Revision 9822393d23ba9129396ab9308dbb8ce10ae74751 authored by Dave Airlie on 26 March 2015, 21:39:45 UTC, committed by Dave Airlie on 26 March 2015, 21:39:45 UTC
This should cover the final warnings in -rc5 with two more backports from our development branch (drm-intel-next-queued). They're the ones from Daniel and Damien, with references to the reports. This is on top of drm-fixes because of the dependency on the two earlier fixes not yet in Linus' tree. There's an additional regression fix from Chris. * tag 'drm-intel-fixes-2015-03-26' of git://anongit.freedesktop.org/drm-intel: drm/i915: Fixup legacy plane->crtc link for initial fb config drm/i915: Fix atomic state when reusing the firmware fb drm/i915: Keep ring->active_list and ring->requests_list consistent
mpi-inline.h
/* mpi-inline.h - Internal to the Multi Precision Integers
* Copyright (C) 1994, 1996, 1998, 1999 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.
*/
#ifndef G10_MPI_INLINE_H
#define G10_MPI_INLINE_H
#ifndef G10_MPI_INLINE_DECL
#define G10_MPI_INLINE_DECL extern inline
#endif
G10_MPI_INLINE_DECL mpi_limb_t
mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
mpi_size_t s1_size, mpi_limb_t s2_limb)
{
mpi_limb_t x;
x = *s1_ptr++;
s2_limb += x;
*res_ptr++ = s2_limb;
if (s2_limb < x) { /* sum is less than the left operand: handle carry */
while (--s1_size) {
x = *s1_ptr++ + 1; /* add carry */
*res_ptr++ = x; /* and store */
if (x) /* not 0 (no overflow): we can stop */
goto leave;
}
return 1; /* return carry (size of s1 to small) */
}
leave:
if (res_ptr != s1_ptr) { /* not the same variable */
mpi_size_t i; /* copy the rest */
for (i = 0; i < s1_size - 1; i++)
res_ptr[i] = s1_ptr[i];
}
return 0; /* no carry */
}
G10_MPI_INLINE_DECL mpi_limb_t
mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
mpi_ptr_t s2_ptr, mpi_size_t s2_size)
{
mpi_limb_t cy = 0;
if (s2_size)
cy = mpihelp_add_n(res_ptr, s1_ptr, s2_ptr, s2_size);
if (s1_size - s2_size)
cy = mpihelp_add_1(res_ptr + s2_size, s1_ptr + s2_size,
s1_size - s2_size, cy);
return cy;
}
G10_MPI_INLINE_DECL mpi_limb_t
mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
mpi_size_t s1_size, mpi_limb_t s2_limb)
{
mpi_limb_t x;
x = *s1_ptr++;
s2_limb = x - s2_limb;
*res_ptr++ = s2_limb;
if (s2_limb > x) {
while (--s1_size) {
x = *s1_ptr++;
*res_ptr++ = x - 1;
if (x)
goto leave;
}
return 1;
}
leave:
if (res_ptr != s1_ptr) {
mpi_size_t i;
for (i = 0; i < s1_size - 1; i++)
res_ptr[i] = s1_ptr[i];
}
return 0;
}
G10_MPI_INLINE_DECL mpi_limb_t
mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
mpi_ptr_t s2_ptr, mpi_size_t s2_size)
{
mpi_limb_t cy = 0;
if (s2_size)
cy = mpihelp_sub_n(res_ptr, s1_ptr, s2_ptr, s2_size);
if (s1_size - s2_size)
cy = mpihelp_sub_1(res_ptr + s2_size, s1_ptr + s2_size,
s1_size - s2_size, cy);
return cy;
}
#endif /*G10_MPI_INLINE_H */
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