shr.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */


case OP_SHR: {
 Value vs = pop_value(vm);
 Value va = pop_value(vm);
 uint32_t a = (va.type == VAL_INT) ? (uint32_t)va.i : 0u;
 uint32_t s = (vs.type == VAL_INT) ? (uint32_t)vs.i : 0u;
 s &= 31u;
 uint32_t r = (s == 0u) ? a : (a >> s);
 free_value(vs);
 free_value(va);
 push_value(vm, make_int((int64_t)(uint64_t)r));
 break;
}