[Cranelift] add type-aware imm64 constant folding operations#12826

bongjunj wants to merge 3 commits intobytecodealliance:mainbytecodealliance/wasmtime:mainfrom

prosyslab:feat-imm64-const-foldingprosyslab/wasmtime:feat-imm64-const-foldingCopy head branch name to clipboard