[ppc-e500] fix dcbt and dcbtst

[Aldy Hernandez]

Booke uses the CT field.  Alan suggested I just change the mask
thusly.

Committed.

2004-02-25  Aldy Hernandez  <aldyh@redhat.com>
 
        * ppc-opc.c (powerpc_opcodes): Change mask for dcbt and	dcbtst.
 
Index: ppc-opc.c
===================================================================
RCS file: /cvs/src/src/opcodes/ppc-opc.c,v
retrieving revision 1.63
diff -u -p -r1.63 ppc-opc.c
--- ppc-opc.c	20 Feb 2004 05:10:13 -0000	1.63
+++ ppc-opc.c	26 Feb 2004 03:24:14 -0000
@@ -3476,7 +3476,7 @@ const struct powerpc_opcode powerpc_opco
 { "mtsrin",  X(31,242),	XRA_MASK,	PPC32,		{ RS, RB } },
 { "mtsri",   X(31,242),	XRA_MASK,	POWER32,	{ RS, RB } },
 
-{ "dcbtst",  X(31,246),	XRT_MASK,	PPC,		{ CT, RA, RB } },
+{ "dcbtst",  X(31,246),	X_MASK,	PPC,			{ CT, RA, RB } },
 
 { "stbux",   X(31,247),	X_MASK,		COM,		{ RS, RAS, RB } },
 
@@ -3510,7 +3510,7 @@ const struct powerpc_opcode powerpc_opco
 { "lscbx",   XRC(31,277,0), X_MASK,	M601,		{ RT, RA, RB } },
 { "lscbx.",  XRC(31,277,1), X_MASK,	M601,		{ RT, RA, RB } },
 
-{ "dcbt",    X(31,278),	XRT_MASK,	PPC,		{ CT, RA, RB } },
+{ "dcbt",    X(31,278),	X_MASK,	PPC,			{ CT, RA, RB } },
 
 { "lhzx",    X(31,279),	X_MASK,		COM,		{ RT, RA, RB } },