android ndk CPUs and Architectures

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于 2015-10-10 14:06:22 发布

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分类专栏： ndk 文章标签： ndk

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本文介绍如何使用NDK针对特定的CPU架构进行编译，包括ARM家族、NEON、x86(32位和64位)及MIPS等，并提供关于如何利用cpufeatures库查询CPU特性的信息。

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CPUs and Architectures cpu和架构

When you're working with native code, hardware matters. The NDK lets you ensure you're compiling for the right architectures and CPUs by giving you a variety of ABIs from which to choose.

This section begins by explaining how to target specific architectures and CPUs. It then provides information you need to know when targeting the ARM family of CPUs and architectures. Next, it provides information about the other CPUs and architectures that it supports: NEON, x86 (32-bit and 64-bit), and MIPS. Finally, it explains how to use the cpufeatures library, which your app can use to query a given CPU and architecture about the optional features they support.