[CodeGen] Fix FREM on 32-bit MSVC on x86

Patch by Dylan McKay!

Differential Revision: http://reviews.llvm.org/D12099

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246615 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed