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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 "dag_instructions_compiler_rust.hh"
#include "fir_to_fir.hh"
#include "sigtyperules.hh"
#include "timing.hh"
using std::string;
void DAGInstructionsCompilerRust::compileMultiSignal(Tree L)
{
startTiming("compileMultiSignal");
// Has to be done *after* gMachinePtrSize is set by the actual backend
gGlobal->initTypeSizeMap();
L = prepare(L); // Optimize, share and annotate expression
Typed* type = IB::genBasicTyped(Typed::kFloatMacro_ptr);
pushComputeBlockMethod(
IB::genDeclareBufferIterators("input", "inputs", fContainer->inputs(), type, false, true));
pushComputeBlockMethod(IB::genDeclareBufferIterators("output", "outputs", fContainer->outputs(),
type, true, true));
for (int index = 0; isList(L); L = tl(L), index++) {
Tree sig = hd(L);
string name = subst("output$0", T(index));
fContainer->openLoop("i");
// Possibly cast to external float
ValueInst* res = genCastedOutput(getCertifiedSigType(sig)->nature(), CS(sig));
if (gGlobal->gComputeMix) {
ValueInst* res1 =
IB::genAdd(res, IB::genLoadArrayStackVar(name, getCurrentLoopIndex()));
pushComputeDSPMethod(IB::genStoreArrayStackVar(name, getCurrentLoopIndex(), res1));
} else {
pushComputeDSPMethod(IB::genStoreArrayStackVar(name, getCurrentLoopIndex(), res));
}
fContainer->closeLoop(sig);
}
generateUserInterfaceTree(fUITree.prepareUserInterfaceTree(), true);
generateMacroInterfaceTree("", fUITree.prepareUserInterfaceTree());
if (fDescription) {
fDescription->ui(fUITree.prepareUserInterfaceTree());
}
// Apply FIR to FIR transformations
fContainer->processFIR();
endTiming("compileMultiSignal");
}
StatementInst* DAGInstructionsCompilerRust::generateInitArray(const string& vname,
BasicTyped* ctype, int delay)
{
ValueInst* init = IB::genTypedZero(ctype);
BasicTyped* typed = ctype;
// Generates table declaration
pushDeclare(IB::genDecStructVar(vname, IB::genArrayTyped(typed, delay)));
Values args;
args.push_back(IB::genLoadStructVar(vname));
args.push_back(init);
return IB::genVoidFunCallInst("fill", args, true);
}
StatementInst* DAGInstructionsCompilerRust::generateShiftArray(const string& vname, int delay)
{
string index = gGlobal->getFreshID("j");
ValueInst* upperBound = IB::genInt32NumInst(delay);
ValueInst* lowerBound = IB::genInt32NumInst(1);
SimpleForLoopInst* loop = IB::genSimpleForLoopInst(index, upperBound, lowerBound, true);
LoadVarInst* loadVarInst = IB::genLoadVarInst(IB::genNamedAddress(index, Address::kLoop));
ValueInst* load_value2 = IB::genSub(loadVarInst, IB::genInt32NumInst(1));
ValueInst* load_value3 = IB::genLoadArrayStructVar(vname, load_value2);
loop->pushFrontInst(IB::genStoreArrayStructVar(vname, loadVarInst, load_value3));
return loop;
}
StatementInst* DAGInstructionsCompilerRust::generateCopyArray(const string& vname_to,
const string& vname_from, int size)
{
string index = gGlobal->getFreshID("j");
ValueInst* upperBound = IB::genInt32NumInst(size);
SimpleForLoopInst* loop = IB::genSimpleForLoopInst(index, upperBound);
LoadVarInst* loadVarInst = IB::genLoadVarInst(IB::genNamedAddress(index, Address::kLoop));
ValueInst* load_value = IB::genLoadArrayStructVar(vname_from, loadVarInst);
loop->pushFrontInst(IB::genStoreArrayStackVar(vname_to, loadVarInst, load_value));
return loop;
}
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