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enum class wrapper for INSTRSET macro #83

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64 changes: 64 additions & 0 deletions instrset_enum.h
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/**************************** instrset_enum.h **********************************
* Author: Agner Fog
* Date created: 2024-02-01
* Last modified: 2024-02-01
* Version: 2.02.02
* Project: vector class library
* Description:
* An `enum class` wrapper around the INSTRSET macro. This file contains:
*
* > An *instrset* `enum class`.
* > *detected_instrset* value of *instrset* corresponding to the INSTRSET macro value.
*
* For instructions, see vcl_manual.pdf
*
* � Copyright 2012-2024 Agner Fog.
* Apache License version 2.0 or later.
******************************************************************************/

#pragma once
#ifndef VECTORCLASS_instrset_enum_
#define VECTORCLASS_instrset_enum_ 20240201L

#include "instrset.h"

#ifdef VCL_NAMESPACE
namespace VCL_NAMESPACE {
#endif

// See �9.9 of https://github.com/vectorclass/manual/raw/master/vcl_manual.pdf
enum class instrset
{
X386 = 0,
SSE = 1,
SSE2 = 2,
SSE3 = 3,
SSSE3 = 4, // Supplementary SSE3
SSE4_1 = 5, // SSE4.1
SSE4_2 = 6,
AVX = 7,
AVX2 = 8,
AVX512F = 9,
AVX512VL = 10, AVX512BW = 10, AVX512DQ = 10,

// From **instrset.h**: "In the future, INSTRSET = 11 may include AVX512VBMI and AVX512VBMI2 ..."
// AVX512VBMI = 11, AVX512VBMI2 = 11,
};
constexpr auto detected_instrset = static_cast<instrset>(INSTRSET);

//// "Additional instruction set extensions are not necessarily part of a linear sequence."
//enum class instrset_extensions
//{
// FMA3,
// AVX512ER,
// AVX512VBMI,
// AVX512VBMI2,
// F16C,
// AVX512FP16
//};

#ifdef VCL_NAMESPACE
}
#endif

#endif // VECTORCLASS_instrset_enum_
3 changes: 2 additions & 1 deletion vectorclass.h
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/**************************** vectorclass.h ********************************
* Author: Agner Fog
* Date created: 2012-05-30
* Last modified: 2022-07-20
* Last modified: 2024-02-01
* Version: 2.02.00
* Project: vector class library
* Home: https://github.com/vectorclass
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// Determine instruction set, and define platform-dependent functions
#include "instrset.h" // Select supported instruction set
#include "instrset_enum.h" // `enum class` *instrset*

#if INSTRSET < 2 // instruction set SSE2 is the minimum
#error Please compile for the SSE2 instruction set or higher
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