/*
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Copyright Charly Chevalier 2015
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Copyright Joel Falcou 2015
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H
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#define BOOST_PREDEF_HARDWARE_SIMD_X86_AMD_H
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#include <boost/predef/version_number.h>
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#include <boost/predef/hardware/simd/x86_amd/versions.h>
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/* tag::reference[]
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= `BOOST_HW_SIMD_X86_AMD`
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The SIMD extension for x86 (AMD) (*if detected*).
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Version number depends on the most recent detected extension.
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[options="header"]
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|===
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| {predef_symbol} | {predef_version}
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| `+__SSE4A__+` | {predef_detection}
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| `+__FMA4__+` | {predef_detection}
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| `+__XOP__+` | {predef_detection}
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| `BOOST_HW_SIMD_X86` | {predef_detection}
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|===
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[options="header"]
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|===
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| {predef_symbol} | {predef_version}
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| `+__SSE4A__+` | BOOST_HW_SIMD_X86_SSE4A_VERSION
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| `+__FMA4__+` | BOOST_HW_SIMD_X86_FMA4_VERSION
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| `+__XOP__+` | BOOST_HW_SIMD_X86_XOP_VERSION
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| `BOOST_HW_SIMD_X86` | BOOST_HW_SIMD_X86
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|===
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NOTE: This predef includes every other x86 SIMD extensions and also has other
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more specific extensions (FMA4, XOP, SSE4a). You should use this predef
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instead of `BOOST_HW_SIMD_X86` to test if those specific extensions have
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been detected.
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*/ // end::reference[]
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#define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE
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// AMD CPUs also use x86 architecture. We first try to detect if any AMD
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// specific extension are detected, if yes, then try to detect more recent x86
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// common extensions.
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#undef BOOST_HW_SIMD_X86_AMD
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#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__XOP__)
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# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_XOP_VERSION
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#endif
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#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__FMA4__)
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# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_FMA4_VERSION
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#endif
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#if !defined(BOOST_HW_SIMD_X86_AMD) && defined(__SSE4A__)
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# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86_AMD_SSE4A_VERSION
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#endif
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#if !defined(BOOST_HW_SIMD_X86_AMD)
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# define BOOST_HW_SIMD_X86_AMD BOOST_VERSION_NUMBER_NOT_AVAILABLE
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#else
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// At this point, we know that we have an AMD CPU, we do need to check for
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// other x86 extensions to determine the final version number.
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# include <boost/predef/hardware/simd/x86.h>
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# if BOOST_HW_SIMD_X86 > BOOST_HW_SIMD_X86_AMD
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# undef BOOST_HW_SIMD_X86_AMD
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# define BOOST_HW_SIMD_X86_AMD BOOST_HW_SIMD_X86
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# endif
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# define BOOST_HW_SIMD_X86_AMD_AVAILABLE
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#endif
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#define BOOST_HW_SIMD_X86_AMD_NAME "x86 (AMD) SIMD"
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#endif
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#include <boost/predef/detail/test.h>
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BOOST_PREDEF_DECLARE_TEST(BOOST_HW_SIMD_X86_AMD, BOOST_HW_SIMD_X86_AMD_NAME)
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