Merge pull request dotnet/coreclr#4269 from adiaaida/longSub
authorMichelle McDaniel <adiaaida@gmail.com>
Mon, 11 Apr 2016 20:21:45 +0000 (13:21 -0700)
committerMichelle McDaniel <adiaaida@gmail.com>
Mon, 11 Apr 2016 20:21:45 +0000 (13:21 -0700)
Add support for x86 long subtract operator

Commit migrated from https://github.com/dotnet/coreclr/commit/dadc7388d0a323ef14eff8ffec74724577338c45


Trivial merge