Ken Thomases : ntoskrnl.exe: Fix SIB_INDEX() to use REX_X, not REX_R.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f8220cbe93b1c0f86ef1091be2ef7e23e9a4337d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f8220cbe93b1c0f86ef1091be2...

Author: Ken Thomases <ken(a)codeweavers.com>
Date:   Tue Apr 12 01:19:19 2016 -0500

ntoskrnl.exe: Fix SIB_INDEX() to use REX_X, not REX_R.

Signed-off-by: Ken Thomases <ken(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/ntoskrnl.exe/instr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntoskrnl.exe/instr.c b/dlls/ntoskrnl.exe/instr.c
index 85b872e..48f16f2 100644
--- a/dlls/ntoskrnl.exe/instr.c
+++ b/dlls/ntoskrnl.exe/instr.c
@@ -492,7 +492,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(int);
 #define REGMODRM_RM( regmodrm, rex )    (((regmodrm) & 7) | (((rex) & REX_B) ? 8 : 0))
 
 #define SIB_SS( sib, rex )      ((sib) >> 6)
-#define SIB_INDEX( sib, rex )   (((sib) >> 3) & 7) | (((rex) & REX_R) ? 8 : 0)
+#define SIB_INDEX( sib, rex )   (((sib) >> 3) & 7) | (((rex) & REX_X) ? 8 : 0)
 #define SIB_BASE( sib, rex )    (((sib) & 7) | (((rex) & REX_B) ? 8 : 0))
 
 /* keep in sync with dlls/ntdll/thread.c:thread_init */