umulp is more delay intensive than regular umul

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#1,810 opened on Dec 20, 2024 6 comments 0 reactions 0 assignees View on GitHub

bug codegen delay model

Description

**Describe the bug**
`umulp` characterization show more delay than `a * b` for asap7.

**Expected behavior**

`umulp` should take less time that `a*b`

**Screenshots**
`a * b` yield the following delay preview:
![Image](https://github.com/user-attachments/assets/fc37187a-20fc-439a-9a04-bf17962ca3ea)

`umulp(a, b)` yield the following delay preview:
![Image](https://github.com/user-attachments/assets/ea886f04-7cea-4c5e-ab49-9fbc93e58a00)

This issue has not been assessed yet.