[clang] [clang] [ARM] Explicitly enable NEON for Windows/Darwin targets (PR #122095)

[David Spickett via cfe-commits]

DavidSpickett wrote:

> In practice, when compiling C for Windows/ARMv7, NEON actually still is available, but not when compiling assembly files. 

So the "bug" if we're going to call it that, is that C code can produce Neon but assembly files compiled in the same way cannot use Neon instructions?

Or has it always worked for C and assembly, and this only changes how the Neon feature is communicated?



https://github.com/llvm/llvm-project/pull/122095