mmx指令检测.rar_mmx

// mmxtestDlg.cpp : implementation file // #include "stdafx.h" #include "mmxtest.h" #include "mmxtestDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMmxtestDlg dialog CMmxtestDlg::CMmxtestDlg(CWnd* pParent /*=NULL*/) : CDialog(CMmxtestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMmxtestDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CMmxtestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMmxtestDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMmxtestDlg, CDialog) //{{AFX_MSG_MAP(CMmxtestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnButton1) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMmxtestDlg message handlers BOOL CMmxtestDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here return TRUE; // return TRUE unless you set the focus to a control } void CMmxtestDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CMmxtestDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CMmxtestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMmxtestDlg::OnButton1() { __int8 i8_a[2][16]; //字节操作数，两组，每组16个 __int16 i16_a[8]; //字操作数 __int32 i32_a[4]; __int64 i64_a[2]; LONGLONG lcount1,lcount2; i64_a[0]=0; i64_a[1]=0; i32_a[0]=1000; i32_a[1]=1000; i32_a[2]=3; i32_a[3]=4; i16_a[0]=10; i16_a[1]=20; i16_a[2]=30; i16_a[3]=40; i16_a[4]=50; i16_a[5]=60; i16_a[6]=70; i16_a[7]=80; i8_a[0][0]=1; i8_a[0][1]=1; i8_a[0][2]=1; i8_a[0][3]=1; i8_a[0][4]=1; i8_a[0][5]=1; i8_a[0][6]=1; i8_a[0][7]=1; i8_a[0][8]=1; i8_a[0][9]=1; i8_a[0][10]=1; i8_a[0][11]=1; i8_a[0][12]=1; i8_a[0][13]=1; i8_a[0][14]=1; i8_a[0][15]=1; i8_a[1][0]=2; i8_a[1][1]=2; i8_a[1][2]=2; i8_a[1][3]=2; i8_a[1][4]=2; i8_a[1][5]=2; i8_a[1][6]=2; i8_a[1][7]=2; i8_a[1][8]=2; i8_a[1][9]=2; i8_a[1][10]=2; i8_a[1][11]=2; i8_a[1][12]=2; i8_a[1][13]=2; i8_a[1][14]=2; i8_a[1][15]=2; __asm{ movq mm1,[i64_a] movq mm2,[i64_a] movq mm2, [i32_a+8] psubd mm2, [i32_a] movq [i32_a],mm2 movq mm1,[i16_a] paddsw mm1,[i16_a+8] movq [i16_a],mm1 movq mm1,[i8_a] movq mm2,[i8_a+8] paddb mm1,[i8_a+16] paddb mm2,[i8_a+24] movq [i8_a],mm1 movq [i8_a+8],mm2 movq lcount1,mm1 movq lcount2,mm2 emms //最后清除MMX状态寄存器，正确返回给系统 } if(lcount1 == lcount2) { AfxMessageBox("CPU支持MMX指令集！"); } }