@@ -57,17 +57,6 @@
;; Atomic memory operations.
-;; Implement atomic stores with amoswap. Fall back to fences for atomic loads.
-(define_insn "atomic_store<mode>"
- [(set (match_operand:GPR 0 "memory_operand" "=A")
- (unspec_volatile:GPR
- [(match_operand:GPR 1 "reg_or_0_operand" "rJ")
- (match_operand:SI 2 "const_int_operand")] ;; model
- UNSPEC_ATOMIC_STORE))]
- "TARGET_ATOMIC"
- "amoswap.<amo>%A2 zero,%z1,%0"
- [(set (attr "length") (const_int 8))])
-
(define_insn "atomic_<atomic_optab><mode>"
[(set (match_operand:GPR 0 "memory_operand" "+A")
(unspec_volatile:GPR