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fix simd_bitmask docs #378

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Dec 3, 2023
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fix simd_bitmask docs #378

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3 changes: 2 additions & 1 deletion crates/core_simd/src/intrinsics.rs
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Expand Up @@ -132,9 +132,10 @@ extern "platform-intrinsic" {
// `fn simd_bitmask(vector) -> unsigned integer` takes a vector of integers and
// returns either an unsigned integer or array of `u8`.
// Every element in the vector becomes a single bit in the returned bitmask.
// If the vector has less than 8 lanes, a u8 is returned with zeroed trailing bits.
// The bit order of the result depends on the byte endianness. LSB-first for little
// endian and MSB-first for big endian.
// If the vector has less than 8 lanes, the mask lives in the least-significant bits
// (e.g., [true, false] becomes `0b01` on little endian and `0b10` on big endian).
//
// UB if called on a vector with values other than 0 and -1.
#[allow(unused)]
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