* gdbtypes.h (builtin_type_ieee_single, builtin_type_ieee_double,

	* gdbtypes.h (builtin_type_ieee_single, builtin_type_ieee_double,
	builtin_type_i387_ext, builtin_type_m68881_ext, builtin_type_arm_ext,
	builtin_type_ia64_spill, builtin_type_ia64_quad): Remove.
	(init_float_type, init_complex_type): Add prototypes.
	* gdbtypes.c (builtin_type_ieee_single, builtin_type_ieee_double,
	builtin_type_i387_ext, builtin_type_m68881_ext, builtin_type_arm_ext,
	builtin_type_ia64_spill, builtin_type_ia64_quad): Remove.
	(_initialize_gdbtypes): Do not initialize them.
	(build_flt): Rename to ...
	(init_float_type): ... this.  Make global.
	(build_complex): Rename to ...
	(init_complex_type): ... this.  Make global.  Remove BIT argument.
	(gdbtypes_post_init): Update calls.

	* ada-lang.c (ada_language_arch_info): Use init_float_type.
	* jv-lang.c (build_java_types): Likewise.
	* m2-lang.c (build_m2_types): Likewise.
	* f-lang.c (build_fortran_types): Use init_float_type and
	init_complex_type.

	* target-descriptions.c (tdesc_gdb_type): Call init_float_type instead
	of using builtin_type_ieee_single, builtin_type_ieee_double, or
	builtin_type_arm_ext.

	* ia64-tdep.h (struct gdbarch_tdep): Add ia64_ext_type member.
	* ia64-tdep.c (builtin_type_ia64_ext): Remove.
	(_initialize_ia64_tdep): Do not initialize it.
	(floatformat_valid, floatformat_ia64_ext, floatformats_ia64_ext):
	Move up.
	(ia64_ext_type): New function.
	(ia64_register_reggroup_p, ia64_convert_register_p,
	ia64_register_to_value, ia64_value_to_register,
	ia64_extract_return_value, ia64_store_return_value): Use ia64_ext_type
	instead of builtin_type_ia64_ext.

	* i386-tdep.h (struct gdbarch_tdep): Add i387_ext_type member.
	(i387_ext_type): Add prototype.
	* i386-tdep.c (i387_ext_type): New function.
	(i386_extract_return_value, i386_store_return_value,
	i386_register_type): Use it instead of builtin_type_i387_ext.
	* amd64-tdep.c (amd64_register_type): Likewise.
	* i387-tdep.c (print_i387_value, i387_register_to_value,
	i387_value_to_register): Likewise.
	(print_i387_value, print_i387_ext): Add GDBARCH argument.
	(print_i387_ext, i387_print_float_info): Pass to subroutines.

	* m68k-tdep.h (struct gdbarch_tdep): Add m68881_ext_type member.
	* m68k-tdep.c (m68881_ext_type): New function.
	(m68k_register_type, m68k_convert_register_p): Use it instead
	of builtin_type_m68881_ext.

	* arm-tdep.h (struct gdbarch_tdep): Add arm_ext_type member.
	* arm-tdep.c (arm_ext_type): New function.
	(arm_register_type): Use it instead of builtin_type_arm_ext.

	* alpha-tdep.c (alpha_register_type): Use builtin types
	instead of builtin_type_ieee_double.

	* mips-tdep.c (mips_float_register_type, mips_double_register_type):
	Remove.
	(mips_register_type): Use builtin types instead of
	builtin_type_ieee_single and builtin_type_ieee_double.
	(mips_print_fp_register): Use builtin types instead of
	mips_float_register_type and mips_double_register_type.

	* hppa-tdep.c (hppa32_register_type, hppa64_register_type):
	Use builtin types instead of builtin_type_ieee_single and
	builtin_type_ieee_double.