arch: Use VIRTUAL_REGISTER_P predicate.
gcc/ChangeLog:
* config/arm/arm.cc (thumb1_legitimate_address_p):
Use VIRTUAL_REGISTER_P predicate.
(arm_eliminable_register): Ditto.
* config/avr/avr.md (push<mode>_1): Ditto.
* config/bfin/predicates.md (register_no_elim_operand): Ditto.
* config/h8300/predicates.md (register_no_sp_elim_operand): Ditto.
* config/i386/predicates.md (register_no_elim_operand): Ditto.
* config/iq2000/predicates.md (call_insn_operand): Ditto.
* config/microblaze/microblaze.h (CALL_INSN_OP): Ditto.