[src/trunk]: src/sys/arch/powerpc/oea Stop false uninitialized variable warning.

[dyoung <dyoung%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f854ad859b2b
branches:  trunk
changeset: 554408:f854ad859b2b
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Mon Oct 27 23:08:12 2003 +0000

description:
Stop false uninitialized variable warning.

diffstat:

 sys/arch/powerpc/oea/pmap.c |  11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diffs (46 lines):

diff -r 63cc7af71caa -r f854ad859b2b sys/arch/powerpc/oea/pmap.c
--- a/sys/arch/powerpc/oea/pmap.c       Mon Oct 27 23:06:15 2003 +0000
+++ b/sys/arch/powerpc/oea/pmap.c       Mon Oct 27 23:08:12 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.14 2003/08/24 17:52:35 chs Exp $    */
+/*     $NetBSD: pmap.c,v 1.15 2003/10/27 23:08:12 dyoung Exp $ */
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.14 2003/08/24 17:52:35 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.15 2003/10/27 23:08:12 dyoung Exp $");
 
 #include "opt_altivec.h"
 #include "opt_pmap.h"
@@ -769,7 +769,8 @@
 {
        struct pvo_entry *source_pvo, *victim_pvo, *next_pvo;
        struct pvo_entry *pvo;
-       struct pvo_tqhead *pvoh, *vpvoh;
+       /* XXX: gcc -- vpvoh is always set at either *1* or *2* */
+       struct pvo_tqhead *pvoh, *vpvoh = NULL;
        int ptegidx, i, j;
        volatile struct pteg *pteg;
        volatile struct pte *pt;
@@ -863,7 +864,7 @@
                 */
                if ((pt->pte_hi & PTE_HID) == 0 && victim_pvo == NULL &&
                    pmap_pte_compare(pt, &pvo->pvo_pte)) {
-                       vpvoh = pvoh;
+                       vpvoh = pvoh;                   /* *1* */
                        victim_pvo = pvo;
                        if (source_pvo != NULL)
                                break;
@@ -884,7 +885,7 @@
                 * If this is a secondary PTE, we need to search
                 * its primary pvo bucket for the matching PVO.
                 */
-               vpvoh = &pmap_pvo_table[ptegidx ^ pmap_pteg_mask];
+               vpvoh = &pmap_pvo_table[ptegidx ^ pmap_pteg_mask]; /* *2* */
                TAILQ_FOREACH(pvo, vpvoh, pvo_olink) {
                        PMAP_PVO_CHECK(pvo);            /* sanity check */