arm/insts/vfp.cc

221 fixDest(bool flush, bool defaultNan, fpType val, fpType op1)
223     int fpClass = std::fpclassify(val);
226         const bool single = (sizeof(val) == sizeof(float));
230             val = bitsToFp(qnan, junk);
232             val = bitsToFp(fpToBits(op1) | qnan, junk);
235         // Turn val into a zero with the correct sign;
237         val = bitsToFp(fpToBits(val) & bitMask, junk);
241     return val;
245 float fixDest<float>(bool flush, bool defaultNan, float val, float op1);
247 double fixDest<double>(bool flush, bool defaultNan, double val, double op1);
251 fixDest(bool flush, bool defaultNan, fpType val, fpType op1, fpType op2)
253     int fpClass = std::fpclassify(val);
256         const bool single = (sizeof(val) == sizeof(float));
263             val = bitsToFp(qnan, junk);
265             val = bitsToFp(fpToBits(op1) | qnan, junk);
267             val = bitsToFp(fpToBits(op2) | qnan, junk);
269             val = op1;
271             val = op2;
274         // Turn val into a zero with the correct sign;
276         val = bitsToFp(fpToBits(val) & bitMask, junk);
280     return val;
285                      float val, float op1, float op2);
288                        double val, double op1, double op2);
292 fixDivDest(bool flush, bool defaultNan, fpType val, fpType op1, fpType op2)
294     fpType mid = fixDest(flush, defaultNan, val, op1, op2);
297     if ((single && (val == bitsToFp(0x00800000, junk) ||
298                     val == bitsToFp(0x80800000, junk))) ||
299         (!single && (val == bitsToFp(ULL(0x0010000000000000), junk) ||
300                      val == bitsToFp(ULL(0x8010000000000000), junk)))
321                         float val, float op1, float op2);
324                           double val, double op1, double op2);
327 fixFpDFpSDest(FPSCR fpscr, double val)
331     if (std::isnan(val)) {
332         uint64_t valBits = fpToBits(val);
338     float mid = fixDest(fpscr.fz, fpscr.dn, (float)val, op1);
345         __asm__ __volatile__("" : "=m" (val) : "m" (val));
349         temp = val;
363 fixFpSFpDDest(FPSCR fpscr, float val)
367     if (std::isnan(val)) {
368         uint32_t valBits = fpToBits(val);
374     double mid = fixDest(fpscr.fz, fpscr.dn, (double)val, op1);
377         __asm__ __volatile__("" : "=m" (val) : "m" (val));
381         temp = val;
666         uint64_t val, uint8_t width, uint8_t imm)
670         val = (uint16_t)val;
672         val = (uint32_t)val;
679     return fixDivDest(flush, defaultNan, val / scale, (float)val, scale);
684         int64_t val, uint8_t width, uint8_t imm)
688         val = sext<16>(val & mask(16));
690         val = sext<32>(val & mask(32));
698     return fixDivDest(flush, defaultNan, val / scale, (float)val, scale);
704         uint64_t val, uint8_t width, uint8_t imm)
708         val = (uint16_t)val;
710         val = (uint32_t)val;
718     return fixDivDest(flush, defaultNan, val / scale, (double)val, scale);
723         int64_t val, uint8_t width, uint8_t imm)
727         val = sext<16>(val & mask(16));
729         val = sext<32>(val & mask(32));
737     return fixDivDest(flush, defaultNan, val / scale, (double)val, scale);