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GDScript: Add faster operator for known types

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It now uses the direct operator function pointer, which increases
performance in evaluation.
This commit is contained in:
George Marques
2020-11-13 16:47:45 -03:00
parent c707d6fe71
commit 1ad5c926dc
5 changed files with 77 additions and 3 deletions
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19
modules/gdscript/gdscript_byte_codegen.h
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@@ -51,15 +51,16 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator {
int current_stack_size = 0;
int current_temporaries = 0;
int current_line = 0;
int stack_max = 0;
int instr_args_max = 0;
HashMap<Variant, int, VariantHasher, VariantComparator> constant_map;
Map<StringName, int> name_map;
#ifdef TOOLS_ENABLED
Vector<StringName> named_globals;
#endif
int current_line = 0;
int stack_max = 0;
int instr_args_max = 0;
Map<Variant::ValidatedOperatorEvaluator, int> operator_func_map;
List<int> if_jmp_addrs; // List since this can be nested.
List<int> for_jmp_addrs;
@@ -136,6 +137,14 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator {
return pos;
}
int get_operation_pos(const Variant::ValidatedOperatorEvaluator p_operation) {
if (operator_func_map.has(p_operation))
return operator_func_map[p_operation];
int pos = operator_func_map.size();
operator_func_map[p_operation] = pos;
return pos;
}
void alloc_stack(int p_level) {
if (p_level >= stack_max)
stack_max = p_level + 1;
@@ -191,6 +200,10 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator {
opcodes.push_back(get_name_map_pos(p_name));
}
void append(const Variant::ValidatedOperatorEvaluator p_operation) {
opcodes.push_back(get_operation_pos(p_operation));
}
void patch_jump(int p_address) {
opcodes.write[p_address] = opcodes.size();
}