X87: fix the bug which is introduced by R24169.

src/x87/lithium-codegen-x87.cc

 // Copyright 2012 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/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 5287 matching lines @@
     X87Register input_reg = ToX87Register(input);
     X87Fxch(input_reg);
     __ TruncateX87TOSToI(result_reg);
   } else {
     Label lost_precision, is_nan, minus_zero, done;
     X87Register input_reg = ToX87Register(input);
     X87Fxch(input_reg);
     Label::Distance dist = DeoptEveryNTimes() ? Label::kFar : Label::kNear;
     __ X87TOSToI(result_reg, instr->hydrogen()->GetMinusZeroMode(),
                  &lost_precision, &is_nan, &minus_zero, dist);
-    __ jmp(&done, dist);
+    __ jmp(&done, Label::kFar);

[Weiliang, 2014/09/25 12:56:55]

The default jmp is far. So you don't need to do it explicitly.
I will do it for you.

     __ bind(&lost_precision);
     DeoptimizeIf(no_condition, instr, "lost precision");
     __ bind(&is_nan);
     DeoptimizeIf(no_condition, instr, "NaN");
     __ bind(&minus_zero);
     DeoptimizeIf(no_condition, instr, "minus zero");
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoDoubleToSmi(LDoubleToSmi* instr) {
   LOperand* input = instr->value();
   DCHECK(input->IsDoubleRegister());
   LOperand* result = instr->result();
   DCHECK(result->IsRegister());
   Register result_reg = ToRegister(result);
 
   Label lost_precision, is_nan, minus_zero, done;
   X87Register input_reg = ToX87Register(input);
   X87Fxch(input_reg);
   Label::Distance dist = DeoptEveryNTimes() ? Label::kFar : Label::kNear;
   __ X87TOSToI(result_reg, instr->hydrogen()->GetMinusZeroMode(),
                &lost_precision, &is_nan, &minus_zero, dist);
-  __ jmp(&done, dist);
+  __ jmp(&done, Label::kFar);
   __ bind(&lost_precision);
   DeoptimizeIf(no_condition, instr, "lost precision");
   __ bind(&is_nan);
   DeoptimizeIf(no_condition, instr, "NaN");
   __ bind(&minus_zero);
   DeoptimizeIf(no_condition, instr, "minus zero");
   __ bind(&done);
   __ SmiTag(result_reg);
   DeoptimizeIf(overflow, instr, "overflow");
 }
@@ skipping 899 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87