* fold-const.c (fold): Handle more simplifications allowed by IEEE.

Co-Authored-By: Sylvian Pion <Sylvain.Pion@sophia.inria.fr>

From-SVN: r29994

        * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
        instead of general_operand in a SET_DEST.  Use const_double_operand
        instead of an explicit test against CONST_DOUBLE.
        (movsf_const_lo): Add missing register mode.
        (goto_handler_and_restore): Add auxiliary test for Pmode.
        (flush): Adjust to use address_operand.
        (return_sf_no_fpu): Add missing output constraint.

From-SVN: r29993

        * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
        for call return value.
        (call_value_indirect_aix64, call_value_indirect_nt): Likewise.

From-SVN: r29992

	* toplev.c (main): Only warn about options for other languages.
	* collect2.c (main): Pass -w to sub-gcc.

From-SVN: r29991

        * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
        zapping mem_set_list.
        (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
        (mark_set_1, mark_used_regs): Likewise.

From-SVN: r29990

        * flow.c (propagate_block): Add call-clobbered registers to
        significant too.

From-SVN: r29989

From-SVN: r29988

From-SVN: r29987

From-SVN: r29986

From-SVN: r29985

From-SVN: r29984

From-SVN: r29983

	* execute/memcheck/memcheck.exp: Make sure a remote
	host is equipped with driver.h and driver.o so it can actually
	compile and run the tests.

From-SVN: r29982

jcf-dump.c (print_constant, [...]): Don't call a variadic function with a non-literal format string.

	* jcf-dump.c (print_constant, disassemble_method): Don't call a
	variadic function with a non-literal format string.

	* parse-scan.y (report_main_declaration): Likewise.

	* parse.h (ERROR_CAST_NEEDED_TO_INTEGRAL): Likewise.

	* parse.y (read_import_dir, patch_assignment, patch_binop,
	patch_array_ref): Likewise.

	* typeck.c (build_java_array_type): Likewise.

	* verify.c (verify_jvm_instructions): Likewise.

From-SVN: r29981

	* invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
	-Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
	options. Also add a new item "C-only Warning Options" to the
	option summary.

From-SVN: r29980

	* libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
	from multiple calls.

From-SVN: r29979

        * i386.md (call value patterns): Move to the end of the file.
        (prologue_set_got, prologue_get_pc): Use register_operand for op 0.

From-SVN: r29978

        * configure.in (djgpp configuration): Define extra_objects..
        * configure: Rebuilt.
        * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
        (DTORS_SECTION_ASM_OP): Define.
        (INIT_SECTION_ASM_OP): Define.
        (FINI_SECTION_ASM_OP): Define.
        (DATA_SECTION_ASM_OP): Define.
        (TEXT_SECTION_ASM_OP): Define.
        (EH_FRAME_SECTION_ASM_OP): Define.
        (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
        (STARTFILE_SPEC): Add crtbegin.o.
        (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
        to here from LINK_COMMAND_SPEC.
        (DO_GLOBAL_CTORS_BODY): Define.
        (CRTSTUFF_USE_FINI_SECTION): Define
        (HAS_INIT_SECTION): Delete.

From-SVN: r29977

From-SVN: r29976

From-SVN: r29975

        * genrecog.c (validate_pattern): Condense the destination
        non-lvalue message.

From-SVN: r29974

1999-10-13  Andrew Haley  <aph@cygnus.com>

	* class.c (finish_struct_1): Force alignment of non-bitfields to
	BITS_PER_UNIT.

From-SVN: r29973

        * i386.h (SPECIAL_MODE_PREDICATES): New.
        * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
        (movqi_1, movdi_1, movdi_2, some splits): Likewise.
        (addsi_lea_3): Add missing mode for op 3.
        (prologue_set_got, prologue_get_pc): Add missing modes.
        (*) Add missing output reload constraints.

From-SVN: r29972

        * alpha.md (call-1): Supply missing mode for operator.
        (*): Add missing output reload constraints.  Remove constraints
        from define_splits.

From-SVN: r29971

From-SVN: r29970

        * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
        check for member bit-size overflow and use var_size if it occurs.
        (layout_record): Use bitsize_int() to define the type size in bits.
        Likewise for computation and assignment to DECL_FIELD_BITPOS.
        (layout_decl): Likewise when assigning to DECL_SIZE.

From-SVN: r29969

        * genrecog.c (validate_pattern): Typo last change.  Verify
        that output operands have output reloads.

From-SVN: r29968

        * genrecog.c (special_mode_pred_table): New.
        (NUM_SPECIAL_MODE_PREDS): New.
        (find_operand): New.
        (validate_pattern): New argument `insn'.  Warn for assignment to
        any predicate accepting non-lvalues.  Conditionaly warn for
        match_operand without a mode.  Try much harder to match source
        and destination modes on a set.
        * tm.texi (SPECIAL_MODE_PREDICATES): Document.

From-SVN: r29967

From-SVN: r29966

        * combine.c (simplify_logical): Recognize xor pattern that encodes
        rotation.

From-SVN: r29965

        * libU77/acconfig.h: Define GETTIMEOFDAY_ONE_ARGUMENT and
        HAVE_TIMEZONE in acconfig.h.
        * libU77/config.hin: Rebuilt.

From-SVN: r29964

From-SVN: r29963

        * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
        alignment.

From-SVN: r29962

From-SVN: r29961

        * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
        * sparc.h (PREDICATE_CODES): Update.

From-SVN: r29960

        * alpha.c (some_ni_operand): New.
        * alpha-protos.h: Declare it.
        * alpha.h (PREDICATE_CODES): Update.
        * alpha.md (sXaddq reload insns): Use some_ni_operand
        for SET_DEST instead of some_operand.

From-SVN: r29959

        * genrecog.c (maybe_both_true_2): Don't compare modes of
        two DT_pred tests.
        (process_tree): Elide peephole2_insns.  Invoke simplify_tests
        after find_afterward.
        (debug_decision_1): Dump next and afterward codes.

Co-Authored-By: Jim Wilson <wilson@cygnus.com>

From-SVN: r29958

        * rtl.c (dump_and_abort): Remove.
        (fatal_with_file_and_line): New.
        (fatal_expected_char): New.
        (read_rtx_lineno, read_rtx_filename): New.
        (read_skip_spaces): Track line number.
        (read_name): Use fatal_with_file_and_line.
        (read_rtx): Use fatal_expected_char.  Track line number.
        * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.

        * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
        if it isn't a CODE_LABEL.

        * genattr.c (main): Set read_rtx_filename.
        * genattrtab.c (main): Likewise.
        * gencodes.c (main): Likewise.
        * genconfig.c (main): Likewise.
        * genemit.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genflags.c (main): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genpeep.c (main): Likewise.

        * genrecog.c (decision_test.u.insn): Add `lineno'.
        (pattern_lineno, error_count): New variables.
        (message_with_line): New.
        (add_to_sequence): Break out checking code to ...
        (validate_pattern): ... here.  Detect SET_DEST matching CONST_INT.
        (merge_insn): Use message_with_line.
        (make_insn_sequence): Use validate_pattern.  Record insn lineno.
        (main): Set read_rtx_filename, pattern_lineno.  Exit early on error.

From-SVN: r29957

	* expr.c (store_constructor): Clear union if constructor is empty.
cp:
	* typeck2.c (process_init_constructor): Handle empty constructors.
testsuite:
	* g++.old-deja/g++.other/union2.C: New test.

From-SVN: r29956

From-SVN: r29955