===================================================================
@@ -93,11 +93,15 @@ (define_expand "atomic_fetch_<atomic_op_
if (<MODE>mode != QImode && TARGET_TRAP_UNALIGNED_ATOMIC)
cris_emit_trap_for_misalignment (operands[1]);
- expand_mem_thread_fence (mmodel);
+ if (need_atomic_barrier_p (mmodel, true))
+ expand_mem_thread_fence (mmodel);
+
emit_insn (gen_cris_atomic_fetch_<atomic_op_name><mode>_1 (operands[0],
operands[1],
operands[2]));
- expand_mem_thread_fence (mmodel);
+ if (need_atomic_barrier_p (mmodel, false))
+ expand_mem_thread_fence (mmodel);
+
DONE;
})
@@ -196,13 +200,17 @@ (define_expand "atomic_compare_and_swap<
if (<MODE>mode != QImode && TARGET_TRAP_UNALIGNED_ATOMIC)
cris_emit_trap_for_misalignment (operands[2]);
- expand_mem_thread_fence (mmodel);
+ if (need_atomic_barrier_p (mmodel, true))
+ expand_mem_thread_fence (mmodel);
+
emit_insn (gen_cris_atomic_compare_and_swap<mode>_1 (operands[0],
operands[1],
operands[2],
operands[3],
operands[4]));
- expand_mem_thread_fence (mmodel);
+ if (need_atomic_barrier_p (mmodel, false))
+ expand_mem_thread_fence (mmodel);
+
DONE;
})