On 25 August 2011 14:22, Avi Kivity <a...@redhat.com> wrote: > On 08/25/2011 04:13 PM, Jan Kiszka wrote: >> Packing all structs is not really a good idea, more a last resort. > > btw, how are the non-x86s handling this? by trapping and fixuping in the > kernel?
If a structure's packing means it doesn't adhere to the relevant alignment constraints for the architecture gcc will access the misaligned integers with a sequence of byte loads and stores. -- PMM
