Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: ebf1b8942e391f252555325dd8859b613586f4be
https://github.com/WebKit/WebKit/commit/ebf1b8942e391f252555325dd8859b613586f4be
Author: Dan Hecht <[email protected]>
Date: 2025-10-13 (Mon, 13 Oct 2025)
Changed paths:
M JSTests/wasm/stress/simd-instructions-float.js
M Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
Log Message:
-----------
[JSC] WASM IPInt SIMD: X86_64: don't use AVX-512 and fix trunc_sat_f32x4_u
constant
https://bugs.webkit.org/show_bug.cgi?id=300648
rdar://162550842
Reviewed by Yusuke Suzuki.
Fix two issues with X86_64 IPInt SIMD:
1. Remove uses of AVX-512 instructions since these aren't supported on
Rosetta or older hardware.
2. The materialized constant in trunc_sat_f32x4_u had a float32 rounding
error. Fix that and add a test case to verify the edge case.
* JSTests/wasm/stress/simd-instructions-float.js:
* Source/JavaScriptCore/llint/InPlaceInterpreter64.asm:
Canonical link: https://commits.webkit.org/301436@main
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