Yes, it does [1], and so does Solaris using SunPro CC using -xmemalign [2]
[1] http://lists.freedesktop.org/archives/nouveau/2013-March/012435.html [2] https://blogs.oracle.com/d/entry/the_meaning_of_xmemalign On Fri, Jan 31, 2014 at 3:39 PM, brian m. carlson < sand...@crustytoothpaste.net> wrote: > On Thu, Jan 30, 2014 at 10:24:13PM +1100, Stewart Smith wrote: > > What doesn't help is that unaligned memory accesses abound in the MySQL > > server (I once switched the GCC flags for generating code to handle > > unaligned access... urgh) > > It isn't clear to me what you mean by "handle unaligned access", since > unaligned access always causes a SIGBUS on SPARC. To my knowledge, > there is no option to fix up unaligned accesses in the kernel like there > is on Alpha and ARM, so they're always fatal. I'm pretty sure that > Oracle would have noticed if MySQL died frequently on SPARC. > > -- > brian m. carlson / brian with sandals: Houston, Texas, US > +1 832 623 2791 | http://www.crustytoothpaste.net/~bmc | My opinion only > OpenPGP: RSA v4 4096b: 88AC E9B2 9196 305B A994 7552 F1BA 225C 0223 B187 >
