commit 98dd4bb2b1b08f04dd5034fe0c69daa15f6cc6da
author Jason Sams <jsams@google.com> Tue Apr 29 15:30:30 2014 -0700
committer Jason Sams <jsams@google.com> Tue Apr 29 16:31:32 2014 -0700
tree c5458df7d65b6c09879d32627c4f0f25d8665168
parent 2535dfcad8cd48f8d9bde76b9ae30961d0489d34

Fix performance regression in color matrix.

Previous bug fix which added "len &= 3" was buggy.

Change-Id: I32dba6b340ced35a7686243c5d9c468b5ade1ad6

cpu_ref/rsCpuIntrinsicColorMatrix.cpp

diff --git a/cpu_ref/rsCpuIntrinsicColorMatrix.cpp b/cpu_ref/rsCpuIntrinsicColorMatrix.cpp
index 90ce5f8..aec45c3 100644
--- a/cpu_ref/rsCpuIntrinsicColorMatrix.cpp
+++ b/cpu_ref/rsCpuIntrinsicColorMatrix.cpp
@@ -881,7 +881,7 @@
         if (gArchUseSIMD) {
             if((cp->mOptKernel != NULL) && (len >= 4)) {
                 cp->mOptKernel(out, in, cp->ip, len >> 2);
-                len &= 3;
+                len &= ~3;
                 x1 += len;
                 out += outstep * len;
                 in += instep * len;