Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-mar-05-2019' into staging

MIPS queue for March 5th, 2019

# gpg: Signature made Tue 05 Mar 2019 16:06:34 GMT
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-mar-05-2019:
  target/mips: Add tests for integer add MSA instruction group
  tests/tcg: target/mips: Add tests for MSA pack instructions
  tests/tcg: target/mips: Add tests for MIPS64R6 int multiply instructions
  tests/tcg: target/mips: Add tests for MIPS64R6 shift instructions
  tests/tcg: target/mips: Add tests for MIPS64R6 bit count instructions
  tests/tcg: target/mips: Add tests for MIPS64R6 bit swap instructions
  tests/tcg: target/mips: Add tests for MIPS64R6 logic instructions
  tests/tcg: target/mips: Add wrappers for some MIPS64R6 instructions
  tests/tcg: target/mips: Extend functionality of MSA wrapper macros
  tests/tcg: target/mips: Fix test utilities for 128-bit tests
  tests/tcg: target/mips: Add test utilities for 64-bit tests
  tests/tcg: target/mips: Add test utilities for 32-bit tests
  tests/tcg: target/mips: Add wrappers for various MSA instructions
  disas: nanoMIPS: Add graphical description of pool organization
  disas: nanoMIPS: Correct comments to handlers of some DSP instructions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>