On Wed, Jul 29, 2020 at 9:26 AM John Fastabend <john.fastabend@xxxxxxxxx> wrote: > [...] > > Notice it takes us an extra four instructions when src reg is the > same as dst reg. One to save the reg, two to restore depending on > the branch taken and a goto to jump over the second restore. > > Signed-off-by: John Fastabend <john.fastabend@xxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx> [...]
