__HYPERCALL_CLOBBER4  126 include/asm-x86/xen/hypercall.h #define __HYPERCALL_CLOBBER3	__HYPERCALL_CLOBBER4, __HYPERCALL_ARG4REG
__HYPERCALL_CLOBBER4  182 include/asm-x86/xen/hypercall.h 		      : __HYPERCALL_CLOBBER4);				\