[PATCH] D105236: [PowerPC] Implament Atomic Load and Stores Builtins

Nemanja Ivanovic via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Jul 5 08:41:37 PDT 2021


nemanjai added inline comments.


================
Comment at: llvm/lib/Target/PowerPC/PPCInstr64Bit.td:1724
+
+let Predicates = [HasP8Altivec] in {
+  def : Pat<(int_ppc_stdcx xoaddr:$dst, g8rc:$A),
----------------
lkail wrote:
> IIRC, `l(w|d)arx`, `st(w|d)cx` are supported very early and don't need altivec support.
Agreed. This does not require ISA 2.07 and definitely doesn't require Altivec.


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105236/new/

https://reviews.llvm.org/D105236



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