blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-09 09:09:10 -04:00
Code Issues Projects Releases Wiki Activity

Merge branch 'bugfix/remove-uneeded-clang-ifdefs' into 'master'

Browse Source 
remove `__clang__` ifdef around atomic libcalls

See merge request espressif/esp-idf!15489
This commit is contained in:
Scott Mabin 2021-10-20 14:54:28 +00:00
commit f06bc441f3
1 changed files with 14 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
components/newlib/stdatomic.c
View File

@ -200,7 +200,7 @@ CLANG_DECLARE_ALIAS( __sync_bool_compare_and_swap_ ## n )
} \
CLANG_DECLARE_ALIAS( __sync_val_compare_and_swap_ ## n )
#define SYNC_LOCK_TEST_AND_SET(n, type) type CLANG_ATOMIC_SUFFIX(__sync_lock_test_and_set_ ## n) (type *ptr, type val, ...) \
#define SYNC_LOCK_TEST_AND_SET(n, type) type CLANG_ATOMIC_SUFFIX(__sync_lock_test_and_set_ ## n) (type *ptr, type val) \
{ \
unsigned state = _ATOMIC_ENTER_CRITICAL(); \
type ret = *ptr; \
@ -210,7 +210,7 @@ CLANG_DECLARE_ALIAS( __sync_val_compare_and_swap_ ## n )
}
CLANG_DECLARE_ALIAS( __sync_lock_test_and_set_ ## n )
#define SYNC_LOCK_RELEASE(n, type) void CLANG_ATOMIC_SUFFIX(__sync_lock_release_ ## n) (type *ptr, ...) \
#define SYNC_LOCK_RELEASE(n, type) void CLANG_ATOMIC_SUFFIX(__sync_lock_release_ ## n) (type *ptr) \
{ \
unsigned state = _ATOMIC_ENTER_CRITICAL(); \
*ptr = 0; \
@ -277,16 +277,6 @@ SYNC_VAL_CMP_EXCHANGE(1, uint8_t)
SYNC_VAL_CMP_EXCHANGE(2, uint16_t)
SYNC_VAL_CMP_EXCHANGE(4, uint32_t)
#ifdef __clang__
// LLVM has not implemented native atomic load/stores for riscv targets without the Atomic extension
// therfore we provide libcalls here when building with the clang toolchain. LLVM thread: https://reviews.llvm.org/D47553.
ATOMIC_LOAD(1, uint8_t)
ATOMIC_LOAD(2, uint16_t)
ATOMIC_LOAD(4, uint32_t)
ATOMIC_STORE(1, uint8_t)
ATOMIC_STORE(2, uint16_t)
ATOMIC_STORE(4, uint32_t)
SYNC_LOCK_TEST_AND_SET(1, uint8_t)
SYNC_LOCK_TEST_AND_SET(2, uint16_t)
@ -296,16 +286,19 @@ SYNC_LOCK_RELEASE(1, uint8_t)
SYNC_LOCK_RELEASE(2, uint16_t)
SYNC_LOCK_RELEASE(4, uint32_t)
#endif
// LLVM has not implemented native atomic load/stores for riscv targets without the Atomic extension. LLVM thread: https://reviews.llvm.org/D47553.
// Even though GCC does transform them, these libcalls need to be available for the case where a LLVM based project links against IDF.
ATOMIC_LOAD(1, uint8_t)
ATOMIC_LOAD(2, uint16_t)
ATOMIC_LOAD(4, uint32_t)
ATOMIC_STORE(1, uint8_t)
ATOMIC_STORE(2, uint16_t)
ATOMIC_STORE(4, uint32_t)
#endif // !HAS_ATOMICS_32
#if !HAS_ATOMICS_64
ATOMIC_LOAD(8, uint64_t)
ATOMIC_STORE(8, uint64_t)
ATOMIC_EXCHANGE(8, uint64_t)
CMP_EXCHANGE(8, uint64_t)
@ -334,11 +327,12 @@ SYNC_BOOL_CMP_EXCHANGE(8, uint64_t)
SYNC_VAL_CMP_EXCHANGE(8, uint64_t)
#ifdef __clang__
SYNC_LOCK_TEST_AND_SET(8, uint64_t)
SYNC_LOCK_RELEASE(8, uint64_t)
#endif
// LLVM has not implemented native atomic load/stores for riscv targets without the Atomic extension. LLVM thread: https://reviews.llvm.org/D47553.
// Even though GCC does transform them, these libcalls need to be available for the case where a LLVM based project links against IDF.
ATOMIC_LOAD(8, uint64_t)
ATOMIC_STORE(8, uint64_t)
#endif // !HAS_ATOMICS_64