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105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
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* @(#) $(JCGO)/include/jcgoarth.c --
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* a part of the JCGO runtime subsystem.
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**
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* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
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* Copyright (C) 2001-2012 Ivan Maidanski <ivmai@ivmaisoft.com>
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* All rights reserved.
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*/
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/**
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* This file is compiled together with the files produced by the JCGO
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* translator (do not include and/or compile this file directly).
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*/
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/*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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**
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* This software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License (GPL) for more details.
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**
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole
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* combination.
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**
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* As a special exception, the copyright holders of this library give you
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* permission to link this library with independent modules to produce an
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* executable, regardless of the license terms of these independent
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* modules, and to copy and distribute the resulting executable under
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* terms of your choice, provided that you also meet, for each linked
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* independent module, the terms and conditions of the license of that
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* module. An independent module is a module which is not derived from
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* or based on this library. If you modify this library, you may extend
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* this exception to your version of the library, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#ifdef JCGO_VER
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JCGO_NOSEP_INLINE jint JCGO_INLFRW_FASTCALL jcgo_div( jint v1, jint v2 )
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{
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if (JCGO_EXPECT_FALSE(!v2))
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jcgo_throwArithmeticExc();
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if (JCGO_EXPECT_TRUE(v2 != -1))
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return v1 / v2;
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return -v1;
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}
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JCGO_NOSEP_INLINE jint JCGO_INLFRW_FASTCALL jcgo_mod( jint v1, jint v2 )
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{
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if (JCGO_EXPECT_FALSE(!v2))
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jcgo_throwArithmeticExc();
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if (JCGO_EXPECT_TRUE(v2 != -1))
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return v1 % v2;
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return 0;
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}
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JCGO_NOSEP_INLINE jlong JCGO_INLFRW_FASTCALL jcgo_ldiv( jlong v1, jlong v2 )
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{
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if (JCGO_EXPECT_FALSE(v2 == (jlong)0L))
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jcgo_throwArithmeticExc();
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if (JCGO_EXPECT_TRUE(v2 != (jlong)-1L))
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return v1 / v2;
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return -v1;
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}
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JCGO_NOSEP_INLINE jlong JCGO_INLFRW_FASTCALL jcgo_lmod( jlong v1, jlong v2 )
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{
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if (JCGO_EXPECT_FALSE(v2 == (jlong)0L))
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jcgo_throwArithmeticExc();
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if (JCGO_EXPECT_TRUE(v2 != (jlong)-1L))
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return v1 % v2;
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return (jlong)0L;
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}
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#ifdef JCGO_USELONG
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JCGO_NOSEP_INLINE jlong JCGO_INLFRW_FASTCALL jcgo_lshl( jlong v, int cnt )
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{
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return JCGO_EXPECT_TRUE((unsigned)(cnt & 0x3f) < sizeof(jlong) * 8) ?
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v << (cnt & 0x3f) : (jlong)0L;
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}
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JCGO_NOSEP_INLINE jlong JCGO_INLFRW_FASTCALL jcgo_lshr( jlong v, int cnt )
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{
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return JCGO_EXPECT_TRUE((unsigned)(cnt & 0x3f) < sizeof(jlong) * 8) ?
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v >> (cnt & 0x3f) : v < (jlong)0L ? (jlong)-1L : (jlong)0L;
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}
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JCGO_NOSEP_INLINE jlong JCGO_INLFRW_FASTCALL jcgo_lushr( jlong v, int cnt )
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{
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return JCGO_EXPECT_TRUE((unsigned)(cnt & 0x3f) < sizeof(jlong) * 8) ?
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(jlong)(((u_jlong)v) >> (unsigned)(cnt & 0x3f)) : (jlong)0L;
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}
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#endif /* JCGO_USELONG */
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#endif
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