Summary:
The 32-bit instructions don't zero the high 16-bits like the 16-bit
instructions do.

Reviewers: arsenm

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, llvm-commits, tony-tye

Differential Revision: https://reviews.llvm.org/D26828

llvm-svn: 287342

Reviewers: arsenm

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, llvm-commits, tony-tye

Differential Revision: https://reviews.llvm.org/D26670

llvm-svn: 287035

Differential Revision: https://reviews.llvm.org/D25975

llvm-svn: 286753

Patch By: Wei Ding

Differential Revision: https://reviews.llvm.org/D18049

llvm-svn: 286464

This reverts commit r285939 and r285948.  These broke some conformance tests.

llvm-svn: 285995

Patch By: Wei Ding

Differential Revision: https://reviews.llvm.org/D18049

llvm-svn: 285939

Reviewers: artem.tamazov, tstellarAMD

Subscribers: arsenm, kzhuravl, wdng, nhaehnle, yaxunl, tony-tye

Differential Revision: https://reviews.llvm.org/D25084

llvm-svn: 283560

Differential revision: https://reviews.llvm.org/D24738

llvm-svn: 282234