Subversion Repositories openrisc_2011-10-31

/* Copyright (C) 2000, 2003, 2005, 2007 Free Software Foundation

   Contributed by Alexandre Oliva <aoliva@cygnus.com>

   This file 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.

   This program 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 this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Generator of tests for insns introduced in AM33 2.0.

   See the following file for usage and documentation.  */

#include "../all/test-gen.c"

/* Define any char*[]s you may need here.  */

char *named_regs[] = { "a", "b", "c", "d" };

/* Define helper macros to generate register accesses here.  */

#define namedregs(shift) \

  reg_r (named_regs, shift, 0x3, mk_get_bits (2u))

#define numberedregs(shift) \

  reg_p ("f", shift, mk_get_bits (2u))

/* Define helper functions here.  */

int

jmp_cond (func_arg * arg, insn_data * data)

#define jmp_cond(shift) { jmp_cond, { i1: shift } }

{

  static const char conds[4][2] = { "z", "n", "g", "l" };

  unsigned val = get_bits (2u);

  data->as_in = data->dis_out = strdup (conds[val]);

  data->bits = val << arg->i1;

  /* Do not forget to return 0, otherwise the insn will be skipped.  */

  return 0;

}

/* Define convenience wrappers to define_insn.  */

#define cond_jmp_insn(insname, word, funcs...) \

  define_insn (insname, \

               insn_size_bits (insname, 1, word), \

               jmp_cond (4), \

               tab, \

               ## funcs)

/* Define insns.  */

cond_jmp_insn (j, 0x40, numberedregs(2), comma, namedregs (0));

/* Define an insn group.  */

func *jmp_insns[] =

  {

    insn (j),

  };

/* Define the set of all groups.  */

group_t

groups[] =

  {

    { "jumps", jmp_insns },

    { 0 }

  };

int

main (int argc, char *argv[])

{

  FILE *as_in = stdout, *dis_out = stderr;

  /* Check whether we're filtering insns.  */

  if (argc > 1)

    skip_list = argv + 1;

  /* Output assembler header.  */

  fputs ("\t.text\n"

         "\t.align\n",

         as_in);

  /* Output comments for the testsuite-driver and the initial

     disassembler output.  */

  fputs ("#objdump: -dr --prefix-address --show-raw-insn\n"

         "#name: Foo Digital Processor\n"

         "#as: -mfood\n"

         "\n"

         "# Test the instructions of FooD\n"

         "\n"

         ".*: +file format.*food.*\n"

         "\n"

         "Disassembly of section .text:\n",

         dis_out);

  /* Now emit all (selected) insns.  */

  output_groups (groups, as_in, dis_out);

  exit (0);

}