regop.isa (6430:4c5671ecceda) regop.isa (6441:801f1fc07a58)
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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643 flag_code = '''
644 // If the shift amount is zero, no flags should be modified.
645 if (shiftAmt) {
646 //Zero out any flags we might modify. This way we only have to
647 //worry about setting them.
648 ccFlagBits = ccFlagBits & ~(ext & (CFBit | ECFBit | OFBit));
649 int CFBits = 0;
650 //Figure out if we -would- set the CF bits if requested.
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

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

643 flag_code = '''
644 // If the shift amount is zero, no flags should be modified.
645 if (shiftAmt) {
646 //Zero out any flags we might modify. This way we only have to
647 //worry about setting them.
648 ccFlagBits = ccFlagBits & ~(ext & (CFBit | ECFBit | OFBit));
649 int CFBits = 0;
650 //Figure out if we -would- set the CF bits if requested.
651 if (bits(SrcReg1, dataSize * 8 - shiftAmt))
651 if (shiftAmt <= dataSize * 8 &&
652 bits(SrcReg1, dataSize * 8 - shiftAmt)) {
652 CFBits = 1;
653 CFBits = 1;
654 }
653 //If some combination of the CF bits need to be set, set them.
654 if ((ext & (CFBit | ECFBit)) && CFBits)
655 ccFlagBits = ccFlagBits | (ext & (CFBit | ECFBit));
656 //Figure out what the OF bit should be.
657 if ((ext & OFBit) && (CFBits ^ bits(DestReg, dataSize * 8 - 1)))
658 ccFlagBits = ccFlagBits | OFBit;
659 //Use the regular mechanisms to calculate the other flags.
660 ccFlagBits = genFlags(ccFlagBits, ext & ~(CFBit | ECFBit | OFBit),

--- 640 unchanged lines hidden --- 		655 //If some combination of the CF bits need to be set, set them.
656 if ((ext & (CFBit | ECFBit)) && CFBits)
657 ccFlagBits = ccFlagBits | (ext & (CFBit | ECFBit));
658 //Figure out what the OF bit should be.
659 if ((ext & OFBit) && (CFBits ^ bits(DestReg, dataSize * 8 - 1)))
660 ccFlagBits = ccFlagBits | OFBit;
661 //Use the regular mechanisms to calculate the other flags.
662 ccFlagBits = genFlags(ccFlagBits, ext & ~(CFBit | ECFBit | OFBit),

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