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

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

ntoskrnl.exe: Fix SIB_INDEX() to use REX_X, not REX_R.
f8220cbe · Ken Thomases · Alexandre Julliard · 706145c5 · f8220cbe
Commit f8220cbe authored Apr 12, 2016 by Ken Thomases Committed by Alexandre Julliard Apr 12, 2016
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instr.c dlls/ntoskrnl.exe/instr.c +1 -1

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--- 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 */