1 // SPDX-License-Identifier: GPL-2.0-only
2 /* IEEE754 floating point arithmetic
6 * MIPS floating point support
7 * Copyright (C) 1994-2000 Algorithmics Ltd.
10 #include "ieee754sp.h"
12 union ieee754sp ieee754sp_neg(union ieee754sp x)
16 if (ieee754_csr.abs2008) {
18 SPSIGN(y) = !SPSIGN(x);
22 oldrm = ieee754_csr.rm;
23 ieee754_csr.rm = FPU_CSR_RD;
24 y = ieee754sp_sub(ieee754sp_zero(0), x);
25 ieee754_csr.rm = oldrm;
30 union ieee754sp ieee754sp_abs(union ieee754sp x)
34 if (ieee754_csr.abs2008) {
40 oldrm = ieee754_csr.rm;
41 ieee754_csr.rm = FPU_CSR_RD;
43 y = ieee754sp_sub(ieee754sp_zero(0), x);
45 y = ieee754sp_add(ieee754sp_zero(0), x);
46 ieee754_csr.rm = oldrm;