[PATCH v3] Run tests only if the machine supports the instruction set.

[Mike Stump]

On Dec 20, 2016, at 6:10 AM, Dominik Vogt <vogt@linux.vnet.ibm.com> wrote:
> Right, it gets called even more often than one would think, and
> even with empty torture_current_options.  The attached new patch
> (v3) removes -Ox options and superflous whitespace and caches that
> between calls if it's not empty.  There's another, permanent cache
> for calls without any flags.  With proper ordering of the torture
> options, the test program is built only a couple of times.

Seems fine to me, but most other cases use the postfix _hw.  Any reason not use use _hw (and not _runable) on these?  If not, could you please use _hw instead.