On 17/10/17 08:32, Jeffrey Walton wrote: > GCC guesses wrong on occasion. It will remove code that has value that > but does not produce an output because the language does not allow us > to express it. > > The C language lacks what we need to express what we need to do. Its a > failure of the C (and C++) committees. Its not a GCC failure. I disagree. If you want a bunch of asms to execute in a particular order, add a memory clobber or some dependencies. It's not difficult once you have the understanding. In this particular case, fixing it is trivial, and there are many ways to do it. -- Andrew Haley Java Platform Lead Engineer Red Hat UK Ltd. <https://www.redhat.com> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
