diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2007-03-03 23:57:37 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2007-03-03 23:57:37 +0000 |
| commit | 3b7f26ed578b0550accc53658bff7f7e6b8bd35d (patch) | |
| tree | 9dd78bd26b6633e2fd2ca01a2cc46049323234bb /sysdeps | |
| parent | b84dccc8e92cf6de249bcc5ae1c40af82ad233ec (diff) | |
2006-03-04 Samuel Thibault <samuel.thibault@ens-lyon.org>
* libpthread/sysdeps/i386/machine-sp.h (thread_stack_pointer):
Optimize esp read.
* libpthread/i386/cthreads.h (cthread_sp): Likewise.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/i386/machine-sp.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sysdeps/i386/machine-sp.h b/sysdeps/i386/machine-sp.h index 536f6902..945a36b8 100644 --- a/sysdeps/i386/machine-sp.h +++ b/sysdeps/i386/machine-sp.h @@ -23,8 +23,7 @@ /* Return the current stack pointer. */ #define __thread_stack_pointer() ({ \ - void *__sp__; \ - __asm__ ("movl %%esp, %0" : "=r" (__sp__)); \ + register void *__sp__ asm("esp"); \ __sp__; \ }) |