================
@@ -106,9 +111,14 @@ static void emitSCSEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB,
CSI, [&](CalleeSavedInfo &CSR) { return CSR.getReg() == RAReg; }))
return;
+ const RISCVInstrInfo *TII = STI.getInstrInfo();
+ if (STI.hasFeature(RISCV::FeatureStdExtZicfiss)) {
----------------
topperc wrote:
Do we need an enable other than just the feature being in -march? The shadow
stack pointer has to be set up when the application starts. Is this done by
the kernel?
My concern is that if your -mcpu supports Zicfiss, but the kernel doesn't, this
will generate code that doesn't work.
https://github.com/llvm/llvm-project/pull/68075
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
