6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-10 16:18:13 +00:00
Code Issues Projects Releases Wiki Activity

Support multiple ValueTypes per RegisterClass, needed for upcoming vector

Browse Source 
work.  This change has no effect on generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24563 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman
2005-12-01 04:51:06 +00:00
parent 5dfc55c304
commit 6510b22cec
16 changed files with 119 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
utils/TableGen/DAGISelEmitter.cpp
View File

@@ -455,7 +455,9 @@ static unsigned char getIntrinsicType(Record *R, bool NotRegisters,
// Check to see if this is a register or a register class...
if (R->isSubClassOf("RegisterClass")) {
if (NotRegisters) return MVT::isUnknown;
return getValueType(R->getValueAsDef("RegType"));
const CodeGenRegisterClass &RC =
TP.getDAGISelEmitter().getTargetInfo().getRegisterClass(R);
return RC.getValueTypeNum(0);
} else if (R->isSubClassOf("PatFrag")) {
// Pattern fragment types will be resolved when they are inlined.
return MVT::isUnknown;
@@ -537,8 +539,9 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
const CodeGenRegisterClass &RC =
TP.getDAGISelEmitter().getTargetInfo().getRegisterClass(ResultNode);
bool MadeChange = UpdateNodeType(RC.VT, TP);
// Get the first ValueType in the RegClass, it's as good as any.
bool MadeChange = UpdateNodeType(RC.getValueTypeNum(0), TP);
if (getNumChildren() != Inst.getNumOperands())
TP.error("Instruction '" + getOperator()->getName() + " expects " +
@@ -550,7 +553,7 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
if (OperandNode->isSubClassOf("RegisterClass")) {
const CodeGenRegisterClass &RC =
TP.getDAGISelEmitter().getTargetInfo().getRegisterClass(OperandNode);
VT = RC.VT;
VT = RC.getValueTypeNum(0);
} else if (OperandNode->isSubClassOf("Operand")) {
VT = getValueType(OperandNode->getValueAsDef("Type"));
} else {
@@ -1672,7 +1675,8 @@ void DAGISelEmitter::EmitMatchForPattern(TreePatternNode *N,
<< ".Val)) goto P" << PatternNo << "Fail;\n";
}
/// getRegisterValueType - Look up and return ValueType of specified record
/// getRegisterValueType - Look up and return the first ValueType of specified
/// RegisterClass record
static MVT::ValueType getRegisterValueType(Record *R, const CodeGenTarget &T) {
const std::vector<CodeGenRegisterClass> &RegisterClasses =
T.getRegisterClasses();
@@ -1681,7 +1685,7 @@ static MVT::ValueType getRegisterValueType(Record *R, const CodeGenTarget &T) {
const CodeGenRegisterClass &RC = RegisterClasses[i];
for (unsigned ei = 0, ee = RC.Elements.size(); ei != ee; ++ei) {
if (R == RC.Elements[ei]) {
return RC.VT;
return RC.getValueTypeNum(0);
}
}
}