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| author | Seo Sanghyeon <sanxiyn@gmail.com> | 2016-12-19 16:59:37 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-12-19 16:59:37 +0900 |
| commit | d38beccdc441e6023f084e16281a530e05b6bb0a (patch) | |
| tree | 826864dbdb9f361ac97dd327a85e7b055309fed5 /src/libstd | |
| parent | 0c4e1db935eb972c8e3afc7c15f48834dadaae3f (diff) | |
| parent | 9e01f76349ec358009099dd5dc87b921960defc2 (diff) | |
| download | rust-d38beccdc441e6023f084e16281a530e05b6bb0a.tar.gz rust-d38beccdc441e6023f084e16281a530e05b6bb0a.zip | |
Rollup merge of #38413 - rillian:armv7-neon, r=alexcrichton
rustc: Disable NEON on armv7 android. We thought Google's ABI for arvm7 required neon, but it is currently optional, perhaps because there is a significant population of Tegra 2 devices still in use. This turns off neon code generation outside #[target-feature] blocks just like we do on armv7-unknown-linux-gnu, but unlike most other armv7 targets. LLVM defaults to +neon for this target, so an explicit disable is necessary. See https://developer.android.com/ndk/guides/abis.html#v7a for instruction set extension requirements. Closes #38402.
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