$ 0 0 Unroll all loops even if the number of iterations is uncertain when the loop is entered.SyntaxLinux OS and OS X:-funroll-all-loopsWindows OS:NoneArgumentsNoneDefaultOFFDo not unroll all loops.DescriptionUnroll all loops, even if the number of iterations is uncertain when the loop is entered. There may a performance impact with this option.IDE Equivalent NoneAlternate OptionsNoneParent topic: Advanced Optimization Options