add l476 implementationl476

1 files changed, 148 insertions, 202 deletions

diff --git a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_f32.c b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_f32.c
index 2a07c0c..67556e4 100644
--- a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_f32.c
+++ b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_f32.c
@@ -1,202 +1,148 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_sub_f32.c
- * Description:  Floating-point vector 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/basic_math_functions.h"
-
-/**
-  @ingroup groupMath
- */
-
-/**
-  @defgroup BasicSub Vector Subtraction
-
-  Element-by-element subtraction of two vectors.
-
-  <pre>
-      pDst[n] = pSrcA[n] - pSrcB[n],   0 <= n < blockSize.
-  </pre>
-
-  There are separate functions for floating-point, Q7, Q15, and Q31 data types.
- */
-
-/**
-  @addtogroup BasicSub
-  @{
- */
-
-/**
-  @brief         Floating-point vector subtraction.
-  @param[in]     pSrcA      points to the first input vector
-  @param[in]     pSrcB      points to the second input vector
-  @param[out]    pDst       points to the output vector
-  @param[in]     blockSize  number of samples in each vector
-  @return        none
- */
-
-#if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE)
-
-#include "arm_helium_utils.h"
-
-void arm_sub_f32(
-  const float32_t * pSrcA,
-  const float32_t * pSrcB,
-        float32_t * pDst,
-        uint32_t blockSize)
-{
-    uint32_t blkCnt;                               /* Loop counter */
-
-    f32x4_t vec1;
-    f32x4_t vec2;
-    f32x4_t res;
-
-    /* Compute 4 outputs at a time */
-    blkCnt = blockSize >> 2U;
-
-    while (blkCnt > 0U)
-    {
-        /* C = A + B */
-
-      /* Add and then store the results in the destination buffer. */
-        vec1 = vld1q(pSrcA);
-        vec2 = vld1q(pSrcB);
-        res = vsubq(vec1, vec2);
-        vst1q(pDst, res);
-
-        /* Increment pointers */
-        pSrcA += 4;
-        pSrcB += 4; 
-        pDst += 4;
-        
-        /* Decrement the loop counter */
-        blkCnt--;
-    }
-
-    /* Tail */
-    blkCnt = blockSize & 0x3;
-
-    if (blkCnt > 0U)
-    {
-      /* C = A + B */
-      mve_pred16_t p0 = vctp32q(blkCnt);
-      vec1 = vld1q(pSrcA);
-      vec2 = vld1q(pSrcB);
-      vstrwq_p(pDst, vsubq(vec1,vec2), p0);
-    }
-
-}
-
-#else
-void arm_sub_f32(
-  const float32_t * pSrcA,
-  const float32_t * pSrcB,
-        float32_t * pDst,
-        uint32_t blockSize)
-{
-        uint32_t blkCnt;                               /* Loop counter */
-
-#if defined(ARM_MATH_NEON) && !defined(ARM_MATH_AUTOVECTORIZE)
-    f32x4_t vec1;
-    f32x4_t vec2;
-    f32x4_t res;
-
-    /* Compute 4 outputs at a time */
-    blkCnt = blockSize >> 2U;
-
-    while (blkCnt > 0U)
-    {
-        /* C = A - B */
-
-        /* Subtract and then store the results in the destination buffer. */
-        vec1 = vld1q_f32(pSrcA);
-        vec2 = vld1q_f32(pSrcB);
-        res = vsubq_f32(vec1, vec2);
-        vst1q_f32(pDst, res);
-
-        /* Increment pointers */
-        pSrcA += 4;
-        pSrcB += 4; 
-        pDst += 4;
-        
-        /* Decrement the loop counter */
-        blkCnt--;
-    }
-
-    /* Tail */
-    blkCnt = blockSize & 0x3;
-
-#else
-#if defined (ARM_MATH_LOOPUNROLL) && !defined(ARM_MATH_AUTOVECTORIZE)
-
-  /* Loop unrolling: Compute 4 outputs at a time */
-  blkCnt = blockSize >> 2U;
-
-  while (blkCnt > 0U)
-  {
-    /* C = A - B */
-
-    /* Subtract and store result in destination buffer. */
-    *pDst++ = (*pSrcA++) - (*pSrcB++);
-
-    *pDst++ = (*pSrcA++) - (*pSrcB++);
-
-    *pDst++ = (*pSrcA++) - (*pSrcB++);
-
-    *pDst++ = (*pSrcA++) - (*pSrcB++);
-
-    /* Decrement loop counter */
-    blkCnt--;
-  }
-
-  /* Loop unrolling: Compute remaining outputs */
-  blkCnt = blockSize % 0x4U;
-
-#else
-
-  /* Initialize blkCnt with number of samples */
-  blkCnt = blockSize;
-
-#endif /* #if defined (ARM_MATH_LOOPUNROLL) */
-#endif /* #if defined(ARM_MATH_NEON) */
-
-  while (blkCnt > 0U)
-  {
-    /* C = A - B */
-
-    /* Subtract and store result in destination buffer. */
-    *pDst++ = (*pSrcA++) - (*pSrcB++);
-
-    /* Decrement loop counter */
-    blkCnt--;
-  }
-
-}
-#endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */
-
-/**
-  @} end of BasicSub group
- */
+/* ----------------------------------------------------------------------

+ * Project:      CMSIS DSP Library

+ * Title:        arm_sub_f32.c

+ * Description:  Floating-point vector 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 groupMath

+ */

+

+/**

+  @defgroup BasicSub Vector Subtraction

+

+  Element-by-element subtraction of two vectors.

+

+  <pre>

+      pDst[n] = pSrcA[n] - pSrcB[n],   0 <= n < blockSize.

+  </pre>

+

+  There are separate functions for floating-point, Q7, Q15, and Q31 data types.

+ */

+

+/**

+  @addtogroup BasicSub

+  @{

+ */

+

+/**

+  @brief         Floating-point vector subtraction.

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

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

+  @param[out]    pDst       points to the output vector

+  @param[in]     blockSize  number of samples in each vector

+  @return        none

+ */

+

+void arm_sub_f32(

+  const float32_t * pSrcA,

+  const float32_t * pSrcB,

+        float32_t * pDst,

+        uint32_t blockSize)

+{

+        uint32_t blkCnt;                               /* Loop counter */

+

+#if defined(ARM_MATH_NEON)

+    float32x4_t vec1;

+    float32x4_t vec2;

+    float32x4_t res;

+

+    /* Compute 4 outputs at a time */

+    blkCnt = blockSize >> 2U;

+

+    while (blkCnt > 0U)

+    {

+        /* C = A - B */

+

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

+        vec1 = vld1q_f32(pSrcA);

+        vec2 = vld1q_f32(pSrcB);

+        res = vsubq_f32(vec1, vec2);

+        vst1q_f32(pDst, res);

+

+        /* Increment pointers */

+        pSrcA += 4;

+        pSrcB += 4; 

+        pDst += 4;

+        

+        /* Decrement the loop counter */

+        blkCnt--;

+    }

+

+    /* Tail */

+    blkCnt = blockSize & 0x3;

+

+#else

+#if defined (ARM_MATH_LOOPUNROLL)

+

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

+  blkCnt = blockSize >> 2U;

+

+  while (blkCnt > 0U)

+  {

+    /* C = A - B */

+

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

+    *pDst++ = (*pSrcA++) - (*pSrcB++);

+

+    *pDst++ = (*pSrcA++) - (*pSrcB++);

+

+    *pDst++ = (*pSrcA++) - (*pSrcB++);

+

+    *pDst++ = (*pSrcA++) - (*pSrcB++);

+

+    /* Decrement loop counter */

+    blkCnt--;

+  }

+

+  /* Loop unrolling: Compute remaining outputs */

+  blkCnt = blockSize % 0x4U;

+

+#else

+

+  /* Initialize blkCnt with number of samples */

+  blkCnt = blockSize;

+

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

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

+

+  while (blkCnt > 0U)

+  {

+    /* C = A - B */

+

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

+    *pDst++ = (*pSrcA++) - (*pSrcB++);

+

+    /* Decrement loop counter */

+    blkCnt--;

+  }

+

+}

+

+/**

+  @} end of BasicSub group

+ */