ldrsh r2, [lr, # 2] @ r2 = 'd2'
@ Optimization for row that have all items except the first set to 0
- @ (this works as the DCTELEMS are always 4-byte aligned)
+ @ (this works as the int16_t are always 4-byte aligned)
ldr r5, [lr, # 0]
ldr r6, [lr, # 4]
ldr r3, [lr, # 8]