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Add lock prefix to cmpxchg8b :)

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4lDO2
2024-06-26 12:50:28 +02:00
parent b30d93aed0
commit bf01feb121
1 changed files with 1 additions and 1 deletions
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src/data.rs
+1 -1
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@@ -471,7 +471,7 @@ mod atomic {
let mut out_lo;
unsafe {
core::arch::asm!("cmpxchg8b [{}]", in(reg) self.0.get(), inout("edx") old_hi => out_hi, inout("eax") old_lo => out_lo, in("ecx") new_hi, in("ebx") new_lo);
core::arch::asm!("lock cmpxchg8b [{}]", in(reg) self.0.get(), inout("edx") old_hi => out_hi, inout("eax") old_lo => out_lo, in("ecx") new_hi, in("ebx") new_lo);
}
if old_hi == out_hi && old_lo == out_lo {