vpx_ports/emms.asm

   1 ;
   2 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3 ;
   4 ;  Use of this source code is governed by a BSD-style license
   5 ;  that can be found in the LICENSE file in the root of the source
   6 ;  tree. An additional intellectual property rights grant can be found
   7 ;  in the file PATENTS.  All contributing project authors may
   8 ;  be found in the AUTHORS file in the root of the source tree.
   9 ;
  10
  11
  12 %include "vpx_ports/x86_abi_support.asm"
  13
  14 section .text
  15     global sym(vpx_reset_mmx_state)
  16 sym(vpx_reset_mmx_state):
  17     emms
  18     ret
  19
  20
  21 %ifidn __OUTPUT_FORMAT__,x64
  22 global sym(vpx_winx64_fldcw)
  23 sym(vpx_winx64_fldcw):
  24     sub   rsp, 8
  25     mov   [rsp], rcx ; win x64 specific
  26     fldcw [rsp]
  27     add   rsp, 8
  28     ret
  29
  30
  31 global sym(vpx_winx64_fstcw)
  32 sym(vpx_winx64_fstcw):
  33     sub   rsp, 8
  34     fstcw [rsp]
  35     mov   rax, [rsp]
  36     add   rsp, 8
  37     ret
  38 %endif