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Add intrinsics.likely and intrinsics.unlikely

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gingerBill
2026-03-15 15:39:52 +00:00
parent 7207b545e6
commit a0685f0511
4 changed files with 53 additions and 2 deletions
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27
src/check_builtin.cpp
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@@ -6257,6 +6257,33 @@ gb_internal bool check_builtin_procedure(CheckerContext *c, Operand *operand, As
operand->type = x.type;
}
break;
case BuiltinProc_likely:
case BuiltinProc_unlikely:
{
Operand x = {};
check_expr(c, &x, ce->args[0]);
if (x.mode == Addressing_Invalid) {
return false;
}
if (!is_type_boolean(x.type)) {
gbString xt = type_to_string(x.type);
error(x.expr, "Expected a boolean expression to '%.*s', got %s", LIT(builtin_name), xt);
gb_string_free(xt);
*operand = x; // minimize error propagation
return true;
}
if (x.mode == Addressing_Constant) {
// NOTE(bill): just completely ignore this intrinsic entirely
*operand = x;
return true;
}
operand->mode = Addressing_Value;
operand->type = x.type;
}
break;
case BuiltinProc_prefetch_read_instruction:
case BuiltinProc_prefetch_read_data: