add l476 implementationl476

1 files changed, 137 insertions, 193 deletions

diff --git a/Drivers/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c b/Drivers/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c
index ec1b5b7..c3cbdbf 100644
--- a/Drivers/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c
+++ b/Drivers/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c
@@ -1,193 +1,137 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_cmplx_conj_q31.c
- * Description:  Q31 complex conjugate
- *
- * $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/complex_math_functions.h"
-
-/**
-  @ingroup groupCmplxMath
- */
-
-/**
-  @addtogroup cmplx_conj
-  @{
- */
-
-/**
-  @brief         Q31 complex conjugate.
-  @param[in]     pSrc        points to the input vector
-  @param[out]    pDst        points to the output vector
-  @param[in]     numSamples  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)
-
-void arm_cmplx_conj_q31(
-  const q31_t * pSrc,
-        q31_t * pDst,
-        uint32_t numSamples)
-{
-
-    uint32_t blockSize = numSamples * CMPLX_DIM;   /* loop counters */
-    uint32_t blkCnt;
-    q31x4x2_t vecSrc;
-    q31_t in;                                      /* Temporary input variable */
-    q31x4_t zero;
-
-    zero = vdupq_n_s32(0);
-
-   
-    /* Compute 4 real samples at a time */
-    blkCnt = blockSize >> 3U;
-
-    while (blkCnt > 0U)
-    {
-
-        vecSrc = vld2q(pSrc);
-        vecSrc.val[1] = vqsubq(zero, vecSrc.val[1]);
-        vst2q(pDst,vecSrc);
-        /*
-         * Decrement the blkCnt loop counter
-         * Advance vector source and destination pointers
-         */
-        pSrc += 8;
-        pDst += 8;
-        blkCnt --;
-    }
-
-     /* Tail */
-    blkCnt = (blockSize & 0x7) >> 1;
-
-    while (blkCnt > 0U)
-    {
-      /* C[0] + jC[1] = A[0]+ j(-1)A[1] */
-  
-      /* Calculate Complex Conjugate and store result in destination buffer. */
-      *pDst++ =  *pSrc++;
-      in = *pSrc++;
-      *pDst++ = __QSUB(0, in);
-  
-      /* Decrement loop counter */
-      blkCnt--;
-    }
-
-
-}
-#else
-
-void arm_cmplx_conj_q31(
-  const q31_t * pSrc,
-        q31_t * pDst,
-        uint32_t numSamples)
-{
-        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 = numSamples >> 2U;
-
-  while (blkCnt > 0U)
-  {
-    /* C[0] + jC[1] = A[0]+ j(-1)A[1] */
-
-    /* Calculate Complex Conjugate and store result in destination buffer. */
-    *pDst++ =  *pSrc++;
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    *pDst++ =  *pSrc++;
-    in =  *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    *pDst++ =  *pSrc++;
-    in = *pSrc++;
-#if defined (ARM_MATH_DSP)
-    *pDst++ = __QSUB(0, in);
-#else
-    *pDst++ = (in == INT32_MIN) ? INT32_MAX : -in;
-#endif
-
-    *pDst++ =  *pSrc++;
-    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 = numSamples % 0x4U;
-
-#else
-
-  /* Initialize blkCnt with number of samples */
-  blkCnt = numSamples;
-
-#endif /* #if defined (ARM_MATH_LOOPUNROLL) */
-
-  while (blkCnt > 0U)
-  {
-    /* C[0] + jC[1] = A[0]+ j(-1)A[1] */
-
-    /* Calculate Complex Conjugate and store result in destination buffer. */
-    *pDst++ =  *pSrc++;
-    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 cmplx_conj group
- */
+/* ----------------------------------------------------------------------

+ * Project:      CMSIS DSP Library

+ * Title:        arm_cmplx_conj_q31.c

+ * Description:  Q31 complex conjugate

+ *

+ * $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 groupCmplxMath

+ */

+

+/**

+  @addtogroup cmplx_conj

+  @{

+ */

+

+/**

+  @brief         Q31 complex conjugate.

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

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

+  @param[in]     numSamples  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_cmplx_conj_q31(

+  const q31_t * pSrc,

+        q31_t * pDst,

+        uint32_t numSamples)

+{

+        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 = numSamples >> 2U;

+

+  while (blkCnt > 0U)

+  {

+    /* C[0] + jC[1] = A[0]+ j(-1)A[1] */

+

+    /* Calculate Complex Conjugate and store result in destination buffer. */

+    *pDst++ =  *pSrc++;

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

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

+#else

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

+#endif

+

+    *pDst++ =  *pSrc++;

+    in =  *pSrc++;

+#if defined (ARM_MATH_DSP)

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

+#else

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

+#endif

+

+    *pDst++ =  *pSrc++;

+    in = *pSrc++;

+#if defined (ARM_MATH_DSP)

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

+#else

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

+#endif

+

+    *pDst++ =  *pSrc++;

+    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 = numSamples % 0x4U;

+

+#else

+

+  /* Initialize blkCnt with number of samples */

+  blkCnt = numSamples;

+

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

+

+  while (blkCnt > 0U)

+  {

+    /* C[0] + jC[1] = A[0]+ j(-1)A[1] */

+

+    /* Calculate Complex Conjugate and store result in destination buffer. */

+    *pDst++ =  *pSrc++;

+    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 cmplx_conj group

+ */