Remove indirection when calling Runtime_StackGuard.

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index bf6f1c82e4a8a1b9d530241b3d115acebbff6147..676d1c31c688d201cabf2038ff1d5c0e9a9d4e1d 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -298,7 +298,7 @@ void FullCodeGenerator::Generate() {
       Label ok;
       __ LoadRoot(t0, Heap::kStackLimitRootIndex);
       __ Branch(&ok, hs, sp, Operand(t0));
-      __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET);
+      __ CallRuntime(Runtime::kStackCheck, 0);
       __ bind(&ok);
     }
 
@@ -416,8 +416,7 @@ void FullCodeGenerator::EmitReturnSequence() {
         __ push(a2);
         __ CallRuntime(Runtime::kOptimizeFunctionOnNextCall, 1);
       } else {
-        __ Call(isolate()->builtins()->InterruptCheck(),
-                RelocInfo::CODE_TARGET);
+        __ CallRuntime(Runtime::kInterrupt, 0);
       }
       __ pop(v0);
       EmitProfilingCounterReset();