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diff --git a/libjava/classpath/native/target/generic/target_generic_math_int.h b/libjava/classpath/native/target/generic/target_generic_math_int.h
new file mode 100644
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+++ b/libjava/classpath/native/target/generic/target_generic_math_int.h
@@ -0,0 +1,260 @@
+/* generic_math_int64.h - Native methods for 64bit math operations
+   Copyright (C) 1998 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+ 
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+/*
+Description: generic target defintions of int/int64 constants/
+             macros/functions
+Systems    : all
+*/
+
+#ifndef __TARGET_GENERIC_MATH_INT__
+#define __TARGET_GENERIC_MATH_INT__
+
+/* check if target_native_math_int.h included */
+#ifndef __TARGET_NATIVE_MATH_INT__
+  #error Do NOT INCLUDE generic target files! Include the corresponding native target files instead!
+#endif
+
+/****************************** Includes *******************************/
+/* do not move; needed here because of some macro definitions */
+#include "config.h"
+
+#include <stdlib.h>
+#include <assert.h>
+
+/****************** Conditional compilation switches *******************/
+
+/***************************** Constants *******************************/
+#ifndef TARGET_NATIVE_MATH_INT_INT64_CONST_0
+  #define TARGET_NATIVE_MATH_INT_INT64_CONST_0 0LL
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_CONST_1
+  #define TARGET_NATIVE_MATH_INT_INT64_CONST_1 1LL
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_CONST_MINUS_1
+  #define TARGET_NATIVE_MATH_INT_INT64_CONST_MINUS_1 -1LL
+#endif
+
+/***************************** Datatypes *******************************/
+
+/***************************** Variables *******************************/
+
+/****************************** Macros *********************************/
+
+/* math operations */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_ADD
+  #define TARGET_NATIVE_MATH_INT_INT64_ADD(v1,v2) ((v1)+(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_SUB
+  #define TARGET_NATIVE_MATH_INT_INT64_SUB(v1,v2) ((v1)-(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_MUL
+  #define TARGET_NATIVE_MATH_INT_INT64_MUL(v1,v2) ((v1)*(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_DIV
+  #define TARGET_NATIVE_MATH_INT_INT64_DIV(v1,v2) ((v1)/(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_MOD
+  #define TARGET_NATIVE_MATH_INT_INT64_MOD(v1,v2) ((v1)%(v2))
+#endif
+
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_ADD
+  #define TARGET_NATIVE_MATH_INT_UINT64_ADD(v1,v2) ((v1)+(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_SUB
+  #define TARGET_NATIVE_MATH_INT_UINT64_SUB(v1,v2) ((v1)-(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_MUL
+  #define TARGET_NATIVE_MATH_INT_UINT64_MUL(v1,v2) ((v1)*(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_DIV
+  #define TARGET_NATIVE_MATH_INT_UINT64_DIV(v1,v2) ((v1)/(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_MOD
+  #define TARGET_NATIVE_MATH_INT_UINT64_MOD(v1,v2) ((v1)%(v2))
+#endif
+
+/* bit operations */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_AND
+  #define TARGET_NATIVE_MATH_INT_INT64_AND(v1,v2) ((v1)&(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_OR
+  #define TARGET_NATIVE_MATH_INT_INT64_OR(v1,v2)  ((v1)|(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_XOR
+  #define TARGET_NATIVE_MATH_INT_INT64_XOR(v1,v2) ((v1)^(v2))
+#endif
+
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_AND
+  #define TARGET_NATIVE_MATH_INT_UINT64_AND(v1,v2) ((v1)&(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_OR
+  #define TARGET_NATIVE_MATH_INT_UINT64_OR(v1,v2)  ((v1)|(v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_XOR
+  #define TARGET_NATIVE_MATH_INT_UINT64_XOR(v1,v2) ((v1)^(v2))
+#endif
+
+/* shift operations */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_SHIFTL
+  #define TARGET_NATIVE_MATH_INT_INT64_SHIFTL(v,l)  ((v)<<(l))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_SHIFTR
+  #define TARGET_NATIVE_MATH_INT_INT64_SHIFTR(v,l)  (((v)>>(l)) |  (((v)>=0) ? 0 : (0xffffFFFFffffFFFFLL << (64-(l)))))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_SHIFTR
+  #define TARGET_NATIVE_MATH_INT_UINT64_SHIFTR(v,l) (((v)>>(l)) & ~(((v)>=0) ? 0 : (0xffffFFFFffffFFFFLL << (64-(l)))))
+#endif
+
+/* negation */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_NEG
+  #define TARGET_NATIVE_MATH_INT_INT64_NEG(v) (-(v))
+#endif
+
+/* increment/decrement routines */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_INC
+  #define TARGET_NATIVE_MATH_INT_INT64_INC(v) { v++; } 
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_DEC
+  #define TARGET_NATIVE_MATH_INT_INT64_DEC(v) { v--; }
+#endif
+
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_INC
+  #define TARGET_NATIVE_MATH_INT_UINT64_INC(v) { v++; }
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_DEC
+  #define TARGET_NATIVE_MATH_INT_UINT64_DEC(v) { v--; } 
+#endif
+
+/* comparison routines */
+#ifndef TARGET_NATIVE_MATH_INT_INT64_EQ
+  #define TARGET_NATIVE_MATH_INT_INT64_EQ(v1,v2) ((v1) == (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_NE
+  #define TARGET_NATIVE_MATH_INT_INT64_NE(v1,v2) ((v1) != (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_LT
+  #define TARGET_NATIVE_MATH_INT_INT64_LT(v1,v2) ((v1) <  (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_LE
+  #define TARGET_NATIVE_MATH_INT_INT64_LE(v1,v2) ((v1) <= (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_GT
+  #define TARGET_NATIVE_MATH_INT_INT64_GT(v1,v2) ((v1) >  (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_GE
+  #define TARGET_NATIVE_MATH_INT_INT64_GE(v1,v2) ((v1) >= (v2))
+#endif
+
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_EQ
+  #define TARGET_NATIVE_MATH_INT_UINT64_EQ(v1,v2) ((v1) == (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_NE
+  #define TARGET_NATIVE_MATH_INT_UINT64_NE(v1,v2) ((v1) != (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_LT
+  #define TARGET_NATIVE_MATH_INT_UINT64_LT(v1,v2) ((v1) <  (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_LE
+  #define TARGET_NATIVE_MATH_INT_UINT64_LE(v1,v2) ((v1) <= (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_GT
+  #define TARGET_NATIVE_MATH_INT_UINT64_GT(v1,v2) ((v1) >  (v2))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_GE
+  #define TARGET_NATIVE_MATH_INT_UINT64_GE(v1,v2) ((v1) >= (v2))
+#endif
+
+/* type conversion routines */
+#ifndef TARGET_NATIVE_MATH_INT_INT32_TO_INT64
+  #define TARGET_NATIVE_MATH_INT_INT32_TO_INT64(v)   ((jlong)(v))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT32_TO_UINT64
+  #define TARGET_NATIVE_MATH_INT_UINT32_TO_UINT64(v) ((jlong)(v))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_TO_INT32
+  #define TARGET_NATIVE_MATH_INT_INT64_TO_INT32(v)   ((jint )(v))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_TO_UINT32
+  #define TARGET_NATIVE_MATH_INT_UINT64_TO_UINT32(v) ((jint)(v))
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_TO_DOUBLE
+  #define TARGET_NATIVE_MATH_INT_INT64_TO_DOUBLE(v)  ((jdouble)(v))
+#endif
+
+/* combine/split int32 low/high values <-> int64 values */
+#ifndef TARGET_NATIVE_MATH_INT_INT32_LOW_HIGH_TO_INT64
+  #define TARGET_NATIVE_MATH_INT_INT32_LOW_HIGH_TO_INT64(low,high,v) \
+    do { \
+      (v)=((((jlong)(high)) << 32) | ((((jlong)(low)) <<  0) & 0x00000000ffffFFFFLL)); \
+    } while (0)
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT32_LOW_HIGH_TO_UINT64
+  #define TARGET_NATIVE_MATH_INT_UINT32_LOW_HIGH_TO_UINT64(low,high,v) \
+    do { \
+      (v)=((((jlong)(high)) << 32) | ((((jlong)(low)) <<  0) & 0x00000000ffffFFFFLL)); \
+    } while (0)
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_INT64_TO_INT32_LOW_HIGH
+  #define TARGET_NATIVE_MATH_INT_INT64_TO_INT32_LOW_HIGH(v,low,high) \
+    do { \
+      (high)=((v) & 0xFFFFffff00000000L) >> 32; \
+      (low) =((v) & 0x00000000FFFFffffL) >>  0; \
+    } while (0)
+#endif
+#ifndef TARGET_NATIVE_MATH_INT_UINT64_TO_UINT32_LOW_HIGH
+  #define TARGET_NATIVE_MATH_INT_UINT64_TO_UINT32_LOW_HIGH(v,low,high) \
+    do { \
+      (high)=((v) & 0xFFFFffff00000000L) >> 32; \
+      (low) =((v) & 0x00000000FFFFffffL) >>  0; \
+    } while (0)
+#endif
+
+/***************************** Functions *******************************/
+
+#ifdef __cplusplus
+extern "C"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TARGET_GENERIC_MATH_INT__ */
+
+/* end of file */
+