muh $2,$3,$4 # CHECK: muh $2, $3, $4 # encoding: [0x00,0x64,0x10,0xd8]
mulu $2,$3,$4 # CHECK: mulu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x99]
muhu $2,$3,$4 # CHECK: muhu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xd9]
+ sel.d $f0,$f1,$f2 # CHECK: sel.d $f0, $f1, $f2 # encoding: [0x46,0x22,0x08,0x10]
+ sel.s $f0,$f1,$f2 # CHECK: sel.s $f0, $f1, $f2 # encoding: [0x46,0x02,0x08,0x10]