compiler-rt/lib/truncdfsf2.c

45 static const int srcSigBits = 52;
75     const int srcExpBits = srcBits - srcSigBits - 1;
79     const src_rep_t srcMinNormal = SRC_REP_C(1) << srcSigBits;
81     const src_rep_t srcInfinity = (src_rep_t)srcInfExp << srcSigBits;
82     const src_rep_t srcSignMask = SRC_REP_C(1) << (srcSigBits + srcExpBits);
84     const src_rep_t roundMask = (SRC_REP_C(1) << (srcSigBits - dstSigBits)) - 1;
85     const src_rep_t halfway = SRC_REP_C(1) << (srcSigBits - dstSigBits - 1);
94     const src_rep_t underflow = (src_rep_t)underflowExponent << srcSigBits;
95     const src_rep_t overflow = (src_rep_t)overflowExponent << srcSigBits;
110         absResult = aAbs >> (srcSigBits - dstSigBits);
142         const int aExp = aAbs >> srcSigBits;
148         if (shift > srcSigBits) {
153             absResult = denormalizedSignificand >> (srcSigBits - dstSigBits);