Merged r16772, r18000, r18298, r18319 into 3.21 branch.

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 09c8a800ccab1a4e3cdf06a7337dc0c2284b6efc..108df23e5d0f7b690284b4e47656110630c333fd 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -1232,13 +1232,17 @@ class MacroAssembler: public Assembler {
   void StubReturn(int argc);
 
   // Call a runtime routine.
-  void CallRuntime(const Runtime::Function* f, int num_arguments);
+  void CallRuntime(const Runtime::Function* f,
+                   int num_arguments,
+                   SaveFPRegsMode save_doubles = kDontSaveFPRegs);
 
   // Call a runtime function and save the value of XMM registers.
   void CallRuntimeSaveDoubles(Runtime::FunctionId id);
 
   // Convenience function: Same as above, but takes the fid instead.
-  void CallRuntime(Runtime::FunctionId id, int num_arguments);
+  void CallRuntime(Runtime::FunctionId fid,
+                   int num_arguments,
+                   SaveFPRegsMode save_doubles = kDontSaveFPRegs);
 
   // Convenience function: call an external reference.
   void CallExternalReference(const ExternalReference& ext,