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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/ia32/machine-sp.h3
2 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index f4841f8..22a03d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-04 Samuel Thibault <samuel.thibault@ens-lyon.org>
+
+ * sysdeps/ia32/machine-sp.h (thread_stack_pointer):
+ Optimize esp read.
+
2008-08-12 Neal H. Walfield <neal@gnu.org>
* sysdeps/generic/pt-startup.c (__pthread_startup): New file.
diff --git a/sysdeps/ia32/machine-sp.h b/sysdeps/ia32/machine-sp.h
index 39a8b69..cef6ab7 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__; \
})