add l476 implementationl476

1 files changed, 139 insertions, 218 deletions

diff --git a/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c
index 5045b29..8a5e693 100644
--- a/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c
+++ b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c
@@ -1,218 +1,139 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_mat_sub_q31.c
- * Description:  Q31 matrix subtraction
- *
- * $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/matrix_functions.h"
-
-/**
-  @ingroup groupMatrix
- */
-
-/**
-  @addtogroup MatrixSub
-  @{
- */
-
-/**
-  @brief         Q31 matrix subtraction.
-  @param[in]     pSrcA      points to the first input matrix structure
-  @param[in]     pSrcB      points to the second input matrix structure
-  @param[out]    pDst       points to output matrix structure
-  @return        execution status
-                   - \ref ARM_MATH_SUCCESS       : Operation successful
-                   - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed
-
-  @par           Scaling and Overflow Behavior
-                   The function uses saturating arithmetic.
-                   Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated.
- */
-#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
-arm_status arm_mat_sub_q31(
-  const arm_matrix_instance_q31 * pSrcA,
-  const arm_matrix_instance_q31 * pSrcB,
-        arm_matrix_instance_q31 * pDst)
-{
-    uint32_t        numSamples;       /* total number of elements in the matrix  */
-    q31_t          *pDataA, *pDataB, *pDataDst;
-    q31x4_t       vecA, vecB, vecDst;
-    q31_t const   *pSrcAVec;
-    q31_t const   *pSrcBVec;
-    uint32_t        blkCnt;           /* loop counters */
-    arm_status status;                             /* status of matrix subtraction */
-
-    pDataA = pSrcA->pData;
-    pDataB = pSrcB->pData;
-    pDataDst = pDst->pData;
-    pSrcAVec = (q31_t const *) pDataA;
-    pSrcBVec = (q31_t const *) pDataB;
-
-#ifdef ARM_MATH_MATRIX_CHECK
-
-  /* Check for matrix mismatch condition */
-  if ((pSrcA->numRows != pSrcB->numRows) ||
-      (pSrcA->numCols != pSrcB->numCols) ||
-      (pSrcA->numRows != pDst->numRows)  ||
-      (pSrcA->numCols != pDst->numCols)    )
-  {
-    /* Set status as ARM_MATH_SIZE_MISMATCH */
-    status = ARM_MATH_SIZE_MISMATCH;
-  }
-  else
-
-#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
-  {
-
-    /*
-     * Total number of samples in the input matrix
-     */
-    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
-    blkCnt = numSamples >> 2;
-    while (blkCnt > 0U)
-    {
-        /* C(m,n) = A(m,n) + B(m,n) */
-        /* sub and then store the results in the destination buffer. */
-        vecA = vld1q(pSrcAVec); 
-        pSrcAVec += 4;
-        vecB = vld1q(pSrcBVec); 
-        pSrcBVec += 4;
-        vecDst = vqsubq(vecA, vecB);
-        vst1q(pDataDst, vecDst);  
-        pDataDst += 4;
-        /*
-         * Decrement the blockSize loop counter
-         */
-        blkCnt--;
-    }
-    /*
-     * tail
-     */
-    blkCnt = numSamples & 3;
-    if (blkCnt > 0U)
-    {
-        mve_pred16_t p0 = vctp32q(blkCnt);
-        vecA = vld1q(pSrcAVec); 
-        pSrcAVec += 4;
-        vecB = vld1q(pSrcBVec); 
-        pSrcBVec += 4;
-        vecDst = vqsubq_m(vecDst, vecA, vecB, p0);
-        vstrwq_p(pDataDst, vecDst, p0);
-    }
-    status = ARM_MATH_SUCCESS;
-  }
-
-  /* Return to application */
-  return (status);
-}
-
-#else
-arm_status arm_mat_sub_q31(
-  const arm_matrix_instance_q31 * pSrcA,
-  const arm_matrix_instance_q31 * pSrcB,
-        arm_matrix_instance_q31 * pDst)
-{
-  q31_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */
-  q31_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */
-  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
-
-  uint32_t numSamples;                           /* total number of elements in the matrix */
-  uint32_t blkCnt;                               /* loop counters */
-  arm_status status;                             /* status of matrix subtraction */
-
-#ifdef ARM_MATH_MATRIX_CHECK
-
-  /* Check for matrix mismatch condition */
-  if ((pSrcA->numRows != pSrcB->numRows) ||
-      (pSrcA->numCols != pSrcB->numCols) ||
-      (pSrcA->numRows != pDst->numRows)  ||
-      (pSrcA->numCols != pDst->numCols)    )
-  {
-    /* Set status as ARM_MATH_SIZE_MISMATCH */
-    status = ARM_MATH_SIZE_MISMATCH;
-  }
-  else
-
-#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
-
-  {
-    /* Total number of samples in input matrix */
-    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
-
-#if defined (ARM_MATH_LOOPUNROLL)
-
-    /* Loop unrolling: Compute 4 outputs at a time */
-    blkCnt = numSamples >> 2U;
-
-    while (blkCnt > 0U)
-    {
-      /* C(m,n) = A(m,n) - B(m,n) */
-
-      /* Subtract, saturate and then store the results in the destination buffer. */
-      *pOut++ = __QSUB(*pInA++, *pInB++);
-
-      *pOut++ = __QSUB(*pInA++, *pInB++);
-
-      *pOut++ = __QSUB(*pInA++, *pInB++);
-
-      *pOut++ = __QSUB(*pInA++, *pInB++);
-
-      /* Decrement loop counter */
-      blkCnt--;
-    }
-
-    /* Loop unrolling: Compute remaining outputs */
-    blkCnt = numSamples % 0x4U;
-
-#else
-
-    /* Initialize blkCnt with number of samples */
-    blkCnt = numSamples;
-
-#endif /* #if defined (ARM_MATH_LOOPUNROLL) */
-
-    while (blkCnt > 0U)
-    {
-      /* C(m,n) = A(m,n) - B(m,n) */
-
-      /* Subtract, saturate and store result in destination buffer. */
-      *pOut++ = __QSUB(*pInA++, *pInB++);
-
-      /* Decrement loop counter */
-      blkCnt--;
-    }
-
-    /* Set status as ARM_MATH_SUCCESS */
-    status = ARM_MATH_SUCCESS;
-  }
-
-  /* Return to application */
-  return (status);
-}
-#endif /* defined(ARM_MATH_MVEI) */
-
-/**
-  @} end of MatrixSub group
- */
+/* ----------------------------------------------------------------------

+ * Project:      CMSIS DSP Library

+ * Title:        arm_mat_sub_q31.c

+ * Description:  Q31 matrix subtraction

+ *

+ * $Date:        18. March 2019

+ * $Revision:    V1.6.0

+ *

+ * Target Processor: Cortex-M cores

+ * -------------------------------------------------------------------- */

+/*

+ * Copyright (C) 2010-2019 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 "arm_math.h"

+

+/**

+  @ingroup groupMatrix

+ */

+

+/**

+  @addtogroup MatrixSub

+  @{

+ */

+

+/**

+  @brief         Q31 matrix subtraction.

+  @param[in]     pSrcA      points to the first input matrix structure

+  @param[in]     pSrcB      points to the second input matrix structure

+  @param[out]    pDst       points to output matrix structure

+  @return        execution status

+                   - \ref ARM_MATH_SUCCESS       : Operation successful

+                   - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed

+

+  @par           Scaling and Overflow Behavior

+                   The function uses saturating arithmetic.

+                   Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated.

+ */

+

+arm_status arm_mat_sub_q31(

+  const arm_matrix_instance_q31 * pSrcA,

+  const arm_matrix_instance_q31 * pSrcB,

+        arm_matrix_instance_q31 * pDst)

+{

+  q31_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */

+  q31_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */

+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */

+

+  uint32_t numSamples;                           /* total number of elements in the matrix */

+  uint32_t blkCnt;                               /* loop counters */

+  arm_status status;                             /* status of matrix subtraction */

+

+#ifdef ARM_MATH_MATRIX_CHECK

+

+  /* Check for matrix mismatch condition */

+  if ((pSrcA->numRows != pSrcB->numRows) ||

+      (pSrcA->numCols != pSrcB->numCols) ||

+      (pSrcA->numRows != pDst->numRows)  ||

+      (pSrcA->numCols != pDst->numCols)    )

+  {

+    /* Set status as ARM_MATH_SIZE_MISMATCH */

+    status = ARM_MATH_SIZE_MISMATCH;

+  }

+  else

+

+#endif /* #ifdef ARM_MATH_MATRIX_CHECK */

+

+  {

+    /* Total number of samples in input matrix */

+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;

+

+#if defined (ARM_MATH_LOOPUNROLL)

+

+    /* Loop unrolling: Compute 4 outputs at a time */

+    blkCnt = numSamples >> 2U;

+

+    while (blkCnt > 0U)

+    {

+      /* C(m,n) = A(m,n) - B(m,n) */

+

+      /* Subtract, saturate and then store the results in the destination buffer. */

+      *pOut++ = __QSUB(*pInA++, *pInB++);

+

+      *pOut++ = __QSUB(*pInA++, *pInB++);

+

+      *pOut++ = __QSUB(*pInA++, *pInB++);

+

+      *pOut++ = __QSUB(*pInA++, *pInB++);

+

+      /* Decrement loop counter */

+      blkCnt--;

+    }

+

+    /* Loop unrolling: Compute remaining outputs */

+    blkCnt = numSamples % 0x4U;

+

+#else

+

+    /* Initialize blkCnt with number of samples */

+    blkCnt = numSamples;

+

+#endif /* #if defined (ARM_MATH_LOOPUNROLL) */

+

+    while (blkCnt > 0U)

+    {

+      /* C(m,n) = A(m,n) - B(m,n) */

+

+      /* Subtract, saturate and store result in destination buffer. */

+      *pOut++ = __QSUB(*pInA++, *pInB++);

+

+      /* Decrement loop counter */

+      blkCnt--;

+    }

+

+    /* Set status as ARM_MATH_SUCCESS */

+    status = ARM_MATH_SUCCESS;

+  }

+

+  /* Return to application */

+  return (status);

+}

+

+/**

+  @} end of MatrixSub group

+ */