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dnl MIPS64 mpn_add_n -- Add two limb vectors of the same length > 0 and store
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dnl sum in a third limb vector.
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dnl Copyright 1995, 2000-2002, 2011 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP 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 General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C INPUT PARAMETERS
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C res_ptr $4
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C s1_ptr $5
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C s2_ptr $6
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C size $7
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ASM_START()
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PROLOGUE(mpn_add_nc)
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ld $10,0($5)
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ld $11,0($6)
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daddiu $7,$7,-1
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and $9,$7,4-1 C number of limbs in first loop
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beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
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move $2,$8
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b .Loop0
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dsubu $7,$7,$9
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EPILOGUE()
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PROLOGUE(mpn_add_n)
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ld $10,0($5)
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ld $11,0($6)
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daddiu $7,$7,-1
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and $9,$7,4-1 C number of limbs in first loop
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beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
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move $2,$0
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dsubu $7,$7,$9
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.Loop0: daddiu $9,$9,-1
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ld $12,8($5)
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daddu $11,$11,$2
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ld $13,8($6)
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sltu $8,$11,$2
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daddu $11,$10,$11
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sltu $2,$11,$10
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sd $11,0($4)
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or $2,$2,$8
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daddiu $5,$5,8
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daddiu $6,$6,8
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move $10,$12
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move $11,$13
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bne $9,$0,.Loop0
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daddiu $4,$4,8
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.L0: beq $7,$0,.Lend
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nop
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.Loop: daddiu $7,$7,-4
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ld $12,8($5)
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daddu $11,$11,$10
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ld $13,8($6)
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sltu $8,$11,$10
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daddu $11,$11,$2
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sltu $2,$11,$2
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sd $11,0($4)
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or $2,$2,$8
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ld $10,16($5)
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daddu $13,$13,$12
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ld $11,16($6)
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sltu $8,$13,$12
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daddu $13,$13,$2
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sltu $2,$13,$2
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sd $13,8($4)
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or $2,$2,$8
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ld $12,24($5)
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daddu $11,$11,$10
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ld $13,24($6)
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sltu $8,$11,$10
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daddu $11,$11,$2
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sltu $2,$11,$2
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sd $11,16($4)
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or $2,$2,$8
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ld $10,32($5)
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daddu $13,$13,$12
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ld $11,32($6)
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sltu $8,$13,$12
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daddu $13,$13,$2
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sltu $2,$13,$2
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sd $13,24($4)
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or $2,$2,$8
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daddiu $5,$5,32
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daddiu $6,$6,32
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bne $7,$0,.Loop
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daddiu $4,$4,32
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.Lend: daddu $11,$11,$2
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sltu $8,$11,$2
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daddu $11,$10,$11
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sltu $2,$11,$10
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sd $11,0($4)
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j $31
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or $2,$2,$8
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EPILOGUE()
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