regop.isa (6441:801f1fc07a58) regop.isa (6442:580a6fbc7585)
1// Copyright (c) 2007-2008 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

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675 '''
676 flag_code = '''
677 // If the shift amount is zero, no flags should be modified.
678 if (shiftAmt) {
679 //Zero out any flags we might modify. This way we only have to
680 //worry about setting them.
681 ccFlagBits = ccFlagBits & ~(ext & (CFBit | ECFBit | OFBit));
682 //If some combination of the CF bits need to be set, set them.
1// Copyright (c) 2007-2008 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

--- 666 unchanged lines hidden (view full) ---

675 '''
676 flag_code = '''
677 // If the shift amount is zero, no flags should be modified.
678 if (shiftAmt) {
679 //Zero out any flags we might modify. This way we only have to
680 //worry about setting them.
681 ccFlagBits = ccFlagBits & ~(ext & (CFBit | ECFBit | OFBit));
682 //If some combination of the CF bits need to be set, set them.
683 if ((ext & (CFBit | ECFBit)) && bits(SrcReg1, shiftAmt - 1))
683 if ((ext & (CFBit | ECFBit)) &&
684 shiftAmt <= dataSize * 8 &&
685 bits(SrcReg1, shiftAmt - 1)) {
684 ccFlagBits = ccFlagBits | (ext & (CFBit | ECFBit));
686 ccFlagBits = ccFlagBits | (ext & (CFBit | ECFBit));
687 }
685 //Figure out what the OF bit should be.
686 if ((ext & OFBit) && bits(SrcReg1, dataSize * 8 - 1))
687 ccFlagBits = ccFlagBits | OFBit;
688 //Use the regular mechanisms to calculate the other flags.
689 ccFlagBits = genFlags(ccFlagBits, ext & ~(CFBit | ECFBit | OFBit),
690 DestReg, psrc1, op2);
691 }
692 '''

--- 610 unchanged lines hidden --- 		688 //Figure out what the OF bit should be.
689 if ((ext & OFBit) && bits(SrcReg1, dataSize * 8 - 1))
690 ccFlagBits = ccFlagBits | OFBit;
691 //Use the regular mechanisms to calculate the other flags.
692 ccFlagBits = genFlags(ccFlagBits, ext & ~(CFBit | ECFBit | OFBit),
693 DestReg, psrc1, op2);
694 }
695 '''

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