initial commit

1 files changed, 129 insertions, 0 deletions

diff --git a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_xor_u32.c b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_xor_u32.c
new file mode 100644
index 0000000..9d14908
--- /dev/null
+++ b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_xor_u32.c
@@ -0,0 +1,129 @@
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_xor_u32.c
+ * Description:  uint32_t bitwise exclusive OR
+ *
+ * $Date:        23 April 2021
+ * $Revision:    V1.9.0
+ *
+ * Target Processor: Cortex-M and Cortex-A cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dsp/basic_math_functions.h"
+
+/**
+  @ingroup groupMath
+ */
+
+/**
+  @addtogroup Xor
+  @{
+ */
+
+/**
+  @brief         Compute the logical bitwise XOR of two fixed-point vectors.
+  @param[in]     pSrcA      points to input vector A
+  @param[in]     pSrcB      points to input vector B
+  @param[out]    pDst       points to output vector
+  @param[in]     blockSize  number of samples in each vector
+  @return        none
+ */
+
+void arm_xor_u32(
+    const uint32_t * pSrcA,
+    const uint32_t * pSrcB,
+          uint32_t * pDst,
+          uint32_t blockSize)
+{
+    uint32_t blkCnt;      /* Loop counter */
+
+#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
+    uint32x4_t vecSrcA, vecSrcB;
+
+    /* Compute 4 outputs at a time */
+    blkCnt = blockSize >> 2;
+
+    while (blkCnt > 0U)
+    {
+        vecSrcA = vld1q(pSrcA);
+        vecSrcB = vld1q(pSrcB);
+
+        vst1q(pDst, veorq_u32(vecSrcA, vecSrcB) );
+
+        pSrcA += 4;
+        pSrcB += 4;
+        pDst  += 4;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+    }
+
+    /* Tail */
+    blkCnt = blockSize & 3;
+
+    if (blkCnt > 0U)
+    {
+        mve_pred16_t p0 = vctp32q(blkCnt);
+        vecSrcA = vld1q(pSrcA);
+        vecSrcB = vld1q(pSrcB);
+        vstrwq_p(pDst, veorq_u32(vecSrcA, vecSrcB), p0);
+    }
+#else
+#if defined(ARM_MATH_NEON) && !defined(ARM_MATH_AUTOVECTORIZE)
+    uint32x4_t vecA, vecB;
+
+    /* Compute 4 outputs at a time */
+    blkCnt = blockSize >> 2U;
+
+    while (blkCnt > 0U)
+    {
+        vecA = vld1q_u32(pSrcA);
+        vecB = vld1q_u32(pSrcB);
+
+        vst1q_u32(pDst, veorq_u32(vecA, vecB) );
+
+        pSrcA += 4;
+        pSrcB += 4;
+        pDst  += 4;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+    }
+
+    /* Tail */
+    blkCnt = blockSize & 3;
+#else
+    /* Initialize blkCnt with number of samples */
+    blkCnt = blockSize;
+#endif
+
+    while (blkCnt > 0U)
+    {
+        *pDst++ = (*pSrcA++)^(*pSrcB++);
+
+        /* Decrement the loop counter */
+        blkCnt--;
+    }
+#endif /* if defined(ARM_MATH_MVEI) */
+}
+
+/**
+  @} end of Xor group
+ */