@@@ so much mess

[mLib] / utils / t / bits-test.c

/* -*-c-*-
 *
 * Test rig for bits header
 *
 * (c) 2000 Straylight/Edgeware
 */

/*----- Licensing notice --------------------------------------------------*
 *
 * This file is part of the mLib utilities library.
 *
 * mLib is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Library General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * mLib 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with mLib; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

/*----- Header files ------------------------------------------------------*/

#include "bits.h"
#include "tvec.h"

/*----- Main code ---------------------------------------------------------*/

enum {
  RZ, NROUT,
  RX = NROUT, RY, NREG,
  RN = RY
};

#define TSHIFT(OP)							\
  static void test_##OP(const struct tvec_reg *in, struct tvec_reg *out, \
			void *ctx)					\
  {									\
    kludge64 x;								\
									\
    LOAD64_(x, in[RX].v.bytes.p);					\
    OP##64_(x, x, in[RN].v.u);						\
    tvec_allocbytes(&out[RZ].v, 8);					\
    STORE64_(out[RZ].v.bytes.p, x);					\
  }

#define TARITH(OP)							\
  static void test_##OP(const struct tvec_reg *in, struct tvec_reg *out, \
			void *ctx)					\
  {									\
    kludge64 x, y;							\
									\
    LOAD64_(x, in[RX].v.bytes.p); LOAD64_(y, in[RY].v.bytes.p);		\
    OP##64(x, x, y);							\
    tvec_allocbytes(&out[RZ].v, 8);					\
    STORE64_(out[RZ].v.bytes.p, x);					\
  }

TSHIFT(LSL)
TSHIFT(LSR)
TSHIFT(ROL)
TSHIFT(ROR)
TARITH(ADD)
TARITH(SUB)

static const struct tvec_urange ur_eight = { 8, 8 };
static const struct tvec_urange ur_shift = { 0, 63 };
static const struct tvec_regdef shift_regs[] = {
  { "x", RX, &tvty_bytes, 0, { &ur_eight } },
  { "n", RN, &tvty_uint, 0, { &ur_shift } },
  { "z", RZ, &tvty_bytes, 0, { &ur_eight } },
  { 0, 0, 0, 0 }
};
static const struct tvec_regdef arith_regs[] = {
  { "x", RX, &tvty_bytes, 0, { &ur_eight } },
  { "y", RY, &tvty_bytes, 0, { &ur_eight } },
  { "z", RZ, &tvty_bytes, 0, { &ur_eight } },
  { 0, 0, 0, 0 }
};

static const struct tvec_test tests[] = {
  { "lsl64", shift_regs, 0, test_LSL },
  { "lsr64", shift_regs, 0, test_LSR },
  { "rol64", shift_regs, 0, test_ROL },
  { "ror64", shift_regs, 0, test_ROR },
  { "add64", arith_regs, 0, test_ADD },
  { "sub64", arith_regs, 0, test_SUB },
  { 0, 0, 0, 0 }
};

static const struct tvec_info testinfo =
  { tests, NROUT, NREG, sizeof(struct tvec_reg) };

int main(int argc, char *argv[])
  { return (tvec_main(argc, argv, &testinfo, 0)); }

/*----- That's all, folks -------------------------------------------------*/