arm/vfp/vfpsingle.c

70 u32 __vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions)
72 u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions, const char *func)
83 	if (vs->exponent == 255 && (vs->significand == 0 || exceptions))
166 		exceptions |= FPSCR_IXC;
177 		exceptions |= FPSCR_OFC | FPSCR_IXC;
191 			exceptions |= FPSCR_UFC;
201 		pr_debug("VFP: %s: d(s%d)=%08x exceptions=%08x\n", func,
202 			 sd, d, exceptions);
207 	return exceptions;
211  * Propagate the NaN, setting exceptions if it is signalling.
487 	u32 exceptions = 0;
497 		exceptions = FPSCR_IOC;
518 	return vfp_double_normaliseround(dd, &vdd, fpscr, exceptions, "fcvtd");
522 	return exceptions;
550 	u32 d, exceptions = 0;
562 		exceptions |= FPSCR_IDC;
569 		exceptions = FPSCR_IOC;
594 				exceptions |= FPSCR_IOC;
599 			exceptions |= FPSCR_IOC;
601 			exceptions |= FPSCR_IXC;
605 			exceptions |= FPSCR_IXC;
610 				exceptions |= FPSCR_IOC;
615 	pr_debug("VFP: ftoui: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions);
619 	return exceptions;
630 	u32 d, exceptions = 0;
642 		exceptions |= FPSCR_IDC;
646 		exceptions |= FPSCR_IOC;
654 		exceptions |= FPSCR_IOC;
677 			exceptions |= FPSCR_IOC;
679 			exceptions |= FPSCR_IXC;
686 			exceptions |= FPSCR_IXC;
694 	pr_debug("VFP: ftosi: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions);
698 	return exceptions;
733 	u32 exceptions = 0;
747 			exceptions = FPSCR_IOC;
767 	return exceptions;
898 	u32 exceptions;
911 	exceptions = vfp_single_multiply(&vsp, &vsn, &vsm, fpscr);
923 	exceptions |= vfp_single_add(&vsd, &vsn, &vsp, fpscr);
925 	return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, func);
970 	u32 exceptions;
983 	exceptions = vfp_single_multiply(&vsd, &vsn, &vsm, fpscr);
984 	return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fmul");
993 	u32 exceptions;
1006 	exceptions = vfp_single_multiply(&vsd, &vsn, &vsm, fpscr);
1008 	return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fnmul");
1017 	u32 exceptions;
1033 	exceptions = vfp_single_add(&vsd, &vsn, &vsm, fpscr);
1035 	return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fadd");
1055 	u32 exceptions = 0;
1131 	exceptions = vfp_propagate_nan(&vsd, &vsn, &vsm, fpscr);
1134 	return exceptions;
1137 	exceptions = vfp_propagate_nan(&vsd, &vsm, &vsn, fpscr);
1146 	exceptions = FPSCR_DZC;
1175 	u32 exceptions = 0;
1228 		pr_debug("VFP: itr%d: exceptions=%08x\n",
1231 		exceptions |= except;
1242 	return exceptions;