Documentation: fix syntax error

Patch by David Waggoner


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173571 91177308-0d34-0410-b5e6-96231b3b80d8
X86: Decode PALIGN operands so I don't have to do it in my head.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173572 91177308-0d34-0410-b5e6-96231b3b80d8