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Use __builtin_ctz and __builtin_clz in dlmalloc #401

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merged 1 commit into from
Mar 6, 2023

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TerrorJack
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This patch ports emscripten-core/emscripten#18186 to wasi-libc to get a bit of speed & size improvement for cheap :)

@sunfishcode sunfishcode merged commit f2a35a4 into WebAssembly:main Mar 6, 2023
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Nice find!

@TerrorJack TerrorJack deleted the dlmalloc-use-clz-ctz branch March 6, 2023 16:38
abrown added a commit to abrown/wasi-sdk that referenced this pull request Mar 20, 2023
This change brings in several helpful PRs (e.g.,
WebAssembly/wasi-libc#397, WebAssembly/wasi-libc#399,
WebAssembly/wasi-libc#401) in anticipation of creating a release based
on LLVM 16.
abrown added a commit to WebAssembly/wasi-sdk that referenced this pull request Mar 22, 2023
This change brings in several helpful PRs (e.g.,
WebAssembly/wasi-libc#397, WebAssembly/wasi-libc#399,
WebAssembly/wasi-libc#401) in anticipation of creating a release based
on LLVM 16.
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4 participants