roundf_gen.S 3.5 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 "roundf_gen.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin roundf
  41. .text
  42. .align 16,0x90
  43. .globl roundf
  44. roundf:
  45. # parameter 1: %xmm0
  46. ..B1.1:
  47. .cfi_startproc
  48. ..___tag_value_roundf.1:
  49. ..L2:
  50. subq $24, %rsp
  51. .cfi_def_cfa_offset 32
  52. movss %xmm0, 8(%rsp)
  53. ..B1.2:
  54. movl 8(%rsp), %eax
  55. testl %eax, %eax
  56. jl .L_2TAG_PACKET_0.0.1
  57. cmpl $1056964608, %eax
  58. jl .L_2TAG_PACKET_1.0.1
  59. cmpl $1258291200, %eax
  60. jge .L_2TAG_PACKET_2.0.1
  61. cmpl $1065353216, %eax
  62. je .L_2TAG_PACKET_2.0.1
  63. addss half(%rip), %xmm0
  64. cvttss2si %xmm0, %eax
  65. cvtsi2ss %eax, %xmm0
  66. jmp ..B1.4
  67. .L_2TAG_PACKET_1.0.1:
  68. pxor %xmm0, %xmm0
  69. jmp ..B1.4
  70. .L_2TAG_PACKET_2.0.1:
  71. movss 8(%rsp), %xmm0
  72. jmp ..B1.4
  73. .L_2TAG_PACKET_3.0.1:
  74. movss nzero(%rip), %xmm0
  75. jmp ..B1.4
  76. .L_2TAG_PACKET_0.0.1:
  77. andl $2147483647, %eax
  78. cmpl $1056964608, %eax
  79. jl .L_2TAG_PACKET_3.0.1
  80. cmpl $1258291200, %eax
  81. jge .L_2TAG_PACKET_2.0.1
  82. cmpl $1065353216, %eax
  83. je .L_2TAG_PACKET_2.0.1
  84. subss half(%rip), %xmm0
  85. cvttss2si %xmm0, %eax
  86. cvtsi2ss %eax, %xmm0
  87. movss %xmm0, (%rsp)
  88. .L_2TAG_PACKET_4.0.1:
  89. ..B1.4:
  90. addq $24, %rsp
  91. .cfi_def_cfa_offset 8
  92. ret
  93. .align 16,0x90
  94. .cfi_endproc
  95. .type roundf,@function
  96. .size roundf,.-roundf
  97. .data
  98. # -- End roundf
  99. .section .rodata, "a"
  100. .align 4
  101. .align 4
  102. half:
  103. .long 1056964608
  104. .type half,@object
  105. .size half,4
  106. .align 4
  107. nzero:
  108. .long 2147483648
  109. .type nzero,@object
  110. .size nzero,4
  111. .data
  112. .section .note.GNU-stack, ""
  113. // -- Begin DWARF2 SEGMENT .eh_frame
  114. .section .eh_frame,"a",@progbits
  115. .eh_frame_seg:
  116. .align 1
  117. # End