On 17/10/17 09:01, Jeffrey Walton wrote: > On Tue, Oct 17, 2017 at 3:58 AM, Andrew Haley <aph@xxxxxxxxxx> wrote: >> 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. > > Forgive my ignorance... How does one do it without ASM and in a > cross-platform fashion? I don't understand what you are asking. -- Andrew Haley Java Platform Lead Engineer Red Hat UK Ltd. <https://www.redhat.com> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
