Johnny Chen 8557d298d4 Fix two logic errors uncovered by the static analyzer.
For the default case (illegal encoding type), just return false instead of break.

A8.6.84 LDRSH (register)
A8.6.309 VLD1 (single element to all lanes)

llvm-svn: 137699
2011-08-16 01:16:02 +00:00
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