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[/] [thor/] [trunk/] [FT64v5/] [software/] [CC64/] [source/] [Utility.cpp] - Rev 48

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// ============================================================================
//        __
//   \\__/ o\    (C) 2012-2018  Robert Finch, Waterloo
//    \  __ /    All rights reserved.
//     \/_//     robfinch<remove>@finitron.ca
//       ||
//
// CC64 - 'C' derived language compiler
//  - 64 bit CPU
//
// This source file is free software: you can redistribute it and/or modify 
// it under the terms of the GNU Lesser General Public License as published 
// by the Free Software Foundation, either version 3 of the License, or     
// (at your option) any later version.                                      
//                                                                          
// This source file 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, see <http://www.gnu.org/licenses/>.    
//                                                                          
// ============================================================================
//
#include "stdafx.h"
 
int round2(int n)
{
	while (n & 1) n++;
	return (n);
}
 
int round8(int n)
{
	while (n & 7) n++;
	return (n);
}
 
int popcnt(int64_t m)
{
	int n;
	int cnt;
 
	cnt = 0;
	for (n = 0; n < 64; n = n + 1)
		if (m & (1LL << n)) cnt = cnt + 1;
	return (cnt);
}
 
std::string TraceName(SYM *sp)
{
	std::string namebuf;
	SYM *vector[64];
	int deep = 0;
 
	do {
		vector[deep] = sp;
		sp = sp->GetParentPtr();
		deep++;
		if (deep > 63) {
			break; // should be an error
		}
	} while (sp);
	deep--;
	namebuf = "";
	while (deep > 0) {
		namebuf += *vector[deep]->name;
		namebuf += "_";
		deep--;
	}
	namebuf += *vector[deep]->name;
	return namebuf;
}
 
 

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