[PATCH] D43486: [mips] Spectre variant two mitigation for MIPSR2

[Simon Atanasyan via Phabricator via llvm-commits]

atanasyan added inline comments.


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Comment at: lib/Target/Mips/MipsLongBranch.cpp:389
+            Subtarget.useIndirectJumpsHazard() ? Mips::JR_HB : Mips::JR;
+        BuildMI(*BalTgtMBB, Pos, DL, TII->get(JROp)).addReg(Mips::AT);
 
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Just to check that I understand the code above properly - in case of targeting mips32r6 and using the +use-indirect-jump-hazard feature we will emit the `jr.hb` instruction and fill up the dealt slot. Right?


Repository:
  rL LLVM

https://reviews.llvm.org/D43486