252b0a023e
MSVC can't optimize it out and even keeps an external call to CRT function rintf: https://godbolt.org/z/Ex9vjf8vj It does translate to a real speedup on windows on some scenes, here are the ratios I had on my 13900K: classroom 101.53% junkshop 100.71% monster 100.76% attic 107.98% bistro 113.00% Pull Request: https://projects.blender.org/blender/blender/pulls/107371
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