WebAssembly standard extensions

WebAssembly proposals

WasmEdge supports the following WebAssembly proposals. Those proposals are likely to become official WebAssembly specifications in the future.

Proposal	WasmEdge CLI flag	WasmEdge C API enumeration	Default turning on	Interpreter mode	AOT mode
Import/Export of Mutable Globals	`—disable-import-export-mut-globals`	`WasmEdge_Proposal_ImportExportMutGlobals`	✓	✓	✓
Non-trapping float-to-int conversions	`—disable-non-trap-float-to-int`	`WasmEdge_Proposal_NonTrapFloatToIntConversions`	✓	✓	✓
Sign-extension operators	`—disable-sign-extension-operators`	`WasmEdge_Proposal_SignExtensionOperators`	✓	✓	✓
Multi-value	`—disable-multi-value`	`WasmEdge_Proposal_MultiValue`	✓	✓	✓
Reference Types	`—disable-reference-types`	`WasmEdge_Proposal_ReferenceTypes`	✓	✓	✓
Bulk memory operations	`—disable-bulk-memory`	`WasmEdge_Proposal_BulkMemoryOperations`	✓	✓	✓
Fixed-width SIMD	`—disable-simd`	`WasmEdge_Proposal_SIMD`	✓	✓	✓
Tail call	`—enable-tail-call`	`WasmEdge_Proposal_TailCall`		✓	✓
Multiple memories	`—enable-multi-memory`	`WasmEdge_Proposal_MultiMemories`		✓	✓
Extended Constant Expressions	`—enable-extended-const`	`WasmEdge_Proposal_ExtendedConst`		✓	✓
Threads	`—enable-threads`	`WasmEdge_Proposal_Threads`		✓	✓

WasmEdge implements the following WASI proposals.