paisuhas
commented
2 years ago A question about your comment on alignment. Aren't 64-bit values naturally aligned on x86-64? When do they have 4-byte alignment?
Open Sonicadvance1 opened 3 years ago
paisuhas
commented
2 years ago A question about your comment on alignment. Aren't 64-bit values naturally aligned on x86-64? When do they have 4-byte alignment?
Thunks will largely take care of this but for the fallback case we need to support emulation to work around struct packing quirks. This mainly comes from 64bit values having a 4 byte alignment on x86 and x86-64 while on aarch64 they have natural alignment. I have already encountered this issue on V3D/VC4 ioctls.