FpDestReg.uqw = result;
'''
+ class Maddi(MediaOp):
+ code = '''
+ assert(srcSize == destSize);
+ int size = srcSize;
+ int sizeBits = size * 8;
+ int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size);
+ uint64_t result = FpDestReg.uqw;
+
+ for (int i = 0; i < items; i++) {
+ int hiIndex = (i + 1) * sizeBits - 1;
+ int loIndex = (i + 0) * sizeBits;
+ uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex);
+ uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex);
+ uint64_t resBits = arg1Bits + arg2Bits;
+
+ if (ext & 0x2) {
+ if (findCarry(sizeBits, resBits, arg1Bits, arg2Bits))
+ resBits = mask(sizeBits);
+ } else if (ext & 0x4) {
+ int arg1Sign = bits(arg1Bits, sizeBits - 1);
+ int arg2Sign = bits(arg2Bits, sizeBits - 1);
+ int resSign = bits(resBits, sizeBits - 1);
+ if ((arg1Sign == arg2Sign) && (arg1Sign != resSign)) {
+ if (resSign == 0)
+ resBits = (1 << (sizeBits - 1));
+ else
+ resBits = mask(sizeBits - 1);
+ }
+ }
+
+ result = insertBits(result, hiIndex, loIndex, resBits);
+ }
+ FpDestReg.uqw = result;
+ '''
+
class Cvti2f(MediaOp):
def __init__(self, dest, src, \
size = None, destSize = None, srcSize = None, ext = None):