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[未解决,已结帖]
[求助]ushll.2d v3, v3, #0x0这个指令是怎么运算的
50.00雪花
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发表于:
2020-1-15 09:23
1855
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[未解决,已结帖] [求助]ushll.2d v3, v3, #0x0这个指令是怎么运算的
50.00雪花
情况1:指令执行前
v3 = {0x00 0x00 0x00 0x00 0x20 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}
指令执行后
v3 = {0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x20 0x00 0x00 0x00 0x00 0x00 0x00 0x00}
情况2:
指令执行前
v3 = {0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}
指令执行后
v3 = {0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}
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