[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2002-03-19  Richard Henderson  <rth@redhat.com>

        * flow.c (EH_USES): Provide default.
        (calculate_global_regs_live): Use it for EH edges and noreturn calls.
        * doc/tm.texi (EH_USES): New.

        * config/ia64/ia64.c (ia64_eh_uses): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (EH_USES): New.

2002-03-19  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_def): Fix stupid typo.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5879
        * except.c (current_function_has_exception_handlers): New.
        * except.h: Declare it.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
        Combine tests that disable all sibcalls for the function.

2002-03-19  Olivier Hainque  <hainque@act-europe.fr>

        * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
        for INTEGER_CST.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5977, 5991
        * config/ia64/ia64.c: Revert 2002-03-01 patch.
        * config/ia64/ia64.h (INIT_EXPANDERS): New.

2002-03-19  Jim Blandy  <jimb@redhat.com>

        * cppmacro.c (cpp_macro_definition): Emit a space after the macro
        name, even if the replacement list contains no tokens, as required
        by Dwarf.

2002-03-19  Jason Merrill  <jason@redhat.com>

        * varasm.c (globalize_decl): Get the name from the RTL, not
        DECL_ASSEMBLER_NAME.

        * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.

2002-03-19  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
        subdi_carry): Define.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Only warn
        about -fpic/-fPIC if extra_warnings set.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (expand_expr): Sign-extend CONST_INT generated from
        TREE_STRING_POINTER.
        * fold-const.c (fold): Delete #if 0 ARRAY_REF case.

Tue Mar 19 14:12:32 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
        in favor of SP if FRAME_POINTER_REQUIRED is false.

2002-03-19  Lars Brinkhoff  <lars@nocrew.org>

        * emit-rtl.c (gen_int_mode): New function.
        * rtl.h: Prototype for it.
        * combine.c (make_extraction, simplify_comparison), expmed.c
        (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
        (convert_modes, store_field), optabs.c (expand_fix),
        simplify-rtx.c (neg_const_int, simplify_unary_real),

        * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
        Use it instead of GEN_INT (trunc_int_for_mode (...)).

2002-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/5656
        * langhooks.h (struct lang_hooks_for_tree_inlining): Add
        convert_parm_for_inlining.
        * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
        Define.
        * langhooks-def.h: Likewise.
        * objc/objc-lang.c: Likewise.
        * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
        function.
        * tree-inline.c (initialize_inlined_parameters):
        Call convert_parm_for_inlining lang hook if needed.
        * c-typeck.c (c_convert_parm_for_inlining): New function.
        * c-tree.h (c_convert_parm_for_inlining): Add prototype.

2002-03-18  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (precompute_arguments): Do not assume that temporaries 
        can be destroyed after expanding the argument.
        (expand_call): Likewise.

2002-03-15  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md (movdf_internal2): Add two new move constraints.
        Fix register preference on last change.
        * config/mips/mips.c (mips_return_in_memory): New function.
        * config/mips/mips.h (RETURN_IN_MEMORY): Use.
        * config/mips/mips-protos.h: Declare.
        * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
        * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.

2002-03-18  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
        a register too.
        (anddi3, iorsi3): Likewise.

        * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
        use %gprel for symbols that are going to be placed in linkonce
        sections.

        * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
        RETURN_ADDRESS_POINTER_REGNUM to $ra.
        (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
        not needed.  Disregard leaf_function_p().
        (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
        mips16 frame pointer.
        * config/mips/mips.md (store ra): Only to small SP offsets.
        2001-08-22  Graham Stott  <grahams@redhat.com>
        * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
        return a REG rtx for the return address register.

2002-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
        constant-pool addresses as "mode-dependent".
        (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.

2002-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/5740
        * expr.c (emit_group_load): Use extract_bit_field if
        needed for CONCAT arguments.

2002-03-18  Richard Earnshaw  <rearnsha@arm.com>

        PR target/4863
        * arm.md (tablejump): Make this a define_expand.  For PIC add the
        offset to the base of the table.
        (thumb_tablejump): Matcher for Thumb tablejump insn.
        * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
        as the difference of two labels.
        * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
        tables in the code.
        * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
        * arm.c (get_jump_table_size): If the table is not in the text
        section, return zero.

2002-03-18  Bernd Schmidt  <bernds@redhat.com>

        * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
        of gen_rtx_SUBREG.
        (arm_reload_out_hi): Use gen_lowpart instead of
        gen_rtx_SUBREG to access QImode components.
        * config/arm/arm.md: Disable zero_extend split for QImode
        subregs in BIG_ENDIAN mode.
        (storehi_bigend): Match use of least significant byte.
        (storeinthi): Remove extraneous SUBREG.
        Add missing construction of operands[2].
        (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
        (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
        Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.

2002-03-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
        any_operand.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
        explicitly.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
        (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).

2002-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ifcvt.c (dead_or_predicable): Fix uninitialized variable.

        * predict.c (estimate_bb_frequencies): Delete unused variables.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_attribute_table): Move before
        targetm definition.  Make static.

2002-03-17  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.h (yyparse, c_common_parse_file): New.
        * c-lang.c: Include c-common.h.
        (LANG_HOOKS_PARSE_FILE): Redefine.
        * c-lex.c: Include c-common.h.
        (yyparse): Rename c_common_parse_file.  Call yyparse.
        * c-parse.in (yyparse): Remove macro.
        * c-tree.h (yyparse_1): Remove.
        * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hoooks): New hook parse_file.
        * toplev.c (compile_file): Use parse_file hook.
        * tree.h (yyparse): Remove.
        * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
        float_truncate, not fix.
        ("*truncdfsf2_real"): Ditto.
        ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.

        * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.

2002-03-16  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
        (s8), but rather HARD_FRAME_POINTER_REGNUM.  Add parentheses
        where appropriate.  Make the second reference to
        leaf_function_p a function call, as intended.  Reindented.

        * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
        * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.

        * config/mips/mips.md (addsi3, adddi3): Use scratch register to
        add register to non-constant into sp.

        * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
        * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
        (mips16_gp_pseudo_rtx): Lose.
        (INIT_EXPANDERS): Deleted.
        * config/mips/mips.c (mips_init_machine_status): New.
        (mips_free_machine_status): New.
        (mips_mark_machine_status): New.
        (override_options): Set them.
        (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
        (struct machine_function): ... new.  Replaced all references.
        (mips_add_gc_roots): Don't mark them.
        (embedded_pic_fnaddr_reg): New, extracted from...
        (embedded_pic_offset): ... here.
        * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
        (movsi): Likewise.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c: Revert -MD removal.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
        soft registers by default for 68HC12.
        (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
        when compiling with -fomit-frame-pointer.
        (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
        (expand_epilogue): Likewise.
        (m68hc11_gen_rotate): Use exg when rotating by 8.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
        * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
        (splits): Remove unused add splits.
        ("*addhi3_68hc12"): Tune constraints.
        ("addhi_sp"): Try to use X instead of Y in all cases and if the
        constant fits in 8-bits and D is dead use abx/aby instructions.
        ("*addhi3"): Remove extern declaration of ix_reg.
        ("*subsi3"): Optimize and provide new split.
        ("subhi3"): Cleanup.
        ("*subhi3_sp"): Avoid saving X if we know it is dead.
        (arith splits): For 68hc12 save the address register on the stack
        and do the arithmetic operation with a pop.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
        allocating QImode in address registers.
        ("*movqi_m68hc11"): Likewise.

Sat Mar 16 12:57:28 CET 2002  Jan HUbicka  <jh@suse.cz>

        * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (print_help): Display -MD and -MMD.
        Don't display usage string.  Update assertion syntax and
        typo.
        (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
        (cpp_handle_option): Update.

2002-03-15  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
        MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
        and define it so that regardless of target CPU size,
        __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
        of "int" rather than "long."

2002-03-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
        size as a tree.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
        ("tstqi" split): Avoid using memory for tstqi on address register.
        (splits): Remove constraints.
        ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
        ("cmpdf", "cmpsf"): Remove since not used.
        ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
        (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
        ("neghi2"): Tighten constraints.
        ("one_cmplsi2"): Optimize and simplify split.
        * config/m68hc11/larith.asm (__negsi2): Likewise for library.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
        and split of AND operation to clear the upper bits.
        ("*logicalsi3_zextqi"): Likewise.
        ("*logicallhi3_zexthi_ashift8"): Likewise.
        ("*logicalsi3_silshr16"): Likewise.
        ("logicalsi3_silshl16"): Likewise.
        ("anddi3", "iordi3", "xordi3" splits): Remove constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
        (m68hc11_indirect_p): New function.
        (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
        (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
        TARGET_M6812.
        (asm_print_register): Likewise.
        * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
        (m68hc11_indirect_p): Declare.
        * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
        (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
        (TARGET_SWITCHES): New option -mrelax.
        * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
        destination.
        ("iorsi3", "xorsi3"): Likewise.
        ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
        ("*andhi3_mem"): New to handle destination in memory with bclr
        and a scratch register.
        ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
        ("*andhi3_const"): New when operand2 is constant.
        ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
        ("*andhi3_gen"): Cleanup of the old "andhi3".
        ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
        ("xorqi3"): Update constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
        for reg_equiv_memory_loc when the operand is a register that does
        not get a hard register (stack location).
        (tst_operand): After reload, accept all memory operand.
        (symbolic_memory_operand): Fix detection of symbolic references.
        * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
        accept symbols and any constant.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
        note on the insn that sets the soft frame register.
        (must_parenthesize): ix and iy are also reserved names.
        (print_operand_address): One more place where parenthesis are required
        to avoid confusion with register names.
        (m68hc11_gen_movhi): Allow push of stack pointer.
        (m68hc11_check_z_replacement): Fix handling of parallel with a
        clobber.
        (m68hc11_z_replacement): Must update the REG_INC notes to tell what
        the replacement register is.
        * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
        and D8_REGS classes.
        (MODES_TIEABLE_P): All modes are tieable except QImode.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
        (___subdi3): Likewise.
        (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
        (__map_data_section): Optimize 68hc11 case.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
        than a shift to avoid adding a register with itself.
        (m68hc11_memory_move_cost): Take into account NO_REGS.
        (m68hc11_register_move_cost): Update and use memory move cost
        for soft registers.
        (m68hc11_address_cost): Make cost of valid offset not 0 so that
        it gives more opportunities to cse to optimize.
        * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
        * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.

2002-03-15  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (statement_code_p): Handle CLEANUP_STMT.
        * c-common.def (CLEANUP_STMT): New tree node.
        * c-common.h (CLEANUP_DECL): New macro.
        (CLEANUP_EXPR): Likewise.
        * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
        * expr.c (expand_expr): Tidy.
        * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
        * tree-inline.c (initialize_inlined_parameters): Clean up
        new local variables.

2002-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4128
        * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
        before movrXX only, use reg_overlap_mentioned_p.
        Only special case NE if just one insn can be generated.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * varasm.c (assemble_variable): Call resolve_unique_section before
        checking DECL_SECTION_NAME.  Use zeros for a decl with DECL_INITIAL
        of error_mark_node.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5170
        * arm.md (split pattern for thumb shiftable immediates): Add comment
        explaining non-obvious test.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5712
        * arm.md (movaddr, movaddr_insn): Delete.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * toplev.c (wrapup_global_declarations): Clarify variable handling.
        -fkeep-static-consts doesn't apply to comdats.

2002-03-14  Richard Henderson  <rth@redhat.com>

        * c-decl.c: Include c-pragma.h.
        (start_decl, start_function): Invoke maybe_apply_pragma_weak.
        (finish_function): Tidy.
        * c-pragma.c: Include c-common.h.
        (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
        (handle_pragma_weak): Use them.
        (init_pragma): Register pending_weaks.
        * c-pragma.h (maybe_apply_pragma_weak): Declare.
        * print-tree.c (print_node): Print DECL_WEAK.
        * varasm.c (mark_weak_decls): Remove.
        (remove_from_pending_weak_list): Remove.
        (add_weak): Remove.
        (asm_emit_uninitialised): Call globalize_decl for weak commons.
        (weak_decls): Make a tree_list.
        (declare_weak): Cons weak_decls directly.
        (globalize_decl): Remove weak_decls elements directly.
        (weak_finish): Simplify weak_decls walk.  Don't weaken unused
        symbols.  Don't pretend to handle aliases.
        (init_varasm_once): Update weak_decls registry.
        * Makefile.in: Update dependencies.

2002-03-14  Richard Henderson  <rth@redhat.com>

        PR target/5312
        * config/ia64/ia64.c: Include tm_p.h last.
        (gen_nop_type): Remove duplicate definition.
        (cycle_end_fill_slots): Set sched_data for second L slot.
        (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots.
        (nop_cycles_until): Fix typos.

2002-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5891
        * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.

2002-03-14  David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>

        * config/ia64/unwind-ia64.c: Handle copy_state and label_state
          descriptors correctly.

2002-03-14  Michael Meissner  <meissner@redhat.com>

        * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to
        100, allowing MAX_UNROLLED_INSNS to be overridden.

        * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by
        --param.

        * unroll.c (params.h): Include.
        (MAX_UNROLLED_INSNS): Delete, now in params.h.

        * doc/invoke.texi (--param max-unroll-insns): Document.

        * Makefile.in (unroll.o): Add $(PARAMS_H) dependency.

2002-03-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md: Fix warnings about constraints in peepholes and splits.

2002-03-14  Zack Weinberg  <zack@codesourcery.com>

        * cpphash.h (struct lexer_state): Remove line_extension member.
        * cpplib.c (dequote_string, do_linemarker): New functions.
        (linemarker_dir): New data object.
        (DIRECTIVE_TABLE): No longer need to interpret #line in
        preprocessed source.  Delete obsolete comment about return
        values of handlers.
        (end_directive, directive_diagnostics, _cpp_handle_directive):
        Don't muck with line_extension.
        (directive_diagnostics): No need to issue warnings for
        linemarkers here.
        (_cpp_handle_directive): Issue warnings for linemarkers here,
        when appropriate.  Dispatch linemarkers to do_linemarker, not
        do_line.
        (do_line): Code to handle linemarkers split out to do_linemarker.
        Convert escape sequences in filename argument, both places.

        * cppmacro.c (quote_string): Rename cpp_quote_string and
        export.  All callers changed.
        * cpplib.h (cpp_quote_string): Prototype.
        * cppmain.c (print_line): Call cpp_quote_string on to_file
        before printing it.

        * doc/cpp.texi: Document that escapes are now interpreted in
        #line and in linemarkers, and that non-printing characters are
        converted to octal escapes when linemarkers are generated.

Thu Mar 14 19:04:29 CET 2002  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (try_split): Use delete_insns.
        * recog.c (split_all_insns): Fix terminating condition.

2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
            Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>

        PR target/5828
        * arm.c (arm_output_epilogue): Fix floating-point register save
        adjustment when using a frame pointer.

2002-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros.
        * config/mips/mips.c (compute_frame_size): Retrofit them here.
        (save_restore_insns, mips_expand_epilogue): And here.
        (build_mips16_call_stub): And here.
        (mips_function_value): Use the new macros to decide whether a single
        or complex float can be returned in floating-point registers.  Return
        a parallel rtx in the complex case.

Thu Mar 14 11:03:12 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup
        call after liveness analysis.

        * recog.c (split_insn): Use delete_insn_and_edges.

        * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump
        instructions to have branch prediction notes.
        * ia64reorg.c (ia64_reorg): Do not rebuild CFG.

2002-03-14  Geoffrey Keating  <geoffk@redhat.com>

        * configure.in: Don't pass -Wno-long-long to a ADA compiler
        that doesn't support it.
        * configure: Regenerate.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/5626
        * config/sparc/sparc.md (normal_branch, inverted_branch,
        normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
        inverted_fp_branch): Adjust calls to output_cbranch.
        Set length attribute.
        (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to
        output_v9branch.  Set length attribute.
        * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New
        predicates.
        (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode.
        (output_cbranch): Likewise.  Handle far branches.
        (output_v9branch): Handle far branches.
        * config/sparc/sparc-protos.h (output_cbranch, output_v9branch):
        Adjust prototypes.
        * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and
        noov_compare64_op predicates.

2002-03-13  Jason Merrill  <jason@redhat.com>

        * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr
        into the function and constify it.
        * gthr-dce.h, gthr-solaris.h: Likewise.

2002-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define.
        * config/rs6000/rs6000.c (rs6000_va_arg): Use
        std_expand_builtin_va_arg if not ABI_V4.

2002-03-13  Jason Merrill  <jason@redhat.com>

        * varasm.c (globalize_decl): New fn.
        (assemble_start_function): Use it.
        (asm_emit_uninitialized): Use it.
        (assemble_alias): Use it.
        (assemble_variable): Use it.

2002-03-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue): Revert
        2002-03-12 internal visibility change.
        (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding
        visibility into SYMBOL_REF_FLAG.

2002-03-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with
        VOIDmode operand.  Add compile-time optimization for constant results.

2002-03-12  Jason Merrill  <jason@redhat.com>

        * c-typeck.c (convert_for_assignment): Don't allow conversions
        between pointers and references.  Only allow lvalues to convert to
        reference.

2002-03-13  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code
        before prologue, to avoid scheduling problems.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (ELIMINABLE_REGS): Add sfp->sp.
        (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5892
        * config/ia64/ia64.c (rotate_one_bundle): Update current packet.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        * loop.c (basic_induction_var): Don't call convert_modes if mode
        classes are different.

2002-03-12  Richard Henderson  <rth@redhat.com>

        PR optimization/5901
        * function.c (reposition_prologue_and_epilogue_notes): Position
        the markers after/before the last/first insn not deleted.

2002-03-12  Richard Henderson  <rth@redhat.com>

        PR optimization/5878
        * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h,
        config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h
        (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.

        * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h,
        config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set
        PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic.

        * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New.
        * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM.
        (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK
        also.  Don't set it if not flag_pic.
        * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM
        to be INVALID_REGNUM when not used.

2002-03-13  Aldy Hernandez  <aldyh@redhat.com>

        * expmed.c (store_bit_field): Reset alias set for memory.
        (extract_bit_field): Same.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (c_tree_code_type, c_tree_code_length,
        c_tree_code_name, add_c_tree_codes): Delete.
        * c-common.h (add_c_tree_codes): Delete.
        * c-lang.c (tree_code_type, tree_code_length, tree_code_name):
        Define.
        * c-objc-common.c (c_objc_common_init): Don't call
        add_c_tree_codes, instead set lang_unsafe_for_reeval.
        * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
        objc_tree_code_name, add_objc_tree_codes): Delete.
        (objc_init): Don't call add_objc_tree_codes.
        * objc/objc-lang.c (tree_code_type, tree_code_length,
        tree_code_name): Define.
        * toplev.c (lang_independent_init): Don't set
        tree_code_length[IDENTIFIER_NODE].
        * tree.c (tree_code_type, tree_code_length, tree_code_name):
        Delete definitions, moved to language front-ends.
        * tree.def (IDENTIFIER_NODE): Hardwire the length.
        * tree.h (tree_code_type, tree_code_length, tree_code_name):
        Const-ify.
        (tree_code_length): Change type to unsigned char.

2002-03-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03
        internal visibility change.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_expand_block_move): Use
        validize_mem() instead of change_address to avoid clobbering
        memory attributes.

2002-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.h (position_after_whitespace): Remove.

2002-03-12  Jakub Jelinek  <jakub@redhat.com>

        * c-lex.c (cb_ident, c_lex): Remove unnecessary cast.
        (lex_string): Use unsigned char pointers.

2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
        is not a valid memory_operand.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
        * config/xtensa/lib1funcs.asm: Fix copyright to include
        special case for libgcc files.
        (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
        (__divsi3): Likewise.
        (__umodsi3): Likewise.
        (__modsi3): Likewise.
        * config/xtensa/lib2funcs.S: Fix copyright to include
        special case for libgcc files.

2002-03-12  Tom Rix  <trix@redhat.com>

        * collect2.c (resolve_lib_name): Move outside of
        OBJECT_FORMAT_COFF ifdef.
        (ignore_library): Same.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch
        to function_section before writing out the constant pool.

2002-03-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and
        zero_constant.
        * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting.

2002-03-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (addsi3): Optimize sign extension.
        (adddi3): Likewise.
        (movdf): Likewise.
        (movdi): Likewise.
        (cmpsi splitter): Likewise.
        (modsi3): Fail if <= 0.
        * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove
        redundant test when HOST_BITS_PER_WIDE_INT != 32.
        (reg_or_sub_cint64_operand): Likewise.
        (num_insns_constant_wide): Optimize sign extension.
        (rs6000_legitimize_address): Likewise.

2002-03-12  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
        * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2002-03-12  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in
        address calculation.

2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (reload_insi, reload_indi): Change mode of
        scratch register to DImode / TImode.
        config/s390/s390.c (s390_expand_plus_operand): Make sure scratch
        register used does not overlap the target.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (debug.o): Depend on debug.h.
        * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
        * debug.c (do_nothing_debug_hooks): Likewise.
        * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
        sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
        dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dwarfout.c (dwarf_debug_hooks): Likewise.
        * integrate.c (output_inline_function): Likewise.
        * objc/objc-act.c (synth_module_prologue): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * toplev.c (debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
        dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
        m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
        ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
        v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
        * defaults.h (POINTER_SIZE): Define.
        * doc/tm.texi (POINTER_SIZE): Document default.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mn10200.h (PTRDIFF_TYPE): Change it to a signed type.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Call purge_all_dead_edges
        if rebuild_label_notes_after_reload.

2002-03-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue):  Do not
        emit pic register load if "internal" visibility.
        (cris_print_operand): Avoid traditional-warning for 0xffffffff.
        (cris_expand_builtin_va_arg): Do all computations on trees.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * rtlanal.c: Include recog.h.
        (keep_with_call_p): Fix thinko.
        * Makefile.in (rtlanal.o): Update dependencies.

2002-03-11  Chris Meyer  <cmeyer@gatan.com>

        * genflags.c (gen_insn): Use IS_VSPACE.
        * genoutput.c (output_insn_data): Likewise.
        (process_template): Likewise.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Don't compile if we've had errors.

2002-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
        Update documentation.
        * doc/gcc.texi: Include cppopts.texi and cppenv.texi.
        * doc/cpp.texi: Include cppopts.texi and cppenv.texi.

2002-03-11  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in: Give texi2pod its input file as a command line
        argument, not on stdin.

2002-03-11  Dan Nicolaescu  <dann@ics.uci.edu>
            Daniel Berlin  <dan@dberlin.org>

        C++ alias analysis improvement.
        * alias.c (record_component_aliases): Record aliases for base
        classes too.

2002-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register.

2002-03-11  Douglas B Rupp  <rupp@gnat.com>

        * toplev.c (vms_fopen): Remove, not needed.

        * vmsdbgout.c (lookup_filename): Adjust creation date for GMT.

        * config/alpha/xm-vms.h (__UNIX_FWRITE): Define.

        * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space
        for FP, already done later.

        * toplev.c (debug_args): Add entry for VMS_DEBUG.
        * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc.

2002-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.
        (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if
        LARGEST_EXPONENT_IS_NORMAL for the given mode.
        (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO.
        * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO.
        (ediv, emul, eldexp, esqrt): Likewise.
        (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise.
        (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL.
        (saturate): New function.
        (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL.
        (make_nan): Use a saturation value instead of a NaN if
        LARGEST_EXPONENT_IS_NORMAL.  Warn when this happens.
        * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing
        inputs if LARGEST_EXPONENT_IS_NORMAL.  Represent subnormals as
        zero if NO_DENORMALS.  Only round to nearest if !ROUND_TOWARDS_ZERO.
        (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL.
        (_fpmul_parts, _fpdiv_parts): Only round to nearest if
        !ROUND_TOWARDS_ZERO.
        * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document.
        (ROUND_TOWARDS_ZERO): Document.

2002-03-11  Andreas Jaeger  <aj@suse.de>

        * cfg.c (dump_flow_info): Remove unused variable.

2002-03-11  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all
        computations on trees.

2002-03-10  Richard Henderson  <rth@redhat.com>

        PR 5693:
        * reload.c (copy_replacements_1): New.
        (copy_replacements): Use it to recurse through the rtx.

2002-03-10  Richard Henderson  <rth@redhat.com>

        * loop.c (strength_reduce): Compute number of iterations as
        unsigned HOST_WIDE_INT.

2002-03-10  Richard Henderson  <rth@redhat.com>

        * sched-rgn.c (add_branch_dependences): Don't allow insns that throw
        to move away from the end of the block.

2002-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/5899
        * cppinit.c (init_dependency_output): Don't ignore -dM etc.

2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mbchar.c (JIS_state_table, JIS_action_table): Const-ify.

        * attribs.c (decl_attributes): Fix signed/unsigned warning.

2002-03-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c: Improve comments.
        (mmix_target_asm_function_prologue): Drop variable
        empty_stack_frame.  Don't allocate unused slot above fp.
        (mmix_target_asm_function_epilogue): Mirror prologue changes.
        * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have
        brace in first column.
        (enum reg_class): Ditto.
        (FIRST_PARM_OFFSET): Now 0.
        (USER_LABEL_PREFIX): Remove #if 0:d definition.

2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * combine.c (make_extraction): Fix error in last change.

2002-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c4x.c (c4x_fp_reglist): Const-ify.
        * cris.c (cris_print_operand): Likewise.
        * i386.c (ix86_va_arg): Likewise.
        * ia64/unwind-ia64.c (unw_decode_table): Likewise.
        * m32r.c (m32r_hard_regno_mode_ok): Likewise.
        * m32r.h (m32r_hard_regno_mode_ok): Likewise.
        * mcore.c (regno_reg_class, mcore_unique_section): Likewise.
        * mcore.h (regno_reg_class): Likewise.
        * mips.c (gen_int_relational): Likewise.
        * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise.
        * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise.
        * pdp11.c (move_costs): Likewise.
        * pj.h (INITIALIZE_TRAMPOLINE): Likewise.
        * s390.c (s390_branch_condition_mnemonic, regclass_map):
        Likewise.
        * s390.h (regclass_map): Likewise.
        * sh.c (shift_amounts): Likewise.
        * sh.md (rotlsi3): Likewise.

2002-03-09  Geoffrey Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER.
        (ne0+5): Use new clobber to generate proper shift pattern.
        Patch by Michael Matz <matz@kde.org>.

2002-03-09  Andreas Schwab  <schwab@suse.de>

        * gcc.c (validate_all_switches): Also handle `%W{...}'.

2002-03-09  Geoffrey Keating  <geoffk@redhat.com>

        * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define.

2002-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/5877
        * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW
        even for non-representable constants.

Sat Mar  9 07:20:01 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share.
        * function.c (fixup_var_refs): Add MAY_SHARE parameter.
        (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise.
        (fixup_var_refs_insn, fixup_var_refs_1): Likewise.
        (pop_function_context): Compute MAY_SHARE parameter for
        fixup_var_refs.
        (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR.
        (gen_mem_addressof): Call fixup_var_refs with new parm.

        * combine.c (make_extraction): Don't make extension of CONST_INT.

2002-03-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.c (function_arg_pass_by_reference): Force to 0
        in o32 and o64 ABIs.
        * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h,
        but getting fixed-size structs passed in registers regardless of
        padding in o32 and o64 ABIs.

        * config/mips/mips.c (mips_va_arg): Apply big-endianness address
        offset before loading address of argument passed by transparent
        reference.

2002-03-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete.

2002-03-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.c (mips_expand_prologue): Set regno of vararg
        marker such that registers after it are saved.

2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * sparc.c (arith_4096_operand): Fix error in last change.

2002-03-08  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate
        defaults for MEABI.

2002-03-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for
        vectors.

2002-03-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec.

Fri Mar  8 21:27:49 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been
        removed; fix return value.
        * combine.c (combine_instructions): Dirtify blocks where we failed to
        update liveness; purge dead edges; use update_life_info_in_dirty_blocks.
        * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine.

2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcse.c (insert_insn_end_bb): Fix typo in last change.

Fri Mar  8 21:08:52 CET 2002  Jan Hubicka  <jh@suse.cz>

        * recog.c (peephole2_optimize): Re-distribute EH edges.

2002-03-08  Neil Booth  <neil@daikokuya.demon.co.uk>

        * expr.c (expand_expr): Use unsave lang hook.
        * langhooks-def.h (LANG_HOOKS_UNSAVE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook unsave.
        * tree.c (lang_unsave, lang_unsave_expr_now): Remove.
        (unsave_expr_1): Remove unused lang_unsave_expr_now.
        (unsave_expr_now_r): Rename lhd_unsave.  Update. Return input.
        (unsave_expr_now): Remove.
        * tree.h (unsave_expr_now, lang_unsave,
        lang_unsave_expr_now): Remove.
        (lhd_unsave): New.

2002-03-08  Andreas Jaeger  <aj@suse.de>

        * flow.c (propagate_block_delete_insn): Remove unused variable.

2002-03-08  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten
        insn length for memory load/store.

2002-03-08  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (--with-libiconv-prefix): Document.

2002-03-08  Michael Y. Brukman  <myb2@cornell.edu>

        * doc/sourcebuild.texi: Fix typo.

2002-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR c/3711
        * builtins.c (std_expand_builtin_va_arg): Do all computations on
        trees.

Fri Mar  8 06:48:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * rtl.c (copy_most_rtx): Move from here ...
        * emit-rtl.c (copy_most_rtx): ... to here.

2002-03-08  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with
        SUBTARGET_CPP_SIZE_SPEC.
        * config/mips/abi64.h (LONG_MAX_SPEC): Delete.

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify.

2002-03-07  Matt Hiller  <hiller@redhat.com>

        * gensupport.c (first_dir_md_include): Renamed from include;
        change all references.
        (last_dir_md_include): Renamed from last_include; change all
        references.
        (init_md_reader): Unconditionally initialize base_dir whether or
        not filename is a relative path.

2002-03-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/fp-bit.c (_unord_f2): Compile it in even if
        US_SOFTWARE_GOFAST is enabled.

        * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as
        NULL_RTX.  Set all HFmode operations as NULL_RTX.
        * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is
        NULL_RTX, try reversing the comparison and the operands.

2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP.
        genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP
        and MATCH_OP_DUP.

Thu Mar  7 16:54:10 CET 2002  Jan Hubicka  <jh@suse.cz>

        * reload1.c (reload_cse_delete_noop_set): Purge dead edges.

Thu Mar  7 16:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (fixup_abnormal_edges): Declare.
        * reload1.c (fixup_abnormal_edges): New function.
        * reg-stack.c (convert_regs): Use it.

        * gcse.c (insert_insn_end_bb): Handle trapping insns.

        * gcse.c (hash_scan_set): Refuse instructions with EH edges.

2002-03-07  Richard Sandiford  <rsandifo@redhat.com>

        * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
        (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
        * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
        (HONOR_SIGN_DEPENDENT_ROUNDING): New.
        * builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
        * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
        unless x and y could be infinite.
        (expand_unordered_cmp): New, mostly split from expand_tree_builtin.
        Check that the common type of both arguments is a real, even for
        targets without unordered comparisons.  Allow an integer argument
        to be compared against a real.
        (expand_tree_builtin): Use expand_unordered_cmp.
        * combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
        * cse.c (fold_rtx): Likewise.  Fix indentation.
        * fold-const.c (fold_real_zero_addition_p): New.
        (fold): Use it, and the new HONOR_... macros.
        * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
        * jump.c (reversed_comparison_code_parts): After searching for
        the true comparison mode, use HONOR_NANS to decide whether it
        can be safely reversed.
        (reverse_condition_maybe_unordered): Remove IEEE check.
        * simplify-rtx.c (simplify_binary_operation): Use the new macros
        to decide which simplifications are valid.  Allow the following
        simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
        and (a - -b) to (a + b).
        (simplify_relational_operation): Use HONOR_NANS.
        * doc/tm.texi: Document the MODE_HAS_... macros.

2002-03-07  Richard Earnshaw  <rearnsha@arm.com>

        * combine.c (simplify_comparison): If simplifying a logical shift
        right and compare with constant, force the comparison to unsigned.

2002-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Add documentation for -mabi=no-altivec.

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
        -mabi=no-altivec
        (alt_reg_names): Remove % for vrsave.

2002-03-06  Richard Henderson  <rth@redhat.com>

        PR optimization/5844
        * genemit.c (gen_exp): New argument used.  Invoke copy_rtx
        if used indicates we've already emitted one copy of an operand.
        (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
        (gen_split): Supply a non-null used.

2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (reload): Unshare all rtl after reload is done.

        * simplify-rtx.c (simplify_plus_minus): Do not abort,
        but simply fail if the expression is too complex to simplify.
        (simplify_gen_binary): Handle simplify_plus_minus failures.

Wed Mar  6 20:32:09 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Do jump threading before SSA path;
        consistently call delete_trivially_dead_insns after CSE and GCSE;
        fix DFI_life dumping; do jump threading after liveness; do crossjumping
        after liveness2; update comment in last crossjumping.
        * cfgcleanup.c (try_crossjump_to_edge): Dirtify block.

Wed Mar  6 12:27:10 2002  Jeffrey A Law  (law@redhat.com)

        * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
        after completing fast dead code elimination.

        * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
        COMPARE operator.

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

        * version.c:  Fix misplaced leading blanks on first line.

Wed Mar  6 19:08:03 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source.

Wed Mar  6 18:14:43 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (mentions_nonequal_regs): New function.
        (thread_jump): Use it.
        * toplev.c (rest_of_compilation): Run jump threading after
        liveness.

2002-03-06  Jakub Jelinek  <jakub@redhat.com>

        * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
        patch.

Wed Mar  6 11:28:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_bb_frequencies): Do not reload the
        frequencies from notes.

Wed Mar  6 10:59:39 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
        * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare

        * basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
        delete_noop_moves): Return indeger.
        * flow.c (ndead): New variable.
        (propagate_block_delete_insn): Use delete_insn_and_edges; remove
        BB argument; update callers.
        (propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
        (life_analysis): Do not call purge_all_dead_edges.
        (update_life_info): Return number of deleted insns; print statistics.
        (update_life_info_in_dirty_blocks): likewise.
        (delete_noop_moves): Use delete_insn_and_edges; print statistics;
        return number of insns deleted.

        * cse.c: Include timevar.h
        (delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
        iterate until stabilizes; print statistics; return number of killed
        insns.
        * Makefile.in: (cse.o): Add timevar.h dependency
        * rtl.h (delete_trivially_dead_insns): New.
        * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
        * toplev.c (rest_of_compilation): Update callers.

        * cfgcleanup.c (try_optimize_cfg): Kill blocks.
        (try_optimize_cfg): Do not update liveness.
        (cleanup-cfg): Loop until try_optimize_cfg and dead code
        removal stabilizes; use delete_trivially_dead_insns.

        * cfgrtl.c (verify_flow_info): Sanity check outgoing edges.

2002-03-05  Zack Weinberg  <zack@codesourcery.com>

        * cppmain.c (setup_callbacks): Disable #pragma and #ident
        callbacks when processing assembly language.

2002-03-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (ASM_FILE_END): Define.
        * som.h (ASM_FILE_END): Delete.

        * pa.c (function_arg): Don't pass floats in general registers in
        indirect calls if TARGET_ELF32.

2002-03-05  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (floatsidf2): Conditionalize on hard-float.

2002-03-05  Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc
        -r command line.  Don't hide any symbols if not building
        shared libgcc.

Tue Mar  5 18:31:27 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfg.c (dump_flow_info): Warn about profile mismatches.
        * cfgrtl.c (verify_flow_info): Few aditional sanity checks.
        (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2
        wide volatile memory by parts.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def
        is NULL.

2002-03-05  Richard Henderson  <rth@redhat.com>

        * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error.

2002-03-04  Geoffrey Keating  <geoffk@redhat.com>

        * toplev.c (documented_lang_options): Document more
        language-specific options.
        * doc/invoke.texi (Warning Options): Correct documentation for
        -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers.
        * c-decl.c (c_decode_option): Use a table to handle warning options.

2002-03-05  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
        parameter to mmix_encode_section_info.
        (LINK_SPEC): Don't defsym __.MMIX.start..text if linking
        relocatably.  Always produce ELF, not mmo if linking relocatably.
        * config/mmix/mmix.c (mmix_encode_section_info): If new parameter
        first is non-zero, don't add symbol prefix.
        * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
        prototype accordingly.

2002-03-04  Krister Walfridsson  <cato@df.lth.se>

        * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file.

2002-03-05  Joseph S. Myers  <jsm28@cam.ac.uk>

        * configure.in: Increase required makeinfo version to 4.1.
        * configure: Regenerate.

2002-03-04  Geoffrey Keating  <geoffk@redhat.com>

        * .cvsignore: Remove *.info* and genrtl*; these files are generated
        elsewhere now.

2002-03-04  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/include/texinfo.tex: Update to version 2002-03-01.06.
        * doc/invoke.texi: Fix @math uses.

Mon Mar  4 15:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables
        removal

2002-03-03  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian.
        (powerpc-*-eabisimaltivec*): Same.

        * config/rs6000/t-ppcendian: New.

2002-03-04  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions
        nonimmediate_src_operand and nonimmediate_lsrc_operand to
        disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_decl_compilation): Revert last two changes.

2002-03-03  Zack Weinberg  <zack@codesourcery.com>

        * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
        print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
        tree.c, config/m68k/m68k.c:
        Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
        REAL_ARITHMETIC blocks unconditional.  Delete some further
        #ifdef blocks predicated on REAL_ARITHMETIC.
        * flags.h, toplev.c: Delete remaining references to
        flag_pretend_float.

        * doc/invoke.texi: Remove documentation of -fpretend-float.
        * doc/tm.texi: Describe the various REAL_* macros as provided by
        real.h, not by the target configuration files.

        * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
        config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
        config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
        config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
        config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
        config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
        config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
        config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
        config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
        config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
        config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
        config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
        config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
        config/xtensa/xtensa.h:
        Do not define, undefine, or mention in comments any of
        REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
        REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
        REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
        REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
        REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
        REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
        REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
        REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
        REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.

2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
        convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
        i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
        m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
        pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
        stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
        Delete.
        * defaults.h (BITS_PER_WORD): Define.
        * doc/tm.texi (BITS_PER_WORD): Document default value.

        * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
        m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
        stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.

2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in
        lieu of explicit sizeof/sizeof.
        * i386.c (override_options, ix86_init_mmx_sse_builtins,
        ix86_expand_builtin): Likewise.
        * mips.c (mips_add_gc_roots): Likewise.
        * mmix.c (mmix_output_condition): Likewise.
        * rs6000.c (rs6000_override_options, altivec_expand_builtin,
        altivec_init_builtins): Likewise.
        * sparc.c (mark_ultrasparc_pipeline_state): Likewise.
        * cppexp.c (Nsuff, parse_number): Likewise.
        * cppinit.c (builtin_array_end): Likewise.
        * gcc.c (n_default_compilers, process_command): Likewise.
        * genpreds.c (output_predicate_decls): Likewise.
        * ggc-page.c (NUM_EXTRA_ORDERS): Likewise.
        * lcm.c (N_ENTITIES): Likewise.
        * stor-layout.c (set_sizetype): Likewise.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl
        for types or labels.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * c-decl.c (start_decl): Initialized variables are not common.

2002-03-02  Per Bothner  <per@bothner.com>

        * gcc.c (option_map):  Suport new --bootclasspath option.
        --CLASSPATH is now just an alias for --classpath.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register
        load if "internal" visibility.
        * doc/extend.texi: Document visibility meanings.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies
        to functions as well.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * attribs.c (handle_alias_attribute): Don't call assemble_alias.
        (handle_visibility_attribute): Don't call assemble_visibility.
        * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even
        without asmspec.  Invoke assemble_alias when needed.
        * varasm.c (maybe_assemble_visibility): New.
        (assemble_start_function, assemble_variable, assemble_alias): Use it.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P;
        invoke ENCODE_SECTION_INFO with first call flag.

        * config/darwin-protos.h, config/darwin.c, config/darwin.h,
        config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
        config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h,
        config/arm/arm.h, config/arm/pe.c, config/arm/pe.h,
        config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h,
        config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h,
        config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h,
        config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c,
        config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.h, config/m88k/m88k.h,
        config/mcore/mcore-protos.h, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h,
        config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h,
        config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
        config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h,
        config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
        config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h,
        config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes
        FIRST argument.  As needed, examine it and do nothing.

        * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h,
        config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
        config/mcore/mcore.h: Remove REDO_SECTION_INFO_P.

        * config/arm/t-pe (pe.o): Add dependencies.

2002-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
        cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h,
        i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h,
        mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h,
        pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h,
        vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete.
        * defaults.h (BITS_PER_UNIT): Define.
        * doc/tm.texi (BITS_PER_UNIT): Document default value.

2002-03-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Add a prototype for
        compute_a_shift_length.
        * config/h8300/h8300.c (h8300_asm_insn_count): New.
        (compute_a_shift_length): Likewise.
        (h8300_adjust_insn_length): Do not adjust insn length of shift
        insns.
        * config/h8300/h8300.md (anonymous shift patterns): Use
        compute_a_shift_length.

Sat Mar  2 06:30:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.c (sparc_initialize_trampoline): Use
        trunc_int_for_mode.

        * emit-rtl.c (offset_address): Call update_temp_slot_address.

2002-03-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss.
        * doc/invoke.texi (-fno-zero-initialized-in-bss): Document.
        * flags.h (flag_zero_initialized_in_bss): Declare.
        * toplev.c (flag_zero_initialized_in_bss): New flag.
        (lang_independent_options): Add flag_zero_initialized_in_bss.
        * tree.c (initializer_zerop): New function.
        * tree.h (initializer_zerop): Declare.
        * varasm.c (assemble_variable): If we can emit bss, put zero
        initializers in the bss section.

2002-03-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't
        like more than one symbol per .weak directive.

2002-03-01  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not
        adjust argument_pointer by pretend_args_size.
        (ia64_va_start): Adjust va_start address by -pretend_args_size.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up.

Fri Mar  1 20:59:14 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Delete dead jumptables before
        loop.
        * flow.c (delete_dead_jumptables): Make global.
        * rtl.h (delete_dead_jumptables): Declare.

2002-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete.
        * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define.
        * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Fix formatting.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Support 16-bit
        constant addresses.
        * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * expmed.c (store_bit_field): Prevent generation of CONCATs;
        pun complex values as integers; use gen_lowpart instead of
        gen_rtx_SUBREG.
        (extract_bit_field): Likewise.

2002-03-01  Alan Modra  <amodra@bigpond.net.au>
            David Edelsohn  <edelsohn@gnu.org>

        * doc/tm.texi (ASM_WEAKEN_DECL): Document.
        (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL.
        (SUPPORTS_WEAK): Likewise.
        * output.h (add_weak): Add tree param.
        * varasm.c (add_weak): Likewise.  Save decl.
        (struct weak_syms): Add decl field.
        (mark_weak_decls): New function.
        (init_varasm_once): ggc_add_root mark_weak_decls.
        (assemble_start_function): Use ASM_WEAKEN_DECL.
        (assemble_variable): Likewise.
        (assemble_alias): Likewise.
        (declare_weak): Pass decl to add_weak.
        (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl.
        (remove_from_pending_weak_list): Declare and define for
        ASM_WEAKEN_DECL.
        * c-pragma.c (handle_pragma_weak): Adjust add_weak call.
        * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too.
        * defaults.h (SUPPORTS_WEAK): Likewise.
        * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
        .weak for code sym.  Do emit .size for descriptor sym.
        (ASM_DECLARE_FUNCTION_SIZE): Define.
        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define.
        (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here.  Don't output
        .lglobl unless TARGET_XCOFF.  Formatting fixes.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
        .weak for code sym.
        (HANDLE_PRAGMA_WEAK): Remove.
        (ASM_WEAKEN_LABEL): Remove.
        * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define.

2002-03-01  Jason Merrill  <jason@redhat.com>

        * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros.
        (TARGET_EXPR_CLEANUP): New macro.

2002-02-28  Steve Ellcey  <sje@cup.hp.com>

        * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition
        to take ptr_extend into account as third type of extension.
        (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit
        fields used by SUBREG_PROMOTED_UNSIGNED_P.
        * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro.
        (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1.
        * calls.c (precompute_arguments): Use new macro.
        (expand_call): Ditto.
        * combine.c (nonzero_bits): Ditto.
        (record_promoted_value): Ditto.
        * expr.c (store_expr): Ditto.
        (expand_expr): Ditto.
        * function.c (assign_parms): Ditto.

2002-02-28  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (init_gcc_specs): Get -static and -static-libgcc to
        override -shared and -shared-libgcc.

2002-02-28  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification
        of "ultrasparc".
        * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS.  It appears
        to be broken.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have
        4 cycle latency from MM producers.
        (ia64_internal_sched_reorder): Likewise with pipeline flush.

2002-02-28  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Don't use GNU make extension.

2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-parse.in (STATIC): New terminal.
        (scspec): New non-terminal.  Update productions accordingly.
        (program): Remove bogus ifc / end ifc.
        (array_declarator): Simplify production using STATIC.

2002-02-28  Jim Meyering  <meyering@lucent.com>

        * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code:
        \a still means TARGET_BELL.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * haifa-sched.c (sched_emit_insn): New.
        (schedule_block): Use last_scheduled_insn to track last insn.
        * sched-int.h (sched_emit_insn): Prototype.
        * config/ia64/ia64.c (last_issued): Remove.
        (ia64_variable_issue): Don't set it.
        (nop_cycles_until): Use sched_emit_insn.

2002-02-28  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign
        extended constants.

2002-02-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.
        * config/h8300/h8300.h: Likewise.

2002-02-28  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29
        which may overwrite the high byte of the frame pointer.

2002-02-28  Bo Thorsen  <bo@suse.de>

        * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation.
        (STARTFILE_SPEC): Add 64 bit files.
        (ENDFILE_SPEC): Likewise.

2002-02-28  Jason Merrill  <jason@redhat.com>

        * c-decl.c (finish_function): Only warn about missing return
        statement with -Wreturn-type.

Don Feb 28 11:24:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (purge_dead_edges): Fix handling of EH edges.

        * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to
        PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM

Don Feb 28 11:07:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (BB_REACHABLE): Renumber.
        (BB_DIRTY, BB_NEW): New flags.
        (clear_bb_flags): Declare.
        (update_life_info_in_dirty_blocks): Declare.
        * cfg.c (clear_bb_flags): New function.
        * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
        * emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
        reorder_insns, emit_insn_after): Mark block as dirty.
        * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
        (update_life_info_in_dirty_blocks): New function.
        * recog.c (apply_change_group): Dirtify block.

        * cse.c (cse_insn): Reorder emitting of jump insn to keep
        cfg consistent.
        * gcse.c (delete_null_pointer_checks): Likewise.

        * toplev.c (dump_file_index): Move cse2 after bp,
        add DFI_null
        (dump_file_info): Similary.
        (rest_of_compilation): Avoid most of CFG rebuilds;
        do first if converision after null pointer checks, do cse2
        after branch prediction; avoid full liveness rebuild after
        initializing subregs.
        * invoke.texi (-d options): Document -du, renumber.

        * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
        (notice_new_block): Do not set BB_UPDATE_LIFE.
        (try_forward_edges, merge_blocks_move_predecessor_nojumps,
         merge_blocks_move_successor_nojumps, merge_blocks,
         try_crossjump_to_edge): Likewise.
        (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
        * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
        * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
        (merge_of_block): Do not use life_data_ok.
        (find_if_case_1): Do not use SET_UPDATE_LIFE.
        (if_convert): Use BB_DIRTY mechanizm to update life.
        * lcm.c (optimize_mode_switching): Update
        update_life_info_in_dirty_blocks

2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (integrate.o): Update.
        * c-decl.c (copy_lang_decl): Rename.
        * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
        * integrate.c: Include langhooks.h.
        (copy_decl_for_inlining): Update to use langhook.
        * langhooks-def.h (lhd_do_nothing_t,
        LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_do_nothing_t): New.
        * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
        * tree.h (copy_lang_decl): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.

2002-02-27  Andrew MacLeod  <amacleod@redhat.com>

        * dwarf2out.c (stack_adjust_offset): Add support for POST_INC,
        POST_DEC, and POST_MODIFY.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * c-typeck.c (digest_init): Remove unused parameter; all
        callers changed.

2002-02-27  Geoffrey Keating  <geoffk@redhat.com>

        * expmed.c (expand_shift): Correctly test for low part of a
        subreg.

2002-02-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_chunkify_pool): Do not confuse
        insn UIDs with insn addresses.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
        c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
        cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
        builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
        gcc.c, toplev.c: Delete code implementing -traditional mode.

        * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
        doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
        Document removal of -traditional mode for compilation, and
        remove documentation only relevant to that mode.

        * config/nextstep.h, config/ptx4.h, config/svr4.h,
        config/convex/convex.h, config/d30v/d30v.h,
        config/i386/dgux.h, config/i386/osf1elf.h,
        config/i386/osfelf.h, config/i386/osfrose.h,
        config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
        config/m68k/hp310.h, config/m88k/dgux.h,
        config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
        config/m88k/m88k.h, config/m88k/openbsd.h,
        config/mips/abi64.h, config/mips/osfrose.h,
        config/mips/svr4-5.h, config/mips/svr4-t.h,
        config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
        config/stormy16/stormy16.h: Remove all references to
        -traditional from target specs.  Delete all mention of the
        no-longer-necessary TRADITIONAL_RETURN_FLOAT macro.  Also
        delete a couple of commented-out definitions of
        DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
        to -traditional.

        * system.h: Poison TRADITIONAL_RETURN_FLOAT.
        * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: Don't use \n in a line subject to
        interpretation by echo.

2002-02-27  Graham Stott  <grahams@redhat.com>

        * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC):
        Constify NAME.

        * loop.c (prescan_loop): Handle PARALLEL.

        * unroll.c (loop_iterations): Return 0 if the add_val for
        a BIV is REG.

        * final.c (output_operand_lossage): Constify PFX_STR.

        * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE.

Wed Feb 27 10:45:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove.
        * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define.

Wed Feb 27 10:39:20 CET 2002  Jan Hubicka  <jh@suse.cz>

        * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.

2002-02-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (_cpp_lex_token): Handle directives in macro
        arguments.
        * cpplib.c (_cpp_handle_directive): Save and restore state
        if parsing macro args when entering a directive.
        * cppmacro.c (collect_args): No need to handle directives
        in macro arguments.
        (enter_macro_context, replace_args): Use the original macro
        definition in case it was redefined whilst collecting arguments.
doc:
        * cpp.texi: Update.

2002-02-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete.
        * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete.
        * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient
        method on AIX.
        * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand.
        (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same.
        (load_toc_v4_PIC_2): Same.

2002-02-26  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (ashldi_se): Re-enable.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_encode_section_info): Examine
        MODULE_LOCAL_P; improve commentary.

2002-02-26  Zack Weinberg  <zack@codesourcery.com>

        * doc/cpp.texi: Clarify documentation of relationship between
        #line and #include.

2002-02-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype for
        compute_logical_op_length.  Add the prototype for
        compute_logical_op_cc.
        * config/h8300/h8300.c (compute_logical_op_length): Figure out
        code from operands.
        (compute_logical_op_cc): New.
        * config/h8300/h8300.md: Combine all the logical op patterns
        in HImode and SImode.  Use compute_logical_op_cc.

2002-02-26  Kelley Cook  <kelleycook@comcast.net>

        * config/i386/i386.c (print_operand): Don't append ATT-style
        length suffixs to x87 opcodes when in Intel mode.

2002-02-26  Ryan T. Sammartino <ryants@shaw.ca>

        * emit-rtl.c (gen_const_vector_0): Remove TYPE argument.
        (init_emit_once): Update calls.
        * fixinc/gnu-regex.c (_GNU_SOURCE): Remove.
        (init_syntax_once): Prototype.

2002-02-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (LIB_SPEC): Update definition.
        * pa32-linux.h (LINK_COMMAND_SPEC): Delete.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers
        if we emitted a stop bit.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        * configure.in (libgcc_visibility): Substitute.
        * configure: Rebuilt.
        * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global
        defined symbols .hidden.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        * attribs.c (c_common_attribute_table): Add visibility.
        (handle_visibility_attribute): New function.
        * varasm.c (assemble_visibility): New function.
        * output.h (assemble_visibility): Add prototype.
        * tree.h (MODULE_LOCAL_P): Define.
        * crtstuff.c (__dso_handle): Use visibility attribute.
        * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG
        for MODULE_LOCAL_P symbols too.
        * config/ia64/ia64.c (ia64_encode_section_info): Handle
        MODULE_LOCAL_P symbols the same way as local symbols.
        Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced
        into .sdata/.sbss by the user.
        * doc/extend.texi (Function Attributes): Document visibility
        attribute.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/5770
        * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for
        STRING_CST initializer spanning the whole variable without
        embedded zeros.
        If expand_expr returned MEM, don't use it.

2002-02-26  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract,
        generate a die for the lexical block.

2002-02-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Add a prototype for
        compute_logical_op_length.
        * config/h8300/h8300.c (compute_logical_op_length): New.
        * config/h8300/h8300.md (anonymous logical patterns): Use
        compute_logical_op_length for length.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (modified_type_die): Do not call type_main_variant
        for vectors.
        (gen_type_die): Same.

        * attribs.c (handle_vector_size_attribute): Set debug information.

2002-02-26  Daniel Egger  <degger@fhm.edu>

        * config/rs6000/rs6000.md: Swap define_insn attributes to
        fix incorrect generation of merge high instructions instead
        of merge low.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * c-typeck.c (really_start_incremental_init): Use
        bitsize_zero_node for vectors.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo.
        ("*set_vrsave_internal"): Same.

2002-02-25  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law
        in EXPAND_SUM case.  Use host_integerp/tree_low_cst.

2002-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/5755
        * config/i386/i386.c (ix86_return_pops_args): Only pop
        fake structure return argument if it was passed on the stack.

2002-02-25  Jason Merrill  <jason@redhat.com>

        * attribs.c (decl_attributes): Also re-layout PARM_DECL and
        RESULT_DECL.

2002-02-25  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to
        link with shared_name only.
        * doc/invoke.texi (Link Options): Document new behavior.

2002-02-25  Aldy Hernandez  <aldyh@redhat.com>

        * c-typeck.c (push_init_level): Handle vectors.

2002-02-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sparc.c (const64_high_operand): Zero-extend
        operands of SPARC_SETHI_P.
        (input_operand): Likewise.
        (sparc_emit_set_const32): Likewise.
        * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64.
        (SPARC_SETHI32_P): Zero-extend operand from 32 bits.
        (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'.  Add `N' as SETHI.
        * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'.
        (movdi_insn_sp64_vis): Likewise.
        (movdi split, movdf split): Use SETHI32.
        * doc/md.texi: Document SPARC constraints L, M and N.

2002-02-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("get_vrsave_internal"): New.
        ("*set_vrsave_internal"): use mfspr for Darwin.

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Call
        gen_get_vrsave_internal.

Sun Feb 24 16:38:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND.

2002-02-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (cpp_interpret_charconst): Get signedness or
        otherwise of wide character constants correct.
        * cppexp.c (lex): Get signedness of wide charconsts correct.

Sun Feb 24 07:41:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * optabs.c (widen_operand): Only call convert_modes for
        promoted SUBREG if signedness matches.
        * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplib.c (glue_header_name): Use local buffer to build up
        header name.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM.

2002-02-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and
        H8/300[HS] separately.
        * config/h8300/h8300.md: Remove the early clobber constraint
        from bit field patterns.

2002-02-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (mulqihi3): Tighten predicates to
        register_operand.
        (mulhisi3): Likewise.
        (umulqisi3): Likewise.
        (umulhisi3): Likewise.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (output_deps): Correct test for stdout output.
        (init_dependency_output): Cure warning.

Sat Feb 23 08:42:47 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_expr): When converting expression to promoted
        equivalent type, allow using SUBREG_REG of TARGET as the target
        of the expansion of EXP.
        * loop.c (basic_induction_var, case SUBREG): Always look inside.
        * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl.
        (alpha_emit_set_const): Handle SImode when can't make new pseudos.
        (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos.
        * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing.

2002-02-23  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/contribute.texi, doc/extend.texi, doc/install.texi,
        doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi,
        doc/standards.texi, doc/tm.texi: Remove trailing whitespace.

2002-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5747
        * loop.c (scan_loop): Update reg info if move_movables created new
        pseudos.

2002-02-23  David Edelsohn  <edelsohn@gnu.org>

        * gcc.c (init_gcc_spec): Revert last change.

2002-02-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use
        gpc_reg_operand constraint.

2002-02-23  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (num_insns_constant): Fix formatting.
        Simplify comparison of `low'.
        (add_operand): Fix formatting.
        (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P.
        (mask_operand): Disallow mask to wrap in 64-bit mode.
        (rs6000_stack_info): Remove redundant test setting push_p.
        (output_toc): Fix formatting.
        * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use
        cc_reg_not_cr0_operand constraint.
        (booldi3, boolcdi3 splitters): Same.

2002-02-23  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Add extra level of parentheses on casts.

2002-02-22  David Edelsohn  <edelsohn@gnu.org>

        * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
        gcc invoked with -shared-libgcc.

2002-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5748
        * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
        decl if any of elements was TREE_USED.

2002-02-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sol2.h: Don't include sys/mman.h.
        * config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
        (arith_4096_operand): Don't throw high bits away.
        (const64_operand): Take sign extension of CONST_INTs into account.
        (const64_high_operand, sparc_emit_set_const32): Likewise.
        (GEN_HIGHINT64): Likewise.
        (sparc_emit_set_const64_quick1): Likewise.
        (const64_is_2insns): Likewise.
        (print_operand): Use trunc_int_for_mode for sign extension.
        * config/sparc/sparc.h (SMALL_INT32): Likewise.
        * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
        chars.  Assume CONST_INT is already properly sign-extended.
        (movdi split): Sign-extend each SImode part.
        (andsi3 split): Don't mask high bits off, so that result
        remains properly sign-extend.
        (iorsi3 split): Likewise.
        (xorsi3 split): Likewise.

2002-02-22  Richard Sandiford  <rsandifo@redhat.com>

        * fold-const.c (fold): Fix typo in comments.

2002-02-21  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (langhooks.o): Update dependencies.

2002-02-21  Diego Novillo  <dnovillo@redhat.com>

        * langhooks.c: Include flags.h.

2002-02-21  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.dg/attr-alwaysinline.c: New.

        * c-common.c (c_common_post_options): Set inline trees by
        default.

        * doc/extend.texi (Function Attributes): Document always_inline
        attribute.
        Update documentation about inlining when not optimizing.

        * cp/decl.c (duplicate_decls): Merge always_inline attribute.

        * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.
        (c_disregard_inline_limits): Disregard if always_inline set.

        * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
        Disregard if always_inline set.
        (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * attribs.c (handle_always_inline_attribute): New.
        (c_common_attribute_table): Add always_inline.

        * config/rs6000/altivec.h: Add prototypes for builtins
        requiring the always_inline attribute.

2002-02-21  Eric Christopher  <echristo@redhat.com>

        * expmed.c (store_bit_field): Try to simplify the subreg
        before generating a new one when when the mode size of
        value is less than maxmode.

2002-02-21  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (offset_address): Use simplify_gen_binary rather
        than gen_rtx_PLUS to form the sum.
        * explow.c (force_reg): Rearrange to not allocate new pseudo
        when force_operand returns a register.
        * expr.c (expand_assignment): Allow offset_rtx expansion to
        return a sum.  Do not force addresses into registers.
        (expand_expr): Likewise.
        * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
        to canonicalize arithmetic that didn't simpify.
        (simplify_plus_minus): New argument force; update
        all callers.  Don't split CONST unless we can do something with it,
        and wouldn't lose the constness of the operands.

        * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
        that we generated earlier.

2002-02-21  Tom Tromey  <tromey@redhat.com>

        * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        (output_line_info): Use constant `1', with a long explanatory
        comment.
        * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.

Thu Feb 21 22:43:44 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * jump.c (redirect_jump): If old label has no UID, don't try to
        delete it.

Thu Feb 21 21:17:21 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
        If input is constant, do shifts at compile time.

2002-02-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Fix some more overfull hboxes.

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/4994
        * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
        register moves.

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/4574
        * expr.h (expand_and): Add mode argument.
        * expmed.c (expand_and): Add mode argument.
        (expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
        * expr.c (store_field, expand_expr, do_store_flag): Likewise.
        * except.c (expand_builtin_extract_return_addr): Likewise.
        * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
        * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
        * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
        Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
        * config/c4x/c4x.md: Use GEN_INT (x) instead of
        gen_rtx (CONST_INT, VOIDmode, x).

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/4697:
        * stmt.c (warn_if_unused_value): Move side effects test once more.

2002-02-20  Torbjorn Granlund  <tege@swox.com>

        * config/avr/avr.md: Add more patterns for mized-mode add and subtract
        (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).

Thu Feb 21 16:20:46 2002  Alexandre Oliva  <aoliva@redhat.com>

        * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
        SUBREG or ZERO_EXTEND.

Thu Feb 21 15:35:46 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (current_function_anonymous_args): Remove.
        (SETUP_INCOMING_VARARGS): Don't set it - just check that one
        of current_function_varargs and current_function_stdarg is set.
        * sh.c (sh_expand_prologue): Check current_function_varargs /
        current_function_stdarg / TARGET_SH5 instead of
        current_function_anonymous_args.

        * sh64.h (TARGET_VERSION): Define.

2002-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
        VRSAVE_REGNO on TARGET_ALTIVEC.

2002-02-20  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
        bits of SImode const_int.
        (includes_rshift_p): Likewise.
        (print_operand): Call mask_operand and mask64_operand with correct
        mode.
        (rs6000_output_function_epilogue): Pad traceback table to word.
        * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
        (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
        mask64_operand with correct mode.
        (FUNCTION_ARG_REGNO_P): Correct parentheses.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/4461
        * varasm.c (get_pool_constant_mark): New.
        * rtl.h (get_pool_constant_mark): Add prototype.
        * dwarf2out.c (mem_loc_descriptor): A pool constant cannot
        be represented if it has not been output.

2002-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (do_SUBST): Sanity check substitutions of
        CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
        (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
        CONST_INT into its operand.
        (known_cond): Likewise, for ZERO_EXTEND.
        * simplify-rtx.c (simplify_unary_operation): Fix condition to
        allow for simplification of wide modes.  Reject CONST_INTs in
        ZERO_EXTEND when their actual mode is not given.

2002-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * c-decl.c (pushdecl): If no global declaration is found for an
        extern declaration in block scope, try a limbo one.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/4401
        * c-common.c (pointer_int_sum): Moved from...
        * c-typeck.c (pointer_int_sum): ...here.
        * c-common.h (pointer_int_sum): Add prototype.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5713
        * c-decl.c (duplicate_decls): Return 0 if issued error about
        redeclaration.

2002-02-20  Roger Sayle  <roger@eyesopen.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c/4389
        * tree.c (host_integerp): Ensure that the constant integer is
        representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT
        when pos is zero or non-zero respectively.  Clarify comment.
        * c-format.c (check_format_info_recurse): Fix host_integerp
        usage; the pos argument should be zero when assigning to a
        signed HOST_WIDE_INT.

2002-02-20  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_move): Use the mode
        of the operand, rather than assuming TImode.
        (ix86_expand_binop_builtin): Cope with commutative patterns
        using nonimmediate_operand for both operands.
        (ix86_expand_timode_binop_builtin): Likewise.
        (ix86_expand_store_builtin): Validate operand 1.
        (ix86_expand_unop1_builtin): Likewise.

2002-02-20  Philip Blundell  <philb@gnu.org>

        PR 5705
        * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro.

2002-02-20  Richard Henderson  <rth@redhat.com>

        PR c/5615
        * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.

2002-02-20  Tom Tromey  <tromey@redhat.com>

        * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define
        unconditionally.

Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com>

        * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look
          for (const_int 0) in X not just INTVAL.

2002-02-20  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Avoid or reduce overfull hboxes.

2002-02-20  Diego Novillo  <dnovillo@redhat.com>

        * expmed.c (store_bit_field): Do not store bit fields using SUBREG
        operations if the field does not start at a mode boundary.

2001-02-20      Joel Sherrill <joel@OARcorp.com>

        * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h,
        config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem().
        Also done for -Acpu and -Amachine.

2002-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (init_dependency_output): Take deps output file
        from -o if none given with -MF.  Suppress normal output.
        * gcc.c (cpp_unique_options): Have -M and -MM imply -E.
        * doc/cpp.texi, doc/invoke.texi: Update.

2002-02-19  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c (output_quoted_string): Write unprintable
        characters with octal escapes.

2002-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set
        really_call_used[VRSAVE_REGNO] if not Altivec.

2002-02-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with
        MODE_MASK.
        (constant_pool_expr_1): Fix formatting.
        (rs6000_legitimize_reload_address): Likewise.

Tue Feb 19 20:13:57 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx
        now that we have one.

2002-02-19  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (struct tree_common): Remove aux.  Add unused_0 at
        end of first block of bitfields (which was only seven bits);
        rename dummy to unused_1; remove comment which is no longer true.

2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>

        * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo.

2002-02-19  Philip Blundell  <pb@nexus.co.uk>

        PR 5399
        * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything
        if generating PIC.

        PR 5054
        * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use
        arm_is_longcall_p rather than inspecting call-type cookie
        directly.
        (call_value_insn) [TARGET_THUMB]: Likewise.

2002-02-19  Graham Stott  <grahams@redhat.com>

        * config/i386/i386.c (ix86_expand_builtin): Fix typo.

2002-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64.
        ({STARTFILE,ENDFILE}_LINUX_SPEC): Define.
        (FP_SAVE_INLINE): Delete.

        * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o.
        * config/rs6000/eabi.asm: Remove ABI save restore routines.
        * config/rs6000/t-ppccomm: Build crtsavres.o.
        * config/rs6000/crtsavres.asm: New file.

2002-02-19  Philip Blundell  <philb@gnu.org>

        * config/arm/arm.c (use_return_insn): Don't reject interrupt
        functions.
        (arm_compute_save_reg_mask): Save LR for interrupt functions too.
        (output_return_instruction): Allow interrupt functions to return with
        ldmfd sp!, {... pc}^.  Use LDR to restore any single register.
        (arm_expand_prologue): Subtract 4 before stacking LR in an
        interrupt function.

2002-02-19  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_encode_call_attribute): Operate on any
        decl, not just FUNCTION_DECL.
        (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF.
        (arm_assemble_integer): Likewise.
        * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be
        marked local.

2002-02-19  matthew green  <mrg@eterna.com.au>

        * config.gcc (sparc-*-netbsdelf*): Enable target.
        (sparc64-*-netbsd*): New target.
        * config/sparc/netbsd-elf.h: New file.
        * config/sparc/t-netbsd64: New file.

2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>

        * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo.

2002-02-19  Ryan T. Sammartino <ryants@shaw.ca>

        * doc/invoke.texi: explicitly list the style guidelines that
        -Weffc++ checks for.

Tue Feb 19 12:37:23 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regmove.c (regmove_optimize): Avoid increasing of register pressure.

2002-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR other/5718
        * gcc.c (cpp_unique_options): Treat -o as indicating object file
        only if not -E.  If -E, pass -o through to the preprocessor.

2002-02-19  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal
        register number with an appropriate macro.

2002-02-19  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>

        * doc/rtl.texi (Constants): Close @code tag.

2002-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
        ("mmx_uavgv4hi3"): Same.
        ("pmulhrwv4hi3"): Same.

        * tree-inline.c (walk_tree): Handle vectors.

        * c-common.c (constant_expression_warning): Handle vectors.
        (overflow_warning): Same.

        * sched-deps.c (sched_analyze_2): Handle vectors.

        * rtlanal.c (rtx_unstable_p): Handle vectors.
        (rtx_varies_p): Same.
        (count_occurrences): Same.
        (regs_set_between_p): Same.
        (modified_between_p): Same.
        (modified_in_p): Same.
        (volatile_insn_p): Same.
        (volatile_refs_p): Same.
        (side_effects_p): Same.
        (may_trap_p): Same.
        (inequality_comparisons_p): Same.
        (replace_regs): Same.
        (computed_jump_p_1): Same.

        * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
        argument.
        (inner_mode_array): New.
        (copy_rtx): Handle vectors.
        (copy_most_rtx): Same.
        (rtx_equal_p): Same.
        (get_mode_alignment): Adjust for vectors.

        * resource.c (mark_referenced_resources): Handle vectors.
        (mark_set_resources): Same.

        * reload1.c (eliminate_regs): Handle vectors.
        (elimination_effects): Same.
        (scan_paradoxical_subregs): Same.

        * reload.c (subst_reg_equivs): Handle vectors.

        * regrename.c (scan_rtx): Handle vectors.

        * regclass.c (reg_scan_mark_refs): Handle vectors.

        * recog.c (find_single_use_1): Handle vectors.

        * local-alloc.c (equiv_init_varies_p): Handle vectors.
        (contains_replace_regs): Same.
        (memref_referenced_p): Same.

        * integrate.c (copy_rtx_and_substitute): Handle vectors.
        (subst_constants): Same.

        * genattrtab.c (attr_copy_rtx): Handle vectors.
        (encode_units_mask): Same.
        (clear_struct_flag): Same.
        (count_sub_rtxs): Same.

        * gcse.c (want_to_gcse_p): Handle vectors.
        (oprs_unchanged_p): Same.
        (hash_expr_1): Same.
        (oprs_not_set_p): Same.
        (expr_killed_p): Same.
        (compute_transp): Same.
        (store_ops_ok): Same.

        * function.c (purge_addressof_1): Do not allow paradoxical subregs
        of vectors.
        (fixup_var_refs_1): Same.
        (instantiate_virtual_regs_1): Same.

        * fold-const.c (operand_equal_p): Handle vectors.
        (fold): Same.
        (rtl_expr_nonnegative_p): Same.

        * flow.c (mark_used_regs): Handle vectors.

        * df.c (df_uses_record): Handle vectors.

        * cselib.c (cselib_subst_to_values): Handle vectors.
        (cselib_mem_conflict_p): Same.
        (hash_rtx): Same.

        * cse.c (canon_reg): Handle vectors.
        (fold_rt): Same.
        (cse_process_notes): Same.
        (count_reg_usage): Same.
        (canon_hash): Same.

        * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.

        * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.

        * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
        (gen_rtx): Handle CONST_VECTOR.
        (gen_const_vector_0): New.
        (copy_rtx_if_shared): CONST_VECTORs can be shared.
        (reset_used_flags): Same.
        (copy_insn_1): Same.
        (initializer_constant_valid_p): Handle VECTOR_CST.

        * doc/c-tree.texi (Expression trees): Document VECTOR_CST.

        * doc/rtl.texi (Constants): Document const_vector.
        (CONST0_RTX): Update for vectors.
        (RTL sharing): Same.

        * print-tree.c (print_node): Add case for VECTOR_CST.

        * tree.h (TREE_VECTOR_CST_ELTS): New.
        (struct tree_vector): New.
        (union tree_node): Add vector node.
        (build_vector): Add prototype.

        * tree.def (VECTOR_CST): New.

        * tree.c (build_vector): New.

        * expmed.c (make_tree): Handle CONST_VECTOR.

        * rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
        (CONST_VECTOR_ELT): New.
        (CONST_VECTOR_NUNITS): New.

        * machmode.h (GET_MODE_INNER): New.
        (DEF_MACHMODE): Accept 8th arg.

        * machmode.def: Add 8th argument for vector inner mode.
        Add inner vector modes for vectors.

        * rtl.def (VEC_CONST): Remove.
        (CONST_VECTOR): New.

        * expr.c (clear_storage): Allow vectors.
        (is_zeros_p): Handle VECTOR_CST.

        * varasm.c (output_constant_pool): Handle vectors.
        (rtx_const): Add veclo and vechi fields.
        (kind): Add RTX_VECTOR.
        (decode_rtx_const): Add case for vector.

        * config/rs6000/rs6000-protos.h: Add zero_constant.

        * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
        constants.  Force easy vector constants into memory.
        (easy_vector_constant): New.
        (emit_easy_vector_constant): New.
        (rs6000_legitimize_reload_address): Do not generate bad reloads on
        darwin.

        * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
        instruction does.
        ("altivec_lvxl"): Same.
        (altivec_lvebx): Same.
        (altivec_lvehx): Same.
        (altivec_lvewx): Same.
        ("*movv4si_const0"): New.
        ("*movv4sf_const0"): New.
        ("*movv8hi_const0"): New.
        ("*movv16qi_const0"): New.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (notice_update_cc): Use
        cc_status.value2.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (divmod patterns): Change the
        constraints for operands[1] to register_operand.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for
        p_operand.
        * config/h8300/h8300.c (p_operand): Remove.
        * config/h8300/h8300.md: Replace p_operand with
        const_int_operand.

2002-02-18 Philip Blundell <pb@nexus.co.uk>

        * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in
        comment.
        (output_return_instruction): Allow use of LDR to unstack
        return addresss even for interrupt handlers or when
        interworking.  If compiling for ARMv5, use interworking-safe
        return instructions by default.  Remove duplicated code and
        lengthy "strcat" sequences.

2002-02-18  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
        (LINK_EH_SPEC): Define.
        * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.

2002-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Do not set the
        frame_related flag for call-clobbered registers.

Mon Feb 18 15:07:35 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode.
        (construct_container): Fix handling of SSE operands.
        (ix86_expand_builtin): Fix handling of 64bit pointers.
        (mmx_maskmovq_rex): New pattern.

Mon Feb 18 11:55:55 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regrename.c (kill_set_value): Handle subregs properly.

2002-02-18  David Billinghurst <David.Billinghurst@riotinto.com>

        * objc/objc-act.c (handle_impent): Remove leading '*'
        from objc_class_name.

2002-02-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_operand,
        some_small_symbolic_operand_1, split_small_symbolic_operand,
        split_small_symbolic_operand_1): Rename from *symbolic_mem_op*.
        Handle small SYMBOL_REFs anywhere, not just inside memories.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (small symbolic operand splitter): Update.

2002-02-17  Roland McGrath  <roland@frob.com>

        * config.gcc (powerpc-*-gnu-gnualtivec*,
        powerpc-*-gnu*, powerpc64-*-gnu*): New configurations.
        * config/rs6000/gnu.h: New file.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS):
        Grok "gnu" in rs6000_abi_name.
        (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC,
        CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC):
        Grok -mcall-gnu analogous to -mcall-linux et al.
        (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
        LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros.
        (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them.

2002-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR c/3444:
        * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit
        shortening.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * config/cris/cris.h: Undefine STARTFILE_SPEC and
        ENDFILE_SPEC before (re)defining them.

2002-02-17  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.
        * config/h8300/h8300.h: Likewise.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * doc/tm.texi: Explain why empty strings should not be
        marked for translation.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * final.c (output_operand_lossage): Changed to accept
        printf style arguments. Change calls where necessary.
        * output.h (output_operand_lossage): Change declaration
        accordingly. Update copyright.
        * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c
        config/m88k/m88k.c : Adapt all calls to output_operand_lossage.
        Update copyright date where necessary.

        * config/i386/i386.c (print_operand): Likewise. Remove use of
        sprintf.

        * config/cris/cris.c (cris_operand_lossage): Likewise.
        Rename parameter so that exgettext recognizes it as
        translatable message.
        (LOSE_AND_RETURN): Rename parameter to msgid.

2002-02-17  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a
        hard coded register number with an appropriate macro.
        (HARD_REGNO_MODE_OK): Likewise.
        (ARG_POINTER_REGNUM): Likewise.
        (STATIC_CHAIN_REGNUM): Likewise.
        (RETURN_ADDRESS_POINTER_REGNUM): Likewise.
        * config/h8300/h8300.md (define_constants): Define more
        register numbers.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * config/i386/i386.h: Don't mark empty strings for translation.

2002-02-16  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

2002-02-16  Zack Weinberg  <zack@codesourcery.com>

        * cppinit.c (merge_include_chains): Check for brack being
        NULL before attempting to merge it with qtail.

2002-02-16  Andrew Cagney  <ac131313@redhat.com>

        * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to
        DBX_DEBUG.

2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/t-pa, pa/t-pro, som.h: Revert last patch.

2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm.
        * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.
        * som.h (DO_GLOBAL_DTORS_BODY): Delete define.

Sat Feb 16 13:48:50 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms;
        now only if !TARGET_FIX.
        (*movsi_nt_vms_fix): New pattern.

2002-02-16  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c: Implement null frame procedure types on VMS.
        (alpha_procedure_type): Replaces alpha_is_stack_procedure.
        (alpha_sa_mask, alpha_sa_size): Reflect above change.
        (alpha_pv_save_size, alpha_expand_prologue): Likewise.
        (alpha_start_function, alpha_expand_epilogue): Likewise.
        (unicosmk_gen_dsib): Likewise.

Sat Feb 16 13:39:09 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE.

2002-02-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (pool_stop_uid, other_chunk, far_away,
        check_and_change_labels, s390_final_chunkify): Delete.
        (s390_split_branches, s390_chunkify_pool): New functions.
        (s390_function_prologue): Call them.

        * config/s390/s390.h (S390_REL_MAX): Delete.
        (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values.

        * config/s390/s390.md (cjump, icjump, jump): Fix length
        attribute calculation.


2002-02-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete.
        * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64.

2002-02-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * gcc.c (init_gcc_specs): Revert patch from 2002-02-15.
        * config/pa/pa-linux.h (LIB_SPEC): Likewise.
        * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise.

2002-02-15  Richard Sandiford  <rsandifo@redhat.com>

        * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls.

2002-02-15  Richard Sandiford  <rsandifo@redhat.com>

        * reload.c (find_dummy_reload): Check that an output register
        is valid for its mode.

2002-02-14  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (known_cond): After replacing the REG of a SUBREG, try
        to simplify it.

        * function.c (assign_parms): Demote promoted argument passed by
        transparent reference.

2001-02-14      Joel Sherrill <joel@OARcorp.com>

        * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
        -Acpu() and -Amachine() to eliminate warnings.

2002-02-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.

2002-02-14  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype for
        const_costs.
        * config/h8300/h8300.c (const_costs): Treat SET as a little
        more expensive operation.
        * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
        reference to const_costs.

2002-02-14  Hans-Peter Nilsson  <hp@axis.com>

        * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.

2002-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR c/5503:
        * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
        use arguments from newtype.

2002-02-13  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (override_options): Add check for march/mipsX
        on the same command line. Fix error message in cpu processing.
        Remove architecture and ISA checks.

2002-02-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.

        * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.

2002-02-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
        alternatives.
        ("*movv8hi_internal1"): Same.
        ("*movv16qi_internal1"): Same.
        ("*movv4sf_internal1"): Same.

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
        not push_reload for altivec modes.

2002-02-13  Joel Sherrill  <joel@OARcorp.com>

        * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
        all RTEMS targets including removal of #includes from config/*/rtems*.h
        file and adding them to tm_file setting. Added xm_defines=POSIX to
        many targets.
        * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
        * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
        * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
        * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
        * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
        config/m68k/rtemself.h: Ditto.
        * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
        config/mips/rtems64.h: Ditto.
        * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
        * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
        Ditto.
        * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
        config/sparc/rtemself.h: Ditto.
        * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
        * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
        arm-rtems stanza closer to other arm-elf targets and made arm-rtems
        more like arm-elf.
        * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
        config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
        target made more similar to i386-elf.
        * config/i386/t-rtems-i386: Added soft float support and multilibs.
        * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
        be similar to config/m68k/t-m68kelf.
        * gthr-rtems.h: Encapsulate with extern "C" for C++.

Wed Feb 13 23:41:15 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regmove.c (kill_value): Handle subregs.

Wed Feb 13 23:34:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (mul patterns): Allow memory operand to be first;
        add expanders where needed; fix constraints.
        (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
        Allow memory operand to be the first.

        * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
        operands.

2002-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/5681:
        * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
        GET_MODE (x).

2002-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5547:
        * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
        all valid IA-32 address modes involving non-scaled %ebx and
        GOT/GOTOFF as displacement.

2002-02-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
        after emitting ltorg insns.

        * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
        *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
        *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
        *abssf2): Fix "op_type" attribute.

2002-02-13  Douglas B Rupp  <rupp@gnat.com>

        * mkconfig.sh: Avoid using a subshell redirect.
        ($output.T): Change to $(output)T.
        (ENABLE_NLS): Remove unneeded undef.

        * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
        * config/alpha/x-vms (libsubdir): Define.

        * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
        register frame procedures. Optimize retrieving context.

        * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
        (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
        * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.

Wed Feb 13 09:45:08 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
        Make same change as for find_base_value.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
        of QImode and SImode.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
        length computation of movsi.
        * config/h8300/h8300.md (movsi_h8300hs): Correct the length.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (subqi3): Tighten the predicate for
        operands[2] to register_operand.

Wed Feb 13 10:35:56 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.

2002-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Use predicate altivec_register_operand
        for altivec_lvx* and altivec_stvx*.
        ("*movv4si_internal"): Add constraint for loading from GPRs.
        ("*movv8hi_internal1"): Same.
        ("*movv16qi_internal1"): Same.
        ("*movv4sf_internal1"): Same.

        * config/rs6000/rs6000.c (altivec_register_operand): New.

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        altivec_register_operand.

2002-02-13  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
        handle SYMBOL_REF.

2002-02-13  Stan Shebs  <shebs@apple.com>

        * c-typeck.c (digest_init): Handle vectors.
        (really_start_incremental_init): Same.
        (pop_init_level): Same.
        (process_init_element): Same.

        * varasm.c (output_constant): Same.

        * expr.c (clear_storage): Same.
        (store_constructor): Same.

2002-02-12  Eric Christopher  <echristo@redhat.com>

        * explow.c (hard_function_value): Add comment explaining
        signed/unsigned comparison.

2002-02-12  Jakub Jelinek  <jakub@redhat.com>

        * jump.c (never_reached_warning): Add finish argument.
        If finish is NULL, stop on CODE_LABEL, otherwise stop before first
        real insn after end.
        * rtl.h (never_reached_warning): Adjust prototype.
        * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
        * cfgrtl.c (flow_delete_block): Pass b->end as finish to
        never_reached_warning.

2002-02-12  Graham Stott  <grahams@redhat.com>

        * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.

2002-02-12  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
        logical shifts on H8/300.
        (shift_alg_si): Improve several shifts on H8/300.
        (get_shift_alg): Likewise.

2002-02-12  Graham Stott  <grahams@redhat.com>

        * config/pa/pa.c (compute_movstrsi_length): Fix typos.

Tue Feb 12 10:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
        Handle #ifdef POINTERS_EXTEND_UNSIGNED.

2002-02-11  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
        non-CONST_INT through default_assemble_integer.
        <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
        <case 8>: Abort for CONST_DOUBLE.

2002-02-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
        is specified.
        * config/pa/pa-linux.h (LIB_SPEC): Delete.
        * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.

2002-02-11  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.md (zero_extendqihi2): New.

2002-02-11  Alexandre Oliva  <aoliva@redhat.com>

        * regrename.c (regrename_optimize): Don't accept a
        part-clobbered register if the replaced register is not part
        clobbered.

        * calls.c (store_one_arg): In the non-BLKmode non-partial case,
        take padding into account when computing the argument value.

        * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.

        * combine.c (try_combine): Apply substitutions in
        CALL_INSN_FUNCTION_USAGE too.

2002-02-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Handle
        __builtin_altivec_abs*.
        (bdesc_abs): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Add
        ALTIVEC_BUILTIN_ABS*.

        * config/rs6000/altivec.h: Use const char for builtins expecting
        literals.
        (vec_abs): New versions for C and C++.
        (vec_abss): Same.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
        using Pmode.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
        constant definition from h8300.md.
        (FRAME_POINTER_REGNUM): Likewise.
        * config/h8300/h8300.md (define_constants): Add FP_REG.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove redundant code.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
        * config/h8300/h8300.c (byte_reg): Make it static.

2002-02-10  Richard Henderson  <rth@redhat.com>

        PR c/5623
        * c-typeck.c (incomplete_type_error): Handle flexible array members.

2002-02-10  Richard Henderson  <rth@redhat.com>

        PR c++/5624
        * tree.c (append_random_chars): Don't abort if main_input_filename
        does not exist.

2002-02-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
        (pushhi1): Likewise.

2002-02-10  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
        * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.

2002-02-09  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
        remove MASK_VIS.
        (ASM_CPU_DEFAULT_SPEC): Remove.  Default setting is fine.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
        a half of an SImode register on H8/300.

Sat Feb  9 18:28:02 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (movdi_2): Add missing '!'.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.  Remove commented-out
        definitions.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (length): Correct the distance valid
        for the short branch.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (iorhi3): Tighten the predicates.

2002-02-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
        registers in SImode.
        (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
        part-clobbered.

        * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
        patch.

        Contribute sh64-elf.
        2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
        (sh_cannot_modify_jumps_p): New function.
        2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
        (sh_ms_bitfield_layout_p): New function.
        2002-02-04  Alexandre Oliva  <aoliva@redhat.com>
                    Zack Weinberg  <zack@codesourcery.com>
        * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
        expand_simple_binop instead of expand_binop.
        2002-02-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
        use of .quad and .uaquad.
        * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
        TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
        2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movdi_const, movdi_const_32bit,
        movdi_const_16bit): Make sure all CONSTs have modes.
        (sym2PIC): Ditto, but by adjusting all callers.
        * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
        if the prologue calls the SHmedia argument decoder or register
        saver.
        2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
        (TARGET_ASM_ALIGNED_DI_OP): Likewise.
        (sh_expand_epilogue): Don't emit USE of return target register.
        (prepare_move_operands): Legitimize DImode PIC addresses.
        (sh_media_register_for_return): Skip tr0, used to initialize the
        PIC register.
        (sh_expand_prologue): Remove explicit USE of return register.
        (nonpic_symbol_mentioned_p): PC is non-PIC.  Don't recurse in
        CONST_DOUBLEs.  UNSPEC_GOTPLT is PIC.
        * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
        (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
        (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
        EXTRA_CONSTRAINT_T.
        (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
        (MOVI_SHORI_BASE_OPERAND_P): New.
        (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
        (EXTRA_CONSTRAINT_T): Define in terms of them.
        (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
        * config/sh/sh.md (movsi_media, movsi_media_nofpu,
        movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
        alternatives supporting TARGET_REGS.
        (UNSPEC_GOTPLT): New constant.
        (movdi split): Move incrementing of LABEL_NUSES...
        (movdi_const, movdi_const_32bit): Here.  Use
        MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
        (movdi_const_16bit): New.
        (call, call_value) [flag_pic]: Use GOTPLT.
        (call_pop, call_value_pop): New expands.
        (call_pop_compact, call_pop_rettramp): New insns.
        (call_value_pop_compact, call_value_pop_rettramp): New insns.
        (sibcall) [flag_pic]: Use GOT.
        (builtint_setjmp_receiver): Remove bogus, unused expand.
        (GOTaddr2picreg): Implement for SHcompact and SHmedia.
        (*pt, *ptb, ptrel): New insns.
        (sym2GOT): Handle DImode GOT.
        (sym2GOTPLT, symGOTPLT2reg): New expands.
        (sym2PIC): New expand.
        (shcompact_return_tramp): Use GOTPLT to return trampoline.
        (shcompact_return_tramp_i): Use return register explicitly.
        * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
        disable flag_reorder_blocks.
        2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sibcall_compact): Reorder return, uses and
        clobbers, for clarity.
        (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
        restoring of r0 in macl as MAYBE_DEAD.
        2002-01-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
        * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
        alter_subreg all over.
        (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
        reload, instead of emitting instructions that would require
        reloading.
        (casesi_load_media): Add missing modes.
        2001-11-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
        as used if the argument decoder is called.
        2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
        Pmode, then extend it to DImode if necessary.
        2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
        * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
        constants in FPU-enabled SHmedia, let them be loaded from memory.
        2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
        Adjust whitespace in assembly output templates.
        2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
        * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
        mode of if_then_else.
        2001-08-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
        sh.h.
        2001-07-26  Andrew Haley  <aph@cambridge.redhat.com>
                    Joern Rennecke <amylaar@redhat.com>
        * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
        (SUBTARGET_CPP_PTR_SPEC): New.
        (SUBTARGET_CPP_SPEC): Remove.
        2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
        * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
        Fix typo in previous checkin.
        2001-07-11  Chandrakala Chavva  <cchavva@redhat.com>
        * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
        2001-07-10  Chandrakala Chavva  <cchavva@cygnus.com>
                    Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
        what single FP register can hold for SHmedia target.
        2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
                    Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
        Do not split into SUBREG.
        2001-06-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
        and added new functions as specified in SH5 ABI r9.
        2001-06-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
        8-byte boundary.
        2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (dump_table): Add const0_rtx in calls of
        gen_consttable_4 and gen_consttable_8.  Emit multiple labels
        and consttable_window_ends.
        2001-06-03  Graham Stott  <grahams@redhat,com>
        * config/sh/sh.md (movdi split): Remove unused variable last_insn.
        2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (print_operand): Handle floating-point pair,
        vector and matrix registers.
        * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
        vector modes into account.
        * config/sh/sh.md (movv2sf): Split move between registers into
        movdf.
        (movv4sf, movv16sf): Introduce insns that get split only after
        reload.
        * config/sh/shmedia.h: Fix Copyright dates.
        * config/sh/ushmedia.h: Likewise.  Move loop counter
        declarations into conditionals that uses them.
        (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
        loop boundary.
        * config/sh/sshmedia.h: Fix Copyright dates.
        (sh_media_PUTCFG): Fix constraints.
        2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
        ptrmemfunc_vbit_in_delta for SH5.
        2001-05-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
        * invoke.texi: Likewise.
        2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
        GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
        GCC_pop_shmedia_regs_nofpu): New global symbols.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
        * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
        * config/sh/sh.c (calc_live_regs): Account for PR's saving in
        compact function with nonlocal labels.
        (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
        (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
        (initial_elimination_offset): Account for their stack space.
        * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
        * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
        movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
        movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
        least one of the operands to be a register.
        (movv2sf): Likewise.  Renamed to movv2sf_i.
        (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
        prepare_move_operands() before emitting SHmedia insns.
        2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
        Don't save nor initialize r12.  Don't mis-align the stack.
        Pad the code with a nop.
        * config/sh/crti.asm: Don't restore r12.  Don't mis-align the
        stack.
        2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
        * gcc/longlong.h (__umulsidi3, count_leading_zeros)
        [__SHMEDIA__]: Implement.
        2001-03-11  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md: Set latency of `pt' closer to reality.
        (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
        movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
        Set move, load and store type attributes.
        * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
        * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
        profiling.
        * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
        * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
        * config/sh/sh.c (sh_media_register_for_return): New function.
        (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
        branch-target register.
        (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
        * config/sh/sh.md (return_media_i): Use any call-clobbered
        branch-target register.
        (return_media): If r18 wasn't copied in the prologue, copy it
        here.
        * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
        Clear class FP0_REGS.
        * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
        from elf.h.
        2001-03-08  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
        2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
        2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
        2001-02-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
        return value correctly for call_cookie.
        2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crt1.asm (start): Modified so as to call
        ___setup_argv_and_call_main.
        2001-01-26  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
        SHmedia mode.
        2001-01-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
        (STRIP_NAME_ENCODING): Use it.
        (ASM_OUTPUT_LABELREF): Likewise.  Don't call assemble_name().
        2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
        prepare_scc_operands().
        * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
        (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
        2001-01-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
        2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
        * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
        used in shcompact_incoming_args.
        * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
        change.
        * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
        mode.
        * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
        Adjust accordingly.
        * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
        Simplify.  Adjust.  Add sanity check.
        * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
        FPU_SINGLE_BIT.
        * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
        TARGET_SHCOMPACT.
        (udivsi3, divsi3): Use them.
        (force_mode_for_call): New insn.
        (call, call_value, sibcall_value): Emit it before SHcompact
        calls.
        2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (call, call_value, sibcall): Make sure the
        call cookie is non-NULL before taking its value.
        2001-01-10  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
        2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (shcompact_incoming_args): Set argument memory
        block.
        * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
        * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
        temporary for stack adjusts.  Use MACL and MACH to pass
        arguments to shcompact_incoming_args.
        * config/sh/sh.md (shcompact_incoming_args): Adjust.  Don't
        clobber r1.
        * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
        (nested_trampoline): Load static chain address into r1.
        * config/sh/sh.md (movdi_media splits): Fix sign-extension.
        2001-01-07  Alexandre Oliva  <aoliva@redhat.com
        * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
        fp_arith_reg_operand().
        2001-01-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (casesi): Sign-extend the first two operands,
        and use signed compares for them.
        * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
        4-byte ones.  Instead, inter-leave them, maintaining the 8-byte
        ones properly aligned.
        (find_barrier): Account for extra alignment needed for 8-byte wide
        constants.
        (machine_dependent_reorg): Require a label for the second 4-byte
        constant after an 8-byte one.
        * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
        change.
        2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
        last_float when switching float modes.
        * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
        auto-increment for general-purpose registers.
        * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
        result.
        * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
        for stack adjust.
        * config/sh/sh.c (sh_builtin_saveregs): Support using all
        registers for varargs.
        2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
        * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
        CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
        (CALL_COOKIE_INT_REG_SHIFT): Adjust.
        (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK.  Adjust
        call_cookie accordingly.
        (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
        (SHCOMPACT_BYREF): Likewise.
        (SHCOMPACT_FORCE_ON_STACK): New macro.
        * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
        (sh_builtin_saveregs): Likewise.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_incoming_args): Use new shift values.  Support
        sequences of consecutive and non-consecutive pushes/pops.
        * config/sh/sh.md (return): Don't explicitly use PR_REG.
        2001-01-05  Hans-Peter Nilsson  <hpn@cygnus.com>
        * config/sh/sh.h (TEXT_SECTION): Define.
        * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
        2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
        * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
        return values on FPU-enabled SHmedia.
        (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
        FPU-enabled SHmedia.
        (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
        value is returned in a non-FP reg and is not returned by
        reference.
        * config/sh/sh.md (shcompact_return_tramp_i): Change type to
        jump_ind.
        2000-01-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
        (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
        quad-aligned to be passed by callee-copy reference.
        2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
        * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
        2001-01-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
        copying low-numbered FP regs to r7 and r8.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
        FP regs to general-purpose regs only if the copy was passed on the
        stack.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
        copying FP reg to r9.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
        copy FP regs to general-purpose regs only in outgoing calls.
        * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
        change from     2000-10-30.  Adjust for 64-bit (or 32-bit)
        HOST_WIDE_INT.
        * config/sh/sh.h (struct sh_args): Document all fields.
        (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
        passed partially on the stack should not consider making
        sibcalls.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
        stack_regs only for incoming calls.  When passing FP args,
        make sure there are FP regs available before modifying
        call_cookie.
        (SHCOMPACT_BYREF): Pass double args in general-purpose
        registers by reference.
        2000-12-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
        attempt to generate sibcalls if the caller got any arguments
        by reference.
        * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
        * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
        to 8-byte boundaries.
        * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
        * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
        * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
        stored in the stack.
        * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
        for the offsets to have the ISA bit set.
        (shcompact_call_trampoline): Document.  Swap r0 and r1, to match
        invocation.  Use beq instead of bgt to mark end of sequence of
        loads.
        (shcompact_incoming_args): Fix store of r2.  Use beq instead of
        bgt to mark end of sequence of stores.
        * config/sh/sh.c (arith_operand): Don't check whether
        CONST_OK_FOR_J for now.
        * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
        instead of long for conversion.
        2000-12-29  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (print_operand_address): Convert INTVAL to int
        before passing it to fprintf.
        2000-12-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
        Call set_fpscr before reading/writing SR.
        * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
        Call set_fpscr.
        * config/sh/lib1funcs.asm: Add `.align 2' directives before
        SHmedia code.
        (FMOVD_WORKS): Define on SH5 with FPU.
        (set_fpscr): Define on SH5.  Remove separate _fpscr_values
        setting.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
        _fpscr_values.
        2000-12-28  Hans-Peter Nilsson  <hpn@cygnus.com>
        * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
        address.
        (ia_main_table): Ditto.
        2000-12-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
        * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
        the definitions from sh.h.
        * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
        TARGET_SH5.
        (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
        * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
        2000-12-26  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
        Increment LABEL_NUSES.

        * config/sh/sh.h (SIZE_TYPE): Define as conditional on
        TARGET_SH5.
        (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
        defined.
        * config/sh/elf.h (SIZE_TYPE): Likewise.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_incoming_args): Load switch table addresses using
        datalabel.
        * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
        (NO_BUILTIN_SIZE_TYPE): Define.
        (SIZE_TYPE): Don't define.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
        * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
        definition of __SH5__=32 for -m5-compact-nofpu.
        * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
        ADDR_DIFF_VEC.
        2000-12-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
        2000-12-23  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
        (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
        (INSN_LENGTH_ALIGNMENT): Likewise.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (call, call_value, sibcall): Simplify
        copying of non-branch-target register.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * glimits.h (__LONG_MAX__): Revert      2000-12-13's patch.
        * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
        floating-point values as structs.
        (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
        (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
        general-purpose register.
        (SH5_PROTOTYPED_FLOAT_ARG): New macro.
        2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
        * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
        * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
        (ENCODE_SECTION_INFO): Enclose variables and constants in
        DATALABEL unspecs.
        (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
        (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
        (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
        * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
        only for LABEL_REFs.  For SYMBOL_REFs, prepend
        SH_DATALABEL_ENCODING to the symbol name.
        * config/sh/sh.md (indirect_jump): Use SUBREG instead of
        convert_mode().
        2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
        UNSPEC_DATALABEL.
        * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
        * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
        (DATALABEL_REF_P): Don't require CONST.
        (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
        REL label.
        2000-12-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
        right.
        2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movsi_media, call, call_value, sibcall):
        Use shallow_copy_rtx and PUT_MODE to change the mode of
        SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
        * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
        on SHmedia using GENERAL_REGs.
        * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
        bltu_media_i): Fix reversion of conditions.
        2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
        * config/sh/sh.c (output_far_jump): Save r13 in macl.
        2000-12-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
        2000-12-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
        (GCC_nested_trampoline): Likewise.
        * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
        * config/sh/sh.c (gen_datalabel_ref): Define.
        * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
        (INITIALIZE_TRAMPOLINE): Likewise.
        (TRAMPOLINE_ADJUST_ADDRESS): Define.
        (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
        (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
        (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
        * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
        (ic_invalidate): Adjust for SH5.
        (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
        _nested_trampoline.
        2000-12-15  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
        (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
        2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
        * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
        2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (target_reg_operand): Match only target-branch
        registers and pseudos that aren't virtual registers.
        * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
        Copy operands that don't match target_reg_operand to pseudos.
        (call_media, call_value_media, sibcall_media): Use
        target_reg_operand instead of target_operand.
        2000-12-13  Alexandre Oliva  <aoliva@redhat.com>
        * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
        * config/sh/sh.c (target_reg_operand): Match hardware registers
        other than branch-target registers.
        * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
        * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
        (fpscr_values) [SH5 == 32]: Define.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
        * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
        Handle function addresses coming in SUBREGs.
        2000-12-12  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_return_trampoline): Use datalabel where appropriate.
        2000-12-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
        general-purpose register to copy one branch-target register to
        another.
        2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (target_operand): Accept LABEL_REFs and
        SYMBOL_REFs with VOIDmode.
        * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
        bltu_media_i): New insns.
        2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
        (INIT_CUMULATIVE_ARGS): Likewise.
        2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
        * machmode.def (V16SFmode): New mode.
        * c-common.c (type_for_mode): Support V2SF and V16SF.
        * tree.c (build_common_tree_nodes_2): Likewise.
        * tree.h (tree_index): Likewise.
        * calls.c (emit_call_1): Take args_so_far.  Adjust all
        callers.  Introduce CALL_POPS_ARGS.
        * tm.texi (CALL_POPS_ARGS): Document.
        * config/sh/crt1.asm: Implement in SHmedia mode.
        * config/sh/crti.asm, config/sh/crtn.asm: Likewise
        * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
        (DBX_REGISTER_NUMBER): Renumber registers for SH5.
        * config/sh/lib1funcs.asm: Disable functions unused in SH5.
        Implement divsi and udivsi in SHmedia mode.  Introduce
        SHcompact trampolines.
        * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
        only in SHmedia64.
        (regno_reg_class): Rewrite.
        (fp_reg_names): Remove.
        (sh_register_names, sh_additional_register_names): New.
        (print_operand): Added `u'.  Support SUBREGs in addresses.
        Add parentheses around shifted CONSTs.
        (output_file_start): Output .mode and .abi directives.
        (shiftcosts, addsubcosts, multcosts): Adjust.
        (output_stack_adjust): Compute alignment.  Sanity-check SIZE.
        (push_regs): Take array of HOST_WIDE_INTs.  Adjust callers.
        (calc_live_regs): Output to array of HOST_WIDE_INTs.  Count
        bytes, not registers.  Take into account the need for the
        SHcompact incoming args trampoline.  Adjust all callers.
        (sh_expand_prologue): Take stack_regs into account.  Call
        incoming args trampoline.  Keep stack aligned as per SH5 ABI.
        (sh_expand_epilogue): Take stack_regs into accoutn.  Keep
        stack aligned as per SH5 ABI.
        (sh_builtin_saveregs): Support SH5 ABI.
        (sh_build_va_list, sh_va_start): Likewise.
        (initial_elimination_offset): Take alignment into account.
        Compute location of PR according to the SH5 stack frame.
        (arith_reg_operand): Reject branch-target registers.
        (shmedia_6bit_operand): New.
        (logical_operand): Use CONST_OK_FOR_P on SHmedia.
        (target_reg_operand): Match DImode only.  Accept SUBREGs.
        (target_operand): New.
        * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
        (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI.  Initialize
        SIBCALL_REGS for SHmedia.
        (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
        (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
        (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
        (TARGET_SWITCHES): New SH5 flags.
        (OVERRIDE_OPTIONS): Set SH5-specific options.  Use
        VALID_REGISTER_P to disable unsupported registers.
        (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
        (POINTER_SIZE, PARM_BOUNDARY): Adjust.
        (FUNCTION_ARG_PADDING): Define.
        (FASTEST_ALIGNMENT): Adjust.
        (SH_REGISTER_NAMES_INITIALIZER): New.
        (sh_register_names): Declare.
        (DEBUG_REGISTER_NAMES): Define.
        (REGISTER_NAMES): Define based on sh_register_names.
        (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
        (sh_additional_register_names): Declare.
        (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
        (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
        (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
        (REGISTER_NATURAL_MODE): Define.
        (FIRST_PSEUDO_REGISTER): Adjust.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
        (HARD_REGNO_CALL_PART_CLOBBERED): Define.
        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
        (VECTOR_MODE_SUPPORTED_P): Define.
        (REG_CLASS_CONTENTS): Adjust.
        (SMALL_REGISTER_CLASSES): Adjust.
        (REG_ALLOC_ORDER): Adjust.
        (INDEX_REG_CLASS): Adjust.
        (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
        (CONST_OK_FOR_LETTER_P): Adjust.
        (PREFERRED_RELOAD_CLASS): Adjust.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
        (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
        (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
        (FIRST_FP_PARM_REG): Adjust.
        (CALL_POPS_ARGS): Define.
        (FUNCTION_ARG_REGNO_P): Adjust.
        (struct sh_args): New fields.
        (GET_SH_ARG_CLASS): Adjust.
        (INIT_CUMULATIVE_ARGS): Adjust.
        (INIT_CUMULATIVE_INCOMING_ARGS): Define.
        (FUNCTION_ARG_ADVANCE): Adjust.
        (FUNCTION_ARG): Adjust.
        (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
        (FUNCTION_ARG_CALLEE_COPIES): Define.
        (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
        (STRICT_ARGUMENT_NAMING): Define.
        (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
        (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
        (SH5_WOULD_BE_PARTIAL_NREGS): Define.
        (SETUP_INCOMING_VARARGS): Adjust.
        (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
        (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
        (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
        (SUBREG_OK_FOR_INDEX_P): Adjust.
        (EXTRA_CONSTRAINT_S): Update.
        (EXTRA_CONSTRAINT_T): New.
        (EXTRA_CONSTRAINT): Adjust.
        (GO_IF_LEGITIMATE_INDEX): Adjust.
        (GO_IF_LEGITIMATE_ADDRESS): Adjust.
        (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
        (MOVE_MAX): Adjust.
        (MAX_MOVE_MAX): Define.
        (Pmode): Adjust.
        (CONST_COSTS): Adjust.
        (REGISTER_MOVE_COST): Adjust.
        (BRANCH_COST): Adjust.
        (TEXT_SECTION_ASM_OP): Adjust.
        (DBX_REGISTER_NUMBER): Adjust.
        (ASM_OUTPUT_DOUBLE_INT): New.
        (UNALIGNED_DOUBLE_INT_ASM_OP): New.
        (PREDICATE_CODES): Adjust.
        (PROMOTE_MODE): Adjust.
        (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
        * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
        (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
        (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
        (DR0_REG, DR2_REG, DR4_REG): Renumber.
        (TR0_REG, TR1_REG, TR2_REG): New.
        (XD0_REG): Renumber.
        (UNSPEC_COMPACT_ARGS): New.
        (type): Added pt and ptabs.
        (length): Default to 4 on SHmedia.  Default pt length to 12
        and     20 on SHmedia32 and SHmedia64, respectively.
        (pt): New function unit.
        (movdi, movsi): Add types pt and ptabs.  Don't increment LABEL_NUSES.
        Add whitespace between operands of SHmedia instructions.
        (movdicc): Fix.
        (adddi3_media, addsi3_media): Adjust constraints.
        (subsi3) [SHmedia]: Force operand 1 into a register.
        (udivsi3_i1_media, udivsi3_i4_media): New.
        (udivsi3): Support SHmedia.
        (divsi3_i1_media, divsi3_i4_media): New.
        (divsi3): Support SHmedia.
        (anddi3, iordi3, xordi3): Adjust constraints.
        (zero_extendhidi2, zero_extendqidi2): New.
        (extendsidi2, extendhidi2, extendqidi2): New.
        (push, pop, push_e, push_fpul, push_4): Disable on SH5.
        (pop_e, pop_fpul, pop_4): Likewise.
        (movsi_media): Support FP and BT registers.
        (movsi_media_nofpu): New.  Adjust splits to DImode.
        (lduw, ldub): Renamed to zero_extend* above.
        (movqi_media): Fix typo.
        (movdi_media): Support FP and BT registers.
        (movdi_media_nofpu): New.  Adjust splits for SHmedia32.
        (movdi_const_32bit): New.
        (shori_media): Require immediate operand.  Use `u' for output.
        (movdf_media, movsf_media): Simplified.
        (movdf_media_nofpu, movsf_media_nofpu): New.
        (movdf, movsf): Adjust
        (movv2sf, movv2sf, movv16sf): New.
        (beq_media, beq_media_i): Adjust constraints.  Don't use
        scratch BT register.
        (bne_media, bne_media_i): Likewise.
        (bgt_media, bgt_media_i): Likewise.
        (bge_media, bge_media_i): Likewise.
        (bgtu_media, bgtu_media_i): Likewise.
        (bgeu_media, bgeu_media_i): Likewise.
        (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
        bunordered): Emit jump insn.  Force operands to registers when
        needed.
        (jump_media, jump): Simplify.
        (call_compact, call_compact_rettramp): New.
        (call_value_compact, call_value_compact_rettramp): New.
        (call_media, call_value_media): Simplify.
        (sibcall_compact, sibcall_media): New.
        (call, call_value): Adjust for SHmedia and SHcompact.
        (sibcall, sibcall_value, untyped_call): Likewise.
        (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
        (indirect_jump): Adjust for SHmedia.
        (casesi_jump_media): New.
        (nop): Re-enable for SHmedia.
        (call_site): Restrict to SH1.
        (casesi): Adjust for SHmedia.
        (casesi_shift_media, casesi_load_media): New.
        (return): Explicitly use PR register.  Call return trampoline
        on SHcompact.
        (return_i): Explicitly use PR register.
        (shcompact_return_tramp, shcompact_return_tramp_i): New.
        (return_media): Adjust.
        (shcompact_incoming_args): New.
        (epilogue): Adjust.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
        (movstrsi): Disable on SH5.
        (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
        (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
        (subsf3, subsf3_media): Likewise.
        (mulsf3, mulsf3_media, mac_media): Likewise.
        (divsf3, divsf3_media): Likewise.
        (floatdisf2, floatsisf2_media): Likewise.  Adjust constraints.
        (floatsisf2, fux_truncsfsi2): Likewise.
        (fix_truncsfdi2, fix_truncsfsi2_media): Likewise.  Adjust
        constraints.
        (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
        (cmpunsf_media, cmpsf): Likewise.
        (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
        (abssf2, abssf2_media): Likewise.
        (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
        (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
        (floatdidf2, floatsidf2_media): Likewise.  Adjust constraints.
        (floatsidf2, fix_truncdfsi2): Likewise.
        (fix_truncdfdi2, fix_truncdfsi2_media): Likewise.  Adjust
        constraints.
        (cmpeqdf_media, cmpgtdf_media): Likewise.
        (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
        (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
        (absdf2, absdf2_media): Likewise.
        (extendsfdf2, extendsfdf2_media): Likewise.
        (truncsfdf2, truncsfdf2_media): Likewise.
        * config/sh/sh64.h: New file.
        * config/sh/t-sh64: New file.
        * config/sh/shmedia.h: New file.
        * config/sh/ushmedia.h: New file.
        * config/sh/sshmedia.h: New file.
        * configure.in: Added sh64-*-elf.
        * configure: Rebuilt.
        2000-10-10  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
        (reg_class_from_letter): Use `b' for TARGET_REGS.
        (print_operand): Support `%M', `%m', `AND' and
        `ASHIFTRT'.  Do not precede constants with `#' on SHmedia.
        (andcosts): Adjust for SHmedia.
        (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
        Likewise.
        (target_reg_operand): New function.
        * config/sh/sh-protos.h (target_reg_operand): Declare.
        * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
        FP registers on SH5.
        (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
        on SH4.
        (TARGET_REGISTER_P): New macro.
        (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
        (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
        (EXTRA_CONSTRAINT_S): New macro.
        (EXTRA_CONSTRAINT): Adjust.
        (FLOAT_TYPE_SIZE): Define to 32.
        (Pmode): DImode on SHmedia.
        (CONST_COSTS): Adjust for SHmedia literals.
        (PREDICATE_CODES): Added target_reg_operand.
        (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
        * config/sh/sh.md: Remove all attrs from SHmedia insns.
        (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
        (cmpdi): Accept SHmedia.
        (movdicc_false, movdicc_true): New insns.
        (movdicc): New expand.
        (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
        no_new_pseudos.
        (addsi3_media): Match `S' constraint.
        (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
        (negdi2): Expand for SHmedia.
        (one_cmpldi2): New expand.
        (zero_extendsidi2): Change from expand to insn.
        (extendsidi2): Add constraints.
        (movdi_media, movsi_media): Change `%x' to `%M'.  Use `%m' for
        LD/ST address.  Fix SI immediate loading split.
        (movhi_media, movqi_media, lduw, ldub): New insns.
        (movhi, movqi): Accept SHmedia.
        (shori_media, movdi_media): Relax input constraints.  Split
        symbolic constants.
        (movdf_media, movsf_media): New insn.  New split to movdi.
        (movdf, movsf): Match on SHmedia.
        (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
        bgeu_media): New insns and splits.  New insns with `_i' suffix.
        (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
        (bunordered): New expand.
        (jump_compact): Renamed from `jump'.
        (jump_media): New insn.
        (jump): New expand.
        (call_media, call_value_media): New insns.
        (call, call_value): Adjust.
        (indirect_jump_compact): Renamed from `indirect_jump'.
        (indirect_jump_media): New insn.
        (indirect_jump): New expand.
        (untyped_call, return): Accept SHmedia.
        (return_media): New insn.
        (prologue, epilogue, blockage): Accept SHmedia.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
        (sunordered): New expand.
        (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
        cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
        (addsf3_media, subsf3_media, mulsf3_media, mac_media,
        divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
        fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
        cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
        abssf2_media): New insns.
        (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
        cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
        (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
        floatdidf2, floatsidf2_media, fix_truncdfdi2,
        fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
        cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
        absdf2_media): New insns.
        (extendsfdf2, truncdfsf2): Adjust for SHmedia.
        (extendsfdf2_media, truncdfsf2_media): New insns.
        2000-09-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
        * config/sh/sh.h (CONST_OK_FOR_J): Document.
        (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
        * config/sh/sh.md (adddi3): New expand.
        (adddi3_media, adddi3z_media): New insns.
        (adddi3_compact): Renamed from adddi3.
        (addsi3_media): Use add.l r63 to add constant zero.
        (subdi3): New expand.
        (subdi3_media): New insn.
        (subdi3_compact): Renamed from subdi3.
        (mulsidi3): New expand.
        (mulsidi3_media): New insn.
        (mulsidi3_compact): Renamed from mulsidi3.
        (umulsidi3): New expand.
        (umulsidi3_media): New insn.
        (umulsidi3_compact): Renamed from umulsidi3.
        (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
        (ashlsi3, ashrsi3, lshrsi3): Use them.
        (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
        (ashldi3, ashrdi3, lshrdi3): Use them.
        (zero_extendsidi2): New expand.
        (extendsidi2): New insn.
        (movsi_media): New insn.  Split to movdi to load constants.
        (movsi): Enable for shmedia.
        (movdi_media): New insn.  Use shori_media to load wide constants.
        (short_media): New insn.
        (movdi): Enable for shmedia.
        2000-09-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (CPP_SPEC): Added `m5'.
        (SUBTARGET_CPP_SPEC): Added `!m5'.
        (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
        (TARGET_SWITCHES): Added `5' and `5-compact'.  Added SH1_BIT
        to all other SH variants.
        (TARGET_DEFAULT): Set to SH1_BIT.
        (OVERRIDE_OPTIONS): Recognize sh5 CPU.
        (BITS_PER_WORD): Raise to 64 on shmedia.
        (MAX_BITS_PER_WORD): Change to 64.
        (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
        (INT_TYPE_SIZE): Keep as 32.
        (UNITS_PER_WORD): Raise to 8 on shmedia.
        (MIN_UNITS_PER_WORD): Keep as 4.
        (POINTER_SIZE): Raise to 64 on shmedia.
        (CONST_OK_FOR_J): New macro.
        (CONST_OK_FOR_LETTER_P): Use it.
        (processor_type): Add PROCESSOR_SH5.
        * config/sh/sh.md: Conditionalize all expands, insns and
        splits to TARGET_SH1.
        (cpu): Added sh5.
        (addsi3_compact): Renamed from...
        (addsi3): Now an expand.
        (addsi3_media, subsi3_media): New insns.
        (subsi3): Don't negate constants with SHmedia.

        * hooks.c: New file.
        * hooks.h: New file.
        * Makefile.in (HOOKS_H): New.
        (TARGET_DEF_H): Added $(HOOKS_H).
        (OBJS): Added hooks.o.
        (cfgcleanup.o, bb-reorder.o): Added target.h.
        (hooks.o): Added dependencies.
        * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
        (TARGET_INITIALIZER): this.
        * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
        * target.h (struct gcc_target): Added cannot_modify_jumps_p.
        * bb-reorder.c: Include target.h.
        (reorder_basic_blocks): Skip if cannot modify jumps.
        * cfgcleanup.c: Include target.h.
        (try_optimize_cfg): Skip merge blocking if cannot modify jumps.

2002-02-08  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal, casesi_internal_di):
        Protect jump delay slot instructions with .set noreorder and
        .set nomacro.

2002-02-08  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal_di): Calculate
        the index into the target offset table correctly.

2002-02-08  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
        * final.c (output_addr_const): Accept and discard SUBREG.
        * varasm.c (decode_addr_const): Don't abort on unknown expressions --
        mark them unknown instead.
        (simplify_subtraction): Handle RTX_UNKNOWN.
        (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.

2002-02-08  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.

2002-02-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.

2002-02-08  Andreas Jaeger  <aj@suse.de>

        * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
        * config/i386/t-linux64: New file.

2002-02-08  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
        * c-parse.in (compstmt): Clear last_expr_type.

2002-02-07  Richard Henderson  <rth@redhat.com>

        * loop.c (strength_reduce): Sink final_value when not
        eliminating a biv.

2002-02-07  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/freebsd.h: Fix mismatched spec {.

2002-02-07  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c: Include recog.h and insn-config.h.
        (keep_with_call_p): Fix general_operand invocation.
        * Makefile.in (cfgrtl.o): Update dependencies.

2002-02-07  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
        comment.  Accept HImode only if TARGET_H8300.

2002-02-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/crtn.asm: Cleanup #ifdefs.

2002-02-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/crti.asm: Add changes for mips16. mips16 uses
        register 7 as RA instead of $31.
        * config/mips/crtn.asm: Ditto.
        * config/mips/mips.c (mips_move_2words): Add case for
        TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
        (compute_frame_size): Fix typo.
        (save_restore_insns): Ditto.  Make documentation about using
        register $7 as return register more precise.
        (mips_expand_epilogue): Fix comment. Add code to work around not
        being able to add to the stack pointer directly.
        * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
        to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
        epilogue.

2002-02-07  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
        immediates in ldu and stdu DS opcode field.
        * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
        * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Same.

2002-02-07  Jeff Sturm  <jsturm@one-point.com>

        * config/sparc/sparc.c (compute_frame_size): Don't correct frame
        offset for stack bias.

2002-02-07  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.

2002-02-07  Ulrich Weigand  <uweigand@de.ibm.com>

        * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.

Thu Feb  7 12:14:17 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (x86_order_regs_for_local_alloc): Declare
        * i386.c (x86_order_regs_for_local_alloc): New global function.
        * i386.h (REG_ALLOC_ORDER): CLeanup.
        (ORDER_REGS_FOR_LOCAL_ALLOC): New.

2002-02-07  Richard Henderson  <rth@redhat.com>

        PR optimization/2463
        * alias.c (find_base_value): Recall base values for fixed hard regs.
        * loop.c (loop_regs_update): Don't use single_set on non-insns.

2002-02-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.md (define_delay) [mips16]: Adjust required
        length.

2002-02-06  Richard Henderson  <rth@redhat.com>

        PR c/5609
        * stmt.c (resolve_operand_name_1): Take more care with mixed
        named and unnamed operands.

2002-02-06  Janis Johnson  <janis187@us.ibm.com>
            Jan Hubicka  <jh@suse.cz>

        * loop.c (remove_constant_addition): Avoid clobbering a shared
        CONST expression.

2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
        * config/s390/t-linux64: New file.
        * config/s390/libgcc-glibc.ver: New file.

2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux64.h: Delete file.
        * config/s390/s390x.h: New file.
        * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
        as target header file.
        * config/s390/linux.h (TARGET_VERSION): Define depending on
        DEFAULT_TARGET_64BIT.
        (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
        (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
        (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
        (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
        (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
        (EXTRA_SPEC): New define.
        * config/s390/s390.h (TARGET_VERSION): Define depending on
        DEFAULT_TARGET_64BIT.
        (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.

2002-02-06  Jason Merrill  <jason@redhat.com>

        * c-decl.c (finish_function): Warn about a non-void function with
        no return statement and no abnormal exit.
        (current_function_returns_abnormally): New variable.
        (start_function): Clear it.
        (struct c_language_function): Add returns_abnormally.
        (push_c_function_context): Save it.
        (pop_c_function_context): Restore it.
        (builtin_function): Set TREE_THIS_VOLATILE on return fns.
        (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
        an explicit return type.
        * c-tree.h: Declare current_function_returns_abnormally.
        (C_FUNCTION_IMPLICIT_INT): New macro.
        * c-typeck.c (build_function_call): Set it.
        (c_expand_return): Set current_function_returns_value even if the
        value is erroneous.

2002-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/5420:
        * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
        unsafe for reevaluation.

2002-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/5482:
        * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
        EXPR_STMT, but COMPOUND_STMT, recurse into it.

2002-02-06  Richard Henderson  <rth@redhat.com>

        * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
        be a general_operand.  Dest for function value must be a pseudo.

2002-02-06  Nick Clifton  <nickc@cambridge.redhat.com>

        * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
        as SYMBOL_REFs from the constant pool.

2002-02-06  Alexandre Oliva  <aoliva@redhat.com>

        * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
        passed by invisible reference.

2002-02-05  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.

2002-02-06  Hans-Peter Nilsson  <hp@bitrange.com>

        Implement using "base addresses" in insn operands as default.
        * config/mmix/mmix.c (mmix_conditional_register_usage): if
        -mabi=gnu, modify fixed_regs to fit the GNU ABI.
        (mmix_extra_constraint): Use 'R' to indicate that GETA should be
        used to read the rtx value.
        (mmix_target_asm_function_epilogue): Fix spacing.
        (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
        (mmix_legitimate_address): Ditto.
        (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
        should be loaded with a GETA insn.  Don't allocate needless extra
        char for nul termination and fix misleading comment.
        (mmix_print_operand_address): Handle constants if
        TARGET_BASE_ADDRESSES.
        (mmix_output_register_setting): Use base addressing if
        TARGET_BASE_ADDRESSES and the number of insns is 3.
        * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
        * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
        to use R as constraint, add LDA to match s.
        * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
        (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
        (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
        (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
        (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
        order with other fixed registers.
        (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
        other parameter/call-clobbered registers.
        * doc/invoke.texi (Option Summary) <MMIX Options>: Add
        -mbase-addresses, -mno-base-addresses.
        (MMIX Options): Ditto.

2002-02-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (PREDICATE_CODES): Add reg_before_reload_operand.

2002-02-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Change elem to _S_elem.

2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h (WCHAR_TYPE): Define.
        (WCHAR_TYPE_SIZE): Ditto.
        (WINT_TYPE): Ditto.
        * config/alpha/netbsd.h (WCHAR_TYPE): Remove.
        (WCHAR_UNSIGNED): Ditto.
        (WCHAR_TYPE_SIZE): Ditto.
        (WINT_TYPE): Ditto.
        * config/arm/netbsd.h: Likewise.
        * config/i386/netbsd-elf.h: Likewise.
        * config/i386/netbsd.h: Likewise.
        * config/m68k/netbsd-elf.h: Likewise.
        * config/m68k/netbsd.h: Likewise.
        * config/ns32k/netbsd.h: Likewise.
        * config/sparc/netbsd.h: Likewise.
        * config/vax/netbsd.: Likewise.

2002-02-05  Alexandre Oliva  <aoliva@redhat.com>

        * target.h (struct gcc_target): Added ms_bitfield_layout_p.
        * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New.  Added to...
        (TARGET_INITIALIZER): this.
        * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
        (BITFIELD_NBYTES_LIMITED): Markup fix.
        * tree.h (default_ms_bitfield_layout_p): Declare.
        (record_layout_info): Added prev_field.
        * tree.c (default_ms_bitfield_layout_p): New fn.
        * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
        PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
        * stor-layout.c: Include target.h.
        (start_record_layout): Initialize prev_field.
        (place_field): Handle MS bit-field layout, and disregard
        EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
        PCC_BITFIELD_TYPE_MATTERS in this case.  Update prev_field.
        * Makefile.in (stor-layout.o): Adjust dependencies.

2002-02-05  Jason Merrill  <jason@redhat.com>

        * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle.

2002-02-05  Andreas Jaeger  <aj@suse.de>

        * crtstuff.c: Fix comments.

2002-02-05  Richard Henderson  <rth@redhat.com>

        PR fortran/3393
        * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well.
        (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.

        PR fortran/3392
        * config/mips/mips.c (function_arg): Handle TImode.
        (function_arg_advance): Likewise.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_step_help): Rename to
        __vec_step_help.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Fix typos.

2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/arm/netbsd.h: Correct a comment.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo
        building void typed builtins.

        * config/rs6000/altivec.h (vec_ld*): Fix typos.
        (vec_step): Implement for C++.

Mon Feb  4 19:23:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * combine.c (nonzero_bits): Re-introduce special case for
        sp/fp/ap wrt REGNO_POINTER_ALIGN.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi: Warn about unsupported usage of altivec
        builtins.

        * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
        (altivec_predicate_*): New.

        * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
        Add C++ version of vec_*() functions.

        * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
        (bdesc_2arg): Remove altivec predicates.
        (altivec_expand_builtin): Handle predicates.
        (altivec_init_builtins): Handle predicates.
        (altivec_expand_predicate_builtin): New.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (DO_FRAME_NOTES): Move forward.
        (store_reg): Revise handling of frame notes.
        (load_reg): Likewise.
        (set_reg_plus_d): Likewise.
        (hppa_expand_prologue): Likewise.
        (hppa_expand_epilogue): Likewise.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/4475, c++/3780:
        * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
        * c-common.h (SWITCH_TYPE): Define.
        * c-typeck.c (c_start_case): Set SWITCH_TYPE.
        * stmt.c (all_cases_count): Set lastval to thisval at end of loop.
        Rename spareness variable to sparseness.
        (expand_end_case_type): Renamed from expand_end_case, use orig_type
        if non-NULL instead of TREE_TYPE (orig_index).
        * tree.h (expand_end_case_type): Renamed from expand_end_case.
        (expand_end_case): Define using expand_end_case_type.
        * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
        to expand_end_case_type.
        * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding.
        (BIGGEST_ALIGNMENT): Change to 128.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa32-linux.h (LINK_COMMAND_SPEC): Define.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.md (call_internal_reg_64bit): Remove unused variable.

2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.h (machine_function): Add uses_anonymous_args
        field.
        (SETUP_INCOMING_VARARGS): Set uses_anonymous_args.
        * config/arm/arm.c (current_function_anonymous_args): Delete,
        replace uses with cfun->machine->uses_anonymous_args.
        (arm_reorg): Do not reset uses_anonymous_args.

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
        any geenral register.

2001-02-04  Bernd Schmidt  <bernds@redhat.com>s

        * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
        the entry block.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * combine.c (force_to_mode): Remove STACK_BIAS code.
        (nonzero_bits): Likewise.  Replace sp/fp special case with
        REGNO_POINTER_ALIGN.

        * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP.
        (HARD_FRAME_POINTER_REGNUM): New.
        (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update.
        (FIXED_REGS, CALL_USED_REGS): Update.
        (REG_ALLOC_ORDER, REGISTER_NAMES): Update.
        (CONDITIONAL_REGISTER_USAGE): Update for HFP.
        (HARD_REGNO_NREGS): Update for SFP.
        (STACK_POINTER_OFFSET): Include bias here ...
        (FIRST_PARM_OFFSET): ... not here.
        (STACK_BIAS): Remove.
        (INIT_EXPANDERS): New.
        (STARTING_FRAME_OFFSET): Do not include bias.
        (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
        (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP.
        (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise.
        * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP.
        * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise.
        * config/sparc/sparc.c (mem_min_alignment): Update for HFP.
        (sparc_nonflat_function_prologue, epilogue_renumber): Likewise.
        (MUST_SAVE_REGISTER): Likewise.
        (sparc_flat_function_prologue): Likewise.
        (sparc_flat_function_epilogue): Likewise.
        (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK.
        (sparc_init_modes): SFP is GENERAL_REGS.
        (sparc_builtin_saveregs): SFP does not have bias applied.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (current_function_is_thunk): Don't check
        current_function_is_thunk.
        (alpha_sa_mask): Distinguish between current_function_is_thunk
        called from ASM_OUTPUT_MI_THUNK and not.
        (alpha_does_function_need_gp): Thunks always need gp.
        (alpha_start_function, alpha_output_function_end_prologue): Likewise.
        (alpha_output_mi_thunk_osf): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.

2002-02-04  Richard Sandiford  <rsandifo@redhat.com>

        * c-typeck.c (build_c_cast): Warn when qualifiers are added to
        function types, not when they're taken away.

Mon Feb  4 09:05:58 2002  Jeffrey A Law  (law@redhat.com)

        * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated
        CODE_LABEL and jump table when replacing a table jump with a
        simple jump.

2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (legitimize_la_operand,
        s390_secondary_input_reload_class, s390_plus_operand,
        s390_expand_plus_operand): Add prototypes.

        config/s390/s390.c (s390_secondary_input_reload_class,
        s390_plus_operand, s390_expand_plus_operand): New functions.

        (struct s390_address): New member 'pointer'.
        (s390_decompose_address): Compute it.
        (legitimate_la_operand_p): Use it.
        (legitimize_la_operand): New function.
        (movti, movdi, movdf splitters): Call it.

        config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
        (PREDICATE_CODES): Add s390_plus_operand.

        config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete.
        (la_ccclobber): Allow GENERAL_REGS as output operand.

        (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0,
        *reload_la_64, *reload_la_31 and splitters): Delete, replace by ...
        (*la_64, *la_31, reload_indi, reload_insi): ... these.

2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed
        register names for regular asm () construct.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsf_1): Allow moving SF values in MMX
        registers.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (recog_for_combine): Create a dummy insn with PATTERN
        pat for recog.

2002-02-04  Hartmut Penner  <hpenner@de.ibm.com>

        * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
        constant pool to be identical by string address and index.

2002-02-04  Anthony Green  <green@redhat.com>

        * output.h (SECTION_OVERRIDE): Define.
        * varasm.c (named_section): Obey SECTION_OVERRIDE.

2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match
        by existing arm*-*-netbsd* (a.out) target.
        (ns32k-*-netbsdelf*): Likewise.
        (sparc-*-netbsdelf*): Likewise.
        (vax-*-netbsdelf*): Likewise.

2002-02-03  Danny Smith <dannysmith@users.sourceforge.net>

        * gthr-win32.h: Protect against conflicting typedef for BOOL in windows
        headers and libobjc headers.

2002-02-03  Mumit Khan  <khan@nanotech.wisc.edu>

        * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++.
        (_mingw.h): Remove duplicate include.

2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc: Set cpu_type to m68k for 68010, as well.
        (m68010-*-netbsdelf*): New...
        (m68k*-*-netbsdelf*): ...targets.
        * config/m68k/netbsd-elf.h: New file.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (hand_list): Move inside function_arg.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8_push_ops): Move inside
        h8300_init_once.
        (h8_pop_ops): Likewise.
        (h8_move_ops): Likewise.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (os_task): Make it static.
        (monitor): Likewise.
        (pragma_saveall): Likewise.

2002-02-02  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (ic_invalidate_line): Make sure the immediate
        constant is a valid sign-extension for Pmode.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix formatting.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (one_cmpl patterns): Tighten the
        predicates of operands[1].  Split the patterns for each
        processor variant.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (xor patterns): Tighten the predicates
        of operands[1] to register_operand.

2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
        * cpphash.c (_cpp_init_hashtable): Similarly.
        * cppinit.c (cpp_create_reader): Default the signed_char flag.
        (init_builtins): Define __CHAR_UNSIGNED__ appropriately.
        (COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
        (cpp_handle_option): Handle the new options.
        * cpplex.c (cpp_interpret_charconst): Use new flag.
        * cpplib.h (struct cpp_options): New member signed_char.
        * gcc.c (cpp_unique_options): Remove %c spec and documentation.
        (cpp_options): Handle -fsigned-char and -funsigned-char.
        (static_specs): Remove signed_char_spec.
        (do_spec1): Don't handle %c.
        * system.h: Poison SIGNED_CHAR_SPEC.
        * tradcif.y (yylex): Use flag_signed_char.
        * tradcpp.h (flag_signed_char): New.
        * tradcpp.c (flag_signed_char): New.
        (main): Handle new command-line options.
        (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
        * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
        * avr/avr.h: Remove old comments.
        * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
        (CC1_SPEC): Pass -fsigned-char if -mic*.
        (SIGNED_CHAR_SPEC): Remove.
doc:
        * tm.texi (SIGNED_CHAR_SPEC): Remove documentation.

2002-02-01  Eric Christopher  <echristo@redhat.com>

        From Daniel Jacobowitz <dmj+@andrew.cmu.edu>
        * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling.
        * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine.
        (ASM_OUTPUT_REG_POP): Ditto.

2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
        patch.

2002-02-02  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators.

2002-02-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/5304:
        * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1
        unconditionally.

2002-02-01  Janis Johnson  <janis187@us.ibm.com>

        * cfganal.c: Include tm_p.h.
        (keep_with_call_p): Fix the test that determines if a register holds
        the return value of a call.

2002-02-01  DJ Delorie  <dj@redhat.com>

        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If
        we are given conflicting registers, switch to the other one we
        had allocated for us.
        * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2]
        as TImode so we know when the "other" register is available.

2002-02-01  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than
        sparc/sparc_bi.h.

2002-02-01  Janis Johnson  <janis187@us.ibm.com>

        * cfganal.c (keep_with_call_p): New function.
        (flow_call_edges_add): Prevent splitting a block between a call and
        a single-set instruction that should be kept in the same block.

2002-02-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (avr): Update outdated URL.

2002-01-30  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.md (pushqi): New.
        (popqi): New.
        (pushhi): New.
        (pophi): New.
        (movhi): Remove stack operands.
        (movqi): Likewise.
        * config/stormy16/stormy16.h (PREDICATE_CODES): Add
        nonimmediate_nonstack_operand.
        * config/stormy16/stormy16.c (nonimmediate_nonstack_operand):
        New.
        * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand)
        New.

2002-01-31  Jason Merrill  <jason@redhat.com>

        * Makefile.in (c-parse.c): Handle .output file.
        * objc/Make-lang.in (objc-parse.c): Likewise.

2002-02-01  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if
        the -me[lb] option is given.  Don't output the default flag
        twice.

2002-01-31  Zack Weinberg  <zack@codesourcery.com>

        * c-lex.c (yyparse): Call debug_hooks->start_source_file for
        the primary source file; this has not been done yet.
        * c-decl.c (c_expand_body): Reset input_filename from
        DECL_SOURCE_FILE (fndecl) before calling init_function_start.

2002-01-31  Kazu Hirata  <kazu@hxi.com>

        * rtlanal.c (subreg_regno_offset): Do not use
        SUBREG_REGNO_OFFSET.
        * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
        * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.

2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>

        * gccbug.in: Follow GNU Coding Standards for --version.  Use GCC
        version rather than GNATS version in --version output.

2002-01-31  Richard Sandiford  <rsandifo@redhat.com>

        * ifcvt.c (noce_process_if_block): Make a copy of the destination
        when copying back from a temporary.

2002-01-30  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (dead_or_predicable): Handling merging when other_bb
        and new_dest are the same.

2002-01-30  Richard Henderson  <rth@redhat.com>

        PR opt/5076
        * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.
        * rtl.c (note_insn_name): Update.
        * emit-rtl.c (remove_unnecessary_notes): Kill it.
        * stmt.c (expand_end_loop): Kill jump opt code.  Use LOOP_END_TOP_COND
        to perform loop rotation.
        (expand_exit_loop_top_cond): New.
        * tree.h (expand_exit_loop_top_cond): Declare it.
        * c-semantics.c (genrtl_while_stmt): Use it.
        (genrtl_for_stmt): Likewise.

2002-01-30  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
        arguments to 64-bit boundaries on 64-bit ABIs.

2002-01-30  Steve Ellcey  <sje@cup.hp.com>

        * loop.c (loop_invariant_p): Special case pic_offset_table_rtx.

2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-decl.c (grokdeclarator): Handle type being a typedef for an
        invalid type.

2002-01-30  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h.
        * config/sparc/sparc_bi.h: Remove file.
        * config/sparc/biarch64.h: New file (rename of sparc_bi.h).

2002-01-30  Richard Henderson  <rth@redhat.com>

        * sched-deps.c (sched_analyze): Make a call read the frame pointer.

2002-01-30  Zack Weinberg  <zack@codesourcery.com>

        * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1.

2002-01-30  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes.
        (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended.
        (reg_save): Use DW_CFA_offset_extended_sf instead.

        * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result
        in cselib_lookup.

2002-01-29  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.md ("*call_value_local32"): Remove constraints.
        ("*call_value_local64"): Same.
        ("*call_value_indirect_nonlocal_aix32"): Same.
        ("*call_value_nonlocal_aix32"): Same.
        ("*call_value_indirect_nonlocal_aix64"): Same.
        ("*call_value_nonlocal_aix64"): Same.
        ("*call_value_nonlocal_sysv"): Same.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * expr.c (force_operand): Ignore flag_pic for detecting pic
        address loads.
        * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
        for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
        * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
        instead of open-coded loop.
        * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
        be fixed when in use.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * sched-int.h (struct deps_reg): Add uses_length, clobbers_length.
        * sched-rgn.c (propagate_deps): Update them.
        * sched-deps.c (sched_analyze_insn): Update them.  Flush the
        clobbers list when either gets too long.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS
        and INDEX_REGS the same as GENERAL_REGS.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.

2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * tree.c (build_nonstandard_integer_type): Correct prototype.

2002-01-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (movstrsico, movstrdix_64,
        movstrsix_31): Remove, replace by ...
        (movstrdi_short, movstrsi_short, movstrdi_long,
        movstrsi_long): ... these.  New.
        (movstrdi, movstrsi): Adapt.

        (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64,
        ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3):
        Remove unnecessary CC clobber.
        (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64,
        *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New.

        (divmoddi4): Don't partially initialize TImode register.

2002-01-29  Geoffrey Keating  <geoffk@redhat.com>

        * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * flow.c (print_rtl_and_abort): Remove.
        (print_rtl_and_abort_fcn): Remove.
        (verify_local_live_at_start): Use dump_bb instead.
        (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
        (verify_wide_reg_1): Return 2 on mode test failure.

2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR c/3325, c/3326, c/2511, c/3347
        * c-decl.c (enum_decl_context): Remove BITFIELD.
        (grokdeclarator): Take bitfield width as an input.
        Ensure bitfields are given the correct type.  Perform
        bitfield width validation with build_bitfield_integer_type
        rather than waiting for finish_struct.
        (grok_typename, grok_typename_in_parm_context, start_decl,
        push_parmdecl, grokfield, start_function): Update calls to
        grokdeclarator.
        (build_bitfield_integer_type): New function.
        (finish_struct): Move bitfield validation to grokdeclarator
        and build_bitfield_integer_type.
        * tree.c (build_nonstandard_integer_type): New function.
        * tree.h (build_nonstandard_integer_type): New prototype.
objc:
        * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR other/1502:
        * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
        don't ignore unrecognized -W* options.
        (cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
        * cpplib.h (cpp_handle_option): Adjust prototype.
        * c-decl.c (c_decode_options): Pass 0 as last argument to
        cpp_handle_option.

        PR c/2896:
        * gcc.c (cpp_unique_options): Split from cpp_options.
        (cpp_options): Source cpp_unique_options.
        (default_compilers): Use cpp_unique_options instead of cpp_options
        when used together with cc1_options.
        (static_specs): Add cpp_unique_options.
        * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
        when used together with cc1_options.

2002-01-29  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype of
        output_a_shift.
        * config/h8300/h8300.c (output_a_shift): Remove an unused
        argument 'insn'.  Remove redundant code.
        * config/h8300/h8300.md: Adust to the new prototype of
        output_a_shift.

2002-01-29  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototypes of
        emit_a_rotate and expand_a_rotate.
        * config/h8300/h8300.c (emit_a_rotate): Change the type of the
        first argument to 'enum rtx_code'.
        (expand_a_rotate): Likewise.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype of
        output_simode_bld.
        * config/h8300/h8300.c (output_simode_bld): Remove an argumen
        'log2'.
        * config/h8300/h8300.md: Adjust to the new prototype.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove
        redundant code.

2002-01-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM
        is a fixed register before returning pic_offset_table_rtx.
        * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx
        when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined.

2002-01-28  Jason Merrill  <jason@redhat.com>

        * dwarf2.h: Sync with src version.

2002-01-28  Paul Koning  <pkoning@equallogic.com>

        * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
        BT_FN_VOID_PTR_VAR.
        * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
        * doc/extend.texi (__builtin_prefetch): Update documentation:
        first argument is now const void ptr.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove an unused prototype.

2002-01-28  Roman Zippel  <zippel@linux-m68k.org>

        * toplev.c (lang_independent_init): Round up identifier size.

2002-01-28  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc: Revert previous change.

2002-01-28  Andris Pavenis  <pavenis@latnet.lv>

        * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION

2002-01-28  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (*-*-netbsdelf*): Set up generic parameters.
        (*-*-netbsd*): Always use collect2.  Remove collect2 settings from
        other non-elf netbsd config frags.
        * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since
        collect2 will does that.
        * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that
        shared-lib frobbing will work.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.
        * config/h8300/h8300.md: Likewise.

2002-01-28  Loren J. Rittle  <ljrittle@acm.org>

        * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on
        the old, removed AAA_standards fix.
        * fixinc/fixincl.x: Rebuilt.

2002-01-28  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit
        atexit call in crtbegin, hooked in after call to frame_dummy;
        register EH before registering __fini__start.

2002-01-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Remove spurious semicolons.

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Replace dead bit extraction patterns
        with ones that work.

Sun Jan 27 13:23:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
        if not STRICT_ALIGNMENT.
        * rtl.h (MEM_ALIGN): Likewise.

2002-01-27  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/invoke.texi (-fdump-translation-unit): Revert this
        patch: 2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (define_constants): New.
        (anonymous patterns) Use defined constants appropriately.

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Remove redundant code.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * sched-deps.c (reg_pending_uses_head): New.
        (reg_pending_barrier): Rename from reg_pending_sets_all.
        (find_insn_list): Don't mark inline.
        (find_insn_mem_list): Remove.
        (add_dependence_list, add_dependence_list_and_free): New.
        (flush_pending_lists): Replace only_write param with separate
        for_read and for_write parameters.  Update all callers.  Use
        add_dependence_list_and_free.
        (sched_analyze_1): Do not add reg dependencies here; just set
        the pending bits.  Use add_dependence_list.
        (sched_analyze_2): Likewise.
        (sched_analyze_insn): Replace schedule_barrier_found with
        reg_pending_barrier.  Add all dependencies for pending reg
        uses, sets, and clobbers.
        (sched_analyze): Don't add reg dependencies for calls, just
        set pending bits.  Use regs_invalidated_by_call.  Treat
        sched_before_next_call as a normal list, not a fake insn.
        (init_deps): No funny init for sched_before_next_call.
        (free_deps): Free pending mems lists.  Don't zero reg_last.
        (init_deps_global): Init reg_pending_uses.
        (finish_deps_global): Free it.
        * sched-int.h (deps): Make in_post_call_group_p boolean.  Update docs.
        (find_insn_mem_list): Remove.
        * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
        (propagate_deps): Use them.  Zero temp mem lists.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * Makefile.in (CRTSTUFF_CFLAGS): New.
        (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
        * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
        crtstuff.c instead of alpha assembly version.
        * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
        entire dummy function sequence.  Use FORCE_CODE_SECTION_ALIGN
        not FORCE_{INIT,FINI}_SECTION_ALIGN.
        (__do_global_dtors_aux): Mark used.
        (frame_dummy, __do_global_ctors_aux): Mark used.
        (fini_dummy, init_dummy): Remove.

        * config/alpha/crtbegin.asm: Remove file.
        * config/alpha/crtend.asm: Remove file.
        * config/alpha/t-crtbe: Remove file.
        * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
        (LINK_EH_SPEC): New.

        * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
        FORCE_INIT_SECTION_ALIGN hack.  Register __fini_start before
        calling constructors.
        * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.

        * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
        * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
        CRT_END_INIT_DUMMY hack.
        * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
        FORCE_{INIT,FINI}_SECTION_ALIGN.

        * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
        FORCE_{INIT,FINI}_SECTION_ALIGN.

        * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
        invocation sequence.
        * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.

        * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
        (FORCE_CODE_SECTION_ALIGN): New.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too.
        (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs.

2002-01-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove bit extraction patterns that
        cannot be triggered.
        Restrict each bit extraction pattern to a variant on which the
        pattern is tested.

2002-01-26  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/include/texinfo.tex: Update to version 2002-01-04.07.

2002-01-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove bit test patterns that cannot
        be triggered.
        Restrict each bit test pattern to a variant on which the
        pattern is tested.

2002-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_strncat): Remove redundant check for
        INTEGER_CST.

2002-01-25  David O'Brien  <obrien@FreeBSD.org>

        * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide
        default setting.
        * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override
        existing setting.

2002-01-25  Geoffrey Keating  <geoffk@redhat.com>

        * dbxout.c (dbxout_init): Use assemble_name rather than just
        stripping off the first character.
        (dbxout_source_file): Likewise.

2002-01-25  DJ Delorie  <dj@redhat.com>

        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare
        using rtx_equal_p, not by comparing pointers.

2002-01-25  Steve Ellcey  <sje@cup.hp.com>

        * emit-rtl.c (gen_rtx_REG): Always return the same rtx
        for PIC_OFFSET_TABLE_REGNUM.
        (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.

2002-01-25  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (x86_64-*-freebsd*): New target.
        (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its
        value.
        (i[34567]86-*-freebsd*): Don't include svr4.h.
        * config/i386/freebsd64.h: New file.

2002-01-25  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/x-vms (version): Make static.

        * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error
        in previous checkin.

        * Makefile.in (install-headers-cp): New target.
        * config.gcc (alpha-dec-*vms*): Install headers with
        install-headers-cp

Fri Jan 25 22:42:49 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (unroll_loop): Lower final_value to nonmemory operand;
        avoid it's copies.

Fri Jan 25 08:26:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * builtins.c (expand_builtin_strncpy): Use integer_zerop instead
        of compare_tree_int.
        (expand_builtin_strncat): Likewise.
        * c-decl.c (finish_struct): Use tree_low_cst.
        * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT.
        * tree.c (compare_tree_int): Likewise.

2002-01-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (eliminate_regs_in_insn): Recognize frame pointer
        adjustments even if they are implemented by more than two insns.

Fri Jan 25 20:43:56 CET 2002  Jan Hubicka  <jh@suse.cz>

        * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg.
        * df.h (struct ref): Kill B.
        (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.

        * basic-block.h (PROP_EQUAL_NOTES): New flag.
        * flow.c (propagate_one_insn): Use it.
        (mark_used_regs): Handle NIL.

2002-01-25  Geoffrey Keating  <geoffk@redhat.com>

        * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM
        to help folding.

2002-01-25  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (prefetch): Make address V4SI mode so that the address
        is restricted to legitimate form for instruction.

2002-01-25  Bob Wilson  <bob.wilson@acm.org>

        * doc/install.texi (xtensa-*-elf): New target.
        (xtensa-*-linux*): New target.
        * doc/contrib.texi: Add myself.

2002-01-25  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general
        purpose register to hold an SImode (or smaller) value.

2002-01-25  Jakub Jelinek  <jakub@redhat.com>

        * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame*
        registry only.
        * crtstuff.c: Likewise.

2002-01-25  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (negation patterns): Tighten
        predicates to register_operand.

2002-01-24  Aldy Hernandez  <aldyh@redhat.com>

        * loop.c (emit_prefetch_instructions): Use the prefetch insn's
        mode, not Pmode.

        * builtins.c (expand_builtin_prefetch): Same.

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have
        modes.

2002-01-24  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        operand character 'A'.
        * config/h8300/h8300.md (three anonymous patterns): Replace
        operand character 'A' with either 'T' or 'S'.

2002-01-24  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        operand character 'U'.

2002-01-24  Andris Pavenis  <pavenis@latnet.lv>

        * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR.

2002-01-24  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode
        values to be assigned to the stack pointer.

2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * emit_rtl.c (gen_lowpart_common): Conversion from const_int
        to const_double needs to be done right for big-endian systems.

2002-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/2432
        * config/sparc/sparc.md (call-jump peepholes): Pass the right insn
        to can_throw_internal.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * fold-const.c (fold): Change UINT_MAX test to check vs precision
        rather than TYPE_MAX_VALUE.  Fix indentation and a bogus negation.

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands.
        (symGOT2reg): Use them, then set as GOT value as unchanging.
        (symGOTOFF2reg): Set REG_EQUAL note.  Use a different pseudo
        as a temporary, if possible.
        (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC.  Emit
        sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2).

2002-01-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix xorqi and xorqi so that they will
        accept to accept 0x80 as operands[2].

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo.

2002-01-23  Aldy Hernandez  <aldyh@redhat.com>

        * c-parse.in (parmlist_or_identifiers): Add maybe_attribute.
        (parmlist_or_identifiers_1): Verify that only a parmlist follows
        an attribute.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * expr.c (move_by_pieces_1): Extend size before negation.

        * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060.
        (MULTILIB_MATCHES): Remove 68040 and 68060 aliases.
        (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060.
        * config/m68k/t-m68kelf: Likewise.

2002-01-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/elf.h: New file.
        * config/xtensa/lib1funcs.asm: New file.
        * config/xtensa/lib2funcs.S: New file.
        * config/xtensa/linux.h: New file.
        * config/xtensa/t-xtensa: New file.
        * config/xtensa/xtensa-config.h: New file.
        * config/xtensa/xtensa-protos.h: New file.
        * config/xtensa/xtensa.c: New file.
        * config/xtensa/xtensa.h: New file.
        * config/xtensa/xtensa.md: New file.
        * config.gcc (xtensa-*-elf*): New target.
        (xtensa-*-linux*): New target.
        * cse.c (canon_hash): Compare rtx pointers instead of register
        numbers.  This is required for the Xtensa port.
        * integrate.c (copy_insn_list): Handle case where the static
        chain is in memory and the memory address has to be copied to
        a register.
        * doc/invoke.texi (Option Summary): Add Xtensa options.
        (Xtensa Options): New node.
        * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.

2002-01-23  Zack Weinberg  <zack@codesourcery.com>

        * diagnostic.c (internal_error): Do ICE suppression only
        when ENABLE_CHECKING is not defined.

        * c-typeck.c (require_complete_type): Return error_mark_node
        if type is error_mark_node.

2002-01-23  Janis Johnson  <janis187@us.ibm.com>

        * toplev.c (process_options): Disable -fprefetch-loop-arrays with
        -Os and issue a warning.

2002-01-23  Zack Weinberg  <zack@codesourcery.com>

        * doc/fragments.texi, doc/hostconfig.texi: Update to reflect
        current (lack of) need for host configuration by hand.

        * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
        references.  Documentation of some target macros moved from
        hostconfig.texi to tm.texi.

2002-01-23  Will Cohen  <wcohen@redhat.com>

        * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently
        defined.

2002-01-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an
        operand[3].

2002-01-23  Jason Merrill  <jason@redhat.com>

        * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF.

        * function.c (assign_parms): Don't put args of inline functions
        into registers when not optimizing.

2002-01-23  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant.
        (prologue_use): New pattern.
        * config/arm/arm.c (expand_prologue): Use gen_prologue_use in
        preference to gen_rtx_USE.
        (thumb_expand_prologue): Use gen_prologue_use in preference to
        gen_rtx_USE.
        (thumb_expand_epilogue): Use gen_prologue_use in preference to
        gen_rtx_USE.

2002-01-23  Hans-Peter Nilsson  <hp@bitrange.com>

        * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0.

2002-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR c/3504
        * doc/extend.texi: Correct documentation of __alignof__.

2002-01-22  Zack Weinberg  <zack@codesourcery.com>

        * params.h: Rename arguments of DEFPARAM so that it will be
        recognized as a translation keyword.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * extend.texi: Document altivec functions.
        Fix N-bit adjectives in X86 builtin documentation.

2002-01-22  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and
        auto_inc_dec values.

2002-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space
        after backslash.
        (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line.

2002-01-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/freebsd-aout.h (ASM_QUAD): Undefine.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use
        copy_insn not copy_rtx.

2002-01-23  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_and_const_int): Don't trunc_int_for_mode
        "nonzero" as that might add "1" bits.  Ensure "constop" is
        properly sign extened.
        (force_to_mode): Tweak for sign extended constop.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use
        for_each_rtx instead of assuming we're already looking at the MEM.
        (split_small_symbolic_mem_operand): Likewise.
        * config/alpha/alpha.h (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (small symbolic memory splitters): Update.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse
        sequence number for the literal.
        (divmoddi_internal_er): Likewise.

2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR java/4972
        * aclocal.m4 (AM_ICONV): Put linking flags for libiconv
        in LIBICONV variable.
        * configure: Regenerated.

2002-01-22  Krister Walfridsson  <cato@df.lth.se>

        * dependence.c (build_def_use): Remove array_idx.

        * dwarfout.c (last_filename): Remove.
        (output_compile_unit_die): Remove last_filename.

2002-01-22  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        PR opt/3640
        * fold-const.c (fold): Optimize unsigned comparisons against
        UINT_MAX (and similar unsigned constants).

2002-01-22  Janis Johnson  <janis187@us.ibm.com>

        * Makefile.in (loop.o): Depend on OPTABS_H.
        * loop.c (emit_prefetch_instructions): Check the prefetch operand
        against the predicate.

        PR target/5379
        * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint
        for the address operand.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove.

2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR other/5450
        * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU
        preprocessor flags.

2002-01-22  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (x86_64-*-netbsd*): New target.
        * config/i386/netbsd64.h: New file.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (kill_value): Fix typo.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Remove STARTING_FRAME_PHASE.

        * config/rs6000/rs6000.h: Same.

        * function.c (instantiate_virtual_regs): Remove
        STARTING_FRAME_PHASE.
        (assign_stack_local_1): Same.
        Calculate frame phase.

2002-01-22  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno'
        variable declaration to outer scope in order to simplify
        future extensions.
        (HARD_REGNO_MODE_OK): Replace macro body with a with a call to
        arm_hard_regno_mode_ok.
        * config/arm/arm-protos.h: Add a prototype for
        arm_hard_regno_mode_ok.
        * config/arm/arm.c (soft_df_operand): Remove now redundant
        check for DImode values using IP_REGNUM.
        (nonimmediate_soft_df_operand): Remove now redundant check for
        DImode values using IP_REGNUM.
        (arm_hard_regno_mode_ok): New function. New check: make sure
        that DImode values are not stored in IP_REGNUM.

        * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD
        note with a USE.
        (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE.

2002-01-22  Jason Merrill  <jason@redhat.com>

        * c-semantics.c (genrtl_compound_stmt): Only check nesting
        consistency if this COMPOUND_STMT is scoped.

2002-01-22  Kazu Hirata  <kazu@hxi.com>

        * predict.c: Fix formatting.
        * print-tree.c: Likewise.
        * protoize.c: Likewise.
        * real.h: Likewise.
        * rtl.h: Likewise.
        * sbitmap.h: Likewise.
        * scan.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sibcall.c: Likewise.
        * ssa.c: Likewise.
        * ssa-ccp.c: Likewise.
        * ssa-dce.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * system.h: Likewise.

Tue Jan 22 06:26:33 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (int_fits_type_p): If bounds of a subtype are variable, see
        if fits in bounds of base type.

        * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls.
        (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New.
        (add_bound_info, default): If can't find a context, make a
        SAVE_EXPR.
        (dwarf2out_finish): Check for SAVE_EXPR in node->created_for.

2002-01-22  Hans-Peter Nilsson  <hp@axis.com>

        * c-typeck.c (parser_build_binary_op): If result from
        build_binary_op is ERROR_MARK just return error_mark_node without
        further processing.

2002-01-21  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h (TARGET_HAS_F_SETLKW): define.
        Split a.out-specific bits into...
        * config/netbsd-aout.h: ...this.
        * config/netbsd-elf.h: New file.
        * config/alpha/netbsd-elf.h: Remove.
        * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
        * config/i386/netbsd-elf.h (LIB_SPEC): Remove.
        (STARTFILE_SPEC): Remove redundant definition.
        (ENDFILE_SPEC): Likewise.
        (LINK_SPEC): Likewise.
        (CPP_SPEC): Likewise.
        (ASM_SPEC): Likewise.
        (LIB_SPEC): Likewise.
        (SWITCH_TAKES_ARG): Likewise.
        (TARGET_MEM_FUNCTIONS): Likewise.
        (CPP_PREDEFINES): Redefine.
        (ASM_FINAL_SPEC): Remove redefinition.
        (ASM_COMMENT_START): Redefine.
        (FUNCTION_PROFILER): Define.
        (TARGET_VERSION): Redefine.
        Comment and formatting cleanup.
        * config/i386/netbsd.h: Include <netbsd-aout.h>.
        * config/m68k/netbsd.h: Include <netbsd-aout.h>.
        * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
        big- or little-endian.
        * config/ns32k/netbsd.h: Include <netbsd-aout.h>.
        * config.gcc (*-*-netbsd*): Add definitions common to all
        NetBSD configs.
        (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
        gnu_ld definitions.  Add netbsd-elf.h to and remove
        alpha/netbsd-elf.h from tm_file.  Remove alpha/t-crtfm from
        tmake_file, and don't lose previous tmake_file contents.
        (arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
        (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
        gnu_ld definitions.  Add netbsd-elf.h to tm_file.
        (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
        (mipsel-*-netbsd*): Rename this to...
        (mips*-*-netbsd*): ...this.  Add elfos.h to tm_file.  Add
        mips/little.h to tm_file for mips*el-*.
        (powerpc-*-netbsd*): Remove redundant xm_defines definition.
        (sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
        (vax-*-netbsd*): Add netbsd-aout.h to tm_file.

2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-protos.h (reg_before_reload_operand): New function prototype.
        * pa.c (reg_before_reload_operand): New function implementation.
        * pa.md (decrement_and_branch_until_zero, movb): Use it.  Change "!*m"
        contraints to "*m".

2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP.

2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin".
        (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/".
        (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/".
        (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections.
        (ENDFILE_SPEC): Undefine.
        (STARTFILE_SPEC): Redefine for PA.

2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC.

2002-01-21  Daniel Jacobowitz  <drow@mvista.com>

        * config.gcc: Add entries to supported PowerPC --with-cpu
        types.

2002-01-21  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_function_arg_regno_p): Never return
        true for 64-bit mode only SSE registers in 32-bit mode.

2002-01-21  Kazu Hirata  <kazu@hxi.com>

        * unwind-dw2.c: Fix formatting.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-pe.h: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.

2002-01-21  Hans-Peter Nilsson  <hp@bitrange.com>

        Remove workaround for register stack overwrite bug in mmix.
        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
        support for TARGET_REG_STACK_FILL_BUG.
        * config/mmix/mmix.h: Remove member has_call_without_parameters.
        (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
        Delete.
        (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
        (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
        -mno-reg-stack-fill-bug-workaround.
        * config/mmix/mmix.md ("call", "call_value"): Don't set struct
        machine member has_call_without_parameters.
        * doc/invoke.texi (Option Summary) <MMIX Options>: Remove
        -mreg-stack-fill-bug-workaround and
        -mno-reg-stack-fill-bug-workaround.
        (MMIX Options): Ditto.

2002-01-21  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
        as appropriate.
        Remove redundant code.

2002-01-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
        config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
        config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
        config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h,
        config/stormy16/stormy16.h, config/v850/v850.h: Remove commented
        out target macro definitions and non-target-specific comments
        mostly taken from old versions of the manual.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix comment formatting.
        * config/ia64/aix.h: Likewise.
        * config/ia64/ia64-protos.h: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ia64/ia64intrin.h: Likewise.
        * config/ia64/linux.h: Likewise.
        * config/ia64/unwind-aix.c: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Revise comments about shift code.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Update a comment.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Update the comments at the beginning
        of the file.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/i370/i370.c: Fix comment formatting.
        * config/i370/i370.h: Likewise.
        * config/i370/i370.md: Likewise.
        * config/i370/linux.h: Likewise.

Sun Jan 20 18:40:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reg-stack.c (subst_stack_regs): Properly check for deleted insn.

        * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
        (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
        in incomplete case.

2002-01-20  Graham Stott  <grahams@redhat.com>

        * cfgloop.c (flow_loop_preheader_scan): Fix typo.

2002-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file.

2002-01-19  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts.

2002-01-18  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi (STARTING_FRAME_PHASE): Document.

        * function.c (assign_stack_local_1): Adjust x_frame_offset with
        STARTING_FRAME_PHASE.
        (STARTING_FRAME_PHASE): New.
        (instantiate_virtual_regs): Check saneness of
        STARTING_FRAME_PHASE.

        * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New.

2002-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls.

2002-01-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
        be used for bootstrapping GCC 3.0.

2002-01-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix an insn length.

2002-01-18  Kazu Hirata  <kazu@hxi.com>

        * bitmap.h: Fix comment formatting.
        * combine.c: Likewise.
        * cppfiles.c: Likewise.
        * c-pragma.h: Likewise.
        * c-typeck.c: Likewise.
        * df.c: Likewise.
        * dwarf2out.c: Likewise.
        * function.c: Likewise.
        * gcc.c: Likewise.
        * genattrtab.c: Likewise.
        * gthr-win32.h: Likewise.
        * haifa-sched.c: Likewise.
        * predict.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.h: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-pe.h: Likewise.
        * vmsdbgout.c: Likewise.

Thu Jan 17 15:28:26 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE
        if type_required and passed decl.

2002-01-17  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (cpu_type): Include altivec.h in powerpc
        extra_headers.
        Same for darwin.

        * config/rs6000/altivec.h: New.

2002-01-17  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Update assembler and exception
        handling information.
        * doc/trouble.texi (Interoperation): Add libstdc++ information
        for AIX.
        (Misunderstandings): Add template instantiation and static template
        member information for AIX.

2002-01-17  Jason Merrill  <jason@redhat.com>

        * dbxout.c (dbxout_type): Support const and volatile.

        * except.c (add_partial_entry): Remove backwards compatibility code.
        (end_protect_partials): Likewise.

2002-01-17  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.md (prologue_use): New.
        * config/ia64/ia64.c (ia64_expand_prologue): Use
        gen_prologue_use instead of gen_rtx_USE.
        (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way
        as CODE_FOR_pred_rel_mutex.
        (ia64_sched_reorder2): Likewise.

2002-01-16  Eric Christopher  <echristo@redhat.com>

        * config/mips/r3900.h: Reformat.
        (SUBTARGET_CPP_SIZE_SPEC): Remove.
        * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto.
        * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "".
        (SUBTARGET_CPP_SIZE_SPEC): Rewrite.
        * config/mips/t-elf: Remove mips3 multilib.

2002-01-16  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h: Include "mips/abi64.h".

2002-01-16  H.J. Lu <hjl@gnu.org>

        * config/mips/t-linux: New.

        * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*.

        * config/mips/linux.h: Don't include "gofast.h".
        (INIT_SUBTARGET_OPTABS): Removed.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Replace emit_a_shift with
        output_a_shift.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.md: Likewise.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of
        spaces after an opcode name.
        (pushqi1_h8300hs): Likewise.
        (pushhi1_h8300hs): Likewise.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * doc/extend.texi: Replace "option" with "attribute"
        appropriately.

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into
        (and:DI () (const_int -8)).
        (split_small_symbolic_mem_operand): Split
        (mem (and:DI () (const_int -8)).

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/5309:
        * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
        same way as TYPE_IMUL.
        (ultrasparc_sched_reorder): Likewise.
        * config/sparc/sparc.md (type): Add comment to update
        ultrasparc_sched_reorder when making changes.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * doc/invoke.texi: Change the dump file name of block
        reordering pass from 28.bbro to 29.bbro.
        Mention -dk option.

Wed Jan 16 17:54:22 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (minsf splitter): Fix pasto.

2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
        to frame pointer initialisation instruction.
        (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
        initialisation instruction.
        (soft_df_operand): Do not accept the IP register.
        (nonimmediate_soft_df_operand): Do not accept the IP register.

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/5357:
        * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
        MASK_V8 being both set.

2002-01-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Do not emit USE
        insn for GOT register; add REG_MAYBE_DEAD notes instead.
        config/s390/s390.md (call, call_value): Add GOT register to
        CALL_INSN_FUNCTION_USAGE where needed.
        (call_exp, call_value_exp): New.

2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c: General formatting tidy up.

2002-01-16  Graham Stott  <grahams@redhat.com>

        * calls.c (try_to_integrate): Use "(size_t)" intermediate
        cast and when casting an integer literal to "rtx" pointer.
        (expand_call): Likewise.
        * flow.c (try_pre_increment): Likewise.
        (find_use_as_address): Likewise.
        * integrate.c (expand_iline_function): Likewise.
        * regmove.c (try_auto_increment): Likewise.

2002-01-16  Graham Stott  <grahams@redhat.com>

        * sched-rgn.c (passed): Use sbitmap_free.
        (header): Likewise.
        (inner): Likewise.
        (in_queue): Likewise.
        (in_stack): Likewise.

2002-01-15  Eric Christopher  <echristo@redhat.com>

        * flow.c (propagate_one_insn): Change to use fatal_insn.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * expmed.c (extract_fixed_bit_field): Remove unused code.
        * system.h: Poison SLOW_ZERO_EXTEND.
        * doc/tm.texi: Remove.
        * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
        * config/arm/arm.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/clipper/clipper.h: Likewise.
        * config/convex/convex.h: Likewise.
        * config/d30v/d30v.h: Likewise.
        * config/dsp16xx/dsp16xx.h: Likewise.
        * config/elxsi/elxsi.h: Likewise.
        * config/fr30/fr30.h: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/i370/i370.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/m68k/m68k.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/ns32k/ns32k.h: Likewise.
        * config/pdp11/pdp11.h: Likewise.
        * config/pj/pj.h: Likewise.
        * config/s390/s390.h: Likewise.
        * config/sh/sh.h: Likewise.
        * config/stormy16/stormy16.h: Likewise.
        * config/v850/v850.h: Likewise.
        * config/vax/vax.h: Likewise.
        * config/we32k/we32k.h: Likewise.

2002-01-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx.
        (altivec_lvsl): Change constraint to b.
        (altivec_lvsr): Same.
        (altivec_lvebx): Same.
        (altivec_lvehx): Same.
        (altivec_lvewx): Same.
        (altivec_lvxl): Same.
        (altivec_lvx): Same.
        (altivec_stvx): Add parallel.
        (altivec_stvxl): Same.
        (altivec_stvehx): Same.
        (altivec_stvebx): Same.
        (altivec_stvebx): Same.

2002-01-15  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Change altivec.h to altivec-defs.h.

        * config/rs6000/altivec.h: Delete.

        * config/rs6000/altivec-defs.h: Add.

2002-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV
        and UMOD modes.

        * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size
        less than or equal to eight bytes.

        * vax.md (andsi3): Remove constraints and change SET destination
        operand type to nonimmediate_operand.
        (andhi3, andqi3): Likewise.  Don't clear high order bits of operand 1
        when it is a CONST_INT.

2002-01-15  Jason Merrill  <jason@redhat.com>

        * c-common.def (FILE_STMT): New code.
        * c-common.c (statement_code_p): It's a statement.
        * c-common.h (stmt_tree_s): Add x_last_filename.
        (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
        (last_expr_filename): New macro.
        * c-semantics.c (begin_stmt_tree): Initialize it.
        (add_stmt): If the filename changed, also insert a
        FILE_STMT.
        (expand_stmt): Handle seeing one.

2002-01-15  Eric Christopher  <echristo@redhat.com>

        * flow.c (propagate_one_insn): Add error message and print out
        insn for debugging.

2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>

        * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN,
        ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison.
        * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to
        TRAMPOLINE_ALIGNMENT.
        * config/arm/arm.h, config/mcore/mcore.h: Likewise.  Change value
        to be in bits.
        * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to
        PCC_BITFIELD_TYPE_MATTERS.
        * config/interix.h (STDC_VALUE): Remove.  Use
        STDC_0_IN_SYSTEM_HEADERS.
        * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h
        (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC,
        ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove.

2002-01-15  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
        not work on this platform currently.

2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-typeck.c (build_unary_op): Don't wrap msgid argument of
        readonly_warning in _().

2002-01-15  Douglas B Rupp  <rupp@gnat.com>

        * gcc.c (delete_if_ordinary): Backout previous change.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        unused operand characters.

        * read-rtl.c: Fix formatting.
        * real.c: Likewise.
        * recog.c: Likewise.
        * regclass.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * rtlanal.c: Likewise.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * config/i386/i386.c: Fix formatting.

2002-01-15  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (process_init_element): Don't save_expr
        COMPOUND_LITERAL_EXPR if just its initializer will be used.

2002-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not
        emit optional traceback table if optimize_size or TARGET_ELF.
        * config/rs6000/rs6000.md (prefetch): New.

2002-01-15  Andreas Jaeger  <aj@suse.de>

        * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * mips-tfile.c: Fix formatting.

Tue Jan 15 00:56:11 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Fix previous commit.

2002-01-14  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for
        eq_operator.
        * config/h8300/h8300.c (eq_operator): Remove.

2002-01-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (prefetch): Tidy.
        (prefetch_3dnow): Fix locality operand.

2002-01-14  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.h (HI_AND_FP_REGS): New register class.
        (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode.

2002-01-14  Hans-Peter Nilsson  <hp@bitrange.com>

        * reload1.c (reload_combine): Pass reg_sum replacement through
        copy_rtx in loop performing multiple changes.

2002-01-14  Jakub Jelinek  <jakub@redhat.com>

        * except.c (remove_unreachable_regions): New.
        (free_eh_status): Clear exception_handler_labels.
        (convert_from_eh_region_ranges): Call remove_unreachable_regions.
        (find_exception_handler_labels): Don't add the same label more than
        once.
        (remove_exception_handler_label): Don't die if
        find_exception_handler_labels hasn't been called for the current
        function yet.

Mon Jan 14 21:26:13 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Rebuild jump labels after
        gcse.

2002-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Move documentation of X86 built-in functions
        here.
        * doc/invoke.texi: From here.
        * doc/sourcebuild.texi: Document location of documentation for
        machine built-in functions.

2002-01-13  Christopher Faylor  <cgf@redhat.com>

        * cppfiles.c (TEST_THRESHOLD): New macro.
        (SHOULD_MMAP): Ditto.
        (read_include_file): Use SHOULD_MMAP macro to decide when mmap should
        be used.

Mon Jan 14 20:23:34 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Properly handle
        REG_LABEL
        (unroll_loops): Fix LOOP_CONDITION heuristics.

2002-01-14  Geoffrey Keating  <geoffk@redhat.com>

        * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
        * doc/md.texi (Machine Constraints): Use @minus{} where appropriate.

Mon Jan 14 20:18:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite
        threaded loop.

2002-01-14  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.md: Fix typo with sradi.

2002-01-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64,
        movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates.
        (clrstrdi, clrstrsi): Adapt callers.

        (extendsidi2, zero_extendsidi2): Remove no-conflict blocks.

        (movti splitter): Never use register 0 as base register.

2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * combine.c (simplify_shift_const): Always generate new rtx
        for shift expression instead of reusing given expression.

Mon Jan 14 07:08:55 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/alpha/alpha.c (alpha_expand_mov): Don't call
        alpha_legitimize_address unless mode is Pmode.

2002-01-13  Geoffrey Keating  <geoffk@redhat.com>

        * doc/md.texi (Modifiers): Document the '*' constraint for the
        user.

        * doc/md.texi (Machine Constraints): Add constraints for xstormy16.
        * doc/extend.texi (Function Attributes): 'interrupt' is valid
        for xstormy16 too.

2002-01-13  Richard Henderson  <rth@redhat.com>

        * reload.c (find_reloads): Use a hard reg destination as reload reg
        for an input reload of the source.

2002-01-13  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Binaries): Make link to ftp.writtenword.com
        more generic.

Sun Jan 13 07:23:01 2002  Douglas B Rupp  <rupp@gnat.com>

        * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
        * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.

        * config/alpha/x-vms (USE_COLLECT2): Set to empty.

Sun Jan 13 06:55:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case.

2002-01-12  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for
        TARGET_POWERPC64.

2002-01-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A.

        * doc/invoke.texi: Update Alpha options.

        * doc/invoke.texi: Update i386 built-in function lists.

Sat Jan 12 17:38:11 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note
        referencing outside.

Sat Jan 12 08:54:51 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * diagnostic.c (warn_deprecated_use): Rework to lower indentation.
        * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
        offsets, and change line folding.
        * optabs.c (expand_binop): Remove warnings.
        * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.

2002-01-12  Graham Stott <grahams@redhat.com>

        * attribs.c (handle_deprecated_attribute): constify WHAT.
        * diagnostic.c (warn_deprecated_use): Add braces, fixes
        dangling else warning and constify WHAT.
        * except.h (struct function, struct inline_remap): Move
        struct tag forward defs before all prototypes.
        (duplicate_eh_regions): Whitespace.

2002-01-12  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
        MODE_BASE_REG_CLASS.
        (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS.

2002-01-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (override_options): If SSE, enable sse prefetch.
        (ix86_expand_vector_move): New.
        (bdesc_2arg): Remove andps, andnps, orps, xorps.
        (ix86_init_mmx_sse_builtins): Make static.  Remove composite builtins.
        Remove old prefetch builtins.  Special case the logicals removed above.
        (ix86_expand_builtin): Likewise.
        (safe_vector_operand): Use V4SFmode, not TImode.
        (ix86_expand_store_builtin): Remove shuffle arg.  Update callers.
        (ix86_expand_timode_binop_builtin): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.h (enum ix86_builtins): Update.
        * config/i386/i386.md: Correct predicates on MMX/SSE patterns.
        Use ix86_expand_vector_move in vector move expanders.
        (movti_internal, movti_rex64): Add xorps alternative.
        (sse_clrv4sf): Rename and adjust from sse_clrti.
        (prefetch): Don't work so hard.
        (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC.
        * config/i386/xmmintrin.h (__m128): Use V4SFmode.
        (_mm_getcsr, _mm_setcsr): Fix typo in builtin name.

2002-01-11  Richard Henderson  <rth@redhat.com>

        * config/i386/mmintrin.h: New file.
        * config/i386/xmmintrin.h: New file.
        * config.gcc (i?86-*-*): Add extra_headers.
        * simplify-rtx.c (simplify_unary_operation): Handle saturating
        truncation codes.
        (simplify_binary_operation): Handle saturating arithmetic codes.
        * config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
        not the lowpart subreg.
        (ix86_expand_builtin): Return a TImode dummy register instead of 0
        on error.
        * config/i386/i386.md (mmx_clrdi): Override memory attribute.

2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * conflict.c (conflict_graph_compute): Free regsets when finished.
        * ssa.c (compute_coalesced_reg_partition): Likewise.

2002-01-12  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED
        every where we allocate a register.

2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free.
        * lcm.c (compute_earliest, compute_farthest): Likewise.

2002-01-11  Janis Johnson  <janis187@us.ibm.com>

        * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET.

2002-01-11  Janis Johnson  <janis187@us.ibm.com>

        * doc/rtl.texi (Insns): Fix 2 typos.

2002-01-11  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/invoke.texi: Avoid overfull hboxes.  Add summary of D30V
        options.  Use @table @gcctabopt for MMIX options.  Add index
        entries for MMIX options.  Start new paragraph with first
        heading of the machine-dependent options.

2002-01-11  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR other/5299
        * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments.
        * combine.c (force_to_mode): Same.
        * reload1.c (clear_reload_reg_in_use): Same.

2002-01-11  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder'
        and 'subtargets'.

2002-01-11  Andreas Jaeger  <aj@suse.de>,
            Brad Lucier <lucier@math.purdue.edu>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong
        mcpu.

Fri Jan 11 07:35:12 2002  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors.
        Protect with IN_LIBGCC.
        (LINK_EH_SPEC): Add required trailing space.

Fri Jan 11 09:25:05 2002  Nicola Pero  <n.pero@mi.flashnet.it>

        * c-tree.h: Move function declarations so that they are listed
        under the filename which contains them.
        (check_identifier, finish_decl_top_level,
        lookup_name_current_level_global, shadow_record_fields): Remove.

2002-01-11  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated
        march.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (print_operand): Add 'J'.
        * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a
        new operand with the sequence number for the lituse.  When splitting
        the insns, use gen_movdi_er_high_g and generate a sequence number.
        (gen_movdi_er_high_g): Print the sequence number if non-zero.

2002-01-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Add support for
        lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx,
        stvxl.
        (altivec_expand_builtin): Same.
        (altivec_expand_stv_builtin): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Same.

        * config/rs6000/rs6000.md ("altivec_lvebx"): New.
        ("altivec_lvehx"): New.
        ("altivec_lvewx"): New.
        ("altivec_lvxl"): New.
        ("altivec_lvx"): New.
        ("altivec_stvx"): New.
        ("altivec_stvebx"): New.
        ("altivec_stvehx"): New.
        ("altivec_stvewx"): New.
        ("altivec_stvxl"): New.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.
        * reload1.c (delete_output_reload): Zap spill_reg_store.  Take
        care not to delete instructions twice.

2002-01-10  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c: Don't declare environ (it's not used anywhere).
        * configure.in: Don't check for declaration of environ.
        * config/i386/xm-mingw32.h: Don't #define environ.
        * config.in, configure: Regenerate.

2002-01-10  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Set stage1_cflags for powerpc-*-darwin*.
        * configure: Regenerate.

        * config/interix.h: Set DO_GLOBAL_CTORS_BODY and
        DO_GLOBAL_DTORS_BODY here, not in xm-interix.h.
        * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in
        alpha/xm-vms.h.
        * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and
        LIMITS_H_TEST here, not in m68k/x-next.
        * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and
        SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h.

        * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL,
        LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR.
        * config/alpha/x-vms: Don't set USE_COLLECT2.  Add comments.

        * config/i386/x-djgpp: Renamed i386/t-djgpp.
        * config/m88k/x-dolph: Renamed m88k/t-dolph.
        * config/m88k/x-texXD88: Renamed m88k/t-texXD88.
        * config/pa/x-pa-mpeix: Renamed pa/t-mpeix.  Update for
        replacement of quadlib.asm with quadlib.c.

        * config/x-interix3, config/xm-interix.h, config/i386/x-beos,
        config/i386/xm-osf1elf.h, config/rs6000/x-darwin,
        config/rs6000/xm-beos.h: Delete file.

        * config.gcc: Update to match above changes.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix comment typos.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2002-01-10  Dale Johannesen  <dalej@apple.com>

        PR optimization/5269
        * unroll.c (precondition_loop_p): Make *increment be the correct
        sign when n_iterations known, to avoid confusing caller.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * doc/extend.texi (deprecated): Fix a typo.

Thu Jan 10 22:35:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (update_br_prob_note): Declare.
        * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
        (try_forward_edges): Care negative frequencies and update note.
        (outgoing_edges_match): Tweek conditional merging heuristics.
        (try_crossjump_to_edge): use update_br_prob_note.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfrtl.c (update_br_prob_note): New.
        * ifcvt.c (dead_or_predicable): Call update_br_prob_note.

        * i386.c (ix86_decompose_address): Return -1 if address contains
        shift.
        (legitimate_address_p): Require ix86_decompose_address to return 1.

        * gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
        (cprop_insn): Likewise.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * toplev.c: Fix formatting.
        * tree.c: Likewise.
        * tree-dump.c: Likewise.
        * unroll.c: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-sjlj.c: Likewise.

2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/invoke.texi: Document PDP-11 options.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.

2002-01-10  Ira Ruben   <ira@apple.com>

        Add __attribute__ ((deprecated)).
        * extend.texi: Document __attribute__ ((deprecated)).
        * invoke.texi: Document -Wno-deprecated-declarations.
        * testsuite/g++.dg/other/deprecated.C: New C++ test.
        * testsuite/gcc.dg/deprecated.c: New C test.
        * attribs.c (enum attrs): Declare handle_deprecated_attribute().
        (c_common_attribute_table): Add "deprecated" entry.
        (handle_deprecated_attribute): New function.
        * c-decl.c (deprecated_states): New enum.
        deprecated_state: State of "deprecated" handling.
        (start_decl): Set deprecated_state based on attributes.
        (grokdeclarator): Test for deprecated uses, propagate attribute.
        * c-typeck.c (build_component_ref): Test for deprecated fields.
        (build_external_ref): Test for deprecated primaries.
        * diagnostic.c (warn_deprecated_use) New function to issue
        warnings about __attribute__ ((depricated)) references.
        * flags.h (warn_deprecated_decl): Extern declared for
        -W[no-]deprecated-declarations option.
        * print-tree.c (print_node): Show deprecated flag status.
        * toplev.c (warn_deprecated_decl): Defined.
        (W_options): Added "deprecated-declaration".
        * toplev.h (warn_deprecated_use): Extern declared.
        * tree.h (struct tree_common): Define deprecated_flag.
        (TREE_DEPRECATED): New macro to access flag.
        * cp/call.c (build_call): Test for deprecated calls.
        * cp/class.c (add_implicitly_declared_members): Set global
        flag to tell grokdeclarator to not issue deprecated warnings.
        * cp/cp-tree.h: Add extern for adding_implicit_members.
        * cp/decl.c (deprecated_states): New enum.
        (start_decl): Set deprecated_state based on attributes.
        (grokdeclarator): Test for deprecated uses, propagate attribute.
        * cp/lex.c (do_identifier): Test for deprecated primaries.
        * cp/typeck.c (build_component_ref): Test for deprecated fields.

2002-01-10  Ira Ruben   <ira@apple.com>

        Fix to assign attributes to inline member functions.
        * cp/decl.c (start_method): Handle attrlist.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * combine.c (expand_field_assignment): Use subreg_lsb().

2002-01-10  David Edelsohn  <edelsohn@gnu.org>

        * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
        POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
        (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
        Recurse for any operand of AND as long as constant is non-zero.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove constraints from expanders.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * varasm.c: Fix formatting.
        * varray.c: Likewise.
        * vmsdbgout.c: Likewise.
        * xcoffout.c: Likewise.

Thu Jan 10 17:19:12 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges;
        update edge probabilities to match.

2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>

        * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional
        dependencies.
        * doc/languages.texi, doc/sourcebuild.texi: New files.
        * doc/configfiles.texi: Make a subsubsection.  Update.
        * doc/configterms.texi: Add @node.  Remove warning that this isn't
        instructions for building GCC.
        * doc/makefile.texi: Make a subsection.
        * doc/gccint.texi: Update.

Thu Jan 10 16:39:58 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse_mov?fcc_const0_?): Fix constraints.

Thu Jan 10 12:45:50 2002  Nicola Pero  <n.pero@mi.flashnet.it>

        * doc/cpp.texi: Document the __OBJC__ preprocessor macro.

Thu Jan 10 11:19:18 CET 2002  Jan Hubicka  <jh@suse.cz>

        * optabs.c (expand_fix): Look for wider integer modes first.

        * i386.md (mov?f): Avoid the fake const double trick for medium
        memory model.
        (min?f*/max?f*): Prohibit memory operands for i387 variant.
        (fop_df_4): Disable for SSE compilation.

2002-01-10  Graham Stott  <grahams@redhat.com>

        * dwarf2out.c (indirect_string_alloc, output_indirect_string):
        Move prototype into DWARF2_DEBUGGING_INFO conditional block.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Fix typo in mode change check.
        (copyprop_hardreg_forward_1): Likewise.  Use mode_change_ok.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * combine.c (can_combine_p): Fix a comment typo.

2002-01-09  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (s-gencheck, s-options, s-specs): Handle an
        empty list correctly.  Change loop index $t to $f for
        consistency with rest of Makefile.

2002-01-08  Aldy Hernandez  <aldyh@redhat.com>

        * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall,
        mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.

        * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for
        mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt.
        (altivec_init_builtins): Same.
        (altivec_expand_unop_builtin): Return NULL_RTX on error.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_ternop_builtin): Same.
        (bdesc_dst): New.

        * config/rs6000/rs6000.md ("altivec_mtvscr"): New.
        ("altivec_vctuxs"): Fix typo.
        ("altivec_vnmsubfp"): Same.
        ("altivec_dssall"): New.
        ("altivec_mfvscr"): New.
        ("altivec_dss"): New.
        ("altivec_lvsl"): New.
        ("altivec_lvsr"): New.
        ("altivec_dstt"): New.
        ("altivec_dstst"): New.
        ("altivec_dststt"): New.
        ("altivec_dst"): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall,
        mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc.

2002-01-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused
        function.
        * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't
        prototype.
        * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro.

2002-01-09  Kazu Hirata  <kazu@hxi.com>

        * read-rtl.c: Fix formatting.
        * real.c: Likewise.
        * regclass.c: Likewise.
        * regrename.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * reload.c: Likewise.
        * rtl.c: Likewise.

2002-01-09  Kazu Hirata  <kazu@hxi.com>

        * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST
        to extract items in the expr_list chain.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/vax/vax.c (vax_rtx_cost): Never abort.

        * config/vax/vax.h (REAL_ARITHMETIC): Define.

2002-01-09  Jan Hubicka  <jh@suse.cz>

        * gcse.c (cprop_jump): Delete insn if simplified jump is no-op.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
        Unify code from various alternatives.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * regrename.c (copy_value): Ignore the copy if the source register
        is present in the value chain with a narrower mode.

2002-01-09  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>

        * real.c (c4xtoe, toc4x): Do some special conversion on long doubles
        for the c4x target. Also improve layout.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test.
        * config/m32r/m32r.md (and ior xor splitters): Swap operands
        to match insn patterns.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG.
        (copyprop_hardreg_forward_1): Likewise.

2002-01-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.md (decrement_and_branch_until_zero): Change predicate for
        operand 0 from register_operand to reg_or_nonsymb_mem_operand.

2002-01-09  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>

        * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_
        gets undefined. For Darwin.

2002-01-09  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing.

2002-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x/md: Remove extraneous constraints from define_splits.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * regrename.c (copy_value): Ignore overlapping copies.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx
        as needed to avoid shared structure.

2002-01-08  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on
        H8/300H and H8/S.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR,
        LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove
        documentation of obsolete macros.
        * system.h: Poison these macros.
        * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
        config/arc/arc.h, config/arm/arm.h, config/avr/avr.h,
        config/c4x/c4x.h, config/clipper/clipper.h,
        config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h,
        config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
        config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
        config/i386/i386.h, config/i860/i860.h, config/i960/i960.h,
        config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
        config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
        config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
        config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h,
        config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h,
        config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
        config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove
        definitions and commented out definitions of obsolete macros.
        * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms
        of MAX_INT_TYPE_SIZE.

2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Never
        return ADDR_REGS if it isn't a subset of the given class.
        * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just
        FP_REGS, but all superclasses as well.

        * config/s390/s390.c (s390_function_profiler): Fix thinko.

        * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem,
        cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare
        must not be a const_int.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * Makefile.in (toplev.o): Depend on options.h.
        (gcc.o): Depend on specs.h.

2002-01-08  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (store_expr): Convert VOIDmode constants back to target's
        mode.

2002-01-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/invoke.texi: Markup gcc as @command.  Refer to
        http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead
        of http://gcc.gnu.org/thanks.html.

2002-01-08  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md: Add missing int register
        target case to movdf_low.

2002-01-08  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
        except.h.  Remove commands to define USING_SJLJ_EXCEPTIONS.
        (cppinit.o): Depend on except.h.
        (gencheck.h, options.h, specs.h, s-gencheck, s-options,
        s-specs): New rules.

        * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
        Don't create specs.h/options.h/gencheck.h here.  Remove
        unnecessary variable settings from last argument of AC_OUTPUT.
        * config.in, configure: Regenerate.
        * intl.c: Hardcode package name as "gcc".

        * cppinit.c: Include except.h.
        (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
        appropriate.
        * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
        Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
        (!)USING_SJLJ_EXCEPTIONS.
        * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
        ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
        OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
        documentation of obsolete macros.
        * system.h: Poison these macros.
        * config/d30v/d30v.h, config/ns32k/encore.h,
        config/stormy16/stormy16.h: Remove definitions and commented out
        definitions of obsolete macros.

Tue Jan  8 15:56:41 2002  Nicola Pero  <nicola@brainstorm.co.uk>

        * objc/objc-act.c (handle_class_ref): Mark the declaration of
        %sobjc_class_ref_%s as used - to prevent unwanted compiler
        warnings.

2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
        * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
        to insn adjusting stack/frame pointer.
        * config/s390/s390.md (reload_la_64, reload_la_31): Do not
        accept operands that cause the insn to be non-splittable.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
        (C_TYPE_FIELDS_VOLATILE): Likewise.
        (C_TYPE_BEING_DEFINED): Likewise.
        (C_IS_RESERVED_WORD): Likewise.
        (C_TYPE_VARIABLE_SIZE): Likewise.
        (C_DECL_VARIABLE_SIZE): Likewise.
        (C_MISSING_PROTOTYPE_WARNED): Likewise.
        (C_SET_EXP_ORIGINAL_CODE): Likewise.
        (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
        parenthesis.
        (C_DECL_ANTICIPATED): Likewise.
        (c_build_type_variant): Add parenthesis.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * gcc.c (option_map): Remove --version.
        (process_command): Handle -fversion following the GNU Coding
        Standards.  Partially addresses PR other/704.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * combine.c (combine_instructions): Fix typo.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * debug.h: Use "tree" and "rtx" throughout.

        * debug.c: Likewise.

2002-01-08  Nick Clifton  <nickc@cambridge.redhat.com>

        * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
        constant pool, use the pool's version of the symbol instead.

2002-01-07  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Ignore the value chain if
        the original register was copied in a mode with a fewer number of
        hard registers than the desired mode.
        (copyprop_hardreg_forward_1): Likewise.
        (debug_value_data): Fix loop test.
        * toplev.c (parse_options_and_default_flags): Reenable
        -fcprop-registers at -O1.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
        (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.

        * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
        predicates.

        * config/rs6000/rs6000.md: Add altivec predicate patterns.

2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
        (pa_output_function_prologue): Output local label at the beginning of
        the prologue when profiling.
        (hppa_profile_hook): Use the local label rather than the function label.
        * pa.h (PROFILE_BEFORE_PROLOGUE): Define.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (print_operand): Remove extra space.
        (altivec_expand_unop_builtin): Fix thinko.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_ternop_builtin): Same.
        (altivec_expand_builtin): Same.

2002-01-07  Richard Henderson  <rth@redhat.com>

        * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.

2002-01-07  Jason Merrill  <jason@redhat.com>

        * unwind-dw2.c (execute_cfa_program): Use < again.

2002-01-07  Jakub Jelinek  <jakub@redhat.com>

        * predict.c (combine_predictions_for_insn): Avoid division by zero.

2002-01-07  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
        Don't allow -1 - x -> ~x simplifications in the first pass.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
        arguments.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_unop_builtin): Same.
        (print_operand): Fix typo.
        (bdesc_1arg): Add vupk* variants.

        * rs6000.h (rs6000_builtins): Add vupk* enums.

        * rs6000.md: Add altivec_vupk* variants.

2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
        doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
        and last update dates.

2002-01-07  Janis Johnson  <janis187@us.ibm.com>

        * doc/rtl.texi (Flags): Clean up documentation of RTL flags

2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_mcu_types): Add new MCU types.
        * config/avr/avr.h (CPP_SPEC): Likewise.
        (LINK_SPEC): Likewise.
        (CRT_BINUTILS_SPECS): Likewise.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
        * doc/invoke.texi (AVR Options): Document them.

Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
        LABEL_NUSES.

2002-01-07  Graham Stott  <grahams@redhat.com>

        * config/i386/i386.h: Update copyright date.
        (HALF_PIC_PTR): Add parenthesis.
        (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
        (CONSTANT_ALIGNMENT): Add parenthesis.
        (DATA_ALIGNMENT): Likewise.
        (LOCAL_ALIGNMENT): Likewise.
        (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
        (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
        (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
        (HARD_REGNO_NREGS): Add paranethesis.
        (VALID_SSE_REG_MODE): Whitespace.
        (VALID_MMX_REG_MODE): Whitespace.
        (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
        (ix86_hard_regno_mode_ok): Add parenthesis.
        (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
        (RETURN_IN_MEMORY): Whitespace.
        (N_REG_CLASSES): Add parenthesis.
        (INTEGER_CLASS_P): Add parenthesis and wrap.
        (FLOAT_CLASS_P): Likewise.
        (SSE_CLASS_P): Likewise.
        (MMX_CLASS_P): Likewise.
        (MAYBE_INTEGER_CLASS_P): Likewise.
        (MAYBE_FLOAT_CLASS_P): Likewise.
        (MAYBE_SSE_CLASS_P): Likewise.
        (MAYBE_MMX_CLASS_P): Likewise.
        (Q_CLASS_P): Likewise.
        (GENERAL_REGNO_P): Uppercase macro parameter.
        (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
        (FP_REGNO_P): Likewise.
        (ANY_FP_REGNO_P): Uppercase macro parameter.
        (SSE_REGNO_P): Likewise.
        (SSE_REGNO): Likewise.
        (SSE_REG_P): Likewise.
        (SSE_FLOAT_MODE_P): Likewise.
        (MMX_REGNO_P): Likewise.
        (MMX_REG_P):Likewise.
        (STACK_REG_P): Likewise.
        (NON_STACK_REG_P): Likewise.
        (STACK_TOP_P): Likewise.
        (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
        (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
        (SECONDARY_MEMORY_NEEDED): Likewise.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
        (MD_ASM_CLOBBERS): Whitespace and wrap.
        (MUST_PASS_IN_STACK): Whitespace and wrap.
        (RETURN_POPS_ARGS): Add parenthesis.
        (INIT_CUMULATIVE_ARGS): Likewise.
        (FUNCTION_ARG): Likewise.
        (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
        (SETUP_INCOMING_VARARGS): Likewise.
        (BUILD_VA_LIST_TYPE):  Add parenthesis.
        (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
        parenthsis.
        (EXPAND_BUILTIN_VA_ARG): Likewise.
        (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
        (INITIALIZE_TRAMPOLINE): Add parenthesis.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (REGNO_OK_FOR_INDEX_P): Add parenthesis.
        (REGNO_OK_FOR_BASE_P): Likewise.
        (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
        (REGNO_OK_FOR_DIREG_P): Likewise.
        (REG_OK_FOR_INDEX_P): Whitespace.
        (REG_OK_FOR_BASE_P): Whitespace.
        (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
        parenthesis.
        (FIND_BASE_TERM): Fix typo.
        (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
        (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
        (SYMBOLIC_CONST; Whitespace.
        (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
        (ENCODE_SECTION_INFO): Whitespace.
        (FINALIZE_PIC): Remove do { ... } while (0).
        (PROMOTE_MODE): Wrap in do { ... } while (0).
        (CONST_COSTS): Whitespace.
        (RTX_COSTS): Add paramethesis, whitespace and wrap.
        (REGISTER_MOVE_COST): Add parenthesis.
        (MEMORY_MOVE_COST): Likewise.
        (EXTRA_CC_MODES): Whitespace.
        (SELECT_CC_MODE): Add parenthesis and whitespace.
        (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
        (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
        (ASM_OUTPUT_LABEL): Add paramethesis.
        (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
        (ASM_OUTPUT_REG_POP): Likewise.
        (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.

        * config/i386/i386.c: Update copyright.
        (CHECK_STACK_LIMIT): Add parenthesis.
        (AT_BP): Uppercase macro parameter.
        (x86_64_int_parameter_registers): Constify.
        (x86_64_int_return_registers): Likewise.
        (ix86_compare_op0): Use rtx.
        (construct_container): Constify INTREG parameter.
        (function_arg): Use rtx.

        * diagnostic.h: Update copyright date.
        (output_buffer_state): Add parenthesis.
        (output_buffer_format_args): Likewise.

        * combine.c (combine_instructions): Replace XEXP (links, 0)
        with link.

2002-01-06  H.J. Lu <hjl@gnu.org>

        * cfgcleanup.c (thread_jump): Fix 2 typos.

2002-01-06  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Add support for --enable-altivec.

2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * emit-rtl.c (gen_highpart): Add check for NULL_RTX.

2002-01-06  Jakub Jelinek  <jakub@redhat.com>

        * objc/objc-act.c (handle_impent): Use assemble_variable to emit
        __objc_class_name_*.

2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (sparcv9-*-solaris2*): Add documentation.

2002-01-06  Richard Henderson  <rth@redhat.com>

        * reorg.c (emit_delay_sequence): Remove death notes, not merely
        nop them out.  Increment label reference count for REG_LABEL.
        (fill_slots_from_thread): Frob label reference count around
        delete_related_insns.

2002-01-05  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_forward_edges): Detect infinite loops while
        jump threading.

2002-01-05  Richard Henderson  <rth@redhat.com>

        * c-decl.c (c_expand_body): Don't call outlining_inline_function.
        * integrate.c (output_inline_function): Likewise.
        * toplev.c (rest_of_compilation): Do it here instead.  Move call
        to remove_unnecessary_notes after emitting abstract instance.
        Force an emitted nested function to have its parent emited as well.
        * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
        for null.
        (rtl_for_decl_location): Do not look at reload data structures
        before reload has run.

2002-01-05  Kazu Hirata  <kazu@hxi.com>

        * cse.c: Fix formatting.
        * dwarf2asm.c: Likewise.
        * dwarf2out.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * function.c: Likewise.
        * gcov.c: Likewise.
        * gencheck.c: Likewise.
        * genrecog.c: Likewise.
        * ggc-common.c: Likewise.
        * ggc-page.c: Likewise.
        * global.c: Likewise.

2002-01-05  Kazu Hirata  <kazu@hxi.com>

        * combine.c: Fix formatting.

2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>

        PR middle-end/1557
        * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.

2002-01-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
        as 1 for __powerpc64__ as well.

        * config/rs6000/t-aix43 (T_ADAFLAGS): Define.

        * alias.c (find_base_value, PLUS/MINUS): If we found a base,
        return it.

2002-01-05  Daniel Berlin  <dan@dberlin.org>

        * lcm.c: Revert change, due to performance regression it causes on
        SPEC because it's slightly more conservative (sigh, I hate
        edge-based LCM).

Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.

2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/cppinternals.texi: Update.

2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>

        * doc/invoke.texi (Option Summary) <MMIX Options>: Document
        -mbranch-predict, -mreg-stack-fill-bug-workaround and their
        negatives.
        (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
        kludge for pre-october-14th mmix versions to handle new-found bug
        with PUSHJ/PUSHGO and the register stack.
        * config/mmix/mmix.h (struct machine_function): Rename member
        has_call_value_without_parameters to has_call_without_parameters.
        All referers changed.
        (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
        TARGET_MASK_BRANCH_PREDICT): New macros.
        (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
        -mno-reg-stack-fill-bug-workaround.
        * config/mmix/mmix.md ("call"): Set struct machine member
        has_call_without_parameters.

Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (thread_jump): Fix handling of reversed branches.

Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c: Include tm_p.h
        (mark_effect): Fix handling of hard register; fix handling of SET

2002-01-04  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (anonymous patterns): Check that
        operands are registers before using REGNO on them.

2002-01-03  Roland McGrath  <roland@frob.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.

2002-01-04  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (expand_expr_stmt_value): Add maybe_last argument.
        * c-common.h (genrtl_expr_stmt_value): Likewise.
        * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
        (expand_expr_stmt_value): Add maybe_last argument.
        Don't warn about statement with no effect if it is the last statement
        in expression statement.
        * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
        (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
        expand_expr_stmt_value.
        (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
        genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
        * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
        as maybe_last to expand_expr_stmt_value.

Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)

        * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
        be passed in, do not build it.
        (c_begin_if_stmt): New function.
        (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
        * c-common.h (c_expand_start_cond): Update prototype.
        (c_begin_if_stmt): Prototype new function.
        (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
        * c-parse.in (if_prefix): Use c_begin_if_stmt,
        c_begin_while_stmt and c_finish_while_stmt_cond.

2002-01-04  William Cohen  <wcohen@redhat.com>

        * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
        * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
        * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
        * config/pa/som.h (ASM_FILE_START): Likewise.

2002-01-04  Daniel Berlin  <dan@cgsoftware.com>

        * lcm.c: Include df.h.
        Add available_transfer_function prototype.
        (compute_available): Rework to use iterative dataflow framework.
        (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
        with bb_info in df.h
        (available_transfer_function): New function.

        * Makefile.in (lcm.o): add df.h to dependencies.

2002-01-04  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_operand): Accept HIGH.
        (input_operand): Likewise; accept simple references to globals.
        (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
        (alpha_const_double_ok_for_letter_p): Likewise.
        (alpha_extra_constraint): Likewise.
        (alpha_preferred_reload_class): Likewise.  Do not force
        symbolic constants to memory.
        (alpha_legitimate_address_p): Accept simple references
        to small_symbolic_operand.
        (alpha_legitimize_address): New arg scratch.  Be prepared to be
        called when no_new_pseudos.  Emit simple symbolic references.
        Split integers into low, high, and rest.
        (alpha_expand_mov): Use alpha_legitimize_address.
        (some_small_symbolic_mem_operand): New.
        (split_small_symbolic_mem_operand): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
        (EXTRA_CONSTRAINT): Likewise.
        (PREFERRED_RELOAD_CLASS): Likewise.
        (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
        (PREDICATE_CODES): Update.
        * config/alpha/alpha.md: New post-reload splitters to convert
        simplfied symbolic operands to the form that references $29.
        (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
        (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.

2002-01-03  Richard Henderson  <rth@redhat.com>

        * local-alloc.c (function_invariant_p): Update commentary.

2002-01-04  H.J. Lu <hjl@gnu.org>

        * toplev.c (rest_of_compilation): Fix a typo when calling
        cleanup_cfg.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * c-common.c: Fix formatting.
        * diagnostic.c: Likewise.
        * doloop.c: Likewise.
        * dwarf2out.c: Likewise.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
        of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.

2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpperror.c: Update comments and copyright.
        * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
        cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.

2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * collect2.c (main): Use strcmp when testing for "-shared".

2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppmacro.c: Don't include intl.h.  Update comments.
        (new_number_token): Allocate enough buffer for 64-bit unsigned
        integers; update prototype.
        * cppmain.c: Update comments.

2002-01-03  William Cohen  <wcohen@redhat.com>

        * function.h (struct function): Add profile.
        (current_function_profile): New.
        doc/extend.texi: Update documentation.
        * final.c (final_start_function): Use current_function_profile
        instead of profile_flag.
        (profile_after_prologue): Likewise.
        * function.c (expand_function_start): Likewise.
        (expand_function_start): Likewise.
        * config/alpha/alpha.c (direct_call_operand):
        (alpha_does_function_need_gp): Likewise.
        (alpha_expand_prologue): Likewise.
        * config/arm/arm.c (arm_expand_prologue): Likewise.
        thumb_expand_prologue: Likewise.
        * config/d30v/d30v.c (d30v_stack_info): Likewise.
        * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
        (fr30_expand_prologue): Likewise.
        * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
        * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
        * config/i386/i386.h (FINALIZE_PIC): Likewise.
        * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
        * config/i960/i960.c (i960_output_function_prologue): Likewise.
        * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
        * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
        (m32r_expand_prologue): Likewise.
        * config/m88k/m88k.c (m88k_layout_frame): Likewise.
        (m88k_expand_prologue): Likewise.
        * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
        * config/mips/mips.c (compute_frame_size): Likewise.
        (mips_expand_prologue): Likewise.
        (mips_can_use_return_insn): Likewise.
        * config/pa/elf.h (ASM_FILE_START): Likewise.
        * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
        * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
        * config/pa/som.h (ASM_FILE_START): Likewise.
        * config/romp/romp.c (romp_using_r14): Likewise.
        * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
        (rs6000_stack_info): Likewise.
        * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
        * config/v850/v850.c (compute_register_save_size): Likewise.

2002-01-03  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_binary_operation) [DIV]: If
        gen_lowpart_common fails, use gen_lowpart_SUBREG.

2002-01-03  Turly O'Connor  <turly@apple.com>

        * darwin.c (machopic_output_possible_stub_label): Don't generate
        stub routines for pseudo-stubs which we've just defined.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * builtins.c: Fix formatting.
        * c-typeck.c: Likewise.
        * combine.c: Likewise.
        * expr.c: Likewise.
        * loop.c: Likewise.

2002-01-03  Andreas Schwab  <schwab@suse.de>

        * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
        and return true if _cpp_push_next_buffer pushed a new include
        file.
        * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
        _cpp_pop_file_buffer did not push a new file.
        * cpphash.h (_cpp_pop_file_buffer): Update declaration.

2002-01-02  Eric Christopher  <echristo@redhat.com>

        * final.c (final_scan_insn): Change 0 -> NULL_RTX in
        FIND_REG_INC_NOTE call. Update copyright.
        * loop.c (canonicalize_condition): Ditto.
        * reorg.c (delete_scheduled_jump): Ditto.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * gcse.c: Fix formatting.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
        forward defs for struct tags rtx_def, union_tree, rtvec_def
        also output corresponding typedefs for rtx, tree, and rtvec.

        * system.h: Move forward defs for struct tags rtx_def, union_tree,
        rtvec_def along with corresponding typedefs for rtx, tree, and
        rtvec to config.h, hconfig.h, tconfig.h.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * tree.h: Update copyright date.
        (IS_EXPR_CODE_CLASS): Add parenthesis.
        (TREE_SET_CODE): Add whitespace.
        (TREE_CHECK): Add parenthesis.
        (TREE_CLASS_CODE): Add parenthesis and wrap long line.
        (CST_OR_CONSTRUCTOR_CHECK):
        (EXPR_CHECK): Add parenthis, whitespace and wrap line.
        (TREE_SYMBOL_REFERENCED): Whitespace.
        (INT_CST_LT): Likewise.
        (INT_CST_LT_UNSIGNED): Likewise.
        (tree_real_cst): Unwrap comment.
        (tree_string): Likewise.
        (tree_complex): Likewise.
        (IDENTIFIER_POINTER): correct cast.
        (SAVE_EXPR_CONTEXT): Whitespace.
        (EXPR_WFL_FILENAME_NODE): Likewise.
        (EXPR_WFL_FILENAME): Remove parenthesis.
        (DECL_ORIGIN): Add parenthesis.
        (DECL_FROM_INLINE): Use NULL_TREE.
        (build_int_2): Whitespace.
        (build_type_variant): Add parenthesis.

        * gcc/jcf-parse.c: Update copyright date.
        (yyparse): Constify resource_filename.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * rtl.h: Update copyright date.
        (RTL_CHECK1): Wrap long line.
        (RTL_CHECK2): Likewise.
        (RTL_CHECKC1): Wrap long line and whitespace.
        (RTL_CHECKC2): Likewise.
        (XWINT): Whitespace.
        (XINT): Likewise.
        (XSTR): Likewise.
        (XEXP): Likewise.
        (XVEC): Likewise.
        (XMODE): Likewise.
        (XBITMAP): Likewise.
        (XTREE): Likewise.
        (XBBDEF): Likewise.
        (XTMPL): Likewise.
        (X0WINT): Likewise.
        (X0INT):Likewise.
        (X0UINT): Likewise.
        (X0STR): Likewise.
        (X0EXP): Likewise.
        (X0VEC): Likewise.
        (X0MODE): Likewise.
        (X0BITMAP): Likewise.
        (X0TREE): Likewise.
        (X0BBDEF): Likewise.
        (X0ADVFLAGS): Likewise.
        (X0CSELIB): Likewise.
        (X0MEMATTR): Likewise.
        (XCWINT): Likewise.
        (XCINT): Likewise.
        (XCUINT): Likewise.
        (XCSTR): Likewise.
        (XCEXP): Likewise.
        (XCVEC): Likewise.
        (XCMODE): Likewise.
        (XCBITMAP): Likewise.
        (XCTREE): Likewise.
        (XCBBDEF): Likewise.
        (XCADVFLAGS): Likewise.
        (XCCSELIB): Likewise.
        (XC2EXP): Likewise.
        (INSN_UID): Likewise.
        (PREV_INSN): Likewise.
        (PATTERN): Likewise.
        (INSN_CODE): Likewise.
        (PUT_REG_NOTE_KIND): Likewise.
        (CODE_LABEL_NUMBER): Likewise.
        (NOTE_SOURCE_FILE): Likewise.
        (NOTE_BLOCK): Likewise.
        (NOTE_EH_HANDLER): Likewise.
        (NOTE_RANGE_INFO): Likewise.
        (NOTE_LIVE_INFO): Likewise.
        (NOTE_BASIC_BLOCK): Likewise.
        (NOTE_EXPECTED_VALUE): Likewise.
        (NOTE_LINE_NUMBER): Likewise.
        (LABEL_NAME): Likewise.
        (LABEL_NUSES): Likewise.
        (LABEL_ALTERNATE_NAME): Likewise.
        (ADDRESSOF_DECL): Likewise.
        (JUMP_LABEL): Likewise.
        (LABEL_NEXTREF): Likewise.
        (REGNO): Likewise.
        (ORIGINAL_REGNO: Likewise.
        (HARD_REGISTER_NUM_P): Add parenthesis.
        (SUBREG_REG): Whitespace.
        (SUBREG_BYTE): Likewise.
        (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
        (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
        (ASM_OPERANDS_OUTPUT_IDX): Likewise.
        (ASM_OPERANDS_INPUT_VEC): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
        (ASM_OPERANDS_INPUT): Likewise.
        (ASM_OPERANDS_INPUT_LENGTH): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
        (ASM_OPERANDS_INPUT_MODE): Likewise.
        (ASM_OPERANDS_SOURCE_FILE): Likewise.
        (ASM_OPERANDS_SOURCE_LINE): Likewise.
        (MEM_SET_IN_STRUCT_P): Minor reformat.
        (TRAP_CONDITION): Whitespace.
        (TRAP_CODE): Likewise.
        (COND_EXEC_TEST): Likewise.
        (COND_EXEC_CODE): Likewise.
        (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
        (PHI_NODE_P): Add parenthesis.
        (plus_constant): Whitespace and add parenthesis.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * config/avr/avr.c: Fix comment typos.
        * config/c4x/c4x.md: Likewise.
        * config/dsp16xx/dsp16xx.h: Likewise.
        * config/dsp16xx/dsp16xx.md: Likewise.
        * config/i386/i386.md: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/m68hc11/m68hc11.md: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10200/mn10200.c: Likewise.
        * config/romp/romp.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/stormy16/stormy16.h: Likewise.
        * config/stormy16/stormy16.md: Likewise.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * loop.h: Update copyright date.
        (LOOP_MOVABLES): Fix typo.
        (LOOP_REGS): Likewise.
        (LOOP_IVS): Likewise.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * cppinit.c: Update copyright date.
        Don't include output.h
        * Makefile.in: Update copyright date.
        Update dependency.

2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR c/5226
        * invoke.texi (-mthreads): Remove from documented RS/6000 options.
        (-pthread) Add to RS/6000 options.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * except.c: Fix comment typos.
        * loop.c: Likewise.
        * varasm.c: Likewise.
        * doc/tm.texi: Fix a typo.

2002-01-02  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (output_init_element): Allow initializing static storage
        duration objects with compound literals.

2002-01-02  Richard Henderson  <rth@redhat.com>

        * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
        after abusing it.

2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcc.c (default_compilers): Const-ify.
        * mips-tdump.c (stab_names): Likewise.
        * mips-tfile.c (map_coff_types, map_coff_storage,
        map_coff_sym_type, map_coff_derived_type, stabs_symbol,
        pseudo_ops_t, pseudo_ops): Likewise.
        * protoize.c (default_include): Likewise

        * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
        (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
        Add array size in declaration.
        (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
        emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
        esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
        etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
        eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
        efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
        c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
        emtens, make_nan): Const-ify.
        (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
        DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.

2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * config.gcc (ia64-*-*): Set extra_headers.
        (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
        * config/alpha/t-osf: Remove.
        * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.

2002-01-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43: Revert previous change.

2002-01-02  Jason Merrill  <jason@redhat.com>

        * c-decl.c (c_expand_body): Call outlining_inline_function when
        emitting an inline function out of line.

2002-01-02  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (limbo_die_node): Add created_for member.
        (new_die): New argument created_for.  Update all callers.
        (mark_limbo_die_list): New.
        (dwarf2out_init): Register limbo_die_list as a root.
        (dwarf2out_finish): Force insert limbo dies into their function
        context.

2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/5089
        * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/fixunssfsi.c: Update copyright.
        Fix comment typos.
        Fix formatting.
        * config/h8300/h8300.c: Update copyright.
        Eliminate warnings.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * config/romp/romp.c: Fix comment formatting.
        * config/romp/romp.h: Likewise.
        * config/romp/romp.md: Likewise.
        * config/s390/s390.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/stormy16/stormy16.h: Likewise.

2002-01-02  Alexandre Oliva  <aoliva@redhat.com>

        * c-common.h (genrtl_expr_stmt_value): Declare.
        * c-semantics.c (genrtl_goto_stmt): Redirect to...
        (genrtl_goto_stmt_value): ... this new function.  Pass new
        argument down to expand_expr_stmt_value, taking
        TREE_ADDRESSABLE into account.
        * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
        STMT_EXPR as addressable, i.e., one whose result we want.
        * expr.c (expand_expr): Don't save expression statement value
        of labeled_blocks or loop_exprs.
        * stmt.c (expand_expr_stmt): Redirect to...
        (expand_expr_stmt_value): ... this new function.  Use new
        argument to tell whether to save expression value.
        (expand_end_stmt_expr): Reset last_expr_type and
        last_expr_value if we don't have either.
        * tree-inline.c (declare_return_variable): Mark its use
        statement as addressable.
        * tree.h: Document new use of TREE_ADDRESSABLE.
        (expand_expr_stmt_value): Declare.

2002-01-01  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
        rs6000_emit_allocate_stack.

2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>

        * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
        ${srcdir}/ginclude/ to every entry in extra_headers.
        * configure: Regenerate.
        * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
        * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
        * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
        * ginclude/proto.h: Rename to config/convex/proto.h.

Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * attribs.c (handle_vector_size_attribute): Use host_integerp
        and tree_int_cst; remove warnings.
        * caller-save.c (insert_restore): Add cast to get rid of warning.
        (insert_save): Likewise.
        * emit-rtl.c (adjust_address_1, offset_address): Likewise.
        * regmove.c (find_matches): Add temporary var to kill a warning.

2002-01-01  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
        LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
        * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
        (vms-dwarf2eh.o): Add Makefile rule.
        * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
        * config/alpha/vms-dwarf2eh.asm: New file.

        * gcc.c (delete_if_ordinary): Delete all versions.

2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md: Update FIXME to not mention
        define_constants.
        (MMIX_rJ_REGNUM): New define_constants constant.
        ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
        "*movdicc_real"): Adjust contraints formatting.
        ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
        for branch prediction.
        ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
        output template.
        ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
        "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
        number.  Delete related FIXMEs.
        * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
        from number to MMIX_rJ_REGNUM.
        (TARGET_MASK_BRANCH_PREDICT): New.
        (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
        (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
        value.  Add -mbranch-predict and -mno-branch-predict.
        (TARGET_VERSION): Drop date.
        (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
        * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
        for finding out global symbols.
        (mmix_asm_output_labelref): Revert condition for global symbol.
        (mmix_print_operand): <case '+'>: Emit P for a likely branch.
        (mmix_print_operand_punct_valid_p): A '+' is valid.

See ChangeLog.6 for earlier changes.