• aoliva's avatar
    Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux. · 3e7f6cce
    aoliva authored
    2004-02-05  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
    symbols in sections named by the user.
    2004-01-30  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
    2004-01-27  Alexandre Oliva  <aoliva@redhat.com>
    * config.gcc (frv-*-*linux*): Handle like *-*-linux*.
    * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
    the above.
    2004-01-20  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
    one more pseudo to further improve code generation.
    2004-01-19  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.md (movdi_ldd): Introduce explicit indirection
    inside UNSPEC.
    2004-01-16  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_legitimate_address_p): Added
    allow_double_reg_p argument.  Adjust all callers.  Use it to
    decide whether to enable double-register indirect addressing.
    (frv_funcdesc_alias_set): Remove.
    (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
    register.  Emit movdi_ldd.
    (ldd_address_operand): New.
    * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
    * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
    (PREDICATE_CODES): Add ldd_address_operand.
    * config/frv/frv.md (movdi_ldd): New.
    (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
    intermediate computations if possible.
    (symGOTOFF2reg_i): Fix harmless typo.
    2003-12-18  Alexandre Oliva  <aoliva@redhat.com>
    * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
    relocated p_vaddr to vaddr type.
    * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
    * config/frv/frv.c (frv_get_funcdesc_alias_set): New.
    (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
    MEM, or use a funcdesc alias set.  Use regular move instead of
    ldd.
    (dbl_memory_one_insn_operand): Recognize function descriptors by
    type or by alias set, and don't split them.
    * config/frv/frv.md (call, call_value): Never use call_internal
    for fdpic.
    (call_internal, call_value_internal): Never match for FDPIC.
    (call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
    call_value_fdpicsi): Require FDPIC.
    (ldd): Removed.
    2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
    * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
    (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
    FDPIC.  Compute data base address.
    * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
    before the other self-specs are processed.
    * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
    Build with -fPIC.
    2003-12-15  Alexandre Oliva  <aoliva@redhat.com>
    * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
    inhibit_libc is defined.
    2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
    * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
    __FRV_FDPIC__.
    (__RELOC_POINTER): Define.
    (_Unwind_IteratePhdrCallback): Use it.
    * config/frv/frv.h (Twrite): Define.
    (TRANSFER_FROM_TRAMPOLINE): Use it.
    * config/frv/linux.h (INVOKE__main): Undefine.
    (Twrite): Override.
    2003-12-05  Richard Sandiford  <rsandifo@redhat.com>
    * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
    (-mlibrary-pic): Emphasize that this option generates EABI code.
    (-mcpu): Add fr550.
    (-mpack): Remove.
    2003-11-30  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
    and CONSTs in FDPIC mode.
    * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
    2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv.c (move_source_operand): Don't accept symbolic
    constants.
    * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
    rather than 'i' constraint for the 2-instruction alternative.
    (*movsi_2word): New, incorporating existing int_2word_operand splitter.
    2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
    EXTRA_CONSTRAINT_FOR_Y.
    (EXTRA_CONSTRAINT): Remove handling of 'Y'.
    * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
    (addsi3): Change 'Y' constraint to 'Q'.
    2003-11-27  Richard Sandiford  <rsandifo@redhat.com>
    * reload.c (CONST_POOL_OK_P): New macro.
    (find_reloads): Use it to decide whether a constant can be forced
    into memory.
    * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
    constant satisfies got12_operand.
    (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
    (frv_legitimate_address_p): Check for valid unspec offsets using
    got12_operand rather than frv_legitimate_fdpic_operand_p.
    (frv_legitimate_fdpic_operand_p): Delete.
    (frv_emit_movsi): Abort if we try to use the FDPIC register during
    or after reload.
    (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
    TARGET_FDPIC.
    * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
    2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
    (frv_fdpic_fptr_operand): Don't declare here.
    * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
    rather than fdpic_got12_operand.
    (PREDICATE_CODES): Remove symbolic_operand entry.  Add entries for
    got12_operand and const_unspec_operand.
    * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
    (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
    (symbolic_operand): Remove.
    (const_unspec_operand): New predicate.
    * config/frv/frv.md (*movsi_got): Use got12_operand.
    (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
    2003-11-18  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
    * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
    * config/frv/frv.c (frv_unspec): New structure.
    (frv_small_data_reloc_p, frv_const_unspec_p): New functions.
    (frv_print_operand_memory_reference): Use frv_const_unspec_p to
    validate CONST indices.  Use frv_output_const_unspec to print them.
    (frv_print_operand): Update call to unspec_got_name.  Use
    frv_output_const_unspec to print constant unspecs.
    (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
    Reject UNSPECs otherwise.
    (unspec_got_name): Take the relocation number as argument, not an
    rtx containing it.
    (frv_output_addr_const_extra): Remove, replacing with...
    (frv_output_const_unspec): ...this new function.
    (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
    (gpr_or_int12_operand): Use fdpic_got12_operand.
    (dbl_memory_one_insn_operand): Likewise.
    (fdpic_got12_operand): Use frv_const_unspec_p.
    (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
    are already legitimate.  Use frv_small_data_reloc_p when deciding
    whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
    2003-11-18  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
    * config/frv/libgcc-frv.ver: ... frv-specific symbols.  New file.
    * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
    label, for real this time.
    * config/frv/frv.c (frv_local_funcdesc_p): Update to new
    representation of visibility.
    (fdpic_got12_operand, symbolic_operand): Mark unused arguments as
    such.
    2003-11-17  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
    (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
    * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
    it was explicitly disabled.
    (frv_stack_info): There is no need to save the link register in every
    frame unless TARGET_LINKED_FP is true.
    (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
    frame pointer if the stack pointer might change value.
    (frv_return_addr_rtx): Check and process "count" argument.
    2003-11-14  Richard Sandiford  <rsandifo@redhat.com>
    * config/frv/frv-protos.h (frv_legitimize_address): Remove.
    (frv_find_base_term): Declare.
    * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
    (FIND_BASE_TERM): Define.
    (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
    small_data_register_operand, small_data_symbolic_operand.  Add
    symbolic_operand.
    * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
    (frv_print_operand_memory_reference, output_move_single): Remove
    special handling for unlegitimized sdata addresses.
    (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
    and symbolic addresses.
    (frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
    (frv_find_base_term): New function.
    (int_2word_operand): Check specifically for symbolic address constants.
    (pic_register_operand, pic_symbolic_operand): Delete.
    (small_data_register_operand, small_data_symbolic_operand): Delete.
    (dbl_memory_one_insn_operand): Don't call plus_small_data_p.
    Allow UNSPEC_GOT constants if !TARGET_FDPIC.
    (move_source_operand): Only accept CONSTs if they're a two-insn
    symbolic constant.
    (fdpic_got12_operand): Don't require TARGET_FDPIC.
    (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
    using gen_symGOTOFF2reg*.
    (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
    (frv_rtx_costs): Give all MEM addresses a cost of 0.  Give MEMs
    themselves a cost of 3 insns.
    * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
    Change predicate to symbolic_operand.
    (*movsi_high_got, *movsi_lo_sum_got): Likewise.
    (*movsi_lda_sdata): Delete.
    (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
    2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
    * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
    frv-*-*linux*.
    * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
    label.
    * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
    -multilib-library-pic.
    (LINK_SPEC): Add -z text for -mfdpic.
    * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
    * config/frv/frvend.c (__ROFIXUP_END__): Likewise.
    * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
    Override.
    (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
    FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
    * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
    crtstuff-generated files.
    2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
    * config.gcc: Add frv-*-*linux*.
    * config/frv/linux.h, config/frv/t-linux: New.
    2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
    when -mfdpic even if a linker script is explicitly listed.
    2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_override_options): Clear asm_out
    unaligned_op for SImode on FDPIC.
    (frv_emit_movsi): Use compute_reloc_for_constant to compute the
    argument passed to decl_readonly_section.
    (frv_assemble_integer): Revert 2003-09-30's change, but make the
    whole block run with FDPIC even with -fno-PIC.
    2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_cannot_force_const_mem): Don't force
    symbol or label plus offset to memory.
    (frv_emit_movsi): Emit GPREL only if -mgprel-ro.  Emit 32-bit
    GOTOFF and GPREL for LABEL_REF.
    * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
    -mfdpic unless -mno-gprel-ro, -fpic or -fpie.
    (MASK_GPREL_RO, TARGET_GPREL_RO): New.
    (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
    * doc/invoke.texi: Document them.
    2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
    (frv_splittable_got_operand): Removed.
    * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
    LO_SUM.  Add comments.
    (frv_override_options): Moved enabling of FDPIC to
    DRIVER_SELF_SPECS.  Don't enable MASK_DWORD.
    (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
    (frv_legitimize_fdpic_address): Don't duplicate logic in
    frv_emit_movsi.
    (frv_gen_GPsym2reg): New.
    (unspec_got_name): Added gprel.
    (frv_expand_fdpic_call): Add support for inlining PLTs.
    (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
    (gpr_or_int12_operand): Added GPREL12.
    (pic_symbolic_operand): Match even if !flag_pic for FDPIC.
    (small_data_symbolic_operand): Fail if FDPIC.
    (fdpic_splittable_got_operand): Removed.
    (fdpic_got12_operand): Added GPREL12.
    (frv_emit_movsi): Reorganize to avoid duplication.  Emit GPREL
    when appropriate.  Fix sdata GOTOFF.
    (frv_legitimate_constant_p): Require legitimate PIC operand for
    FDPIC with pic, but only a legitimate fdpic operand for non-pic.
    (frv_assemble_integer): Move FDPIC funcdesc handling out of
    flag_pic case.
    (frv_asm_out_constructor, frv_asm_out_destructor): Abort if
    frv_assemble_integer fails.
    * config/frv/frv.h (DRIVER_SELF_SPECS): New.
    (SUBTARGET_DRIVER_SELF_SPECS): New.
    (ASM_SPEC): Don't pass -mno-fdpic.
    (LINK_SPEC): Pass -melf32frvfd for FDPIC.
    (MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
    (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
    -multilib-library-pic.
    (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
    condexec_si_media_operator, condexec_sf_add_operator and
    condexec_sf_conv_operator.  Removed condexec_sf_binary_operator
    and condexec_sf_unary_operator.
    * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
    New.
    (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
    movsi_internal.  Give them internal names.  movsi_got has type
    int.
    (fdpic got splitters): Remove.
    (symGPREL2reg, symGPREL2reg_hilo): New.
    * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
    to -mlibrary-pic.  Map -multilib-library-pic to it.
    * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
    Document.
    2003-09-28  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
    (TARGET_CANNOT_FORCE_CONST_MEM): Define to...
    (frv_cannot_force_const_mem): New function.
    (const_small_data_p, plus_small_data_p): Update comments on sdata
    on FDPIC.
    (frv_override_options): Set flag_pie for FDPIC too.
    (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
    call-saved registers on FDPIC.
    (frv_stack_info): Don't preserve the PIC register on FDPIC, and
    don't force LR to be preserved.
    (frv_expand_prologue): Likewise.
    (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
    (frv_frame_pointer_required): Don't force it just because the
    FDPIC register is used.
    (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
    operand only if !condexec_p.
    (frv_legitimize_address): Return the FDPIC-legitimized address.
    Don't match small data here on FDPIC.
    (frv_legitimate_fdpic_operand_p): Don't accept unadorned function
    symbols.  Use TRUE/FALSE instead of 1/0.
    (frv_local_funcdesc_p): New.
    (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
    immediates when possible.
    (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
    (dbl_memory_one_insn_operand): Accept addresses that add a REG and
    an UNSPEC_GOT.
    (frv_emit_movsi): Handle FDPIC before small data.  Use GOTOFF and
    12-bit immediates when possible.
    (frv_legitimate_constant_p): In FDPIC, reject SImode operands that
    are not legitimate pic operands.
    (frv_in_small_data_p): Re-enable for FDPIC.
    * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
    (FRV_GLOBAL_P): Removed.
    * config/frv/frv.md: Add modes to CONSTs.
    (movsi_got): New.
    (movsi_lo_sum_got): Use separate matches instead of match_dup.
    (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
    (fdpic splittable operations): Match on flag_pic != 1.
    2003-09-22  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_asm_out_constructor,
    frv_asm_out_destructor): Pass to frv_assemble_integer the size in
    bytes, not bits.
    2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
    * config/frv/frv.c (frv_assemble_integer): Reject complex
    expressions referencing function SYMBOL_REFs.
    * config/frv/frv.c (frv_function_symbol_referenced_p): New.
    (move_source_operand): Reject CONSTs that reference function
    SYMBOL_REFs on FDPIC.
    (frv_emit_movsi): If we get such a CONST, break it up.
    * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
    (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
    * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
    MEM.
    (frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
    (frv_trampoline_size): Increase for FDPIC.
    * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
    (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
    * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
    Disable use of GOTOFF for now.
    (const_small_data_p, plus_small_data_p, frv_in_small_data_p):
    Disable use of small data in FDPIC for now.
    (frv_asm_output_mi_thunk): Implement for FDPIC.
    * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
    * config/frv/frv.c (frv_asm_out_constructor): Use
    frv_assemble_integer for FDPIC pointers.
    (frv_asm_out_destructor): Likewise.
    * config/frv/frv.md (ldd): Fix order of operands.  Use
    address_operand for input.
    2003-09-18  DJ Delorie  <dj@redhat.com>
    * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
    (unspec_got_name): Correct typo.
    (frv_emit_movsi): Pre-expand splittable GOTs.
    (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
    * config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
    (symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
    * config/frv/t-frv: Add -mfdpic multilibs.
    * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
    (TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
    * config/frv/frv.c (frv_override_options): -mfdpic assumes
    flag_pic, default to 32-bit pics, require DWORD ops.
    (frv_override_options): Add W and Z constraints.
    (frv_expand_prologue): No pic prologue for -mfdpic.
    (frv_asm_output_mi_thunk): Support -mfdpic (soon).
    (frv_print_operand_memory_reference): Handle GOT constants.
    (frv_legitimate_address_p): Allow GOT constants.
    (frv_legitimize_address): Handle GOT addresses too.
    (frv_legitimate_fdpic_operand_p): New.
    (frv_legitimize_fdpic_address): New.
    (unspec_got_name): New.
    (frv_output_addr_const_extra): New.
    (frv_expand_fdpic_call): New.
    (frv_fdpic_fptr_operand): New.
    (gpr_or_int12_operand): Handle GOT operands.
    (int_2word_operand): Handle GOT operands.
    (fdpic_operand): New.
    (fdpic_splittable_got_operand): New.
    (fdpic_got12_operand): New.
    (frv_emit_movsi): Handle GOT operands.
    (frv_assemble_integer): -mfdpic doesn't use rofixups.
    (frv_print_operand): Support 'g' code for GOT operands.
    * config/frv/frv-protos.h: Add prototypes as needed.
    * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
    R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
    R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
    R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
    R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
    R_FRV_GOTOFFLO): New.
    (movsi_high_got, movsi_lo_sum_got): New.
    (*movsi_pic): Don't use this splitter for -mfdpic.
    (addsi3): Allow GOT references also.
    (call, call_value): Handle -mfdpic separately.
    (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
    call_value_fdpicsi): New.
    (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
    symGOTOFF2reg_i): New.
    * config/frv/frv.h (MASK_FDPIC): New.
    (TARGET_FDPIC): New.
    (TARGET_SWITCHES): Add -mfdpic.
    (FDPIC_FPTR_REGNO): New.
    (FDPIC_REGNO): New.
    (OUR_FDPIC_REG): New.
    (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
    FDPIC_CALL_REGS.
    (REG_CLASS_NAMES): Likewise.
    (REG_CLASS_CONTENTS): Likewise.
    (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
    (EXTRA_CONSTRAINT): Add it here.
    (FRV_GLOBAL_P): New.
    (OUTPUT_ADDR_CONST_EXTRA): New.
    
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78373 138bc75d-0d04-0410-961f-82ee72b054a4
    3e7f6cce
frv.c 273 KB