MIPS: Lazily save double registers for HCallRuntime instructions within Hydrogen code stubs.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 97dcd163cf2c7a6b2ffaf0e37e3feacf31db8c29..c8ce78ec57a181e5de664dc9c4cb1493ae9539a2 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -712,13 +712,15 @@ void LCodeGen::CallCodeGeneric(Handle<Code> code,
 
 void LCodeGen::CallRuntime(const Runtime::Function* function,
                            int num_arguments,
-                           LInstruction* instr) {
+                           LInstruction* instr,
+                           SaveFPRegsMode save_doubles) {
   ASSERT(instr != NULL);
   LPointerMap* pointers = instr->pointer_map();
   ASSERT(pointers != NULL);
   RecordPosition(pointers->position());
 
-  __ CallRuntime(function, num_arguments);
+  __ CallRuntime(function, num_arguments, save_doubles);
+
   RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
 }