Revert "ARM/ARM64: Extend support of instruction combining."

The test fails its checker parts.

This reverts commit debeb98aaa8950caf1a19df490f2ac9bf563075b.

Change-Id: I49929e15950c7814da6c411ecd2b640d12de80df
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 57fa558..019be5d 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -1226,16 +1226,6 @@
   M(UShr, BinaryOperation)                                              \
   M(Xor, BinaryOperation)                                               \
 
-/*
- * Instructions, shared across several (not all) architectures.
- */
-#if !defined(ART_ENABLE_CODEGEN_arm) && !defined(ART_ENABLE_CODEGEN_arm64)
-#define FOR_EACH_CONCRETE_INSTRUCTION_SHARED(M)
-#else
-#define FOR_EACH_CONCRETE_INSTRUCTION_SHARED(M)                         \
-  M(MultiplyAccumulate, Instruction)
-#endif
-
 #ifndef ART_ENABLE_CODEGEN_arm
 #define FOR_EACH_CONCRETE_INSTRUCTION_ARM(M)
 #else
@@ -1248,7 +1238,8 @@
 #else
 #define FOR_EACH_CONCRETE_INSTRUCTION_ARM64(M)                          \
   M(Arm64DataProcWithShifterOp, Instruction)                            \
-  M(Arm64IntermediateAddress, Instruction)
+  M(Arm64IntermediateAddress, Instruction)                              \
+  M(Arm64MultiplyAccumulate, Instruction)
 #endif
 
 #define FOR_EACH_CONCRETE_INSTRUCTION_MIPS(M)
@@ -1268,7 +1259,6 @@
 
 #define FOR_EACH_CONCRETE_INSTRUCTION(M)                                \
   FOR_EACH_CONCRETE_INSTRUCTION_COMMON(M)                               \
-  FOR_EACH_CONCRETE_INSTRUCTION_SHARED(M)                               \
   FOR_EACH_CONCRETE_INSTRUCTION_ARM(M)                                  \
   FOR_EACH_CONCRETE_INSTRUCTION_ARM64(M)                                \
   FOR_EACH_CONCRETE_INSTRUCTION_MIPS(M)                                 \
@@ -5728,9 +5718,6 @@
 
 }  // namespace art
 
-#if defined(ART_ENABLE_CODEGEN_arm) || defined(ART_ENABLE_CODEGEN_arm64)
-#include "nodes_shared.h"
-#endif
 #ifdef ART_ENABLE_CODEGEN_arm
 #include "nodes_arm.h"
 #endif