diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3363940a3d9..a1baa0f9384 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
 
+	* config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
+	argument is float*.
+
 	* config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
 	for vec_dss.
 
diff --git a/gcc/config/rs6000/altivec.h b/gcc/config/rs6000/altivec.h
index ddc95f07c27..b7bb1b67c95 100644
--- a/gcc/config/rs6000/altivec.h
+++ b/gcc/config/rs6000/altivec.h
@@ -1662,7 +1662,7 @@ vec_dst (const long *a1, int a2, const int a3)
 }
 
 inline void
-vec_dst (float *a1, int a2, const int a3)
+vec_dst (const float *a1, int a2, const int a3)
 {
   __builtin_altivec_dst ((void *) a1, a2, a3);
 }
@@ -1784,7 +1784,7 @@ vec_dstst (const long *a1, int a2, const int a3)
 }
 
 inline void
-vec_dstst (float *a1, int a2, const int a3)
+vec_dstst (const float *a1, int a2, const int a3)
 {
   __builtin_altivec_dstst ((void *) a1, a2, a3);
 }
@@ -1906,7 +1906,7 @@ vec_dststt (const long *a1, int a2, const int a3)
 }
 
 inline void
-vec_dststt (float *a1, int a2, const int a3)
+vec_dststt (const float *a1, int a2, const int a3)
 {
   __builtin_altivec_dststt ((void *) a1, a2, a3);
 }
@@ -2028,7 +2028,7 @@ vec_dstt (const long *a1, int a2, const int a3)
 }
 
 inline void
-vec_dstt (float *a1, int a2, const int a3)
+vec_dstt (const float *a1, int a2, const int a3)
 {
   __builtin_altivec_dstt ((void *) a1, a2, a3);
 }