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| author | Robin Murphy <robin.murphy@arm.com> | 2020-06-16 01:09:29 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-01 22:19:31 +0100 |
| commit | 26751de25d255eab7132a8024a893609456996e6 (patch) | |
| tree | adc12a0981341388ab0b16932168cfe176ff12ca /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | afe7e36360f4c981fc03ef07a81cb4ce3d567325 (diff) | |
spi: bcm2835: Micro-optimise FIFO loops
The blind and counted loops are always called with nonzero count, so
convert them to do-while loops that lead to slightly more efficient
code generation. With GCC 8.3 this shaves off 1-2 instructions per
iteration in each case.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/9242863077acf9a64e4b3720e479855b88d19e82.1592261248.git.robin.murphy@arm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions