[PATCH v3 0/3] eal: provide leading and trailing zero bit count
Tyler Retzlaff
roretzla at linux.microsoft.com
Fri Jan 6 23:01:42 CET 2023
Move existing bit manipulation, log and npow functions from
rte_common.h to rte_bitops.h
Provide leading and trailing zero bit count functions to abstract away
compiler specific implementations.
Include basic unit test for new leading/trailing zero bit count functions.
v3:
* rename to use 32/64 instead of l/ll suffixes
* add new functions to rte_bitops.h instead of new header
* move other bit functions from rte_common.h to rte_bitops.h
v2:
* use unsigned int instead of unsigned (checkpatches)
* match multiple include guard naming convention to rte_common.h
* add explicit extern "C" linkage to rte_bitcount.h
note: not really needed but checkpatches required
* add missing space around '-'
Tyler Retzlaff (3):
eal: move bit functions from common to bitops header
eal: provide leading and trailing zero bit count abstraction
test/bitcount: add bitcount tests
app/test/meson.build | 2 +
app/test/test_bitcount.c | 71 +++++++
app/test/test_common.c | 1 +
lib/eal/common/rte_reciprocal.c | 1 +
lib/eal/include/rte_bitops.h | 460 ++++++++++++++++++++++++++++++++++++++++
lib/eal/include/rte_common.h | 293 -------------------------
6 files changed, 535 insertions(+), 293 deletions(-)
create mode 100644 app/test/test_bitcount.c
--
1.8.3.1
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