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[Linux] Add SSE4.2 support runtime check.#112279

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akien-mga merged 1 commit intogodotengine:masterfrom
bruvzg:l_sse42_err
Nov 1, 2025
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[Linux] Add SSE4.2 support runtime check.#112279
akien-mga merged 1 commit intogodotengine:masterfrom
bruvzg:l_sse42_err

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@bruvzg bruvzg commented Nov 1, 2025

Fixes #112240

Similar to #108561, it's less robust since check is done after CRT init and uses CRT functions (and therefor will still crash if CRT itself is using SSE4.2), but should cover most cases (all SSE4.2 related issues opened so far seems to get much far than main before crashing).

@bruvzg bruvzg added this to the 4.6 milestone Nov 1, 2025
@bruvzg bruvzg requested a review from a team as a code owner November 1, 2025 10:52
@bruvzg bruvzg added enhancement platform:linuxbsd topic:platforms cherrypick:4.5 Considered for cherry-picking into a future 4.5.x release labels Nov 1, 2025
@akien-mga akien-mga merged commit 0fdbf05 into godotengine:master Nov 1, 2025
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Thanks!

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Cherry-picked for 4.5.2.

@akien-mga akien-mga removed the cherrypick:4.5 Considered for cherry-picking into a future 4.5.x release label Jan 8, 2026
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Editor crashes on startup on old CPU with no SSE4.2 support

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