blob: f5be44451eaf94fce24ec9a4a17ed3aa9d52aaf7 [file] [log] [blame] [edit]
// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef sw_CPUID_hpp
#define sw_CPUID_hpp
namespace sw {
#if !defined(__i386__) && defined(_M_IX86)
# define __i386__ 1
#endif
#if !defined(__x86_64__) && (defined(_M_AMD64) || defined(_M_X64))
# define __x86_64__ 1
#endif
class CPUID
{
public:
static bool supportsMMX();
static bool supportsCMOV();
static bool supportsMMX2(); // MMX instructions added by SSE: pshufw, pmulhuw, pmovmskb, pavgw/b, pextrw, pinsrw, pmaxsw/ub, etc.
static bool supportsSSE();
static bool supportsSSE2();
static bool supportsSSE3();
static bool supportsSSSE3();
static bool supportsSSE4_1();
static int coreCount();
static int processAffinity();
static void setFlushToZero(bool enable); // Denormal results are written as zero
static void setDenormalsAreZero(bool enable); // Denormal inputs are read as zero
};
} // namespace sw
#endif // sw_CPUID_hpp