Validate remaining FP16 instruction features - #8979
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The originally reported SIMDTernary case was fixed by WebAssembly#8403. This adds missing FP16 feature validation for seven unary conversion ops and f32.load_f16/f32.store_f16 when --enable-fp16 is not set. Fixes WebAssembly#8313. Signed-off-by: Gaurav Chaudhary <chaudharygaurav2004@gmail.com>
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August 7, 2026 11:28
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Fixes #8313
Summary
visitUnaryf32.load_f16andf32.store_f16invisitLoad/visitStoreforeachThe SIMDTernary madd/nmadd case from the original report was fixed by Validate SIMDTernary features #8403; this PR closes the remaining identifiable FP16 validation gaps found by audit.
Test plan
build-clang/bin/binaryen-lit test/lit/validation/fp16-unary.wast -vbuild-clang/bin/binaryen-lit test/lit/validation/fp16-memory.wast -vbuild-clang/bin/binaryen-lit test/lit/validation -v./check.py --binaryen-bin build-clang/bin validator