This what was generated with clang / gcc x64 with O2/O3 flag on godbolt.org abs_branchless(int): mov eax, edi neg eax cmovs

This what was generated with clang / gcc x64 with O2/O3 flag on godbolt.org abs_branchless(int): mov eax, edi neg eax cmovs eax, edi ret abs_branch(int): mov eax, edi neg eax cmovs eax, edi ret