/* const-wide/high16 vAA, #+BBBB000000000000 */
    FETCH r1, 1                         @ r1<- 0000BBBB (zero-extended)
    mov     r3, rINST, lsr #8           @ r3<- AA
    mov     r0, #0                      @ r0<- 00000000
    mov     r1, r1, lsl #16             @ r1<- BBBB0000
    FETCH_ADVANCE_INST 2                @ advance rPC, load rINST
    CLEAR_SHADOW_PAIR r3, r0, r2        @ Zero shadow regs
    VREG_INDEX_TO_ADDR r3, r3           @ r3<- &fp[AA]
    GET_INST_OPCODE ip                  @ extract opcode from rINST
    stmia   r3, {r0-r1}                 @ vAA<- r0/r1
    GOTO_OPCODE ip                      @ jump to next instruction