[src/trunk]: src/sys/arch/sparc64/sparc64 Rearrange register usage in pseg_se...

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

details:   https://anonhg.NetBSD.org/src/rev/14162a1a3da1
branches:  trunk
changeset: 542578:14162a1a3da1
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Feb 01 22:43:04 2003 +0000

description:
Rearrange register usage in pseg_set a bit and shave off %g4.

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)

diffs (59 lines):

diff -r d4ed8081babf -r 14162a1a3da1 sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Sat Feb 01 21:38:09 2003 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Sat Feb 01 22:43:04 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.167 2003/02/01 09:31:23 martin Exp $      */
+/*     $NetBSD: locore.s,v 1.168 2003/02/01 22:43:04 martin Exp $      */
 
 /*
  * Copyright (c) 1996-2002 Eduardo Horvath
@@ -8844,9 +8844,9 @@
        sll     %o5, 3, %o5
        add     %o4, %o5, %o4
 0:
-       DLFLUSH(%o4,%g6)
+       DLFLUSH(%o4,%g5)
        ldxa    [%o4] ASI_PHYS_CACHED, %o5              ! Load page directory pointer
-       DLFLUSH2(%g6)
+       DLFLUSH2(%g5)
 
        brnz,a,pt %o5, 0f                               ! Null pointer?
         mov    %o5, %o4
@@ -8864,9 +8864,9 @@
        sll     %o5, 3, %o5
        add     %o4, %o5, %o4
 0:
-       DLFLUSH(%o4,%g6)
+       DLFLUSH(%o4,%g5)
        ldxa    [%o4] ASI_PHYS_CACHED, %o5              ! Load table directory pointer
-       DLFLUSH2(%g6)
+       DLFLUSH2(%g5)
 
        brnz,a,pt %o5, 0f                               ! Null pointer?
         mov    %o5, %o4
@@ -8883,20 +8883,20 @@
        sll     %o5, 3, %o5
        add     %o5, %o4, %o4
 
-       DLFLUSH(%o4,%g6)
-       ldxa    [%o4] ASI_PHYS_CACHED, %g4              ! save old value in %g4
+       DLFLUSH(%o4,%g5)
+       ldxa    [%o4] ASI_PHYS_CACHED, %o5              ! save old value in %o5
        stxa    %o2, [%o4] ASI_PHYS_CACHED              ! Easier than shift+or
-       DLFLUSH2(%g6)
+       DLFLUSH2(%g5)
 
        !! at this point we have:
        !!  %g1 = return value
        !!  %o0 = struct pmap * (where the counts are)
        !!  %o2 = new TTE
-       !!  %g4 = old TTE
+       !!  %o5 = old TTE
 
        !! see if stats needs an update
        set     A_TLB_TSB_LOCK, %g5
-       xor     %o2, %g4, %o3                   ! %o3 - what changed
+       xor     %o2, %o5, %o3                   ! %o3 - what changed
 
        brgez,pn %o3, 5f                        ! has resident changed? (we predict it has)
         btst   %g5, %o3                        ! has wired changed?