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author | Ivan Maidanski <ivmai@mail.ru> | 2021-10-20 10:17:26 +0300 |
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committer | Ivan Maidanski <ivmai@mail.ru> | 2021-11-15 10:03:05 +0300 |
commit | 90b1b87aed672c4605ddb6914296730f528944c6 (patch) | |
tree | f0e34fcbe89d1e324c97cd1a3069570bb1098ee8 | |
parent | 76ebe95c4cc54bd876e24f92a3d6ee3bc3e694d7 (diff) | |
download | libatomic_ops-90b1b87aed672c4605ddb6914296730f528944c6.tar.gz |
Do not assume 'ordered except earlier write' for UWP/arm64
(fix of commit e078c7bb7)
* src/atomic_ops/sysdeps/msftc/x86_64.h: Do not include
ordered_except_wr.h if _M_ARM64.
-rw-r--r-- | src/atomic_ops/sysdeps/msftc/x86_64.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/atomic_ops/sysdeps/msftc/x86_64.h b/src/atomic_ops/sysdeps/msftc/x86_64.h index 2bbc3fd..15642f8 100644 --- a/src/atomic_ops/sysdeps/msftc/x86_64.h +++ b/src/atomic_ops/sysdeps/msftc/x86_64.h @@ -22,14 +22,15 @@ #include "../all_aligned_atomic_load_store.h" +#if !defined(_M_ARM64) /* Real X86 implementations appear */ /* to enforce ordering between memory operations, EXCEPT that a later */ /* read can pass earlier writes, presumably due to the visible */ /* presence of store buffers. */ /* We ignore the fact that the official specs */ /* seem to be much weaker (and arguably too weak to be usable). */ - #include "../ordered_except_wr.h" +#endif #ifdef AO_ASM_X64_AVAILABLE # include "../test_and_set_t_is_char.h" |