================ Comment at: lib/builtins/divtf3.c:82 @@ +81,3 @@ + const uint64_t q63b = bSignificand >> 49; + uint64_t recip64 = UINT64_C(0x7504f333F9DE6484) - q63b; + // 0x7504f333F9DE6484 / 2^64 + 1 = 3/4 + 1/sqrt(2) ---------------- Do we really need the full 64bit constant here? http://reviews.llvm.org/D2800