Add POP instruction to ARM integrated assembler.

src/DartARM32/assembler_arm.h

 // 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
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
@@ skipping 558 matching lines @@
 
   void ldrsb(Register rd, Address ad, Condition cond = AL);
   void ldrsh(Register rd, Address ad, Condition cond = AL);
 
   // ldrd and strd actually support the full range of addressing modes, but
   // we don't use them, and we need to split them up into two instructions for
   // ARMv5TE, so we only support the base + offset mode.
   void ldrd(Register rd, Register rn, int32_t offset, Condition cond = AL);
   void strd(Register rd, Register rn, int32_t offset, Condition cond = AL);
 
+#if 0
+  // Folded into ARM32::AssemblerARM32::popList(), since it is its only use (and
+  // doesn't implement ARM LDM instructions).
   void ldm(BlockAddressMode am, Register base,
            RegList regs, Condition cond = AL);
-#if 0
-  // Folded into ARM32::AssemblerARM32::pushList(), since it is its only
-  // use (and doesn't implement ARM STM instruction).
+
+  // Folded into ARM32::AssemblerARM32::pushList(), since it is its only use
+  // (and doesn't implement ARM STM instruction).
   void stm(BlockAddressMode am, Register base,
            RegList regs, Condition cond = AL);
 #endif
 
   void ldrex(Register rd, Register rn, Condition cond = AL);
   void strex(Register rd, Register rt, Register rn, Condition cond = AL);
 
   // Miscellaneous instructions.
   void clrex();
   void nop(Condition cond = AL);
@@ skipping 335 matching lines @@
   void CopyDoubleField(Register dst, Register src,
                        Register tmp1, Register tmp2, DRegister dtmp);
   void CopyFloat32x4Field(Register dst, Register src,
                           Register tmp1, Register tmp2, DRegister dtmp);
   void CopyFloat64x2Field(Register dst, Register src,
                           Register tmp1, Register tmp2, DRegister dtmp);
 
 #if 0
   // Moved to ARM32::AssemblerARM32::push().
   void Push(Register rd, Condition cond = AL);
-#endif
+
+  // Moved to ARM32::AssemblerARM32::pop().
   void Pop(Register rd, Condition cond = AL);
 
-#if 0
-  // Moved to ARM32::AssemblerARM32::pushList();
+  // Moved to ARM32::AssemblerARM32::pushList().
   void PushList(RegList regs, Condition cond = AL);
+
+  // Moved to ARM32::AssemblerARM32::popList().
+  void PopList(RegList regs, Condition cond = AL);
 #endif
-  void PopList(RegList regs, Condition cond = AL);
-
   void MoveRegister(Register rd, Register rm, Condition cond = AL);
 
   // Convenience shift instructions. Use mov instruction with shifter operand
   // for variants setting the status flags.
   void Lsl(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
   void Lsl(Register rd, Register rm, Register rs, Condition cond = AL);
   void Lsr(Register rd, Register rm, const Operand& shift_imm,
            Condition cond = AL);
   void Lsr(Register rd, Register rm, Register rs, Condition cond = AL);
@@ skipping 339 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_