[threads] ref.i31_shared #6735
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[threads] ref.i31_shared #6735
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kripken
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Jul 12, 2024
src/wasm.h
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| RefI31() = default; | ||
| RefI31(MixedArena& allocator) {} | ||
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| Shareability share; |
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Can this not be part of the type? We don't seem to have such a field on anything else.
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See the last commmit for this change.
Implement `ref.i31_shared` the new instruction for creating references to shared i31s. Implement binary and text parsing and emitting as well as interpretation. Copy the upstream spec test for i31 and modify it so that all the heap types are shared. Comment out some parts that we do not yet support.
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src/passes/Print.cpp
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| void visitRefI31(RefI31* curr) { printMedium(o, "ref.i31"); } | ||
| void visitRefI31(RefI31* curr) { | ||
| printMedium( | ||
| o, curr->type.getHeapType().isShared() ? "ref.i31_shared" : "ref.i31"); |
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I think you may need to guard here against curr->type being unreachable (when the i32 child is unreachable), in which case getHeapType errors.
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Implement
ref.i31_sharedthe new instruction for creating referencesto shared i31s. Implement binary and text parsing and emitting as well
as interpretation. Copy the upstream spec test for i31 and modify it so
that all the heap types are shared. Comment out some parts that we do
not yet support.