decode1: Fix maddld and maddhdu to not set CR0

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

Author: paulusmack

decode1.vhdl

@@ -133,9 +133,9 @@ architecture behaviour of decode1 is
     constant decode_op_4_array : op_4_subop_array_t := (
         --                   unit fac   internal      in1         in2          in3   out   CR   CR   inv  inv  cry   cry  ldst  BR   sgn  upd  rsrv 32b  sgn  rc    lk   sgl  rpt
         --                                   op                                            in   out   A   out  in    out  len        ext                                 pipe
-        2#110000#  =>       (ALU, NONE, OP_MUL_H64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', RC,   '0', '0', NONE), -- maddhd
-        2#110001#  =>       (ALU, NONE, OP_MUL_H64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC,   '0', '0', NONE), -- maddhdu
-        2#110011#  =>       (ALU, NONE, OP_MUL_L64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', RC,   '0', '0', NONE), -- maddld
+        2#110000#  =>       (ALU, NONE, OP_MUL_H64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', NONE, '0', '0', NONE), -- maddhd
+        2#110001#  =>       (ALU, NONE, OP_MUL_H64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0', NONE), -- maddhdu
+        2#110011#  =>       (ALU, NONE, OP_MUL_L64,   RA,         RB,          RCR,  RT,   '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', NONE, '0', '0', NONE), -- maddld
         others   => decode_rom_init
         );