ARM backend support for pld (preload data) instruction

src/arm/constants-arm.h

Index: src/arm/constants-arm.h
===================================================================
--- src/arm/constants-arm.h	(revision 13713)
+++ src/arm/constants-arm.h	(working copy)
@@ -708,6 +708,13 @@
     return (TypeValue() == 7) && (Bit(24) == 1) && (SvcValue() >= kStopCode);
   }
 
+  // Test for a pld instruction
+  inline bool IsPld() const { return (Bits(31, 28) == 15)

[danno, 2013/02/28 07:06:32]

nit: formatting, please don't put code on the line after { unless it fits on a
single line. Also ensure arguments line up on subsequent lines according to
style guide.

+                                     && (Bits(27, 26) == 1)
+                                     && (Bit(24) == 1)
+                                     && (Bits(22, 20) == 5)
+                                     && (Bits(15, 12) == 15); }

[danno, 2013/02/28 07:06:32]

} on next line by itself.

[rkrithiv, 2013/04/05 00:16:53]

Done.

+
   // Special accessors that test for existence of a value.
   inline bool HasS()    const { return SValue() == 1; }
   inline bool HasB()    const { return BValue() == 1; }