[D-runtime] [dlang/druntime] 021f54: add core.simd.prefetch declaration

[GitHub via D-runtime]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/druntime
  Commit: 021f5460f0b94a77ddc02784a18e9ac64161175d
      https://github.com/dlang/druntime/commit/021f5460f0b94a77ddc02784a18e9ac64161175d
  Author: Walter Bright <walter at walterbright.com>
  Date:   2016-10-08 (Sat, 08 Oct 2016)

  Changed paths:
    M src/core/simd.d

  Log Message:
  -----------
  add core.simd.prefetch declaration


  Commit: 1627daf6574b92b3b4b3bf4c44cb395529548e24
      https://github.com/dlang/druntime/commit/1627daf6574b92b3b4b3bf4c44cb395529548e24
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-10-09 (Sun, 09 Oct 2016)

  Changed paths:
    M src/core/simd.d

  Log Message:
  -----------
  fix documentation

- remove extra column of 0s (guess that was writeFetch before)
- fix THDR->THEAD


  Commit: 565b5c3163ae93858702daab9bccfcd7a4d3f748
      https://github.com/dlang/druntime/commit/565b5c3163ae93858702daab9bccfcd7a4d3f748
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-10-09 (Sun, 09 Oct 2016)

  Changed paths:
    M src/core/simd.d

  Log Message:
  -----------
  Merge pull request #1669 from WalterBright/prefetch

add core.simd.prefetch declaration


Compare: https://github.com/dlang/druntime/compare/9fca19996962...565b5c3163ae