0x00 0x01 0x50 0x7c # CHECK: mflo $1, $ac1
0x00 0x01 0x60 0x7c # CHECK: mthi $1, $ac1
0x00 0x01 0x70 0x7c # CHECK: mtlo $1, $ac1
+0x00 0x22 0xf1 0x3c # CHECK: raddu.w.qb $1, $2
+0x00 0x20 0x86 0x7c # CHECK: rddsp $1, 2
+0x02 0x00 0x08 0x3d # CHECK: repl.ph $1, 512
+0x00 0x30 0x05 0xfc # CHECK: repl.qb $1, 128
+0x00 0x22 0x03 0x3c # CHECK: replv.ph $1, $2
+0x00 0x22 0x13 0x3c # CHECK: replv.qb $1, $2
+0x00 0x01 0x82 0x7c # CHECK: mthlip $1, $ac2