154 static int ctsxs(unsigned int x, int scale, unsigned int *vscrp)  in ctsxs()  argument
158 	exp = (x >> 23) & 0xff;  in ctsxs()
159 	mant = x & 0x7fffff;  in ctsxs()
167 		if (x + (scale << 23) != 0xcf000000)  in ctsxs()
169 		return (x & 0x80000000)? 0x80000000: 0x7fffffff;  in ctsxs()
173 	return (x & 0x80000000)? -mant: mant;  in ctsxs()
176 static unsigned int ctuxs(unsigned int x, int scale, unsigned int *vscrp)  in ctuxs()  argument
181 	exp = (x >> 23) & 0xff;  in ctuxs()
182 	mant = x & 0x7fffff;  in ctuxs()
188 	if (x & 0x80000000) {  in ctuxs()
204 static unsigned int rfiz(unsigned int x)  in rfiz()  argument
208 	exp = ((x >> 23) & 0xff) - 127;  in rfiz()
209 	if (exp == 128 && (x & 0x7fffff) != 0)  in rfiz()
210 		return x | 0x400000;	/* NaN -> make it a QNaN */  in rfiz()
212 		return x;		/* it's an integer already (or Inf) */  in rfiz()
214 		return x & 0x80000000;	/* |x| < 1.0 rounds to 0 */  in rfiz()
215 	return x & ~(0x7fffff >> exp);  in rfiz()
219 static unsigned int rfii(unsigned int x)  in rfii()  argument
223 	exp = ((x >> 23) & 0xff) - 127;  in rfii()
224 	if (exp == 128 && (x & 0x7fffff) != 0)  in rfii()
225 		return x | 0x400000;	/* NaN -> make it a QNaN */  in rfii()
227 		return x;		/* it's an integer already (or Inf) */  in rfii()
228 	if ((x & 0x7fffffff) == 0)  in rfii()
229 		return x;		/* +/-0 -> +/-0 */  in rfii()
232 		return (x & 0x80000000) | 0x3f800000;  in rfii()
236 	return (x + mask) & ~mask;  in rfii()
240 static unsigned int rfin(unsigned int x)  in rfin()  argument
244 	exp = ((x >> 23) & 0xff) - 127;  in rfin()
245 	if (exp == 128 && (x & 0x7fffff) != 0)  in rfin()
246 		return x | 0x400000;	/* NaN -> make it a QNaN */  in rfin()
248 		return x;		/* it's an integer already (or Inf) */  in rfin()
250 		return x & 0x80000000;	/* |x| < 0.5 -> +/-0 */  in rfin()
253 		return (x & 0x80000000) | 0x3f800000;  in rfin()
256 	return (x + half) & ~(0x7fffff >> exp);  in rfin()
308 				u32 x = vrs[vb].u[i];  in emulate_altivec()  local
309 				x = (x & 0x80000000)? rfiz(x): rfii(x);  in emulate_altivec()
310 				vrs[vd].u[i] = x;  in emulate_altivec()
315 				u32 x = vrs[vb].u[i];  in emulate_altivec()  local
316 				x = (x & 0x80000000)? rfii(x): rfiz(x);  in emulate_altivec()
317 				vrs[vd].u[i] = x;  in emulate_altivec()