Constant core::arch::x86::_SIDD_CMP_RANGES

pub const _SIDD_CMP_RANGES: i32 = 0b0000_0100;

Available on x86 and (x86 or x86-64) only.

对于 a 中的每个字符，确定 b[0] <= c <= b[1] or b[1] <= c <= b[2]...