floorf_gen.S 4.0 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 "floorf_gen.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin floorf
  41. .text
  42. .align 16,0x90
  43. .globl floorf
  44. floorf:
  45. # parameter 1: 16 + %esp
  46. ..B1.1:
  47. ..L1:
  48. subl $12, %esp
  49. movzwl 18(%esp), %eax
  50. andl $32640, %eax
  51. shrl $7, %eax
  52. call ..L2
  53. ..L2:
  54. popl %edx
  55. lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%edx), %edx
  56. cmpl $149, %eax
  57. jge ..B1.11
  58. ..B1.2:
  59. cmpl $127, %eax
  60. jl ..B1.7
  61. ..B1.3:
  62. flds .L_2il0floatpacket.0@GOTOFF(%edx)
  63. flds 16(%esp)
  64. fld %st(0)
  65. fadd %st(2), %st
  66. fstps (%esp)
  67. flds (%esp)
  68. fsubp %st, %st(2)
  69. fcomp %st(1)
  70. fnstsw %ax
  71. sahf
  72. jae ..B1.6
  73. jp ..B1.6
  74. ..B1.4:
  75. fadds .L_2il0floatpacket.1@GOTOFF(%edx)
  76. ..B1.6:
  77. addl $12, %esp
  78. ret
  79. ..B1.7:
  80. testl %eax, %eax
  81. jne ..B1.10
  82. ..B1.8:
  83. testl $8388607, 16(%esp)
  84. jne ..B1.10
  85. ..B1.9:
  86. flds 16(%esp)
  87. addl $12, %esp
  88. ret
  89. ..B1.10:
  90. movzbl 19(%esp), %ecx
  91. andl $128, %ecx
  92. shrl $7, %ecx
  93. movl 16(%esp), %eax
  94. movl %eax, (%esp)
  95. flds _pzero_none@GOTOFF(%edx,%ecx,4)
  96. addl $12, %esp
  97. ret
  98. ..B1.11:
  99. cmpl $150, %eax
  100. jge ..B1.16
  101. ..B1.12:
  102. flds 16(%esp)
  103. testb $1, 16(%esp)
  104. je ..B1.15
  105. ..B1.13:
  106. fadds .L_2il0floatpacket.2@GOTOFF(%edx)
  107. ..B1.15:
  108. addl $12, %esp
  109. ret
  110. ..B1.16:
  111. flds 16(%esp)
  112. addl $12, %esp
  113. ret
  114. .align 16,0x90
  115. .type floorf,@function
  116. .size floorf,.-floorf
  117. .data
  118. # -- End floorf
  119. .section .rodata, "a"
  120. .align 4
  121. .align 4
  122. .L_2il0floatpacket.0:
  123. .long 0x4b400000
  124. .type .L_2il0floatpacket.0,@object
  125. .size .L_2il0floatpacket.0,4
  126. .align 4
  127. .L_2il0floatpacket.1:
  128. .long 0xbf800000
  129. .type .L_2il0floatpacket.1,@object
  130. .size .L_2il0floatpacket.1,4
  131. .align 4
  132. .L_2il0floatpacket.2:
  133. .long 0xbf000000
  134. .type .L_2il0floatpacket.2,@object
  135. .size .L_2il0floatpacket.2,4
  136. .align 4
  137. _pzero_none:
  138. .long 0
  139. .long 3212836864
  140. .type _pzero_none,@object
  141. .size _pzero_none,8
  142. .data
  143. .section .note.GNU-stack, ""
  144. # End