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| author | Christoph Müllner <christoph.muellner@vrull.eu> | 2023-08-23 07:46:28 +0200 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-09-06 09:27:43 -0300 |
| commit | 3d6fcf1bd7f462d333c36a14efc0e03f2fdd3f9e (patch) | |
| tree | 773c257487ce30d630043e9a30f1894c15f1f65b /stdlib/tst-setcontext3.sh | |
| parent | 3bf7bab88b0da01d4f5ef20afbbb45203185501e (diff) | |
| download | glibc-3d6fcf1bd7f462d333c36a14efc0e03f2fdd3f9e.tar.gz glibc-3d6fcf1bd7f462d333c36a14efc0e03f2fdd3f9e.tar.xz glibc-3d6fcf1bd7f462d333c36a14efc0e03f2fdd3f9e.zip | |
riscv: Add support for XTheadBb in string-fz[a,i].h
XTheadBb has similar instructions like Zbb, which allow optimized string processing: * th.ff0: find-first zero is a CLZ instruction. * th.tstnbz: Similar like orc.b, but with a bit-inverted result. The instructions are documented here: https://github.com/T-head-Semi/thead-extension-spec/tree/master/xtheadbb These instructions can be found in the T-Head C906 and the C910. Tested with the string tests. Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'stdlib/tst-setcontext3.sh')
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