Add crc32 instruction and intrinsics. Add a new class of prefix
bytes for F2 0F 38 and propagate. Add a FIXME for a set
of possibilities which correspond to intrinsics already used.

New test.

llvm-svn: 78508
6 files changed
tree: 756abfe8dd1bed5f13683581425df35608d459ba
  1. clang/
  2. compiler-rt/
  3. llvm/