From: Matthias Braun <matze@braunis.de>
Date: Mon, 6 Aug 2007 22:39:28 +0000 (+0000)
Subject: added comment
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=e50bd046a37b8ce3d04edf02fc9b5ae593363fad;p=libfirm

added comment

[r15485]
---

diff --git a/ir/be/test/fehler62.c b/ir/be/test/fehler62.c
index 76e32ac80..479511b0a 100644
--- a/ir/be/test/fehler62.c
+++ b/ir/be/test/fehler62.c
@@ -65,8 +65,11 @@ static rtx* t(rtx *loc, rtx insn) {
 			return &XEXP(x, 0);
 		}
 		split = t(&XEXP(x, 0), insn);
-		if(split)
+		if(split) {
+			/* in r15484 (and probably earlier) tail-recursion produces a jump
+			   to the beginning here */
 			return split;
+		}
 		return loc;
 	}