diff --git a/rtl/powerpc/sysutilp.inc b/rtl/powerpc/sysutilp.inc
index 15236c5352..3bb1059577 100644
--- a/rtl/powerpc/sysutilp.inc
+++ b/rtl/powerpc/sysutilp.inc
@@ -24,11 +24,11 @@ function InterLockedDecrement (var Target: integer) : Integer; assembler;
 { side-effect: target := target-1 }
 asm
 InterLockedDecLoop:
-        lwarx   r0,r0,r3
-        subi    r0,r0,1
-        stwcx.  r0,r0,r3
+        lwarx   r10,r10,r3
+        subi    r10,r10,1
+        stwcx.  r10,r10,r3
         bne     InterLockedDecLoop
-        mr      r3,r0
+        mr      r3,r10
 end;
 
 
@@ -38,11 +38,11 @@ function InterLockedIncrement (var Target: integer) : Integer; assembler;
 { side-effect: target := target+1 }
 asm
 InterLockedIncLoop:
-        lwarx   r0,r0,r3
-        addi    r0,r0,1
-        stwcx.  r0,r0,r3
+        lwarx   r10,r10,r3
+        addi    r10,r10,1
+        stwcx.  r10,r10,r3
         bne     InterLockedIncLoop
-        mr      r3,r0
+        mr      r3,r10
 end;
 
 
@@ -52,10 +52,10 @@ function InterLockedExchange (var Target: integer;Source : integer) : Integer; a
 { side-effect: target := source                 }
 asm
 InterLockedXchgLoop:
-        lwarx   r0,r0,r3
-        stwcx.  r4,r0,r3
+        lwarx   r10,r10,r3
+        stwcx.  r4,r10,r3
         bne     InterLockedXchgLoop
-        mr      r3,r0
+        mr      r3,r10
 end;
 
 
@@ -65,17 +65,20 @@ function InterLockedExchangeAdd (var Target: integer;Source : integer) : Integer
 { side-effect: target := target+source          }
 asm
 InterLockedXchgAddLoop:
-        lwarx   r0,r0,r3
-        add     r0,r0,r4
-        stwcx.  r0,r0,r3
+        lwarx   r10,r10,r3
+        add     r10,r10,r4
+        stwcx.  r10,r10,r3
         bne     InterLockedXchgAddLoop
-        sub     r3,r0,r4
+        sub     r3,r10,r4
 end;
 
 
 {
   $Log$
-  Revision 1.3  2003-04-24 12:13:23  florian
+  Revision 1.4  2003-08-24 20:50:11  olle
+    * changed used scratchreg from r0 to r10
+
+  Revision 1.3  2003/04/24 12:13:23  florian
     * fixed assembler errors
 
   Revision 1.2  2002/09/07 16:01:26  peter