Hi, On 06/11/2014 06:03 PM, Andrew Hughes wrote: > > I just stumbled across this when trying to work out why we are seeing aliasing > warnings in the demo code only on PPC builds. They get flagged by our build > process. > This exclusion of fno-strict-aliasing on PPC seems to date back to 7027910 in > OpenJDK > 7, where we are seeing the warnings, and there seems to be no explanation as > to why > it was added in either the code or reviews. > > Given -fno-strict-aliasing is now being used on all architectures in 9, do > you think > it's ok to do the same in 7? I could also turn it off on the individual > files, but > this would duplicate the flag on other architectures and we may then get more > PPC-only > warnings in future.
Never mind the warnings, -fno-strict-aliasing is essential for correctness. Andrew.