12 #define AH r1  macro
81 		EXPBA = combine(BH,AH)
82 		SIGN = xor(AH,BH)
85 #undef AH
208 #define AH r1  macro
218 		AH += asl(EXPA,#DF_MANTBITS-32)
224 		AH += asl(EXPA,#DF_MANTBITS-32)
225 		EXPB = extractu(AH,#DF_EXPBITS,#DF_MANTBITS-32)
283 		AH += asl(TMP,#DF_MANTBITS-32)
329 		AH = mux(Q_POSITIVE,#0,#-1)  define
338 		QH ^= lsr(AH,#31)
402 		EXPBA = combine(BH,AH)
403 		AH = insert(TMP,#DF_EXPBITS+1,#DF_MANTBITS-32)		// clear out hidden bit, sign bit  define
407 		if (P_TMP) AH = or(AH,TMP)				// if normal, add back in hidden bit
435 		AH = xor(AH,BH)  define
450 		AH = xor(AH,BH)  define