On Mon, Mar 04, 2019 at 11:48:18AM +0100, Paolo Bonzini wrote: > True that. On the other hand btsl/btrl is also one byte smaller if no > operand is %r8-%r15.
Because then we loose the REX prefix, right. Now _that_ might actually be a reason to do that :-) > In any case, /me wonders if we should have a macro like > > #define DECLARE_LE_BITMAP(name,bits) \ > u32 name[DIV_ROUND_UP(bits, 32)] __aligned(sizeof(unsigned long)) s/u32/__le32/ To go in bitops/le.h, sure, if there's enough users.
