diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7164a2989a66..beb4285b5365 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-08-03  Yossi Markovich <yossim@il.ibm.com>
+            Mostafa Hagog <mustafa@il.ibm.com>
+
+        * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
+
 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
 
 	* dwarf2out.c (output_call_frame_info): Don't change data format
diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index eee0d179321a..6d127b4e2044 100644
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -610,9 +610,9 @@
 ;; Fused multiply subtract 
 (define_insn "altivec_vnmsubfp"
   [(set (match_operand:V4SF 0 "register_operand" "=v")
-	(minus:V4SF (mult:V4SF (match_operand:V4SF 1 "register_operand" "v")
+	(neg:V4SF (minus:V4SF (mult:V4SF (match_operand:V4SF 1 "register_operand" "v")
 			       (match_operand:V4SF 2 "register_operand" "v"))
-	  	    (match_operand:V4SF 3 "register_operand" "v")))]
+	  	    (match_operand:V4SF 3 "register_operand" "v"))))]
   "TARGET_ALTIVEC"
   "vnmsubfp %0,%1,%2,%3"
   [(set_attr "type" "vecfloat")])