diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 47a00dcf14e..79cf1bfb9b7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
+
+	* config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
+	to Altivec vetors.
+
 2004-09-01  Wu Yongwei  <adah@sh163.net>
 	    Danny Smith  <dannysmith@users.sourceforge.net>
 
diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index b2b8e28e375..1e92d5fe2bf 100644
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -349,7 +349,8 @@ do {									\
     || TREE_CODE (STRUCT) == QUAL_UNION_TYPE)				\
    && TARGET_ALIGN_NATURAL == 0                         		\
    ? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED)	\
-   : (TARGET_ALTIVEC && TREE_CODE (STRUCT) == VECTOR_TYPE) 		\
+   : (TREE_CODE (STRUCT) == VECTOR_TYPE					\
+      && ALTIVEC_VECTOR_MODE (TYPE_MODE (STRUCT))) 			\
    ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128)          			 \
    : MAX ((COMPUTED), (SPECIFIED)))