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diff --git a/source/mupen64plus-core/src/r4300/x86/gcop1_l.c b/source/mupen64plus-core/src/r4300/x86/gcop1_l.c
new file mode 100644
index 0000000..6dd6254
--- /dev/null
+++ b/source/mupen64plus-core/src/r4300/x86/gcop1_l.c
@@ -0,0 +1,54 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Mupen64plus - gcop1_l.c                                               *
+ *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
+ *   Copyright (C) 2002 Hacktarux                                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "assemble.h"
+#include "interpret.h"
+
+#include "r4300/recomph.h"
+#include "r4300/r4300.h"
+#include "r4300/ops.h"
+
+void gencvt_s_l(void)
+{
+#ifdef INTERPRET_CVT_S_L
+   gencallinterp((unsigned int)cached_interpreter_table.CVT_S_L, 0);
+#else
+   gencheck_cop1_unusable();
+   mov_eax_memoffs32((unsigned int*)(&reg_cop1_double[dst->f.cf.fs]));
+   fild_preg32_qword(EAX);
+   mov_eax_memoffs32((unsigned int*)(&reg_cop1_simple[dst->f.cf.fd]));
+   fstp_preg32_dword(EAX);
+#endif
+}
+
+void gencvt_d_l(void)
+{
+#ifdef INTERPRET_CVT_D_L
+   gencallinterp((unsigned int)cached_interpreter_table.CVT_D_L, 0);
+#else
+   gencheck_cop1_unusable();
+   mov_eax_memoffs32((unsigned int*)(&reg_cop1_double[dst->f.cf.fs]));
+   fild_preg32_qword(EAX);
+   mov_eax_memoffs32((unsigned int*)(&reg_cop1_double[dst->f.cf.fd]));
+   fstp_preg32_qword(EAX);
+#endif
+}
+