BrainF*ck interpreter in C

/* This file is part of RexOS!.
 *
 * RexOS! is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * RexOS! is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with RexOS!.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

uint8_t tape[30000] = {0};

void _interpret(char *edx)
{

    uint8_t *edi = tape;
    uint32_t eax = 0;
    uint16_t ch = 1;
    uint32_t cl = 0;
    size_t rax = -1;

loop:
    rax++;
    cl = edx[rax];

    if (cl == 0)
    goto exit;

    if (cl == '>')
    goto pinc;

    if (cl == '<')
    goto pdec;

    if (cl == '+')
    goto vinc;

    if (cl == '-')
    goto vdec;

    if (cl == '.')
    goto prnt;

    if (cl == ']')
    goto bend;

    goto loop;

pinc:
    ++edi;
    goto loop;

pdec:
    --edi;
    goto loop;

vinc:
    ++*edi;
    goto loop;

vdec:
    --*edi;
    goto loop;

prnt:
    putchar(*edi);
    goto loop;

bend:
    if (*edi == 0)
    goto loop;

    ch = 1;

ilst:
    if (ch <= 0)
    goto loop;

    rax--;
    cl = edx[rax];

    if (cl == '[')
        goto dclp;

    if (cl == ']')
        goto inlp;

    goto ilst;

dclp:
    ch--;
    goto ilst;

inlp:
    ch++;
    goto ilst;

exit:
    return;
}