2000-09-30 Hans Boehm <boehm@acm.org>
Bryce McKinlay <bryce@albatross.co.nz>
Implement bitmap descriptor based marking for Boehm GC.
* configure.in: Define JC1GCSPEC. Set it if boehm-gc is used.
* configure: Rebuilt.
* libgcj.spec.in: Pass JC1GCSPEC to jc1.
* include/jvm.h (struct _Jv_VTable): New field `gc_descr'. New inline
method get_finalizer().
(struct _Jv_ArrayVTable): Ditto. Declare method array with
NUM_OBJECT_METHODS elements instead of NUM_OBJECT_METHODS + 1.
(_Jv_AllocObj): Add new jclass parameter.
(_Jv_AllocArray): Ditto.
(_Jv_BuildGCDescr): New prototype.
* prims.cc (_Jv_AllocObject): Rename parameter `c' to `klass'. Pass
`klass' to _Jv_AllocObj. Don't set the new object's vtable. Use
get_finalizer() instead of direct finalizer vtable offset.
(_Jv_NewObjectArray): Rename parameter `clas' to `klass'. Pass
`klass' to _Jv_AllocArray. Don't set the new array's vtable.
(_Jv_NewPrimArray): Call _Jv_FindArrayClass before _Jv_AllocObj.
Pass `klass' to _Jv_AllocObj. Don't set the new array's vtable.
* resolve.cc (METHOD_NOT_THERE, METHOD_INACCESSIBLE): New #defines.
(_Jv_ResolvePoolEntry): Use METHOD_NOT_THERE and METHOD_INACCESSIBLE.
(_Jv_DetermineVTableIndex): Ditto.
(_Jv_PrepareClass): Ditto. Remove offset-by-one adjustments from vtable
calculations to account for new gc_descr field.
* boehm.cc: #include gc_gcj.h.
(obj_kind_x, obj_free_list): `#if 0'-ed away.
(_Jv_MarkObj): Check that vtable doesn't point to a cleared object.
New commentary from HB. Mark the classes vtable.
(_Jv_MarkArray): Check that vtable doesn't point to a cleared object.
(GC_DEFAULT_DESCR): New #define.
(_Jv_BuildGCDescr): New function. Use GC_DEFAULT_DESCR, for now.
(_Jv_AllocObj): New parameter `klass'. Use GC_GCJ_MALLOC ().
(_Jv_AllocArray): New parameter `klass'. Allocate with GC_MALLOC and
scan conservativly if size is less than min_heap_addr. Set vtable
pointer of new object before returning.
(_Jv_AllocBytes): Use GC_MALLOC_ATOMIC, not GC_GENERIC_MALLOC.
(_Jv_InitGC): Call GC_init_gcj_malloc(). Don't set up marking and
allocation for obj_kind_x.
* nogc.cc (_Jv_BuildGCDescr): New function. Return 0.
(_Jv_AllocObj): Set vtable on returned object.
(_Jv_AllocArray): Ditto.
* java/lang/Class.h (_Jv_NewObjectArray): No longer a friend.
(_Jv_NewPrimArray): Ditto.
(_Jv_AllocObj): Declare as a friend.
(_Jv_AllocArray): Ditto.
* java/lang/natClassLoader.cc (_Jv_FindArrayClass): Copy gc_descr
from &ObjectClass into new array class. Remove offset-by-one
adjustments from `method' size calculations to account for gc_descr
field.
Co-Authored-By: Bryce McKinlay <bryce@albatross.co.nz>
From-SVN: r36679
* ltconfig, ltmain.sh, libtool.m4: Updated from libtool
multi-language branch, to work around Solaris' /bin/sh bug. Rebuilt
all affected `configure' scripts.
From-SVN: r36673
* ltconfig, ltmain.sh, libtool.m4, ltcf-cxx.sh: Updated from libtool
multi-language branch, to work around Solaris' /bin/sh bug. Rebuilt
all affected `configure' scripts.
From-SVN: r36672
* cse.c (notreg_cost): New argument outer.
(COST): Pass in SET to notreg_cost
(COST_IN): New.
(fold_rtx): Use COST_IN. Prefer constants when costs
are the same.
From-SVN: r36671
2000-09-29 Alexandre Petit-Bianco <apbianco@cygnus.com>
* parse.y (maybe_yank_clinit): Also keep <clinit> if its body
contains something else than MODIFY_EXPR.
(http://gcc.gnu.org/ml/gcc-patches/2000-09/msg01141.html)
From-SVN: r36670
* recog.c (recog_memoized): Rename to recog_memoized_1.
* recog.h (recog_memoized): Rename to recog_memoized_1.
(recog_memoized): New macro.
* rtl.h (single_set): Rename to single_set_1
(single_set): New macro.
* rtlanal.c (single_set): Rename to single_set_1; expect clobbers
to be last.
* i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
Do not use match_dup of input operands at outputs.
Use register_operand for memory expression.
(rep_movsi): Put use last, canonicalize.
Use register_operand for memory expression.
(rep_movqi): Put use last.
Use register_operand for memory expression.
(strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
of input operands at outputs. Use register_operand for memory
expression.
(rep_stossi): Put use last; canonicalize; fix match_dup in
the address expression
(rep_stosqi): Likewise.
(memcmp expander): Update calls.
(cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
the clobbers.
* i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
VOIDmode.
(fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
From-SVN: r36664
2000-09-28 David O'Brien <obrien@FreeBSD.org>
* config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
Contains the old contents of config/i386/freebsd.h
* config/i386/freebsd.h: Now the ELF rather than a.out config file.
Contains the old contents of config/i386/freebsd-elf.h
* config/i386/freebsd-elf.h: Retire this file -- contents moved to
config/i386/freebsd.h.
* configure.in: Adjust for above changes.
* po/POTFILES.in: Likewise.
* po/en_GB.po: Likewise.
* po/gcc.pot: Likewise.
* configure: Rebuilt.
Approved by: Richard Henderson <rth@cygnus.com>
Message-ID: <20000927093029.A30906@cygnus.com>
From-SVN: r36662
2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* doloop.c (doloop_modify): Prevent delete_insn() from
deleting too much. Prefer loop->top over loop->start as
target for the new JUMP insn.
(doloop_valid_p): Ignore loop with exit_count != 0.
From-SVN: r36661
* cpperror.c (_cpp_begin_message): Do the test for suppression
of warnings and pedantic warnings before the "is a warning an
error" tests.
* cppinit.c (cpp_handle_option): Remove surplus \n.
* cpplex.c (ON_REST_ARG): Delete.
(skip_block_comment): Initialise prevc.
(parse_args): Improve error messages.
(maybe_paste_with_next): Use CONTEXT_VARARGS rather
than ON_REST_ARG.
* cpplib.c (cpp_push_buffer): Fix grammar in message.
* cppmain.c (main): Set callbacks for #ident and #pragma
only if no_output option is false.
(do_pragma_implementation): Only call the #pragma handler
if it is set in the cpp_reader structure.
From-SVN: r36655
* gcc.c (cpp_options): Add spec for -ftabstop=.
(invoke_as): New spec that handles invoking as.
Update specs to handle -save-temps and -traditional.
* ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
Use invoke_as.
* cp/lang-specs.h, objc/lang-specs.h: Update to use
invoke_as, and handle -save-temps and -traditional (if
appropriate).
From-SVN: r36646
* config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
op0 is a SUBREG.
(function_arg_slotno): Accept TImode/CTImode.
* config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
to UNITS_PER_WORD.
* gcc.c-torture/compile/20000923-1.c: New test.
From-SVN: r36645
* config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
(REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
(LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
(REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
From-SVN: r36640
* cpplex.c (parse_args): Don't set VOID_REST flag.
(Fix diagnostic merge problem).
(CONTEXT_VARARGS): New flag.
(maybe_paste_with_next): Set context earlier in loop. Use
it. Do varargs test with CONTEXT_VARARGS flag.
(push_arg_context): Set CONTEXT_VARARGS flag if we're
pushing an argument context for a varargs argument.
* cpplib.h (VOID_REST): Delete.
* gcc.dg/cpp/vararg1.c: Add test case.
From-SVN: r36638
2000-09-26 Philipp Thomas <pthomas@suse.de>
* Makefile.in.in: Remove stamp-check-pot from list
of default targets as checks are only possible in a
complete source tree and all languages configured.
From-SVN: r36637
2000-09-25 Branko Cibej <branko.cibej@hermes.si>
* flags.h: Declare warning flag warn_system_headers.
* toplev.c: Define it.
(W_options): Add option -Wsystem-headers.
* diagnostic.c (count_error): Test warn_system_headers.
* invoke.texi: Add description for -Wsystem-headers.
* cpplib.h (cpp_options): New member warn_system_headers.
* cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
CPP_IN_SYSTEM_HEADER.
* cpplib.c (do_import, do_pragma_once): Likewise.
* cpperror.c (_cpp_begin_message): Test warn_system_headers
and CPP_IN_SYSTEM_HEADER.
* cppinit.c (handle_option): Recognize -Wsystem_headers.
(print_help): Describe -Wsystem_headers.
* cpplex.c (lex_line): Reorganize condition so that warnings
about C++ comments in system headers can be enabled. Remove
label do_line_comment.
From-SVN: r36636
* cpplex.c (save_comment): Only store the initial '/'
now.
(lex_token): Combine handling of the two comment types.
Pass everything but the initial '/' to save_comment.
From-SVN: r36635
