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Is there any evidence that Apple has an LLVM compiler with these extensions, versus using asm blocks within the Accelerate library source? There's certainly pr
by gsnedders 6y ago
Is there any evidence that Apple has an LLVM compiler with these extensions, versus using asm blocks within the Accelerate library source?
There's certainly prior cases of Apple shipping branches of LLVM (most notably adding arm64 support, which took about half a year to merge in upstream), but the mere existence of these instructions is little evidence of any branch?
- floatingatoll 6y agoI have heard of none, though I do not speak for others.
- saagarjha 6y agoNo idea what the story is with AMX instructions, but Apple has been shipping an arm64e compiler for quite a while with changes that have not been upstreamed.