Introduce Push and Pop register macro instructions for all platforms

src/mips/macro-assembler-mips.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 609 matching lines @@
 
   // Push multiple registers on the stack.
   // Registers are saved in numerical order, with higher numbered registers
   // saved in higher memory addresses.
   void MultiPush(RegList regs);
   void MultiPushReversed(RegList regs);
 
   void MultiPushFPU(RegList regs);
   void MultiPushReversedFPU(RegList regs);
 
-  // Lower case push() for compatibility with arch-independent code.
   void push(Register src) {
     Addu(sp, sp, Operand(-kPointerSize));
     sw(src, MemOperand(sp, 0));
   }
+  void Push(Register src) { push(src); }
 
   // Push a handle.
   void Push(Handle<Object> handle);
   void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); }
 
   // Push two registers. Pushes leftmost register first (to highest address).
   void Push(Register src1, Register src2) {
     Subu(sp, sp, Operand(2 * kPointerSize));
     sw(src1, MemOperand(sp, 1 * kPointerSize));
     sw(src2, MemOperand(sp, 0 * kPointerSize));
@@ skipping 24 matching lines @@
   }
 
   // Pops multiple values from the stack and load them in the
   // registers specified in regs. Pop order is the opposite as in MultiPush.
   void MultiPop(RegList regs);
   void MultiPopReversed(RegList regs);
 
   void MultiPopFPU(RegList regs);
   void MultiPopReversedFPU(RegList regs);
 
-  // Lower case pop() for compatibility with arch-independent code.
   void pop(Register dst) {
     lw(dst, MemOperand(sp, 0));
     Addu(sp, sp, Operand(kPointerSize));
   }
+  void Pop(Register dst) { pop(dst); }
 
   // Pop two registers. Pops rightmost register first (from lower address).
   void Pop(Register src1, Register src2) {
     ASSERT(!src1.is(src2));
     lw(src2, MemOperand(sp, 0 * kPointerSize));
     lw(src1, MemOperand(sp, 1 * kPointerSize));
     Addu(sp, sp, 2 * kPointerSize);
   }
 
   // Pop three registers. Pops rightmost register first (from lower address).
@@ skipping 893 matching lines @@
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_