[src/trunk]: src/sys/arch/vax/include GCC 2.96 wants the = constraint first. ...

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

details:   https://anonhg.NetBSD.org/src/rev/93633d7a4b83
branches:  trunk
changeset: 494093:93633d7a4b83
user:      matt <matt%NetBSD.org@localhost>
date:      Sat Jul 01 06:41:06 2000 +0000

description:
GCC 2.96 wants the = constraint first.  Also change to be a bit more
efficient.  Instead of using indirect register access, change the
constraint to memory and use the value directly.  This allow PC-rel
access among other things.

diffstat:

 sys/arch/vax/include/lock.h |  14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diffs (37 lines):

diff -r 508c09dc22d0 -r 93633d7a4b83 sys/arch/vax/include/lock.h
--- a/sys/arch/vax/include/lock.h       Sat Jul 01 06:38:53 2000 +0000
+++ b/sys/arch/vax/include/lock.h       Sat Jul 01 06:41:06 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lock.h,v 1.4 2000/05/02 04:41:11 thorpej Exp $ */
+/*     $NetBSD: lock.h,v 1.5 2000/07/01 06:41:06 matt Exp $    */
 
 /*
  * Copyright (c) 2000 Ludd, University of Lule}, Sweden.
@@ -47,9 +47,9 @@
 static __inline void
 __cpu_simple_lock(__cpu_simple_lock_t *alp)
 {
-       __asm__ __volatile ("1:;bbssi $0, (%0), 1b"
+       __asm__ __volatile ("1:;bbssi $0, %0, 1b"
                : /* No output */
-               : "r"(alp));
+               : "m"(*alp));
 }
 
 static __inline void
@@ -61,11 +61,11 @@
 static __inline int
 __cpu_simple_lock_try(__cpu_simple_lock_t *alp)
 {
-       register int ret;
+       int ret;
 
-       __asm__ __volatile ("movl $0,%0;bbssi $0,(%1),1f;incl %0;1:"
-               : "&=r"(ret)
-               : "r"(alp));
+       __asm__ __volatile ("movl $0,%0;bbssi $0,%1,1f;incl %0;1:"
+               : "=&r"(ret)
+               : "m"(*alp));
 
        return ret;
 }