ndisasm: handle VEX.LIG

A lot of instructions ignore the L bit in the VEX prefix, just like
a lot of instructions ignore the W bit, so don't use them in the
sub-table select.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/disasm.c b/disasm.c
index 81282e61..ba282d34 100644
--- a/disasm.c
+++ b/disasm.c
@@ -1081,7 +1081,7 @@ int32_t disasm(uint8_t *data, char *output, int outbufsize, int segsize,
 		    prefix.vex_lp = prefix.vex[1] & 7;
 		}
 
-		ix = itable_vex[RV_VEX][prefix.vex_m][prefix.vex_lp];
+		ix = itable_vex[RV_VEX][prefix.vex_m][prefix.vex_lp & 3];
 	    }
 	    end_prefix = true;
 	    break;