请问aarch64-linux-android-clang++ 支持neon 指令集编译吗？用neon指令集 写了一个算法， 相同的代码用aarch64-linux-android-gcc 可以编译过，aarch64-linux-android-clang++ 一直出错：
pengfei@ubuntu:/mnt/hgfs/share/test$ make
aarch64-linux-android-clang++ ./cost_accumulation.s ./case_cost_accumulation.c -o case_cost_accumulation
clang50++: warning: treating \'c\' input as \'c++\' when in C++ mode, this behavior is deprecated [-Wdeprecated]
/tmp/case_cost_accumulation-23c6f2.o: In function `main\':
./case_cost_accumulation.c:(.text+0x334): undefined reference to `asm_cost_accumulation(unsigned long, unsigned long, unsigned short, unsigned short, unsigned short, unsigned short, unsigned short, unsigned short)\'
clang50++: error: linker command failed with exit code 1 (use -v to see invocation)
make: * [case_cost_accumulation] Error 1
sm_cost_accumulation（）函数使用neon指令集编写的，clang++一直提示找不到该函数，怀疑是clang++不支持neon指令， gcc下是可以编译过的 |
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