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LibJS: Add fast paths for get and set on float typed arrays

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Lucien Fiorini 2024-11-18 01:42:36 +01:00 committed by Andreas Kling
parent 3856dd946b
commit ff791a63fc
Notes: github-actions[bot] 2024-11-18 08:12:55 +00:00 
Author: https://github.com/ananas-dev 🔰
Commit: https://github.com/LadybirdBrowser/ladybird/commit/ff791a63fca
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2411
1 changed files with 48 additions and 26 deletions
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26
Libraries/LibJS/Bytecode/Interpreter.cpp
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@ -1074,6 +1074,12 @@ inline ThrowCompletionOr<Value> get_by_value(VM& vm, Optional<IdentifierTableInd
return fast_typed_array_get_element<i32>(typed_array, index);
case TypedArrayBase::Kind::Uint8ClampedArray:
return fast_typed_array_get_element<u8>(typed_array, index);
case TypedArrayBase::Kind::Float16Array:
return fast_typed_array_get_element<f16>(typed_array, index);
case TypedArrayBase::Kind::Float32Array:
return fast_typed_array_get_element<float>(typed_array, index);
case TypedArrayBase::Kind::Float64Array:
return fast_typed_array_get_element<double>(typed_array, index);
default:
// FIXME: Support more TypedArray kinds.
break;
@ -1312,7 +1318,8 @@ inline ThrowCompletionOr<void> put_by_value(VM& vm, Value base, Optional<Depreca
auto& typed_array = static_cast<TypedArrayBase&>(object);
auto canonical_index = CanonicalIndex { CanonicalIndex::Type::Index, index };
if (value.is_int32() && is_valid_integer_index(typed_array, canonical_index)) {
if (is_valid_integer_index(typed_array, canonical_index)) {
if (value.is_int32()) {
switch (typed_array.kind()) {
case TypedArrayBase::Kind::Uint8Array:
fast_typed_array_set_element<u8>(typed_array, index, static_cast<u8>(value.as_i32()));
@ -1336,9 +1343,24 @@ inline ThrowCompletionOr<void> put_by_value(VM& vm, Value base, Optional<Depreca
fast_typed_array_set_element<u8>(typed_array, index, clamp(value.as_i32(), 0, 255));
return {};
default:
// FIXME: Support more TypedArray kinds.
break;
}
} else if (value.is_double()) {
switch (typed_array.kind()) {
case TypedArrayBase::Kind::Float16Array:
fast_typed_array_set_element<f16>(typed_array, index, static_cast<f16>(value.as_double()));
return {};
case TypedArrayBase::Kind::Float32Array:
fast_typed_array_set_element<float>(typed_array, index, static_cast<float>(value.as_double()));
return {};
case TypedArrayBase::Kind::Float64Array:
fast_typed_array_set_element<double>(typed_array, index, value.as_double());
return {};
default:
break;
}
}
// FIXME: Support more TypedArray kinds.
}
if (typed_array.kind() == TypedArrayBase::Kind::Uint32Array && value.is_integral_number()) {