[PATCH] D82178: [AArch64][SVE] Guard svbfloat16_t with feature macro in ACLE

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen added inline comments.


================
Comment at: clang/utils/TableGen/SveEmitter.cpp:1091
+  OS << "#if defined(__ARM_FEATURE_SVE_BF16)\n";
+  OS << "typedef __SVBFloat16_t svbfloat16_t;\n";
+  OS << "#endif\n\n";
----------------
Can you also add an error if `__ARM_FEATURE_SVE_BF16` is defined, but `__ARM_FEATURE_BF16_SCALAR_ARITHMETIC` isn't?
something like:
```#ifndef __ARM_FEATURE_BF16_SCALAR_ARITHMETIC
#error "__ARM_FEATURE_BF16_SCALAR_ARITHMETIC must be defined when __ARM_FEATURE_SVE_BF16 is defined"
#endif
```


Repository:
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  https://reviews.llvm.org/D82178/new/

https://reviews.llvm.org/D82178