_mm_madd_epi16 in core::arch::x86_64 - Rust
Description: Multiplies and then horizontally add signed 16 bit integers in `a` and `b`.

core::arch::x86_64

# Function _mm_madd_epi16

1.27.0 · source

    pub unsafe fn _mm_madd_epi16(a: __m128i, b: __m128i) -> __m128i

Available on (x86 or x86-64) and target feature `sse2` and x86-64 only.
Expand description

Multiplies and then horizontally add signed 16 bit integers in `a` and `b`.

Multiplies packed signed 16-bit integers in `a` and `b`, producing intermediate signed 32-bit integers. Horizontally add adjacent pairs of intermediate 32-bit integers.

Intel’s documentation