Function localTee

deps/v8/test/mjsunit/wasm/simd-fp16.js:16–16

(idx, val)

  const splatFloat = (f) => [wasmF32Const(f), kSimdPrefix, kExprF16x8Splat];
  const simdBin = (op, lhs, rhs) => [lhs, rhs, kSimdPrefix, op];
  const localTee = (idx, val) => [val, kExprLocalTee, idx];
  builder.addFunction("main", kSig_v_v)
    .addLocals(kWasmS128, 1)
    .addBody([