SPEC_CTRL_IBRS
andq $SPEC_CTRL_IBRS|SPEC_CTRL_STIBP, %rax ; \
andq $SPEC_CTRL_IBRS|SPEC_CTRL_STIBP, %rax ; \
andq $SPEC_CTRL_IBRS|SPEC_CTRL_STIBP, %rax ; \
andq $SPEC_CTRL_IBRS|SPEC_CTRL_STIBP, %rax ; \