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Deal with call return values.

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Don't put NOPs in delay slots at all. We'll have a fix-up pass later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-04-06 22:09:23 +00:00
parent 94f0c5286b
commit ea8494bb89
4 changed files with 60 additions and 4 deletions
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16
lib/Target/Sparc/InstSelectSimple.cpp
View File

@ -229,8 +229,22 @@ bool V8ISel::runOnFunction(Function &Fn) {
void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () == 1 && "Can't handle call args yet");
unsigned DestReg = getReg (I);
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
BuildMI (BB, V8::NOP, 0); // NOP in delay slot
if (I.getType ()->getPrimitiveID () == Type::VoidTyID)
return;
// Deal w/ return value
switch (getClass (I.getType ())) {
case cByte:
case cShort:
case cInt:
// Schlep it over into the destination register
BuildMI (BB, V8::ORrr, 2, DestReg).addReg(V8::G0).addReg(V8::O0);
break;
default:
visitInstruction (I);
return;
}
}
void V8ISel::visitReturnInst(ReturnInst &I) {

16
lib/Target/Sparc/SparcV8ISelSimple.cpp
View File

@ -229,8 +229,22 @@ bool V8ISel::runOnFunction(Function &Fn) {
void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () == 1 && "Can't handle call args yet");
unsigned DestReg = getReg (I);
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
BuildMI (BB, V8::NOP, 0); // NOP in delay slot
if (I.getType ()->getPrimitiveID () == Type::VoidTyID)
return;
// Deal w/ return value
switch (getClass (I.getType ())) {
case cByte:
case cShort:
case cInt:
// Schlep it over into the destination register
BuildMI (BB, V8::ORrr, 2, DestReg).addReg(V8::G0).addReg(V8::O0);
break;
default:
visitInstruction (I);
return;
}
}
void V8ISel::visitReturnInst(ReturnInst &I) {

16
lib/Target/SparcV8/InstSelectSimple.cpp
View File

@ -229,8 +229,22 @@ bool V8ISel::runOnFunction(Function &Fn) {
void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () == 1 && "Can't handle call args yet");
unsigned DestReg = getReg (I);
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
BuildMI (BB, V8::NOP, 0); // NOP in delay slot
if (I.getType ()->getPrimitiveID () == Type::VoidTyID)
return;
// Deal w/ return value
switch (getClass (I.getType ())) {
case cByte:
case cShort:
case cInt:
// Schlep it over into the destination register
BuildMI (BB, V8::ORrr, 2, DestReg).addReg(V8::G0).addReg(V8::O0);
break;
default:
visitInstruction (I);
return;
}
}
void V8ISel::visitReturnInst(ReturnInst &I) {

16
lib/Target/SparcV8/SparcV8ISelSimple.cpp
View File

@ -229,8 +229,22 @@ bool V8ISel::runOnFunction(Function &Fn) {
void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () == 1 && "Can't handle call args yet");
unsigned DestReg = getReg (I);
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
BuildMI (BB, V8::NOP, 0); // NOP in delay slot
if (I.getType ()->getPrimitiveID () == Type::VoidTyID)
return;
// Deal w/ return value
switch (getClass (I.getType ())) {
case cByte:
case cShort:
case cInt:
// Schlep it over into the destination register
BuildMI (BB, V8::ORrr, 2, DestReg).addReg(V8::G0).addReg(V8::O0);
break;
default:
visitInstruction (I);
return;
}
}
void V8ISel::visitReturnInst(ReturnInst &I) {