ARM/ARM64: Extend support of instruction combining.

Combine multiply instructions in the following way:
ARM64:
MUL/NEG -> MNEG
ARM32 (32-bit integers only):
MUL/ADD -> MLA
MUL/SUB -> MLS

Change-Id: If20f2d8fb060145ab6fbceeb5a8f1a3d02e0ecdb

1 files changed, 0 insertions, 4 deletions

diff --git a/compiler/optimizing/instruction_simplifier_arm64.h b/compiler/optimizing/instruction_simplifier_arm64.h
index b7f490bb8c..37a34c0373 100644
--- a/compiler/optimizing/instruction_simplifier_arm64.h
+++ b/compiler/optimizing/instruction_simplifier_arm64.h
@@ -51,10 +51,6 @@ class InstructionSimplifierArm64Visitor : public HGraphVisitor {
     return TryMergeIntoShifterOperand(use, bitfield_op, true);
   }
 
-  bool TrySimpleMultiplyAccumulatePatterns(HMul* mul,
-                                           HBinaryOperation* input_binop,
-                                           HInstruction* input_other);
-
   // HInstruction visitors, sorted alphabetically.
   void VisitArrayGet(HArrayGet* instruction) OVERRIDE;
   void VisitArraySet(HArraySet* instruction) OVERRIDE;