defm MVC : MemorySS<"mvc", 0xD2, z_mvc, z_mvc_loop>;
// String moves.
-let mayLoad = 1, mayStore = 1, Defs = [CC], Uses = [R0L] in
+let mayLoad = 1, mayStore = 1, Defs = [CC] in
defm MVST : StringRRE<"mvst", 0xB255, z_stpcpy>;
//===----------------------------------------------------------------------===//
defm CLC : MemorySS<"clc", 0xD5, z_clc, z_clc_loop>;
// String comparison.
-let mayLoad = 1, Defs = [CC], Uses = [R0L] in
+let mayLoad = 1, Defs = [CC] in
defm CLST : StringRRE<"clst", 0xB25D, z_strcmp>;
// Test under mask.
// Atomic operations
//===----------------------------------------------------------------------===//
+// A serialization instruction that acts as a barrier for all memory
+// accesses, which expands to "bcr 14, 0".
+let hasSideEffects = 1 in
def Serialize : Alias<2, (outs), (ins), [(z_serialize)]>;
let Predicates = [FeatureInterlockedAccess1], Defs = [CC] in {
}
// Search a block of memory for a character.
-let mayLoad = 1, Defs = [CC], Uses = [R0L] in
+let mayLoad = 1, Defs = [CC] in
defm SRST : StringRRE<"srst", 0xb25e, z_search_string>;
// Other instructions for inline assembly