vpx/vpx_ports/emms.asm
Frank Galligan f67d740b34 Add support for x64 and win64 yasm flags.
Some projects must define only win64 for Windows 64bit builds using
yasm.

Change-Id: I1d09590d66a7bfc8b4412e1cc8685978ac60b748
2013-01-31 16:25:37 -08:00

39 lines
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