tree ffc54497f2fe802ec0901c246e86c3408ec77f1f
parent ae15f0fd85df9f13a251222d048761a9aa1dcf2a
author John Porto <jpp@chromium.org> 1461723367 -0700
committer John Porto <jpp@chromium.org> 1461723367 -0700

Subzero. X86. Uses pshufb for shufflevector lowering.

This CL enables subzero to lower shufflevector instructions in x86 using
pshufb (only for SSE 4.1)

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4136
BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4077
R=stichnot@chromium.org

Review URL: https://codereview.chromium.org/1917863004 .