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Adding working version of assembly parser for the MBlaze backend

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Major cleanup of whitespace and formatting issues in MBlaze backend


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Wesley Peck
2010-11-08 19:40:01 +00:00
parent 554375b707
commit 0a67d92938
26 changed files with 520 additions and 832 deletions
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36
lib/Target/MBlaze/MBlazeMachineFunction.h
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@@ -26,11 +26,11 @@ namespace llvm {
class MBlazeFunctionInfo : public MachineFunctionInfo {
private:
/// Holds for each function where on the stack the Frame Pointer must be
/// Holds for each function where on the stack the Frame Pointer must be
/// saved. This is used on Prologue and Epilogue to emit FP save/restore
int FPStackOffset;
/// Holds for each function where on the stack the Return Address must be
/// Holds for each function where on the stack the Return Address must be
/// saved. This is used on Prologue and Epilogue to emit RA save/restore
int RAStackOffset;
@@ -50,22 +50,22 @@ private:
: FI(FrameIndex), SPOffset(StackPointerOffset) {}
};
/// When PIC is used the GP must be saved on the stack on the function
/// prologue and must be reloaded from this stack location after every
/// call. A reference to its stack location and frame index must be kept
/// When PIC is used the GP must be saved on the stack on the function
/// prologue and must be reloaded from this stack location after every
/// call. A reference to its stack location and frame index must be kept
/// to be used on emitPrologue and processFunctionBeforeFrameFinalized.
MBlazeFIHolder GPHolder;
/// On LowerFormalArguments the stack size is unknown, so the Stack
/// Pointer Offset calculation of "not in register arguments" must be
/// postponed to emitPrologue.
/// Pointer Offset calculation of "not in register arguments" must be
/// postponed to emitPrologue.
SmallVector<MBlazeFIHolder, 16> FnLoadArgs;
bool HasLoadArgs;
// When VarArgs, we must write registers back to caller stack, preserving
// on register arguments. Since the stack size is unknown on
// When VarArgs, we must write registers back to caller stack, preserving
// on register arguments. Since the stack size is unknown on
// LowerFormalArguments, the Stack Pointer Offset calculation must be
// postponed to emitPrologue.
// postponed to emitPrologue.
SmallVector<MBlazeFIHolder, 4> FnStoreVarArgs;
bool HasStoreVarArgs;
@@ -83,8 +83,8 @@ private:
int VarArgsFrameIndex;
public:
MBlazeFunctionInfo(MachineFunction& MF)
: FPStackOffset(0), RAStackOffset(0), CPUTopSavedRegOff(0),
MBlazeFunctionInfo(MachineFunction& MF)
: FPStackOffset(0), RAStackOffset(0), CPUTopSavedRegOff(0),
GPHolder(-1,-1), HasLoadArgs(false), HasStoreVarArgs(false),
SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0)
{}
@@ -105,7 +105,7 @@ public:
bool needGPSaveRestore() const { return GPHolder.SPOffset != -1; }
bool hasLoadArgs() const { return HasLoadArgs; }
bool hasStoreVarArgs() const { return HasStoreVarArgs; }
bool hasStoreVarArgs() const { return HasStoreVarArgs; }
void recordLoadArgsFI(int FI, int SPOffset) {
if (!HasLoadArgs) HasLoadArgs=true;
@@ -118,13 +118,13 @@ public:
void adjustLoadArgsFI(MachineFrameInfo *MFI) const {
if (!hasLoadArgs()) return;
for (unsigned i = 0, e = FnLoadArgs.size(); i != e; ++i)
MFI->setObjectOffset( FnLoadArgs[i].FI, FnLoadArgs[i].SPOffset );
for (unsigned i = 0, e = FnLoadArgs.size(); i != e; ++i)
MFI->setObjectOffset(FnLoadArgs[i].FI, FnLoadArgs[i].SPOffset);
}
void adjustStoreVarArgsFI(MachineFrameInfo *MFI) const {
if (!hasStoreVarArgs()) return;
for (unsigned i = 0, e = FnStoreVarArgs.size(); i != e; ++i)
MFI->setObjectOffset( FnStoreVarArgs[i].FI, FnStoreVarArgs[i].SPOffset );
if (!hasStoreVarArgs()) return;
for (unsigned i = 0, e = FnStoreVarArgs.size(); i != e; ++i)
MFI->setObjectOffset(FnStoreVarArgs[i].FI, FnStoreVarArgs[i].SPOffset);
}
unsigned getSRetReturnReg() const { return SRetReturnReg; }