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Make documentation about __mm_$op_ps more precise #1643

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Sep 22, 2024
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Make documentation about __mm_$op_ps more precise #1643

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12 changes: 8 additions & 4 deletions crates/core_arch/src/x86/sse.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,8 @@ pub unsafe fn _mm_add_ss(a: __m128, b: __m128) -> __m128 {
simd_insert!(a, 0, _mm_cvtss_f32(a) + _mm_cvtss_f32(b))
}

/// Adds __m128 vectors.
/// Adds packed single-precision (32-bit) floating-point elements in `a` and
/// `b`.
///
/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_add_ps)
#[inline]
Expand All @@ -45,7 +46,8 @@ pub unsafe fn _mm_sub_ss(a: __m128, b: __m128) -> __m128 {
simd_insert!(a, 0, _mm_cvtss_f32(a) - _mm_cvtss_f32(b))
}

/// Subtracts __m128 vectors.
/// Subtracts packed single-precision (32-bit) floating-point elements in `a` and
/// `b`.
///
/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sub_ps)
#[inline]
Expand All @@ -68,7 +70,8 @@ pub unsafe fn _mm_mul_ss(a: __m128, b: __m128) -> __m128 {
simd_insert!(a, 0, _mm_cvtss_f32(a) * _mm_cvtss_f32(b))
}

/// Multiplies __m128 vectors.
/// Multiplies packed single-precision (32-bit) floating-point elements in `a` and
/// `b`.
///
/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_mul_ps)
#[inline]
Expand All @@ -91,7 +94,8 @@ pub unsafe fn _mm_div_ss(a: __m128, b: __m128) -> __m128 {
simd_insert!(a, 0, _mm_cvtss_f32(a) / _mm_cvtss_f32(b))
}

/// Divides __m128 vectors.
/// Divides packed single-precision (32-bit) floating-point elements in `a` and
/// `b`.
///
/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_div_ps)
#[inline]
Expand Down