# n = 6909045637428952499
# bin = n.to_s(2).rjust(64, '0')
# ds = bin.each_char.each_slice(8).map(&:join)
# 
# 8.times { |i| puts "[#{i}] = #{ds[i]}" }
# puts
# 8.times { |i| puts "[#{i}] = #{ds[8-i-1]}" }

imm ui"0x000000FF" $s0
imm ui"0x0000FF00" $s1
imm ui"0x00FF0000" $s2
imm ui"0xFF000000" $s3
imm i"8" $s4
imm i"24" $s5

iand $m0 $s0v $r0v
iand $m1 $s0v $r4v

nop
ilsl $r[0,1,4,5] $s[5,4,5,4] $r8v
uilsr $r[2,3,6,7] $s[4,5,4,5] $nowrite
ior $r8v $aluf $s16v $r16v
nop
ior $r[0,0,16,18] $s[0,0,17,19] $n[3,2,1,0]