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| author | Ben Noordhuis <info@bnoordhuis.nl> | 2025-07-08 16:33:21 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-08 16:33:21 +0200 |
| commit | 454637403af8ce12949d6e6cc64ce6523433a8b9 (patch) | |
| tree | 0e506498d5541d924338005c206ed47eabf8c605 | |
| parent | 0070322ef2275aaf822459119cf7b9c8b4e88364 (diff) | |
| download | libuv-454637403af8ce12949d6e6cc64ce6523433a8b9.tar.gz libuv-454637403af8ce12949d6e6cc64ce6523433a8b9.zip | |
win: replace inline asm with compiler intrinsic (#4829)
Switch to __sync_fetch_and_or on x86. Libuv already uses it on other
architectures.
| -rw-r--r-- | src/win/async.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/src/win/async.c b/src/win/async.c index 07ba4f68..4c2cd265 100644 --- a/src/win/async.c +++ b/src/win/async.c @@ -41,18 +41,7 @@ static char uv__atomic_exchange_set(char volatile* target) { #else /* GCC, Clang in mingw mode */ static char uv__atomic_exchange_set(char volatile* target) { -#if defined(__i386__) || defined(__x86_64__) - /* Mingw-32 version, hopefully this works for 64-bit gcc as well. */ - const char one = 1; - char old_value; - __asm__ __volatile__ ("lock xchgb %0, %1\n\t" - : "=r"(old_value), "=m"(*target) - : "0"(one), "m"(*target) - : "memory"); - return old_value; -#else return __sync_fetch_and_or(target, 1); -#endif } #endif /* _MSC_VER */ |