While building global lifetime information, keep track of which registers are only conditionally set.

While building global lifetime information, keep track of which registers are
only conditionally set.  Use this to force rescans in more cases where they
are needed.

From-SVN: r37801

	* gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
	T register.

From-SVN: r37800

* arm.c (select_dominance_cc_mode): Handle new way that combine
canonicalizes conditional compares.
(arm_select_cc_mode): Likewise.
* arm.md: Garbage collect some dead code.
(cmp_and, cmp_ior): New patterns.
(splitter for conditional move with inverted false): Use cond_exec
and handle unordered comparisons.

From-SVN: r37799

From-SVN: r37798

	* i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
	* i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
	* i386.md (float?i?f, int/fp operations): Rewrite spliters to use
	ix86_force_to_memory and ix86_free_from_memory.

From-SVN: r37797

* arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
one_cmpldi2): Merge with splitters to create define_insn_and_split
patterns.  Remove redundant splits.
(peephole2 for add:SI of invalid immediate): New.
(peephole2 for minus:SI of invalid immediate): New.
(peephole2 for ior:SI of invalid immediate): New.
(peephole for merge of move and compare): Convert ot peephole2.
(addsf3, adddf3): Mark as commutative.

* arm.md (thumb peephole for merging stack adjustments): Convert to
peephole2.

From-SVN: r37796

From-SVN: r37795

From-SVN: r37794

cp:
	* decl.c (grokfndecl): Undo COMPONENT_REF damage caused by
	bison parser ickiness.
	* pt.c (tsubst_friend_function): Enter namespace scope when
	tsubsting the function name.
	* cp-tree.h (DECL_TI_TEMPLATE): Update comment to reflect reality.
testsuite:
	* g++.old-deja/g++.other/friend46.C: New test.

From-SVN: r37793

From-SVN: r37792

cp:
	* cp-tree.h (binfo_from_vbase): Return the virtual base's binfo.
	* cvt.c (cp_convert_to_pointer): Add force parameter.
	Allow conversions via virtual base if forced.
	(convert_to_pointer_force): Adjust call to cp_convert_to_pointer.
	(ocp_convert): Likewise.
	* search.c (binfo_from_vbase): Return the virtual base's binfo.
	* typeck.c (get_delta_difference): Adjust handling of virtual
	bases.
testsuite:
	* g++.old-deja/g++.other/ptrmem8.C: New test.

From-SVN: r37791

* configure.in (extra_objs): Enclose extra_headers in quotes.
* configure: Rebuilt.

From-SVN: r37790

2000-11-27  Gabriel Dos Reis  <gdr@codesourcery.com>

	* tests_flags.in: Update documentation to reflect the change
	below.

From-SVN: r37789

From-SVN: r37788

From-SVN: r37787

From-SVN: r37786

2000-11-27  Bryce McKinlay  <bryce@albatross.co.nz>

	* java/util/Vector.java (ensureCapacity): Don't increment modCount.
	(addElement): Don't increment elementCount twice. Doh.
	* java/util/ArrayList.java (add): Only call ensureCapacity if the
	array needs to be expanded.
	(addAll): Ditto.
	* java/util/Collections.java (UnmodifiableCollection): Implement
	toString().
	(UnmodifiableList): Throw UnsupportedOperationException from
	modification methods. Set `l' from the one-parameter constructor.
	(UnmodifiableMap): Implement toString().
	(SynchronizedCollection): Ditto.
	(SynchronizedList): Set `l' from the one-parameter constructor.
	(SynchronizedSortedSet): Set `ss' from the one-parameter constructor.
	(SynchronizedMap): Implement toString().

From-SVN: r37785

        * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
        Combine into the new function cb_change_file.
        (init_c_lex): Update.
        * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
        (cpp_syshdr_flags): Delete.
        * cpphash.h (_cpp_do_file_change): New prototype.
        Move struct cpp_buffer here from...
        * cpplib.h (struct cpp_buffer): ... here.
        (enum cpp_fc_reason, struct cpp_file_loc,
        struct_cpp_file_change, change_file): New.
        (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
        * cpplib.c (do_line): Update for new cb_change_file callback.
        (_cpp_do_file_change): New function.
        (_cpp_pop_buffer): Update to use it.
        * cppmain.c (move_printer): Delete.
        (main): Set up single callback cb_change_file.
        (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
        (cb_change_file): New.
        * fix-header.c (cur_file, cb_change_file): New.
        (recognized_function, read_scan_file): Update.
        * scan-decls.c (scan_decls): Update.
        * scan.h (recognized_function): Update prototype.

From-SVN: r37784

	* tree.h (mark_tree_hashtable): New function.
	* tree.c (mark_tree_hashtable_entry): New function.
	(mark_tree_hashtable): Likewise.

	* tree.c (struct list_hash): Remove.
	(list_hash_table): Make it be an htab.
	(struct list_proxy): New type.
	(list_hash_eq): New function.
	(list_hash_pieces): Renamed from ...
	(list_hash): ... this.
	(list_hash_lookup): Remove.
	(list_hash_add): Remove.
	(hash_tree_cons): Use the generic hashtable.
	(mark_list_hash): Remove.
	(init_tree): Create the hashtable.

From-SVN: r37783

From-SVN: r37782

Fix rename registers problem; Rewrite 64-bit conditionals in terms of COND_EXEC instead of IF_THEN_ELSE

From-SVN: r37781

2000-11-26  Benjamin Kosnik  <bkoz@fillmore.constant.com>

	* tests_flags.in: Export CXX, CXXFLAGS.
	* mkcheck.in: Grab them.

2000-11-26  David Billinghurst  <David.Billinghurst@riotinto.com>
	    Benjamin Kosnik  <bkoz@redhat.com>

        * mkcheck.in: Add exe extension to printnow executable, abstract
	out call to this with TIMER_COMMAND.
	* configure.target (l_glibcpp_cxxflags): Add cygwin support.
	* acinclude.m4 (GLIBCPP_CHECK_CTYPE_SUPPORT): Correct paths.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r37780

From-SVN: r37779

testsuite:
        * gcc.c-torture/execute/string-opt-7.c: New test.
        * gcc.c-torture/execute/string-opt-8.c: Likewise.

From-SVN: r37778

	* builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
	functions.
	(expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.

	* builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.

	* c-common.c (c_common_nodes_and_builtins): Declare builtin
	strncpy and strncmp.

	* extend.texi (strncmp, strncpy): Document new builtins.

testsuite:
	* gcc.c-torture/execute/string-opt-7.c: New test.
	* gcc.c-torture/execute/string-opt-8.c: Likewise.

From-SVN: r37777

	* config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
	a list, to keep track of the sections.
	* tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
	parameter provided will always be a canonical string.

From-SVN: r37776

	* hashtab.c (higher_prime_number): Use a table, rather than a
	seive, to find the next prime.

From-SVN: r37775

From-SVN: r37774

From-SVN: r37773

	* Makefile.in: Rebuilt.
	* Makefile.am (core_java_source_files): Added
	RuntimePermission.java.
	* java/lang/RuntimePermission.java: Imported from Classpath.
	* java/lang/Thread.java (getContextClassLoader): Now
	synchronized.  Added security code.
	(setContextClassLoader): Likewise.

From-SVN: r37772

	* prims.cc (_Jv_NewObjectArray): Use const_cast to initialize
	length field of array.
	(_Jv_NewPrimArray): Likewise.
	* gcj/array.h (__JArray): `length' field now const.  Added
	constructor.

From-SVN: r37771

From-SVN: r37770

2000-11-26  Benjamin Kosnik  <bkoz@redhat.com>

	* testsuite/27_io/istream_unformatted.cc (test05): Fixup.

From-SVN: r37769

2000-11-26  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4: Only sanity check for compiler version when
	configuring. More fixes for 'make clean'.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r37768

From-SVN: r37767

	* RELEASE-PREP: Remove obsolete EGCS reference.
	* g77.texi: Adjust reference to EGCS as something current.
	* lang-options.h (FTNOPT): Remove macro and obsolete comment.
	Include doc strings directly in option listing instead of through
	this macro.
	* root.texi: Remove support for multiple different (FSF and EGCS)
	distributions of g77.
	* g77install.texi: Remove conditioned out instructions applying
	only to obsolete distributions of g77 not as part of GCC.  Change
	"superceded" to the correct spelling "superseded".

From-SVN: r37766

f:
	* g77spec.c (lang_specific_driver): Update copyright year to 2000.

java:
	* gjavah.c (version), jcf-dump.c (version), jv-scan.c (version):
	Update copyright year to 2000.

From-SVN: r37765

        * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
        current buffer.

From-SVN: r37764

From-SVN: r37763

        * dwarf2out.c (output_file_names): New function.  Compute minimal
        combination of directory and file name table and emit them.
        (output_line_info): Remove code to emit directory and file name
        table and call output_file_names instead.
        (file_info_cmp): Helper function to sort directory names.

From-SVN: r37762