All store instructions really want 'rd' in the first field.
All store instructions really want 'rd' in the first field.

Special cases: STFSRx and STXFSRx - they operate on predefined rd=0 or rd=1, and
expect %fsr as the parameter in assembly. They are disabled (since not used)
until an encoding, both for code generation and output, is chosen.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@6619 91177308-0d34-0410-b5e6-96231b3b80d8

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