diff options
| author | Neal H. Walfield <neal@gnu.org> | 2008-08-12 14:03:34 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-04-07 23:38:59 +0200 |
| commit | d4fb1c786dd502cee6135e0debd29a12f7746520 (patch) | |
| tree | 47c38ba2786113c81e7e2f4d6de11713854dd25b /sysdeps | |
| parent | 70b389f511b78e5e52a6c1a7f699dece58d8e542 (diff) | |
2006-03-04 Samuel Thibault <samuel.thibault@ens-lyon.org>
* sysdeps/ia32/machine-sp.h (thread_stack_pointer):
Optimize esp read.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/ia32/machine-sp.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sysdeps/ia32/machine-sp.h b/sysdeps/ia32/machine-sp.h index 39a8b69a..cef6ab72 100644 --- a/sysdeps/ia32/machine-sp.h +++ b/sysdeps/ia32/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__; \ }) |