mpir/mpn/alpha/ev5/gmp-mparam.h

/* Alpha EV5 gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006 Free
Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.

The GNU MP Library 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 Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */

#define BITS_PER_MP_LIMB 64
#define BYTES_PER_MP_LIMB 8


/* 600 MHz 21164A */

/* Generated by tuneup.c, 2006-03-21, gcc 3.3 */

#define MUL_KARATSUBA_THRESHOLD          16
#define MUL_TOOM3_THRESHOLD              53

#define SQR_BASECASE_THRESHOLD            5
#define SQR_KARATSUBA_THRESHOLD          26
#define SQR_TOOM3_THRESHOLD              53

#define MULLOW_BASECASE_THRESHOLD         0  /* always */
#define MULLOW_DC_THRESHOLD              56

#define POWM_THRESHOLD                   89

#define JACOBI_BASE_METHOD                2

#define DIVREM_1_NORM_THRESHOLD           0  /* preinv always */
#define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
#define MOD_1_NORM_THRESHOLD              0  /* always */
#define MOD_1_UNNORM_THRESHOLD            0  /* always */
#define USE_PREINV_DIVREM_1               1  /* preinv always */
#define USE_PREINV_MOD_1                  1  /* preinv always */
#define DIVREM_2_THRESHOLD                0  /* preinv always */
#define DIVEXACT_1_THRESHOLD              0  /* always */
#define MODEXACT_1_ODD_THRESHOLD          0  /* always */

#define GET_STR_DC_THRESHOLD             19
#define GET_STR_PRECOMPUTE_THRESHOLD     23

/* The following values are old, we only had access to GNU/Linux ev5 machines
   and the Linux kernel doesn't maintain the cycle counter properly.  */

#define MUL_FFT_FULL_THRESHOLD              2176

#define SQR_FFT_FULL_THRESHOLD              2688

/* fft_tuning -- autogenerated by tune-fft */

#define FFT_TAB \
   { { 4, 3 }, { 3, 2 }, { 2, 1 }, { 2, 1 }, { 1, 0 } }

#define MULMOD_TAB \
   { 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1 }

#define FFT_N_NUM 15

#define FFT_MULMOD_2EXPP1_CUTOFF 128