Can't find arm_neon.h in macOS 15.6.1

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anthony_gaudino OP

Created 5d

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I can't find the arm_neon.h header file in macOS 15.6.1

This header file defines NEON intrinsics.

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Answer 1

DTS Engineer OP

Apple

5d

You tagged your thread with metal-cpp so I’d like to clarify how Metal fits into this. Neon intrinsics are obviously limited to the GPU. So what’s up with Metal?

in macOS 15.6.1

Also, just to be clear, macOS doesn’t ship with any headers. You get headers when you install developer tools, either Xcode or the Command Line Tools package. So, which of those do you have installed? And what version?

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