Use movw/movt instead of constant pool on ARMv7

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 326cc4e9c2c267b5793ee99cc8f5ae6ec8418593..53edf45acc3cd72cbbcbb8fd06cebb49e5e0b59f 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2471,6 +2471,7 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
     // We use Factory::the_hole_value() on purpose instead of loading from the
     // root array to force relocation to be able to later patch with
     // the cached map.
+    ScopedPredictableCodeSize predictable(masm_);
     Handle<JSGlobalPropertyCell> cell =
         factory()->NewJSGlobalPropertyCell(factory()->the_hole_value());
     __ mov(ip, Operand(Handle<Object>(cell)));
@@ -2532,6 +2533,9 @@ void LCodeGen::DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
   ASSERT(temp.is(r4));
   __ LoadHeapObject(InstanceofStub::right(), instr->function());
   static const int kAdditionalDelta = 5;
+  // Make sure that code size is predicable, since we use specific constants
+  // offsets in the code to find embedded values..
+  ScopedPredictableCodeSize predictable(masm_);
   int delta = masm_->InstructionsGeneratedSince(map_check) + kAdditionalDelta;
   Label before_push_delta;
   __ bind(&before_push_delta);
@@ -5551,6 +5555,7 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
     __ cmp(sp, Operand(ip));
     __ b(hs, &done);
     StackCheckStub stub;
+    ScopedPredictableCodeSize predictable_code_size(masm_);
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
     EnsureSpaceForLazyDeopt();
     __ bind(&done);