bff53b2617
* Current version is also based on newlib, but an older revision
* The Krait and A9 specific changes no longer seem relevant, so
let's use A15 directly.
Tested on OnePlus 3 (MSM8996):
Before (Krait strcmp):
iterations ns/op
BM_string_strcmp/8 1000k 24 0.322 GiB/s
BM_string_strcmp/64 20M 123 0.519 GiB/s
BM_string_strcmp/512 2M 920 0.556 GiB/s
BM_string_strcmp/1024 1000k 1818 0.563 GiB/s
BM_string_strcmp/8Ki 200k 14405 0.569 GiB/s
BM_string_strcmp/16Ki 100k 28762 0.570 GiB/s
BM_string_strcmp/32Ki 50k 57526 0.570 GiB/s
BM_string_strcmp/64Ki 10k 114959 0.570 GiB/s
After:
iterations ns/op
BM_string_strcmp/8 1000k 28 0.284 GiB/s
BM_string_strcmp/64 20M 107 0.596 GiB/s
BM_string_strcmp/512 2M 800 0.639 GiB/s
BM_string_strcmp/1024 1000k 1579 0.649 GiB/s
BM_string_strcmp/8Ki 200k 12469 0.657 GiB/s
BM_string_strcmp/16Ki 100k 24931 0.657 GiB/s
BM_string_strcmp/32Ki 50k 49843 0.657 GiB/s
BM_string_strcmp/64Ki 20k 99635 0.658 GiB/s
Test: bionic-benchmarks BM_string_memcmp
Change-Id: Icb3bfb0a381bcc1e10885ca5e9547842c3f620d7
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