Optimize safe casting of signed numbers #3565
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frangio
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Jul 20, 2022
ronhuafeng
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Sep 9, 2022
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Fixes #nothing
This PR reduces gas needed to perform safe downcasting of signed integers by 23 gas ('gasleft' microbenchmark went down from 110 to 87 gas). Both underflows and overflows are still caught, but instead of two comparisons there's only one.
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