[ros-diffs] [fireball] 37542: Dmitry Gorbachev - SETxx instructions require 8-bit operand, but "r" constraint is used. Use "q" instead ("r" means any general register, including esi and edi, which are not suitable as an operand of setnz.) See issue #3772 for more details.

Author: fireball
Date: Sat Nov 22 02:26:53 2008
New Revision: 37542

URL: http://svn.reactos.org/svn/reactos?rev=37542&view=rev
Log:
Dmitry Gorbachev
- SETxx instructions require 8-bit operand, but "r" constraint is used. Use
"q" instead ("r" means any general register, including esi and edi,
which are not suitable as an operand of setnz.)
See issue #3772 for more details.

Modified:
    trunk/reactos/include/psdk/winnt.h

Modified: trunk/reactos/include/psdk/winnt.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/psdk/winnt.h?rev=3…
==============================================================================
--- trunk/reactos/include/psdk/winnt.h [iso-8859-1] (original)
+++ trunk/reactos/include/psdk/winnt.h [iso-8859-1] Sat Nov 22 02:26:53 2008
@@ -4812,7 +4812,7 @@
 #if defined(_M_IX86)
 	__asm__ __volatile__("bsrl %2,%0\n\t"
 	                     "setnz %1\n\t"
-	                     :"=&r" (*Index), "=r" (BitPosition)
+	                     :"=&r" (*Index), "=q" (BitPosition)
 	                     :"rm" (Mask)
 	                     :"memory");
 	return BitPosition;