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| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:04:02 -0600 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:04:02 -0600 |
| commit | e1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch) | |
| tree | 2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/sysdeps/arc | |
| parent | 6b6ede3d15f04fe825cfa9f697507457e3640344 (diff) | |
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/arc')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/arc/pt-machine.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/libpthread/linuxthreads/sysdeps/arc/pt-machine.h b/libpthread/linuxthreads/sysdeps/arc/pt-machine.h deleted file mode 100644 index 8df1e77e3..000000000 --- a/libpthread/linuxthreads/sysdeps/arc/pt-machine.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) - * - * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. - */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 -#include <features.h> - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -PT_EI long int -testandset (int *spinlock) -{ - unsigned int old = 1; - - /* Atomically exchange @spinlock with 1 */ - __asm__ __volatile__( - "ex %0, [%1]" - : "+r" (old) - : "r" (spinlock) - : "memory"); - - return old; - -} - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. - I don't trust register variables, so let's do this the safe way. */ -#define CURRENT_STACK_FRAME \ -__extension__ ({ char *__sp; __asm__ ("mov %0,sp" : "=r" (__sp)); __sp; }) - -#else -#error PT_MACHINE already defined -#endif /* pt-machine.h */ |