Open64 (mfef90, whirl2f, and IR tools)
TAG: version-openad; SVN changeset: 916
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00001 /* 00002 00003 Copyright (C) 2000, 2001 Silicon Graphics, Inc. All Rights Reserved. 00004 00005 This program is free software; you can redistribute it and/or modify it 00006 under the terms of version 2.1 of the GNU Lesser General Public License 00007 as published by the Free Software Foundation. 00008 00009 This program is distributed in the hope that it would be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 00013 Further, this software is distributed without any warranty that it is 00014 free of the rightful claim of any third person regarding infringement 00015 or the like. Any license provided herein, whether implied or 00016 otherwise, applies only to this software file. Patent licenses, if 00017 any, provided herein do not apply to combinations of this program with 00018 other software, or any other product whatsoever. 00019 00020 You should have received a copy of the GNU Lesser General Public 00021 License along with this program; if not, write the Free Software 00022 Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, 00023 USA. 00024 00025 Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky, 00026 Mountain View, CA 94043, or: 00027 00028 http://www.sgi.com 00029 00030 For further information regarding this notice, see: 00031 00032 http://oss.sgi.com/projects/GenInfo/NoticeExplan 00033 00034 */ 00035 00036 00037 /* $Header: /m_home/m_utkej/Argonne/cvs2svn/cvs/Open64/osprey1.0/libF77/mvbits.c,v 1.1.1.1 2002-05-22 20:09:12 dsystem Exp $ */ 00038 00039 /* All Rights Reserved */ 00040 00041 /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */ 00042 /* actual or intended publication of such source code. */ 00043 00044 #include "cmplrs/host.h" 00045 #include "bit.h" 00046 00047 /* Move len bits from position i through i+len-1 of argument m to 00048 * position j through j+len-1 of argument n. 00049 * The right most bit is bit 0. 00050 */ 00051 00052 void 00053 mvbits_long_long(int64 *m,int64 *i,int64 *len,int64 *n,int64 *j) 00054 { 00055 uint64 b; 00056 00057 if ( (*i + *len > NBLL) || (*j + *len > NBLL) || 00058 (*len <= 0ll) || (*i < 0ll) || (*j < 0ll) ) return; 00059 00060 b = (*m >> *i) & F77llmask[*len]; /* extract bits from src */ 00061 *n &= ~(F77llmask[*j + *len] ^ F77llmask[*j]); /* clear dest field */ 00062 *n |= (b << *j); /* position bits and insert */ 00063 } 00064 void 00065 mvbits_long(int32 *m,int32 *i,int32 *len,int32 *n,int32 *j) 00066 { 00067 uint32 b; 00068 00069 if ( (*i + *len > NBI) || (*j + *len > NBI) || 00070 (*len <= 0) || (*i < 0) || (*j < 0) ) return; 00071 00072 b = (*m >> *i) & F77mask[*len]; /* extract bits from src */ 00073 *n &= ~(F77mask[*j + *len] ^ F77mask[*j]); /* clear dest field */ 00074 *n |= (b << *j); /* position bits and insert */ 00075 } 00076 void 00077 mvbits_short(int16 *m,int16 *i,int16 *len,int16 *n,int16 *j) 00078 { 00079 uint16 b; 00080 00081 /* The following test is correct (NBI versus NBSI) for VAX compatibility PV130932 */ 00082 if ( (*i + *len > NBI) || (*j + *len > NBI) || 00083 (*len <= 0) || (*i < 0) || (*j < 0) ) return; 00084 00085 b = (*m >> *i) & F77mask[*len]; /* extract bits from src */ 00086 *n &= ~(F77mask[*j + *len] ^ F77mask[*j]); /* clear dest field */ 00087 *n |= (b << *j); /* position bits and insert */ 00088 } 00089 void 00090 mvbits_byte(int8 *m,int8 *i,int8 *len,int8 *n,int8 *j) 00091 { 00092 uint8 b; 00093 00094 /* The following test is correct (NBI versus NBB) for VAX compatibility PV130932 */ 00095 if ( (*i + *len > NBI) || (*j + *len > NBI) || 00096 (*len <= 0) || (*i < 0) || (*j < 0) ) return; 00097 00098 b = (*m >> *i) & F77mask[*len]; /* extract bits from src */ 00099 *n &= ~(F77mask[*j + *len] ^ F77mask[*j]); /* clear dest field */ 00100 *n |= (b << *j); /* position bits and insert */ 00101 }