272     case TW_Denormal:  in f2xm1()
354   if ( st0_tag == TW_Denormal )  in fptan()
423   if ( st0_tag == TW_Denormal )  in fxtract()
525   else if ( st0_tag == TW_Denormal )  in fsqrt_()
563       if ( st0_tag == TW_Denormal )  in frndint_()
586   if ( st0_tag == TW_Denormal )  in frndint_()
639   if ( tag == TW_Denormal )  in fsin()
733   if ( tag == TW_Denormal )  in f_cos()
1053   if ( ((st0_tag == TAG_Valid) && (st1_tag == TW_Denormal))  in do_fprem()
1054 	    || ((st0_tag == TW_Denormal) && (st1_tag == TAG_Valid))  in do_fprem()
1055 	    || ((st0_tag == TW_Denormal) && (st1_tag == TW_Denormal)) )  in do_fprem()
1072       else if ( st1_tag == TW_Denormal )  in do_fprem()
1083   else if ( (st0_tag == TAG_Valid) || (st0_tag == TW_Denormal) )  in do_fprem()
1092 	  if ( ((st0_tag == TW_Denormal) || (st1_tag == TW_Denormal))  in do_fprem()
1140 	  if ( st0_tag == TW_Denormal )  in fyl2x()
1174 	      if ( st1_tag == TW_Denormal )  in fyl2x()
1204   else if ( (st0_tag <= TW_Denormal) && (st1_tag <= TW_Denormal) )  in fyl2x()
1236 	  else if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2x()
1273 	  if ( (st1_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2x()
1281   else if ( ((st0_tag == TAG_Valid) || (st0_tag == TW_Denormal))  in fyl2x()
1301 	  if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2x()
1353   if ( ((st0_tag == TAG_Valid) && (st1_tag == TW_Denormal))  in fpatan()
1354 	    || ((st0_tag == TW_Denormal) && (st1_tag == TAG_Valid))  in fpatan()
1355 	    || ((st0_tag == TW_Denormal) && (st1_tag == TW_Denormal)) )  in fpatan()
1396 	      if ( (st1_tag == TW_Denormal) && (denormal_operand() < 0) )  in fpatan()
1415 	  if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fpatan()
1427       if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fpatan()
1445       if ( (st1_tag == TW_Denormal) && (denormal_operand() < 0) )  in fpatan()
1502   if ( ((st0_tag == TAG_Valid) && (st1_tag == TW_Denormal))  in fyl2xp1()
1503 	    || ((st0_tag == TW_Denormal) && (st1_tag == TAG_Valid))  in fyl2xp1()
1504 	    || ((st0_tag == TW_Denormal) && (st1_tag == TW_Denormal)) )  in fyl2xp1()
1520 	case TW_Denormal:  in fyl2xp1()
1549   else if ( (st0_tag == TAG_Valid) || (st0_tag == TW_Denormal) )  in fyl2xp1()
1566 	      else if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1571 	  else if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1589 	      else if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1594 	  else if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1623 	  if ( (st1_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1640       else if ( (st1_tag == TW_Denormal) && (denormal_operand() < 0) )  in fyl2xp1()
1723   if ( (st0_tag == TAG_Valid) || (st0_tag == TW_Denormal) )  in fscale()
1729 	  if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fscale()
1736 	  if ( st0_tag == TW_Denormal )  in fscale()
1740 	case TW_Denormal:  in fscale()
1745 	  if ( (st0_tag == TW_Denormal) && (denormal_operand() < 0) )  in fscale()
1768 	case TW_Denormal:  in fscale()
1790 	case TW_Denormal:  in fscale()