pub fn i16x8_relaxed_q15mulr(a: v128, b: v128) -> v128
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on target_family="wasm" and target feature relaxed-simd and WebAssembly only.
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i16x8_relaxed_q15mulr 的宽松版本,如果两个 lanes 都是 i16::MIN,则结果是 i16::MINi16::MAX