55 instructions

store_src_rg                   coords = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
splat_4_constants              a = 0
splat_4_constants              b = 0
splat_4_constants              c = 0
splat_4_constants              d = 0
copy_4_uniforms                b = colorRed
copy_4_uniforms                c = colorGreen
copy_4_uniforms                x = colorBlack
copy_4_slots_unmasked          d = x
label                          label 0
copy_4_uniforms                a = colorWhite
copy_4_slots_unmasked          $0..3 = a
copy_4_slots_unmasked          $4..7 = a
mul_4_floats                   $0..3 *= $4..7
copy_4_slots_unmasked          a = $0..3
copy_4_slots_unmasked          $0..3 = b
copy_4_slots_unmasked          $4..7 = b
mul_4_floats                   $0..3 *= $4..7
copy_4_slots_unmasked          b = $0..3
copy_4_slots_unmasked          $0..3 = c
copy_4_slots_unmasked          $4..7 = c
mul_4_floats                   $0..3 *= $4..7
copy_4_slots_unmasked          c = $0..3
copy_4_slots_unmasked          $0..3 = d
copy_4_slots_unmasked          $4..7 = d
mul_4_floats                   $0..3 *= $4..7
copy_4_slots_unmasked          d = $0..3
copy_4_slots_unmasked          $0..3 = a
copy_4_uniforms                $4..7 = colorWhite
cmpeq_4_floats                 $0..3 = equal($0..3, $4..7)
bitwise_and_2_ints             $0..1 &= $2..3
bitwise_and_int                $0 &= $1
copy_4_slots_unmasked          $1..4 = b
copy_4_uniforms                $5..8 = colorRed
cmpeq_4_floats                 $1..4 = equal($1..4, $5..8)
bitwise_and_2_ints             $1..2 &= $3..4
bitwise_and_int                $1 &= $2
bitwise_and_int                $0 &= $1
copy_4_slots_unmasked          $1..4 = c
copy_4_uniforms                $5..8 = colorGreen
cmpeq_4_floats                 $1..4 = equal($1..4, $5..8)
bitwise_and_2_ints             $1..2 &= $3..4
bitwise_and_int                $1 &= $2
bitwise_and_int                $0 &= $1
copy_4_slots_unmasked          $1..4 = d
copy_4_uniforms                $5..8 = colorBlack
cmpeq_4_floats                 $1..4 = equal($1..4, $5..8)
bitwise_and_2_ints             $1..2 &= $3..4
bitwise_and_int                $1 &= $2
bitwise_and_int                $0 &= $1
swizzle_4                      $0..3 = ($0..3).xxxx
copy_4_uniforms                $4..7 = colorRed
copy_4_uniforms                $8..11 = colorGreen
mix_4_ints                     $0..3 = mix($4..7, $8..11, $0..3)
load_src                       src.rgba = $0..3