[PATCH] D92296: [AARCH64] Improve accumulator forwarding for Cortex-A57 model

[Dave Green via Phabricator via llvm-commits]

dmgreen added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64SchedA57.td:409
+// ASIMD shift by immed, basic
+def : InstRW<[A57Write_3cyc_1X], (instregex "^(U|S)?SHLL", "^SHL", "^SLI", "^SRI", "^(U|S)SHR", "^(U|S)(SHR|XTL)", "^SHRN")>;
 
----------------
This may be worth splitting off the non-forwarding parts into it's own commit to keep the unrelated changes separate.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92296/new/

https://reviews.llvm.org/D92296