Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f9a3a2147af0a89a67c74b9da7a291387c6cb39c
https://github.com/WebKit/WebKit/commit/f9a3a2147af0a89a67c74b9da7a291387c6cb39c
Author: Justin Michaud <[email protected]>
Date: 2023-10-09 (Mon, 09 Oct 2023)
Changed paths:
A JSTests/wasm/stress/omg-simd-simple.js
A JSTests/wasm/stress/omg-simd-stress.js
A JSTests/wasm/stress/omg-simd-stress.wat
M Source/JavaScriptCore/b3/air/AirLowerMacros.cpp
Log Message:
-----------
WebAssembly SIMD results in incorrect float values and non working bitwise
operations
https://bugs.webkit.org/show_bug.cgi?id=258302
rdar://111050621
Reviewed by Alexey Shvayka.
We accidentally clobber our input, causing some random SIMD bugs.
This was pretty difficult to isolate, even though the bug is so obvious.
The included (larger) test case actually serves as a pretty general way
to debug a differential jit-tier bug.
* JSTests/wasm/stress/omg-simd-simple.js: Added.
(from.string_appeared_here.import.as.assert.from.string_appeared_here.async
test):
* JSTests/wasm/stress/omg-simd-stress.js: Added.
(from.string_appeared_here.import.as.assert.from.string_appeared_here.async
test.):
(from.string_appeared_here.import.as.assert.from.string_appeared_here.async
test):
* JSTests/wasm/stress/omg-simd-stress.wat: Added.
* Source/JavaScriptCore/b3/air/AirLowerMacros.cpp:
(JSC::B3::Air::lowerMacros):
Canonical link: https://commits.webkit.org/269080@main
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