Increase attempts to make matching insn in purge_addressof_1

[Joern Rennecke]

!       /* If SUB is a or virtual register, try it as a pseudo-register. 

Do you mean 'is a virtual register' or 'is a hard or virtual register' ?

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SuperH (UK) Ltd.
2410 Aztec West / Almondsbury / BRISTOL / BS32 4QX
T:+44 1454 465658