tree-core.h: Fix comment to not assume pointers are multiples of bytes.

* tree-core.h: Fix comment to not assume pointers are multiples of
bytes.
* c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are
multiples of bytes.

From-SVN: r216296

gcc/ChangeLog

+2014-10-16  DJ Delorie  <dj@redhat.com>
+
+	* tree-core.h: Fix comment to not assume pointers are multiples of
+	bytes.
+
 2014-10-15  Tom Tromey  <tromey@redhat.com>
 
 	* timevar.h (class auto_timevar): New class.

gcc/c-family/ChangeLog

+2014-10-16  DJ Delorie  <dj@redhat.com>
+
+	* c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are
+	multiples of bytes.
+
 2014-10-14  Jason Merrill  <jason@redhat.com>
 
 	PR c++/63455

gcc/c-family/c-cppbuiltin.c

@@ -671,7 +671,7 @@ cpp_atomic_builtins (cpp_reader *pfile)
 
   /* ptr_type_node can't be used here since ptr_mode is only set when
      toplev calls backend_init which is not done with -E  or pch.  */
-  psize = POINTER_SIZE / BITS_PER_UNIT;
+  psize = POINTER_SIZE_UNITS;
   if (psize >= SWAP_LIMIT)
     psize = 0;
   builtin_define_with_int_value ("__GCC_ATOMIC_POINTER_LOCK_FREE", 

gcc/tree-core.h

@@ -1173,7 +1173,7 @@ enum omp_clause_map_kind
   OMP_CLAUSE_MAP_TOFROM,
   /* The following kind is an internal only map kind, used for pointer based
      array sections.  OMP_CLAUSE_SIZE for these is not the pointer size,
-     which is implicitly POINTER_SIZE / BITS_PER_UNIT, but the bias.  */
+     which is implicitly POINTER_SIZE_UNITS, but the bias.  */
   OMP_CLAUSE_MAP_POINTER,
   /* Also internal, behaves like OMP_CLAUS_MAP_TO, but additionally any
      OMP_CLAUSE_MAP_POINTER records consecutive after it which have addresses