couple of updates to i386 disassembler tables

Review Request #116 — Created Nov. 12, 2015 and submitted — Latest diff uploaded

avgapon
illumos-gate
6929
general
  • add invpcid instruction decoding to i386 disassembler tables
    reference: http://www.felixcloutier.com/x86/INVPCID.html
  • lahf/sahf are not IA32 only, AMD64 processors can have them as well

The instructions has been seen on FreeBSD (kernel compiled with clang 3.8.0) where DTrace FBT code failed to decode them.
The change has also been tested on FreeBSD.

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