From f6b99490d314856fe56d145096fcca5768836a99 Mon Sep 17 00:00:00 2001
From: Jens-Heiner Rechtien
Date: Thu, 15 Mar 2001 13:22:35 +0000
Subject: POWERPC: use fixed register
---
sal/osl/unx/interlck.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
(limited to 'sal/osl')
diff --git a/sal/osl/unx/interlck.c b/sal/osl/unx/interlck.c
index 4a41c3224..cdb0298bc 100644
--- a/sal/osl/unx/interlck.c
+++ b/sal/osl/unx/interlck.c
@@ -2,9 +2,9 @@
*
* $RCSfile: interlck.c,v $
*
- * $Revision: 1.5 $
+ * $Revision: 1.6 $
*
- * last change: $Author: hr $ $Date: 2001-03-13 19:01:54 $
+ * last change: $Author: hr $ $Date: 2001-03-15 14:22:35 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
@@ -109,32 +109,34 @@ oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount*
/*****************************************************************************/
oslInterlockedCount SAL_CALL osl_incrementInterlockedCount(oslInterlockedCount* pCount)
{
- oslInterlockedCount nCount;
+ /* "addi" doesn't work with r0 as second parameter */
+ register oslInterlockedCount nCount __asm__ ("r4");
__asm__ __volatile__ (
"1: lwarx %0,0,%2\n\t"
- " addic %0,%0,1\n\t"
+ " addi %0,%0,1\n\t"
" stwcx. %0,0,%2\n\t"
" bne- 1b"
: "=r" (nCount), "=m" (*pCount)
: "r" (pCount)
- : "cc", "memory");
+ : "r4", "memory");
return nCount;
}
oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount* pCount)
{
- oslInterlockedCount nCount;
+ /* "subi" doesn't work with r0 as second parameter */
+ register oslInterlockedCount nCount __asm__ ("r4");
__asm__ __volatile__ (
"1: lwarx %0,0,%2\n\t"
- " subic %0,%0,1\n\t"
+ " subi %0,%0,1\n\t"
" stwcx. %0,0,%2\n\t"
" bne- 1b"
: "=r" (nCount), "=m" (*pCount)
: "r" (pCount)
- : "cc", "memory");
+ : "r4", "memory");
return nCount;
}
--
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