//------------------------------sub--------------------------------------------
// A subtract node differences it's two inputs.
const Type *SubDNode::sub( const Type *t1, const Type *t2 ) const {
// no folding if one of operands is infinity or NaN, do not do constant folding
if( g_isfinite(t1->getd()) && g_isfinite(t2->getd()) ) {
return TypeD::make( t1->getd() - t2->getd() );
}
else if( g_isnan(t1->getd()) ) {
return t1;
}
else if( g_isnan(t2->getd()) ) {
return t2;
}
else {
return Type::DOUBLE;
}
}
jlong double2long(jdouble f) {
jlong tmp = (jlong) f;
if (tmp != high_bit) {
return tmp;
} else {
if (g_isnan(f)) {
return 0;
}
if (f < 0) {
return high_bit;
} else {
return other_bits;
}
}
}