commit 43f2f75df04495aa3dfd9bb80cf3180887d3b20e
author Alex Light <allight@google.com> Wed Dec 04 17:48:45 2019 +0000
committer Treehugger Robot <treehugger-gerrit@google.com> Thu Dec 05 08:13:02 2019 +0000
tree f1faf031608da284924e6ccd75b56307d55d17b1
parent 9317031cd016e02a26cdeea8045df9925b33ffe2

Revert^4 "Implement Dot Product Vectorization for x86"

This reverts commit 8e895008a3e2f2813bb46cb0c6bc76884e46e9ac.

Reason for revert: The test failure seems unrelated.
Bug: 144947842

Change-Id: I7b437f0443d71a5c762e1a8372564ed989971cc9

compiler/optimizing/loop_optimization.cc

diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc
index 9c4e9d2..567a41e 100644
--- a/compiler/optimizing/loop_optimization.cc
+++ b/compiler/optimizing/loop_optimization.cc
@@ -1623,13 +1623,19 @@
                              kNoDotProd;
             return TrySetVectorLength(16);
           case DataType::Type::kUint16:
+            *restrictions |= kNoDiv |
+                             kNoAbs |
+                             kNoSignedHAdd |
+                             kNoUnroundedHAdd |
+                             kNoSAD |
+                             kNoDotProd;
+            return TrySetVectorLength(8);
           case DataType::Type::kInt16:
             *restrictions |= kNoDiv |
                              kNoAbs |
                              kNoSignedHAdd |
                              kNoUnroundedHAdd |
-                             kNoSAD|
-                             kNoDotProd;
+                             kNoSAD;
             return TrySetVectorLength(8);
           case DataType::Type::kInt32:
             *restrictions |= kNoDiv | kNoSAD;
@@ -2166,7 +2172,7 @@
                                               bool generate_code,
                                               DataType::Type reduction_type,
                                               uint64_t restrictions) {
-  if (!instruction->IsAdd() || (reduction_type != DataType::Type::kInt32)) {
+  if (!instruction->IsAdd() || reduction_type != DataType::Type::kInt32) {
     return false;
   }