- attempt to add streflop to win64 build

- CRAZY attempt to add x64 (win64) support to streflop via some new asm code!

source/shared_lib/sources/streflop/FPUSettings.asm

@@ -0,0 +1,64 @@
+;
+;  Copyright (c) 2010 The VP8 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.
+;
+
+
+_text SEGMENT
+; %ifidn __OUTPUT_FORMAT__,x64
+; %ifdef _WIN64
+
+streflop_winx64_fclex PROC FRAME
+
+	fclex
+	.endprolog
+	ret
+streflop_winx64_fclex ENDP
+
+streflop_winx64_fldcw PROC FRAME
+
+	fclex
+    mov qword ptr [rsp + 8], rcx
+    .ENDPROLOG
+    ldmxcsr [rsp + 8]
+    ret
+streflop_winx64_fldcw ENDP
+
+streflop_winx64_fstcw PROC FRAME
+
+    sub rsp, 8
+    .ENDPROLOG
+    stmxcsr [rsp]
+    mov rax, [rsp]
+    add rsp, 8
+    ret
+streflop_winx64_fstcw ENDP
+
+streflop_winx64_stmxcsr PROC FRAME
+
+    sub rsp, 8
+    .ENDPROLOG
+    stmxcsr [rsp]
+    mov rax, [rsp]
+    add rsp, 8
+    ret
+streflop_winx64_stmxcsr ENDP
+
+streflop_winx64_ldmxcsr PROC FRAME
+
+    sub rsp, 8
+    .ENDPROLOG
+    ldmxcsr [rsp]
+    mov rax, [rsp]
+    add rsp, 8
+    ret
+streflop_winx64_ldmxcsr ENDP
+
+;%endif
+
+end