14 instructions

store_src_rg                   v0..1 = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
copy_4_uniforms                red = colorRed
copy_2_slots_unmasked          $0..1 = red(0..1)
copy_constant                  $2 = 0
copy_slot_unmasked             $3 = red(3)
label                          label 0
copy_4_slots_unmasked          result = $0..3
copy_3_uniforms                param(0..2) = colorGreen(0..2)
copy_constant                  param(3) = 0x3F800000 (1.0)
copy_2_slots_unmasked          $0..1 = param(0..1)
copy_constant                  $2 = 0
copy_slot_unmasked             $3 = param(3)
label                          label 0x00000001
copy_4_slots_unmasked          result = $0..3
load_src                       src.rgba = $0..3