Allow uint32 value on optimized frames if they are consumed by safe operations.

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 d62606c6e2b9f8dfe9a6059e44872d63d24b4e82..bd1ef3e93036a3010073dd9868ca38d5bc21f2bc 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -317,6 +317,7 @@ class MacroAssembler: public Assembler {
   void PopSafepointRegisters() { Popad(); }
   // Store the value in register src in the safepoint register stack
   // slot for register dst.
+  void StoreToSafepointRegisterSlot(Register dst, const Immediate& imm);
   void StoreToSafepointRegisterSlot(Register dst, Register src);
   void LoadFromSafepointRegisterSlot(Register dst, Register src);
 
@@ -944,6 +945,8 @@ class MacroAssembler: public Assembler {
                           Register result_reg,
                           Register temp_reg);
 
+  void LoadUint32(XMMRegister dst, Register src, XMMRegister scratch);
+
   void LoadInstanceDescriptors(Register map, Register descriptors);
 
   // Abort execution if argument is not a number. Used in debug code.