[src/trunk]: src/sys/arch/mips/mips Fix TLB-miss. Don't overwrite t0 before ...

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

details:   https://anonhg.NetBSD.org/src/rev/52c604eb7671
branches:  trunk
changeset: 772231:52c604eb7671
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sun Dec 25 11:51:15 2011 +0000

description:
Fix TLB-miss.  Don't overwrite t0 before use.

diffstat:

 sys/arch/mips/mips/bds_emul.S |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r cdcb5b200d3a -r 52c604eb7671 sys/arch/mips/mips/bds_emul.S
--- a/sys/arch/mips/mips/bds_emul.S     Sun Dec 25 10:37:14 2011 +0000
+++ b/sys/arch/mips/mips/bds_emul.S     Sun Dec 25 11:51:15 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bds_emul.S,v 1.5 2011/08/16 06:55:11 matt Exp $        */
+/*     $NetBSD: bds_emul.S,v 1.6 2011/12/25 11:51:15 kiyohara Exp $    */
 
 /*
  * Copyright (c) 1992, 1993
@@ -441,8 +441,8 @@
        andi    t0, a0, 0x3f                    # get special code
        sll     t1, t0, 3                       # calculate index in specialop
        sll     t0, PTR_SCALESHIFT
+       PTR_L   t9, bcemul_specialtbl(t0)
        PTR_LA  t0, bcemul_special_op(t1)
-       PTR_L   t9, bcemul_specialtbl(t0)
        jr      t9
 
 bcemul_special_3op_prologue: