[Builtin][ARM] Add Thumb1 support for aeabi_c{f,d}cmp.S and dcmp.S

Reviewers: compnerd, rengolin

Reviewed By: rengolin

Subscribers: aemerson, llvm-commits, mgorny

Differential Revision: https://reviews.llvm.org/D28985

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@293247 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed