[clang] [llvm] riscv: Support -mstack-protector-guard=tls (PR #108942)

[Craig Topper via cfe-commits]

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@@ -3664,12 +3680,18 @@ static void RenderSSPOptions(const Driver &D, const ToolChain &TC,
           << A->getOption().getName() << Value;
       return;
     }
+    if (EffectiveTriple.isRISCV() && (Offset <= -2048 || Offset >= 2048)) {
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topperc wrote:

I don't know a lot about stack protector. Where does this range come from? Is this trying to be 12-bit signed immediate? If so it should exclude 2048.

https://github.com/llvm/llvm-project/pull/108942