1 files changed, 0 insertions, 88 deletions
diff --git a/components/cplusplus/cpp11/atomic_8.c b/components/cplusplus/cpp11/atomic_8.c
deleted file mode 100644
index 64d3311b4a..0000000000
--- a/components/cplusplus/cpp11/atomic_8.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-04-27     peterfan     Add copyright header.
- */
-
-#include <rthw.h>
-#include <stdint.h>
-#include <stdbool.h>
-
-/*
-* override gcc builtin atomic function for std::atomic<int64_t>, std::atomic<uint64_t>
-* @see https://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html
-*/
-uint64_t __atomic_load_8(volatile void *ptr, int memorder)
-{
-    volatile uint64_t *val_ptr = (volatile uint64_t *)ptr;
-    register rt_base_t level;
-    uint64_t tmp;
-    level = rt_hw_interrupt_disable();
-    tmp = *val_ptr;
-    rt_hw_interrupt_enable(level);
-    return tmp;
-}
-
-void __atomic_store_8(volatile void *ptr, uint64_t val, int memorder)
-{
-    volatile uint64_t *val_ptr = (volatile uint64_t *)ptr;
-    register rt_base_t level;
-    level = rt_hw_interrupt_disable();
-    *val_ptr = val;
-    rt_hw_interrupt_enable(level);
-}
-
-uint64_t __atomic_exchange_8(volatile void *ptr, uint64_t val, int memorder)
-{
-    volatile uint64_t *val_ptr = (volatile uint64_t *)ptr;
-    register rt_base_t level;
-    uint64_t tmp;
-    level = rt_hw_interrupt_disable();
-    tmp = *val_ptr;
-    *val_ptr = val;
-    rt_hw_interrupt_enable(level);
-    return tmp;
-}
-
-bool __atomic_compare_exchange_8(volatile void *ptr, volatile void *expected, uint64_t desired, bool weak, int success_memorder, int failure_memorder)
-{
-    volatile uint64_t *val_ptr = (volatile uint64_t *)ptr;
-    volatile uint64_t *expected_ptr = (volatile uint64_t *)expected;
-    register rt_base_t level;
-    bool exchanged;
-    level = rt_hw_interrupt_disable();
-    if (*val_ptr == *expected_ptr)
-    {
-        *val_ptr = desired;
-        exchanged = true;
-    }
-    else
-    {
-        *expected_ptr = *val_ptr;
-        exchanged = false;
-    }
-    rt_hw_interrupt_enable(level);
-    return exchanged;
-}
-
-#define __atomic_fetch_op_8(OPNAME, OP) \
-uint64_t __atomic_fetch_##OPNAME##_8(volatile void *ptr, uint64_t val, int memorder) {\
-    volatile uint64_t* val_ptr = (volatile uint64_t*)ptr;\
-    register rt_base_t level;\
-    uint64_t tmp;\
-    level = rt_hw_interrupt_disable();\
-    tmp = *val_ptr;\
-    *val_ptr OP##= val;\
-    rt_hw_interrupt_enable(level);\
-    return tmp;\
-}
-
-__atomic_fetch_op_8(add, +)
-__atomic_fetch_op_8(sub, -)
-__atomic_fetch_op_8( and, &)
-__atomic_fetch_op_8( or, |)
-__atomic_fetch_op_8(xor, ^)