Remove comments about skipping and summarize their previous existence in the larger...

diff --git a/src/shaders/compute.wgsl b/src/shaders/compute.wgsl
index 556caa3e84db5acc688edae78f3d2f796eb3b269..e9d83b89e5f9e442abf8ef5c081cec2658fe8d9f 100644 (file)
--- a/src/shaders/compute.wgsl
+++ b/src/shaders/compute.wgsl
@@ -119,16 +119,17 @@ fn main(id: vec3<u32>) {
        * sigma is a defined set of array indexes for `m`
        * rotr64 is a right-hand bit rotation function
        *
-       *       a = a + b
-       *       a = a + m[sigma[r][2*i+0]]
+       *       a = a + b + m[sigma[r][2*i+0]]
        *       d = rotr64(d ^ a, 32)
        *       c = c + d
        *       b = rotr64(b ^ c, 24)
-       *       a = a + b
-       *       a = a + m[sigma[r][2*i+1]]
+       *       a = a + b + m[sigma[r][2*i+1]]
        *       d = rotr64(d ^ a, 16)
        *       c = c + d
        *       b = rotr64(b ^ c, 63)
+       *
+       * Each sum step has an extra carry addition. Note that the `a` assignment sum
+       * has zero, one, or two carry additions depending on whether m[sigma] is zero.
        */
 
        /****************************************************************************
@@ -167,7 +168,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -176,12 +176,10 @@ fn main(id: vec3<u32>) {
        * r=0, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -190,12 +188,10 @@ fn main(id: vec3<u32>) {
        * r=0, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -204,12 +200,10 @@ fn main(id: vec3<u32>) {
        * r=0, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -218,12 +212,10 @@ fn main(id: vec3<u32>) {
        * r=0, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -232,12 +224,10 @@ fn main(id: vec3<u32>) {
        * r=0, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -254,12 +244,10 @@ fn main(id: vec3<u32>) {
        * r=1, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -272,7 +260,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -281,12 +268,10 @@ fn main(id: vec3<u32>) {
        * r=1, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -295,12 +280,10 @@ fn main(id: vec3<u32>) {
        * r=1, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -313,7 +296,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -334,12 +316,10 @@ fn main(id: vec3<u32>) {
        * r=1, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -348,7 +328,6 @@ fn main(id: vec3<u32>) {
        * r=1, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
@@ -369,12 +348,10 @@ fn main(id: vec3<u32>) {
        * r=2, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -383,7 +360,6 @@ fn main(id: vec3<u32>) {
        * r=2, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
@@ -396,7 +372,6 @@ fn main(id: vec3<u32>) {
        * r=2, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
@@ -409,12 +384,10 @@ fn main(id: vec3<u32>) {
        * r=2, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -423,12 +396,10 @@ fn main(id: vec3<u32>) {
        * r=2, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -441,7 +412,6 @@ fn main(id: vec3<u32>) {
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -450,7 +420,6 @@ fn main(id: vec3<u32>) {
        * r=2, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
@@ -463,7 +432,6 @@ fn main(id: vec3<u32>) {
        * r=2, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
@@ -484,12 +452,10 @@ fn main(id: vec3<u32>) {
        * r=3, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -510,12 +476,10 @@ fn main(id: vec3<u32>) {
        * r=3, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -524,12 +488,10 @@ fn main(id: vec3<u32>) {
        * r=3, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -542,7 +504,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -551,12 +512,10 @@ fn main(id: vec3<u32>) {
        * r=3, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -577,12 +536,10 @@ fn main(id: vec3<u32>) {
        * r=3, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -599,7 +556,6 @@ fn main(id: vec3<u32>) {
        * r=4, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
@@ -612,12 +568,10 @@ fn main(id: vec3<u32>) {
        * r=4, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -638,12 +592,10 @@ fn main(id: vec3<u32>) {
        * r=4, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -652,7 +604,6 @@ fn main(id: vec3<u32>) {
        * r=4, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
@@ -665,12 +616,10 @@ fn main(id: vec3<u32>) {
        * r=4, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -679,12 +628,10 @@ fn main(id: vec3<u32>) {
        * r=4, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -697,7 +644,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -718,7 +664,6 @@ fn main(id: vec3<u32>) {
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -727,12 +672,10 @@ fn main(id: vec3<u32>) {
        * r=5, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -745,7 +688,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -754,7 +696,6 @@ fn main(id: vec3<u32>) {
        * r=5, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
@@ -771,7 +712,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -780,12 +720,10 @@ fn main(id: vec3<u32>) {
        * r=5, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -794,12 +732,10 @@ fn main(id: vec3<u32>) {
        * r=5, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -812,7 +748,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -829,12 +764,10 @@ fn main(id: vec3<u32>) {
        * r=6, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -847,7 +780,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -856,12 +788,10 @@ fn main(id: vec3<u32>) {
        * r=6, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -874,7 +804,6 @@ fn main(id: vec3<u32>) {
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -887,7 +816,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -896,7 +824,6 @@ fn main(id: vec3<u32>) {
        * r=6, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
@@ -909,7 +836,6 @@ fn main(id: vec3<u32>) {
        * r=6, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
@@ -922,12 +848,10 @@ fn main(id: vec3<u32>) {
        * r=6, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -944,12 +868,10 @@ fn main(id: vec3<u32>) {
        * r=7, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -958,12 +880,10 @@ fn main(id: vec3<u32>) {
        * r=7, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -972,7 +892,6 @@ fn main(id: vec3<u32>) {
        * r=7, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
@@ -989,7 +908,6 @@ fn main(id: vec3<u32>) {
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -998,7 +916,6 @@ fn main(id: vec3<u32>) {
        * r=7, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
@@ -1011,7 +928,6 @@ fn main(id: vec3<u32>) {
        * r=7, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
@@ -1024,12 +940,10 @@ fn main(id: vec3<u32>) {
        * r=7, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -1042,7 +956,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -1059,12 +972,10 @@ fn main(id: vec3<u32>) {
        * r=8, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy << ROTATE_1) | ((v4 ^ v8).yx >> ROTATE_31);
@@ -1073,12 +984,10 @@ fn main(id: vec3<u32>) {
        * r=8, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -1087,7 +996,6 @@ fn main(id: vec3<u32>) {
        * r=8, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
@@ -1104,7 +1012,6 @@ fn main(id: vec3<u32>) {
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -1113,7 +1020,6 @@ fn main(id: vec3<u32>) {
        * r=8, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
@@ -1126,12 +1032,10 @@ fn main(id: vec3<u32>) {
        * r=8, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -1152,12 +1056,10 @@ fn main(id: vec3<u32>) {
        * r=8, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -1174,7 +1076,6 @@ fn main(id: vec3<u32>) {
        * r=9, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
@@ -1187,7 +1088,6 @@ fn main(id: vec3<u32>) {
        * r=9, i=1, a=v[1], b=v[5], c=v[9], d=v[13]
        */
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v1.yx;
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
@@ -1200,12 +1100,10 @@ fn main(id: vec3<u32>) {
        * r=9, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -1218,7 +1116,6 @@ fn main(id: vec3<u32>) {
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -1227,12 +1124,10 @@ fn main(id: vec3<u32>) {
        * r=9, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -1241,12 +1136,10 @@ fn main(id: vec3<u32>) {
        * r=9, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -1259,7 +1152,6 @@ fn main(id: vec3<u32>) {
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -1268,7 +1160,6 @@ fn main(id: vec3<u32>) {
        * r=9, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
@@ -1317,7 +1208,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy << ROTATE_1) | ((v6 ^ v10).yx >> ROTATE_31);
@@ -1326,12 +1216,10 @@ fn main(id: vec3<u32>) {
        * r=10, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -1340,12 +1228,10 @@ fn main(id: vec3<u32>) {
        * r=10, i=4, a=v[0], b=v[5], c=v[10], d=v[15]
        */
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v0.yx;
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v0).xy >> ROTATE_16) | ((v15 ^ v0).yx << ROTATE_16);
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy << ROTATE_1) | ((v5 ^ v10).yx >> ROTATE_31);
@@ -1354,12 +1240,10 @@ fn main(id: vec3<u32>) {
        * r=10, i=5, a=v[1], b=v[6], c=v[11], d=v[12]
        */
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v1.yx;
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy >> ROTATE_24) | ((v6 ^ v11).yx << ROTATE_8);
        v1 = v1 + v6 + vec2(0u, u32(v1.x + v6.x < v1.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v1).xy >> ROTATE_16) | ((v12 ^ v1).yx << ROTATE_16);
        v11 = v11 + v12 + vec2(0u, u32(v11.x + v12.x < v11.x));
        v6 = ((v6 ^ v11).xy << ROTATE_1) | ((v6 ^ v11).yx >> ROTATE_31);
@@ -1368,12 +1252,10 @@ fn main(id: vec3<u32>) {
        * r=10, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy << ROTATE_1) | ((v7 ^ v8).yx >> ROTATE_31);
@@ -1382,12 +1264,10 @@ fn main(id: vec3<u32>) {
        * r=10, i=7, a=v[3], b=v[4], c=v[9], d=v[14]
        */
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v3.yx;
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy >> ROTATE_24) | ((v4 ^ v9).yx << ROTATE_8);
        v3 = v3 + v4 + vec2(0u, u32(v3.x + v4.x < v3.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v3).xy >> ROTATE_16) | ((v14 ^ v3).yx << ROTATE_16);
        v9 = v9 + v14 + vec2(0u, u32(v9.x + v14.x < v9.x));
        v4 = ((v4 ^ v9).xy << ROTATE_1) | ((v4 ^ v9).yx >> ROTATE_31);
@@ -1404,12 +1284,10 @@ fn main(id: vec3<u32>) {
        * r=11, i=0, a=v[0], b=v[4], c=v[8], d=v[12]
        */
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = v12.yx ^ v0.yx;
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        v4 = ((v4 ^ v8).xy >> ROTATE_24) | ((v4 ^ v8).yx << ROTATE_8);
        v0 = v0 + v4 + vec2(0u, u32(v0.x + v4.x < v0.x));
-       // skip since adding 0u does nothing
        v12 = ((v12 ^ v0).xy >> ROTATE_16) | ((v12 ^ v0).yx << ROTATE_16);
        v8 = v8 + v12 + vec2(0u, u32(v8.x + v12.x < v8.x));
        // skip since it does not affect the final values of `v0` and `v8`
@@ -1422,7 +1300,6 @@ fn main(id: vec3<u32>) {
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy >> ROTATE_24) | ((v5 ^ v9).yx << ROTATE_8);
        v1 = v1 + v5 + vec2(0u, u32(v1.x + v5.x < v1.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v1).xy >> ROTATE_16) | ((v13 ^ v1).yx << ROTATE_16);
        v9 = v9 + v13 + vec2(0u, u32(v9.x + v13.x < v9.x));
        v5 = ((v5 ^ v9).xy << ROTATE_1) | ((v5 ^ v9).yx >> ROTATE_31);
@@ -1431,12 +1308,10 @@ fn main(id: vec3<u32>) {
        * r=11, i=2, a=v[2], b=v[6], c=v[10], d=v[14]
        */
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = v14.yx ^ v2.yx;
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        v6 = ((v6 ^ v10).xy >> ROTATE_24) | ((v6 ^ v10).yx << ROTATE_8);
        v2 = v2 + v6 + vec2(0u, u32(v2.x + v6.x < v2.x));
-       // skip since adding 0u does nothing
        v14 = ((v14 ^ v2).xy >> ROTATE_16) | ((v14 ^ v2).yx << ROTATE_16);
        v10 = v10 + v14 + vec2(0u, u32(v10.x + v14.x < v10.x));
        // skip since it does not affect the final values of `v0` and `v8`
@@ -1445,12 +1320,10 @@ fn main(id: vec3<u32>) {
        * r=11, i=3, a=v[3], b=v[7], c=v[11], d=v[15]
        */
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = v15.yx ^ v3.yx;
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy >> ROTATE_24) | ((v7 ^ v11).yx << ROTATE_8);
        v3 = v3 + v7 + vec2(0u, u32(v3.x + v7.x < v3.x));
-       // skip since adding 0u does nothing
        v15 = ((v15 ^ v3).xy >> ROTATE_16) | ((v15 ^ v3).yx << ROTATE_16);
        v11 = v11 + v15 + vec2(0u, u32(v11.x + v15.x < v11.x));
        v7 = ((v7 ^ v11).xy << ROTATE_1) | ((v7 ^ v11).yx >> ROTATE_31);
@@ -1463,7 +1336,6 @@ fn main(id: vec3<u32>) {
        v10 = v10 + v15 + vec2(0u, u32(v10.x + v15.x < v10.x));
        v5 = ((v5 ^ v10).xy >> ROTATE_24) | ((v5 ^ v10).yx << ROTATE_8);
        v0 = v0 + v5 + vec2(0u, u32(v0.x + v5.x < v0.x));
-       // skip since adding 0u does nothing
        // skip since it does not affect the final values of `v0` and `v8`
        // skip since it does not affect the final values of `v0` and `v8`
        // skip since it does not affect the final values of `v0` and `v8`
@@ -1477,12 +1349,10 @@ fn main(id: vec3<u32>) {
        * r=11, i=6, a=v[2], b=v[7], c=v[8], d=v[13]
        */
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = v13.yx ^ v2.yx;
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        v7 = ((v7 ^ v8).xy >> ROTATE_24) | ((v7 ^ v8).yx << ROTATE_8);
        v2 = v2 + v7 + vec2(0u, u32(v2.x + v7.x < v2.x));
-       // skip since adding 0u does nothing
        v13 = ((v13 ^ v2).xy >> ROTATE_16) | ((v13 ^ v2).yx << ROTATE_16);
        v8 = v8 + v13 + vec2(0u, u32(v8.x + v13.x < v8.x));
        // skip since we already have the final values of `v0` and `v8`