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5dab2a3195
The gmp-arch.h now provides all the required definitions. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Multiprecision generic functions. x86 version.
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Copyright (C) 2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef __GMP_X64_ARCH_H
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#define __GMP_X64_ARCH_H
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#include <gmp.h>
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static __always_inline void
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udiv_qrnnd_x86 (mp_limb_t *q, mp_limb_t *r, mp_limb_t n1, mp_limb_t n0,
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mp_limb_t d)
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{
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#ifdef __x86_64__
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asm ("div{q} %4"
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: "=a" (*q),
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"=d" (*r)
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: "0" (n0),
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"1" (n1),
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"rm" (d));
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#else
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asm ("div{l} %4"
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: "=a" (*q),
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"=d" (*r)
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: "0" (n0),
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"1" (n1),
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"rm" (d));
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#endif
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}
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#define UDIV_NEEDS_NORMALIZATION 0
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#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \
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udiv_qrnnd_x86 (&__q, &__r, __n1, __n0, __d)
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#include <sysdeps/generic/gmp-arch.h>
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#endif
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