Fix SmiCompare on 64 bit to distinguish between comparisons where...

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
===================================================================
--- src/x64/macro-assembler-x64.h	(revision 7153)
+++ src/x64/macro-assembler-x64.h	(working copy)
@@ -278,12 +278,14 @@
                                            int power);
 
 
-  // Simple comparison of smis.
-  void SmiCompare(Register dst, Register src);
+  // Simple comparison of Smis.

[Lasse Reichstein, 2011/03/14 08:51:01]

Actually, I believe we try to write "smi" as lower-case when referring to the
concept, not the Class.

[Erik Corry, 2011/03/14 16:26:45]

Done.

   void SmiCompare(Register dst, Smi* src);
   void SmiCompare(Register dst, const Operand& src);
   void SmiCompare(const Operand& dst, Register src);
   void SmiCompare(const Operand& dst, Smi* src);
+  // Unlike the above these do not assume that the operand or reg contain a Smi.
+  void SmiCompareWithObject(Register dst, Smi* src);
+  void SmiCompareWithObject(const Operand& dst, Smi* src);

[Lasse Reichstein, 2011/03/14 08:51:01]

Rename them to Cmp and group them with the Cmp functions instead.

[Erik Corry, 2011/03/14 16:26:45]

Done.

   // Compare the int32 in src register to the value of the smi stored at dst.
   void SmiCompareInteger32(const Operand& dst, Register src);
   // Sets sign and zero flags depending on value of smi in register.
@@ -702,6 +704,7 @@
 
   // Abort execution if argument is not a smi. Used in debug code.
   void AbortIfNotSmi(Register object);
+  void AbortIfNotSmi(const Operand& object);
 
   // Abort execution if argument is a string. Used in debug code.
   void AbortIfNotString(Register object);