A8 over A8
15 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load8 arg(0)
  v2 = to_f32 v1
  v3 = mul_f32 v0 v2
  v4 = load8 arg(1)
  v5 = to_f32 v4
  v6 = mul_f32 v0 v5
↑ v7 = splat 3F800000 (1)
  v8 = sub_f32 v7 v3
  v9 = mad_f32 v6 v8 v3
↑ v10 = splat 437F0000 (255)
↑ v11 = splat 3F000000 (0.5)
  v12 = mad_f32 v9 v10 v11
  v13 = to_i32 v12
  store8 arg(1) v13

7 registers, 15 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat 3F800000 (1)
r2 = splat 437F0000 (255)
r3 = splat 3F000000 (0.5)
loop:
    r4 = load8 arg(0)
    r4 = to_f32 r4
    r4 = mul_f32 r0 r4
    r5 = load8 arg(1)
    r5 = to_f32 r5
    r5 = mul_f32 r0 r5
    r6 = sub_f32 r1 r4
    r4 = mad_f32 r5 r6 r4
    r4 = mad_f32 r4 r2 r3
    r4 = to_i32 r4
    store8 arg(1) r4

A8 over G8
21 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load8 arg(1)
  v2 = to_f32 v1
  v3 = mul_f32 v0 v2
  v4 = load8 arg(0)
  v5 = to_f32 v4
  v6 = mul_f32 v0 v5
↑ v7 = splat 3F800000 (1)
  v8 = sub_f32 v7 v6
  v9 = mul_f32 v3 v8
↑ v10 = splat 3E59B3D0 (0.21259999)
↑ v11 = splat 3F371759 (0.71520001)
↑ v12 = splat 3D93DD98 (0.0722)
  v13 = mul_f32 v9 v12
  v14 = mad_f32 v9 v11 v13
  v15 = mad_f32 v9 v10 v14
↑ v16 = splat 437F0000 (255)
↑ v17 = splat 3F000000 (0.5)
  v18 = mad_f32 v15 v16 v17
  v19 = to_i32 v18
  store8 arg(1) v19

9 registers, 21 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat 3F800000 (1)
r2 = splat 3E59B3D0 (0.21259999)
r3 = splat 3F371759 (0.71520001)
r4 = splat 3D93DD98 (0.0722)
r5 = splat 437F0000 (255)
r6 = splat 3F000000 (0.5)
loop:
    r7 = load8 arg(1)
    r7 = to_f32 r7
    r7 = mul_f32 r0 r7
    r8 = load8 arg(0)
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r8 = sub_f32 r1 r8
    r8 = mul_f32 r7 r8
    r7 = mul_f32 r8 r4
    r7 = mad_f32 r8 r3 r7
    r7 = mad_f32 r8 r2 r7
    r7 = mad_f32 r7 r5 r6
    r7 = to_i32 r7
    store8 arg(1) r7

A8 over RGBA_8888
38 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load32 arg(1)
↑ v2 = splat FF (3.5733111e-43)
  v3 = extract v1 0 v2
  v4 = to_f32 v3
  v5 = mul_f32 v0 v4
  v6 = load8 arg(0)
  v7 = to_f32 v6
  v8 = mul_f32 v0 v7
↑ v9 = splat 3F800000 (1)
  v10 = sub_f32 v9 v8
  v11 = mul_f32 v5 v10
↑ v12 = splat 437F0000 (255)
↑ v13 = splat 3F000000 (0.5)
  v14 = mad_f32 v11 v12 v13
  v15 = to_i32 v14
  v16 = extract v1 8 v2
  v17 = to_f32 v16
  v18 = mul_f32 v0 v17
  v19 = mul_f32 v18 v10
  v20 = mad_f32 v19 v12 v13
  v21 = to_i32 v20
  v22 = pack v15 v21 8
  v23 = extract v1 16 v2
  v24 = to_f32 v23
  v25 = mul_f32 v0 v24
  v26 = mul_f32 v25 v10
  v27 = mad_f32 v26 v12 v13
  v28 = to_i32 v27
  v29 = extract v1 24 v2
  v30 = to_f32 v29
  v31 = mul_f32 v0 v30
  v32 = mad_f32 v31 v10 v8
  v33 = mad_f32 v32 v12 v13
  v34 = to_i32 v33
  v35 = pack v28 v34 8
  v36 = pack v22 v35 16
  store32 arg(1) v36

10 registers, 38 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat FF (3.5733111e-43)
r2 = splat 3F800000 (1)
r3 = splat 437F0000 (255)
r4 = splat 3F000000 (0.5)
loop:
    r5 = load32 arg(1)
    r6 = extract r5 0 r1
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r7 = load8 arg(0)
    r7 = to_f32 r7
    r7 = mul_f32 r0 r7
    r8 = sub_f32 r2 r7
    r6 = mul_f32 r6 r8
    r6 = mad_f32 r6 r3 r4
    r6 = to_i32 r6
    r9 = extract r5 8 r1
    r9 = to_f32 r9
    r9 = mul_f32 r0 r9
    r9 = mul_f32 r9 r8
    r9 = mad_f32 r9 r3 r4
    r9 = to_i32 r9
    r9 = pack r6 r9 8
    r6 = extract r5 16 r1
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r6 = mul_f32 r6 r8
    r6 = mad_f32 r6 r3 r4
    r6 = to_i32 r6
    r5 = extract r5 24 r1
    r5 = to_f32 r5
    r5 = mul_f32 r0 r5
    r7 = mad_f32 r5 r8 r7
    r7 = mad_f32 r7 r3 r4
    r7 = to_i32 r7
    r7 = pack r6 r7 8
    r7 = pack r9 r7 16
    store32 arg(1) r7

G8 over A8
12 values:
↑ v0 = splat 3F800000 (1)
↑ v1 = splat 3B808081 (0.0039215689)
  v2 = load8 arg(1)
  v3 = to_f32 v2
  v4 = mul_f32 v1 v3
↑ v5 = sub_f32 v0 v0
  v6 = mad_f32 v4 v5 v0
↑ v7 = splat 437F0000 (255)
↑ v8 = splat 3F000000 (0.5)
  v9 = mad_f32 v6 v7 v8
  v10 = to_i32 v9
  store8 arg(1) v10

6 registers, 12 instructions:
r0 = splat 3F800000 (1)
r1 = splat 3B808081 (0.0039215689)
r2 = sub_f32 r0 r0
r3 = splat 437F0000 (255)
r4 = splat 3F000000 (0.5)
loop:
    r5 = load8 arg(1)
    r5 = to_f32 r5
    r5 = mul_f32 r1 r5
    r5 = mad_f32 r5 r2 r0
    r5 = mad_f32 r5 r3 r4
    r5 = to_i32 r5
    store8 arg(1) r5

G8 over G8
21 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load8 arg(0)
  v2 = to_f32 v1
  v3 = mul_f32 v0 v2
  v4 = load8 arg(1)
  v5 = to_f32 v4
  v6 = mul_f32 v0 v5
↟ v7 = splat 3F800000 (1)
↑ v8 = sub_f32 v7 v7
  v9 = mad_f32 v6 v8 v3
↑ v10 = splat 3E59B3D0 (0.21259999)
↑ v11 = splat 3F371759 (0.71520001)
↑ v12 = splat 3D93DD98 (0.0722)
  v13 = mul_f32 v9 v12
  v14 = mad_f32 v9 v11 v13
  v15 = mad_f32 v9 v10 v14
↑ v16 = splat 437F0000 (255)
↑ v17 = splat 3F000000 (0.5)
  v18 = mad_f32 v15 v16 v17
  v19 = to_i32 v18
  store8 arg(1) v19

9 registers, 21 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat 3F800000 (1)
r1 = sub_f32 r1 r1
r2 = splat 3E59B3D0 (0.21259999)
r3 = splat 3F371759 (0.71520001)
r4 = splat 3D93DD98 (0.0722)
r5 = splat 437F0000 (255)
r6 = splat 3F000000 (0.5)
loop:
    r7 = load8 arg(0)
    r7 = to_f32 r7
    r7 = mul_f32 r0 r7
    r8 = load8 arg(1)
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r7 = mad_f32 r8 r1 r7
    r8 = mul_f32 r7 r4
    r8 = mad_f32 r7 r3 r8
    r8 = mad_f32 r7 r2 r8
    r8 = mad_f32 r8 r5 r6
    r8 = to_i32 r8
    store8 arg(1) r8

G8 over RGBA_8888
38 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load8 arg(0)
  v2 = to_f32 v1
  v3 = mul_f32 v0 v2
  v4 = load32 arg(1)
↑ v5 = splat FF (3.5733111e-43)
  v6 = extract v4 0 v5
  v7 = to_f32 v6
  v8 = mul_f32 v0 v7
↑ v9 = splat 3F800000 (1)
↑ v10 = sub_f32 v9 v9
  v11 = mad_f32 v8 v10 v3
↑ v12 = splat 437F0000 (255)
↑ v13 = splat 3F000000 (0.5)
  v14 = mad_f32 v11 v12 v13
  v15 = to_i32 v14
  v16 = extract v4 8 v5
  v17 = to_f32 v16
  v18 = mul_f32 v0 v17
  v19 = mad_f32 v18 v10 v3
  v20 = mad_f32 v19 v12 v13
  v21 = to_i32 v20
  v22 = pack v15 v21 8
  v23 = extract v4 16 v5
  v24 = to_f32 v23
  v25 = mul_f32 v0 v24
  v26 = mad_f32 v25 v10 v3
  v27 = mad_f32 v26 v12 v13
  v28 = to_i32 v27
  v29 = extract v4 24 v5
  v30 = to_f32 v29
  v31 = mul_f32 v0 v30
  v32 = mad_f32 v31 v10 v9
  v33 = mad_f32 v32 v12 v13
  v34 = to_i32 v33
  v35 = pack v28 v34 8
  v36 = pack v22 v35 16
  store32 arg(1) v36

10 registers, 38 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat FF (3.5733111e-43)
r2 = splat 3F800000 (1)
r3 = sub_f32 r2 r2
r4 = splat 437F0000 (255)
r5 = splat 3F000000 (0.5)
loop:
    r6 = load8 arg(0)
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r7 = load32 arg(1)
    r8 = extract r7 0 r1
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r8 = mad_f32 r8 r3 r6
    r8 = mad_f32 r8 r4 r5
    r8 = to_i32 r8
    r9 = extract r7 8 r1
    r9 = to_f32 r9
    r9 = mul_f32 r0 r9
    r9 = mad_f32 r9 r3 r6
    r9 = mad_f32 r9 r4 r5
    r9 = to_i32 r9
    r9 = pack r8 r9 8
    r8 = extract r7 16 r1
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r6 = mad_f32 r8 r3 r6
    r6 = mad_f32 r6 r4 r5
    r6 = to_i32 r6
    r7 = extract r7 24 r1
    r7 = to_f32 r7
    r7 = mul_f32 r0 r7
    r7 = mad_f32 r7 r3 r2
    r7 = mad_f32 r7 r4 r5
    r7 = to_i32 r7
    r7 = pack r6 r7 8
    r7 = pack r9 r7 16
    store32 arg(1) r7

RGBA_8888 over A8
17 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load32 arg(0)
↑ v2 = splat FF (3.5733111e-43)
  v3 = extract v1 24 v2
  v4 = to_f32 v3
  v5 = mul_f32 v0 v4
  v6 = load8 arg(1)
  v7 = to_f32 v6
  v8 = mul_f32 v0 v7
↑ v9 = splat 3F800000 (1)
  v10 = sub_f32 v9 v5
  v11 = mad_f32 v8 v10 v5
↑ v12 = splat 437F0000 (255)
↑ v13 = splat 3F000000 (0.5)
  v14 = mad_f32 v11 v12 v13
  v15 = to_i32 v14
  store8 arg(1) v15

8 registers, 17 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat FF (3.5733111e-43)
r2 = splat 3F800000 (1)
r3 = splat 437F0000 (255)
r4 = splat 3F000000 (0.5)
loop:
    r5 = load32 arg(0)
    r5 = extract r5 24 r1
    r5 = to_f32 r5
    r5 = mul_f32 r0 r5
    r6 = load8 arg(1)
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r7 = sub_f32 r2 r5
    r5 = mad_f32 r6 r7 r5
    r5 = mad_f32 r5 r3 r4
    r5 = to_i32 r5
    store8 arg(1) r5

RGBA_8888 over G8
34 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load32 arg(0)
↑ v2 = splat FF (3.5733111e-43)
  v3 = extract v1 0 v2
  v4 = to_f32 v3
  v5 = mul_f32 v0 v4
  v6 = load8 arg(1)
  v7 = to_f32 v6
  v8 = mul_f32 v0 v7
  v9 = extract v1 24 v2
  v10 = to_f32 v9
  v11 = mul_f32 v0 v10
↑ v12 = splat 3F800000 (1)
  v13 = sub_f32 v12 v11
  v14 = mad_f32 v8 v13 v5
↑ v15 = splat 3E59B3D0 (0.21259999)
  v16 = extract v1 8 v2
  v17 = to_f32 v16
  v18 = mul_f32 v0 v17
  v19 = mad_f32 v8 v13 v18
↑ v20 = splat 3F371759 (0.71520001)
  v21 = extract v1 16 v2
  v22 = to_f32 v21
  v23 = mul_f32 v0 v22
  v24 = mad_f32 v8 v13 v23
↑ v25 = splat 3D93DD98 (0.0722)
  v26 = mul_f32 v24 v25
  v27 = mad_f32 v19 v20 v26
  v28 = mad_f32 v14 v15 v27
↑ v29 = splat 437F0000 (255)
↑ v30 = splat 3F000000 (0.5)
  v31 = mad_f32 v28 v29 v30
  v32 = to_i32 v31
  store8 arg(1) v32

13 registers, 34 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat FF (3.5733111e-43)
r2 = splat 3F800000 (1)
r3 = splat 3E59B3D0 (0.21259999)
r4 = splat 3F371759 (0.71520001)
r5 = splat 3D93DD98 (0.0722)
r6 = splat 437F0000 (255)
r7 = splat 3F000000 (0.5)
loop:
    r8 = load32 arg(0)
    r9 = extract r8 0 r1
    r9 = to_f32 r9
    r9 = mul_f32 r0 r9
    r10 = load8 arg(1)
    r10 = to_f32 r10
    r10 = mul_f32 r0 r10
    r11 = extract r8 24 r1
    r11 = to_f32 r11
    r11 = mul_f32 r0 r11
    r11 = sub_f32 r2 r11
    r9 = mad_f32 r10 r11 r9
    r12 = extract r8 8 r1
    r12 = to_f32 r12
    r12 = mul_f32 r0 r12
    r12 = mad_f32 r10 r11 r12
    r8 = extract r8 16 r1
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r8 = mad_f32 r10 r11 r8
    r8 = mul_f32 r8 r5
    r8 = mad_f32 r12 r4 r8
    r8 = mad_f32 r9 r3 r8
    r8 = mad_f32 r8 r6 r7
    r8 = to_i32 r8
    store8 arg(1) r8

RGBA_8888 over RGBA_8888
48 values:
↑ v0 = splat 3B808081 (0.0039215689)
  v1 = load32 arg(0)
↑ v2 = splat FF (3.5733111e-43)
  v3 = extract v1 0 v2
  v4 = to_f32 v3
  v5 = mul_f32 v0 v4
  v6 = load32 arg(1)
  v7 = extract v6 0 v2
  v8 = to_f32 v7
  v9 = mul_f32 v0 v8
  v10 = extract v1 24 v2
  v11 = to_f32 v10
  v12 = mul_f32 v0 v11
↑ v13 = splat 3F800000 (1)
  v14 = sub_f32 v13 v12
  v15 = mad_f32 v9 v14 v5
↑ v16 = splat 437F0000 (255)
↑ v17 = splat 3F000000 (0.5)
  v18 = mad_f32 v15 v16 v17
  v19 = to_i32 v18
  v20 = extract v1 8 v2
  v21 = to_f32 v20
  v22 = mul_f32 v0 v21
  v23 = extract v6 8 v2
  v24 = to_f32 v23
  v25 = mul_f32 v0 v24
  v26 = mad_f32 v25 v14 v22
  v27 = mad_f32 v26 v16 v17
  v28 = to_i32 v27
  v29 = pack v19 v28 8
  v30 = extract v1 16 v2
  v31 = to_f32 v30
  v32 = mul_f32 v0 v31
  v33 = extract v6 16 v2
  v34 = to_f32 v33
  v35 = mul_f32 v0 v34
  v36 = mad_f32 v35 v14 v32
  v37 = mad_f32 v36 v16 v17
  v38 = to_i32 v37
  v39 = extract v6 24 v2
  v40 = to_f32 v39
  v41 = mul_f32 v0 v40
  v42 = mad_f32 v41 v14 v12
  v43 = mad_f32 v42 v16 v17
  v44 = to_i32 v43
  v45 = pack v38 v44 8
  v46 = pack v29 v45 16
  store32 arg(1) v46

12 registers, 48 instructions:
r0 = splat 3B808081 (0.0039215689)
r1 = splat FF (3.5733111e-43)
r2 = splat 3F800000 (1)
r3 = splat 437F0000 (255)
r4 = splat 3F000000 (0.5)
loop:
    r5 = load32 arg(0)
    r6 = extract r5 0 r1
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r7 = load32 arg(1)
    r8 = extract r7 0 r1
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r9 = extract r5 24 r1
    r9 = to_f32 r9
    r9 = mul_f32 r0 r9
    r10 = sub_f32 r2 r9
    r6 = mad_f32 r8 r10 r6
    r6 = mad_f32 r6 r3 r4
    r6 = to_i32 r6
    r8 = extract r5 8 r1
    r8 = to_f32 r8
    r8 = mul_f32 r0 r8
    r11 = extract r7 8 r1
    r11 = to_f32 r11
    r11 = mul_f32 r0 r11
    r8 = mad_f32 r11 r10 r8
    r8 = mad_f32 r8 r3 r4
    r8 = to_i32 r8
    r8 = pack r6 r8 8
    r5 = extract r5 16 r1
    r5 = to_f32 r5
    r5 = mul_f32 r0 r5
    r6 = extract r7 16 r1
    r6 = to_f32 r6
    r6 = mul_f32 r0 r6
    r5 = mad_f32 r6 r10 r5
    r5 = mad_f32 r5 r3 r4
    r5 = to_i32 r5
    r7 = extract r7 24 r1
    r7 = to_f32 r7
    r7 = mul_f32 r0 r7
    r9 = mad_f32 r7 r10 r9
    r9 = mad_f32 r9 r3 r4
    r9 = to_i32 r9
    r9 = pack r5 r9 8
    r9 = pack r8 r9 16
    store32 arg(1) r9

I32 (Naive) 8888 over 8888
29 values:
  v0 = load32 arg(0)
↑ v1 = splat FF (3.5733111e-43)
  v2 = extract v0 0 v1
  v3 = load32 arg(1)
  v4 = extract v3 0 v1
  v5 = extract v0 24 v1
↑ v6 = splat 100 (3.5873241e-43)
  v7 = sub_i32 v6 v5
  v8 = mul_i32 v4 v7
  v9 = shr_i32 v8 8
  v10 = add_i32 v2 v9
  v11 = extract v0 8 v1
  v12 = extract v3 8 v1
  v13 = mul_i32 v12 v7
  v14 = shr_i32 v13 8
  v15 = add_i32 v11 v14
  v16 = pack v10 v15 8
  v17 = extract v0 16 v1
  v18 = extract v3 16 v1
  v19 = mul_i32 v18 v7
  v20 = shr_i32 v19 8
  v21 = add_i32 v17 v20
  v22 = extract v3 24 v1
  v23 = mul_i32 v22 v7
  v24 = shr_i32 v23 8
  v25 = add_i32 v5 v24
  v26 = pack v21 v25 8
  v27 = pack v16 v26 16
  store32 arg(1) v27

9 registers, 29 instructions:
r0 = splat FF (3.5733111e-43)
r1 = splat 100 (3.5873241e-43)
loop:
    r2 = load32 arg(0)
    r3 = extract r2 0 r0
    r4 = load32 arg(1)
    r5 = extract r4 0 r0
    r6 = extract r2 24 r0
    r7 = sub_i32 r1 r6
    r5 = mul_i32 r5 r7
    r5 = shr_i32 r5 8
    r5 = add_i32 r3 r5
    r3 = extract r2 8 r0
    r8 = extract r4 8 r0
    r8 = mul_i32 r8 r7
    r8 = shr_i32 r8 8
    r8 = add_i32 r3 r8
    r8 = pack r5 r8 8
    r2 = extract r2 16 r0
    r5 = extract r4 16 r0
    r5 = mul_i32 r5 r7
    r5 = shr_i32 r5 8
    r5 = add_i32 r2 r5
    r4 = extract r4 24 r0
    r7 = mul_i32 r4 r7
    r7 = shr_i32 r7 8
    r7 = add_i32 r6 r7
    r7 = pack r5 r7 8
    r7 = pack r8 r7 16
    store32 arg(1) r7

I32 8888 over 8888
29 values:
  v0 = load32 arg(0)
↑ v1 = splat FF (3.5733111e-43)
  v2 = bit_and v0 v1
  v3 = load32 arg(1)
  v4 = bit_and v3 v1
  v5 = shr_i32 v0 24
↑ v6 = splat 100 (3.5873241e-43)
  v7 = sub_i32 v6 v5
  v8 = mul_i16x2 v4 v7
  v9 = shr_i32 v8 8
  v10 = add_i32 v2 v9
  v11 = bytes v0 2
  v12 = bytes v3 2
  v13 = mul_i16x2 v12 v7
  v14 = shr_i32 v13 8
  v15 = add_i32 v11 v14
  v16 = pack v10 v15 8
  v17 = bytes v0 3
  v18 = bytes v3 3
  v19 = mul_i16x2 v18 v7
  v20 = shr_i32 v19 8
  v21 = add_i32 v17 v20
  v22 = shr_i32 v3 24
  v23 = mul_i16x2 v22 v7
  v24 = shr_i32 v23 8
  v25 = add_i32 v5 v24
  v26 = pack v21 v25 8
  v27 = pack v16 v26 16
  store32 arg(1) v27

9 registers, 29 instructions:
r0 = splat FF (3.5733111e-43)
r1 = splat 100 (3.5873241e-43)
loop:
    r2 = load32 arg(0)
    r3 = bit_and r2 r0
    r4 = load32 arg(1)
    r5 = bit_and r4 r0
    r6 = shr_i32 r2 24
    r7 = sub_i32 r1 r6
    r5 = mul_i16x2 r5 r7
    r5 = shr_i32 r5 8
    r5 = add_i32 r3 r5
    r3 = bytes r2 2
    r8 = bytes r4 2
    r8 = mul_i16x2 r8 r7
    r8 = shr_i32 r8 8
    r8 = add_i32 r3 r8
    r8 = pack r5 r8 8
    r2 = bytes r2 3
    r5 = bytes r4 3
    r5 = mul_i16x2 r5 r7
    r5 = shr_i32 r5 8
    r5 = add_i32 r2 r5
    r4 = shr_i32 r4 24
    r7 = mul_i16x2 r4 r7
    r7 = shr_i32 r7 8
    r7 = add_i32 r6 r7
    r7 = pack r5 r7 8
    r7 = pack r8 r7 16
    store32 arg(1) r7

I32 (SWAR) 8888 over 8888
15 values:
  v0 = load32 arg(0)
  v1 = bytes v0 404
↑ v2 = splat 1000100 (2.3510604e-38)
  v3 = sub_i16x2 v2 v1
  v4 = load32 arg(1)
↑ v5 = splat FF00FF (2.3418409e-38)
  v6 = bit_and v4 v5
  v7 = mul_i16x2 v6 v3
  v8 = shr_i16x2 v7 8
  v9 = shr_i16x2 v4 8
  v10 = mul_i16x2 v9 v3
  v11 = bit_clear v10 v5
  v12 = bit_or v8 v11
  v13 = add_i32 v0 v12
  store32 arg(1) v13

6 registers, 15 instructions:
r0 = splat 1000100 (2.3510604e-38)
r1 = splat FF00FF (2.3418409e-38)
loop:
    r2 = load32 arg(0)
    r3 = bytes r2 404
    r3 = sub_i16x2 r0 r3
    r4 = load32 arg(1)
    r5 = bit_and r4 r1
    r5 = mul_i16x2 r5 r3
    r5 = shr_i16x2 r5 8
    r4 = shr_i16x2 r4 8
    r3 = mul_i16x2 r4 r3
    r3 = bit_clear r3 r1
    r3 = bit_or r5 r3
    r3 = add_i32 r2 r3
    store32 arg(1) r3

6 values:
↟ v0 = splat 1 (1.4012985e-45)
↟ v1 = splat 2 (2.8025969e-45)
↑ v2 = add_i32 v0 v1
  v3 = load32 arg(0)
  v4 = mul_i32 v3 v2
  store32 arg(0) v4

2 registers, 6 instructions:
r0 = splat 1 (1.4012985e-45)
r1 = splat 2 (2.8025969e-45)
r1 = add_i32 r0 r1
loop:
    r0 = load32 arg(0)
    r0 = mul_i32 r0 r1
    store32 arg(0) r0

19 values:
↑ v0 = splat FF (3.5733111e-43)
  v1 = load32 arg(0)
  v2 = extract v1 0 v0
  v3 = load32 arg(1)
  v4 = extract v3 0 v0
  v5 = add_i32 v2 v4
  v6 = extract v1 8 v0
  v7 = extract v3 8 v0
  v8 = add_i32 v6 v7
  v9 = pack v5 v8 8
  v10 = extract v1 16 v0
  v11 = extract v3 16 v0
  v12 = add_i32 v10 v11
  v13 = extract v1 24 v0
  v14 = extract v3 24 v0
  v15 = add_i32 v13 v14
  v16 = pack v12 v15 8
  v17 = pack v9 v16 16
  store32 arg(1) v17

6 registers, 19 instructions:
r0 = splat FF (3.5733111e-43)
loop:
    r1 = load32 arg(0)
    r2 = extract r1 0 r0
    r3 = load32 arg(1)
    r4 = extract r3 0 r0
    r4 = add_i32 r2 r4
    r2 = extract r1 8 r0
    r5 = extract r3 8 r0
    r5 = add_i32 r2 r5
    r5 = pack r4 r5 8
    r4 = extract r1 16 r0
    r2 = extract r3 16 r0
    r2 = add_i32 r4 r2
    r1 = extract r1 24 r0
    r3 = extract r3 24 r0
    r3 = add_i32 r1 r3
    r3 = pack r2 r3 8
    r3 = pack r5 r3 16
    store32 arg(1) r3