Support immediate and memory operands for PushArgumentInstr in optimized code.

runtime/vm/assembler_x64.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/heap.h"
 #include "vm/memory_region.h"
@@ skipping 1589 matching lines @@
 }
 
 
 void Assembler::MoveRegister(Register to, Register from) {
   if (to != from) {
     movq(to, from);
   }
 }
 
 
-void Assembler::PushRegister(Register r) {
-  pushq(r);
-}
-
-
 void Assembler::PopRegister(Register r) {
   popq(r);
 }
 
 
 void Assembler::AddImmediate(Register reg, const Immediate& imm) {
   int64_t value = imm.value();
   if (value > 0) {
     if (value == 1) {
       incq(reg);
@@ skipping 485 matching lines @@
 
 const char* Assembler::XmmRegisterName(XmmRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64