[arm] Drop SMMLS support.

src/arm/assembler-arm.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 960 matching lines @@
             Condition cond = al);
 
   void udiv(Register dst, Register src1, Register src2, Condition cond = al);
 
   void mul(Register dst, Register src1, Register src2,
            SBit s = LeaveCC, Condition cond = al);
 
   void smmla(Register dst, Register src1, Register src2, Register srcA,
              Condition cond = al);
 
-  void smmls(Register dst, Register src1, Register src2, Register srcA,
-             Condition cond = al);
-
   void smmul(Register dst, Register src1, Register src2, Condition cond = al);
 
   void smlal(Register dstL, Register dstH, Register src1, Register src2,
              SBit s = LeaveCC, Condition cond = al);
 
   void smull(Register dstL, Register dstH, Register src1, Register src2,
              SBit s = LeaveCC, Condition cond = al);
 
   void umlal(Register dstL, Register dstH, Register src1, Register src2,
              SBit s = LeaveCC, Condition cond = al);
@@ skipping 668 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_