Collect type feedback on result of Math.[round|ceil|floor]

src/mips/macro-assembler-mips.cc

Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index 030a634ce93b614ada27cc52764ae3581199f5d6..8c0a15a384896ca0c045cbea1bf1c5a5ea5c8889 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -4602,6 +4602,15 @@ void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) {
 }
 
 
+void MacroAssembler::BranchIfNotBuiltin(Register function, Register temp,
+                                        BuiltinFunctionId id, Label* miss) {
+  DCHECK(!temp.is(at));
+  lw(temp, FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
+  lw(temp, FieldMemOperand(temp, SharedFunctionInfo::kFunctionDataOffset));
+  Branch(miss, ne, temp, Operand(Smi::FromInt(id)));
+}
+
+
 void MacroAssembler::SetCounter(StatsCounter* counter, int value,
                                 Register scratch1, Register scratch2) {
   if (FLAG_native_code_counters && counter->Enabled()) {