emit-rtl.c (gen_rtx): Remove.

[gcc.git] / gcc / ChangeLog

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_rtx): Remove.
        * genattrtab.c: Don't mention gen_rtx in a comment.
        * rtl.h: Remove the prototype for gen_rtx.
        * doc/md.texi: Replace gen_rtx with gen_rtx_REG.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.h, config/fr30/fr30.h
        (SETUP_INCOMING_VARARGS): Remove the target-independent
        comments.
        * doc/tm.texi: Don't mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
        target-independent comment.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
        mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Remove obsolete ports and configurations.
        * config/linux-aout.h, config/netware.h,
        config/t-linux-gnulibc1, config/d30v/abi,
        config/d30v/d30v-protos.h, config/d30v/d30v.c,
        config/d30v/d30v.h, config/d30v/d30v.md,
        config/d30v/libgcc1.asm, config/d30v/t-d30v,
        config/dsp16xx/dsp16xx-modes.def,
        config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
        config/i370/README, config/i370/i370-c.c,
        config/i370/i370-protos.h, config/i370/i370.c,
        config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
        config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
        config/i386/freebsd-aout.h, config/i386/linux-aout.h,
        config/i386/moss.h, config/i386/netware.h,
        config/i386/svr3.ifile, config/i386/svr3dbx.h,
        config/i386/svr3gas.h, config/i386/svr3z.ifile,
        config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
        config/i960/i960-c.c, config/i960/i960-coff.h,
        config/i960/i960-modes.def, config/i960/i960-protos.h,
        config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
        config/i960/rtems.h, config/i960/t-960bare,
        config/m68k/hp310.h, config/m68k/hp320.h,
        config/m68k/hp320base.h, config/m68k/m68kv4.h,
        config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
        Remove.
        * doc/extend.texi, doc/install.texi, doc/invoke.texi,
        doc/md.texi: Remove mentions of obsolete ports.

2004-02-04  Jan Hubicka  <jh@suse.cz>

        * alias.c (find_base_term, get_addr):  Do not dereference NULL
        pointer when all VALUE's locations has been invalidated.
        (rtx_equal_for_memref_p): Simplify checking of VALUEs.

2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org> 

        * doc/invoke.texi (x86 options): Fix spelling/wording.

2004-02-03  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
        put the original string in a comment.
        * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
        * config/mips/mips.c (mips_output_ascii): Likewise.
        * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (GIV_SORT_CRITERION): Poison.
        * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
        * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.

2004-02-03  Roger Sayle  <roger@eyesopen.com>

        PR target/9348
        * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
        multiplies with a multiplication of the wrong signedness, its the
        signedness of the multiplication that we've performed that needs to
        be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
        if expand_mult_highpart_adjust places the result in target.

2004-02-03  Richard Henderson  <rth@redhat.com>

        * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.

2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh[234]l): Use little endian fragments.

2004-02-03  Paul Koning  <pkoning@equallogic.com>

        * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
        * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
        * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
        encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
        floating point format.
        (pdp11_f_format, pdp11_d_format): New real_format descriptors for
        the above functions.
        (output_move_quad): Output float values in correct target format.
        (legitimate_const_double_p): New function.
        * config/pdp11/pdp11.h: Fix typos.
        (FLOAT_WORDS_BIG_ENDIAN): Add definition.
        (TARGET_FLOAT_FORMAT): Ditto.
        (pdp11_f_format, pdp11_d_format): Add external declarations.
        (MAX_REGS_PER_ADDRESS): Corrected.
        (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
        (PRINT_OPERAND): Output float literals in target format.

2004-02-03  Mark Mitchell  <mark@codesourcery.com>

        PR c++/13975
        * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
        TI_PRIVATE.
        (access_public_node): Redefine.
        (access_protected_node): Likewise.
        (access_private_node): Likewise.
        * tree.c (build_common_tree_nodes): Create access_public_node,
        access_protected_node, and access_private_node.

2004-02-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
        (MASK_INLINE_INT_DIV_THR): Ditto.
        (MASK_INLINE_SQRT_LAT): Ditto.
        (MASK_INLINE_SQRT_THR): Ditto.
        (MASK_DWARF2_ASM): Ditto.
        (MASK_EARLY_STOP_BITS): Ditto.

2004-02-02  Paul Brook  <paul@codesourcery.com>

        Merge from csl-arm-branch.

        2004-01-30  Paul Brook  <paul@codesourcery.com>

        * aof.h (REGISTER_NAMES): Add vfp reg names
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * aout.h (REGISTER_NAMES): Ditto.
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * arm-protos.h: Update/Add Prototypes.
        * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
        Only allow 0.0 for VFP.
        (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
        (values_fp): Rename from values_fpa.  Update Users.
        (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
        Update users.  Only check valid constants for this hardware.
        (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
        Only allow consts for FPA.
        (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
        Only allow consts for FPA.
        (use_return_insn): Check for saved VFP regs.
        (arm_legitimate_address_p): Handle VFP DFmode addressing.
        (arm_legitimize_address): Ditto.
        (arm_general_register_operand): New function.
        (vfp_mem_operand): New function.
        (vfp_compare_operand): New function.
        (vfp_secondary_reload_class): New function.
        (arm_float_compare_operand): New function.
        (vfp_print_multi): New function.
        (vfp_output_fstmx): New function.
        (vfp_emit_fstm): New function.
        (arm_output_epilogue): Output VPF reg restore code.
        (arm_expand_prologue): Output VFP reg save code.
        (arm_print_operand): Add 'P'.
        (arm_hard_regno_mode_ok): Return modes for VFP regs.
        (arm_regno_class): Return classes for VFP regs.
        (arm_compute_initial_elimination_offset): Include space for VFP regs.
        (arm_get_frame_size): Ditto.
        * arm.h (FIXED_REGISTERS): Add VFP regs.
        (CALL_USED_REGISTERS): Ditto.
        (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
        (FIRST_VFP_REGNUM): Define.
        (LAST_VFP_REGNUM): Define.
        (IS_VFP_REGNUM): Define.
        (FIRST_PSEUDO_REGISTER): Include VFP regs.
        (HARD_REGNO_NREGS): Handle VFP regs.
        (REG_ALLOC_ORDER): Add VFP regs.
        (enum reg_class): Add VFP_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.
        (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
        (REG_CLASS_FROM_LETTER): Add 'w'.
        (EXTRA_CONSTRAINT_ARM): Add 'U'.
        (EXTRA_MEMORY_CONSTRAINT): Define.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
        (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
        (REGISTER_MOVE_COST): Ditto.
        (PREDICATE_CODES): Add arm_general_register_operand,
        arm_float_compare_operand and vfp_compare_operand.
        * arm.md (various): Rename as above.
        (divsf3): Enable when TARGET_VFP.
        (divdf3): Ditto.
        (movdfcc): Ditto.
        (sqrtsf2): Ditto.
        (sqrtdf2): Ditto.
        (arm_movdi): Disable when TARGET_VFP.
        (arm_movsi_insn): Ditto.
        (movsi): Only split with general regs.
        (cmpsf): Use arm_float_compare_operand.
        (push_fp_multi): Restrict to TARGET_FPA.
        (vfp.md): Include.
        * vfp.md: New file.
        * fpa.md (various): Rename as above.
        * doc/md.texi: Document ARM w and U constraints.

        2004-01-15  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Add with_fpu.  Allow with-float=softfp.
        * config/arm/arm.c (arm_override_options): Rename *-s to *s.
        Break out of loop when we find a float-abi.  Fix typo.
        * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
        Set -mfloat-abi=.
        * doc/install.texi: Document --with-fpu.

        2003-01-14  Paul Brook  <paul@codesourcery.com>

        * config.gcc (with_arch): Add armv6.
        * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
        * config/arm/arm.c (arm_overrride_options): Ditto.

        2004-01-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
        (FL_ARCH6): Renamed from FL_ARCH6J.
        (arm_arch3m): Renamed from arm_fast_multiply.
        (arm_arch6): Renamed from arm_arch6j.
        * arm.h: Update all uses of above.
        * arm-cores.def: Likewise.
        * arm.md: Likewise.

        * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
        not arm6j.  Add entry for arch armv6.

        2004-01-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_emit_extendsi): Delete.
        * arm-protos.h (arm_emit_extendsi): Delete.
        * arm.md (zero_extendhisi2): Also handle zero-extension of
        non-subregs.
        (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
        (thumb_zero_extendhisi2): Only match if not v6.
        (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
        (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
        (thumb_extendqisi2): Likewise.
        (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
        (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
        (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
        (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
        (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
        (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
        (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
        (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
        (arm_extendqisi2addsi): Likewise.

        2003-12-31  Mark Mitchell  <mark@codesourcery.com>

        Revert this change:
        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        2003-12-30  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
        CONSTANT_P_RTX.

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * longlong.h: protect arm inlines with !defined (__thumb__)

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.

        2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
        change.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Add pretend args size
        to the virtual incoming args pointer for downward stacks.

        2003-12-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-cores.def: Add cost function.
        * config/arm/arm.c (arm_*_rtx_costs): New functions.
        (arm_rtx_costs): Remove
        (struct processors): Add rtx_costs field.
        (all_cores, all_architectures): Ditto.
        (arm_override_options): Set targetm.rtx_costs.
        (thumb_rtx_costs): New function.
        (arm_rtx_costs_1): Remove cases handled elsewhere.
        * config/arm/arm.h (processor_type): Add COSTS parameter.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
        (arm926ejs.md): Include it.
        * config/arm/arm926ejs.md: New pipeline description.

        2003-12-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_arch6j): New variable.
        (arm_override_options): Set it.
        (arm_emit_extendsi): New function.
        * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
        * config/arm/arm.h (arm_arch6j): Declare.
        * config/arm/arm.md: Add sign/zero extend insns.

        2003-12-23  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (all_architectures): Add armv6.
        * doc/invoke.texi: Document it.

        2003-12-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
        insn patterns to match.
        * config/arm/arm-generic.md: Ditto.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/amm/iwmmxt.md: Ditto.
        * config/arm/arm1026ejs.md: Ditto.
        * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
        for 11_loadb.

        2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
        * config/arm/arm.c (arm_adjust_cost): Check shift cost for
        TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
        (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
        arm_no_early_mul_dep): Correctly deal with conditional execution,
        parallels and single shift operations.
        (arm_no_early_alu_shift_value_dep): Define.
        * arm.md (attr type): Replace 'normal' with 'alu',
        'alu_shift' and 'alu_shift_reg'.
        (attr core_cycles): Adjust.
        (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
        *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
        *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
        *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
        *arith_shiftsi_compare0_scratch, *sub_shiftsi,
        *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
        *if_shift_move, *if_move_shift, *if_shift_shift): Set type
        attribute appropriately.
        * config/arm/arm1026ejs.md (alu_op): Adjust.
        (alu_shift_op, alu_shift_reg_op): New.
        * config/arm/arm1136.md: Add better bypasses for early
        registers. Remove load[234] and store[234] bypasses.
        (11_alu_op): Adjust.
        (11_alu_shift_op, 11_alu_shift_reg_op): New.

        2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
        * config/arm/arm.c (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
        * config/arm/arm1026ejs.md: Add load-store bypass.
        * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
        Add bypasses between instructions.

        2003-12-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_fpu_model): New variable.
        (arm_fload_abi): New variable.
        (target_fpe_name): Rename from target_fp_name.
        (target_fpu_name): New variable.
        (arm_is_cirrus): Remove.
        (fpu_desc): New struct.
        (all_fpus): Define.
        (pf_model_for_fpu): Define.
        (all_loat_abis): Define.
        (arm_override_options): Set fp arch flags based on -mfpu=
        and -float-abi=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (*): Use new TARGET_* flags.
        * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
        (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
        (TARGET_SOFT_FLOAT): Ditto.
        (TARGET_SOFT_FLOAT_ABI): New.
        (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
        TARGET_HARD_FLOAT.
        (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
        (TARGET_OPTIONS): Add -mfpu=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (arm_pf_model): Define.
        (arm_float_abi_type): Define.
        (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
        * config/arm/arm.md: Use new TARGET_* flags.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
        * config/arm/semi.h (ASM_SPEC): Ditto.
        * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
        (FPUTYPE_DEFAULT): Set to VFP.
        * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.

        2003-11-22  Phil Edwards  <phil@codesourcery.com>

        PR target/12476
        * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
        'bx' instead of 'b' to avoid branch range restrictions.  Output
        the thunk immediately before the thunked-to function.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
        .thumb_func if a thunk is being generated.  Emit .code 16 along
        with .thumb_func if a thunk is not being generated.

        2003-11-15  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
        arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
        * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
        (lshrdi3_iwmmxt): Renamed from lshrdi3.
        * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.

        2003-11-12  Steve Woodford  <scw@wasabisystems.com>
            Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
        code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).

        2003-11-05  Phil Edwards  <phil@codesourcery.com>

        * config/arm/arm.md (insn):  Add new V6 instruction names.
        (generic_sched):  New attr.
        * config/arm/arm-generic.md:  Use generic_sched here.
        * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
        stages of pipeline.  Adjust latency counts accordingly.
        * config/arm/arm1136jfs.md:  New file.

        2003-10-28  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (processor_type): New enumeration type.
        (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
        ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
        (CPP_CPU_ARCH_SPEC): Likewise.
        * config/arm/arm.c (arm_tune): New variable.
        (all_cores): Use cores.def.
        (all_architectures): Add representative processor.
        (arm_override_options): Restructure way in which tuning
        information is deduced.
        * arm.md: Update "insn" and "type" attributes throughout.
        (insn): New attribute.
        (type): Compute "mult" from "insn" attribute.  Add load2,
        load3, load4 alternatives.
        (arm automaton): Move to arm-generic.md.
        * config/arm/arm-cores.def: New file.
        * config/arm/arm-generic.md: Likewise.
        * config/arm/arm1026ejs.md: Likewise.

2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Remove -mflat and
        all -mxxx (xxx:chip) options.
        * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
        * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
        * config/sparc/sparc.c: Likewise.
        (sparc_output_function_prologue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
        (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
        (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
        (sparc_flat_must_save_register_p): Likewise.
        (sparc_flat_compute_frame_size): Likewise.
        (sparc_flat_save_restore): Likewise.
        (sparc_flat_function_prologue): Likewise.
        (sparc_flat_function_epilogue): Likewise.
        (sparc_flat_epilogue_delay_slots): Likewise.
        (sparc_flat_eligible_for_epilogue_delay): Likewise.
        (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
        * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
        (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
        (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
        (CONDITIONAL_REGISTER_USAGE): Likewise.
        (FRAME_POINTER_REQUIRED): Likewise.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (BASE_RETURN_VALUE_REG): Likewise.
        (BASE_OUTGOING_VALUE_REG): Likewise.
        (BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        (INCOMING_REGNO): Likewise.
        (OUTGOING_REGNO): Likewise.
        (LOCAL_REGNO): Likewise.
        (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
        (EPILOGUE_USES): Likewise.
        * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
        ("flat" attribute): Delete.
        (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
        handling.
        (call followed by jump define_peephole's): Delete.
        (exception_receiver): Likewise.
        (builtin_setjmp_receiver): Likewise.
        * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.

2004-02-03  Paolo Bonzini  <bonzini@gnu.org>

        PR c/11658
        PR c/13994
        * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
        on langhooks.h.
        * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
        * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
        Include langhooks.h.  Replace c_common_truthvalue_conversion
        with the truthvalue_conversion language hook throughout.
        (expr_no_commas): Call default_conversion before save_expr
        for the first term of the production 'x ? : y'.
        * c-common.c (c_common_truthvalue_conversion): Remove
        obsolete block.  Invoke recursively the hook instead
        of this function.
        * c-convert.c (convert): handle ERROR_MARK_NODE.
        * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
        returned by the truthvalue_conversion language hook.
        * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.
        * c-objc-common.c (c_objc_common_truthvalue_conversion):
        New function.
        * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
        * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
        of gen_rtx.
        (LIBCALL_VALUE): Likewise.
        * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
        gen_rtx_CC0 instead of gen_rtx.
        * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
        gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
        (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
        gen_rtx.
        (m68hc11_emit_logical): Likewise.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
        config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
        config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
        config/m32r/m32r.md, config/m68hc11/m68hc11.c,
        config/mips/mips.md, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/mn10300/mn10300.md,
        config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
        config/rs6000/altivec.md, config/s390/s390.c,
        config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
        config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
        Use const0_rtx instead of GEN_INT (0).  Do the same for other
        constants that are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * doloop.c, optabs.c, regmove.c, sched-deps.c,
        config/i386/i386.c, config/i386/i386.md: Use const0_rtx
        instead of GEN_INT (0).  Do the same for other constants that
        are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
        instead of gen_rtx.
        * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
        gen_rtx_ASHIFT instead of gen_rtx.
        (udivmodqi4): Likewise.

2004-02-02  Richard Henderson  <rth@redhat.com>

        PR target/13789
        * expr.c (store_expr): Use force_operand before emit_move_insn.

2004-02-02  Jeff Law  <law@redhat.com>
            Roger Sayle  <roger@eyesopen.com>

        * tree.c (commutative_tree_code, associative_tree_code): New
        functions.
        (iterative_hash_expr): Use commutative_tree_code.
        * tree.h (commutative_tree_code, associative_tree_code): Declare.
        * fold-const.c (operand_equal_p): Use commutative_tree_code
        rather than inlining the commutativity check.
        (fold): Likewise.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
        * config/frv/frv-protos.h: Remove the prototype for
        frv_function_arg_keep_as_reference.
        * config/frv/frv.c (frv_function_arg_keep_as_reference):
        Remove.
        * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
        * config/stormy16/stormy16.h: Remove the commented-out
        definition of FUNCTION_ARG_KEEP_AS_REFERENCE.

2004-02-03  Alan Modra  <amodra@bigpond.net.au>

        PR target/13914
        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
        for retaddr_column.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
        gen_rtx.

2004-02-02  Eric Christopher  <echristo@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (c_common_handle_option): Add -finput-charset.
        * c.opt: Ditto.
        * cppcharset.c (one_iso88591_to_utf8): Remove.
        (convert_iso88591_utf8): Ditto.
        (conversion_tab): Remove 8859-1 converter.
        (_cpp_input_to_utf8): Remove.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        (_cpp_convert_input): New function.
        (_cpp_default_encoding): Ditto.
        * cpphash.h: Add/remove prototypes for above.
        * cppfiles.c (read_file_guts): Use _cpp_convert_input.
        * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
        for narrow execution and input character sets.
        * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
        * doc/cppopts.texi: Document -finput-charset.

2004-02-02  David Edelsohn  <edelsohn@gnu.org>

        * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
        against FIRST_PSEUDO_REGISTER.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Further improve.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
        config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/mips/mips.c,
        config/rs6000/rs6000.c, config/rs6000/rs6000.md,
        config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
        config/v850/v850.md: Fix indentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Align TImode
        arguments on a 16-byte boundary in the parameter array if ARCH64.
        Split handling of TFmode.

2004-02-02  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
        Don't test CONSTANT_P (x).
        (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
        ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
        Fix misindentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
        config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
        config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
        config/mn10300/mn10300.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
        config/stormy16/stormy16.c, config/v850/v850.md,
        config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (block_move_sequence): Replace
        gen_rtx_CONST_INT with GEN_INT.

2004-02-02  Jan Hubicka  <jh@suse.cz>

        * alias.c (record_set): Use hard_regno_nregs.
        * bt-load.c (find_btr_reference, note_btr_set): Likewise.
        * builtins.c (apply_args_size): Likewise.
        * caller-save.c (setup_save_areas, save_call_clobbered_regs,
        mark_set_regs, add_stored_regs, mark_referenced_regs,
        insert_restore, insert_save, insert_one_insn): Likewise.
        * cfgcleanup.c: Include regs.h
        (mark_effect, mentions_nonequal_regs): Likewise.
        * cfgrtl.c (mark_killed_regs): Likewise
        * combine.c (update_table_tick, record_value_for_reg,
        record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
        reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
        reg_bitfield_target_p, distribute_notes): Likewise.
        * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
        exp_equiv_p, cse_insn): Likewise.
        * cselib.c (cselib_lookup): Likewise.
        (cselib_invalidate_regno, cselib_record_set): Likewise.
        * df.c (df_ref_record): Likewise.
        * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
        Likewise.
        * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
        count_or_remove_death_notes_bb): Likewise.
        * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
        * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
        mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
        * integrate.c (mark_stores): Likewise.
        * jump.c (delete_prior_computation): Likewise.
        * lcm.c (reg_dies, reg_becomes_live): Likewise.
        * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
        * loop.c (LOOP_REGNO_NREGS): Likewise.
        * postreload.c (reload_combine, reload_combine_note_store,
        reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
        * ra-colorize.c (combine, color_usable_p, get_free_reg,
        calculate_dont_begin, calculate_dont_begin, colorize_one_web,
        try_recolor_web, insert_coalesced_conflicts, check_colors,
        break_precolored_alias): Likewise.
        * ra-debug.c: Include regs.h
        (ra_print_rtx_object): Likewise.
        * ra-rewrite (choose_spill_colors): Likewise.
        (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
        * ra.c (init_ra): Likewise.
        * recog.c (reg_fits_class_p, peep2_reg_dead_p,
        peep2_find_free_register): Likewise.
        * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
        * regclass.c (hard_regno_nregs): New array.
        (init_reg_modes_once): Initialize it.
        (choose_hard_reg_mode): Use it.
        (record_reg_classes): Likewise.
        * regmove.c (mark_flags_life_zones): Likewise.
        * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
        scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
        copy_value, maybe_mode_change, find_oldest_value_reg,
        copyprop_hardreg_forward_1):
        * regs.h (hard_regno_nregs): Declare.
        * realod.c (reload_inner_reg_of_subreg): Use it.
        (push_reload, combine_reloads, find_dummy_reload,
        hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
        refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
        reload_adjust_reg_for_mode): Likewise.
        * reload1.c (compute_use_by_pseudos, count_pseudo,
        count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
        spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
        clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
        allocate_reload_reg, choose_reload_regs, emit_reload_insns,
        delete_output_reload): Likewise.
        * resource.c (update_live_status, mark_referenced_resources,
        mark_set_resources, mark_target_live_regs): Likewise.
        * rtlanal.c:  Include regs.h
        (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
        dead_or_set_regno_p, find_regno_note, find_reg_fusage,
        subreg_regno_offset, subreg_offset_representable_p,
        hoist_test_store): Likewise.
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
        * sched-rgn.c (check_live_1, update_live_1): Likewise.
        * stmt.c: Include regs.h
        (decl_conflicts_with_clobbers_p): Likewise.
        * varasm.c (make_decl_rtl): Likewise.
        * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
        config/arm/linux-gas.h, config/arm/netbsd-elf.h,
        config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
        config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
        config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
        config/iq2000/iq2000.h, config/m32r/m32r.c,
        config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
        config/m68hc11/m68hc11.md, config/m68k/m68k.md,
        config/mcore/mcore.c, config/mcore/mcore.h,
        config/mcore/mcore.md, config/mips/mips.c,
        config/ns32k/ns32k.h, config/ns32k/ns32k.md,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
        config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
        "gen_rtx (FOO, " with "gen_rtx_FOO (".

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (two peephole2's): New.

2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
        (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
        (ASM_CPU_SPEC): Likewise
        * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
        (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
        isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
        (expand_builtin): Always call expand_builtin_pow.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
        BUILT_IN_SIGNBITL): New GCC builtins.
        * builtins.c (expand_builtin_signbit): New function to RTL expand
        calls to signbit, signbitf and signbitl as inline intrinsics.
        (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
        (fold_builtin_signbit): New function to perform constant folding
        of signbit, signbitf and signbitl.
        (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.

        * doc/extend.texi: Document new signbit{,f,l} builtins.

2004-02-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.

2004-02-01  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (PREDICATE_CODES): Remove entries for
        "mips_const_double_ok" and "simple_memory_operand", which were
        removed from the MIPS port with the mips-3_4-rewrite branch merge.
        * config/mips/mips.c (mips16_lay_out_constants): Update comment
        for removal of simple_memory_operand.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.md: Use GEN_INT instead of
        gen_rtx (CONST_INT, ...).

2004-01-31  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_pool): Don't zap the pool.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (decision_type): Add DT_const_int.
        (write_cond) [DT_const_int]: Print a comparison against small
        constant.
        (write_node): Simplify comparisons against small constants
        before printing tests.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.c (default_strict_argument_naming): Rename to
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.h: Update the prototype for
        default_strict_argument_naming.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * config/sh/sh.h: Likewise.
        * config/sh/sh.md: Likewise.

2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Restructure and update.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
        STRICT_ARGUMENT_NAMING): Poison.
        * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
        hook_bool_tree_false.
        * targhooks.c (default_promote_function_args): Remove.
        (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
        Don't check incoming.
        (default_strict_argument_naming): Don't use
        STRICT_ARGUMENT_NAMING.
        * targhooks.h: Remove the prototype for
        default_promote_function_args.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Remove the prototype for
        ix86_setup_incoming_varargs.
        * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (ix86_setup_incoming_varargs): Make it static.
        * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * alloc-pool.c: Fix comment typos.
        * builtin-types.def: Likewise.
        * builtins.def: Likewise.
        * c-pretty-print.c: Likewise.
        * df.h: Likewise.
        * reload1.c: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Follow spelling conventions.
        * doc/tm.texi: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/install.texi: Fix typos.
        * doc/invoke.texi: Likewise.

2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Do not treat virtual
        registers as pointers.
        * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.

2004-01-31  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_for_combine): Adjust all callers to go through
        gen_lowpart.
        * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_if_possible): Adjust all callers to go through
        gen_lowpart.
        * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
        (gen_lowpart): Declare as pointer to function, initialized to
        gen_lowpart_general.
        * rtl.h (gen_lowpart): Declare as pointer to function.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * calls.c: Likewise.
        * emit-rtl.c: Likewise.
        * function.c: Likewise.
        * reload1.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt.c: Likewise.

2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>

        PR bootstrap/9249
        * doc/install.texi: document --enable-__cxa_atexit option.
        * configure.ac: Disable __cxa_atexit if not supported.
        * configure: Regenerate.

2003-01-30  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c (ggc_free): New function.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
        cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
        flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
        ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
        tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
        config/alpha/alpha.c, config/alpha/alpha.h,
        config/alpha/alpha.md, config/alpha/unicosmk.h,
        config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
        config/c4x/c4x-protos.h, config/c4x/c4x.md,
        config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
        config/frv/frvend.c, config/i386/cygming.h,
        config/i386/djgpp.h, config/i386/emmintrin.h,
        config/i386/gthr-win32.c, config/i386/i386-interix.h,
        config/i386/i386-protos.h, config/i386/openbsd.h,
        config/i386/winnt.c, config/i386/xm-mingw32.h,
        config/i386/xmmintrin.h, config/ia64/ia64.md,
        config/iq2000/iq2000.md, config/m32r/m32r.md,
        config/m68k/m68k.md, config/mcore/mcore-elf.h,
        config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
        config/mips/iris5gas.h, config/mips/iris6.h,
        config/mips/iris6gas.h, config/mips/linux.h,
        config/mips/mips.md, config/mips/netbsd.h,
        config/mips/openbsd.h, config/mips/windiss.h,
        config/pa/fptr.c, config/rs6000/aix.h,
        config/rs6000/altivec.h, config/rs6000/darwin.h,
        config/rs6000/xcoff.h, config/s390/s390-protos.h,
        config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
        config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
        config/sparc/sol2.h: Update copyright.

2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (abs_docdir, abs_srcdir): Define.
        (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * genconfig.c (main): Have CC0_P check its operand even on a
        target without cc0.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c: Remove mentions of deprecates macros
        in comments, remove some target-independent comments about target
        macros, and/or add minimal function comments for target hook
        implementations.
        * config/avr/avr.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ip2k/ip2k.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        PR optimization/12147
        * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
        RELOAD_FOR_OPADDR_ADDR.
        (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
        might be reused as RELOAD_FOR_OPADDR_ADDR register.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * reload.c (get_secondary_mem): Fix updating of
        secondary_memlocs_elim_used.

2004-01-30  Richard Henderson  <rth@redhat.com>

        * varasm.c (struct rtx_const, struct pool_constant): Remove.
        (MAX_RTX_HASH_TABLE): Remove.
        (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
        (first_pool, last_pool, pool_offset): Remove.
        (struct rtx_constant_pool): Split out from ...
        (struct varasm_status): ... here.  Reference one via pointer.
        (struct constant_descriptor_rtx): Merge struct pool_constant.
        (SYMHASH): Remove.
        (decode_rtx_const): Remove.
        (const_hash_rtx, compare_constant_rtx): Remove.
        (record_constant_rtx): Remove.
        (const_desc_rtx_hash, const_desc_rtx_eq): New.
        (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
        (const_rtx_hash_1, const_rtx_hash): New.
        (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
        (simplify_subtraction): Use simplify_rtx.
        (force_const_mem): Rewrite to use new data structures.
        (find_pool_constant): Likewise.
        (get_pool_constant, get_pool_constant_mark,
        get_pool_constant_for_function, get_pool_mode,
        get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
        (output_constant_pool_2): Split out from output_constant_pool.
        (output_constant_pool_1): Likewise.  Use new pool datastructures.
        (output_constant_pool): Zap entire pool datastructure.
        (mark_constant): Use new pool datastructures.
        (mark_constants): Use for_each_rtx.
        (mark_constant_pool): Use new pool datastructures.

2004-01-30  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
        Copy operands[1] to pseudo for simplify_gen_subreg.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (bypass_block): Fix a typo in the previous check-in
        to the file.

2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>

        * toplev.c: Include alloc-pool.h.
        * Makefile.in (toplev.c): Update dependencies.

2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * combine.c (simplify_shift_const, case XOR): Be careful when
        commuting XOR with ASHIFTRT.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc-protos.h: Remove the prototype for
        sparc_builtin_saveregs.
        * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (sparc_builtin_saveregs): Make it static.
        (sparc_promote_prototypes): New.
        (sparc_struct_value_rtx): Likewise.
        (sparc_return_in_memory): Likewise.
        * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

        * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/12818
        * varasm.c (const_hash_1) <STRING_CST>: Use the
        address to compute the hash value if flag_writable_strings.
        (compare_constant) <STRING_CST>: Compare the addresses
        if flag_writable_strings.
        (build_constant_desc): Do not copy the expression for a
        STRING_CST if flag_writable_strings.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * alloc-pool.c: Include hashtab.h
        (alloc_pool_descriptor): New structure
        (alloc_pool_hash): New global variable.
        (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
        (create_alloc_pool): Update statistics.
        (free_alloc_pool): Likewise.
        (pool_alloc): Likewise.
        (output_info): New structure
        (print_statistics, dump_alloc_pool_statistics): New function.
        * alloc-pool.h (alloc_pool_def): Turn name to be constant.
        (dump_alloc_pool_statistics): Declare.
        * toplev.c (finalize):  Dump statistics.

        * reload.c (secondary_memlocs_elim_used): New static variable.
        (get_secondary_mem): Update it.
        (find_reloads): Use it.

2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30, again.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
        s390*-*-* targets by specifying a 'nop' insn.
        * configure: Regenerate.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/11475
        * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
        of addr when creating MEM copy.

2004-01-29  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (gen_field_die): Do not equate decl number to die.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        PR inline-asm/6162
        * reload.c (find_reloads): Only support one pair of commutative
        operands.

2004-01-29  Roger Sayle  <roger@eyesopen.com>

        PR java/13824
        * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
        as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
        recursion.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv.c: Don't mention deprecated macros in
        comments.  Remove some target-independent comments about
        target macros.
        * config/frv/frv.h: Likewise.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfghooks.c (split_block): Set probability and count of the
        new edge.

2005-01-29  Josef Zlomek  <zlomekj@suse.cz>

        * dwarf2out.c (struct die_struct): Added field decl_id.
        (decl_die_table): Changed to hash table.
        (decl_die_table_allocated): Deleted.
        (decl_die_table_in_use): Deleted.
        (DECL_DIE_TABLE_INCREMENT): Deleted.
        (decl_die_table_hash): New function.
        (decl_die_table_eq): New function.
        (lookup_decl_die): Lookup in a hash table.
        (equate_decl_number_to_die): Insert into a hash table.
        (dwarf2out_init): Init hash table decl_die_table.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/13424
        * expr.c (store_constructor): Revert 2003-12-03 change.

        * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
        expected before returning early.  Avoid sharing RTL if they
        need to be changed.

        * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
        handling so that memory attributes are preserved.  Don't call
        ix86_set_move_mem_attrs.
        (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
        (ix86_expand_clrstr): Rename src argument to
        dst.  Rework rep_stos and strset handling so that memory attributes
        are preserved.
        (ix86_expand_strlen): Pass src argument to
        ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
        memory attributes are preserved.
        (ix86_expand_strlensi_unroll_1): Add src argument.  Use
        change_address instead of gen_rtx_MEM.
        * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
        expanders.
        (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
        strmovqi, strmovqi_rex64): Remove.
        (rep_mov*, strmov*): Prefix insn names with *.
        (strset, strset_singleop, rep_stos): New expanders.
        (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
        strsetqi, strsetqi_rex64): Remove.
        (rep_stos*, strset*): Prefix insn names with *.
        (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
        to SImode.
        (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
        are preserved.
        (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
        Prefix insn names with *.
        (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
        (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
        (strlenqi_1): New expander.
        * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
        * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
        verify_flow_info): Declaration removed.
        * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
        (debug_bb, debug_bb_n): Add argument to dump_bb call.
        * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
        try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
        instead of delete_block.
        * cfghooks.c: Include timevar.h and toplev.h.
        (cfg_hooks): Define here.
        (verify_flow_info, dump_bb): Moved from cfg.c.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, split_block_after_labels, move_block_after,
        delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        New functions.
        * cfghooks.h (struct cfg_hooks): Added fields name,
        make_forwarder_block, tidy_fallthru_edge and
        move_block_after. Changed type of verify_flow_info, dump_bb,
        split_block fields. Renamed cfgh_split_edge and delete_block
        fields.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, delete_block, split_edge, create_basic_block,
        can_merge_blocks_p, merge_blocks): Macros removed.
        (cfg_hooks): Do not export.
        (verify_flow_info, dump_bb, redirect_edge_and_branch,
        redirect_edge_and_branch_force, split_block, split_block_after_labels,
        move_block_after, delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        Declare.
        (cfg_layout_rtl_cfg_hooks): Declare.
        * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
        New functions.
        (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
        (redirect_edge_with_latch_update): Removed.
        (make_forwarder_block): Moved to cfghooks.c, semantics changed.
        * cfgloopmanip.c (remove_bbs): Do not update dominators here.
        * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
        rtl_delete_block, rtl_split_block, rtl_merge_blocks,
        tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
        cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
        cfghooks.c.
        (rtl_create_basic_block): Coding style fix.
        (rtl_tidy_fallthru_edge, rtl_move_block_after,
        rtl_make_forwarder_block): New functions.
        (update_cfg_after_block_merging): Removed.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
        * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
        to dump_bb.
        * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
        find_if_case_2): Don't update dominators.
        * timevar.def (TV_CFG_VERIFY): New.
        * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
        * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
        * cfgloopmanip.c (split_loop_bb): Don't update dominators.
        (remove_bbs): Don't call remove_bbs.
        (create_preheader): Use make_forwarder_block.
        (mfb_keep_just, mfb_update_loops): New static functions.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.h: Remove target-independent comments about
        target macros.

2004-01-28  Daniel Berlin  <dberlin@dberlin.org>

        * timevar.c (timevar_print): Mention when checking is enabled.

2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * c-lex.c (c_lex): Rename to...
        (c_lex_with_flags): Add new parameter to get CPP flags.
        (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
        * c-pragma.h (c_lex_with_flags): Declare.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (mcore_external_libcall): Add a
        comment.
        (mcore_return_in_memory): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore-protos.h: Remove the prototype for
        mcore_setup_incoming_varargs.
        * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mcore_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.  Add argument second_time.
        (mcore_external_libcall): New.
        (mcore_return_in_memory): Likewise.
        * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_setup_incoming_varargs.
        * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (m32r_return_in_memory): New.
        (m32r_setup_incoming_varargs): Make it static.
        * config/m32r/m32r.h: Remove #undef of
        ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
        definitions of PROMOTE_FUNCTION_ARGS and
        PROMOTE_FUNCTION_RETURN.
        (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (m68k_struct_value_rtx): Likewise.
        * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.
        * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
        * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16.c
        (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
        TARGET_BUILD_BUILTIN_VA_LIST.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (v850_return_in_memory): Likewise.
        (v850_setup_incoming_varargs): Likewise.
        * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
        (fr30_setup_incoming_varargs): Don't use
        STRICT_ARGUMENT_NAMING.
        * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Remove the prototype for
        frv_expand_builtin_saveregs.
        * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (frv_expand_builtin_saveregs): Make it static.
        (frv_struct_value_rtx): New.
        * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-29  Jan Hubicka  <jh@suse.cz>

        PR c++/12850
        * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
        initial pointers.
        * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
        for functions that will be only inlined.
        (cgraph_mark_function_to_output): Likewise.
        (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
        do not clear function body.
        * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
        (tree_rest_of_compilation): Reorganize the logic releasing function
        body to use callgraph datastructure.

2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
        to register_operand.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
        (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
        match_operand expressions so that all match_dups appear
        lexically after their corresponding match_operands.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (WORD_REG_USED): Use
        HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
        (compute_saved_regs): Likewise.
        (h8300_expand_prologue): Likewise.  Allocate locals after
        saving registers.
        (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
        of FRAME_POINTER_REGNUM.  Deallocate locals before saving
        registers.
        (h8300_initial_elimination_offset): Adjust for the new frame
        layout, which swaps flips the order of locals and saved
        registers.
        * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
        (HARD_FRAME_POINTER_REGNUM): New.
        (ELIMINABLE_REGS): Add an elimination rule from
        FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
        (REGISTER_NAMES): Add fp.
        * config/h8300/h8300.md (FP_REG): Change to 11.
        (HFP_REG): New.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (write_node): Remove a useless local variable.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        * Makefile.in (options.c options.h): Use stamp file s-options to
        avoid unnecessary rebuilds.
        (options.o): New target listing dependencies.
        (gtyp-gen.h): Use stamp file s-gtyp-gen.
        (STAGESTUFF): Add s-gtyp-gen.

2004-01-28  Richard Henderson  <rth@redhat.com>

        * ggc.h (ggc_free): Declare.
        * ggc-common.c (ggc_realloc): Use it.
        * ggc-page.c: Remove lots of inline markers.
        (globals): Add free_object_list.
        (ggc_alloc): Tidy.
        (ggc_free, validate_free_objects): New.
        (poison_pages): Provide default.
        (ggc_collect): Call validate_free_objects; emit markers to
        the debug file.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>
            Jim Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
        Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
        scratch pointer.
        (ia64_secondary_reload_class): Delete case GR_REGS.
        * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
        Do not allocate a scratch register.
        (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.

2004-01-28  Jan Hubicka  <jh@suse.cz>

        * gcse.c (bypass_block): Prevent edges to be unified when we are
        about to emit compenstation code.

2004-01-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_expand_builtin): Force second argument of
        the setcwx insn into a register.

2004-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/fp-bit.c (pack_d): When using paired doubles to implement
        a long double, round the high part separately.
        (unpack_d): Fix the case in which the high part is a power of two
        and the low part is a nonzero value of the opposite sign.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (c4x_external_libcall): Likewise.
        (c4x_struct_value_rtx): Likewise.
        * config/c4x/c4x.h: Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
        (STRUCT_VALUE): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-27  Roger Sayle  <roger@eyesopen.com>

        * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
        CONST_INT before using INTVAL.

2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
        * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
        frame if !TARGET_BACKCHAIN.
        * config/s390/s390.md ("allocate_stack"): Use pattern only if
        TARGET_BACKCHAIN.
        * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * ia64.c (ia64_function_arg): When placing HFAs in integer
        registers, do not special case the mode used for complex
        types.  Do not advance int_regs until the current register
        is full.

2004-01-27  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7297
        * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
        slow, unaligned loads and stores while debugging.  Fix formatting.

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
        of computing wmode.
        (restore_stack_nonlocal): Same.

2004-01-27  Devang Patel <dpatel@apple.com>

        * Makefile.in (dwarf2out.o): Depend on input.h
        * dbxout.c (dbx_debug_hooks): Add new empty hook for
        imported_module_or_decl.
        (xcoff_debug_hooks): Same.
        * sdbout.c (sdb_debug_hooks): Same.
        * vmsdbgout.c (vmsdbg_debug_hooks): Same.
        * debug.c (do_nothing_debug_hooks): Same.
        (debug_nothing_tree_tree): New function.
        * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
        * dwarf2out.c: Include input.h.
        (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
        (remove_child_TAG): New function.
        (dwarf_tag_name): Handle DW_TAG_imported_module.
        (gen_subprogram_die): Equate decl number to declaration die. Do not
        remove all children dies while reusing declaration die for definition.
        Instead, selectively remove only formal parameters.
        (gen_variable_die): Equate variable decl to declaration die.
        (gen_field_die): Equate field decl to line number.
        (force_namespace_die): Replace it with ...
        (force_decl_die): ... this.
        (force_type_die): New function.
        (setup_namespace_context): Replace use of force_namespace_die() with
        force_decl_die().
        (gen_namespace_die): Same.
        (dwarf2out_imported_module_or_decl): New function.

2004-01-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
        on CQImode and CHImode incoming arguments in register a7.
        (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
        * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
        * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
        xtensa_copy_incoming_a7 before reload.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * coverage.c (get_coverage_counts): Give a different message
        if flag_guess_branch_prob is set.
        * predict.c (counts_to_freqs): Return an int.
        (estimate_bb_frequencies): If counts_to_freqs returns zero,
        calculate estimates.

2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Remove the prototype for
        iq2000_setup_incoming_varargs.
        * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (iq2000_return_in_memory): Likewise.
        (iq2000_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.
        * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>

        * fixinc/fixinc.c (test_test): Initialize res.
        (start_flexer): Initialize pz_cmd_save.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
        SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        PR 7198
        * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
        (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
        (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
        Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
        Possibly rename pattern for consistency.
        Remove ??? comments suggesting that this be done.
        (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
        New patterns.
        (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
        (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
        (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
        (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
        Update to match.

2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.c (output_return_instruction): Only restore IP
        into SP if frame_pointer_needed.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
        for SCmode and DCmode if ARCH32.
        (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
        * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
        if ARCH32.
        (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
        if ARCH32.
        (BASE_OUTGOING_VALUE_REG): Likewise.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10904
        PR target/13058
        * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
        Forbid mode changes from SImode for lower FP regs if ARCH64.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * Makefile.in (bt-load.o): Depend on except.h.
        * bt-load.c (except.h): #include.
        (compute_defs_uses_and_gen): If insn at end of BB can throw
        within this function, consider registers used by it unavailable for
        btr migration.
        (move_btr_def): If insn at end of BB can throw, insert before rather
        than after.

        * flags.h (flag_btr_bb_exclusive): Declare.
        * toplev.c (flag_btr_bb_exclusive): New variable.
        (f_options): Add btr-bb-exclusive.
        * bt-load.c (augment_live_range): Restore old behaviour if
        flag_btr_bb_exclusive is set.
        * common.opt: Add entry for -fbtr-bb-exclusive.
        * opts.c (common_handle_options): Same.
        * doc/invoke.texi: Document -fbtr-bb-exclusive.

        * bt-load.c (btrs_live_at_end): New variable.
        (compute_defs_uses_and_gen): Compute its pointed-to array.
        (clear_btr_from_live_range, add_btr_to_live_range): Update it.
        (augment_live_range): When augmenting with a new dominator,
        use only its btrs_live_at_end set, but also add in the full set
        of the old dominator.
        (btr_def_live_range): Use btrs_live_at_end.
        (move_btr_def): Set other_btr_uses_before_def, and move new set
        to the end of the basic block, if appropriate.
        (migrate_btr_defs): Allocate and free btrs_live_at_end.

        * bt-load.c (basic_block_freq): Remove outdated comment.

2004-01-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h: Correct target_flags free bits comment.
        (PREDICATE_CODES): Remove duplicate.
        * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
        (MASK_PROFILE_KERNEL): Adjust define.

2004-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
        of long string literals from 32 bytes to sizeof (void *) when !-Os
        and to 1 with -Os.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
        constant addresses in the normal mode.

2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (CHAR_BITFIELD): Delete.
        (BOOL_BITFIELD): New.
        * c-decl.c (c_scope): Use BOOL_BITFIELD.
        * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (arc_return_in_memory): Likewise.
        * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-26  Richard Henderson  <rth@redhat.com>

        * c-parse.in (extension): Use itype.
        (SAVE_EXT_FLAGS): Don't allocate a tree.
        (RESTORE_EXT_FLAGS): Don't read a tree.

2004-01-26  Jan Hubicka  <jh@suse.cz>

        * cselib.c (discard_useless_values):  Clear out value pointer pointing
        to datastructure to be recycled.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * genextract.c (main): Do not output the memset when not checking.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
        switch statement instead of a chain of if statements.

2004-01-26  Jeff Law  <law@redhat.com>

        * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
        acute accents for Petur Runolfsson's entry.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         * config/rs6000/rs6000.c (rs6000_emit_move): split slow
         unaligned load/store into smaller loads and stores.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * function.c (assign_parms): Do not assign
        long long argument to memory in prologue if
        is it loaded into register.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         PR middle-end/13779
         * expr.c (emit_group_load): split constant
         correctly into register components of PARALLEL insn.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
        Use adjust_address_nv directly with appropriate mode.
        (restore_stack_nonlocal): Ditto.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa-protos.h: Remove the prototype for
        xtensa_builtin_saveregs.
        * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (xtensa_builtin_saveregs): Make it static.
        (xtensa_return_in_memory): New.
        * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (arm_setup_incoming_varargs): Likewise.
        * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (cris_setup_incoming_varargs): Likewise.
        * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
        (ns32k_struct_value_rtx): Likewise.
        * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
        NS32K_STRUCT_VALUE_REGNUM.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (arm_struct_value_rtx): Likewise.
        * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_REGNUM): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64-protos.h: Remove the prototype for
        ia64_setup_incoming_varargs and ia64_return_in_memory.
        * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (ia64_setup_incoming_varargs): Adjust the arguments to meet
        the requirement of TARGET_SETUP_INCOMING_VARARGS.
        (ia64_return_in_memory): Make it static.  Change the return
        type to bool from int.  Add an argument.
        (ia64_struct_value_rtx): New.
        * config/ia64/ia64.h: Remove commented-out definitions of
        PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
        PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13666
        * config/sparc/sparc.c (function_arg_union_value): New function.
        (function_arg): Use it to deal with unions.
        (function_value): Likewise.  Define 'regbase' only for ARCH64.
        Replace a conditional statement by a simpler one.

2004-01-26  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips16_optimize_gp): Delete.
        (mips_reorg): Don't call it.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
        (floatunsqihf2): Remove operand 6.
        (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
        fix patterns.
        (ldi_conditional, ldf_conditional): Validate operands.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
        (HAVE_GAS_HIDDEN): Undefine as interim measure.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
        memory references if TARGET_EXPOSE_LDP nonzero.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
        invalid operand combinations.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
        c4x_legitimate_address_p.  Fix post_modify check.

        * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
        * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pa/pa-protos.h: Remove the prototype for
        hppa_builtin_saveregs.  Add a prototype for
        pa_return_in_memory.
        * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (pa_struct_value_rtx): Likewise.
        (pa_return_in_memory): Likewise.
        * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
        PA_STRUCT_VALUE_REGNUM.
        (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
        (EXPAND_BUILTIN_SAVEREGS): Remove.
        (PROMOTE_PROTOTYPES): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (vax_struct_value_rtx): Likewise.
        * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
        VAX_STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.

2003-04-25  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
        and MIPS64 have HI/LO interlocks.  Update comment.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16-protos.h: Remove the prototype for
        xstormy16_setup_incoming_varargs.
        * config/stormy16/stormy16.c
        (xstormy16_setup_incoming_varargs): Remove.
        (xstormy16_return_in_memory): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise
        (PROMOTE_PROTOTYPES): Likewise
        (RETURN_IN_MEMORY): Likewise
        (STRUCT_VALUE): Likewise
        (SETUP_INCOMING_VARARGS): Likewise

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_offset_within_object_p): New function.
        (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
        SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
        ABI has 64-bit pointers and the object file only allows 32-bit symbols.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300-protos.h: Remove the prototype for
        mn10300_builtin_saveregs.
        * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (mn10300_return_in_memory): Likewise.
        (mn10300_builtin_saveregs): Make it static.
        * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        PR bootstrap/13853
        * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
        using ccr.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i860/i860-protos.h: Remove the prototype for
        i860_saveregs.
        * config/i860/i860.c (i860_saveregs): Make it static.
        (i860_struct_value_rtx): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
        I860_STRUCT_VALUE_REGNUM.
        (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (m68hc11_struct_value_rtx): Likewise.
        (m68hc11_return_in_memory): Likewise.
        * config/m68hc11/m68hc11.h: Remove a commented-out definition
        of PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mmix/mmix-protos.h: Remove the prototype for
        mmix_setup_incoming_varargs.
        * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mmix_setup_incoming_varargs): Make it static.
        (mmix_struct_value_rtx): New.
        * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
        Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
        (STRUCT_VALUE_REGNUM): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/mips-protos.h: Remove the prototypes for
        mips_setup_incoming_varargs and mips_return_in_memory.
        * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (mips_setup_incoming_varargs): Match the prototype for
        TARGET_SETUP_INCOMING_VARARGS.
        (mips_return_in_memory): Make it static.  Add argument fntype.
        (mips_strict_argument_naming): New.
        * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
        (PROMOTE_FUNCTION_ARGS): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (ip2k_return_in_memory): Likewise.
        (ip2k_setup_incoming_varargs): Likewise.
        * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (avr_return_in_memory): Remove.
        * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
        (mips_regno_mode_ok_for_base_p): Declare.
        * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
        (FRAME_POINTER_REGNUM): Renumber to 78.
        (FIRST_PSEUDO_REGISTER): Update comment accordingly.
        (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
        (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
        (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
        (REG_MODE_OK_FOR_BASE_P): Likewise.
        * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
        entry for 77 to "$arg" and entry for 78 to "$frame".
        (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
        (mips_reg_mode_ok_for_base_p): Remove.
        (mips_regno_mode_ok_for_base_p): New function, derived from old
        BASE_REG_P macro.  Don't enforce the mips16 stack pointer
        restrictions unless we're being strict.
        (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment typos.
        * c-decl.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * et-forest.c: Likewise.
        * flow.c: Likewise.
        * function.c: Likewise.
        * ifcvt.c: Likewise.
        * integrate.c: Likewise.
        * jump.c: Likewise.
        * postreload.c: Likewise.
        * varray.c: Likewise.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/frontends.texi: Update copyright.
        * doc/gcov.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.

2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        PR target/12978
        * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
        Remove movstrqi_small because it conflicts with movstrqi_large.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (cris_struct_value_rtx): Likewise.
        * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
        (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.

2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>

        PR bootstrap/13848
        * cse.c (cse_cc_succs): Change the mode of the source expression
        as soon as decide we need a new mode.  Don't permit changing modes
        if we found a match in a successor block.
        (cse_condition_code_reg): Save original mode of source expression
        so that we know whether we have to change the mode in other
        insns.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address, adjust_address_1, offset_address,
        widen_memory_access):  Return early when there is nothing to change.

2004-01-24  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_relational_operation): Don't
        simplify address == constant into address + -constant == 0.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Don't internationalize the
        Copyright message.
        * mips-tfile.c (main): Likewise.

2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>

        * cse.c: (cse_cc_succs) Fix comparison warning.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove extraneous USE in expanders.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Provide prototypes for
        h8300_legitimate_constant_p and h8300_legitimate_address_p.
        * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
        (h8300_rtx_ok_for_base_p): Likewise.
        (h8300_legitimate_address_p): Likewise.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
        h8300_legitimate_constant_p.
        (RTX_OK_FOR_BASE_P): Remove.
        (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
        (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Likewise.
        (REG_OK_FOR_BASE_STRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
        (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
        (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
        (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * cselib.c (remove_useless_values):  Do not access discarded values.

2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
        arrays.

2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c: Fix a typo in copyright.

2004-01-23  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.md (call): Fix misappiled patch.
        (call_value): Likewise.

2004-01-23  Richard Henderson  <rth@redhat.com>

        PR opt/12941
        * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
        (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
        if SHIFT_COUNT_TRUNCATED is set.

2004-01-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
        separate real and imaginary parts.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.

2004-01-23  Hartmut Penner <hpenner@de.ibm.com>

        PR target/13674
        * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
        loading into GPR.

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
        change.

        * alloc-pool.c (align_four): Kill.
        (create_alloc_pool): Align size to eight.
        (free_alloc_pool, free_pool): Invalidate deallocated data.

2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>

        PR gcc/1532
        * cse.c (cse_change_cc_mode): New static function.
        (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
        (cse_condition_code_reg): New function.
        * rtl.h (cse_condition_code_reg): Declare.
        * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
        * target.h (struct gcc_target): Add fixed_condition_code_regs and
        cc_modes_compatible.
        * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (TARGET_INITIALIZER): Add new initializers.
        * targhooks.c (default_cc_modes_compatible): New function.
        * targhooks.c (default_cc_modes_compatible): Declare.
        * hooks.c (hook_bool_intp_intp_false): New function.
        * hooks.h (hook_bool_intp_intp_false): Declare.
        * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (ix86_fixed_condition_code_regs): New static function.
        (ix86_cc_modes_compatible): Likewise.
        * doc/tm.texi (Condition Code): Document new hooks.

2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (bad_lval): Renamed to ...
        (alpha_bad_lval): ... this.
        Removed file list.
        Restrict to alpha*-dec-osf*.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/dirent.h: Remove, moving test ...
        * fixinc/tests/base/testing.h: ... here, reflecting new name.

2004-01-23  Zack Weinberg  <zack@codesourcery.com>

        PR c/13814
        * c-decl.c (diagnose_mismatched_decls): Also discard a
        built-in if we encounter an old-style definition with the
        same name.

2004-01-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
        set to default{32,64}.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
        [!__powerpc64__]: Corrected to handle kernels with changed ucontext.

2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
            Olivier Hainque  <hainque@act-europe.fr>

        * fold-const.c (fold_binary_op_with_conditional_arg): Only
        build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
        size for minipool references.

2004-01-23  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_floor, real_ceil): Tweak to allow input and output
        arguments to overlap.
        (real_round): New function to implement round(3m) semantics.
        * real.h (real_round): Prototype here.
        * builtins.c (fold_builtin_round): New function to constant fold
        round, roundf and roundl.
        (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.

2004-01-23  Alexandre Oliva  <aoliva@redhat.com>

        PR optimization/13819
        * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
        introduced by 2004-01-20's Jan Hubicka's copy_insn change.
        (sh_handle_sp_switch_attribute): Remove warning.

2003-11-30  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.

2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>

        * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
        may or may not return non-NIL.
        * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
        check CANNOT_CHANGE_MODE_CLASS

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (PROP_POSTRELOAD): New macro.
        (CLEANUP_LOG_LINKS): New.
        * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
        * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.

        * cselib.c (value_pool): New.
        (new_cselib_val): Use pool.
        (cselib_init): Initialize value_pool
        (cselib_finish): Free pool.

2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (scan_record_type): New function.
        (function_arg_slotno): Use it to determine which kinds of
        registers the record can be passed in.

2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>

        * config/pa/fptr.c: Fix old-style definition.

2004-01-22  Paolo Bonzini  <bonzini@gnu.org>

        PR optimization/13724
        * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
        represents the zero bits produced by a ZERO_EXTEND operation.

2004-01-22  Roger Sayle  <roger@eyesopen.com>

        PR optimization/13821
        * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
        correctly calculate the lowpart offset of the contracted subreg.

2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/invoke.texi (Optimize Options): Note that --param arguments
        are subject to change without notice.

2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix6*o32): Removed.
        * config/mips/iris6-o32-as.h: Likewise.
        * config/mips/iris6-o32-gas.h: Likewise.
        * config/mips/iris6-o32.h: Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (first_pass): New static variable.
        (try_forward_edges):  Add work limiting check for threading.
        (try_crossjump_bb):  Add work limiting check for crossjumping.
        (try_optimize_cfg):  Maintain first pass variable.

2004-01-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
        handles complex and vector modes.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
        (REG_OK_FOR_BASE_P_STRICT): Likewise.
        (STRICT): Likewise.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
        (genrtl_for_stmt): Remove emit_nop calls.

2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/13713
        PR target/13324
        * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
        movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
        clrstrdi_prereload, clrstrdi_postreload): Fix constraints.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c: Include "debug.h".
        (thumb_pushpop): Take two new arguments.  Add some commentary.
        Output frame information when pushing.
        (thumb_exit, thumb_unexpanded_epilogue): Update calls to
        thumb_pushpop.
        (thumb_output_function_prologue): Likewise.  Accumulate a CFA
        offset, and pass it to thumb_pushpop.  Output CFI information.
        (thumb_expand_prologue): Add some frame-related markers and notes.

2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_frame_info): Allow large frame sizes
        for TARGET_64BIT.
        (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
        * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.

2004-01-22  Roger Sayle  <roger@eyesopen.com>
            Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
        (subreg_lsb): Change to call new subreg_lsb_1 helper function.
        * rtl.h (subreg_lsb_1): Prototype here.
        * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
        sign extensions.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
        macro need not be defined if jump-tables should contain
        relative addresses only when -fPIC or -fPIC is in effect.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * alias.c (reg_base_value): Turn into varray.
        (reg_base_value_size): Kill.
        (old_reg_base_value): New deletable varray.
        (alias_invariant_size): New variable.
        (REG_BASE_VALUE): Update to use varray.
        (find_base_value): Likewise.
        (record_set): Likewise.
        (record_base_value): Likewise.
        (memrefs_conflict_p): Likewise.
        (record_set): Likewise
        (record_base_value): Likewise.
        (memrefs_conflict_p): Use alias_invariant_size.
        (init_alias_analysis): Use varray; set alias_invariant_size;
        rescale other arrays to be sized by maxreg.
        (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Use
        FLOAT_TYPE_P to detect FP fields in structures.
        (function_arg_record_value_1): Likewise.
        (function_arg_record_value_2): Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * function.c (allocate_struct_function): Do not initialize expr, emit
        and varasm.
        (prepare_function_start): Do it here.
        * c-parse.in (maybe_type_qual): Do not produce line number notes.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13559
        * config/sparc/sparc.c (function_arg_record_value_3): Revert
        to 'word_mode' once the first slot has been filled.

2004-01-22  Olivier Hainque  <hainque@act-europe.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): Fix
        computation of the number of integer registers required.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Simplify certain comparisons of
        const_int.

2004-01-21  Andrew Pinski  <apinski@apple.com>

        PR target/13785
        * config/rs6000/rs6000.md (call_value): Force operand
        1 not operand 0 into a register.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
        unwind-dw2-fde.h: Update copyright.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h: Update copyright.
        * pa.h: Likewise.
        * pa.md: Likewise.

2004-01-21  Caroline Tice  <ctice@apple.com>

        PR target/12308
        * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
        flags register.
        (fix_truncdfdi2): Likewise.
        (fix_truncsfdi2): Likewise.
        (*fix_truncdi_1): Likewise.
        (fix_truncxfsi2): Likewise.
        (fix_truncdfsi2): Likewise.
        (fix_truncsfsi2): Likewise.
        (*fix_truncsi_1): Likewise.
        (fix_truncxfhi2): Likewise.
        (fix_truncdfhi2): Likewise.
        (fix_truncsfhi2): Likewise.
        (*fix_trunchi_1): Likewise.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, basic-block.h, c-common.c, c-common.h,
        c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
        calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
        combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
        cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
        defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
        expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
        genautomata.c, genconditions.c, genemit.c, genflags.c,
        gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
        ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
        langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
        line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
        ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
        rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
        target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
        unwind.h, varray.c, varray.h: Update copyright.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Update copyright.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
        ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
        ultrix_unistd): New hacks.
        * fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
        ULTRIX_CONST2_CHECK): Add checks.
        * fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
        * fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
        * fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
        * fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
        * fixinc/tests/base/locale.h: New file.
        * fixinc/fixincl.x: Rebuilt.

2004-01-21  Andreas Jaeger  <aj@suse.de>
            Michael Matz  <matz@suse.de>

        * doc/extend.texi (Extended Asm): Clarify memory clobber.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * crtstuff.c (frame_dummy, __do_global_ctors_1): Call
        _Jv_RegisterClasses through a function pointer.

2004-01-21  Falk Hueffner  <falk@debian.org>

        PR target/12898
        * config/alpha/alpha.c (alpha_emit_set_const_1): If
        no_new_pseudos, use gen_rtx_SET directly for SImode constants
        which need multiple instructions to emit.

2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (CPP_SPEC): Define.

2004-01-21  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (merge_decls): Kill different_binding_level and
        different_tu arguments; simplify throughout.
        (duplicate_decls): Likewise.
        (pushdecl, merge_translation_unit_decls): Update calls to
        duplicate_decls.

2004-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (pretty-print.o): Depend on $(CONFIG_H) and
        $(SYSTEM_H).
        (print-rtl1.o): Depend on $(SYSTEM_H).

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12730
        * configure.ac: Delete definition and subsitution of docdir.
        Add info, man, srcman and srcinfo to target hooks. Create doc/
        directory.
        * configure: Regenerate.
        * Makefile.in: Don't substitute docdir and delete all references
        throughout.
        (MAKEINFOFLAGS): Define.
        (stmp-docobjdir): Delete.
        (INFOFILES, MANFILES): Define.
        (info): Call lang.info, srcinfo and lang.srcinfo.
        (generated-manpages): Call lang.man, srcman and lang.srcman.
        (srcinfo, srcman): New rules to copy back files to source directory.
        (doc/%.info, doc/%.dvi, doc/%.1, doc/%.7): New implict rule.
        (install-man): Revamp rule.
        (clean): Update dvi directory.
        (distclean): Delete TAGS from front end directorys.
        (maintainer-clean): Delete all document files in source directory.

        objc/Make-lang.in (objc.man, objc.info): Dummy entries.
        (objc.srcman, objc.srcinfo): Likewise.

2004-01-20  Bruce Korb  <bkorb@gnu.org>

        * fixinc/inclhack.def(math_exception): bypass only for glibc.
        (matherr_decl): rename & relocate as exception_structure.
        This fix must precede the math_exception fix.

2004-01-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_convert): Rename to fold_convert_const.
        (fold_convert_const): Change arguments to take a tree_code,
        a type and the operand/expression to be converted.  Return
        NULL_TREE if no simplification is possible.  Add support for
        FIX_CEIL_EXPR and FIX_FLOOR_EXPR in addition to FIX_TRUNC_EXPR.
        (fold): Handle FIX_CEIL_EXPR and FIX_FLOOR_EXPR.
        Adjust call to fold_convert to match new fold_convert_const.
        Avoid modifying the tree passed to fold in-place.

2004-01-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (DWARF2_FRAME_REG_OUT): Define.
        * dwarf2out.c (output_cfi): Map regs using DWARF2_FRAME_REG_OUT.
        * doc/tm.texi (DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Document.

2004-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h (compute_frame_size): Use HOST_WIDE_INT for frame sizes.
        * pa.c (store_reg, store_reg_modify, load_reg, set_reg_plus_d):
        Likewise.  Handle frames larger than 0x7fffffff on 64-bit ports.
        (emit_move_sequence): Check scratch_reg first in various if statements.
        Extend source simplification to handle all 64-bit CONST_INTs.
        (pa_output_function_prologue): Use HOST_WIDE_INT_PRINT_DEC for printing
        frame size.
        (hppa_expand_prologue, hppa_expand_epilogue): Use HOST_WIDE_INT for
        frame offset calculations.
        * pa.h (NEW_HP_ASSEMBLER): Add comment.
        (MAX_LEGIT_64BIT_CONST_INT, MIN_LEGIT_64BIT_CONST_INT,
        LEGITIMATE_64BIT_CONST_INT_P): Define.
        (LEGITIMATE_CONSTANT_P): Use LEGITIMATE_64BIT_CONST_INT_P.  Treat
        any CONST_INT as legitimate during and after reload.
        (VAL_32_BITS_P, INT_32_BITS): Define.
        (LEGITIMIZE_RELOAD_ADDRESS): Handle large frame offsets.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (verify_rtx_sharing, copy_insn_1,
        emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
        containing hard regs are shared.
        (gen_hard_reg_clobber): New function.
        (hard_reg_clobbers): New array.
        * genemit.c (gen_exp): Use gen_hard_reg_clobber.
        (copy_rtx): Do not copy clobbers containing hard regs.
        * rtl.h (gen_hard_reg_clobber): Declare.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * varray.c:  Include hashtab.h
        (varray_descriptor): New structure.
        (hash_descriptor, eq_descriptor, varray_descriptor,
        print_statistics): New static functions
        (varray_init, varray_grow): Update statistics
        (dump_varray_statistics): New function.
        * varray.h (dump_varray_statistics): Declare.
        * toplev.c (finalize): Call it.
        * Makefile.in (varray.o): Add dependency.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * cselib.c: Include alloc-pool.h
        (empty_vals, empty_elt_lists, empty_elt_loc_lists): Kill.
        (elt_loc_list_pool, elt_list_pool, cselib_val_pool): Declare.
        (new_elt_list, new_elt_loc_list, unchain_one_elt_list,
        unchain_one_elt_loc_list_pool, unchain_one_value,
        new_cselib_val): Simplify using allocpool.
        (cselib_init): Initialize allocpools.
        (cselib_finish): Finish allocpools.
        * Makefile.in (cselib.o): Depend on alloc-pool.h

2004-01-20  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_load_call_address): Make the call insn
        use $gp if it could be calling a lazy binding stub.

2004-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/s390/s390.c (TARGET_PROMOTE_FUNCTION_ARGS): Define.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/s390/s390.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Remove.
        (STRUCT_VALUE): Remove.

2004-01-20  Denis Chertykov  <denisc@overta.ru>

        PR bootstrap/13735
        * config/avr/avr.h (BASE_REG_CLASS): Don't permit to use X
        register as pointer after reload.

2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/12440
        * loop.c: Include ggc.h.
        (loop_optimize): Run garbage collector between optimization of loops.
        * Makefile.in (loop.o): Add GGC_H dependency.

2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (function_arg) Handle
        vector register special in function without prototype.
        (function_arg_advance): Vector parameters get always
        GPRs allocated for the linux64 target.

2004-01-20  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_M32R2). Test for TARGET_M32R2_MASK
        not TARGET_M32RX_MASK.

2004-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13557
        * config/sparc/sparc.c (function_arg): Reorder the cases.

2004-01-19  Per Bothner  <per@bothner.com>

        Move cpp_reader's line_maps field to a shared global.
        * cpphash.h (cpp_reader):  Rename line_maps field to line_table
        and change the type to a pointer rather than a struct.
        * cppinit.c (cpp_push_main_field):  Adjust accordingly.
        * cpplib.c (do_include_common, _cpp_do_file_change, cpp_get_callbacks):
        Likewise.
        * cppfiles.c (validate_pch):  Likewise.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_builtin_macro_text):
        Likewise.
        * cpperror.c (print_location):  Likewise.
        * cpplib.h (cpp_create_reader):  New line_maps pointer parameter.
        * cppinit.c (cpp_create_reader):  Handle new parameter.
        (cpp_destroy):  Don't free line_maps - that's no longer our job.
        * input.h (line_table):  New variable.
        * toplev.c (line_table):  Declare variable.
        (general_init):  Initialize line_table.
        * c-opts.c (c_common_init_options):  Pass line_table to
        cpp_create_reader.
        * fix-header.c (read_scan_file):  New local variable line_table.
        Initialize, and pass it to cpp_create_reader.
        * Makefile.in (LIBS, LIBDEPS):  Add libcpp.a.
        (C_AND_OBJC_OBJS, fix-header):  Remove redundant libcpp.a.

2004-01-19  Per Bothner  <per@bothner.com>

        Implement a cache for linemap_lookup.
        * line-map.h (struct_line_maps):  Add cache field.
        * line-map.c (linemap_init):  Zero cache field.
        (linemap_add):  Set cache field to offset of newly allocated map.
        (linemap_lookup):  Use and set cache field.

2004-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR optimization/13567
        * cse.c (cse_basic_block): Call cse_insn with a non-null
        libcall_insn for the last SET insn of a no-confilict block.

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (target_noncanonical, program_transform_name): Use
        immediate define instead of deferred.
        (GCC_INSTALL_NAME, GCC_TARGET_INSTALL_NAME, CPP_INSTALL_NAME,
        PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
        GCCBUG_INSTALL_NAME): Define via a immediate $(shell) instead of
        deferred backquote.

2004-01-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (c_init_decl_processing): Set pedantic_lvalues to
        true unconditionally.
        * c-typeck.c (unary_complex_lvalue, pedantic_lvalue_warning):
        Remove.
        (build_unary_op, build_modify_expr): Don't handle extended
        lvalues.
        (build_component_ref, build_conditional_expr): Call non_lvalue
        instead of pedantic_non_lvalue.
        (build_c_cast): Don't condition use of non_lvalue on pedantic.
        * fold-const.c (fold): Don't check pedantic directly for
        COMPOUND_EXPR.  Ensure that results for COMPOUND_EXPR are
        passed to pedantic_non_lvalue.
        * doc/extend.texi: Remove documentation of extended lvalues.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        PR optimization/5263
        * simplify-rtx.c (associative_constant_p): Delete.
        (simplify_associative_operation): Rewrite to linearize terms, and
        attempt to simplify new term against both left and right subterms.
        (simplify_binary_operation): Call swap_commutative_operands_p on
        op0 and op1, not trueop0 and trueop1.  Move the initialization of
        trueop0 and trueop1 down to where first needed.
        (simplify_relational_operation): Likewise.
        * rtlanal.c (commutative_operand_precedence): Also order constant
        operands using avoid_constant_pool_reference.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (aligned_memory_operand): Check MEM_ALIGN,
        don't check memory mode.
        (unaligned_memory_operand): Likewise.
        (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Don't
        abort for op0 not MEM.

        * config/alpha/alpha.c (alpha_expand_mov_nobwx): If the destination
        is not a reg, copy to a scratch first.
        (aligned_loadqi, aligned_loadhi, unaligned_loadqi, unaligned_loadhi,
        unaligned_loadqi_le, unaligned_loadqi_be, unaligned_loadhi_le,
        unaligned_loadhi_be): Expect op0 in DImode; don't SUBREG.
        (reload_inqi, reload_inhi): Fix mode of op0.
        (reload_inqi_help, reload_inhi_help, reload_outqi_help,
        reload_outhi_help): Likewise.  Use define_insn_and_split.

        * config/alpha/alpha.md (call peepholes): Check for REG_NORETURN
        as well as $29 dead.

2004-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): New.  Emit
        "tls_object" for thread-local objects.
        * config/sparc/sparc.c (sparc_elf_asm_named_section): Emit
        "#tls" for thread-local sections.
        * configure.ac (thread-local checks): Specify --fatal-warnings in
        every binutils-specific checks.  For sparc*-*-*, test whether the
        OS is Solaris and the tools are native and act accordingly.
        * configure: Rebuild.

2004-01-19  Jeff Law  <law@redhat.com>

        * contrib.texi: Update Paolo Carlini's entry.  New entries for
        Jerry Quinn and Petur Runolfsson.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (*movhi_1, *movqi_1): When optimizing for
        size, don't use the larger zero-extending loads.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
        * alpha.md (UNSPEC_NT_LDA): Remove.
        (UNSPEC_CVTLQ, cvtlq): New.
        (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
        (extendsidi2_fix): Remove.
        (extendsidi2 splitter): Use cvtlq.
        (extendsidi2 fp peepholes): Remove.
        (cvtql): Use SFmode instead of SImode.
        (fix_trunc?fsi): Update to match.
        (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
        (movsi): Rename from movsi_nofix, remove f alternatives.
        (movsi_nt_vms): Similarly.
        (movsi_fix, movsi_nt_vms_fix): Remove.
        (nt_lda): Remove.
        * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.

2004-01-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Fix removal from linked list.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Clear next_needed
        list.
        (cgraph_remove_unreachable_nodes): New function
        (cgraph_decide_inlining_of_small_function): Fix pasto.
        (cgraph_decide_inlining_incrementally): Fix pasto.
        (cgrpah_decide_inlining): Likewise; remove unreachable nodes.

2004-01-19  Steven Bosscher  <stevenb@suse.de>

        * gengtype.c (header_file): Make it static.
        (write_types_process_field, write_enum_defn): Minor whitespace fixes.
        * gengtype.h (header_file): No longer extern.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (CASE_VECTOR_PC_RELATIVE): Provide the default.
        * expr.c (CASE_VECTOR_PC_RELATIVE): Remove.
        * stmt.c (CASE_VECTOR_PC_RELATIVE): Likewise.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (HAVE_casesi): Define it not already defined.
        (HAVE_tablejump): Likewise.
        (expand_end_case_type): Resort to the binary tree method if
        neither casesi or tablejump is available.

2004-01-18  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (final_scan_insn): Make non-static again.
        * output.h (final_scan_insn): Re-add prototype.
        * config/arc/arc.c (arc_output_function_epilogue): Add NULL
        to final_scan_insn call.
        * config/cris/cris.c (cris_target_asm_function_epilogue): Likewise.
        * config/mips/mips.c (mips_output_conditional_branch): Likewise.
        * config/pa/pa.c (output_lbranch, output_call): Likewise.
        * config/sh/sh.c (print_slot): Likewise.
        * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Likewise.
        (output_sibcall, sparc_flat_function_epilogue): Likewise.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (try_redirect_by_replacing_jump): Declare.
        * cfgcleanup.c (try_optimize_cfg): Use it.
        * cfgrtl.c (try_redirect_by_replacing_jump): Export.
        (rtl_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch):
        Kill hack.
        (cfg_layout_merge_blocks): Use try_redirect_by_replacing_jump.

        Revert:
        2004-01-16  Geoffrey Keating  <geoffk@apple.com>

                * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
                even after reload, just don't remove the actual jump tables.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/rs6000.h (STRICT_ARGUMENT_NAMING): Remove.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Fix the computation of
        the size of a pointer in bytes.

2004-01-18  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix thinko of reusing
        live "next" variable, which could lead to an infinite loop.

2004-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/altivec.h: Wrap C++ functions in extern "C++"
        block.

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Check for NULL in the chain and remove repeated code.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * coverage.c (checksum_string): Rename to ...
        (coverage_checksum_string): ... this one, Use crc32_string; recognize
        names containing random number and zero the number out in order to get
        match.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_got_alias_set): Mark for PCH.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi,
        doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi,
        doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi,
        doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi,
        doc/trouble.texi: Remove trailing whitespace.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7618
        * config/mips/mips.c: Include cfglayout.h.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (mips_unspec_offset_high): Add temporary register argument.
        (mips_load_call_address): New function, split out from...
        (mips_expand_call): ...here.
        (mips_output_cplocal): New function.
        (mips_output_function_prologue, mips_output_function_epilogue): Use it.
        (mips_emit_loadgp): New function, split out from...
        (mips_expand_prologue): ...here.
        (mips_output_mi_thunk): New function.

2004-01-17  Bernardo Innocenti  <bernie@develer.com>

        * longlong.h (mc68020, __mc68030__, mc68030, __mc68040__, mc68040,
        mcpu32): Remove redundant checks for implied target predefines.

2004-1-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Return type is unsigned int not int.
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Likewise.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/cppenv.texi, doc/extend.texi,
        doc/install.texi, doc/invoke.texi, doc/tm.texi: Consistently use
        "GNU/Linux" and "Microsoft Windows" terminology.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/compat.texi, doc/cpp.texi,
        doc/cppopts.texi, doc/extend.texi, doc/install.texi,
        doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi,
        doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use
        @smallexample instead of @example.

2004-01-17  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_objc_method_call): Use target
        hooks instead of macros to determine if ..._stret
        dispatchers should be used (NeXT runtime only).

2004-01-17  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix mistake in my
        last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)
        (emit_call_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): New
        macros.
        * reload1.c (emit_reload_insns): Use them.
        * emit-rtl.c (emit_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): Check
        for NULL PATTERN.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
        (final_scan_insn): Update to take an additional SEEN argument.  Emit
        a line note after the prologue.  Make static.
        (line_note_exists): Remove.
        (final): Don't initialize line_note_exists.  Update call to
        final_scan_insn.
        * output.h (final_scan_insn): Remove prologue.
        * function.c (set_insn_locators): Update comment.
        (thread_prologue_and_epilogue_insns): Add a comment.

2004-01-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/10781
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Prototype.
        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        New function.
        * config/rs6000/linux64.h (ROUND_TYPE_ALIGN): Use it.
        * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Likewise.
        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Likewise.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_handle_reorder_blocks): Fix pasto in previous
        commit.

        * toplev.c (HAVE_conditional_execution): Provide default.
        (rest_of_handle_reorder_blocks): For conditional_execution target
        update liveness once after all transformations
        (rest_of_compilation): Do crossjumping before ce3.

2004-01-17  Geoffrey Keating  <geoffk@apple.com>

        * alias.c (new_alias_set): Mark last_alias_set for PCH.
        (get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it
        for PCH.
        (get_frame_alias_set): Likewise, except rename it to 'frame_set'.
        * config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH.
        (get_TOC_alias_set): Mark 'set' for PCH.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
        even after reload, just don't remove the actual jump tables.

2004-01-17  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Renamed from is_ada_subrange_type().
        Remove checks for is_ada() and TREE_UNSIGNED.
        (subrange_type_die): Emit a byte_size attribute if the subrange
        type size is different from the base type size.
        (modified_type_die): Replace call to is_ada_subrange_type() by
        call to is_subrange_type().

2004-01-16  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/sh/sh.c: Include ggc.h.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (MD5_H): New.
        (fold-const.o): Depend on md5.h.
        (dwarf2out.o): Likewise.
        (cppfiles.o): Likewise.
        * cppfiles.c: Include md5.h.
        (should_stack_file): Check against list read from PCH file.
        (struct pchf_data): New.
        (pchf): New variable.
        (struct pchf_adder_info): New.
        (pchf_adder): New.
        (pchf_save_compare): New.
        (_cpp_save_file_entries): New.
        (_cpp_read_file_entries): New.
        (struct pchf_compare_data): New.
        (pchf_compare): New.
        (check_file_against_entries): New.
        * cpphash.h (_cpp_save_file_entries): Prototype.
        (_cpp_read_file_entries): Prototype.
        * cpppch.c (cpp_write_pch_state): Write the list of headers.
        (cpp_read_state): Read the list of headers.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
        builtin_expect specially.
        * params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
        (PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
        * invoke.texi (max-inline-insns-single): Set to 100.
        (large-function-insns): Set to 3000.

2004-01-16  Eric Christopher  <echristo@redhat.com>
            Chandrakala Chavva <cchavva@redhat.com>

        * cppcharset.c (one_iso88591_to_utf8): New function.
        (convert_iso88591_utf8): Ditto. Use.
        (conversion_tab): Use.
        (_cpp_input_to_utf8): New function.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        * cpphash.h: Prototype new functions.
        (cpp_buffer): Add input_cset_desc.
        * cppinit.c: Add input_charset default.
        * cpplib.c (cpp_push_buffer): Support init and
        close of iconv.
        * cpplib.h (cpp_options): Add input_charset.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_SECTION_NAME): Poison.
        * config/alpha/unicosmk.h: Remove a commented-out definition
        of ASM_OUTPUT_SECTION_NAME.
        * config/stormy16/stormy16.h: Likewise.

2004-01-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha___extern_prefix): Renamed to ...
        (alpha___extern_prefix_sys_stat): ... this.
        Apply to <sys/mount.h>, too.
        Tweak to match more variations.
        * fixinc/tests/base/sys/stat.h: Adapt for new hackname.

        * fixinc/inclhack.def (alpha___extern_prefix,
        alpha___extern_prefix_standards): New hacks to obey
        __PRAGMA_EXTERN_PREFIX.
        * fixinc/tests/base/testing.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        test.
        * fixinc/tests/base/standards.h: Likewise.

        * fixincl/inclhack.def (alpha_pthread): Tweak to match more
        variations.
        New testcase.
        * fixinc/tests/base/pthread.h: Handle it.

        * fixincl/inclhack.def (bad_lval): Sort file list.
        Add many missing files up to Tru64 UNIX V5.1B.
        * gcc/fixinc/tests/base/libgen.h: Renamed to ...
        * gcc/fixinc/tests/base/dirent.h: ... this to match new file list
        order.

        * fixinc/fixincl.x: Regenerate.

2004-01-16  Mark Mitchell  <mark@codesourcery.com>

        * version.c (version_string): Change to 3.5.0.
        * doc/include/gcc-common.texi (version-GCC): Likewise.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        * i386.md (load_tp_di): Fix pasto.

        PR opt/13608
        * i386.c (ix86_compute_frame_layout): Fix for alloca on leaf function.

        * c-pretty-print.c (pp_c_type_cast, pp_c_abstract_declarator,
        pp_c_character_constant, pp_c_floating_constant,
        pp_c_additive_expression, pp_c_shift_expression,
        pp_c_equality_expression, pp_c_and_expression,
        pp_c_exclusive_or_expression, pp_c_inclusive_or_expression,
        pp_c_logical_and_expression): Remove inline modifier.
        * dwarf2out.c (get_AT): Likewise.
        * et-forest.c (et_splay): Likewise.
        * ra.h (ra_alloc, ra_calloc): Likewise

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Fix comment formatting.
        * config/frv/frv.c: Likewise.
        * config/frv/frv.h: Likewise.
        * config/frv/frv.md: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Poison.
        * doc/tm.texi (PREFERRED_DEBUGGING_TYPE): Don't mention
        LINKER_DOES_NOT_WORK_WITH_DWARF2.
        (LINKER_DOES_NOT_WORK_WITH_DWARF2): Remove.

2004-01-16  J"orn Rennecke <joern.rennecke@superh.com>

        PR 11864
        * postreload.c (reload_cse_simplify_operands): Don't remove
        implicit extension from LOAD_EXTEND_OP.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        PR opt/11350
        * cfgcleanup.c (try_optimize_cfg): Suppress tablejump removal
        after reload.
        * cfgrtl.c (rtl_can_merge_blocks, cfglayout_can_merge_blocks,
        rtl_try_redirect_by_replacing_branch): Likewise.

2004-01-15  Geoffrey Keating  <geoffk@apple.com>

        PR pch/13689
        * alias.c (struct alias_set_entry): Mark for GC.
        (alias_sets): Make static, mark for GC.
        (record_alias_subset): Use GC to allocate alias structures.
        * varray.c (element): Make generic varrays GCed.

        PR pch/13361
        * c-typeck.c (constructor_asmspec): Delete.
        (struct initializer_stack): Delete field 'asmspec'.
        (start_init): Delete saving of asmspec.
        (finish_init): Don't update constructor_asmspec.
        * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
        * stmt.c (expand_asm): Duplicate strings from tree.
        (expand_asm_operands): Likewise.
        * tree.c (tree_size): Update computation of size of STRING_CST.
        (make_node): Don't make STRING_CST nodes.
        (build_string): Allocate string with tree node.
        * tree.def (STRING_CST): Update comment.
        * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
        (tree_string): Place contents of string in tree node.
        * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
        from tree.

        * config/rs6000/rs6000.c (rs6000_va_arg): No need to special-case
        altivec operands.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment formatting.
        * c-cppbuiltin.c: Likewise.
        * c-pragma.c: Likewise.
        * calls.c: Likewise.
        * collect2.c: Likewise.
        * cppcharset.c: Likewise.
        * cpptrad.c: Likewise.
        * dbxout.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2out.c: Likewise.
        * fold-const.c: Likewise.
        * genautomata.c: Likewise.
        * genconditions.c: Likewise.
        * genflags.c: Likewise.
        * gengtype.c: Likewise.
        * integrate.c: Likewise.
        * loop.c: Likewise.
        * predict.c: Likewise.
        * sdbout.c: Likewise.

2004-01-15  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (*movti_internal): C output template
        extracted to ia64.c.
        (*movti_internal_reg): Delete.
        (reload_inti, reload_outti): Use the correct mode on operand 2
        in the first place, don't fix it up in the output template.
        (movtf, reload_ointf, reload_outtf): New expanders.
        (*movtf_internal): New define_insn_and_split.
        * config/ia64/ia64.c (ia64_split_timode): Rename to ia64_split_tmode;
        make static; do not hand TFmode CONST_DOUBLEs to split_double.
        (ia64_split_tmode_move): New function, body mostly pulled
        from ia64.md:*movti_internal.
        (ia64_function_arg_words): New function, extracted common
        logic from ia64_function_arg et seq.
        (ia64_function_arg_offset): Likewise.  Handle correctly the
        case of a scalar quantity 16 bytes wide with only 8-byte alignment.
        (ia64_function_arg, ia64_function_arg_partial_nregs)
        (ia64_function_arg_advance): Use ia64_function_arg_words and
        ia64_function_arg_offset.
        (ia64_function_value): TCmode does not go in float regs.
        (ia64_secondary_reload_class): Also handle TFmode.
        * config/ia64/ia64-protos.h: Remove prototype for
        ia64_split_timode; add prototype for ia64_split_tmode_move.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (MAINT): Make it an immediate assignment.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove useless calls to gen_lowpart.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Replace Hitachi with Renesas.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2004-01-15  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.c (uses_TOC): Wrap #if TARGET_ELF
        around it.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_return_in_memory): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/h8300/h8300.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/13375
        * gcse.c (handle_avail_expr): Just return if the source is not a
        single set.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
            Daniel Jacobowitz  <drow@mvista.com>

        * arm/lib1funcs.asm (ARM_FUNC_START): Correct interworking case.
        (EQUIV): Define.
        (ARM_FUNC_ALIAS): New macro.
        * arm/ieee754-df.S (gedf2, ledf2, nedf2, eqdf2): Use it.
        * arm/ieee754-sf.S (gesf2, lesf2, nesf2, eqsf2): Use it.

2004-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12372
        * calls.c (expand_call): Add call_fusage data for stack arguments in
        constant calls.

2004-01-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (uses_TOC): Correct comment.  Make static.
        (rs6000_elf_declare_function_name): Formatting.
        * config/rs6000/rs6000-protos.h (uses_TOC): Remove declaration.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/13692
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Fix thinko in
        previous patch.

2004-01-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (REG_ALLOC_ORDER): Reorder fp regs after
        integer regs of the same call-savedness.

2004-01-15  Andreas Schwab  <schwab@suse.de>

        PR bootstrap/13562
        * config/m68k/m68k.c (output_move_const_into_data_reg): Clear cc
        status for NOTB/NOTW/NEGW methods.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Update dump file names.  Fix a typo.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_builtin_va_end): Don't use
        EXPAND_BUILTIN_VA_END.
        * system.h (EXPAND_BUILTIN_VA_END): Poison.
        * config/d30v/d30v.h: Remove a commented-out definition of
        EXPAND_BUILTIN_VA_END.
        * config/stormy16/stormy16.h: Likewise.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (STRUCT_VALUE_INCOMING_REGNUM): Poison.
        * targhooks.c (default_struct_value_rtx): Don't use
        STRUCT_VALUE_INCOMING_REGNUM.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12744
        * configure.in: Revamp enable-generated-files-in-srcdir rule to define
        GENINSRC and not parsedir.  Define srcextra as a langhook.
        * configure: Regenerate.
        * Makefile.in: Suppress default .l.c rule.  Don't substitute
        parsedir and delete all references throughout.  Conditionally define
        rule for srcextra dependent on GENINSRC.
        (stmp-docobjdir): Delete.
        (c-parse.o, gengtype-lex.o, gengtype-yacc.o): Use implicit build rule.
        (srcextra): Copy c-parse.y, c-parse.c, gengtype-lex.c, gengtype-yacc.c,
        and gengtype-yacc.h back to source directory.
        (maintainer-clean): Delete all parse files in source directory.
        (distclean): Delete generated files.

        * objc/Make-lang.in (objc-parse.o): Use implicit build rule.
        (objc-parse.c, objc-parse.y): Don't use parsedir.
        (objc.srcextra): Copy objc-parse.y and objc-parse.c back to source
        directory if requested.
        (po-generated): Don't use parsedir.
        (objc.maintainer-clean): Delete above files from source directory.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (FUNCTION_VALUE): Fix a typo.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Replace RETURN_IN_MEMORY with
        TARGET_RETURN_IN_MEMORY.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        * builtins.c (std_expand_builtin_va_arg): Align operand when needed.
        * i386.c (init_cumulative_args): Set warn_sse; fix handling of variadic
        functions accepting SSE arguments
        (function_arg): Warn only when asked to warn.
        * i386.h (ix86_args): Add warn_sse/warn_mmx fiels.

2004-01-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (stmts_and_decls): Make label at end of compound
        statement a hard error.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (create_edge): Use local.redefined_extern_inline.
        * cgraph.h (cgraph_local_info): Sort fields by size; add
        redefined_extern_inline
        (cgraph_global_info): Sort fields by size.
        (cgraph_node): Likewise.
        * cgraphunit.c (cgraph_finalize_function): Se
        local.redefined_extern_inline on redefinition.
        (cgraph_analyze_function): Use it; fix formating.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        PR c++/10776
        * sched-deps.c (trye_dependency_cache, anti_dependency_cache,
        outptu_dependency_cache, forward_dependency_cahe): Trun to vectors of
        bitmaps
        (cache_size): New variable
        (add_dependence): Update use; canonize early memory locations
        (sched_analyze_1): Likewise.
        (sched_analyze_2): Likewise.
        (init_dependency_caches): Initialize bitmaps.
        (free_dependency_caches): Free bitmaps

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Replace STRICT_ARGUMENT_NAMING in comments with
        targetm.calls.strict_argument_naming().
        * target.h: Likewise.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR debug/13231
        * dwarf2out.c (dwarf2out_stack_adjust): Skip prologue and epilogue
        instructions.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR c++/12491
        * except.c (struct eh_region): Add u.fixup.resolved.
        (resolve_one_fixup_region): Split out from ...
        (resolve_fixup_regions): ... here.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (STRUCT_VALUE): Change to 0.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.h (STRUCT_VALUE): Remove.
        * config/alpha/vms.h (STRUCT_VALUE_REGNUM): Remove #undef.
        (STRUCT_VALUE): Remove.

2004-01-14  Steven Bosscher  <stevenb@suse.de>

        * system.h: Poison PROMOTED_MODE
        * integrate.c (expand_inline_function): Don't mention the
        PROMOTED_MODE.
        * loop.c (update_giv_derive): Same.
        * tree.h (DECL_RTL): Same.

2004-01-14  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/9365
        * sh.c (gen_block_redirect): Add special handling of RETURN.
        (gen_far_branch) Don't call gen_stuff_delay_slot if there is no
        far branch target (i.e. it's a return).

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * regrename.c (find_oldest_value_reg): Fix a warning.

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        PR bootstrap/12527
        * config.gcc (arm*-*-linux*): Don't include unknown-elf.h in tm_file.
        Move linux-gas.h and linux-elf.h before aout.h.
        * arm/arm.h (INITIALIZE_TRAMPOLINE): Only define if not already.
        * arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Define.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Use GEN_INT instead of gen_rtx
        (CONST_INT, VOIDmode, ...).

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        * regrename.c (find_oldest_value_reg): If the replacement uses
        multiple hard registers, check that all of them are in CLASS.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * alias.c (get_alias_set):  Initialize alias set to 0 when subset is
        impossible.

2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Define MAINT from --enable-maintainer-mode.

2004-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_stack_info)
        Calculate always vrsave_mask if TARGET_ALTIVEC.
        (rs6000_emit_prologue): Emit code for vrsave
        only if TARGET_ALTIVEC_VRSAVE.
        (rs6000_emit_epilogue): Likewise.

2004-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (tie_add32): Fix pasto.
        (tie_add64): Likewise.

2004-01-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * config/i386/i386.md (*addqi_1_slp): Do not access operands[2].

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Fix comment formatting.
        * config/iq2000/iq2000.c: Likewise.
        * config/iq2000/iq2000.md: Likewise.

2004-01-14  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_ada_subrange_type): No longer check the TYPE_NAME.
        (subrange_type_die): Add handle for nameless subrange types.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Replace do_movsi with
        h8300_expand_movsi.
        * config/h8300/h8300.c (do_movsi): Change to
        h8300_expand_movsi.
        * config/h8300/h8300.md (movsi): Replace do_movsi with
        h8300_expand_movsi.
        (movsf): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (dosize): Change to
        h8300_emit_stack_adjustment.  Update callers.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (movstrictqi): Add an alternative with
        the source being post_inc.  Tighten the predicate for the
        destination to register_operand.
        (movstricthi): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (SHARED_BSS_SECTION_ASM_OP): Poison.
        * varasm.c (bss_section): Don't use SHARED_BSS_SECTION_ASM_OP.
        * doc/tm.texi (SHARED_BSS_SECTION_ASM_OP): Remove.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        Partial fix PR c++/12850
        * cgraphunit.c (cgraph_finalize_function): Always ggc_collect when
        at zero nest level.

2004-01-13  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/netbsd-elf.h (REGISTER_NAMES): Add missing "argptr"
        pseudo-register.

2004-01-13  Devang Patel <dpatel@apple.com

        PR debug/7078
        * dbxout.c (dbxout_symbol_name): Emit mangled names for
        NAMESPACE_DECL memebers.

2004-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/12709
        * c-common.c (finish_fname_decls): Use the chain only if the
        tree is an expr_stmt.

2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def: Add comment about new option in automata_option.

        * genautomata.c (PROGRESS_OPTION): New macro.
        (progress_flag): New global variable.
        (gen_automata_option): Process `progress'.
        (transform_insn_regexps, check_unit_distributions_to_automata,
        make_automaton, NDFA_to_DFA, build_automaton, create_automata,
        expand_automata, write_automata): Print about the progress only if
        progress_flag.  Remove fflush.
        (initiate_automaton_gen): Process command line flag `-progress'.

        * doc/md.texi: Describe the new option.

2004-01-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfg.c (dump_bb): Dump entry edges.

2004-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimate_address_p): Only allow constant pool
        references from SImode.
        * arm.md (thumb_movhi_insn): Don't allow minipool references.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (TEXT_SECTION): Poison.
        * varasm.c (text_section): Don't use TEXT_SECTION.
        * config/sh/sh.c (sh_file_start): Fix a comment typo.
        * doc/tm.texi (TEXT_SECTION): Remove.

2004-01-13  Ben Elliston  <bje@wasabisystems.com>

        * doc/rtl.texi (Vector Operations): Remove defunct vec_const item.

2004-01-12  James E Wilson  <wilson@specifixinc.com>

        * unwind-libunwind.c: Delete.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        PR 13656
        * c-decl.c (diagnose_mismatched_decls): Whenever newtype or
        oldtype is set, set *newtypep or *oldtypep too.  Do not set
        them at the very end.
        (validate_proto_after_old_defn): Restructure for comprehensibility;
        make error messages clearer.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        * varray.h (VARRAY_POP): Add checking variant, aborts on underflow.
        (VARRAY_TOP): Use VARRAY_CHECK so the access is bounds-checked.
        * varray.c: No need to prototype error.
        (varray_check_failed): Wrap long string onto two lines.
        (varray_underflow): New function.

2004-01-13  Steven Bosscher  <stevenb@suse.de>

        PR c++/13376
        * function.h (struct function): Kill `name' field.
        (current_function_name): Make it an extern function.
        * function.c (current_function_name): New function.
        * graph.c: Update all uses of current_function_name.
        * gcse.c: Likewise.
        * config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
        config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
        * config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
        instead of a strcmp with "main".

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (diagnose_mismatched_decls):  Fix warning calls.

        * cgraphunit.c (cgraph_optimize_function):  Always do
        optimize_inline_calls when there is always_inline callee.
        (cgraph_decide_inlining): Fix formating.
        * tree-inline.c (inlinable_function_p): Do sorry for alwaysinline
        functions.
        (expand_call_inline): Likewise.
        * toplev.h (sorry): Fix prototype.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
        conditional jumps that drop through to unconditional jumps or the
        end of the sequence.

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * alias.c (new_alias_set): Construct the alias_set varray.
        (init_alias_once): Don't do it here.

2004-01-12  Marc Espie <espie@openbsd.org>

        * system.h: handle YYBYACC like YYBISON.

2004-01-12  Jonathan Merriman <jonm@dualitymedia.com>

        PR target/10847
        * config.gcc: No longer includes conflicting header sparc/sol2.h when
        building on sparc64-*-openbsd*.

2004-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/13539
        * dbxout.c (dbxout_type): Protected inheritance is not
        private but protected.

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Revert last patch.

2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/12508.
        * combine.c (try_combine): Remove a dead set in a parallel
        even if its destination is a subreg.

        Revert:
        2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
        * combine.c (simplify_set): Don't move a subreg in SET_SRC to
        SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

2004-01-12  Geoffrey Keating  <geoffk@apple.com>

        * real.c: Update copyright date.
        * emit-rtl.c: Likewise.
        * rtl.h: Likewise.
        * dwarf2out.c: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/rs6000.md: Likewise.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Add AIX
        TFmode to SImode libfuncs.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/11397
        * varasm.c (assemble_alias): Remove weak aliases from weak_decls.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        PR opt/12826
        * loop.c (insert_loop_mem): Preffer VOLATILE memory references to be
        stored.

        PR opt/12863
        * cfgcleanup.c (label_is_jump_target_p): Move to...
        * rtlanal.c (label_is_jump_target_p): ... here.
        * cfgrtl.c (cfg_layout_redirect_edge_and_branch):  Fix redirecting of fallthru
        edges unified with branch edges.

2004-01-12  Richard Earnshaw  <rearnsha@arm.com>

        * simplify-rtx.c (simplify_immed_subreg): Correctly extract the
        high word of an integral CONST_DOUBLE.

2004-01-12  Paul Brook  <paul@codesourcery.com>

        * simplify-rtx.c (simplify_plus_minus): Always generate canonical form.

2004-01-12  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/13585
        * sh-protos.h (check_use_sfunc_addr): Declare.
        * sh.c (extract_sfunc_addr, check_use_sfunc_addr): New functions.
        * sh.md (use_sfunc_addr): Use check_use_sfunc_addr in insn predicate.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        * alias.c:  Invlude varray.h
        (alias_sets): Turn into varray.
        (get_alias_set_entry): Use VARRAY; mark inline.
        (mems_in_disjoint_alias_sets_p): Mark inline.
        (record_alias_subset): Use varray.
        (init_alias_once): Initialize varray.
        (new_alias_set): Grow array.
        * varray.c: Make VARRAY_GENERIC_PTR non GTYized.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        Partial fix for PR opt/10776 II
        * cselib.c: Include params.h
        (cselib_invalidate_mem):  Limit amount of nonconflicting memory
        locations.
        * params.def (PARAM_MAX_CSELIB_MEMORY_LOCATIONS): New.
        * Makefile.in (cselib.o): Depend on params.h

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Don't pass VOIDmode to
        simplify_unary_operation if the operand has a known mode.

2004-01-12  Hartmut Penner  <hpenner@de.ibm.com>

        PR target/13534
        * gcc/config/rs6000/rs6000.c (word_offset_memref_operand): New
        predicate to handle 'ld' conform addresses.
        * gcc/config/rs6000/rs6000.h (EXTRA_CONSTRAINT): New 'Y'
        contraint.
        (EXTRA_MEMORY_CONSTRAINT): Tell reload which constraint
        are memory contraints.
        * gcc/config/rs6000/rs6000-protos.h (word_offset_memref_operand):
        New prototype.
        * gcc/config/rs6000/rs6000.md (*movdf_hardfloat64):
        Change 'o' to 'Y' constraint.
        (*movdf_softfloat64): Ditto.

2004-01-12  Bernardo Innocenti  <bernie@develer.com>

        * gcc/config/m68k/m68k.md: Switch from the "*..." syntax to the
        brace-enclosed syntax in all C output statements.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        PR target/13401
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Objective-C language type value is 14.

2004-01-12  Markus F.X.J. Oberhumer  <markus@oberhumer.com>

        PR c/12148
        * config/m68k/fpgnulib.c: Fix `-mshort' bugs: Use `long' instead of
        `int' in a number of places to make sure we always have a SImode
        and not a HImode.  Add a 'L' suffix to a number of constants.

2004-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c: Don't include obstack.h.

        * pa.md: Correct constraint in pattern for loading PIC label address.

2004-01-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine
         before defining.

2004-01-11  Steven Bosscher  <stevenb@suse.de>

        PR fortran/9972
        * toplev.c (rest_of_handle_inline): Also consider functions
        for deferral if the language is GNU F77.

2004-01-11  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (diagnose_arglist_conflict): Add missing space to
        diagnostic messages.

2004-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/13392
        * builtins.c (expand_builtin_expect_jump): Handle conditional jumps
        to drop through label.  Don't fall back to SCC even when conditional
        jump has not been found.

2004-01-11  Jan Hubicka  <jh@suse.cz>

        * invoke.texi: Fix syntax error in previous patch.

        Partial fix for PR opt/10776
        * Makefile.in (reload.o): Include param.h
        * params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
        * reload.c: Include params.h.
        (find_equiv_reg): Work limiting check.
        * invoke.texi: Document.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Don't allow
        out-of-bounds accesses to string constants.  Simplify mips16
        case accordingly.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        PR optimization/13469
        * toplev.c (rest_of_compilation): Call purge_all_dead_edges after
        reload_cse_regs (-fnon-call-exceptions only).

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/lib1.asm: Fix comment formatting.
        * config/mcore/mcore-elf.h: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mcore/mcore.h: Likewise.
        * config/mcore/mcore.md: Likewise.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (duplicate_decls): Break apart into...
        (diagnose_arglist_conflict, validate_proto_after_old_defn)
        (locate_old_defn, diagnose_mismatched_decls, merge_decls):
        ... these new functions.  Restructure for comprehensibility.
        Remove various archaic special cases.  Always report the
        location of the previous declaration when a diagnostic is issued.
        (redeclaration_error_message): Fold into diagnose_mismatched_decls.
        (match_builtin_function_types): Delete unnecessary forward declaration.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (make_automaton, NDFA_to_DFA):
        Print progress bars with '.' characters instead of '*'.
        (build_automaton): Change notes to match.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Use define_constants for unspec and
        unspec_volatile.

2004-01-10  Jan Hubicka  <jh@suse.cz>

        PR opt/11635
        * expr.c (expand_expr_real):  More curefully expand union casts.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md (flush_icache): Use 1 for
        unspec_volatile.

2004-01-10  David Edelsohn  <edelsohn@gnu.org>
            James E Wilson  <wilson@specifixinc.com>

        PR debug/12860
        * dbxout.c (dbxout_symbol): Remove initialization of
        current_sym_code, current_sym_value, and current_sym_addr.
        (dbxout_symbol_location): Same.
        (dbxout_prepare_symbol): Zero current_sym_code,
        current_sym_value, and current_sym_addr.

2004-01-10  Richard Sandiford  <rsandifo@redhat.com>

        * tree.c (get_unwidened): Reorder conditions so that the null pointer
        check is done first.

2004-01-09  Eric Christopher  <echristo@redhat.com>

        * toplev.c (rest_of_handle_cfg): Add reg_scan pass
        if we're running mark_constant_function.

2004-01-09  Jeff Bailey  <jbailey@nisa.net>

        PR target/12561
        * config/t-gnu: Rename SYSTEM_HEADER_DIR to NATIVE_SYSTEM_HEADER_DIR.

2004-01-09  Andrew Pinski <pinskia@physics.uc.edu>

        PR debug/11231
        * dbxout.c (dbxout_type_fields): Return if any item is
        error_mark_node or the type is error_mark_node.

2004-01-09  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-ldouble.c: Add big comment explaining
        exactly what is expected as a 'long double'.
        (_xlqadd): When a value to be returned is representable as a
        'double', just return it directly, do not construct it using a union.
        Also, correct final fixup.
        (_xlqmul): Likewise.
        (_xlqdiv): Likewise.
        * real.c (encode_ibm_extended): Make consistent with darwin-ldouble.c.

        * config/rs6000/rs6000.md (fix_trunctfdi2): Delete.

2004-01-09  Richard Henderson  <rth@redhat.com>

        * recog.c (constrain_operands): Validate mem operands.

2004-01-09   James E Wilson  <wilson@specifixinc.com>

        * gcc.c (init_spec): Remove -lunwind from shared case.
        * conifg/ia64/t-hpux (SHLIB_LINK): Add -lunwind.

2004-01-09  Steve Ellcey  <sje@cup.hp.com>

        * configure.ac: (gcc_cv_ld_hidden) Set to true for ia64*-*-hpux*.
        * configure: Regenerate

2004-01-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11234
        * c-typeck.c (build_c_cast): If pedantic, warn for conversions
        between function and object pointers.
        (digest_init): When comparing a pointer to function type to the
        target type, only apply TREE_TYPE once to the pointer to function
        type.
        * except.c (for_each_eh_label_1): Treat data as a pointer to a
        function pointer rather than casting it to a function pointer.
        (for_each_eh_label): Update caller.
        * recog.h (struct insn_data): Use a struct or union for output.
        * genoutput.c (output_insn_data): Update.
        * final.c (get_insn_template): Update.

2004-01-09  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (expand_expr): Make it a macro, not a function.
        (expand_expr_real): New function.
        * expr.c (store_expr): Adjust logic for deciding whether or not to
        copy the value returned by expand_expr.
        (expand_expr): Rename to ...
        (expand_expr_real): ... this.  Add alt_rtl parameter.  Adjust
        calls to language hooks.
        * c-common.h (c_expand_expr): Adjust prototype.
        * c-common.c (c_expand_expr): Add alt_rtl parameter.
        * langhooks-def.h (lhd_expand_expr): Change prototype.
        * langhooks.c (lhd_expand_expr): Add all_rtl parameter.
        * langhooks.h (lang_hooks): Change type of expand_expr.
        * stmt.c (stmt_status): Add x_last_expr_alt_rtl.
        (last_expr_alt_rtl): Likewise.
        (expand_expr_stmt_value): Set last_expr_alt_rtl.
        (clear_last_expr): Clear it.
        (expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
        (expand_end_bindings): Save and restor last_expr_alt_rtl.
        * tree.def (RTL_EXPR): Give it an additional operand.
        * tree.h (RTL_EXPR_ALT_RTL): New macro.

2004-01-09  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
        * config/m32r/m32r.c (call26_operand): Allow in PIC mode.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/13380.
        * config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
        or (ne:SI (reg:CC 17) (const_int 0)).
        Be specific about modes wherever possible.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_expand_block_move): Call
        gen_movestrsi_internal with two more arguments.
        (m32r_output_block_move): Adjust operand numbers.
        Properly update the source and destination pointers.
        * config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
        'r+'.  Change the set detinations to match_operand.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c (FIRST_INSN_ADDRESS): Remove.
        (shorten_branches): Don't use FIRST_INSN_ADDRESS.
        * system.h (FIRST_INSN_ADDRESS): Poison.
        * config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_first_insn_address.
        * config/m32r/m32r.c (m32r_first_insn_address): Remove.
        * config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
        * doc/md.texi (FIRST_INSN_ADDRESS): Likewise.

2004-01-09  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (gen_enumeration_type_die): Return the DIE that
        we just created.
        (is_ada_subrange_type): DIEs for enumeration subtypes should be
        emitted as subrange types too.
        (subrange_type_die): Add handling of enumeration subtypes.

2004-01-08  Richard Henderson  <rth@redhat.com>

        PR opt/12441
        Revert: Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
        * i386.c (aligned_operand): Be prepared for SUBREGed registers.
        (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
        (ix86_address_cost): Be prepared for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2004-01-08  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Rename configure.in to configure.ac
        * doc/sourcebuild.texi: Likewise.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-01-08  Stuart Hastings  <stuart@apple.com>

        * config/i386/i386.md: Typos in MMX/SSE immediate shifts.

2004-01-08  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_decide_inlining):  Fix typo.

2004-01-08  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
        (UNSPEC_FIX_TRUNC_TF): New constant.
        (movtf_internal): Make splitter active only when insn is active.
        (extenddftf2): Rewrite to properly load zero into low part.
        (extenddftf2_internal): New.
        (extendsftf2): Rewrite.
        (truncdftf2): Correct length.
        (floatditf2): Delete.
        (fix_trunc_helper): New.
        (fix_trunctfdi2): Use fix_trunc_helper.
        (fix_trunctfsi2): Likewise.fix_trunc
        (fix_trunctfsi2_internal): New.

        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
        addresses are legitimate on Darwin even when flag_pic.
        (rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
        non-offsettable addresses for loads of TFmode constants.

2004-01-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
        variables in the appropriate bss section.

2004-01-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
        target_flags has MASK_POWERPC64 when -m64.
        * config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
        to 620, 630, power3, power4 and rs64a entries.
        * config/rs6000/rs6000.h (MASK_64BIT): Expand comment.

2004-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg): Fix construction of
        floating-point constants.

2004-01-08  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Add context_die parameter.
        Create the subrange_type DIE using the given context DIE.
        (modified_type_die): Update call to subrange_type_die.

2004-01-08  Zack Weinberg  <zack@codesourcery.com>

        * dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
        Add multiple-include guard.

2004-01-08  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
        all vector constant loadable by vsplt*.
        (output_vec_const_move): Likewise.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/6024
        * c-typeck.c (comptypes): Only treat enumerated types in the same
        translation unit as compatible with each other when they are the
        same type.
        * doc/extend.texi: Update.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12165
        * c-decl.c (grokdeclarator): Take type qualifiers of typedefed
        array type from the array element type.

2004-01-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
        * config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
        * config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
        (DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
        * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.

2004-01-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
        (DWARF2_DEBUGGING_INFO): Define.
        (PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
        * config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
        * config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
        for irix as.
        (SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
        * config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
        * config/mips/iris5gas.h: Ditto.
        (DBX_DEBUGGING_INFO): Remove.
        (DWARF2_DEBUGGING_INFO): Ditto.
        (MIPS_DEBUGGING_INFO): Ditto.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        * config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        (SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
        * config/mips/elf64.h: Ditto.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
        (STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.

2004-01-06  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
        (TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
        * config/rs6000/darwin-ldouble.c: New.

        * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
        for constants.
        (constant_subword): Delete.
        * rtl.h (constant_subword): Delete prototype.
        (immed_double_const): Is not in varasm.c.
        * simplify-rtx.c (simplify_immed_subreg): New.
        (simplify_subreg): Use simplify_immed_subreg.

        * config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
        than trying to generate RTL directly.
        (fix_trunctfsi2): Use expand_fix rather than trying to generate
        RTL directly.

        * dwarf2out.c (add_const_value_attribute): Remove incorrect comment.

2004-01-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
        function into a separate macro.
        (read_only_data_section): Add void argument.
        (private_data_section): Same.
        (read_only_private_data_section): Same.
        (toc_section): Same.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * invoke.texi:  Remove typo in last change.

        PR target/10301
        * config.gcc: Accept opteron and athlon-64 as variants
        of k8.
        * i386.c (override_options): Likewise.
        * invoke.texi (i386 -mtune): Expand documentation.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix comment typos.
        * builtins.c: Likewise.
        * cfg.c: Likewise.
        * df.c: Likewise.
        * dominance.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fold-const.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * ggc-zone.c: Likewise.
        * integrate.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * recog.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reorg.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.h: Likewise.
        * sched-ebb.c: Likewise.
        * simplify-rtx.c: Likewise.
        * toplev.c: Likewise.
        * varasm.c: Likewise.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/install.texi: Fix typos.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.

2004-01-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * i386.c (init_cumulative_args):  Add handling of MMX_REGPARM.
        (function_arg_advance):  Do not pass aggregates in SSE; deal handling
        of MMX_REGPARM.
        (function_arg): Add new warnings about ABI changes;  fix SSE_REGPARM;
        add MMX_REGPARM.
        * i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
        (SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
        (MMX_REGPARM_MAX): Similarly for -mmmx.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/linux.h: Fix comment formatting.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sh/vxworks.h: Likewise.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
        * toplev.c (output_file_directive): Don't use
        ASM_OUTPUT_MAIN_SOURCE_FILENAME.

2004-01-05  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30.

2004-01-05  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
        (USING_MMAP): We don't support non-mmap.
        (struct alloc_chunk): Steal 1 bit from typecode, use it to mark
        large objects.
        (struct page_entry): Remove bytes_free.
        (struct page_table_chain): Remove.
        (struct globals): Remove page_table member.
        (loookup_page_table_entry): Function deleted.
        (set_page_table_entry): Ditto.
        (ggc_allocated_p): No longer need page table lookups.
        (ggc_marked_p): Ditto.
        (alloc_small_page): Don't care about bytes_free anymore.
        (alloc_large_page): Round up size.
        (ggc_alloc_zone_1): Mark large objects as such, and calculate
        their size the new way.
        Remove page table lookups and setting.
        (ggc_get_size): Calculate large object size the new way.
        (sweep_pages): Redo to account for fact that we no longer have
        bytes_free.
        (ggc_collect): No longer need to reincrement bytes_free.
        (ggc_pch_alloc_object): Handle new large objects properly.
        (ggc_pch_read): Put PCH stuff into it's own uncollected zone.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove a page break.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (avr_output_function_prologue): Remove an
        extra pair of curly braces.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c: Fix comment formatting.
        * config/mn10300/mn10300.h: Likewise.

2004-01-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h: Update documentation on nothrow_flag.
        * print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
        types.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove traces of dead ports.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
        option.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        PR target/12945
        * coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
        counter labels.
        * config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
        (mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
        string constants if TARGET_MIPS16.  Use SYMBOL_REF_DECL to check
        the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
        (mips_symbol_insns): Don't trust the local/global classification.
        (m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
        (override_options): Make -mabicalls -fno-unit-at-a-time imply
        -mno-explicit-relocs.
        (mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
        between local and global symbols.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
        (mips_preferred_reload_class): Declare.
        * config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
        (EXTRA_CONSTRAINT): Update accordingly.
        (PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
        * config/mips/mips.c (mips_dangerous_for_la25_p): New function.
        (mips_preferred_reload_class): New function.  Prefer LEA_REGS if
        mips_dangerous_for_la25_p.
        (mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
        if mips_dangerous_for_la25_p.

2004-01-05  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
        warning.

2004-01-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Use AC_PROG_CPP_WERROR.
        * configure: Regenerate.

2004-01-04  Zack Weinberg  <zack@codesourcery.com>

        * .cvsignore: Add autom4te.cache.

2004-01-04  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Revamp documentation of MIPS options.  Remove
        -mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
        -m4650, -mfix7000 and -(m)no-crt0.  Put endianness options first,
        then architecture options, then ABI options.  General rewording.

2004-01-04  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/3414
        * doc/extend.texi: Clarify definition of malloc attribute.

2004-01-04  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
        * cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
        * cgraph.h (cgraph_edge): Replace inline_call by inline_failed
        (cgraph_inline_p): Add extra argument reason.
        * cgraphunit.c: Minor formating fixes.
        cgraph_first_inlined_callee): New functions.
        (record_call_1): Record builtins too.
        (cgraph_analyze_function): Update inline_failed messages.
        (cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
        cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
        (cgraph_check_inline_limits): Likewise; Add argument reason.
        (cgraph_set_inline_failed): New static function.
        (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
        reasons.
        (cgraph_inline_p): Add new argument reason.
        * tree-inline.c (expand_call_inline):  Update warning.

2004-01-03  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
        with modern equivalents.
        * configure: Regenerate.

        * configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
        * aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
        * configure: Regenerate.

        * doc/install.texi: Note that 'gcc' is now a 2.57 directory.

        * configure.in: Rename to configure.ac.
        * configure.ac: Renamed from configure.in; make minimum necessary
        changes for autoconf 2.5x.
        * aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
        * configure: Regenerate with autoconf 2.57.

2004-01-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/linux.h: Fix comment formatting.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mips/mips.md: Likewise.
        * config/mips/netbsd.h: Likewise.
        * config/mips/windiss.h: Likewise.

2004-01-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (fp constant pool splitter): Reorg suppression
        for sse and 387; add suppression for mmx.

2004-01-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * loop.c (loop_optimize): Free all loops_info's mems.

        * c-typeck.c (finish_init): Free spelling_base before
        setting it again.

        * cfgloop.c (flow_loops_find): Always free the sbitmap
        headers.

        * predict.c (estimate_probability): Free bbs after being
        done with it.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (PREDICATE_CODES): Add
        const_8bit_operand and call_address_operand.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_optimize_function):  Call optimize_inline_calls
        when there is nothing to inline but warnings are requested.
        (cgraph_decide_inlining):  Fix memory leak.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * expr.c (store_constructor):  Fix pasto in previous patch.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/cygming.h: Fix comment formatting.
        * config/i386/djgpp.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/openbsd.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/i386/xm-mingw32.h: Likewise.

2004-01-02  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
        copyright and last modification dates.

2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>

        * doc/install.texi (Specific): Mention x86_64.

2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

        * builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
        Call force_operand on plus_constant result.

2004-01-01  Jan Hubicka  <jh@suse.cz>

        * expmed.c (store_bit_field, extract_bit_field): Use new named patterns
        * expr.c (store_constructor): Use vec_init pattern.
        * genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
        * optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
        (vec_set_optab, vec_extract_optab, vec_init_optab): New.
        * i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
        New patterns.
        (sse2_unpc?pd): Fix pattern.
        (sse2_movlpd): Kill.
        (sse2_movsd): Deal with movlpd too.
        * i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
        (ix86_expand_vector_init): New.
        * emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
        * md.texi (vec_set, vec_extract): Document

2003-12-31  Jan Hubicka  <jh@suse.cz>

        PR opt/13473
        * recog.c (validate_replace_rtx_1):  Take care for RTL sharing inside
        ASM input operands

        PR opt/12617
        * toplev.c (dump_file_index): Reorder ce3 and bbro.
        (dump_file): Likewise.
        (rest_of_compilation): Likewise.

        PR debug/13367
        * cgraph.c (cgraph_function_possibly_inlined):  Even with
        flag_really_no_inline we inline always_inline functions.
        * cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
        for non-always_inline functions when there is flag_really_no_inline.
        (cgraph_decide_inlining): Limit work done when not inlining.
        (cgraph_decide_inlining_incrementally): Likewise.
        (cgraph_optimize_function): Check whether something got inlined.
        * c-objc-common.c (c_disregard_inline_limits): Do not always inline
        extern inline functions when not inlining.

        * opts.c (decode_options):  Disable crossjumping at -O1
        * invoke.texi (-O1): Document change.

See ChangeLog.10 for earlier changes.