add l476 implementationl476

1 files changed, 119 insertions, 168 deletions

diff --git a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c
index 7be80db..b50c109 100644
--- a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c
+++ b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c
@@ -1,168 +1,119 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_mult_q7.c
- * Description:  Q7 vector multiplication
- *
- * $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 BasicMult
-  @{
- */
-
-/**
-  @brief         Q7 vector multiplication
-  @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
-
-  @par           Scaling and Overflow Behavior
-                   The function uses saturating arithmetic.
-                   Results outside of the allowable Q7 range [0x80 0x7F] are saturated.
- */
-#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
-
-#include "arm_helium_utils.h"
-
-void arm_mult_q7(
-    const q7_t * pSrcA,
-    const q7_t * pSrcB,
-    q7_t * pDst,
-    uint32_t blockSize)
-{
-    uint32_t  blkCnt;           /* loop counters */
-    q7x16_t vecA, vecB;
-
-    /* Compute 16 outputs at a time */
-    blkCnt = blockSize >> 4;
-    while (blkCnt > 0U)
-    {
-        /*
-         * C = A * B
-         * Multiply the inputs and then store the results in the destination buffer.
-         */
-        vecA = vld1q(pSrcA);
-        vecB = vld1q(pSrcB);
-        vst1q(pDst, vqdmulhq(vecA, vecB));
-        /*
-         * Decrement the blockSize loop counter
-         */
-        blkCnt--;
-        /*
-         * advance vector source and destination pointers
-         */
-        pSrcA  += 16;
-        pSrcB  += 16;
-        pDst   += 16;
-    }
-    /*
-     * tail
-     */
-    blkCnt = blockSize & 0xF;
-    if (blkCnt > 0U)
-    {
-        mve_pred16_t p0 = vctp8q(blkCnt);
-        vecA = vld1q(pSrcA);
-        vecB = vld1q(pSrcB);
-        vstrbq_p(pDst, vqdmulhq(vecA, vecB), p0);
-    }
-}
-
-#else
-void arm_mult_q7(
-  const q7_t * pSrcA,
-  const q7_t * pSrcB,
-        q7_t * pDst,
-        uint32_t blockSize)
-{
-        uint32_t blkCnt;                               /* Loop counter */
-
-#if defined (ARM_MATH_LOOPUNROLL)
-
-#if defined (ARM_MATH_DSP)
-  q7_t out1, out2, out3, out4;                   /* Temporary output variables */
-#endif
-
-  /* Loop unrolling: Compute 4 outputs at a time */
-  blkCnt = blockSize >> 2U;
-
-  while (blkCnt > 0U)
-  {
-    /* C = A * B */
-
-#if defined (ARM_MATH_DSP)
-    /* Multiply inputs and store results in temporary variables */
-    out1 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    out2 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    out3 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    out4 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-
-    /* Pack and store result in destination buffer (in single write) */
-    write_q7x4_ia (&pDst, __PACKq7(out1, out2, out3, out4));
-#else
-    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-#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 * B */
-
-    /* Multiply input and store result in destination buffer. */
-    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-
-    /* Decrement loop counter */
-    blkCnt--;
-  }
-
-}
-#endif /* defined(ARM_MATH_MVEI) */
-
-/**
-  @} end of BasicMult group
- */
+/* ----------------------------------------------------------------------

+ * Project:      CMSIS DSP Library

+ * Title:        arm_mult_q7.c

+ * Description:  Q7 vector multiplication

+ *

+ * $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 BasicMult

+  @{

+ */

+

+/**

+  @brief         Q7 vector multiplication

+  @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

+

+  @par           Scaling and Overflow Behavior

+                   The function uses saturating arithmetic.

+                   Results outside of the allowable Q7 range [0x80 0x7F] are saturated.

+ */

+

+void arm_mult_q7(

+  const q7_t * pSrcA,

+  const q7_t * pSrcB,

+        q7_t * pDst,

+        uint32_t blockSize)

+{

+        uint32_t blkCnt;                               /* Loop counter */

+

+#if defined (ARM_MATH_LOOPUNROLL)

+

+#if defined (ARM_MATH_DSP)

+  q7_t out1, out2, out3, out4;                   /* Temporary output variables */

+#endif

+

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

+  blkCnt = blockSize >> 2U;

+

+  while (blkCnt > 0U)

+  {

+    /* C = A * B */

+

+#if defined (ARM_MATH_DSP)

+    /* Multiply inputs and store results in temporary variables */

+    out1 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    out2 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    out3 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    out4 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+

+    /* Pack and store result in destination buffer (in single write) */

+    write_q7x4_ia (&pDst, __PACKq7(out1, out2, out3, out4));

+#else

+    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+#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 * B */

+

+    /* Multiply input and store result in destination buffer. */

+    *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);

+

+    /* Decrement loop counter */

+    blkCnt--;

+  }

+

+}

+

+/**

+  @} end of BasicMult group

+ */