"Amker.Cheng" <amker.ch...@gmail.com> writes: > I also tried the code on x86-cygwin, which prints 0xFFFFFFFF. > I am wondering why __aeabi_d2uiz returns 0 for negative double values. > Is this behavior defined by arm fpu and it's different with x86 in fpu > implementation?
Converting a negative float value to an unsigned integer type results in undefined behaviour, so any result is valid. This is different from converting a negative integer value to unsigned, where the modulo rule is applied. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
