Mirror i386 change on sparc: 'Avoid "anonymous" code in pthread_spin_lock'

nptl/

	* sysdeps/sparc/sparc64/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_unlock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_unlock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_init.c: New.
	* sysdeps/sparc/sparc32/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc32/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc32/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc32/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_init.c: New.

4 files changed, 35 insertions, 49 deletions

diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_init.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_init.c
new file mode 100644
index 0000000000..58319ab62d
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_init.c
@@ -0,0 +1 @@
+/* pthread_spin_init is in pthread_spin_unlock.S */
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S
index cda16f91ca..5e7b0fade9 100644
--- a/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S
@@ -1,7 +1,5 @@
-/* pthread_spin_unlock -- unlock a spin lock.  Generic version.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -17,13 +15,17 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include "pthreadP.h"
-#include <atomic.h>
+#include <sysdep.h>
 
-int
-pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-  __asm __volatile ("membar #StoreStore | #LoadStore");
-  *lock = 0;
-  return 0;
-}
+	.text
+ENTRY(pthread_spin_lock)
+	ldstub		[%o0], %g1
+	brnz,pn		%g1, 2f
+	 membar		#StoreLoad | #StoreStore
+1:	retl
+	 mov		0, %o0
+2:	ldub		[%o0], %g1
+	brnz,pt		%g1, 2b
+	 membar		#LoadLoad
+	ba,a,pt		%xcc, 1b
+END(pthread_spin_lock)
\ No newline at end of file
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.S
index 7bbfef6ace..867b8b5024 100644
--- a/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.S
@@ -1,6 +1,5 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -16,18 +15,13 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include "pthreadP.h"
+#include <sysdep.h>
+#include <pthread-errnos.h>
 
-int
-pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-  int res;
-  __asm __volatile
-    ("ldstub [%1], %0\n"
-     "membar #StoreLoad | #StoreStore"
-     : "=r" (res)
-     : "r" (lock)
-     : "memory");
-  return res == 0 ? 0 : EBUSY;
-}
+	.text
+ENTRY(pthread_spin_trylock)
+	ldstub		[%o0], %o0
+	membar		#StoreLoad | #StoreStore
+	retl
+	 movrnz		%o0, EBUSY, %o0
+END(pthread_spin_trylock)
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.S
index e82053a534..e668c395c5 100644
--- a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.S
@@ -1,6 +1,5 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -16,23 +15,13 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include "pthreadP.h"
+#include <sysdep.h>
 
-int
-pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  __asm __volatile
-    ("1: ldstub  [%0], %%g5\n"
-     "   brnz,pn %%g5, 2f\n"
-     "    membar #StoreLoad | #StoreStore\n"
-     ".subsection 2\n"
-     "2: ldub    [%0], %%g5\n"
-     "   brnz,pt %%g5, 2b\n"
-     "    membar #LoadLoad\n"
-     "   b,a,pt  %%xcc, 1b\n"
-     ".previous"
-     : /* no outputs */
-     : "r" (lock)
-     : "g5", "memory");
-  return 0;
-}
+	.text
+ENTRY(pthread_spin_unlock)
+	membar		#StoreStore | #LoadStore
+	retl
+	 stb		%g0, [%o0]
+END(pthread_spin_unlock)
+
+strong_alias (pthread_spin_unlock, pthread_spin_init)