add l476 implementationl476

1 files changed, 132 insertions, 178 deletions

diff --git a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_negate_q31.c b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_negate_q31.c
index 3ee77ed..f01b1d9 100644
--- a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_negate_q31.c
+++ b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_negate_q31.c
@@ -1,178 +1,132 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_negate_q31.c
- * Description:  Negates Q31 vectors
- *
- * $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 BasicNegate
-  @{
- */
-
-/**
-  @brief         Negates the elements of a Q31 vector.
-  @param[in]     pSrc       points to the input vector.
-  @param[out]    pDst       points to the output vector.
-  @param[in]     blockSize   number of samples in each vector.
-  @return        none
-
-  @par           Scaling and Overflow Behavior
-                   The function uses saturating arithmetic.
-                   The Q31 value -1 (0x80000000) is saturated to the maximum allowable positive value 0x7FFFFFFF.
- */
-
-#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
-
-#include "arm_helium_utils.h"
-
-void arm_negate_q31(
-    const q31_t * pSrc,
-    q31_t * pDst,
-    uint32_t blockSize)
-{
-    uint32_t  blkCnt;           /* loop counters */
-    q31x4_t vecSrc;
-
-    /* Compute 4 outputs at a time */
-    blkCnt = blockSize >> 2;
-    while (blkCnt > 0U)
-    {
-        /*
-         * C = -A
-         * Negate and then store the results in the destination buffer.
-         */
-        vecSrc = vld1q(pSrc);
-        vst1q(pDst, vqnegq(vecSrc));
-        /*
-         * Decrement the blockSize loop counter
-         */
-        blkCnt--;
-        /*
-         * advance vector source and destination pointers
-         */
-        pSrc += 4;
-        pDst += 4;
-    }
-    /*
-     * tail
-     */
-    blkCnt = blockSize & 3;
-    if (blkCnt > 0U)
-    {
-        mve_pred16_t p0 = vctp32q(blkCnt);
-        vecSrc = vld1q(pSrc);
-        vstrwq_p(pDst, vqnegq(vecSrc), p0);
-    }
-}
-
-#else
-void arm_negate_q31(
-  const q31_t * pSrc,
-        q31_t * pDst,
-        uint32_t blockSize)
-{
-        uint32_t blkCnt;                               /* Loop counter */
-        q31_t in;                                      /* Temporary input variable */
-
-#if defined (ARM_MATH_LOOPUNROLL)
-
-  /* Loop unrolling: Compute 4 outputs at a time */
-  blkCnt = blockSize >> 2U;
-
-  while (blkCnt > 0U)
-  {
-    /* C = -A */
-
-    /* Negate and store result in destination buffer. */
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    /* 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) */
-
-  while (blkCnt > 0U)
-  {
-    /* C = -A */
-
-    /* Negate and store result in destination buffer. */
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    /* Decrement loop counter */
-    blkCnt--;
-  }
-
-}
-#endif /* defined(ARM_MATH_MVEI) */
-
-/**
-  @} end of BasicNegate group
- */
+/* ----------------------------------------------------------------------

+ * Project:      CMSIS DSP Library

+ * Title:        arm_negate_q31.c

+ * Description:  Negates Q31 vectors

+ *

+ * $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

+ */

+

+/**

+  @addtogroup BasicNegate

+  @{

+ */

+

+/**

+  @brief         Negates the elements of a Q31 vector.

+  @param[in]     pSrc       points to the input vector.

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

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

+  @return        none

+

+  @par           Scaling and Overflow Behavior

+                   The function uses saturating arithmetic.

+                   The Q31 value -1 (0x80000000) is saturated to the maximum allowable positive value 0x7FFFFFFF.

+ */

+

+void arm_negate_q31(

+  const q31_t * pSrc,

+        q31_t * pDst,

+        uint32_t blockSize)

+{

+        uint32_t blkCnt;                               /* Loop counter */

+        q31_t in;                                      /* Temporary input variable */

+

+#if defined (ARM_MATH_LOOPUNROLL)

+

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

+  blkCnt = blockSize >> 2U;

+

+  while (blkCnt > 0U)

+  {

+    /* C = -A */

+

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

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

+    *pDst++ = __QSUB(0, in);

+#else

+    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;

+#endif

+

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

+    *pDst++ = __QSUB(0, in);

+#else

+    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;

+#endif

+

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

+    *pDst++ = __QSUB(0, in);

+#else

+    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;

+#endif

+

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

+    *pDst++ = __QSUB(0, in);

+#else

+    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;

+#endif

+

+    /* 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) */

+

+  while (blkCnt > 0U)

+  {

+    /* C = -A */

+

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

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

+    *pDst++ = __QSUB(0, in);

+#else

+    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;

+#endif

+

+    /* Decrement loop counter */

+    blkCnt--;

+  }

+

+}

+

+/**

+  @} end of BasicNegate group

+ */