regop.isa (4951:1b51fb0c3983) | regop.isa (5007:121fa5d20f59) |
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1// Copyright (c) 2007 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// Redistribution and use of this software in source and binary forms, 5// with or without modification, are permitted provided that the 6// following conditions are met: 7// 8// The software must be used only for Non-Commercial Use which means any --- 647 unchanged lines hidden (view full) --- 656 DestReg = merge(DestReg, flag, dataSize); 657 ccFlagBits = ccFlagBits & ~EZFBit; 658 ccFlagBits = ccFlagBits | ((flag == 0) ? EZFBit : 0); 659 ''') 660 661 defineMicroRegOpImm('Sext', ''' 662 IntReg val = psrc1; 663 int sign_bit = bits(val, imm8-1, imm8-1); | 1// Copyright (c) 2007 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// Redistribution and use of this software in source and binary forms, 5// with or without modification, are permitted provided that the 6// following conditions are met: 7// 8// The software must be used only for Non-Commercial Use which means any --- 647 unchanged lines hidden (view full) --- 656 DestReg = merge(DestReg, flag, dataSize); 657 ccFlagBits = ccFlagBits & ~EZFBit; 658 ccFlagBits = ccFlagBits | ((flag == 0) ? EZFBit : 0); 659 ''') 660 661 defineMicroRegOpImm('Sext', ''' 662 IntReg val = psrc1; 663 int sign_bit = bits(val, imm8-1, imm8-1); |
664 val = sign_bit ? (val | ~mask(imm8)) : val; 665 DestReg = merge(DestReg, val, dataSize);''') | 664 uint64_t maskVal = mask(imm8); 665 val = sign_bit ? (val | ~maskVal) : (val & maskVal); 666 DestReg = merge(DestReg, val, dataSize); 667 ''') |
666 667 defineMicroRegOpImm('Zext', 'DestReg = bits(psrc1, imm8-1, 0);') 668}}; | 668 669 defineMicroRegOpImm('Zext', 'DestReg = bits(psrc1, imm8-1, 0);') 670}}; |