Validate: update ArchRegState only when commit or event #488
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When Squash enabled, previous squashed instrCommit may be submitted with new-coming updated ArchRegState, which results in reg mismatch with REF. In difftest software side, we will only use ArchRegState when instrCommit or event (progress = true in code), so we add updateDependency for ArchRegState to ensure using corresponding ones with squashed commits, just like we add for CSR before.
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Tested on XiangShan. It works well and fix previous squash-mismatch in some rvv-tests. |
poemonsense
approved these changes
Oct 30, 2024
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When Squash enabled, previous squashed instrCommit may be submitted with new-coming updated ArchRegState, which results in reg mismatch with REF.
In difftest software side, we will only use ArchRegState when instrCommit or event (progress = true in code), so we add updateDependency for ArchRegState to ensure using corresponding ones with squashed commits, just like we add for CSR before.