From-SVN: r55708

2002-07-24  Frank van der Linden  <fvdl@wasabisystems.com>

	PR optimization/7291
	* config/i386/i386.c (ix86_expand_clrstr): Fix bzero alignment
	problem on x86_64.

2002-07-24  Roger Sayle  <roger@eyesopen.com>

	* gcc.c-torture/execute/memset-3.c: New testcase.

From-SVN: r55704

	* pretty-print.h: Add macros from cp/error.c
`:w

From-SVN: r55703

2002-07-23  Benjamin Kosnik  <bkoz@redhat.com>

	* docs/html/documentation.html: Remove libstdc++-v3.0.86 links,
	confusing usage of "latest."
	De-tangle contributor information from introductory notes.
	Move abi.txt link placement, activate.
	Re-organize.
	Move chapter info into old FAQ format.
	* docs/html/organization.html: Removed, obsoleted by doxygen work.
	* docs/html/abi.txt: Add notes on testing ABI changes.

From-SVN: r55702

	* config/rs6000/rs6000-protos.h (mask_operand_wrap): Declare.
	(mask64_2_operand): Declare.
	(build_mask64_2_operands): Declare.
	(and64_2_operand): Declare.
	(extract_MB): Declare.
	(extract_ME): Declare.
	* config/rs6000/rs6000.c (mask64_operand): Allow all ones.  Remove
	CONST_DOUBLE code.
	(mask_operand_wrap): New insn predicate.
	(mask64_2_operand): Likewise.
	(and64_2_operand): Likewise.
	(build_mask64_2_operands): New function.
	(extract_MB): New function.
	(extract_ME): New function.
	(print_operand <case m,M>): Use extract_MB and extract_ME.
	(print_operand <case S>): Allow all ones.  Remove CONST_DOUBLE support.
	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 't'.
	(PREDICATE_CODES): Add and64_2_operand, mask_operand_wrap and
	mask64_2_operand.  Remove CONST_DOUBLE from mask64_operand.
	* config/rs6000/rs6000.md (andsi3_internal3): New
	(andsi3_internal3+1): Enable split for powerpc64.
	(andsi3_internal3+2): New split.
	(andsi3_internal4): Renamed old andsi3_internal3.
	(andsi3_internal5): New.
	(andsi3_internal5+1): Enable split for powerpc64.
	(andsi3_internal5+2): New split.
	(andsi3_internal6, andsi3_internal7, andsi3_internal8): New.
	(anddi3): Handle 't' constraint.
	(anddi3+1): New split.
	(anddi3_internal2): Handle 't' constraint.
	(anddi3_internal2+1): New split.
	(anddi3_internal3): Handle 't' constraint.
	(anddi3_internal3+1): New split.

From-SVN: r55701

From-SVN: r55700

	* config/rs6000/rs6000.md: Remove scratch reg on insns using
	addze and similar (plus (comparison r1 r2) r3) insns.  Add
	missing scratch reg in one case.  Formatting fixes.

From-SVN: r55695

	* config/mips/linux.h (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL):
	Remove.

From-SVN: r55693

	* cppexp.c (parse_defined): Mark macro used.
	* cpphash.h (struct cpp_macro): New member "used".
	(_cpp_mark_macro_used, _cpp_warn_if_unused_macro): New.
	(struct cpp_reader): New member.
	* cppinit.c (cpp_finish_options): Set first_unused_line.
	(cpp_finish): Warn of unused macros if requested.
	(OPT_TABLE): New switches.
	(cpp_handle_option): Handle them.
	* cpplib.c (do_undef): Warn if macro unused.
	(do_ifdef, do_ifndef): Mark macro used.
	* cpplib.h (struct cpp_options): New member.
	* cppmacro.c (_cpp_warn_if_unused_macro): New.
	(enter_macro_context): Mark macro used.
	(_cpp_create_definition): Mark macro unused; warn if unused
	when redefined.
	* cpptrad.c (scan_out_logcial_line, push_replacement_text):
	Mark macros used.
	* doc/cppopts.texi: Update.
testsuite:
	* gcc.dg/cpp/trad/Wunused.c, gcc.dg/cpp/trad/Wunused.h,
	gcc.dg/cpp/Wunused.c, gcc.dg/cpp/Wunused.h: New tests.

From-SVN: r55692

From-SVN: r55691

	* dwarf2out.c (SECTION_ASM_OP,
	ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Remove.
	* system.h (SECTION_ASM_OP): Poison.
	* tree.c (FILE_FUNCTION_PREFIX_LEN): Remove.
	* config/alpha/alpha-interix.h, config/mips/linux.h
	(ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Remove.
	* config/mmix/mmix-protos.h, config/mmix/mmix.c
	(mmix_asm_output_define_label_difference_symbol): Remove.
	* config/mmix/mmix.h
	(ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Remove.
cp:
	* cp-tree.h (FILE_FUNCTION_PREFIX_LEN): Remove.

From-SVN: r55690

	* recog.c (asm_operand_ok): Allow float CONST_VECTORs for 'F'.
	(constrain_operands): Likewise.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads): Likewise.
	* doc/md.texi: Likewise.

From-SVN: r55689

	* gcc.c-torture/execute/va-arg-15.x, va-arg-16.x, va-arg-17.x:
	Delete.

From-SVN: r55688

gcc:
	* reload.c (find_reloads_toplev): Use simplify_gen_subreg.
	* simplify-rtx.c (simplify_subreg): When converting to a non-int
	mode, try to convert to an integer mode of matching size first.

gcc/testsuite:
	* gcc.c-torture/compile/simd-4.c: New test.

From-SVN: r55687

	* simplify-rtx.x (simplify_subreg): When constructing a CONST_VECTOR
	from individual subregs, check that each subreg has been generated
	sucessfully.

From-SVN: r55686

	* genautomata.c (VLA_HWINT_SHORTEN, VLA_HWINT_LAST): Remove.
	* df.c (HANDLE_SUBREG, FOR_EACH_BB_IN_BITMAP_REV,
	FOR_EACH_BB_IN_SBITMAP): Remove.
	* gcse.c (NEVER_SET, FOLLOW_BACK_EDGES): Remove.
	* haifa-sched.c (DONE_PRIORITY, MAX_PRIORITY, TAIL_PRIORITY,
	LAUNCH_PRIORITY, DONE_PRIORITY_P, LOW_PRIORITY_P): Remove.
	* loop.c (PREFETCH_BLOACK_IN_LOOP_MIN,
	PREFETCH_LIMIT_TO_SIMULTANEOUS): Remove.
	* regrename.c (REGNO_MODE_OK_FOR_BASE_P): Remove.

From-SVN: r55685

2002-07-23  Gabriel Dos Reis  <gdr@nerim.net>

	* pretty-print.h: New file.

From-SVN: r55684

	* real.c (REAL_WORDS_BIG_ENDIAN): Make 1 for DEC.
	(LARGEST_EXPONENT_IS_NORMAL): Ditto.
	(VAX_HALFWORD_ORDER): Define (1 for DEC VAX, 0 otherwise).
	(TARGET_G_FLOAT): Default to 0 if not defined.
	(ieeetoe): New, common routine to convert target format floats
	to internal form.
	(e24toe, e53toe): Change to use ieeetoe, distinguish DEC
	vs. others.
	(e113toe): Change to use ieeetoe.
	(REAL_WORDS_BIG_ENDIAN): Make sure it is 0 for DEC and 1 for
	IBM.
	(e53toe): Assume IEEE if non of DEC, IBM and C4X is defined.
	(e64toe): Remove special cases for DEC and IBM. Remove support for
	ARM_EXTENDED_IEEE_FORMAT.
	(e24toe): Remove special cases for DEC.
	(significand_size): Simplify. Indent.
	(ieee_format, ieee_24, ieee_53, ieee_64, ieee_113): New.
	(etoieee, toieee): New.
	(etoe113, toe113, etoe64, toe64, etoe53, toe53, etoe24, toe24): Use
	etoieee and toieee for IEEE arithmetic.

From-SVN: r55683

From-SVN: r55681

2002-07-23  Gabriel Dos Reis  <gdr@nerim.net>

	* doc/extend.texi: Say ISO C90, not ISO C89.
	* doc/invoke.texi: Likewise.
	* doc/standards.texi: Likewise.

From-SVN: r55680

	* gcc/explow.c (convert_memory_address): Fix conversion of CONSTs.
	Fix permutation of conversion and plus/mult.

	* gcc/builtins.c (expand_builtin_memcpy) Ensure return pointer is
	ptr_mode and not Pmode when POINTERS_EXTEND_UNSIGNED is defined.
	(expand_builtin_strncpy) Ditto.
	(expand_builtin_memset) Ditto.

From-SVN: r55679

2002-07-21  Gabriel Dos Reis  <gdr@nerim.net>

        Fix PR/7363:
        * c-common.c (c_sizeof_or_alignof_type): New function.
        (c_alignof): Remove definition.
        * c-common.h (c_sizeof, c_alignof): Define as macros.
        (c_sizeof_or_alignof_type): Declare.
        (my_friendly_assert): Moved from cp/cp-tree.h
        * c-typeck.c (c_sizeof): Remove definition.

cp/

2002-07-21  Gabriel Dos Reis  <gdr@nerim.net>

        Fix PR/7363:
        * typeck.c (cxx_sizeof_or_alignof_type): New function.
        (c_sizeof): Remove definition.
        (expr_sizeof): Use cxx_sizeof.
        * decl2.c (build_expr_from_tree): Use cxx_sizeof_or_alignof_type.
        * decl.c (finish_destructor_body): Use cxx_sizeof.
        * semantics.c (finish_alignof): Likewise.
        (finish_alignof): Use cxx_alignof.
        * cp-tree.h (cxx_sizeof, cxx_alignof): New macros.
        (cxx_sizeof_or_alignof_type): Declare.
        (my_friendly_assert): Move to ../c-common.h.

From-SVN: r55678

2002-07-23  Jan Hubicka  <jh@suse.cz>

	* gcse.c (try_replace_reg): Use num_changes_pending.
	* recog.c (num_changes_pending): New function.
	(validate_replace_src): Use validate_repalce_src_group.
	(validate_replace_src_group): New.
	* recog.h (validate_repalce_src_group): New.
	(num_changes_pending): Likewise.

From-SVN: r55677

	* calls.c (emit_library_call_value_1): If
	FUNCTION_ARG_PASS_BY_REFERENCE is true, pretend this is neither
	libcall, const call nor pure call.

From-SVN: r55676

From-SVN: r55673

From-SVN: r55668

From-SVN: r55667

From-SVN: r55666

	* defaults.h (obstack_chunk_alloc, obstack_chunk_free):
	Default definition.
	* gcse.c: Don't define obstack_chunk_free.
	* collect2.c, conflict.c, df.c, diagnostic.c, fix-header.c,
	flow.c, gcc.c, genattrtab.c, genautomata.c, genflags.c, gensupport.c,
	integrate.c, loop.c, ra.c, read-rtl.c, regrename.c, reload1.c,
	reorg.c, tlink.c, tree.c, config/arm/arm.c, objc/objc-act.c:
	Don't define obstack macros.
cp:
	* class.c, method.c, pt.c, search.c: Similarly.

From-SVN: r55665

From-SVN: r55664

From-SVN: r55663

       * gnu/java/security/provider/MD5.java: Extends MessageDigest, not
       MessageDigestSpi (fixes Classpath bug #783).

From-SVN: r55661

       * gnu/java/security/provider/Gnu.java: Reference all implementation
       classes by using Class.getName().

From-SVN: r55660

	PR target/6744
	* config/m68hc11/m68hc11.c (m68hc11_z_replacement): Also replace
	ASM_OPERANDS instructions.

From-SVN: r55659

	PR target/7361
	* config/m68hc11/m68hc11.c (go_if_legitimate_address_internal): Accept
	constant addresses only on 68HC12.

From-SVN: r55658

	* cppfiles.c (stack_include_file): Correct test of whether
	a dependency should be output.

From-SVN: r55657

From-SVN: r55656

* arm.md (movqi): If optimizing and we can create pseudos, use
a ZERO_EXTEND to load from memory, then copy the result into the
target.
(movhi): Likewise, but only for ARMv4.

From-SVN: r55655

From-SVN: r55654

	* config/mips/mips.h (CLASS_CANNOT_CHANGE_MODE): Include FP_REGS
	on big-endian targets.

From-SVN: r55653