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-rw-r--r--llvm/lib/Target/CSKY/CSKYRegisterInfo.td5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/CSKY/CSKYRegisterInfo.td b/llvm/lib/Target/CSKY/CSKYRegisterInfo.td
index 7548c22bb2c5..ade5c7f795af 100644
--- a/llvm/lib/Target/CSKY/CSKYRegisterInfo.td
+++ b/llvm/lib/Target/CSKY/CSKYRegisterInfo.td
@@ -168,6 +168,11 @@ def mGPR : RegisterClass<"CSKY", [i32], 32,
let Size = 32;
}
+// Register class for SP only.
+def GPRSP : RegisterClass<"CSKY", [i32], 32, (add R14)> {
+ let Size = 32;
+}
+
def GPRPair : RegisterClass<"CSKY", [untyped], 32, (add GPRTuple)> {
let Size = 64;
}