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: %xmm0
  46. ..B1.1:
  47. .cfi_startproc
  48. ..___tag_value_floorf.1:
  49. ..L2:
  50. movaps %xmm0, %xmm2
  51. movss %xmm2, -16(%rsp)
  52. movzwl -14(%rsp), %eax
  53. andl $32640, %eax
  54. shrl $7, %eax
  55. cmpl $149, %eax
  56. jge ..B1.8
  57. ..B1.2:
  58. cmpl $127, %eax
  59. jl ..B1.4
  60. ..B1.3:
  61. movss .L_2il0floatpacket.0(%rip), %xmm1
  62. movaps %xmm1, %xmm0
  63. addss %xmm2, %xmm0
  64. movss %xmm0, -24(%rsp)
  65. movss -24(%rsp), %xmm3
  66. movss .L_2il0floatpacket.1(%rip), %xmm0
  67. subss %xmm1, %xmm3
  68. comiss %xmm2, %xmm3
  69. addss %xmm3, %xmm0
  70. ja ..L3
  71. movaps %xmm3, %xmm0
  72. ..L3:
  73. ret
  74. ..B1.4:
  75. testl %eax, %eax
  76. jne ..B1.7
  77. ..B1.5:
  78. testl $8388607, -16(%rsp)
  79. jne ..B1.7
  80. ..B1.6:
  81. movss -16(%rsp), %xmm0
  82. ret
  83. ..B1.7:
  84. movb -13(%rsp), %dl
  85. lea _pzero_none(%rip), %rcx
  86. andb $-128, %dl
  87. shrb $7, %dl
  88. movzbl %dl, %esi
  89. movl -16(%rsp), %eax
  90. movl %eax, -24(%rsp)
  91. movss (%rcx,%rsi,4), %xmm0
  92. ret
  93. ..B1.8:
  94. cmpl $150, %eax
  95. jge ..B1.6
  96. ..B1.9:
  97. movss -16(%rsp), %xmm1
  98. movss .L_2il0floatpacket.2(%rip), %xmm0
  99. testb $1, -16(%rsp)
  100. addss %xmm1, %xmm0
  101. jne ..L4
  102. movaps %xmm1, %xmm0
  103. ..L4:
  104. ret
  105. .align 16,0x90
  106. .cfi_endproc
  107. .type floorf,@function
  108. .size floorf,.-floorf
  109. .data
  110. # -- End floorf
  111. .section .rodata, "a"
  112. .align 4
  113. .align 4
  114. .L_2il0floatpacket.0:
  115. .long 0x4b400000
  116. .type .L_2il0floatpacket.0,@object
  117. .size .L_2il0floatpacket.0,4
  118. .align 4
  119. .L_2il0floatpacket.1:
  120. .long 0xbf800000
  121. .type .L_2il0floatpacket.1,@object
  122. .size .L_2il0floatpacket.1,4
  123. .align 4
  124. .L_2il0floatpacket.2:
  125. .long 0xbf000000
  126. .type .L_2il0floatpacket.2,@object
  127. .size .L_2il0floatpacket.2,4
  128. .align 4
  129. _pzero_none:
  130. .long 0
  131. .long 3212836864
  132. .type _pzero_none,@object
  133. .size _pzero_none,8
  134. .data
  135. .section .note.GNU-stack, ""
  136. // -- Begin DWARF2 SEGMENT .eh_frame
  137. .section .eh_frame,"a",@progbits
  138. .eh_frame_seg:
  139. .align 1
  140. # End