mpir/mpn/powerpc32/750/gmp-mparam.h

/* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 2002, 2004, 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 32
#define BYTES_PER_MP_LIMB 4

/* This file is used for 75x (G3) and for 7400/7410 (G4), both which have
   much slow multiply instructions.  */

/* 450 MHz PowerPC 7400 */

/* Generated by tuneup.c, 2006-03-21, gcc 4.0.1 */

#define MUL_KARATSUBA_THRESHOLD          10
#define MUL_TOOM3_THRESHOLD              66

#define SQR_BASECASE_THRESHOLD            4
#define SQR_KARATSUBA_THRESHOLD          20
#define SQR_TOOM3_THRESHOLD              61

#define MULLOW_BASECASE_THRESHOLD         0  /* always */
#define MULLOW_DC_THRESHOLD              36

#define POWM_THRESHOLD                   48

#define GCDEXT_THRESHOLD                 22
#define JACOBI_BASE_METHOD                1

#define DIVREM_1_NORM_THRESHOLD           3
#define DIVREM_1_UNNORM_THRESHOLD         3
#define MOD_1_NORM_THRESHOLD              3
#define MOD_1_UNNORM_THRESHOLD            3
#define USE_PREINV_DIVREM_1               1
#define USE_PREINV_MOD_1                  1
#define DIVREM_2_THRESHOLD                0  /* always */
#define DIVEXACT_1_THRESHOLD              0  /* always */
#define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */

#define GET_STR_DC_THRESHOLD             13
#define GET_STR_PRECOMPUTE_THRESHOLD     23

#define MUL_FFT_FULL_THRESHOLD              1792

#define SQR_FFT_FULL_THRESHOLD              2304

/* 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