[wasm] Bail R2R for SIMD16 store-indirect and SIMD16 parameters#130101
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AndyAyersMS merged 1 commit intoJul 2, 2026
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Vector128 parameters are lowered to i32 in the wasm signature and a SIMD16 store-indirect emits v128.store with an i32 operand, both of which produce invalid modules; bail such methods to the interpreter via NYI_WASM_SIMD until SIMD16 is properly supported. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@adamperlin PTAL |
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Pull request overview
This PR adds additional WebAssembly (wasm) SIMD-related “not yet implemented” bailouts in CoreCLR JIT codegen to avoid generating invalid wasm modules (notably in ReadyToRun scenarios) when TYP_SIMD16 values flow through unsupported code paths.
Changes:
- Bail out when a method has
TYP_SIMD16(Vector128) parameters, since they are currently represented asi32in the wasm signature. - Bail out when emitting an indirect store of a
TYP_SIMD16value to avoid producing invalidv128.storesequences.
adamperlin
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Jul 1, 2026
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Tagging subscribers to 'arch-wasm': @lewing, @pavelsavara |
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Fix a few missing SIMD bail outs that prevent SPC from validating.