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Reduce the size of ApplicableDeclarationBlock.

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The level is a u8, so on 64-bit it packs nicely after the u32 specificity.
This commit is contained in:
Boris Zbarsky 2017-06-08 14:44:55 -04:00
parent 3616b8f0c3
commit 6601ae2810
2 changed files with 7 additions and 4 deletions
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3
tests/unit/stylo/size_of.rs
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@ -10,6 +10,7 @@ use style::data::{ComputedStyle, ElementData, ElementStyles};
use style::gecko::selector_parser as real;
use style::properties::ComputedValues;
use style::rule_tree::StrongRuleNode;
use style::stylist::ApplicableDeclarationBlock;
#[test]
fn size_of_selectors_dummy_types() {
@ -36,6 +37,8 @@ size_of_test!(test_size_of_element_data, ElementData, 56);
size_of_test!(test_size_of_property_declaration, style::properties::PropertyDeclaration, 32);
size_of_test!(test_size_of_application_declaration_block, ApplicableDeclarationBlock, 32);
// This is huge, but we allocate it on the stack and then never move it,
// we only pass `&mut SourcePropertyDeclaration` references around.
size_of_test!(test_size_of_parsed_declaration, style::properties::SourcePropertyDeclaration, 704);