Add X86/X86_64 support for CMOV from memory.

Add support for the memory form of CMOV.  Add tests.

Change-Id: Ib9f5dbd3031c7e235ee3f2afdb7db75eed46277a
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index 759a41e..00ff7bd 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -363,6 +363,7 @@
   void leal(Register dst, const Address& src);
 
   void cmovl(Condition condition, Register dst, Register src);
+  void cmovl(Condition condition, Register dst, const Address& src);
 
   void setb(Condition condition, Register dst);