A mechanism to identify/forbid/"rewrite" non-temporal instructions (and other)

DEPS

 # DEPS files look like -*- Python -*-
 
 vars = {
   # These revisions are slices of the chromium repository.
   # Because they come from separate sub-slices, their hashes do not match at
   # equivalent revisions. When updating them, use the roll-dep script
   # to move them to equivalent revisions. Additionally, because not all
   # directories contain commits at each revision, you will need to select
   # revisions at latest revision up to a high watermark from each slice.
   # Document the high watermark here:
@@ skipping 14 matching lines @@
   "breakpad_rev": "a4eb2e302cefff9908ec955e761fef5d813d1b00", # from svn revision 1416
   "android_tools_rev": "f6e2370dff438125897bb3b3800de1ad7aa62c27",
 
   # Separately pinned repositories, update with roll-dep individually.
   "third_party_rev": "d4e38e5faf600b39649025e5605d6e7f94518ea7",
   "lcov_rev": "b37daf5968200da8ff520ce65c4e5bce4047dd15", # from svn revision 149720
   "gnu_binutils_rev": "f4003433b61b25666565690caf3d7a7a1a4ec436", # from svn revision 8151
   "mingw_rev": "3cc8b140b883a9fe4986d12cfd46c16a093d3527", # from svn revision 7064
   "nsis_rev": "21b6ad22daa7bfc04b9f1c1805a34622e2607a93", # from svn revision 7071
   "ragel_rev": "da42bb33f1b67c2d70b38ec1d2edf5263271b635", # from svn revision 9010
-  "validator_snapshots_rev": "e74fe4a1a1e5daa97b89b32c1a2a3a3956d9fd7e",
+  "validator_snapshots_rev": "ef053694ef9b0d98d9bed0b9bb649963084bfc81",
 
   "chromium_git": "https://chromium.googlesource.com",
 
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.
   "buildtools_revision": "93b3d0af1b30db55ee42bd2e983f7753153217db",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
@@ skipping 165 matching lines @@
                 "--bucket", "chromium-clang-format",
                 "-s", "buildtools/linux64/clang-format.sha1",
     ],
   },
 ]
 
 include_rules = [
   "+native_client/src/include",
   "+gtest",
 ]