The new instruction is PBLENDVB, which creates a result by selecting
bytes from one of two registers, depending on whether the mask
contains a 1 (0xff) or a zero.
The SSE2 code requires three instructions (and, andnot, or).
The equivalent Neon instruction is VBSL (bit select).
Reviewed-by: Samuel Rødal
(cherry picked from commit bdad106358ae177d1345f5ff85c0e38cfeb5ca90)
Change-Id: I5b0d055a4be532f81c6f11181d710525cd6c3f25
Reviewed-on: http://codereview.qt-project.org/4466
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
85f963b2f1