[BUG] ndk-21d clang crashes with neon intrinsic instruction #1406
Comments
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Possible dup of #1248? |
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@DanAlbert Looks like you might have a new prebuilt for r21e (https://android-review.googlesource.com/c/platform/prebuilts/clang/host/linux-x86/+/1524308), which has the fix for #1248. Can you check if this is fixed in r21e? |
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Yeah, was going to post that here once I manage to get a build together. |
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The preprocessed source is no longer valid for the latest compiler: @1bsyl could you test using a build from https://android.googlesource.com/platform/ndk/+/master/docs/ContinuousBuilds.md? If it's fixed let us know, and if not, upload a fresh repro case? |
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It looks like those two constants are actually just backward. The newest arm_neon.h source has them the other way around, and if I swap them in the preprocessed source it compiles without crashing. I did have to make some other changes to the arguments that were used though because the cc1 args are not the same as they were in r21, so still need you to verify the fix on your end, @1bsyl. |
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ok thanks @DanAlbert, tested with |
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Excellent, thanks for following up :) |
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Aug 19, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Aug 23, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Aug 26, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
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Aug 26, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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this issue
Aug 26, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
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Aug 30, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
grendello
added a commit
to grendello/xamarin-android
that referenced
this issue
Aug 30, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream changes: * Includes Android 12 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's libunwind is now used instead of libgcc for all architectures rather than just 32-bit Arm. * [Issue 1231]: LLVM's libclang_rt.builtins is now used instead of libgcc. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [GitHub](https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases). * Vulkan tools source is also removed, specifically vulkan_wrapper. It should be downloaded upstream from [GitHub](https://github.com/KhronosGroup/Vulkan-Tools). * The toolchain file (android.toolchain.cmake) is refactored to base on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: ndk-build now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using scan-build. clang-tidy performs all the same checks by default, and scan-build was no longer working. See the bug for more details, but no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/
jonpryor
pushed a commit
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this issue
Aug 31, 2021
Context: https://github.com/android/ndk/wiki/Changelog-r23#changelog The most important changes for Xamarin.Android: NDK r23 removes GNU Binutils and so we need to switch to using our bundled copy of them. Upstream NDK r23changes: * Includes Android 12/API-31 APIs. * Updated LLVM to clang-r416183b, based on LLVM 12 development. * [Issue 1047]: Fixes crash when using ASan with the CFI unwinder. * [Issue 1096]: Includes support for [Polly]. Enable by adding `-mllvm -polly` to your cflags. * [Issue 1230]: LLVM's `libunwind` is now used instead of `libgcc` for all architectures rather than just 32-bit ARM. * [Issue 1231]: LLVM's `libclang_rt.builtins` is now used instead of `libgcc`. * [Issue 1406]: Fixes crash with Neon intrinsic. * Vulkan validation layer source and binaries are no longer shipped in the NDK. The latest are now posted directly to [KhronosGroup/Vulkan-ValidationLayers]. * Vulkan tools source is also removed, specifically `vulkan_wrapper`. It should be downloaded upstream from [KhronosGroup/Vulkan-Tools]. * Refactored the toolchain file `android.toolchain.cmake`, basing it on CMake's integrated Android support. This new toolchain file will be enabled by default for CMake 3.21 and newer. No user side change is expected. But if anything goes wrong, please file a bug and set `ANDROID_USE_LEGACY_TOOLCHAIN_FILE=ON` to restore the legacy behavior. * When using the new behavior (when using CMake 3.21+ and not explicitly selecting the legacy toolchain), **default build flags may change**. One of the primary goals was to reduce the behavior differences between our toolchain and CMake, and CMake's default flags do not always match the legacy toolchain file. Most notably, if using `CMAKE_BUILD_TYPE=Release`, your optimization type will likely be `-O3` instead of `-O2` or `-Oz`. See [Issue 1536] for more information. * [Issue 929]: `find_library` now prefers shared libraries from the sysroot over static libraries. * [Issue 1390]: `ndk-build` now warns when building a static executable with the wrong API level. * [Issue 1452]: `NDK_ANALYZE=1` now sets `APP_CLANG_TIDY=true` rather than using `scan-build`. `clang-tidy` performs all the same checks by default, and `scan-build` was no longer working. See [Issue 1452] for more details; no user-side changes should be needed. [Issue 929]: android/ndk#929 [Issue 1047]: android/ndk#1047 [Issue 1096]: android/ndk#1096 [Issue 1230]: android/ndk#1230 [Issue 1231]: android/ndk#1231 [Issue 1390]: android/ndk#1390 [Issue 1406]: android/ndk#1406 [Issue 1452]: android/ndk#1452 [Issue 1536]: android/ndk#1536 [Polly]: https://polly.llvm.org/ [KhronosGroup/Vulkan-ValidationLayers]: https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases [KhronosGroup/Vulkan-Tools]: https://github.com/KhronosGroup/Vulkan-Tools
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ndk-21d clang crashes with neon intrinsic instruction
in "Running pass 'Simple Register Coalescing'"
Android (6454773 based on r365631c2) clang version 9.0.8
(https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
Target: aarch64-none-linux-android21
this doesn't happen with ndk-r22
files.tar.gz
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