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

[Wang Pengcheng via llvm-branch-commits]

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

Copy paste mistakes? Why all 0s?

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