79 lines
2.0 KiB
NASM
79 lines
2.0 KiB
NASM
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dnl mpn_nior_n
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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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C ret mpn_nior_n(mp_ptr,mp_srcptr,mp_srcptr,mp_size_t)
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C rax rdi, rsi, rdx, rcx
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ASM_START()
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PROLOGUE(mpn_nior_n)
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mov $3,%r8
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lea -24(%rsi,%rcx,8),%rsi
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lea -24(%rdx,%rcx,8),%rdx
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lea -24(%rdi,%rcx,8),%rdi
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pcmpeqb %xmm4,%xmm4
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sub %rcx,%r8
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jnc skiplp
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ALIGN(16)
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lp:
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movdqu (%rdx,%r8,8),%xmm0
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movdqu 16(%rdx,%r8,8),%xmm1
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movdqu (%rsi,%r8,8),%xmm2
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add $4,%r8
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movdqu 16-32(%rsi,%r8,8),%xmm3
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por %xmm3,%xmm1
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por %xmm2,%xmm0
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pxor %xmm4,%xmm0
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movdqu %xmm0,-32(%rdi,%r8,8)
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pxor %xmm4,%xmm1
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movdqu %xmm1,16-32(%rdi,%r8,8)
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jnc lp
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skiplp:
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cmp $2,%r8
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ja case0
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je case1
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jp case2
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case3: movdqu (%rdx,%r8,8),%xmm0
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mov 16(%rdx,%r8,8),%rax
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movdqu (%rsi,%r8,8),%xmm2
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mov 16(%rsi,%r8,8),%rcx
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or %rcx,%rax
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por %xmm2,%xmm0
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pxor %xmm4,%xmm0
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movdqu %xmm0,(%rdi,%r8,8)
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not %rax
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mov %rax,16(%rdi,%r8,8)
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case0: ret
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case2: movdqu (%rdx,%r8,8),%xmm0
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movdqu (%rsi,%r8,8),%xmm2
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por %xmm2,%xmm0
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pxor %xmm4,%xmm0
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movdqu %xmm0,(%rdi,%r8,8)
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ret
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case1: mov (%rdx,%r8,8),%rax
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mov (%rsi,%r8,8),%rcx
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or %rcx,%rax
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not %rax
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mov %rax,(%rdi,%r8,8)
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ret
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EPILOGUE()
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