Function core::arch::x86::_mm_ceil_ss

pub unsafe fn _mm_ceil_ss(a: __m128, b: __m128) -> __m128

This is supported on x86 and target feature sse4.1 only.

Round the lower single-precision (32-bit) floating-point element in b up to an integer value, store the result as a single-precision floating-point element in the lower element of the intrinsic result, and copy the upper 3 packed elements from a to the upper elements of the intrinsic result.

Intel's documentation