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public text v1 · immutablestatic inline bool test_and_set(bool *x, bool v)
{
asm volatile (
"swpb %0, %0, [%1]\n"
: "+r"(v)
: "r"(x)
);
return v;
}static inline bool test_and_set(bool *x, bool v)
{
asm volatile (
"swpb %0, %0, [%1]\n"
: "+r"(v)
: "r"(x)
);
return v;
}