user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

correct _mm_insert_ps documentation

Browse source
This commit is contained in:
Kalle Wachsmuth 2024-02-29 22:35:11 +01:00 • committed by Amanieu d'Antras
parent b297b58bc2
commit bff78e1767
1 changed files with 12 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

24
library/stdarch/crates/core_arch/src/x86/sse41.rs
View file

@ -234,25 +234,25 @@ pub unsafe fn _mm_extract_epi32<const IMM8: i32>(a: __m128i) -> i32 {
simd_extract!(a.as_i32x4(), IMM8 as u32, i32)
}
/// Select a single value in `a` to store at some position in `b`,
/// Select a single value in `b` to store at some position in `a`,
/// Then zero elements according to `IMM8`.
///
/// `IMM8` specifies which bits from operand `a` will be copied, which bits in
/// `IMM8` specifies which bits from operand `b` will be copied, which bits in
/// the result they will be copied to, and which bits in the result will be
/// cleared. The following assignments are made:
///
/// * Bits `[7:6]` specify the bits to copy from operand `a`:
/// - `00`: Selects bits `[31:0]` from operand `a`.
/// - `01`: Selects bits `[63:32]` from operand `a`.
/// - `10`: Selects bits `[95:64]` from operand `a`.
/// - `11`: Selects bits `[127:96]` from operand `a`.
/// * Bits `[7:6]` specify the bits to copy from operand `b`:
/// - `00`: Selects bits `[31:0]` from operand `b`.
/// - `01`: Selects bits `[63:32]` from operand `b`.
/// - `10`: Selects bits `[95:64]` from operand `b`.
/// - `11`: Selects bits `[127:96]` from operand `b`.
///
/// * Bits `[5:4]` specify the bits in the result to which the selected bits
/// from operand `a` are copied:
/// - `00`: Copies the selected bits from `a` to result bits `[31:0]`.
/// - `01`: Copies the selected bits from `a` to result bits `[63:32]`.
/// - `10`: Copies the selected bits from `a` to result bits `[95:64]`.
/// - `11`: Copies the selected bits from `a` to result bits `[127:96]`.
/// from operand `b` are copied:
/// - `00`: Copies the selected bits from `b` to result bits `[31:0]`.
/// - `01`: Copies the selected bits from `b` to result bits `[63:32]`.
/// - `10`: Copies the selected bits from `b` to result bits `[95:64]`.
/// - `11`: Copies the selected bits from `b` to result bits `[127:96]`.
///
/// * Bits `[3:0]`: If any of these bits are set, the corresponding result
/// element is cleared.