[PATCH] D75594: [AArch64] Add support for Fujitsu A64FX

[Dave Green via Phabricator via llvm-commits]

dmgreen added reviewers: sdesmalen, SjoerdMeijer, dmgreen.
dmgreen added a comment.

Sounds good. Should there be some clang tests? For example in clang/test/Driver/aarch64-cpus.c

The technical paper mentions dotprod. I presume it means SVE dotprod, not AEK_DOTPROD?



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Comment at: llvm/lib/Target/AArch64/AArch64Subtarget.cpp:94
+    PrefFunctionLogAlignment = 5;
+    PrefLoopLogAlignment = 5;
+    break;
----------------
A 32byte loop alignment sounds very high. Are you sure executing that many NOP's will be beneficial?


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