1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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170 uint64_t bits;
171 } val;
172 val.bits = bits;
173 return val.fp;
174}
175
176template <class fpType>
177static inline fpType
178fixNan(FPSCR fpscr, fpType val, fpType op1, fpType op2)
179{
180 if (std::isnan(val)) {
181 const bool single = (sizeof(val) == sizeof(float));
182 const uint64_t qnan = single ? 0x7fc00000 : ULL(0x7ff8000000000000);
183 const bool nan1 = std::isnan(op1);
184 const bool nan2 = std::isnan(op2);
185 const bool signal1 = nan1 && ((fpToBits(op1) & qnan) != qnan);
186 const bool signal2 = nan2 && ((fpToBits(op2) & qnan) != qnan);
187 fpType junk = 0.0;
188 if ((!nan1 && !nan2) || (fpscr.dn == 1)) {
189 val = bitsToFp(qnan, junk);
190 } else if (signal1) {
191 val = bitsToFp(fpToBits(op1) | qnan, junk);
192 } else if (signal2) {
193 val = bitsToFp(fpToBits(op2) | qnan, junk);
194 } else if (nan1) {
195 val = op1;
196 } else if (nan2) {
197 val = op2;
198 }
199 }
200 return val;
201}
202
203static inline uint64_t
204vfpFpSToFixed(float val, bool isSigned, bool half, uint8_t imm)
205{
206 fesetround(FeRoundZero);

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