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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2017-2021 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This program 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 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
#include "instructions_compiler1.hh"
StatementInst* InstructionsCompiler1::generateInitArray(const string& vname, Typed::VarType ctype, int delay)
{
ValueInst* init = InstBuilder::genTypedZero(ctype);
BasicTyped* typed = InstBuilder::genBasicTyped(ctype);
string index = gGlobal->getFreshID("l");
// Generates table declaration
pushDeclare(InstBuilder::genDecStructVar(vname, InstBuilder::genArrayTyped(typed, delay)));
ValueInst* upperBound = InstBuilder::genInt32NumInst(delay);
// Generates init table loop
SimpleForLoopInst* loop = InstBuilder::genSimpleForLoopInst(index, upperBound);
LoadVarInst* loadVarInst = InstBuilder::genLoadVarInst(InstBuilder::genNamedAddress(index, Address::kLoop));
loop->pushFrontInst(InstBuilder::genStoreArrayStructVar(vname, loadVarInst, init));
return loop;
}
StatementInst* InstructionsCompiler1::generateShiftArray(const string& vname, int delay)
{
string index = gGlobal->getFreshID("j");
ValueInst* upperBound = InstBuilder::genInt32NumInst(delay);
ValueInst* lowerBound = InstBuilder::genInt32NumInst(1);
SimpleForLoopInst* loop = InstBuilder::genSimpleForLoopInst(index, upperBound, lowerBound, true);
LoadVarInst* loadVarInst = InstBuilder::genLoadVarInst(InstBuilder::genNamedAddress(index, Address::kLoop));
ValueInst* load_value2 = InstBuilder::genSub(loadVarInst, InstBuilder::genInt32NumInst(1));
ValueInst* load_value3 = InstBuilder::genLoadArrayStructVar(vname, load_value2);
loop->pushFrontInst(InstBuilder::genStoreArrayStructVar(vname, loadVarInst, load_value3));
return loop;
}
StatementInst* InstructionsCompiler1::generateCopyArray(const string& vname_to, const string& vname_from, int size)
{
string index = gGlobal->getFreshID("j");
ValueInst* upperBound = InstBuilder::genInt32NumInst(size);
SimpleForLoopInst* loop = InstBuilder::genSimpleForLoopInst(index, upperBound);
LoadVarInst* loadVarInst = InstBuilder::genLoadVarInst(InstBuilder::genNamedAddress(index, Address::kLoop));
ValueInst* load_value = InstBuilder::genLoadArrayStructVar(vname_from, loadVarInst);
loop->pushFrontInst(InstBuilder::genStoreArrayStackVar(vname_to, loadVarInst, load_value));
return loop;
}
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