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|
==========================
User Guide for X86 Backend
==========================
.. contents::
:local:
Introduction
============
The X86 backend provides ISA code generation for X86 CPUs. It lives in the
``lib/Target/X86`` directory.
LLVM
====
.. _x86-processors:
Processors
----------
Use the ``clang -march=<Processor>`` option to specify the X86 processor.
.. table:: X86 processors
:name: x86-processor-table
================== ===================
Processor Alternative
Name
``i386``
``i486``
``i586``
``pentium``
``pentium-mmx``
``i686``
``pentiumpro``
``pentium2``
``pentium3`` - ``pentium3m``
``pentium-m``
``pentium4`` - ``pentium4m``
``lakemont``
``yonah``
``prescott``
``nocona``
``core2``
``penryn``
``bonnell`` - ``atom``
``silvermont`` - ``slm``
``goldmont``
``nehalem`` - ``corei7``
``westmere``
``sandybridge`` - ``corei7-avx``
``ivybridge`` - ``core-avx-i``
``haswell`` - ``core-avx2``
``broadwell`` - ``skylake``
``knl``
``knm``
``skylake-avx512`` - ``skx``
``cannonlake``
``icelake``
``k6``
``k6-2``
``k6-3``
``athlon`` - ``athlon-tbird``
``athlon-4`` - ``athlon-xp``
- ``athlon-mp``
``k8`` - ``opteron``
- ``athlon64``
- ``athlon-fx``
``k8-sse3`` - ``opteron-sse3``
- ``athlon64-sse3``
``amdfam10h`` - ``barcelona``
``btver1``
``btver2``
``bdver1``
``bdver2``
``bdver3``
``bdver4``
``znver1``
``geode``
``winchip-c6``
``winchip2``
``c3``
``c3-2``
================== ===================
|
