struct _Alpha_OpReg_Format {
unsigned long Rc : 5;/* 0x0:0 4 */
unsigned long Function : 7;/* 0x0:5 4 */
unsigned long RbvType : 1;/* 0x0:12 4 */
unsigned long SBZ : 3;/* 0x0:13 4 */
unsigned long Rb : 5;/* 0x0:16 4 */
unsigned long Ra : 5;/* 0x0:21 4 */
unsigned long Opcode : 6;/* 0x0:26 4 */
};
/* source: Windows 2000 RC2 DDK Alpha libcntpr.lib CodeView type records; build 2128 per the DDK's ntverp.h */