27 	switch (CLPAIR(xc, yc)) {  in ieee754dp_sub()
28 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
29 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
30 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
31 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
32 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
35 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):  in ieee754dp_sub()
36 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
37 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
38 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):  in ieee754dp_sub()
39 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
40 	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):  in ieee754dp_sub()
43 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
44 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
45 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
46 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
49 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN):  in ieee754dp_sub()
50 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
51 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM):  in ieee754dp_sub()
52 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
53 	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF):  in ieee754dp_sub()
60 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):  in ieee754dp_sub()
66 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):  in ieee754dp_sub()
67 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF):  in ieee754dp_sub()
68 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):  in ieee754dp_sub()
71 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
72 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM):  in ieee754dp_sub()
73 	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
79 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
85 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
86 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):  in ieee754dp_sub()
89 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):  in ieee754dp_sub()
90 	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
95 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
98 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):  in ieee754dp_sub()
103 	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM):  in ieee754dp_sub()
108 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):  in ieee754dp_sub()