diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 991b8838c9c7..9371555a60af 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-20  Andreas Schwab  <schwab@suse.de>
+
+	PR target/24757
+	* config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
+	insn.
+
 2005-11-19  Richard Henderson  <rth@redhat.com>
 
 	PR tree-opt/24665
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index d1003b3d2537..b11583d19a70 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -2113,7 +2113,7 @@ ia64_expand_atomic_op (enum rtx_code code, rtx mem, rtx val,
 
   emit_insn (GEN_FCN (icode) (cmp_reg, mem, ar_ccv, new_reg));
 
-  emit_cmp_and_jump_insns (cmp_reg, old_reg, EQ, NULL, DImode, true, label);
+  emit_cmp_and_jump_insns (cmp_reg, old_reg, NE, NULL, DImode, true, label);
 }
 
 /* Begin the assembly file.  */