Cleanup ALIGNED_POINTER:

o add to platforms where it was missing (arm, i386, powerpc, sparc64, sun4v)
o define as "1" on amd64 and i386 where there is no restriction
o make the type returned consistent with ALIGN
o remove _ALIGNED_POINTER
o make associated comments consistent

Reviewed by:	bde, imp, marcel
Approved by:	re (kensmith)

1 files changed, 7 insertions, 1 deletions

diff --git a/sys/mips/include/param.h b/sys/mips/include/param.h
index ea599d1..250de77 100644
--- a/sys/mips/include/param.h
+++ b/sys/mips/include/param.h
@@ -84,10 +84,16 @@
  */
 #define	_ALIGNBYTES	7
 #define	_ALIGN(p)	(((u_int)(p) + _ALIGNBYTES) &~ _ALIGNBYTES)
-#define	ALIGNED_POINTER(p, t)	((((u_int32_t)(p)) & (sizeof (t) - 1)) == 0)
 
 #define	ALIGNBYTES	_ALIGNBYTES
 #define	ALIGN(p)	_ALIGN(p)
+/*
+ * ALIGNED_POINTER is a boolean macro that checks whether an address
+ * is valid to fetch data elements of type t from on this architecture.
+ * This does not reflect the optimal alignment, just the possibility
+ * (within reasonable limits). 
+ */
+#define	ALIGNED_POINTER(p, t)	((((unsigned)(p)) & (sizeof (t) - 1)) == 0)
 
 /*
  * CACHE_LINE_SIZE is the compile-time maximum cache line size for an