Add ASR instruction to the 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 2602 matching lines @@
   if (shift == 32) {
     shift = 0;  // Comply to UAL syntax.
   }
   mov(rd, Operand(rm, LSR, shift), cond);
 }
 
 // Moved to ARM32::AssemblerARM32::lsr()
 void Assembler::Lsr(Register rd, Register rm, Register rs, Condition cond) {
   mov(rd, Operand(rm, LSR, rs), cond);
 }
-#endif
 
-
+// Moved to ARM32::AssemblerARM32::asr()
 void Assembler::Asr(Register rd, Register rm, const Operand& shift_imm,
                     Condition cond) {
   ASSERT(shift_imm.type() == 1);
   uint32_t shift = shift_imm.encoding();
   ASSERT(shift != 0);  // Do not use Asr if no shift is wanted.
   if (shift == 32) {
     shift = 0;  // Comply to UAL syntax.
   }
   mov(rd, Operand(rm, ASR, shift), cond);
 }
-
+#endif
 
 void Assembler::Asrs(Register rd, Register rm, const Operand& shift_imm,
                      Condition cond) {
   ASSERT(shift_imm.type() == 1);
   uint32_t shift = shift_imm.encoding();
   ASSERT(shift != 0);  // Do not use Asr if no shift is wanted.
   if (shift == 32) {
     shift = 0;  // Comply to UAL syntax.
   }
   movs(rd, Operand(rm, ASR, shift), cond);
 }
 
-
+#if 0
+// Moved to ARM32::AssemblerARM32::asr()
 void Assembler::Asr(Register rd, Register rm, Register rs, Condition cond) {
   mov(rd, Operand(rm, ASR, rs), cond);
 }
-
+#endif
 
 void Assembler::Ror(Register rd, Register rm, const Operand& shift_imm,
                     Condition cond) {
   ASSERT(shift_imm.type() == 1);
   ASSERT(shift_imm.encoding() != 0);  // Use Rrx instruction.
   mov(rd, Operand(rm, ROR, shift_imm.encoding()), cond);
 }
 
 
 void Assembler::Ror(Register rd, Register rm, Register rs, Condition cond) {
@@ skipping 1023 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