[D-runtime] [D-Programming-Language/druntime] fcc915: add 256 bit SIMD types

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: fcc91588e89fa48b699f0efe0cdfb8c23e2bb4ae
      https://github.com/D-Programming-Language/druntime/commit/fcc91588e89fa48b699f0efe0cdfb8c23e2bb4ae
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-04-18 (Wed, 18 Apr 2012)

  Changed paths:
    M src/core/simd.d

  Log Message:
  -----------
  add 256 bit SIMD types