[llvm-branch-commits] [llvm][lld][RISCV] Support x3_reg_usage (PR #84598)

[Paul Kirth via llvm-branch-commits]

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@@ -47,6 +48,15 @@ enum AtomicABI : unsigned {
 };
 } // namespace RISCVAtomicAbiTag
 
+namespace RISCVX3RegUse {
+enum X3RegUsage : unsigned {
+  UNKNOWN = 0,
+  GP = 0,
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ilovepi wrote:

ugh, you are correct. I haven't tested this properly yet, since I'm not 100% sure what the correct way to add the attribute will be. But I'll up date these to have the proper values from the psABI.

https://github.com/llvm/llvm-project/pull/84598