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2.5-18.1
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@@ -1,95 +0,0 @@
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/* MIPS2 __mpn_rshift --
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Copyright (C) 1995, 2000, 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include <sysdep.h>
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/* INPUT PARAMETERS
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res_ptr $4
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src_ptr $5
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size $6
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cnt $7
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*/
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#ifdef __PIC__
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.option pic2
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#endif
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ENTRY (__mpn_rshift)
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.set noreorder
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#ifdef __PIC__
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.cpload t9
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#endif
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.set nomacro
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lw $10,0($5) /* load first limb */
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subu $13,$0,$7
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addiu $6,$6,-1
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and $9,$6,4-1 /* number of limbs in first loop */
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beq $9,$0,L(L0) /* if multiple of 4 limbs, skip first loop*/
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sll $2,$10,$13 /* compute function result */
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subu $6,$6,$9
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L(Loop0): lw $3,4($5)
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addiu $4,$4,4
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addiu $5,$5,4
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addiu $9,$9,-1
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srl $11,$10,$7
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sll $12,$3,$13
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move $10,$3
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or $8,$11,$12
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bne $9,$0,L(Loop0)
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sw $8,-4($4)
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L(L0): beq $6,$0,L(Lend)
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nop
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L(Loop): lw $3,4($5)
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addiu $4,$4,16
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addiu $6,$6,-4
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srl $11,$10,$7
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sll $12,$3,$13
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lw $10,8($5)
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srl $14,$3,$7
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or $8,$11,$12
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sw $8,-16($4)
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sll $9,$10,$13
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lw $3,12($5)
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srl $11,$10,$7
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or $8,$14,$9
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sw $8,-12($4)
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sll $12,$3,$13
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lw $10,16($5)
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srl $14,$3,$7
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or $8,$11,$12
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sw $8,-8($4)
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sll $9,$10,$13
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addiu $5,$5,16
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or $8,$14,$9
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bgtz $6,L(Loop)
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sw $8,-4($4)
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L(Lend): srl $8,$10,$7
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j $31
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sw $8,0($4)
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END (__mpn_rshift)
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