public void RunStructLclFldScenario()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));

            var test   = TestStruct.Create();
            var result = Sse2.CompareEqual(test._fld1, test._fld2);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(test._fld1, test._fld2, _dataTable.outArrayPtr);
        }
        public void RunClassLclFldScenario()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));

            var test   = new SimpleBinaryOpTest__CompareEqualUInt32();
            var result = Sse2.CompareEqual(test._fld1, test._fld2);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(test._fld1, test._fld2, _dataTable.outArrayPtr);
        }
Esempio n. 3
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        public void RunBasicScenario_LoadAligned()
        {
            var result = Sse2.CompareEqual(
                Sse2.LoadAlignedVector128((UInt16 *)(_dataTable.inArray1Ptr)),
                Sse2.LoadAlignedVector128((UInt16 *)(_dataTable.inArray2Ptr))
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
        }
Esempio n. 4
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        public void RunClsVarScenario()
        {
            var result = Sse2.CompareEqual(
                _clsVar1,
                _clsVar2
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_clsVar1, _clsVar2, _dataTable.outArrayPtr);
        }
Esempio n. 5
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        public void RunBasicScenario_UnsafeRead()
        {
            var result = Sse2.CompareEqual(
                Unsafe.Read <Vector128 <UInt16> >(_dataTable.inArray1Ptr),
                Unsafe.Read <Vector128 <UInt16> >(_dataTable.inArray2Ptr)
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
        }
Esempio n. 6
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        public void RunLclVarScenario_LoadAligned()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_LoadAligned));

            var op1    = Sse2.LoadAlignedVector128((Int32 *)(_dataTable.inArray1Ptr));
            var op2    = Sse2.LoadAlignedVector128((Int32 *)(_dataTable.inArray2Ptr));
            var result = Sse2.CompareEqual(op1, op2);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(op1, op2, _dataTable.outArrayPtr);
        }
        public void RunLclVarScenario_UnsafeRead()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));

            var left   = Unsafe.Read <Vector128 <Int32> >(_dataTable.inArray1Ptr);
            var right  = Unsafe.Read <Vector128 <Int32> >(_dataTable.inArray2Ptr);
            var result = Sse2.CompareEqual(left, right);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(left, right, _dataTable.outArrayPtr);
        }
Esempio n. 8
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        public static Vector128 <sbyte> CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(Vector128 <sbyte> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            Vector128 <sbyte> mask = Sse2.CompareLessThan(sourceValue, s_mask_SByte_0x20); // Control characters, and anything above 0x7E since sbyte.MaxValue is 0x7E

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x22));       // Quotation Mark "
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x5C));       // Reverse Solidus \

            return(mask);
        }
Esempio n. 9
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        public void RunLclVarScenario_LoadAligned()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_LoadAligned));

            var left   = Sse2.LoadAlignedVector128((Byte *)(_dataTable.inArray1Ptr));
            var right  = Sse2.LoadAlignedVector128((Byte *)(_dataTable.inArray2Ptr));
            var result = Sse2.CompareEqual(left, right);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(left, right, _dataTable.outArrayPtr);
        }
Esempio n. 10
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        public void RunLclVarScenario_UnsafeRead()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));

            var op1    = Unsafe.Read <Vector128 <Byte> >(_dataTable.inArray1Ptr);
            var op2    = Unsafe.Read <Vector128 <Byte> >(_dataTable.inArray2Ptr);
            var result = Sse2.CompareEqual(op1, op2);

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(op1, op2, _dataTable.outArrayPtr);
        }
Esempio n. 11
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        public static bool IntrinsicEquality(this float left, float right)
        {
            var vLeft  = Vector128.CreateScalarUnsafe(left).AsInt32();
            var vRight = Vector128.CreateScalarUnsafe(right).AsInt32();

            vLeft = Sse2.CompareEqual(vLeft, vRight);

            int mask = Sse.MoveMask(vLeft.AsSingle());

            return(mask == -1);
        }
Esempio n. 12
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        public static Vector128 <short> CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(Vector128 <short> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            // Space ' ', anything in the control characters range, and anything above short.MaxValue but less than or equal char.MaxValue
            Vector128 <short> mask = Sse2.CompareLessThan(sourceValue, s_mask_UInt16_0x20);

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x22)); // Quotation Mark '"'
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x5C)); // Reverse Solidus '\'

            return(mask);
        }
Esempio n. 13
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        public void RunBasicScenario_UnsafeRead()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_UnsafeRead));

            var result = Sse2.CompareEqual(
                Unsafe.Read <Vector128 <SByte> >(_dataTable.inArray1Ptr),
                Unsafe.Read <Vector128 <SByte> >(_dataTable.inArray2Ptr)
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
        }
Esempio n. 14
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        public void RunBasicScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_Load));

            var result = Sse2.CompareEqual(
                Sse2.LoadVector128((Byte *)(_dataTable.inArray1Ptr)),
                Sse2.LoadVector128((Byte *)(_dataTable.inArray2Ptr))
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
        }
Esempio n. 15
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        public void RunClsVarScenario()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunClsVarScenario));

            var result = Sse2.CompareEqual(
                _clsVar1,
                _clsVar2
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_clsVar1, _clsVar2, _dataTable.outArrayPtr);
        }
Esempio n. 16
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        public void RunStructLclFldScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario_Load));

            var test   = TestStruct.Create();
            var result = Sse2.CompareEqual(
                Sse2.LoadVector128((Int32 *)(&test._fld1)),
                Sse2.LoadVector128((Int32 *)(&test._fld2))
                );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(test._fld1, test._fld2, _dataTable.outArrayPtr);
        }
Esempio n. 17
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        public static Vector128 <sbyte> CreateEscapingMask(
            Vector128 <sbyte> sourceValue,
            Vector128 <sbyte> bitMaskLookup,
            Vector128 <sbyte> bitPosLookup,
            Vector128 <sbyte> nibbleMaskSByte,
            Vector128 <sbyte> nullMaskSByte)
        {
            // To check if an input byte needs to be escaped or not, we use a bitmask-lookup.
            // Therefore we split the input byte into the low- and high-nibble, which will get
            // the row-/column-index in the bit-mask.
            // The bitmask-lookup looks like (here for example s_bitMaskLookupBasicLatin):
            //                                     high-nibble
            // low-nibble  0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
            //         0   1   1   0   0   0   0   1   0   1   1   1   1   1   1   1   1
            //         1   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         2   1   1   1   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         3   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         4   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         5   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         6   1   1   1   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         7   1   1   1   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         8   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         9   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         A   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         B   1   1   1   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         C   1   1   0   1   0   1   0   0   1   1   1   1   1   1   1   1
            //         D   1   1   0   0   0   0   0   0   1   1   1   1   1   1   1   1
            //         E   1   1   0   1   0   0   0   0   1   1   1   1   1   1   1   1
            //         F   1   1   0   0   0   0   0   1   1   1   1   1   1   1   1   1
            //
            // where 1 denotes the neeed for escaping, while 0 means no escaping needed.
            // For high-nibbles in the range 8..F every input needs to be escaped, so we
            // can omit them in the bit-mask, thus only high-nibbles in the range 0..7 need
            // to be considered, hence the entries in the bit-mask can be of type byte.
            //
            // In the bitmask-lookup for each row (= low-nibble) a bit-mask for the
            // high-nibbles (= columns) is created.

            Debug.Assert(Ssse3.IsSupported);

            Vector128 <sbyte> highNibbles = Sse2.And(Sse2.ShiftRightLogical(sourceValue.AsInt32(), 4).AsSByte(), nibbleMaskSByte);
            Vector128 <sbyte> lowNibbles  = Sse2.And(sourceValue, nibbleMaskSByte);

            Vector128 <sbyte> bitMask      = Ssse3.Shuffle(bitMaskLookup, lowNibbles);
            Vector128 <sbyte> bitPositions = Ssse3.Shuffle(bitPosLookup, highNibbles);

            Vector128 <sbyte> mask = Sse2.And(bitPositions, bitMask);

            mask = Sse2.CompareEqual(nullMaskSByte, Sse2.CompareEqual(nullMaskSByte, mask));
            return(mask);
        }
Esempio n. 18
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            public void RunStructFldScenario_Load(SimpleBinaryOpTest__CompareEqualByte testClass)
            {
                fixed(Vector128 <Byte> *pFld1 = &_fld1)
                fixed(Vector128 <Byte> *pFld2 = &_fld2)
                {
                    var result = Sse2.CompareEqual(
                        Sse2.LoadVector128((Byte *)(pFld1)),
                        Sse2.LoadVector128((Byte *)(pFld2))
                        );

                    Unsafe.Write(testClass._dataTable.outArrayPtr, result);
                    testClass.ValidateResult(_fld1, _fld2, testClass._dataTable.outArrayPtr);
                }
            }
Esempio n. 19
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        public static unsafe void CalculateDiagonalSection_Sse41 <T>(void *refDiag1Ptr, void *refDiag2Ptr, char *sourcePtr, char *targetPtr, ref int rowIndex, int columnIndex) where T : struct
        {
            if (typeof(T) == typeof(int))
            {
                var diag1Ptr = (int *)refDiag1Ptr;
                var diag2Ptr = (int *)refDiag2Ptr;

                var sourceVector = Sse41.ConvertToVector128Int32((ushort *)sourcePtr + rowIndex - Vector128 <T> .Count);
                var targetVector = Sse41.ConvertToVector128Int32((ushort *)targetPtr + columnIndex - 1);
                targetVector = Sse2.Shuffle(targetVector, 0x1b);
                var substitutionCostAdjustment = Sse2.CompareEqual(sourceVector, targetVector);

                var substitutionCost = Sse2.Add(
                    Sse3.LoadDquVector128(diag1Ptr + rowIndex - Vector128 <T> .Count),
                    substitutionCostAdjustment
                    );

                var deleteCost = Sse3.LoadDquVector128(diag2Ptr + rowIndex - (Vector128 <T> .Count - 1));
                var insertCost = Sse3.LoadDquVector128(diag2Ptr + rowIndex - Vector128 <T> .Count);

                var localCost = Sse41.Min(Sse41.Min(insertCost, deleteCost), substitutionCost);
                localCost = Sse2.Add(localCost, Vector128.Create(1));

                Sse2.Store(diag1Ptr + rowIndex - (Vector128 <T> .Count - 1), localCost);
            }
            else if (typeof(T) == typeof(ushort))
            {
                var diag1Ptr = (ushort *)refDiag1Ptr;
                var diag2Ptr = (ushort *)refDiag2Ptr;

                var sourceVector = Sse3.LoadDquVector128((ushort *)sourcePtr + rowIndex - Vector128 <T> .Count);
                var targetVector = Sse3.LoadDquVector128((ushort *)targetPtr + columnIndex - 1);
                targetVector = Ssse3.Shuffle(targetVector.AsByte(), REVERSE_USHORT_AS_BYTE_128).AsUInt16();
                var substitutionCostAdjustment = Sse2.CompareEqual(sourceVector, targetVector);

                var substitutionCost = Sse2.Add(
                    Sse3.LoadDquVector128(diag1Ptr + rowIndex - Vector128 <T> .Count),
                    substitutionCostAdjustment
                    );

                var deleteCost = Sse3.LoadDquVector128(diag2Ptr + rowIndex - (Vector128 <T> .Count - 1));
                var insertCost = Sse3.LoadDquVector128(diag2Ptr + rowIndex - Vector128 <T> .Count);

                var localCost = Sse41.Min(Sse41.Min(insertCost, deleteCost), substitutionCost);
                localCost = Sse2.Add(localCost, Vector128.Create((ushort)1));

                Sse2.Store(diag1Ptr + rowIndex - (Vector128 <T> .Count - 1), localCost);
            }
        }
        public static Vector128 <sbyte> CreateEscapingMask_DefaultJavaScriptEncoderBasicLatin(Vector128 <sbyte> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            Vector128 <sbyte> mask = CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(sourceValue);

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_ampersandMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_apostropheMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_plusSignMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_lessThanSignMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_greaterThanSignMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_graveAccentMaskSByte));

            return(mask);
        }
Esempio n. 21
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        public static Vector128 <sbyte> CreateEscapingMask_DefaultJavaScriptEncoderBasicLatin(Vector128 <sbyte> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            Vector128 <sbyte> mask = CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(sourceValue);

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x26)); // Ampersand &
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x27)); // Apostrophe '
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x2B)); // Plus sign +
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x3C)); // Less Than Sign <
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x3E)); // Greater Than Sign >
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_SByte_0x60)); // Grave Access `

            return(mask);
        }
Esempio n. 22
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        public unsafe static bool Compare128(byte *b0, byte *b1, int length)
        {
            const int mask = 0xFFFF;

            byte *lastAddr        = b0 + length;
            byte *lastAddrMinus64 = lastAddr - 64;

            // unroll the loop so that we are comparing 64 bytes at a time.

            while (b0 < lastAddrMinus64)
            {
                if (Sse2.MoveMask(Sse2.CompareEqual(Sse2.LoadVector128(b0), Sse2.LoadVector128(b1))) != mask)
                {
                    return(false);
                }

                if (Sse2.MoveMask(Sse2.CompareEqual(Sse2.LoadVector128(b0 + 16), Sse2.LoadVector128(b1 + 16))) != mask)
                {
                    return(false);
                }

                if (Sse2.MoveMask(Sse2.CompareEqual(Sse2.LoadVector128(b0 + 32), Sse2.LoadVector128(b1 + 32))) != mask)
                {
                    return(false);
                }

                if (Sse2.MoveMask(Sse2.CompareEqual(Sse2.LoadVector128(b0 + 48), Sse2.LoadVector128(b1 + 48))) != mask)
                {
                    return(false);
                }

                b0 += 64;
                b1 += 64;
            }

            while (b0 < lastAddr)
            {
                if (*b0 != *b1)
                {
                    return(false);
                }

                b0++;
                b1++;
            }

            return(true);
        }
Esempio n. 23
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        unsafe private static void denoiseLineSse2(byte *pcurr, byte *pprev, byte *pnext, int cb)
        {
            byte *ip = pcurr, pp = pprev, np = pnext;
            nuint cnt = 0, end = (nuint)cb - (nuint)Vector128 <byte> .Count;

            var voffset = Vector128.Create((byte)0x80);
            var vthresh = Vector128.Create(denoiseThreshold);

LoopTop:
            do
            {
                var vcurr = Sse2.LoadVector128(ip + cnt);
                var vprev = Sse2.LoadVector128(pp + cnt);
                var vnext = Sse2.LoadVector128(np + cnt);

                var vdiffp = Sse2.Or(Sse2.SubtractSaturate(vcurr, vprev), Sse2.SubtractSaturate(vprev, vcurr));
                var vmaskp = Sse2.CompareEqual(Sse2.Max(vdiffp, vthresh), vthresh);

                var vdiffn = Sse2.Or(Sse2.SubtractSaturate(vcurr, vnext), Sse2.SubtractSaturate(vnext, vcurr));
                var vmaskn = Sse2.CompareEqual(Sse2.Max(vdiffn, vthresh), vthresh);

                var vavgp = Sse2.Average(vcurr, vprev);
                var vavgn = Sse2.Average(vcurr, vnext);

                var voutval = Sse2.Average(HWIntrinsics.BlendVariable(vavgn, vavgp, vmaskp), HWIntrinsics.BlendVariable(vavgp, vavgn, vmaskn));
                var voutmsk = Sse2.Or(vmaskp, vmaskn);
                voutval = Sse2.Average(voutval, HWIntrinsics.BlendVariable(voutval, Sse2.Average(vprev, vnext), Sse2.And(vmaskp, vmaskn)));

                var vcurrs = Sse2.Xor(vcurr, voffset).AsSByte();
                var vprevs = Sse2.Xor(vprev, voffset).AsSByte();
                var vnexts = Sse2.Xor(vnext, voffset).AsSByte();

                var vsurlt = Sse2.And(Sse2.CompareGreaterThan(vcurrs, vprevs), Sse2.CompareGreaterThan(vcurrs, vnexts));
                var vsurgt = Sse2.And(Sse2.CompareGreaterThan(vprevs, vcurrs), Sse2.CompareGreaterThan(vnexts, vcurrs));

                voutmsk = Sse2.And(voutmsk, Sse2.Or(vsurlt, vsurgt).AsByte());
                voutval = HWIntrinsics.BlendVariable(vcurr, voutval, voutmsk);

                Sse2.Store(ip + cnt, voutval);
                cnt += (nuint)Vector128 <byte> .Count;
            } while (cnt <= end);

            if (cnt < end + (nuint)Vector128 <byte> .Count)
            {
                cnt = end;
                goto LoopTop;
            }
        }
Esempio n. 24
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        public void RunClassFldScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario_Load));

            fixed(Vector128 <Byte> *pFld1 = &_fld1)
            fixed(Vector128 <Byte> *pFld2 = &_fld2)
            {
                var result = Sse2.CompareEqual(
                    Sse2.LoadVector128((Byte *)(pFld1)),
                    Sse2.LoadVector128((Byte *)(pFld2))
                    );

                Unsafe.Write(_dataTable.outArrayPtr, result);
                ValidateResult(_fld1, _fld2, _dataTable.outArrayPtr);
            }
        }
Esempio n. 25
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        public void RunClsVarScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunClsVarScenario_Load));

            fixed(Vector128 <Int32> *pClsVar1 = &_clsVar1)
            fixed(Vector128 <Int32> *pClsVar2 = &_clsVar2)
            {
                var result = Sse2.CompareEqual(
                    Sse2.LoadVector128((Int32 *)(pClsVar1)),
                    Sse2.LoadVector128((Int32 *)(pClsVar2))
                    );

                Unsafe.Write(_dataTable.outArrayPtr, result);
                ValidateResult(_clsVar1, _clsVar2, _dataTable.outArrayPtr);
            }
        }
Esempio n. 26
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        private static unsafe int FillBuffer(ReadOnlySpan <char> input)
        {
            int count = Math.Min(LineBuffer.Length, input.Length);
            int i     = 0;

            fixed(char *buffer = LineBuffer, pInput = input)
            {
                if (Sse2.IsSupported && count >= Vector128 <ushort> .Count)
                {
                    Vector128 <ushort> Space = Vector128.Create(SpaceCharUShort); //Space character

                    do
                    {
                        var data = Sse2.LoadVector128((ushort *)pInput + i);

                        var comp = Vector128 <ushort> .Zero;

                        comp = Sse2.CompareEqual(comp, data);

                        if (Sse41.IsSupported)
                        {
                            data = Sse41.BlendVariable(data, Space, comp);
                        }
                        else
                        {
                            comp = Sse2.And(comp, Space);

                            data = Sse2.Or(data, comp); //Elements being replaced are already 0'ed
                        }

                        Sse2.Store((ushort *)buffer + i, data);

                        i += Vector128 <ushort> .Count;
                    }while ((count - i) >= Vector128 <ushort> .Count);
                }

                while (i < count)
                {
                    char tmp = pInput[i];
                    buffer[i] = tmp == 0 ? ' ' : tmp;

                    i += 1;
                }

                return(count);
            }
        }
        public static Vector128 <sbyte> CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(Vector128 <sbyte> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            // Anything in the control characters range (except 0x7F), and anything above sbyte.MaxValue but less than or equal byte.MaxValue
            // That's because anything between 128 and 255 (inclusive) will overflow and become negative.
            Vector128 <sbyte> mask = Sse2.CompareLessThan(sourceValue, s_spaceMaskSByte);

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_quotationMarkMaskSByte));
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_reverseSolidusMaskSByte));

            // Leftover control character in the ASCII range - 0x7F
            // Since we are dealing with sbytes, 0x7F is the only value that would meet this comparison.
            mask = Sse2.Or(mask, Sse2.CompareGreaterThan(sourceValue, s_tildeMaskSByte));

            return(mask);
        }
Esempio n. 28
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        public static Vector128 <short> CreateEscapingMask_DefaultJavaScriptEncoderBasicLatin(Vector128 <short> sourceValue)
        {
            Debug.Assert(Sse2.IsSupported);

            Vector128 <short> mask = CreateEscapingMask_UnsafeRelaxedJavaScriptEncoder(sourceValue);

            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x26));       // Ampersand '&'
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x27));       // Apostrophe '''
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x2B));       // Plus sign '+'
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x3C));       // Less Than Sign '<'
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x3E));       // Greater Than Sign '>'
            mask = Sse2.Or(mask, Sse2.CompareEqual(sourceValue, s_mask_UInt16_0x60));       // Grave Access '`'

            mask = Sse2.Or(mask, Sse2.CompareGreaterThan(sourceValue, s_mask_UInt16_0x7E)); // Tilde '~', anything above the ASCII range

            return(mask);
        }
Esempio n. 29
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        public static unsafe bool Intrinsics(string value1, string value2)
        {
            // NotNull & NotObjectEquals
            var length = value1.Length;

            if (length != value2.Length)
            {
                return(false);
            }

            const int vectorSize = 128 / 8;
            const int equalsMask = unchecked ((int)(0b1111_1111_1111_1111_1111_1111_1111_1111));

            fixed(char *pValue1 = value1)
            fixed(char *pValue2 = value2)
            {
                var ptrA = (byte *)pValue1;
                var ptrB = (byte *)pValue2;

                var i    = 0;
                var size = length << 1;

                for (; i <= size - vectorSize; i += vectorSize)
                {
                    var va       = Sse2.LoadVector128(ptrA + i);
                    var vb       = Sse2.LoadVector128(ptrB + i);
                    var areEqual = Sse2.CompareEqual(va, vb);
                    if (Sse2.MoveMask(areEqual) != equalsMask)
                    {
                        return(false);
                    }
                }

                // Not suitable < 16
                for (; i < size; i++)
                {
                    if (ptrA[i] != ptrB[i])
                    {
                        return(false);
                    }
                }

                return(true);
            }
        }
Esempio n. 30
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        public void RunClassLclFldScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario_Load));

            var test = new SimpleBinaryOpTest__CompareEqualInt32();

            fixed(Vector128 <Int32> *pFld1 = &test._fld1)
            fixed(Vector128 <Int32> *pFld2 = &test._fld2)
            {
                var result = Sse2.CompareEqual(
                    Sse2.LoadVector128((Int32 *)(pFld1)),
                    Sse2.LoadVector128((Int32 *)(pFld2))
                    );

                Unsafe.Write(_dataTable.outArrayPtr, result);
                ValidateResult(test._fld1, test._fld2, _dataTable.outArrayPtr);
            }
        }