================
@@ -48,6 +48,24 @@ def BPF_END : BPFArithOp<0xd>;
def BPF_XCHG : BPFArithOp<0xe>;
def BPF_CMPXCHG : BPFArithOp<0xf>;
+class BPFAtomicLoadStoreOp<bits<4> val> {
+ bits<4> Value = val;
+}
+
+def BPF_ATOMIC_LOAD : BPFAtomicLoadStoreOp<0x1>;
+def BPF_ATOMIC_STORE : BPFAtomicLoadStoreOp<0x2>;
+
+class BPFAtomicOrdering<bits<4> val> {
+ bits<4> Value = val;
+}
+
+def BPF_RELAXED : BPFAtomicOrdering<0x0>;
+def BPF_CONSUME : BPFAtomicOrdering<0x1>;
----------------
yonghong-song wrote:
Let use remove BPF_CONSUME? In kernel, we are not using atomic operation with
CONSUME. In current BPF implementation, for operations like atomic_load_{add,
sub,and,or,xor}, we do not support consume either.
https://github.com/llvm/llvm-project/pull/108636
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