Merge remote-tracking branch 'aosp/upstream-master' into import

Bug: 148796256
Change-Id: I58d0995e3896b1be5e53045370cc1d7c91880e30
tree: 501221393d93af82d9de77e0fe8e12da27df6d69
  1. .gitignore
  2. CMakeLists.txt
  3. LICENSE
  4. README.md
  5. configure.py
  6. confu.yaml
  7. include/
README.md

P(ortable) SIMD

Portable 128-bit SIMD intrinsics