diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/sh64/pt-machine.c')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/sh64/pt-machine.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/libpthread/linuxthreads/sysdeps/sh64/pt-machine.c b/libpthread/linuxthreads/sysdeps/sh64/pt-machine.c deleted file mode 100644 index 1c187c85c..000000000 --- a/libpthread/linuxthreads/sysdeps/sh64/pt-machine.c +++ /dev/null @@ -1,46 +0,0 @@ -/* Cloned for uClibc by Paul Mundt, December 2003 */ -/* Modified by SuperH, Inc. September 2003 */ - -/* Machine-dependent pthreads configuration and inline functions. - SH5 version. - Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Niibe Yutaka <gniibe@m17n.org>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - see <http://www.gnu.org/licenses/>. */ - -#include "pt-machine.h" - -/* Spinlock implementation; required. */ - -/* The SH5 does not have a suitable test-and-set instruction (SWAP only - operates on an aligned quad word). So we use the SH4 version instead. - This must be seperately compiled in SHcompact mode, so it cannot be - inline. */ - -long int testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__( - "tas.b @%1\n\t" - "movt %0" - : "=r" (ret) - : "r" (spinlock) - : "memory", "cc"); - - return (ret == 0); -} - |