Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 10fce329c3429e56c662b9bb8997512ba076fede
https://github.com/WebKit/WebKit/commit/10fce329c3429e56c662b9bb8997512ba076fede
Author: Dan Hecht <[email protected]>
Date: 2025-10-15 (Wed, 15 Oct 2025)
Changed paths:
M JSTests/wasm/stress/simd-select.js
M Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
Log Message:
-----------
[JSC] WASM IPInt SIMD: support v128 in select and select_t instructions
https://bugs.webkit.org/show_bug.cgi?id=300772
rdar://162653641
Reviewed by Yusuke Suzuki.
select and select_t should copy 16-bytes now that IPInt supports v128.
The pre-existing test didn't catch this issue because pushQuad pushes
the same register twice and the test used the same value in all lanes,
so the final result was correct in this case. Adjust the test so that
it can catch this bug. Also add select_t testcases.
* JSTests/wasm/stress/simd-select.js:
(from.string_appeared_here.import.as.assert.from.string_appeared_here.let.wat.module.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.1.2.3.4.local.2.v128.const.i32x4.5.6.7.8.local.3.local.2.local.3.local.0.local.1.i32.eq.select.i32x4.extract_lane.0.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.1.2.3.4.local.2.v128.const.i32x4.5.6.7.8.local.3.local.2.local.3.local.0.local.1.i32.eq.select.i32x4.extract_lane.3.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.10.20.30.40.local.2.v128.const.i32x4.50.60.70.80.local.3.local.2.local.3.local.0.local.1.i32.eq.select.result.v128.i32x4.extract_lane.0.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.10.20.30.40.local.2.v128.const.i32x4.50.60.70.80.local.3.local.2.local.3.local.0.local.1.i32.eq.select.result.v128.i32x4.extract_lane.3.async
test):
(from.string_appeared_here.import.as.assert.from.string_appeared_here.let.wat.module.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.1.1.1.1.local.2.v128.const.i32x4.2.2.2.2.local.3.local.2.local.3.local.0.local.1.i32.eq.select.i32x4.extract_lane.0.func.export.string_appeared_here.param.i32.i32.result.i32.local.v128.v128.v128.const.i32x4.1.1.1.1.local.2.v128.const.i32x4.2.2.2.2.local.3.local.2.local.3.local.0.local.1.i32.eq.select.i32x4.extract_lane.3.async
test): Deleted.
* Source/JavaScriptCore/llint/InPlaceInterpreter64.asm:
Canonical link: https://commits.webkit.org/301558@main
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