ouroboros/cmake/utils/CPUUtils.cmake, branch beOuroboros main repositoryhttp://www.ouroboros.rocks/cgit/ouroboros/atom?h=be2026-05-06T07:05:08+00:00lib: Fix and clean up crc implementation2026-05-06T07:05:08+00:00Dimitri Staessensdimitri@ouroboros.rocks2026-04-29T20:23:09+00:00urn:sha1:146ba945e23c2266d5e31035135b5d158d1256e8
Fixes detection of PMULL on aarch64 without crypto extensions. Adds a
crc64_nvme_step helper function in CRC64 to avoid code
duplication and cleans up the comments.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
cmake: Add CPU feature detection helper2026-05-06T07:04:22+00:00Dimitri Staessensdimitri@ouroboros.rocks2026-04-25T20:21:49+00:00urn:sha1:77fdc9f1d162b2307d7752d56930710858f702b4
Add cmake/utils/CPUUtils.cmake providing detect_cpu_feature() plus
detect_pclmul() and detect_pmull() that compile-test for x86
PCLMULQDQ+SSE4.1 and aarch64 FEAT_PMULL respectively.
This will be useful for hardware accelerated CRC64/NVMe integrity
checks.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>