[PATCH] D100026: [X86] Support AMX fast register allocation

Xiang Zhang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Apr 24 18:41:36 PDT 2021


xiangzhangllvm added inline comments.


================
Comment at: llvm/lib/Target/X86/X86LowerAMXType.cpp:144
       Row = II->getArgOperand(2);
+      // FIXME: There is a design bug for AMX shape, which the Col should be
+      // Col/4 if it will be used as Row, but current Greedy RA can't handle
----------------
And add Fixme: at LowAMXType


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100026/new/

https://reviews.llvm.org/D100026



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