On Wed, Oct 13, 2021 at 10:04:36AM -0600, Jens Axboe wrote: > On 10/13/21 9:50 AM, Christoph Hellwig wrote: > > On Wed, Oct 13, 2021 at 09:42:23AM -0600, Jens Axboe wrote: > >> Something like this? > > > > Something like that. Although without making the new function inline > > this will generate an indirect call. > > It will, but I don't see how we can have it both ways... Last time I played with these optimization gcc did inline function pointers passed to __always_inline function into the calling function. That is you can keep the source level abstraction but get the code generation as if it was open coded.
