hypot_gen.S 3.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143
  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 "hypot_gen.c"
  38. .text
  39. ..TXTST0:
  40. # -- Begin hypot
  41. .text
  42. .align 16,0x90
  43. .globl hypot
  44. hypot:
  45. # parameter 1: %xmm0
  46. # parameter 2: %xmm1
  47. ..B1.1:
  48. .cfi_startproc
  49. ..___tag_value_hypot.1:
  50. ..L2:
  51. subq $40, %rsp
  52. .cfi_def_cfa_offset 48
  53. xorb %cl, %cl
  54. movsd %xmm0, 8(%rsp)
  55. movsd %xmm1, 16(%rsp)
  56. ..B1.2:
  57. fnstcw 34(%rsp)
  58. ..B1.3:
  59. movzwl 34(%rsp), %edx
  60. movl %edx, %eax
  61. andl $768, %eax
  62. cmpl $768, %eax
  63. je ..B1.7
  64. ..B1.4:
  65. orl $-64768, %edx
  66. movw %dx, 32(%rsp)
  67. ..B1.5:
  68. fldcw 32(%rsp)
  69. ..B1.6:
  70. movb $1, %cl
  71. ..B1.7:
  72. fldl 8(%rsp)
  73. fmull 8(%rsp)
  74. fldl 16(%rsp)
  75. fmull 16(%rsp)
  76. faddp
  77. fsqrt
  78. fstpl 24(%rsp)
  79. ..B1.8:
  80. testb %cl, %cl
  81. je ..B1.10
  82. ..B1.9:
  83. fldcw 34(%rsp)
  84. ..B1.10:
  85. movq $0x7ff0000000000000, %rcx
  86. movq 24(%rsp), %rax
  87. cmpq %rcx, %rax
  88. jb ..B1.19
  89. ..B1.11:
  90. movq 8(%rsp), %rdx
  91. movq 16(%rsp), %rsi
  92. btrq $63, %rdx
  93. btrq $63, %rsi
  94. cmpq %rcx, %rax
  95. je ..B1.17
  96. ..B1.12:
  97. cmpq %rcx, %rdx
  98. jne ..B1.14
  99. ..B1.13:
  100. movq %rdx, (%rsp)
  101. movsd (%rsp), %xmm0
  102. movsd %xmm0, 24(%rsp)
  103. addq $40, %rsp
  104. .cfi_def_cfa_offset 8
  105. ret
  106. .cfi_def_cfa_offset 48
  107. ..B1.14:
  108. cmpq %rcx, %rsi
  109. jne ..B1.17
  110. ..B1.15:
  111. movq %rsi, (%rsp)
  112. movsd (%rsp), %xmm0
  113. movsd %xmm0, 24(%rsp)
  114. addq $40, %rsp
  115. .cfi_def_cfa_offset 8
  116. ret
  117. .cfi_def_cfa_offset 48
  118. ..B1.17:
  119. movsd 24(%rsp), %xmm0
  120. ..B1.18:
  121. addq $40, %rsp
  122. .cfi_def_cfa_offset 8
  123. ret
  124. .cfi_def_cfa_offset 48
  125. ..B1.19:
  126. movsd 24(%rsp), %xmm0
  127. addq $40, %rsp
  128. .cfi_def_cfa_offset 8
  129. ret
  130. .align 16,0x90
  131. .cfi_endproc
  132. .type hypot,@function
  133. .size hypot,.-hypot
  134. .data
  135. # -- End hypot
  136. .data
  137. .section .note.GNU-stack, ""
  138. // -- Begin DWARF2 SEGMENT .eh_frame
  139. .section .eh_frame,"a",@progbits
  140. .eh_frame_seg:
  141. .align 1
  142. # End