From d4fb1c786dd502cee6135e0debd29a12f7746520 Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@gnu.org>
Date: Tue, 12 Aug 2008 14:03:34 +0000
Subject: 2006-03-04  Samuel Thibault  <samuel.thibault@ens-lyon.org>

	* sysdeps/ia32/machine-sp.h (thread_stack_pointer):
	Optimize esp read.
---
 sysdeps/ia32/machine-sp.h | 3 +--
 1 file changed, 1 insertion(+), 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__;								      \
 })
 
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