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Fix codegen in 128bit atomic CAS#8403

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davebayer merged 1 commit intoNVIDIA:mainfrom
sleeepyjack:128b_atomic_fix
Apr 14, 2026
Merged

Fix codegen in 128bit atomic CAS#8403
davebayer merged 1 commit intoNVIDIA:mainfrom
sleeepyjack:128b_atomic_fix

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Fixes #8402

@sleeepyjack sleeepyjack requested a review from a team as a code owner April 13, 2026 23:14
@sleeepyjack sleeepyjack requested a review from davebayer April 13, 2026 23:14
@github-project-automation github-project-automation bot moved this to Todo in CCCL Apr 13, 2026
@cccl-authenticator-app cccl-authenticator-app bot moved this from Todo to In Review in CCCL Apr 13, 2026
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🥳 CI Workflow Results

🟩 Finished in 1h 30m: Pass: 100%/108 | Total: 2d 00h | Max: 1h 12m | Hits: 89%/282503

See results here.

@bernhardmgruber bernhardmgruber requested a review from wmaxey April 14, 2026 06:59
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wmaxey commented Apr 14, 2026

Fuel for the fire to stop bundling architectures in libcu++ tests. We really need them to be separate and this is evidence of that.

@davebayer davebayer merged commit 1898944 into NVIDIA:main Apr 14, 2026
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@github-project-automation github-project-automation bot moved this from In Review to Done in CCCL Apr 14, 2026
github-actions bot pushed a commit that referenced this pull request Apr 14, 2026
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Successfully created backport PR for branch/3.3.x:

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[BUG]: atomic_ref<U128>::compare_exchange_strong writes garbled data due to incorrect PTX operand indices

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