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/****************************************************************************
**
** Copyright (C) 2022 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsimd_x86_p.h"
static const char features_string[] =
" sse2\0"
" sse3\0"
" ssse3\0"
" fma\0"
" sse4.1\0"
" sse4.2\0"
" movbe\0"
" popcnt\0"
" aes\0"
" avx\0"
" f16c\0"
" rdrnd\0"
" bmi\0"
" avx2\0"
" bmi2\0"
" avx512f\0"
" avx512dq\0"
" rdseed\0"
" avx512ifma\0"
" avx512cd\0"
" sha\0"
" avx512bw\0"
" avx512vl\0"
" avx512vbmi\0"
" avx512vbmi2\0"
" shstk\0"
" gfni\0"
" vaes\0"
" avx512vnni\0"
" avx512bitalg\0"
" avx512vpopcntdq\0"
" hybrid\0"
" ibt\0"
" avx512fp16\0"
"\0";
static const uint16_t features_indices[] = {
0, 6, 12, 19, 24, 32, 40, 47,
55, 60, 65, 71, 78, 83, 89, 95,
104, 114, 122, 134, 144, 149, 159, 169,
181, 194, 201, 207, 213, 225, 239, 256,
264, 269,
};
enum X86CpuidLeaves {
Leaf01EDX,
Leaf01ECX,
Leaf07_00EBX,
Leaf07_00ECX,
Leaf07_00EDX,
Leaf07_01EAX,
Leaf13_01EAX,
Leaf80000001hECX,
Leaf80000008hEBX,
X86CpuidMaxLeaf
};
static const uint16_t x86_locators[] = {
Leaf01EDX*32 + 26, // sse2
Leaf01ECX*32 + 0, // sse3
Leaf01ECX*32 + 9, // ssse3
Leaf01ECX*32 + 12, // fma
Leaf01ECX*32 + 19, // sse4.1
Leaf01ECX*32 + 20, // sse4.2
Leaf01ECX*32 + 22, // movbe
Leaf01ECX*32 + 23, // popcnt
Leaf01ECX*32 + 25, // aes
Leaf01ECX*32 + 28, // avx
Leaf01ECX*32 + 29, // f16c
Leaf01ECX*32 + 30, // rdrnd
Leaf07_00EBX*32 + 3, // bmi
Leaf07_00EBX*32 + 5, // avx2
Leaf07_00EBX*32 + 8, // bmi2
Leaf07_00EBX*32 + 16, // avx512f
Leaf07_00EBX*32 + 17, // avx512dq
Leaf07_00EBX*32 + 18, // rdseed
Leaf07_00EBX*32 + 21, // avx512ifma
Leaf07_00EBX*32 + 28, // avx512cd
Leaf07_00EBX*32 + 29, // sha
Leaf07_00EBX*32 + 30, // avx512bw
Leaf07_00EBX*32 + 31, // avx512vl
Leaf07_00ECX*32 + 1, // avx512vbmi
Leaf07_00ECX*32 + 6, // avx512vbmi2
Leaf07_00ECX*32 + 7, // shstk
Leaf07_00ECX*32 + 8, // gfni
Leaf07_00ECX*32 + 9, // vaes
Leaf07_00ECX*32 + 11, // avx512vnni
Leaf07_00ECX*32 + 12, // avx512bitalg
Leaf07_00ECX*32 + 14, // avx512vpopcntdq
Leaf07_00EDX*32 + 15, // hybrid
Leaf07_00EDX*32 + 20, // ibt
Leaf07_00EDX*32 + 23, // avx512fp16
};
struct X86Architecture
{
uint64_t features;
char name[17 + 1];
};
static const struct X86Architecture x86_architectures[] = {
{ cpu_sapphirerapids, "Sapphire Rapids" },
{ cpu_tigerlake, "Tiger Lake" },
{ cpu_icelake_server, "Ice Lake (Server)" },
{ cpu_icelake_client, "Ice Lake (Client)" },
{ cpu_alderlake, "Alder Lake" },
{ cpu_cannonlake, "Cannon Lake" },
{ cpu_cooperlake, "Cooper Lake" },
{ cpu_cascadelake, "Cascade Lake" },
{ cpu_skylake_avx512, "Skylake (Avx512)" },
{ cpu_skylake, "Skylake" },
{ cpu_tremont, "Tremont" },
{ cpu_broadwell, "Broadwell" },
{ cpu_haswell, "Haswell" },
{ cpu_goldmont, "Goldmont" },
{ cpu_ivybridge, "Ivy Bridge" },
{ cpu_silvermont, "Silvermont" },
{ cpu_sandybridge, "Sandy Bridge" },
{ cpu_westmere, "Westmere" },
{ cpu_core2, "Core2" },
};
enum XSaveBits {
XSave_X87 = 0x0001, // X87 and MMX state
XSave_SseState = 0x0002, // SSE: 128 bits of XMM registers
XSave_Ymm_Hi128 = 0x0004, // AVX: high 128 bits in YMM registers
XSave_Bndregs = 0x0008, // Memory Protection Extensions
XSave_Bndcsr = 0x0010, // Memory Protection Extensions
XSave_OpMask = 0x0020, // AVX512: k0 through k7
XSave_Zmm_Hi256 = 0x0040, // AVX512: high 256 bits of ZMM0-15
XSave_Hi16_Zmm = 0x0080, // AVX512: all 512 bits of ZMM16-31
XSave_PTState = 0x0100, // Processor Trace
XSave_PKRUState = 0x0200, // Protection Key
XSave_CetUState = 0x0800, // CET: user mode
XSave_CetSState = 0x1000, // CET: supervisor mode
XSave_HdcState = 0x2000, // Hardware Duty Cycle
XSave_UintrState = 0x4000, // User Interrupts
XSave_HwpState = 0x10000, // Hardware P-State
XSave_Xtilecfg = 0x20000, // AMX: XTILECFG register
XSave_Xtiledata = 0x40000, // AMX: data in the tiles
XSave_AvxState = XSave_SseState | XSave_Ymm_Hi128,
XSave_MPXState = XSave_Bndregs | XSave_Bndcsr,
XSave_Avx512State = XSave_AvxState | XSave_OpMask | XSave_Zmm_Hi256 | XSave_Hi16_Zmm,
XSave_CetState = XSave_CetUState | XSave_CetSState,
XSave_AmxState = XSave_Xtilecfg | XSave_Xtiledata,
};
// List of features requiring XSave_AvxState
static const uint64_t XSaveReq_AvxState = 0
| cpu_feature_fma
| cpu_feature_avx
| cpu_feature_f16c
| cpu_feature_avx2
| cpu_feature_avx512f
| cpu_feature_avx512dq
| cpu_feature_avx512ifma
| cpu_feature_avx512cd
| cpu_feature_avx512bw
| cpu_feature_avx512vl
| cpu_feature_avx512vbmi
| cpu_feature_avx512vbmi2
| cpu_feature_vaes
| cpu_feature_avx512vnni
| cpu_feature_avx512bitalg
| cpu_feature_avx512vpopcntdq
| cpu_feature_avx512fp16;
// List of features requiring XSave_Avx512State
static const uint64_t XSaveReq_Avx512State = 0
| cpu_feature_avx512f
| cpu_feature_avx512dq
| cpu_feature_avx512ifma
| cpu_feature_avx512cd
| cpu_feature_avx512bw
| cpu_feature_avx512vl
| cpu_feature_avx512vbmi
| cpu_feature_avx512vbmi2
| cpu_feature_avx512vnni
| cpu_feature_avx512bitalg
| cpu_feature_avx512vpopcntdq
| cpu_feature_avx512fp16;
// List of features requiring XSave_CetState
static const uint64_t XSaveReq_CetState = 0
| cpu_feature_shstk;
struct XSaveRequirementMapping
{
uint64_t cpu_features;
uint64_t xsave_state;
};
static const struct XSaveRequirementMapping xsave_requirements[] = {
{ XSaveReq_AvxState, XSave_AvxState },
{ XSaveReq_Avx512State, XSave_Avx512State },
{ XSaveReq_CetState, XSave_CetState },
};
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