compiler_rt: add __cmpXi2 and __ucmpXi2

- adds __cmpsi2, __cmpdi2, __cmpti2
- adds __ucmpsi2, __ucmpdi2, __ucmpti2
- use 2 if statements with 2 temporaries and a constant
- tests: MIN, MIN+1, MIN/2, -1, 0, 1, MAX/2, MAX-1, MAX if applicable

See #1290
20328e976fJan Philipp Hafer committed on 12/14/2021, 10:21:30 PM· committed by Andrew Kelleyparent0550198
9 files changedLine totals unavailable