From 6b02c31649817adc027437b8e6e8900e1175a80b Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Sat, 23 Jan 1993 23:03:57 +0000
Subject: [PATCH] Comment fix.

From-SVN: r3311
---
 gcc/rtlanal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 2677ee2ccce..658f57f6803 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -805,6 +805,8 @@ reg_set_last (x, insn)
 
      If we find a set of X, ensure that its SET_SRC remains unchanged.  */
 
+  /* We compare with <= here, because reg_set_last_last_regno
+     is actually the number of the first reg *not* in X.  */
   for (;
        insn && GET_CODE (insn) != CODE_LABEL
        && ! (GET_CODE (insn) == CALL_INSN
-- 
2.30.2