l2q.S 3.2 KB

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  1. /*
  2. * Math library
  3. *
  4. * Copyright (C) 2016 Intel Corporation. All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * * Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * * Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in
  14. * the documentation and/or other materials provided with the
  15. * distribution.
  16. * * Neither the name of Intel Corporation nor the names of its
  17. * contributors may be used to endorse or promote products derived
  18. * from this software without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31. *
  32. *
  33. * Author Name <jingwei.zhang@intel.com>
  34. * History:
  35. * 03-14-2016 Initial version. numerics svn rev. 12864
  36. */
  37. .file "l2q.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin __ltoq
  41. .text
  42. .align 16,0x90
  43. .globl __ltoq
  44. __ltoq:
  45. # parameter 1: 32 + %esp
  46. # parameter 2: 36 + %esp
  47. ..B1.1:
  48. ..L1:
  49. pushl %edi
  50. subl $24, %esp
  51. ..B1.2:
  52. fnstcw 12(%esp)
  53. ..B1.3:
  54. movzwl 12(%esp), %eax
  55. orl $-64768, %eax
  56. movw %ax, 14(%esp)
  57. ..B1.4:
  58. fldcw 14(%esp)
  59. ..B1.5:
  60. fldt 36(%esp)
  61. call ..L2
  62. ..L2:
  63. popl %eax
  64. lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax
  65. fldt __l_one@GOTOFF(%eax)
  66. fmulp %st, %st(1)
  67. fstpt (%esp)
  68. ..B1.6:
  69. fldcw 12(%esp)
  70. ..B1.7:
  71. movl 32(%esp), %edx
  72. movl (%esp), %ecx
  73. movl %ecx, %edi
  74. shll $17, %edi
  75. movl %edi, 4(%edx)
  76. movl 4(%esp), %edi
  77. movl %edi, %eax
  78. shll $17, %eax
  79. shrl $15, %ecx
  80. shrl $15, %edi
  81. orl %ecx, %eax
  82. movl 8(%esp), %ecx
  83. movzwl %di, %edi
  84. shll $16, %ecx
  85. orl %ecx, %edi
  86. movl $0, (%edx)
  87. movl %eax, 8(%edx)
  88. movl %edi, 12(%edx)
  89. addl $24, %esp
  90. popl %edi
  91. ret
  92. .align 16,0x90
  93. .type __ltoq,@function
  94. .size __ltoq,.-__ltoq
  95. .data
  96. # -- End __ltoq
  97. .section .rodata, "a"
  98. .align 4
  99. .align 4
  100. __l_one:
  101. .long 0
  102. .long 2147483648
  103. .long 16383
  104. .type __l_one,@object
  105. .size __l_one,12
  106. .data
  107. .section .note.GNU-stack, ""
  108. # End