Add mul instruction to ARM integrated assembler.

src/DartARM32/assembler_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // This is forked from Dart revision df52deea9f25690eb8b66c5995da92b70f7ac1fe
 // Please update the (git) revision if we merge changes from Dart.
 // https://code.google.com/p/dart/wiki/GettingTheSource
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_ARM)
@@ skipping 335 matching lines @@
 // Moved to ARM::AssemblerARM32::movt
 void Assembler::movt(Register rd, uint16_t imm16, Condition cond) {
   ASSERT(cond != kNoCondition);
   int32_t encoding = static_cast<int32_t>(cond) << kConditionShift |
                      B25 | B24 | B22 | ((imm16 >> 12) << 16) |
                      static_cast<int32_t>(rd) << kRdShift | (imm16 & 0xfff);
   Emit(encoding);
 }
 #endif
 
-
+#if 0
+// Moved to ARM32::AssemblerARM32::emitMulOp
 void Assembler::EmitMulOp(Condition cond, int32_t opcode,
                           Register rd, Register rn,
                           Register rm, Register rs) {
   ASSERT(rd != kNoRegister);
   ASSERT(rn != kNoRegister);
   ASSERT(rm != kNoRegister);
   ASSERT(rs != kNoRegister);
   ASSERT(cond != kNoCondition);
   int32_t encoding = opcode |
       (static_cast<int32_t>(cond) << kConditionShift) |
       (static_cast<int32_t>(rn) << kRnShift) |
       (static_cast<int32_t>(rd) << kRdShift) |
       (static_cast<int32_t>(rs) << kRsShift) |
       B7 | B4 |
       (static_cast<int32_t>(rm) << kRmShift);
   Emit(encoding);
 }
 
-
+// Moved to ARM32::AssemblerARM32::mul
 void Assembler::mul(Register rd, Register rn, Register rm, Condition cond) {
   // Assembler registers rd, rn, rm are encoded as rn, rm, rs.
   EmitMulOp(cond, 0, R0, rd, rn, rm);
 }
-
+#endif
 
 // Like mul, but sets condition flags.
 void Assembler::muls(Register rd, Register rn, Register rm, Condition cond) {
   EmitMulOp(cond, B20, R0, rd, rn, rm);
 }
 
 
 void Assembler::mla(Register rd, Register rn,
                     Register rm, Register ra, Condition cond) {
   // rd <- ra + rn * rm.
@@ skipping 3282 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM