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

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

Index: src/compiler/x87/code-generator-x87.cc
diff --git a/src/compiler/x87/code-generator-x87.cc b/src/compiler/x87/code-generator-x87.cc
index 59832b43ff24cc94a821500292f8718b6db39196..3ea22d522fe21933f8b763305ffee338d98de49a 100644
--- a/src/compiler/x87/code-generator-x87.cc
+++ b/src/compiler/x87/code-generator-x87.cc
@@ -505,7 +505,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       __ 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: