IA-32, Intel(R) 64 and IA-64 Architecture 的含义

最新推荐文章于 2021-10-10 04:48:47 发布

leolinux

最新推荐文章于 2021-10-10 04:48:47 发布

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本文介绍了Intel支持的三种主要架构：IA-32、Intel 64和IA-64，分别对应32位和64位的不同处理器类型及操作系统组合。IA-32适用于32位处理器和操作系统，Intel 64是在IA-32基础上增加了64位扩展，而IA-64则基于Itanium处理器。

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http://software.intel.com/en-us/articles/ia-32-intelr-64-ia-64-architecture-mean/

Intel® compilers and libraries support three platforms: general combinations of processor architecture and operating system type. This section explains the terms that Intel uses to describe the platforms in its documentation, installation procedures and support site.

IA-32 Architecture refers to systems based on 32-bit processors generally compatible with the Intel Pentium® II processor, (for example, Intel® Pentium® 4 processor or Intel® Xeon® processor), or processors from other manufacturers supporting the same instruction set, running a 32-bit operating system.

Intel® 64 Architecture refers to systems based on IA-32 architecture processors which have 64-bit architectural extensions, for example, Intel® Core^TM 2 processor family), running a 64-bit operating system such as Microsoft Windows XP* Professional x64 Edition or Microsoft Windows Vista* x64. If the system is running a 32-bit version of the Windows operating system, then IA-32 architecture applies instead. Systems based on AMD* processors running a 64-bit version of Windows are also supported by Intel compilers for Intel® 64 architecture applications.

IA-64 Architecture refers to systems based on the Intel® Itanium® processor running a 64-bit operating system.