X87: [turbofan] Add initial support for SOFT deopts.

src/compiler/x87/code-generator-x87.cc

 // Copyright 2013 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/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 487 matching lines @@
       // of this instruction.
       if (double_register_param_count > 0) {
         x87_layout = (0 << 3) | 1;
       }
       // The layout of x87 register stack is loaded on the top of FPU register
       // stack for deoptimization.
       __ push(Immediate(x87_layout));
       __ fild_s(MemOperand(esp, 0));
       __ lea(esp, Operand(esp, kPointerSize));
 
-      AssembleDeoptimizerCall(deopt_state_id, Deoptimizer::EAGER);
+      Deoptimizer::BailoutType bailout_type =
+          Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
+      AssembleDeoptimizerCall(deopt_state_id, bailout_type);
       break;
     }
     case kArchRet:
       AssembleReturn();
       break;
     case kArchFramePointer:
       __ mov(i.OutputRegister(), ebp);
       break;
     case kArchStackPointer:
       __ mov(i.OutputRegister(), esp);
@@ skipping 1486 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8