Added a few more integral SIMD extensions for x86/x86_64 (SSE).

Rationale:
ART vectorizer needs a couple of extra SIMD operations before
sending out the larger general CL.

Test: assembler_x86[_64]_test
Bug: 34083438
Change-Id: Id156283424ad311e6109b360efcd409c671cd5b7
6 files changed