Andreas Kling 37b5c05ec5 LibJS: Add fast path for Uint8ClampedArray Get/Put ...

These are just like Uint8Array, except Put values have to be clamped
in the 0..255 range.

Takes CPU usage from 40% to 30% on the "Canvas Cycle" demo at
http://www.effectgames.com/demos/canvascycle/ :^)

2023-12-10 13:49:00 +01:00

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