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-rw-r--r--media/libvpx/vpx_ports/emms.asm38
1 files changed, 38 insertions, 0 deletions
diff --git a/media/libvpx/vpx_ports/emms.asm b/media/libvpx/vpx_ports/emms.asm
new file mode 100644
index 0000000000..db8da28737
--- /dev/null
+++ b/media/libvpx/vpx_ports/emms.asm
@@ -0,0 +1,38 @@
+;
+; 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