Module Name: src
Committed By: martin
Date: Wed Jan 29 13:06:36 UTC 2014
Modified Files:
src/common/lib/libc/arch/sparc/atomic: Makefile.inc atomic_cas_up.S
Log Message:
Provide _atomic_cas_{16,8}_up
To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/common/lib/libc/arch/sparc/atomic/Makefile.inc
cvs rdiff -u -r1.1 -r1.2 \
src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/common/lib/libc/arch/sparc/atomic/Makefile.inc
diff -u src/common/lib/libc/arch/sparc/atomic/Makefile.inc:1.15 src/common/lib/libc/arch/sparc/atomic/Makefile.inc:1.16
--- src/common/lib/libc/arch/sparc/atomic/Makefile.inc:1.15 Wed Nov 28 21:39:59 2012
+++ src/common/lib/libc/arch/sparc/atomic/Makefile.inc Wed Jan 29 13:06:36 2014
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.inc,v 1.15 2012/11/28 21:39:59 martin Exp $
+# $NetBSD: Makefile.inc,v 1.16 2014/01/29 13:06:36 martin Exp $
.include <bsd.own.mk>
@@ -29,7 +29,8 @@ SRCS+= atomic_cas.S
. endif
. if (${LIB} == "c" || ${LIB} == "pthread")
-CPPFLAGS+= -D__HAVE_ASM_ATOMIC_CAS_UP
+CPPFLAGS+= -D__HAVE_ASM_ATOMIC_CAS_UP -D__HAVE_ASM_ATOMIC_CAS_16_UP \
+ -D__HAVE_ASM_ATOMIC_CAS_8_UP
SRCS+= atomic_init_testset.c atomic_cas_up.S
. endif
Index: src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S
diff -u src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S:1.1 src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S:1.2
--- src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S:1.1 Wed Nov 28 21:39:59 2012
+++ src/common/lib/libc/arch/sparc/atomic/atomic_cas_up.S Wed Jan 29 13:06:36 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic_cas_up.S,v 1.1 2012/11/28 21:39:59 martin Exp $ */
+/* $NetBSD: atomic_cas_up.S,v 1.2 2014/01/29 13:06:36 martin Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -43,3 +43,27 @@ RAS_END_ASM_HIDDEN(_atomic_cas)
retl
mov %o3, %o0 ! return old value
+ENTRY(_atomic_cas_16_up)
+ .hidden _C_LABEL(_atomic_cas_16_up)
+RAS_START_ASM_HIDDEN(_atomic_cas_16)
+ lduh [%o0], %o3 ! get old value
+ cmp %o1, %o3 ! old == new?
+ beq,a 1f ! yes, do the store
+ sth %o2, [%o0] ! (in the delay slot)
+RAS_END_ASM_HIDDEN(_atomic_cas_16)
+1:
+ retl
+ mov %o3, %o0 ! return old value
+
+ENTRY(_atomic_cas_8_up)
+ .hidden _C_LABEL(_atomic_cas_8_up)
+RAS_START_ASM_HIDDEN(_atomic_cas_8)
+ ldub [%o0], %o3 ! get old value
+ cmp %o1, %o3 ! old == new?
+ beq,a 1f ! yes, do the store
+ stb %o2, [%o0] ! (in the delay slot)
+RAS_END_ASM_HIDDEN(_atomic_cas_8)
+1:
+ retl
+ mov %o3, %o0 ! return old value
+
