TAGACC_SHIFT
#define TAGACC_CTX_LSHIFT (64 - TAGACC_SHIFT)
srlx tmp2, TAGACC_SHIFT, tmp2 ;\
sllx tmp2, TAGACC_SHIFT, tmp2 /* tmp2 = VA */ ;\
#define TAGACC_CTX_LSHIFT (64 - TAGACC_SHIFT)