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// 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
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// 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
#if !defined(__x86_64__) && (defined(_M_AMD64) || defined (_M_X64))
#define __x86_64__ 1
class CPUID
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 setEnableMMX(bool enable);
static void setEnableCMOV(bool enable);
static void setEnableSSE(bool enable);
static void setEnableSSE2(bool enable);
static void setEnableSSE3(bool enable);
static void setEnableSSSE3(bool enable);
static void setEnableSSE4_1(bool enable);
static void setFlushToZero(bool enable); // Denormal results are written as zero
static void setDenormalsAreZero(bool enable); // Denormal inputs are read as zero
static bool MMX;
static bool CMOV;
static bool SSE;
static bool SSE2;
static bool SSE3;
static bool SSSE3;
static bool SSE4_1;
static int cores;
static int affinity;
static bool enableMMX;
static bool enableCMOV;
static bool enableSSE;
static bool enableSSE2;
static bool enableSSE3;
static bool enableSSSE3;
static bool enableSSE4_1;
static bool detectMMX();
static bool detectCMOV();
static bool detectSSE();
static bool detectSSE2();
static bool detectSSE3();
static bool detectSSSE3();
static bool detectSSE4_1();
static int detectCoreCount();
static int detectAffinity();
namespace sw
inline bool CPUID::supportsMMX()
return MMX && enableMMX;
inline bool CPUID::supportsCMOV()
return CMOV && enableCMOV;
inline bool CPUID::supportsMMX2()
return supportsSSE(); // Coincides with 64-bit integer vector instructions supported by SSE
inline bool CPUID::supportsSSE()
return SSE && enableSSE;
inline bool CPUID::supportsSSE2()
return SSE2 && enableSSE2;
inline bool CPUID::supportsSSE3()
return SSE3 && enableSSE3;
inline bool CPUID::supportsSSSE3()
return SSSE3 && enableSSSE3;
inline bool CPUID::supportsSSE4_1()
return SSE4_1 && enableSSE4_1;
inline int CPUID::coreCount()
return cores;
inline int CPUID::processAffinity()
return affinity;
#endif // sw_CPUID_hpp