[PATCH] D127812: [AArch64] FMV support and necessary target features dependencies.

[Pavel Iliin via Phabricator via cfe-commits]

ilinpv added a comment.

In D127812#4008451 <https://reviews.llvm.org/D127812#4008451>, @paulkirth wrote:

> Hi, we're seeing a build failure in Fuchsia's Clang CI. We're seeing this on all of our builders: arm64 & x64 linux, mac and windows
>
>   FAILED: CMakeFiles/clang_rt.builtins-aarch64.dir/cpu_model.c.o 
>   /b/s/w/ir/x/w/recipe_cleanup/cxx-rbevgw5lbzc/reclient-cxx-wrapper.sh /b/s/w/ir/x/w/staging/llvm_build/./bin/clang --target=aarch64-unknown-linux-gnu --sysroot=/b/s/w/ir/x/w/cipd/linux -DHAS_ASM_LSE -DVISIBILITY_HIDDEN  --target=aarch64-unknown-linux-gnu -O2 -g -DNDEBUG -DCOMPILER_RT_HAS_FLOAT16 -std=c11 -fPIC -fno-builtin -fvisibility=hidden -fomit-frame-pointer -MD -MT CMakeFiles/clang_rt.builtins-aarch64.dir/cpu_model.c.o -MF CMakeFiles/clang_rt.builtins-aarch64.dir/cpu_model.c.o.d -o CMakeFiles/clang_rt.builtins-aarch64.dir/cpu_model.c.o -c /b/s/w/ir/x/w/llvm-llvm-project/compiler-rt/lib/builtins/cpu_model.c
>   ../../../../llvm-llvm-project/compiler-rt/lib/builtins/cpu_model.c:1233:15: error: use of undeclared identifier 'HWCAP_CPUID'
>     if (hwcap & HWCAP_CPUID) {
>                 ^
>   1 error generated.
>
> Bot: https://ci.chromium.org/ui/p/fuchsia/builders/toolchain.ci/clang-linux-x64-rbe/b8794244402291698129/overview
>
> Can you revert if the fix is going to be hard. I imagine in this case the preprocessor logic is slightly off, so a forward fix may be easy.

Thanks for report, fixed in a43f36142c501e2d3f4797ef938db4e0c5e0eeec <https://reviews.llvm.org/rGa43f36142c501e2d3f4797ef938db4e0c5e0eeec>


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