mirror of git://sourceware.org/git/glibc.git
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Multiprecision generic functions. x86 version.
|
|
Copyright (C) 2025 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C 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 C 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 C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef __GMP_X64_ARCH_H
|
|
#define __GMP_X64_ARCH_H
|
|
|
|
#include <gmp.h>
|
|
|
|
static __always_inline void
|
|
udiv_qrnnd_x86 (mp_limb_t *q, mp_limb_t *r, mp_limb_t n1, mp_limb_t n0,
|
|
mp_limb_t d)
|
|
{
|
|
#ifdef __x86_64__
|
|
asm ("div{q} %4"
|
|
: "=a" (*q),
|
|
"=d" (*r)
|
|
: "0" (n0),
|
|
"1" (n1),
|
|
"rm" (d));
|
|
#else
|
|
asm ("div{l} %4"
|
|
: "=a" (*q),
|
|
"=d" (*r)
|
|
: "0" (n0),
|
|
"1" (n1),
|
|
"rm" (d));
|
|
#endif
|
|
}
|
|
#define UDIV_NEEDS_NORMALIZATION 0
|
|
#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \
|
|
udiv_qrnnd_x86 (&__q, &__r, __n1, __n0, __d)
|
|
|
|
#include <sysdeps/generic/gmp-arch.h>
|
|
|
|
#endif
|