m68k/math-emu/fp_arith.c

186 	if ((long)dest->mant.m32[0] >= 0)
188 	if ((long)src->mant.m32[0] >= 0)
196 	if ((long)temp.m32[0] > 0) {
272 	if ((long)dest->mant.m32[0] >= 0)
274 	if ((long)src->mant.m32[0] >= 0)
282 	if (!temp.m32[0]) {
340 	fp_mul64(dest->mant.m32[0], dest->mant.m32[1],
341 		 dest->mant.m32[0] & 0xffffff00,
342 		 src->mant.m32[0] & 0xffffff00);
405 	dest->mant.m32[0] &= 0xffffff00;
406 	src->mant.m32[0] &= 0xffffff00;
409 	if (dest->mant.m32[0] >= src->mant.m32[0]) {
411 		fp_div64(quot, rem, dest->mant.m32[0], 0, src->mant.m32[0]);
412 		dest->mant.m32[0] = 0x80000000 | (quot >> 1);
413 		dest->mant.m32[1] = (quot & 1) | rem;	/* only for rounding */
415 		fp_div64(quot, rem, dest->mant.m32[0], 0, src->mant.m32[0]);
416 		dest->mant.m32[0] = quot;
417 		dest->mant.m32[1] = rem;		/* only for rounding */
459 		dest->mant.m32[0] &= 0xffffffffU << (0x401e - dest->exp);
460 		dest->mant.m32[1] = 0;
465 		dest->mant.m32[1] &= 0xffffffffU << (0x403e - dest->exp);
466 		if (oldmant.m32[1] == dest->mant.m32[1])
501 			if (!(oldmant.m32[0] & mask))
503 			if (oldmant.m32[0] & (mask << 1))
505 			if (!(oldmant.m32[0] << (dest->exp - 0x3ffd)) &&
506 					!oldmant.m32[1])
510 			if (oldmant.m32[1] & 0x80000000)
512 			if (oldmant.m32[0] & 1)
514 			if (!(oldmant.m32[1] << 1))
519 			if (!(oldmant.m32[1] & mask))
521 			if (oldmant.m32[1] & (mask << 1))
523 			if (!(oldmant.m32[1] << (dest->exp - 0x401d)))
545 		if (dest->mant.m32[0] += mask)
547 		dest->mant.m32[0] = 0x80000000;
552 		if (dest->mant.m32[1] += mask)
554 		if (dest->mant.m32[0] += 1)
556 		dest->mant.m32[0] = 0x80000000;