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中文社区论区
有没有人总结过ARMv7和ARMv8的区别?
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Processor
chinese
Armv7
big.LITTLE
instruction_set
Armv8
NEON
中文
处理器
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有没有人总结过ARMv7和ARMv8的区别?
Lu Wenjin
over 10 years ago
要公开的资料,不要内部的Confidential信息
Top replies
Shi Qinghao
over 10 years ago
in reply to
George Wang
+1
verified
总结的很不错,就George同学的总结,补充一下跟V7的对比 特性 ARM V8 ARM V7 指令集 64位指令集 AArch64, 并且兼容32位指令集 AArch32 32位指令集 A32 和16位指令集 T16 支持地址长度 64位 32位 通用寄存器 31个 x0-x30(64位)或者 w0-w30(32位) 15个, r0-r14 (32位) 异常模式 4层结构 EL0-EL3 2层结构vector...
Zenon Xiu (修志龙)
over 3 years ago
in reply to
czwei
+1
aarch32 NEON可以兼容armv7-a NEON, 性能差异主要取决于处理器的微构架设计。
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zhizhou
over 10 years ago
in reply to
chinatiger
指令集上,少了很多条件指令
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zhizhou
over 10 years ago
in reply to
chinatiger
指令集上,少了很多条件指令
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