__smlawt in core::arch::arm - Rust
Description: Insert a SMLAWT instruction
Keywords: rust, rustlang, rust-lang, __smlawt

# Function core::arch::arm::__smlawt
[−][src]

    pub unsafe fn __smlawt(a: i32, b: int16x2_t, c: i32) -> i32

🔬 This is a nightly-only experimental API. (`stdsimd` #48556)
This is supported on ARM only.
Expand description

Insert a SMLAWT instruction

Returns the equivalent of (a * b[1] + (c << 16)) >> 16 where [0] is the lower 16 bits and [1] is the upper 16 bits. Sets the Q flag if overflow occurs on the addition.