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_mm_maskmoveu_si128 requires mutable in-bounds memory even when it does nothing #2196

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_mm_maskmoveu_si128 requires mutable in-bounds memory even when it does nothing #2196

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3 changes: 2 additions & 1 deletion crates/core_arch/src/x86/sse2.rs
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Expand Up @@ -1353,7 +1353,8 @@ pub const unsafe fn _mm_loadu_si128(mem_addr: *const __m128i) -> __m128i {
/// corresponding element.
///
/// `mem_addr` should correspond to a 128-bit memory location and does not need
/// to be aligned on any particular boundary.
/// to be aligned on any particular boundary. The memory range starting at `mem_addr`
/// and going on for 16 bytes must be contained in a mutable allocation, even if `mask` is all-0.
///
/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_maskmoveu_si128)
///
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