On Thu, Dec 21, 2017 at 01:27:33AM +0000, Marius Strobl wrote:
> Author: marius
> Date: Thu Dec 21 01:27:32 2017
> New Revision: 327053
> URL: https://svnweb.freebsd.org/changeset/base/327053
>
> Log:
> Remove MD atomic_load_{32,64,int,long,ptr}(9) obsolete since the addition
> of (conflicting) MI ones in r326971.
I am sorry. Initially I wrote the patch with only support for required
MI types int long ptr and run the tinderbox. Then I decided that there
is no reason to not provide the rest, but did not realized that tb is
needed again.
>
> Modified:
> head/sys/sparc64/include/atomic.h
>
> Modified: head/sys/sparc64/include/atomic.h
> ==============================================================================
> --- head/sys/sparc64/include/atomic.h Thu Dec 21 01:22:36 2017
> (r327052)
> +++ head/sys/sparc64/include/atomic.h Thu Dec 21 01:27:32 2017
> (r327053)
> @@ -258,11 +258,6 @@ atomic_fcmpset_rel_ ## name(volatile ptype p, vtype *e
> } \
> \
> static __inline vtype
> \
> -atomic_load_ ## name(volatile ptype p)
> \
> -{ \
> - return ((vtype)atomic_cas((p), 0, 0, sz)); \
atomic_cas() does not have any barrier behavior, am I right ?
I.e., it does not prevent a reordering in RMO and PSO models.
> -} \
> -static __inline vtype
> \
> atomic_load_acq_ ## name(volatile ptype p) \
> { \
> return ((vtype)atomic_cas_acq((p), 0, 0, sz)); \
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