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wire up some basic printOperand goodness, giving us stuff like this before

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we abort:

_main:
	stm , 
	mov r7, sp
	sub sp, sp, 
	mov r0, 
	str r0, 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84532 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-10-19 20:59:55 +00:00
parent 9cf0eb5e58
commit 8bc86cba60
3 changed files with 34 additions and 20 deletions
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36
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
View File

@ -310,25 +310,25 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
const MachineOperand &MO = MI->getOperand(OpNum);
switch (MO.getType()) {
default:
assert(0 && "<unknown operand type>");
case MachineOperand::MO_Register: {
unsigned Reg = MO.getReg();
if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
if (Modifier && strcmp(Modifier, "dregpair") == 0) {
unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
O << '{'
<< getRegisterName(DRegLo) << ',' << getRegisterName(DRegHi)
<< '}';
} else if (Modifier && strcmp(Modifier, "lane") == 0) {
unsigned RegNum = ARMRegisterInfo::getRegisterNumbering(Reg);
unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 2 : 1,
&ARM::DPR_VFP2RegClass);
O << getRegisterName(DReg) << '[' << (RegNum & 1) << ']';
} else {
O << getRegisterName(Reg);
}
} else
llvm_unreachable("not implemented");
assert(TargetRegisterInfo::isPhysicalRegister(Reg));
if (Modifier && strcmp(Modifier, "dregpair") == 0) {
unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
O << '{'
<< getRegisterName(DRegLo) << ',' << getRegisterName(DRegHi)
<< '}';
} else if (Modifier && strcmp(Modifier, "lane") == 0) {
unsigned RegNum = ARMRegisterInfo::getRegisterNumbering(Reg);
unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 2 : 1,
&ARM::DPR_VFP2RegClass);
O << getRegisterName(DReg) << '[' << (RegNum & 1) << ']';
} else {
O << getRegisterName(Reg);
}
break;
}
case MachineOperand::MO_Immediate: {
@ -376,8 +376,6 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
default:
O << "<unknown operand type>"; abort (); break;
}
}

16
lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
View File

@ -31,3 +31,19 @@ using namespace llvm;
void ARMInstPrinter::printInst(const MCInst *MI) { printInstruction(MI); }
void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
const char *Modifier) {
assert((Modifier == 0 || Modifier[0] == 0) && "Cannot print modifiers");
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) {
O << getRegisterName(Op.getReg());
} else if (Op.isImm()) {
O << '#' << Op.getImm();
} else {
assert(Op.isExpr() && "unknown operand kind in printOperand");
assert(0 && "UNIMP");
//O << '$';
//Op.getExpr()->print(O, &MAI);
}
}

2
lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
View File

@ -31,7 +31,7 @@ public:
void printOperand(const MCInst *MI, unsigned OpNo,
const char *Modifier = 0) {}
const char *Modifier = 0);
void printSOImmOperand(const MCInst *MI, unsigned OpNum) {}
void printSOImm2PartOperand(const MCInst *MI, unsigned OpNum) {}