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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
// Copyright 2017 Google Inc.
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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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#include "internal/cpuid_x86.h"
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#if defined(CPU_FEATURES_ARCH_X86) && defined(CPU_FEATURES_COMPILER_MSC)
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#include <immintrin.h>
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#include <intrin.h> // For __cpuidex()
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Leaf CpuId(uint32_t leaf_id) {
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Leaf leaf;
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int data[4];
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__cpuid(data, leaf_id);
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leaf.eax = data[0];
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leaf.ebx = data[1];
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leaf.ecx = data[2];
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leaf.edx = data[3];
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return leaf;
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}
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uint32_t GetXCR0Eax(void) { return _xgetbv(0); }
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#endif // defined(CPU_FEATURES_ARCH_X86) && defined(CPU_FEATURES_COMPILER_MSC)
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