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https://github.com/google/cpu_features.git
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a6bf4f9031
* Add Windows Arm64 support To add Windows Arm64 support was added detection of features via Windows API function IsProcessorFeaturePresent. Added _M_ARM64 to detect CPU_FEATURES_AARCH64 macro on Windows. Added initial code for Windows Arm64 testing and provided test for Raspberry PI 4. We can't use "define_introspection_and_hwcaps.inl" as a common file for all operating systems due to msvc compiler error C2099: initializer is not a constant, so as a workaround for Windows I used separate "define_introspection.inl" See also: #268, #284, #186 * [CMake] Add windows_utils.h to PROCESSOR_IS_AARCH64 * Add detection of armv8.1 atomic instructions * Update note on win-arm64 implementation and move to cpuinfo_aarch64.h * Remove redundant #ifdef CPU_FEATURES_OS_WINDOWS * Add note on FP/SIMD and Cryptographic Extension for win-arm64 * Add comments to Aarch64Info fields Added comments to specify that implementer, part and variant we set 0 for Windows, since Win API does not provide a way to get information. For revision added comment that we use GetNativeSystemInfo
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CPU_FEATURES_INCLUDE_INTERNAL_WINDOWS_UTILS_H_
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#define CPU_FEATURES_INCLUDE_INTERNAL_WINDOWS_UTILS_H_
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#include "cpu_features_macros.h"
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#ifdef CPU_FEATURES_OS_WINDOWS
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#include <windows.h> // IsProcessorFeaturePresent
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// modern WinSDK winnt.h contains newer features detection definitions
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#if !defined(PF_SSSE3_INSTRUCTIONS_AVAILABLE)
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#define PF_SSSE3_INSTRUCTIONS_AVAILABLE 36
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#endif
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#if !defined(PF_SSE4_1_INSTRUCTIONS_AVAILABLE)
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#define PF_SSE4_1_INSTRUCTIONS_AVAILABLE 37
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#endif
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#if !defined(PF_SSE4_2_INSTRUCTIONS_AVAILABLE)
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#define PF_SSE4_2_INSTRUCTIONS_AVAILABLE 38
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#endif
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#if !defined(PF_ARM_VFP_32_REGISTERS_AVAILABLE)
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#define PF_ARM_VFP_32_REGISTERS_AVAILABLE 18
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#endif
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#if !defined(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_NEON_INSTRUCTIONS_AVAILABLE 19
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#endif
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#if !defined(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE 30
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#endif
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#if !defined(PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE 31
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#endif
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#if !defined(PF_ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE 34
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#endif
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#if !defined(PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE 43
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#endif
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#if !defined(PF_ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE 44
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#endif
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#if !defined(PF_ARM_V83_LRCPC_INSTRUCTIONS_AVAILABLE)
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#define PF_ARM_V83_LRCPC_INSTRUCTIONS_AVAILABLE 45
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#endif
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#endif // CPU_FEATURES_OS_WINDOWS
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#endif // CPU_FEATURES_INCLUDE_INTERNAL_WINDOWS_UTILS_H_
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