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Remove useless store buffer search logging

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Andy Wang 2022-08-25 00:08:04 +01:00
parent f4ba8b1160
commit 01dffe0575
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1 changed files with 0 additions and 5 deletions
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src/concurrency/weak_memory.rs
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@ -320,7 +320,6 @@ impl<'mir, 'tcx: 'mir> StoreBuffer {
// CoWR: if a store happens-before the current load,
// then we can't read-from anything earlier in modification order.
// C++20 §6.9.2.2 [intro.races] paragraph 18
log::info!("Stopping due to coherent write-read");
false
} else if store_elem.loads.borrow().iter().any(|(&load_index, &load_timestamp)| {
load_timestamp <= clocks.clock[load_index]
@ -328,13 +327,11 @@ impl<'mir, 'tcx: 'mir> StoreBuffer {
// CoRR: if there was a load from this store which happened-before the current load,
// then we cannot read-from anything earlier in modification order.
// C++20 §6.9.2.2 [intro.races] paragraph 16
log::info!("Stopping due to coherent read-read");
false
} else if store_elem.timestamp <= clocks.fence_seqcst[store_elem.store_index] {
// The current load, which may be sequenced-after an SC fence, cannot read-before
// the last store sequenced-before an SC fence in another thread.
// C++17 §32.4 [atomics.order] paragraph 6
log::info!("Stopping due to coherent load sequenced after sc fence");
false
} else if store_elem.timestamp <= clocks.write_seqcst[store_elem.store_index]
&& store_elem.is_seqcst
@ -342,13 +339,11 @@ impl<'mir, 'tcx: 'mir> StoreBuffer {
// The current non-SC load, which may be sequenced-after an SC fence,
// cannot read-before the last SC store executed before the fence.
// C++17 §32.4 [atomics.order] paragraph 4
log::info!("Stopping due to needing to load from the last SC store");
false
} else if is_seqcst && store_elem.timestamp <= clocks.read_seqcst[store_elem.store_index] {
// The current SC load cannot read-before the last store sequenced-before
// the last SC fence.
// C++17 §32.4 [atomics.order] paragraph 5
log::info!("Stopping due to sc load needing to load from the last SC store before an SC fence");
false
} else {true};