On Wed, Oct 12, 2011 at 6:31 AM, Andrew MacLeod <[email protected]> wrote: > - language atomic types up to 16 bytes should be padded to an appropriate > size, and aligned properly. > - if memory matching one of the 5 'optimized' sizes isn't aligned properly, > results are undefined. > - if the size does not match one of the 5 specific routines, then the > library generic ABI can handle it. There's no alignment guarantees, so I > presume it would end up being a locked implementation using hash tables and > addresses or something.
The ABI library needs to demand alignment guarantees, or have them passed in, or it won't be able to support larger lock-free sizes on new architectures. _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
