60beb781c1
This reverts commit 118a57045b.
Reason for revert: Fails on Visual Studio builds:
vpxmdd.lib(vpx_ports_emms_mmx.obj) : error LNK2019: unresolved
external symbol _m_empty referenced in function
vpx_clear_system_state
Original change's description:
> use intrinsics for 'emms'
>
> BUG=webm:1500
>
> Change-Id: I3235d8c2abc01dd3a35e14c5cbcfe20283ff8fb2
Change-Id: Ia9c40bc103c57cced83353249c55218eaf2f0b0c
39 lines
872 B
NASM
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
|