Implemented ABS vectorization.

Rationale:
This CL adds the concept of vectorizing intrinsics
to the ART vectorizer. More can follow (MIN, MAX, etc).

Test: test-art-host, test-art-target (angler)
Change-Id: Ieed8aa83ec64c1250ac0578570249cce338b5d36
diff --git a/compiler/optimizing/code_generator_vector_mips.cc b/compiler/optimizing/code_generator_vector_mips.cc
index 6f5fe0d..6969abd 100644
--- a/compiler/optimizing/code_generator_vector_mips.cc
+++ b/compiler/optimizing/code_generator_vector_mips.cc
@@ -81,6 +81,14 @@
   LOG(FATAL) << "No SIMD for " << instruction->GetId();
 }
 
+void LocationsBuilderMIPS::VisitVecAbs(HVecAbs* instruction) {
+  CreateVecUnOpLocations(GetGraph()->GetArena(), instruction);
+}
+
+void InstructionCodeGeneratorMIPS::VisitVecAbs(HVecAbs* instruction) {
+  LOG(FATAL) << "No SIMD for " << instruction->GetId();
+}
+
 void LocationsBuilderMIPS::VisitVecNot(HVecNot* instruction) {
   CreateVecUnOpLocations(GetGraph()->GetArena(), instruction);
 }