ARM: remove now unneeded custom Asm converters

After Ulrich's r180677 (thanks!) TableGen is intelligent enough to
handle tied constraints involving complex operands properly, so
virtually all of the ARM custom converters are now unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186810 91177308-0d34-0410-b5e6-96231b3b80d8
Add Intel variants to aliases for some FP instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186811 91177308-0d34-0410-b5e6-96231b3b80d8
Change %xmm0 to XMM0 in Intel side of asm strings for PBLENDVB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186812 91177308-0d34-0410-b5e6-96231b3b80d8
More Intel syntax alias fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186813 91177308-0d34-0410-b5e6-96231b3b80d8
More Intel syntax alias fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186814 91177308-0d34-0410-b5e6-96231b3b80d8