Xcode arm64与arm64e [英] Xcode arm64 Vs arm64e

问题描述

Xcode 10.1提及对arm64e的支持(预览).任何人都对arm64e有任何想法.arm64和arm64e之间的任何区别.

Xcode 10.1 mention Support for arm64e (Preview). Anyone have any idea about arm64e. Any difference between arm64 and arm64e.

https://developer.apple.com/documentation/xcode_release_notes/xcode_10_1_beta_2_release_notes?language = objc

我搜索了arm64e.但是找不到适当的解释.

I searched arm64e. But couldn't found proper explanation.

推荐答案

Arm64e架构用于A12芯片组，该芯片组已添加到最新的2018 iPhone型号(XS/XS Max/XR)中.该代码编译为ARMv8.3，该版本带来了对新功能的支持.即:

The arm64e architecture is used on the A12 chipset, which is added in the latest 2018 iPhone models (XS/XS Max/XR). The code compiles to ARMv8.3, which brings support for new features. Namely:

• 指针身份验证
• 嵌套虚拟化
• 高级SIMD复数支持
• 改进的Javascript数据类型转换支持
• 更改内存一致性模型
• ID机制支持更大的系统可见缓存

A12具有Apple设计的64位ARMv8.3-A六核CPU

The A12 features an Apple-designed 64-bit ARMv8.3-A six-core CPU

https://en.wikipedia.org/wiki/Apple_A12

也可以在此处阅读有关该体系结构的更多信息:

Read more about the architecture here as well:

https://community.arm.com/processors/b/blog/posts/armv8-a-architecture-2016-additions

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