about summary refs log tree commit diff
path: root/nptl
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2002-12-03 20:21:08 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-03 20:21:08 +0000
commit20b839bf125885ade1197d690b4b06cd0f32073b (patch)
treeecc3f0d0c94d3c7f228e886a8d2961aba193df88 /nptl
parente4044c017800a9fd0f17f20ec464bc926035e7a3 (diff)
downloadglibc-20b839bf125885ade1197d690b4b06cd0f32073b.tar.gz
glibc-20b839bf125885ade1197d690b4b06cd0f32073b.tar.xz
glibc-20b839bf125885ade1197d690b4b06cd0f32073b.zip
Define HAVE_CMOV and include i486 version.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/sysdeps/i386/i486/pthread_spin_trylock.S48
-rw-r--r--nptl/sysdeps/i386/i586/pthread_spin_trylock.S20
-rw-r--r--nptl/sysdeps/i386/i686/pthread_spin_trylock.S25
3 files changed, 70 insertions, 23 deletions
diff --git a/nptl/sysdeps/i386/i486/pthread_spin_trylock.S b/nptl/sysdeps/i386/i486/pthread_spin_trylock.S
new file mode 100644
index 0000000000..abda929c81
--- /dev/null
+++ b/nptl/sysdeps/i386/i486/pthread_spin_trylock.S
@@ -0,0 +1,48 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#define EBUSY	16
+
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
+	.globl	pthread_spin_trylock
+	.type	pthread_spin_trylock,@function
+	.align	16
+pthread_spin_trylock:
+	movl	4(%esp), %edx
+	movl	$1, %eax
+	xorl	%ecx, %ecx
+	LOCK
+	cmpxchgl %ecx, (%edx)
+	movl	$EBUSY, %edx
+	movl	%ecx, %eax
+#ifdef HAVE_CMOV
+	cmovnel	%edx, %eax
+#else
+	je	0f
+	movl	%edx, %eax
+0:
+#endif
+	ret
+	.size	pthread_spin_trylock,.-pthread_spin_trylock
diff --git a/nptl/sysdeps/i386/i586/pthread_spin_trylock.S b/nptl/sysdeps/i386/i586/pthread_spin_trylock.S
new file mode 100644
index 0000000000..ffe3d456b4
--- /dev/null
+++ b/nptl/sysdeps/i386/i586/pthread_spin_trylock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "../i486/pthread_spin_trylock.S"
diff --git a/nptl/sysdeps/i386/i686/pthread_spin_trylock.S b/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
index 2ab83e6969..a5d861f92d 100644
--- a/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
+++ b/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
@@ -17,26 +17,5 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#define EBUSY	16
-
-
-#ifdef UP
-# define LOCK
-#else
-# define LOCK lock
-#endif
-
-	.globl	pthread_spin_trylock
-	.type	pthread_spin_trylock,@function
-	.align	16
-pthread_spin_trylock:
-	movl	4(%esp), %edx
-	movl	$1, %eax
-	xorl	%ecx, %ecx
-	LOCK
-	cmpxchgl %ecx, (%edx)
-	movl	$EBUSY, %edx
-	movl	%ecx, %eax
-	cmovne	%edx, %eax
-	ret
-	.size	pthread_spin_trylock,.-pthread_spin_trylock
+#define HAVE_CMOV	1
+#include "../i486/pthread_spin_trylock.S"