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Stop using the `Offset' variable, as we are cycling through the bits of a field

Browse Source 
initializer and the loop index variable already carries the offset information
that we need.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7123 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2003-07-07 22:30:44 +00:00
parent 29abc97100
commit 48aa824279
2 changed files with 14 additions and 16 deletions
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15
support/tools/TableGen/CodeEmitterGen.cpp
View File

@ -74,8 +74,7 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
}
}
unsigned Offset = 31;
for (int f = Vals.size()-1; f >= 0; --f) {
for (unsigned f = 0, e = Vals.size(); f != e; ++f) {
if (Vals[f].getPrefix()) {
BitsInit *FieldInitializer = (BitsInit*)Vals[f].getValue();
@ -83,18 +82,17 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
// variable...
for (int i = FieldInitializer->getNumBits()-1; i >= 0; --i) {
if (BitInit *BI=dynamic_cast<BitInit*>(FieldInitializer->getBit(i))){
--Offset;
o << " // bit init: f: " << f << ", i: " << i << "\n";
} else if (UnsetInit *UI =
dynamic_cast<UnsetInit*>(FieldInitializer->getBit(i))) {
--Offset;
o << " // unset init: f: " << f << ", i: " << i << "\n";
} else if (VarBitInit *VBI =
dynamic_cast<VarBitInit*>(FieldInitializer->getBit(i))) {
TypedInit *TI = VBI->getVariable();
if (VarInit *VI = dynamic_cast<VarInit*>(TI)) {
o << " Value |= getValueBit(op" << OpOrder[VI->getName()]
<< ", " << VBI->getBitNum()
<< ")" << " << " << Offset << ";\n";
--Offset;
<< ")" << " << " << i << ";\n";
} else if (FieldInit *FI = dynamic_cast<FieldInit*>(TI)) {
// FIXME: implement this!
o << "FIELD INIT not implemented yet!\n";
@ -105,8 +103,9 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
}
} else {
// ignore annul and predict bits since no one sets them yet
if (Vals[f].getName() == "annul" || Vals[f].getName() == "predict")
--Offset;
if (Vals[f].getName() == "annul" || Vals[f].getName() == "predict") {
o << " // found " << Vals[f].getName() << "\n";
}
}
}

15
utils/TableGen/CodeEmitterGen.cpp
View File

@ -74,8 +74,7 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
}
}
unsigned Offset = 31;
for (int f = Vals.size()-1; f >= 0; --f) {
for (unsigned f = 0, e = Vals.size(); f != e; ++f) {
if (Vals[f].getPrefix()) {
BitsInit *FieldInitializer = (BitsInit*)Vals[f].getValue();
@ -83,18 +82,17 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
// variable...
for (int i = FieldInitializer->getNumBits()-1; i >= 0; --i) {
if (BitInit *BI=dynamic_cast<BitInit*>(FieldInitializer->getBit(i))){
--Offset;
o << " // bit init: f: " << f << ", i: " << i << "\n";
} else if (UnsetInit *UI =
dynamic_cast<UnsetInit*>(FieldInitializer->getBit(i))) {
--Offset;
o << " // unset init: f: " << f << ", i: " << i << "\n";
} else if (VarBitInit *VBI =
dynamic_cast<VarBitInit*>(FieldInitializer->getBit(i))) {
TypedInit *TI = VBI->getVariable();
if (VarInit *VI = dynamic_cast<VarInit*>(TI)) {
o << " Value |= getValueBit(op" << OpOrder[VI->getName()]
<< ", " << VBI->getBitNum()
<< ")" << " << " << Offset << ";\n";
--Offset;
<< ")" << " << " << i << ";\n";
} else if (FieldInit *FI = dynamic_cast<FieldInit*>(TI)) {
// FIXME: implement this!
o << "FIELD INIT not implemented yet!\n";
@ -105,8 +103,9 @@ void CodeEmitterGen::createEmitter(std::ostream &o) {
}
} else {
// ignore annul and predict bits since no one sets them yet
if (Vals[f].getName() == "annul" || Vals[f].getName() == "predict")
--Offset;
if (Vals[f].getName() == "annul" || Vals[f].getName() == "predict") {
o << " // found " << Vals[f].getName() << "\n";
}
}
}