[turbofan] First shot at eager deoptimization in Turbofan.

src/compiler/ppc/code-generator-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/ppc/macro-assembler-ppc.h"
@@ skipping 550 matching lines @@
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
     case kArchTableSwitch:
       AssembleArchTableSwitch(instr);
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
     case kArchNop:
       // don't emit code for nops.
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
+    case kArchDeoptimize: {
+      int deopt_state_id =
+          BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
+      AssembleDeoptimizerCall(deopt_state_id, Deoptimizer::EAGER);
+      break;
+    }
     case kArchRet:
       AssembleReturn();
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
     case kArchStackPointer:
       __ mr(i.OutputRegister(), sp);
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
     case kArchTruncateDoubleToI:
       // TODO(mbrandy): move slow call to stub out of line.
@@ skipping 524 matching lines @@
   Label* const table = AddJumpTable(cases, case_count);
   __ Cmpli(input, Operand(case_count), r0);
   __ bge(GetLabel(i.InputRpo(1)));
   __ mov_label_addr(kScratchReg, table);
   __ ShiftLeftImm(r0, input, Operand(kPointerSizeLog2));
   __ LoadPX(kScratchReg, MemOperand(kScratchReg, r0));
   __ Jump(kScratchReg);
 }
 
 
-void CodeGenerator::AssembleDeoptimizerCall(int deoptimization_id) {
+void CodeGenerator::AssembleDeoptimizerCall(
+    int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
   Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
-      isolate(), deoptimization_id, Deoptimizer::LAZY);
+      isolate(), deoptimization_id, bailout_type);
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
 }
 
 
 void CodeGenerator::AssemblePrologue() {
   CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   int stack_slots = frame()->GetSpillSlotCount();
   if (descriptor->kind() == CallDescriptor::kCallAddress) {
     __ function_descriptor();
     int register_save_area_size = 0;
@@ skipping 270 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8