m68k/math-emu/fp_arith.c

20 	.exp = 0x7fff,
26 	.exp = 0x7fff,
92 	if ((diff = dest->exp - src->exp) > 0)
147 	int exp;
174 		dest->exp = 0;
181 	exp = dest->exp + src->exp - 0x3ffe;
187 		exp -= fp_overnormalize(dest);
189 		exp -= fp_overnormalize(src);
197 		exp--;
202 	if (exp >= 0x7fff) {
206 	dest->exp = exp;
207 	if (exp < 0) {
209 		fp_denormalize(dest, -exp);
224 	int exp;
243 		dest->exp = 0;
261 		dest->exp = 0x7fff;
267 	exp = dest->exp - src->exp + 0x3fff;
273 		exp -= fp_overnormalize(dest);
275 		exp -= fp_overnormalize(src);
283 		exp--;
288 	if (exp >= 0x7fff) {
292 	dest->exp = exp;
293 	if (exp < 0) {
295 		fp_denormalize(dest, -exp);
303 	int exp;
330 		dest->exp = 0;
337 	exp = dest->exp + src->exp - 0x3ffe;
344 	if (exp >= 0x7fff) {
348 	dest->exp = exp;
349 	if (exp < 0) {
351 		fp_denormalize(dest, -exp);
359 	int exp;
379 		dest->exp = 0;
397 		dest->exp = 0x7fff;
403 	exp = dest->exp - src->exp + 0x3fff;
418 		exp--;
421 	if (exp >= 0x7fff) {
425 	dest->exp = exp;
426 	if (exp < 0) {
428 		fp_denormalize(dest, -exp);
454 	switch (dest->exp) {
459 		dest->mant.m32[0] &= 0xffffffffU << (0x401e - dest->exp);
465 		dest->mant.m32[1] &= 0xffffffffU << (0x403e - dest->exp);
488 		switch (dest->exp) {
500 			mask = 1 << (0x401d - dest->exp);
505 			if (!(oldmant.m32[0] << (dest->exp - 0x3ffd)) &&
518 			mask = 1 << (0x403d - dest->exp);
523 			if (!(oldmant.m32[1] << (dest->exp - 0x401d)))
538 	switch (dest->exp) {
540 		dest->exp = 0x3fff;
544 		mask = 1 << (0x401e - dest->exp);
548 		dest->exp++;
551 		mask = 1 << (0x403e - dest->exp);
557                 dest->exp++;
660 	if (src->exp >= 0x400c) {
672 	scale += dest->exp;
680 		dest->exp = scale;