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/MatrixFunctions/arm_mat_sub_q31.c | 357 ++++++++------------- 1 file changed, 139 insertions(+), 218 deletions(-) (limited to 'Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c') diff --git a/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c index 5045b29..8a5e693 100644 --- a/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c +++ b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_sub_q31.c @@ -1,218 +1,139 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_mat_sub_q31.c - * Description: Q31 matrix 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/matrix_functions.h" - -/** - @ingroup groupMatrix - */ - -/** - @addtogroup MatrixSub - @{ - */ - -/** - @brief Q31 matrix subtraction. - @param[in] pSrcA points to the first input matrix structure - @param[in] pSrcB points to the second input matrix structure - @param[out] pDst points to output matrix structure - @return execution status - - \ref ARM_MATH_SUCCESS : Operation successful - - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed - - @par Scaling and Overflow Behavior - The function uses saturating arithmetic. - Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated. - */ -#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE) -arm_status arm_mat_sub_q31( - const arm_matrix_instance_q31 * pSrcA, - const arm_matrix_instance_q31 * pSrcB, - arm_matrix_instance_q31 * pDst) -{ - uint32_t numSamples; /* total number of elements in the matrix */ - q31_t *pDataA, *pDataB, *pDataDst; - q31x4_t vecA, vecB, vecDst; - q31_t const *pSrcAVec; - q31_t const *pSrcBVec; - uint32_t blkCnt; /* loop counters */ - arm_status status; /* status of matrix subtraction */ - - pDataA = pSrcA->pData; - pDataB = pSrcB->pData; - pDataDst = pDst->pData; - pSrcAVec = (q31_t const *) pDataA; - pSrcBVec = (q31_t const *) pDataB; - -#ifdef ARM_MATH_MATRIX_CHECK - - /* Check for matrix mismatch condition */ - if ((pSrcA->numRows != pSrcB->numRows) || - (pSrcA->numCols != pSrcB->numCols) || - (pSrcA->numRows != pDst->numRows) || - (pSrcA->numCols != pDst->numCols) ) - { - /* Set status as ARM_MATH_SIZE_MISMATCH */ - status = ARM_MATH_SIZE_MISMATCH; - } - else - -#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ - { - - /* - * Total number of samples in the input matrix - */ - numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; - blkCnt = numSamples >> 2; - while (blkCnt > 0U) - { - /* C(m,n) = A(m,n) + B(m,n) */ - /* sub and then store the results in the destination buffer. */ - vecA = vld1q(pSrcAVec); - pSrcAVec += 4; - vecB = vld1q(pSrcBVec); - pSrcBVec += 4; - vecDst = vqsubq(vecA, vecB); - vst1q(pDataDst, vecDst); - pDataDst += 4; - /* - * Decrement the blockSize loop counter - */ - blkCnt--; - } - /* - * tail - */ - blkCnt = numSamples & 3; - if (blkCnt > 0U) - { - mve_pred16_t p0 = vctp32q(blkCnt); - vecA = vld1q(pSrcAVec); - pSrcAVec += 4; - vecB = vld1q(pSrcBVec); - pSrcBVec += 4; - vecDst = vqsubq_m(vecDst, vecA, vecB, p0); - vstrwq_p(pDataDst, vecDst, p0); - } - status = ARM_MATH_SUCCESS; - } - - /* Return to application */ - return (status); -} - -#else -arm_status arm_mat_sub_q31( - const arm_matrix_instance_q31 * pSrcA, - const arm_matrix_instance_q31 * pSrcB, - arm_matrix_instance_q31 * pDst) -{ - q31_t *pInA = pSrcA->pData; /* input data matrix pointer A */ - q31_t *pInB = pSrcB->pData; /* input data matrix pointer B */ - q31_t *pOut = pDst->pData; /* output data matrix pointer */ - - uint32_t numSamples; /* total number of elements in the matrix */ - uint32_t blkCnt; /* loop counters */ - arm_status status; /* status of matrix subtraction */ - -#ifdef ARM_MATH_MATRIX_CHECK - - /* Check for matrix mismatch condition */ - if ((pSrcA->numRows != pSrcB->numRows) || - (pSrcA->numCols != pSrcB->numCols) || - (pSrcA->numRows != pDst->numRows) || - (pSrcA->numCols != pDst->numCols) ) - { - /* Set status as ARM_MATH_SIZE_MISMATCH */ - status = ARM_MATH_SIZE_MISMATCH; - } - else - -#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ - - { - /* Total number of samples in input matrix */ - numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; - -#if defined (ARM_MATH_LOOPUNROLL) - - /* Loop unrolling: Compute 4 outputs at a time */ - blkCnt = numSamples >> 2U; - - while (blkCnt > 0U) - { - /* C(m,n) = A(m,n) - B(m,n) */ - - /* Subtract, saturate and then store the results in the destination buffer. */ - *pOut++ = __QSUB(*pInA++, *pInB++); - - *pOut++ = __QSUB(*pInA++, *pInB++); - - *pOut++ = __QSUB(*pInA++, *pInB++); - - *pOut++ = __QSUB(*pInA++, *pInB++); - - /* 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(m,n) = A(m,n) - B(m,n) */ - - /* Subtract, saturate and store result in destination buffer. */ - *pOut++ = __QSUB(*pInA++, *pInB++); - - /* Decrement loop counter */ - blkCnt--; - } - - /* Set status as ARM_MATH_SUCCESS */ - status = ARM_MATH_SUCCESS; - } - - /* Return to application */ - return (status); -} -#endif /* defined(ARM_MATH_MVEI) */ - -/** - @} end of MatrixSub group - */ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_mat_sub_q31.c + * Description: Q31 matrix 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 groupMatrix + */ + +/** + @addtogroup MatrixSub + @{ + */ + +/** + @brief Q31 matrix subtraction. + @param[in] pSrcA points to the first input matrix structure + @param[in] pSrcB points to the second input matrix structure + @param[out] pDst points to output matrix structure + @return execution status + - \ref ARM_MATH_SUCCESS : Operation successful + - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed + + @par Scaling and Overflow Behavior + The function uses saturating arithmetic. + Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated. + */ + +arm_status arm_mat_sub_q31( + const arm_matrix_instance_q31 * pSrcA, + const arm_matrix_instance_q31 * pSrcB, + arm_matrix_instance_q31 * pDst) +{ + q31_t *pInA = pSrcA->pData; /* input data matrix pointer A */ + q31_t *pInB = pSrcB->pData; /* input data matrix pointer B */ + q31_t *pOut = pDst->pData; /* output data matrix pointer */ + + uint32_t numSamples; /* total number of elements in the matrix */ + uint32_t blkCnt; /* loop counters */ + arm_status status; /* status of matrix subtraction */ + +#ifdef ARM_MATH_MATRIX_CHECK + + /* Check for matrix mismatch condition */ + if ((pSrcA->numRows != pSrcB->numRows) || + (pSrcA->numCols != pSrcB->numCols) || + (pSrcA->numRows != pDst->numRows) || + (pSrcA->numCols != pDst->numCols) ) + { + /* Set status as ARM_MATH_SIZE_MISMATCH */ + status = ARM_MATH_SIZE_MISMATCH; + } + else + +#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ + + { + /* Total number of samples in input matrix */ + numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; + +#if defined (ARM_MATH_LOOPUNROLL) + + /* Loop unrolling: Compute 4 outputs at a time */ + blkCnt = numSamples >> 2U; + + while (blkCnt > 0U) + { + /* C(m,n) = A(m,n) - B(m,n) */ + + /* Subtract, saturate and then store the results in the destination buffer. */ + *pOut++ = __QSUB(*pInA++, *pInB++); + + *pOut++ = __QSUB(*pInA++, *pInB++); + + *pOut++ = __QSUB(*pInA++, *pInB++); + + *pOut++ = __QSUB(*pInA++, *pInB++); + + /* 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(m,n) = A(m,n) - B(m,n) */ + + /* Subtract, saturate and store result in destination buffer. */ + *pOut++ = __QSUB(*pInA++, *pInB++); + + /* Decrement loop counter */ + blkCnt--; + } + + /* Set status as ARM_MATH_SUCCESS */ + status = ARM_MATH_SUCCESS; + } + + /* Return to application */ + return (status); +} + +/** + @} end of MatrixSub group + */ -- cgit v1.2.3