diff options
Diffstat (limited to 'vendor/gmp-6.3.0/mpn/generic/sec_sqr.c')
-rw-r--r-- | vendor/gmp-6.3.0/mpn/generic/sec_sqr.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpn/generic/sec_sqr.c b/vendor/gmp-6.3.0/mpn/generic/sec_sqr.c new file mode 100644 index 0000000..83fc7d9 --- /dev/null +++ b/vendor/gmp-6.3.0/mpn/generic/sec_sqr.c @@ -0,0 +1,76 @@ +/* mpn_sec_sqr. + + Contributed to the GNU project by Torbjörn Granlund. + +Copyright 2013, 2014 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 either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#include "gmp-impl.h" + +#if ! HAVE_NATIVE_mpn_sqr_basecase +/* The limit of the generic code is SQR_TOOM2_THRESHOLD. */ +#define SQR_BASECASE_LIM SQR_TOOM2_THRESHOLD +#endif + +#if HAVE_NATIVE_mpn_sqr_basecase +#ifdef TUNE_SQR_TOOM2_MAX +/* We slightly abuse TUNE_SQR_TOOM2_MAX here. If it is set for an assembly + mpn_sqr_basecase, it comes from SQR_TOOM2_THRESHOLD_MAX in the assembly + file. An assembly mpn_sqr_basecase that does not define it should allow + any size. */ +#define SQR_BASECASE_LIM SQR_TOOM2_THRESHOLD +#endif +#endif + +#ifdef WANT_FAT_BINARY +/* For fat builds, we use SQR_TOOM2_THRESHOLD which will expand to a read from + __gmpn_cpuvec. Perhaps any possible sqr_basecase.asm allow any size, and we + limit the use unnecessarily. We cannot tell, so play it safe. FIXME. */ +#define SQR_BASECASE_LIM SQR_TOOM2_THRESHOLD +#endif + +void +mpn_sec_sqr (mp_ptr rp, + mp_srcptr ap, mp_size_t an, + mp_ptr tp) +{ +#ifndef SQR_BASECASE_LIM +/* If SQR_BASECASE_LIM is now not defined, use mpn_sqr_basecase for any operand + size. */ + mpn_sqr_basecase (rp, ap, an); +#else +/* Else use mpn_mul_basecase. */ + mpn_mul_basecase (rp, ap, an, ap, an); +#endif +} + +mp_size_t +mpn_sec_sqr_itch (mp_size_t an) +{ + return 0; +} |