Revert "[AArch64][SVE] Asm" changes, they broke libjpeg_turbo

This reverts changes r320992, r320986, r320973, and r320970.

r320970 by itself breaks the test case, and the rest depend on it.

Test case will land soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321024 91177308-0d34-0410-b5e6-96231b3b80d8
43 files changed