* dwarf2.h (DW_OP_call_ref): Rename from DW_OP_calli.
        (DW_OP_GNU_push_tls_address): New.
        (DW_OP_lo_user): Fix.
        * dwarf2out.c (INTERNAL_DW_OP_tls_addr): New.
        (dwarf_stack_op_name): Handle it, plus other dwarf3 opcodes.
        (size_of_loc_descr): Likewise.
        (output_loc_operands): Handle INTERNAL_DW_OP_tls_addr.
        (add_AT_location_description): Take a dw_loc_descr_ref not an rtx.
        (loc_descriptor_from_tree): Handle TLS variables.
        (rtl_for_decl_location): Do avoid_constant_pool_reference here ...
        (add_location_or_const_value_attribute): ... not here.  Defer
        to loc_descriptor_from_tree for TLS variables.

        * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): New.
        * config/i386/i386.c (i386_output_dwarf_dtprel): New.
        * config/i386/i386-protos.h: Update.

From-SVN: r56957