gzdoom/src/x86.h

#ifndef X86_H
#define X86_H

struct CPUInfo	// 92 bytes
{
	char VendorID[16];
	char CPUString[48];

	BYTE Stepping;
	BYTE Model;
	BYTE Family;
	BYTE Type;

	BYTE BrandIndex;
	BYTE CLFlush;
	BYTE CPUCount;
	BYTE APICID;

	DWORD bSSE3:1;
	DWORD DontCare1:8;
	DWORD bSSSE3:1;
	DWORD DontCare1a:9;
	DWORD bSSE41:1;
	DWORD bSSE42:1;
	DWORD DontCare2a:11;

	DWORD bFPU:1;
	DWORD bVME:1;
	DWORD bDE:1;
	DWORD bPSE:1;
	DWORD bRDTSC:1;
	DWORD bMSR:1;
	DWORD bPAE:1;
	DWORD bMCE:1;
	DWORD bCX8:1;
	DWORD bAPIC:1;
	DWORD bReserved1:1;
	DWORD bSEP:1;
	DWORD bMTRR:1;
	DWORD bPGE:1;
	DWORD bMCA:1;
	DWORD bCMOV:1;
	DWORD bPAT:1;
	DWORD bPSE36:1;
	DWORD bPSN:1;
	DWORD bCFLUSH:1;
	DWORD bReserved2:1;
	DWORD bDS:1;
	DWORD bACPI:1;
	DWORD bMMX:1;
	DWORD bFXSR:1;
	DWORD bSSE:1;
	DWORD bSSE2:1;
	DWORD bSS:1;
	DWORD bHTT:1;
	DWORD bTM:1;
	DWORD bReserved3:1;
	DWORD bPBE:1;

	DWORD DontCare2:22;
	DWORD bMMXPlus:1;		// AMD's MMX extensions
	DWORD bMMXAgain:1;		// Just a copy of bMMX above
	DWORD DontCare3:6;
	DWORD b3DNowPlus:1;
	DWORD b3DNow:1;

	BYTE AMDStepping;
	BYTE AMDModel;
	BYTE AMDFamily;
	BYTE bIsAMD;

	BYTE DataL1LineSize;
	BYTE DataL1LinesPerTag;
	BYTE DataL1Associativity;
	BYTE DataL1SizeKB;
};


extern "C" CPUInfo CPU;

void CheckCPUID (CPUInfo *cpu);
void DumpCPUInfo (const CPUInfo *cpu);
void DoBlending_SSE2(const PalEntry *from, PalEntry *to, int count, int r, int g, int b, int a);

#endif