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-rw-r--r--tools/memory-model/linux-kernel.def18
1 files changed, 10 insertions, 8 deletions
diff --git a/tools/memory-model/linux-kernel.def b/tools/memory-model/linux-kernel.def
index a12b96c547b7..d7279a357cba 100644
--- a/tools/memory-model/linux-kernel.def
+++ b/tools/memory-model/linux-kernel.def
@@ -63,14 +63,14 @@ atomic_set(X,V) { WRITE_ONCE(*X,V); }
atomic_read_acquire(X) smp_load_acquire(X)
atomic_set_release(X,V) { smp_store_release(X,V); }
-atomic_add(V,X) { __atomic_op(X,+,V); }
-atomic_sub(V,X) { __atomic_op(X,-,V); }
-atomic_and(V,X) { __atomic_op(X,&,V); }
-atomic_or(V,X) { __atomic_op(X,|,V); }
-atomic_xor(V,X) { __atomic_op(X,^,V); }
-atomic_inc(X) { __atomic_op(X,+,1); }
-atomic_dec(X) { __atomic_op(X,-,1); }
-atomic_andnot(V,X) { __atomic_op(X,&~,V); }
+atomic_add(V,X) { __atomic_op{noreturn}(X,+,V); }
+atomic_sub(V,X) { __atomic_op{noreturn}(X,-,V); }
+atomic_and(V,X) { __atomic_op{noreturn}(X,&,V); }
+atomic_or(V,X) { __atomic_op{noreturn}(X,|,V); }
+atomic_xor(V,X) { __atomic_op{noreturn}(X,^,V); }
+atomic_inc(X) { __atomic_op{noreturn}(X,+,1); }
+atomic_dec(X) { __atomic_op{noreturn}(X,-,1); }
+atomic_andnot(V,X) { __atomic_op{noreturn}(X,&~,V); }
atomic_add_return(V,X) __atomic_op_return{mb}(X,+,V)
atomic_add_return_relaxed(V,X) __atomic_op_return{once}(X,+,V)
@@ -144,3 +144,5 @@ atomic_fetch_andnot(V,X) __atomic_fetch_op{mb}(X,&~,V)
atomic_fetch_andnot_acquire(V,X) __atomic_fetch_op{acquire}(X,&~,V)
atomic_fetch_andnot_release(V,X) __atomic_fetch_op{release}(X,&~,V)
atomic_fetch_andnot_relaxed(V,X) __atomic_fetch_op{once}(X,&~,V)
+
+atomic_add_unless(X,V,W) __atomic_add_unless{mb}(X,V,W)