128 lines
8.4 KiB
C++
128 lines
8.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2025, MINRES Technologies GmbH
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Contributors:
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// alex@minres.com - initial API and implementation
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////////////////////////////////////////////////////////////////////////////////
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#ifndef _VM_VECTOR_FUNCTIONS_H_
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#define _VM_VECTOR_FUNCTIONS_H_
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#include "iss/arch_if.h"
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#include "iss/vm_types.h"
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#include <cstdint>
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#include <functional>
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#include <stdint.h>
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namespace softvector {
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const unsigned RFS = 32;
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struct vtype_t {
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uint64_t underlying;
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vtype_t(uint32_t vtype_val);
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vtype_t(uint64_t vtype_val);
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unsigned sew();
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double lmul();
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bool vill();
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bool vma();
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bool vta();
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};
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struct vmask_view {
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uint8_t* start;
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size_t elem_count;
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bool operator[](size_t) const;
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};
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enum class carry_t { NO_CARRY = 0, ADD_CARRY = 1, SUB_CARRY = 2 };
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vmask_view read_vmask(uint8_t* V, uint16_t VLEN, uint16_t elem_count, uint8_t reg_idx = 0);
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template <unsigned VLEN> vmask_view read_vmask(uint8_t* V, uint16_t elem_count, uint8_t reg_idx = 0);
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bool softvec_read(void* core, uint64_t addr, uint64_t length, uint8_t* data);
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bool softvec_write(void* core, uint64_t addr, uint64_t length, uint8_t* data);
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template <unsigned VLEN, typename eew_t>
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uint64_t vector_load_store(void* core, std::function<bool(void*, uint64_t, uint64_t, uint8_t*)> load_store_fn, uint8_t* V, uint64_t vl,
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uint64_t vstart, vtype_t vtype, bool vm, uint8_t vd, uint64_t rs1, uint8_t segment_size, int64_t stride = 0,
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bool use_stride = false);
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template <unsigned XLEN, unsigned VLEN, typename eew_t, typename sew_t>
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uint64_t vector_load_store_index(void* core, std::function<bool(void*, uint64_t, uint64_t, uint8_t*)> load_store_fn, uint8_t* V,
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uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, uint8_t vd, uint64_t rs1, uint8_t vs2,
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uint8_t segment_size);
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template <unsigned VLEN, typename dest_elem_t, typename src2_elem_t = dest_elem_t, typename src1_elem_t = src2_elem_t>
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void vector_vector_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd,
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unsigned vs2, unsigned vs1, carry_t carry = carry_t::NO_CARRY, bool merge = false);
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template <unsigned VLEN, typename dest_elem_t, typename src2_elem_t = dest_elem_t, typename src1_elem_t = src2_elem_t>
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void vector_imm_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd,
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unsigned vs2, typename std::make_signed<src1_elem_t>::type imm, carry_t carry = carry_t::NO_CARRY, bool merge = false);
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template <unsigned VLEN, typename dest_elem_t, typename src2_elem_t = dest_elem_t>
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void vector_unary_op(uint8_t* V, unsigned unary_op, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2);
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template <unsigned VLEN, typename elem_t>
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void mask_vector_vector_op(uint8_t* V, unsigned funct, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd,
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unsigned vs2, unsigned vs1);
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template <unsigned VLEN, typename elem_t>
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void mask_vector_imm_op(uint8_t* V, unsigned funct, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd,
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unsigned vs2, typename std::make_signed<elem_t>::type imm);
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void carry_vector_vector_op(uint8_t* V, unsigned funct, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2,
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unsigned vs1);
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template <unsigned VLEN, typename elem_t>
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void carry_vector_imm_op(uint8_t* V, unsigned funct, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2,
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typename std::make_signed<elem_t>::type imm);
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template <unsigned VLEN, typename dest_elem_t, typename src2_elem_t = dest_elem_t, typename src1_elem_t = dest_elem_t>
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bool sat_vector_vector_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, int64_t vxrm, bool vm,
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unsigned vd, unsigned vs2, unsigned vs1);
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template <unsigned VLEN, typename dest_elem_t, typename src2_elem_t = dest_elem_t, typename src1_elem_t = dest_elem_t>
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bool sat_vector_imm_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, int64_t vxrm, bool vm,
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unsigned vd, unsigned vs2, typename std::make_signed<src1_elem_t>::type imm);
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template <unsigned VLEN, typename dest_elem_t, typename src_elem_t = dest_elem_t>
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void vector_red_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd,
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unsigned vs2, unsigned vs1);
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template <unsigned VLEN>
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void mask_mask_op(uint8_t* V, unsigned funct6, unsigned funct3, uint64_t vl, uint64_t vstart, unsigned vd, unsigned vs2, unsigned vs1);
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template <unsigned VLEN> uint64_t vcpop(uint8_t* V, uint64_t vl, uint64_t vstart, bool vm, unsigned vs2);
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template <unsigned VLEN> uint64_t vfirst(uint8_t* V, uint64_t vl, uint64_t vstart, bool vm, unsigned vs2);
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template <unsigned VLEN> void mask_set_op(uint8_t* V, unsigned enc, uint64_t vl, uint64_t vstart, bool vm, unsigned vd, unsigned vs2);
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template <unsigned VLEN, typename src_elem_t>
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void viota(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2);
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template <unsigned VLEN, typename src_elem_t> void vid(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd);
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template <unsigned VLEN, typename src_elem_t> uint64_t scalar_move(uint8_t* V, vtype_t vtype, unsigned vd, uint64_t val, bool to_vector);
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template <unsigned VLEN, typename src_elem_t>
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void vector_slide(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2, int64_t imm);
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template <unsigned VLEN, typename src_elem_t>
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void vector_slide1up(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2, int64_t imm);
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template <unsigned VLEN, typename src_elem_t>
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void vector_slide1down(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2, int64_t imm);
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template <unsigned VLEN, typename dest_elem_t, typename scr_elem_t = dest_elem_t>
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void vector_vector_gather(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2, unsigned vs1);
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template <unsigned VLEN, typename scr_elem_t>
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void vector_imm_gather(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, bool vm, unsigned vd, unsigned vs2, uint64_t imm);
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template <unsigned VLEN, typename scr_elem_t>
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void vector_compress(uint8_t* V, uint64_t vl, uint64_t vstart, vtype_t vtype, unsigned vd, unsigned vs2, unsigned vs1);
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template <unsigned VLEN> void vector_whole_move(uint8_t* V, unsigned vd, unsigned vs2, unsigned count);
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} // namespace softvector
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#include "vm/vector_functions.hpp"
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#endif /* _VM_VECTOR_FUNCTIONS_H_ */
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