Implemented missing instructions in ia32, more sharing, removed bailouts, enable optimiziations on …

runtime/vm/flow_graph_compiler_x64.cc

Index: runtime/vm/flow_graph_compiler_x64.cc
===================================================================
--- runtime/vm/flow_graph_compiler_x64.cc	(revision 8338)
+++ runtime/vm/flow_graph_compiler_x64.cc	(working copy)
@@ -24,7 +24,6 @@
 DEFINE_FLAG(bool, trace_functions, false, "Trace entry of each function.");
 DECLARE_FLAG(bool, enable_type_checks);
 DECLARE_FLAG(bool, print_ast);
-DECLARE_FLAG(bool, code_comments);
 
 
 void DeoptimizationStub::GenerateCode(FlowGraphCompilerShared* compiler) {
@@ -659,44 +658,6 @@
 }
 
 
-void FlowGraphCompiler::VisitBlocks() {
-  for (intptr_t i = 0; i < block_order().length(); ++i) {
-    __ Comment("B%d", i);
-    // Compile the block entry.
-    set_current_block(block_order()[i]);
-    current_block()->PrepareEntry(this);
-    Instruction* instr = current_block()->StraightLineSuccessor();
-    // Compile all successors until an exit, branch, or a block entry.
-    while ((instr != NULL) && !instr->IsBlockEntry()) {
-      if (FLAG_code_comments) EmitComment(instr);
-      ASSERT(instr->locs() != NULL);
-      EmitInstructionPrologue(instr);
-      instr->EmitNativeCode(this);
-      instr = instr->StraightLineSuccessor();
-    }
-
-    BlockEntryInstr* successor =
-        (instr == NULL) ? NULL : instr->AsBlockEntry();
-    if (successor != NULL) {
-      // Block ended with a "goto".  We can fall through if it is the
-      // next block in the list.  Otherwise, we need a jump.
-      if ((i == block_order().length() - 1) ||
-          (block_order()[i + 1] != successor)) {
-        __ jmp(GetBlockLabel(successor));
-      }
-    }
-  }
-}
-
-
-void FlowGraphCompiler::EmitComment(Instruction* instr) {
-  char buffer[80];
-  BufferFormatter f(buffer, sizeof(buffer));
-  instr->PrintTo(&f);
-  __ Comment("@%d: %s", instr->cid(), buffer);
-}
-
-
 // Copied from CodeGenerator::CopyParameters (CodeGenerator will be deprecated).
 void FlowGraphCompiler::CopyParameters() {
   const Function& function = parsed_function().function();