diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ae255c28ea0..7d3b83a12a8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-10-16  Florian Weimer  <fw@deneb.enyo.de>
+
+	* stmt.c (expand_asm_operands): Update commentary.
+
 2001-10-16  Stan Shebs  <shebs@apple.com>
 
 	* config/darwin.h (GCC_NAME): Remove, no longer used.
diff --git a/gcc/stmt.c b/gcc/stmt.c
index 1f91823bdc8..6a8f235ee54 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1458,7 +1458,9 @@ parse_output_constraint (constraint_p,
    STRING is the instruction template.
    OUTPUTS is a list of output arguments (lvalues); INPUTS a list of inputs.
    Each output or input has an expression in the TREE_VALUE and
-   a constraint-string in the TREE_PURPOSE.
+   and a tree list in TREE_PURPOSE which in turn contains a constraint
+   name in TREE_VALUE (or NULL_TREE) and a constraint string 
+   in TREE_PURPOSE.
    CLOBBERS is a list of STRING_CST nodes each naming a hard register
    that is clobbered by this insn.