estimateSqrt32   1477 arch/arm/nwfpe/softfloat.c     zSig = estimateSqrt32( aExp, aSig ) + 2;
estimateSqrt32   2359 arch/arm/nwfpe/softfloat.c     zSig = estimateSqrt32( aExp, aSig>>21 );
estimateSqrt32   3200 arch/arm/nwfpe/softfloat.c     zSig0 = estimateSqrt32( aExp, aSig0>>32 );