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Implement FN (lambda shortener)

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Useful for some higher order functions.
Allows to make short lambdas even shorter.
This commit is contained in:
Nekotekina 2022-06-30 20:56:34 +03:00 • committed by Ivan
parent 5c6f5a1610
commit 4b787b22c8
12 changed files with 80 additions and 72 deletions
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24
rpcs3/util/atomic.cpp
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@ -571,11 +571,8 @@ static u32 cond_alloc(uptr iptr, u128 mask, u32 tls_slot = -1)
return pos / 7;
});
const u64 bits = s_cond_bits[level3].fetch_op([](u64& bits)
{
// Set lowest clear bit
bits |= bits + 1;
});
// Set lowest clear bit
const u64 bits = s_cond_bits[level3].fetch_op(FN(x |= x + 1, void()));
// Find lowest clear bit (before it was set in fetch_op)
const u32 id = level3 * 64 + std::countr_one(bits);
@ -647,20 +644,9 @@ static void cond_free(u32 cond_id, u32 tls_slot = -1)
// Release the semaphore tree in the reverse order
s_cond_bits[cond_id / 64] &= ~(1ull << (cond_id % 64));
s_cond_sem3[level2].atomic_op([&](u128& val)
{
val -= u128{1} << (level3 * 7);
});
s_cond_sem2[level1].atomic_op([&](u128& val)
{
val -= u128{1} << (level2 * 11);
});
s_cond_sem1.atomic_op([&](u128& val)
{
val -= u128{1} << (level1 * 14);
});
s_cond_sem3[level2].atomic_op(FN(x -= u128{1} << (level3 * 7)));
s_cond_sem2[level1].atomic_op(FN(x -= u128{1} << (level2 * 11)));
s_cond_sem1.atomic_op(FN(x -= u128{1} << (level1 * 14)));
}
static cond_handle* cond_id_lock(u32 cond_id, u128 mask, uptr iptr = 0)