sparc64/fpu/fpu_implode.c

83 fpround(struct fpemu *fe, struct fpn *fp)
104 	fe->fe_cx |= FSR_NX;	/* inexact */
107 	switch (FSR_GET_RD(fe->fe_fsr)) {
163 toinf(struct fpemu *fe, int sign)
168 	switch (FSR_GET_RD(fe->fe_fsr)) {
196 __fpu_ftoi(fe, fp)
197 	struct fpemu *fe;
223 			fe->fe_cx |= FSR_NX;
233 	fe->fe_cx = (fe->fe_cx & ~FSR_NX) | FSR_NV;
244 __fpu_ftox(fe, fp, res)
245 	struct fpemu *fe;
274 			fe->fe_cx |= FSR_NX;
286 	fe->fe_cx = (fe->fe_cx & ~FSR_NX) | FSR_NV;
298 __fpu_ftos(fe, fp)
299 	struct fpemu *fe;
349 		if (fpround(fe, fp) && fp->fp_mant[3] == SNG_EXP(1)) {
350 			fe->fe_cx |= FSR_UF;
353 		if ((fe->fe_cx & FSR_NX) ||
354 		    (fe->fe_fsr & (FSR_UF << FSR_TEM_SHIFT)))
355 			fe->fe_cx |= FSR_UF;
364 	if (fpround(fe, fp) && fp->fp_mant[3] == SNG_EXP(2))
368 		fe->fe_cx |= FSR_OF | FSR_NX;
369 		if (toinf(fe, sign))
385 __fpu_ftod(fe, fp, res)
386 	struct fpemu *fe;
412 		if (fpround(fe, fp) && fp->fp_mant[2] == DBL_EXP(1)) {
413 			fe->fe_cx |= FSR_UF;
417 		if ((fe->fe_cx & FSR_NX) ||
418 		    (fe->fe_fsr & (FSR_UF << FSR_TEM_SHIFT)))
419 			fe->fe_cx |= FSR_UF;
424 	if (fpround(fe, fp) && fp->fp_mant[2] == DBL_EXP(2))
427 		fe->fe_cx |= FSR_OF | FSR_NX;
428 		if (toinf(fe, sign)) {
447 __fpu_ftoq(fe, fp, res)
448 	struct fpemu *fe;
474 		if (fpround(fe, fp) && fp->fp_mant[0] == EXT_EXP(1)) {
475 			fe->fe_cx |= FSR_UF;
479 		if ((fe->fe_cx & FSR_NX) ||
480 		    (fe->fe_fsr & (FSR_UF << FSR_TEM_SHIFT)))
481 			fe->fe_cx |= FSR_UF;
486 	if (fpround(fe, fp) && fp->fp_mant[0] == EXT_EXP(2))
489 		fe->fe_cx |= FSR_OF | FSR_NX;
490 		if (toinf(fe, sign)) {
508 __fpu_implode(fe, fp, type, space)
509 	struct fpemu *fe;
517 		space[0] = __fpu_ftox(fe, fp, space);
521 		space[0] = __fpu_ftoi(fe, fp);
525 		space[0] = __fpu_ftos(fe, fp);
529 		space[0] = __fpu_ftod(fe, fp, space);
534 		space[0] = __fpu_ftoq(fe, fp, space);