| // SPDX-License-Identifier: GPL-2.0-only |
| /* IEEE754 floating point arithmetic |
| * MIPS floating point support |
| * Copyright (C) 1994-2000 Algorithmics Ltd. |
| union ieee754sp ieee754sp_flong(s64 x) |
| u64 xm; /* <--- need 64-bit mantissa temp */ |
| return ieee754sp_zero(0); |
| return ieee754sp_one(x < 0); |
| return ieee754sp_ten(x < 0); |
| xm = (1ULL << 63); /* max neg can't be safely negated */ |
| if (xm >> (SP_FBITS + 1 + 3)) { |
| /* shunt out overflow bits |
| while (xm >> (SP_FBITS + 1 + 3)) { |
| /* normalize in grs extended single precision */ |
| while ((xm >> (SP_FBITS + 3)) == 0) { |
| return ieee754sp_format(xs, xe, xm); |