Why are some port/terminal routes not straight?

[chrisgelinek-rl]

In this technology, the M2 routing pitch is 1.4um and 5.6 is a multiple thereof, so why did the MODE route do this S shape / zigzag instead of coming straight to the top?

[maliberty]

Without a test case there is no easy way to know.

[chrisgelinek-rl]

OK, I had built the gcd example with the gf180 platform and found at least two instances of such routes:

and

Here's a testcase - note that this is using our own makefile wrappers around the OR flow which may complicate things unnecessarily but just in case you cannot reproduce the issue with the original flow contents:

detail_route_gcd_gf180_base_2025-03-26_10-17.tar.gz

[maliberty]

@osamahammad21 please take a look