aom/vpx_ports/emms.asm

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872 B
NASM

;
; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "vpx_ports/x86_abi_support.asm"
section .text
global sym(vpx_reset_mmx_state) PRIVATE
sym(vpx_reset_mmx_state):
emms
ret
%if LIBVPX_YASM_WIN64
global sym(vpx_winx64_fldcw) PRIVATE
sym(vpx_winx64_fldcw):
sub rsp, 8
mov [rsp], rcx ; win x64 specific
fldcw [rsp]
add rsp, 8
ret
global sym(vpx_winx64_fstcw) PRIVATE
sym(vpx_winx64_fstcw):
sub rsp, 8
fstcw [rsp]
mov rax, [rsp]
add rsp, 8
ret
%endif