Function core::arch::arm::__smulwb

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

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on (non-crate feature miri-test-libstd or test or doctest) and ARM only.

Insert a SMULWB instruction

Multiplies the 32-bit signed first operand with the low halfword (as a 16-bit signed integer) of the second operand. Return the top 32 bits of the 48-bit product