Function cranelift_codegen::isa::registers::regs_overlap

pub fn regs_overlap(
    rc1: RegClass, 
    reg1: RegUnit, 
    rc2: RegClass, 
    reg2: RegUnit
) -> bool

Test of two registers overlap.

A register is identified as a (RegClass, RegUnit) pair. The register class is needed to determine the width (in regunits) of the register.