# 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 $s0 $r0
iand $m0 $s1 $r1
iand $m0 $s2 $r2
iand $m0 $s3 $r3

iand $m1 $s0 $r4
iand $m1 $s1 $r5
iand $m1 $s2 $r6
iand $m1 $s3 $r7

ilsl $r0 $s5 $r8 # <<24
ilsl $r1 $s4 $r9 # <<8
uilsr $r2 $s4 $r10 # >>8
uilsr $r3 $s5 $r11 # >>24

ilsl $r4 $s5 $r12 # <<24
ilsl $r5 $s4 $r13 # <<8
uilsr $r6 $s4 $r14 # >>8
uilsr $r7 $s5 $r15 # >>24

nop
nop
ipassa $r[10,11,14,15] $s[10,11,14,15]
nop
nop
ior $r[8,9,12,13] $s[10,11,14,15] $r[16,17,18,19]
nop
nop
ipassa $r[16,17,18,19] $s[16,17,18,19]
nop
nop
ior $r[16,18,0,0] $s[17,19,0,0] $r[22,23,24,25]
nop
nop
ipassa $r[22,23,0,0] $n[1,0,2,3]