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add_n.asm
Package: gmp-5.0.1.tar.gz　[view]
Upload User: qaz666999
Upload Date: 2022-08-06
Package Size: 2570k
Code Size: 2k
Category:

Algorithm

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Unix_Linux

add_n.asm：Code Content
  1. dnl  MIPS32 mpn_add_n -- Add two limb vectors of the same length > 0 and store
  2. dnl  sum in a third limb vector.
  4. dnl  Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
  6. dnl  This file is part of the GNU MP Library.
  8. dnl  The GNU MP Library is free software; you can redistribute it and/or modify
  9. dnl  it under the terms of the GNU Lesser General Public License as published
  10. dnl  by the Free Software Foundation; either version 3 of the License, or (at
  11. dnl  your option) any later version.
  13. dnl  The GNU MP Library is distributed in the hope that it will be useful, but
  14. dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15. dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  16. dnl  License for more details.
  18. dnl  You should have received a copy of the GNU Lesser General Public License
  19. dnl  along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.
  21. include(`../config.m4')
  23. C INPUT PARAMETERS
  24. C res_ptr $4
  25. C s1_ptr $5
  26. C s2_ptr $6
  27. C size $7
  29. ASM_START()
  30. PROLOGUE(mpn_add_n)
  32. lw $10,0($5)
  33. lw $11,0($6)
  35. addiu $7,$7,-1
  36. and $9,$7,4-1 C number of limbs in first loop
  37. beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
  38.  move $2,$0
  40. subu $7,$7,$9
  42. .Loop0: addiu $9,$9,-1
  43. lw $12,4($5)
  44. addu $11,$11,$2
  45. lw $13,4($6)
  46. sltu $8,$11,$2
  47. addu $11,$10,$11
  48. sltu $2,$11,$10
  49. sw $11,0($4)
  50. or $2,$2,$8
  52. addiu $5,$5,4
  53. addiu $6,$6,4
  54. move $10,$12
  55. move $11,$13
  56. bne $9,$0,.Loop0
  57.  addiu $4,$4,4
  59. .L0: beq $7,$0,.Lend
  60.  nop
  62. .Loop: addiu $7,$7,-4
  64. lw $12,4($5)
  65. addu $11,$11,$2
  66. lw $13,4($6)
  67. sltu $8,$11,$2
  68. addu $11,$10,$11
  69. sltu $2,$11,$10
  70. sw $11,0($4)
  71. or $2,$2,$8
  73. lw $10,8($5)
  74. addu $13,$13,$2
  75. lw $11,8($6)
  76. sltu $8,$13,$2
  77. addu $13,$12,$13
  78. sltu $2,$13,$12
  79. sw $13,4($4)
  80. or $2,$2,$8
  82. lw $12,12($5)
  83. addu $11,$11,$2
  84. lw $13,12($6)
  85. sltu $8,$11,$2
  86. addu $11,$10,$11
  87. sltu $2,$11,$10
  88. sw $11,8($4)
  89. or $2,$2,$8
  91. lw $10,16($5)
  92. addu $13,$13,$2
  93. lw $11,16($6)
  94. sltu $8,$13,$2
  95. addu $13,$12,$13
  96. sltu $2,$13,$12
  97. sw $13,12($4)
  98. or $2,$2,$8
  100. addiu $5,$5,16
  101. addiu $6,$6,16
  103. bne $7,$0,.Loop
  104.  addiu $4,$4,16
  106. .Lend: addu $11,$11,$2
  107. sltu $8,$11,$2
  108. addu $11,$10,$11
  109. sltu $2,$11,$10
  110. sw $11,0($4)
  111. j $31
  112. or $2,$2,$8
  113. EPILOGUE(mpn_add_n)