diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2014-10-03 06:27:04 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2014-10-03 06:27:04 +0200 |
| commit | edda0488a6879c1598bee908418cba14d66f9712 (patch) | |
| tree | d77db4ac8b198b209f1ca7be8bb2add55aa49e7d /libpthread/linuxthreads/sysdeps/m68k/pt-machine.h | |
| parent | 59fe21c468d852a08847a8bcb62dea56408b510e (diff) | |
m68k: fix linuxthreads compile for coldfire
The tas instruction is not available for most coldfire CPU's.
Use bset instead in this case as already used in linuxthreads.old.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/m68k/pt-machine.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/m68k/pt-machine.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h index e2d7bdc81..1eb9fd57b 100644 --- a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h @@ -28,12 +28,18 @@ #endif /* Spinlock implementation; required. */ +PT_EI long int testandset (int *spinlock); PT_EI long int testandset (int *spinlock) { char ret; - __asm__ __volatile__("tas %1; sne %0" + __asm__ __volatile__( +#if !defined(__mcoldfire__) && !defined(__mcf5200__) && !defined(__m68000) + "tas %1; sne %0" +#else + "bset #7,%1; sne %0" +#endif : "=dm"(ret), "=m"(*spinlock) : "m"(*spinlock) : "cc"); @@ -50,6 +56,7 @@ register char * stack_pointer __asm__ ("%sp"); /* Compare-and-swap for semaphores. */ +#if !defined(__mcoldfire__) && !defined(__mcf5200__) && !defined(__mc68000) #define HAS_COMPARE_AND_SWAP PT_EI int __compare_and_swap (long int *p, long int oldval, long int newval) @@ -63,5 +70,5 @@ __compare_and_swap (long int *p, long int oldval, long int newval) return ret; } - +#endif #endif /* pt-machine.h */ |