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authorDavid Hildenbrand <david@redhat.com>2019-02-18 13:27:07 +0100
committerCornelia Huck <cohuck@redhat.com>2019-03-04 11:49:31 +0100
commitdce0a58fd6427e4c9d1399ced70a04276db71a5f (patch)
treede084749ad5476ddd015a8dc456855f4032268b0 /target/lm32/Makefile.objs
parentcf97f9ff94662433f997c40d023b90e2506655de (diff)
s390x/tcg: Implement XxC and checks for most FP instructions
With the floating-point extension facility - CONVERT FROM LOGICAL - CONVERT TO LOGICAL - CONVERT TO FIXED - CONVERT FROM FIXED - LOAD FP INTEGER have both, a rounding mode specification and the inexact-exception control (XxC). Other instructions will be handled separatly. Check for valid rounding modes and forward also the XxC (via m4). To avoid a lot of boilerplate code and changes to the helpers, combine both, the m3 and m4 field in a combined 32 bit TCG variable. Perform checks at a central place, taking in account if the m3 or m4 field was ignore before the floating-point extension facility was introduced. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190218122710.23639-13-david@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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