diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-10-29 03:03:39 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-10-29 03:03:39 +0000 |
| commit | 9fba6fcec31ebb3eddd97af189989ed93fbb62d0 (patch) | |
| tree | c7125a6142afcfa34ff403a9ed32481089f7b77a /sys | |
| parent | a26041a9691e8f9d6c52bdf146b8a6b008da73cb (diff) | |
no need to restore shadowed reg, shaves 10% from runtime for tlb handler on pcxl, more on pcxs/pcxt due to conditional pte ref update; tested on pcxt,pcxl by me on pcxs by miod
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/hppa/hppa/locore.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/arch/hppa/hppa/locore.S b/sys/arch/hppa/hppa/locore.S index 5cefae5686b..868be4da592 100644 --- a/sys/arch/hppa/hppa/locore.S +++ b/sys/arch/hppa/hppa/locore.S @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.S,v 1.94 2002/10/25 22:02:19 mickey Exp $ */ +/* $OpenBSD: locore.S,v 1.95 2002/10/29 03:03:38 mickey Exp $ */ /* * Copyright (c) 1998-2002 Michael Shalayeff @@ -1252,8 +1252,9 @@ EXIT(TLABEL(emu)) ldwax,s r16(r24), r17 /* va -> pa:prot */ ! \ sh2addl r16, r24, r25 ! \ combt,=,n r0, r17, TLABEL(all) ! \ + copy r17, r16 ! \ depi (bits), 21+bits, 1+bits, r17 ! \ - mfctl tr7, r1 ! \ + sub,= r16, r17, r0 /* do not store if unchanged */ ! \ stwas r17, 0(r25) /* store back w/ the bits */ ! \ shd r17, r0, 13, r25 ! \ dep r8, 30, 15, r25 /* mix0r the pid from the sid */! \ @@ -1343,7 +1344,6 @@ $dtlbna_t combt,=,n r0, r17, TLABEL(all) ! \ copy r17, r16 ! \ depi (bits), 21+bits, 1+bits, r17 ! \ - mfctl tr7, r1 ! \ sub,= r16, r17, r0 /* do not store if unchanged */ ! \ stws r17, 0(r25) /* store back w/ the bits */ ! \ shd r17, r0, 13, r25 ! \ |