2009-09-06 08:49:19 -04:00
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dnl mpn_store
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dnl Copyright 2009 Jason Moxham
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dnl This file is part of the MPIR Library.
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dnl The MPIR Library is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 2.1 of the License, or (at
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dnl your option) any later version.
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dnl The MPIR Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the MPIR Library; see the file COPYING.LIB. If not, write
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dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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dnl Boston, MA 02110-1301, USA.
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include(`../config.m4')
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2009-10-15 20:45:14 -04:00
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define(`MOVQ',`movd')
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2009-09-06 08:49:19 -04:00
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C mpn_store(mp_ptr,mp_size_t,mp_limb_t val)
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C rax rdi, rsi, rdx
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ASM_START()
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PROLOGUE(mpn_store)
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cmp $0,%rsi
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jz case0
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2009-10-15 20:45:14 -04:00
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MOVQ %rdx,%xmm0
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2009-09-06 08:49:19 -04:00
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movddup %xmm0,%xmm0
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lea -16(%rdi),%rdi
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test $0xF,%rdi
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jz notodd
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mov %rdx,16(%rdi)
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lea 8(%rdi),%rdi
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sub $1,%rsi
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notodd:
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sub $2,%rsi
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jc skiplp
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ALIGN(16)
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lp:
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lea 16(%rdi),%rdi
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sub $2,%rsi
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movdqa %xmm0,(%rdi)
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jnc lp
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skiplp:
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jnp case0
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mov %rdx,16(%rdi)
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case0:
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ret
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EPILOGUE()
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