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Pass int32 parameters and results in integer registers - #932

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ctate merged 2 commits into
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ctate/pass-int32-parameters-8a883c
Oct 13, 2026
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ctate merged 2 commits into
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ctate/pass-int32-parameters-8a883c

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@ctate

@ctate ctate commented Oct 13, 2026

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  • Number parameters and results proven int32 travel as i32 on direct calls, while closures, dispatch and the runtime keep a double-ABI wrapper: recursive int32 calls are 2.7× faster and integer-depth recursion 1.5× faster.
  • Counting-down recursion such as f(n - 1) under n !== 0 is now proven from call-site ranges.
  • bench:runtime and self-host compile time are neutral.

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scriptc Ready Ready Preview, v0 Oct 13, 2026 5:37pm UTC

@ctate
ctate merged commit dd01239 into main Oct 13, 2026
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ctate deleted the ctate/pass-int32-parameters-8a883c branch October 13, 2026 18:03

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