timesoftfloat.c

来自「sun2,sun3,sparcstation2 emulator」· C语言 代码 · 共 2,016 行 · 第 1/5 页

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static void time_a_float64_z_float128( float128 function( float64 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            function( inputs_float64[ inputNum ] );
            inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        function( inputs_float64[ inputNum ] );
        inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

#endif

static void time_az_float64( float64 function( float64 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            function( inputs_float64[ inputNum ] );
            inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        function( inputs_float64[ inputNum ] );
        inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static void time_ab_float64_z_flag( flag function( float64, float64 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNumA, inputNumB;

    count = 0;
    inputNumA = 0;
    inputNumB = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            function(
                inputs_float64[ inputNumA ], inputs_float64[ inputNumB ] );
            inputNumA = ( inputNumA + 1 ) & ( numInputs_float64 - 1 );
            if ( inputNumA == 0 ) ++inputNumB;
            inputNumB = ( inputNumB + 1 ) & ( numInputs_float64 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNumA = 0;
    inputNumB = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
            function(
                inputs_float64[ inputNumA ], inputs_float64[ inputNumB ] );
        inputNumA = ( inputNumA + 1 ) & ( numInputs_float64 - 1 );
        if ( inputNumA == 0 ) ++inputNumB;
        inputNumB = ( inputNumB + 1 ) & ( numInputs_float64 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static void time_abz_float64( float64 function( float64, float64 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNumA, inputNumB;

    count = 0;
    inputNumA = 0;
    inputNumB = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            function(
                inputs_float64[ inputNumA ], inputs_float64[ inputNumB ] );
            inputNumA = ( inputNumA + 1 ) & ( numInputs_float64 - 1 );
            if ( inputNumA == 0 ) ++inputNumB;
            inputNumB = ( inputNumB + 1 ) & ( numInputs_float64 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNumA = 0;
    inputNumB = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
            function(
                inputs_float64[ inputNumA ], inputs_float64[ inputNumB ] );
        inputNumA = ( inputNumA + 1 ) & ( numInputs_float64 - 1 );
        if ( inputNumA == 0 ) ++inputNumB;
        inputNumB = ( inputNumB + 1 ) & ( numInputs_float64 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static const float64 inputs_float64_pos[ numInputs_float64 ] = {
    LIT64( 0x422FFFC008000000 ),
    LIT64( 0x37E0000480000000 ),
    LIT64( 0x73FD2546120B7935 ),
    LIT64( 0x3FF0000000000000 ),
    LIT64( 0x4E07F766F09588D6 ),
    LIT64( 0x0000000000000000 ),
    LIT64( 0x3FCE000400000000 ),
    LIT64( 0x0313B60F0032BED8 ),
    LIT64( 0x41EFFFFFC0002000 ),
    LIT64( 0x3FB3C75D224F2B0F ),
    LIT64( 0x7FD00000004000FF ),
    LIT64( 0x212FFF8000001FFF ),
    LIT64( 0x3EE0000000FE0000 ),
    LIT64( 0x0010000080000004 ),
    LIT64( 0x41CFFFFE00000020 ),
    LIT64( 0x40303FFFFFFFFFFD ),
    LIT64( 0x3FD000003FEFFFFF ),
    LIT64( 0x3FD0000010000000 ),
    LIT64( 0x37FC6B5C16CA55CF ),
    LIT64( 0x413EEB940B9D1301 ),
    LIT64( 0x47E00200001FFFFF ),
    LIT64( 0x47F00021FFFFFFFE ),
    LIT64( 0x3FFFFFFFF80000FF ),
    LIT64( 0x407FFFFFE00FFFFF ),
    LIT64( 0x001497A63740C5E8 ),
    LIT64( 0x44BFFFE0001FFFFF ),
    LIT64( 0x16FFDFFEFFFFFFFF ),
    LIT64( 0x403FC000000001FE ),
    LIT64( 0x7FD00000000001F6 ),
    LIT64( 0x0640400002000000 ),
    LIT64( 0x479CEE1E4F789FE0 ),
    LIT64( 0x4237FFFFFFFFFDFE )
};

static void time_az_float64_pos( float64 function( float64 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            function( inputs_float64_pos[ inputNum ] );
            inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        function( inputs_float64_pos[ inputNum ] );
        inputNum = ( inputNum + 1 ) & ( numInputs_float64 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

#ifdef FLOATX80

enum {
    numInputs_floatx80 = 32
};

static const struct {
    bits16 high;
    bits64 low;
} inputs_floatx80[ numInputs_floatx80 ] = {
    { 0xC03F, LIT64( 0xA9BE15A19C1E8B62 ) },
    { 0x8000, LIT64( 0x0000000000000000 ) },
    { 0x75A8, LIT64( 0xE59591E4788957A5 ) },
    { 0xBFFF, LIT64( 0xFFF0000000000040 ) },
    { 0x0CD8, LIT64( 0xFC000000000007FE ) },
    { 0x43BA, LIT64( 0x99A4000000000000 ) },
    { 0x3FFF, LIT64( 0x8000000000000000 ) },
    { 0x4081, LIT64( 0x94FBF1BCEB5545F0 ) },
    { 0x403E, LIT64( 0xFFF0000000002000 ) },
    { 0x3FFE, LIT64( 0xC860E3C75D224F28 ) },
    { 0x407E, LIT64( 0xFC00000FFFFFFFFE ) },
    { 0x737A, LIT64( 0x800000007FFDFFFE ) },
    { 0x4044, LIT64( 0xFFFFFF80000FFFFF ) },
    { 0xBBFE, LIT64( 0x8000040000001FFE ) },
    { 0xC002, LIT64( 0xFF80000000000020 ) },
    { 0xDE8D, LIT64( 0xFFFFFFFFFFE00004 ) },
    { 0xC004, LIT64( 0x8000000000003FFB ) },
    { 0x407F, LIT64( 0x800000000003FFFE ) },
    { 0xC000, LIT64( 0xA459EE6A5C16CA55 ) },
    { 0x8003, LIT64( 0xC42CBF7399AEEB94 ) },
    { 0xBF7F, LIT64( 0xF800000000000006 ) },
    { 0xC07F, LIT64( 0xBF56BE8871F28FEA ) },
    { 0xC07E, LIT64( 0xFFFF77FFFFFFFFFE ) },
    { 0xADC9, LIT64( 0x8000000FFFFFFFDE ) },
    { 0xC001, LIT64( 0xEFF7FFFFFFFFFFFF ) },
    { 0x4001, LIT64( 0xBE84F30125C497A6 ) },
    { 0xC06B, LIT64( 0xEFFFFFFFFFFFFFFF ) },
    { 0x4080, LIT64( 0xFFFFFFFFBFFFFFFF ) },
    { 0x87E9, LIT64( 0x81FFFFFFFFFFFBFF ) },
    { 0xA63F, LIT64( 0x801FFFFFFEFFFFFE ) },
    { 0x403C, LIT64( 0x801FFFFFFFF7FFFF ) },
    { 0x4018, LIT64( 0x8000000000080003 ) }
};

static void time_a_floatx80_z_int32( int32 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            a.low = inputs_floatx80[ inputNum ].low;
            a.high = inputs_floatx80[ inputNum ].high;
            function( a );
            inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        a.low = inputs_floatx80[ inputNum ].low;
        a.high = inputs_floatx80[ inputNum ].high;
        function( a );
        inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static void time_a_floatx80_z_int64( int64 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            a.low = inputs_floatx80[ inputNum ].low;
            a.high = inputs_floatx80[ inputNum ].high;
            function( a );
            inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        a.low = inputs_floatx80[ inputNum ].low;
        a.high = inputs_floatx80[ inputNum ].high;
        function( a );
        inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static void time_a_floatx80_z_float32( float32 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            a.low = inputs_floatx80[ inputNum ].low;
            a.high = inputs_floatx80[ inputNum ].high;
            function( a );
            inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        a.low = inputs_floatx80[ inputNum ].low;
        a.high = inputs_floatx80[ inputNum ].high;
        function( a );
        inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

static void time_a_floatx80_z_float64( float64 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            a.low = inputs_floatx80[ inputNum ].low;
            a.high = inputs_floatx80[ inputNum ].high;
            function( a );
            inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        a.low = inputs_floatx80[ inputNum ].low;
        a.high = inputs_floatx80[ inputNum ].high;
        function( a );
        inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

#ifdef FLOAT128

static void time_a_floatx80_z_float128( float128 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;

    count = 0;
    inputNum = 0;
    startClock = clock();
    do {
        for ( i = minIterations; i; --i ) {
            a.low = inputs_floatx80[ inputNum ].low;
            a.high = inputs_floatx80[ inputNum ].high;
            function( a );
            inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
        }
        count += minIterations;
    } while ( clock() - startClock < CLOCKS_PER_SEC );
    inputNum = 0;
    startClock = clock();
    for ( i = count; i; --i ) {
        a.low = inputs_floatx80[ inputNum ].low;
        a.high = inputs_floatx80[ inputNum ].high;
        function( a );
        inputNum = ( inputNum + 1 ) & ( numInputs_floatx80 - 1 );
    }
    endClock = clock();
    reportTime( count, endClock - startClock );

}

#endif

static void time_az_floatx80( floatx80 function( floatx80 ) )
{
    clock_t startClock, endClock;
    int32 count, i;
    int8 inputNum;
    floatx80 a;
12345

timesoftfloat.c - 源码说明

本页面展示了「sun2,sun3,sparcstation2 emulator」中的 timesoftfloat.c 源码文件，采用 C语言 编程语言编写，共 2,016 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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