Src:
.long 1,2,3,4,5,6,7,8,9,0xA,0xB,0xC,0xD,0xE,0xF,0x10
.long 1,2,3,4,5,6,7,8,9,0xA,0xB,0xC,0xD,0xE,0xF,0x10
src_num: .long 32
Dst:
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
使用arm指令,从src拷贝到dst中,以6个字为单位进行块拷贝,不足6个字则以字为单位进行拷贝,src_num位源数据个数
2、将一个存放在[R1:R0]中的64位数据(R1位高32位)的高位和低位堆成换位,如第0位与第63位调换,第一位与第62位调换,。。。。。。写出程序
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