1    /* const/4 vA, #+B */
2    movsx   rINSTbl, %eax                   # eax <-ssssssBx
3    movl    $$0xf, rINST
4    andl    %eax, rINST                     # rINST <- A
5    sarl    $$4, %eax
6    SET_VREG %eax, rINST
7    ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
8