Remove TuckTemp, PickTemp, use temporary locals instead.

runtime/vm/flow_graph_compiler_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"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 1172 matching lines @@
 
 void FlowGraphCompiler::VisitTargetEntry(TargetEntryInstr* instr) {
   __ Bind(&block_info_[instr->postorder_number()]->label);
   if (instr->HasTryIndex()) {
     exception_handlers_list_->AddHandler(instr->try_index(),
                                          assembler_->CodeSize());
   }
 }
 
 
-void FlowGraphCompiler::VisitPickTemp(PickTempInstr* instr) {
-  // Semantics is to copy a stack-allocated temporary to the top of stack.
-  // Destination index d is assumed the new top of stack after the
-  // operation, so d-1 is the current top of stack and so d-s-1 is the
-  // offset to source index s.
-  intptr_t offset = instr->temp_index() - instr->source() - 1;
-  ASSERT(offset >= 0);
-  __ pushq(Address(RSP, offset * kWordSize));
-}
-
-
-void FlowGraphCompiler::VisitTuckTemp(TuckTempInstr* instr) {
-  // Semantics is to assign to a stack-allocated temporary a copy of the top
-  // of stack.  Source index s is assumed the top of stack, s-d is the
-  // offset to destination index d.
-  intptr_t offset = instr->source() - instr->destination();
-  ASSERT(offset >= 0);
-  __ movq(RAX, Address(RSP, 0));
-  __ movq(Address(RSP, offset * kWordSize), RAX);
-}
-
-
 void FlowGraphCompiler::VisitDo(DoInstr* instr) {
   instr->computation()->Accept(this);
 }
 
 
 void FlowGraphCompiler::VisitBind(BindInstr* instr) {
   instr->computation()->Accept(this);
   __ pushq(RAX);
 }
 
@@ skipping 508 matching lines @@
   ASSERT(exception_handlers_list_ != NULL);
   const ExceptionHandlers& handlers = ExceptionHandlers::Handle(
       exception_handlers_list_->FinalizeExceptionHandlers(code.EntryPoint()));
   code.set_exception_handlers(handlers);
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64