aom_ports/float.asm

   1 ;
   2 ; Copyright (c) 2016, Alliance for Open Media. All rights reserved
   3 ;
   4 ; This source code is subject to the terms of the BSD 2 Clause License and
   5 ; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6 ; was not distributed with this source code in the LICENSE file, you can
   7 ; obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8 ; Media Patent License 1.0 was not distributed with this source code in the
   9 ; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10 ;
  11
  12
  13 %include "aom_ports/x86_abi_support.asm"
  14
  15 section .text
  16 %if LIBAOM_YASM_WIN64
  17 globalsym(aom_winx64_fldcw)
  18 sym(aom_winx64_fldcw):
  19     sub   rsp, 8
  20     mov   [rsp], rcx ; win x64 specific
  21     fldcw [rsp]
  22     add   rsp, 8
  23     ret
  24
  25
  26 globalsym(aom_winx64_fstcw)
  27 sym(aom_winx64_fstcw):
  28     sub   rsp, 8
  29     fstcw [rsp]
  30     mov   rax, [rsp]
  31     add   rsp, 8
  32     ret
  33 %endif