flate, zstd: Shave some bytes off amd64 matchLen #963
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XORQ sets the flags, so there is no need for TESTQ. Use a 32-bit shift after TZCNT/BSF.
klauspost
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…5760) [](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [github.com/klauspost/compress](https://togithub.com/klauspost/compress) | `v1.17.8` -> `v1.17.9` | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>klauspost/compress (github.com/klauspost/compress)</summary> ### [`v1.17.9`](https://togithub.com/klauspost/compress/releases/tag/v1.17.9) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.17.8...v1.17.9) ##### What's Changed - s2: Reduce ReadFrom temporary allocations by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#949 - Fix arm64 vet issues by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#964 - flate, zstd: Shave some bytes off amd64 matchLen by [@​greatroar](https://togithub.com/greatroar) in [klauspost/compress#963 - Upgrade zip to 1.22.4 upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#970 - zstd: BuildDict fails with RLE table by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#951 - Upgrade zlib to upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#971 **Full Changelog**: klauspost/compress@v1.17.8...v1.17.9 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/open-telemetry/opentelemetry-go-contrib). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zOTMuMCIsInVwZGF0ZWRJblZlciI6IjM3LjQxMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJTa2lwIENoYW5nZWxvZyIsImRlcGVuZGVuY2llcyJdfQ==--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [github.com/klauspost/compress](https://togithub.com/klauspost/compress) | `v1.17.8` -> `v1.17.9` | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- > [!WARNING] > Some dependencies could not be looked up. Check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>klauspost/compress (github.com/klauspost/compress)</summary> ### [`v1.17.9`](https://togithub.com/klauspost/compress/releases/tag/v1.17.9) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.17.8...v1.17.9) ##### What's Changed - s2: Reduce ReadFrom temporary allocations by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#949 - Fix arm64 vet issues by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#964 - flate, zstd: Shave some bytes off amd64 matchLen by [@​greatroar](https://togithub.com/greatroar) in [klauspost/compress#963 - Upgrade zip to 1.22.4 upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#970 - zstd: BuildDict fails with RLE table by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#951 - Upgrade zlib to upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#971 **Full Changelog**: klauspost/compress@v1.17.8...v1.17.9 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "on tuesday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/open-telemetry/opentelemetry-collector). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40MTAuMSIsInVwZGF0ZWRJblZlciI6IjM3LjQxMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiLCJyZW5vdmF0ZWJvdCJdfQ==--> --------- Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: opentelemetrybot <107717825+opentelemetrybot@users.noreply.github.com> Co-authored-by: Alex Boten <223565+codeboten@users.noreply.github.com>
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[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [github.com/klauspost/compress](https://togithub.com/klauspost/compress) | `v1.17.8` -> `v1.17.9` | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- > [!WARNING] > Some dependencies could not be looked up. Check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>klauspost/compress (github.com/klauspost/compress)</summary> ### [`v1.17.9`](https://togithub.com/klauspost/compress/releases/tag/v1.17.9) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.17.8...v1.17.9) ##### What's Changed - s2: Reduce ReadFrom temporary allocations by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#949 - Fix arm64 vet issues by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#964 - flate, zstd: Shave some bytes off amd64 matchLen by [@​greatroar](https://togithub.com/greatroar) in [klauspost/compress#963 - Upgrade zip to 1.22.4 upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#970 - zstd: BuildDict fails with RLE table by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#951 - Upgrade zlib to upstream by [@​klauspost](https://togithub.com/klauspost) in [klauspost/compress#971 **Full Changelog**: klauspost/compress@v1.17.8...v1.17.9 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "on tuesday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/open-telemetry/opentelemetry-collector-contrib). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40MTAuMSIsInVwZGF0ZWRJblZlciI6IjM3LjQxMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiLCJyZW5vdmF0ZWJvdCJdfQ==--> --------- Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: opentelemetrybot <107717825+opentelemetrybot@users.noreply.github.com>
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I only ran a few benchmarks and did not see a speedup, but the code is a bit shorter.