s390x/tcg: Implement VECTOR GATHER ELEMENT
Let's start with a more involved one, but it is the first in the list of vector support instructions (introduced with the vector facility). Good thing is, we need a lot of basic infrastructure for this. Reading and writing vector elements as well as checking element validity. All vector instruction related translation functions will reside in translate_vx.inc.c, to be included in translate.c - similar to how other architectures handle it. While at it, directly add some documentation (which contains parts about things added in follow-up patches, but splitting this up does not make too much sense). Also add ES_* defines heavily used later. Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20190307121539.12842-5-david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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target/s390x/translate_vx.inc.c
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