libm_fegetenv.S 2.6 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 "libm_fegetenv.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin fegetenv
  41. .text
  42. .align 16,0x90
  43. .globl fegetenv
  44. fegetenv:
  45. # parameter 1: %rdi
  46. ..B1.1:
  47. .cfi_startproc
  48. ..___tag_value_fegetenv.1:
  49. ..L2:
  50. subq $24, %rsp
  51. .cfi_def_cfa_offset 32
  52. movq %rdi, (%rsp)
  53. ..B1.2:
  54. stmxcsr 8(%rsp)
  55. ..B1.3:
  56. movq (%rsp), %rdx
  57. movl 8(%rsp), %eax
  58. movl %eax, 28(%rdx)
  59. ..B1.4:
  60. movq (%rsp), %rax
  61. ..B1.5:
  62. fnstenv (%rax)
  63. ..B1.6:
  64. fnclex
  65. ..B1.7:
  66. fldenv (%rax)
  67. ..B1.8:
  68. xorl %eax, %eax
  69. addq $24, %rsp
  70. .cfi_def_cfa_offset 8
  71. ret
  72. .align 16,0x90
  73. .cfi_endproc
  74. .type fegetenv,@function
  75. .size fegetenv,.-fegetenv
  76. .data
  77. # -- End fegetenv
  78. .data
  79. .section .note.GNU-stack, ""
  80. // -- Begin DWARF2 SEGMENT .eh_frame
  81. .section .eh_frame,"a",@progbits
  82. .eh_frame_seg:
  83. .align 1
  84. # End