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Lines Matching defs:exp

1 /*	$NetBSD: fpu_fscale.c,v 1.17 2025/01/06 07:34:24 isaki Exp $	*/
41 __KERNEL_RCSID(0, "$NetBSD: fpu_fscale.c,v 1.17 2025/01/06 07:34:24 isaki Exp $");
58 	int scale, sign, exp;
207 	exp = (fpregs[regnum * 3] & 0x7fff0000) >> 16;
216 		exp = 0x7fff;
221 		if ((0 < exp && exp < 0x7fff) ||
222 		    (exp == 0 && (m0 | m1) != 0)) {
224 			exp += scale;
225 			if (exp < 0) {
229 				exp = 0;
230 				grs = m1 << (32 + exp);
231 				m1 = m0 << (32 + exp) | m1 >> -exp;
232 				m0 >>= -exp;
242 								exp++;
253 								exp++;
259 								exp++;
268 								exp++;
276 				if (exp == 0 && (m0 & 0x80000000) == 0) {
282 			} else if (exp >= 0x7fff) {
289 					exp--;
294 				if (exp >= 0x7fff) {
295 					exp = 0x7fff;
304 				while (exp > 0 && (m0 & 0x80000000) == 0) {
305 					exp--;
312 			} /* exp in range and mantissa normalized */
313 		} else if (exp == 0 && m0 == 0 && m1 == 0) {
316 		} /* else we know exp == 0x7fff */
329 		exp = 0x7fff;
341 	fpregs[regnum * 3] = sign | (exp << 16);