Symbol: REX_PREFIX
usr/src/cmd/sgs/libld/common/machrel.amd.c
538
#define REX_RW (REX_PREFIX | REX_R | REX_W)
usr/src/cmd/sgs/libld/common/machrel.amd.c
539
#define REX_BW (REX_PREFIX | REX_B | REX_W)
usr/src/cmd/sgs/libld/common/machrel.amd.c
540
#define REX_BRW (REX_PREFIX | REX_B | REX_R | REX_W)