+ mtspr 9, 3 # move r3 to CTR
+ addi 0,0,0 # initialise r0 to zero
+L1: # chr-copy loop starts here:
+ setvl 1,0,64,0,1,1 # VL,r1 = MIN(CTR,MVL=64)
+ # load VL bytes (update r10 addr)
+ sv.lbzu/pi *16, 1(10)
+ sv.cmpi/ff=eq/vli *0,1,*16,0 # cmp 0, chop VL
+ # store VL bytes (update r12 addr)
+ sv.stbu/pi *16, 1(12)
+ sv.bc/all 0, *2, L1 # stop if cmpi failed
+L2: # zeroing loop starts here:
+ setvl 1,0,64,0,1,1 # VL,r1 = MIN(CTR,MVL=64)
+ # store VL zeros (update r12 addr)
+ sv.stbu/pi 0, 1(12)
+ sv.bc 16, *0, L2 # dec CTR by VL