Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jun-1-2019' into...

MIPS queue for June 1st, 2019

# gpg: Signature made Sat 01 Jun 2019 19:20:47 BST
# 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-jun-1-2019:
  target/mips: Improve performance of certain MSA instructions
  target/mips: Clean up lmi_helper.c
  target/mips: Clean up dsp_helper.c
  tests/tcg: target/mips: Add tests for MSA bit set instructions
  target/mips: Amend and cleanup MSA TCG tests
  target/mips: Add emulation of MMI instruction PCPYUD
  target/mips: Add emulation of MMI instruction PCPYLD
  target/mips: Add emulation of MMI instruction PCPYH

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