s390x/tcg: Implement rounding mode and XxC for LOAD ROUNDED
With the floating-point extension facility, LOAD ROUNDED has a rounding mode specification and the inexact-exception control (XxC). Handle them just like e.g. LOAD FP INTEGER. Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20190218122710.23639-14-david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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