[x86] Slow case of TruncateDoubleToI shouldn't be inline.

src/compiler/ia32/code-generator-ia32.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/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 173 matching lines @@
  public:
   OutOfLineLoadFloat(CodeGenerator* gen, XMMRegister result)
       : OutOfLineCode(gen), result_(result) {}
 
   void Generate() FINAL { __ pcmpeqd(result_, result_); }
 
  private:
   XMMRegister const result_;
 };
 
+
+class OutOfLineTruncateDoubleToI FINAL : public OutOfLineCode {
+ public:
+  OutOfLineTruncateDoubleToI(CodeGenerator* gen, Register result,
+                             XMMRegister input)
+      : OutOfLineCode(gen), result_(result), input_(input) {}
+
+  void Generate() FINAL {
+    __ sub(esp, Immediate(kDoubleSize));
+    __ movsd(MemOperand(esp, 0), input_);
+    __ SlowTruncateToI(result_, esp, 0);
+    __ add(esp, Immediate(kDoubleSize));
+  }
+
+ private:
+  Register const result_;
+  XMMRegister const input_;
+};
+
 }  // namespace
 
 
 #define ASSEMBLE_CHECKED_LOAD_FLOAT(asm_instr)                          \
   do {                                                                  \
     auto result = i.OutputDoubleRegister();                             \
     auto offset = i.InputRegister(0);                                   \
     if (instr->InputAt(1)->IsRegister()) {                              \
       __ cmp(offset, i.InputRegister(1));                               \
     } else {                                                            \
@@ skipping 90 matching lines @@
       break;
     case kArchNop:
       // don't emit code for nops.
       break;
     case kArchRet:
       AssembleReturn();
       break;
     case kArchStackPointer:
       __ mov(i.OutputRegister(), esp);
       break;
-    case kArchTruncateDoubleToI:
-      __ TruncateDoubleToI(i.OutputRegister(), i.InputDoubleRegister(0));
+    case kArchTruncateDoubleToI: {
+      auto result = i.OutputRegister();
+      auto input = i.InputDoubleRegister(0);
+      auto ool = new (zone()) OutOfLineTruncateDoubleToI(this, result, input);
+      __ cvttsd2si(result, Operand(input));
+      __ cmp(result, 1);
+      __ j(overflow, ool->entry());
+      __ bind(ool->exit());
       break;
+    }
     case kIA32Add:
       if (HasImmediateInput(instr, 1)) {
         __ add(i.InputOperand(0), i.InputImmediate(1));
       } else {
         __ add(i.InputRegister(0), i.InputOperand(1));
       }
       break;
     case kIA32And:
       if (HasImmediateInput(instr, 1)) {
         __ and_(i.InputOperand(0), i.InputImmediate(1));
@@ skipping 870 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8