compressed.isa revision 12428
1// -*- mode:c++ -*- 2 3// Copyright (c) 2015 RISC-V Foundation 4// Copyright (c) 2017 The University of Virginia 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions are 9// met: redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer; 11// redistributions in binary form must reproduce the above copyright 12// notice, this list of conditions and the following disclaimer in the 13// documentation and/or other materials provided with the distribution; 14// neither the name of the copyright holders nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29// 30// Authors: Alec Roelke 31def format CROp(code, *opt_flags) {{ 32 iop = InstObjParams(name, Name, 'CompRegOp', code, opt_flags) 33 header_output = BasicDeclare.subst(iop) 34 decoder_output = BasicConstructor.subst(iop) 35 decode_block = BasicDecode.subst(iop) 36 exec_output = BasicExecute.subst(iop) 37}}; 38 39def format CIOp(imm_code, code, imm_type='int64_t', *opt_flags) {{ 40 regs = ['_destRegIdx[0]','_srcRegIdx[0]'] 41 iop = InstObjParams(name, Name, 'ImmOp<%s>' % imm_type, 42 {'code': code, 'imm_code': imm_code, 43 'regs': ','.join(regs)}, opt_flags) 44 header_output = ImmDeclare.subst(iop) 45 decoder_output = ImmConstructor.subst(iop) 46 decode_block = BasicDecode.subst(iop) 47 exec_output = ImmExecute.subst(iop) 48}}; 49 50def format CompressedLoad(ldisp_code, memacc_code, 51 ea_code, mem_flags=[], inst_flags=[]) {{ 52 (header_output, decoder_output, decode_block, exec_output) = \ 53 LoadStoreBase(name, Name, ldisp_code, ea_code, memacc_code, mem_flags, 54 inst_flags, 'Load', exec_template_base='Load') 55}}; 56 57def format CompressedStore(sdisp_code, memacc_code, 58 ea_code, mem_flags=[], inst_flags=[]) {{ 59 (header_output, decoder_output, decode_block, exec_output) = \ 60 LoadStoreBase(name, Name, sdisp_code, ea_code, memacc_code, mem_flags, 61 inst_flags, 'Store', exec_template_base='Store') 62}};