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table lookup intrinsic

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This commit is contained in:
Jon Lipstate
2025-07-05 13:55:14 -07:00
parent 1a4139b25c
commit 019084a17f
5 changed files with 368 additions and 0 deletions
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52
src/check_builtin.cpp
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@@ -1150,6 +1150,58 @@ gb_internal bool check_builtin_simd_operation(CheckerContext *c, Operand *operan
return true;
}
case BuiltinProc_simd_table_lookup:
{
if (ce->args.count != 2) {
error(call, "'%.*s' expected 2 arguments, got %td", LIT(builtin_name), ce->args.count);
return false;
}
Operand table = {};
Operand indices = {};
check_expr(c, &table, ce->args[0]); if (table.mode == Addressing_Invalid) return false;
check_expr_with_type_hint(c, &indices, ce->args[1], table.type); if (indices.mode == Addressing_Invalid) return false;
if (!is_type_simd_vector(table.type)) {
error(table.expr, "'%.*s' expected a simd vector type for table", LIT(builtin_name));
return false;
}
if (!is_type_simd_vector(indices.type)) {
error(indices.expr, "'%.*s' expected a simd vector type for indices", LIT(builtin_name));
return false;
}
Type *table_elem = base_array_type(table.type);
Type *indices_elem = base_array_type(indices.type);
if (!is_type_integer(table_elem)) {
gbString table_str = type_to_string(table.type);
error(table.expr, "'%.*s' expected table to be a simd vector of integers, got '%s'", LIT(builtin_name), table_str);
gb_string_free(table_str);
return false;
}
if (!is_type_integer(indices_elem)) {
gbString indices_str = type_to_string(indices.type);
error(indices.expr, "'%.*s' expected indices to be a simd vector of integers, got '%s'", LIT(builtin_name), indices_str);
gb_string_free(indices_str);
return false;
}
if (!are_types_identical(table.type, indices.type)) {
gbString table_str = type_to_string(table.type);
gbString indices_str = type_to_string(indices.type);
error(indices.expr, "'%.*s' expected table and indices to have the same type, got '%s' vs '%s'", LIT(builtin_name), table_str, indices_str);
gb_string_free(indices_str);
gb_string_free(table_str);
return false;
}
operand->mode = Addressing_Value;
operand->type = table.type;
return true;
}
case BuiltinProc_simd_ceil:
case BuiltinProc_simd_floor:
case BuiltinProc_simd_trunc: