39 	unsigned int mant, frac;  in eexp2()  local
70 	mant = exp2s[(pwr >> 20) & 7];  in eexp2()
75 	asm("mulhwu %0,%1,%2" : "=r" (frac) : "r" (frac), "r" (mant));  in eexp2()
76 	mant += frac;  in eexp2()
79 		return mant + (exp << 23);  in eexp2()
83 	mant += 1 << (exp - 1);  in eexp2()
84 	return mant >> exp;  in eexp2()
93 	int exp, mant, lz, frac;  in elog2()  local
96 	mant = s & 0x7fffff;  in elog2()
98 		if (mant != 0)  in elog2()
102 	if ((exp | mant) == 0)		/* +0 or -0 */  in elog2()
107 		asm("cntlzw %0,%1" : "=r" (lz) : "r" (mant));  in elog2()
108 		mant <<= lz - 8;  in elog2()
111 		mant |= 0x800000;  in elog2()
115 	if (mant >= 0xb504f3) {				/* 2^0.5 * 2^23 */  in elog2()
117 		asm("mulhwu %0,%1,%2" : "=r" (mant)  in elog2()
118 		    : "r" (mant), "r" (0xb504f334));	/* 2^-0.5 * 2^32 */  in elog2()
120 	if (mant >= 0x9837f0) {				/* 2^0.25 * 2^23 */  in elog2()
122 		asm("mulhwu %0,%1,%2" : "=r" (mant)  in elog2()
123 		    : "r" (mant), "r" (0xd744fccb));	/* 2^-0.25 * 2^32 */  in elog2()
125 	if (mant >= 0x8b95c2) {				/* 2^0.125 * 2^23 */  in elog2()
127 		asm("mulhwu %0,%1,%2" : "=r" (mant)  in elog2()
128 		    : "r" (mant), "r" (0xeac0c6e8));	/* 2^-0.125 * 2^32 */  in elog2()
130 	if (mant > 0x800000) {				/* 1.0 * 2^23 */  in elog2()
134 		    : "r" ((mant - 0x800000) << 1), "r" (0xb0c7cd3a));  in elog2()
156 	int exp, mant;  in ctsxs()  local
159 	mant = x & 0x7fffff;  in ctsxs()
160 	if (exp == 255 && mant != 0)  in ctsxs()
171 	mant |= 0x800000;  in ctsxs()
172 	mant = (mant << 7) >> (30 - exp);  in ctsxs()
173 	return (x & 0x80000000)? -mant: mant;  in ctsxs()
179 	unsigned int mant;  in ctuxs()  local
182 	mant = x & 0x7fffff;  in ctuxs()
183 	if (exp == 255 && mant != 0)  in ctuxs()
198 	mant |= 0x800000;  in ctuxs()
199 	mant = (mant << 8) >> (31 - exp);  in ctuxs()
200 	return mant;  in ctuxs()