From 9c59a184dba820975e5da6fcd5d248aee87f7e2f Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Sun, 2 Feb 2025 11:26:53 -0500 Subject: add l476 implementation --- .../DSP/Source/SupportFunctions/arm_fill_q15.c | 234 +++++++++------------ 1 file changed, 100 insertions(+), 134 deletions(-) (limited to 'Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q15.c') diff --git a/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q15.c b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q15.c index 997a728..6296678 100644 --- a/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q15.c +++ b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q15.c @@ -1,134 +1,100 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_fill_q15.c - * Description: Fills a constant value into a Q15 vector - * - * $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/support_functions.h" - -/** - @ingroup groupSupport - */ - -/** - @addtogroup Fill - @{ - */ - -/** - @brief Fills a constant value into a Q15 vector. - @param[in] value input value to be filled - @param[out] pDst points to output vector - @param[in] blockSize number of samples in each vector - @return none - */ -#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE) -void arm_fill_q15( - q15_t value, - q15_t * pDst, - uint32_t blockSize) -{ - uint32_t blkCnt; - blkCnt = blockSize >> 3; - while (blkCnt > 0U) - { - - vstrhq_s16(pDst,vdupq_n_s16(value)); - /* - * Decrement the blockSize loop counter - * Advance vector source and destination pointers - */ - pDst += 8; - blkCnt --; - } - - blkCnt = blockSize & 7; - while (blkCnt > 0U) - { - /* C = value */ - - /* Fill value in destination buffer */ - *pDst++ = value; - - /* Decrement loop counter */ - blkCnt--; - } -} - -#else -void arm_fill_q15( - q15_t value, - q15_t * pDst, - uint32_t blockSize) -{ - uint32_t blkCnt; /* Loop counter */ - -#if defined (ARM_MATH_LOOPUNROLL) - q31_t packedValue; /* value packed to 32 bits */ - - /* Packing two 16 bit values to 32 bit value in order to use SIMD */ - packedValue = __PKHBT(value, value, 16U); - - /* Loop unrolling: Compute 4 outputs at a time */ - blkCnt = blockSize >> 2U; - - while (blkCnt > 0U) - { - /* C = value */ - - /* fill 2 times 2 samples at a time */ - write_q15x2_ia (&pDst, packedValue); - write_q15x2_ia (&pDst, packedValue); - - /* 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 = value */ - - /* Fill value in destination buffer */ - *pDst++ = value; - - /* Decrement loop counter */ - blkCnt--; - } -} -#endif /* defined(ARM_MATH_MVEI) */ - -/** - @} end of Fill group - */ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_fill_q15.c + * Description: Fills a constant value into a Q15 vector + * + * $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 groupSupport + */ + +/** + @addtogroup Fill + @{ + */ + +/** + @brief Fills a constant value into a Q15 vector. + @param[in] value input value to be filled + @param[out] pDst points to output vector + @param[in] blockSize number of samples in each vector + @return none + */ + +void arm_fill_q15( + q15_t value, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* Loop counter */ + +#if defined (ARM_MATH_LOOPUNROLL) + q31_t packedValue; /* value packed to 32 bits */ + + /* Packing two 16 bit values to 32 bit value in order to use SIMD */ + packedValue = __PKHBT(value, value, 16U); + + /* Loop unrolling: Compute 4 outputs at a time */ + blkCnt = blockSize >> 2U; + + while (blkCnt > 0U) + { + /* C = value */ + + /* fill 2 times 2 samples at a time */ + write_q15x2_ia (&pDst, packedValue); + write_q15x2_ia (&pDst, packedValue); + + /* 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 = value */ + + /* Fill value in destination buffer */ + *pDst++ = value; + + /* Decrement loop counter */ + blkCnt--; + } +} + +/** + @} end of Fill group + */ -- cgit v1.2.3