emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.

	* emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.
	(set_mem_attrs_from_reg): Likewise.

From-SVN: r129818

gcc/ChangeLog

-2007-11-01  Michael Matz  <matz@suse.de
+2007-11-01  Ben Elliston  <bje@au.ibm.com>
+
+	* emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.
+	(set_mem_attrs_from_reg): Likewise.
+
+2007-11-01  Michael Matz  <matz@suse.de>
 
 	PR tree-optimization/33961
 	* tree-ssa-phiopt.c (struct name_to_bb.store): New member.

gcc/emit-rtl.c

@@ -1009,7 +1009,7 @@ gen_reg_rtx_offset (rtx reg, enum machine_mode mode, int offset)
   return new;
 }
 
-/* Set the decl for MEM to DECL.  */
+/* Set REG to the decl that MEM refers to.  */
 
 void
 set_reg_attrs_from_mem (rtx reg, rtx mem)
@@ -1796,7 +1796,7 @@ set_mem_attributes (rtx ref, tree t, int objectp)
   set_mem_attributes_minus_bitpos (ref, t, objectp, 0);
 }
 
-/* Set the decl for MEM to DECL.  */
+/* Set MEM to the decl that REG refers to.  */
 
 void
 set_mem_attrs_from_reg (rtx mem, rtx reg)