42 	switch (CLPAIR(xc, yc)) {  in ieee754sp_sub()
43 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
44 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
45 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
46 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
47 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
48 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
49 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN):  in ieee754sp_sub()
50 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
51 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):  in ieee754sp_sub()
52 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
53 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):  in ieee754sp_sub()
57 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
58 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
59 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
60 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
63 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN):  in ieee754sp_sub()
64 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
65 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM):  in ieee754sp_sub()
66 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
67 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF):  in ieee754sp_sub()
74 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):  in ieee754sp_sub()
80 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):  in ieee754sp_sub()
81 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF):  in ieee754sp_sub()
82 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):  in ieee754sp_sub()
85 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
86 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM):  in ieee754sp_sub()
87 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
93 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
100 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
101 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):  in ieee754sp_sub()
104 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):  in ieee754sp_sub()
105 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
110 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
113 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):  in ieee754sp_sub()
117 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM):  in ieee754sp_sub()
121 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):  in ieee754sp_sub()