LibJS/Bytecode: Make IdentifierTableIndex a 32-bit index

This makes a bunch of instructions smaller.
Author: https://github.com/awesomekling Commit: 37d722f4a6 Pull-request: https://github.com/SerenityOS/serenity/pull/24240 Reviewed-by: https://github.com/Hendiadyoin1 Reviewed-by: https://github.com/trflynn89 ✅
2025-08-08 01:00:05 +00:00 · 2024-05-06 10:12:02 +02:00 · 2024-05-06 10:12:02 +02:00 · 37d722f4a6 · 2024-07-17 05:02:35 +09:00
commit 37d722f4a6
parent 95759dcc6d
3 changed files with 10 additions and 6 deletions
--- a/Userland/Libraries/LibJS/Bytecode/IdentifierTable.h
+++ b/Userland/Libraries/LibJS/Bytecode/IdentifierTable.h
@ -12,7 +12,10 @@

 namespace JS::Bytecode {

-AK_TYPEDEF_DISTINCT_NUMERIC_GENERAL(size_t, IdentifierTableIndex, Comparison);
+struct IdentifierTableIndex {
+    bool is_valid() const { return value != NumericLimits<u32>::max(); }
+    u32 value { 0 };
+};

 class IdentifierTable {
    AK_MAKE_NONMOVABLE(IdentifierTable);