Mark Mitchell <mark@codesourcery.com>
481 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
483 2001-05-23 Richard Henderson <rth@redhat.com>
485 * function.c (expand_function_start): Always use a pseudo
486 for the function result value.
488 2001-05-22 Richard Henderson <rth@redhat.com>
490 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
491 section pointer alignment.
493 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
495 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
496 of __USER_LABEL_PREFIX__.
498 2001-05-22 Richard Henderson <rth@redhat.com>
500 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
501 (__deregister_frame_info_bases): New.
502 * unwind-dw2-fde.h: Declare it.
503 * libgcc-std.ver: Export it.
504 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
505 called __register_frame_info_bases.
507 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
509 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
510 instead of #elif (which is OK for this case but not in general).
512 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
514 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
515 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
516 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
517 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
518 "r2" to the assembly file. Only issue allocs with non-zero parameters.
520 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
521 David O'Brien <obrien@freebsd.org>
523 * config/freebsd.h (LIB_SPEC): Key the exact setting to
524 configure-time options and target version of FreeBSD. Set-up
525 to match architectural change in threading support. Correctly
526 report when -pthread option is not supported by configure-time
528 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
529 and extend to encode target version number in run-time setting
530 of __FreeBSD__ macro to match the system compiler.
531 (CPP_PREDEFINES): Likewise.
532 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
534 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
535 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
537 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
538 David O'Brien <obrien@freebsd.org>
540 * config.gcc (the unlabeled system switch statement): Add
541 generic configuration section to handle *-*-freebsd*. Also,
542 to match the system compiler, default to threading support (it
543 may be disabled with the standard --disable-threads
544 configuration-time switch).
545 (i[34567]86-*-freebsd* in machine-specific section): Use it.
546 (alpha*-*-freebsd* in machine-specific section): Likewise.
548 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
549 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
550 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
551 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
552 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
554 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
555 David O'Brien <obrien@freebsd.org>
557 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
558 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
559 -pthread instead setting macro.
561 2001-05-22 Richard Henderson <rth@redhat.com>
563 * crtstuff.c (__register_frame_info_bases): Declare.
564 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
565 (__do_global_dtors_aux, __do_global_dtors): Streamline.
567 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
568 (CRT_GET_RFIB_DATA): New.
569 * config/i386/sysv4.h: Likewise.
570 * config/i386/sco5.h: Likewise.
571 (ASM_PREFERRED_EH_DATA_FORMAT): New.
573 2001-05-22 Richard Henderson <rth@redhat.com>
575 * rtl.c (read_string): Break out from ...
576 (read_rtx): ... here.
578 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
580 * doc/install.texi (Specific): Remove a bogus and duplicate part
581 copied from the end of the document.
583 2001-05-22 Bernd Schmidt <bernds@redhat.com>
585 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
587 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
589 * install.texi: Remove obsolete information on SunOS as well as
590 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
591 (Installing GNU CC on the Sun): Remove section.
593 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
595 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
596 keep errno unchanged on success.
598 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
600 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
601 once for hexadecimal floats, whether or not they contain a decimal
602 point. Don't let the setting of pedantic otherwise affect the
603 parsing of hexadecimal floats.
605 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
607 * README.ACORN: Remove obsolete file.
609 2001-05-22 Jan Hubicka <jh@suse.cz>
611 * combine.c (gen_binary): Use swap_commutative_operands_p
612 (simplify_comparison): Likewise.
613 * expmed.c (emit_store_flag): Likewise.
614 * expr.c (compare_from_rtx): Likewise.
615 (do_compare_rtx_and_jump): Likewise.
616 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
617 if not emitting a branch and operands want swapping.
619 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
621 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
622 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
623 (maybe_get_identifier): Update.
624 * tree.h (make_identifier): Delete.
626 2001-05-21 Richard Henderson <rth@redhat.com>
628 * combine.c (subst): Do not substitute for a register as
629 a destination subreg/strict_low_part/zero_extract.
631 * combine.c (simplify_comparison): Update op1 after constant
633 * recog.c (const_int_operand): Accept only constants valid
635 * genrecog.c: Update comments wrt const_int_operand.
637 * emit-rtl.c (init_emit_once): Zero unused memory in a
640 2001-05-21 Mark Mitchell <mark@codesourcery.com>
642 * tree.h (type_num_arguments): Declare it.
643 * tree.c (type_num_arguments): New function.
645 2001-05-21 Richard Henderson <rth@redhat.com>
647 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
650 2001-05-21 Geoff Keating <geoffk@redhat.com>
652 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
654 (minsf3): Use rs6000_emit_minmax.
655 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
657 (movsfcc): Use rs6000_emit_cmove.
658 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
659 Don't generate emit_fselsfsf4.
660 (fseldfsf4): Likewise.
661 (maxdf3): Use rs6000_emit_minmax.
663 (mindf3): Use rs6000_emit_minmax.
664 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
666 (movdfcc): Use rs6000_emit_cmove.
667 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
668 Don't generate emit_fselsfsf4.
669 (fselsfdf4): Likewise.
670 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
671 (min_max_operator): New predicate.
672 (rs6000_emit_cmove): New function.
673 (rs6000_emit_minmax): New function.
674 * config/rs6000/rs6000-protos.h: Prototype new functions.
675 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
676 and min_max_operator.
678 * config/rs6000/rs6000.c (output_cbranch): Handle all
679 conditional types in the switch statement.
681 2001-05-21 Mark Mitchell <mark@codesourcery.com>
683 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
684 non-register variables.
685 * extend.texi: Document that asm-specifications do not make sense
686 for non-static local variables.
688 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
690 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
691 (dbxout_type_fields): Lose minimal_debug support.
692 (dbxout_type_methods, dbxout_type): Likewise.
694 2001-05-17 Andrew Haley <aph@redhat.com>
696 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
698 2001-05-21 Richard Henderson <rth@redhat.com>
700 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
703 2001-05-20 Richard Henderson <rth@redhat.com>
705 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
706 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
707 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
708 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
709 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
711 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
712 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
713 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
714 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
715 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
716 DEBUG_PUBNAMES_SECTION): Rename as above.
717 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
719 2001-05-20 Richard Henderson <rth@redhat.com>
721 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
722 operands unless the operation is commutative.
724 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
726 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
729 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
731 * extend.texi: Clarify documentation of extensions included in ISO
732 C99. Prefer C99 terminology and syntax to old GNU terminology and
733 syntax. Add more index entries. Document mixed declarations and
734 code as an extension in C89 mode. Warn about future changes to
735 semantics of inline functions. Fixes PR other/930.
737 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
739 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
740 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
741 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
742 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
744 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
746 2001-05-20 Richard Henderson <rth@redhat.com>
748 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
749 to be output before a branch.
751 2001-05-20 Richard Henderson <rth@redhat.com>
753 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
755 2001-05-20 Richard Henderson <rth@redhat.com>
757 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
758 (ASM_DOUBLE): Remove.
759 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
760 * config/i386/sun386.h: Likewise.
762 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
763 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
765 * config/i386/cygwin.h (INT_ASM_OP): Remove.
766 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
767 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
768 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
770 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
771 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
772 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
773 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
774 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
775 * config/i386/win32.h: Likewise.
777 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
779 * invoke.texi: Add more options to summary list.
781 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
783 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
784 used. Fixes PR c/2291.
787 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
789 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
790 the -fpic and -fPIC options, clear flag_pic.
792 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
794 * hashtable.c (calc_hash): Fix HASHSTEP definition.
795 * stringpool.c (make_identifier): No statistics here anymore.
796 * objc-act.c (steup_string_decl): Remove redundant check.
798 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
800 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
801 cpplib.o, cpphash.o, fix-header): Update.
802 (hashtable.o): New target.
803 * c-common.h: Include cpplib.h. Define C_RID_CODE and
804 struct c_common_identifier here.
805 * c-lang.c (c_init_options): Update. Call set_identifier_size.
806 * c-lex.c (c_lex): Update.
807 * c-pragma.h: Update.
808 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
810 (C_RID_CODE): Delete.
811 * cpphash.c: Rewrite to use hashtable.c.
812 * cpphash.h: Update include guards.
813 (struct cpp_reader): Remove hashtab.
814 hash_ob and buffer_ob are no longer pointers. Add hash_table
816 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
817 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
818 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
819 * cppinit.c (cpp_create_reader): Update.
820 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
821 (cpp_interpret_charconst): Eliminate warning.
822 * cpplib.c (do_pragma, do_endif, push_conditional,
823 cpp_push_buffer, cpp_pop_buffer): Update.
824 (_cpp_init_stacks): Rename cpp_init_directives.
825 (_cpp_cleanup_stacks): Remove.
826 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
827 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
828 cpp_forall_identifiers, cpp_create_reader): Update.
829 (C_RID_CODE, cpp_make_node): New.
830 (c_common_identifier): New identifier node for C front ends.
831 * cppmain.c (main): Update.
832 * fix-header.c (read_scan_file): Update.
833 * flags.h (id_clash_len): Make unsigned.
834 * ggc.h (ggc_mark_nonnull_tree): New.
837 * stringpool.c: Update comments and copyright. Update to use
839 * toplev.c (approx_sqrt): Move to hashtable.c.
840 (id_clash_len): Make unsigned.
841 * toplev.h (ident_hash): New.
842 * tree.c (gcc_obstack_init): Move to hashtable.c.
843 * tree.h: Include hashtable.h.
844 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
845 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
846 (struct tree_identifier): Update.
847 (make_identifier): New.
849 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
850 (C_RID_CODE): Remove.
851 * lex.c (cxx_init_options): Call set_identifier_size. Update.
852 (init_parse): Don't do it here.
854 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
856 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
858 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
860 (expand_eh_return): Convert between word_mode and Pmode.
861 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
863 (execute_stack_op): Likewise.
864 (execute_cfa_program): Likewise.
865 (uw_frame_state_for): Likewise.
866 (uw_update_context_1): Likewise.
867 * unwind.inc (_Unwind_Reason_Code): Likewise.
868 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
869 (EH_RETURN_STACKADJ_RTX): Likewise.
870 * config/mips/mips.c (compute_frame_size): Make space for saving
872 (mips_expand_epilogue): Handle EH stack adjustments.
873 * config/mips/mips.md (eh_return): New pattern.
874 (eh_set_lr_si): Likewise.
875 (eh_set_lr_di): Likewise.
876 Add splitter to perform EH return after reload.
878 2001-05-19 Mark Mitchell <mark@codesourcery.com>
880 * jump.c (mark_jump_label): Tidy previous change.
882 2001-05-19 Bruce Korb <bkorb@gnu.org>
884 * fixinc/genfixes: no need for two warnings
885 * fixinc/Makefile.in: open stdin for those building with a closed one.
887 2001-05-19 Mark Mitchell <mark@codesourcery.com>
889 * jump.c (jump_optimize_1): Tidy.
890 (mark_jump_label): When changing the label in a LABEL_REF, change
891 update any REG_EQUAL notes as well.
893 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
895 * c-parse.in (parm_declarator): Split into
896 parm_declarator_starttypename and parm_declarator_nostarttypename.
897 (parm_declarator_starttypename, parm_declarator_nostarttypename):
898 New. Allow parenthesised sub-declarators which don't begin with a
899 TYPENAME. Fixes PR c/166.
901 2001-05-19 Mark Mitchell <mark@codesourcery.com>
903 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
905 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
907 * toplev.c (main): If the target does not allow profiling without
908 a frame pointer, issue an error message.
909 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
912 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
914 * recog.c (general_operand): Modify last change to allow it if reload
917 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
919 * recog.c (general_operand): Prohibit nonzero subreg bytes on
920 subregs containing mem.
922 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
924 * regrename.c (regrename_optimize): frame pointer register can
927 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
929 * README.DWARF: Move into dwarfout.c.
931 2001-05-18 Dale Johannesen <dalej@apple.com>
933 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
934 specific misuse of r0 as a reload address.
936 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
938 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
941 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
943 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
944 (add_to_sequence): Make that decision type.
945 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
946 (write_switch, write_cond, debug_decision_2): Likewise.
948 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
950 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
953 2001-05-18 Stan Shebs <shebs@apple.com>
955 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
956 * configure: Regenerate.
958 2001-05-18 Per Bothner <per@bothner.com>
960 Changes needed for java/jvspec.c
961 * gcc.h (n_infiles, outfiles): Add declarations.
962 * gcc.c (n_infiles, outfiles): Mske no longer static.
964 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
966 * config/pa/som.h (EXCEPTION_SECTION): Define.
968 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
970 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
972 Add have_location_lists, a variable to determine whether we need a
973 .debug_loc section or not.
974 (enum dw_val_class): Add dw_val_class_loc_list.
975 (dw_val_struct): Add val_loc_list.
976 (dw_loc_list_struct): New structure, represents location lists.
977 (new_loc_list): New function, return a new location list, given
978 the range and location expression.
979 (add_loc_descr_to_loc_list): New function, add a location
980 expression to a location list, given the expression and range.
981 (output_loc_list): New function, output a location list.
982 (gen_internal_sym): Modified to take symbol prefix, so we can
983 reuse it for location list symbols.
984 (add_AT_loc_list): New function, add a location list to a DIE at
986 (AT_loc_list): New function, return the location list reference
987 for a given attribute, if it's a location list.
988 (print_die): Handle dw_val_class_loc_list.
989 (size_of_die): Ditto.
990 (value_format): Ditto.
992 (output_location_lists): New function, output all of the location
993 lists for a DIE and it's children.
994 (dwarf2out_finish): Call output_location_lists if we have location
998 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1000 * gcse.c (try_replace_reg): First try global replace, later try to
1001 simplify the expression.
1003 * gcse.c (find_used_regs): Change calling convention; work via
1005 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1007 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1010 2001-02-09 Nick Clifton <nickc@redhat.com>
1011 * config/arm/arm.md: Change output constraint on post inc
1012 load/store multiple patterns to be a read/write constraint.
1014 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1016 * basic-block.h (struct basic_block_def): Add documentation about
1017 what a basic block is, and what the various fields are used for.
1018 * flow.c (calculate_globlal_regs_live): Add documentation about
1019 how the algorithm works, and how we know that it will terminate.
1020 Check that the the inductive assumption that guarantees
1021 termination actually holds.
1022 (mark_used_regs): Treat conditionally set registers as used.
1023 (debug_regset): Add comment.
1024 * rtl.texi (cond_exec): Add documentation.
1026 * function.c (expand_function_start): Avoid creating BLKmode
1029 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1031 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1032 DIE, even if it has no children.
1033 (dwarf2out_finish): Always output the line-number table, even if
1036 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1038 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1040 2001-05-17 Bruce Korb <bkorb@gnu.org>
1042 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1043 * fixinc/genfixes: emit a warning if AutoGen is out of date
1045 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1046 Bruce Korb <bkorb@gnu.org>
1048 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1049 found in fixinc directory. Facilitates binary distributions.
1051 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1053 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1056 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1058 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1060 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1062 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1063 (simplify_subreg): Handle complex types represented as CONCAT.
1065 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1066 * rtl.h (swap_commutative_operands_p): Declare.
1067 * rtlanal.c (swap_commutative_operands_p): New.
1068 (operand_preference): New static function.
1070 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1071 (gen_binary): Likewise.
1072 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1073 * simplify-rtx.c (simplify_gen_binary,
1074 simplify_gen_relational): Likewise.
1076 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1078 * cse.c (fold_rtx): Use simplify_subreg.
1080 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1081 (simplify_gen_subreg): New.
1082 (simplify_rtx): Use simplify_subreg.
1083 * rtl.h (simplify_gen_subreg): Declare.
1085 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1087 * doc/install.texi: Update Solaris information.
1089 * except.h (protect_cleanup_actions): Remove it.
1090 (lang_protect_cleanup_actions): Declare it.
1091 * except.c (protect_cleanup_actions): Remove it.
1092 (lang_protect_cleanup_actions): New variable.
1093 (init_eh): Don't make protect_cleanup_actions a GC root.
1094 (expand_eh_region_and_cleanup): Call
1095 lang_protect_cleanup_actions.
1096 (output_function_exception_table): Remove unused `align'
1098 * varasm.c (assemble_external): Abort if we have not yet
1099 opened the assembly output file.
1101 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1103 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1104 for eh_personality_libfunc.
1106 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1109 when calling simplify_subreg. This is needed to allow replacing
1110 of expression of one mode by expression of different mode.
1112 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1114 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1116 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1118 * expr.c (protect_from_queue): Protect against subsequent calls to
1120 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1123 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1125 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1127 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1129 * gccbug.in (CATEGORIES): Add "bootstrap".
1131 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1133 * simplify-rtx.c (simplify_subreg): Break out from ...
1134 * combine.c (combine_splify_rtx) ... here and ...
1135 * recog.c (validate_replace_rtx_1): ... here;
1136 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1137 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1138 (subreg_lowpart_p): ... here.
1140 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1142 * stmt.c (expand_asm_operands): For inout operands, make sure
1143 the substitution of '=' for '+' makes it into the rtl.
1145 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1146 (reload_as_needed): Call update_eliminable_offsets a bit later.
1148 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1150 * gcc.texi (gccbug): Refer to the web pages for detailed information
1153 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1155 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1157 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1158 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1159 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1160 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1161 * cross-make: Don't set LIBGCC1.
1162 * mklibgcc.in: Delete all code for building from libgcc1.c.
1163 Always honor LIB1ASMFUNCS if set.
1165 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1166 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1167 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1168 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1169 config/i386/uwin.asm, config/m68hc11/larith.asm,
1170 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1171 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1172 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1173 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1174 Delete or update references to libgcc1 in commentary.
1176 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1177 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1178 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1179 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1180 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1181 config/arm/t-semi, config/arm/t-strongarm-coff,
1182 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1183 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1184 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1185 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1186 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1187 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1188 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1189 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1190 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1191 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1192 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1193 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1194 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1195 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1196 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1197 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1198 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1199 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1200 config/mips/t-ultrix, config/mn10200/t-mn10200,
1201 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1202 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1203 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1204 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1205 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1206 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1207 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1208 config/sparc/t-sparclite, config/sparc/t-splet,
1209 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1210 config/sparc/t-vxsparc64, config/v850/t-v850:
1211 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1213 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1214 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1215 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1216 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1217 nongcc_SI_type, nongcc_word_type, or perform_*
1218 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1220 * config/i386/386bsd.h, config/i386/beos-elf.h,
1221 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1222 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1223 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1224 Don't include i386/perform.h.
1226 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1227 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1228 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1229 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1230 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1231 config/vax/t-openbsd, config/vax/t-vax: Delete.
1233 * config.gcc: Remove references to deleted files.
1234 (arm-semi-aof): Use arm/t-semi for tmake_file.
1236 * gcc.texi, install.texi, invoke.texi, tm.texi:
1237 Delete or rewrite text which is no longer relevant now that
1238 libgcc1 no longer exists.
1240 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1241 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1243 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1244 Bruce Korb <bkorb@gnu.org>
1246 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1249 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1251 * i386.md: Add two peepholes to clean up code generated by
1254 2001-05-16 Richard Henderson <rth@redhat.com>
1256 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1257 variants of non-absolute encodings.
1259 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1261 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1262 __register_frame_info_table_bases): Export.
1264 2001-05-16 Richard Henderson <rth@redhat.com>
1266 * except.c (eh_data_format_name): Move to ...
1267 * dwarf2asm.c: ... here. Use designated initializers if available.
1268 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1269 * dwarf2asm.h: Update declarations.
1270 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1271 ASM_PREFERRED_EH_DATA_FORMAT.
1272 (output_call_frame_info): Likewise. Use 'L' augmentation for
1275 * unwind-dw2-fde.h (struct fde_vector): New.
1276 (struct old_object): Rename from struct object.
1277 (struct object): New.
1278 (__register_frame_info_bases): Declare.
1279 (__register_frame_info_table_bases): Declare.
1280 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1281 * unwind-dw2-fde.c (objects): Remove.
1282 (unseen_objects, seen_objects): New.
1283 (__register_frame_info_bases): New.
1284 (__register_frame_info): Use it.
1285 (__register_frame_info_table_bases): New.
1286 (__register_frame_info_table): Use it.
1287 (__deregister_frame_info): Rewrite for changed object struct.
1288 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1289 (fde_unencoded_compare): Rename from fde_compare; uninline.
1290 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1291 (start_fde_sort): Adjust for new definition of fde_vector.
1292 (fde_insert): Likewise.
1293 (end_fde_sort): Likewise. Select comparison function based
1294 on properties of the object.
1295 (fde_split): Take object and fde_compare_t arguments.
1296 (frame_heapsort, fde_merge): Likewise.
1297 (classify_object_over_fdes): Rename from count_fdes. Handle
1298 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1300 (add_fdes): Handle encoded pointers.
1301 (init_object): Rename from frame_init. Update for new struct object.
1302 (linear_search_fdes): Rename from search_fdes. Handle encoded
1304 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1305 (binary_search_single_encoding_fdes): New.
1306 (binary_search_mixed_encoding_fdes): New.
1307 (search_object): New.
1308 (_Unwind_Find_FDE): Update for new struct object. Fill in
1310 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1311 iterating over EH data.
1312 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1313 fde_encoding, lsda_encoding.
1314 (read_uleb128, read_sleb128): Remove.
1315 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1316 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1317 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1319 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1321 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1323 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1324 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1325 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1326 cpp_spell_token, cpp_output_token): Similarly.
1327 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1328 do_pragma_poison, parse_assertion, do_assert): Similarly.
1329 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1330 save_parameter, _cpp_create_definition, check_trad_stringification,
1331 cpp_macro_definition): Similarly.
1332 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1333 * c-lex.c (cb_undef, c_lex): Similarly.
1334 * fix-header.c (recognized_function): Similarly.
1335 * cpplib.h (NODE_LEN, NODE_NAME): New.
1336 (cpp_hashnode): Rename length len.
1338 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1340 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1343 2001-05-16 Andreas Jaeger <aj@suse.de>
1345 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1347 * toplev.c: Include dwarf2asm.h for prototype of
1348 dw2_output_indirect_constants.
1350 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1352 * stmt.c (expand_asm_operands): Be able to offload addressof
1353 expression to memory. (PR optimization/185)
1355 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1357 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1358 applying distributive law.
1360 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1362 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1364 * gthr-dce.h (UNUSED): Attribute unused macro.
1365 (__gthread_key_dtor): Make arguments UNUSED.
1366 (__gthread_key_delete): Revise for compatibility with DRAFT4
1369 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1371 * doc/install.texi: Update AIX information.
1372 * README.RS6000: Remove obsolete file.
1374 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1375 Nathan Sidwell <nathan@codesourcery.com>
1377 * gcc.c (give_switch): Don't write before start of string.
1378 Always append suffix.
1380 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1382 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1385 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1387 * README.ALTOS: Remove obsolete file.
1389 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1391 * c-lex.h (save_and_forget_protocol_qualifiers,
1392 forget_protocol_qualifiers, remember_protocol_qualifiers):
1393 Remove deleted functions' prototypes.
1395 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1397 * c-parse.in (methodtype): New production.
1398 (methoddef, methodproto): Collapse separate '-' and '+'
1401 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1403 * c-common.h (RID_FIRST_PQ): New.
1404 * c-parse.in (objc_pq_context): New.
1405 (objc parser): Set objc_pq_context rather than calling
1406 remember_protocol_qualifiers and forget_protocol_qualifiers.
1407 Don't call save_and_forget_protocol_qualifiers.
1408 (yylexname): Handle objc protocol qualifiers here.
1409 * stringpool.c (struct str_header): Replace with sp_hashnode.
1410 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1411 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1412 Allocate an IDENTIFIER_NODE for each identifier.
1413 (FORALL_STRINGS, set_identifier): Delete.
1414 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1415 (ggc_alloc_string): Use an obstack.
1416 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1417 * tree.h: Update comments.
1418 (set_identifier): Delete.
1419 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1420 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1421 remember_protocol_qualifiers): Delete.
1423 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1425 * flow.c (life_analysis): After life analysis is complete, do
1426 an optional scan over insns looking for REG_LABEL notes that
1427 reference a deleted label.
1428 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1429 before peeking at LABEL_NUSES.
1431 2001-05-15 Richard Henderson <rth@redhat.com>
1433 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1434 (_Unwind_GetTextRelBase): New.
1436 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1438 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1440 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1442 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1443 so that CHOOSE_SECTION gets used.
1445 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1446 TARGET_RELOCATABLE like flag_pic for now.
1448 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1450 * rs6000.md (movdi splitter): Sign extend more efficiently.
1451 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1452 to "long long" valid on 32-bit and 64-bit hosts.
1453 (logical_operand): Cast trunc_int_for_mode return value.
1454 (rs6000_emit_move): Shift macro to encapsulate variable.
1455 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1456 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1457 plus_constant requires signed argument.
1459 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1461 * gthr-posix.h: Make additional pthread-* functions weak.
1463 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1465 * recog.c (apply_change_group): Avoid unneeded validating.
1467 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1469 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1470 (num_insns_constant): CONST_INT can be 64-bits.
1472 2001-05-14 Stan Shebs <shebs@apple.com>
1474 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1475 (LIBGCC_SPEC): Don't define.
1477 2001-05-14 Richard Henderson <rth@redhat.com>
1479 * configure.in (gcc_cv_as_eh_frame): New test.
1480 * config.in, configure: Rebuild.
1481 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1483 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1485 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1486 extended precision divide.
1488 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1490 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1491 for RETURNS as well.
1493 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1495 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1496 (CPP_CPU??_SIZE_TYPE): New.
1497 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1498 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1499 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1500 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1502 * i386.c (override_options): Add sorry about not suported modes.
1504 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1506 * config/pa/som.h (NM_FLAGS): Remove.
1507 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1508 (ASM_OUTPUT_SECTION_NAME): Remove.
1509 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1511 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1513 * regrename.c (regrename_optimize): Do not rename registers to
1516 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1518 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1519 contain MEMs. Remove useless distinction about clobbering
1522 2001-05-13 Geoff Keating <geoffk@redhat.com>
1524 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1525 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1526 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1527 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1528 (EXCEPTION_SECTION): Define.
1530 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1532 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1533 binary backward compat only.
1534 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1535 in LIB2FUNCS. Pass it to mklibgcc.
1536 * mklibgcc.in: Handle LIB2FUNCS_ST.
1538 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1540 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1542 * tm.texi (THREAD_MODEL_SPEC): Document it.
1543 * gcc.c (main): Use it.
1544 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1545 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1547 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1549 * rtl.h (SYMBOL_REF_WEAK): New macro.
1550 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1551 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1552 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1553 * gcc.texi: Remove wrong description.
1555 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1557 * Makefile.in (STAMP): New macro.
1558 Replace all uses of `touch' with $(STAMP).
1559 * fixinc/Makefile.in: Likewise.
1561 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1563 * configure.in: ldopen is never in -lexc, so don't test for it.
1564 Add test for exc_resume in -lexc for Ada.
1565 * configure: Regenerated.
1567 2001-05-12 Richard Henderson <rth@redhat.com>
1569 * dwarf2asm.c (size_of_encoded_value): New function.
1570 * dwarf2asm.h: Declare it.
1571 * except.c (output_function_exception_table): Align the TType
1572 array only as wide as the encoding.
1574 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1576 * extend.texi: Document #pragma GCC java_exceptions.
1578 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1580 * c-parse.in (bison parser, init_reswords): Remove uses of
1582 * c-tree.h (doing_objc_thang): Remove.
1584 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1586 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1587 about files not ending in newlines.
1589 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1591 * dwarfout.c (dwarfout_init): Add cast.
1592 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1593 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1595 * method.c (build_mangled_C99_name): Remove unused prototype.
1597 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1599 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1601 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1603 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1604 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1606 2001-05-11 Richard Henderson <rth@redhat.com>
1608 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1609 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1610 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1611 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1612 (dw2_output_indirect_constants): Prototype.
1613 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1614 current_function_func_begin_label if we'll need it for EH. Exit
1615 early for IA64_UNWIND_INFO.
1616 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1617 (eh_data_format_name): Update for indirect references.
1618 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1619 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1620 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1621 define HAVE_eh_return etc.
1622 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1623 (final_end_function): Don't call output_function_exception_table.
1624 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1625 (rest_of_compilation): Invoke output_function_exception_table
1626 for ia64 before assemble_end_function.
1627 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1628 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1630 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1631 * unwind.h: Declare them.
1632 * libgcc-std.ver: Export them.
1633 * unwind-pe.h: New file.
1635 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1637 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1639 (find_fde_for_dso): Extract DT_PLTGOT.
1640 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1641 the segment and gp as well.
1642 * config/ia64/frame-ia64.c: Remove file.
1643 * config/ia64/frame-ia64.h: Remove file.
1644 * config/ia64/unwind-ia64.c: New file.
1645 * config/ia64/unwind-ia64.h: New file.
1646 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1647 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1648 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1649 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1650 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1651 (IA64_UNWIND_INFO): Re-enable.
1652 (HANDLER_SECTION): Remove.
1653 (EH_RETURN_DATA_REGNO): New.
1654 * config/ia64/ia64.md (exception_receiver): Remove.
1655 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1656 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1658 2001-05-11 Richard Henderson <rth@redhat.com>
1660 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1661 calls and jumps to be bundled together.
1662 (ia64_reorg): Emit a break after a noreturn call that ends
1664 * config/ia64/ia64.md (break_f): New.
1666 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * c-lex.c (lex_charconst): Convert into a simple wrapper
1669 around cpp_interpret_charconst, to which most of the code
1671 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1672 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1673 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1674 (lex): Use cpp_interpret_charconst.
1675 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1676 hex_digit_value): New functions.
1677 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1678 * cpplib.h (cpp_interpret_charconst): New prototype.
1679 * Makefile.in: Update.
1681 2001-05-12 Dean Wakerley <dean@wakerley.com>
1683 * doc/install.texi: New file. Converted to texinfo from the HTML
1684 documentation in wwwdocs/htdocs/install.
1686 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1688 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1689 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1691 * toplev.c (compile_file): Move comment for opening output
1692 file to just before the code that opens the output file.
1694 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1696 * regmove.c (regmove_optimize): Suppress the optimization for
1697 unchanging destination register. Add comment above function.
1699 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1701 * Makefile.in: Exterminate all references to assert.h.
1702 * cross-make: Likewise.
1704 * configure.in: Correct commentary.
1705 * configure: Regenerate.
1707 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1710 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1711 config/t-netbsd, config/t-rtems, config/x-linux,
1712 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1713 No need to override INSTALL_ASSERT_H.
1715 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1716 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1717 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1719 2001-05-11 Graham Stott <grahams@redhat.com>
1721 * combine.c (simplify_comparison): Fix typo.
1723 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1725 * loop.h (struct movables): Remove `num'.
1726 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1727 Adjust call to strength_reduce.
1728 (num_unmoved_movables): New function.
1729 (move_movables): Don't set movables->num.
1730 (strength_reduce): Compute the number of instructions in the loop
1731 here, rather than in the caller.
1732 (check_dbra_loop): Always clear reversible_mem_store if there
1733 are any memory sets.
1734 (loop_regs_scan): Don't count instructions here.
1735 (count_insn_in_loop): New function.
1737 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1739 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1741 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1743 * c-common.c (finish_label_expr): New function, lifted from
1744 from cp/semantics.c.
1745 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1746 * c-parse.in: Move 3 blocks of parser code into new functions.
1747 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1748 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1749 (lookup_label): Remove.
1751 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1753 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1754 FLOAT_BIT_ORDER_MISMATCH.
1756 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1758 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1759 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1761 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1763 * expr.c (emit_group_load): extract_bit_field requires a REG or
1766 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1768 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1769 a computed jump into an unconditional jump.
1770 In second hunk of code for collapsing computed and conditional jumps
1771 into unconditional jumps, reemit the jump in additional cases.
1773 * jump.c (jump_optimize_1): Do not wrap the new jump target
1774 inside a LABEL_REF; gen_jump will do that automatically.
1776 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1778 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1779 contents for a SYMBOL_REF in case of floating point constants.
1781 2001-05-10 DJ Delorie <dj@redhat.com>
1783 * c-common.c (combine_strings): Widen strings in a
1784 host-endian-independent way.
1786 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1788 * c-parse.in: Remove many shift/reduce conflicts. Update
1790 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1791 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1792 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1793 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1794 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1795 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1796 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1797 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1798 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1799 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1800 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1801 typespec_reserved_nonattr, typespec_reserved_attr,
1802 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1803 structsp_nonattr, components_notype, component_notype_declarator,
1804 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1805 firstparm, setspecs_fp): New
1806 (typed_declspecs, reserved_declspecs, typed_typespecs,
1807 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1808 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1809 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1810 type_quals): Remove. Users updated.
1811 (initdecls, notype_initdecls, after_type_declarator,
1812 parm_declarator, notype_declarator, absdcl1, components, ivars):
1813 Don't allow attributes at the start of a declarator; include them
1814 in the production containing the declarator instead. Always
1815 require type specifiers before trying to redeclare a typedef name.
1816 (typename): Allow for attributes but warn that they are ignored.
1817 (parmlist, firstparm, setspecs_fp): Include attributes in
1818 parmlist; suck them off the parser stack in firstparm using
1821 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1823 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1824 to determine if a block has an unconditional jump at its end.
1826 * jump.c (jump_optimize_1): When converting a conditional jump
1827 to an unconditional jump, build the jump using gen_jump instead
1828 of just modify operands in-place.
1830 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1832 * cppinit.c (cpp_post_options): Shut off macro expansion if
1834 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1835 IN_I directives only if the # is in column 1 and the directive
1836 name begins in column 2.
1837 * cppmain.c (scan_buffer): Insert a space between # and an
1838 identifier, when that identifier is a directive name.
1840 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1841 in the header search path.
1842 (enum node_type): Add T_INCLUDE_NEXT.
1843 (directive_table): Add entry for include_next.
1844 (do_include_next): New function.
1845 (process_include): New routine, broken out of do_include.
1846 (finclude): Insert 'nhd' argument, to be copied into
1847 next_header_dir of the new buffer.
1848 (main): Adjust to match.
1849 * gsyslimits.h, limity.h: Un-indent #include_next.
1851 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1853 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1854 inclusion as a chapter of the GCC manual.
1855 * gcc.texi: Include objc.texi.
1856 * fdl.texi: Use @unnumberedsec for the addendum.
1857 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1859 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1861 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1863 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1865 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1866 handling of two-address insns.
1868 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1870 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1871 ../binutils/nm-new instead of ../binutils/nm.
1873 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1875 * i386.md (movdi splitter): Fix the splitting condition
1876 (float_extenddftf splitter): Fix mode.
1878 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1880 * genrecog.c (write_switch): Avoid outputting of switch for
1881 types wider than int.
1883 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1885 * reload1.c (copy_eh_notes): New function.
1886 (emit_input_reload_insns): Call it.
1887 (emit_output_reload_insns): Call it.
1889 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1891 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1893 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1894 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1896 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1898 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1900 * pa.md (interspace_jump): Revise comment.
1901 (builtin_longjmp): Block initial setup insns from delay slot of
1903 (builtin_setjmp_receiver): New expander to save and restore PIC
1906 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1908 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1910 * toplev.c (compile_file): Set up the output file before we call
1911 the various initializers for the compiler.
1913 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1914 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1916 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1917 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1919 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1921 * Makefile.in (tradcpp0): Correct typo in dependency list.
1923 2001-05-06 Geoff Keating <geoffk@redhat.com>
1925 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1926 the link register if we're not going to use it.
1928 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1929 (output_function_profiler): Likewise.
1931 2001-05-07 Alan Modra <amodra@one.net.au>
1933 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1935 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1937 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1938 zero-extend it. Make abs_inc unsigned.
1940 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1941 widest mode in narrowing and widening operations.
1943 * config/mips/mips.md: Sign extend CONST_INTs.
1945 2001-05-06 Andreas Jaeger <aj@suse.de>
1947 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1948 (i386 Options): Document -momit-leaf-frame-pointer.
1950 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1952 * c-typeck.c (internal_build_compound_expr): Check for
1953 array to pointer conversion just once.
1955 2001-05-05 Richard Henderson <rth@redhat.com>
1957 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1959 2001-05-05 Richard Henderson <rth@redhat.com>
1961 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1962 to the parent of the fixup region.
1964 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1966 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1968 * cpp.texi (__NO_INLINE): Document it.
1970 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1972 * cppfiles.c (struct include_file): New member err_no.
1973 (find_or_create_entry): Set it.
1974 (open_file): Don't set fds to -2. Instead, use err_no to
1975 remember previous errors, if any.
1977 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1979 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1980 between X and Y by using sequences of xgdx and xgdy.
1982 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1984 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1985 of '!' for the 'D' alternative ('!' is too strong).
1986 ("*logicalsi3_silshl16"): Likewise.
1987 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1988 ("movstrictsi"): Remove spurious '+'.
1989 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1990 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1991 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1994 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1996 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1998 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2000 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2003 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2005 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2008 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2010 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2011 soft register, use ror instead of rol.
2013 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2015 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2016 into account pre/post increment decrement for 68HC12.
2017 Fix other problems in replacement and fix call to reg_mentioned_p.
2019 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2021 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2022 Put the soft registers in bss for 68HC12.
2023 (L_regs_d3_4): New for _.d3 and _.d4.
2024 (L_regs_d5_6): Likewise.
2025 (L_regs_d1_2): Likewise.
2026 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2028 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2030 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2031 to the pre-processor when -fshort-double is specified.
2032 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2034 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2036 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2037 (__mulsi3): Rewrite for 68HC12.
2038 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2039 Mark 'x' constraint with earlyclobber to prevent a
2040 RELOAD_FOR_OTHER_ADDRESS to go in it.
2041 (mulhi3_m68hc12): New pattern.
2042 (mulhi3_m68hc11): Rename of mulhi3.
2043 (mulhi3): New expand for 68HC12 optimisation.
2044 (umulhisi3, mulhisi3): New patterns for 68HC12.
2046 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2048 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2049 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2050 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2052 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2054 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2055 constants cheap after reload.
2056 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2058 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2059 so that gcc prefers a shift by 16.
2060 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2062 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2064 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2066 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * alpha.h: NULL_PTR -> NULL.
2075 * i386.md: Likewise.
2078 * m68hc11.h: Likewise.
2079 * rs6000.h: Likewise.
2082 * sparc.h: Likewise.
2086 * final.c: Likewise.
2088 * recog.c: Likewise.
2090 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2092 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2093 `bool' parameter to `int'.
2095 * hash.c (hash_lookup): Likewise.
2097 * hash.h (hash_lookup): Likewise.
2099 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2101 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2103 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2105 2001-05-03 Geoff Keating <geoffk@redhat.com>
2107 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2108 -malign-loops, -malign-functions.
2109 * i386.c (ix86_align_funcs): Delete.
2110 (ix86_align_loops): Delete.
2111 (ix86_align_jumps): Delete.
2112 (override_options): Mark -malign-* as obsolete. Emulate their
2113 behaviour with the -falign-* options. Default -falign-* from
2114 the processor table.
2115 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2116 patch of Wed May 2 13:09:36 2001.
2117 (LOOP_ALIGN): Delete.
2118 (LOOP_ALIGN_MAX_SKIP): Delete.
2119 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2120 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2122 2001-05-04 Andreas Jaeger <aj@suse.de>
2124 * except.h: Add prototype declaration for
2125 expand_builtin_init_dwarf_reg_sizes.
2127 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2129 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2131 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2133 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2135 ("bitcmpqi2"): New pattern for bit-extract and test.
2136 ("bitcmphi"): New pattern for bitb/bita instructions.
2138 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2140 * gccbug.in: Use a temporary directory when the mktemp command is
2143 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2145 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2147 (INITIALIZE_TRAMPOLINE): Call it.
2148 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2149 (TRAMPOLINE_TEMPLATE): Remove.
2150 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2151 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2154 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2156 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2157 and crtendS.o with PIC.
2159 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2161 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2163 (___subdi3, ___adddi3): Use x instead of y as index register.
2164 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2165 (__memset, __memcpy): Likewise.
2166 (regs): Put the soft registers in bss for 68HC12.
2167 (abort): Use trap to abort for 68hc12.
2168 (__mulhi3, __mulhi32): Use emul for 68hc12.
2169 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2171 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2173 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2174 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2175 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2176 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2177 Set 68HC12 min offset to -65536.
2178 (print_operand): Put parenthesis arround the operand if it refers
2179 to a symbol having the same name as a register.
2180 (m68hc11_z_replacement): When z register is replaced by its
2181 equivalent soft register, force the insn to be re-recognized.
2182 (m68hc11_check_z_replacement): Fix the test when destination is
2183 the index register and z dies in the insn.
2184 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2186 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2188 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2189 costs according to processor variant.
2190 (m68hc11_shift_cost): New function to compute shift costs.
2191 (m68hc11_rtx_costs): Define costs according to processor variant.
2192 (m6811_cost): Costs for 68HC11.
2193 (m6812_cost): Costs for 68HC12.
2194 (COSTS_N_INSNS): Remove.
2196 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2197 (DEFAULT_RTX_COSTS): Remove.
2198 (CONST_COSTS): Define costs according to OUTER_CODE.
2199 (processor_costs): New struct to define costs.
2200 (m68hc11_cost): Pointer to current costs.
2202 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2204 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2205 and use m68hc11_notice_keep_cc when using leax/leay.
2206 (addhi3 split): Reject split if the insn is handled by
2208 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2209 push must be handled in a special way if the source operand uses
2210 sp as index register.
2211 (m68hc11_notice_keep_cc): New function.
2212 (m68hc11_gen_movhi): Use it when an insn changes a register but
2214 (m68hc11_gen_movqi): Fix move for 68HC12.
2215 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2217 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2219 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2220 and don't pass operands[0] to emit_library_call_value.
2222 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2224 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2225 (zero_extendsi split): Simplify and use (zero_extendhi).
2226 (*addhi3): Remove 'w' constraint since stack pointer is handled
2228 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2229 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2230 (*ashrhi3_const): Fix shift by 7.
2231 (*lshrsi3_const16): Fix template.
2232 (call, call_value): Fix constraint and predicate.
2234 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2236 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2237 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2238 (CC_REGNUM): Likewise.
2239 (*unnamed splits): Use above constants instead of hard coded numbers.
2240 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2241 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2242 (*return_16bit, *unnamed peepholes): Likewise.
2244 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2246 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2247 rs6000/rs6000.h twice.
2249 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2251 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2252 (CPP_SPEC): Conditionally define MSDOS and GO32.
2253 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2254 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2256 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2258 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2260 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2262 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2264 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2265 * integrate.c (expand_inline_function): Use xcalloc to allocate
2267 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2270 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2272 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2275 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2277 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2278 linker if -mrelax is given.
2279 (TARGET_SWITCHES): Document -mrelax.
2281 Re-installed 2001-01-09's patch:
2282 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2283 if it's wider than long and the target's long is wider than the
2286 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2288 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2289 directly include rs6000/rs6000.h. Instead do it in tm.h.
2291 2001-05-02 Stan Shebs <shebs@apple.com>
2293 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2294 NSConstantString for NeXT-style runtimes.
2295 (STRING_OBJECT_GLOBAL_NAME): New macro.
2296 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2297 OCTI_STRING_CLASS_DECL.
2298 (constant_string_global_id): New macro.
2299 (string_class_decl): Ditto.
2300 (setup_string_decl): New function.
2301 (build_objc_string_object): Use it to build a NeXT runtime
2302 compatible string initializer.
2304 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2306 * tradcpp.c (do_define): Make sure we don't walk past limit.
2308 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2310 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2311 offsets if not REG_OK_STRICT.
2313 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2314 (INT_REG_OK_FOR_INDEX_P): Likewise.
2315 (INT_REG_OK_FOR_BASE_P): Likewise.
2316 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2317 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2318 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2319 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2320 REG_OK_FOR_BASE_P. Take an additional parameter.
2321 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2322 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2323 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2324 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2325 rs6000_legitimate_address() and use it.
2326 * config/rs6000/rs6000.c: Update all callers.
2327 (rs6000_legitimate_address): New function.
2329 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2331 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2332 special_constant conditional blocks together.
2334 2001-05-02 Dale Johannesen <dalej@apple.com>
2336 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2338 (STRICT_ARGUMENT_NAMING): Define.
2339 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2340 function_arg_partial_nregs, setup_incoming_varargs): Remove
2341 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2344 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2346 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2348 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2351 * expr.c (store_field): Do nothing except elaborate side-effects if
2354 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * c-lex.c: NULL_PTR -> NULL.
2358 * emit-rtl.c: Likewise.
2360 * genpeep.c: Likewise.
2362 * mips-tdump.c: Likewise.
2363 * reload1.c: Likewise.
2364 * rtlanal.c: Likewise.
2366 * stor-layout.c: Likewise.
2367 * toplev.c: Likewise.
2369 2001-05-01 Per Bothner <per@bothner.com>
2371 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2372 call do_pending_stack_adjust before emiting label.
2374 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2376 * extend.texi: Fix typo.
2378 2001-05-01 Stan Shebs <shebs@apple.com>
2380 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2381 of UOBJC_MODULES_decl.
2382 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2383 (generate_descriptor_table): Ditto.
2384 (generate_protocols): Ditto.
2385 (generate_protocol_list): Ditto.
2386 (generate_classref_translation_entry): Ditto.
2388 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2390 * invoke.texi (Optimize Options): Add documentation for `--param
2391 max-delay-slot-insn-search' and `--param
2392 max-delay-slot-live-search' and reorder --param section.
2393 * params.def: Modify initial comment.
2394 * params.h (param_info): Add `help' member.
2395 * toplev.c (lang_independent_params): Include `help' description.
2396 (display_help): Print --param parameters.
2398 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2400 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2401 Remove references to deleted files.
2402 (*-*-openbsd): No need to override xmake_file.
2403 (*-*-sysv4): Treat like *-*-sysv.
2405 * configure.in: Probe for ldopen in various places, and set up
2406 collect2 to be linked with them if found.
2407 Don't dink with Windows registry stuff unless $host_os is a
2408 Win32 os name. Check to see if we need -ladvapi32.
2409 * configure: Regenerate.
2411 * Makefile: Get rid of CLIB and HOST_CLIB.
2412 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2413 * build-make: Get rid of HOST_CLIB.
2415 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2416 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2417 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2418 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2419 config/rs6000/x-rs6000: Delete.
2421 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2424 24 x-host fragments remain, 0 x-cpu, 3 top level.
2426 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2428 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2429 * configure: Regenerate.
2431 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2433 * Makefile.in (install-headers): Remove redundant dependency.
2435 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2437 * c-tree.texi (USING_STMT): Document.
2439 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2442 * c-common.c: Likewise.
2443 * c-decl.c: Likewise.
2444 * combine.c: Likewise.
2445 * rs6000.c: Likewise.
2446 * except.c: Likewise.
2447 * explow.c: Likewise.
2449 * fold-const.c: Likewise.
2450 * function.c: Likewise.
2453 * integrate.c: Likewise.
2455 * objc/objc-act.c: Likewise.
2456 * recog.c: Likewise.
2457 * reg-stack.c: Likewise.
2458 * reload.c: Likewise.
2459 * reload1.c: Likewise.
2460 * simplify-rtx.c: Likewise.
2462 * varasm.c: Likewise.
2464 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2466 * diagnostic.def: New file.
2467 * diagnostic.h (diagnostic_t): New enum.
2468 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2470 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2472 * tsystem.h: Test only POSIX for availability of string.h
2474 * config.gcc (all systems): If USG appeared in xm_defines,
2475 change it to POSIX. If both USG and POSIX appeared, just
2476 delete USG. Remove unnecessary quotes around xm_defines
2478 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2479 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2480 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2481 powerpc-*-linux*): No need to set xm_defines - handled by
2482 global settings for *-*-linux*.
2484 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2486 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2487 Always include gstab.h, not system stab.h. Don't provide
2488 default definitions of N_CATCH or N_OPT. Always use the
2489 gstab.h variant of STAB_CODE_TYPE.
2490 * final.c: Don't include stab.h/gstab.h at all, or provide
2491 defaults for N_SLINE and N_SOL.
2493 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2494 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2496 * sdbout.c: Always include gsyms.h instead of system syms.h.
2498 * configure.in: No need to check for stab.h.
2499 * configure, config.in: Regenerate.
2500 * Makefile.in (final.o): Don't depend on gstab.h.
2502 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2503 Richard Henderson <rth@redhat.com>
2505 * extend.texi: Improve documentation of volatile asms.
2507 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2509 * c-tree.texi: Fix thinko.
2510 * gcc.texi: Likewise.
2512 2001-04-30 Richard Henderson <rth@redhat.com>
2514 * c-common.c (c_promoting_integer_type_p): New function, from the
2515 corpse of old macro. Properly promote too-small enumerations and
2516 booleans. Adjust all callers.
2517 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2518 (c_promoting_integer_type_p): Declare.
2519 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2520 * c-typeck.c: Likewise.
2521 (default_conversion): Remove now redundant boolean check.
2523 2001-04-30 Jan Hubicka <jh@suse.cz>
2524 Richard Henderson <rth@redhat.com>
2526 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2528 (combine_stack_adjustments_for_block): Don't combine stack
2529 allocation followed by deallocations. Handle grow-up stacks.
2531 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2533 * fdl.texi: New file.
2534 * c-tree.texi: Use the GFDL.
2535 * gcc.texi: Likewise.
2537 2001-04-30 Stan Shebs <shebs@apple.com>
2539 * invoke.texi: Add a section documenting Objective-C options.
2541 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2543 * emit-rtl.c (try_split): Copy EH notes to sequence.
2545 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2547 * regmove.c (record_stack_memrefs): Catch all references to the
2550 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2552 * Makefile.in (stmp-fixinc): quote shell assignment values
2554 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2560 * prefix.c: Likewise.
2562 2001-04-28 Stan Shebs <shebs@apple.com>
2564 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2565 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2566 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2567 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2569 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2570 (NEXT_OBJC_RUNTIME): Define.
2572 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2574 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2575 * simplify-rtx.c (simplify_gen_relational): Likewise.
2577 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2579 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2580 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2582 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2583 registers in SSE case; fix handling of the immediates.
2584 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2585 operands to be in regsiters before reload.
2586 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2587 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2588 (abstf,absxf,negtf,negxf splitters): Compute
2589 properly the regnum for x86_64.
2590 (avsdf2_if_rex64): New.
2592 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2594 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2595 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2596 into the constant pool.
2597 * jump.c (jump_optimize_1): Remove barrier successors after all
2598 the LABEL_NUSES counds have been computed.
2599 (delete_barrier_successors): When deleting a tablejump insn, also
2600 delete the jump table it uses.
2601 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2604 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2606 * pa.c (FRP): Remove erroneous white space in macro definition.
2608 2001-04-28 Andreas Jaeger <aj@suse.de>
2610 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2612 * extend.texi: Likewise.
2613 * tm.texi: Likewise.
2615 2001-04-28 Andreas Jaeger <aj@suse.de>
2617 * md.texi: Use XX-bit instead of XXbit or XX bit where
2620 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2622 * gcc.c (process_command): Allow -l lib in addition to -llib
2623 for POSIX compliance. This fixes PR c/2347.
2625 * invoke.texi: Update section on Link Options accordingly.
2627 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2629 * function.c (purge_addressof_1): Remove the duplicate
2630 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2633 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2635 * except.c (expand_eh_region_start): Don't start a new block.
2636 (expand_eh_region_end): Don't end a block.
2637 * stmt.c (expand_end_bindings): Don't end EH blocks.
2638 (expand_decl_cleanup): Starting an EH region won't change the block.
2639 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2640 (is_eh_region): Lose.
2643 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2645 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2647 * collect2.c (main): Add `-L' case to remove duplicate entries.
2648 (is_in_args): New function to check for a duplicate argument.
2649 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2650 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2651 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2652 Define to be nonzero.
2654 2001-04-27 Andreas Jaeger <aj@suse.de>
2655 Richard Henderson <rth@redhat.com>
2657 * md.texi (Machine Constraints): Document additional i386
2658 constraints and fix description of "A".
2660 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2662 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2664 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2666 * except.c (get_exception_filter): word_mode, not Pmode.
2668 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2670 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2671 common to other movsf patterns. Move up so that in future
2672 people who change the other patterns will change it too.
2673 (movsf_lo_sum): Allow even for soft-float; add appropriate
2675 (movsf_high): Likewise.
2676 (movsf_high+1): Allow even for soft-float.
2678 * function.c (expand_function_end): Always clobber the
2679 return registers, even if there is no return label.
2681 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2683 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2685 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2687 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2688 (pushqi2_rex64, pushhi2_rex64): Add.
2690 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2692 * except.c (expand_eh_region_end_cleanup): Force pending stack
2693 adjust before emitting label that branches around cleanup code.
2695 2001-04-26 H.J. Lu (hjl@gnu.org)
2697 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2699 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2701 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2702 (ASM_OUTPUT_SECTION_NAME): Likewise.
2703 (ASM_WEAKEN_LABEL): Likewise.
2704 (UNIQUE_SECTION): Likewise.
2705 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2706 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2707 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2708 (ASM_OUTPUT_SECTION_NAME): Likewise.
2709 (ASM_WEAKEN_LABEL): Likewise.
2710 (UNIQUE_SECTION): Likewise.
2711 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2712 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2713 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2714 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2715 (ASM_FILE_START): Likewise.
2716 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2717 (ASM_DECLARE_OBJECT_NAME): Likewise.
2718 (ASM_FILE_END): Likewise.
2719 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2720 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2721 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2722 (ASM_OUTPUT_CASE_LABEL): Likewise.
2723 (ASM_OUTPUT_SKIP): Likewise.
2724 (ASM_OUTPUT_ASCII): Likewise.
2725 (ASM_OUTPUT_IDENT): Likewise.
2726 (READONLY_DATA_SECTION): Likewise.
2727 (EXTRA_SECTIONS): Likewise.
2728 (EXTRA_SECTION_FUNCTIONS): Likewise.
2729 (SELECT_RTX_SECTION): Likewise.
2730 (SELECT_SECTION): Likewise.
2732 * config/mips/linux.h (INVOKE__main): Undefine.
2733 (CTOR_LIST_BEGIN): Likewise.
2734 (CTOR_LIST_END): Likewise.
2735 (DTOR_LIST_BEGIN): Likewise.
2736 (DTOR_LIST_END): Likewise.
2737 (SET_ASM_OP): Defined it to ".dummy".
2738 (ASM_OUTPUT_DEF): Defined.
2739 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2741 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2743 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2744 assembler supports .p2align.
2746 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2748 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2750 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2752 * integrate.c (expand_inline_function): Check for error_mark_node
2755 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2757 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2760 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2762 * configure.in (configargs.h): Define thread_model.
2763 * configure: Rebuilt.
2764 * gcc.c (main): Print it with -v.
2766 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2768 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2769 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2770 * gcc.1: Regenerate.
2772 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2774 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2775 is_redundant_typedef): Use static inline instead of inline static.
2777 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2779 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2780 this directory is always searched.
2782 2001-04-25 Richard Henderson <rth@redhat.com>
2784 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2785 of registers to restore along non eh_return path.
2787 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2789 * c-format.c (check_format_info_recurse): Handle
2790 PLUS_EXPR for format string.
2792 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2794 * config/ia64/ia64.h (CC1_SPEC): Define.
2795 * config/ia64/linux.h (CC1_SPEC): Define.
2797 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2799 * emit-rtl.c (constant_subword): Also do sign extension in
2800 BITS_PER_WORD == 16 case.
2802 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2804 * loop.c (try_swap_copy_prop): Go back to checking insn.
2806 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2808 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2809 if check_mode is non-zero.
2811 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2813 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2814 out and comparison sequence has been detected, put result into
2815 proper temporary pseudo.
2817 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2819 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2820 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2821 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2822 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2823 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2824 for future reference.
2826 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2828 * except.c (reachable_handlers): Step out one level from a RESX.
2830 * except.c (struct eh_region): Rename 'last' to 'resume'.
2831 (mark_eh_region, duplicate_eh_region_1): Adjust.
2832 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2833 (build_post_landing_pads): Likewise.
2834 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2835 (expand_eh_region_end_must_not_throw): Likewise.
2836 (connect_post_landing_pads): Thread (only) regions with non-deleted
2839 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2840 registers around the cleanup.
2841 (get_exception_filter): New fn.
2842 (finish_eh_generation): Use it.
2844 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2846 * c-semantics.c (add_scope_stmt): Don't call
2847 current_scope_stmt_stack multiple times.
2849 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2850 Nathan Sidwell <nathan@codesourcery.com>
2852 Lazy __FUNCTION__ generation.
2853 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2854 RID_C99_FUNCTION_NAME): New _RIDs.
2855 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2856 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2857 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2859 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2860 (c99_function_name_decl_node, function_name_decl_node,
2861 pretty_function_name_decl_node, saved_function_name_decls):
2863 (struct language_function): Remove x_function_name_declared_p.
2864 (make_fname_decl): Remove a parameter.
2865 (declare_function_names): Remove prototype.
2866 (start_fname_decls, finish_fname_decls): Prototype.
2867 (fname_as_string): Likewise.
2868 (fname_string, fname_decl): Likewise.
2869 * c-common.c (make_fname_decl): Adjust.
2870 (struct fname_var_t): New struct.
2871 (fname_vars): New static array.
2872 (declare_function_name): Remove.
2873 (start_fname_decls, finish_fname_decls): New functions.
2874 (fname_as_string): New function from remnants of
2875 declare_function_name.
2876 (fname_string, fname_decl): New functions.
2878 * c-decl.c (c_function_name_declared_p): Remove.
2879 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2880 don't call declare_function_name. Call start_fname_decls.
2881 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2882 clobber the line number. Call finish_decl.
2883 (start_function): Call start_fname_decls.
2884 (finish_function): Call finish_fname_decls.
2885 Remove c_function_name_declared_p.
2886 (push_c_function_context): Don't push c_function_name_declared_p.
2887 (pop_c_function_context): Don't pop c_function_name_declared_p.
2888 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2889 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2890 (program): Call finish_fname_decls for C.
2891 (primary): Add VAR_FUNC_NAME.
2892 (reswords): Add slots for __FUNCTION__ et al.
2893 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2894 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2895 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2896 * c-semantics.c (prune_unused_decls): Remove.
2897 (finish_stmt_tree): Don't call prune_unused_decls.
2898 (genrtl_decl_stmt): Don't prune unused decls here.
2900 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2902 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2903 constant pool, use the pool's SYMBOL_REF instead.
2905 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2908 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2910 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2911 passing nested NOP_EXPRs to fold.
2913 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2915 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2917 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2919 * loop.c (loop_delete_insns): Add prototype.
2921 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2923 * configure.in: Remove ENABLE_STD_NAMESPACE.
2924 * config.in: Regenerated.
2925 * configure: Regenerated.
2927 2001-04-22 Stan Shebs <shebs@apple.com>
2929 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2931 * config/rs6000/xm-darwin.h: Remove file.
2933 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2936 (write_c_file_stat): Likewise.
2938 * dbxout.c (dbxout_init): Likewise.
2940 * profile.c (output_func_start_profiler): Likewise.
2942 2001-04-22 Philipp Thomas <pthomas@suse.de>
2944 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2945 require it instead of the CVS version.
2946 * cpperror.c (v_message): Put a blank before the macro
2947 body to not confuse exgettext.
2949 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2951 * flow.c (proagate_one_insn): Remove useless assignment.
2952 * jump.c (delete_insn): Tidy.
2953 * loop.c (try_copy_prop): When deleting an instruction with a
2954 REG_RETVAL note, delete the entire libcall sequence.
2955 (loop_delete_insns): New function.
2956 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2957 we're not substituting into them yet.
2959 2001-04-21 Kazu Hirata <kazu@hxi.com>
2961 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2963 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2965 * config/i960/i960.c (signed_arith_operand): Likewise.
2967 * calls.c (expand_call): Fix a comment typo.
2969 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2971 * configure.in: Probe for times, clock, struct tms, and clock_t.
2972 * configure, config.in: Regenerate.
2973 * timevar.c: Replace ifdef forest in get_time with (relatively)
2974 straightforward series of checks based on autoconf's probes.
2976 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2978 * config/pa/som.h (NM_FLAGS): Define.
2980 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2982 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2984 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2985 * ia64.c (nop_cycles_until): New function.
2986 (prev_cycle, prev_first, last_issued): New static variables.
2987 (ia64_sched_reorder): Additional arg for clock.
2988 On final scheduling pass, emit extra NOPs as needed.
2989 Set prev_first and prev_cycle.
2990 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2991 (ia64_variable_issue): Set last_issued.
2993 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2995 * config/i386/i386.c (ix86_expand_int_movcc,
2996 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2998 2001-04-20 Geoff Keating <geoffk@redhat.com>
3000 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3001 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3002 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3003 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3004 ctrdi_internal6): In the short-branch case, this insn is only 4
3005 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3007 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3009 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3010 "=u" is used together with "st" resp. "st(1)" clobber.
3012 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3014 * gcse.c (gcse_main): Fix comment typo.
3015 (delete_null_pointer_check): Likewise.
3016 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3017 * cse.c (cse_insn): Likewise.
3018 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3021 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3023 * toplev.c: Excise all code for the undocumented -dm option.
3024 (float_signal): Call signal just once, unconditionally.
3026 2001-04-19 Geoff Keating <geoffk@redhat.com>
3028 * fold-const.c (fold): Use first_rtl_op rather than
3029 TREE_CODE_LENGTH when looping over parameters of a tree.
3030 Correct strange grouping in test for evaluated SAVE_EXPR.
3032 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3034 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3035 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3037 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3038 name at 32 total characters.
3039 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3040 functions in named sections -- data items can still go into unique
3041 sections, but they have normal names (ie $LIT$ and $DATA$).
3043 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3046 2001-04-19 DJ Delorie <dj@redhat.com>
3048 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3049 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3050 * config/i386/cygwin.h: Likewise.
3051 * config/i386/mingw32.h: Likewise.
3052 * config/vax/vms.h: Likewise.
3053 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3055 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3056 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3057 * config/i386/xm-cygwin.h: Likewise.
3058 * config/i386/xm-djgpp.h: Likewise.
3059 * config/i386/xm-mingw32.h: Likewise.
3060 * config/vax/xm-vms.h: Likewise.
3062 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3063 instead of OBJECT_SUFFIX.
3064 * collect2.c (find_a_file): Look for files matching the extension
3065 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3066 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3067 TARGET_EXECUTABLE_SUFFIX.
3068 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3069 (make_relative_prefix): Likewise.
3070 (convert_filename): Use TARGET_ suffixes throughout. Remove
3072 (process_command): Likewise.
3073 (do_spec_1): Likewise.
3074 * java/lang.c (init_parse): Likewise.
3076 * gcc.texi : Document four new options matching the pattern
3077 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3078 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3079 documentation for NO_AUTO_EXE_SUFFIX.
3081 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3083 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3084 that language-independent processing should not be done.
3085 * toplev.c (main): Adjust accordingly.
3087 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3088 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3090 * mips.md (reload_outputdi): Require that operand0 be a
3093 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3095 * invoke.texi (-Wshadow): Clarify.
3097 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3099 * loop.c (load_mems): Examine all the instructions in the loop
3100 before concluding that all jumps branch to the first instruction
3103 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3105 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3107 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3109 * cpp.texi (-Wwhite-space): Remove.
3110 (-Wall): -Wall does not imply -Wwhite-space.
3112 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3114 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3115 use it instead of blindly generating a .stabs.
3116 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3118 * xcoffout.c: Don't bother defining default for N_CATCH.
3119 (UNKNOWN_STAB): Use internal_error.
3120 (stab_to_sclass): Remove now-unnecessary aborts.
3121 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3123 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3125 * jump.c (mark_all_labels): Canonicalize the tail recursion
3126 label attached to CALL_PLACEHOLDER insns.
3128 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * output.h (dump_flow_info, free_basic_block_vars,
3131 which_alternative): Delete redundant prototypes.
3133 * rtl.h (bss_section): Likewise.
3135 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3137 * dbxout.c (N_OPT): Define if not available from <stab.h>
3139 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3141 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3142 libraries and native K&R compilers.
3144 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3146 * c-typeck.c (convert_arguments): Don't check for width changes
3149 * invoke.texi (-Wtraditional): Update documentation.
3151 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3153 * toplev.c (output_lang_identify): Delete.
3154 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3155 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3156 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3157 after calling ASM_FILE_END.
3159 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3160 Instead, unconditionally emit an N_OPT stab with string equal
3161 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3163 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3165 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3166 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3167 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3168 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3169 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3170 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3171 config/i370/i370.h, config/i386/beos-elf.h,
3172 config/i386/osf1elf.h, config/i386/osfrose.h,
3173 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3174 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3175 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3176 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3177 config/mips/iris6.h, config/mips/osfrose.h,
3178 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3179 config/sparc/sp64-elf.h:
3180 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3181 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3183 * config/elfos.h, config/freebsd.h, config/linux.h,
3184 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3185 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3186 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3187 of ASM_FILE_START which merely emit a .version directive. Delete
3188 definitions of ASM_FILE_END which merely emit an .ident directive.
3190 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3191 ASM_IDENTIFY_GCC and move part of its logic into
3194 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3195 config/sparc/linux-aout.h: Don't emit .version directive in
3198 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3199 (output_file_start): Correct comment.
3201 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3202 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3204 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3205 * config/rs6000/aix.h: Correct comment.
3207 * config/i386/i386afe.h: Delete.
3208 * config.gcc: Remove references to i386afe.h.
3210 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3211 other macros deleted by this patch were undocumented.
3213 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3215 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3217 * pa.c (secondary_reload_class): SAR<->FP copies require a
3220 * install.texi (mips-mips-bsd): Update list of functions
3221 required to include memmove.
3222 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3223 used functions to include memmove.
3225 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3227 * i386.md (sqrtdf2): SFmode should be DFmode.
3229 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3231 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3232 (find_moveable_store): Likewise.
3234 2001-04-15 Jim Wilson <wilson@redhat.com>
3236 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3238 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3240 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3241 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3243 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3245 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3248 2001-04-14 Alan Modra <amodra@one.net.au>
3250 * pa.c (force_mode): New function.
3251 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3253 2001-04-13 Jim Wilson <wilson@redhat.com>
3255 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3256 (first_instruction): New static variable.
3257 (rtx_needs_barrier): Return 1 for alloc.
3258 (init_insn_group_barriers): Set first_instruction.
3259 (rws_sum): Delete duplicate definition.
3260 (group_barrier_needed_p): Return 0 when first_instruction true.
3261 (safe_group_barrier_needed_p): Save and restore first_instruction
3262 around group_barrier_needed_p call.
3264 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3266 * expr.h (enum libfunc_index): Add LTI_memmove.
3267 (memmove_libfunc): Define macro.
3268 * optabs.c (init_optabs): Initialize memmove_libfunc.
3269 * expr.c (expand_assignment): Use memmove_libfunc instead of
3272 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3274 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3277 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3279 * Makefile.in (reg-stack.o): Depend on reload.h.
3280 (insn-attrtab.o): Depend on flags.h.
3282 * genattrtab (main): Include flags.h in insn-attrtab.c.
3284 * reg-stack.c: Include reload.h.
3286 * sparc.h (flag_pic): Delete redundant declaration.
3288 * output.h (flag_pic): Likewise.
3290 * tree.h (pedantic): Likewise.
3292 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3294 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3296 * jump.c, regmove.c, toplev.c: Include reload.h.
3298 * reload.h (reload_cse_regs): Declare.
3300 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3301 reload_cse_regs, init_reload, mark_home_live, reload,
3302 init_caller_save): Delete redundant prototypes.
3304 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3306 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3308 * regclass.c, ssa.c: Include expr.h.
3310 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3311 gen_move_insn): Delete redundant declarations.
3313 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3315 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3316 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3317 MAKEINFO and MAKEINFOFLAGS too.
3318 (stage4_build): Correctly order -B flags.
3320 2001-04-13 Alan Modra <amodra@one.net.au>
3322 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3323 PIC_OFFSET_TABLE_SAVE_RTX.
3324 (zdepi_cint_p): Describe zdepi insn.
3325 Formatting and white space fixes throughout file.
3327 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3328 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3329 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3330 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3331 (output_64bit_and): Use plain `int's for shift counts.
3332 (output_64bit_ior): Likewise.
3333 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3334 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3337 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3338 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3339 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3340 NEW_HP_ASSEMBLER into one. Kill warnings.
3342 * pa-gas.h: Delete file.
3343 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3344 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3345 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3346 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3348 * config/pa/mill32.S: New file.
3349 * config/pa/mill64.S: New file.
3350 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3351 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3352 * config/pa/t-linux64: New file.
3353 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3354 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3355 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3357 * elfos.h (SELECT_SECTION): Undef before defining.
3358 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3359 (LIB_SPEC): Remove -lmilli.
3360 (DBX_REGISTER_NUMBER): Remove.
3361 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3362 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3363 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3364 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3365 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3366 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3367 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3368 TARGET_GAS): Define.
3369 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3370 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3371 regs if we don't have a prototype.
3372 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3373 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3374 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3375 EH_RETURN_HANDLER_RTX): Define.
3376 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3377 (DWARF_FRAME_REGNUM): Define.
3378 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3379 * pa32-linux.h: New file.
3380 * pa64-linux.h: New file.
3382 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3383 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3384 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3385 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3386 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3387 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3388 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3389 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3390 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3391 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3392 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3393 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3394 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3395 * pa64-hpux.h: New file.
3396 (ASM_FILE_START): Correct typo.
3397 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3398 * config.gcc: Modify for above.
3400 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3402 * jump.c (jump_optimize_1): Don't delete dead stores here.
3403 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3404 prior to running jump optimize before cse2.
3406 2001-04-12 Richard Henderson <rth@redhat.com>
3408 * Makefile.in (regmove.o): Depend on except.h.
3409 * regmove.c: Include it.
3411 2001-04-12 Stan Shebs <shebs@apple.com>
3413 * objc/objc-act.c: Remove all code ifdefed with the never-used
3414 macro OBJC_INT_SELECTORS.
3415 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3416 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3418 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3420 * config/pa/quadlib.c: Add prototypes.
3422 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3424 * bitmap.h (debug_bitmap): Delete redundant prototype.
3426 * rtl.h (get_frame_size): Likewise.
3428 2001-04-12 Jim Wilson <wilson@redhat.com>
3430 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3431 to just emit an fnorm.
3433 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3435 * c-common.h (truthvalue_conversion, type_for_mode,
3436 type_for_size): Delete redundant declarations.
3438 * c-lex.h (is_class_name): Likewise.
3440 * c-tree.h (pedantic, convert, getdecls, gettags,
3441 global_bindings_p, init_decl_processing, insert_block,
3442 maybe_build_cleanup, poplevel, print_lang_decl,
3443 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3444 set_block, incomplete_type_error, build_function_call,
3445 lvalue_or_else, mark_addressable): Likewise.
3447 * expr.h (expand_tree_builtin): Likewise.
3449 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3451 * invoke.texi: Document --param max-gcse-memory.
3453 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3455 * configure.in (errno): Check for declaration.
3456 * configure, config.in: Regenerated.
3458 * system.h (errno): Only declare if not already done.
3460 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3462 * recog.c (general_operand, immediate_operand,
3463 nonmemory_operand): Require CONST_INTs to be sign-extended
3464 values for their modes.
3466 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3468 * expmed.c (store_bit_field): Truncate CONST_INTs.
3469 (expand_mult_highpart, expand_divmod): Likewise.
3470 * expr.c (convert_modes, store_field): Likewise.
3471 * integrate.c (expand_inline_function): Use promote_mode() to
3472 determine whether to convert_modes() an argument as signed
3474 * optabs.c (expand_binop): Get CONST_INT operands
3475 sign-extended for their appropriate modes.
3476 * stmt.c (emit_case_nodes): Convert node values to the
3478 (expand_end_case): Convert minval and range to the appropriate
3480 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3481 the iteration variable.
3482 * varasm.c (immed_double_const): Don't require words to be
3483 narrower than host wide ints to properly sign-extend
3486 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3488 * sh.md (builtin_setjmp_receiver): New expander.
3490 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3492 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3493 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3494 for generating CONST_INT and CONST_DOUBLE.
3496 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3498 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3499 already sign-extended.
3500 (rs6000_emit_prologue): Make register iterator signed.
3501 (rs6000_emit_epilogue): Likewise.
3502 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3504 (movsf split, movdf split): Sign-extend CONST_INTs.
3505 (movdi splits): Likewise.
3507 2001-04-12 Kelley Cook <kelley.cook@home.com>
3509 * config-lang.in (lang_dirs): Add in zlib.
3511 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3513 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3514 operands that make it to RTL.
3516 2001-04-11 Stan Shebs <shebs@apple.com>
3518 Add Darwin (Mac OS X kernel) native support.
3519 * config.gcc (powerpc-*-darwin*): Add native bits.
3520 * config/darwin.c: New file, generic Darwin support functions.
3521 * config/darwin.h: New file, generic Darwin definitions.
3522 * config/darwin-protos.h: New file, generic Darwin prototypes.
3523 * rs6000/darwin.h: New file, Darwin for PowerPC.
3524 * rs6000/t-darwin: New file, Darwin makefile fragment.
3525 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3526 (TARGET_MACHO): Ditto.
3527 (rs6000_abi): Add ABI_DARWIN.
3528 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3529 (RS6000_SAVE_AREA): Ditto.
3530 (FP_ARG_MAX_REG): Ditto.
3531 (RETURN_ADDRESS_OFFSET): Ditto.
3532 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3534 (rs6000_emit_move): Add ABI_DARWIN cases.
3535 (print_operand): Ditto.
3536 (first_reg_to_save): Ditto.
3537 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3538 (debug_stack_info): Ditto.
3539 (rs6000_emit_prologue): Ditto.
3540 (rs6000_emit_epilogue): Ditto.
3541 (output_profiler_hook): Ditto.
3542 (output_function_profiler): Ditto.
3543 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3544 (output_mi_thunk): Add TARGET_MACHO case.
3545 (add_compiler_stub): Ditto.
3546 (output_compiler_stub): Ditto.
3547 (no_previous_def): Ditto.
3548 (output_call): Ditto.
3549 (machopic_output_stub): Ditto.
3550 (rs6000_machopic_legitimize_pic_address): Ditto.
3551 (toc_section): Ditto.
3552 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3553 (macho_high): Ditto.
3556 (load_macho_picbase): Ditto.
3557 (call): Add TARGET_MACHO case to modify function.
3558 (call_value): Ditto.
3559 (call_nonlocal_sysv): Add ABI_DARWIN case.
3560 (call_value_nonlocal_sysv): Ditto.
3561 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3563 (machopic_output_stub): Ditto.
3564 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3566 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3568 * dwarf2out.c (modified_type_die): Don't create new types here.
3569 * tree.h (get_qualified_type): New function.
3570 (build_qualified_type): Adjust comment.
3571 * tree.c (get_qualified_type): New function.
3572 (build_qualified_type): Use it.
3574 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * cpp.texi (-Wtraditional): Update description.
3578 * invoke.texi (-Wtraditional): Likewise.
3580 2001-04-11 Jim Wilson <wilson@redhat.com>
3582 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3583 requires more than 64 bits of alignment.
3585 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3587 * cpplib.c (do_line): Sanity check iff enable checking.
3589 2001-04-11 Richard Henderson <rth@redhat.com>
3591 * Makefile.in (insn-recog.o): Depend on toplev.h.
3592 (insn-emit.o, doloop.o): Likewise.
3593 * genrecog.c, genemit.c: Include toplev.h in generated file.
3594 * doloop.c: Include toplev.h.
3596 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3598 * Makefile.in (gcse.o): Depend on params.h.
3599 * gcse.c: Include params.h.
3600 (gcse_main): Don't do GCSE if doing so will take inordinate
3602 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3603 * params.h (MAX_GCSE_MEMORY): New macro.
3605 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3607 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3609 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3611 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3613 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3615 * real.h (ereal_atof, real_value_truncate, target_isnan,
3616 target_isinf, target_negative, assemble_real, debug_real): Delete
3617 redundant prototypes.
3619 * Makefile.in (ifcvt.o): Depend on toplev.h.
3621 * c-semantics.c: Include expr.h.
3623 * ifcvt.c: Include toplev.h.
3625 * expr.h (rtx_equal_p): Delete prototype.
3627 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3628 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3629 eliminate_constant_term, expand_complex_abs, find_single_use,
3630 make_tree, init_expr_once, init_optabs, supports_one_only):
3633 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3634 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3635 expand_assignment, store_expr, emit_line_note_after,
3636 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3638 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3640 * sparc-protos.h: Delete redundant prototypes.
3642 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3644 * reload.c (push_reload): Add condition missed in SUBREG byte
3647 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3649 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3651 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3653 * i386.md (floatsisf_sse): Fix output template
3654 * i386.c (ix86_expand_fp_movcc)
3656 * reg-stack.c (emit_pop_insn): Handle complex modes.
3657 (move_for_stack_reg): Emit proper move mode.
3658 (subst_stack_regs_pat): Handle complex modes.
3660 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3662 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3664 2001-04-10 Richard Henderson <rth@redhat.com>
3666 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3667 (__pure_virtual, __terminate, __terminate_set_func,
3668 __default_terminate, __throw_type_match, __empty,
3669 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3670 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3671 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3672 Remove prototypes of deleted functions.
3674 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3676 * c-typeck.c (convert_arguments): -Wtraditional now activates
3677 -Wconversion warnings, except for changes in signed-ness.
3678 Detect complex<->int & int<->complex conversions as well.
3680 * invoke.texi (-Wtraditional): Document it.
3682 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3684 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3685 * flow.c (set_block_for_new_insns): Remove needless cast and
3686 properly check for unset block number.
3688 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3690 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3691 the subreg was a hard register. Pseudos are left as subregs.
3693 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3695 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3696 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3697 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3698 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3699 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3701 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3703 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3705 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3707 * output.h (set_block_num): Missed it earlier, remove deprecated
3710 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3712 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3713 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3714 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3715 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3716 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3717 (expr_killed_p): Change bb parameter from int to basic_block, pass
3718 basic_blocks instead of ints as parameters.
3719 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3720 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3721 from int to basic_block, pass basic_blocks instead of ints as parms.
3722 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3723 parameter from int to basic_block, pass basic_blocks instead of ints.
3724 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3725 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3726 pass basic_blocks instead of ints.
3727 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3728 basic_blocks instead of ints as parameters.
3729 (pre_delete): Pass basic_blocks instead of ints as parameters.
3730 (hoist_expr_reaches_here_p): Change bb parameter from int to
3731 basic_block, pass basic_blocks instead of ints.
3732 (hoist_code): Pass basic_blocks instead of ints as parameters.
3733 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3734 Change bb parameter from int to basic_block.
3735 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3736 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3737 pass basic_blocks instead of ints.
3738 (insert_store): Pass basic_blocks instead of ints as parameters.
3739 (replace_store_insn, delete_store): Change bb parameter from int to
3740 basic_block, pass basic_blocks instead of ints.
3741 (store_motion): Pass basic_blocks instead of ints as parameters.
3743 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3745 * basic-block.h (set_new_block_for_insns): New Prototype.
3746 (set_block_num): Delete prototype.
3747 * flow.c (set_block_num): Remove obsolete function.
3748 (set_block_for_new_insns): Set BB for single or multiple insns.
3749 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3750 (process_insn_end_bb): Use set_block_for_new_insns or
3751 set_block_for_insn instead of set_block_num.
3752 (pre_insert_copy_insn): Use set_block_for_new_insns.
3753 (update_ld_motion_stores): Use set_block_for_new_insns.
3754 (insert_insn_start_bb): Use set_block_for_new_insns.
3755 (replace_store_insn): Use set_block_for_new_insns.
3757 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3758 Jeff Law <law@redhat.com>
3760 * alias.c (get_addr): Externalize.
3761 (canon_true_dependence): New function. Behaves like true_dependance
3762 except it already assumes a MEM has been canonicalized.
3763 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3764 * gcse.c (struct ls_expr): Add load/store expressions structure.
3765 (modify_mem_list, canon_modify_mem_list): New variable.
3766 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3767 load motion and store motion if requested.
3768 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3769 (free_gcse_mem): Free the modify_mem_list array.
3770 (oprs_unchanged_p): Use load_killed_in_block_p.
3771 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3772 (mems_conflict_for_gcse_p): New function. Don't kill loads
3773 with stores to themselves if its in the load/store expression list.
3774 (load_killed_in_block_p): New function.
3775 (canon_list_insert): New Function.
3776 (record_last_mem_set_info): Keep a list of all instructions which
3777 can modify memory for each basic block.
3778 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3779 (oprs_not_set_p): Use load_killed_in_block_p.
3780 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3781 (expr_killed_p): Use load_killed_in_block_p.
3782 (compute_transp): Do not pessimize memory references.
3783 (pre_edge_insert): Update stores for a load motion expression.
3784 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3785 (ldst_entry): Find or create a ldst_expr structure.
3786 (free_ldst_entry): Free memory for an individual item.
3787 (free_ldst_mems): Free entire load/store expression list.
3788 (print_ldst_list): Print debug info.
3789 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3790 (enumerate_ldsts): Assign integer values to each entry in list.
3791 (first_ls_expr): First expression in the list.
3792 (next_ls_expr): Next expression in the list.
3793 (simple_mem): Check if expression qualifies for ld/st expression list.
3794 (invalidate_any_buried_refs): Remove from expression list if its
3795 used in some other way we dont understand.
3796 (compute_ld_motion_mems): Find all potential enhanced load motion
3798 (trim_ld_motion_mems): Remove any expressions which are invalid.
3799 (update_ld_motion_stores): Copy store values to registers for loads
3800 which have been moved.
3801 (regvec, st_antloc, num_store): New global statics.
3802 (reg_set_info): Marks registers as set.
3803 (store_ops_ok): Verfies registers expressions are valid in a block.
3804 (find_moveable_store): Look for moveable stores in a pattern.
3805 (compute_store_table): Find stores in a function worth moving, maybe.
3806 (load_kills_store): Check dependance of a load and store.
3807 (find_loads): Find any loads in a pattern.
3808 (store_killed_in_insn): Check if a store is killed in an insn.
3809 (store_killed_after): Check is store killed after an insn in a block.
3810 (store_killed_before): Check is store killed before an insn in a block.
3811 (build_store_vectors): Generate the antic and avail vectors.
3812 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3813 (insert_store): Add a store to an edge.
3814 (replace_store_insn): Replace a store with a SET insn.
3815 (delete_store): Delete a store insn.
3816 (free_store_memory): Free memory.
3817 (store_motion): Perform store motion.
3818 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3819 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3820 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3821 (f_options): Add gcse-lm and gcse-sm.
3823 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3825 * i386.c (expand_fp_movcc): Fix condition reversal code.
3827 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3828 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3829 (CLASS_MAX_NREGS): Use it.
3831 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3832 handle properly complex values.
3833 (CLASS_MAX_NREGS): Likewise; update comment.
3835 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3837 * ia64.c (ia64_flag_schedule_insns2): New variable.
3838 (ia64_override_options): Initialize it. Clear
3839 flag_schedule_insns_after_reload.
3840 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3842 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3844 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3845 Do not require source to match destination anymore;
3846 Add abort to the nontrivial cases that should be handled by split.
3847 (fix_trunc?fdi): Add SSE case for x86_64.
3848 (floatdi?f): Likewise.
3849 (floatdi?f_sse): New.
3850 (fix_trunc?fdi_sse): New.
3852 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3854 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3855 (DEBUG_ARANGES_END_LABEL): Ditto.
3856 (dwarfout_init): Generate length and version fields at the start
3857 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3858 after the length field.
3859 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3860 the .debug_aranges info.
3862 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3864 * i386.c (call, call_value): Make sure that resulting call_insn
3865 does have proper second operand.
3867 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3869 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3870 function. Remove include of sys/cygwin.h.
3872 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3874 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3875 (CPP_SPEC): Always search */include/w32api for header files.
3876 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3877 (LINK_SPEC): Add "cyg" to the library search prefixes.
3879 2001-04-08 Philip Blundell <philb@gnu.org>
3881 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3883 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3885 * cpperror.c (print_location): Don't special case <stdin>.
3886 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3887 WARNING, but we don't check if we're in system headers.
3888 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3889 * cpplib.c (do_warning): Warn in system headers.
3891 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3893 * mbchar.c: Include config.h first.
3895 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3897 * config.gcc: Set default for xmake_file at top, not bottom.
3898 Change places that set xmake_file to "none" to set to the
3899 empty string instead, or remove them entirely if there is no
3900 default xmake_file for this cpu_type. Remove references to
3903 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3904 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3905 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3906 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3907 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3908 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3909 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3910 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3911 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3912 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3915 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3916 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3917 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3918 config/mips/x-sysv, config/rs6000/x-aix31:
3919 Just set CLIB to -lld or -lmld, as appropriate.
3921 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3922 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3923 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3924 config/mips/x-iris, config/pa/x-pa:
3925 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3926 OTHER_FIXINCLUDES_DIRS.
3928 * config/i386/x-djgpp: Don't set LN or LN_S.
3929 * config/m88k/x-dolph: Don't define __m88k__.
3930 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3931 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3932 * config/i860/fx2800.h: No need to #undef SVR4.
3934 38 x-host fragments remain, 2 x-cpu.
3936 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3938 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3940 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3942 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3944 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3946 * configure.in: Add check for lstat.
3947 * configure, config.in: Regenerate.
3948 * cppinit.c (append_include_chain): Make empty path ".".
3949 * cpplib.c (do_line): Don't simplify #line paths.
3950 * cppfiles.c (remove_component_p): New function.
3951 (find_or_create_entry): Acknowledge stat () errors during
3952 path simplification.
3953 (handle_missing_header): Don't simplify paths.
3954 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3955 the empty path untouched. Don't leave a trailing '/'.
3957 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3959 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3960 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3962 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3964 * cppfiles.c (open_file): Fail directories silently, but
3965 with an errno of NOENT set.
3966 (read_include_file): Move the common exit code to the sole
3967 caller. Return an int indicating success or failure. Let
3968 open_file handle directories.
3969 (stack_include_file): If read_include_file fails,
3970 push a "null" buffer.
3972 2001-04-05 DJ Delorie <dj@redhat.com>
3974 * function.h (virtuals_instantiated): Declare.
3975 * function.c: (virtuals_instantiated): Make global.
3976 * calls.c (emit_library_call_value_1): Use
3977 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3978 Otherwise, use the stack pointer directly.
3980 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3982 * i386.c (x86_initialize_trampoline): New global function.
3983 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3984 (INITIALIZE_TRAMPOLINE): Move offline.
3985 * i386-protos.h (x86_initialize_trampoline): Declare.
3987 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3989 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3990 (lea_0): Rename to lea_1.
3991 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3992 (lea_general_?): Allow SImodes on TARGET_64BIT
3993 (lea_general_?_zext): New patterns.
3994 (call_1, call_1_rex64): Fix.
3996 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3998 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4000 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4002 * i386.c (function_arg): Return constm1_rtx for last argument.
4003 (ix86_expand_prologue): Update gen_call calls.
4004 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4005 * i386.md (call_pop): Likewise.
4006 (call): Second operand is VOIDmode.
4007 (call_0): Likewise; Support 64bits.
4008 (call_exp): New expander.
4009 (call_1): Get to the sync.
4010 (call_1_exp): New pattern.
4011 (call_value): Support 64bit.
4012 (call_value_exp): New pattern.
4013 (untyped_call): Update gen_call call.
4014 (call_value_pop): Disable for 64bit.
4015 (call_value_0_rex64): New pattern.
4016 (call_value_1_rex64): Likewise.
4018 2001-04-05 Bo Thorsen <bo@suse.de>
4020 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4022 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4024 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4025 satisfies ANY_QI_REG_P.
4027 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4029 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4032 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4035 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4037 * config.gcc: Remove default for xm_file. Clean up local
4038 machine type handling. Remove settings of xm_file to
4039 something that doesn't exist. In the big switch, set xm_file,
4040 don't append to it (the value before the big switch is always
4041 null). Don't force build_xm_file or host_xm_file to have a value.
4042 * configure.in: Remove default for xm_file. Do not special
4043 case $cpu/xm-$cpu.h not existing.
4044 * configure: Regenerate.
4046 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4048 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4049 when folding integer division and modulo operations.
4051 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4053 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4054 instead of DWARF2_ADDR_SIZE for EH addresses.
4055 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4058 2001-04-04 Richard Henderson <rth@redhat.com>
4060 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4061 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4062 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4064 2001-04-04 Richard Henderson <rth@redhat.com>
4066 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4067 * configure: Rebuilt.
4069 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4071 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4072 push insns to delete to it instead of deleting them.
4073 (delete_null_pointer_checks): Delete insns from delete_list after
4074 all delete_null_pointer_checks_1 passes are done.
4076 2001-04-04 Richard Henderson <rth@redhat.com>
4078 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4079 * configure: Rebuilt.
4081 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4083 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4084 * config/romp/xm-romp.h: Delete.
4086 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4088 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4091 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4093 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4094 all labels present in rtx.
4095 (try_split) Call new function for all split insns.
4097 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4099 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4100 sure the change won't be validated.
4102 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4104 * rtl.h (set_noop_p): Declare.
4105 * flow.c (set_noop_p): Move from here ...
4106 * rtlanal.c (set_noop_p): ... to here and enhance.
4107 * cse.c (delete_trivially_dead_insns): Use it.
4108 * gcse.c (hash_scan_set): Likewise.
4109 * jump.c (delete_noop_moves): Likewise.
4110 * recog.c (split_all_insns): Likewise.
4112 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4114 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4115 stack pointer via a LO_SUM. Ditto for setting a temp register
4116 used to save to the stack. Set cfa_temp when setting fp, and
4117 allow matches to cfa_temp in addition to cfa_store when saving
4118 regs. Handle POST_INC and LO_SUM register stores. Document the
4119 changes and errors in rule 12 doco.
4121 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4122 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4123 (load_reg): Move closer to epilogue code.
4124 (DO_FRAME_NOTES): Define to control the following..
4125 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4126 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4128 (hppa_expand_epilogue): Likewise.
4130 2001-04-03 Richard Henderson <rth@redhat.com>
4132 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4133 * configure: Rebuild.
4135 2001-04-03 Richard Henderson <rth@redhat.com>
4137 * rtl.h (LCT_THROW): New.
4138 * calls.c (emit_library_call_value_1): Handle it.
4139 * except.c (connect_post_landing_pads): Use it.
4141 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4143 * gansidecl.h: Delete file.
4144 * configure.in: Change all refs to gansidecl.h to use
4145 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4147 * configure: Regenerate.
4149 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4150 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4151 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4152 Don't include gansidecl.h.
4153 * intl.c, main.c, version.c, fixinc/fixlib.h,
4154 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4157 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4159 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4162 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4164 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4165 config/i386/xm-next.h, config/i386/xm-sco.h,
4166 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4167 config/m88k/xm-m88k.h: Delete.
4169 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4170 * config/romp/xm-romp.h: Don't define bcopy.
4171 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4172 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4174 * config.gcc: Remove references to deleted files.
4176 14 xm-host.h remain, 1 xm-cpu.h.
4178 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4179 David S. Miller <davem@pierdol.cobaltmicro.com>
4180 Andrew MacLeod <amacleod@redhat.com>
4182 Use byte offsets in SUBREGs instead of words.
4184 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4185 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4186 to pass new argument.
4187 (add_stored_regs): Use subreg_regno_offset function.
4188 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4190 (precompute_arguments): Use gen_lowpart_SUBREG.
4191 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4192 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4193 (simplify_set): Rework to use SUBREG_BYTE.
4194 (expand_field_assignment): Use SUBREG_BYTE.
4195 (make_extraction): Use SUBREG_BYTE.
4196 (if_then_else_cond): Use SUBREG_BYTE.
4197 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4198 (gen_lowpart_for_combine): Compute full byte offset.
4199 * cse.c (mention_regs): Use SUBREG_BYTE.
4200 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4201 (canon_hash): Use SUBREG_BYTE.
4202 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4203 (gen_lowpart_if_possible): Formatting.
4204 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4206 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4207 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4208 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4209 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4210 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4211 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4212 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4213 certain invariants about SUBREGs the compiler creates.
4214 (gen_lowpart_SUBREG): New function.
4215 (subreg_hard_regno): New function to get the final register number.
4216 (gen_lowpart_common): Use SUBREG_BYTE.
4217 (gen_imagpart): Spacing nits.
4218 (subreg_realpart_p): Use SUBREG_BYTE.
4219 (gen_highpart): Use SUBREG_BYTE.
4220 (subreg_lowpart_p): Always compute endian corrected goal offset,
4221 even at the byte level, then compare against that.
4222 (constant_subword): New function, pulled out all constant cases
4223 from operand_subword and changed second argument name to offset.
4224 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4225 and call constant_subword to do the work. Return const0_rtx if
4226 looking for a word outside of OP.
4227 (operand_subword_force): Change second arg name to offset.
4228 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4229 (store_split_bit_field): Use SUBREG_BYTE.
4230 (extract_bit_field): Use SUBREG_BYTE.
4231 (extract_split_bit_field): Use SUBREG_BYTE.
4232 (expand_shift): Use SUBREG_BYTE.
4233 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4234 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4235 * flow.c (set_noop_p): Use SUBREG_BYTE.
4236 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4237 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4238 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4240 (optimize_bit_field): Use SUBREG_BYTE.
4241 (purge_addressof_1): Use SUBREG_BYTE.
4242 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4243 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4244 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4245 * gengenrtl.c (special_rtx): Add SUBREG.
4246 * global.c (mark_reg_store): Use SUBREG_BYTE.
4247 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4248 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4249 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4250 final byte offset is congruent to subreg's mode size.
4251 (subst_constants): Use SUBREG_BYTE.
4252 (mark_stores): Use subreg_regno_offset function.
4253 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4254 function and SUBREG_BYTE.
4255 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4256 (reg_is_born): Use subreg_hard_regno.
4257 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4258 endian correction code. Don't combine subregs unless resulting
4259 offset aligns with type. Fix subreg constant extraction for DImode.
4260 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4261 (general_operand): Remove dead mode_altering_drug code.
4262 (indirect_operand): Use SUBREG_BYTE.
4263 (constrain_operands): Use subreg_regno_offset function.
4264 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4265 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4266 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4267 * regs.h (REG_SIZE): Allow target to override.
4268 (REGMODE_NATURAL_SIZE): New macro which target can override.
4269 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4270 on the entire subreg rtx.
4271 (push_reload): Use SUBREG_BYTE in comments and code.
4272 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4273 for hard registers inside subregs.
4274 (operands_match_p): Use subreg_regno_offset.
4275 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4276 containing hard regs.
4277 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4278 corrections when fixing up MEM subregs.
4279 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4280 subreg_regno_offset where appropriate.
4281 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4282 byte endian corrections when fixing up MEM subregs.
4283 (subst_reloads): When combining two subregs, make sure final
4284 offset is congruent to subreg's mode size.
4285 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4286 (refers_to_regno_for_reload_p): Use subreg_regno.
4287 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4288 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4289 correction code for memory subreg fixups.
4290 (forget_old_reload_1): Use subreg_regno_offset.
4291 (choose_reload_regs): Use subreg_regno.
4292 (emit_input_reload_insns): Use SUBREG_BYTE.
4293 (reload_combine_note_store): Use subreg_regno_offset.
4294 (move2add_note_store): Use subreg_regno_offset.
4295 * resource.c (update_live_status, mark_referenced_resources): Use
4296 subreg_regno function.
4297 (mark_set_resources): Use subreg_regno function.
4298 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4299 (subreg_regno_offset, subreg_regno): Define prototypes.
4300 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4301 (gen_lowpart_SUBREG): Add prototype.
4302 * rtl.texi (subreg): Update to reflect new byte offset representation.
4303 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4304 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4305 (reg_overlap_mentioned_p): Use subreg_regno.
4306 (replace_regs); Make sure final offset of combined subreg is
4307 congruent to size of subreg's mode.
4308 (subreg_regno_offset): New function.
4309 (subreg_regno): New function.
4310 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4311 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4312 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4313 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4314 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4315 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4316 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4317 (print_operand): Use SUBREG_BYTE.
4318 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4319 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4320 (arm_reload_out_hi): Use SUBREG_BYTE.
4321 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4322 instead of SUBREG_WORD.
4323 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4324 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4325 SUBREG creation to use byte offset.
4326 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4327 inverted load insns): Fix explicit rtl subregs to use byte
4329 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4330 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4331 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4332 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4333 to use byte offsets.
4334 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4335 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4336 offsets, also make sure it is congruent to SUBREG's mode size.
4337 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4338 unnamed ldob insn): Generate SUBREGs with byte offset.
4339 (zero_extendqihi2): SUBREG's are byte offsets.
4340 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4341 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4342 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4343 zero-extendqisi2): Generate SUBREGs with byte offset.
4344 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4345 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4346 subregs in rtl to use byte offsets.
4347 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4348 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4349 (mips_move_2words): Use subreg_regno_offset.
4350 (mips_secondary_reload_class): Use subreg_regno_offset.
4351 * config/mips/mips.md (DImode plus, minus, move, and logical op
4352 splits): Fixup explicit subregs in rtl to use byte offsets.
4353 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4354 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4355 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4356 rtl to use byte offsets.
4357 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4358 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4359 subregs to use byte offsets.
4360 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4361 Fixup explicit subregs in rtl to use byte offsets.
4362 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4363 and remove byte endian correction code.
4364 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4365 (gen_ashift_hi): Use SUBREG_BYTE.
4366 (regs_used): Use subreg_regno_offset.
4367 (machine_dependent_reorg): Use subreg_regno_offset.
4368 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4369 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4370 (movdf_i4): Subregs are byte offsets now.
4371 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4372 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4373 (REGMODE_NATURAL_SIZE): Override.
4374 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4375 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4377 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4378 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4379 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4380 it is congruent to SUBREG's mode size.
4381 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4383 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4384 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4385 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4386 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4387 * config/v850/v850.c (print_operand, output_move_double): Use
4388 subreg_regno function.
4390 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4392 * configure.in (target_subdir): Use target_alias, not target.
4393 * configure: Rebuilt.
4395 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4397 * config/sh/crti.asm: Fix typos in comments.
4399 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4401 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4402 TARGET_FAST_INDIRECT_CALLS.
4403 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4405 (return_addr_rtx): Short circuit export stub matching when
4406 TARGET_NO_SPACE_REGS.
4407 (output_millicode_call): For out of range calls, make -fPIC
4408 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4409 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4410 * pa.md: Modify length attr calculation of all millicode insns to
4413 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4415 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4416 Require at least 2.11 in the version test. Specifically check
4417 for and reject GAS version 2.10.90.
4418 * configure: regenerate.
4420 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4422 * pa.c (override_options): Remove PIC profiling warning.
4423 (hp_profile_labelno): Delete.
4424 (hp_profile_label_rtx): Delete.
4425 (hp_profile_label_name): Delete.
4426 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4427 (output_function_prologue): Remove profiling code and all tests on
4428 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4429 merge_sp_adjust_with_store can work for PIC and profiling.
4430 (hppa_expand_epilogue): Remove profile_flag test.
4431 (hppa_can_use_return_insn_p): Likewise.
4432 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4433 cater for PROFILE_HOOK.
4434 (hppa_profile_hook): New function.
4435 * pa.h (FUNCTION_PROFILER): Now does nothing.
4436 (PROFILE_HOOK): Define.
4437 (hppa_profile_hook): Declare.
4438 (PROFILE_BEFORE_PROLOGUE): Delete.
4439 (ASM_OUTPUT_REG_PUSH): Delete.
4440 (ASM_OUTPUT_REG_POP): Delete.
4441 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4442 r24. Accept function name operand, and use this and a locally
4443 generated label to calculate pc-rel offset to func start.
4445 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4448 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4451 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4453 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4454 LO_SUM cases to where they belong.
4456 2001-04-02 Richard Henderson <rth@redhat.com>
4458 * except.h (lang_eh_type_covers): Mark extern.
4459 (lang_eh_runtime_type): Likewise.
4461 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4463 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4464 gengenrtl.c: Wrap generated header in multiple-include guard.
4465 Improve error checking.
4467 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4469 * configure.in: Don't check for putenv.
4470 * configure: Regenerate.
4471 * gcc.c (putenv): Don't define.
4472 * vax/xm-vms.h: Handle putenv.
4474 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4476 * ifcvt.c (noce_emit_move_insn): New.
4477 (noce_try_store_flag, noce_try_store_flag_constants,
4478 noce_try_store_flag_inc, noce_try_store_flag_mask,
4479 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4480 noce_try_abs): Use it.
4481 (noce_process_if_block): Likewise.
4482 For STRICT_LOW_PART, take mode from its SUBREG.
4484 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4486 * fold-const.c (fold): Before optimizing unsigned comparison with
4487 0x7fffffffU, make sure arg0 is integral type.
4489 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4491 * c-tree.texi: Document representation of wide strings.
4493 2001-04-01 Richard Henderson <rth@redhat.com>
4495 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4497 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4499 * i386.md: remove obsoleted comments.
4500 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4501 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4502 fix output template.
4504 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4506 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4508 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4510 * loop.c (load_mems): When generating a load from a pseudo, update
4513 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4515 * i386.c (ix86_split_long_move): Use change address to compensate
4516 stack pointer change in push instruction.
4518 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4520 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4521 instead of rtx_equal_p; fix the output template.
4523 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4525 * i386.c (ix86_expand_setcc): Support 64bit.
4526 (ix86_expand_int_movcc): Likewise.
4527 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4530 * i386.md (allocate_stack_worker): Turn to expander.
4531 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4533 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4535 2001-03-29 Richard Henderson <rth@redhat.com>
4537 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4539 2001-03-28 Matthew Hiller <hiller@redhat.com>
4541 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4544 * MAINTAINERS: Added self.
4546 2001-03-28 Richard Henderson <rth@redhat.com>
4548 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4549 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4551 2001-03-28 Jim Wilson <wilson@redhat.com>
4553 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4556 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4558 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4560 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4563 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4565 2001-03-28 DJ Delorie <dj@redhat.com>
4567 * Makefile.in (stage1_build): Revert CFLAGS patch.
4569 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4571 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4572 when multiplier or multiplicand is zero.
4574 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4576 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4578 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4580 (set_src_needs_barrier): Likewise.
4581 (rtx_needs_barrier): For SET case, use these two functions. Rework
4582 PARALLEL case to handle all inputs before all outputs.
4583 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4584 saw a label and no stop bit since then.
4585 (maybe_rotate, process_epilogue): Add prototypes.
4587 2001-03-28 Richard Henderson <rth@redhat.com>
4589 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4590 not TARGET_TOC for special toc restore handling.
4591 * config/rs6000/rs6000.md (eh_return): Likewise.
4593 2001-03-28 Richard Henderson <rth@redhat.com>
4595 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4596 current_function_calls_eh_return.
4597 (output_function_epilogue): Handle eh_return.
4598 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4599 (EH_RETURN_DATA_REGNO): New.
4600 (EH_RETURN_STACKADJ_RTX): New.
4601 (EH_RETURN_HANDLER_RTX): New.
4602 * config/sparc/sparc.md (call/short branch peepholes): Check
4603 can_throw_internal instead of in_same_eh_region.
4605 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4606 for eh_return data registers.
4607 (rs6000_emit_prologue): Save eh_return data registers.
4608 (rs6000_emit_epilogue): Force inline restores if eh_return.
4609 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4610 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4611 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4612 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4613 the target uses one.
4614 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4615 (return_eh_si, return_eh_di): Remove.
4616 (eh_return): New, from corpse of eh_epilogue.
4617 (eh_set_lr_si, eh_set_lr_di): New.
4619 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4620 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4621 True for pic register if current_function_calls_eh_return.
4622 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4623 Handle eh_return requirements.
4624 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4625 (EH_RETURN_STACKADJ_RTX): New.
4626 * config/i386/i386.md (exception_receiver): Remove.
4627 (eh_return, eh_return_1): New.
4628 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4630 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4631 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4632 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4633 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4634 (EH_RETURN_DATA_REGNO): New.
4635 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4636 * config/alpha/alpha.md (eh_epilogue): Remove.
4637 (exception_receiver): Use $26 for ldgp input.
4638 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4640 2001-03-28 Richard Henderson <rth@redhat.com>
4642 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4643 * except.h: Likewise.
4645 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4646 (LIB2ADDEHDEP): New.
4647 (LIB2FUNCS_EH): Remove.
4648 (LIB2ADD): Remove LIB2ADDEH.
4649 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4650 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4651 (crt{begin,end}[S].o): Likewise.
4652 (except.o): Update includes.
4653 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4654 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4656 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4657 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4658 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4659 * builtins.c (expand_builtin): Implement it.
4660 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4661 * c-common.c (c_common_nodes_and_builtins): Declare it.
4662 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4663 * calls.c (libfunc_nothrow): Remove.
4664 (emit_library_call_value_1): Don't call it.
4665 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4666 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4667 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4668 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4669 (current_funcdef_number): Globalize.
4670 (output_call_frame_info): Emit frame data if an lsda is needed.
4671 Generate augmentation for personality routine. Don't play with
4673 (dwarf2out_begin_prologue): Record funcdef_number.
4674 * dwarf2out.h (current_funcdef_number): Declare.
4675 * expr.c (expand_expr): Update for except.h name changes.
4676 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4677 * expr.h (LTI_throw, LTI_rethrow): Remove.
4678 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4679 (LTI_eh_rtime_match): Remove.
4680 (LTI_unwind_resume, LTI_eh_personality): Add.
4681 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4682 * final.c (final): Don't call check_exception_handler_labels,
4683 init_insn_eh_region, or free_insn_eh_region.
4684 (final_scan_insn): Always emit debug labels for
4685 NOTE_INSN_EH_REGION notes.
4686 * flags.h (flag_new_exceptions): Remove.
4687 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4688 (record_active_eh_regions): Remove.
4689 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4690 Use can_throw_internal.
4691 (find_basic_blocks_1): Likewise.
4692 (move_stray_eh_region_notes): Remove.
4693 (find_label_refs): No eh_return_stub_label.
4694 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4695 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4697 (delete_unreachable_blocks): Don't track deleted handlers.
4698 (flow_delete_block): Use maybe_remove_eh_handler.
4699 (delete_eh_regions): Remove.
4700 (merge_blocks): Don't check for eh region match.
4701 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4702 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4703 (init_propagate_block_info): Disable dead frame store optimization
4704 when current_function_calls_eh_return.
4705 (dump_bb): Don't print eh_beg, eh_end.
4706 * function.c (fixup_var_refs): No catch_clauses.
4707 (expand_function_end): Likewise. Call expand_eh_return before
4708 the return register use. Call sjlj_emit_function_exit_after.
4709 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4710 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4711 * ifcvt.c (dead_or_predicable): Remove eh region check.
4712 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4713 Don't check for EH vs parameters.
4714 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4715 (expand_inline_function): Call duplicate_eh_regions.
4716 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4717 (copy_insn_notes): Remap REG_EH_REGION notes.
4718 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4719 * integrate.h (struct inline_remap): Add local_return_label.
4720 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4721 check_exception_handler_labels, nor exception_optimize.
4722 (find_cross_jump): No EH region check.
4723 * optabs.c (init_optabs): Update for changed eh libfuncs.
4724 * rtl.def (RESX): New.
4725 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4726 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4727 checks. Update for except.h name changes.
4728 (expand_cleanups): Likewise.
4729 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4730 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4731 (compile_file): Call init_eh before init_optabs. Don't
4732 output_exception_table here.
4733 (rest_of_compilation): Call convert_from_eh_region_ranges,
4734 convert_to_eh_region_ranges, output_function_exception_table.
4735 Don't emit_eh_context.
4736 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4737 (EXC_PTR_EXPR): New.
4739 * md.texi (eh_epilogue): Remove.
4740 (eh_return): Document.
4741 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4742 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4744 * eh-common.h: Remove file.
4745 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4746 * libgcc2.c (L_eh): Remove.
4748 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4749 * unwind-dw2-fde.h: New file.
4750 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4751 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4752 * libgcc-std.ver: Update for eh symbols.
4754 2001-03-27 Richard Henderson <rth@redhat.com>
4756 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4757 reduce false positives.
4758 (regmove_optimize): Disable if flag_non_call_exceptions.
4760 * stmt.c (expand_return): Remove always true predicate.
4761 (expand_decl_cleanup_no_eh): Remove dead code.
4763 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4764 barrier code. Add a scheduling barrier if a non-call insn
4765 can throw internally.
4767 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4768 Auto-inc addresses trap only if their base register does.
4770 * except.c (can_throw_internal): Rename from can_throw.
4771 * except.h, resource.c: Update references.
4773 * integrate.c (copy_insn_list): Use returnjump_p.
4774 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4776 * function.h (struct function): Move all boolean valued fields
4777 to single bit fields at the end of the struct.
4779 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4781 Rename asynchronous_exceptions to flag_non_call_exceptions.
4783 * gthr-single.h (UNUSED): New. Distinguish between how C
4784 and C++ mark unused function arguments. Use throughout.
4786 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4787 value to target configuration header.
4788 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4789 * config.in, configure: Rebuild.
4790 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4791 configuration and target defines.
4792 (exceptions_via_longjmp): Remove.
4793 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4794 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4796 * except.h (flag_non_call_exceptions): Move ...
4797 * flags.h: ... here.
4799 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4800 exceptions, put the note on the trapping instruction.
4802 * flags.h (flag_new_exceptions): Remove.
4803 * toplev.c: Don't set it.
4804 * final.c: Don't check it.
4805 * except.c: Provide stub definition.
4807 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4808 (calculate_global_regs_live): Kill call-clobbered registers
4809 across exception edges.
4810 * reg-stack.c (convert_regs_1): Kill the entire target stack
4811 across non-call exception edges.
4813 * flow.c (cleanup_cfg): Take no argument.
4814 * output.h, sibcall.c, toplev.c: Update all calls.
4816 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4818 * configure.in: Don't check for bcopy.
4819 * configure, config.in: Regenerate.
4821 * system.h: Don't define or prototype bcopy, instead poison it.
4823 2001-03-27 Richard Henderson <rth@redhat.com>
4825 * function.c (expand_function_start): Set DECL_REGISTER on
4826 a pseudo used for DECL_RESULT.
4828 * rtl.h (LCT_NORETURN): New.
4829 * calls.c (emit_library_call_value_1): Handle it.
4831 2001-03-27 Stan Shebs <shebs@apple.com>
4833 * objc/objc-act.c (objc_init): Use dump_base_name.
4834 (gen_declaration): Clear the buffer arg.
4835 (gen_declaration_1): New function, body of gen_declaration.
4836 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4837 (gen_method_decl): Ditto, plus always clear buffer arg.
4838 (error_with_ivar): Simplify.
4839 (warn_with_method): Ditto.
4840 (build_message_expr): Don't clear buffers.
4841 (dump_interface): Ditto.
4842 (objc_debug): Ditto.
4843 (build_keyword_selector): Clear the buffer by only zeroing
4845 (objc_implementation_context): Declare.
4846 (start_class): Warn about missing @end.
4847 (finish_objc): Ditto.
4849 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4851 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4853 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4855 * Makefile.in (SYSTEM_H): Define.
4856 Depend on $(SYSTEM_H), not system.h.
4858 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4860 2001-03-27 Jim Wilson <wilson@redhat.com>
4862 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4864 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4865 (process_epilogue): New static function.
4866 (process_set): Call process_epilogue instead of emitting .restore
4868 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4870 * flow.c (struct reg_cond_life_info): New fields orig_condition
4872 (init_propagate_block_info): Set new fields.
4873 (mark_regno_cond_dead): Set and use new fields.
4874 (flush_reg_cond_reg_1): Likewise.
4875 (and_reg_cond, case AND): Check for redundant AND conditions.
4876 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4879 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4881 * cppmacro.c (stringify_arg): Null terminate strings.
4883 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4885 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4886 inclusion style. xm-m68hc11.h no longer exists.
4887 * config/m68hc11/xm-m68hc11.h: Delete file.
4888 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4890 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4891 Don't define GCC_VERSION, N_, or PARAMS; don't include
4892 gansidecl.h or stdio.h. Define inhibit_libc here.
4893 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4894 Delete code conditioned on #if GCC_VERSION == 2095.
4896 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4897 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4898 Delete code conditioned on #if GCC_VERSION == 2095.
4900 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4902 * system.h: Include symcat.h.
4903 (STRINGIFY): Don't define.
4905 * configure.in: Adjust comment.
4907 * builtins.c: Use STRINGX, not STRINGIFY.
4908 * gencheck.c: Likewise.
4909 * gengenrtl.c: Likewise.
4910 * protoize.c: Likewise.
4912 * cpplex.c: Don't include symcat.h.
4913 * cpplib.c: Likewise.
4915 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4917 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4919 * c-typeck.c (digest_init): Fold init expression.
4921 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4923 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4925 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4927 * except.c (eh_regs): Save results of build_pointer_type to a temp
4928 as FUNCTION_VALUE macro may evaluate its args multiple times.
4930 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4932 * c-common.h (DECL_NUM_STMTS): New macro.
4933 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4935 (pushdecl): Likewise.
4936 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4937 * integrate.c (expand_inline_function): Don't check
4939 * print-tree.c (print_node): Don't print it.
4940 * toplev.c (rest_of_compilation): Don't try to inline when
4941 flag_no_inline is on.
4942 * tree.h (DECL_FRAME_SIZE): Remove.
4943 (tree_decl): Adjust accordingly.
4945 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * combine.c (try_combine): Use memcpy, not bcopy.
4949 * genattrtab.c (expand_units): Likewise.
4951 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4953 * i386.md (push mem DI peep2): New.
4954 (mov 0, mov -1 peep2): Handle 64bit.
4955 (lea to arithmetics peep2): Handle 64bit leas.
4956 (rsp arithmetics to push/pop peep2s): New.
4958 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4960 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4962 * i386.c (struct machine_function): Add save_varrargs_registers.
4963 (ix86_save_varrargs_registers): New macro.
4964 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4965 (ix86_expand_prologue): Likewise.
4966 (ix86_emit_epilogue_esp_adjustement): Likewise.
4967 (ix86_expand_epilogue): Likewise.
4968 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4969 (pro_epilogue_adjust_stack_1): New insn.
4970 (pro_epilogue_adjust_stack_rex64): Likewise.
4971 * i386.h (MASK_NO_RED_ZONE): New constant.
4972 (TARGET_RED_ZONE): New macro.
4973 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4974 (RED_ZONE_SIZE): New constant.
4975 (RED_ZONE_RESERVE): New constant.
4977 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4979 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4981 2001-03-25 Kazu Hirata <kazu@hxi.com>
4983 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4986 (umodhi3): Likewise.
4989 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4991 * mkconfig.sh (DEFINES): Handle entries with '='.
4993 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4994 Set xm_defines to MACRO=value instead.
4996 * i370/xm-mvs.h: Delete.
4998 * ns32k/xm-pc532-min.h: Likewise.
5000 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5002 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5004 use ix86_expand_binary_operator
5005 (?sh??i_?): Disable for 64bit.
5006 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5007 * i386.c (shiftdi_operand): New predicate.
5009 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5010 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5011 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5012 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5013 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5014 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5015 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5016 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5017 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5018 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5019 (rotldi3, rotrdi3): New expanders.
5021 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5023 * i386.md (movstrsi): Move offline.
5025 (strmovdi_rex64): New.
5026 (strmov?i): Accept 64bit.
5027 (strmov?i_rex64): New.
5028 (strmov?i_rex_1): New.
5029 (strmov?i_1): Disable for 64bit.
5030 (rep_mov?i_rex64): New.
5031 (rep_mov?i): Disable for 64bit.
5032 (clrstrsi): Move offline.
5033 (strset?i_rex64): New.
5034 (strset?i: Accept 64bit.
5035 (rep_stos?i): Disable for 64bit.
5036 (rep_stos?i_rex64): New.
5037 (strset?i_rex_1): New.
5038 (strset?i_1): Disable for 64bit.
5039 (cmpstrsi): Accept 64bit.
5040 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5041 (cmpstrqi_nz_rex_1): New.
5042 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5043 (strlensi): Move offline.
5045 (strlenqi_1): Disable for 64bit; fix constraints.
5046 (strlenqi_rex_1): New.
5047 * i386.c (ix86_adjust_counter): New static function.
5048 (ix86_zero_extend_to_Pmode): Likewise.
5049 (ix86_expand_aligntest): Likweise.
5050 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5051 (ix86_expand_movstr): New global function.
5052 (ix86_expand_clrstr): New global function.
5053 (ix86_expand_strlen): New global function.
5054 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5055 ix86_expand_strlen): Declare.
5056 (ix86_expand_strlensi_unroll_1): Delete.
5058 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5060 * i386.md (cmpdi): Fix operand predicates.
5061 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5062 cmpdi_1_insn_rex64): New patterns.
5063 (adddi3): Turn to expander.
5064 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5065 (addsi3_carry_zext): New pattern.
5066 (adddi_?_rex64): New patterns and splitters.
5067 (addsi_?_zext): New patterns.
5068 (subsi3_carry_zext): New pattern.
5069 (subdi_?_rex64): New patterns and splitters.
5070 (iorsi_?_zext): New patterns.
5071 (iordi_?_rex64): New patterns and splitters.
5072 (iorsi_?_zext): New patterns.
5073 (iorsi_?_zext_imm): New patterns.
5074 (xorsi_?_zext): New patterns.
5075 (xordi_?_rex64): New patterns and splitters.
5076 (xorsi_?_zext): New patterns.
5077 (negdi*): New patterns.
5078 (one_cmpldi*): Likewise.
5079 (one_cmplsi*_zext, negsi*_zext): Likewise.
5080 (testqi_ext_3_rex64): New pattern.
5082 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5084 * i386-protos.h (ix86_split_long_move): Return void.
5085 * i386.c (ix86_split_to_parts): Handle 64bit target.
5086 (ix86_split_long_move): Likewise.
5087 * i386.md (all calls to ix86_split_long_move): Update.
5089 2001-03-23 Richard Henderson <rth@redhat.com>
5091 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5092 to avoid shadowing arguments.
5094 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5096 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5097 to variable names where DECL_NAME is different from
5098 DECL_ASSEMBLER_NAME.
5100 2001-03-23 Jim Wilson <wilson@redhat.com>
5102 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5103 (assemble_alias): Call make_decl_rtl.
5105 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5107 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5109 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5111 * extend.texi: Document the "java_interface" attribute.
5113 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5115 * mkconfig.sh: Use a subshell with redirected stdout,
5116 instead of closing stdout and confusing commands that run
5117 afterward. Throw away output of cmp.
5119 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5121 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5123 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5125 * i386.md (zero_extendsidi2_32): Break out from ...
5126 (zero_extendsidi2): ... here ; turn to expander.
5127 (zero_extendsidi2_rex64): New.
5128 (extendsidi2_32): Break out from ...
5129 (extendsidi2): ... here ; turn to expander.
5130 (extendsidi2_rex64): New.
5131 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5132 (trunc?f?f splitters): Add 64bit versions.
5134 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5136 * i386.md (pushsi, pushsi2_prologue): Disable.
5137 (pushsi2_rex64): New.
5138 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5139 (movqi_ext_1): Disable for 64bit.
5140 (movqi_ext_1_rex64): New.
5141 (pushdi2_rex64): New pattern, peep2s and splitter.
5142 (pushdi2_prologue_rex64): New pattern.
5143 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5145 (movdi splitters): Disable for 64bit.
5146 (movdi_1_rex64): New pattern, peep2s and splitters.
5147 (swapdi): New pattern.
5148 (pushsf): Disable for 64bit.
5149 (pushsf_rex64): New pattern and splitter.
5150 (pushdf_nointeger): Disable for 64bit.
5151 (pushdf_integer): Handle the 64bit case.
5152 (pushtf): Likewise; update splitters.
5154 2001-03-22 Richard Henderson <rth@redhat.com>
5156 * mkconfig.sh: Include insn-flags.h.
5157 * Makefile.in (CONFIG_H): Include insn-flags.h.
5158 (lots of objects): Remove insn-codes.h and insn-flags.h.
5160 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5161 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5162 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5163 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5164 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5165 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5166 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5167 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5168 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5169 v850/v850.c, vax/vax.c:
5170 Don't include insn-flags.h.
5172 * diagnostic.c, expr.h, reload.c, toplev.c:
5173 Don't include insn-codes.h.
5175 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5176 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5177 c4x/c4x.c, i960/i960.c, mips/mips.c:
5178 Don't include insn-codes.h or insn-flags.h.
5180 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5181 or insn-flags.h in the generated code.
5182 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5183 (main): Forward declare struct rtx_def.
5185 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5187 * invoke.texi (-ffast-math): Remove duplicate line about
5190 * gcc.texi: Remove more obsolete documentation of bugs and
5191 installation problems.
5193 2001-03-21 Kazu Hirata <kazu@hxi.com>
5195 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5198 2001-03-20 Jason Merrill <jason@redhat.com>
5200 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5202 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5203 * varasm.c (CHKR_PREFIX): Likewise.
5205 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5207 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5208 is part of a multi-SET insn.
5210 * cse.c (find_comparison_args): Remove previous change.
5211 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5214 * config/i386/i386.md (conditional_trap): Remove warning.
5216 * recog.c (push_operand): Fix error in last change that caused
5217 undefined symbol on many targets.
5219 * sdbout.c: #include ggc.h.
5220 (sdbout_init): Move to end of file.
5221 Call ggc_add_tree_root for anonymous_types.
5222 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5223 (sdbout_one_type): Use DECL_NAME for field name.
5224 * Makefile.in (sdbout.o): Show includes ggc.h.
5226 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5228 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5229 (override_options): Use properlimits for preferred_stack_boundary.
5230 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5232 (ext_register_operand): Accept DImode.
5233 (load_pic_register): Abort on 64bit.
5234 (gen_push): Use Pmode instead of SImode.
5235 (ix86_save_reg): Pic reg is never used on 64bit.
5236 (ix86_expand_prologue): Likewise.
5237 (ix86_emit_save_regs): Use Pmode instead of SImode.
5238 (legitimate_address_p): Check displacement for 64bit.
5239 (print_operand): Avoid outputting of (%rip) on 64bit.
5240 (print_operand_address): Output (%rip) where possible.
5241 (split_di): Abort on 64bit registers.
5242 (ix86_expand_branch): DImode comparison is simple for x86_64.
5243 (memory_address_length): Recognize memory addresses formed using
5245 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5247 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5249 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5251 * recog.c (push_operand): Recognize new format of push instructions.
5253 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5255 * i386.md (pushqi1): New.
5256 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5257 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5258 x86_64_immediate_operand, x86_64_immediate_operand,
5259 x86_64_zext_immediate_operand): Declare.
5260 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5261 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5262 x86_64_immediate_operand, x86_64_immediate_operand,
5263 x86_64_zext_immediate_operand): define.
5264 * i386.h (PREDICATE_CODES): Add new predicates.
5266 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5268 * i386.md (pophi1, popqi1, pushqi1): Remove.
5270 * expr.c (emit_single_push_insn): New function.
5271 (move_by_pieces): Accept NULL as destination for push instructions.
5272 (gen_push_operand): Kill.
5273 (emit_push_insn): Pass NULL when pushing; avoid updating of
5274 stack_pointer_delta.
5275 * expr.h (gen_push_operand): Kill.
5277 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5279 * rtl.texi (COMPARE): Clarify documentation and reference section
5282 2001-03-20 Stan Shebs <shebs@apple.com>
5284 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5285 (get_object_reference): Ditto.
5286 (error_with_ivar): Use error_with_file_and_line.
5287 (warn_with_method): Use warning_with_file_and_line.
5289 2001-03-20 Tom Tromey <tromey@redhat.com>
5291 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5293 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5295 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5296 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5298 2001-03-20 DJ Delorie <dj@redhat.com>
5300 * Makefile.in (install-libgcc): Pass complete list of variables.
5301 (install-multilib): Ditto.
5303 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5305 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5306 drectve_section, switch_to_section.
5308 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5309 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5310 i386_pe_mark_dllimport.
5312 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5314 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5315 functions i386_pe_*.
5317 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5318 i386_pe_* functions with char * arguments.
5320 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5322 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5324 (movsi_ie): Introduce fpul store.
5326 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5328 * Makefile.in (OBJS): Remove hashtab.o.
5330 2001-03-19 Stan Shebs <shebs@apple.com>
5332 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5333 * c-lang.c (maybe_objc_method_name): Ditto.
5334 * c-tree.h (maybe_objc_method_name): Remove decl.
5336 2001-03-19 Tom Tromey <tromey@redhat.com>
5338 * gcc.c (init_gcc_specs): Fix comment.
5340 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5342 Compute DECL_ASSEMBLER_NAME lazily.
5343 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5344 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5345 (SET_DECL_ASSEMBLER_NAME): Likewise.
5346 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5347 (set_decl_assembler_name): Declare.
5348 (lang_set_decl_assembler_name): Likewise.
5349 * tree.c (lang_set_decl_assembler_name): New variab.e
5350 (set_decl_assembler_name): New function.
5351 (init_obstacks): Set lang_set_decl_assembler_name.
5352 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5353 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5354 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5355 where it's not necessary.
5356 (builtin_function): Likewise.
5357 (finish_decl): Likewise.
5358 * dbxout.c (dbxout_type_methods): Likewise.
5359 * ggc-common.c (ggc_mark_trees): Likewise.
5360 * profile.c (output_func_start_profiler): Likewise.
5361 * varasm.c (make_decl_rtl): Likewise.
5363 * cse.c (find_comparison_args): Update documentation. Fix
5364 mishandling of COMPARE operations.
5366 * tree.def (ABS_EXPR): Add documentation.
5367 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5369 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5371 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5373 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5375 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5376 Remove ia32 linux PIC kludge and move it...
5377 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5379 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5381 * i386.md (absdf2 expander): Fix 64bit case.
5383 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5385 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5387 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5389 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5391 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5393 * README.X11: Remove obsolete file.
5395 2001-03-18 Anthony Green <green@redhat.com>
5397 * config/pj/pj.h: Remove some trailing commas.
5398 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5400 2001-03-18 Richard Henderson <rth@redhat.com>
5402 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5403 * calls.c: ... here.
5404 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5405 defaults for them here.
5407 2001-03-17 Anthony Green <green@redhat.com>
5409 * config/pj/lib1funcs.S: Fix broken comment.
5410 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5413 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5415 * gcc.texi: Remove obsolete information relating to build and
5416 installation problems with enquire or the Pyramid C compiler.
5418 2001-03-17 Richard Henderson <rth@redhat.com>
5420 * dwarf2out.c (queue_reg_save): New.
5421 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5422 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5424 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5425 (cfa, cfa_store, cfa_temp): Make static.
5426 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5428 2001-03-17 Richard Henderson <rth@redhat.com>
5430 * integrate.h (struct inline_remap): Add local_return_label.
5431 * integrate.c (expand_inline_function): Initialize it and emit
5432 it after copy_insn_notes.
5433 (copy_insn_list): Don't store local_return_label here.
5434 (copy_insn_notes): New function split out from copy_insn_list.
5436 2001-03-17 Richard Henderson <rth@redhat.com>
5438 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5439 is generating .debug_line.
5440 (dwarf2out_init): Add main_input_filename to the file table first.
5441 * configure.in (as_dwarf2_debug_line): Test with file number 1
5442 instead of file number 0.
5444 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5446 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5447 (gen_rtx_combine): Deleted; all references changed as appropriate.
5448 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5450 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5452 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5454 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5457 2001-03-16 Jim Wilson <wilson@redhat.com>
5459 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5460 then set it to LOC_REG (79) instead of aborting.
5462 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5464 * gccbug.in: Remove high priority.
5466 2001-03-16 Richard Henerson <rth@redhat.com>
5468 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5469 output with a space instead of deleting it.
5470 * configure: Regenerate.
5472 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5474 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5475 handles the gory details of converting an object file into
5476 something that's safe to grep.
5477 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5478 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5479 newlines at either end of the string we're looking for.
5480 Make 'checking ...' message less stilted.
5481 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5482 ARM in-memory layout and its hypothetical converse. Don't
5483 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5484 HOST_WORDS_BIG_ENDIAN.
5486 * configure.in: Adjust for renamed macro. Move
5487 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5488 * configure, config.in: Regenerate.
5490 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5492 * fixinc/Makefile.in: Set SHELL.
5494 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5496 * fixinc/fixincl.c (fix_with_system): Quote file names before
5497 passing them to shell.
5499 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5501 * Makefile.in: Use fix-header$(build_exeext) instead
5504 2001-03-16 Richard Henderson <rth@redhat.com>
5506 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5507 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5508 (size_of_line_prolog): Remove.
5509 (output_line_info): Compute prologue size via label difference.
5510 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5512 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5513 assembler error when redefining file numbers.
5514 * config.in, configure: Rebuild.
5516 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5517 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5518 (dw2_asm_output_delta_uleb128): Likewise.
5519 (dw2_asm_output_delta_sleb128): Similarly.
5520 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5522 2001-03-16 Michael Meissner <meissner@redhat.com>
5524 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5526 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5528 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5530 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5531 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5532 being unsigned in ISO C and signed in traditional.
5533 (expand_prologue): Ditto.
5534 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5536 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5538 (divsi3,divdi3): Ditto.
5539 (modsi3,moddi3): Ditto.
5540 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5541 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5542 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5545 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5547 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5548 SSE based conditional moves on LTGT/UNEQ conditions;
5549 Canonicalize EQ to NE.
5550 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5551 (sse_mov?fcc_ne): New.
5553 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5555 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5557 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5558 register may be dead.
5560 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5562 * Makefile.in (hash.o): Depend on CONFIG_H.
5564 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5566 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5568 2001-03-15 Richard Henderson <rth@redhat.com>
5570 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5571 (ASM_OUTPUT_DWARF_PCREL): New.
5572 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5574 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5576 * cppfiles.c (stack_include_file): Use MAX of sysp.
5578 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5580 * config.gcc (ia64*-*-hpux*): New case.
5581 * config/ia64/hpux.h: New file for HP-UX support.
5582 * config/ia64/t-hpux: New file for HP-UX support.
5584 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5586 * fixinc/inclhack.def (irix_stdio_va_list): New.
5587 * fixinc/fixincl.x: Rebuilt.
5589 2001-03-15 Richard Henderson <rth@redhat.com>
5591 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5592 if provided by the target.
5593 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5594 (dw2_asm_output_addr): New.
5595 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5596 * dwarf2out.c (output_cfi): Use it for program addresses.
5597 (output_call_frame_info, output_die): Likewise.
5598 (output_aranges, output_line_info): Likewise.
5600 2001-03-15 Bruce Korb <bkorb@gnu.org>
5602 * gcc.c(main): make more rigorous
5603 * collect2.c(main): guard against ignoring SIGCHLD
5604 * protoize.c(main): ditto
5605 * gcc/fixinc/fixincl.c(initialize): ditto
5607 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5609 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5610 (sdbout_parms): Likewise.
5612 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5614 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5615 "widen" a destination that is already wider than a word. Also do
5616 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5618 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5620 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5622 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5624 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5626 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5628 * i960.h (i960_maxbitalignment,
5629 i960_last_maxbitalignment): Declare.
5630 * i960.c (i960_maxbitalignment,
5631 i960_last_maxbitalignment): Make global.
5632 (process_pragma): Delete.
5633 (i960_pr_align, i960_pr_noalign): Move from here ...
5634 * i960-c.c: ... to this new file.
5635 * t-960bare (i960-c.o): New rule.
5636 * t-vxworks960 (i960-c.o): Likewise.
5637 * config.gcc (i960-*-*): Define c_target_objs and
5640 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5642 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5643 without adding in rtx code and mode.
5645 * alias.c (init_alias_analysis): Don't use any rtx whose value
5646 varies as a known value.
5647 Delete a superfluous test.
5649 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5651 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5652 scheduling a stop bit.
5653 (ia64_emit_nops): Correctly handle ASMs.
5655 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5657 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5659 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5661 * cpp.texi: Update documentation for -include and -imacros.
5662 * cppfiles.c (struct include_file): Remove "defined" memeber.
5663 (find_or_create_entry): Make a copy of the file name, and
5665 (open_file): Update to ensure we use the simplified filename.
5666 (stack_include_file): Don't set search_from.
5667 (cpp_included): Don't simplify the path name here.
5668 (find_include_file): New prototype. Call search_from to
5669 get the start of the "" include chain. Don't simplify the
5671 (_cpp_execute_include): New prototype. Move diagnostics to
5672 do_include_common. Update.
5673 (_cpp_pop_file_buffer): Don't set defined.
5674 (search_from): New prototype. Use the preprocessor's cwd
5675 for files included from the command line.
5676 (read_name_map): Don't simplify the pathname here.
5677 * cpphash.h (enum include_type): New.
5678 (struct buffer): Delete search from. New search_cached.
5679 (_cpp_execute_include): Update prototype.
5680 * cppinit.c (do_includes): Use _cpp_execute_include.
5681 * cpplib.c (do_include_common): New function.
5682 (do_include, do_include_next, do_import): Use it.
5684 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5686 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5687 contents of the RTL, to determine the name of the object.
5689 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5691 * tree.h (DECL_RTL): Allocate RTL lazily.
5692 (SET_DECL_RTL): New macro.
5693 (DECL_RTL_SET_P): Likewise.
5694 (COPY_DECL_RTL): Likewise.
5695 (DECL_RTL_IF_SET): Likewise.
5696 * varasm.c (make_decl_rtl): Add assertions about the kind of
5697 declaration we are processing.
5698 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5699 (start_decl): Likewise.
5700 (finish_decl): Likewise.
5701 * c-semantics.c (emit_local_var): Likewise.
5702 * calls.c (expand_call): Likewise.
5703 * dbxout.c (dbxout_symbol): Likewise.
5704 * emit-rtl.c (unshare_all_rtl): Likewise.
5705 (unshare_all_decls): Likewise.
5706 (reset_used_decls): Likewise.
5707 * expr.c (store_constructor): Likewise.
5708 (safe_from_p): Likewise.
5709 (expand_expr): Likewise.
5710 * function.c (put_var_into_stack): Likewise.
5711 (instantiate_decls_1): Likewise.
5712 (assign_parms): Likewise.
5713 (expand_function_start): Likewise.
5714 (expand_function_end): Likewise.
5715 * ggc-common.c (gcc_mark_trees): Likewise.
5716 * integrate.c (function_cannot_inline_p): Likewise.
5717 (copy_decl_for_inlining): Likewise.
5718 (expand_inline_function): Likewise.
5719 (integrate_parm_decls): Likewise.
5720 (integrate_decl_tree): Likewise.
5721 * print-tree.c (print_node): Likewise.
5722 * reg-stack.c (stack_result): Likewise.
5723 * stmt.c (label_rtx): Likewise.
5724 (expand_return): Likewise.
5725 (expand_decl): Likewise.
5726 (expand_decl_cleanup): Likewise.
5727 (expand_anon_union_decl): Likewise.
5728 * toplev.c (check_global_declarations): Likewise.
5729 (rest_of_decl_compilation): Likewise.
5730 * tree.c (simple_cst_equal): Likewise.
5731 * objc/objc-act.c (generate_static_references): Likewise.
5733 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5735 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5736 gcc_AC_C_FLOAT_FORMAT): New macros.
5737 * configure.in: Add AC_PROG_CPP after CC tests;
5738 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5739 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5740 * configure, config.in: Regenerate.
5742 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5743 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5744 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5745 config/i370/xm-linux.h, config/i370/xm-oe.h,
5746 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5747 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5748 config/pa/xm-linux.h, config/pa/xm-pa.h,
5749 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5750 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5751 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5752 config/we32k/xm-we32k.h: Delete.
5754 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5755 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5756 config/vax/xm-vms.h: Don't define any of:
5757 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5759 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5761 * config.gcc: Remove references to deleted files.
5762 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5763 FATAL_EXIT_CODE, which is the same between oe and mvs).
5765 2001-03-14 DJ Delorie <dj@redhat.com>
5766 Vladimir Makarov <vmakarov@redhat.com>
5768 * config/i960/i960.c (i960_function_prologue): Compute size of
5769 frame according to number of registers actually saved there.
5771 2001-03-14 Richard Henderson <rth@redhat.com>
5773 * expr.c (emit_move_insn_1): Fix else if around #endif.
5775 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5778 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5781 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5783 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5784 (override_options): Parse cmodel string.
5785 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5786 * i386.h (TARGET_OPTIONS): Add "cmodel".
5787 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5789 (ix86_cmodel_string, ix86_cmodel): Declare.
5791 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5794 * i386.h (GENERAL_REG_P): Add missing REG_P.
5796 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5798 * configure.in: Use $gcc_cv_as instead of $as.
5799 * configure: Regenerated.
5801 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5803 * cppfiles.c (stack_include_file): Only increase the include
5804 count if we actually process the file properly, as opposed
5805 to treating it as length zero. Only call read_include_file
5806 if not DO_NOT_REREAD. Handle the -H include file output
5808 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5809 (cpp_included, find_include_file): Simplify pathnames after
5810 remapping them. If remapping, don't use the remapped file
5811 name's buffer as our scratch buffer.
5812 (cpp_pop_file_buffer): Replace the multiple include macro
5813 only if it isn't yet set.
5814 (read_name_map): Simplify remapped names when reading in.
5815 (remap_filename): Move code to code path that uses it.
5816 (_cpp_simplify_pathname): Return the input pointer.
5817 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5819 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5821 * expr.c (expand_expr): Revove bogus conditional.
5823 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5825 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5827 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5829 * reg-stack.c (stack_result): Unconditionally use
5830 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5832 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5834 * expr.c (emit_move_insn_1): Split push of complex value when
5835 no suitable push instruction exist.
5837 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5838 instead of QI_REG_P.
5840 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5842 * alias.c (handled_component_p, can_address_p): New functions.
5843 (get_alias_set): Use them.
5845 2001-03-13 Jim Wilson <wilson@redhat.com>
5847 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5848 from 80 in try_locals code.
5849 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5851 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5853 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5854 gcc_AC_C_LONG_LONG): New.
5855 * configure.in: Use them. Probe the size of short, int, long,
5856 and long long/__int64 if we have them. Move all the AC_C_*
5857 checks together, except gcc_AC_C_CHAR_BIT which has to go
5858 after AC_CHECK_HEADERS(limits.h).
5859 Take hwint.h out of host_xm_file and build_xm_file.
5861 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5862 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5863 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5864 Move the HOST_WIDEST_INT setup logic here from system.h.
5865 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5867 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5868 is now handled by hwint.h.
5870 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5871 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5872 config/ia64/xm-ia64.h: Don't define any of:
5873 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5874 HOST_BITS_PER_LONGLONG.
5876 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5877 config/h8300/xm-h8300.h, config/mips/iris6.h,
5878 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5879 config/sparc/xm-sp64.h: Delete.
5880 * config.gcc: Remove references to deleted files.
5882 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5883 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5884 * config/i370/xm-linux.h: Clarify floating-point situation in
5887 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5889 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5890 (find_include_file): Decide here which part of the include
5891 chain to start the search. Complain about an empty include
5892 chain in all cases apart from an abolsute file name.
5893 (_cpp_execute_include): Don't choose the search chain here.
5894 Don't call handle_missing_include in the case of an empty
5896 (_cpp_compare_file_date): Don't choose the search chain here.
5897 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5898 here from _cpp_execute_include. Behave like #include if
5899 we're in the main file.
5901 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5903 * system.h (malloc, realloc, calloc, strdup): Only poison these
5904 tokens when IN_GCC is defined.
5906 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5908 * i386.md (abs?f expander): Support SSE case.
5909 (abd?f_if): Add new "USE"; add splitters.
5911 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * cpp.texi (poison): Explain the macro expansion exception.
5915 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5917 * expr.c (store_expr): Add dont_store_target. If temp is already in
5918 target before copying to reg, don't store it into target again.
5920 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5922 * cppinternals.texi: Update for file handling.
5924 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5926 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5927 2001-02-24 which broke building the Java library.
5928 * function.c (identify_blocks): Likewise.
5929 (all_blocks): Likewise.
5930 * integrate.c (integrate_decl_tree): Likewise.
5931 * print-tree.c (print_node): Likewise.
5932 * tree.h (BLOCK_NUMBER): Likewise.
5933 (struct tree_block): Likewise.
5935 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5937 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5938 __WCHAR_TYPE__ definition.
5939 (WCHAR_TYPE_SIZE): #undef before #define.
5941 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * cppfiles.c: Update comments.
5944 (destroy_include_file_node): Rename destroy_node.
5945 (find_or_create_entry): New function.
5946 (open_file, _cpp_fake_include): Use it.
5947 (handle_missing_header): New function, broken out of
5948 _cpp_execute include. Don't segfault if there is no
5949 system or quoted path.
5950 (_cpp_execute_include): Use handle_missing_header.
5952 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5954 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5955 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5957 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5959 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5960 unless anti_dependence says they are.
5961 * alias.c (objects_must_conflict): If neither has a type specified,
5964 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5965 David Billinghurst <David.Billinghurst@riotinto.com>
5967 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5969 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5971 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5972 (*_one_bit): Remove type on the match_operand in attributes.
5974 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5976 * i386.c: Commit forgotten hunk in previous patch.
5977 (regclass_map): Add extended registers.
5978 (dbx_register_map): Add missing frame register.
5980 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5982 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5984 * i386.md (x86_sahf_1): Disable for 64bit.
5985 (popsi*, pophi*): Likewise.
5986 (pushqi, pushhi): Likewise.
5987 (movdi, pushdi): Likewise.
5988 (zero extend DImode splitter): Likewise.
5989 (adddi, minusdi splitter): Likewise.
5990 (umulsidi): Likewise.
5992 (mulsidi): Disable for 64bit
5993 (lshift:DI/ashift:DI): Disable for 64bit.
5994 (loop patterns): Likewise.
5995 (call_pop, call_value_pop expanders and patterns): Likewise.
5996 (prologue_get_pc): Likewise.
5998 (fcmovDI pattern and splitter): Likewise.
5999 (movdfcc_1_rex64): New.
6001 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6003 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6004 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6005 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6006 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6007 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6008 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6009 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6010 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6011 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6012 (REGPARM_MAX): Set to 6 for x86_64.
6013 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6014 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6017 * (patterns that does use upper halves): Update constraints
6018 'q' to 'Q' and 'r' to 'R'.
6019 (cmpqi_ext_1): Disable for 64bit.
6020 (cmpqi_ext_3_insn): Likewise.
6021 (movqi_extzv_1): Likewsie.
6022 (addqi_ext_1): Liekwsie
6023 (testqi_ext_1): Liekwsie
6024 (andqi_ext_1): Liekwsie
6025 (xorqi_ext_1): Liekwsie
6026 (cmpqi_ext_1_rex64): New.
6027 (cmpqi_ext_3_insn_rex64): Likewise.
6028 (movqi_extzv_1_rex64): Likewsie.
6029 (addqi_ext_1_rex64): Liekwsie
6030 (testqi_ext_1_rex64): Liekwsie
6031 (andqi_ext_1_rex64): Liekwsie
6032 (xorqi_ext_1_rex64): Liekwsie
6034 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6036 * configure.in: Move check for unsigned enumerated bitfields
6037 to macro in aclocal.m4. Disable it for now.
6038 * configure, config.in: Regenerate.
6039 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6040 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6041 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6042 kind above its first use.
6044 * config/xm-interix.h, config/alpha/xm-alpha.h,
6045 config/i370/xm-linux.h, config/i386/xm-beos.h,
6046 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6047 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6048 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6049 Don't define ONLY_INT_FIELDS under any circumstances.
6051 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6053 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6054 config/sparc/xm-sysv4.h: Delete - now identical with some
6056 * config.gcc (hppa targets): Replace xm-pahpux.h and
6057 xm-papro.h with implicit xm-pa.h.
6058 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6061 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6063 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6064 before reload_cse_noop_set_p.
6066 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6068 * config.gcc: Where xm-host.h used to include another
6069 xm-host.h, list the nested header directly in xm_file. Remove
6070 references to deleted files. Can now use sparc/xm-sp64.h for
6073 * config/xm-linux.h, config/arm/xm-linux.h,
6074 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6075 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6076 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6077 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6078 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6081 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6082 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6083 bother to wrap #undef in #ifdef.
6084 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6085 Don't include xm-linux.h.
6086 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6088 * configure.in: Wrap regexps using [] in changequote block.
6089 Use expr : not echo | grep. Simplify regexps.
6090 * configure: Regenerate.
6092 56 xm-files remain, 22 xm-arch.
6094 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6096 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6097 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6098 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6099 (copy_object): Fix format specifier vs argument mismatch.
6101 * mips-tdump.c: Make local functions static.
6102 (rindex): Don't #undef.
6103 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6104 (fatal, fancy_abort): Delete.
6105 (read_seek): Avoid signed/unsigned compare.
6107 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * combine.c (try_combine): Fix error in change to try original
6111 (gen_rtx_combine): Do same as gen_rtx for now.
6113 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6115 * configure.in: AC_SUBST xm_defines.
6116 * configure: Regenerate.
6117 * Makefile.in: Set DEFINES=$(xm_defines) when building
6120 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6122 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6123 (cpp_included, find_include_file): Update.
6124 (_cpp_compare_file_date): Make else unconditional.
6126 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6128 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6130 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6132 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6133 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6135 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6137 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6138 if it's a record type.
6140 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6142 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6143 mingw includes slightly.
6145 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6147 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6148 #undef token before poisoning it.
6150 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6152 * alpha.c (check_float_value): Use memcpy, not bcopy.
6154 * m32r.c (m32r_sched_reorder): Likewise.
6156 * vax.c (check_float_value): Likewise.
6158 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6160 * toplev.c (file_name_nondirectory): Remove.
6161 * toplev.h: Similarly.
6162 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6163 of file_name_nondirectory.
6165 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6167 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6168 * mips-tfile.c: Don't #undef rindex; not used.
6170 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6172 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6173 (dbx64_register_map): Declare.
6174 (RETURN_ADDR_RTX): Fix for 64bit.
6175 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6176 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6177 * i386.c (dbx64_register_map): New global array.
6178 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6179 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6182 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6184 * cppfiles.c (search_from): Use lbasename.
6185 * mkdeps.c (deps_add_default_target): Use lbasename.
6187 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6189 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6190 xcalloc in lieu of malloc, realloc & calloc.
6192 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6194 * gengenrtl.c (xmalloc): Likewise.
6196 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6197 really_call_* memory allocation routines.
6199 * stmt.c (check_for_full_enumeration_handling): Use
6200 really_call_calloc, not calloc.
6202 * system.h (really_call_malloc, really_call_calloc,
6203 really_call_realloc): Define.
6204 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6206 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6208 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6210 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6212 * configure: Rebuilt.
6213 * configure.in: Only use `lang_requires' for languages athat are
6216 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6218 * invoke.texi: Fix typo.
6219 * gcc.1: Regenerate.
6221 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6223 * configure.in: Prune nonexistent files from build_xm_file,
6224 xm_file, and host_xm_file lists. Warn unless they're
6226 Don't generate *config.h here.
6227 AC_SUBST all variables needed to generate *config.h.
6228 * configure: Regenerate.
6229 * mkconfig.sh: New helper script, from code removed from
6231 * Makefile.in: Zap all MALLOC variables - no longer used
6232 anywhere, and malloc.c doesn't exist.
6233 Substitute in variables needed to generate *config.h.
6234 Stop lying about the dependencies contained in CONFIG_H and
6236 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6237 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6238 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6239 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6240 $(TM_P_H), etc. as appropriate.
6242 * config.gcc: Zap references to deleted files.
6243 * ggc-none.c: Don't include rtl.h or tm_p.h.
6245 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6246 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6247 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6248 config/i386/xm-linux.h, config/i386/xm-linux.h,
6249 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6250 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6251 Don't include i386/xm-i386.h.
6253 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6254 config/i386/xm-i386.h, config/i860/xm-i860.h,
6255 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6256 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6257 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6258 Delete (empty except comments, #includes of other deleted
6259 files, and macros used nowhere).
6261 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6263 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6264 independent on TARGET_FLAGS.
6266 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6268 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6270 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6272 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6274 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6275 LAST_REX_SSE_REG): define.
6276 (enum reg_class): Add 'LEGACY_REGS'
6277 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6278 (SSE_REGNO_P): Recognize extended registers.
6279 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6280 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6281 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6282 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6283 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6284 REG_OK_FOR_STRREG_P): Remove.
6285 (HI_REGISTER_NAMES): Add extended registers.
6286 (ADDITIONAL_REGISTER_NAMES): Likewise.
6287 (QI_REGISTER_NAMES): Add 8bit extended registers.
6288 (DEBUG_REG): Support extended registers.
6289 * i386.c (regclass_map): Add extended registers.
6290 (dbx_register-map): Likewise.
6291 (svr4_dbx_register_map): Likewise.
6292 (print_reg): Support extended registers.
6293 (print_operand): Support 64bit operands.
6295 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6297 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6298 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6299 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6300 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6301 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6302 STACK_BOUNDARY): Set properly for 64bits.
6303 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6304 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6305 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6306 (MOVE_MAX): Set to 16.
6307 (MOVE_MAX_PIECES): 8 for 64bit.
6308 (Pmode): Set to SImode.
6310 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6312 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6314 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6316 * i386.h (mask_64bit): New constant.
6317 (target_64bit): New macro.
6318 (target_options): Add '64'/'32'
6319 (target_default): Define.
6320 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6321 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6322 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6324 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6326 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6328 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6330 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6331 LO_SUM unless for_alias is set.
6333 2001-03-08 Stan Shebs <shebs@apple.com>
6335 * objc/objc-act.c: Fix old typos in comments, add comments for
6337 (hash_init): Fix file name in error message.
6338 (hash_enter): Ditto.
6339 (hash_add_attr): Ditto.
6340 (continue_class): Ditto.
6342 2001-03-08 Bruce Korb <bkorb@gnu.org>
6344 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6345 wait4() can receive the signal.
6347 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6349 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6351 * fixinc/fixincl.x: Regenerate.
6353 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6355 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6357 * fixinc/fixincl.x: Regenerate.
6359 2001-03-08 Richard Henderson <rth@redhat.com>
6361 * configure.in (HAVE_AS_LEB128): New assembler check.
6362 * configure, config.in: Rebuilt.
6364 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6366 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6369 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6371 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6372 references to the MAXPATHLEN macro.
6374 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6375 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6378 * config/i386/xm-gnu.h, config/xm-gnu.h,
6379 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6380 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6381 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6382 and/or unused files.
6384 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6385 doing so in various xm-*.h files.
6387 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6389 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6391 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6393 * configure.in (enable_shared): Support per-package shared-library
6395 * configure: Rebuilt.
6397 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6399 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6400 for crnot. Set operands[5] in splitter.
6402 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6404 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6405 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6406 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6407 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6408 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6409 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6410 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6413 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6414 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6415 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6416 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6417 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6418 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6419 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6420 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6421 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6422 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6423 Delete unused and/or empty files.
6425 * config.gcc: Define USG in xm_defines as appropriate. Define
6426 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6427 macro. Remove deleted xm-* files from $xm_files variable.
6429 2001-03-07 Tom Tromey <tromey@redhat.com>
6431 * configure: Rebuilt.
6432 * configure.in: Allow config-lang.in to set `lang_requires' to list
6433 of other required languages.
6435 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6437 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6439 (output_prologue): Use xmalloc not oballoc.
6440 (output_epilog): Free a29k_first_epilogue_insn when finished.
6441 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6443 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6445 * builtins.c (expand_builtin_mathfn): Check
6446 flag_unsafe_math_optimizations, not flag_fast_math.
6447 (expand_builtin): Likewise
6448 * combine.c (combine_simplify_rtx): Likewise.
6449 (simplify_if_then_else): Likewise.
6450 * cse.c (fold_rtx): Likewise.
6451 * flags.h: Remove flag_fast_math. Add
6452 flag_unsafe_math_optimizations and flag_trapping_math.
6453 * fold-const.c (negate_expr): Check
6454 flag_unsafe_math_optimizations, not flag_fast_math.
6455 (invert_truthvalue): Likewise.
6456 (fold): Likewise. Before associating operands, check that
6457 code == MULT_EXPR, not code != MULT_EXPR.
6458 * ifcvt.c (noce_try_minmax): Check
6459 flag_unsafe_math_optimizations, not flag_fast_math.
6460 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6461 * invoke.texi: Document -funsafe-math-optimizations and
6462 -fno-trapping-math. Change documentation for -ffast-math.
6463 * jump.c (reversed_comparison_code_parts): Likewise.
6464 (rtx_equal_for_thread_p): Likewise.
6465 * optabs.c (emit_conditional_move): Likewise.
6466 * simplify-rtx.c (simplify_binary_operation): Likewise.
6467 (simplify_relational_operation): Likewise.
6468 (simplify_ternary_operation): Likewise.
6469 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6470 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6471 Add trapping-math and unsafe-math-optimizations entries to f_options.
6472 (set_fast_math_flags): New, sets flags for -ffast-math.
6473 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6474 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6475 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6477 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6478 (alpha_emit_conditional_move): Initialize local_fast_math to
6479 flag_unsafe_math_optimizations, not flat_fast_math.
6480 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6481 instead of setting flag_fast_math to 1.
6482 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6484 * config/i386/i386.c (override_options): Likewise
6485 * config/i386/i386.md: Likewise.
6486 * config/m68k/m68k.md: Likewise.
6487 * config/mips/mips.md: Likewise.
6488 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6489 (rs6000_generate_compare): Likewise.
6491 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6493 * Makefile.in: Set RANLIB to @RANLIB@.
6496 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6498 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6499 * fixinc/fixincl.x: Regenerated.
6501 2001-03-07 Richard Henderson <rth@redhat.com>
6503 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6505 2001-03-07 Richard Henderson <rth@redhat.com>
6507 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6508 of block notes and exception handling notes.
6510 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6511 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6512 (compile_file): ... here.
6514 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6516 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6518 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6519 config.h now. Include libiberty.h to handle alloca.
6521 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6523 * c-parse.in (yylexname): New function, split out of _yylex.
6524 (objc_rid_sans_at): New table.
6525 (init_reswords): Initialize it.
6526 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6527 retrieving the next token and checking it for significance as
6528 an ObjC keyword or string constant.
6530 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6531 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6533 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6536 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6538 * config/m68k/m68k.c (const_uint32_operand): Accept any
6539 const_int on a 32-bit host.
6541 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6543 * objc/objc-act.c (init_objc): Set save_lang_status,
6544 restore_lang_status, and mark_lang_status.
6546 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6548 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6550 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6552 * cppinternals.texi: Update.
6554 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6556 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6557 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6558 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6559 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6560 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6561 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6562 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6563 config/i386/xm-i386.h, config/i860/xm-i860.h,
6564 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6565 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6566 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6567 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6568 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6569 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6570 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6571 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6572 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6573 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6574 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6575 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6576 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6577 match the defaults provided in hwint.h.
6579 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6580 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6582 * config.gcc (xm_file): Don't set to files which are deleted.
6584 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6585 guard this file against these macros being undefined.
6587 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6589 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6590 and DECL_DEFER_OUTPUT on the decl we create, before calling
6591 rest_of_decl_compilation.
6593 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6595 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6597 * configure, config.in: Regenerate.
6598 * config.gcc: Remove references to deleted files.
6600 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6601 genrecog.c, rtl.c: Do not use alloca anywhere.
6603 * Makefile.in, build-make, system.h, config/x-interix,
6604 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6605 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6606 config/arc/xm-arc.h, config/arm/xm-arm.h,
6607 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6608 config/h8300/xm-h8300.h, config/i370/x-oe,
6609 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6610 config/i386/x-ncr3000, config/i386/x-sco5,
6611 config/i386/xm-dgux.h, config/i860/x-sysv4,
6612 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6613 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6614 config/m68k/x-hp320g, config/m69k/x-mot3300,
6615 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6616 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6617 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6618 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6619 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6620 config/mips/x-iris, config/mips/x-iris3,
6621 config/mips/x-sni-svr4, config/mips/x-sysv,
6622 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6623 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6624 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6625 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6626 config/pa/xm-papro.h, config/romp/xm-romp.h,
6627 config/rs6000/x-aix31, config/rs6000/x-aix41,
6628 config/rs6000/x-beos, config/rs6000/x-lynx,
6629 config/rs6000/x-mach, config/rs6000/x-rs6000,
6630 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6631 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6632 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6633 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6634 config/vax/xm-vms.h: Eradicate all references to alloca and
6637 * config/xm-alloca.h, config/clipper/x-clix,
6638 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6639 config/i860/x-sysv3, config/m88k/x-sysv3,
6640 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6641 (contained only alloca related hacks).
6643 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6646 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6648 * invoke.texi: Document __FAST_MATH__.
6650 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6652 * crtstuff.c: Restore include of auto-host.h.
6654 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6656 Put main() in a separate file, so that the language
6657 front-end can use a different main().
6660 * toplev.c: (main): Rename as toplev_main.
6661 * toplev.h: Declare toplev_main.
6662 * Makefile.in (OBJS): add toplev.o.
6663 (BACKEND): remove toplev.o, add main.o.
6665 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6667 * cppfiles.c (search_from): Special case the empty string.
6669 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6671 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6672 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6673 strlen or strcpy; we already know the length.
6674 (_cpp_compare_file_date): Similarly.
6675 * cpphash.h (struct cpp_reader): Delete done_initialising.
6676 (CPP_PREV_BUFFER): Delete.
6677 * cppinit.c (cpp_start_read): Don't set done_initialising.
6678 * cpplex.c (parse_string): Guarantee null-termination.
6679 (_cpp_equiv_toklists): Remove.
6680 * cpplib.c (glue_header_name): Null-terminate.
6681 (do_line): Don't leak memory.
6682 * cpplib.h (BT_WEAK): Delete.
6683 * cppmain.c (cb_ident): Strings are now null-terminated.
6685 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6687 * gcc.c (convert_filename): Append executable suffix
6688 if NO_AUTO_EXE_SUFFIX is not defined.
6689 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6690 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6692 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6694 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6695 * c-parse.gperf, c-gperf.h: Delete.
6696 (c-gperf.h was accidently re-added to the CVS repo in the rev
6697 1.16 commit by tromey)
6699 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6701 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6702 macro arguments when looking for the '('.
6703 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6704 2 when really parsing arguments; 1 when looking for '('.
6705 Always restore the lexer position.
6707 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6709 * longlong.h (umul_ppmm): Don't use a multiline string.
6711 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6713 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6714 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6715 t_bool in declaration because pcc can't combine volatile with typedef
6718 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6720 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6721 until when it is really needed.
6722 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6723 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6724 * i386.md (float?i?f splitter): Don't force source operand to memory
6726 (sse_movdfcc): Fix constraint.
6727 (sse_movdfcc splitter): Handle properly the second alternative.
6729 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6731 * cpplex.c (parse_string): Unconditionally pedwarn.
6733 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6736 * cppexp.c (parse_number): Update.
6737 * cpplex.c (parse_string): Pedwarn if multiline string does not
6738 result from a system header's macro.
6739 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6740 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6741 for function-like macros too.
6742 * c-lex.c (lex_number): Update.
6744 2001-03-03 Richard Henderson <rth@redhat.com>
6746 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6748 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6750 * combine.c (try_combine): If split with mode-changed scratch
6751 register didn't work, try the original mode.
6753 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6755 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6756 * config/c4x/c4x.h: Likewise.
6757 * stor-layout.c (compute_record_mode): Likewise.
6758 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6760 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6762 * configure.in: Kill tm.h. Include the files in the $tm_file
6763 list in all three of config.h, hconfig.h, tconfig.h, after the
6764 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6765 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6766 * configure: Regenerate.
6767 * Makefile.in (clean): Don't delete tm.h.
6769 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6770 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6771 those are not defined, set SEC and FEC to 0 and 1.
6772 * gcc.texi: Update to match.
6774 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6775 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6776 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6777 Include tconfig.h, not tm.h.
6779 * config/xm-lynx.h, config/xm-std32.h,
6780 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6781 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6782 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6783 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6784 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6785 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6786 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6787 config/i386/xm-i386.h, config/i860/xm-i860.h,
6788 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6789 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6790 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6791 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6792 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6793 config/pa/xm-linux.h, config/pa/xm-pa.h,
6794 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6795 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6796 config/pj/xm-pj.h, config/romp/xm-romp.h,
6797 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6798 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6799 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6800 config/v850/xm-v850.h, config/vax/xm-vax.h,
6801 config/we32k/xm-we32k.h:
6803 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6805 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6806 config/i370/xm-oe.h: Don't include tm.h. Don't define
6808 * config/vax/xm-vms.h: Don't include tm.h.
6810 * config/xm-lynx.h, config/avr/xm-avr.h,
6811 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6812 Delete; made empty by above changes.
6813 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6814 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6815 Don't include config/xm-lynx.h or tm.h.
6817 * config/xm-gnu.h: Don't include fcntl.h.
6818 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6820 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6822 2001-03-02 Richard Henderson <rth@redhat.com>
6824 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6825 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6827 2001-03-02 Richard Henderson <rth@redhat.com>
6829 * Makefile.in (OBJS): Add dwarf2asm.o.
6830 * dwarf2asm.c, dwarf2asm.h: New files.
6831 * dwarf2out.c (*): Use them.
6832 (size_of_uleb128, size_of_sleb128): Remove.
6833 (output_uleb128, output_sleb128): Remove.
6834 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6835 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6836 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6837 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6838 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6839 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6840 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6841 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6842 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6843 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6844 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6845 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6846 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6847 (dwarf2out_frame_debug): Remove unused variables.
6848 (output_loc_operands): Don't abort on 8 byte constants if
6849 host integers are wide enough.
6850 (output_symbolic_ref): Remove.
6851 (size_of_die): Don't assume 4 byte host integers.
6852 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6854 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6855 something stupid with HOST_WIDE_INT to long truncation.
6856 [CONST_DOUBLE]: Likewise.
6858 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6859 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6860 * config/arm/unknown-elf.h: Likewise.
6861 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6862 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6863 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6864 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6865 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6866 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6867 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6868 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6869 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6870 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6871 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6872 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6874 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6876 * cselib.c (hash_rtx): Cast enums to unsigned int.
6878 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6880 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6881 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6883 * c-format.c (C_STD_VER): Cast to int for comparisons.
6884 (check_function_format): Cast various enums to int for &.
6885 (maybe_read_dollar_number): Likewise.
6886 (check_format_info): Likewise.
6887 (check_format_info_main): Likewise.
6888 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6889 (safe_from_p): Likewise.
6890 * varasm.c (const_hash): Cast enum to int for %.
6891 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6892 pcc enum problems with < and ++ operators.
6893 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6894 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6895 (regclass_init): Change enum class to int to iterate over reg_classes.
6896 * genrecog.c (merge_trees): Cast enums for comparison.
6897 * rtl.h (GET_CODE): Cast to enum rtx_code.
6898 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6899 (GET_MODE): Cast to enum machine_mode.
6900 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6901 (GET_NOTE_INSN_NAME): Cast enum to int.
6902 * tree.h (TREE_CODE): Cast to enum tree_code.
6903 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6904 * timevar.c (timevar_print): Change loop variable id from enum to
6906 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6907 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6908 * toplev.c (compile_file): Cast enum DFI to int.
6909 (decode_d_option): Likewise.
6911 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6913 * cppinit.c (append_include_chain): Mark "after" include file name list
6914 as a system directory.
6915 * cpp.texi: Document new behavior.
6917 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6919 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6921 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6923 * cppfiles.c (struct include_file): Update.
6924 (stack_include_file): Use search_from.
6925 (cpp_included, find_include_file): Update.
6926 (cpp_execute_include): Update. ptr->name may not be
6927 null terminated. Use the new search_from member variable
6929 (_cpp_compare_file_date): Similarly.
6930 (search_from): New function, similiar to actual_directory.
6931 (actual_directory): Delete.
6932 (remap_filename): Update. loc->name may not be null terminated.
6933 (struct file_name_list): Rename search_path. Update.
6934 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6935 search_from and dir.
6936 (struct cpp_reader): Remove actual_dirs.
6937 * cppinit.c (struct cpp_pending): Update for renamed objects.
6938 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6939 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6940 * cpplib.h (struct cpp_options): Similarly.
6942 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6944 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6945 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6946 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6947 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6948 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6949 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6950 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6951 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6952 config/i370/xm-oe.h, config/i386/xm-aix.h,
6953 config/i386/xm-i386.h, config/i386/xm-osf.h,
6954 config/i860/xm-i860.h, config/i960/xm-i960.h,
6955 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6956 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6957 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6958 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6959 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6960 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6961 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6962 config/pj/xm-pj.h, config/romp/xm-romp.h,
6963 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6964 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6965 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6966 config/v850/xm-v850.h, config/vax/xm-vax.h,
6967 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6968 Do not define TRUE or FALSE.
6970 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6971 empty by above change.
6972 * config.gcc: Remove references to these files.
6974 * configure.in: Detect stdbool.h.
6975 * configure, config.in: Regenerate.
6976 * system.h: Include stddef.h here if available.
6977 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6978 Then set up a sensible boolean type at the very end.
6980 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6981 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6983 * hash.h: Delete 'boolean' typedef and related #undefs.
6985 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6986 all uses of 'boolean' with 'bool'.
6988 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6990 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6991 * cppexp.c (lex): Cast enums for comparison.
6992 * cppinit.c (parse_option): Cast enum for comparison.
6993 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6994 (cpp_output_token): Likewise.
6995 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6996 (cpp_avoid_paste): Cast enums for minus and comparison.
6998 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7000 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7001 field to all array elements.
7003 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7005 * cpphash.h (struct cpp_reader): Add print_version field.
7006 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7007 just set print_version and other flags as appropriate.
7008 (cpp_post_options): Print version here if print_version is set.
7010 * toplev.c (exit_after_options): New flag.
7011 (independent_decode_option): Don't exit here; just set
7013 (main): Exit after calling lang_hooks.post_options if
7014 exit_after_options is true.
7016 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7017 (merge_include_chains): Adjust comment to match code.
7019 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7021 * stringpool.c (set_identifier): New function.
7022 * tree.h: Prototype it.
7024 * c-parse.in: Kill D_YES. If compiled for objc, call
7025 save_and_forget_protocol_qualifiers from init_reswords.
7026 * objc/objc-act.c (remember_protocol_qualifiers,
7027 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7028 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7030 (save_and_forget_protocol_qualifiers): New function.
7031 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7033 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7035 * c-semantics.c (prune_unused_decls): Return error_mark_node
7036 instead of (tree) 1 to stop traversing the tree chain.
7038 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7040 Fix a problem introduced by Kenner's Feb 18 change.
7041 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7042 flag_cse_skip_blocks only temporarily, not for ever.
7044 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7046 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7047 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7049 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7050 before determining its register class.
7052 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7054 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7055 from reg 4 if current_function_calls_setjmp.
7056 (gen_nop_type): New function.
7057 (ia64_emit_nops): New function.
7058 (ia64_reorg): Call it.
7059 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7061 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7062 code not to try to optimize adds with anything but a REG destination.
7064 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7065 (INSN_PRIORITY_KNOWN): New accessor macro.
7066 * haifa-sched.c (priority): Use it instead of testing priority against
7069 2001-02-28 DJ Delorie <dj@redhat.com>
7071 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7072 since that doesn't work the way gcc wants on a generic m68k.
7074 2001-02-28 Richard Henderson <rth@redhat.com>
7076 * caller-save.c (save_call_clobbered_regs): Fix typo in
7077 comparison last change.
7079 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7081 * i386.c (pentium4_cost): New.
7082 (m_PENT4): New macro.
7083 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7084 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7085 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7086 x86_memory_mismatch_stall): Add Pentium4
7087 (x86_use_q_reg, x86_use_any_reg): Kill.
7088 (override_options): Add pentium4.
7089 (incdec_operand): Return 0 for pentium4.
7090 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7091 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7092 (TARGET_PENTIUM4): Define.
7093 (enum processor_type): Add PROCESSOR_PENTIUM4.
7094 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7095 * i386.md (attribute "cpu"): Add pentium4.
7096 * invoke.texi (march): Add pentium4.
7098 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7100 * i386.md (sse_mov?fcc*): New patterns and splitters.
7101 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7102 the SSE based conditional moves.
7104 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7106 * i386.md (attribute mode): Add "TI".
7107 (movsf_1): Add pxor support; remove constant propagation splitter.
7108 (movdf_integer): Likewise.
7109 (movdf_nointeger): Likewise.
7110 (movxf constant prop splitter): Handle all modes; update for SSE.
7111 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7112 * i386.c (standard_80387_constant_p): Rewrite.
7113 (standard_sse_constant_p): New.
7114 * i386-protos.h (standard_sse_constant_p): New.
7116 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7118 * i386.md (sse_setccsf, sse_setccdf): New.
7119 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7121 * i386.c (sse_comparison_operator): Accept the supported unordered
7122 comparses; be ready for fast_math.
7123 (print_operand): Support 'D'.
7125 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7127 * jump.c (reversed_comparison_code): Kill.
7129 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7131 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7134 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7136 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7137 add missing '%' in constraints.
7139 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7141 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7142 for HOST_BITS_PER_WIDE_INT == 32 too.
7144 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7148 (insert_save, insert_restore): New parameter save_mode.
7149 (init_caller_save): Update initialization of reg_save_code
7150 and reg_restore_code.
7151 (save_call_clobbered_regs): Compute save_modes and update calls to
7152 reg_save_code and reg_restore_code.
7153 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7154 of spill; update use of reg_restore_code.
7155 (insert_save): Likewise.
7156 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7157 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7158 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7160 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7162 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7163 noce_try_store_flag_inc, noce_try_store_flag_mask,
7164 noce_try_cmove_arith):
7165 Use reversed_comparison_code instead of reverse_comparison and
7166 can_reverse_comparison_p.
7168 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7170 * jump.c (reversed_comparison_code_parts): Allow reversal of
7171 unordered compares in -ffast-math mode; reverse ordered compares
7172 for FP even w/o -ffast-math.
7174 2001-02-27 Richard Henderson <rth@redhat.com>
7176 * print-rtl.c (print_rtx) [i]: Don't print field five on
7177 NOTEs other than NOTE_INSN_DELETED_LABEL.
7179 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7181 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7182 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7184 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7186 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7187 even if walk_subtrees is 0.
7188 * c-semantics.c (prune_unused_decls): Return a non-null value to
7189 stop traversing the tree chain.
7191 2001-02-27 DJ Delorie <dj@redhat.com>
7193 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7194 register, *then* define it as the new CFA.
7196 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7198 * pa.c (override_options): Promote -fpic to -fPIC.
7199 (legitimize_pic_address): Simplify due to removal of
7200 small PIC as a code generation option.
7201 (secondary_reload_class): Similarly.
7202 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7203 (PRINT_OPERAND_ADDRESS): Similarly.
7204 * pa.md (various patterns): Similarly.
7205 (small pic lo_sum pattern): Remove.
7207 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7210 * md.texi (min, max): Document
7212 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7214 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7215 TARGET_PARTIAL_REG_DEPENDENCY.
7216 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7218 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7220 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7222 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7224 * mips.c (mips_make_temp_file): Fix thinko in last change.
7226 2001-02-26 Jason Eckhardt <jle@redhat.com>
7228 * combine.c (known_cond): Do not reverse the condition when
7229 SMAX/UMAX is being considered and the condition is for equality
7232 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7234 2001-02-26 Philip Blundell <philb@gnu.org>
7236 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7238 * config/arm/linux-elf.h: Remove historical relics related to
7239 above configurations.
7240 * config/arm/linux-oldld.h: Delete.
7241 * config/arm/linux-elf26.h: Delete.
7243 2001-02-26 Jason Merrill <jason@redhat.com>
7245 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7247 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7248 recognize a tentative definition. Lose obsolete code.
7250 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7251 variables unless necessary, either.
7253 2001-02-25 Richard Henderson <rth@redhat.com>
7255 * ifcvt.c (struct noce_if_info): Add test_bb.
7256 (noce_get_alt_condition): New.
7257 (noce_try_minmax, noce_try_abs): New.
7258 (noce_operand_ok): New.
7259 (noce_process_if_block): Use them.
7260 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7262 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7264 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7267 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7269 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7270 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7272 (mips_asm_file_end): Free temp_filename here.
7274 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7276 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7277 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7279 * config/i386/i386.md (movstrsi): Handle FAIL case.
7281 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7283 * cppinit.c (builtin_array): Update.
7284 (init_builtins): Flag builtins to warn if redefined or
7285 undefined. Define __GXX_WEAK as a normal macro.
7286 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7287 * cpplib.h (NODE_WARN): New flag.
7288 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7289 Handle __STDC__ as a builtin only on Solaris.
7290 (warn_of_redefinition): Renamed from check_macro_definition.
7291 Reverse sense of test. Always warn if NODE_WARN.
7292 (_cpp_create_definition): Use warn_of_redefinition. Flag
7293 any macro beginning with "__STDC_" to require a mandatory
7294 warning if redefined or undefined.
7296 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7298 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7299 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7300 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7301 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7302 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7303 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7304 Don't define any of:
7305 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7306 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7307 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7308 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7309 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7311 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7312 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7315 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7316 Delete now-empty file.
7318 * alpha/vms.h: Define NEED_ATEXIT here...
7319 * alpha/xm-vms.h: ...not here.
7321 * i386/cygwin.h: Don't define PARAMS.
7322 * mips/mips.c: Don't prototype mktemp. Don't define
7323 P_tmpdir. Use make_temp_file to create temporary files.
7324 Don't be clever and delete temporary files early.
7325 * config.gcc: Drop references to deleted files. Don't define
7327 * gcc.texi: Don't mention USE_PROTOTYPES.
7329 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7331 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7332 (ix86_set_move_mem_attrs_1): Likewise.
7333 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7334 * config/i386/i386.md (movstrsi): Call it.
7336 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7338 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7339 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7340 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7341 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7343 (i750a-*-*): Error here if hosting on i750a.
7344 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7346 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7347 Remove (empty modulo comments).
7349 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7350 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7351 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7352 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7353 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7354 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7356 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7357 Remove reference to winnt.h in comment.
7358 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7360 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7362 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7363 used to set another biv.
7365 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7367 * tree.h (BLOCK_DEAD): New macro.
7368 (struct tree_block): New flag, dead_flag.
7369 * print-tree.c (print_node, case 'b'): Print missing fields.
7370 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7371 * function.c (identify_blocks): Enable test for misplaced notes.
7372 (all_blocks): Skip BLOCK_DEAD blocks.
7373 * integrate.c (integrate_decl_tree): Likewise.
7375 * errors.c (internal_error, trim_filename): New functions.
7376 (fancy_abort): Call internal_error.
7377 * errors.h (internal_error, trim_filename): New declarations.
7379 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7381 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7383 (EXTRA_CONSTRAINT): Formatting changes.
7385 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7387 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7389 2001-02-23 Per Bothner <per@bothner.com>
7391 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7392 so they can be called from java/jvspec.c.
7393 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7395 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7397 * i386.c (ix86_frame): New structure.
7398 (ix86_compute_frame_size): Kill.
7399 (ix86_compute_frame_layout): New.
7400 (ix86_save_reg): New.
7401 (ix86_can_use_return_insn_p): Use frame layout stuff.
7402 (ix86_expand_prologue): Likewise.
7403 (ix86_expand_epilogue): Likewise.
7404 (ix86_initial_elimination_offset): Likewise.
7405 (ix86_nsaved_regs): Use ix86_save_reg.
7406 (ix86_emit_save_regs): Likewise.
7408 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7410 * flow.c (find_sub_basic_blocks): New function.
7411 (split_block): Be ready for basic block introduced by CODE_LABEL.
7412 (commit_one_edge_insertion): Call find_sub_basic_block.
7414 * flow.c (make_edges): Add edge from entry for blocks starting with
7415 label having ALTERNATE_NAME
7417 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7419 * function.c (epilogue_done): Be ready for first basic block not
7420 containing PROLOGUE_END note.
7421 (reposition_prologue_and_epilogue_notes): Avoid placing
7422 PROLOGUE_END note between BASIC_BLOCK.
7424 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7426 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7428 2001-02-21 DJ Delorie <dj@redhat.com>
7430 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7431 check for current_function_has_nonlocal_goto from 1999-11-12.
7433 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7435 * diagnostic.c (trim_filename): No longer static.
7436 * toplev.h (trim_filename): Declare.
7437 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7438 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7439 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7440 (rtvec_check_failed_bounds): Likewise.
7441 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7443 * convert.c (convert_to_integer): Don't do unsigned unless result or
7444 both inputs are unsigned.
7446 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7449 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7451 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7453 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7455 * Makefile.in (resource.o): Add params.h dependence.
7456 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7457 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7458 * resource.c: Add dependence on params.h.
7459 (current_live_regs): Fix explanatory comment.
7460 (find_basic_block): Add new parameter to permit limiting search
7462 (mark_target_live_regs): Add new argument to find_basic_block call.
7463 (incr_ticks_for_insn): Likewise.
7465 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7467 * diagnostic.c (output_to_stream): Rename to
7468 output_buffer_to_stream. Loses the stream parameter.
7469 (init_output_buffer): Set diagnosic_buffer's stream.
7470 (flush_diagnostic_buffer): Adjust.
7471 (default_print_error_function): Likewise.
7472 (finish_diagnostic): Likewise.
7473 (verbatim): Likewise.
7475 * diagnostic.h (struct output_buffer): Add `stream' field.
7476 (output_buffer_attached_stream): New macro.
7478 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7480 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7481 check if either operand is divisible by C.
7482 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7483 If type is signed, consider negative numbers as well.
7485 2001-02-22 Richard Henderson <rth@redhat.com>
7487 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7488 reach .text instead of gp-relative relocs.
7489 * config/ia64/crtend.asm (.init): Likewise.
7491 2001-02-22 Andreas Jaeger <aj@suse.de>
7493 * extend.texi (C++ Attributes): Fix typo.
7495 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7497 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7498 functions, drop current_function_args_info.words test.
7499 (ia64_compute_frame_size): Mark syscall_linkage functions as
7500 using eight input registers.
7502 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7503 Bruce Korb <bkorb@gnu.org>
7505 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7506 * fixinc/README: Document how to convert sed substitutions
7507 to format style c_fix-es.
7508 * fixinc/fixincl.x: regen
7510 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7512 * gcc.c: Add comment explaining how to add a command-line option.
7513 Add title to specs language comment.
7515 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7517 * gcc.c (cc1_options): Add "-param".
7518 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7519 (option_map): Likewise.
7520 * toplev.c (display_help): Add entry for "--param".
7521 (independent_decode_option): Fix typographical error.
7523 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7524 Bernd Schmidt <bernds@redhat.com>
7525 Jan Hubicka <jh@suse.cz>
7527 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7528 (function_arg): Likewise.
7530 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7532 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7534 2001-02-21 Kazu Hirata <kazu@hxi.com>
7536 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7540 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7542 * flow.c (init_propagate_block_info): Canon address and use single_set
7543 for killing dead memory stores.
7545 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7547 * Makefile.in (reorg.o): Add params.h dependence.
7548 * params.def: Fix typographical error in comment.
7549 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7550 * params.h: Modify introductory comment.
7551 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7552 * reorg.c: Add dependence on params.h.
7553 (redundant_insn): Add parameterized throttle for search.
7554 (fill_simple_delay_slots): Add a comment explaining a variable.
7555 Move conditional out of loop, simplifying code.
7556 (fill_eager_delay_slots): Fix typographical error in comment.
7558 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7560 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7562 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7563 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7565 2001-02-21 Jason Merrill <jason@redhat.com>
7567 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7568 (struct tree_decl): Add uninlinable bitfield.
7569 * c-decl.c (duplicate_decls): Set it.
7570 * integrate.c (function_cannot_inline_p): Check it.
7572 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7573 DW_AT_MIPS_linkage_name to abstract methods.
7574 (dwarf2out_abstract_function): Emit class context before calling
7575 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7576 (gen_subprogram_die): Remove obsolete code.
7577 (gen_member_die): Don't include clones in the member list.
7578 (gen_decl_die): Emit abstract info for clone origin.
7579 * dwarfout.c (output_type): Don't include clones in the member list.
7580 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7581 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7582 DECL_ABSTRACT on a function that already has it set.
7584 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7585 (get_subprogram_die): Pass it in.
7587 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7589 * flow.c (mark_set_1): Make not_dead unsigned long. For
7590 non-pseudos, use it as a bitmask of the hard regs that
7593 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7595 * cppfiles.c: Update comments.
7596 (_cpp_read_file): Don't check for NULL filenames any more.
7597 * cppinit.c (cpp_start_read): Don't do canonicalization of
7598 in_fname and out_fname. Use the passed file name exclusively.
7599 (_cpp_handle_options): Don't treat "-" as a command line option,
7600 but as a normal filename.
7601 (_cpp_post_options): Canonicalize in_fname and out_fname.
7602 * cppmain.c (printer_init): Don't check out_fname for NULL.
7603 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7604 (init_c_lex): Update, and use "" to represent stdin to CPP.
7607 2001-02-20 Will Cohen <wcohen@redhat.com>
7609 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7610 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7611 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7614 2001-02-20 Stan Shebs <shebs@apple.com>
7616 * config/rs6000/rs6000.c (output_cbranch): Output branches
7617 on separate lines instead of using ';' to separate.
7619 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7621 * cppinit.c (set_lang): Move builtin handling to...
7622 (init_builtins): ...here.
7623 (_cpp_create_reader): Move call to set_lang.
7625 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7627 * stmt.c (expand_return): If an attempt is made to return the
7628 error_mar_node, treat the return like a return without a value.
7630 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7632 * sibcall.c (skip_copy_to_return_value): Call
7633 identify_call_return_value here, and return orig_insn if it
7634 returns zero. Hardret and softret arguments now unnecessary.
7635 (call_ends_block_p): Don't call identify_call_return_value here.
7637 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7639 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7640 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7642 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7644 * pa.c (move_operand): Accept code to load the address of a
7645 symbol out of the DLT as a valid move operand.
7646 (print_operand, case 'A'): New to handle generating a DLT
7647 reference for a LO_SUM expression.
7648 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7649 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7651 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7653 * README, cpp.texi, gcc.texi, version.c: Update version number to
7655 * cpp.1, gcov.1, gcc.1: Regenerate.
7657 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7659 * cppfiles.c (stack_include_file): Generate dependencies
7660 here, and manage include_count here too.
7661 (PRINT_THIS_DEP): Delete.
7662 (_cpp_execute_include): Do not generate dependencies here,
7663 apart from the case of a missing header. Do not manage
7665 (_cpp_read_file): Leave dependency generation to
7668 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7670 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7671 target_cpu_default. Remove dead assignment to
7674 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7676 * regclass.c (contains_reg_of_mode): Make global.
7677 (init_reg_sets): Remove contains_reg_of_mode; take into account
7678 CLASS_MAX_NREGS when looking for the proper mode.
7679 (dump_regclass): Dump only classes considered for the pseudo.
7680 (regclass): Use contains_reg_of_mode.
7682 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7684 * gcc.c (do_spec_1): 'n' for printing notices.
7685 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7687 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7689 * reg-stack.c (next_flags_user): Use current_block->end
7690 (swap_rtx_condition): Look for next user if flags don't die;
7691 give up on CALL_INSNs; use current_block->end.
7693 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7695 * sibcall.c (call_ends_block_p): New function.
7696 (optimize_sibling_and_tail_recursive_call): Use it.
7698 2001-02-18 Kazu Hirata <kazu@hxi.com>
7700 * config/h8300/h8300.md: Update copyright.
7701 (andsi3): Do not output an extra newline character.
7703 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7705 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7706 FNDECL may be unused.
7708 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7709 follow jumps after first run.
7710 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7711 it doesn't change any jumps.
7713 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7715 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7716 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7717 (mostlyclean): Corresponding changes.
7718 * rtlanal.c (hard-reg-set.h): Include.
7719 (rtx_unstable_p): Do not treat the argument pointer specially
7720 if it is not a fixed register.
7721 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7723 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7725 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7726 against last real insn in basic block.
7727 Rework to avoid gotos.
7729 * Makefile.in (gcse.o): Now includes ggc.h.
7730 * gcse.c: Include ggc.h.
7731 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7732 (try_replace_reg): Remove warning of uninitialize variable.
7733 (process_insert_insn): Call invalid_insn_p to validate insn.
7734 * recog.c (insn_invalid_p): Now global.
7735 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7736 * recog.h (insn_invalid_p): New declaration.
7738 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7740 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7741 assignments from FP constants since 'Y' output code can't handle it.
7742 (eligible_for_sibcall_delay): Likewise.
7744 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7745 Call fancy_abort directly, passing args.
7746 (print_rtl_and_abort): Now a macro, like fancy_abort.
7748 * final.c (output_operand_lossage): Use internal_error, not error.
7750 2001-02-18 Shane Nay <shane@agendacomputing.com>
7752 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7753 structure shift insns.
7755 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7757 * invoke.texi (-fsquangle): Remove documentation.
7758 (-fname-mangling-version): Likewise.
7760 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7762 * optabs.c (expand_abs): Remove reference to
7763 HAVE_contitional_arithmetic.
7764 * combine.c (simplify_set): Likewise.
7766 2001-02-18 Richard Henderson <rth@redhat.com>
7768 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7771 2001-02-18 Richard Henderson <rth@redhat.com>
7773 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7775 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7777 * reload1.c (reload_cse_simplify_set): Fix typo.
7779 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7781 * diagnostic.c (_fatal_insn): Decrement errorcount.
7783 * invoke.texi (-I): Add note avoiding use for system header files.
7785 * rtl.h (add_clobbers): Remove duplicate declaration.
7786 * recog.h (added_clobbers_hard_reg_p): New declaration.
7787 * genemit.c (struct clobber_pat): New field has_hard_reg.
7788 (gen_insn): Record if added clobbers clobber hard reg.
7789 (gen_split): Avoid unused warning if number of operands is 0.
7790 (output_added_clobbers_hard_reg_p): New function.
7793 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7795 * pa.c (hppa_expand_prologue): Simplify code storing return
7796 pointer. For large (>=8k) frames with a post_store, adjust stack
7797 pointer by 8k-64 first rather than by 64. When testing with
7798 VAL_14_BITS_P, always use the actual value rather than the value
7799 negated. Add blockage to prevent scheduling of spills before
7800 stack frame has been created.
7801 (hppa_expand_epilogue): Simplify code loading return pointer.
7802 Allow a slightly larger range for merge_sp_adjust_with_load case.
7803 When testing with VAL_14_BITS_P, always use the actual value.
7805 * pa.c (pa_adjust_insn_length): Check that block move
7806 pattern is a set before looking at operands.
7808 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7810 * fold-const.c (fold_binary_op_with_conditional_arg): New
7811 function, split out from ...
7813 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7814 conditional arms that throw exceptions.
7816 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7819 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7821 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7822 define HAVE_DECL_* to 1 to mask potential backup declarations.
7823 * configure: Regenerated.
7825 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7827 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7829 2001-02-17 Richard Henderson <rth@redhat.com>
7831 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7832 when replacing a memory load with a register.
7834 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7835 Jan Hubicka <jh@suse.cz>
7837 * recog.c (validate_replace_src_1): New.
7838 (validate_replace_src_data): Likewise.
7839 (validate_replace_src): Use note_uses.
7840 * rtl.h (note_uses): Declare.
7841 * rtlanal.c (note_uses): New.
7843 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7845 * reg-stack.c (stack_def): Make field reg unsigned.
7846 (remove_regno_note): Unsignetize parameter.
7848 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7850 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7851 shladd_operand() call.
7853 2001-02-16 Bruce Korb <bkorb@gnu.org>
7854 Rodney Brown <RodneyBrown@mynd.com>
7856 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7857 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7858 machine restrictions
7859 * fixinc/fixincl.x: regen
7861 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7863 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7865 (hash_scan_insn): Clean up calls to hash_scan_set.
7866 (compute_kill_rd): REGNO now unsigned.
7867 (try_replace_reg): Rework to use simplify_replace_rtx.
7868 (cprop_jump, cprop_cc0_jump): Likewise.
7869 (cprop_insn): Call find_reg_equal_equiv_note.
7870 Reflect changes to cprop_jump and cprop_cc0_jump.
7872 * recog.c (validate_replace_src): Replace in operands of
7873 ZERO_EXTRACT in SET_DEST.
7875 * cse.c (new_label_ref): New variable.
7876 (insert): Set it instead of recorded_label_ref.
7877 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7878 CODE_LABEL for this function, and not already in REG_LABEL note.
7880 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7882 * resource.c (mark_referenced_resources): Fix typo in introductory
7884 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7887 2001-02-16 Jason Merrill <jason@redhat.com>
7889 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7891 (gen_subprogram_die): Don't abort on seeing a second definition if
7892 the previous one was abstract. Don't replace an abstract instance
7893 in the lookup table.
7895 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7896 gen_abstract_function.
7897 * dwarf2out.h: Declare it.
7898 * toplev.c (note_outlining_of_inline_function): New fn.
7899 * toplev.h: Declare it.
7900 * integrate.c (output_inline_function): Call it.
7901 * c-decl.c (duplicate_decls): Call it when redefining an extern
7902 inline. Don't inline the new defn.
7904 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7906 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7908 * .gdbinit: Rename to gdbinit.in.
7909 * gdbinit.in: New file,
7910 * configure.in: Generate .gdbinit from gdbinit.in.
7911 * configure: Regenerated.
7912 * Makefile.in (distclean): Always remove .gdbinit.
7914 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7916 * objc/objc-act.c (start_class): Register implemented_classes with
7919 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7921 * cppfiles.c (_cpp_make_system_header): Generate a file
7924 2001-02-15 Jim Meyering <meyering@lucent.com>
7926 * Makefile.in (install-common): Don't depend on installdirs here.
7927 Instead, make each of the lang.install-common targets (e.g.,
7928 c++.install-common in cp/Make-lang.in) depend on it.
7929 (install-driver): Depend on installdirs.
7931 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7933 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7935 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7938 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7940 * invoke.texi (--param): Document.
7942 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7944 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7946 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7948 * i386.md (extendsfdf2_2): Fix constraints.
7950 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7952 * i386.md (fop_df_3 splitter): Fix operand number.
7954 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7956 * invoke.texi (-mreg-alloc): Nuke.
7957 * i386.c (ix86_reg_alloc_order, regs_allocated,
7958 order_regs_for_local_alloc): Nuke.
7959 (override_options): Kill reg_alloc code.
7960 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7961 (REG_ALLOC_ORDER): SSE goes before I387.
7962 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7963 (ix86_reg_alloc_order): Likewise.
7964 * i386-protos.h (ix86_reg_alloc_order): Kill.
7966 2001-02-14 Richard Henderson <rth@redhat.com>
7968 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7970 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7972 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7974 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7976 * i386-protos.h (ix86_memory_move_cost): Move offline.
7977 * i386.c (ix86_register_move_cost): Compute properly cost of
7978 SSE, MMX and i387 instructions.
7979 (*_cost): Add costs of SSE/MMX moves.
7980 (ix86_memory_move_cost): Move offline from ....; Likewise.
7981 * i386.h (MEMORY_MOVE_COST): .... here;
7982 (struct processor costs): Add new fields to represent costs
7985 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7987 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7988 move_cost together with Matt Kraai's fix.
7990 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7992 * Makefile.in (OBJS): Add params.o.
7994 2001-02-14 Richard Henderson <rth@redhat.com>
7995 DJ Delorie <dj@redhat.com>
7997 * jump.c (jump_optimize_1): When we delete a conditional jump
7998 preceeding a non-conditional jump to effectively the same place,
7999 make sure that the combined jump skips any clobber insns between
8002 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8004 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8006 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8008 * Makefile.in (toplev.o): Depend on params.h.
8009 (intergate.o): Likewise.
8010 (params.o): New target.
8011 * flags.h (inline_max_insns): Remove.
8012 * integrate.c: Include params.h.
8013 Use MAX_INLINE_INSNS instead of inline_max_insns.
8014 * params.c: New file.
8015 * params.h: Likewise.
8016 * params.def: Likewise.
8017 * toplev.c: Include params.h.
8018 (lang_independent_params): New variable.
8019 (decode_f_option): Use the param machinery instead of setting
8021 (independent_decode_option): Handle "--param name=value".
8022 (main): Register language-independent parameters.
8024 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8026 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8028 2001-02-14 Richard Henderson <rth@redhat.com>
8030 * regclass.c (init_reg_sets_1): Revert last two changes.
8032 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8034 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8035 (variable_size): Call put_pending_size.
8036 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8037 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8038 sizes list, put newly created SAVE_EXPR there as well.
8040 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8042 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8043 (errata_find_address_regs): load_group has only 2 entries.
8044 (errata_emit_nops): Likewise. shladd is not problematic.
8045 Clear last_group if nop was emitted.
8046 (fixup_errata): load_group has only 2 entries.
8049 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8051 * c-lex.c (lex_number): Only warn traditionally for U suffix
8052 outside system macros.
8053 * cppexp.c (parse_number): Similarly.
8054 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8055 * cppmacro.c (struct cpp_macro): New member node.
8056 (parse_args): Only warn about missing rest args if not
8058 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8059 (cpp_sys_objmacro_p): New.
8060 (_cpp_create_definition): Store the node with the macro defn.
8061 Remember if the macro is defined in a system header.
8063 2001-02-13 DJ Delorie <dj@redhat.com>
8065 * configure.in (check_languages): determine languages to check
8066 * Makefile.in (check-c++): alias for check-g++
8067 (check-f77): alias for check-g77
8068 (CHECK_TARGETS): depend on configured languages
8070 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8072 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8073 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8074 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8075 (sqrtextendsfdf2): Disable for SSE2.
8077 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8079 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8080 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8081 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8082 (sqrtextendsfdf2): Disable for SSE2.
8084 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8086 * i386.md (movsfcc_1): Support integer cmove instruction.
8087 (movdfcc_1): Likewise; new splitter.
8089 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8091 * i386.c (output_fp_compare): Support SSE.
8092 (prepare_fp_compare_args): SSE comparisons always support memory.
8093 * i386.h (TARGET_CMOVE): SSE imply cmove.
8094 * i386.md (cmp?f2): Enable for SSE too.
8095 (cmpfp_i*): Support SSE.
8097 (cmpfp_i_sse_only): New.
8098 (s*, b* fp expanters): Enable for SSE too.
8099 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8102 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8104 * regclass.c (init_reg_sets_1): Silence warning.
8106 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8108 * i386.md (sqrt?f2): Change to expander.
8109 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8111 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8113 * rtlanal.c (find_reg_equal_equiv_note): New function.
8114 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8115 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8116 * rtl.h: Add declarations for above functions.
8118 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8120 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8122 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8123 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8124 * flow.c (mark_regs_live_at_end): Likewise.
8125 (calculate_global_regs_live): Likewise.
8126 * gcse.c (compute_hash_table): Likewise.
8127 (compute_kill_rd): Likewise.
8128 * resource.c (mark_target_live_regs): Likewise.
8129 * rtl.h (INVALID_REGNUM): New macro.
8131 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8133 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8135 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8137 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8140 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8142 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8144 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8145 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8146 (fop_sf_1_sse, fop_df_1_sse): New patterns
8147 (fop_*): Disable float_extend and float patterns for SSE compilation.
8148 * i386.c (output_387_binary_op): Support SSE.
8150 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8152 * i386.md (dummy_extendsfdf2): Support SSE2
8153 (extendsfdf2): Enable if 80387 or SSE2.
8154 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8155 and no MIX_I387_SSE2
8156 (extendsfdf2_1_sse_only): New pattern.
8157 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8159 (truncdfsf2_1): Support SSE.
8160 (truncdfsf2_2): Support SSE.
8161 (truncdfsf2_2_1_sse): New pattern.
8162 (fixtruncsfsi2): Always use SSE if available.
8163 (fix_truncsfsi_sse): New pattern.
8164 (fix_truncdfsi_sse): New pattern.
8165 (floatsis?f2): Support SSE.
8166 (floatsidf2_i387): New pattern.
8167 (floatsidf2_sse): Likewise.
8169 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8171 * configure.in: Use "have_gnat" variable, not "gnat".
8172 * configure: Regenerated.
8174 * config/sparc/sparc.c (function_value): Treat all non-record
8175 aggregate types like used to treat UNION_TYPE.
8177 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8179 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8180 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8182 (MASK_MIX_SSE_I387): New.
8183 (TARGET_SSE): SSE2 imply SSE.
8184 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8185 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8186 (enum reg_class): Add new classes.
8187 (REG_CLASS_NAMES): Likewise.
8188 (REG_CLASS_CONTENTS): Likewise.
8189 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8190 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8191 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8192 (CLASS_MAX_NREGS): Use new macros.
8193 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8194 * i386.md (pushsf, movsf): Support SSE.
8195 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8196 splitters to use ANY_FP_REGNO_P.
8197 (movdf_nointeger, movdf_integer): Likewise.
8199 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8201 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8202 (try_combine): Use it.
8204 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8206 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8207 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8208 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8209 (REGISTER_MOVE_COST): Likewise.
8210 * i386-protos.h (ix86_secondary_memory_needed,
8211 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8212 * i386.c (ix86_secondary_memory_needed,
8213 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8215 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8217 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8218 (HARD_REGNO_MODE_OK): Move offline to ....
8219 * i386.c (ix86_hard_regno_mode_ok) ... here;
8220 refuse all incorrect modes.
8221 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8223 2001-02-13 Richard Henderson <rth@redhat.com>
8225 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8226 entire operator; replicate that and match_dup the operands.
8227 (cmp_ccx_arith_op_set): Likewise.
8228 (cmp_cc_arith_op_not_set): Likewise.
8229 (cmp_ccx_arith_op_not_set): Likewise.
8231 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8233 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8235 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8237 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8238 (TARGET_NO_BITFIELD_WORD): New macro.
8239 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8240 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8242 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8244 * cselib.c: New file, from simplify-rtx.c.
8245 * simplify-rtx.c: Remove cselib parts.
8246 * Makefile.in: Add cselib.o.
8248 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8250 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8251 (setup_incoming_varargs): Remove warning.
8253 * config/rs6000/rs6000.c (validate_condition_mode): When
8254 flag_fast_math, allow floating-point conditionals to be reversed.
8255 (rs6000_generate_compare): When flag_fast_math, don't generate
8256 cror operations for FP conditionals.
8258 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8260 (ASM_SPEC): Likewise.
8261 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8262 (CC1_SPEC): Likewise.
8263 (LINK_TARGET_SPEC): Likewise.
8264 (CPP_ENDIAN_SPEC): Likewise.
8265 * Makefile.in (check-consistency): New target.
8267 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8269 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8270 "return type defaults" warning for functions with return type
8272 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8273 function declarations by default rather than only when pedantic.
8275 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8277 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8280 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8282 * extend.texi (Deprecated): Deprecate new initializer lists.
8284 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8286 * mkdeps.c (deps_add_default_target): Robustify. Add
8287 basename component only.
8288 * cpp.texi (-M): Describe how default target is generated.
8289 * invoke.texi (-M): Likewise.
8291 2001-02-12 Kazu Hirata <kazu@hxi.com>
8293 * toplev.c (push_float_handler): Remove.
8294 (pop_float_handler): Remove.
8295 * toplev.h: Remove prototypes for the above functions.
8297 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8299 * c-common.c (constant_fits_type_p): New function.
8300 (convert_and_check): Use it.
8302 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8304 * Makefile.in (GXX_ABI_FLAG): Don't define.
8305 * configure.in (--enable-new-gxx-abi): Remove option.
8306 * config.in: Regenerated.
8307 * configure: Likewise.
8309 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8311 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8313 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8314 regular basic block, and arrange for all edges into it to switch
8317 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8319 * Makefile.in (distclean): Do not remove .gdbinit.
8321 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8323 * Makefile.in (gcc.o): Fix typos.
8324 (protize.o): Likewise.
8325 (unprotoize.o): Likewise.
8327 2001-02-11 Richard Henderson <rth@redhat.com>
8329 * tree.c (build1): Check for null operand in last change.
8331 2001-02-11 Richard Henderson <rth@redhat.com>
8333 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8334 (fold): Don't assume a constant isn't foldable.
8335 * tree.c (build): Set TREE_CONSTANT for an expression with no
8336 side-effects and constant operands.
8339 2001-02-10 Richard Henderson <rth@redhat.com>
8341 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8343 2001-02-10 Anthony Green <green@redhat.com>
8345 * cpp.texi (Standard Predefined): Add documentation for
8348 * c-common.c (combine_strings): Improve warning message.
8350 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8352 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8354 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8356 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8358 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8361 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8363 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8366 2001-02-09 Nick Clifton <nickc@redhat.com>
8368 * config/arm/arm.md: Change output contraint on post inc
8369 load/store multiple patterns to be a read/write contraint.
8371 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8373 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8374 .o files when using the -M options.
8376 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8377 David Edelsohn <edelsohn@gnu.org>
8379 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8380 handle DImode constants. Use one TOC entry for SImode and smaller
8381 constants, aligned properly.
8383 2001-02-08 Jason Merrill <jason@redhat.com>
8385 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8386 about the SP adjustment for saving the static chain pointer.
8387 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8388 offset when setting a temporary CFA register.
8390 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8392 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8393 powerpc-*-chorusos* .
8394 * config/rs6000/chorus.h : New file.
8395 * config/i386/chorus.h : New file.
8396 * config/sparc/chorus.h : New file.
8397 * config/sparc/t-chorus-elf : New file.
8399 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8401 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8402 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8403 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8404 (__WCHAR_TYPE__): Correct macro name.
8406 2001-02-08 Richard Henderson <rth@redhat.com>
8408 * config/i386/i386.c (ix86_frame_pointer_required): New.
8409 (ix86_setup_frame_addresses): New.
8410 (struct machine_funciton): Add accesses_prev_frame.
8411 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8412 ix86_frame_pointer_required.
8413 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8414 (SETUP_FRAME_ADDRESSES): New.
8415 * config/i386/i386-protos.h: Update.
8416 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8417 from FRAME_POINTER_REQUIRED.
8418 * config/i386/svr3gas.h: Likewise.
8419 * config/i386/sysv3.h: Likewise.
8420 * config/i386/v3gas.h: Likewise.
8422 2001-02-08 Richard Henderson <rth@redhat.com>
8424 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8425 calculation of the number of integer registers required.
8426 (function_arg_record_value): Likewise.
8428 2001-02-08 Jason Merrill <jason@redhat.com>
8430 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8431 two. Print file and line with "confused" message.
8433 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8435 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8437 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8439 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8441 * final.c (cleanup_subreg_operands): The address of a MEM can
8444 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8447 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8449 * gcc.texi (Incompatibilities): Update documentation of
8450 preprocessing numbers.
8452 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8454 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8456 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8458 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8460 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8461 * gcc.c (struct compiler): Add cpp_spec field.
8462 (input_file_compiler): New variable.
8463 (do_spec_1): Allow a particular compiler to handle `%C'
8465 (main): Store the current compiler in input_file_compiler.
8466 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8468 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8470 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8471 * cppinit.c (cpp_create_reader): Initialize them.
8472 (append_include_chain): cxx_aware arg might be unused.
8473 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8474 keywords and give them their phase 7 meaning. Pedwarn about
8475 this unless '__bool_true_false_are_defined' is defined.
8477 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8479 * lcm.c (optimize_mode_switching): Emit mode_set before the
8480 JUMP_INSN of an abnormal edge.
8482 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8484 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8485 a scheduling barrier at the end.
8487 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8489 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8491 * config/sh/sh.md (reload_outsf): Removed.
8492 (movsf_ie): Introduce constraints for FPUL loads and stores.
8493 (reload_insf): Broaden the output constraint.
8495 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8497 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8498 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8500 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8502 * final.c: Revert my previous changes.
8503 * output.h: Make profile_label_no extern.
8504 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8505 for generating label.
8507 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8509 * config/i386/djgpp.h: Add comments about standard paths.
8510 (MD_EXEC_PREFIX): Undefine before defining.
8511 (MD_STARTFILE_PREFIX): New.
8513 2001-01-30 Bruce Korb <bkorb@gnu.org>
8515 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8516 (load_file): do not rely on load_file_data() to close file pointer
8517 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8518 fixinc/inclhack.def(irix_limits_const): add test_text
8520 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8522 * cppexp.c (parse_defined): Improve diagnostics for invalid
8525 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8527 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8529 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8531 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8532 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8533 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8534 (rs6000_output_symbol_ref): New function.
8535 (output_toc): Use VTABLE_NAME_P.
8537 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8539 * print-tree.c (print_node, case PARM_DECL):
8540 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8542 * stor-layout.c (reference_types_internal): New variable.
8543 (internal_reference_types): New function.
8544 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8545 * tree.h (internal_reference_types): New declaration.
8547 * cse.c (find_best_addr): Fix typo in computing cost.
8549 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8551 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8552 and this is the sum of a pointer and a constant, we know the result
8554 (num_sign_bit_copies, case PLUS): Likewise.
8555 * explow.c (convert_memory_address): Remove opposite SUBREG.
8556 * function.c (instantiate_new_reg): New function (from common code).
8557 (instantiate_virtual_regs_1): Call it.
8558 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8559 if pointers sign- or zero-extend.
8560 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8561 If pointers extend unsigned, use inside of SUBREG.
8562 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8564 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8566 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8567 subdir of gcc_gxx_include_dir.
8568 (gcc_gxx_target_include_dir): Remove.
8570 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8572 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8573 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8574 a high-level description.
8576 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8578 * final.c: Move the declaration of profile_label_no to ...
8579 * output.h: ... here.
8580 * function.c (expand_function_start): Call PROFILE_HOOK.
8581 * config/rs6000/aix.h: Define PROFILE_HOOK.
8582 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8583 * config/rs6000/rs6000.c (output_profile_hook): Define.
8584 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8585 output_profile_hook.
8586 tm.texi : Explain new macro PROFILE_HOOK.
8588 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8590 * extend.texi (Extended Asm): Do not say that semicolon is always
8591 a valid line-breaking character for GNU assemblers. Use
8592 newline-tab as the most commonly supported syntax. Use
8593 newline-tab rather than semicolon in multi-insn examples.
8595 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8597 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8599 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8600 David Edelsohn <edelsohn@gnu.org>
8602 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8603 code for AIX, even without flag_pic.
8605 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8607 * c-typeck.c (common_type): push and pop binding level around
8608 calling common_type on function parameters.
8610 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8612 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8614 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8616 * config/mips/mips.c (override_options): Fix typo in last change.
8617 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8618 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8620 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8622 * invoke.texi (-fdump-class-layout): Document.
8623 (-fdump-translation-unit): Use `=' as filename separator.
8625 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8627 * Makefile.in (s-mlib): Don't build multilibs if
8629 (DRIVER_DEFINES): Adjust accordingly.
8631 (protoize.o): Likewise.
8632 (unprotoize.o): Likewise.
8633 * configure.in: Recognize --enable-multilib.
8635 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8637 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8639 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8640 * configure.in: Remove --enable-libstdcxx_v3 support.
8641 * configure: Regenerated.
8643 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8645 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8646 Call abort instead of fatal.
8647 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8648 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8649 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8650 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8651 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8652 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8654 * diagnostic.h (set_internal_error_function): Renamed.
8655 * toplev.h (internal_error): Renamed from fatal.
8656 (pfatal_with_name): Deleted.
8657 (fatal_io_error): Now has printf-style arguments.
8658 * diagnostic.c (pfatal_with_name): Deleted.
8659 (fatal_io_error): Rework to have args in printf-style.
8660 (set_internal_error_function): Renamed from set_fatal_function.
8661 (internal_error): Renamed from fatal.
8662 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8663 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8664 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8665 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8666 * flow.c (verify_flow_info): Likewise.
8667 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8668 * config/mips/mips.c (save_restore_insns): Likewise.
8670 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8671 * flow.c (verify_flow_info): Likewise.
8672 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8673 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8674 (avr_normalize_condition): Likewise.
8675 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8676 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8677 (limit_reload_class, double_reg_to_memory): Likewise.
8678 (print_operand_address, emit_1600_code_shift): Likewise.
8679 (gen_tst_reg, gen_compare_reg): Likewise.
8680 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8681 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8683 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8685 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8686 * objc/objc-act.c (build_ivar_chain): Likewise.
8687 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8689 * graph.c (clean_graph_dump_file): Likewise.
8690 * profile.c (init_branch_prob): Likewise.
8691 * objc/objc-act.c (objc_init): Likewise.
8693 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8694 * config/avr/avr.c (avr_override_options): Likewise.
8695 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8696 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8697 * config/h8300/h8300.c (h8300_init_once): Likewise.
8698 * config/mips/mips.c (override_options): Likewise.
8699 * config/i386/i386.c (override_options): Likewise, rework.
8700 * config/m68k/m68k.c (override_options): Likewise.
8702 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8704 * config/mips/mips.c (print_operand): Likewise.
8705 * hash.c (hash_allocate): Don't check for failure returns from
8706 obstack functions that can't fail.
8707 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8708 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8709 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8710 (get_object_reference): Likewise.
8712 2001-02-04 Nick Clifton <nickc@redhat.com>
8714 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8715 StrongARM1110, 10TDMI, and 1020T.
8717 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8719 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8721 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8723 * config/sh/sh.md (movdf load split): Pass register number to
8724 FP_OR_XD_REGISTER_P.
8726 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8728 * cppinit.c (BC): New macro.
8729 (builtin_array): Add __GXX_WEAK__.
8730 * cpplib.h (builtin_type): Add BT_WEAK.
8731 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8732 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8733 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8735 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8737 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8739 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8741 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8742 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8744 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8746 * cpphash.h: Rename ALIGN _ALIGN.
8747 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8749 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8751 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8752 compilation environment.
8753 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8754 control over location of cygwin includes and libs.
8756 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8758 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8760 2001-02-02 lars brinkhoff <lars@nocrew.org>
8762 * md.texi (Standard Names): remove reference to spur.md.
8764 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8766 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8767 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8768 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8769 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8770 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8772 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8774 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8775 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8776 number before reload.
8777 (c4x_adjust_cost): Return zero before reload.
8778 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8779 split before reload.
8781 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8783 * c4x.c (c4x_hard_regno_rename_ok): New.
8784 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8785 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8787 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8789 * diagnostic.h: Add missing "extern" in all declarations.
8791 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8793 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8794 as for gcc_gxx_include_dir.
8796 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8798 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8800 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8802 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8803 label before alignment to be used as the braf base address.
8804 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8806 (casesi_jump_2): Require at least TARGET_SH2.
8808 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8809 truncation to 32-bit doubles on -m3e and -m4-single-only.
8811 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8813 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8814 the default when building a shared object.
8815 (init_spec): Use it.
8816 * testsuite/lib/g++.exp: Include the directory where libgcc
8817 is located to the LD_LIBRARY_PATH list.
8818 * invoke.texi (-shared-libgcc): Document the cases in which
8819 GCC defaults to using the shared libgcc.
8821 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8823 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8824 unsigned is wide enough.
8826 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8827 (si_to_float): Likewise.
8828 (float_to_si, float_to_usi): Use BITS_PER_SI.
8830 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8832 * dwarf2out.c: Added explanation of abbreviations.
8833 (def_cfa_1): Added comments listing DWARF2 instructions.
8834 (cfa_temp_reg): Removed in favor of cfa_temp.
8835 (cfa_temp_value): Removed in favor of cfa_temp.
8836 (cfa_temp): New global variable.
8837 (dwarf2out_frame_debug_expr): Added extensive introductory
8838 comments explaining the function's transformations. Revised to
8839 use cfa_temp. Added some rtx checking. Generalize IOR case.
8840 (dwarf2out_frame_debug): Revised to use cfa_temp.
8841 (output_aranges): Cast as "unsigned" to avoid warning.
8842 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8843 explain which instructions must be marked.
8845 2001-02-01 Richard Henderson <rth@redhat.com>
8847 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8850 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8852 * config/sh/crt1.asm (main_k): Modified so that start calls
8853 ___setup_argv_and_call_main.
8855 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8857 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8858 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8859 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8860 * cppmacro.c (builtin_macro): Set builtin flags here.
8861 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8862 (replace_args): Clarify intent.
8863 (cpp_get_token): Macro expansion tokens get the saved flags.
8865 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8868 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8870 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8873 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8875 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8876 returns Pmode pseudo, but we need ptr_mode.
8877 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8878 Remove bogus conversions; use HOST_WIDE_INT for size.
8879 Don't use TARGET if wrong mode.
8881 * config/i386/i386.c (ix86_compute_frame_size): Allow
8882 stack_alignment_needed to be non-default even if size is zero.
8884 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8886 * pa.c (hppa_init_pic_save): New function.
8887 * pa.h (hppa_init_pic_save): Declare.
8888 * pa.md (call, call_value, sibcall, sibcall_value): Use
8889 the above instead of duplicated code.
8891 * pa.c (hppa_encode_label): Correct size of alloca buffer
8892 so we don't overrun it. Correct leading `*' case.
8893 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8894 need to handle `*@'.
8895 (FUNCTION_NAME_P): Likewise.
8897 2001-01-31 Richard Henderson <rth@redhat.com>
8899 * config.gcc (alpha-osf5): Use float-i128.h.
8901 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8902 * config/float-i32.h: Likewise.
8903 * config/float-i64.h: Likewise.
8904 * config/float-sh.h: Likewise.
8905 * config/float-sparc.h: Likewise.
8907 2001-01-31 DJ Delorie <dj@redhat.com>
8909 * expmed.c (extract_bit_field): allow non-integral modes if we
8910 want to extract a whole register from itself.
8912 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8914 * c-typeck.c (set_init_index): If first is equal to last, assume as
8915 if it was not a range at all.
8917 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8919 * config/fp-bit.c: Include tm.h.
8920 (float_to_si): Don't assume SImode is 32-bits wide.
8921 (float_to_usi): Likewise.
8923 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8925 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8927 (typename): Call pending_xref_error after parsing typed_typespecs.
8928 * c-decl.c (lookup_tag): Give error immediately rather than
8929 leaving it pending if the tag of the wrong type is in the same
8931 (xref_tag): Don't pedwarn for forward declarations of enum types
8933 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8936 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8938 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8940 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8942 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8943 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8945 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8947 * cpphash.h (struct cpp_reader): New saved_flags.
8948 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8949 to avoid a paste after a pasted token.
8951 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8953 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8954 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8955 Wtype_MIN instead of LONG_MIN.
8957 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8959 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8961 * fixinc/fixincl.x: Regenerated.
8962 * fixinc/inclhack.def (irix_limits_const): New definition to
8963 convert "const" to "__const" in limits.h.
8965 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8967 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8969 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8971 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8972 when register dies in the insn.
8974 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8976 * diagnostic.c (fatal): Fix word wrap.
8978 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8980 * combine.c (try_combine): Fix SUBREG setting for
8981 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8983 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8985 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8988 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8990 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8992 * toplev.c (decode_W_option): Update warn_larger_than
8993 unconditionally for each processed switch.
8995 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8997 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8999 (hppa_expand_prologue): Delete code to save pic offset table register
9000 in the function prologue.
9001 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9002 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9003 table register at the beginning of the function after the prologue.
9005 2001-01-29 lars brinkhoff <lars@nocrew.org>
9007 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9009 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9010 Jeff Law <law@redhat.com>
9012 * pa.md (return): Revise comment for trivial return.
9013 (return_internal): Non-trivial return pattern for non-PIC code.
9014 (return_internal_pic): Non-trivial return pattern for PIC code.
9015 It uses the PIC register to ensure it is restored after
9017 (epilogue): Generate appropriate return for PIC and non-PIC code.
9019 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9021 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9023 2001-01-29 DJ Delorie <dj@redhat.com>
9025 * combine.c (if_then_else_cond): Pass the correct mode to
9026 operand_subword() for constants.
9028 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9030 * config/i386/cygwin.h: Add w32api to include search. Search different
9031 directories in a cross-build environment.
9033 2001-11-29 Tim Josling <tej@melbpc.org.au>
9035 * tree.h (TYPE_STUB_DECL): Add documentation.
9037 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9039 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9040 (sdbout_field_types): Likwise. Fix use of host_integerp.
9042 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9044 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9047 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9049 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9050 to use flag_gnu_linker.
9052 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9054 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9055 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9057 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9059 * tree.c, tree.h (build_parse_node): Remove; was identical to
9061 * c-lang.c (start_cdtor), objc/objc-act.c
9062 (build_module_descriptor): Use build_nt instead of
9065 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9067 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9068 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9069 not have any upper bits set.
9071 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9073 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9075 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9077 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9079 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9081 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9082 (integer_minus_one_node): Define.
9084 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9086 * Makefile.in (bootstrap2-lean): Fix typo.
9088 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9090 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9091 : Don't set fe_value.
9092 * cpplib.h (AVOID_LPASTE): New flag.
9093 (struct cpp_hashnode): Remove fe_value.
9094 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9095 * cppmacro.c (builtin_macro): Don't set flags here.
9096 (replace_args): Set AVOID_LPASTE flag on first token of an
9097 argument, and the token following it.
9098 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9099 macro expansion, and on the token following it. Do it for
9101 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9103 2001-01-27 Richard Henderson <rth@redhat.com>
9105 * config/alpha/t-ieee: Remove multilibbing.
9106 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9108 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9110 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9112 * Makefile.in: Remove all dependencies on defaults.h.
9113 * builtins.c: Don't include defaults.h.
9114 * c-common.c: Likewise.
9115 * c-decl.c: Likewise.
9116 * c-pragma.c: Likewise.
9117 * c-typeck.c: Likewise.
9118 * combine.c: Likewise.
9120 * frame-ia64.c: Likewise.
9121 * cppexp.c: Likewise.
9122 * crtstuff.c: Likewise.
9123 * dbxout.c: Likewise.
9124 * dwarf2out.c: Likewise.
9125 * dwarfout.c: Likewise.
9126 * emit-rtl.c: Likewise.
9127 * except.c: Likewise.
9129 * final.c: Likewise.
9130 * frame-dwarf2.c: Likewise.
9131 * libgcc2.c: Likewise.
9132 * optabs.c: Likewise.
9133 * profile.c: Likewise.
9134 * sdbout.c: Likewise.
9135 * toplev.c: Likewise.
9136 * tradcif.y: Likewise.
9138 * varasm.c: Likewise.
9140 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9142 * builtins.c (expand_builtin_fputs): Use size_one_node when
9143 transforming into fwrite.
9145 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9147 * extend.texi (Attribute Syntax): New section.
9149 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9151 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9152 they didn't need fixing.
9154 2001-01-27 Janis Johnson <janis@us.ibm.com>
9156 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9158 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9159 to remove macro definitions that are duplicated from elfos.h.
9161 2001-01-27 Richard Henderson <rth@redhat.com>
9163 * config/i386/sco5gas.h: Move ...
9164 * config/usegas.h: ... here.
9165 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9167 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9169 * c-typeck.c (struct constructor_stack): Add range_stack member.
9170 (really_start_incremental_init): Clear it.
9171 (push_init_level): Save constructor_range_stack and clear it if
9172 pushing explicit braces.
9173 (pop_init_level): abort if constructor_range_stack is non-zero at
9174 explicit closing brace. Restore saved constructor_range_stack if
9177 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9179 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9180 into register was forced into memory.
9182 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9184 * Makefile.in: Remove uses of + before $(MAKE).
9186 2001-01-26 Richard Henderson <rth@redhat.com>
9188 * stmt.c (cost_table): Remove.
9189 (COST_TABLE, cost_table_initialized): New.
9190 (estimate_case_costs): Use the later instead of the former.
9191 (balance_case_nodes): Likewise.
9193 2001-01-26 Richard Henderson <rth@redhat.com>
9195 * alias.c (objects_must_conflict_p): Read-only slots may not
9196 conflict despite having the same type.
9198 2001-01-27 Michael Hayes <mhayes@redhat.com>
9200 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9202 (check_ext_dependant_givs): Initialise u_start_val and
9204 (load_mems): Make last_max_reg unsigned.
9205 (try_swap_copy_prop): Use INSN_P and initialise set.
9207 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9209 * README.AVR : Removed.
9211 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9213 * pa-64.h (text_section): Remove declaration.
9215 * pa.md (return_internal): Remove mode on PIC register use.
9217 2001-01-25 lars brinkhoff <lars@nocrew.org>
9219 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9220 ASM_CLOSE_PAREN): fix typos.
9222 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9224 * acconfig.h: Define `const' to the empty string if neither
9225 __STDC__ nor __cplusplus is defined.
9226 * config.in: Regenerated.
9228 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9230 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9231 * collect2.c (main): Delete importf. Add ".obj" file extension.
9232 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9233 (aix_std_libs): Add additional AIX libraries to skip.
9234 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9235 * config/rs6000/aix51.h: New file.
9237 2001-01-25 Michael Hayes <mhayes@redhat.com>
9239 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9240 (loop_insn_emit_before): No longer static.
9241 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9242 (loop_givs_rescan, load_mems): Likewise.
9243 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9244 (maybe_eliminate_biv_1):
9245 (move_movables): Replace emit_call_insn_before with
9246 loop_call_insn_hoist.
9247 * loop.h (loop_insn_emit_before): Add.
9248 * unroll.c (copy_loop_body): Replace emit_insn_before with
9249 loop_insn_emit_before.
9251 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9253 * diagnostic.c (fatal): Request preprocessed source.
9255 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9257 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9258 olddecl has argument types and newdecl has none, use the argument
9261 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9263 * dwarf2out.c (prefix_of): New function. Determine longest common
9264 prefix of the two arguments. The units are whole path components.
9265 (output_file_names): When adding a new directory find the one entry
9266 with the longest common prefix already in the list. Artificially
9267 generate entry if there is none for this prefix.
9268 Fix test to check whether the zeroth directory entry is used.
9270 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9272 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9273 Changed all callers. Take it into account when deciding if a
9274 previously loaded value matches.
9276 2001-01-24 Richard Henderson <rth@redhat.com>
9278 * reload.c (find_reloads_subreg_address): Fail the substitution
9279 if the resulting address is insufficiently aligned.
9281 2001-01-24 DJ Delorie <dj@redhat.com>
9283 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9284 check the original operand's mode also.
9285 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9287 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9289 * c-parse.in (cast_expr): Move compound literals from here ...
9290 (primary): ... to here. Use standard terminology "compound
9291 literal" instead of "constructor expression".
9293 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9295 * gcc.1, cpp.1: Regenerate.
9297 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9299 * calls.c (emit_library_call_value_1): Memory slot for
9300 pass-by-reference argument should have the mode of the argument,
9301 not of the pointer to it.
9303 2001-01-24 Tom Tromey <tromey@redhat.com>
9305 * gcc.texi (G++ and GCC): Mention gcj manual.
9306 (Standards): Link to section of manual mentioning gcj/Java
9309 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9311 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9312 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9313 * tradcpp.c (main): Add -imacros or -include'd dependencies
9315 * cpp.texi (-M, -MM): Document -M -include behaviour.
9317 2001-01-24 Roger Collins <roger@ProProject.com>
9319 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9321 2001-01-24 Will Cohen <wcohen@redhat.com>
9323 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9324 whether registers are 32 bits or 64 bits in size.
9326 2001-01-24 Ben Elliston <bje@redhat.com>
9328 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9330 2001-01-24 Richard Henderson <rth@redhat.com>
9332 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9333 (builtin_longjmp): Use it instead of emit_indirect_jump.
9335 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9337 * bb-reorder.c (make_reorder_chain_1): Handle case where
9338 jump edge goes to the same block as the fallthru edge.
9340 2001-01-23 Jim Wilson <wilson@redhat.com>
9342 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9343 * frame.h (__ia64_personality_v1): Add prototype.
9344 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9345 prototype form. Add void * cast to first argument to personality
9347 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9348 (asctoe113): Likewise.
9349 * config/ia64/frame-ia64.c: Include eh-common.h.
9350 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9352 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9354 (itanium_split_issue): Add prototype.
9355 (gen_nop_type): Ifdef out.
9356 (find_best_packet): Initialize best_packet.
9357 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9359 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9360 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9361 (flushrs): Add explicit stop bit at end.
9362 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9365 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9367 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9369 * libgcc2.c (__terminate_func): Make variable static.
9370 (__terminate_set_func): New function to set __terminate_func.
9371 * libgcc2.h (__terminate_func_ptr): New typedef.
9372 (__terminate_set_func): New function.
9374 2001-01-23 Richard Henderson <rth@redhat.com>
9376 * flow.c (init_propagate_block_info): Don't consider unchanging
9377 memories for dead frame store elimination.
9379 2001-01-23 Richard Henderson <rth@redhat.com>
9381 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9382 * defaults.h: ... here.
9384 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9386 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9388 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9390 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9392 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9394 * rs6000.h (rs6000_return_addr): Move prototype from here...
9395 * rs6000-protos.h (rs6000_return_addr): ...to here.
9396 (rs6000_init_expanders): Delete prototype.
9398 2001-01-23 Nick Clifton <nickc@redhat.com>
9400 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9401 (Spec Files): Document %B and %j and %. and %v3 and %M and
9402 %{S*&T} spec switches.
9404 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9406 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9408 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9409 Neil Booth <neil@daikokuya.demon.co.uk>
9411 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9412 Have -Werror make pedantic warnings errors, like the
9415 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9417 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9419 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9421 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9422 * integrate.c (expand_inline_function): Initialize them.
9423 (subst_constants): If changing COMPARE so that both its arguments
9424 will be VOIDmode and the comparison mode will be lost, note
9425 compare_mode. Use the recorded compare_mode to optimize
9428 2001-01-23 Jason Merrill <jason@redhat.com>
9430 * dwarf2out.c (new_die): Use xcalloc.
9431 (output_die): Abort rather than emit a local reference to offset 0.
9433 2001-01-17 Andrew Haley <aph@redhat.com>
9435 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9436 of a saved register; return NULL instead.
9437 (copy_reg): Take a pointer to a source register rather than a
9439 (next_stack_level): Remember the address in the stack frame of all
9441 Use the saved register pointer array as the source of the CFA.
9442 (throw_helper): Rewrite. Unwind once rather than twice and keep
9443 track of saved registers as we go.
9445 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9447 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9448 * c4x.c (c4x_legitimize_reload_address): Remove.
9449 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9450 reload address for ldp(k) insn.
9452 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9454 * pa.md (return_internal): Add a USE of the PIC register to ensure
9455 it is restored after each call.
9456 (return expander): Corresponding changes.
9458 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9460 * rs6000.h (INIT_EXPANDERS): Delete.
9461 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9462 * rs6000.c (rs6000_override_options): Call *_machine_status from
9464 (rs6000_init_expanders): ...instead of here. Delete.
9465 (rs6000_mark_machine_status): New function.
9466 (rs6000_init_machine_status): Use xcalloc.
9467 (rs6000_return_addr): Generate RTX for the return address.
9468 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9469 (rs6000_stack_info): Use it.
9471 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9473 * gthr-win32.h: Include errno.h to get a declaration for
9474 EINVAL and _mingw.h if the target is mingw32.
9476 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9478 * cpp.texi: Correct typos.
9480 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9482 * explow.c (probe_stack_range): Ensure value passed to
9483 stack_check_libfunc is ptr_mode, not Pmode.
9485 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9487 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9488 case, don't use operand_subword to calculate a SUBREG that is
9491 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9493 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9495 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9496 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9497 valid. If not replace it by equivalent insns.
9499 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9501 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9502 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9503 (c4x_U_constraint, symbolic_address_operand): Likewise.
9504 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9506 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9507 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9508 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9509 anulling slot because of silicon bug.
9510 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9512 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9514 * cppexp.c (parse_charconst): Change `mask' type to agree
9517 2001-01-21 Richard Henderson <rth@redhat.com>
9519 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9520 pic_label_name in a linkonce section.
9522 2001-01-17 Philipp Thomas <pthomas@suse.de>
9524 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9526 * configure: Regenerate.
9528 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9530 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9531 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9533 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9535 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9536 If REVERSE nonzero then condition code in X must be reversed.
9537 (encode_section_info): Optimise if/else.
9538 (avr_function_value): Fix formatting.
9540 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9541 (difficult_branch): Likewise.
9542 (rvbranch): Likewise.
9543 (difficult_rvbranch): Likewise.
9545 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9547 * config/avr/libgcc.S: Fix comment.
9549 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9551 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9553 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9555 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9557 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9559 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9560 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9561 * configure, config.in: Regenerate.
9562 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9563 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9564 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9565 (doprint.o): New rule.
9567 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9569 * c-typeck.c (digest_init): Handle boolean types as scalars.
9571 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9573 * stmt.c (expand_return): Don't return anything if size is zero.
9574 Delete redundant assignment to BYTES.
9575 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9577 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9579 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9580 the same as the default library function names.
9581 * config/avr/avr.md: Document special characters after '%'.
9582 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9583 knowing which of the call-used registers are really clobbered.
9584 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9585 New. Both quotient and remainder from one libgcc.S call.
9586 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9587 clobber as few registers as possible.
9588 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9590 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9592 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9593 context of the top of the stack.
9595 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9597 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9598 (fixup_var_refs_insns): ...here.
9600 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9602 * function.c (fixup_var_refs_insns): Break up into
9603 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9604 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9605 [loop over hash table entries].
9606 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9607 fixup_var_refs_insns_with_hash, to match above changes.
9609 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9611 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9612 (libgcc.a): Likewise.
9613 (stmp-multilib): Likewise.
9614 (STAGE2_FLAGS_TO_PASS): Likewise.
9616 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9618 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9619 temporary if no_new_pseudos.
9621 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9623 * cppinternals.texi: Update.
9625 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9627 * arm.c (arm_init_builtins): Re-enable builtins.
9629 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9631 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9632 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9633 element to be null, and always expect an EXPR_LIST.
9634 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9635 * sched-deps.c (sched_analyze_1): Likewise.
9636 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9638 * regclass.c (max_set_parallel): New variable.
9639 (reg_scan): Take it into account in computation of max_parallel.
9640 (reg_scan_mark_refs, case SET): Compute it.
9642 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9644 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9645 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9647 2001-01-19 Jason Merrill <jason@redhat.com>
9649 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9650 for the abstract instance of an inline function.
9652 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9653 J"orn Rennecke <amylaar@redhat.com>
9655 * reload1.c (move2add_note_store): Treat all registers directly or
9656 indirectly derived from a base register as members of the same set
9658 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9659 of base register into account.
9661 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9663 * alias.c (find_base_value): Recognize TRUNCATE.
9664 (record_set): In PLUS case, invalidate if other summand is also a
9667 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9669 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9670 entry to be EXPR_LIST.
9671 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9672 be an EXPR_LIST (but not null, which other code doesn't allow).
9673 (note_stores): Properly handle PARALLEL in SET.
9674 Recursively call for top-level PARALLEL.
9675 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9676 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9678 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9680 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9682 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9683 not pfile->skipping (== 0).
9685 2001-01-17 Nick Clifton <nickc@redhat.com>
9687 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9690 2001-01-17 Jim Wilson <wilson@redhat.com>
9692 * invoke.texi (IA-64 options): Improve.
9694 2001-01-17 Tom Tromey <tromey@redhat.com>
9696 * invoke.texi (Optimize Options): Use `{}' to around @samp
9699 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9701 * invoke.texi (-fno-guess-branch-probability): New option.
9703 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9705 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9706 case of making new double-word constant.
9707 Revert last change: instead just test i3_subst_into_i2.
9709 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9711 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9712 Use q constraints instead of r.
9714 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9716 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9717 (machine_function): Define.
9718 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9719 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9720 pa_free_machine_status): New functions.
9721 (override_options): Set {init,mark,free}_machine_status to above.
9722 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9723 PIC_OFFSET_TABLE_REGNUM_SAVED.
9724 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9725 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9726 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9727 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9728 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9730 2001-01-15 DJ Delorie <dj@redhat.com>
9732 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9736 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9738 * flow.c (propagate_one_insn): Make trying to delete a prologue
9739 or epilogue insn an ICE, not a warning. Allow doing this if
9740 the current function returns with stack pointer depressed.
9742 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9743 I3 having more than one SET.
9745 2001-01-16 Jim Wilson <wilson@redhat.com>
9747 * invoke.texi: Document IA-64 options.
9749 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9750 (fixup_errata): Delete TARGET_A_STEP use.
9751 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9752 (TARGET_SWITCHES): Delete -ma-step option.
9753 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9754 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9755 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9756 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9757 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9758 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9760 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9761 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9762 cmovsi_internal): Delete ! TARGET_A_STEP check.
9764 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9766 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9767 possibility to report bugs via postal mail. Change a URL and
9768 merge in a nearly duplicate statement...
9769 (Bug Reporting): ...from here.
9770 (Service): Refer to the Bug Reporting section instead of
9772 (Contributing): Remove trivial explanations concerning snapshots.
9774 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9776 * cppmain.c (general_init): Don't use ANSI prototype.
9778 2001-01-16 Tom Tromey <tromey@redhat.com>
9780 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9782 2001-01-16 Richard Henderson <rth@redhat.com>
9784 * config/i386/i386.h: Fix comment typo.
9785 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9786 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9788 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9790 * gcc.c: Revert previous -fsyntax-only-related change; move
9793 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9795 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9796 inmode after checking GET_CODE (op).
9798 2001-01-16 Richard Henderson <rth@redhat.com>
9800 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9801 (MAX_MEM_SET_LIST_LEN): New.
9802 (propagate_one_insn): Update mem_set_list_len.
9803 (invalidate_mems_from_autoinc): Likewise.
9804 (invalidate_mems_from_set): Likewise.
9805 (mark_used_regs): Likewise.
9806 (init_propagate_block_info): Likewise. Stop collecting memories
9807 when we reach MAX_MEM_SET_LIST_LEN.
9808 (mark_set_1): Likewise.
9810 2001-01-16 Richard Henderson <rth@redhat.com>
9812 * unroll.c (precondition_loop_p): Fail if no iteration
9815 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9817 * gcc.c: When -fsyntax-only is given, do not complain about
9820 2001-01-15 Richard Henderson <rth@redhat.com>
9822 * config/i386/i386.c (asm_output_function_prefix): Remove.
9823 (ix86_asm_file_end): New.
9824 (load_pic_register): Generate pic_label_name into a
9825 staticly allocated buffer.
9826 * config/i386/i386-protos.h: Update.
9827 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9828 (ASM_FILE_END): New.
9829 * config/i386/i386afe.h: New file.
9830 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9831 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9832 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9833 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9834 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9835 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9836 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9838 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9840 * Makefile.in (install-man): Remove explicit dependency on
9843 * configure.in, configure: Revert previous patch requiring perl
9846 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9848 * toplev.c (flag_guess_branch_prob): New.
9849 (f_options): Add guess-branch-probability option.
9850 (rest_of_decl_compilation): Only estimate branch probability if
9852 (main): set flag_guess_branch_prob.
9854 * flags.h (flag_guess_branch_prob): New.
9856 2001-01-15 DJ Delorie <dj@redhat.com>
9858 * gcc.texi (Makefile): Add documentation for Makefile targets.
9860 2001-01-15 Philip Blundell <philb@gnu.org>
9862 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9864 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9865 (is_pic): Delete declaration.
9866 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9867 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9868 * config/arm/arm.md (builtin_setjmp_receiver): New.
9870 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9872 * arm.c (use_return_insn): Don't try to determine the function type
9873 until after reload has completed.
9874 (arm_output_epilogue): Don't adjust the sp value recovered from the
9876 (emit_multi_reg_push): Don't record dwarf information for the pc.
9877 * arm.md (eh_epilogue): The function type may have changed, so it
9878 needs to be recalculated.
9879 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9880 unwind tables on arm/netbsd.
9882 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9884 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9885 (negated_cbranchsi4): Likewise.
9887 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9889 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9890 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9891 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9892 pass -mapcs-* options to assembler.
9893 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9894 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9895 (ASM_SPEC): Call subtarget_extra_asm_spec.
9897 2001-01-15 Andreas Jaeger <aj@suse.de>
9899 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9901 (ix86_expand_builtin): Likewise.
9903 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9904 warning about comparison between signed and unsigned.
9906 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9908 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9910 2001-01-14 Ralf Baechle <ralf@gnu.org>
9912 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9913 SUBTARGET_CPP_SPEC apropriatly.
9915 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9917 * varasm.c (make_decl_rtl): Fix typo in last change.
9919 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9921 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9922 linker supports the init_priority C++ attribute.
9923 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9924 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9925 linker does not support init_priority C++ attribute.
9927 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9929 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9931 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9933 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9934 * cp/lex.c (finish_parse): Similarly.
9935 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9936 Return the number of errors encountered.
9937 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9938 * cppmain.c (main): Don't call cpp_destroy.
9940 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9942 * configure.in: Require at least perl 5.6.0 to regenerate
9944 * configure: Regenerate.
9946 2001-01-14 Richard Henderson <rth@redhat.com>
9948 * genrecog.c (DT_veclen_ge): New.
9949 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9950 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9951 (nodes_identical_1): Handle DT_veclen_ge.
9952 (write_cond, debug_decision_2): Likewise.
9954 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9956 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9958 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9960 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9962 * cppmain.c (do_preprocessing): New function; most of the old
9964 (main): Call it to do most of the work.
9965 (cb): Move from global scope to set_callbacks ().
9966 (setup_callbacks): Get the callback pointer.
9967 (general_init, printer_init): Clean up code and comments.
9969 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9971 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9974 2001-01-14 Kazu Hirata <kazu@hxi.com>
9976 * config/h8300/h8300.c (get_shift_alg): Update comments.
9978 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9980 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9981 (alloc_page, ggc_alloc): Add casts to remove warnings.
9983 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9985 * combine.c (simplify_comparison): Don't change `code' when
9986 can't reverse comparison.
9988 2001-01-14 Richard Henderson <rth@redhat.com>
9990 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9991 update all call sites. Return true for all non-label constants.
9993 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9995 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9997 (ix86_expand_branch): Update.
9998 (ix86_expand_setcc): Update to handle multiple test conditions.
9999 (expand_int_movcc): Likewise.
10000 (expand_fp_movcc): Likewise.
10001 * i386-protos.h (ix86_expand_compare): New.
10002 * i386.md (andqi_?_slp, orqi_?_slp): New.
10003 (conditional trap expander): Update call to ix86_expand_compare.
10005 2001-01-14 Richard Henderson <rth@redhat.com>
10007 * config/vax/vax.md: Use nonimmediate_operand instead of
10008 general_operand in destinations.
10010 * config/vax/vax.md (indirect_jump): Use register_operand.
10012 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10013 * config/vax/vax.md (call_pop): Turn into an expander.
10014 (call_value_pop): Likewise.
10015 (call, call_value): New.
10017 2001-01-14 Andreas Jaeger <aj@suse.de>
10019 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10021 (ix86_fp_compare_mode): Add unused attribute.
10022 (ix86_expand_fp_movcc): Remove unused variable.
10023 (ix86_expand_builtin): Make fcode unsigned.
10025 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10026 (expand_expr): Add cast to avoid signed warning.
10027 (store_field): Likewise.
10028 (store_constructor_field): Likewise.
10029 (store_constructor): Likewise.
10030 (store_expr): Likewise.
10031 (clear_storage): Likewise.
10032 (emit_group_store): Likewise.
10033 (emit_group_load): Likewise.
10035 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10037 * c-common.c: Move format checking code to ...
10038 * c-format.c: ... here. New file. Reorder some functions and
10040 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10042 * c-common.h (decl_handle_format_attribute,
10043 decl_handle_format_arg_attribute): Declare.
10044 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10045 (c-common.o): Adjust dependencies.
10046 (c-format.o): New list of dependencies.
10048 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10050 * unroll.c (loop_iterations): If we cannot prove iteration variable
10051 is set once in each iteration, punt.
10053 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10055 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10056 (*strlenhi): Remove clobber (which was buggy) of output address.
10058 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10060 * Makefile.in (generated-manpages): Add gcc.1
10061 ($(srcdir)/gcc.1): New target.
10062 (maintainer-clean): Delete $(srcdir)/gcc.1.
10063 * gcc.texi: Add macros @gccoptlist and @gol.
10064 * invoke.texi: Include option summary in manpage. Mark up option
10065 summary with @gccoptlist and @gol. Use @r in one place where
10067 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10068 * gcc.1: Generate from invoke.texi.
10070 2001-01-13 Richard Henderson <rth@redhat.com>
10072 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10073 (struct page_entry): Add group member.
10074 (struct page_group): New.
10075 (struct globals): Add page_groups member.
10076 (alloc_anon): Only define for using mmap; remove valloc call.
10077 (page_group_index): New.
10078 (set_page_group_in_use): New.
10079 (clear_page_group_in_use): New.
10080 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10081 (free_page, release_pages): Likewise.
10082 * configure.in (with-gc): Default to ggc-page always.
10084 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10086 * reload1.c (replace_pseudos_in_call_usage): Use
10087 reg_equiv_constant and reg_equiv_address, and don't try
10088 regno_reg_rtx first.
10090 2001-01-13 Richard Henderson <rth@redhat.com>
10092 * ggc-page.c (alloc_page): Round up allocation size to one page.
10093 Set e->order on extra pages.
10095 2001-01-13 Richard Henderson <rth@redhat.com>
10097 * genrecog.c (nodes_identical): Expand commentary.
10098 (write_switch): Watch out for identical nodes.
10100 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10102 * cppfiles.c (_cpp_fake_include): New function.
10103 * cpphash.h (_cpp_fake_include): New.
10104 * cpplib.c (do_line): Call _cpp_fake_include when entering
10105 header files in preprocessed input.
10106 * cppmain.c (cb_pragma_implementation): Remove handling.
10107 (setup_callbacks): Don't register pragmas.
10109 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10111 * extend.texi: Udate for CPP.
10113 2001-01-13 Andreas Jaeger <aj@suse.de>
10115 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10117 * regmove.c: Add prototype for replace_in_call_usage.
10119 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10121 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10122 struct cpp_chunk, struct htab, struct toklist,
10123 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10124 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10125 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10126 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10127 (struct macro_args): Delete.
10128 * cpphash.h: See above.
10130 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10132 * cppmain.c (struct printer): Remove no_line_dirs.
10133 (options, cb): New.
10134 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10135 : Use options rather than CPP_OPTION.
10136 (setup_callbacks): Use cb rather than pfile->cb.
10137 (main): No need to check for a buffer. Use cpp_errors.
10138 (printer_init): Don't set no_line_dirs.
10139 (maybe_print_line): Use options not no_line_dirs.
10140 (cb_file_change): Don't call print_line if -P.
10142 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10144 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10146 * c-parse.in (finish_parse): Use cpp_errors.
10147 (__yylex): Use return value of cpp_pop_buffer.
10148 * cp/lex.c (finish_parse): Use cpp_errors.
10149 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10151 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10153 * README.AVR: URLs corrected.
10155 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10157 * c-decl.c (start_function): Don't warn if old prototype is builtin
10158 that's not in C's namespace.
10159 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10160 (_bb): Add prototype for ctime.
10161 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10163 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10165 * i386.c (ix86_fp_comparison_arithmetics_cost,
10166 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10167 ix86_fp_comparison_cost): New functions.
10168 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10169 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10170 two-branch sequences; make static.
10171 (ix86_use_fcomi_compare): Do decision according to the costs.
10172 (split_fp_branch): New.
10173 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10174 * i386-protos.h (ix86_expand_fp_compare): Remove
10175 (ix86_split_fp_branch): Declare.
10177 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10178 and ix86_comparison_operator.
10180 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10181 to make it cheaper.
10183 * i386.c (put_condition_code): Output properly the unordered/ordered
10184 compares in fp case.
10185 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10187 * tm.texi (REVERSE_CONDITION): Document.
10188 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10189 in -ffast-math mode.
10190 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10192 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10194 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10196 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10199 * config/sh/sh.c (mova_p): Fix test for mova_const.
10201 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10203 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10204 cpp_get_options rather than dereferencing pfile and using
10206 * scan-decls.c (scan_decls): Use return value of
10207 cpp_pop_buffer rather than CPP_BUFFER.
10209 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10211 * cppinit.c (cpp_handle_option): help_only is now part of the
10212 cpp_options structure.
10213 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10214 cpp_set_callbacks): New functions.
10215 * cpplib.h (cpp_callbacks): Break out as a named structure.
10216 (cpp_options): Move help_only here from cpp_reader.
10217 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10218 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10219 cpp_set_callbacks): New prototypes.
10220 * cppmain.c (main): Update for help_only.
10222 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10224 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10225 Also build and remove and install and uninstall c-tree.info and
10227 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10228 ($(srcdir)/cppinternals.info): New target.
10229 * c-tree.texi: Change file name used when makeinfo used without -o
10230 from ir.info to c-tree.info. Add info directory entry.
10231 * cppinternals.texi: Add info directory entry.
10232 * .cvsignore: Update.
10234 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10236 * c-typeck.c (store_init_value): Don't require constant initializer
10237 elements with -pedantic -std=c99.
10238 (digest_init): Change error about non-constant initializer elements
10240 (constructor_range_end): Remove.
10241 (constructor_incremental, designator_depth,
10242 designator_errorneous): New variables.
10243 (struct constructor_stack): Remove range_end, add incremental.
10244 (struct constructor_range_stack, constructor_range_stack): New.
10245 (struct initializer_stack): Add constructor_range_stack.
10246 (finish_init): Set it.
10247 (start_init): Likewise. require_constant_elements for non-static
10248 trees only if not flag_isoc99.
10249 (really_start_incremental_init): Remove constructor_range_end, add
10250 constructor_incremental.
10251 (pop_init_level): Likewise.
10252 (push_init_level): Likewise. If implicit and the subobject had some
10253 value set already, preinitialize the level with it.
10254 Warn about missing braces only if not pushing due to designators.
10255 (set_designator, push_range_stack): New functions.
10256 (set_init_label): Use them.
10257 (set_init_index): Likewise. Remove constructor_range_end.
10258 Error if designator index is outside of array bounds.
10259 (add_pending_init): Compare values of purpose index trees, not the
10260 trees themselves. Allow overwriting of already initialized element.
10261 Issue a warning if it had side-effects.
10262 (set_nonincremental_init, set_nonincremental_init_from_string): New
10264 (pending_init_member): Rename to...
10265 (find_init_member): ...this function. Call set_nonincremental_init
10266 if necessary. Compare values of purpose index trees, not the trees
10267 themselves. Return the actual value, not just non-zero if something
10269 (output_init_element): Remove checks for duplicates.
10270 If field has zero size, only check the initializer for correctness.
10271 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10272 if constructor_incremental is zero. Change error about initializers
10273 not computable at load time into pedwarn.
10274 (output_pending_init_elements): Compare bit positions, not
10275 FIELD_DECLs to take into account zero-sized fields.
10276 (process_init_element): Use constructor_range_stack to fill all
10277 ranges in the designator lists from current level up.
10278 * extend.texi: Update documentation for labeled elements.
10280 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10282 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10283 to function usage for arguments passed by reference. Optimize
10284 callee-copied arguments.
10285 * regmove.c (replace_in_call_usage): New function.
10286 (fixup_match_1): Call it.
10287 * cse.c (cse_insn): Canonicalize registers in function usage.
10288 * reload1.c (replace_pseudos_in_call_usage): New function.
10291 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10294 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10296 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10299 2001-01-12 DJ Delorie <dj@redhat.com>
10301 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10302 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10305 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10307 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10308 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10309 -std options alongside references to -ansi. Update some
10310 documentation for C99.
10311 * cpp.1: Regenerate.
10313 2001-01-12 Andreas Jaeger <aj@suse.de>
10315 * haifa-sched.c (restore_line_notes): Remove argument block B
10317 * sched-ebb.c (schedule_ebb): Change caller.
10318 * sched-rgn.c (schedule_region): Likewise.
10319 * sched-int.h (restore_line_notes): Adjust prototype.
10321 * loop.h: Remove wrong declaration of doloop_condition_get.
10323 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10325 * extend.texi: Move C++-extension-related node from the C section
10326 into the C++ section.
10328 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10330 * extend.texi: Refer to an array of pointers to functions instead
10331 of one of functions.
10333 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10334 Jan Hubicka <jh@suse.cz>
10336 * combine.c (reversed_comparison): Fix typo in last patch.
10338 (combine_reversed_comparison_code): Make static to follow
10339 prototype declaration.
10341 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10343 * install.texi: Remove misplaced duplicate entry.
10345 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10347 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10349 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10351 * final.c: (leaf_function_p): Fix typo.
10353 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10355 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10356 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10358 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10359 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10360 mmap_anon, and valloc is available.
10361 * ggc-page.c: Restructure ifdef logic to match new autoconf
10362 spec. Don't throw away the test page in init_ggc.
10364 * configure, config.in: Regenerate.
10366 2001-01-12 Michael Hayes <mhayes@redhat.com>
10368 * loop.h (total_biv_increment): Constify iv_class pointer.
10369 (struct induction): Replace `mem_mode' with `mem' rtx.
10370 * unroll.c (total_biv_increment): Constify iv_class pointer.
10371 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10372 (find_mem_givs, combine_givs_p): Likewise.
10373 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10375 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10377 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10379 (__gthread_getspecific): Ditto.
10381 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10383 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10384 put_condition_code): Convert fp comparison codes to integer
10386 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10389 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10390 * i386-protos.h (no_comparison_operator): Kill.
10392 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10394 * combine.c (REVERSIBLE_CC_MODE): Remove.
10395 (reversible_comparison_p): Remove.
10396 (combine_reversed_comparison_code): New.
10397 (reversed_comparison): New.
10398 (combine_simplify_rtx): Use
10399 combine_reversed_comparison_code/reversed_comparison instead
10400 of reversible_comparison_p.
10401 (simplify_if_then_else): Likewise.
10402 (simplify_set): Likewise.
10403 (simplify_logical): Likewise.
10404 (if_then_else_cond): Likewise.
10405 (known_cond): Likewise.
10406 (simplify_comparison): Likewise.
10408 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10410 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10411 sizeof (int) is larger than sizeof(__word__).
10413 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10415 * cppinit.c (do_includes): Fix typo.
10417 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10419 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10420 in S_REGS does not occur because not all sources are possible
10421 when a S_REGS is a destination (sometimes needs a clobber).
10422 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10423 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10424 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10425 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10426 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10427 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10428 (lshrdi_const1, lshrsi3_const16): Likewise.
10429 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10430 (*movhi_68hc12, *movqi_68hc12): Likewise.
10431 (movstrictqi): Make sure reloading in D_REGS as a destination
10434 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10436 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10438 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10440 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10441 -D, -U and -A, and don't initialize the builtins.
10442 (do_includes): Error if -include or -imacros with -fpreprocessed.
10443 * cppmain.c (cb_define, cb_undef): Unconditionally process
10445 * tradcpp.c (main): Fix typo.
10447 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10449 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10450 (read_name_map): Use IS_ABSOLUTE_PATH.
10451 * tradcpp.c (get_filename): Likewise.
10453 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10455 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10456 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10457 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10458 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10459 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10460 (cmphi_z_used): Don't use '@' for the output.
10461 (tstqi_z_used): Likewise.
10462 (cmpqi_z_used): Likewise.
10463 (one_cmplsi2): Likewise.
10465 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10467 * config/sh/sh.c (barrier_align): Recognize branch around far
10468 branch and redundant insn.
10470 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10472 * invoke.texi: Restore documentation of the drivers' switches -MD
10475 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10477 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10479 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10480 check-objc//%): Support parallel testing of multilibs.
10481 (TESTSUITEDIR): Set to testsuite by default, but override for
10483 (check-gcc, check-g++, check-g77, check-objc): Enter
10486 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10488 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10489 * sched-deps.c (deps_may_trap_p): Likewise.
10490 * basic-block.h: Remove a comment.
10491 * flow.c (PROP_POSTRELOAD): Remove.
10492 (update_life_info): Don't add it to prop_flags.
10493 (mark_set_1): Lose the code that was enabled by it.
10495 2001-01-11 Michael Hayes <mhayes@redhat.com>
10497 * flow.c (flow_call_edges_add): New.
10498 * basic_block.h (flow_call_edges_add): New.
10500 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10502 * reload1.c (move2add_note_store): Update reg_set_luid even if
10503 base reg remains the same.
10505 2001-01-10 Nick Clifton <nickc@redhat.com>
10507 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10508 machine_function structure to zero.
10509 Add prototypes for machine_status functions.
10511 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10513 * c-common.h (CTI_VOID_LIST): Remove.
10514 (void_list_node): Likewise.
10515 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10516 (void_list_node): New macro.
10517 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10518 * config/i386/i386.c (ix86_init_builtins): Likewise.
10519 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10521 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10523 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10524 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10526 * tradcpp.c: Include mkdeps.h.
10527 (deps, print_deps_phony_targets, deps_append, output_deps,
10528 init_dependency_output, output_deps): New.
10529 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10530 deps_output): Delete.
10531 (print_deps_missing_files): Rename deps_missing_files.
10532 (inhibit_output): Make global.
10533 (main): Delete inhibit_output, deps_stream, deps_target.
10534 Use mkdeps functionality in the same way as cpplib. Remove
10535 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10536 -M and -MM. Remove old handling of deps via deps_out, and
10537 old reading of environment variables.
10538 (get_filename): Update to use deps_add_dep.
10540 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10542 * output.h (make_function_rtl): Remove prototype.
10543 (make_decl_rtl): Likewise.
10544 * varasm.c (make_function_rtl): Remove.
10545 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10546 than from a third parameter.
10547 * tree.h (make_decl_rtl): Remove last parameter.
10548 * c-decl.c (builtin_function): Remove last argument in call to
10549 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10550 (start_function): Likewise.
10551 * except.c (call_get_eh_context): Likewise.
10552 * expr.c (emit_block_move): Likewise.
10553 (clear_storage): Likewise.
10554 * profile.c (output_func_start_profiler): Likewise.
10555 * toplev.c (rest_of_decl_compilation): Likewise.
10556 * objc/objc-act.c (create_builtin_decl): Likewise.
10557 (synth_module_prologue): Likewise.
10558 (generate_static_reference): Likewise.
10559 (build_selector_reference_decl): Likewise.
10560 (build_class_reference_decl): Likewise.
10561 (build_objc_string_decl): Likewise.
10562 (build_protocol_reference): Likewise.
10564 2001-01-10 Richard Henderson <rth@redhat.com>
10566 * hwint.h: Revert yesterday's change.
10568 2001-01-10 Nick Clifton <nickc@redhat.com>
10570 * function.h (save_machine_status): Delete.
10571 (restore_machine_status): Delete.
10572 Amend comment describing {init|mark|free}_machine_status.
10574 * function.c (save_machine_status): Delete.
10575 (restore_machine_status): Delete.
10576 Amend comment describing {init|mark|free}_machine_status.
10577 (push_function_context_to): Remove invocation of
10578 save_machine_status.
10579 (pop_function_context_from): Remove invocation of
10580 restore_machine_status.
10582 * emit-rtl.c (init_emit_once): Amend comment describing
10583 {init|mark|free}_machine_status.
10585 * tm.texi (Per-Function Data): New node. Describe the
10586 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10589 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10591 * cppinit.c (OPT_g): Remove.
10592 (cpp_handle_option): Update for removed -g3.
10593 (print_help): Update.
10594 * cpplib.h (struct cpp_options): Remove debug_output.
10595 * cppmain.c (setup_callbacks, cb_define): Update.
10596 * gcc.c (cpp_options): Translate -g3 to -dD.
10598 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10600 * config/i960/i960.md: Change modifier to + on the zero_extract
10601 pattern after the (rotate -2 reg) canonicalization pattern.
10603 2001-01-10 Richard Henderson <rth@redhat.com>
10605 * config/alpha/alpha.c (alpha_free_machine_status): New.
10606 (override_options): Install it.
10607 (alpha_mark_machine_status): Verify machine non-null.
10608 * config/i386/i386.c (ix86_free_machine_status): New.
10609 (override_options): Install it.
10610 (ix86_init_machine_status): Use xcalloc.
10611 (ix86_mark_machine_status): Verify machine non-null.
10612 * config/ia64/ia64.c (ia64_free_machine_status): New.
10613 (ia64_override_options): Install it.
10614 (ia64_mark_machine_status): Verify machine non-null.
10616 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10618 * function.c (instantiate_virtual_regs): Instantiate virtual
10619 registers found in CALL_INSN_FUNCTION_USAGE.
10621 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10623 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10624 equivalent to -ansi in disabling -Di386.
10626 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10628 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10630 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10632 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10634 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10636 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10638 * invoke.texi: Document that -fcond-mismatch isn't supported for
10641 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10643 * gcc.texi: Define macro gcctabopt.
10644 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10645 @command, @env and @option in some places where appropriate. Use
10646 @gcctabopt where appropriate. Put URLs and email addresses inside
10649 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10651 * gcc.c (cpp_options): Set MD file name from output
10652 filename, if specified.
10653 (suffix_subst): New static variable.
10654 (do_spec): Clear it.
10655 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10657 (give_switch): Handle suffix_subst.
10659 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10661 * invoke.texi: Fix another typo.
10663 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10665 * invoke.texi: Fix typo.
10667 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10669 * c-lang.c (lang_hooks): Update.
10670 (lang_decode_option): Remove.
10671 (lang_init_options): Rename c_init_options.
10672 * toplev.c (main): Use lang_hooks for lang_init_options
10673 and lang_decode_option.
10674 * toplev.h (lang_hooks): Add 2 new hooks.
10675 * tree.h: Remove lang_init_options and lang_decode_option.
10676 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10677 * cp/decl2.c: Similarly.
10678 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10679 (lang_hooks): Update.
10680 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10682 (lang_init_options): Rename ffe_init_options.
10683 (lang_hooks): Update.
10684 (lang_decode_option): Remove.
10685 * java/lang.c (lang_init_options): Rename java_init_options.
10686 (lang_decode_option): Rename java_decode_option.
10687 (lang_hooks): Update.
10688 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10689 (lang_decode_option): Rename objc_decode_option.
10690 (lang_hooks): Update.
10692 2001-01-09 Nick Clifton <nickc@redhat.com>
10694 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10695 (d30v_return_addr_rtx): Delete.
10696 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10697 cfun->machine structure.
10698 (struct machine_function): Move to d30v.h
10699 (d30v_save_machine_status): Delete.
10700 (d30v_restore_machine_status): Delete.
10701 (d30v_init_machine_status): New Function.
10702 (d30v_mark_machine_status): New Function.
10703 (d30v_free_machine_status): New Function.
10704 (d30v_init_expanders): Use new functions.
10705 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10706 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10707 d30v_return_addr_rtx.
10709 * config/d30v/d30v.h (struct_machine): Move here.
10710 Add eh_epilogue_sp_ofs field.
10712 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10713 field in cfun->machine structure.
10715 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10717 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10718 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10719 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10721 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10723 * objc/lang-options.h: Remove bogus reference to
10726 2001-01-09 Kazu Hirata <kazu@hxi.com>
10728 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10731 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10733 * reload.c (find_reloads_address): Check for eliminable registers
10734 when substituting a constant expression for a pseudo.
10736 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10738 * c-common.c (enum format_type): Add format_type_error.
10739 (decode_format_type): New function.
10740 (decl_attributes): Use it.
10741 (format_kind_info): Adjust comment.
10743 2001-01-09 David O'Brien <obrien@BSDi.com>
10745 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10746 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10748 * config/i386/gnu.h: Don't include required platform specific .h files,
10749 tm.h will do it instead.
10750 * config/i386/i386elf.h: Likewise.
10751 * config/i386/linux.h: Likewise.
10752 * config/i386/moss.h: Likewise.
10753 * config/mips/gnu.h: Likewise.
10755 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10757 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10758 (rs6000-ibm-aix3.[01]*): Likewise.
10759 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10760 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10761 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10762 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10763 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10764 (powerpc-*-eabiaix*): Likewise.
10765 (powerpc-*-eabisim*): Likewise.
10766 (powerpc-*-elf*): Likewise.
10767 (powerpc-*-eabi*): Likewise.
10768 (powerpc-*-rtems*): Likewise.
10769 (powerpc-*-linux*libc1): Likewise.
10770 (powerpc-*-linux*): Likewise.
10771 (powerpc-wrs-vxworks*): Likewise.
10772 (powerpcle-wrs-vxworks*): Likewise.
10773 (powerpcle-*-sysv*): Likewise.
10774 (powerpcle-*-elf*): Likewise.
10775 (powerpcle-*-eabisim*): Likewise.
10776 (powerpcle-*-eabi*): Likewise.
10777 (powerpcle-*-solaris2*): Likewise.
10778 * config/rs6000/aix31.h: Delete includes.
10779 * config/rs6000/aix3newas.h: Likewise.
10780 * config/rs6000/aix41.h: Likewise.
10781 * config/rs6000/aix43.h: Likewise.
10782 * config/rs6000/beos.h: Likewise.
10783 * config/rs6000/rtems.h: Likewise.
10784 * config/rs6000/sysv4.h: Likewise.
10786 2001-01-09 Kazu Hirata <kazu@hxi.com>
10788 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10789 Change an argument mode of machine_mode to shift_mode of
10790 shift_mode. Remove an extra error check.
10791 (emit_a_shift): Adopt to the new calling prototype of
10793 (function_prologue): Fix code for a monitor
10794 function. Support H8/S.
10795 (function_epilogue): Do not output pop for a monitor function.
10797 2001-01-09 Nick Clifton <nickc@redhat.com>
10799 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10800 (setup_incoming_varargs): Use sysv_varargs_p field of the
10801 cfun->machine structure.
10802 (struct machine_function): Move to rs6000.h
10803 (rs6000_save_machine_status): Delete.
10804 (rs6000_restore_machine_status): Delete.
10805 (rs6000_init_machine_status): New Function.
10806 (rs6000_free_machine_status): New Function.
10807 (rs6000_init_expanders): Use new functions.
10809 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10811 (struct machine_function): Move here.
10813 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10814 sysv_varargs_p field of the cfun->machine structure.
10816 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10818 (rs6000_restore_machine_status): Remove prototype.
10820 2001-01-09 Richard Henderson <rth@redhat.com>
10822 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10823 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10824 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10825 (sched_analyze_2, sched_analyze_insn): Likewise.
10826 (sched_analyze, init_deps): Likewise.
10827 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10828 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10829 (compute_block_backward_dependences): Update propagate_deps call.
10831 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10833 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10835 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10837 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10838 (cpp_handle_option): Handle them.
10839 (cpp_post_options): Ensure one of -M or -MM is specified with
10840 any other -M? option.
10841 (init_dependency_output): Suppress output with -MG.
10843 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10845 * cpp.texi: Update.
10846 * invoke.texi: Update.
10848 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10850 * sh.md (reload_outsf): Generate recognizable patterns for
10853 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10855 * c-lang.c (lang_hooks): Update.
10856 (lang_init): Rename c_init.
10857 (lang_finish): Remove.
10858 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10859 and lang_finish ().
10860 * toplev.h (lang_hooks): Add init () and finish ().
10861 * tree.h (lang_init, lang_finish): Remove.
10862 * cp/tree.h (lang_init, lang_finish): Remove.
10863 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10864 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10866 (lang_init, lang_finish): Remove.
10867 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10868 (lang_hooks): Update.
10869 * java/lang.c (lang_init): Rename java_init.
10870 (lang_finish): Remove.
10871 (lang_hooks): Update.
10872 * objc/objc-act.c (lang_init): Rename objc_init.
10873 (lang_finish): Remove.
10874 (lang_hoooks): Update.
10876 20001-01-09 Graham Stott <grahams@redhat.com>
10878 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10879 after `ptr` is initialised.
10881 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10883 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10884 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10885 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10886 stack adjusts, instead of r3.
10888 2001-01-09 Michael Hayes <mhayes@redhat.com>
10890 * flow.c (flow_loop_scan): Break out of ...
10891 (flow_loops_find) ... here.
10892 * basic-block.h (flow_loop_scan): New.
10893 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10894 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10896 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10898 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10900 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10901 realloc()ing macro_buffer.
10903 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10904 if it's wider than long and the target's long is wider than the
10907 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10909 Remove support for using UWIN as a host machine.
10910 * configure.in: Issue an error message.
10911 * configure: Regenerated.
10912 * config.gcc: Remove xm_* UWIN configury.
10913 * config/i386/xm-uwin.h: Remove.
10915 2001-01-08 Nick Clifton <nickc@redhat.com>
10917 * config/v850/v850.c (ra_rtx): Delete.
10918 (v850_save_machine_status): Delete.
10919 (v850_restore_machine_status): Delete.
10920 (v850_init_machine_status): New function.
10921 (v850_mark_machine_status): New function.
10922 (v850_free_machine_status): New function.
10923 (v850_return_addr): Use ra_rtx field in machine structure.
10924 (v850_init_expanders): Use new functions.
10926 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10927 * config/v850/v850.c: Change arguments to v850_output+* functions
10928 to take a const char *, to avoid compile time warning.
10929 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10930 (USER_LABEL_PREFIX): Redefine.
10932 2000-01-08 Jim Wilson <wilson@redhat.com>
10934 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10935 1 to unsigned HOST_WIDE_INT before left shift.
10937 2001-01-08 Nick Clifton <nickc@redhat.com>
10939 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10940 the machine structure has been allocated.
10941 (arm_free_machine_status): New function: Free the machine
10942 specific function structure.
10944 2001-01-08 Richard Henderson <rth@redhat.com>
10946 * jump.c (simplejump_p): Revert last change.
10948 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10950 * cppinit.c (init): Rename init_library.
10951 (cpp_create_reader): Update.
10952 * gcc.c (cpp_options): If -o given, use it as the target of
10955 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10957 * arm.c (arm_arch5e): New variable.
10958 (all_cores): XScale is a 5TE device.
10959 (arm_override_options): Set arm_arch5e.
10960 (arm_init_builtins): __builtin_prefetch is in arch5e.
10961 * arm.h (arm_arch5e): Declare it.
10963 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10965 * arm.md (define_constants): Add defines for UNSPEC and
10966 UNSPEC_VOLATILE insns. Update all users.
10967 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10968 * arm.c (multi_register_push, note_invalid_constants)
10969 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10970 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10971 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10973 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10975 * jump.c (jump_optimize_1): Use reversed_comparison_code
10976 instead of can_reverse_comparison_p.
10977 (jump_back_p): Likewise.
10978 (invert_exp_1): Likewise.
10979 (thread_jumps): Likewise.
10980 * simplify-rtx.c (simplify_unary_operation): Likewise.
10981 (simplify_ternary_operation): Likewise.
10982 * cse.c (find_comparison_args): Convert to use
10983 can_reverse_comparison_p.
10984 (record_jump_equiv): Likewise.
10986 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10988 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10989 (EPILOGUE_USES): Define.
10990 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10991 automatically stack the LR if it isn't live.
10993 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10995 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10998 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11000 * ggc-page.c (max_alignment): New structure.
11001 (MAX_ALIGNMENT): New macro.
11002 (init_ggc): Use it to round up the sizes in the
11003 extra_order_size_table.
11005 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11007 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11010 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11012 * builtins.def (BUILT_IN_FPRINTF): New entry.
11014 * c-common.c (c_expand_builtin_fprintf): New function.
11015 (init_function_format_info): Handle __builtin_fprintf.
11016 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11017 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11019 * c-decl.c (duplicate_decls): Adjust comment.
11021 * extend.texi (fprintf): Document new builtin.
11023 2001-01-07 Richard Henderson <rth@redhat.com>
11025 * jump.c (simplejump_p): Recognize any single_set jump
11026 of the proper form.
11028 2001-01-07 Richard Henderson <rth@redhat.com>
11030 * configure.in (slibdir): Accept an --with-slibdir option.
11031 Use "test" not "[" in configure. Default to $(libdir).
11033 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11035 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11036 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11037 (SHLIB_LINK): Create links for the soname.
11038 * config/mips/t-iris6: Likewise.
11039 * config/sparc/t-slibgcc: Likewise.
11040 * config/sparc/t-slibgcc-sld: Likewise.
11042 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11044 * config/i386/i386.c (constant_call_address_operand): Accept
11045 (const (plus (symbol_ref) (const_int))).
11046 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11047 constant_call_address_operand.
11049 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11051 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11052 and LONG_LONG_TYPE_SIZE > 32.
11054 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11056 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11057 the previous change.
11059 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11061 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11063 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11064 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11065 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11068 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11070 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11072 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11074 * c-lang.c (c_post_options): Call cpp_post_options.
11075 * objc/objc-act.c (objc_post_options): Similarly.
11076 * cppmain.c (main): Similarly.
11077 * fix-header.c (read_scan_file): Similarly.
11078 * cppinit.c (cpp_start_read): Move option consistency checks
11079 to cpp_post_options. Don't call init_dependency_output.
11080 If needed, add default target and main file dependency.
11081 (OPT_MD, OPT_MMD): Remove.
11083 (cpp_handle_option): Update for OPT_* changes.
11084 (cpp_post_options): New.
11085 (init_dependency_output): Command line -MF overrides environment
11086 variables. Don't set default target etc. Suppress output
11087 if dependencies are going to stdout.
11088 (print_help): Update.
11089 * cpplib.h (cpp_post_options): New.
11090 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11092 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11094 * jump.c (comparison_dominates_p): Support unordered compares.
11096 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11098 * simplify-rtx.c (simplify_relational_operation): Always simplify
11099 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11102 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11104 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11105 (nonzero_bits): Likewise.
11106 (simplify_comparison): Likewise.
11107 (num_sign_bit_copies): Likewise; return more sane value depending
11108 on STORE_FLAG_VALUE.
11109 (known_cond): Do not assume EQ to be always true for equivalent
11112 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11114 * cse.c (fold_rtx): Handle unordered comparisons.
11116 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11118 * rtlanal.c (set_of_1): New static function.
11119 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11120 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11121 reg_set_last_last_regno): Remove.
11122 (set_of): New global function.
11123 (set_of_data): New structure.
11124 (reg_set_p, reg_set_last): Revamp for set_of.
11125 * rtl.h (set_of): New.
11127 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11129 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11130 * extend.texi: Document _Exit builtin.
11132 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11134 * (initialize, initialize_builtins,
11135 initialize_dependency_output, initialize_standard_includes):
11136 Rename s/initialize/init. Update.
11137 (init_dependency_output): Move to after
11138 cpp_handle_options, the correct location temporally at least.
11139 (opt_comp): Move next to init (), its caller. Fix prototype.
11140 (init): Make "initialized" local scope.
11141 (cpp_create_reader): Always call init ().
11142 (cpp_start_read): Update.
11143 (output_deps): New function, broken out of cpp_finish.
11144 (cpp_finish): Break out output_deps.
11146 2001-01-07 Richard Henderson <rth@redhat.com>
11148 * collect2.c (COFF specific stuff): Revert 12-06 patch
11149 to prototype system functions.
11151 2001-01-07 Michael Hayes <mhayes@redhat.com>
11153 * hard-reg-set.h: Add multiple include guard.
11154 * basic-block.h (struct loop): Add `sink' field.
11155 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11156 (emit_iv_add_mult): Delete.
11157 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11158 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11159 (unroll_loop): Remove end_insert_before argument.
11160 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11161 (maybe_eliminate_biv_1): Likewise.
11162 (emit_iv_add_mult): Delete.
11163 (gen_add_mult, loop_regs_update): New.
11164 (loop_insn_emit_after, loop_insn_emit_before): New.
11165 (loop_insn_sink, loop_insn_sink_or_swim): New.
11166 (emit_iv_add_mult): Delete.
11167 (scan_loop): Set loop->sink.
11168 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11169 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11170 (maybe_eliminate_biv_1): Likewise.
11171 (maybe_eliminate_biv_1): Add basic block argument.
11172 * unroll.c (unroll_loop): Remove end_insert_before argument.
11173 (find_splittable_regs): Likewise.
11174 (find_splittable_regs): Use loop_insn_sink and its ilk.
11175 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11177 2001-01-07 Michael Hayes <mhayes@redhat.com>
11179 * loop.h (loop_insn_hoist): New prototype.
11180 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11181 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11182 (check_dbra_loop, load_mems): Likewise.
11183 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11184 (find_splittable_givs): Likewise.
11186 2001-01-07 Michael Hayes <mhayes@redhat.com>
11188 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11190 2001-01-07 Richard Henderson <rth@redhat.com>
11192 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11194 2001-01-07 Richard Henderson <rth@redhat.com>
11196 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11197 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11198 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11199 variant that handles a shared libgcc.
11200 (process_command): Always validate -{static,shared}-libgcc.
11201 (do_spec_1): New 'M' case.
11202 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11204 2001-01-07 Richard Henderson <rth@redhat.com>
11206 * Makefile.in (slibdir): New variable.
11207 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11208 (installdirs): Create slibdir.
11209 (install-libgcc, install-multilib): Defer to libgcc.mk.
11210 * configure.in (slibdir): Substitute.
11211 * mklibgcc.in (install): New target.
11213 * config/t-linux (SHLIB_LINK): Create links for the soname.
11214 (SHLIB_INSTALL): New.
11215 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11216 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11217 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11218 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11219 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11221 2001-01-07 Richard Henderson <rth@redhat.com>
11223 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11224 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11225 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11227 2001-01-07 Michael Hayes <mhayes@redhat.com>
11229 * loop.c (count_loop_regs_set): Delete.
11230 (load_mems_and_recount_loop_regs_set): Delete.
11231 (loop_regs_scan): Merge common code from count_loop_regs_set,
11232 scan_loop, and load_mems_and_recount_loop_regs_set.
11233 (scan_loop): Call load_mems directly and loop_regs_scan
11234 again if new registers created.
11236 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11238 * toplev.c (main): Call the front-end specific post_options
11239 hook if one is given.
11240 * toplev.h (struct_lang_hooks, lang_hooks): New.
11241 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11242 for the C front end.
11243 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11244 lang_hooks for the C++ front end.
11245 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11246 lang_hooks for the ObjC front end.
11247 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11248 * java/lang.c (lang_hooks): Hooks for the Java front end.
11250 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11252 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11253 for verbose DWARF[2] debugging.
11254 (cb_define, cb_undef): The new callbacks.
11255 * toplev.h (debug_define, debug_undef): Make const correct.
11256 * toplev.c (debug_define, debug_undef): Similarly. Do not
11257 perform the verbosity tests here anymore.
11259 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11261 * reload.c (subst_reloads): Take INSN argument. When
11262 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11263 * reload.h (subst_reloads): Adjust prototype.
11264 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11265 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11266 present in JUMP_INSNs and copy them to JUMP_LABEL.
11267 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11268 JUMP_INSNs and insns with REG_LABELs that are followed by
11269 JUMP_INSNs with the same REG_LABEL.
11270 * sched-rgn.c (is_cfg_nonregular): Likewise.
11271 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11273 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11275 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11277 2001-01-06 Richard Henderson <rth@redhat.com>
11279 * loop.c (scan_loop): Use xcalloc for the regs array.
11280 (load_mems_and_recount_loop_regs_set): Zero the new memory
11281 received from xrealloc.
11283 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11285 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11287 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11289 * integrate.c (copy_rtx_and_substitute): When copying
11290 an ignored return value, strip REG_FUNCTION_VALUE_P.
11292 2001-01-06 Michael Hayes <mhayes@redhat.com>
11294 * loop.c (debug_biv, debug_giv): New.
11295 (loop_biv_dump): Break out from ...
11296 (record_biv): ... here.
11297 (loop_giv_dump): Break out from ...
11298 (record_giv): ... here.
11299 (loop_bivs_check): Use print_simple_rtl.
11300 * unroll.c (loop_iterations): Use print_simple_rtl.
11302 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11304 * pa.md (return, return_internal): Modify patterns to prevent regrename
11305 mucking with the return pointer.
11307 2001-01-05 Richard Henderson <rth@redhat.com>
11309 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11311 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11313 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11314 version supplied by Matteo Frigo.
11316 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11318 * cpp.texi: Update for -MQ.
11319 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11320 (cpp_cleanup): Always free pfile->deps.
11321 (initialize_dependency_output): Don't create pfile->deps.
11322 (cpp_handle_option): Similarly.
11324 * gcc.c (cpp_options): Handle -MQ.
11325 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11326 * mkdeps.c (base_name): Remove.
11327 (deps_init): Don't allocate vector space until it's needed.
11328 (deps_free): Only free vectors if allocated.
11329 (deps_add_target, deps_add_dep): Update for initial allocation.
11330 (deps_add_default_target): Don't strip to the base_name.
11332 2001-01-05 DJ Delorie <dj@redhat.com>
11334 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11335 (INIT_EXPANDERS): Define.
11337 * config/v850/v850.c (struct machine_function): Define.
11338 (v850_save_machine_status): New function.
11339 (v850_restore_machine_status): New function.
11340 (v850_return_addr): New function.
11341 (v850_init_expanders): New function.
11343 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11344 and v850_init_expanders.
11346 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11348 * cpplib.h (struct cpp_reader): Add help_only field.
11349 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11350 (cpp_handle_option): Set pfile->help_only if we see -h,
11351 --help, -target-help, or --version. Print version string but
11352 do not set help_only if we see -v or -version. Make text
11353 printed by -v match that printed by (-)-version.
11355 * cppmain.c (main): Exit after option parsing if
11356 pfile->help_only is true.
11358 * toplev.c (independent_decode_option): Call print_version,
11359 then exit, if we see --version (but not -version).
11360 (print_version): Split lengthy message into two lines.
11362 2001-01-05 Nick Clifton <nickc@redhat.com>
11364 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11365 temporary string for initialisation before calling ggc_alloc_string.
11367 2001-01-06 Michael Hayes <mhayes@redhat.com>
11369 * rtl.h (print_simple_rtl): New.
11370 * print-rtl.c (print_simple_rtl): New.
11371 (flag_simple): New.
11372 (print_rtx): Disable printing of flags and modes, etc.,
11373 if `flag_simple` nonzero.
11375 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11377 * function.c (fixup_var_refs): Use push_to_full_sequence where
11380 2001-01-05 Michael Meissner <meissner@redhat.com>
11382 * flags.h (flag_reorder_blocks): Add declaration.
11383 (flag_rename_block): Ditto.
11385 2001-01-05 DJ Delorie <dj@redhat.com>
11387 * function.c (reorder_blocks): Make sure the flags are all reset
11388 before using them to mark blocks, else a second invocation will
11389 corrupt the block chain.
11390 (reorder_blocks_0): New, resets the flags.
11392 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11394 * cse.c (find_comparison_args): Stop if the argument is known to
11397 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11399 * config/sh/sh.md (movdf): When splitting load into pair of
11400 registers, don't clobber the register used in the address too
11403 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11405 * varasm.c (mark_constant_pool): Improve initial comments.
11406 (mark_constants): Move marking of constants to mark_constant.
11407 (mark_constant): New function to recursively mark all constants
11408 referred to by a constant.
11410 2001-01-05 Catherine Moore <clm@redhat.com>
11412 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11414 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11416 * cp/lang-options.h: Bring comment in line with reality.
11417 * f/lang-options.h: Likewise.
11418 * java/lang-options.h: Likewise.
11419 * objc/lang-options.h: Likewise.
11420 * ch/lang-options.h: Likewise.
11421 * f/g77.texi: And update the manual.
11423 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11424 Denis Chertykov <denisc@overta.ru>
11426 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11427 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11428 * config/avr/avr.md (all peepholes that request a scratch register):
11429 Call it, FAIL the peephole if not safe (in interrupt functions).
11431 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11433 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11435 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11437 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11439 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11440 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11441 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11442 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11443 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11445 * extend.texi: Document these builtins.
11447 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11449 * c-common.c (lang_get_alias_set): Say we know nothing of
11450 VECTOR_TYPE aliasing.
11452 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11454 2001-01-05 Bruce Korb <bkorb@gnu.org>
11456 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11457 their x* equivalent versions for atexit-less systems
11458 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11459 systems (or any other system any more).
11461 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11463 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11464 output operands. Use arm_hard_register_operand for operand 4.
11465 (stmsi_postinc): Similarly.
11466 (ldmsi): Use arm_hard_register_operand for opernand 2.
11467 (stmsi): Similarly.
11468 * arm.c (arm_hard_register_operand): New function.
11469 * arm-protos.h (arm_hard_register_operand): Prototype it.
11471 * arm.h (HARD_REGNO_RENAME_OK): Define.
11473 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11475 * simplify-rtx.c (cfc_args): add "unordered" field.
11476 (check_fold_consts): Set unordered field.
11477 (simplify_relational_operation): Simplify the unordered
11480 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11483 * emit-rtl.c (try_split): Fix code to mark labels.
11484 * jump.c (mark_jump_label): Make global.
11485 * rtl.h (mark_jump_label): Declare.
11487 * predict.c (estimate_probability): Handle unordred comparisons.
11489 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11491 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11492 * cppinit.c (initialize_dependency_output): Update.
11493 (cpp_finish): Output dummy targets for -MP.
11495 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11496 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11497 * gcc.c (cpp_options): Update to handle -MP.
11498 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11499 to quote only the default target.
11500 (deps_phony_targets): Insert a preceding newline. Rename from
11501 deps_dummy_targets for consistency.
11504 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11506 * calls.c (emit_library_call_value_1): Support
11507 INIT_CUMULATIVE_LIBCALL_ARGS.
11508 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11510 2001-01-04 Richard Henderson <rth@redhat.com>
11512 * c-decl.c (finish_struct): Detect flexible array members
11513 used in an inappropriate context.
11514 * c-typeck.c (really_start_incremental_init): Special case
11515 constructor_max_index for zero length arrays.
11516 (pop_init_level): Allow initialization of flexible array
11517 members. Deprecate initialization of zero length arrays.
11518 Don't issue missing initializer warning for flexible array
11519 members or zero length arrays.
11520 (process_init_element): Don't dereference null DECL_SIZE.
11521 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11522 Don't abort for empty constructors. Use size_binop
11523 (output_constructor): Add commentary regarding zero length
11524 array futures. Abort if we try to initialize an array of
11525 unspecified length with a non-empty constructor in the middle
11528 * extend.texi (Zero Length): Update and clarify documentation
11529 on static initialization.
11531 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11533 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11534 with more than 32767 words of local storage.
11536 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11538 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11539 for 'abs', 'labs', and 'fabs'.
11540 (c4x_expand_builtin): Likewise.
11541 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11543 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11545 * config/sh/sh.md (prget, prset): New insn types.
11546 (return delay slot): Dont' allow prset.
11547 (call, sfunc delay slot): Don't allow prget.
11548 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11549 for prset and prget.
11551 2001-01-05 Michael Hayes <mhayes@redhat.com>
11553 * loop.h (struct loop_reg): New.
11554 (struct loop_regs): Change to use array of `struct loop_reg'.
11555 * loop.c: Replace assortment of varrays with single regs array.
11556 (count_one_set): Delete may_not_move array argument
11557 and use regs array instead. All caller's changed.
11558 (count_loop_regs_set): Delete may_not_move and single_usage
11559 arguments and use regs array instead. All caller's changed.
11560 (find_single_use_in_loop): Replace usage array argument with pointer
11561 to regs structure. All caller's changed.
11562 (loop_optimize): Delete `moved_once' array.
11564 2001-01-05 Michael Hayes <mhayes@redhat.com>
11566 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11567 Use it instead of loop_info->has_call for scanning loop mems.
11568 (check_dbra_loop): Replace loop_info->has_call test with
11569 loop_info->has_nonconst_call.
11571 2000-01-04 Matthew Hiller <hiller@redhat.com>
11573 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11576 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11578 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11579 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11581 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11583 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11584 (flag_short_double, flag_short_wchar): Define.
11585 (c_common_nodes_and_builtins): Create many tree nodes shared
11586 between C and C++ here instead of in cp/decl.c and ...
11587 * c-decl.c (init_decl_processing): ... here.
11588 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11589 (flag_short_double, flag_short_wchar): Don't define.
11590 (record_builtin_type): New function.
11591 (build_void_list_node): New function.
11592 * c-common.h (flag_short_double, flag_short_wchar,
11593 record_builtin_type, build_void_list_node): Declare.
11595 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11597 * integrate.c (expand_inline_function): Don't put a virtual
11598 register into the reg map.
11600 * function.c (fixup_var_refs_1): If force_operand didn't put
11601 the address into the target, move it there.
11603 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11605 Special-case tree_decl/tree_list allocations.
11606 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11607 (OBJECT_SIZE): New macro.
11608 (NUM_EXTRA_ORDER): Likewise.
11609 (extra_order_size_table): New variable.
11610 (NUM_ORDERS): New macro.
11611 (objects_per_page_table): New variable.
11612 (object_size_table): New variable.
11613 (G.pages): Use NUM_ORDERS to bound the array.
11614 (G.page_tails): Likewise.
11615 (DIV_ROUND_UP): Remove.
11616 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11617 (alloc_page): Use OBJECT_SIZE.
11618 (size_lookup): Don't make it const.
11619 (ggc_alloc): Use OBJECT_SIZE.
11620 (ggc_set_mark): Likewise.
11621 (ggc_get_size): Likewise.
11622 (init_ggc): Set up the object_size_table, objects_per_page_table,
11623 and adjust size_lookup.
11624 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11625 (ggc_pop_context): Use NUM_ORDERS.
11626 (clear_marks): Likewise.
11627 (sweep_pages): Likewise.
11628 (poison_pages): Likewise.
11629 (ggc_print_statistics): Use OBJECT_SIZE.
11631 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11633 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11634 Only call array_size_for_constructor if last field and array type
11635 with no upper bound.
11637 2001-01-04 Philip Blundell <philb@gnu.org>
11639 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11640 from bit 31 downwards, if this requires no more insns.
11641 (count_insns_for_constant): New helper function for above.
11643 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11645 * gencodes.c (output_predicate_decls): Remove empty initializer.
11647 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11649 * tree.c (copy_node): Remove documentation about obstacks.
11650 (buidl1): Check that nobody tries to build 2-argument nodes this
11653 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11655 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11658 * gencodes.c (output_predicate_decls): Fill empty initializer
11661 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11663 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11664 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11666 (do_include): Handle missing headers like cpp0.
11667 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11668 paths with first include pathname. Don't strcat to uninitialized
11671 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11673 * regrename.c (regrename_optimize): Don't rename from frame pointer
11674 if frame_pointer_needed.
11675 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11676 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11677 (ia64_reorg): Use it instead of scheduling if ! optimize.
11678 (errata_emit_nops): Properly call asm_noperands.
11679 (ia64_sched_reorder): Finish cycle if we see an asm.
11680 (ia64_variable_issue): Clear scheduling state after asms.
11682 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11684 * cpp.texi: Update for -MT.
11685 * cppinit.c (initialize_dependency_output): Add a default
11686 target if none has been given already.
11687 (no_tgt, OPT_MT): New.
11688 (cpp_handle_option): Handle -MT. Update -M etc.
11689 * cpplib.h (struct cpp_options): Remove deps_target.
11690 * gcc.c (cpp_options): Handle -MT.
11691 * mkdeps.c (struct deps): Move from mkdeps.h.
11692 (deps_calc_target): Rename deps_add_default_target. Add a
11693 default target if none has been specified already.
11694 * mkdeps.h (struct deps): Move to mkdeps.c.
11695 (deps_calc_target): Rename deps_add_default_target.
11697 2000-01-03 Richard Henderson <rth@redhat.com>
11699 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11701 * c-typeck.c (push_init_level): Move checks for flexible array
11702 members and zero length arrays ...
11703 (pop_init_level): ... here. Silently discard empty initializations.
11705 * varasm.c (output_constructor): Update for sizeof change to
11706 zero-length arrays.
11708 * extend.texi (Zero Length): Clarify semantics.
11710 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11712 * configure.in (tm.h): Include isns-codes.h last.
11713 * configure: Rebuilt.
11715 2001-01-03 Richard Henderson <rth@redhat.com>
11717 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11718 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11720 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11722 * tradcpp.c (main): Make sure finclude() is called with a valid
11723 indepth value while handling -include.
11725 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11727 * gencodes.c (output_predicate_decls): New function.
11729 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11730 even if it is not the first time machmode.h is #included.
11731 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11732 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11733 * gcc.texi (Copyright): Added 2001.
11735 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11737 * c-common.c (c_common_lang_init): New function. Warn if format
11738 warning options which only have effects when used with -Wformat
11739 are used without -Wformat.
11740 * c-common.h (c_common_lang_init): Declare.
11741 * c-lang.c (lang_init): Call c_common_lang_init.
11742 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11744 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11746 * configure.in: Check for the mktemp command.
11747 * configure: Regenerate.
11748 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11749 $TEMP. Create temporary files with mktemp, if available at
11750 configure time; otherwise use set -C. Remove temporary files
11753 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11755 * configure.in: Require at least texinfo 4.0. Check for whether
11756 Pod::Man is sufficiently recent to regenerate GCC manpages.
11757 * configure: Regenerate.
11758 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11760 (GENERATED_MANPAGES): Define.
11761 (generated-manpages): New target. Depend on cpp.1 as well as
11763 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11764 configure to generated-manpages or empty) rather than on the
11765 manpages directly. Remove execute permission from installed
11766 gcov.1 as well as cpp.1.
11767 * cpp.1, gcov.1: Regenerate.
11769 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11771 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11772 tree_low_cst. Allow using cmpstrsi in more cases.
11774 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11776 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11779 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11781 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11782 * Makefile.in (HOST_CFLAGS): Mention build-make.
11784 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11786 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11789 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11791 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11794 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11797 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11798 reg_base_value and reg_known_value arrays.
11799 (init_alias_analysis): Add more cases to detect known values.
11800 * sched-deps.c (deps_may_trap_p): New function.
11801 (sched_analyze_2): Use it.
11803 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11805 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11806 don't discard an ASHIFTRT if we're shifting in a wider mode.
11808 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11810 * toplev.c (rest_of_compilation): Don't print basic block information
11811 when CFG isn't up to date.
11813 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11815 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11816 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11817 (UNALIGNED_SHORT_ASM_OP): Define.
11818 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11820 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11822 * fold-const.c (fold_convert): Fix typo.
11824 2001-01-02 Richard Henderson <rth@redhat.com>
11826 * c-common.h (ASM_INPUT_P): New.
11827 * c-parse.in (asm): Set it when needed.
11828 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11829 existance of an operand.
11831 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11833 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11834 (dwarf2out_frame_debug_expr): Likewise.
11835 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11837 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11839 * i386.c (ix86_split_to_parts): Return number of part required;
11841 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11843 (ix86_split_long_move): Use number of part returned
11844 by ix86_split_to_parts
11845 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11847 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11848 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11849 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11850 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11851 (ALIGN_MODE_128): Add TFmode.
11852 (IS_STACK_MODE): Likewise.
11853 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11854 (HARD_REGNO_OK): Support TFmodes.
11855 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11856 * i386.md (scheduler definitions): Use memory operand to determine
11857 fst/fld instructions; use mode attribute to determine real mode of
11859 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11860 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11862 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11864 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11866 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11868 * expr.c (store_constructor_field): Update ALIGN before calling
11871 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11873 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11876 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11878 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11881 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11883 * c-decl.c (start_function): Don't warn on third parameter to main.
11885 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11887 * tsystem.h: Define HAVE_DECL_GETOPT.
11889 2001-01-02 Philip Blundell <pb@futuretv.com>
11891 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11894 2001-01-02 Richard Henderson <rth@redhat.com>
11896 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11898 2001-01-02 Andreas Jaeger <aj@suse.de>
11900 * c-decl.c (c_decode_option): Remove support of
11901 -Wmissing-noreturn.
11903 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11904 (W_options): Add -Wmissing-noreturn here.
11906 * flow.c: Define lang_missing_noreturn_ok_p.
11907 (check_function_return_warnings): Use it.
11909 * c-common.h: Declare lang_missing_noreturn_ok_p.
11911 * c-lang.c (c_missing_noreturn_ok_p): New function.
11912 (lang_init): Set lang_missing_noreturn_ok_p.
11914 * invoke.texi (Warning Options): Document this.
11916 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11918 * extend.texi (C++ Extensions): New node for C++ attributes;
11919 describe init_priority and com_interface.
11920 * invoke.texi: Remove -finit-priority as it now has zero effect.
11921 * install.texi: Fix xref syntax.
11922 * md.texi: Likewise.
11924 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11926 * config.gcc (sparc64-wrs-vxworks*): New case.
11927 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11929 * config/sparc/sparc.c (sparc_override_options): Do support different
11930 pointer and architecture size.
11931 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11932 (POINTERS_EXTEND_UNSIGNED): Define.
11933 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11934 (FUNCTION_MODE): Define to be Pmode.
11935 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11937 * function.c (expand_function_end): Properly handle DECL_RESULT
11938 and copy when ptr_mode != Pmode.
11939 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11941 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11943 * c-common.c (c_common_nodes_and_builtins): Set prototype
11944 parameters for __builtin_fputs, __builtin_fputc and
11945 __builtin_fwrite. Don't declare plain fputc as a builtin.
11947 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11949 * loop.c (add_label_notes): Increment the label usage count when
11950 a note is added to an insn which refers to a CODE_LABEL.
11951 * gcse.c (add_label_notes): Likewise.
11953 2001-01-01 Andreas Jaeger <aj@suse.de>
11955 * loop.c (scan_loop): Use xmalloc to allocate movables.
11957 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11959 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11960 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11961 * reload1.c (REGISTER_MOVE_COST): Likewise.
11962 * regclass.c (REGISTER_MOVE_COST): Likewise.
11963 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11964 dimension. Adjust all users.
11965 (init_reg_sets_1): Iterate on all modes.
11966 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11967 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11968 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11969 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11970 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11971 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11972 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11973 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11974 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11975 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11976 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11977 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11978 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11979 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11980 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11981 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11982 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11983 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11984 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11985 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11986 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11987 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11988 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11989 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11990 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11991 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11992 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11994 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11996 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11997 arg VARIES_P. Call it with extra arg.
11998 (true_dependence): Likewise.
11999 * rtl.h (rtx_addr_can_trap_p): Declare.
12000 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12002 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12003 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12004 pic offset table register if it's zero. All callers changed.
12005 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12007 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12009 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12010 STRING_POOL_ADDRESS_P.
12012 * config/sparc/sparc.c (input_operand): Properly test for short op.
12014 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12015 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12016 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12017 * config/sparc/elf.h: No longer include sol2.h.
12018 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12019 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12021 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12023 2001-01-01 Michael Hayes <mhayes@redhat.com>
12025 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12026 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12027 (record_initial): Likewise.
12028 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12029 (remap_split_bivs): Likewise.
12031 2001-01-01 Michael Hayes <mhayes@redhat.com>
12033 * loop.c (loop_ivs_free): New function.
12034 (strength_reduce): Break out from...
12036 2001-01-01 Michael Hayes <mhayes@redhat.com>
12038 * loop.h (struct iv): New.
12039 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12040 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12041 'reg_biv_class' fields with 'regs' and 'n_regs'.
12042 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12043 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12044 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12046 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12048 * resource.c (mark_referenced_resources): Abort() before
12049 attempting to mark a pseudo register.
12050 (mark_set_resources): Likewise.
12052 2001-01-01 Michael Hayes <mhayes@redhat.com>
12054 * loop.h (REG_IV_CLASS): New accessor macro.
12055 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12056 * unroll.c (REG_IV_CLASS): Likewise.
12058 See ChangeLog.4 for earlier changes.