Jit: fix some sources of x64 chk/rel diffs (#39888)
authorAndy Ayers <andya@microsoft.com>
Fri, 24 Jul 2020 17:59:16 +0000 (10:59 -0700)
committerGitHub <noreply@github.com>
Fri, 24 Jul 2020 17:59:16 +0000 (10:59 -0700)
commit384ef03826bfbb7da4720103b6befa1f0a9e5eb8
tree004cc68259c25138e0fe5c94c2acec2f46b1733c
parent960ac2b93bea7dc7bf2b694aea05f82ec2155e0a
Jit: fix some sources of x64 chk/rel diffs (#39888)

Break IGs for perfscores the same way in chk and rel. Also, fix the xarch
peephole to work across extended IGs.

Closes #39845.
src/coreclr/src/jit/codegenlinear.cpp
src/coreclr/src/jit/emitxarch.cpp