Issues

• Potential missed optimization: -O3 does not simplify H; X; H to Z

  softwareQinc/staq#99 · Filter by author jangyoujin0917 opened on Nov 9, 2026

• Potential missed optimization: -O3 misses CNOT cancellation across equivalent CZ decompositions

  softwareQinc/staq#98 · Filter by author jangyoujin0917 opened on Nov 9, 2026

• Potential missed optimization: adjacent swap, cz, and cy pairs are not cancelled

  softwareQinc/staq#97 · Filter by author jangyoujin0917 opened on Nov 9, 2026

• Potential missed optimization: --cnot-resynth can increase the CNOT count

  softwareQinc/staq#95 · Filter by author jangyoujin0917 opened on Oct 27, 2026

• CLI crashes on (1) integer literals >= 2^31 and (2) device couplings with fidelity 0

  softwareQinc/staq#93 · Filter by author jounipeltonen-jyu opened on Oct 23, 2026
  1

• -O2/-O3 leave a self-cancelling CCX pair behind that --simplify/-O1 remove on their own

  softwareQinc/staq#91 · Filter by author jangyoujin0917 opened on Sep 18, 2026

• --cnot-resynth emit qelib1 gate names without declaring them

  softwareQinc/staq#90 · Filter by author jangyoujin0917 opened on Sep 16, 2026

• Question: how to compile into a specific gate set?

  softwareQinc/staq#77 · Filter by author ashsaki opened on Apr 21, 2024

• Changing qubit register names of input circuit affects compiled circuit

  softwareQinc/staq#52 · Filter by author Gurleenp opened on Apr 3, 2023
  4

  

• Oracle synthesis: verilog array format?

  enhancement
  softwareQinc/staq#48 · Filter by author gribeill opened on Apr 13, 2022
  1

• Mismatch issues of the rz

  softwareQinc/staq#45 · Filter by author vsoftco opened on Jan 17, 2022

• Optimization by self-annihilating sequences

  enhancement
  softwareQinc/staq#37 · Filter by author DevelopDaily opened on Feb 2, 2021
  2