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

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index b65d328435eeb9d22f37504b21aecac83738797f..a2b400ed541f932d44b1565594c662587eeb2ddc 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2141,8 +2141,10 @@ void MacroAssembler::IndexFromHash(Register hash, Register index) {
 }
 
 
-void MacroAssembler::CallRuntime(Runtime::FunctionId id, int num_arguments) {
-  CallRuntime(Runtime::FunctionForId(id), num_arguments);
+void MacroAssembler::CallRuntime(Runtime::FunctionId fid,
+                                 int num_arguments,
+                                 SaveFPRegsMode save_doubles) {
+  CallRuntime(Runtime::FunctionForId(fid), num_arguments, save_doubles);
 }
 
 
@@ -2157,7 +2159,8 @@ void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) {
 
 
 void MacroAssembler::CallRuntime(const Runtime::Function* f,
-                                 int num_arguments) {
+                                 int num_arguments,
+                                 SaveFPRegsMode save_doubles) {
   // If the expected number of arguments of the runtime function is
   // constant, we check that the actual number of arguments match the
   // expectation.
@@ -2172,7 +2175,8 @@ void MacroAssembler::CallRuntime(const Runtime::Function* f,
   // smarter.
   Set(eax, Immediate(num_arguments));
   mov(ebx, Immediate(ExternalReference(f, isolate())));
-  CEntryStub ces(1);
+  CEntryStub ces(1, CpuFeatures::IsSupported(SSE2) ? save_doubles
+                                                   : kDontSaveFPRegs);
   CallStub(&ces);
 }