/* mpihelp-mul_1.c - MPI helper functions * Copyright (C) 1994, 1996, 1997, 1998, 2001 Free Software Foundation, Inc. * * This file is part of GnuPG. * * GnuPG 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 2 of the License, or * (at your option) any later version. * * GnuPG 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * Note: This code is heavily based on the GNU MP Library. * Actually it's the same code with only minor changes in the * way the data is stored; this is to support the abstraction * of an optional secure memory allocation which may be used * to avoid revealing of sensitive data due to paging etc. * The GNU MP Library itself is published under the LGPL; * however I decided to publish this code under the plain GPL. */ #include "mpi-internal.h" #include "longlong.h" mpi_limb_t mpihelp_mul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, mpi_limb_t s2_limb) { mpi_limb_t cy_limb; mpi_size_t j; mpi_limb_t prod_high, prod_low; /* The loop counter and index J goes from -S1_SIZE to -1. This way * the loop becomes faster. */ j = -s1_size; /* Offset the base pointers to compensate for the negative indices. */ s1_ptr -= j; res_ptr -= j; cy_limb = 0; do { umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb); prod_low += cy_limb; cy_limb = (prod_low < cy_limb ? 1 : 0) + prod_high; res_ptr[j] = prod_low; } while (++j); return cy_limb; } hvm?id=0e0694ff1a7791274946b7f51bae692da0001a08'>commitdiff
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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-26 14:09:28 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-26 14:09:28 -0200
commit0e0694ff1a7791274946b7f51bae692da0001a08 (patch)
tree53d28f58d793c151aa870f17d38ddec6ac01ec7a /include/xen/interface/hvm
parent65390ea01ce678379da32b01f39fcfac4903f256 (diff)
parentc739c0a7c3c2472d7562b8f802cdce44d2597c8b (diff)
Merge branch 'patchwork' into v4l_for_linus
* patchwork: [media] s5k4ecgx: select CRC32 helper [media] dvb: avoid warning in dvb_net [media] v4l: tvp5150: Don't override output pinmuxing at stream on/off time [media] v4l: tvp5150: Fix comment regarding output pin muxing [media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers [media] pctv452e: move buffer to heap, no mutex [media] media/cobalt: use pci_irq_allocate_vectors [media] cec: fix race between configuring and unconfiguring [media] cec: move cec_report_phys_addr into cec_config_thread_func [media] cec: replace cec_report_features by cec_fill_msg_report_features [media] cec: update log_addr[] before finishing configuration [media] cec: CEC_MSG_GIVE_FEATURES should abort for CEC version < 2 [media] cec: when canceling a message, don't overwrite old status info [media] cec: fix report_current_latency [media] smiapp: Make suspend and resume functions __maybe_unused [media] smiapp: Implement power-on and power-off sequences without runtime PM
Diffstat (limited to 'include/xen/interface/hvm')