Add the PUSH 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 557 matching lines @@
   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);
 
   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).
   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);
 
 #if 0
   // Moved to: ARM32::AssemblerARM32::bkpt()
@@ skipping 329 matching lines @@
                               Register base,
                               int32_t offset);
 
   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
   void Pop(Register rd, Condition cond = AL);
 
+#if 0
+  // Moved to ARM32::AssemblerARM32::pushList();
   void PushList(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,
@@ skipping 216 matching lines @@
                  bool byte,
                  Register rd,
                  Address ad);
 #endif
 
   void EmitMemOpAddressMode3(Condition cond,
                              int32_t mode,
                              Register rd,
                              Address ad);
 
+#if 0
+  // Moved to ARM32::AssemblerARM32::emitMultiMemOp()
   void EmitMultiMemOp(Condition cond,
                       BlockAddressMode am,
                       bool load,
                       Register base,
                       RegList regs);
+#endif
 
   void EmitShiftImmediate(Condition cond,
                           Shift opcode,
                           Register rd,
                           Register rm,
                           Operand o);
 
   void EmitShiftRegister(Condition cond,
                          Shift opcode,
                          Register rd,
@@ skipping 97 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_