vector_register_state.hh revision 11308
111308Santhony.gutierrez@amd.com/* 211308Santhony.gutierrez@amd.com * Copyright (c) 2015 Advanced Micro Devices, Inc. 311308Santhony.gutierrez@amd.com * All rights reserved. 411308Santhony.gutierrez@amd.com * 511308Santhony.gutierrez@amd.com * For use for simulation and test purposes only 611308Santhony.gutierrez@amd.com * 711308Santhony.gutierrez@amd.com * Redistribution and use in source and binary forms, with or without 811308Santhony.gutierrez@amd.com * modification, are permitted provided that the following conditions are met: 911308Santhony.gutierrez@amd.com * 1011308Santhony.gutierrez@amd.com * 1. Redistributions of source code must retain the above copyright notice, 1111308Santhony.gutierrez@amd.com * this list of conditions and the following disclaimer. 1211308Santhony.gutierrez@amd.com * 1311308Santhony.gutierrez@amd.com * 2. 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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 2511308Santhony.gutierrez@amd.com * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2611308Santhony.gutierrez@amd.com * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2711308Santhony.gutierrez@amd.com * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2811308Santhony.gutierrez@amd.com * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2911308Santhony.gutierrez@amd.com * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3011308Santhony.gutierrez@amd.com * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3111308Santhony.gutierrez@amd.com * POSSIBILITY OF SUCH DAMAGE. 3211308Santhony.gutierrez@amd.com * 3311308Santhony.gutierrez@amd.com * Author: John Kalamatianos 3411308Santhony.gutierrez@amd.com */ 3511308Santhony.gutierrez@amd.com 3611308Santhony.gutierrez@amd.com#ifndef __VECTOR_REGISTER_STATE_HH__ 3711308Santhony.gutierrez@amd.com#define __VECTOR_REGISTER_STATE_HH__ 3811308Santhony.gutierrez@amd.com 3911308Santhony.gutierrez@amd.com#include <array> 4011308Santhony.gutierrez@amd.com#include <cassert> 4111308Santhony.gutierrez@amd.com#include <string> 4211308Santhony.gutierrez@amd.com#include <vector> 4311308Santhony.gutierrez@amd.com 4411308Santhony.gutierrez@amd.com#include "gpu-compute/misc.hh" 4511308Santhony.gutierrez@amd.com 4611308Santhony.gutierrez@amd.comclass ComputeUnit; 4711308Santhony.gutierrez@amd.com 4811308Santhony.gutierrez@amd.com// Vector Register State per SIMD unit (contents of the vector 4911308Santhony.gutierrez@amd.com// registers in the VRF of the SIMD) 5011308Santhony.gutierrez@amd.comclass VecRegisterState 5111308Santhony.gutierrez@amd.com{ 5211308Santhony.gutierrez@amd.com public: 5311308Santhony.gutierrez@amd.com VecRegisterState(); 5411308Santhony.gutierrez@amd.com void init(uint32_t _size); 5511308Santhony.gutierrez@amd.com 5611308Santhony.gutierrez@amd.com const std::string& name() const { return _name; } 5711308Santhony.gutierrez@amd.com void setParent(ComputeUnit *_computeUnit); 5811308Santhony.gutierrez@amd.com void regStats() { } 5911308Santhony.gutierrez@amd.com 6011308Santhony.gutierrez@amd.com // Access methods 6111308Santhony.gutierrez@amd.com template<typename T> 6211308Santhony.gutierrez@amd.com T 6311308Santhony.gutierrez@amd.com read(int regIdx, int threadId=0) { 6411308Santhony.gutierrez@amd.com T *p0; 6511308Santhony.gutierrez@amd.com assert(sizeof(T) == 4 || sizeof(T) == 8); 6611308Santhony.gutierrez@amd.com if (sizeof(T) == 4) { 6711308Santhony.gutierrez@amd.com p0 = (T*)(&s_reg[regIdx][threadId]); 6811308Santhony.gutierrez@amd.com } else { 6911308Santhony.gutierrez@amd.com p0 = (T*)(&d_reg[regIdx][threadId]); 7011308Santhony.gutierrez@amd.com } 7111308Santhony.gutierrez@amd.com 7211308Santhony.gutierrez@amd.com return *p0; 7311308Santhony.gutierrez@amd.com } 7411308Santhony.gutierrez@amd.com 7511308Santhony.gutierrez@amd.com template<typename T> 7611308Santhony.gutierrez@amd.com void 7711308Santhony.gutierrez@amd.com write(unsigned int regIdx, T value, int threadId=0) { 7811308Santhony.gutierrez@amd.com T *p0; 7911308Santhony.gutierrez@amd.com assert(sizeof(T) == 4 || sizeof(T) == 8); 8011308Santhony.gutierrez@amd.com if (sizeof(T) == 4) { 8111308Santhony.gutierrez@amd.com p0 = (T*)(&s_reg[regIdx][threadId]); 8211308Santhony.gutierrez@amd.com } else { 8311308Santhony.gutierrez@amd.com p0 = (T*)(&d_reg[regIdx][threadId]); 8411308Santhony.gutierrez@amd.com } 8511308Santhony.gutierrez@amd.com 8611308Santhony.gutierrez@amd.com *p0 = value; 8711308Santhony.gutierrez@amd.com } 8811308Santhony.gutierrez@amd.com 8911308Santhony.gutierrez@amd.com // (Single Precision) Vector Register File size. 9011308Santhony.gutierrez@amd.com int regSize() { return s_reg.size(); } 9111308Santhony.gutierrez@amd.com 9211308Santhony.gutierrez@amd.com private: 9311308Santhony.gutierrez@amd.com ComputeUnit *computeUnit; 9411308Santhony.gutierrez@amd.com std::string _name; 9511308Santhony.gutierrez@amd.com // 32-bit Single Precision Vector Register State 9611308Santhony.gutierrez@amd.com std::vector<std::array<uint32_t, VSZ>> s_reg; 9711308Santhony.gutierrez@amd.com // 64-bit Double Precision Vector Register State 9811308Santhony.gutierrez@amd.com std::vector<std::array<uint64_t, VSZ>> d_reg; 9911308Santhony.gutierrez@amd.com}; 10011308Santhony.gutierrez@amd.com 10111308Santhony.gutierrez@amd.com#endif // __VECTOR_REGISTER_STATE_HH__ 102