Start incorporating 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 1415 matching lines @@
                       QRegister qd, QRegister qn, QRegister qm) {
   EmitSIMDqqq(B24 | B9 | B8, sz, qd, qn, qm);
 }
 
 
 void Assembler::vcgtqs(QRegister qd, QRegister qn, QRegister qm) {
   EmitSIMDqqq(B24 | B21 | B11 | B10 | B9, kSWord, qd, qn, qm);
 }
 
 
+#if 0
+// Moved to: ARM32::AssemblerARM32.
 void Assembler::bkpt(uint16_t imm16) {
   Emit(BkptEncoding(imm16));
 }
+#endif
 
 
 void Assembler::b(Label* label, Condition cond) {
   EmitBranch(cond, label, false);
 }
 
 
 void Assembler::bl(Label* label, Condition cond) {
   EmitBranch(cond, label, true);
 }
 
-
+#if 0
+// Moved to: ARM32::AssemblerARM32.
 void Assembler::bx(Register rm, Condition cond) {
   ASSERT(rm != kNoRegister);
   ASSERT(cond != kNoCondition);
   int32_t encoding = (static_cast<int32_t>(cond) << kConditionShift) |
                      B24 | B21 | (0xfff << 8) | B4 |
                      (static_cast<int32_t>(rm) << kRmShift);
   Emit(encoding);
 }
+#endif
 
 
 void Assembler::blx(Register rm, Condition cond) {
   ASSERT(rm != kNoRegister);
   ASSERT(cond != kNoCondition);
   int32_t encoding = (static_cast<int32_t>(cond) << kConditionShift) |
                      B24 | B21 | (0xfff << 8) | B5 | B4 |
                      (static_cast<int32_t>(rm) << kRmShift);
   Emit(encoding);
 }
@@ skipping 838 matching lines @@
     } else {
       int32_t next = buffer_.Load<int32_t>(position);
       int32_t encoded = Assembler::EncodeBranchOffset(dest, next);
       buffer_.Store<int32_t>(position, encoded);
       label->position_ = Assembler::DecodeBranchOffset(next);
     }
   }
   label->BindTo(bound_pc);
 }
 
-
+#if 0
+// Moved to: ARM32::AssemblerARM32 as method bind(Label* Label)
+// Note: Most of this code isn't needed because instruction selection has
+// already been handler
 void Assembler::BindARMv7(Label* label) {
   ASSERT(!label->IsBound());
   intptr_t bound_pc = buffer_.Size();
   while (label->IsLinked()) {
     const int32_t position = label->Position();
     int32_t dest = bound_pc - position;
     if (use_far_branches() && !CanEncodeBranchOffset(dest)) {
       // Far branches are enabled and we can't encode the branch offset.
 
       // Grab instructions that load the offset.
@@ skipping 46 matching lines @@
       label->position_ = DecodeARMv7LoadImmediate(movt, movw);
     } else {
       int32_t next = buffer_.Load<int32_t>(position);
       int32_t encoded = Assembler::EncodeBranchOffset(dest, next);
       buffer_.Store<int32_t>(position, encoded);
       label->position_ = Assembler::DecodeBranchOffset(next);
     }
   }
   label->BindTo(bound_pc);
 }
+#endif
 
 
 void Assembler::Bind(Label* label) {
   const ARMVersion version = TargetCPUFeatures::arm_version();
   if ((version == ARMv5TE) || (version == ARMv6)) {
     BindARMv6(label);
   } else {
     ASSERT(version == ARMv7);
     BindARMv7(label);
   }
@@ skipping 1250 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