modf_wmt.S 4.2 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 "modf_wmt.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin static_func
  41. .text
  42. .align 16,0x90
  43. static_func:
  44. ..B1.1:
  45. ..L1:
  46. call ..L2
  47. ..L2:
  48. popl %eax
  49. lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax
  50. lea static_const_table@GOTOFF(%eax), %eax
  51. ret
  52. .align 16,0x90
  53. .type static_func,@function
  54. .size static_func,.-static_func
  55. .data
  56. # -- End static_func
  57. .text
  58. # -- Begin modf
  59. .text
  60. .align 16,0x90
  61. .globl modf
  62. modf:
  63. # parameter 1: 8 + %ebp
  64. # parameter 2: 16 + %ebp
  65. ..B2.1:
  66. ..L3:
  67. ..B2.2:
  68. pushl %ebp
  69. movl %esp, %ebp
  70. subl $120, %esp
  71. movl %ebx, 64(%esp)
  72. call static_func
  73. movl %eax, %ebx
  74. movsd 128(%esp), %xmm0
  75. movsd %xmm0, 16(%esp)
  76. movapd %xmm0, %xmm1
  77. movq (%ebx), %xmm2
  78. movq 32(%ebx), %xmm5
  79. movl 136(%esp), %ecx
  80. movdqa %xmm1, %xmm0
  81. psrlq $52, %xmm1
  82. pand %xmm0, %xmm5
  83. movq 16(%ebx), %xmm3
  84. movd %xmm1, %eax
  85. andl $2047, %eax
  86. subl $1023, %eax
  87. js .L_2TAG_PACKET_0.0.2
  88. cmpl $52, %eax
  89. jae .L_2TAG_PACKET_1.0.2
  90. pand %xmm3, %xmm1
  91. movdqa %xmm0, %xmm4
  92. psubd %xmm1, %xmm2
  93. psrlq %xmm2, %xmm4
  94. psllq %xmm2, %xmm4
  95. movq %xmm4, (%ecx)
  96. subsd %xmm4, %xmm0
  97. por %xmm5, %xmm0
  98. movq %xmm0, (%esp)
  99. fldl (%esp)
  100. jmp .L_2TAG_PACKET_2.0.2
  101. .L_2TAG_PACKET_0.0.2:
  102. movq %xmm5, (%ecx)
  103. fldl 16(%esp)
  104. jmp .L_2TAG_PACKET_2.0.2
  105. .L_2TAG_PACKET_1.0.2:
  106. ucomisd %xmm0, %xmm0
  107. jp .L_2TAG_PACKET_3.0.2
  108. movq %xmm0, (%ecx)
  109. movq %xmm5, (%esp)
  110. fldl (%esp)
  111. jmp .L_2TAG_PACKET_2.0.2
  112. .L_2TAG_PACKET_3.0.2:
  113. mulsd %xmm0, %xmm0
  114. movq %xmm0, (%ecx)
  115. movq %xmm0, (%esp)
  116. fldl (%esp)
  117. .L_2TAG_PACKET_2.0.2:
  118. movl 64(%esp), %ebx
  119. movl %ebp, %esp
  120. popl %ebp
  121. ret
  122. ..B2.3:
  123. .align 16,0x90
  124. .type modf,@function
  125. .size modf,.-modf
  126. .data
  127. # -- End modf
  128. .section .rodata, "a"
  129. .align 16
  130. .align 16
  131. static_const_table:
  132. .long 1075
  133. .long 0
  134. .long 1075
  135. .long 0
  136. .long 2047
  137. .long 0
  138. .long 2047
  139. .long 0
  140. .long 0
  141. .long 2147483648
  142. .long 0
  143. .long 2147483648
  144. .type static_const_table,@object
  145. .size static_const_table,48
  146. .data
  147. .section .note.GNU-stack, ""
  148. # End