[DynInst_API:] [dyninst/dyninst] 2e550d: Fix for decoding error in register based load/stor...

[Sunny Shah <shah28@xxxxxxxx>]

  Branch: refs/heads/arm64/feature/semantics
  Home:   https://github.com/dyninst/dyninst
  Commit: 2e550dc1b390578aa2e3de12a19b634a44ae453b
      https://github.com/dyninst/dyninst/commit/2e550dc1b390578aa2e3de12a19b634a44ae453b
  Author: Sunny Shah <shah28@xxxxxxxx>
  Date:   2016-11-04 (Fri, 04 Nov 2016)

  Changed paths:
    M instructionAPI/src/InstructionDecoder-aarch64.C

  Log Message:
  -----------
  Fix for decoding error in register based load/store instructions

The shift amount for the second source register in load/store (register)
instructions should depend only on the value of the 'S' field.