diff --git a/src/compiler/nir/nir_opcodes.py b/src/compiler/nir/nir_opcodes.py
index 372728c9f92..564ab540e59 100644
--- a/src/compiler/nir/nir_opcodes.py
+++ b/src/compiler/nir/nir_opcodes.py
@@ -1347,6 +1347,13 @@ opcode("imadshl_agx", 0, tint, [0, 0, 0, 0], [tint, tint, tint, tint], False,
 opcode("imsubshl_agx", 0, tint, [0, 0, 0, 0], [tint, tint, tint, tint], False,
        "", f"(src0 * src1) - (src2 << src3)")
 
+# Address arithmetic instructions: extend, shift, and add
+# Shift must be a small constant.
+opcode("ilea_agx", 0, tuint64, [0, 0, 0], [tuint64, tint32, tuint32], False,
+       "", f"src0 + (((int64_t)src1) << src2)")
+opcode("ulea_agx", 0, tuint64, [0, 0, 0], [tuint64, tuint32, tuint32], False,
+       "", f"src0 + (((uint64_t)src1) << src2)")
+
 # Bounds check instruction.
 #
 # Sources: <data, end offset, bounds>