fesetround.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 "fesetround.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin fesetround
  41. .text
  42. .align 16,0x90
  43. .globl fesetround
  44. fesetround:
  45. # parameter 1: 48 + %esp
  46. ..B1.1:
  47. ..L1:
  48. subl $44, %esp
  49. movl %gs:20, %eax
  50. movl 48(%esp), %edx
  51. xorl %esp, %eax
  52. movl %eax, 32(%esp)
  53. testl $-3073, %edx
  54. call ..L2
  55. ..L2:
  56. popl %ecx
  57. lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ecx), %ecx
  58. jne ..B1.9
  59. ..B1.2:
  60. fnstenv 4(%esp)
  61. ..B1.3:
  62. movzwl 4(%esp), %eax
  63. andl $-3073, %eax
  64. orl %edx, %eax
  65. movw %ax, 4(%esp)
  66. ..B1.4:
  67. fnclex
  68. ..B1.5:
  69. fldenv 4(%esp)
  70. ..B1.6:
  71. stmxcsr (%esp)
  72. movl (%esp), %eax
  73. ..B1.7:
  74. andl $-24577, %eax
  75. shll $3, %edx
  76. orl %edx, %eax
  77. movl %eax, (%esp)
  78. movl 32(%esp), %eax
  79. xorl %esp, %eax
  80. ldmxcsr (%esp)
  81. cmpl %gs:20, %eax
  82. jne ..B1.11
  83. ..B1.8:
  84. xorl %eax, %eax
  85. addl $44, %esp
  86. ret
  87. ..B1.9:
  88. movl 32(%esp), %eax
  89. xorl %esp, %eax
  90. cmpl %gs:20, %eax
  91. jne ..B1.11
  92. ..B1.10:
  93. movl $1, %eax
  94. addl $44, %esp
  95. ret
  96. ..B1.11:
  97. movl %ecx, %ebx
  98. call __stack_chk_fail@PLT
  99. .align 16,0x90
  100. .type fesetround,@function
  101. .size fesetround,.-fesetround
  102. .data
  103. # -- End fesetround
  104. .data
  105. .section .note.GNU-stack, ""
  106. # End