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Add armv7-linux-androideabi target This PR adds `armv7-linux-androideabi` target that matches `armeabi-v7a` Android ABI, ~~downscales `arm-linux-androideabi` target to match `armeabi` Android ABI~~ (TBD later if needed). This should allow us to get the best performance from every [Android ABI level](http://developer.android.com/ndk/guides/abis.html). Currently existing target `arm-linux-androideabi` started gaining features out of the supported range of [android `armeabi`](http://developer.android.com/ndk/guides/abis.html). While android compiler does not use a different target for later supported `armv7` architecture, it has distinct ABI name `armeabi-v7a`. We decided to add rust target `armv7-linux-androideabi` to match it. Note that `NEON`, `VFPv3-D32`, and `ThumbEE` instruction sets are not added, because not all android devices are guaranteed to support all or some of these, and [their availability should be checked at runtime](http://developer.android.com/ndk/guides/abis.html#v7a). ~~This reduces performance of existing `arm-linux-androideabi` and may make it _much_ slower (we are talking more than order of magnitude in some random ad-hoc fp benchmark that I did).~~ Part of #33278. |
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| .. | ||
| cfg | ||
| clean.mk | ||
| crates.mk | ||
| ctags.mk | ||
| debuggers.mk | ||
| dist.mk | ||
| docs.mk | ||
| grammar.mk | ||
| host.mk | ||
| install.mk | ||
| llvm.mk | ||
| main.mk | ||
| platform.mk | ||
| prepare.mk | ||
| reconfig.mk | ||
| rt.mk | ||
| rustllvm.mk | ||
| stage0.mk | ||
| target.mk | ||
| tests.mk | ||
| util.mk | ||