lib/Support/APInt.cpp

2322 APInt::tcSet(integerPart *dst, integerPart part, unsigned int parts)
2328   dst[0] = part;
2330     dst[i] = 0;
2335 APInt::tcAssign(integerPart *dst, const integerPart *src, unsigned int parts)
2340     dst[i] = src[i];
2422 APInt::tcExtract(integerPart *dst, unsigned int dstCount,const integerPart *src,
2431   tcAssign (dst, src + firstSrcPart, dstParts);
2434   tcShiftRight (dst, dstParts, shift);
2442     dst[dstParts - 1] |= ((src[firstSrcPart + dstParts] & mask)
2446       dst[dstParts - 1] &= lowBitMask (srcBits % integerPartWidth);
2451     dst[dstParts++] = 0;
2456 APInt::tcAdd(integerPart *dst, const integerPart *rhs,
2466     l = dst[i];
2468       dst[i] += rhs[i] + 1;
2469       c = (dst[i] <= l);
2471       dst[i] += rhs[i];
2472       c = (dst[i] < l);
2481 APInt::tcSubtract(integerPart *dst, const integerPart *rhs,
2491     l = dst[i];
2493       dst[i] -= rhs[i] + 1;
2494       c = (dst[i] >= l);
2496       dst[i] -= rhs[i];
2497       c = (dst[i] > l);
2506 APInt::tcNegate(integerPart *dst, unsigned int parts)
2508   tcComplement(dst, parts);
2509   tcIncrement(dst, parts);
2524 APInt::tcMultiplyPart(integerPart *dst, const integerPart *src,
2532   assert(dst <= src || dst >= src + srcParts);
2580       if (low + dst[i] < low)
2582       dst[i] += low;
2584       dst[i] = low;
2592     dst[i] = carry;
2617 APInt::tcMultiply(integerPart *dst, const integerPart *lhs,
2623   assert(dst != lhs && dst != rhs);
2626   tcSet(dst, 0, parts);
2629     overflow |= tcMultiplyPart(&dst[i], lhs, rhs[i], 0, parts,
2640 APInt::tcFullMultiply(integerPart *dst, const integerPart *lhs,
2646     return tcFullMultiply (dst, rhs, lhs, rhsParts, lhsParts);
2650     assert(dst != lhs && dst != rhs);
2652     tcSet(dst, 0, rhsParts);
2655       tcMultiplyPart(&dst[n], rhs, lhs[n], 0, rhsParts, rhsParts + 1, true);
2659     return n - (dst[n - 1] == 0);
2721 APInt::tcShiftLeft(integerPart *dst, unsigned int parts, unsigned int count)
2735       /* dst[i] comes from the two parts src[i - jump] and, if we have
2737       part = dst[parts - jump];
2741           part |= dst[parts - jump - 1] >> (integerPartWidth - shift);
2744       dst[parts] = part;
2748       dst[--parts] = 0;
2755 APInt::tcShiftRight(integerPart *dst, unsigned int parts, unsigned int count)
2772         part = dst[i + jump];
2776             part |= dst[i + jump + 1] << (integerPartWidth - shift);
2780       dst[i] = part;
2787 APInt::tcAnd(integerPart *dst, const integerPart *rhs, unsigned int parts)
2792     dst[i] &= rhs[i];
2797 APInt::tcOr(integerPart *dst, const integerPart *rhs, unsigned int parts)
2802     dst[i] |= rhs[i];
2807 APInt::tcXor(integerPart *dst, const integerPart *rhs, unsigned int parts)
2812     dst[i] ^= rhs[i];
2817 APInt::tcComplement(integerPart *dst, unsigned int parts)
2822     dst[i] = ~dst[i];
2846 APInt::tcIncrement(integerPart *dst, unsigned int parts)
2851     if (++dst[i] != 0)
2859 APInt::tcDecrement(integerPart *dst, unsigned int parts) {
2863     if (dst[i]--)
2874 APInt::tcSetLeastSignificantBits(integerPart *dst, unsigned int parts,
2881     dst[i++] = ~(integerPart) 0;
2886     dst[i++] = ~(integerPart) 0 >> (integerPartWidth - bits);
2889     dst[i++] = 0;