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| author | Heiko Carstens <hca@linux.ibm.com> | 2025-08-04 17:08:54 +0200 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2025-08-20 16:38:23 +0200 |
| commit | de88e74889a30bd9ff4047726021cde857348b4b (patch) | |
| tree | 1dd8ecc103aa0870d9b6ff09dddd8f419c20881d /rust/helpers/helpers.c | |
| parent | f9de6cdf4cf8c932ee94f6e25cd7434a97c78bf3 (diff) | |
s390/bitops: Slightly optimize ffs() and fls64()
Use a simpler algorithm to calculate the result of ffs() and fls64().
This generates slightly better code and increases readability.
Kernel image size is reduced by ~3kb (gcc 15.1.0 + defconfig).
Suggested-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'rust/helpers/helpers.c')
0 files changed, 0 insertions, 0 deletions