[DynInst_API:] [dyninst/dyninst] ae8875: Register definitions for treating the 4 ARM64 flag...

[Sunny Shah <shah28@xxxxxxxx>]

  Branch: refs/heads/arm64/feature/semantics
  Home:   https://github.com/dyninst/dyninst
  Commit: ae8875e306a2c2ad77d2ea9b4b9c41e1770c8d74
      https://github.com/dyninst/dyninst/commit/ae8875e306a2c2ad77d2ea9b4b9c41e1770c8d74
  Author: Sunny Shah <shah28@xxxxxxxx>
  Date:   2016-09-23 (Fri, 23 Sep 2016)

  Changed paths:
    M common/h/dyn_regs.h
    M common/src/dyn_regs.C
    M dataflowAPI/rose/semantics/Registers.C
    M external/rose/armv8InstructionEnum.h

  Log Message:
  -----------
  Register definitions for treating the 4 ARM64 flags separately

As with dataflow analysis on other architectures, each flag should be treated as a distinct unit. Following changes, made as part of this commit, achieve this:
- n, z, c and v have been added as individual register definitions in dyn_regs with their baseIDs indicating their positions in the pstate register. The conversions from Dyninst to ROSE registers for these new additions are also defined.
- The 'nzcv' enum value in ARMv8PstateFields (for use in ARM semantics) is split into 4 different values, one for each flag. Each of these is also added to the register dictionary for ARMv8 in Registers.C.