On Mon, Jun 01, 2015 at 01:08:15PM +0100, Matthew Wahab wrote:
> On 22/05/15 09:28, Matthew Wahab wrote:
> > [Added PR number and updated patches]
> >
> > This patch changes the code generated for __sync_type_compare_and_swap to
> >
> > ldxr reg; cmp; bne label; stlxr; cbnz; label: dmb ish; mov
On 22/05/15 09:28, Matthew Wahab wrote:
[Added PR number and updated patches]
This patch changes the code generated for __sync_type_compare_and_swap to
ldxr reg; cmp; bne label; stlxr; cbnz; label: dmb ish; mov .., reg
This removes the acquire-barrier from the load and ends the operation w
[Added PR number and updated patches]
This patch changes the code generated for __sync_type_compare_and_swap to
ldxr reg; cmp; bne label; stlxr; cbnz; label: dmb ish; mov .., reg
This removes the acquire-barrier from the load and ends the operation with a
fence to prevent memory references ap
