Use explicit table lookup for ac_q and dc_q #2667
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barrbrain
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Feb 10, 2021
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barrbrain
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- Resolve a surprising compiler decision to invoke memmove.
- Calculate indices in a way that rustc may elide bounds checks.
lu-zero
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Feb 10, 2021
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lu-zero
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Feb 10, 2021
The original intent was a simple lookup but the expression required the compiler to make a copy of the array referenced.
Also compute the table indices such that bounds checks are elided.
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